--- /dev/null
+#!/usr/bin/perl
+
+for ($x = 608; $x > 0; $x--)
+{
+ system "fetch http://www.chesscenter.com/twic/zips/twic" . $x . "g.zip";
+}
--- /dev/null
+run
+bt
+frame 1
+quit
+run
+bt
+frame 1
+print mvRef
+quit
+run
+quit
+run
+frame 1
+print x
+print ctx->sMoveStack.uEnd[ctx->uPly]
+print mv
+print uLegalMoves
+print ctx->sMoveStack.mvf[x].bvFlags
+print ctx->sMoveStack.mvf[x]
+print mvHash
+print ctx->uPly
+bt
+frame 1
+print x
+print ctx->sMoveStack.uEnd[7]
+print ctx->sMoveStack.uBegin[7]
+bt
+frame 3
+print ctx->uPly
+frame 2
+frame 1
+quit
+run
+quit
+run
+quit
--- /dev/null
+# Makefile (for typhoon/GNU-style make). Recognized gmake variables:
+#
+# DEBUG=1: make debug version (includes asserts and sanity checks)
+# TEST=1: include self-test code in the binary produced
+# ASM=1: create assembly code, does not link final binary
+# EVAL_DUMP=1: make a version that can dump eval breakdowns
+# EVAL_HASH=1: hash eval scores
+# EVAL_TIME=1: make a version that counts cycles spent in eval
+# PERF_COUNTERS=1: make version with perf counters enabled
+# BOUNDS_CHECKING=1: make version with bounds checking enabled
+# MP=1: make version for multi-processor machine
+# DUMP_TREE=1: internal tree dumping version
+# SEE_HEAPS=1: use minheaps in the SEE code
+# OSX=1: build for an Intel-based Apple Mac (omit this for FreeBSD/Linux)
+# USE_READLINE=1: link against the GNU readline library
+# SIXTYFOUR=1: make an X64 binary
+# CROUTINES=1: use the C versions of the asm routines [slower]
+# EVERYTHING=1: everything everything everything everything
+#
+# $Id$
+#
+CC = gcc
+CXX = g++
+NASM = yasm
+ifdef OSX
+ LIBRARIES = -pthread -lc
+ ifdef SIXTYFOUR
+ $(warning you will need to use yasm for now to get x64 on OSX)
+ NASMFLAGS = -f macho64 -dOSX -d_X64_
+ else
+ NASMFLAGS = -f macho -dOSX
+ endif
+else
+ LIBRARIES = -pthread -lc -lstdc++
+ ifdef SIXTYFOUR
+ NASMFLAGS = -f elf64 -d__GNUC__
+ else
+ NASMFLAGS = -f elf -d__GNUC__
+ endif
+endif
+RM = /bin/rm
+
+#
+# Setup commandline based on make defines
+#
+ifdef ASM
+ ifdef SIXTYFOUR
+ PROFILE = -S -fverbose-asm -std=gnu99 -D_X64_
+ else
+ PROFILE = -S -fverbose-asm -std=gnu99 -D_X86_
+ endif
+else
+ ifdef SIXTYFOUR
+ PROFILE = -std=gnu99 -D_X64_
+ else
+ PROFILE = -std=gnu99 -D_X86_
+ endif
+endif
+
+ifdef OSX
+ PROFILE += -DOSX
+endif
+
+ifdef GENETIC
+ PROFILE += -DGENETIC
+endif
+
+ifdef DEBUG
+ PROFILE += -g -O2 -DDEBUG
+ BINARY = _typhoon
+else
+ PROFILE += -g -O3 -fexpensive-optimizations -ffast-math -finline-functions
+ BINARY = typhoon
+endif
+
+ifdef USE_READLINE
+ LIBRARIES += -lreadline
+ PROFILE += -DUSE_READLINE
+endif
+
+ifdef SIXTYFOUR
+ PROFILE += -m64
+ NASMFLAGS += -d_X64_
+else
+ PROFILE += -m32
+ NASMFLAGS += -d_X86_
+endif
+
+ifdef CROUTINES
+ PROFILE += -DCROUTINES
+endif
+
+ifdef EVERYTHING
+PROFILE += -DEVAL_DUMP -DEVAL_HASH -DEVAL_TIME -DPERF_COUNTERS -DMP -DSMP -DTEST_NULL -DDUMP_TREE -fbounds-checking
+else
+ifdef EVAL_DUMP
+PROFILE += -DEVAL_DUMP
+endif
+ifdef EVAL_HASH
+PROFILE += -DEVAL_HASH
+endif
+ifdef EVAL_TIME
+PROFILE += -DEVAL_TIME
+endif
+ifdef PERF_COUNTERS
+PROFILE += -DPERF_COUNTERS
+endif
+ifdef BOUNDS_CHECKING
+PROFILE += -fbounds-checking
+endif
+ifdef MP
+PROFILE += -DMP -DSMP
+endif
+ifdef TEST_NULL
+PROFILE += -DTEST_NULL
+endif
+ifdef DUMP_TREE
+PROFILE += -DDUMP_TREE
+endif
+endif # EVERYTHING
+
+CFLAGS = -DPROFILE="\"$(PROFILE)\"" $(PROFILE) -Wall
+HEADERS = chess.h compiler.h
+
+#
+# ---> .o, not .c! <---
+#
+OBJS = main.o root.o search.o searchsup.o draw.o dynamic.o \
+ hash.o eval.o evalhash.o x86.o pawnhash.o bitboard.o \
+ generate.o see.o move.o movesup.o command.o script.o \
+ input.o vars.o util.o unix.o gamelist.o mersenne.o \
+ sig.o piece.o ics.o san.o fen.o book.o bench.o board.o \
+ data.o probe.o egtb.o recogn.o poshash.o list.o x64.o
+
+ifdef TEST
+# ---> .o, not .c! <---
+#
+OBJS += testdraw.o testmove.o testfen.o testgenerate.o \
+ testsan.o testics.o testeval.o testbitboard.o \
+ testhash.o testsee.o testsearch.o testsup.o
+PROFILE += -DTEST
+else
+ifdef EVAL_DUMP
+OBJS += testeval.o testsup.o
+endif
+endif
+ifdef DUMP_TREE
+OBJS += dumptree.o
+endif
+ifdef MP
+OBJS += split.o
+endif
+
+.SUFFIXES: .c .o
+.SUFFIXES: .cpp .o
+.SUFFIXES: .asm .o
+
+.PHONY: all
+all: $(BINARY)
+
+$(BINARY): $(OBJS)
+ $(CXX) $(PROFILE) -o $(BINARY) -Wall $(LIBRARIES) \
+ $(OBJS)
+
+%.o: %.c $(HEADERS)
+ $(CC) $(CFLAGS) -c $< -o $@
+
+%.o: %.cpp $(HEADERS)
+ $(CXX) $(CFLAGS) -c -w $< -o $@
+
+%.o: %.asm $(HEADERS)
+ $(NASM) $(NASMFLAGS) -o $@ $<
+
+.PHONY: clean
+clean:
+ $(RM) -f *.o *.core *~ *.gmon \#*\# typhoon _typhoon
--- /dev/null
+
+ Most of the code in this directory is code that I wrote and has
+ the comment "Copyright (C) Scott Gasch" at the start of the file.
+ You can do whatever you want with this code except:
+
+ 1. Redistribute it; I'd like to be the "official" source for
+ code related to this engine.
+ 2. Sell it; as the copyright holder I expressly forbid you
+ from selling the code or any binary it produces.
+ 3. Claim it is your own; any work based on or inspired by the
+ code in question must also contain the copyright notice and
+ my name.
+
+ Some of the code under this directory (specifically, the genetic
+ programming framework implemented in Java) was written by me but
+ is released under the Apache 2.0 license (which is more liberal
+ than the restrictions above).
+
+ Some of the code in this directory was written by other people.
+ For example, mersenne.c, egtb.cpp and tbdecode.h. I am using this
+ code by permission and do not own the copyright for it. Please
+ contact the code's original author (see comments) for details
+ about what can and cannot be done with it.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS
+ OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- /dev/null
+Better understanding of stuff like KRKRB == drawish, Q's come off = !drawish
+Think about the path to a killer instead of the depth of a killer
+Pawnhash size tunable from cmdline again
+Evalhash size tunable?
+EGTB cache size tunable?
+Poshash size tunable?
+Think about when to avoid nullmove pruning based on checks in the line
+Think about futility pruning when a >= +NMATE
+Stick eval / king score in ply info and use it to trigger extensions
+
--- /dev/null
+#include "child_process.h"
+
+#include <vector>
+#include <cstdio>
+#include <cstdlib>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+namespace util {
+
+void ChildProcess::ParseCommandline(vector<char *> *args) {
+ char *p = commandline_;
+ bool in_quote;
+ do {
+ // Find the start of a chunk.
+ while(*p && isspace(*p)) p++;
+ if (!*p) break;
+ args->push_back(p);
+ in_quote = false;
+
+ // Find the end of the chunk.
+ while (*p) {
+ if (*p == '"') {
+ in_quote = !in_quote;
+ } else if (isspace(*p) && !in_quote) {
+ break;
+ }
+ p++;
+ }
+ if (!*p) break;
+ *p = '\0';
+ p++;
+ } while(1);
+ args->push_back(NULL);
+}
+
+static volatile bool _child_ready = false;
+static void SignalHandler(int signo) {
+ printf("SIGNAL!\n");
+ _child_ready = true;
+}
+
+void ChildProcess::Start() {
+ Stop();
+ vector<char *> args;
+ ParseCommandline(&args);
+
+ if (args.size() > 1) {
+ if (pipe(read_pipe_) != 0) {
+ perror("pipe");
+ exit(-1);
+ }
+ if (pipe(write_pipe_) != 0) {
+ perror("pipe");
+ exit(-1);
+ }
+
+ // Prepare a signal handler to tell us when the child process is
+ // ready.
+ _child_ready = false;
+ if (signal(SIGUSR1, SignalHandler) == SIG_ERR) {
+ perror("signal");
+ exit(-1);
+ }
+ sigset_t zeromask, mask, orig;
+ sigemptyset(&zeromask);
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGUSR1);
+ if (sigprocmask(SIG_BLOCK, &mask, &orig) < 0) {
+ perror("sigprocmask");
+ exit(-1);
+ }
+
+ // Fork.
+ pid_ = fork();
+ if (pid_ < 0) {
+ perror("fork");
+ exit(-1);
+ }
+ if (pid_ == 0) {
+ printf("In the child process...\n");
+
+ // In the child process we do not need the pipes for parent
+ // reads and writes.
+ close(write_pipe_[1]);
+ close(read_pipe_[0]);
+ if (dup2(write_pipe_[0], fileno(stdin)) < 0) {
+ perror("dup2");
+ exit(-1);
+ }
+ close(write_pipe_[0]);
+ if (dup2(read_pipe_[1], fileno(stdout)) < 0) {
+ perror("dup2");
+ exit(-1);
+ }
+ if (dup2(fileno(stdout), fileno(stderr)) < 0) {
+ perror("dup2");
+ exit(-1);
+ }
+ close(read_pipe_[1]);
+
+ // Tell the parent that the pipes are set up then exec the child
+ // image.
+ kill(getppid(), SIGUSR1);
+ execvp(args[0], &(args[0]));
+ perror("exec");
+ exit(-1);
+ } else {
+ printf("In the parent process waiting...\n");
+ while(!_child_ready) {
+ sigsuspend(&zeromask);
+ }
+ printf("PARENT WAKEUP!\n");
+ _child_ready = false;
+ if (sigprocmask(SIG_SETMASK, &orig, NULL) < 0) {
+ perror("sigprocmask");
+ exit(-1);
+ }
+ close(write_pipe_[0]);
+ close(read_pipe_[1]);
+ from_ = fdopen(read_pipe_[0], "r");
+ to_ = fdopen(write_pipe_[1], "w");
+ setbuf(from_, NULL);
+ setbuf(to_, NULL);
+ running_ = true;
+ name_ = args[0];
+ }
+ }
+}
+
+void ChildProcess::Stop() {
+ if (!running_) {
+ return;
+ }
+ fclose(to_);
+ fclose(from_);
+ close(write_pipe_[1]);
+ close(read_pipe_[0]);
+ kill(pid_, SIGTERM);
+ int x;
+ waitpid(pid_, &x, 0);
+}
+
+void ChildProcess::Send(char *line) {
+ if (!running_) {
+ return;
+ }
+ fprintf(to_, "%s", line);
+ printf("%s sent: %s", name_, line);
+}
+
+void ChildProcess::Receive(char *line, int size) {
+ if (!size) return;
+ *line = '\0';
+ if (!running_) {
+ return;
+ }
+ if (!Poll()) {
+ return;
+ }
+ fgets(line, size, from_);
+ printf("%s recv: %s\n", name_, line);
+}
+
+bool ChildProcess::Poll() {
+ fd_set myset;
+ FD_ZERO(&myset);
+ FD_SET(read_pipe_[0], &myset);
+ timeval mytime;
+ mytime.tv_sec = 0;
+ mytime.tv_usec = 0;
+ return select(read_pipe_[0] + 1, &myset, NULL, NULL, &mytime) > 0;
+}
+
+void ChildProcess::Flush() {
+ static char line[1000];
+ while (Poll()) {
+ Receive(line, 1000);
+ printf("flush: %s", line);
+ if (!line[0]) {
+ break;
+ }
+ }
+}
+
+} // namespace
--- /dev/null
+// child_process.h -- description
+
+#ifndef _CHILD_PROCESS_H_
+#define _CHILD_PROCESS_H_
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <vector>
+using namespace std;
+
+namespace util {
+
+class ChildProcess {
+ public:
+ explicit ChildProcess(const char *commandline)
+ : commandline_(strdup(commandline)),
+ name_(NULL),
+ running_(false),
+ pid_(-1),
+ to_(NULL),
+ from_(NULL),
+ child_ready_(false) {}
+ virtual ~ChildProcess() {
+ Stop();
+ free(commandline_);
+ commandline_ = NULL;
+ }
+
+ virtual void Start();
+ virtual void Stop();
+ void Send(char *line);
+ void Receive(char *line, int size);
+ bool Poll();
+ void Flush();
+
+ private:
+ void ParseCommandline(vector<char *> *args);
+ char *commandline_;
+ char *name_;
+ bool running_;
+ pid_t pid_;
+ int write_pipe_[2];
+ int read_pipe_[2];
+ FILE *to_;
+ FILE *from_;
+ volatile bool child_ready_;
+};
+
+} // namespace
+
+#endif /* _CHILD_PROCESS_H_ */
--- /dev/null
+#include "child_process.h"
+#include "gtest/gtest.h"
+
+TEST(ChildProcessTest, BasicUsage) {
+ util::ChildProcess ps("/usr/bin/bc");
+ ps.Start();
+ ps.Flush();
+ ps.Send("1 + 1\n");
+ char buf[128];
+ ps.Receive(buf, 128);
+ EXPECT_STREQ("2\n", buf);
+ ps.Stop();
+}
--- /dev/null
+sn 100k
+Typhoon r356 vs. Crafty: +341 -495 =164, 42.30%, ELO: -53
+
+sn 100k
+Typhoon r357 vs. Fruit: +213 -635 =152, 28.90%, ELO: -156
+ Typhoon vs. Fruit: +211 -622 =167, 29.45%, ELO: -151
+
+sn 10k
+Typhoon r356 vs. (tiny) Fruit: +163 -732 =105, 21.55%, ELO: -224
+ Typhoon vs. Fruit: +173 -719 =108, 22.70%, ELO: -212
+ Typhoon vs. Fruit: +180 -701 =119, 23.95%, ELO: -200
+Typhoon r357 vs. (tiny) Fruit: +180 -701 =119, 23.95%, ELO: -200
+
+st 1 1k games
+Typhoon vs. Crafty : +251 -600 =149, 32.55%, ELO: -126
+
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+ <dict>
+ <key>CFBundleDevelopmentRegion</key>
+ <string>English</string>
+ <key>CFBundleIdentifier</key>
+ <string>com.apple.xcode.dsym.a.out</string>
+ <key>CFBundleInfoDictionaryVersion</key>
+ <string>6.0</string>
+ <key>CFBundlePackageType</key>
+ <string>dSYM</string>
+ <key>CFBundleShortVersionString</key>
+ <string>1.0</string>
+ <key>CFBundleSignature</key>
+ <string>????</string>
+ <key>CFBundleVersion</key>
+ <string>1.0</string>
+ <key>dSYM_UUID</key>
+ <dict>
+ <key>i386</key>
+ <string>75 db 1e 21 ae cf df 5c d5 88 08 7c 9c 70 e0 0e</string>
+ </dict>
+ </dict>
+</plist>
--- /dev/null
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 Bg5 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {10 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 O-O {5 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 O-O {100 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 O-O {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 O-O {-1 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 c5 dxc5 {-16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 Qd7 {-244 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {-8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {24 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Bxf6 gxf6 Nd5 f5 Bd3 Be6 O-O {111 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O b5 Nxc6
+ Qxc6 {-20 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bb4
+ {46 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {21 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {-38 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Bb4 {36 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 {5 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 {-13 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 {-103 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 c5 dxc5 {-16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 Qd7 {-244 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {-8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.06.30"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {24 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.06.30"]
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+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {300 7 0}
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+[White "Crafty 20.14"]
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+ {-13 8 0}
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+[White "unknown"]
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+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 {20 7 0}
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 e4 Nxc3 dxc3 Qxd1+ Kxd1 Nc6 {27 9 0}
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+[Date "2008.07.01"]
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+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 e6 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ exd5 dxc5 Bxc5 Bg5 f6 Bd2 {20 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Be2 {-4 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 Nc6 d3 {300 3 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 cxd5 exd5 Be2 c4 {0 7 0}
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+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ exd5 dxc5 Bxc5 Qc2 Qe7 {-14 9 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Be2 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ Qxd5 {49 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 g6 d4 cxd4 Nxd4 Bg7 e4 O-O {-43 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 g6 e4 Nc6 Be2 d6 d4 cxd4 Nxd4 Qb6 {-2 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 d5
+ {24 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 d5
+ {-18 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Nc3 g6 d4 {-25 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 d5
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Bg2 Nc6 Nc3 e6 O-O Be7 d4 Nxc3
+ bxc3 {36 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 d6 Nc3 {-5 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 d6 Nc3 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 {-22 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 {8 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 e5 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O {-300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 Qe2 Na6 {25 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O O-O Nc6 {-6 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 c5 dxc5 {-24 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O O-O Nc6 {15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 dxc4 {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 c5 {47 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 c5 {-15 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 c5 {23 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 c5 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {76 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {11 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {16 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 a3
+ {46 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 a3
+ {49 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 c5 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {71 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {10 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Qb3
+ Nxc3 bxc3 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 cxd5
+ Nxd5 Bxe7 Qxe7 Bd3 {16 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 cxd5
+ Nxd5 Bxe7 Qxe7 Bd3 {50 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 Bd3
+ dxc4 Bxc4 {44 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O Re8 Bd3 {-35 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {1 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 cxd5 {-9 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 Rc1 dxc4 {15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 {14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {13 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 a3 {24 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 Rc1 dxc4 {-99 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 Rc1 dxc4 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 h6 {10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 h6 {6 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 h6 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Nf6 Be3 {48 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Bxd2+ Qxd2 O-O Bc4 Nd7 O-O Nb6 {-2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Qa5 {42 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {82 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {34 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {300 9 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 {-17 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 {0 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 Be7 e3 d5 Qc2 {49 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 {13 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 O-O a3 {-19 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 h6 {30 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 h6 {26 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 h6 {20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 d6 {-35 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 d6 Bg2 c5 {13 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 c5 Bxb4 cxb4 e3 d5 {28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 c5 Bxb4 cxb4 e3 d5 {-8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 Bg5 h6 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 Bg5 h6 {7 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 Bg5 Bd6 {64 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 Bg5 dxc4 {19 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Bd6
+ {15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 Qxc3 f6
+ {14 9 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3 Be7 Bb5+ c6 Bd3
+ c5 Bb5+ {-16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3 Be7 Bb5+ c6 Bd3
+ {9 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 exd5 g3 {111 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 exd5 g3 {8 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 {-44 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 exd5 g3 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 exd5 g3 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 {20 9 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Bg5 Bb7 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ Bxc3+ bxc3 d6 Bd3 f5 {72 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Bg5 Bb7 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ Bxc3+ bxc3 d6 Bd3 f5 {-172 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Qb3 c5 Bf4 {-13 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qb3 {16 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qb3 {-28 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 dxc5 Bxc5 {11 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 {-19 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 {-58 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 e3 Bb7 Bd3 d5 O-O Nc6 {-21 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 e3 Bb7 Bd3 d5 O-O Nc6 {-185 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 Bf6 O-O {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 Bf6 O-O {21 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Bb4+ Bd2 Nc6 {-9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 {5 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 Bg2 d6 {16 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb4 Qa4 {216 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb4 Qb3 {15 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Qa4 Bd6 {-12 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb4 Qa4 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Qa4 Bb7 Bg2 {107 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 Bg2 d6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O Nc3
+ Qe7 {-14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O {27 8 0}
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+[Black "Crafty 20.14"]
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+[Date "2008.07.01"]
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+ Qe7 {300 6 0}
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+[Date "2008.07.01"]
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+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3 d5 Ne5
+ Nfd7 Nxd7 Nxd7 Nd2 Bd6 {21 8 0}
+[White "unknown"]
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+ {22 8 0}
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+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d5 cxd5 Nxd5 {18 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Bf4 {-41 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ Re1 exd4 Nxd4 Ng4 Nce2 Nge5 b3 {33 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 Qb3 {5 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 Re8 Bg5
+ {8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 Re8 Bg5
+ {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Qxd4
+ {37 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 e5 {-14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 Bd7 {-11 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 Qb3
+ {-25 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 e4 Bd7
+ {8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 Qb3
+ {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {8 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {35 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ d5 {1 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ d5 {60 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 g3 Bg7 Bg2 O-O O-O d6 Nc3 e5 d4 Nc6 d5 Ne7 Qb3
+ {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 c5 d5 b5 {40 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 c5 d5 b5 {35 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 c5 d5 b5 {27 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {-9 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {187 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 h3 Bf5 {1 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {37 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bd6 {-21 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bc5 {10 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nc3 b5 Bd3 {15 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ a3 O-O b4 Ba7 {4 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {-300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nc3 b5 Bd3 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 e3 e6 Nc3 {-15 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 e3 Nc6 {49 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bf4 Bb4+ {-10 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bf4 Bb4+ {-58 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 e3 e6 Nc3 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 Qb6 b3 Ne4 {-21 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 cxd4 {-5 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bf4 Bb4+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bf4 {-13 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bh4 g5 Bg3 Ne4 Nbd2 Nxg3 hxg3 Nc6 {-14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 Nc3 {1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 O-O Nc6 {53 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 O-O d5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O c5 Na3 {-19 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O Na6 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 d5 Nc3 {-50 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 O-O Qb6 {12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Bd3 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 d5 Nc3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 d5 {40 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 Bf5 {112 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 h6 {12 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O e4 {-11 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 Bf5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O e3 d5 Bd3 {7 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {9 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 c3 bxc3 {8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 Nc6 Nxc4 {-60 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O Nc6 {-3 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O Nc6 {32 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d4 {-12 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O Nc6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 Nc6 Nxc4 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d3 Nbd7 Nbd2 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d3 Nbd7 Nbd2 e5 h3 {-14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d3 Nbd7 Nbd2 e5 h3 {-44 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 Na3 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 Nf6 Nc3 Bg7 f3 O-O e4 Nc6 Be3 d6 Nxc6
+ {1 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 Nf6 Nc3 Bg7 f3 O-O e4 Nc6 Be3 d6 Nxc6
+ {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 {26 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Nc3 e6 d4 cxd4 Nxd4 Qc7 Ndb5 {-13 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Nc3 Nf6 Bc4 {-7 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O Nge7 d4 {25 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 Nc3 O-O d4 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 Nc3 O-O d4 {-19 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 a6 {-19 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 Nc3 O-O d4 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O Nge7 d4 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nb5 Qe5 {0 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nc3 Qd6 {44 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 a6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Nxd4 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Bd7 {29 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {-8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Nxd4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {4 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 {44 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 {28 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ f4 h6 Bh4 Qa5 {66 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ f4 h6 Bh4 Qa5 {27 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 e5 {-18 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 Nf3 h6 {-16 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 b5 e5 {-42 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 e5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 b5 Bxf6 gxf6 Kb1 b4 {51 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {5 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {-28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {37 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 e5 Nf3 Qb6 {-8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 e5 Nf3 Qb6 {35 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bg7 {-1 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bd7 {4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 {-6 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 {0 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bg7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bd7 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 e6 Be3 Be7 Qe2 Nxd4
+ {-28 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 e6 Be3 Be7 Qe2 Bd7
+ O-O-O O-O Rhg1 {-1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Be6 {31 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Bg5 Be2 {13 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bb4
+ {111 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bb4
+ {46 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bb4
+ {-20 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {21 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {-38 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Bb4 {36 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {10 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {56 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {-65 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {-17 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {1 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bg5 Nf6 N1c3 a6 Na3 {7 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bg5 Nf6 N1c3 a6 Na3 {10 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {-8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {-13 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ {17 0 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {25 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O
+ Bd7 Nb3 a5 a4 {-18 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6 O-O
+ Bb7 f3 Nxd4 {4 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Be2 Bg7
+ O-O O-O Qd3 Be6 Bd2 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Bd2 {30 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Bd2 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Qd3 Be6 Bd2 {34 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 a6 Nc3 d6 d4 cxd4 Nxd4 g6 {9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 a6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nf3 Nc6 {5 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Be7 O-O O-O f4
+ Nbd7 {-3 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Be7 O-O O-O f4
+ Nbd7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Bd7 {-36 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Bd7 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Be7 Na4 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Nc6 {30 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 {-76 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 e5 {-43 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 f5 h6 {36 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {480 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {95 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 {-9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 Nc6 Be3 Bd7 {-83 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {63 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {1 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qf3
+ Qb6 Be3 Qb7 Qg3 b4 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qf3
+ Bb7 {32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 e5 Nf3 Qc7 Bg5 Nbd7 a5
+ {-11 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 Nc6 Nxc6 {10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Be2 {-2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Bd3 Nc6 Nxc6 {28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 Nbd7 Be3 {-53 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 e5 {17 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 e5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e5 Nf3 Nbd7 a4 Be7 a5
+ {-33 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e5 Nf3 Nbd7 a4 Qa5 {12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 e5 Nb3 Be7 Bg5 {-18 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 Nc6 {-108 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 Nc6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Nxc6
+ {0 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Nxc6
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Kh1
+ Qb6 {26 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Be7 {0 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Be7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Nc6 Qd2
+ Bd7 {33 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 h4 Nc6 Rg1 h5 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 h4 Nc6 Rg1 h5 {17 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nxd4 Bxd4 {-37 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nxd4 Bxd4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nxd4 Bxd4 {28 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O O-O-O
+ d5 Nxc6 bxc6 exd5 cxd5 Nxd5 Nxd5 Qxd5 Qc7 Qxa8 {37 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O O-O-O
+ Nxd4 Bxd4 Be6 g4 Qa5 a3 {2 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Bg5 Bd7
+ {40 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Bg5 Bd7
+ {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Bg5 Qb6
+ {57 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 c3 Nf6 Qa4 {-13 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 c3 Nf6 Qa4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 c3 e6 {2 8 0}
+[White "Crafty 20.14"]
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+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O Ngf6 Qe2 e6 b3 Be7 Bb2 O-O
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+ Nf3 d5 g3 Bg4 Bg2 e6 {-51 6 0}
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+ Nc6 f4 {35 8 0}
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+ Nf3 g6 e4 Bg7 d4 d6 Nc3 Nf6 Be2 O-O O-O Bg4 Be3 Nc6 Qd2 e5 d5
+ Ne7 Bh6 {40 8 0}
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+ Ne7 Rad1 Bd7 Ne1 h5 {24 8 0}
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+[White "Crafty 20.14"]
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+ Nf3 g6 e4 Bg7 d4 d6 Nc3 Nf6 Be2 O-O O-O c6 Re1 Nbd7 Bf4 Nb6 {16 7 0}
+[White "unknown"]
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+ b3 e5 Bb2 Nc6 e3 Bd6 {34 8 0}
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+ c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3 bxc3 Bg7 d4 {15 8 0}
+[White "unknown"]
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+ c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3 bxc3 Bg7 d4 {300 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3 bxc3 {35 8 0}
+[White "Crafty 20.14"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 g3 O-O {-18 7 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 g3 O-O {300 7 0}
+[White "Crafty 20.14"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 g3 Nc6 {-11 8 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Bg5 h6 Bh4 c5 d5 exd5 {-32 8 0}
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Bg5 h6 Bh4 c5 d5 g5 {6 7 0}
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 c5 dxc5 O-O Nf3 Bxc5 Bf4 Nc6 a3 b6 e3
+ {-6 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 c5 dxc5 O-O Nf3 Bxc5 Bg5 Nc6 Rd1 {29 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 d5 cxd5 exd5 Bg5 h6 {-63 8 0}
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 d5 cxd5 exd5 Bg5 h6 {8 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O Nf3 d5 {15 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O Nf3 d5 {6 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O Nf3 d5 {-300 7 0}
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3 h6 Be3
+ {-40 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3 h6 Be3
+ {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3 h6 Bh4
+ g5 {63 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qb3 Nc6 Nf3 {2 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Qb3 Nc6 Nf3 {15 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 g3 cxd4 Nxd4 Bxc3+ {84 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 g3 cxd4 Nxd4 Ne4 {3 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 g3 cxd4 Nxd4 Ne4 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O Nc6 a3 Bxc3 bxc3
+ dxc4 Bxc4 Qc7 Qc2 {-3 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O Nc6 a3 Bxc3 bxc3
+ dxc4 Bxc4 Qc7 Bb2 Bd7 {-154 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O Nc6 a3 Bxc3 bxc3
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+[Date "2008.07.01"]
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+ Qe2 cxd4 exd4 Nb6 {13 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
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+ {-120 8 0}
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+ {-300 8 0}
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+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 a3 O-O
+ b4 {300 8 0}
+[White "Crafty 20.14"]
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+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 a3 Be6
+ b4 {10 8 0}
+[White "unknown"]
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+[White "unknown"]
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 Nf3 h6 {-3 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 Nc6 {242 8 0}
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+[Black "unknown"]
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+[White "unknown"]
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 Bxc5 {16 7 0}
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 Qxd8 Rxd8
+ Bxc5 Nc6 Ba3 {13 10 0}
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 Qxd8 Rxd8
+ Bxc5 Nc6 Ba3 {-300 10 0}
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 Nc6 {40 8 0}
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 Na6 {19 8 0}
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+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 {8 8 0}
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+[Black "unknown"]
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3 {17 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Bg5 Nc6 Nge2 a6 d5 {-23 8 0}
+[White "unknown"]
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Bg5 Nc6 Nge2 a6 d5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Bg5 h6 Be3 e5 {11 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f4 O-O Nf3 c5 Be2 cxd4 Nxd4 Nc6 Nxc6
+ {-16 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f4 O-O Nf3 c6 {18 7 0}
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+[Date "2008.07.01"]
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+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 h3 O-O Nf3 e5 Bg5 {-31 6 0}
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+[Black "unknown"]
+[Date "2008.07.01"]
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+[Black "unknown"]
+[Date "2008.07.01"]
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+[White "unknown"]
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+[Date "2008.07.01"]
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+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 O-O Nf3 d6 Be2 c5 O-O cxd4 Nxd4 Bd7 Be3
+ Nc6 f4 {35 9 0}
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+ c4 Nf6 Nc3 g6 d4 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Na6
+ Bxa6 Qxg2 Qf3 Qxf3 Nxf3 bxa6 O-O Bb7 Nd2 {18 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Na6
+ Bxa6 Qxg2 Qf3 Qxf3 Nxf3 bxa6 O-O Bb7 Nd2 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Na6
+ Bg3 {54 8 0}
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+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Na6
+ Bg3 {-300 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Bg4 f3 {54 6 0}
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+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Bg4 f3 {17 7 0}
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Bg4 f3 {-300 7 0}
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+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Qc7 Rc1 {0 8 0}
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+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Qc7 Rc1 {23 8 0}
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Qd7
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+[Date "2008.07.01"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Qd7
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+ {18 7 0}
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+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 bxa6 g6 Nc3 Bxa6 Nf3 d6 e4 Bxf1 Rxf1
+ {102 7 0}
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+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 bxa6 g6 Nc3 Bxa6 Nf3 d6 e4 Bxf1 Kxf1
+ Bg7 h3 O-O Kg1 {18 7 0}
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Nf3 O-O Be2 e6 O-O exd5 cxd5
+ Re8 Qc2 Qe7 {-10 8 0}
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+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Nf3 O-O Be2 e6 O-O exd5 cxd5
+ Re8 Qc2 Qe7 {300 8 0}
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+[Date "2008.07.01"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Nf3 O-O Be2 e6 O-O exd5 cxd5
+ Qb6 {42 8 0}
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+[Date "2008.07.01"]
+ c4 Nf6 d4 c5 d5 e5 Nc3 d6 e4 Be7 Nf3 {-6 7 0}
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+ c4 Nf6 d4 e6 g3 c5 Nf3 cxd4 Nxd4 Bb4+ Nc3 Bxc3+ {78 8 0}
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+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
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+[White "Crafty 20.14"]
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+ c4 Nf6 d4 e6 g3 c5 d5 exd5 cxd5 d6 Nc3 {-300 7 0}
+[White "unknown"]
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+ c4 Nf6 d4 e6 g3 d5 Bg2 dxc4 Qa4+ Bd7 Qxc4 Nc6 {37 8 0}
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+ c4 Nf6 d4 e6 g3 d5 Bg2 dxc4 Qa4+ Bd7 Qxc4 Nc6 {300 8 0}
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+[Date "2008.07.01"]
+ c4 Nf6 d4 e6 g3 d5 Bg2 dxc4 Qa4+ Bd7 Qxc4 Bc6 Nf3 Bd5 Qd3 Nc6
+ {-45 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ c4 Nf6 d4 e6 g3 d5 Bg2 dxc4 Qa4+ Bd7 Qxc4 Bc6 Nf3 Bd5 Qd3 Nc6
+ {-300 8 0}
+[White "unknown"]
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+ c4 Nf6 d4 e5 dxe5 Ng4 Nf3 Bc5 e3 Nc6 {80 8 0}
+[White "unknown"]
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+ c4 Nf6 d4 e5 dxe5 Ng4 Nf3 Bc5 e3 Nc6 {-300 7 0}
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+ c4 Nf6 d4 e5 {-138 8 0}
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+ c4 Nf6 d4 g6 g3 Bg7 Bg2 d5 cxd5 Nxd5 Nc3 Nxc3 bxc3 O-O Qb3 {-61 9 0}
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+ c4 Nf6 d4 g6 g3 c6 Nf3 {21 7 0}
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+ c4 Nf6 d4 g6 g3 c6 Nf3 {-300 7 0}
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+ c4 Nf6 g3 c6 Nc3 {-1 9 0}
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+ c4 Nf6 g3 c6 Bg2 d5 b3 {9 8 0}
+[White "Crafty 20.14"]
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+ c4 Nf6 g3 c6 Bg2 d5 b3 {-300 8 0}
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+ c4 b6 Nf3 Nf6 Nc3 Bb7 d4 e6 Bg5 Bb4 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ d6 Bd3 Bxc3+ bxc3 Nxg3 fxg3 Nd7 h3 {-24 7 0}
+[White "unknown"]
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+ c4 b6 Nf3 Nf6 Nc3 Bb7 d4 e6 Bg5 Bb4 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ d6 Bd3 Bxc3+ bxc3 Nxg3 fxg3 Nd7 h3 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ c4 b6 Nf3 Nf6 g3 Nc6 {4 8 0}
+[White "unknown"]
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+ c4 c6 d4 d5 e3 Nf6 Nc3 e6 Nf3 Bd6 c5 {-9 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c6 d4 d5 e3 Nf6 Nc3 e6 Nf3 Bd6 c5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c6 d4 d5 e3 Nf6 Nc3 Bf5 cxd5 cxd5 Qb3 {37 9 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 cxd5 Nf6 Nc3 Nxd5 Bb5+ {175 10 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 cxd5 Nf6 Nc3 Nxd5 Bb5+ {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 cxd5 Nf6 Nc3 Nxd5 Nf3 Nc6 d4 Bf5 {22 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 cxd5 Nf6 Nc3 Nxd5 Nf3 Nc6 d4 Bf5 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 Nc6 Bg5 dxc4 d5 {-27 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 Nc6 Bg5 dxc4 d5 {300 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 Nc6 Bg5 dxc4 d5 Ne5 Qd4 {14 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Be7 cxd5 Nxd5 Bd3 Nc6
+ O-O O-O Re1 Bf6 Ne5 {-9 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Be7 cxd5 Nxd5 Bd3 Nc6
+ O-O O-O Re1 {-2 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Bd2 O-O
+ {-9 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Qc2 Nc6
+ Bd3 Nxc3 {13 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Qc2 Nc6
+ Bd3 Nxc3 {-300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 g6 c5 {18 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 g6 cxd5 {25 7 0}
+[White "unknown"]
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+ c4 c5 Nc3 Nc6 Nf3 e5 e3 Nf6 Qb3 {-7 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 c5 Nc3 Nc6 g3 Nf6 Bg2 {-13 8 0}
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+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 Nf3 Nf6 d4 cxd4 Nxd4 O-O O-O Qa5
+ {29 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 Nf3 Nf6 d4 cxd4 Nxd4 O-O O-O Qa5
+ {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 Nf3 d6 O-O Nf6 {-6 6 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 a3 Nf6 d3 {-6 7 0}
+[White "unknown"]
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+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 a3 Nf6 d3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 a3 Nf6 Rb1 {9 10 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 e3 Nf6 {-16 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 e3 Nf6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 e3 d6 {-129 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 e3 d6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ c4 e6 Nc3 d5 d4 Be7 cxd5 exd5 Bf4 c6 e3 {0 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ c4 e6 Nc3 d5 d4 Be7 cxd5 exd5 Bf4 c6 e3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 e6 Nc3 d5 d4 Be7 cxd5 exd5 Bf4 c6 e3 Bf5 g4 Bg6 h4 Qb6 {-135 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ c4 e6 Nc3 d5 d4 Be7 cxd5 exd5 Bf4 c6 e3 Bf5 g4 Bg6 h4 Qb6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ c4 e6 d4 Bb4+ Bd2 Qe7 Nf3 Nf6 a3 {-5 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ c4 e6 d4 Bb4+ Bd2 Qe7 Nf3 Nf6 a3 {300 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
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+ d3 {9 7 0}
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+ Ne4 {73 8 0}
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+ d4 e6 Nf3 f5 Nc3 {-4 9 0}
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+[White "Crafty 20.14"]
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+ Qxh7 cxd4 Ne2 Nbc6 f4 dxc3 {-44 7 0}
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+ Qxh7 cxd4 Ne2 Nbc6 f4 dxc3 Qd3 Nf5 {3 7 0}
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+ d4 e6 e4 d5 Nc3 Bb4 e5 Ne7 a3 Bxc3+ bxc3 c5 Qg4 O-O Bd3 {-300 9 0}
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+[White "Crafty 20.14"]
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+[White "unknown"]
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+ d4 e6 e4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Qc7 Bf4 {300 8 0}
+[White "Crafty 20.14"]
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+[White "unknown"]
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+ d4 e6 e4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Qh5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ d4 e6 e4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Nb5 {2 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ d4 e6 e4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 exf6 hxg5 fxg7 Rg8 Qh5 {5 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ d4 e6 e4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 exf6 hxg5 fxg7 Rg8 Qh5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ d4 e6 e4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 exf6 hxg5 fxg7 Rg8 h4 gxh4
+ Qh5 Qf6 Nf3 {120 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ d4 e6 e4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Nbd7 Bd3 {51 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ d4 e6 e4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Nbd7 Nxf6+ Nxf6 Nf3 h6 Bd2
+ {12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ d4 e6 e4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 Bxf6 Nf3 {22 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ d4 e6 e4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 Bxf6 Nf3 O-O Qd2 {33 7 0}
+[White "unknown"]
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+[Black "unknown"]
+[Date "2008.07.01"]
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+ {-300 7 0}
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+ Qe7 {-22 7 0}
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+ {-300 6 0}
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+ {36 7 0}
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+ Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O Ngf6 Ne4 O-O-O g3 Nxe4 Qxe4 Nf6 Qe2
+ {16 8 0}
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+[White "unknown"]
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+ e4 c5 Nc3 Nc6 Nge2 e5 Ng3 {300 7 0}
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+ e4 c5 Nc3 Nc6 f4 e6 Nf3 d6 Bb5 {-7 8 0}
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+[Date "2008.07.01"]
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+ Qb6 {6 7 0}
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+ {-20 8 0}
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+ {-99 10 0}
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+ {217 7 0}
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+ {300 6 0}
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+ {-16 7 0}
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+ {9 7 0}
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+ Qe7+ Qe2 cxd5 Qxe7+ {97 8 0}
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+ {25 8 0}
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+ {43 7 0}
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+ Nc3 O-O {-26 7 0}
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+ Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3 g6 a4 c5 d5 c4 axb5
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+ {-300 8 0}
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+ Na5 Bc2 c5 d4 Nc6 d5 {300 8 0}
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+ Na5 Bc2 c5 d4 Nc6 Nbd2 cxd4 cxd4 Bb7 Nf1 {-35 8 0}
+[White "unknown"]
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+ Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 d5 Na5 {300 8 0}
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 d5 Na5 {17 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1 Rfe8 d5 {11 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1 Rfe8 d5 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1 Rfe8 d5 {2 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1 Rfe8 d5 {-300 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nb3 {-14 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nb3 {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
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+ Na5 Bc2 c5 d4 Nd7 dxc5 dxc5 Na3 {-12 6 0}
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Nd7 dxc5 dxc5 Na3 {300 5 0}
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+[Black "unknown"]
+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
+ Na5 Bc2 c5 d4 Nd7 dxc5 dxc5 Nbd2 Bb7 Nf1 Kh8 {27 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 O-O h3
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+ {16 8 0}
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+ {300 7 0}
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+ {-300 8 0}
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+ Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Bf3
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+ Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Bf3
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+ Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Nxe3
+ Rxe3 Rae8 {37 8 0}
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2
+ Nc5 c3 g5 {25 8 0}
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+ {19 8 0}
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+[Black "unknown"]
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+[White "Crafty 20.14"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
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+ g6 {-44 9 0}
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+[Date "2008.07.01"]
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+ {16 8 0}
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+[White "unknown"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 Bd3 d5 e5 Ng4 Bf4 Qe7
+ {34 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2 Qe7 d3 Nf6 Bg5 Qxe2+ Bxe2
+ Be7 Nc3 Bg4 Nd4 Bxe2 Ncxe2 Nc6 {0 9 0}
+[White "Crafty 20.14"]
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+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2 Qe7 d3 Nf6 Bg5 Qxe2+ Bxe2
+ Be7 Nc3 O-O O-O-O {16 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4
+ Bxe4 dxe4 Rxe4 Bxf3 Qxf3 Nxd4 {-11 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bf5
+ Nbd2 {29 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 Be6 cxd5
+ Bxd5 {-32 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 Re8 {43 8 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 c6 Nc3 d5 e3 e6 d4 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
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+ {15 7 0}
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+[Date "2008.07.01"]
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+ Nbd7 {-46 7 0}
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 {3 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 Bb4 cxd5 {-46 8 0}
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 Bb4 Qc2 dxc4 Bxf6
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+[White "unknown"]
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+[Date "2008.07.01"]
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+ {-2 8 0}
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+ Bxg5 Nbd7 exf6 Bh6 {-45 9 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 Bb4 O-O
+ {-11 8 0}
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+[Black "unknown"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 exf6 Bh6 {-300 9 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Bb7 {300 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4
+ Nb6 {76 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {-5 7 0}
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+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {-42 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
+ Nb6 {79 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
+ Nb6 {5 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ Be7 {-15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {-300 7 0}
+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ b4 Ne4 Nxe4 Bxe4 Qc7 {30 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 c4 Bc2 Nc5 {135 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb7 {4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb7 {-6 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb7 {-55 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb7 {300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 e6 Nc3 Bd6 {20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 c4 Bc2 Nc5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 Na6 {-41 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Ne5 Bb4 {-12 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 e6 Nc3 Bd6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 {27 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 Na6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6 {-13 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6 {5 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 Nc3 e6 Nh4 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 cxd5 cxd5 Qb3 Qc8 Bd2 Nc6 {24 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6 {300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 dxc4 Bxc4 {-7 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 {24 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 {2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {27 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 Ne5 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 {-43 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 c4 {0 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Ng5 {0 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Ng5 {-13 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Ng5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 b6 e4 {6 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 b6 e4 {-12 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 {-39 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 {20 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 e4 Nxc3 dxc3 Qxd1+ Kxd1 Nc6 {27 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 g6 d4 {-30 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 b6 e4 Nc6 d4 cxd4 Nxd4 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 e6 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ exd5 dxc5 Bxc5 Bg5 f6 Bd2 {20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Be7 {-1 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Bd3 cxd4 exd4 dxc4 Bxc4 Bd6
+ O-O O-O Re1 {15 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ exd5 dxc5 Bxc5 Qc2 Qe7 {-14 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 g6 e4 {49 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 g6 e4 {-2 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 g6 e4 {-43 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 d5
+ {-18 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 {24 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Bg2 Nc6 Nc3 e6 O-O Be7 d4 O-O {-25 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Bg2 Nc6 Nc3 e6 O-O Be7 d4 O-O {36 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Bg2 Nc6 Nc3 e6 O-O Be7 d4 O-O {300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 d6 Nc3 {-5 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Na6 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Na6 {-22 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 {8 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 e5 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 Qe2 Na6 {25 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O O-O Ne4 Qc2 Nxc3 Qxc3
+ d6 Qc2 f5 {-19 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 d6 Nc3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O Qc2 {3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 dxc4 {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 dxc4 {-24 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 Qc2 Re8 cxd5
+ exd5 Bd3 h6 {47 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 c5 {23 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 Qc2 Re8 cxd5
+ exd5 Bd3 h6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {-15 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {76 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {11 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {16 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {46 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 c5 {49 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 c5 {16 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {71 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 c5 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Bd3
+ Nxc3 bxc3 Nc6 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Bd3
+ Nxc3 bxc3 Nc6 {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 cxd5
+ Nxd5 Bxe7 Qxe7 Bd3 {50 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 Bd3
+ dxc4 Bxc4 {44 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O Re8 Bd3 {-35 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {1 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 cxd5 {-9 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 Rc1 dxc4 {15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {13 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 {24 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 Qa4+ Nc6 {-96 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 cxd5 exd5 Bg5 h6 Bxf6 Bxc3+ {10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 cxd5 exd5 Bg5 h6 Bxf6 Qxf6 Qb3 {6 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Qb6 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Nf6 Be3 {48 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Bxd2+ Qxd2 O-O Bc4 Nd7 O-O Nb6 {-2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Qa5 {42 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Qb6 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {82 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {34 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 Qa4+ Nc6 {-17 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 Qa4+ Nc6 {-69 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 Be7 e3 d5 Qc2 {49 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 Qa4+ Nc6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 {13 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 O-O a3 {-19 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 Qa4+ Nc6 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 {26 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 {30 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 {-35 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 {20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
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+[White "unknown"]
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+[Date "2008.07.01"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
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+[Black "unknown"]
+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
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+[White "unknown"]
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+[Date "2008.07.01"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+ {15 7 0}
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+[Date "2008.07.01"]
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+ {14 9 0}
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+ c5 Bb5+ {-16 8 0}
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+[Date "2008.07.01"]
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+ {9 8 0}
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+[Date "2008.07.01"]
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+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Bf4 a6 a4 Bg7 e4 Nh5
+ {22 8 0}
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+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 Nc4 O-O Bf4
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+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 a6 {8 7 0}
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 a6 {-9 8 0}
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-9 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-64 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O Nbd7 Qc2 {24 8 0}
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+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
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+[White "unknown"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.01"]
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+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 Qxc4 b5 Qc2
+ Bb7 Bd2 Be4 {29 9 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Ne5
+ c5 {-8 7 0}
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Ne5
+ Bc6 Nxc6 Nxc6 e3 Na5 Nd2 c6 {17 8 0}
+[White "Crafty 20.14"]
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+ Bb7 Bd2 Be4 Qc1 {-300 8 0}
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+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ {-2 8 0}
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+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {-24 8 0}
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+[Black "unknown"]
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+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {2 9 0}
+[White "unknown"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ Bd2 {-300 8 0}
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O {-13 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {4 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+[Date "2008.07.01"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {6 9 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {300 6 0}
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+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Re8 f3 Ne5 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Ne5 {56 8 0}
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+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O {-300 8 0}
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {42 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {42 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 h3 {52 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 O-O Nc6 {17 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {-300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ Nc6 dxe5 {-11 7 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ Nc6 dxe5 {-4 7 0}
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Bg4 {23 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ Nc6 dxe5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Re8 Nd5 Nxd5 cxd5 {21 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 Qc2 {116 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 Bg5 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 Qc2 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {-9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {26 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {-6 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 {-3 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Qb3 {16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Nb5 b6 {7 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 {158 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 Rb1 f5 b4 Kh8 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 c5 Bd7 {34 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 Nc5 Qc2 {16 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 Nc5 Qc2 {83 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 Nc5 Qc2 {66 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 {15 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 Bg7 Bf4 {-18 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 dxc3 Qxd1+ Kxd1 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O Nxd5 {322 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O Nxd5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qa4+ {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qa4+ {4 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 dxc3 Qxd1+ Kxd1 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 h6
+ {6 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Qb3 {228 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Be2 c5 d5
+ {24 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qa4+ {300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ Qb3 {58 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Qb3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ O-O-O Nc6 h3 {24 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {27 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Nc6
+ {33 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Nc6
+ {-18 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Nc6
+ {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 e4 {-21 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 Bc4 Nb6 Bb3 Nc6
+ {25 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d6 Qb3 {-16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d5 cxd5 Nxd5 {18 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Bf4 {-41 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ d5 Nc5 Be3 {-55 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 Qb3 {5 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 b3 {8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 Re8 Bg5
+ {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Qxd4
+ {37 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 e5 {-14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 Bd7 {-11 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 Qb3
+ {-25 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {8 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 Qb3
+ {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {35 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ d5 {1 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ d5 {60 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 g6 g3 Bg7 Bg2 O-O O-O d6 Nc3 e5 d4 Nc6 d5 Ne7 Qb3
+ {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 c5 d5 b5 {40 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 c5 d5 b5 {35 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 c5 d5 b5 {27 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {-9 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {187 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {19 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4
+ c4 Bc2 Bd6 {28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4
+ c4 Bc2 Bd6 {37 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bd6 {-21 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bc5 {10 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4
+ c4 Bc2 Bd6 {300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nc3 b5 Bd3 {15 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ a3 O-O b4 Ba7 {4 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 e3 e6 Nc3 {-20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nc3 b5 Bd3 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 d5 e3 Nc6 {49 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bf4 d5 Nc3 {-10 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bf4 Bb4+ {-58 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 Qb6 b3 Ne4 {-21 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bf4 Bb4+ {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bh4 d5 Bg3 {-5 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bh4 d5 Bg3 {-13 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bh4 d5 Bg3 {-32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 Nc3 {1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 O-O Nc6 {53 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O c5 Na3 {-19 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 O-O Qb6 {12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {16 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 d5 {40 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 Bf5 {112 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 h6 {12 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O e4 {-11 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 Bf5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O c3 d5 e3 Nc6 {10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O c3 d5 e3 Nc6 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bg5 d5 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 c3 bxc3 {8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 d4 Be7 Nc3 {6 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 d4 Be7 Nc3 {-3 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O Nc6 {32 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d4 {-12 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d3 Nbd7 Nbd2 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d4 Nbd7 Nc3 {-14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 d4 Be7 Nc3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d3 Nbd7 Nbd2 e5 h3 {-44 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 Na3 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 O-O {1 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 Nf6 Nc3 Bg7 f3 O-O e4 Nc6 Be3 d6 Nxc6
+ {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 {26 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d3 Nbd7 Nbd2 e5 h3 {300 4 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Nc3 e6 d4 cxd4 Nxd4 a6 Be3 Nge7 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Nc3 Nf6 Bc4 {-7 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O Nge7 d4 {25 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O Nge7 d4 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 Nc3 O-O d4 {-10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 a6 {-19 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nc3 Qd6 {0 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nc3 Qd6 {44 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Nxd4 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 a6 {-300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Bd7 {29 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {-8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Nxd4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {4 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 {44 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 {28 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ f4 h6 Bh4 Qa5 {66 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ f4 h6 Bh4 Qa5 {27 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 e5 {-18 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 Nf3 h6 {-16 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 b5 e5 {-42 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 b5 Bxf6 gxf6 Kb1 b4 {51 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 e5 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Bf4 Bd7 Nxc6 Bxc6 f3 {-28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Bf4 Bd7 Nxc6 Bxc6 f3 {5 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {37 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 e5 Nf3 Be7 {-8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bg7 {35 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bg7 {-1 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 Nb3 Be6 Nd4 Bc8
+ Bg5 Bd7 {21 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 {-6 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bg7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 O-O Be7
+ Be3 Qd8 {13 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 e6 Be3 Be7 Qe2 Nxd4
+ {-28 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 {300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Qe2 {31 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Qe2 {-1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Bg5 Be2 {13 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O b5 Nxc6
+ Qxc6 {111 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O b5 Nxc6
+ Qxc6 {-20 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bb4
+ {46 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {21 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {-38 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 Bg5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 Bg5 {36 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {16 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 g3 {56 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 g3 {-65 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {1 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {-300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 {7 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bg5 Nf6 N1c3 a6 Na3 {10 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bd3 {-8 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bd3 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 Ng4
+ Qxg4 {-13 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {17 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {25 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Qb6 {13 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O
+ Bd7 Nb3 a5 a4 {-18 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6 O-O
+ Bb7 f3 Nxd4 {4 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Bg5 {-50 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Be2 Bg7
+ O-O O-O Qd3 Be6 Bd2 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Bd2 {30 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Bd2 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Qd3 Be6 Bd2 {34 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 a6 Nc3 d6 d4 cxd4 Nxd4 g6 {9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 a6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nf3 Nc6 {5 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Be7 O-O O-O f4
+ Nbd7 {-3 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Be7 O-O O-O f4
+ Nbd7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Bd7 {-36 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Bd7 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Be7 Na4 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Nc6 {30 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 {-76 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 e5 {-43 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 Be2 Nbd7 {56 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {480 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {95 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 {-9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 Nc6 Be3 Bd7 {-83 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {63 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {1 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qf3
+ Qb6 Be3 Qb7 Qg3 b4 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qf3
+ Bb7 {32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 Nc6 Bg5 {128 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 Nc6 Bg5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 Nc6 Nxc6 {10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Be2 {-2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Bd3 Nc6 Nxc6 {28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {56 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {-65 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {-300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {-17 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 f4 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 Qb3 Nd7 {7 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 Qb3 Nd7 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bg5 Nf6 N1c3 a6 Na3 {10 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bd3 {-8 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bd3 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 Ng4
+ Qxg4 {-13 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {17 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 Bg5 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {10 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 Bg5 {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {10 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {-48 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Bb4 {36 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {-48 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Bb4 {36 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {-48 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Bb4 {36 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 O-O {-1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 Nc6 {5 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 Nc3 O-O d4 Ne4 Nxe4 Bxe4
+ Bf4 {-10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 Nc3 O-O d4 d5 Ne5 Nbd7 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 c5 dxc5 {-16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 Qd7 {-244 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 Qd7 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {-8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {24 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {12 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 O-O Bb2 {-10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 O-O Bb2 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 {6 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ {9 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ a6 Bg5 Nbd7 {-15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ a6 Bg5 Nbd7 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 a6 d4 {0 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 a6 d4 {-2 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 a6 d4 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3 Nc6 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3 Qc8 {39 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 Nc3 d5 cxd5 {32 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 Nc3 d5 cxd5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 Nc3 d5 e3 e6 d4 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4
+ b4 Na4 Qa5 {25 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 Nc3 d5 e3 e6 d4 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4
+ b4 Na4 Qa5 {-300 3 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 a6 cxd5 {57 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 a6 cxd5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 a6 cxd5 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Bg5 h6 Bxf6
+ gxf6 Nxc4 {-18 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Bg5 h6 Bxf6
+ {-32 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Bg5 h6 Bxf6
+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2
+ O-O {-17 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2
+ Ne4 g4 {-21 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 e4 Bg6 e5 Nd5 {3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 e4 Bg6 e5 Nd5 {15 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 Bb4 cxd5 {-26 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 Bb4 cxd5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 Bb4 Qc2 dxc4 Bxf6
+ Nxf6 {-45 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Rg8 {0 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Bb7 {28 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 Bb4 O-O
+ {-5 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4
+ Nb6 {30 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {0 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
+ Nb6 {79 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
+ Nb6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
+ Nb6 {44 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ Be7 {-15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ b4 Ne4 Nxe4 Bxe4 Qc7 {27 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ b4 Ne4 Nxe4 Bxe4 Qc7 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 c4 Bc2 Nc5 {135 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 c4 Bc2 Nc5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 Nb6 {4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Qb6 Be4 {-10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb7 {-58 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 e6 Nc3 Bd6 {20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 Na6 {37 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Ne5 Bb4 {-13 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Ne5 Bb4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 {27 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6 {-11 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6 {11 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 Nc3 e6 Nh4 {151 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 Nc3 e6 Nh4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 Nc3 Nbd7 {42 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 dxc4 Bxc4 {-5 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 Na6 {2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 Na6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {28 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {27 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 Ne5 {-14 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 Ne5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 cxd5 exd5 Be2 {-43 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 cxd5 exd5 Be2 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 a6 Ne5 {-22 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 c4 {0 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Be3 {-10 8 0}
+[White "unknown"]
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+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Be3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Ng5 {-30 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Ng5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 b6 d4 cxd4 Nxd4 e5 {6 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 b6 d4 cxd4 Nxd4 e5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 {3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 b6 e4 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 cxd4 e6 e4 Nc6
+ a3 {-17 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 {43 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 e4 Nxc3 dxc3 Qxd1+ Kxd1 Nc6 {27 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 g6 d4 {-30 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 e6 Bg2 Nc6 O-O Be7 d4 Qa5 {41 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Be2 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 cxd5 exd5 Bb5 a6 Bxc6+ bxc6
+ O-O Bd6 Qa4 Qc7 e4 {5 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ exd5 dxc5 Bxc5 Qc2 Qe7 {-21 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ exd5 dxc5 Bxc5 Qc2 Qe7 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ Qxd5 {43 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 g6 d4 cxd4 Nxd4 Bg7 f3 O-O e4 Nc6 Be3 d6 Nxc6
+ {-12 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 Nc3 g6 e4 Nc6 Be2 d6 d4 cxd4 Nxd4 Bd7 {38 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 d5
+ {-30 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 d5
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 {24 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Nc3 g6 d4 {-31 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Bg2 Nc6 Nc3 e6 O-O Be7 d4 Nxc3
+ bxc3 {36 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 d6 Nc3 {-5 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 d6 Nc3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 d6 Nc3 {12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O d4 d5 {-22 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 {8 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 e5 {-1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 Qe2 Na6 {32 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O O-O Ne4 Nxe4 Bxe4
+ Bf4 {8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O O-O Ne4 Nxe4 Bxe4
+ Bf4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O O-O d5 Ne5 Nbd7 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 c5 dxc5 {-25 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 dxc4 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 Qc2 Re8 cxd5
+ exd5 Bd3 h6 {47 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 c5 {8 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {-15 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {15 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {86 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {-168 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {-10 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Qxd4 {-9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 c5 {16 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {71 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Qb3
+ Nxc3 bxc3 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Bd3
+ Nxc3 bxc3 Nc6 {21 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 cxd5
+ Nxd5 Bxe7 Qxe7 Bd3 {-2 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 Bd3
+ dxc4 Bxc4 {17 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O Re8 Qd3 {-9 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 cxd5 {-19 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 Rc1 dxc4 {15 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {36 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {13 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 {24 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 {8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 cxd5 exd5 Bg5 h6 Bxf6 Bxc3+ {-16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 cxd5 exd5 Bg5 h6 Bxf6 Qxf6 Qb3 {6 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Qb6 {-31 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Qb6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Nf6 Be3 {31 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Bxd2+ Qxd2 O-O Bc4 Nd7 O-O Nb6 {54 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Qa5 {33 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {82 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {29 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 {-5 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.01"]
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+[Date "2008.07.01"]
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+[White "Crafty 20.14"]
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+ {9 8 0}
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+[Black "unknown"]
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+ {23 7 0}
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+ {-300 7 0}
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+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 Nc4 O-O Bf4
+ Ne8 Qd2 Bxc3 Qxc3 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 Nc4 O-O Bg5
+ {4 7 0}
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+ {-300 7 0}
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+ Re8 Nd2 Qe7 {-9 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 a6 {10 8 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-64 8 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-300 8 0}
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+ Bb7 Bd2 Be4 {29 9 0}
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+ c5 {-8 7 0}
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+ c5 {300 7 0}
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+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Ne5
+ Bc6 Nxc6 Nxc6 e3 Na5 Nd2 c6 {3 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Ne5
+ Bc6 Nxc6 Nxc6 e3 Na5 Nd2 c6 {-300 7 0}
+[White "unknown"]
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+[White "Crafty 20.14"]
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+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {-300 9 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O {-22 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O {-13 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {4 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {26 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Re8 f3 Ne5 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Ne5 {21 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {29 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {27 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 h3 {55 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 O-O Nc6 {17 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ Nc6 d5 Ne7 h3 {50 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ c6 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Bg4 {180 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Bg4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Re8 Nd5 Nxd5 cxd5 {23 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 Qc2 {100 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 Bg5 {18 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 Bg5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {-3 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {-16 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {26 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {43 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 {-3 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Qb3 {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Qb3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Nb5 b6 {7 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Nb5 b6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 Qb3 {128 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 Qb3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 c5 Bd7 {1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 c5 Bd7 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ {2 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 Nc5 Bxc5
+ {-6 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 Nc5 Bxc5
+ {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 {49 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 Bg7 Bf4 {-12 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 {15 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O Nxd5 {-13 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O Nxd5 {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O e3 c6 h3 {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qa4+ {-16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 h6
+ {2 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Qb3 {96 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Qb3 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ Qb3 Nb6 {58 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ O-O-O Nc6 h3 {21 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {35 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 cxd4
+ {17 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Rb1 O-O
+ Be2 Nc6 Be3 {-18 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 e4 {-21 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 Bc4 Nb6 Bb3 Nc6
+ {25 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d6 Qb3 {-15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d5 cxd5 Nxd5 {28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Bf4 {-46 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ Re1 exd4 Nxd4 Ng4 Nce2 Nge5 b3 {17 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ Re1 exd4 Nxd4 Ng4 Nce2 Nge5 b3 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 Qb3 {-8 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 b3 {8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 Re8 Bg5
+ {-9 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 Re8 Bg5
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Qxd4
+ {37 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Qxd4
+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 e5 {-14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 Bd7 {-12 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 Bd7 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 Qb3
+ {-25 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 Qb3
+ {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 e4 Bd7
+ {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 e4 Bd7
+ {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {46 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ Be3 {-12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ Be3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ d5 {60 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 g3 Bg7 Bg2 O-O O-O d6 Nc3 e5 d4 Nc6 {67 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 g3 Bg7 Bg2 O-O O-O d6 Nc3 e5 d4 Nc6 d5 Na5 {-11 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 c5 d5 b5 {42 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 c5 d5 b5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 c5 d5 b5 {15 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {187 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {99 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4
+ c4 Bc2 Bd6 {20 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4
+ c4 Bc2 Bd6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bd6 {-17 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bc5 {8 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nc3 b5 Bd3 {15 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ a3 b5 Bd3 {-263 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ a3 b5 Bd3 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 e3 e6 Nc3 {-1 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 e3 e6 Nc3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 e3 Nc6 {36 8 0}
+[White "Crafty 20.14"]
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+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 e6 Be3 Be7 Qe2 Bd7
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+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bb4
+ {46 8 0}
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+ Nxc6 {-3 7 0}
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+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {21 8 0}
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+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Qd2 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Bb4 {36 7 0}
+[White "unknown"]
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+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {-39 6 0}
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+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 O-O Nxd4 Qxd4 Nc6
+ Qd3 {-300 6 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {0 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {-65 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {-7 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {1 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 {-23 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 {7 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bg5 Nf6 N1c3 a6 Na3 {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bd3 {-32 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bd3 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 Ng4
+ Qxg4 {-12 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {17 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {-11 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Qb6 {13 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O
+ Bd7 Nb3 a5 a4 {-18 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6 O-O
+ Bb7 f3 Nxd4 {13 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Bg5 {105 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Bg5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Bg5 Bg7
+ Be2 O-O Qd2 Bd7 {25 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Bg5 Bg7
+ Be2 O-O Qd2 Bd7 {-300 6 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Bg5 {-16 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Qd3 Be6 Bd2 {34 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 a6 Nc3 d6 d4 cxd4 Nxd4 g6 Bc4 Bg7 Be3 Nf6 f3 b5 Bb3
+ Bb7 a4 {-12 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 a6 Nc3 d6 d4 cxd4 Nxd4 g6 Bc4 Bg7 Be3 Nf6 f3 b5 Bb3
+ Bb7 a4 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 a6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nf3 Nc6 {5 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Be7 O-O O-O f4
+ Nbd7 {0 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Qd2 {48 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Be7 Na4 {25 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Nc6 {21 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Nc6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 {-27 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 {37 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 e5 dxe5 fxe5 Nfd7 {-43 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 f5 h6 {26 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {-96 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 {-16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 Nc6 Be3 Bd7 {-21 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {72 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {0 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {-300 8 0}
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qf3
+ Qb6 Be3 Qb7 Qg3 b4 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qf3
+ Bb7 {19 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 e5 Nf3 Qc7 Bg5 Nbd7 a5
+ {-11 9 0}
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 e5 Nf3 Qc7 Bg5 Nbd7 a5
+ {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 Nc6 Nxc6 {2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 Nc6 Nxc6 {-300 7 0}
+[White "unknown"]
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+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Be2 {-2 8 0}
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Be2 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Be2 {3 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 Nbd7 Be3 {0 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 e5 {22 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 e5 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e5 Nf3 Nbd7 a4 Be7 a5
+ {-29 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e5 Nf3 Nbd7 a4 Qa5 {25 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 e5 Nb3 Be7 Bg5 {-21 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 e5 Nb3 Be7 Bg5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 Nc6 {-400 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 Nc6 {-300 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Nxc6
+ {16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Kh1
+ Qb6 {27 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Nc6 Nxc6
+ {71 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Nc6 Qd2
+ Bd7 {33 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 h4 Nc6 Rg1 h5 {0 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 h4 Nc6 Rg1 h5 g5 {10 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nxd4 Bxd4 {-32 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nxd4 Bxd4 {46 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O O-O-O
+ Nxd4 Bxd4 Be6 Nd5 {-38 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O O-O-O
+ Nxd4 Bxd4 Be6 g4 Qa5 a3 {2 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Bg5 Nc6
+ Nxc6 {0 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Bg5 Qb6
+ {62 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Bg5 Qb6
+ {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 c3 Nf6 Qa4 {-13 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 c3 Nf6 Qa4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 c3 e6 {2 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O Ngf6 Nc3 {37 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O Ngf6 Qe2 e6 b3 Be7 Bb2 O-O
+ c4 Ng4 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O {-12 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nf6 e5 dxe5 Nxe5 {50 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Nc6 O-O Bd7 {0 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Nc6 O-O Bd7 {22 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 Bb5+ Nc6 O-O Bd7 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 c3 Nf6 Be2 Nc6 {-17 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 c3 Nf6 Be2 Nc6 {-61 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 c3 Nf6 Be2 Nc6 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Qe3 {162 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 d6 d4 cxd4 Qxd4 Nc6 Bb5 Nf6 {5 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 a6 d4 cxd4 Nxd4 Qc7 Bd3 Nf6 Bg5 {28 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 a6 d4 cxd4 Nxd4 Qc7 Bd3 Nf6 Bg5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 a6 d4 cxd4 Nxd4 Qc7 Bd3 Nf6 f4 {15 6 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 a6 g3 Nc6 {173 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 a6 g3 Nc6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 a6 g3 Nc6 {17 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 d6 d4 cxd4 Nxd4 a6 Be3 {-6 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 d6 d4 cxd4 Nxd4 a6 Be3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 Nc3 d6 d4 cxd4 Nxd4 Nf6 Bc4 Nc6 Bb3 Nxd4 {17 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 c3 d5 exd5 exd5 d4 Nf6 Bf4 {26 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 c3 d5 exd5 exd5 d4 Nf6 Be2 Nc6 Bg5 {-25 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 c3 d5 exd5 exd5 d4 Nf6 Be2 Nc6 Bg5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 d3 Nc6 g3 Nf6 {-33 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 d3 Nc6 g3 Nf6 {12 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 e6 d3 Nc6 g3 Nf6 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
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+ Ne7 Rad1 Bd7 Ne1 Kh8 Nf3 Kg8 Ng5 {29 9 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 c5 dxc5 O-O Nf3 Bxc5 Bf4 Nc6 e3 d5 a3
+ {2 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 d5 cxd5 exd5 Bg5 h6 Bxf6 {-300 9 0}
+[White "unknown"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O Nf3 d5 {39 8 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3 h6 Be3
+ {-43 8 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3 h6 Bh4
+ g5 {63 7 0}
+[White "unknown"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qb3 Nc6 Nf3 {300 7 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qb3 Nc6 Nf3 {17 10 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 g3 cxd4 Nxd4 Bxc3+ {68 7 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O Nc6 a3 Bxc3 bxc3
+ dxc4 Bxc4 Qc7 Qc2 {-3 7 0}
+[White "Crafty 20.14"]
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+ dxc4 Bxc4 Qc7 Bd3 e5 Qc2 g6 {-16 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O dxc4 Bxc4 Nbd7
+ Qe2 cxd4 exd4 Nb6 {-1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O dxc4 Bxc4 Nbd7
+ Qe2 cxd4 exd4 Nb6 {6 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 a3 Bxc3+ bxc3 c5 Nf3 {13 8 0}
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+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 a3 Bxc3+ bxc3 c5 e3 Qa5 Bd2 {8 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 a3 Bxc3+ bxc3 c5 e3 Qa5 Bd2 {-300 7 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 e3 b6 Bd3 Bb7 Nf3 O-O O-O Nc6 {0 7 0}
+[White "unknown"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 e3 b6 Bd3 Bb7 Nf3 O-O O-O Nc6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 b6 Bd3 Bb7 Nf3 O-O O-O Nc6 {8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 b6 Bd3 Bb7 Nf3 O-O O-O Nc6 {-300 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 b6 Ne2 Ba6 a3 Be7 {-15 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 b6 Ne2 Ba6 a3 Be7 {-44 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 b6 Ne2 Ba6 a3 Be7 Nf4 {-300 8 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 O-O O-O
+ Rb1 {-18 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 O-O e5 Ng5
+ {36 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 O-O e5 Ng5
+ {-300 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Ne2 cxd4 {-23 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Ne2 cxd4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Ne2 cxd4 exd4 d5 {15 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Ne2 cxd4 exd4 d5 {-300 7 0}
+[White "unknown"]
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+ {-27 8 0}
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+ {300 8 0}
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
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+ {10 7 0}
+[White "unknown"]
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+ {300 7 0}
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+ Bg7 h3 Qa5 {30 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Bd3 O-O Nf3 Bg4 {23 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "unknown"]
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+ Re8 Qc2 Qe7 {-8 7 0}
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+ Qb6 {42 8 0}
+[White "unknown"]
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+ d4 Nf6 Bg5 Ne4 Bf4 d5 f3 Nf6 Nc3 {-31 8 0}
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+ d4 Nf6 Bg5 Ne4 Bf4 g5 {22 8 0}
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+ d4 c5 d5 Nf6 Nc3 {-300 8 0}
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+[Black "unknown"]
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+ d4 d6 c4 e5 Nf3 exd4 Nxd4 Bd7 {15 7 0}
+[White "unknown"]
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+ {35 8 0}
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+ Be7 Bf4 {51 7 0}
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+ Na5 Rb1 Qc7 {5 7 0}
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+[Black "unknown"]
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+[Black "unknown"]
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+ d4 f5 Nf3 Nf6 g3 Nc6 {-300 7 0}
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+ d4 g6 e4 Bg7 Nc3 c6 Nf3 d5 exd5 cxd5 Ne5 {8 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
+ d4 g6 e4 Bg7 Nc3 c6 h4 {44 8 0}
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+ e4 Nc6 Nf3 d5 {107 8 0}
+[White "unknown"]
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+ e4 Nc6 Nf3 d5 {300 8 0}
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+ e4 Nc6 Nf3 Nf6 e5 {0 9 0}
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+ e4 Nf6 Nc3 d5 exd5 Nxd5 Ne4 {-25 7 0}
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+ e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 h3 Bh5 Nc3
+ O-O exd6 cxd6 Bd3 {-21 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+ c5 Qf3 {48 8 0}
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+ e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7 Ng5 e6 f4 dxe5 fxe5
+ c5 Qf3 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
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+ N5f3 a5 c3 {25 6 0}
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+ N5f3 a5 a4 Bd6 {-42 8 0}
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+ N5f3 c5 dxc5 Bxc5 {-74 8 0}
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+[White "Crafty 20.14"]
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+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Qc7 Bd2 Ngf6 O-O-O O-O-O {-8 7 0}
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+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Qc7 Bd2 Ngf6 O-O-O O-O-O {300 7 0}
+[White "Crafty 20.14"]
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+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O Ngf6 Ne4 O-O-O g3 Nxe4 Qxe4 Nf6 Qe2
+ {57 8 0}
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+ Bxd3 Qxd3 Ngf6 Bd2 Qb6 {-13 7 0}
+[White "Crafty 20.14"]
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+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Ngf6 Bd2 e6 O-O-O Ng4 {35 8 0}
+[White "unknown"]
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+[White "unknown"]
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+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 e6 Bd2 Qc7 O-O-O {300 7 0}
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+ Bxd3 Qxd3 e6 Bd2 Qb6 {62 7 0}
+[White "unknown"]
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+[White "Crafty 20.14"]
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+[White "unknown"]
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+[White "Crafty 20.14"]
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+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
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+ e4 c6 d4 d5 e5 Bf5 Nc3 e6 g4 Bg6 Nge2 Bb4 {-300 8 0}
+[White "unknown"]
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+ e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 Na6 {79 8 0}
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+ e4 c5 Nc3 Nc6 Nge2 e5 Ng3 {-8 8 0}
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+ e4 c5 Nc3 Nc6 Nge2 e5 Nd5 Nf6 {83 8 0}
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
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+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O {-7 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3
+ Qb6 {6 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3
+ Qb6 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ e4 c5 Nc3 d6 f4 Nc6 Nf3 Nd4 {-18 8 0}
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+[White "unknown"]
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+ e4 c5 Nc3 d6 g3 g6 d4 {18 8 0}
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+[Date "2008.07.02"]
+ e4 c5 Nc3 d6 g3 g6 d4 {300 6 0}
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+ e4 c5 Nc3 d6 g3 Nc6 Nf3 Nf6 Bg2 {9 9 0}
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+ e4 c5 Ne2 Nf6 Nbc3 d5 e5 {-42 7 0}
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+[Date "2008.07.02"]
+ e4 c5 Ne2 Nf6 Nbc3 e5 {11 8 0}
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+ e4 c5 Ne2 Nf6 Nbc3 e5 {-300 7 0}
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+ e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 Nc6 Bc4 Nb6 Bb3 d5 cxd4 Bg4 Nc3
+ {8 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 Nc6 Bc4 Nb6 Bb3 dxc3 Nxc3 d6
+ {23 9 0}
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+[Date "2008.07.02"]
+ e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3 Bg4 Be2 cxd4 cxd4 Nc6 O-O Qd6
+ Nc3 e6 Be3 {30 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ e4 c5 c3 d5 exd5 Qxd5 d4 e6 Nf3 Nf6 Be3 cxd4 cxd4 Bb4+ Nc3 Qa5
+ {-13 9 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ e4 c5 c3 d5 exd5 Qxd5 d4 e6 Nf3 Nf6 Na3 Bd6 {-155 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ e4 c5 c3 d5 exd5 Qxd5 d4 e6 Nf3 Nf6 Na3 Bd6 {-300 7 0}
+[White "unknown"]
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+ e4 c5 c3 e6 d4 d5 exd5 Qxd5 Nf3 Nf6 Be3 cxd4 cxd4 Nc6 Nc3 Qd6
+ Ne5 {-30 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ e4 c5 c3 e6 d4 d5 exd5 Qxd5 Nf3 Nf6 Bd3 cxd4 cxd4 Nc6 Nc3 Qa5
+ {2 7 0}
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+ e4 c5 d4 {40 8 0}
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+ e4 c5 d4 cxd4 {32 9 0}
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+ e4 c5 f4 d5 exd5 Nf6 c4 {-9 7 0}
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+[Date "2008.07.02"]
+ e4 c5 f4 d5 exd5 Qxd5 Nc3 Qe6+ {36 9 0}
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+ e4 c5 f4 d5 exd5 Qxd5 Nc3 Qe6+ {-300 9 0}
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+ e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Ne5 c6 Bc4 e6 g4 {-30 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Ne5 c6 Bc4 e6 g4 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Ne5 Nbd7 {83 7 0}
+[White "unknown"]
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+ e4 d5 exd5 Nf6 d4 Nxd5 c4 Nf6 {32 8 0}
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+[Black "unknown"]
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+ e4 d5 exd5 Nf6 d4 Nxd5 Be2 {38 8 0}
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+ e4 d5 exd5 Nf6 d4 Nxd5 Be2 {-300 8 0}
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+ e4 e6 d3 d5 Nd2 Nc6 {-2 8 0}
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+ e4 e6 d3 d5 Nd2 Nc6 {-300 8 0}
+[White "unknown"]
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+ e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nxe4 {31 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nxe4 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3 Bc5 {29 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ e4 e5 Bc4 Nf6 d3 c6 Bb3 {14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ e4 e5 Bc4 Nf6 d3 c6 Bb3 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Bd3 {10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxd4 exd4 e5 dxc3 exf6 cxd2+ Bxd2
+ Qxf6 O-O Be7 Bc3 Qg5 Re1 {-342 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxd4 exd4 e5 dxc3 exf6 cxd2+ {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7
+ Qe2 {-6 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Be6
+ {9 7 0}
+[White "unknown"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "unknown"]
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+[White "unknown"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Bg5 h6 Bxf6
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+[Date "2008.07.02"]
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+ {-300 7 0}
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+ Ne4 g4 {-21 8 0}
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
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+ Bxg5 Nbd7 Qf3 Bb7 {-2 8 0}
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Bb7 {300 8 0}
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Bb7 {28 7 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 Bb4 O-O
+ {-5 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4
+ Nb6 {30 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {28 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {0 7 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ b4 Ne4 Nxe4 Bxe4 Qc7 {27 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 c4 Bc2 Nc5 {300 9 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 Nb6 {4 8 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Qb6 Be4 {-10 8 0}
+[White "Crafty 20.14"]
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+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb7 {-58 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 e6 Nc3 Bd6 {20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 Na6 {37 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Ne5 Bb4 {-13 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Ne5 Bb4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 {27 8 0}
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6 {11 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 Nc3 e6 Nh4 {16 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 Nc3 Nbd7 {42 7 0}
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 Na6 {2 8 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 Na6 {-300 8 0}
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+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {28 7 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {27 9 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 {29 7 0}
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+[Date "2008.07.02"]
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+[White "unknown"]
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+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 a6 Ne5 {-22 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 c4 {0 7 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Be3 {-10 8 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Be3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Ng5 {-30 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 Ng5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 b6 d4 cxd4 Nxd4 e5 {6 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 b6 d4 cxd4 Nxd4 e5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 {3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 {-300 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 cxd4 e6 e4 Nc6
+ a3 {-14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 {43 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 e4 Nxc3 dxc3 Qxd1+ Kxd1 Nc6 {27 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 g6 d4 {-30 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 e6 Bg2 Nc6 O-O Be7 d4 Qa5 {41 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Be2 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Bd3 cxd4 exd4 dxc4 Bxc4 Bd6
+ O-O O-O Re1 {13 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Bd3 cxd4 exd4 dxc4 Bxc4 Bd6
+ O-O O-O Re1 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ Qxd5 {40 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ Qxd5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ Qxd5 {43 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 g6 d4 cxd4 Nxd4 Bg7 f3 O-O e4 Nc6 Be3 d6 Nxc6
+ {-12 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 Nc3 g6 d4 cxd4 Nxd4 d6 e4 Nc6 Be2 Bd7 {-28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bc5 {146 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 {24 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Nc3 g6 d4 {-31 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Bg2 Nc6 Nc3 e6 O-O Be7 d4 Nxc3
+ bxc3 {36 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 d6 Nc3 {-5 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 d6 Nc3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 d6 Nc3 {12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O d4 d5 {-22 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O {8 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 e5 {-1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 Qe2 Na6 {32 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 Ne4 Qc2 Nxc3 bxc3 {-5 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 O-O O-O d5 Ne5 Nbd7 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 c5 dxc5 {-25 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 dxc4 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 Qc2 Re8 cxd5
+ exd5 Bd3 h6 {47 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 c5 {8 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {-15 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {15 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {86 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {-168 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {-10 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {32 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Qxd4 {-9 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 c5 {16 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {71 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Qb3
+ Nxc3 bxc3 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Bd3
+ Nxc3 bxc3 Nc6 {21 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 cxd5
+ Nxd5 Bxe7 Qxe7 Bd3 {-2 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 Bd3
+ dxc4 Bxc4 {17 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O Re8 Qd3 {-9 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 cxd5 {-19 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 Rc1 dxc4 {15 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {36 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {13 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 cxd5 exd5 Bg5 h6 Bxf6 Bxc3+ {-16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Qb6 {-31 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Qb6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Nf6 Be3 {31 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Bxd2+ Qxd2 O-O Bc4 Nd7 O-O Nb6 {54 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Qa5 {33 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e4 Bb4 Bg5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {32 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 {67 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 Be7 e3 d5 Bd3 {21 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 O-O a3 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 O-O Nc3 d5 e3 {29 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 h6 {20 8 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 {-24 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 d6 Bg2 Bxd2+ {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 c5 Bxb4 cxb4 Nbd2 {26 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 c5 Bxb4 cxb4 Nbd2 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "unknown"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 Bg5 h6 {31 7 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 Bg5 Bd6 {64 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 Bg5 Bd6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 Bg5 dxc4 {19 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Bd6
+ {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 Qxc3 f6
+ {14 9 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 Qxc3 f6
+ {-300 7 0}
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+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3 Be7 Bb5+ c6 Bd3
+ c5 Bb5+ {-16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3 Be7 Bb5+ c6 Bd3
+ {9 8 0}
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 exd5 g3 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 g6 {-44 8 0}
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+[Date "2008.07.02"]
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+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Bg5 Bb7 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ Bxc3+ bxc3 d6 Bd3 Nxg3 hxg3 g4 {72 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Bg5 Bb7 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ Bxc3+ bxc3 d6 Bd3 Nxg3 hxg3 g4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Bg5 Bb7 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ Bxc3+ bxc3 d6 Bd3 f5 {-172 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Qb3 Ba5 {43 10 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 dxc5 Bxc5 {-28 7 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 dxc5 Bxc5 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 dxc5 Bxc5 {11 7 0}
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 e3 Bb7 Bd3 d5 O-O Nc6 {-185 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 Bf6 O-O {-4 8 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 Bf6 O-O {21 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Bb4+ Bd2 Nc6 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 Bg2 Bd6 {-1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 Bg2 d6 {30 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 Bg2 d6 {-300 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+[White "unknown"]
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+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb4 Qa4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb4 Qb3 {15 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Qa4 Bd6 {-8 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Qa4 Bb7 Bg2 {9 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O Nc3
+ Qe7 {-14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O Nc3
+ Qe7 {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O {27 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Nc3 O-O e4 d5 cxd5
+ Bxf1 Rxf1 {-19 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Nc3 O-O e4 d5 cxd5
+ Bxf1 Rxf1 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Nc3 {13 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3 d5 Ne5
+ Nfd7 cxd5 {-24 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3 d5 Ne5
+ Nfd7 Nxd7 Nxd7 Nd2 O-O O-O {19 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb4+ Bd2 Bxd2+ Qxd2 {-28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb4+ Bd2 Bxd2+ Qxd2 {-22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 Nc3 cxd4 Nxd4 Bb4 Bg5 {-8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 Nc3 cxd4 Nxd4 Bb4 Bd2 Nc6 e3 O-O {44 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Bf4 a6 a4 Bg7 e4 Nh5
+ {23 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Bf4 a6 a4 Bg7 e4 Nh5
+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 Nc4 O-O Bf4
+ Ne8 Qd2 Bxc3 Qxc3 {-20 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 e4 O-O Be2
+ Re8 O-O a6 {5 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 e4 O-O Be2
+ Re8 O-O a6 {-300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 Qe7 {-9 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 Qe7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 a6 {10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-9 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-64 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O Nbd7 Qc2 {24 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O Nbd7 Qc2 {15 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O c6 {-3 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O c6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O c6 {-9 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 Qxc4 b5 Qc2
+ Bb7 Bd2 Be4 Qc1 {-31 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 Qxc4 b5 Qc2
+ Bb7 Bd2 Be4 Qc1 {29 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 {-8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Ne5
+ {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Ne5
+ Bc6 Nxc6 Nxc6 e3 Na5 Nd2 c6 {3 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Ne5
+ Bc6 Nxc6 Nxc6 e3 Na5 Nd2 c6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ {-1 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ Bd2 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ Bd2 {-28 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ Bd2 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {-7 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {2 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O {-22 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O {-13 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {4 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {26 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Re8 f3 Ne5 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Ne5 {21 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 {29 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {27 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ exd4 Nxd4 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 h3 {55 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 O-O Nc6 {17 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ Nc6 d5 Ne7 h3 {50 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ c6 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Bg4 {180 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Bg4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Re8 Nd5 Nxd5 cxd5 {23 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 {100 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 O-O Nc5 Qc2
+ Bd7 {33 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 O-O Nc5 Qc2
+ Bd7 {-300 3 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {-3 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {-16 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {26 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {43 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 Rb1 f5 b4 Kh8 {-3 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 Rb1 f5 b4 Kh8 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 {0 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 {128 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 c5 Bd7 {34 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ {2 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ {16 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 a5 {-11 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 {49 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 Bg7 Bf4 {-12 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 {9 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O Nxd5 {-13 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O Nxd5 {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O e3 c6 h3 {16 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qa4+ {-16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 h6
+ {2 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Qb3 {96 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Qb3 {300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ Qb3 Nb6 {58 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ Be2 Nb6 Qd3 Nc6 Rd1 {-80 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ Be2 Nb6 Qd3 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {35 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 cxd4
+ {17 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Rb1 O-O
+ Be2 Nc6 Be3 {-18 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 e4 {-21 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 Bc4 Nb6 Bb3 Nc6
+ {25 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d6 Qb3 {-15 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d5 cxd5 Nxd5 {28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Bf4 {-46 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Qc2 {-33 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 Qb3 {-8 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 b3 {8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Nxd4
+ Ne5 {118 5 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Nxd4
+ Ne5 {300 5 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Qxd4
+ {37 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Qxd4
+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 e5 {-14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 Bd7 {-12 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 Bd7 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 {-25 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 e4 Bd7
+ {10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 e4 Bd7
+ {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {14 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {46 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ Be3 {-12 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ Be3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ d5 {60 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 g3 Bg7 Bg2 O-O O-O d6 Nc3 e5 d4 Nc6 {67 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 g6 g3 Bg7 Bg2 O-O O-O d6 Nc3 e5 d4 Nc6 d5 Na5 {-11 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 c5 d5 b5 {42 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 c5 d5 b5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 c5 d5 b5 {15 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 exd4 {20 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {187 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {99 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {28 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {300 6 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Nc3
+ Nbd7 Rd1 Qc7 e4 cxd4 Nxd4 b4 {51 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bd6 {-17 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bc5 {8 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nc3 b5 Bd3 {15 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nbd2 O-O Nb3 {24 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 e3 e6 Nc3 {-12 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 e3 Nc6 {36 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 d5 e3 Nc6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bf4 d5 Nc3 {-10 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bf4 Bb4+ {-58 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bf4 Bb4+ {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 h6 Bxf6 Qxf6 Nbd2 cxd4 Nxd4 {-5 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 h6 Bxf6 Qxf6 Nbd2 cxd4 Nxd4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 cxd4 {7 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bf4 {-13 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bxf6 Qxf6 e3 Nc6 {15 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {2 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-17 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 g3 b6 {1 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 O-O Nc6 {33 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O c5 Na3 {-19 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O Na6 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 O-O Qb6 {12 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 O-O Qb6 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Bd3 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {16 8 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 d5 {56 9 0}
+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 Bf5 {112 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 Bf5 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 h6 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O e4 {-11 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O e3 d5 Bd3 {28 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {-8 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {-25 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 c3 bxc3 {8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 Nc6 {14 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 d4 Be7 Nc3 {-3 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 d4 Be7 Nc3 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O Nc6 {14 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O Nc6 {-300 6 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d4 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d4 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d3 Nbd7 Nbd2 {22 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d4 Nbd7 Nc3 {-8 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d4 Nbd7 Nbd2 {34 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 {-3 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 {8 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 Nf6 Nc3 Bg7 f3 O-O e4 Nc6 Be3 d6 Nxc6
+ {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 {35 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 Nc3 Nf6 d4 cxd4 Nxd4 d6 Bb5 {-16 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 Nc3 Nf6 Bc4 {-7 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O {-1 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O Nge7 Nc3 a6 {-6 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 Nc3 O-O d4 {-7 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 a6 {-36 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 a6 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nb5 Qe5 {91 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nb5 Qd8 {10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nb5 Qd8 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Nxd4 {-4 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Nxd4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Bd7 {29 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Bd7 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ {27 0 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 O-O {-15 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 b3 g6 Bb2 Bg7 e3 Nc6 {5 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 Nc3 O-O d4 Ne4 Nxe4 Bxe4
+ Bf4 {-10 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 Nc3 O-O d4 d5 Ne5 Nbd7 {29 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 c5 dxc5 {-16 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 Qd7 {-244 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 Qd7 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {-8 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {20 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {24 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {12 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nc6 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 O-O Bb2 {-10 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 O-O Bb2 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 {6 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.02"]
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+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ {9 7 0}
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+[Date "2008.07.02"]
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+ {300 7 0}
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+[Black "unknown"]
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+ {-15 7 0}
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+[Black "unknown"]
+[Date "2008.07.02"]
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+ {-300 7 0}
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+[Date "2008.07.02"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
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+[White "unknown"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Bg5 h6 Bxf6
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Bg5 h6 Bxf6
+ {-32 7 0}
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+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2
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+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 e4 Bg6 e5 Nd5 {15 7 0}
+[White "unknown"]
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+[Date "2008.07.02"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 Bb4 cxd5 {300 7 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Bb7 {28 7 0}
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 Bb4 O-O
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+[White "unknown"]
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {28 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.02"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
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+[Date "2008.07.02"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
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+[White "unknown"]
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+[Date "2008.07.02"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
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+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
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+[White "unknown"]
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+[Date "2008.07.02"]
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+ c5 d5 c4 Bc2 Nc5 {135 9 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.03"]
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+[Date "2008.07.03"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {69 11 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {134 11 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
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+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
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+[Date "2008.07.03"]
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+[Date "2008.07.03"]
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+[Date "2008.07.03"]
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+[Black "unknown"]
+[Date "2008.07.03"]
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+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
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+[White "unknown"]
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+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 c5 dxc5 {300 8 0}
+[White "Crafty 20.14"]
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+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Nxe4 Bxe4
+ Ne1 Bxg2 Nxg2 d5 Qa4 Qd7 {62 10 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {134 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {30 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Bd2 Nxd2 {-300 3 0}
+[White "unknown"]
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+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Nd7 {-16 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 Bb7 Bg2 e6 O-O Be7 d4 O-O Nc3 Ne4 Qc2 Nxc3 Qxc3
+ c5 Rd1 d6 b3 Bf6 Bb2 Na6 {42 13 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 O-O Bb2 d6 Qc2
+ {-17 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 b3 {6 11 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ {-13 11 0}
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ {300 11 0}
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ {-143 11 0}
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+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1
+ {-300 9 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 a6 {-10 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O e6 Nc3 a6 {-300 12 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3 Nc6 {-13 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3 Nc6 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3 Nc6 {12 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 b6 g3 c5 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3 Nc6 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 Nc3 d5 cxd5 cxd5 d4 e6 Bf4 Nc6 e3 Nh5 Bg5 Qb6 {132 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 Nc3 d5 cxd5 cxd5 d4 e6 Bf4 Nc6 e3 Nh5 Bg5 Qb6 {-300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 Nc3 d5 e3 dxc4 {36 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 a6 c5 e6 {184 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 a6 c5 e6 {300 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 a6 c5 Bf5 {28 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4 Bxe4 fxe4
+ Nxe4 Nxf7 {-62 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Nxc4 O-O Bg5
+ h6 Bh4 c5 dxc5 Qxd1+ Rxd1 Nd5 {13 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2
+ O-O e4 Bg6 Bd3 c5 {128 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2
+ O-O e4 Bg6 Bd3 c5 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2
+ Ne4 Nxe4 Bxe4 Rd1 {18 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 e4 Bg4 {-18 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 e4 Bg4 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 e4 Bg6 Bd3 c5 {0 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2
+ Nbd7 e4 Bg6 Bd3 c5 {-300 7 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 Bb4 cxd5 {-26 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 Nbd7 e3 Qa5 Nd2 dxc4 Bxf6 Nxf6
+ Nxc4 {49 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Bb7 {42 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5
+ Bxg5 Nbd7 Qf3 Bb7 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 Bb4 a3
+ {0 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4
+ Qg6 {20 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bb4 {-13 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 cxd5 exd5 Bg5 Bd6 {-2 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
+ Nb6 {44 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O dxc4 Bxc4
+ Qc7 {25 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ Be7 {14 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O
+ b4 Ne4 Nxe4 Bxe4 Qc7 {69 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 c4 Bc2 b4 {72 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 d5 exd5 {-1 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb4+ {94 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb4+ {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Nc3 e6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4
+ c5 e5 cxd4 Nxb5 axb5 exf6 Bb7 {1 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 e6 cxd5 exd5 Nc3 Na6 a3 Nc7 Bg5 g6 e4
+ {-67 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 Qc2 dxc4 Qxc4 Na6 {14 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Qb3 {3 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 {45 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 {-48 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 cxd5 cxd5 Nc3 Nc6 Bf4 {6 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 Nc3 e6 Nh4 {-6 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 Bf5 cxd5 cxd5 Qb3 Qc8 Bd2 Nc6 {23 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 Bd6 {-4 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c6 d4 d5 e3 e6 Bd3 Na6 {-4 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {-72 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 d4 cxd4 Nxd4 e6 g3 Qb6 Nb3 {4 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 {-29 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 a3 a6 {26 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 a6 Ne5 {-19 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 a6 Ne5 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 e3 e6 d4 d5 cxd5 exd5 Be2 c4 {69 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 e5 O-O Be7 Be3
+ {-3 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nc7 d3 Nd5 {107 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 b6 e4 d6 e5 {-34 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 {32 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 {16 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 cxd4 {-300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 e4 Nxc3 {23 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 g6 Nxd5 {-27 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 g6 Nxd5 {-300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 d5 cxd5 Nxd5 g3 Nc6 Bg2 Nxc3 {60 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 Bd3 Bd6 cxd5 {-26 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 e6 e3 Nc6 d4 d5 cxd5 exd5 Be2 c4 {57 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ exd5 dxc5 Bxc5 Qc2 Be7 {-20 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 e6 g3 d5 cxd5 Nxd5 Bg2 Nc6 O-O Be7 d4 O-O Nxd5
+ Qxd5 {16 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 g6 d4 cxd4 Nxd4 Bg7 e4 O-O {-33 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 g6 e4 d6 Be2 Bg7 d4 cxd4 Nxd4 Nc6 Be3 Bd7 O-O
+ O-O f4 {34 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 Nc3 g6 e4 d6 Be2 Bg7 d4 cxd4 Nxd4 Nc6 Be3 Bd7 O-O
+ O-O f4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 Qa5
+ {15 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 Qa5
+ {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 e3 e5 {14 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 d4 cxd4 Nxd4 e6 e3 e5 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 d3 {-8 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 c5 g3 d5 cxd5 Nxd5 Bg2 Nc6 Nc3 Nxc3 {36 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 d6 Nc3 e5 d4 {-17 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 d6 Nc3 {36 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O {-21 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O {6 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 e5 {0 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 e5 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 b6 e4 Bb7 Qe2 Na6 {22 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 Ne4 Qc2 Nxc3 Qxc3 O-O
+ O-O c5 dxc5 {-27 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 b6 g3 Bb7 Bg2 Be7 d4 Ne4 Bd2 Nxd2 {10 14 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 h6 Bh4 Re8 {-7 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 h6 cxd5 {-51 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Qc2 h6 cxd5 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 Qc2 {-21 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 a6 c5 {9 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {85 13 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {300 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 Bg5 Be7 e3 O-O Rc1 c6 Bd3 dxc4 Bxc4
+ Nd5 Bxe7 Qxe7 O-O {46 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 {-6 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Nbd7 cxd5 exd5 Bf4 c6 e3 Be7 h3 {15 13 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 cxd5
+ {-80 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3
+ {43 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 Qe7 Qc2 {-4 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bxf6 Bxf6 e3 O-O Rc1 c6 Bd3
+ Nd7 O-O dxc4 Bxc4 e5 Ne4 exd4 Nxf6+ Nxf6 Nxd4 Bd7 {148 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 Ne4 Bxe7 Qxe7
+ cxd5 {17 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {-15 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O Rc1 {300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Qc2
+ Nxc3 {-30 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Qc2
+ Nxc3 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 Ne4 Bxe7 Qxe7 Qc2
+ Nxc3 Qxc3 Nc6 {15 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 Bd3
+ dxc4 Bxc4 {372 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 Bd3
+ dxc4 Bxc4 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Rc1 Bb7 Bd3
+ dxc4 Bxc4 {54 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O Re8 Qb3 {-14 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Be2 Bb7 Bxf6
+ Bxf6 cxd5 exd5 O-O c5 {16 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 cxd5 {-17 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 Bd3 Bb7 O-O
+ Nbd7 Rc1 dxc4 {27 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {-16 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Be7 Bg5 h6 Bh4 O-O e3 b6 cxd5 Nxd5 Bxe7
+ Qxe7 Rc1 Bb7 Bd3 {31 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 {0 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 Bg5 h6 Bxf6 Qxf6 e3 dxc4 {59 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 cxd5 exd5 Bg5 h6 Bxf6 Bxc3+ {-24 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 Bb4 cxd5 exd5 Bg5 h6 Bxf6 Qxf6 Qb3 {9 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 Be7 O-O O-O Nxd5
+ Qxd5 e4 Qd7 {-4 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Nf6 Ne4 {13 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Bb4
+ Bd2 Nf6 Ne4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Bxd2+ Qxd2 O-O Be2 {-28 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+
+ Bd2 Be7 {43 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e3 a6 Bxc4 Bd6 {-11 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 Nc3 d5 d4 dxc4 e3 Nbd7 {0 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {-41 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 {4 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 Qa4+ Nc6 {-47 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 Qa4+ Nc6 {7 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 d5 Qa4+ Nc6 a3 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O e3 d5 a3 {6 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Nbd2 O-O a3 Be7 e3 d5 Bd3 {-73 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 d5 a3 Bxc3 Bxc3 {6 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 d5 a3 Bxc3 Bxc3 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 {4 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 {-300 13 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 Nc6 {15 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 Nc6 {-16 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 {-20 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 d6 Bg2 c5 {23 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 a5 g3 d6 Bg2 c5 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 c5 Bxb4 cxb4 Nbd2 {-6 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 Bb4+ Bd2 c5 Bxb4 cxb4 e3 Nc6 {17 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 Bg5 Be7 e3 Ne4 Bxe7 Qxe7 {-21 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 Bg5 h6 {78 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 Bg5 Bd6 {19 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 Bg5 dxc4 {37 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Qd5
+ {-14 11 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Qd5
+ {-300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Nd7
+ {-24 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Nd7
+ {-300 8 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3 Be7 Bb5+ c6 Bd3
+ {-6 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3 Be7 Bb5+ c6 Bd3
+ Nxc3 bxc3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3 Be7 Bb5+ c6 Bd3
+ {-16 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 exd5 g3 {-16 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 d5 cxd5 exd5 g3 {8 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 g6 {-22 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb7 a3 g6 {32 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Bg5 Bb7 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ Bxc3+ bxc3 d6 Nd2 Nxg3 hxg3 Nd7 {-20 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Bg5 Bb7 e3 h6 Bh4 g5 Bg3 Ne4 Qc2
+ Bxc3+ bxc3 d6 Bd3 f5 {-114 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Qb3 c5 a3 Ba5 Bg5 {64 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Qb3 c5 a3 Ba5 Bg5 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 Nc3 Bb4 Qb3 Ba5 {13 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 dxc5 Bxc5 {-21 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 dxc5 Bxc5 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 dxc5 bxc5 Bf4 {23 11 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 {-30 10 0}
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+ Nf3 Nf6 c4 e6 d4 b6 a3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 a3 {-9 10 0}
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 e3 Bb7 Bd3 d5 O-O dxc4 Bxc4 a6 {-12 10 0}
+[White "unknown"]
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+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 e3 Bb7 Bd3 d5 O-O dxc4 Bxc4 a6 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 e3 Bb7 Bd3 d5 O-O Nc6 {3 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 e3 Bb7 Bd3 d5 O-O Nc6 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.03"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 Bf6 O-O {-7 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 Bf6 O-O {21 13 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Bb4+ Bd2 Bxd2+ Nbxd2 O-O O-O d6
+ {-11 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb7 Bg2 Bb4+ Bd2 Nc6 {37 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 Bg2 Be7 O-O O-O Nb3 {-16 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb7 Bg2 Bd6 {46 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb4 a3 {-7 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Nbd2 Bb4 Qb3 {62 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Qa4 Be7 Nc3 {46 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Qa4 Be7 Nc3 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 Qa4 Bb7 Bg2 {20 10 0}
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+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O Nc3
+ d5 {-1 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O Nc3
+ Nc6 {-17 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Nc3 O-O Bg2 {56 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Nc3 O-O Bg2 Bb7 O-O
+ {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Nc3 {15 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3 d5 Nbd2
+ O-O O-O Qd6 {4 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3 d5 Ne5
+ Nfd7 Nxd7 Nxd7 Nd2 O-O O-O {17 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb4+ Bd2 Bxd2+ Qxd2 {2 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb4+ Bd2 Bxd2+ Qxd2 {300 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 b6 g3 Bb4+ Bd2 Bxd2+ Qxd2 Ba6 b3 d5 Bg2 {-45 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 Nc3 cxd4 Nxd4 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 Qa5
+ {15 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 Nc3 cxd4 Nxd4 Bb4 Nb5 O-O a3 Bxc3+ Nxc3 Qa5
+ {2 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Bf4 a6 a4 Bg7 e4 Bg4
+ a5 {65 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Bf4 a6 a4 Bg7 e4 O-O
+ Be2 Nh5 {28 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Bf4 a6 a4 Bg7 e4 O-O
+ Be2 Nh5 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 Nc4 O-O Bf4
+ Ne8 Qd2 Bxc3 Qxc3 {-18 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 Nc4 O-O Bf4
+ Ne8 Qd2 Bxc3 bxc3 b5 Nb2 f6 {40 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 Nd2 Bg7 Nc4 O-O Bf4
+ Ne8 Qd2 Bxc3 bxc3 b5 Nb2 f6 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 Qe7 {72 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 Qe7 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 e4 Bg7 Be2 O-O O-O
+ Re8 Nd2 a6 {-72 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Re1 {-24 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 c5 d5 d6 Nc3 exd5 cxd5 g6 g3 Bg7 Bg2 O-O O-O
+ Re8 Bf4 {46 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O Nbd7 Qc2 {-18 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O Nbd7 Qc2 {300 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O Nbd7 Qc2 {26 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O c6 {-9 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O c6 {3 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O c6 {-300 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 Qxc4 b5 Qc2
+ Bb7 Bd2 Be4 Qc1 {-33 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 Qxc4 b5 Qc2
+ Bb7 Bd2 Be4 Qc1 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 Qxc4 b5 Qc2
+ Bb7 Bd2 Be4 Qc1 Nc6 Be3 {128 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Qxc4
+ Bc6 Bf4 Nbd7 Nc3 Nb6 Qd3 {-1 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Be7 Bg2 O-O O-O dxc4 Qc2 a6 a4 Bd7 Qxc4
+ Bc6 Bf4 Nd5 {5 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ {-2 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ Bd2 {300 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 Bb4+ Bd2 {2 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {-19 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 a6 {37 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O Nc6 Qa4 Bd7 Qxc4 cxd4
+ Nxd4 Rc8 Nc3 Qa5 {-31 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O Nc6 Qa4 Bd7 Qxc4 cxd4
+ Nxd4 Rc8 Nc3 Qa5 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 d4 d5 g3 dxc4 Bg2 c5 O-O Nc6 Qa4 Nd7 {26 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {-16 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 Be7 O-O O-O b3 Nc6 {11 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Bd6 {-20 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 Nb6 {33 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Re8 f3 Ne5 {213 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Be3 exd4 Nxd4
+ Ne5 {13 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 {22 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Nbd7 O-O e5 Re1 c6 Bf1
+ {20 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 O-O Nc6 {-29 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 O-O Nc6 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 Bg4 O-O Nc6 {16 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ Nc6 d5 Ne7 O-O {92 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ Nc6 d5 Ne7 O-O {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4
+ c6 {-84 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Bg4 {44 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Bg4 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8
+ Bg5 Re8 Nd5 Nxd5 cxd5 {-85 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 {-23 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 Nbd7 O-O Nb6 {16 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 Nbd7 h3 Nc5
+ Qc2 {-10 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {7 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 d5 a5 Bg5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {534 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Na6 dxe5 {28 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {-7 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 Bc1 exd4 {-46 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5
+ f6 Bc1 exd4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 Rb1 f5 b4 Kh8 {-3 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 Rb1 f5 b4 Kh8 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2
+ a5 a3 Nd7 Rb1 f5 b4 Kh8 Qc2 axb4 {23 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Nd3 {-40 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 Nd3 {-300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Be3 f5 f3 f4 Bf2 g5 {37 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 Qb3 {-5 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1
+ Nd7 Nd3 f5 Bd2 Nf6 f3 f4 c5 Bd7 {30 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ c5 Nf4 Bxf4 exf4 Qb3 {-4 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ c5 f5 {13 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5
+ c5 f5 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 a5 {-50 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 {27 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 Bg7 e4 d6 d4 O-O h3 e5 d5 Na6 Be3 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 d4 Nxc3 bxc3 c5 e3 Bg7 Qb3 O-O
+ {-17 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Ba3 {29 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O Nxd5 {31 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bf4 O-O e3 c6 h3 Qb6 a3 {29 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 exd5
+ Qe3+ Kf8 Qf4 Bf6 {-1 14 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 exd5
+ Qe3+ Kf8 Qf4 Bf6 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 h6
+ {16 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Na6 Be2 c5 d5
+ {5 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ Qb3 Nb6 {-23 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7
+ O-O-O Nc6 h3 {22 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {29 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Qa5
+ Bd2 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Be3 Nc6
+ {4 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5 Rb1 O-O
+ Be2 Nc6 e5 {-19 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 Be2 {29 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 Be2 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 Nc3 d5 e3 O-O cxd5 Nxd5 Bc4 Nb6 Bb3 Nc6
+ {43 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d6 O-O Nbd7 e4 {54 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 c6 Nc3 d5 cxd5 Nxd5 {53 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Na4 Qa6 {-3 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Na4 Qb4 {-53 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 c6 h3 Qb6
+ c5 dxc5 dxe5 Ne8 Na4 Qb4 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 b3 {-8 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 b3 {43 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 e4 exd4 Nxd4
+ Ne5 b3 {-300 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Nxd4
+ Ne5 {-8 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nbd7 O-O e5 h3 exd4 Nxd4
+ Nb6 {28 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 e5 {-22 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O a6 h3 e5 {20 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 {-15 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 Nc6 O-O e5 d5 Ne7 e4 Bd7
+ {14 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {55 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d6 Nc3 c6 O-O Qa5 {20 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ Be3 {-35 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 d4 Bg7 g3 O-O Bg2 d5 cxd5 Nxd5 O-O Nb6 Nc3 Nc6
+ d5 {26 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 c4 g6 g3 Bg7 Bg2 O-O O-O d6 Nc3 e5 d4 Nc6 d5 Na5 {12 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 c5 d5 b5 c4 bxc4 Nc3 {12 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 c5 d5 b5 c4 bxc4 Nc3 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 c5 d5 b5 c4 Qa5+ {39 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 b6 {49 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 b6 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 Be7 Be2 {14 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d6 c4 Nbd7 Nc3 e5 e4 Be7 Be2 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Bxf3 gxf3 c5 Qxb7 Nbd7
+ Nc3 cxd4 exd4 Bd6 {-13 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 Bg4 Bxc4 e6 Qb3 Qc8 {23 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 dxc5
+ {-43 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Nc3
+ Nbd7 Rd1 Qc7 e4 cxd4 Nxd4 b4 {-124 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Bd6 {15 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1
+ Qc7 {52 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nbd2 Nc6 a3 {33 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 c4 dxc4 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5
+ Nbd2 Nc6 b3 {4 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 e3 e6 Nc3 {-15 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 d5 e3 Nc6 {31 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 Bf4 d5 Nc3 {-4 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 Bf4 Nc6 {24 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 Qb6 Bxf6 gxf6 b3 {-11 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 Qb6 Bxf6 gxf6 b3 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 Bg5 c5 e3 cxd4 {-27 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bd2 {-5 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 Bg5 h6 Bxf6 Qxf6 e4 Nc6 {42 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-14 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 e3 c5 Bd3 Nc6 {-13 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 O-O Be7 Nc3 {-17 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 O-O Be7 Nc3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 b6 Bg2 Bb7 O-O Nc6 {-24 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O c5 Bg5 {111 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O c5 Bg5 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 b5 Bg2 Bb7 O-O Na6 {0 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 {-7 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 O-O Qb6 {0 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 e6 g3 c5 Bg2 Nc6 O-O Qb6 {-300 9 0}
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {39 11 0}
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+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {22 10 0}
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Nc3 d5 Bf4 Bg7 e3 {-300 9 0}
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+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {57 8 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 Nh5 {300 8 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Bf4 Bg7 e3 d5 {46 10 0}
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 Bg4 {72 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 h6 {5 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 d5 e3 h6 {-300 11 0}
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O e4 {-13 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 Bg5 Bg7 Nbd2 O-O e4 {10 10 0}
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bf4 {23 10 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 c3 Bg7 Bg5 d5 {11 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 c3 bxc3 {-15 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 c3 bxc3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 d4 g6 g3 Bg7 Bg2 O-O O-O d5 c4 dxc4 Na3 c5 {39 12 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 d4 Be7 Nc3 {-8 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 b6 Bg2 Bb7 O-O Nc6 {18 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d4 {-4 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d4 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bf5 d3 Nbd7 Nbd2 {34 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O Bg4 d4 Nbd7 Nc3 {-4 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 d5 Bg2 c6 O-O {63 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 Nc3 {-8 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 Nc3 {-300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 O-O {7 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 Nf6 g3 g6 b3 Bg7 Bb2 O-O Bg2 d5 O-O {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 Nf6 Nc3 Bg7 e4 O-O {-27 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 c4 g6 d4 cxd4 Nxd4 {18 11 0}
+[White "unknown"]
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+ Nf3 c5 e4 Nc6 Nc3 Nf6 d4 cxd4 Nxd4 d6 Be2 e5 Nxc6 {-12 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 Nc3 e5 Bc4 Bd6 {13 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 Nc3 e5 Bc4 Bd6 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O Nge7 Ba4 {2 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 Bb5 e6 O-O Nge7 Nc3 Ng6 {-61 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 e5 Nd5 Nc3 Nc7 Ba4 {-15 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 Bb5 g6 O-O Bg7 Re1 Nh6 {17 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nc3 e6 Ndb5 {144 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nc3 e6 Ndb5 {300 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Qc7 Nc3 Nf6 {39 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 e5 Nxc6 {-28 11 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be3 Ng4 Bb5 Nxe3 fxe3 Bd7
+ O-O {-5 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {-6 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 {300 9 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 Bd7 Be2 Qa5 Bxf6 gxf6
+ O-O Rg8 {7 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 a5 Bb5 {-43 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ Nb3 {32 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ f4 h6 Bh4 Qa5 {0 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 Be7 O-O-O O-O
+ f4 h6 Bh4 Qb6 Bf2 {50 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 Nf3 b5 e5 b4 exd6 {-37 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 Be7 Nf3 h6 {55 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 b5 e5 {-23 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O Bd7
+ f4 b5 Bxf6 gxf6 Kb1 b4 {49 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Bf4 Bd7 Nxc6 Bxc6 f3 {-34 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Bf4 Bd7 Nxc6 Bxc6 f3 {3 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {-42 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bg5 e6 Qd2 a6 O-O-O h6
+ Be3 Be7 {29 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 e5 Nf3 Be7 {-9 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 e5 Nf3 Be7 {15 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 e5 Nf3 Be7 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bd7 Be3 Bg7
+ f3 {-21 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bd7 {5 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Be2 g6 O-O Bd7 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 {-1 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 Qc7
+ f4 {-9 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 Qb6 Nb3 e6 Be3 Qc7
+ f4 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 e6 Be3 Be7 Qe2 Nxd4
+ {-12 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 d6 Bc4 e6 Be3 Be7 Qe2 Bd7
+ {22 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Be6 {23 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Bg5 Be2 {20 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Bg5 Be2 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Bxf6 gxf6 Nd5 f5 Bd3 Be6 O-O Bg7 c4 {-5 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Bxf6 gxf6 Nd5 f5 Bd3 Be6 O-O Bh6 {72 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Ndb5 d6 Bf4 e5 Bg5 a6 Na3
+ b5 Bxf6 gxf6 Nd5 f5 Bd3 Be6 O-O Bh6 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O b5 Nxc6
+ Qxc6 {-8 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bd6
+ Nxc6 {20 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Na4 O-O Nxc6 bxc6 Nb6 Rb8 Nxc8 Rfxc8 Bxa6 Rd8 {-28 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 Be2 a6 O-O Nf6 Be3 Bb4
+ Nxc6 {25 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Be7 Be3
+ {0 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Nxd4
+ Qxd4 Bc5 Bf4 d6 Qd2 O-O {20 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 {41 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 Be2 Nge7 {22 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 d6 {-10 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 a6 g3 Qb6 {24 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 Be2 Be7 O-O O-O
+ Nxc6 {-6 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 {27 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nc3 d6 Be3 Nf6 f4 {300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 f4 {-36 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 f4 {300 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2
+ O-O O-O b6 Be3 Bb7 Qb3 Nd7 {16 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Be2 {24 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 Bg5 {30 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 Na5
+ {255 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 Na5
+ {300 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 b6
+ {60 13 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {0 13 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4
+ Qd1 Nc6 {37 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 Nxc6
+ {2 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O
+ Nxd4 {30 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Be2 Bg7
+ c5 {66 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Be2 Bg7
+ c5 {300 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 Be2 Bg7
+ O-O O-O Qd3 Be6 Bd2 Nd7 b3 {20 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ c5 {-41 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7
+ O-O O-O Qd3 Be6 Bd2 {47 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 a6 Nc3 b5 {124 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 a6 Nc3 b5 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 a6 Nc3 Nc6 {3 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Be2 Be7 O-O O-O f4
+ Nbd7 {-38 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e6 Qd2 {36 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Be7 Be2 O-O {0 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nb3 Be6 Qd2 Nc6 {47 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 Be7 Nd5 {-8 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be3 e5 Nf3 {-113 13 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 e5 dxe5 fxe5 Nfd7 {-55 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1
+ Qa3 f5 h6 {-32 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {-87 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O
+ Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 {17 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 {14 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e6 f4 Be7 O-O O-O Kh1
+ Qc7 a4 Nc6 Be3 Bd7 {25 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {-2 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {10 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Be2 e5 Nb3 Be7 O-O O-O Be3
+ {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qd3
+ {-4 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qd3
+ {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 Bc4 e6 Bb3 b5 O-O Be7 Qf3
+ Bb7 {6 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 Nc6 Bc4 {18 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 a4 e5 Nf3 Qa5 {42 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Be2 {-23 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 Qc7 Bd3 Nc6 Nxc6 {31 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 Nbd7 Be3 {-27 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 Nbd7 Be3 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e6 Qf3 e5 {35 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e5 Nf3 Nbd7 a4 Be7 a5
+ {-42 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e5 Nf3 Nbd7 a4 Be7 a5
+ {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 f4 e5 Nf3 Nbd7 a4 Qa5 {47 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 e5 Nb3 Be7 f3 {-18 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 a6 g3 Nc6 {36 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Nxc6
+ {-15 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Nxc6
+ {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 Be2 Be7 O-O O-O f4 Nc6 Kh1
+ Qb6 Ndb5 Qd8 Be3 a6 Nd4 Bd7 Qe1 Nxd4 Bxd4 Bc6 Qg3 g6 {23 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Nc6 h4
+ {11 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Nc6 h4
+ {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 g5 hxg5 Bxg5 Nc6 Qd2
+ Bd7 {28 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 h4 Nc6 Rg1 h5 g5 {-5 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 h4 Nc6 Rg1 h5 g5 {-5 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 e6 g4 h6 h4 Nc6 Rg1 h5 g5 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nxd4 Bxd4 {300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nxd4 Bxd4 {420 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O Bc4
+ Bd7 h4 Nh5 {146 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O O-O-O
+ Nxd4 Bxd4 Be6 Nd5 Bxd5 exd5 Qc7 Re1 {-21 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be3 Bg7 f3 Nc6 Qd2 O-O O-O-O
+ Nxd4 Bxd4 Be6 g4 Qa5 a3 Rfc8 h4 Bc4 {60 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Be3 Nc6
+ f3 d5 {0 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Be3 Nc6
+ f3 d5 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Nc3 Nf6 d4 cxd4 Nxd4 g6 Be2 Bg7 O-O O-O Be3 Nc6
+ Qd2 Ng4 Bxg4 Bxg4 Nxc6 bxc6 Bh6 Qb6 {14 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 c3 a6 {-10 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Nd7 d4 a6 {11 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O Ngf6 Nc3 {61 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O Ngf6 Qe2 e6 b3 Be7 Bb2 O-O
+ c4 Kh8 {17 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O {-9 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nf6 e5 dxe5 Nxe5 {26 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Nc6 O-O Bd7 {-17 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Nc6 O-O Bd7 Nc3 Nf6 d4 cxd4 Nxd4 a6 {13 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 Bb5+ Nc6 O-O Bd7 Nc3 Nf6 d4 cxd4 Nxd4 a6 {-300 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 c3 Nf6 Be2 Nc6 {-13 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 c3 Nf6 Be2 Nc6 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 c3 Nf6 Be2 Nc6 {-41 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 d4 cxd4 Qxd4 Nc6 Bb5 e5 {-13 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 c4 {7 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 c4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 a6 d4 cxd4 Nxd4 Qc7 Bd3 Nf6 O-O b5 {283 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 a6 d4 cxd4 Nxd4 Qc7 Bd3 Nf6 O-O b5 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 a6 d4 cxd4 Nxd4 Qc7 Bd3 Nf6 O-O Bb4 {7 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 a6 g3 Nc6 d4 cxd4 Nxd4 d6 {-21 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 a6 g3 Nc6 d4 cxd4 Nxd4 d6 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 a6 g3 Nc6 {-6 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 d6 d4 cxd4 Nxd4 Nf6 Bg5 Be7 {98 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 Nc3 d6 d4 cxd4 Nxd4 Nf6 Be2 {16 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 c3 d5 exd5 exd5 d4 Nf6 Qe2+ {-78 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 c3 d5 exd5 exd5 {-106 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 d3 Nc6 g3 Nf6 {-12 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 d3 Nc6 g3 Nf6 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 d3 Nc6 g3 Nf6 {-36 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 d4 cxd4 Nxd4 a6 Bd3 Bc5 Nb3 Bd6 {-12 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 d4 cxd4 Nxd4 a6 Bd3 Bc5 Nb3 Ba7 O-O {22 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 d4 cxd4 Nxd4 a6 Bd3 Bc5 Nb3 Ba7 O-O {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ Nf3 c5 e4 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O d6 Nc3 Be7 {408 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
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+ cxd4 Nxd4 h6 Be3 Re8 a3 {-32 10 0}
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+ Bxc5 Bg5 d4 Ne4 Be7 Bxf6 {49 10 0}
+[White "unknown"]
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+ Ne7 h3 {-8 12 0}
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+[White "Crafty 20.14"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 Qc2 c5 dxc5 O-O Bf4 Na6 Bd6 Re8 O-O-O {300 10 0}
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+ {-7 9 0}
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+ Nc6 {61 12 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O Nc6 a3 Bxc3 bxc3
+ dxc4 Bxc4 Qc7 Qc2 {7 10 0}
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+ dxc4 Bxc4 Qc7 Bd3 e5 Qc2 g6 {-300 3 0}
+[White "unknown"]
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O dxc4 Bxc4 Nbd7
+ Qe2 cxd4 exd4 Nb6 {29 10 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O dxc4 Bxc4 Nbd7
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+ c4 Nf6 Nc3 e6 d4 Bb4 Nf3 c5 e3 O-O Bd3 d5 O-O dxc4 Bxc4 Nbd7
+ Qe2 cxd4 exd4 Nb6 {-300 11 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 e4 O-O O-O
+ e5 {14 10 0}
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+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 e4 O-O O-O
+ e5 {-300 10 0}
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Bd3 Nc6 Ne2 cxd4 exd4 d5 cxd5 Nxd5
+ O-O Qh4 {13 10 0}
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 c5 Ne2 cxd4 exd4 O-O a3 Be7 Qc2 {-40 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
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+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Bd3 d5 Nf3 b6 O-O Bb7 Bd2 dxc4 Bxc4
+ {-10 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Bd3 d5 Nf3 b6 O-O Bb7 Bd2 {-16 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Bd3 d5 Nf3 b6 O-O Bb7 Bd2 {-300 4 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 {-33 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Bd3 d5 a3 dxc4 Bxc4 Bd6 Nf3 Nc6 b4
+ {22 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Nf3 c5 Bd2 {-29 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Nf3 {18 10 0}
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+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Nf3 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Ne2 d5 a3 Be7 cxd5 Nxd5 e4 {14 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Ne2 d5 a3 Be7 cxd5 exd5 Nf4 {12 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 e3 O-O Ne2 d5 a3 Be7 cxd5 exd5 Nf4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 f3 d5 a3 Bxc3+ bxc3 c5 cxd5 Nxd5 Qd2 cxd4
+ {-13 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 f3 d5 a3 Bxc3+ bxc3 c5 cxd5 Nxd5 dxc5 Qa5
+ e4 Qxc3+ {44 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 Bb4 f3 d5 a3 Bxc3+ bxc3 c5 cxd5 Nxd5 dxc5 Qa5
+ e4 Qxc3+ {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Nbd7 e3 c6 Nf3 Qa5 Qb3 {40 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Nbd7 e3 c6 Nf3 Qa5 Qb3 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 dxc4 Bxf6
+ Nxf6 {16 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Be7 e3 h6 Bh4 O-O Qc2 {-3 8 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Be7 e3 h6 Bh4 O-O Qc2 {300 7 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Be7 e3 h6 Bh4 O-O Rc1 {-54 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Be7 e3 h6 Bh4 O-O Rc1 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Be7 e3 O-O Rc1 Nc6 {32 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Be7 e3 O-O Rc1 h6 Bh4 {52 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 Bg5 Be7 e3 O-O Rc1 h6 Bh4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 cxd5 exd5 Bg5 Be7 e3 O-O Bd3 Be6 {-9 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 cxd5 exd5 Bg5 Be7 e3 O-O Bd3 h6 {44 12 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 cxd5 exd5 Bg5 c6 e3 Bb4 {-3 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 d4 d5 cxd5 exd5 Bg5 c6 e3 Be6 {48 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 e4 c5 e5 {17 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 Nf6 Nc3 e6 e4 c5 e5 Ng8 Nf3 d6 exd6 {-76 12 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 e4 c5 e5 Ng8 Nf3 d6 exd6 {-300 11 0}
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+ c4 Nf6 Nc3 e6 e4 d5 cxd5 {41 10 0}
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e6 e4 d5 cxd5 exd5 e5 {-20 13 0}
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+ c4 Nf6 Nc3 e6 e4 d5 cxd5 exd5 e5 {300 12 0}
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+ c4 Nf6 Nc3 e5 Nf3 Nc6 d3 Bc5 {-2 11 0}
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 d3 Bc5 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 d3 Bc5 {7 12 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 d3 Bc5 {-300 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 e3 Bb4 Qc2 O-O Bd3 {33 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 e3 Bb4 Qc2 O-O Bd3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 e3 Bb4 Qc2 Ba5 {38 10 0}
+[White "unknown"]
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+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 Bb4 Nd5 e4 {-9 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 Bb4 Nd5 Ba5 {70 12 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 Bb4 Bg2 O-O O-O d6 {-9 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 Bb4 Bg2 O-O O-O d6 {-7 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 Bb4 Bg2 O-O O-O d6 {-300 9 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 a3 O-O
+ b4 {-22 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 Nf3 Nc6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 a3 Be6
+ b4 {4 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 g3 Bb4 Bg2 O-O a3 Bxc3 dxc3 {-38 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 e5 g3 Bb4 Bg2 O-O e4 Nc6 d3 d6 Nf3 Bg4 {-23 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 Nf3 h6 {90 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 Nf3 h6 {45 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Bf4 Re8 {64 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Be3 {11 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 Nbd7 Qd2 c5 d5
+ Kh7 {90 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 Na6 {23 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Bd3 Nc6 {-5 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Bd3 Nc6 {-108 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Nge2 O-O f3 c5 Be3 Nc6 dxc5 {-62 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 Nge2 Na6 {17 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 g4 {-18 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 h4 Bd7 {61 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 {50 9 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 {14 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 {-300 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 Bd7 {-23 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 Na6 {61 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 {45 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 Na6 {67 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3 {37 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3 {12 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Bg5 h6 Be3 e5 {59 13 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Bg5 h6 Be3 e5 {300 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Bg5 c6 Qd2 {58 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f3 O-O Bg5 c6 Qd2 {-300 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f4 O-O Nf3 c5 d5 e6 e5 {-24 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 f4 O-O Nf3 c5 d5 Na6 {22 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 h3 O-O Nf3 e5 d5 Na6 Be3 Nc5 Qc2 {-32 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 h3 O-O Nf3 e5 Be3 {-36 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 d6 h3 O-O Nf3 e5 Be3 {-300 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 O-O e5 Ne8 f4 d6 {-11 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 e4 O-O Nf3 d6 Be2 c5 d5 Na6 {16 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 g3 O-O Nf3 d5 cxd5 Nxd5 {-60 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 Bg7 g3 O-O Bg2 c6 {17 9 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 Bf4 Bg7 e3 O-O cxd5 {-42 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 Bf4 Bg7 e3 O-O Nf3 c6 h3 Qb6 a3 {28 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Bg4 f3 {-9 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Bg4 f3 {56 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Qc7 Rc1 {0 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Qc7 Rc1 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5 Ne2 Nc6
+ Be3 O-O O-O Qc7 Rc1 {51 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Qd7
+ {13 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 d4 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Qd7
+ O-O b5 {34 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O d4 Nc6 {-14 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O d4 c6 Nf3 d5 cxd5 Nxd5 {-52 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c6 Nc3 d5 e3 g6 Nf3 Bg7 Be2 O-O O-O Bf5 {-15 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 d4 c6 Nc3 d5 e3 g6 Nf3 Bg7 Be2 O-O O-O Bf5 {-300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c6 Nc3 d5 e3 g6 Nf3 Bg7 Be2 O-O O-O Qc7 {39 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c6 Nc3 d5 e3 g6 Nf3 Bg7 Bd3 O-O O-O a6 Bd2 Bg4 {37 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c6 Nc3 d5 e3 g6 Nf3 Bg7 Bd3 O-O O-O Na6 {28 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 Nf3 bxc4 Nc3 {19 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 Nf3 bxc4 Nc3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 Nf3 Qa5+ {43 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 e6 {48 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 e6 {69 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 bxa6 g6 Nc3 Bxa6 Nf3 Bg7 e4 Bxf1 Rxf1
+ {-5 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 bxa6 g6 Nc3 Bxa6 Nf3 d6 e4 Bxf1 Kxf1
+ Bg7 h3 Nfd7 {47 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 e3 d6 Nf3 {199 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 b5 cxb5 a6 e3 e6 Nc3 {50 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Bd3 O-O Nf3 Bg4 {47 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Bd3 O-O Nf3 Bg4 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Bd3 O-O Nf3 Na6 {36 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Nf3 O-O Be2 e6 O-O exd5 cxd5
+ Bg4 Qb3 {-4 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Nf3 O-O Be2 e6 O-O exd5 cxd5
+ Bg4 Qb3 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Nf3 O-O Be2 e6 O-O exd5 cxd5
+ Qe7 {32 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 d6 Nc3 g6 e4 Bg7 Nf3 O-O Be2 e6 O-O exd5 cxd5
+ Qe7 {-300 12 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 e5 Nc3 d6 e4 Be7 Nf3 O-O a3 {47 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 c5 d5 e5 Nc3 d6 e4 Be7 Nf3 {15 10 0}
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+[Date "2008.07.04"]
+ c4 Nf6 d4 d6 Nc3 Nbd7 e4 e5 Nf3 b6 {48 10 0}
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+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 d6 Nc3 Nbd7 e4 e5 Nf3 Be7 {14 11 0}
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+[Date "2008.07.04"]
+ c4 Nf6 d4 d6 Nc3 Nbd7 e4 e5 Nf3 Be7 Be2 {300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 Bb4+ Bd2 Nc6 {0 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 Bb4+ Bd2 Bxd2+ Qxd2 {21 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 c5 Nf3 cxd4 Nxd4 Bb4+ Nc3 O-O Bg2 Bxc3+ {11 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 c5 Nf3 cxd4 Nxd4 Bb4+ Nc3 O-O Bg2 Bxc3+ {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 c5 Nf3 cxd4 Nxd4 d5 Bg2 dxc4 {16 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 c5 d5 exd5 cxd5 d6 Nc3 {22 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 c5 d5 exd5 cxd5 d6 Nc3 g6 Bg2 Na6 {13 9 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 c5 d5 exd5 cxd5 d6 Nc3 g6 Bg2 Na6 {-300 9 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 d4 e6 g3 d5 Bg2 dxc4 Qa4+ Bd7 Qxc4 Bc6 Nf3 Bd5 Qa4+ {-12 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
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+ c4 Nf6 d4 e5 dxe5 {300 9 0}
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+ c4 Nf6 d4 e5 dxe5 {-371 9 0}
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+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 Nf6 d4 g6 g3 Bg7 Bg2 d5 cxd5 Nxd5 Nc3 {12 10 0}
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+[Date "2008.07.04"]
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+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 Nf6 d4 g6 g3 c6 Nf3 d5 cxd5 cxd5 Bg2 Nc6 Nc3 Qb6 {17 9 0}
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+ c4 Nf6 g3 c6 Nc3 {96 11 0}
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+ c4 Nf6 g3 c6 Nc3 {300 11 0}
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+[Date "2008.07.04"]
+ c4 Nf6 g3 c6 Nf3 Na6 {27 10 0}
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+[Date "2008.07.04"]
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+ c4 b6 Nf3 Nf6 g3 Nc6 {85 11 0}
+[White "unknown"]
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+ c4 c6 d4 d5 e3 Nf6 Nc3 e6 Nf3 Be7 Bd3 {73 11 0}
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+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 c6 d4 d5 e3 Nf6 Nf3 Bf5 cxd5 cxd5 Qb3 Qc8 Bd2 Nc6 {21 12 0}
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+[Date "2008.07.04"]
+ c4 c6 e4 d5 exd5 cxd5 cxd5 Nf6 Nc3 {-49 10 0}
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 Nc6 Bg5 dxc4 d5 Ne5 Qd4 Nd3+
+ Bxd3 cxd3 Nf3 {28 10 0}
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+[Date "2008.07.04"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Be7 cxd5 Nxd5 Bd3 Nc6
+ O-O O-O Re1 {9 11 0}
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+[Date "2008.07.04"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Be7 cxd5 Nxd5 Bd3 Nc6
+ O-O O-O Re1 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Be7 cxd5 Nxd5 Bd3 Nc6
+ O-O O-O Re1 {27 11 0}
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+[Date "2008.07.04"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Bd2 O-O
+ Bd3 Nc6 O-O Be7 a3 {-5 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 c6 e4 d5 exd5 cxd5 d4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Bd2 Nc6
+ Bd3 Nf6 Ne4 {-1 12 0}
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+[Date "2008.07.04"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 c5 Nc3 Nc6 Nf3 Nf6 d4 cxd4 Nxd4 d6 {48 10 0}
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+[Date "2008.07.04"]
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+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 Nf3 d6 O-O Nf6 {18 11 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
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+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 a3 Nf6 {9 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
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+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ c4 c5 Nc3 g6 g3 Bg7 Bg2 Nc6 e3 Nf6 {10 11 0}
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+[Date "2008.07.04"]
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+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 e6 Nc3 d5 d4 Be7 cxd5 exd5 Bf4 c6 e3 {-27 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 e6 Nc3 d5 d4 Be7 cxd5 exd5 Bf4 c6 e3 Bf5 Nge2 Qb6 {20 13 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 Nf6 Nf3 Nc6 {14 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 {14 10 0}
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+ c4 e6 d4 Bb4+ Bd2 Bxd2+ Qxd2 {-300 10 0}
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+[Date "2008.07.04"]
+ c4 e6 d4 f5 g3 Nf6 Bg2 Be7 Nf3 O-O Nc3 d6 O-O Qe8 Bd2 {63 11 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ c4 e6 d4 f5 g3 Nf6 Bg2 Be7 Nf3 d6 O-O {15 10 0}
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+ c4 e5 Nc3 Nc6 Nf3 f5 d4 {300 12 0}
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+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1 a5 Nf3 d6 d3 Nf6 O-O O-O Qb3
+ {-15 9 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1 a5 Nf3 d6 d3 Nf6 O-O O-O Qb3
+ {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1 d6 b4 Nge7 {9 11 0}
+[White "unknown"]
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+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6 O-O O-O {-50 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 Nf6 Nf3 O-O O-O d6 {8 8 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 Nge2 Nf6 {33 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 Nge2 Nf6 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 Nge2 Nge7 d4 {23 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 e5 Nc3 Bb4 {-56 11 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
+ c4 e5 Nc3 Bb4 {28 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ c4 e5 Nc3 d6 g3 g6 d4 Nc6 d5 Nce7 {77 10 0}
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+[Date "2008.07.04"]
+ c4 e5 Nc3 d6 g3 g6 d4 Nc6 d5 Nce7 {300 10 0}
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+[Date "2008.07.04"]
+ c4 e5 Nc3 d6 g3 Nc6 Bg2 Nf6 d3 {37 12 0}
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+ c4 e5 g3 Nf6 Bg2 Bc5 {-10 10 0}
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+[Black "unknown"]
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+[White "unknown"]
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+[Date "2008.07.04"]
+ c4 f5 d4 e6 Nc3 Nf6 Nf3 Bb4 Bd2 {30 11 0}
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+[Date "2008.07.04"]
+ c4 f5 d4 e6 Nc3 Nf6 Nf3 Bb4 Bd2 {300 11 0}
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+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 f5 d4 e6 Nc3 Nc6 {20 11 0}
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+ c4 g6 Nc3 Bg7 d4 d6 e4 e5 d5 {121 11 0}
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+[Date "2008.07.04"]
+ c4 g6 Nc3 Bg7 d4 d6 e4 e5 dxe5 Bxe5 {29 10 0}
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+ c4 g6 Nc3 Bg7 d4 d6 e4 e5 dxe5 Bxe5 {-300 9 0}
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+[Date "2008.07.04"]
+ c4 g6 Nc3 Bg7 g3 Nf6 Bg2 O-O d4 Nc6 Nf3 d6 O-O Bf5 d5 Na5 Nd4
+ Bd7 Qd3 c5 {-13 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ c4 g6 Nc3 Bg7 g3 Nf6 Bg2 d6 Nf3 c6 {14 11 0}
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+[Date "2008.07.04"]
+ c4 g6 g3 Bg7 Bg2 Nf6 Nc3 O-O d4 Nc6 {-29 12 0}
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+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 g6 g3 Bg7 Bg2 Nc6 Nf3 Nf6 O-O d5 cxd5 Nxd5 d4 Nb6 e3 O-O Nc3
+ {2 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ c4 g6 g3 Bg7 Bg2 Nc6 Nf3 Nf6 O-O d5 cxd5 Nxd5 d4 Nb6 e3 O-O Nc3
+ {300 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ d4 Nf6 Nc3 d5 Bg5 e6 e4 dxe4 Nxe4 Be7 Bxf6 Bxf6 Nf3 O-O Bc4 Be7
+ {11 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 Nf6 Nc3 d5 Bg5 Bf5 e3 {1 11 0}
+[White "unknown"]
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+ d4 Nf6 Bg5 Ne4 Bf4 d5 f3 Nf6 g4 {-24 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 Nf6 Bg5 Ne4 Bf4 g5 {28 9 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ d4 c5 d5 Nf6 Nc3 {0 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ d4 c5 d5 Nf6 Nc3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
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+ d4 c5 d5 Nf6 Nc3 d6 e4 {144 12 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ d4 d6 c4 e5 Nf3 Nd7 Nc3 g6 dxe5 {-5 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 c4 e5 Nf3 exd4 Nxd4 Bd7 {14 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 c6 Nf3 e6 {45 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 c6 Nf3 Bg4 h3 Bxf3 {35 10 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 Be3 Bg7 Nf3 O-O Be2 {-7 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 Be3 Nc6 {31 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 Bg5 Bg7 e5 {-14 9 0}
+[White "unknown"]
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+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 Bg5 Bg7 e5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 Bg5 h6 {26 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 dxc5 Qa5 e5 {-11 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 dxc5 Qa5 Bd3 Qxc5 Qe2 O-O Be3
+ {133 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Na6 {61 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Na6 {65 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Nc6 {-7 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Nc6 O-O Bg4 Be3 {18 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O Nge2 e5 O-O exd4 {-15 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O Nge2 e5 O-O exd4 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ d4 d6 e4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O Nge2 e5 O-O Nc6 {32 11 0}
+[White "unknown"]
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+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7 Ng5 e6 f4 h6 {7 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 e6 {-12 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 Bf5 {-6 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 d4 {179 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 d4 {-111 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 d4 {-300 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 Nc3 d5 Nf3 dxe4 Nxe4 Nf6 Nxf6+ exf6 d4 Bg4 {11 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 Nc3 d5 Nf3 dxe4 Nxe4 Nf6 Nxf6+ exf6 d4 Bg4 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 Nc3 d5 Nf3 dxe4 Nxe4 f5 {-13 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 Nc3 d5 Nf3 dxe4 Nxe4 f5 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d3 d5 Nd2 e5 Ngf3 Bd6 Qe2 Nf6 {-66 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d3 d5 Nd2 e5 Ngf3 Bd6 {19 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d3 d5 Nd2 e5 Ngf3 Bd6 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6 {5 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6 N1f3 {0 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bb3 h6
+ N5f3 a5 c3 {37 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bb3 h6
+ N5f3 a5 a3 a4 Bc4 {10 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bd3 h6
+ N5f3 c5 dxc5 Bxc5 Ne5 Nbd7 Ngf3 Qc7 O-O {-12 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bd3 h6
+ N5f3 c5 dxc5 Bxc5 Ne5 Nbd7 Ngf3 Qc7 O-O {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bd3 h6
+ N5f3 c5 dxc5 Bxc5 Ne5 Nbd5 {31 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bd3 h6
+ N5f3 c5 dxc5 Bxc5 Ne5 Nbd5 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 Bc4 {63 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 c3 Bg4 h3 {44 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nf3 Nd7 Nh4 {2 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nf3 Nd7 Bd3 Ngf6 O-O e6
+ c4 Be7 Re1 {31 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Qc7 Bd2 O-O-O {1 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O Ngf6 Ne4 O-O-O g3 Nxe4 Qxe4 Nf6 Qe2
+ {55 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Ngf6 O-O {-15 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 Ngf6 Bd2 e6 O-O-O Bd6 {42 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 e6 Bd2 Qc7 O-O-O {-4 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3
+ Bxd3 Qxd3 e6 Bd2 Ngf6 O-O-O Ng4 {32 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Nf3 Bf5 {-12 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Nf3 Bf5 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Nf3 Bg4 Be2 {28 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 Nf3 Bd6 {3 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 Nf3 Bd6 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 Bc4 {50 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 exd5 cxd5 Bd3 Nf6 Nf3 {-3 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 exd5 cxd5 Bd3 Nf6 Nf3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 {52 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 e5 Bf5 Nc3 e6 g4 Bg6 Nge2 Qh4 {19 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 e5 Bf5 Nc3 e6 g4 Bg6 Nge2 Nd7 {43 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 Nd7 Nc3 {-25 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 Nd7 O-O {32 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 Nge2 e5 Ng3 {-11 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 Nge2 e5 Nd5 Nf6 {12 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 f4 e6 Nf3 d6 Bb5 {3 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 f4 e6 Nf3 d5 {16 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e5 {-16 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 Nf6 {33 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Bd2
+ Nd4 {101 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Bd2
+ Nd4 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3
+ Qb6 {12 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 d6 f4 Nc6 Nf3 Nd4 {85 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 d6 f4 Nc6 Nf3 Nd4 {-300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 d6 f4 Nc6 Nf3 Nf6 {28 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 d6 g3 Nc6 {-26 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 Nc3 d6 g3 Nc6 {24 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Ne2 Nf6 Nbc3 d5 exd5 Nxd5 Nxd5 Qxd5 {26 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 Ne2 Nf6 Nbc3 d5 exd5 Nxd5 Nxd5 Qxd5 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 Ne2 Nf6 Nbc3 e5 {45 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 Nc6 cxd4 d6 Na3 {28 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 Nc6 cxd4 d6 Na3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 Nc6 cxd4 d6 Bc4 Nb6 Bb5 a6 Bxc6+
+ bxc6 Nc3 {52 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3 Bg4 Be2 cxd4 cxd4 Nc6 Nc3 Qa5
+ O-O e6 a3 {145 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 c3 d5 exd5 Qxd5 d4 e6 Nf3 Nf6 Na3 Nc6 Nb5 Qd8 dxc5 Bxc5
+ Qxd8+ Kxd8 Bg5 Ke7 {-12 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 c3 d5 exd5 Qxd5 d4 e6 Nf3 Nf6 Bd3 cxd4 cxd4 Bb4+ Nc3 Qd8
+ O-O Nc6 a3 {33 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 c3 e6 d4 d5 exd5 Qxd5 Nf3 Nf6 Na3 a6 Nc4 Nbd7 Bf4 b5 Ne3
+ Qc6 {-12 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 c3 e6 d4 d5 exd5 Qxd5 Nf3 Nf6 Bd3 cxd4 cxd4 Be7 Nc3 Qd6
+ Be3 a6 O-O {7 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 d4 cxd4 {-8 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 d4 cxd4 {19 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 c5 f4 d5 e5 Nc6 {-13 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 c5 f4 e5 {70 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bg4 {269 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bg4 h3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Nc6 Bb5 Bd7 O-O {130 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 d5 exd5 Nf6 d4 Nxd5 c4 Nf6 {-16 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 d5 exd5 Nf6 d4 Nxd5 c4 Nf6 {18 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e6 d3 d5 Nd2 c5 exd5 {-39 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e6 d3 d5 Nd2 Nc6 {9 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Be7 d4 O-O Bd3 {-11 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3 Nxc3 {34 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Bc4 Nf6 d3 c6 Nf3 Be7 Nc3 {-21 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Bc4 Nf6 d3 d5 exd5 Nxd5 Nf3 Nc6 O-O Bg4 h3 Bh5 Nbd2 {-9 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Bc4 Nf6 d3 d5 exd5 Nxd5 Nf3 Nc6 O-O Bg4 h3 Bh5 Nbd2 {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Bc4 Bc5 Nxe5 Qe7 {55 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ba4 c6 Nxe5 {63 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7
+ Kh1 {13 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7
+ Kh1 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 h6
+ Bh4 g5 {46 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5
+ Qe7+ Qe2 Qxe2+ Bxe2 {1 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5
+ Qe7+ Qe2 Qxe2+ Kxe2 cxd5 Nb5 Kd8 Bg5 {21 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5
+ Qe7+ Qe2 Qxe2+ Kxe2 cxd5 Nb5 Kd8 Bg5 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O Nf6 {-43 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bd6 {0 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bd6 {-300 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 d6 {-23 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 d6 b4 Bb6 O-O a6 Nbd2 {2 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5 Qh5 {-2 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O O-O Nc3 {-34 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O O-O Nc3 {300 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O O-O Bb3 d5 exd5 Nxd5 h3 {21 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 Nxd4 {-25 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 e5 Ne4 {57 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 e5 Ne4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O {10 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O {-8 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Nf6 d4 exd4 e5 {-8 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+ e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Nf6 d4 exd4 e5 {300 10 0}
+[White "Crafty 20.14"]
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
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+[Date "2008.07.04"]
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+ Nb7 Nc3 {26 9 0}
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+ Kxd8 Rd1+ Ke8 Nc3 {-12 11 0}
+[White "unknown"]
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+[Date "2008.07.04"]
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+ e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5 Nb3 Qxd1
+ Rxd1 Bd6 Na5 b5 c4 Ne7 Be3 f5 Nc3 {-99 12 0}
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+ {47 11 0}
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+ {21 10 0}
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+ {-300 10 0}
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+ {300 11 0}
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+ {140 11 0}
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+ Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Bf5
+ {300 11 0}
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+ Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Nxe3
+ Rxe3 Rae8 {89 12 0}
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 Bd7 d4 O-O Nbd2
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 Bd7 d4 O-O Nbd2
+ b5 Bb3 {300 8 0}
+[White "unknown"]
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2
+ Nc5 c3 Bg4 Bc2 Be7 h3 Bh5 {-20 10 0}
+[White "Crafty 20.14"]
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2
+ Nc5 c3 g5 {19 10 0}
+[White "Crafty 20.14"]
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+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2
+ Nc5 c3 g5 {-300 10 0}
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+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2
+ Be7 c4 {-88 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2
+ {-16 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2
+ {-300 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3
+ Be7 Nbd2 O-O Nd4 Nxd4 cxd4 Nxd2 Bxd2 c5 dxc5 Bxc5 Rc1 Rc8 Rxc5
+ Rxc5 Bb4 Rc8 {-16 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3
+ Be7 Nbd2 O-O Re1 Nc5 Nf1 Nxb3 axb3 {2 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3
+ Bc5 Nbd2 O-O Bc2 Bf5 Nb3 Bg6 Nxc5 {-6 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3
+ Bc5 Nbd2 O-O Bc2 Bf5 Nb3 Bb6 {20 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 {-46 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 {5 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 d4 b5 Bb3 Bg4 c3 Be7 d5 {-15 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 Re1 b5 Bb3 Bg4 c3 {33 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6 d4 exd4 Qxd4 Nf6 Bg5 {-10 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6 d4 exd4 Qxd4 Nf6 Bg5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6 d4 exd4 Qxd4 {118 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 {158 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 Nf6 Nbd2 {28 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Bd7 Nc3 {-1 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Bd7 Nc3 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Bd7 d4 {63 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 d6 d4 Bd7 d5 Nce7 {1 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 d6 d4 exd4 Nxd4 Bd7 Nc3 Nf6 O-O Nxd4 {54 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 Nf6 Qe2 Qe7 Qd3 {-35 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 a6 {43 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 g6 c3 Nf6 {128 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 Bb5 g6 c3 Nf6 {40 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 Ng5 Nh6 Nxf7 Nxf7 Bxf7+ Kxf7 Qh5+
+ g6 Qxc5 d6 Qb5 Re8 {-70 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 d4 exd4 Bc4 Nf6 Ng5 {-8 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 f4 {-51 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Bc4 Ne5 Be2 d5
+ {24 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Bc4 Ne5 Be2 d5
+ {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 Nc3 Bb4 Qd4 {-44 8 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 Bd3 d5 e5 Ng4 Bf4 Bc5
+ O-O Qe7 {47 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2 Qe7 d3 Nf6 Bg5 Qxe2+ Bxe2
+ Be7 Nc3 Bg4 Nd4 Bxe2 Ncxe2 O-O {-1 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2 Qe7 d3 Nf6 Bg5 Qxe2+ Bxe2
+ Be7 Nc3 h6 Be3 Nc6 O-O {7 12 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2 Qe7 d3 Nf6 Bg5 Qxe2+ Bxe2
+ Be7 Nc3 h6 Be3 Nc6 O-O {-300 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4
+ Bxe4 dxe4 Rxe4 Bxf3 Qxf3 Nxd4 {3 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 f5 c4
+ Nb4 {59 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 Be6 cxd5
+ Bxd5 Nc3 Nxc3 {0 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 c6 Qc2
+ f5 Qb3 Bc7 {28 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Bb4+ {1 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Qh4 {162 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 d6 d4 f5 dxe5 fxe4 Ng5 d5 {-46 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 Nf3 d6 d4 exd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Bg5 f6 Bh4 {25 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 d4 exd4 Qxd4 Nc6 Qe3 Nf6 Nc3 Bb4 Bd2 O-O Bd3 {-96 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 d4 exd4 Qxd4 Nc6 Qc4 {-48 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 f4 d5 exd5 exf4 Qe2+ {-101 13 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 f4 d5 exd5 Qxd5 {20 11 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 f4 exf4 Bc4 Nf6 d3 {-2 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 f4 exf4 Bc4 Qh4+ Kf1 Nc6 {21 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d5 exd5 {-4 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d5 exd5 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Qe7 d4 {61 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ f4 e5 fxe5 d6 Nf3 dxe5 Nxe5 Bd6 Nf3 Nf6 d4 {-21 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ f4 Nc6 {33 12 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ g3 c5 Nf3 Nf6 d3 {-21 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ g3 c5 Nf3 Nf6 d3 {300 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ g3 c5 Bg2 Nc6 Nf3 d5 d4 cxd4 {-9 10 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ g3 c5 Bg2 Nc6 Nf3 d5 d4 cxd4 {-300 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ g3 d5 Bg2 e5 d3 Nc6 c3 {-18 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ g3 d5 Bg2 e5 c4 {3 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ g3 e5 d4 {-38 11 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ g3 e5 Bg2 Nc6 {-83 10 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ g3 g6 Bg2 Bg7 d4 Nf6 {-4 9 0}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+ g3 g6 Bg2 Bg7 d4 Nf6 {300 9 0}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+ g3 g6 Bg2 Bg7 d4 d5 Nf3 {-55 11 0}
--- /dev/null
+
+/*
+ * INCLUDES
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <math.h>
+#include <sys/wait.h>
+
+
+/*
+ * GLOBALS
+ */
+
+int start_time;
+bool pipe_logging = false;
+int only_opening = -1;
+FILE *pgn_log = NULL;
+FILE *match_log = NULL;
+
+
+
+
+/*
+ * Misc
+ */
+
+void strip_newline(char *s)
+{
+ int i;
+
+ for (i = 0;; ++i)
+ {
+ if (!s[i] || s[i] == '\r' || s[i] == '\n')
+ {
+ s[i] = 0;
+ return;
+ }
+ }
+}
+
+void copy_result(char *to, char *from)
+{
+ int i;
+
+ for (i = 0; i < strlen(from); ++i)
+ if (from[i] == '0' || from[i] == '1')
+ break;
+ strcpy(to, &from[i]);
+ for (i = 0; i < strlen(to); ++i)
+ if (to[i] == '}')
+ break;
+ to[i + 1] = 0;
+}
+
+
+
+
+/*
+ * MyLock
+ */
+
+#include <pthread.h>
+#include <semaphore.h>
+
+class MyLock
+{
+public:
+ MyLock();
+ void get();
+ void release();
+
+private:
+ pthread_mutex_t the_lock;
+};
+
+MyLock::MyLock()
+{
+ pthread_mutex_init(&the_lock, NULL);
+}
+
+void MyLock::get()
+{
+ for (;;)
+ {
+ if (pthread_mutex_lock(&the_lock) == 0) // EBUSY??
+ break;
+ usleep(1);
+ }
+}
+
+void MyLock::release()
+{
+ pthread_mutex_unlock(&the_lock);
+}
+
+MyLock glock;
+
+
+
+
+/*
+ * Settings
+ */
+
+class Settings
+{
+public:
+ Settings() { count = 0; };
+ bool read(char *filename);
+ char * get(char *name);
+
+private:
+ char map[20][2][1000];
+ int count;
+};
+
+Settings settings;
+
+bool Settings::read(char *filename)
+{
+ FILE *f;
+ char line[1000];
+ char var[1000];
+
+ printf("Reading settings file: %s\n", filename);
+ count = 0;
+ f = fopen(filename, "r");
+ if (!f)
+ {
+ printf("Couldn't open file.\n");
+ return false;
+ }
+ for (;;)
+ {
+ line[0] = 0;
+ fgets(line, 1000, f);
+ if (!line[0])
+ break;
+ strip_newline(line);
+ sscanf(line, "%s", var);
+ strcpy(map[count][0], var);
+ strcpy(map[count][1], line + strlen(var) + 1);
+ count++;
+ }
+ fclose(f);
+ return true;
+}
+
+char * Settings::get(char *name)
+{
+ int i;
+
+ for (i = 0; i < count; ++i)
+ if (!strcmp(map[i][0], name))
+ return map[i][1];
+ printf("Setting not found: %s\n", name);
+ exit(1);
+}
+
+
+
+
+/*
+ * ChildProc
+ */
+
+
+
+
+
+/*
+ * ChessEngine
+ */
+
+class ChessEngine : private ChildProc
+{
+public:
+ void start(char *cmd_line, char *init_str_arg);
+ void stop();
+ void new_game();
+ void send_move(char *move);
+ void get_move(char *move);
+ bool is_game_over() { return game_over; }
+ char * get_result() { return result; }
+
+private:
+ bool game_over;
+ char result[100];
+ char init_str[1000];
+};
+
+void ChessEngine::start(char *cmd_line, char *init_str_arg)
+{
+ ChildProc::start(cmd_line);
+ send("xboard\n");
+ strcpy(init_str, init_str_arg);
+}
+
+void ChessEngine::stop()
+{
+ send("quit\n");
+ ChildProc::stop();
+}
+
+void ChessEngine::new_game()
+{
+ char temp[1000];
+
+ // stop the engine and flush leftover output
+ // only necessary when reusing the engine
+ /*send("?\n");
+ usleep(100000);
+ flush();*/
+
+ send("new\n");
+ send("easy\n");
+ sprintf(temp, "%s\n", init_str);
+ send(temp);
+ send("force\n");
+
+ game_over = false;
+}
+
+void ChessEngine::send_move(char *move)
+{
+ char s[100];
+
+ if (game_over)
+ return;
+ sprintf(s, "%s\n", move);
+ send(s);
+}
+
+void ChessEngine::get_move(char *move)
+{
+ char line[1000];
+ char tok[1000];
+
+ move[0] = 0;
+ while (poll()) // does the engine think the game is over?
+ {
+ receive(line, 1000);
+ if (strchr(line, '{'))
+ {
+ game_over = true;
+ copy_result(result, line);
+ }
+ }
+ if (game_over)
+ return;
+ send("go\n");
+ for (;;)
+ {
+ receive(line, 1000);
+ if (!line[0])
+ {
+ usleep(1000);
+ continue;
+ }
+ if (strchr(line, '{'))
+ {
+ game_over = true;
+ copy_result(result, line);
+ break;
+ }
+ sscanf(line, "%s", tok);
+ if (!strcmp(tok, "move"))
+ {
+ sscanf(line, "move %s", move);
+ break;
+ }
+ }
+ if (!game_over)
+ send("force\n");
+}
+
+
+
+
+/*
+ * WorkItems
+ */
+
+const int max_work_items = 5000;
+const int max_game_ply = 400;
+
+struct WorkItem
+{
+ volatile int status;
+ bool printed;
+
+ int white_engine;
+ int opening_id;
+ char opening[200];
+ char move[max_game_ply + 2][10];
+ int moves;
+ char result[100];
+};
+
+WorkItem *work_item[max_work_items];
+int work_items;
+
+bool make_work_items(char *filename)
+{
+ FILE *f;
+ char line[1000];
+ int openings = 0;
+ WorkItem *w;
+
+ printf("Creating work items from file: %s\n", filename);
+ work_items = 0;
+ f = fopen(filename, "r");
+ if (!f)
+ {
+ printf("Couldn't open file.\n");
+ return false;
+ }
+ for (;;)
+ {
+ line[0] = 0;
+ fgets(line, 1000, f);
+ if (!line[0])
+ break;
+ strip_newline(line);
+ openings++;
+
+ if (only_opening != -1 && openings != only_opening)
+ continue;
+
+ w = new WorkItem;
+ w->status = 0;
+ w->opening_id = openings;
+ strcpy(w->opening, line);
+ w->white_engine = 1;
+ work_item[work_items++] = w;
+
+ w = new WorkItem;
+ w->status = 0;
+ w->opening_id = openings;
+ strcpy(w->opening, line);
+ w->white_engine = 2;
+ work_item[work_items++] = w;
+ }
+ fclose(f);
+ printf("%d work items created.\n", work_items);
+ return true;
+}
+
+void print_game(WorkItem *w)
+{
+ char white_name[100];
+ char black_name[100];
+ char line[1000];
+ char short_result[100];
+ char *temp;
+ int m, i, line_break;
+
+ if (w->white_engine == 1)
+ {
+ strcpy(white_name, settings.get("engine1"));
+ strcpy(black_name, settings.get("engine2"));
+ }
+ else
+ {
+ strcpy(white_name, settings.get("engine2"));
+ strcpy(black_name, settings.get("engine1"));
+ }
+ sprintf(line, "Opening: %d, %s vs. %s, result: %s\n",
+ w->opening_id,
+ white_name,
+ black_name,
+ w->result);
+ printf(line);
+ fprintf(match_log, line);
+ fflush(match_log);
+
+ strcpy(short_result, w->result);
+ temp = strchr(short_result, ' ');
+ if (temp)
+ *temp = 0;
+ fprintf(pgn_log, "[Round \"%d.%d\"]\n", w->opening_id, w->white_engine);
+ fprintf(pgn_log, "[White \"%s\"]\n", white_name);
+ fprintf(pgn_log, "[Black \"%s\"]\n", black_name);
+ fprintf(pgn_log, "[Result \"%s\"]\n", short_result);
+ fprintf(pgn_log, "\n");
+ m = 0;
+ line_break = 0;
+ for (i = 1;; ++i)
+ {
+ if (m == w->moves)
+ {
+ fprintf(pgn_log, "%s\n", w->result);
+ break;
+ }
+ fprintf(pgn_log, "%d. %s ", i, w->move[m++]);
+ if (m < w->moves)
+ fprintf(pgn_log, "%s ", w->move[m++]);
+ if (m > line_break + 8)
+ {
+ fprintf(pgn_log, "\n");
+ line_break = m;
+ }
+ }
+ fprintf(pgn_log, "\n");
+ fflush(pgn_log);
+
+ w->printed = true;
+}
+
+void print_stats(int items)
+{
+ int i;
+ int win = 0, lose = 0, draw = 0;
+ int games = 0;
+ double percent;
+ double elo;
+ char elo_sign = '+';
+ int elapsed_time;
+ int min, sec;
+ double spg = 10.0;
+ double percent_done;
+ double eta;
+ int eta_min, eta_sec;
+
+ for (i = 0; i < items; ++i)
+ {
+ if (work_item[i]->status != 2) // shouldn't happen
+ break;
+ if (strstr(work_item[i]->result, "1-0"))
+ {
+ if (work_item[i]->white_engine == 1)
+ win++;
+ else
+ lose++;
+ }
+ if (strstr(work_item[i]->result, "0-1"))
+ {
+ if (work_item[i]->white_engine == 1)
+ lose++;
+ else
+ win++;
+ }
+ if (strstr(work_item[i]->result, "1/2-1/2"))
+ draw++;
+ }
+ games = win + lose + draw;
+
+ percent = (double)win + (0.5 * (double)draw);
+ percent /= (double)games;
+ if (percent > 0.99999)
+ elo = 400.0;
+ else if (percent < 0.00001)
+ elo = -400.0;
+ else
+ elo = -400.0 * log(1.0 / percent - 1.0) / log(10.0);
+ if (elo < 0.0)
+ {
+ elo_sign = '-';
+ elo = -elo;
+ }
+ elapsed_time = time(NULL) - start_time;
+ sec = elapsed_time;
+ min = sec / 60;
+ sec -= min * 60;
+ if (elapsed_time)
+ spg = (double)(time(NULL) - start_time) / (double)games;
+ percent_done = (double)games / (double)work_items;
+ eta = (double)work_items - (double)games;
+ eta *= spg;
+ eta_sec = (int)eta;
+ eta_min = eta_sec / 60;
+ eta_sec -= eta_min * 60;
+
+ printf("%s vs. %s: +%d -%d =%d, %.2f%c, ELO: %c%d\n",
+ settings.get("engine1"),
+ settings.get("engine2"),
+ win, lose, draw,
+ (float)(percent * 100.0), '%',
+ elo_sign, (int)elo);
+ printf("%d games in %d:%02d, %.2f seconds/game, %.1f%c done, ETA: %d:%02d\n",
+ games, min, sec, (float)spg,
+ (float)(percent_done * 100.0), '%',
+ eta_min, eta_sec);
+ printf("\n");
+}
+
+
+
+/*
+ * WorkerThread
+ */
+
+class WorkerThread
+{
+public:
+ void do_work(int id_arg);
+ void do_item(WorkItem *w);
+
+private:
+ void do_opening(WorkItem *w);
+ void add_move(WorkItem *w, char *move);
+
+ int id;
+ ChessEngine engine1, engine2;
+};
+
+void WorkerThread::do_work(int id_arg)
+{
+ int i;
+
+ id = id_arg;
+ for (;;)
+ {
+ glock.get();
+ for (i = 0; i < work_items; ++i)
+ if (work_item[i]->status == 0)
+ break;
+ if (i != work_items)
+ work_item[i]->status = 1;
+ glock.release();
+
+ if (i == work_items)
+ break;
+ do_item(work_item[i]);
+ }
+}
+
+void WorkerThread::do_item(WorkItem *w)
+{
+ char move[100];
+ ChessEngine *etm; // engine to move
+ ChessEngine *etw; // engine to wait
+ ChessEngine *temp;
+
+ w->printed = false;
+ w->moves = 0;
+
+ engine1.start(settings.get("cmd1"), settings.get("init1"));
+ engine2.start(settings.get("cmd2"), settings.get("init2"));
+ engine1.new_game();
+ engine2.new_game();
+ do_opening(w);
+
+ etm = &engine1;
+ etw = &engine2;
+ if ((w->moves & 1) == 1 && w->white_engine == 1)
+ {
+ etm = &engine2;
+ etw = &engine1;
+ }
+ if ((w->moves & 1) == 0 && w->white_engine == 2)
+ {
+ etm = &engine2;
+ etw = &engine1;
+ }
+ for (;;)
+ {
+ etm->get_move(move);
+ if (etm->is_game_over())
+ {
+ strcpy(w->result, etm->get_result());
+ break;
+ }
+ etw->send_move(move);
+ add_move(w, move);
+ if (w->moves >= max_game_ply)
+ {
+ strcpy(w->result, "1/2-1/2 {Game too long}");
+ break;
+ }
+ temp = etm;
+ etm = etw;
+ etw = temp;
+ }
+
+ engine1.stop();
+ engine2.stop();
+ w->status = 2;
+}
+
+void WorkerThread::do_opening(WorkItem *w)
+{
+ char move[100];
+ int i = 0, j = 0;
+
+ for (;;)
+ {
+ move[i] = w->opening[j];
+ if (!move[i] || move[i] == ' ')
+ {
+ move[i] = 0;
+ engine1.send_move(move);
+ engine2.send_move(move);
+ add_move(w, move);
+ i = -1;
+ }
+ if (!w->opening[j])
+ break;
+ i++;
+ j++;
+ }
+}
+
+void WorkerThread::add_move(WorkItem *w, char *move)
+{
+ strcpy(w->move[w->moves++], move);
+}
+
+
+
+
+/*
+ * threads
+ */
+
+WorkerThread *worker[100];
+pthread_t *mythread[100];
+volatile int thread_count = 0;
+
+void * thread_proc(void *arg)
+{
+ int id;
+
+ glock.get();
+ id = thread_count++;
+ glock.release();
+ worker[id] = new WorkerThread;
+ worker[id]->do_work(id);
+ delete worker[id];
+ pthread_exit(&mythread[id]);
+ delete mythread[id]; // ?
+}
+
+
+void start_threads(int count)
+{
+ int i;
+ int x = 0;
+
+ printf("Starting threads...\n");
+ for (i = 0; i < count; ++i)
+ {
+ mythread[i] = new pthread_t;
+ pthread_create(mythread[i], NULL, thread_proc, (void *)&x);
+ }
+ printf("Started %d threads.\n", i);
+}
+
+
+
+
+/*
+ * main
+ */
+
+main(int argc, char *argv[])
+{
+ int i;
+ char settings_filename[100];
+ int threads = 1;
+
+ start_time = time(NULL);
+ strcpy(settings_filename, "settings.txt");
+
+ for (i = 1;;)
+ {
+ if (i >= argc)
+ break;
+ if (!strcmp(argv[i], "-l"))
+ {
+ pipe_logging = true;
+ }
+ else if (!strcmp(argv[i], "-o"))
+ {
+ only_opening = atoi(argv[++i]);
+ }
+ else if (!strcmp(argv[i], "-t"))
+ {
+ threads = atoi(argv[++i]);
+ }
+ else if (argv[i][0] == '-')
+ {
+ printf("Usage: shiai [options] [settings file]\n");
+ printf("\n");
+ printf(" -h : Display this screen\n");
+ printf(" -l : Display I/O with engines (\"log\")\n");
+ printf(" -o # : Run opening number #\n");
+ printf(" -t # : Run with # threads\n");
+ printf("\n");
+ exit(0);
+ }
+ else
+ {
+ strcpy(settings_filename, argv[i]);
+ }
+ i++;
+ }
+
+ if (!settings.read(settings_filename))
+ exit(1);
+ if (!make_work_items(settings.get("openings")))
+ exit(1);
+
+
+ pgn_log = fopen(settings.get("pgnlog"), "w");
+ if (!pgn_log)
+ {
+ printf("Couldn't open %s for writing.\n", settings.get("pgnlog"));
+ exit(1);
+ }
+
+ match_log = fopen(settings.get("matchlog"), "w");
+ if (!match_log)
+ {
+ printf("Couldn't open %s for writing.\n", settings.get("matchlog"));
+ exit(1);
+ }
+
+ if (threads <= 0 || threads > 16)
+ threads = 1;
+ start_threads(threads);
+ for (i = 0; i < work_items; ++i)
+ {
+ while (work_item[i]->status != 2)
+ sleep(1);
+ print_game(work_item[i]);
+ print_stats(i + 1);
+ }
+
+ fclose(pgn_log);
+ fclose(match_log);
+ return 0;
+}
--- /dev/null
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--- /dev/null
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+{62 21917 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard r1bk1b1r/ppp2ppp/2p/4Pn//5N/PPP2PPP/RNBR2K/ b
+{-75 16187 44}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard 2b1kb1r/ppp1npp/2p1P2p/2N/6P/1P3N/P1P2P1P/2BR2K/ b
+{3 10484 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard r3k1nr/1pp1bppp/p1p1P1q//3Q1B/5N/PPbN1PPP/R4RK/ b kq
+{-18 39733 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r1b1k2r/1pp2ppp/pbp3n/4P/2P2B/PN1q/1P1N1PPP/R2Q1RK/ w kq
+{-67 6298 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard 5rk/2p3pp/b/5p/2p1P//Pp1N1PPP/R2R2K/ w
+{-3 24640 48}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard 5rk/2p3pp/b/5p/4P/2p/Pp1N1PPP/1R1R2K/ w
+{-50 57921 48}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard 5rk/2p3pp/b/5p/4P//Pp1N1PPP/3R2K/ w
+{-83 24643 48}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard 1rbq1rk/2pp1ppp/2n2n/1Nb1p/4P/1B3N/1PPPQPPP/R1B1K2R/ b KQ
+{-48 42797 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r1b1k2r/2p1bppp/p2q/1p1n/3n/1BP/PP3PPP/RNBQR1K/ w kq
+{68 95939 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard 3r1rk/2q1bppp/pn2b/1pp1P/1n2B/1PN2N1P/PB3PP/RQ2R1K/ b
+{49 7094 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r4rk/2p1bp1p/p3qnp/1p2n1B/3P2b/1P/P1BQ1PPP/RN2R1K/ w
+{93 5583 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard r2qrbk/1b3p/p2p1npp/1pnPp/P1p1P/2P1BNNP/1PB2PP/R1Q1R1K/ b
+{-51 31931 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard r3rbk/1bq2p/p2p1npB/1pnPp/P1p1P/2P2NNP/1PB2PP/R1Q1R1K/ b
+{-112 38433 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r1b2rk/2q1bppp/p1np1n/1p2p/3PP/5N1P/PPBN1PP/R1BQR1K/ w
+{-36 9291 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard r4rk/1bq1bppp/pn1p1n/1ppPNN/4P/2P4P/PPB2PP/R1BQR1K/ b
+{-81 71979 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r4rk/2qbb2n/p2p1pp/np1Pp1Pp/2p1P2P/1PP2N/PBBN1P/R2QR2K/ w
+{-24 39782 44}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r4rk/2qbb/p2p1np/np1Pp2p/2p1P2P/1PP2N/PBBN1P/R2QR2K/ w
+{-61 5713 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard r4rk/1bqnbppp/p2p/1p/3NP/7P/PPBB1PP/2RQR1K/ b
+{-59 10547 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r1b2rk/2q1bppp/2np1n/pp2p/3PP/1N3N1P/PPB2PP/R1BQR1K/ w
+{-46 21706 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r4rk/4bppp/bq1p1n/1p1Pp/pn2P/3B1N1P/PPQN1PP/R1B1R1K/ w
+{-84 29834 48}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.04"]
+setboard 2rq1rk/1b1n1ppp/p2p/1p/1P1QP/P1N4P/2B2PP/R3R1K/ b
+{258 26298 48}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.04"]
+setboard r2q1rk/1b1nbppp/p2p/np2p/3PP/5N1P/PPBN1PP/R1BQR1K/ w
+{-34 5193 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r2nr1k/1bpqbppp/p4n/1p2P1N//P6P/BP1N1PP/R1BQR1K/ b
+{6 10477 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r3q1k/1b3p1p/3b1np/np/2pP3N/7P/1PBN1PP/R1BQ2K/ w
+{-60 12742 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard b3rbk/2pq1pp/7p/1p2P/1n1N1n/5N1P/1P3PP/1BBQR1K/ b
+{5 87416 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r2q1rk/1b3ppp/p2p1b/n1p1n/P3P/2P2N1P/B1N2PP/R1BQR1K/ w
+{-71 22728 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r4rk/5ppp/p1pb/1p1n/3P2b/1BPQB1Pq/PP3P1P/RN2R1K/ b
+{-35 22878 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard 1r3rk/4bppp/Q1p/p/P2PN1b/1BP1R1Pq/5P1P/R5K/ w
+{126 22161 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r2qkb1r/2p2p1p/p1n1b/1p1pP1p//1BPn1N/PP1N1PPP/R1BQR1K/ w kq
+{-14 25348 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r2q1b1r/3k3p/4p/1pppn/6p/2Pn/1PBNRPPP/R1BQ2K/ w
+{-6 224768 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r2qr1k/2p1bppp/p1n1b/1p1pP//1PP2N/1P3PPP/R1BQRNK/ w
+{-38 29891 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r2q1rk/2p2ppp/p1n3b/1pNpP/4n/2P2N/PPB2PPP/R1BQ1RK/ b
+{-51 75932 48}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard 4rrk/2pb1ppp/pb/1p2P/3NpB1q/2P/PP1Q1PPP/R4RK/ w
+{-47 24837 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r2q3r/1bp2kpp/p2b/1p1np/2Pn/1B/PP1P1PPP/RNBQR1K/ w
+{33 71898 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard q3kb1r/5ppp/3p1n/np1Pp/2p1P1b/2P2N/1PB2PPP/1NBQR1K/ w k
+{41 22914 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r1bqkbnr/2p2ppp/p1pp/4p/3PP/5N/PPP2PPP/RNBQK2R/ b KQkq
+{-49 38628 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r2q1rk/2pbbppp/p1n2n/1p2P//2N2N/PPB2PPP/R1BQ1RK/ b
+{-79 10157 44}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r2q1rk/2pbbppp/p/1p2P/1n4n/2N2N1P/PPB1QPP/R1B2RK/ b
+{-114 172697 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r1bqkbnr/ppp2ppp/2np/1B2p/3PP/5N/PPP2PPP/RNBQK2R/ b KQkq
+{-61 23802 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r1bqkbnr/pppp1p1p/2n3p/1B2p/4P/2P2N/PP1P1PPP/RNBQK2R/ b KQkq
+{-69 11134 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r1b1k2r/1ppnqp1p/p1p2bpB//2N1P/2P2N/PP3PPP/R2Q1RK/ b kq
+{-103 30900 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1b1k2r/1pp2p/p1p3pp/4P/4n/2P1B/PP3PPP/RN1R2K/ w kq
+{96 6095 44}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1b1k2r/ppp1nppp/5q/2bpn/3NP/2P1B/PP2BPPP/RN1QK2R/ w KQkq
+{-80 10331 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1b1k2r/ppp1nppp//1N1pn/4P2q/2P1P/PP2B1PP/RN1QK2R/ w KQkq
+{-90 12612 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r2k2r/1p3p1p/p/2pnQ/2p1P1bq/4P/PP4PP/RN3K1R/ w
+{-23 96484 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard rn2k2r/ppp1bppp/3p1n/6B/3N2b/2NP/PPP1BPPP/R3K2R/ b KQkq
+{-42 185118 44}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard rn1qr1k/ppp3p/3b1B/3b3Q/3P/2PB/P4PPP/R4RK/ b
+{1 54251 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard rnbq1rk/ppp2p1p/3b2pQ/3pN/3P/2PB/PP1B1PPP/R3K2R/ b KQ
+{-50 88363 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard rnbqkbnr/ppp3pp//3pP1N/4p/2N/PPP2PPP/R1BQKB1R/ b KQkq
+{-195 6834 32}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r1b3k/ppp2ppp/2P//1q/3BP1P/PPP1K2P/R5NR/ b
+{283 62041 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1bqk2r/2pp1pp/p1n2n1p/1pb/4P/2N/PPPBQPPP/R3KBNR/ w KQkq
+{-3 12420 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard rnb1kbnr/ppp2ppp//6q//2N/PPPPB1PP/R1BQK1NR/ w KQkq
+{-4 5323 36}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard rnbqkb1r/ppp2ppp///2B/3PQ/PPP3PP/RN2K1NR/ b KQkq
+{8 32059 44}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1b1kbnr/pppp1ppp/2n//2B1Pp1q//PPPP2PP/RNBQ1KNR/ w kq
+{-84 9542 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard rnb1k2r/ppp1b2p/7n/3P1p/2N4P/5R1B/PPPP/RNB3K/ b kq
+{19 28607 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1bk1b1r/ppppqB1p/2n2n/4N/3PPppP//PPP3P/RNBQK2R/ w KQ
+{51 55106 40}
+[White "unknown"]
+[Black "Crafty 20.14"]
+[Date "2008.07.05"]
+setboard r3r1k/p1p2ppp/1pnq1n//3P2b/1QP2N/PP1BP1PP/R3KB1R/ b KQ
+{25 28408 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1bqkbnr/p4ppp/2p/4p/3pP/6P/PPP2PBP/RNBQK2R/ w KQkq
+{15 5965 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard rnbqkbnr/ppp2ppp//4p/2p/6P/PP1PPPBP/RNBQK1NR/ w KQkq
+{-46 30211 36}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1bqkb1r/pppp1ppp/2n2n//4p/2N2NP/PPPPPPBP/R1BQK2R/ w KQkq
+{-59 10645 44}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r1bqkb1r/ppp2pp/2n2n1p/3p2N/4p/2NP2P/PPP1PPBP/R1BQK2R/ w KQkq
+{-83 9702 40}
+[White "Crafty 20.14"]
+[Black "unknown"]
+[Date "2008.07.05"]
+setboard r2qk2r/pp2ppb/2n3pp/2pp1b1n/3P/2N1B1P/PPPQPPBP/R3NRK/ w kq
+{-50 9540 32}
--- /dev/null
+engine1 Typhoon
+cmd1 ../typhoon --hash 128m --cpus 1 --logfile - --book - --egtbpath -
+init1 sn 100000;set resignthreshold -700;set verboseposting false
+engine2 Crafty
+cmd2 crafty
+init2 sn 100000
+openings openings.txt
+pgnlog log_crafty.pgn
+matchlog log_crafty.txt
--- /dev/null
+engine1 Typhoon
+cmd1 ../typhoon --hash 128m --cpus 1 --logfile - --book - --egtbpath -
+init1 sn 100000;set resignthreshold -700;set verboseposting false
+engine2 Fruit
+cmd2 /home/scott/fruit/fruit
+init2 sn 100000
+openings openings.txt
+pgnlog log_fruit.pgn
+matchlog log_fruit.txt
--- /dev/null
+engine1 Typhoon
+cmd1 ../typhoon --hash 16m --cpus 1 --logfile - --book - --egtbpath -
+init1 sn 10000;set resignthreshold -700;set verboseposting false
+engine2 Fruit
+cmd2 /home/scott/fruit/fruit
+init2 sn 10000
+openings openings.txt
+pgnlog log_fruit_tiny.pgn
+matchlog log_fruit_tiny.txt
--- /dev/null
+engine1 Typhoon
+cmd1 ../typhoon --hash 16m --cpus 1 --logfile - --book - --egtbpath -
+init1 st 1;set resignthreshold -700;set verboseposting false
+engine2 Crafty
+cmd2 crafty
+init2 st 1
+openings openings.txt
+pgnlog log_crafty_fast.pgn
+matchlog log_crafty_fast.txt
--- /dev/null
+# BEGIN MUTATION ALLOWED
+# Trade pieces/pawns
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
+# END MUTATION ALLOWED
+# Reduced material down scaler
+0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,3,4,5,6,6,7,7,7,7,8,8,8,8,8,8,8,8
+# Reduced material up scaler
+8,8,8,8,8,8,8,8,8,7,7,7,7,6,6,5,4,3,3,3,2,2,2,1,1,1,0,0,0,0,0,0
+# Passer material up scaler
+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0
+# Pawn centrality bonus by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-10,0,0,0,0,0,0,-10,0,0,0,0,0,0,0,0,-10,0,5,5,5,5,0,-10,0,0,0,0,0,0,0,0,-10,0,5,9,9,5,0,-10,0,0,0,0,0,0,0,0,-10,0,5,9,9,5,0,-10,0,0,0,0,0,0,0,0,-10,0,5,5,5,5,0,-10,0,0,0,0,0,0,0,0,-10,0,0,0,0,0,0,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Backward shielded by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Backward exposed by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Doubled pawn penalty by count
+0,-32,-65,-99,-134,-170,-207,-245,-290,0,-23,-48,-76,-108,-144,-184,-232,-290,0,-9,-19,-31,-46,-64,-86,-111,-143,0,-7,-14,-25,-39,-55,-73,-95,-121
+# Isolated pawn penalty by count
+0,-3,-7,-9,-16,-35,-50,-85,-100
+# Isolated pawn penalty by board file
+0,-8,-9,-10,-11,-11,-10,-9,-8
+# Isolated exposed base score
+-6
+# Isolated doubled base score
+-18
+# BEGIN MUTATION ALLOWED
+# Passer pawn by rank/color (reduced if enemy controls sq ahead)
+0,0,162,111,62,36,18,13,0,0,0,13,18,36,62,111,162,0
+# Candidate passer pawn by rank/color
+0,0,0,48,34,22,13,9,0,0,0,9,13,22,34,48,0,0
+# Connected passer pawn by rank/color (x2, one for each pawn)
+0,0,96,74,48,21,10,5,0,0,0,5,10,21,48,74,96,0
+# Supported passer pawn by rank/color
+0,0,60,40,13,6,3,1,0,0,0,1,3,6,13,40,60,0
+# END MUTATION ALLOWED
+# Outside passer pawn by how far outside
+0,0,7,14,21,28,34,41,55
+# BEGIN MUTATION ALLOWED
+# Passer bonus as material comes off
+60,-1,-1,37,-1,43,19,-1,14,9,20,4,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# END MUTATION ALLOWED
+# Unstoppable passer
+800
+# Undeveloper minors in the opening
+0,-6,-10,-16,-22
+# Bishop over knight in the endgame by how open is the board
+33
+# Bishop pair value by number of pawns
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,58,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41
+# BEGIN MUTATION ALLOWED
+# Stationary pawns on bishop color
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,-7,-7,-7,-7,-7,-7,-5,0,0,0,0,0,0,0,0,-7,-7,-8,-8,-8,-8,-7,-7,0,0,0,0,0,0,0,0,-8,-9,-10,-12,-12,-10,-9,-8,0,0,0,0,0,0,0,0,-8,-9,-10,-12,-12,-10,-9,-8,0,0,0,0,0,0,0,0,-7,-7,-8,-8,-8,-8,-7,-7,0,0,0,0,0,0,0,0,-5,-7,-7,-7,-7,-7,-7,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Transient pawns on bishop color
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Bishop mobility by num squares
+-22,-15,-13,-8,-3,0,2,4,7,11,15,17,18,19
+# Bishop mobility num-in-a-row bonus
+-14,-6,1,4,6,7,9,11
+# END MUTATION ALLOWED
+# Outposted bishop by distance from eking
+0,38,30,18,8,4,0,-10,-16
+# Bishop in a closed position bonus
+15,15,15,15,14,14,13,12,11,10,9,7,5,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Knight centrality by location
+-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0
+# Knight-eking tropism bonus
+0,15,12,9,5,0,0,0,0
+# Knight value as pawns come off
+-30,-24,-18,-12,-6,0,6,12,18
+# Outposted knight by distance from eking
+0,40,33,22,10,3,0,0,0
+# Knight on interesting square by rank/color
+0,12,11,9,6,3,0,0,0,0,0,0,0,3,6,9,11,12
+# BEGIN MUTATION ALLOWED
+# Knight mobility
+-17,-10,-6,0,3,6,8,9,10
+# Knight with N pawns supporting
+0,7,11
+# END MUTATION ALLOWED
+# Knight in a closed position
+0,0,0,0,0,0,2,4,6,8,9,10,11,12,13,14,16,18,19,20,20,21,21,22,22,23,23,24,24,25,25,26,27
+# Rook on full open file by distance from eking
+24,22,17,14,13,13,12,12
+# Rook on half open file with enemy pawn by distance from eking
+12,11,9,9,8,8,8,7
+# Rook on half open file with friend pawn by distance from eking
+13,12,11,11,9,9,9,8
+# Rook behind own passer by passer rank/color
+0,0,25,17,12,6,1,0,0,0,0,0,1,6,12,17,25,0
+# Rook leading own passer by passer rank/color
+0,0,-22,-16,-13,-9,-5,-3,0,0,0,-3,-5,-9,-13,-16,-22,0
+# King trapping friend rook
+-40
+# Rook trapping eking
+22
+# Rook value as pawns come off
+55,44,33,22,11,0,-12,-24,-36
+# Rooks connected vertically (x2)
+7
+# Rooks connected horizontally (x2)
+4
+# BEGIN MUTATION ALLOWED
+# Rook mobility by squares
+-28,-24,-20,-14,-7,-2,0,4,8,12,15,17,19,21,22
+# Rook mobility by n-in-a-row
+-15,-6,0,4,8,8,8,8
+# Queen mobility by squares
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
+# END MUTATION ALLOWED
+# Queen out too early by num unmoved minors
+0,-14,-22,-26,-33
+# Queen eking tropism
+0,39,35,28,24,17,16,15
+# Queen attacking square next to eking (x #squares)
+8
+# Initial king safety counter by location/color
+1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0
+# Bring king to center by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# BEGIN MUTATION ALLOWED
+# King pawn shield (x #pawns)
+15
+# King safety by counter
+0,-4,-8,-12,-16,-20,-25,-31,-38,-50,-63,-76,-90,-105,-120,-140,-160,-180,-200,-225,-250,-275,-300,-333,-366,-399,-433,-466,-499,-533,-566,-599,-600,-600,-600,-600,-600,-600,-600,-600,-600,-600
+# END MUTATION ALLOWED
+# King missing one castle option
+-23
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ bench.c
+
+Abstract:
+
+ Engine speed benchmarking code. This is the same test that crafty
+ uses to benchmark.
+
+Author:
+
+
+Revision History:
+
+ $Id: bench.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+COMMAND(BenchCommand)
+/**
+
+Routine description:
+
+ Run a benchmark
+
+Parameters:
+
+ (hidden) CHAR *szInput
+ (hidden) ULONG argc
+ (hidden) CHAR *argv[]
+ (hidden) POSITION *pos
+
+Return value:
+
+**/
+{
+ typedef struct _BENCH_NODE
+ {
+ CHAR *szFen;
+ ULONG uDepth;
+ }
+ BENCH_NODE;
+ static BENCH_NODE x[] =
+ {
+ {
+ "3r1k2/4npp1/1ppr3p/p6P/P2PPPP1/1NR5/5K2/2R5 w - - 0 0", 11
+ },
+ {
+ "rnbqkb1r/p3pppp/1p6/2ppP3/3N4/2P5/PPP1QPPP/R1B1KB1R w KQkq - 0 0", 11
+ },
+ {
+ "4b3/p3kp2/6p1/3pP2p/2pP1P2/4K1P1/P3N2P/8 w - - 0 0", 13
+ },
+ {
+ "r3r1k1/ppqb1ppp/8/4p1NQ/8/2P5/PP3PPP/R3R1K1 b - - 0 0", 11
+ },
+ {
+ "2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 0", 11
+ },
+ {
+ "r1bqk2r/pp2bppp/2p5/3pP3/P2Q1P2/2N1B3/1PP3PP/R4RK1 b kq - 0 0", 11
+ }
+ };
+ ULONG u;
+ double dStart;
+ double dEnd;
+ UINT64 u64Nodes = 0;
+
+#ifdef DEBUG
+ Trace("You know this is a DEBUG build, right?\n");
+#endif
+ dStart = SystemTimeStamp();
+ for (u = 0;
+ u < ARRAY_LENGTH(x) && (FALSE == g_fExitProgram);
+ u++)
+ {
+ VERIFY(PreGameReset(FALSE));
+ VERIFY(SetRootPosition(x[u].szFen));
+ pos = GetRootPosition();
+ g_Options.u64NodesSearched = 0ULL;
+ g_Options.uMaxDepth = x[u].uDepth;
+ Think(pos);
+ u64Nodes += g_Options.u64NodesSearched;
+ }
+ dEnd = SystemTimeStamp();
+ ASSERT(dStart < dEnd);
+ ASSERT(u64Nodes > 0);
+
+ Trace("Searched %"COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " nodes in %4.1f sec.\n", u64Nodes, (dEnd - dStart));
+ Trace("BENCHMARK>> %8.1f nodes/sec\n", (double)u64Nodes / (dEnd - dStart));
+ VERIFY(PreGameReset(TRUE));
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ bitboard.c
+
+Abstract:
+
+ Routines dealing with bitboards. If you build with the
+ testbitboard.c code enabled it will give you a rough benchmark of
+ these routines' speeds. Here are some typical results (from a
+ 1.5ghz Athlon):
+
+ SLOWCOOR_TO_BB: 10 cycles/op
+ COOR_TO_BB: 5 cycles/op
+ SlowCountBits: 82 cycles/op
+ CountBits: 2 cycles/op
+ SlowLastBit: 158 cycles/op
+ LastBit: 2 cycles/op
+ SlowFirstBit: 22 cycles/op
+ FirstBit: 2 cycles/op
+
+ As you can see the inline assembly language code is quite a bit
+ faster so use it if you can. And if, on the off chance, you are
+ porting this code to another hardware platform, it might be worth
+ your time to research what your instruction set has in the way of
+ bit twiddling opcodes.
+
+Author:
+
+
+Revision History:
+
+ $Id: bitboard.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+
+//
+// Mapping from square -> bit
+//
+BITBOARD BBSQUARE[64] =
+{
+ 0x1ULL, // 1
+ 0x2ULL, // 2
+ 0x4ULL, // 3
+ 0x8ULL, // 4
+ 0x10ULL, // 5
+ 0x20ULL, // 6
+ 0x40ULL, // 7
+ 0x80ULL, // 8
+ 0x100ULL, // 9
+ 0x200ULL, // 10
+ 0x400ULL, // 11
+ 0x800ULL, // 12
+ 0x1000ULL, // 13
+ 0x2000ULL, // 14
+ 0x4000ULL, // 15
+ 0x8000ULL, // 16
+ 0x10000ULL, // 17
+ 0x20000ULL, // 18
+ 0x40000ULL, // 19
+ 0x80000ULL, // 20
+ 0x100000ULL, // 21
+ 0x200000ULL, // 22
+ 0x400000ULL, // 23
+ 0x800000ULL, // 24
+ 0x1000000ULL, // 25
+ 0x2000000ULL, // 26
+ 0x4000000ULL, // 27
+ 0x8000000ULL, // 28
+ 0x10000000ULL, // 29
+ 0x20000000ULL, // 30
+ 0x40000000ULL, // 31
+ 0x80000000ULL, // 32
+//--------------------------------------------------
+ 0x100000000ULL, // 33
+ 0x200000000ULL, // 34
+ 0x400000000ULL, // 35
+ 0x800000000ULL, // 36
+ 0x1000000000ULL, // 37
+ 0x2000000000ULL, // 38
+ 0x4000000000ULL, // 39
+ 0x8000000000ULL, // 40
+ 0x10000000000ULL, // 41
+ 0x20000000000ULL, // 42
+ 0x40000000000ULL, // 43
+ 0x80000000000ULL, // 44
+ 0x100000000000ULL, // 45
+ 0x200000000000ULL, // 46
+ 0x400000000000ULL, // 47
+ 0x800000000000ULL, // 48
+ 0x1000000000000ULL, // 49
+ 0x2000000000000ULL, // 50
+ 0x4000000000000ULL, // 51
+ 0x8000000000000ULL, // 52
+ 0x10000000000000ULL, // 53
+ 0x20000000000000ULL, // 54
+ 0x40000000000000ULL, // 55
+ 0x80000000000000ULL, // 56
+ 0x100000000000000ULL, // 57
+ 0x200000000000000ULL, // 58
+ 0x400000000000000ULL, // 59
+ 0x800000000000000ULL, // 60
+ 0x1000000000000000ULL, // 61
+ 0x2000000000000000ULL, // 62
+ 0x4000000000000000ULL, // 63
+ 0x8000000000000000ULL, // 64
+};
+
+
+
+//
+// The white colored squares on the board
+//
+BITBOARD BBWHITESQ = (
+ SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(A6) |
+ SLOWCOOR_TO_BB(A8) | SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(B3) |
+ SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(C2) |
+ SLOWCOOR_TO_BB(C4) | SLOWCOOR_TO_BB(C6) | SLOWCOOR_TO_BB(C8) |
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(D3) | SLOWCOOR_TO_BB(D5) |
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(E4) |
+ SLOWCOOR_TO_BB(E6) | SLOWCOOR_TO_BB(E8) | SLOWCOOR_TO_BB(F1) |
+ SLOWCOOR_TO_BB(F3) | SLOWCOOR_TO_BB(F5) | SLOWCOOR_TO_BB(F7) |
+ SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(G6) |
+ SLOWCOOR_TO_BB(G8) | SLOWCOOR_TO_BB(H1) | SLOWCOOR_TO_BB(H3) |
+ SLOWCOOR_TO_BB(H5) | SLOWCOOR_TO_BB(H7)
+ );
+
+//
+// The black colored squares on the board
+//
+BITBOARD BBBLACKSQ = ~(
+ SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(A6) |
+ SLOWCOOR_TO_BB(A8) | SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(B3) |
+ SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(C2) |
+ SLOWCOOR_TO_BB(C4) | SLOWCOOR_TO_BB(C6) | SLOWCOOR_TO_BB(C8) |
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(D3) | SLOWCOOR_TO_BB(D5) |
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(E4) |
+ SLOWCOOR_TO_BB(E6) | SLOWCOOR_TO_BB(E8) | SLOWCOOR_TO_BB(F1) |
+ SLOWCOOR_TO_BB(F3) | SLOWCOOR_TO_BB(F5) | SLOWCOOR_TO_BB(F7) |
+ SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(G6) |
+ SLOWCOOR_TO_BB(G8) | SLOWCOOR_TO_BB(H1) | SLOWCOOR_TO_BB(H3) |
+ SLOWCOOR_TO_BB(H5) | SLOWCOOR_TO_BB(H7)
+ );
+
+
+//
+// A way to select one file
+//
+BITBOARD BBFILE[8] = {
+ BBFILEA,
+ BBFILEB,
+ BBFILEC,
+ BBFILED,
+ BBFILEE,
+ BBFILEF,
+ BBFILEG,
+ BBFILEH
+};
+
+//
+// A way to select one rank
+//
+BITBOARD BBRANK[9] = {
+ 0,
+ BBRANK11,
+ BBRANK22,
+ BBRANK33,
+ BBRANK44,
+ BBRANK55,
+ BBRANK66,
+ BBRANK77,
+ BBRANK88
+};
+
+//
+// Two files: A and H
+//
+BITBOARD BBROOK_PAWNS = BBFILEA | BBFILEH;
+
+
+ULONG CDECL
+SlowCountBits(BITBOARD bb)
+/**
+
+Routine description:
+
+ Strictly-C implementation of bit counting. How many bits are
+ asserted in a particular bitboard?
+
+Parameters:
+
+ BITBOARD bb : the bitboard to count
+
+Return value:
+
+ ULONG : number of bits set in bb
+
+**/
+{
+ ULONG uCount = 0;
+ while(bb)
+ {
+ uCount++;
+ bb &= (bb - 1);
+ }
+ return(uCount);
+}
+
+
+static const int foldedTable[] = {
+ 63,30, 3,32,59,14,11,33,
+ 60,24,50, 9,55,19,21,34,
+ 61,29, 2,53,51,23,41,18,
+ 56,28, 1,43,46,27, 0,35,
+ 62,31,58, 4, 5,49,54, 6,
+ 15,52,12,40, 7,42,45,16,
+ 25,57,48,13,10,39, 8,44,
+ 20,47,38,22,17,37,36,26,
+};
+
+ULONG CDECL
+DeBruijnFirstBit(BITBOARD bb)
+{
+ int folded;
+ if (bb == 0ULL) return(0);
+ bb ^= (bb - 1);
+ folded = ((int)bb) ^ ((int)(bb >> 32));
+ return foldedTable[(folded * 0x78291ACF) >> 26] + 1;
+}
+
+ULONG CDECL
+SlowFirstBit(BITBOARD bb)
+/**
+
+Routine description:
+
+ Strictly-C implementation of "find the number of the first (lowest
+ order) asserted bit in the bitboard".
+
+Parameters:
+
+ BITBOARD bb : the bitboard to test
+
+Return value:
+
+ ULONG : the number of the first bit from the low order side of the
+ bb that is asserted. The lowest order bit is #1.
+
+**/
+{
+ static ULONG uTable[16] =
+ { // 0000 0001 0010 0011 0100 0101 0110 0111
+ 0, 1, 2, 1, 3, 1, 2, 1,
+ // 1000 1001 1010 1011 1100 1101 1110 1111
+ 4, 1, 2, 1, 3, 1, 2, 1 };
+ ULONG uShifts = 0;
+ ULONG u;
+
+ while(bb)
+ {
+ u = (ULONG)bb & 0xF;
+ if (0 != u)
+ {
+ return(uTable[u] + (uShifts * 4));
+ }
+ bb >>= 4;
+ uShifts++;
+ }
+ return(0);
+}
+
+
+ULONG CDECL
+SlowLastBit(BITBOARD bb)
+/**
+
+Routine description:
+
+ Strictly-C implementation of "find the number of the last (highest
+ order) bit asserted in the bitboard".
+
+ Note: On every system benchmarked this code sucked. Using the x86
+ bsr instruction is way faster on modern x86 family processors.
+
+Parameters:
+
+ BITBOARD bb : the bitboard to test
+
+Return value:
+
+ ULONG : the number of the first bit from the high order side of bb
+ that is asserted. The highest order bit is #64.
+
+**/
+{
+ static ULONG uTable[16] =
+ { // 0000 0001 0010 0011 0100 0101 0110 0111
+ 0, 1, 2, 2, 3, 3, 3, 3,
+ // 1000 1001 1010 1011 1100 1101 1110 1111
+ 4, 4, 4, 4, 4, 4, 4, 4 };
+ ULONG uShifts = 15;
+ ULONG u;
+
+ while(bb)
+ {
+ u = (ULONG)((bb & 0xF000000000000000ULL) >> 60);
+ if (0 != u)
+ {
+ return(uTable[u] + (uShifts * 4));
+ }
+ bb <<= 4;
+ uShifts--;
+ ASSERT(uShifts < 15);
+ }
+ return(0);
+}
+
+COOR
+CoorFromBitBoardRank8ToRank1(BITBOARD *pbb)
+/**
+
+Routine description:
+
+ Return the square cooresponding to the first asserted bit in the
+ bitboard or ILLEGAL_COOR if there are no bits asserted in the
+ bitboard. If a valid COOR is returned, clear that bit in the
+ bitboard.
+
+Parameters:
+
+ BITBOARD *pbb
+
+Return value:
+
+ COOR
+
+**/
+{
+ COOR c = ILLEGAL_COOR;
+ ULONG uFirstBit = FirstBit(*pbb);
+
+ ASSERT(uFirstBit == SlowFirstBit(*pbb));
+ if (0 != uFirstBit)
+ {
+ uFirstBit--; // bit 1 is 1 << 0
+ c = BIT_NUMBER_TO_COOR(uFirstBit);
+ ASSERT(c == SLOW_BIT_NUMBER_TO_COOR(uFirstBit));
+ ASSERT(IS_ON_BOARD(c));
+ *pbb &= (*pbb - 1);
+ }
+ return(c);
+}
+
+
+COOR
+CoorFromBitBoardRank1ToRank8(BITBOARD *pbb)
+/**
+
+Routine description:
+
+ Return the square cooresponding to the last asserted bit in the
+ bitboard or ILLEGAL_COOR if there are no bits asserted in the
+ bitboard. If a valid COOR is returned, clear that bit in the
+ bitboard.
+
+Parameters:
+
+ BITBOARD *pbb
+
+Return value:
+
+ COOR
+
+**/
+{
+ COOR c;
+ ULONG uLastBit = LastBit(*pbb);
+ ASSERT(SlowLastBit(*pbb) == uLastBit);
+
+ c = ILLEGAL_COOR;
+ if (0 != uLastBit)
+ {
+ ASSERT(*pbb);
+ uLastBit--;
+ *pbb &= (*pbb - 1);
+ c = BIT_NUMBER_TO_COOR(uLastBit);
+ ASSERT(c == SLOW_BIT_NUMBER_TO_COOR(uLastBit));
+ ASSERT(IS_ON_BOARD(c));
+ }
+ return(c);
+}
--- /dev/null
+# GNU C version 4.0.1 (Apple Inc. build 5465) (i686-apple-darwin9)
+# compiled by GNU C version 4.0.1 (Apple Inc. build 5465).
+# GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
+# options passed: -D__DYNAMIC__ -fPIC -mmacosx-version-min=10.5.1 -m64
+# -mtune=generic -march=apple -auxbase -fverbose-asm
+# options enabled: -fPIC -falign-jumps-max-skip -falign-loops
+# -falign-loops-max-skip -fargument-alias -fasynchronous-unwind-tables
+# -fbranch-count-reg -fcommon -feliminate-unused-debug-types -ffunction-cse
+# -fgcse-lm -fident -fivopts -fkeep-static-consts -fleading-underscore
+# -flocal-alloc -floop-optimize2 -fpeephole -freg-struct-return
+# -fsched-interblock -fsched-spec -fsched-stalled-insns-dep
+# -fsplit-ivs-in-unroller -ftree-loop-im -ftree-loop-ivcanon
+# -ftree-loop-optimize -funwind-tables -fverbose-asm
+# -fzero-initialized-in-bss -m80387 -mhard-float -mno-soft-float -mieee-fp
+# -mfp-ret-in-387 -maccumulate-outgoing-args -mmmx -msse -msse2 -msse3
+# -m128bit-long-double -m64 -mtune=generic64 -march=apple
+# -mmacosx-version-min=10.5.1
+
+# Compiler executable checksum: 0a7d9e41e786877ed5cbeb90e063cdab
+
+.globl _BBSQUARE
+ .data
+ .align 5
+_BBSQUARE:
+ .quad 1
+ .quad 2
+ .quad 4
+ .quad 8
+ .quad 16
+ .quad 32
+ .quad 64
+ .quad 128
+ .quad 256
+ .quad 512
+ .quad 1024
+ .quad 2048
+ .quad 4096
+ .quad 8192
+ .quad 16384
+ .quad 32768
+ .quad 65536
+ .quad 131072
+ .quad 262144
+ .quad 524288
+ .quad 1048576
+ .quad 2097152
+ .quad 4194304
+ .quad 8388608
+ .quad 16777216
+ .quad 33554432
+ .quad 67108864
+ .quad 134217728
+ .quad 268435456
+ .quad 536870912
+ .quad 1073741824
+ .quad 2147483648
+ .quad 4294967296
+ .quad 8589934592
+ .quad 17179869184
+ .quad 34359738368
+ .quad 68719476736
+ .quad 137438953472
+ .quad 274877906944
+ .quad 549755813888
+ .quad 1099511627776
+ .quad 2199023255552
+ .quad 4398046511104
+ .quad 8796093022208
+ .quad 17592186044416
+ .quad 35184372088832
+ .quad 70368744177664
+ .quad 140737488355328
+ .quad 281474976710656
+ .quad 562949953421312
+ .quad 1125899906842624
+ .quad 2251799813685248
+ .quad 4503599627370496
+ .quad 9007199254740992
+ .quad 18014398509481984
+ .quad 36028797018963968
+ .quad 72057594037927936
+ .quad 144115188075855872
+ .quad 288230376151711744
+ .quad 576460752303423488
+ .quad 1152921504606846976
+ .quad 2305843009213693952
+ .quad 4611686018427387904
+ .quad -9223372036854775808
+.globl _BBWHITESQ
+ .align 3
+_BBWHITESQ:
+ .quad -6172840429334713771
+.globl _BBBLACKSQ
+ .align 3
+_BBBLACKSQ:
+ .quad 6172840429334713770
+.globl _BBFILE
+ .align 5
+_BBFILE:
+ .quad 72340172838076673
+ .quad 144680345676153346
+ .quad 289360691352306692
+ .quad 578721382704613384
+ .quad 1157442765409226768
+ .quad 2314885530818453536
+ .quad 4629771061636907072
+ .quad -9187201950435737472
+.globl _BBRANK
+ .align 5
+_BBRANK:
+ .quad 0
+ .quad -72057594037927936
+ .quad 71776119061217280
+ .quad 280375465082880
+ .quad 1095216660480
+ .quad 4278190080
+ .quad 16711680
+ .quad 65280
+ .quad 255
+.globl _BBROOK_PAWNS
+ .align 3
+_BBROOK_PAWNS:
+ .quad -9114861777597660799
+ .text
+.globl _SlowCountBits
+_SlowCountBits:
+LFB33:
+ pushq %rbp #
+LCFI0:
+ movq %rsp, %rbp #,
+LCFI1:
+ movq %rdi, -24(%rbp) # bb, bb
+ movl $0, -4(%rbp) #, uCount
+ jmp L2 #
+L3:
+ leaq -4(%rbp), %rax #, tmp63
+ incl (%rax) # uCount
+ movq -24(%rbp), %rdx # bb, D.5028
+ decq %rdx # D.5028
+ leaq -24(%rbp), %rax #, tmp65
+ andq %rdx, (%rax) # D.5028, bb
+L2:
+ cmpq $0, -24(%rbp) #, bb
+ jne L3 #,
+ movl -4(%rbp), %eax # uCount, D.5029
+ leave
+ ret
+LFE33:
+ .const
+ .align 5
+_foldedTable:
+ .long 63
+ .long 30
+ .long 3
+ .long 32
+ .long 59
+ .long 14
+ .long 11
+ .long 33
+ .long 60
+ .long 24
+ .long 50
+ .long 9
+ .long 55
+ .long 19
+ .long 21
+ .long 34
+ .long 61
+ .long 29
+ .long 2
+ .long 53
+ .long 51
+ .long 23
+ .long 41
+ .long 18
+ .long 56
+ .long 28
+ .long 1
+ .long 43
+ .long 46
+ .long 27
+ .long 0
+ .long 35
+ .long 62
+ .long 31
+ .long 58
+ .long 4
+ .long 5
+ .long 49
+ .long 54
+ .long 6
+ .long 15
+ .long 52
+ .long 12
+ .long 40
+ .long 7
+ .long 42
+ .long 45
+ .long 16
+ .long 25
+ .long 57
+ .long 48
+ .long 13
+ .long 10
+ .long 39
+ .long 8
+ .long 44
+ .long 20
+ .long 47
+ .long 38
+ .long 22
+ .long 17
+ .long 37
+ .long 36
+ .long 26
+ .text
+.globl _DeBruijnFirstBit
+_DeBruijnFirstBit:
+LFB34:
+ pushq %rbp #
+LCFI2:
+ movq %rsp, %rbp #,
+LCFI3:
+ movq %rdi, -24(%rbp) # bb, bb
+ cmpq $0, -24(%rbp) #, bb
+ jne L7 #,
+ movl $0, -28(%rbp) #, D.5036
+ jmp L9 #
+L7:
+ movq -24(%rbp), %rdx # bb, D.5037
+ decq %rdx # D.5037
+ leaq -24(%rbp), %rax #, tmp77
+ xorq %rdx, (%rax) # D.5037, bb
+ movq -24(%rbp), %rax # bb, bb
+ movl %eax, %edx # bb, D.5038
+ movq -24(%rbp), %rax # bb, bb
+ shrq $32, %rax #, D.5039
+ xorl %edx, %eax # D.5038, tmp70
+ movl %eax, -4(%rbp) # tmp70, folded
+ movl -4(%rbp), %eax # folded, folded
+ imull $2015959759, %eax, %eax #, folded, D.5041
+ sarl $26, %eax #, D.5042
+ cltq
+ leaq 0(,%rax,4), %rdx #, tmp73
+ leaq _foldedTable(%rip), %rax #, tmp74
+ movl (%rdx,%rax), %eax # foldedTable, D.5043
+ incl %eax # D.5044
+ movl %eax, -28(%rbp) # D.5044, D.5036
+L9:
+ movl -28(%rbp), %eax # D.5036, <result>
+ leave
+ ret
+LFE34:
+ .data
+ .align 5
+_uTable.5051:
+ .long 0
+ .long 1
+ .long 2
+ .long 1
+ .long 3
+ .long 1
+ .long 2
+ .long 1
+ .long 4
+ .long 1
+ .long 2
+ .long 1
+ .long 3
+ .long 1
+ .long 2
+ .long 1
+ .text
+.globl _SlowFirstBit
+_SlowFirstBit:
+LFB35:
+ pushq %rbp #
+LCFI4:
+ movq %rsp, %rbp #,
+LCFI5:
+ movq %rdi, -24(%rbp) # bb, bb
+ movl $0, -8(%rbp) #, uShifts
+ jmp L12 #
+L13:
+ movq -24(%rbp), %rax # bb, bb
+ andl $15, %eax #, tmp65
+ movl %eax, -4(%rbp) # tmp65, u
+ cmpl $0, -4(%rbp) #, u
+ je L14 #,
+ movl -4(%rbp), %eax # u, u.5
+ mov %eax, %eax # u.5, u.5
+ leaq 0(,%rax,4), %rdx #, tmp67
+ leaq _uTable.5051(%rip), %rax #, tmp68
+ movl (%rdx,%rax), %edx # uTable, D.5060
+ movl -8(%rbp), %eax # uShifts, uShifts
+ sall $2, %eax #, D.5061
+ addl %eax, %edx # D.5061,
+ movl %edx, -28(%rbp) #, D.5058
+ jmp L16 #
+L14:
+ leaq -24(%rbp), %rax #, tmp72
+ shrq $4, (%rax) #, bb
+ leaq -8(%rbp), %rax #, tmp74
+ incl (%rax) # uShifts
+L12:
+ cmpq $0, -24(%rbp) #, bb
+ jne L13 #,
+ movl $0, -28(%rbp) #, D.5058
+L16:
+ movl -28(%rbp), %eax # D.5058, <result>
+ leave
+ ret
+LFE35:
+ .data
+ .align 5
+_uTable.5068:
+ .long 0
+ .long 1
+ .long 2
+ .long 2
+ .long 3
+ .long 3
+ .long 3
+ .long 3
+ .long 4
+ .long 4
+ .long 4
+ .long 4
+ .long 4
+ .long 4
+ .long 4
+ .long 4
+ .text
+.globl _SlowLastBit
+_SlowLastBit:
+LFB36:
+ pushq %rbp #
+LCFI6:
+ movq %rsp, %rbp #,
+LCFI7:
+ movq %rdi, -24(%rbp) # bb, bb
+ movl $15, -8(%rbp) #, uShifts
+ jmp L20 #
+L21:
+ movabsq $-1152921504606846976, %rax #, tmp65
+ andq -24(%rbp), %rax # bb, D.5074
+ shrq $60, %rax #, D.5075
+ movl %eax, -4(%rbp) # D.5075, u
+ cmpl $0, -4(%rbp) #, u
+ je L22 #,
+ movl -4(%rbp), %eax # u, u.6
+ mov %eax, %eax # u.6, u.6
+ leaq 0(,%rax,4), %rdx #, tmp67
+ leaq _uTable.5068(%rip), %rax #, tmp68
+ movl (%rdx,%rax), %edx # uTable, D.5078
+ movl -8(%rbp), %eax # uShifts, uShifts
+ sall $2, %eax #, D.5079
+ addl %eax, %edx # D.5079,
+ movl %edx, -28(%rbp) #, D.5076
+ jmp L24 #
+L22:
+ leaq -24(%rbp), %rax #, tmp72
+ salq $4, (%rax) #, bb
+ leaq -8(%rbp), %rax #, tmp74
+ decl (%rax) # uShifts
+L20:
+ cmpq $0, -24(%rbp) #, bb
+ jne L21 #,
+ movl $0, -28(%rbp) #, D.5076
+L24:
+ movl -28(%rbp), %eax # D.5076, <result>
+ leave
+ ret
+LFE36:
+.globl _CoorFromBitBoardRank8ToRank1
+_CoorFromBitBoardRank8ToRank1:
+LFB37:
+ pushq %rbp #
+LCFI8:
+ movq %rsp, %rbp #,
+LCFI9:
+ subq $32, %rsp #,
+LCFI10:
+ movq %rdi, -24(%rbp) # pbb, pbb
+ movl $136, -8(%rbp) #, c
+ movq -24(%rbp), %rax # pbb, pbb
+ movq (%rax), %rdi #* pbb, D.5088
+ call _FirstBit #
+ movl %eax, -4(%rbp) # D.5089, uFirstBit
+ cmpl $0, -4(%rbp) #, uFirstBit
+ je L28 #,
+ leaq -4(%rbp), %rax #, tmp76
+ decl (%rax) # uFirstBit
+ movl -4(%rbp), %eax # uFirstBit, D.5090
+ andl $248, %eax #, D.5090
+ leal (%rax,%rax), %edx #, D.5091
+ movl -4(%rbp), %eax # uFirstBit, D.5092
+ andl $7, %eax #, D.5092
+ orl %edx, %eax # D.5091, tmp70
+ movl %eax, -8(%rbp) # tmp70, c
+ movq -24(%rbp), %rax # pbb, pbb
+ movq (%rax), %rdx #* pbb, D.5093
+ movq -24(%rbp), %rax # pbb, pbb
+ movq (%rax), %rax #* pbb, D.5094
+ decq %rax # D.5095
+ andq %rax, %rdx # D.5095, D.5096
+ movq -24(%rbp), %rax # pbb, pbb
+ movq %rdx, (%rax) # D.5096,* pbb
+L28:
+ movl -8(%rbp), %eax # c, D.5097
+ leave
+ ret
+LFE37:
+.globl _CoorFromBitBoardRank1ToRank8
+_CoorFromBitBoardRank1ToRank8:
+LFB38:
+ pushq %rbp #
+LCFI11:
+ movq %rsp, %rbp #,
+LCFI12:
+ subq $32, %rsp #,
+LCFI13:
+ movq %rdi, -24(%rbp) # pbb, pbb
+ movq -24(%rbp), %rax # pbb, pbb
+ movq (%rax), %rdi #* pbb, D.5106
+ call _LastBit #
+ movl %eax, -4(%rbp) # D.5107, uLastBit
+ movl $136, -8(%rbp) #, c
+ cmpl $0, -4(%rbp) #, uLastBit
+ je L32 #,
+ leaq -4(%rbp), %rax #, tmp76
+ decl (%rax) # uLastBit
+ movq -24(%rbp), %rax # pbb, pbb
+ movq (%rax), %rdx #* pbb, D.5108
+ movq -24(%rbp), %rax # pbb, pbb
+ movq (%rax), %rax #* pbb, D.5109
+ decq %rax # D.5110
+ andq %rax, %rdx # D.5110, D.5111
+ movq -24(%rbp), %rax # pbb, pbb
+ movq %rdx, (%rax) # D.5111,* pbb
+ movl -4(%rbp), %eax # uLastBit, D.5112
+ andl $248, %eax #, D.5112
+ leal (%rax,%rax), %edx #, D.5113
+ movl -4(%rbp), %eax # uLastBit, D.5114
+ andl $7, %eax #, D.5114
+ orl %edx, %eax # D.5113, tmp73
+ movl %eax, -8(%rbp) # tmp73, c
+L32:
+ movl -8(%rbp), %eax # c, D.5115
+ leave
+ ret
+LFE38:
+ .section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
+EH_frame1:
+ .set L$set$0,LECIE1-LSCIE1
+ .long L$set$0
+LSCIE1:
+ .long 0x0
+ .byte 0x1
+ .ascii "zR\0"
+ .byte 0x1
+ .byte 0x78
+ .byte 0x10
+ .byte 0x1
+ .byte 0x10
+ .byte 0xc
+ .byte 0x7
+ .byte 0x8
+ .byte 0x90
+ .byte 0x1
+ .align 3
+LECIE1:
+ .globl _SlowCountBits.eh
+_SlowCountBits.eh:
+LSFDE1:
+ .set L$set$1,LEFDE1-LASFDE1
+ .long L$set$1
+LASFDE1:
+ .long LASFDE1-EH_frame1
+ .quad LFB33-.
+ .set L$set$2,LFE33-LFB33
+ .quad L$set$2
+ .byte 0x0
+ .byte 0x4
+ .set L$set$3,LCFI0-LFB33
+ .long L$set$3
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$4,LCFI1-LCFI0
+ .long L$set$4
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE1:
+ .globl _DeBruijnFirstBit.eh
+_DeBruijnFirstBit.eh:
+LSFDE3:
+ .set L$set$5,LEFDE3-LASFDE3
+ .long L$set$5
+LASFDE3:
+ .long LASFDE3-EH_frame1
+ .quad LFB34-.
+ .set L$set$6,LFE34-LFB34
+ .quad L$set$6
+ .byte 0x0
+ .byte 0x4
+ .set L$set$7,LCFI2-LFB34
+ .long L$set$7
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$8,LCFI3-LCFI2
+ .long L$set$8
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE3:
+ .globl _SlowFirstBit.eh
+_SlowFirstBit.eh:
+LSFDE5:
+ .set L$set$9,LEFDE5-LASFDE5
+ .long L$set$9
+LASFDE5:
+ .long LASFDE5-EH_frame1
+ .quad LFB35-.
+ .set L$set$10,LFE35-LFB35
+ .quad L$set$10
+ .byte 0x0
+ .byte 0x4
+ .set L$set$11,LCFI4-LFB35
+ .long L$set$11
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$12,LCFI5-LCFI4
+ .long L$set$12
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE5:
+ .globl _SlowLastBit.eh
+_SlowLastBit.eh:
+LSFDE7:
+ .set L$set$13,LEFDE7-LASFDE7
+ .long L$set$13
+LASFDE7:
+ .long LASFDE7-EH_frame1
+ .quad LFB36-.
+ .set L$set$14,LFE36-LFB36
+ .quad L$set$14
+ .byte 0x0
+ .byte 0x4
+ .set L$set$15,LCFI6-LFB36
+ .long L$set$15
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$16,LCFI7-LCFI6
+ .long L$set$16
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE7:
+ .globl _CoorFromBitBoardRank8ToRank1.eh
+_CoorFromBitBoardRank8ToRank1.eh:
+LSFDE9:
+ .set L$set$17,LEFDE9-LASFDE9
+ .long L$set$17
+LASFDE9:
+ .long LASFDE9-EH_frame1
+ .quad LFB37-.
+ .set L$set$18,LFE37-LFB37
+ .quad L$set$18
+ .byte 0x0
+ .byte 0x4
+ .set L$set$19,LCFI8-LFB37
+ .long L$set$19
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$20,LCFI9-LCFI8
+ .long L$set$20
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE9:
+ .globl _CoorFromBitBoardRank1ToRank8.eh
+_CoorFromBitBoardRank1ToRank8.eh:
+LSFDE11:
+ .set L$set$21,LEFDE11-LASFDE11
+ .long L$set$21
+LASFDE11:
+ .long LASFDE11-EH_frame1
+ .quad LFB38-.
+ .set L$set$22,LFE38-LFB38
+ .quad L$set$22
+ .byte 0x0
+ .byte 0x4
+ .set L$set$23,LCFI11-LFB38
+ .long L$set$23
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$24,LCFI12-LCFI11
+ .long L$set$24
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE11:
+ .subsections_via_symbols
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ board.c
+
+Abstract:
+
+ Chess-board related functions.
+
+Author:
+
+
+Revision History:
+
+ $Id: board.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+void
+SetRootToInitialPosition(void)
+/**
+
+Routine description:
+
+ Sets the root position to the initial position.
+
+Parameters:
+
+ none
+
+Return value:
+
+ void
+
+**/
+{
+#ifdef DEBUG
+ POSITION *pos;
+#endif
+
+ (void)SetRootPosition(STARTING_POSITION_IN_FEN);
+#ifdef DEBUG
+ pos = GetRootPosition();
+
+ //
+ // Sanity check the sig system. Note: if this changes then any
+ // opening books need to be reconstructed.
+ //
+ ASSERT(pos->u64NonPawnSig == 0xd46f3e84d897a443ULL);
+ ASSERT(pos->u64PawnSig == 0xa9341a54d7352d3cULL);
+
+ ASSERT_ASM_ASSUMPTIONS;
+#endif
+}
+
+
+CHAR *
+DrawTextBoardFromPosition(POSITION *pos)
+/**
+
+Routine description:
+
+ Draw a text-based representation of the board configuration in
+ POSITION pos and returned it as a string. Note: this function is
+ _NOT_ thread safe.
+
+Parameters:
+
+ POSITION *pos : position to draw
+
+Return value:
+
+ static char * : my drawing
+
+**/
+{
+ static char buf[MEDIUM_STRING_LEN_CHAR];
+ COOR f, r;
+
+ memset(buf, 0, sizeof(buf));
+ strcpy(buf, " 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07\n");
+ strcat(buf, " +---------------------------------------+\n");
+ for (r = 8; r >= 1; r--)
+ {
+ sprintf(buf, "%s %u |", buf, r);
+
+ for (f = A; f <= H; f++)
+ {
+ if (IS_WHITE_SQUARE_FR(f, r))
+ {
+ if (IS_EMPTY(pos->rgSquare[FILE_RANK_TO_COOR(f,r)].pPiece))
+ {
+ sprintf(buf, "%s%s", buf, " |");
+ }
+ else
+ {
+ sprintf(buf, "%s %2s |", buf,
+ PieceAbbrev(pos->rgSquare[FILE_RANK_TO_COOR(f,r)].pPiece));
+ }
+ }
+ else
+ {
+ if (IS_EMPTY(pos->rgSquare[FILE_RANK_TO_COOR(f,r)].pPiece))
+ {
+ sprintf(buf, "%s%s", buf, "::::|");
+ }
+ else
+ {
+ sprintf(buf, "%s:%2s:|", buf,
+ PieceAbbrev(pos->rgSquare[FILE_RANK_TO_COOR(f,r)].pPiece));
+ }
+ }
+ }
+ sprintf(buf, "%s 0x%x0\n", buf, (8 - r));
+ }
+ strcat(buf, " +---------------------------------------+\n");
+ strcat(buf, " A B C D E F G H\n\n");
+ return(buf);
+}
+
+
+FLAG
+VerifyPositionConsistency(POSITION *pos,
+ FLAG fContinue)
+/**
+
+Routine description:
+
+ Verifies the internal consistency of a POSITION structure. Looks
+ for defects like bad piece lists, bad piece counts, bad material
+ counts, etc...
+
+Parameters:
+
+ POSITION *pos : the position to verify
+
+Return value:
+
+ FLAG : TRUE if consistent, FALSE otherwise
+
+**/
+{
+ static char *szExplainations[] = {
+ "Pawn signature mismatch",
+ "Main signature mismatch",
+ "Invalid enpassant square",
+ "Material balance for white != -Material balance for black",
+ "White castled already and can still castle",
+ "Black castled already and can still castle",
+ "Pawn list points to non-pawn square on board",
+ "Square pointed to by pawn list doesn't point back",
+ "Piece list points to non-piece square on board",
+ "Square pointed to by the non-piece list doesn't point back",
+ "Non-king piece in 0th position of list",
+ "Invalid piece sitting in non-pawn list entry",
+ "Counted pawn material != expected material sum",
+ "Counted piece material != expected material sum",
+ "Total army material != expected material sum",
+ "More white square bishops than total bishop count",
+ "Strange bits flipped in board square",
+ "More pawns on board than accounted for in pawn material",
+ "More pieces on board than accounted for in piece material",
+ "Extra pieces on board that are not accounted for",
+ "Fifty move counter is too high",
+ };
+ ULONG u, v;
+ COOR c;
+ ULONG uPawnMaterial[2] = {0, 0};
+ ULONG uPawnCount[2] = {0, 0};
+ ULONG uNonPawnMaterial[2] = {0, 0};
+ ULONG uNonPawnCount[2][7];
+ ULONG uSigmaNonPawnCount[2] = {0, 0};
+ ULONG uWhiteSqBishopCount[2] = {0, 0};
+ UINT64 u64Computed;
+ PIECE p;
+ FLAG fRet = FALSE;
+ ULONG uReason = (ULONG)-1;
+
+ memset(uNonPawnCount, 0, sizeof(uNonPawnCount));
+ u64Computed = ComputeSig(pos);
+ if (pos->u64NonPawnSig != u64Computed)
+ {
+ uReason = 0;
+ goto end;
+ }
+
+ u64Computed = ComputePawnSig(pos);
+ if (pos->u64PawnSig != u64Computed)
+ {
+ uReason = 1;
+ goto end;
+ }
+
+ if (!VALID_EP_SQUARE(pos->cEpSquare))
+ {
+ uReason = 2;
+ goto end;
+ }
+
+ if (pos->iMaterialBalance[WHITE] != -pos->iMaterialBalance[BLACK])
+ {
+ uReason = 3;
+ goto end;
+ }
+
+ if (pos->iMaterialBalance[WHITE] !=
+ ((SCORE)(pos->uPawnMaterial[WHITE] + pos->uNonPawnMaterial[WHITE]) -
+ (SCORE)(pos->uPawnMaterial[BLACK] + pos->uNonPawnMaterial[BLACK])))
+ {
+ uReason = 3;
+ goto end;
+ }
+
+ FOREACH_COLOR(u)
+ {
+ //
+ // If a side has already castled it shouldn't have legal castling
+ // options.
+ //
+ if (TRUE == pos->fCastled[u])
+ {
+ if (u == WHITE)
+ {
+ if (pos->bvCastleInfo & WHITE_CAN_CASTLE)
+ {
+ uReason = 4;
+ goto end;
+ }
+ }
+ else
+ {
+ ASSERT(u == BLACK);
+ if (pos->bvCastleInfo & BLACK_CAN_CASTLE)
+ {
+ uReason = 5;
+ goto end;
+ }
+ }
+ }
+
+ //
+ // Make sure the pawns are where they should be
+ //
+ for (v = 0; v < pos->uPawnCount[u]; v++)
+ {
+ c = pos->cPawns[u][v];
+ if (IS_ON_BOARD(c))
+ {
+ if (pos->rgSquare[c].pPiece != ((PAWN << 1) | u))
+ {
+ uReason = 6;
+ goto end;
+ }
+
+ if (pos->rgSquare[c].uIndex != v)
+ {
+ uReason = 7;
+ goto end;
+ }
+ uPawnMaterial[u] += VALUE_PAWN;
+ uPawnCount[u]++;
+ }
+ }
+
+ //
+ // Make sure the non-pawns are where they should be
+ //
+ for (v = 0; v < 16; v++)
+ {
+ c = pos->cNonPawns[u][v];
+ if (v < pos->uNonPawnCount[u][0])
+ {
+ if (!IS_ON_BOARD(c))
+ {
+ uReason = 8;
+ goto end;
+ }
+ else
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (pos->rgSquare[c].uIndex != v)
+ {
+ uReason = 9;
+ goto end;
+ }
+
+ //
+ // 0th spot must be a king
+ //
+ if ((v == 0) && (!IS_KING(p)))
+ {
+ uReason = 10;
+ goto end;
+ }
+
+ if ((!IS_VALID_PIECE(p)) || (PIECE_COLOR(p) != u))
+ {
+ uReason = 11;
+ goto end;
+ }
+ uNonPawnCount[u][PIECE_TYPE(p)]++;
+ uNonPawnMaterial[u] += PIECE_VALUE(p);
+ if ((IS_BISHOP(p)) &&
+ (IS_WHITE_SQUARE_COOR(c)))
+ {
+ uWhiteSqBishopCount[u]++;
+ }
+ }
+ }
+ else
+ {
+ //
+ // The first off-board is the last, the list must not
+ // have gaps in it followed by good piece data again.
+ //
+ break;
+ }
+ }
+ }
+
+ FOREACH_COLOR(u)
+ {
+ //
+ // Make sure the materials and counts match up with what we
+ // got when walking the piece lists
+ //
+ if ((pos->uPawnMaterial[u] != uPawnMaterial[u]) ||
+ (pos->uPawnCount[u] != uPawnCount[u]) ||
+ (pos->uPawnMaterial[u] != pos->uPawnCount[u] * VALUE_PAWN))
+ {
+ uReason = 12;
+ goto end;
+ }
+
+ for (v = KNIGHT; v <= KING; v++)
+ {
+ if (pos->uNonPawnCount[u][v] != uNonPawnCount[u][v])
+ {
+ uReason = 13;
+ goto end;
+ }
+ uSigmaNonPawnCount[u] += pos->uNonPawnCount[u][v];
+ }
+
+ //
+ // Note: the 0th spot in the array is the sum of all non pawns
+ //
+ if (uSigmaNonPawnCount[u] != pos->uNonPawnCount[u][0])
+ {
+ uReason = 14;
+ goto end;
+ }
+
+ //
+ // You can't have more white-square bishops than you have
+ // bishops.
+ //
+ if (pos->uWhiteSqBishopCount[u] > pos->uNonPawnCount[u][BISHOP])
+ {
+ uReason = 15;
+ goto end;
+ }
+ }
+
+ //
+ // Now walk the actual board and reduce the material counts we got
+ // by walking the piece lists. If everything is ok then the
+ // material counts will end up at 0. If there are pieces on the
+ // board that are not on a list or pieces in a list that are not
+ // on the board this will catch it.
+ //
+ FOREACH_SQUARE(c)
+ {
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+
+ if (EMPTY != p)
+ {
+ //
+ // Make sure none of these have strange bits flipped
+ //
+ if (p & 0xFFFFFFF0)
+ {
+ uReason = 16;
+ goto end;
+ }
+
+ u = PIECE_COLOR(p);
+ if (IS_PAWN(p))
+ {
+ uPawnMaterial[u] -= VALUE_PAWN;
+ if (pos->rgSquare[c].uIndex > pos->uPawnCount[u])
+ {
+ uReason = 17;
+ goto end;
+ }
+ }
+ else
+ {
+ uNonPawnMaterial[u] -= PIECE_VALUE(p);
+ if (pos->rgSquare[c].uIndex > pos->uNonPawnCount[u][0])
+ {
+ uReason = 18;
+ goto end;
+ }
+ }
+ }
+ }
+ }
+
+ if ((uPawnMaterial[WHITE] + uPawnMaterial[BLACK] +
+ uNonPawnMaterial[WHITE] + uNonPawnMaterial[BLACK]) != 0)
+ {
+ uReason = 19;
+ goto end;
+ }
+
+// if (pos->uFifty > 101)
+// {
+// uReason = 20;
+// goto end;
+// }
+
+ //
+ // Looks Ok
+ //
+ fRet = TRUE;
+
+ end:
+ if (FALSE == fRet)
+ {
+ if (FALSE == fContinue)
+ {
+ UtilPanic(INCONSISTENT_POSITION,
+ pos, szExplainations[uReason], NULL, NULL,
+ __FILE__, __LINE__);
+ ASSERT(FALSE);
+ }
+ }
+ return(fRet);
+}
+
+
+
+FLAG
+PositionsAreEquivalent(POSITION *p1,
+ POSITION *p2)
+/**
+
+Routine description:
+
+ Compare two positions and decide whether they are the same
+ position. Note: this code is meant to be accessed from test code
+ or from non-speed critical codepaths. Comparing their signatures
+ should be sufficient to determine whether they are the same in
+ production code.
+
+Parameters:
+
+ POSITION *p1 : first position to compare
+ POSITION *p2 : second position to compare
+
+Return value:
+
+ FLAG : TRUE if they are the same position, FALSE otherwise
+
+**/
+{
+ COOR c;
+ ULONG u;
+
+ if ((p1->u64NonPawnSig != p2->u64NonPawnSig) ||
+ (p1->u64PawnSig != p2->u64PawnSig) ||
+ (p1->uToMove != p2->uToMove) ||
+ (p1->uFifty != p2->uFifty) ||
+ (p1->bvCastleInfo != p2->bvCastleInfo) ||
+ (p1->cEpSquare != p2->cEpSquare))
+ {
+ return(FALSE);
+ }
+
+ FOREACH_COLOR(u)
+ {
+ if ((p1->fCastled[u] != p2->fCastled[u]) ||
+ (p1->uWhiteSqBishopCount[u] != p2->uWhiteSqBishopCount[u]))
+ {
+ return(FALSE);
+ }
+ }
+
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c)) continue;
+
+ if (p1->rgSquare[c].pPiece != p2->rgSquare[c].pPiece)
+ {
+ return(FALSE);
+ }
+ }
+
+ VerifyPositionConsistency(p1, FALSE);
+ VerifyPositionConsistency(p2, FALSE);
+ return(TRUE);
+}
+
+
+char *
+CastleInfoString(BITV bv)
+/**
+
+Routine description:
+
+ Generate and returns a small string describing the possible
+ castling choices in the bitvector passed in for use in a friandly
+ display or in a FEN string representing a position. This function
+ is _NOT_ thread safe.
+
+Parameters:
+
+ BITV bv : the castling bitvector
+
+Return value:
+
+ char * : the string, either '-' signifying none possible or some
+ combination of:
+
+ K = white kingside possible
+ Q = white queenside possibe
+ k = black kingside possible
+ q = black queenside possible
+
+**/
+{
+ static char buf[5];
+ char *p = buf;
+
+ memset(buf, 0, sizeof(buf));
+ ASSERT((bv & ~CASTLE_ALL_POSSIBLE) == 0);
+
+ if (bv == 0)
+ {
+ *p++ = '-';
+ }
+ else
+ {
+ if (bv & CASTLE_WHITE_SHORT)
+ {
+ *p++ = 'K';
+ }
+
+ if (bv & CASTLE_WHITE_LONG)
+ {
+ *p++ = 'Q';
+ }
+
+ if (bv & CASTLE_BLACK_SHORT)
+ {
+ *p++ = 'k';
+ }
+
+ if (bv & CASTLE_BLACK_LONG)
+ {
+ *p++ = 'q';
+ }
+ }
+ return(buf);
+}
+
+
+void
+DumpPosition(POSITION *pos)
+/**
+
+Routine description:
+
+ Dump an ASCII representation of POSITION pos on stdout.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ void
+
+**/
+{
+ char *p;
+#ifdef DEBUG
+ ULONG u;
+ if (!VerifyPositionConsistency(pos, TRUE))
+ {
+ Bug("===========================================================================\n"
+ " WARNING: The following position seems to be inconsistent. I'll do my best\n"
+ " to render it but this may not be such a good idea...\n"
+ "===========================================================================\n\n");
+ }
+#endif
+ p = PositionToFen(pos);
+ if (g_Options.fRunningUnderXboard)
+ {
+ Trace("; PositionToFen(pos): %s\n", p);
+ goto end;
+ }
+ else
+ {
+ Trace("FEN: %s\n\n", p);
+ }
+
+#ifdef DEBUG
+ Trace("--------------------------------------------------------------------------------\n"
+ "PositionToFen(pos): %s\n\n"
+
+ "POSITION (@%p):\n"
+ " +0x%03x u64NonPawnSig : %"
+ COMPILER_LONGLONG_HEX_FORMAT "\n"
+ " +0x%03x u64PawnSig : %"
+ COMPILER_LONGLONG_HEX_FORMAT "\n"
+ " u64NonPawnSig ^ u64PawnSig: %"
+ COMPILER_LONGLONG_HEX_FORMAT "\n"
+ " +0x%03x pSquare[128] : \n\n"
+ "%s"
+ " +0x%03x uToMove : 0x%02x (%s)\n"
+ " +0x%03x uFifty : 0x%02x (%u moves)\n"
+ " +0x%03x fCastled[2] : W:0x%02x B:0x%02x\n"
+ " +0x%03x bvCastleInfo : 0x%02x (%s)\n"
+ " +0x%03x cEpSquare : 0x%02x (%s)\n"
+ " +0x%03x cPawns[2][8] : \n",
+ p,
+ pos,
+ OFFSET_OF(u64PawnSig, POSITION), pos->u64PawnSig,
+ OFFSET_OF(u64NonPawnSig, POSITION), pos->u64NonPawnSig,
+ pos->u64NonPawnSig ^ pos->u64PawnSig,
+ OFFSET_OF(rgSquare, POSITION), DrawTextBoardFromPosition(pos),
+ OFFSET_OF(uToMove, POSITION), pos->uToMove, ColorToString(pos->uToMove),
+ OFFSET_OF(uFifty, POSITION), pos->uFifty, pos->uFifty,
+ OFFSET_OF(fCastled, POSITION), pos->fCastled[WHITE], pos->fCastled[BLACK],
+ OFFSET_OF(bvCastleInfo, POSITION), pos->bvCastleInfo, CastleInfoString(pos->bvCastleInfo),
+ OFFSET_OF(cEpSquare, POSITION), pos->cEpSquare, (IS_ON_BOARD(pos->cEpSquare) ? CoorToString(pos->cEpSquare) : "none"),
+ OFFSET_OF(cPawns, POSITION));
+
+ Trace(" W: ");
+ for (u = 0; u < pos->uPawnCount[WHITE]; u++)
+ {
+ Trace("0x%02x[%s] ",
+ pos->cPawns[WHITE][u],
+ CoorToString(pos->cPawns[WHITE][u]));
+ ASSERT(IS_ON_BOARD(pos->cPawns[WHITE][u]));
+ }
+
+ Trace("\n"
+ " B: ");
+ for (u = 0; u < pos->uPawnCount[BLACK]; u++)
+ {
+ Trace("0x%02x[%s] ",
+ pos->cPawns[BLACK][u],
+ CoorToString(pos->cPawns[BLACK][u]));
+ ASSERT(IS_ON_BOARD(pos->cPawns[BLACK][u]));
+ }
+
+ Trace("\n"
+ " +0x%03x uPawnMaterial[2] : W:0x%02x (%u, pawn=%u)\n"
+ " : B:0x%02x (%u, pawn=%u)\n"
+ " +0x%03x uPawnCount[2] : W:%1u pawns B:%1u pawns\n",
+ OFFSET_OF(uPawnMaterial, POSITION),
+ pos->uPawnMaterial[WHITE], pos->uPawnMaterial[WHITE], VALUE_PAWN,
+ pos->uPawnMaterial[BLACK], pos->uPawnMaterial[BLACK], VALUE_PAWN,
+ OFFSET_OF(uPawnCount, POSITION),
+ pos->uPawnCount[WHITE], pos->uPawnCount[BLACK]);
+
+ Trace(" +0x%03x cNonPawns[2][16] : \n"
+ " W: ", OFFSET_OF(cNonPawns, POSITION));
+ for (u = 0; u < pos->uNonPawnCount[WHITE][0]; u++)
+ {
+ Trace("0x%02x[%s] ",
+ pos->cNonPawns[WHITE][u],
+ CoorToString(pos->cNonPawns[WHITE][u]));
+ ASSERT(IS_ON_BOARD(pos->cNonPawns[WHITE][u]));
+ }
+ Trace("\n"
+ " B: ");
+ for (u = 0; u < pos->uNonPawnCount[BLACK][0]; u++)
+ {
+ Trace("0x%02x[%s] ",
+ pos->cNonPawns[BLACK][u],
+ CoorToString(pos->cNonPawns[BLACK][u]));
+ ASSERT(IS_ON_BOARD(pos->cNonPawns[BLACK][u]));
+ }
+ Trace("\n"
+ " +0x%03x uNonPawnMaterial[2] : W: 0x%02x (%u, pawn=%u)\n"
+ " : B: 0x%02x (%u, pawn=%u)\n"
+ " +0x%03x uNonPawnCount[2][7] : WHITE BLACK\n"
+ " KNIGHT : %u %u\n"
+ " BISHOP : %u %u\n"
+ " WHITE SQUARE BISHOP : %u %u\n"
+ " ROOK : %u %u\n"
+ " QUEEN : %u %u\n"
+ " SUM : %u %u\n",
+ OFFSET_OF(uNonPawnMaterial, POSITION),
+ pos->uNonPawnMaterial[WHITE], pos->uNonPawnMaterial[WHITE],
+ VALUE_PAWN,
+ pos->uNonPawnMaterial[BLACK], pos->uNonPawnMaterial[BLACK],
+ VALUE_PAWN,
+ OFFSET_OF(uNonPawnCount, POSITION),
+ pos->uNonPawnCount[WHITE][KNIGHT], pos->uNonPawnCount[BLACK][KNIGHT],
+ pos->uNonPawnCount[WHITE][BISHOP], pos->uNonPawnCount[BLACK][BISHOP],
+ pos->uWhiteSqBishopCount[WHITE], pos->uWhiteSqBishopCount[BLACK],
+ pos->uNonPawnCount[WHITE][ROOK], pos->uNonPawnCount[BLACK][ROOK],
+ pos->uNonPawnCount[WHITE][QUEEN], pos->uNonPawnCount[BLACK][QUEEN],
+ pos->uNonPawnCount[WHITE][0], pos->uNonPawnCount[BLACK][0]);
+#else
+ Trace("\n%s\n", DrawTextBoardFromPosition(pos));
+#endif
+
+ end:
+ if (NULL != p)
+ {
+ SystemFreeMemory(p);
+ }
+}
+
+//
+// TODO: DumpBoard
+//
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ book.c
+
+Abstract:
+
+ Opening book routines: everything from probing the opening book to
+ building a new one to editing the current book. The structure of
+ a book entry is in book.h. The book is kept on disk and sorted by
+ position signature. There may be more than one entry per
+ signature -- there will be one entry per book move from that
+ positions so for example the initial position will have quite a
+ few entries.
+
+ Probing the book (BookMove, called from Think in brain.c) entails
+ binary searching the on disk book file for a matching signature,
+ reading all entries that match, computing a "weight" for each one,
+ and then randomly choosing one.
+
+ Building a new book is done with a temporary "membook" buffer in
+ memory. It requires quite a bit of memory so before the operation
+ takes place the main hash table and pawn hash table structures are
+ freed (see movelist.c). A PGN file is read one game at a time and
+ the moves are made on a POSITION struct. Once the game is over
+ the signature-move pairs are used to create new entries in the
+ membook. Finally the membook is sorted and written to disk. The
+ process can take a while, especially for a large PGN file or on a
+ machine with limited memory resources.
+
+Author:
+
+
+Revision History:
+
+ $Id: book.c 355 2008-07-01 15:46:43Z scott $
+
+**/
+
+#include "chess.h"
+
+static int g_fdBook = -1; // file descriptor for open book
+static ULONG g_uMemBookCount = 0; // count of entries in membook
+static BOOK_ENTRY *g_pMemBook = NULL; // allocated membook struct
+static BOOK_ENTRY *g_pMemBookHead = NULL; // ptr to 1st entry in membook
+
+//
+// Globals exported
+//
+FLAG g_fTournamentMode = FALSE; // are we in tournament mode
+ULONG g_uBookProbeFailures = 0; // how many times have we missed
+ULONG g_uMemBookSize = 0x1000000;
+OPENING_NAME_MAPPING *g_pOpeningNames = NULL; // opening names file
+
+static FLAG
+_VerifyBook(CHAR *szName)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szName
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ int fd = -1;
+ int iRet;
+ ULONG uPos;
+ ULONG uNum;
+ ULONG u;
+ struct stat s;
+ UINT64 u64LastSig;
+ ULONG uLastMove;
+ BOOK_ENTRY be;
+ FLAG fMyRetVal = FALSE;
+
+ fd = open(szName, O_RDONLY | O_BINARY);
+ if (fd < 0)
+ {
+ Trace("VerifyBook: Can't open %s for read/write.\n", szName);
+ goto end;
+ }
+
+ if (0 != stat(szName, &s))
+ {
+ Trace("VerifyBook: Can't stat %s.\n", szName);
+ goto end;
+ }
+
+ if ((s.st_size % sizeof(BOOK_ENTRY)) != 0)
+ {
+ Trace("VerifyBook: Size of book is not a multiple of entry size.\n");
+ goto end;
+ }
+
+ //
+ // Foreach book entry...
+ //
+ uNum = (s.st_size / sizeof(BOOK_ENTRY));
+ u64LastSig = 0;
+ uLastMove = 0;
+ for (u = 0; u < uNum; u++)
+ {
+ //
+ // Seek to and read the entry.
+ //
+ uPos = u * sizeof(BOOK_ENTRY);
+ if (uPos != lseek(fd, uPos, SEEK_SET))
+ {
+ Trace("VerifyBook: Can't seek to entry %u (offset %u) in book.\n",
+ u, uPos);
+ goto end;
+ }
+ iRet = read(fd, &be, sizeof(BOOK_ENTRY));
+ if (sizeof(BOOK_ENTRY) != iRet)
+ {
+ Trace("VerifyBook: Can't read entry number %u (offset %u) in the "
+ "book. Read returned %u but I expected %u.\n",
+ u, uPos, iRet, sizeof(BOOK_ENTRY));
+ goto end;
+ }
+
+ //
+ // Make sure the book is sorted by signature
+ //
+ if (be.u64Sig < u64LastSig)
+ {
+ Trace("VerifyBook: Book signatures out-of-order at index %u "
+ "(offset %u).\n", u, uPos);
+ goto end;
+ }
+
+ //
+ // If our sig is equal to the last entry's then the move here must
+ // be greater than or equal to the last entry's move.
+ //
+ else if (be.u64Sig == u64LastSig)
+ {
+ if (be.mvNext.uMove < uLastMove)
+ {
+ Trace("VerifyBook: Book moves out-of-order at index %u "
+ "(offset %u).\n", u, uPos);
+ goto end;
+ }
+ }
+
+ u64LastSig = be.u64Sig;
+ uLastMove = be.mvNext.uMove;
+ }
+ fMyRetVal = TRUE;
+
+ end:
+ if (-1 != fd)
+ {
+ close(fd);
+ }
+ return(fMyRetVal);
+}
+
+
+static CHAR *
+_BookLineToString(UINT64 u64Line)
+/**
+
+Routine description:
+
+ Converts a position signature into an opening name, if known.
+
+Parameters:
+
+ UINT64 u64Line
+
+Return value:
+
+ static CHAR
+
+**/
+{
+ ULONG u = 0;
+
+ if (NULL == g_pOpeningNames) return(NULL);
+ while(g_pOpeningNames[u].szString != NULL)
+ {
+ if (g_pOpeningNames[u].u64Sig == u64Line)
+ {
+ return(g_pOpeningNames[u].szString);
+ }
+ u++;
+ }
+ return(NULL);
+}
+
+
+static void
+_DumpUserOpeningList(void)
+/**
+
+Routine description:
+
+ Called in response to a user "book dump openings" command, this
+ routine simply shows every named opening in the opening names
+ file. This file is not the opening book, it's an auxillary disk
+ file containing a list of moves and a name for the opening. It's
+ only used to announce the opening line played in a game and
+ annotate the PGN for a game stored in monsoon's logfile.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ int fd = open(OPENING_LEARNING_FILENAME,
+ O_RDWR | O_CREAT | O_BINARY | O_RANDOM,
+ _S_IREAD | _S_IWRITE);
+ ULONG uNumRecords;
+ ULONG u;
+ OPENING_LEARNING_ENTRY ole;
+ struct stat s;
+ CHAR *p;
+
+ //
+ // If we failed to open it, abort.
+ //
+ if (fd < 0) goto end;
+
+ //
+ // Stat it to see how many entries there are.
+ //
+ if (0 != stat(OPENING_LEARNING_FILENAME, &s))
+ {
+ ASSERT(FALSE);
+ Trace("UpdateUserOpeningList: Corrupt %s file.\n",
+ OPENING_LEARNING_FILENAME);
+ goto end;
+ }
+ if ((s.st_size % sizeof(OPENING_LEARNING_ENTRY)) != 0)
+ {
+ ASSERT(FALSE);
+ Trace("UpdateUserOpeningList: Corrupt %s file.\n",
+ OPENING_LEARNING_FILENAME);
+ goto end;
+ }
+ uNumRecords = s.st_size / sizeof(OPENING_LEARNING_ENTRY);
+ Trace("Learned data on %u openings:\n\n", uNumRecords);
+
+ //
+ // Read each entry looking for a match.
+ //
+ for (u = 0; u < uNumRecords; u++)
+ {
+ if (sizeof(OPENING_LEARNING_ENTRY) !=
+ read(fd, &ole, sizeof(OPENING_LEARNING_ENTRY)))
+ {
+ Trace("UpdateUserOpeningList: Read error.\n");
+ goto end;
+ }
+
+ p = _BookLineToString(ole.u64Sig);
+ if (NULL != p)
+ {
+ Trace("%-45s ww=%u, dr=%u, bw=%u\n",
+ p, ole.uWhiteWins, ole.uDraws, ole.uBlackWins);
+ }
+ }
+
+ end:
+ if (fd >= 0)
+ {
+ close(fd);
+ }
+}
+
+FLAG
+InitializeOpeningBook(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ return(TRUE);
+}
+
+void
+ResetOpeningBook(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ g_uBookProbeFailures = 0;
+}
+
+void
+CleanupOpeningBook(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x = 0;
+
+ //
+ // If we have read an "opening names" list and created a dynamic memory
+ // structure for it, free that now.
+ //
+ if (NULL != g_pOpeningNames)
+ {
+ while (g_pOpeningNames[x].szString != NULL)
+ {
+ SystemFreeMemory(g_pOpeningNames[x].szString);
+ g_pOpeningNames[x].szString = NULL;
+ g_pOpeningNames[x].u64Sig = 0;
+ x++;
+ }
+ SystemFreeMemory(g_pOpeningNames);
+ g_pOpeningNames = NULL;
+ }
+
+ //
+ // Cleanup membook if they quit in the middle of book building somehow
+ //
+ if (NULL != g_pMemBook)
+ {
+ ASSERT(FALSE);
+ SystemFreeMemory(g_pMemBook);
+ }
+}
+
+
+static FLAG
+_BookOpen(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ //
+ // Need to have set the book name before calling this.
+ //
+ if (!strlen(g_Options.szBookName))
+ {
+ return(FALSE);
+ }
+
+ //
+ // Open it.
+ //
+ ASSERT(g_fdBook == -1);
+ g_fdBook = open(g_Options.szBookName,
+ O_RDWR | O_CREAT |
+ O_RANDOM | O_BINARY | _S_IREAD | _S_IWRITE);
+ if (g_fdBook < 0)
+ {
+ Bug("_BookOpen: Failed to open book \"%s\".\n", g_Options.szBookName);
+ return(FALSE);
+ }
+
+ return((FLAG)(g_fdBook >= 0));
+}
+
+
+static void
+_BookClose(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ if (-1 != g_fdBook)
+ {
+ (void)close(g_fdBook);
+ }
+ g_fdBook = -1;
+}
+
+
+static FLAG
+_BookSeek(ULONG n)
+/**
+
+Routine description:
+
+Parameters:
+
+ ULONG n
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ ULONG uPos;
+
+ //
+ // During normal book operations we have an open file handle and we
+ // simply calculate and set its file pointer.
+ //
+ // However when in the process of building the opening book from a
+ // file full of PGN games all book commands access a large buffer in
+ // memory... so instead of setting a file pointer to a byte offset in
+ // the book file on disk, we set a normal pointer to an offset in
+ // this large book building buffer.
+ //
+ if (g_pMemBook == NULL)
+ {
+ uPos = n * sizeof(BOOK_ENTRY);
+ ASSERT(g_fdBook != -1);
+
+ if (uPos != lseek(g_fdBook, uPos, SEEK_SET))
+ {
+ Trace("_BookSeek: Cannot seek to byte offset %u\n", uPos);
+ return(FALSE);
+ }
+ }
+ else
+ {
+ ASSERT(g_uMemBookSize >= 0);
+ ASSERT(n < g_uMemBookSize);
+ g_pMemBookHead = g_pMemBook + n;
+ }
+ return(TRUE);
+}
+
+#if 0
+static FLAG
+_BookWrite(BOOK_ENTRY *x)
+/**
+
+Routine description:
+
+Parameters:
+
+ BOOK_ENTRY *x
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ int iNum;
+
+ //
+ // If we are building the book, operate on memory
+ // buffer... otherwise operate on the book file.
+ //
+ if (g_pMemBook != NULL)
+ {
+ memcpy(g_pMemBookHead, x, sizeof(BOOK_ENTRY));
+ }
+ else
+ {
+ ASSERT(g_fdBook != -1);
+
+ iNum = write(g_fdBook, x, sizeof(BOOK_ENTRY));
+ if (sizeof(BOOK_ENTRY) != iNum)
+ {
+ Trace("_BookWrite: I/O error on fd=%d, got %d and expected %d\n",
+ g_fdBook, iNum, sizeof(BOOK_ENTRY));
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ }
+ return(TRUE);
+}
+#endif
+
+static FLAG
+_BookRead(BOOK_ENTRY *x)
+/**
+
+Routine description:
+
+Parameters:
+
+ BOOK_ENTRY *x
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ int iNum;
+
+ if (g_pMemBook != NULL)
+ {
+ memcpy(x, g_pMemBookHead, sizeof(BOOK_ENTRY));
+ }
+ else
+ {
+ ASSERT(g_fdBook != -1);
+
+ iNum = read(g_fdBook, x, sizeof(BOOK_ENTRY));
+ if (sizeof(BOOK_ENTRY) != iNum)
+ {
+ Trace("_BookRead: I/O error on fd=%d, got %d and expected %d\n",
+ g_fdBook, iNum, sizeof(BOOK_ENTRY));
+ perror("_BookRead");
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ }
+ return(TRUE);
+}
+
+
+static ULONG
+_BookCount(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ struct stat s;
+
+ if (NULL != g_pMemBook)
+ {
+ return(g_uMemBookCount);
+ }
+ else
+ {
+ if (!strlen(g_Options.szBookName))
+ {
+ return(0);
+ }
+
+ if (0 != stat(g_Options.szBookName, &s))
+ {
+ Trace("_BookCount: Stat failed.\n");
+ ASSERT(FALSE);
+ return(0);
+ }
+ else
+ {
+ if ((s.st_size % sizeof(BOOK_ENTRY)) != 0)
+ {
+ Trace("_BookCount: Size is %u... not a mult of %u!\n",
+ s.st_size, sizeof(BOOK_ENTRY));
+ return(0);
+ }
+ return(s.st_size / sizeof(BOOK_ENTRY));
+ }
+ }
+}
+
+#if 0
+static FLAG
+_BookAppend(BOOK_ENTRY *x)
+/**
+
+Routine description:
+
+Parameters:
+
+ BOOK_ENTRY *x
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ if (g_pMemBook != NULL)
+ {
+ g_pMemBookHead = g_pMemBook + g_uMemBookCount;
+ memcpy(g_pMemBookHead, x, sizeof(BOOK_ENTRY));
+ g_uMemBookCount++;
+ return(TRUE);
+ }
+ else
+ {
+ ASSERT(g_fdBook != -1);
+
+ if (-1 == lseek(g_fdBook, 0, SEEK_END))
+ {
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ return((FLAG)(sizeof(BOOK_ENTRY) ==
+ write(g_fdBook, x, sizeof(BOOK_ENTRY))));
+ }
+}
+#endif
+
+static ULONG
+_BookFindSig(UINT64 u64Sig, ULONG *puLow, ULONG *puHigh)
+/**
+
+Routine description:
+
+Parameters:
+
+ UINT64 u64Sig,
+ ULONG *puLow,
+ ULONG *puHigh
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG uLow = 0;
+ ULONG uHigh = 0;
+ ULONG uCurrent;
+ ULONG uIndex;
+ ULONG uTotalEntries = _BookCount();
+ BOOK_ENTRY entry;
+ ULONG uRetVal = 0;
+ FLAG fFound = FALSE;
+
+ //
+ // Open the book.
+ //
+ if (0 == uTotalEntries)
+ {
+ Trace("BookFindSig: Opening book \"%s\" is empty.\n",
+ g_Options.szBookName);
+ goto end;
+ }
+ if (g_fdBook < 0)
+ {
+ Trace("BookFindSig: No book is opened!\n");
+ goto end;
+ }
+
+ //
+ // Perform a a binary search looking for an entry with a signature
+ // that matches this position's.
+ //
+ uLow = 0;
+ uHigh = uTotalEntries - 1;
+
+ while ((uLow <= uHigh) &&
+ (FALSE == fFound))
+ {
+ uCurrent = (uLow + uHigh) / 2;
+ _BookSeek(uCurrent);
+ _BookRead(&entry);
+
+ if (u64Sig == entry.u64Sig)
+ {
+ fFound = TRUE;
+ break;
+ }
+ else if (u64Sig < entry.u64Sig)
+ {
+ uHigh = uCurrent - 1;
+ }
+ else
+ {
+ ASSERT(u64Sig > entry.u64Sig);
+ uLow = uCurrent + 1;
+ }
+ }
+ if (FALSE == fFound)
+ {
+ goto end; // not found
+ }
+ ASSERT(uCurrent >= 0);
+ ASSERT(uCurrent < uTotalEntries);
+ uRetVal = uCurrent;
+
+ //
+ // Ok, we matched a signature at current. Since there can be many
+ // entries with the same checksum (many moves from the same board
+ // position), seek backwards until the first one matching the
+ // checksum.
+ //
+ uIndex = uCurrent - 1;
+ while (uIndex != (ULONG)-1)
+ {
+ _BookSeek(uIndex);
+ _BookRead(&entry);
+
+ if (entry.u64Sig != u64Sig)
+ {
+ uIndex++;
+#ifdef DEBUG
+ ASSERT(uIndex <= uCurrent);
+ _BookSeek(uIndex);
+ _BookRead(&entry);
+ ASSERT(entry.u64Sig == u64Sig);
+#endif
+ break;
+ }
+ uIndex--;
+ }
+ uLow = uIndex;
+
+ //
+ // Walk forward until the last book entry with a matching signature.
+ //
+ uIndex = uCurrent + 1;
+ while (uIndex < uTotalEntries)
+ {
+ _BookSeek(uIndex);
+ _BookRead(&entry);
+ if (entry.u64Sig != u64Sig)
+ {
+ uIndex--;
+#ifdef DEBUG
+ ASSERT(uIndex >= uCurrent);
+ _BookSeek(uIndex);
+ _BookRead(&entry);
+ ASSERT(entry.u64Sig == u64Sig);
+#endif
+ break;
+ }
+ uIndex++;
+ }
+ uHigh = uIndex;
+
+ end:
+ *puLow = uLow;
+ *puHigh = uHigh;
+ return(uRetVal);
+}
+
+
+static ULONG _BookComputeWeight(BOOK_ENTRY *e)
+/**
+
+Routine description:
+
+
+ Given a book entry, compute its weight. The higher the more
+ likely it will be chosen and played. Used in BookMove and
+ BookEdit. The formula is:
+
+ weight(mv) = winningness_coefficient * popularity_factor
+
+ wins
+ winningness_coefficient = ---------------
+ (wins + losses)
+
+ popularity_factor = wins + losses + draws
+
+Parameters:
+
+ BOOK_ENTRY *e
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG uRet; // computed return value
+ double dWinning = 0.0; // winningness coefficient
+ double dPopular; // popularity factor
+
+ //
+ // dWinning is 0.0 now. The only way it gets a value is if we've
+ // seen this line win at least once.
+ //
+ if (e->uWins > 0)
+ {
+ dWinning = e->uWins;
+ dWinning /= (double)(e->uWins + e->uLosses);
+
+ //
+ // dWinning is now the ratio of wins to deterministic games
+ // (games that were not draws). If this is less than 20% then
+ // ignore the line (give the move a zero weight).
+ //
+ if (dWinning < 0.20) return(0);
+ }
+
+ //
+ // If we get here dWinning, the winningness coefficient, has been
+ // computed and is non-zero. Compute the rest of the weight term
+ // which is based on the popularity of the move (how many times it
+ // has been played).
+ //
+ dPopular = (double)(e->uWins + e->uLosses + e->uDraws);
+ uRet = (ULONG)(dPopular * dWinning);
+ return(uRet);
+}
+
+
+static void
+_QuickSortBook(ULONG uLeft, ULONG uRight)
+/**
+
+Routine description:
+
+Parameters:
+
+ ULONG uLeft,
+ ULONG uRight
+
+Return value:
+
+ static void
+
+**/
+{
+ UINT64 u64Pivot;
+ ULONG uPivotSec;
+ ULONG uL, uR, uMid;
+ BOOK_ENTRY temp;
+
+ ASSERT(uLeft >= 0);
+ ASSERT(uLeft < g_uMemBookSize);
+ ASSERT(uRight >= 0);
+ ASSERT(uRight < g_uMemBookSize);
+ if (uLeft < uRight)
+ {
+ //
+ // Select a pivot point.
+ //
+ u64Pivot = g_pMemBook[uLeft].u64Sig;
+ uPivotSec = g_pMemBook[uLeft].mvNext.uMove;
+
+ //
+ // Partition the space based on the pivot. Everything left of
+ // it is less, everything right is greater.
+ //
+ uL = uLeft;
+ uR = uRight;
+ while (uL < uR)
+ {
+ while (((g_pMemBook[uL].u64Sig < u64Pivot) ||
+ ((g_pMemBook[uL].u64Sig == u64Pivot) &&
+ (g_pMemBook[uL].mvNext.uMove <= uPivotSec))) &&
+ (uL <= uRight))
+ {
+ uL++;
+ }
+
+ while (((g_pMemBook[uR].u64Sig > u64Pivot) ||
+ ((g_pMemBook[uR].u64Sig == u64Pivot) &&
+ (g_pMemBook[uR].mvNext.uMove > uPivotSec))) &&
+ (uR >= uLeft))
+ {
+ uR--;
+ }
+
+ if (uL < uR)
+ {
+ temp = g_pMemBook[uL];
+ g_pMemBook[uL] = g_pMemBook[uR];
+ g_pMemBook[uR] = temp;
+ }
+ }
+ uMid = uR;
+
+ temp = g_pMemBook[uLeft];
+ g_pMemBook[uLeft] = g_pMemBook[uMid];
+ g_pMemBook[uMid] = temp;
+
+ //
+ // Recurse on the two halves
+ //
+ if (uLeft != uMid)
+ {
+ _QuickSortBook(uLeft, uMid - 1);
+ }
+ if (uMid != uRight)
+ {
+ _QuickSortBook(uMid + 1, uRight);
+ }
+ }
+}
+
+
+static void
+_CompactMemBook(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG uCount = 0;
+ ULONG i;
+ ULONG uOccurances;
+
+ Trace("Compacting the opening book... one moment.\n");
+
+ //
+ // Lose the blank signatures to reduce the working set.
+ //
+ for (i = 0;
+ i < g_uMemBookSize;
+ i++)
+ {
+ if (0 != g_pMemBook[i].u64Sig)
+ {
+ uOccurances = (g_pMemBook[i].uWins +
+ g_pMemBook[i].uDraws +
+ g_pMemBook[i].uLosses);
+
+ if (0 != uOccurances)
+ {
+ memcpy(&(g_pMemBook[uCount]),
+ &(g_pMemBook[i]),
+ sizeof(BOOK_ENTRY));
+ uCount++;
+ }
+ }
+ }
+
+ g_uMemBookCount = 0;
+ if (uCount > 0)
+ {
+ g_uMemBookCount = uCount - 1;
+ }
+}
+
+
+static void
+_StrainMemBook(ULONG uLimit)
+/**
+
+Routine description:
+
+Parameters:
+
+ ULONG uLimit
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG i;
+ ULONG uOccurances;
+
+ Trace("Straining out unpopular positions to compact buffer...\n");
+
+ for (i = 0;
+ i < g_uMemBookSize;
+ i++)
+ {
+ if (0 != g_pMemBook[i].u64Sig)
+ {
+ uOccurances = (g_pMemBook[i].uWins +
+ g_pMemBook[i].uDraws +
+ g_pMemBook[i].uLosses);
+
+ if (uOccurances <= uLimit)
+ {
+ memset(&(g_pMemBook[i]),
+ 0,
+ sizeof(BOOK_ENTRY));
+ g_uMemBookCount--;
+ }
+ }
+ }
+}
+
+
+//+----------------------------------------------------------------------------
+//
+// Function: _BookHashFind
+//
+// Arguments: BOOK_ENTRY *p - pointer to a book entry
+//
+// Returns: BOOK_ENTRY * - pointer to a membook location to store in
+//
+//+----------------------------------------------------------------------------
+
+
+
+
+
+BOOK_ENTRY *_BookHashFind(BOOK_ENTRY *p)
+/**
+
+Routine description:
+
+ This routine returns a pointer to the membook entry that should be
+ used to store data about a position-move. It's called while
+ building a new opening book (BookBuild, see below). It uses a
+ simple hash-lookup algorthm with linear probing in the event of a
+ collision.
+
+Parameters:
+
+ BOOK_ENTRY *p
+
+Return value:
+
+ BOOK_ENTRY
+
+**/
+{
+ ULONG uKey = (ULONG)((p->u64Sig >> 32) & (g_uMemBookSize - 1));
+ BOOK_ENTRY *pBe = g_pMemBook + uKey;
+#ifdef DEBUG
+ ULONG uInitialKey = uKey;
+
+ ASSERT(g_pMemBook != NULL);
+ ASSERT(p->u64Sig);
+#endif
+
+ while(1)
+ {
+ //
+ // If this is an empty book entry, use it.
+ //
+ if (pBe->u64Sig == 0) break;
+
+ //
+ // If this book entry is the same position and move as the one
+ // we are adding, return it.
+ //
+ if ((pBe->u64Sig == p->u64Sig) &&
+ (pBe->mvNext.uMove == p->mvNext.uMove))
+ {
+ break;
+ }
+
+ //
+ // Otherwise check the next book entry... if we go off the end
+ // then loop around.
+ //
+ uKey++;
+ if (uKey >= g_uMemBookSize) uKey = 0;
+ pBe = g_pMemBook + uKey;
+
+ //
+ // This should never happen -- it means a totally full book.
+ // Before we let the membook fill up we should have already
+ // called the strain routine to drop unpopular position-moves.
+ //
+ ASSERT(uKey != uInitialKey);
+ }
+ return(pBe);
+}
+
+
+
+MOVE
+BookMove(POSITION *pos, BITV bvFlags)
+/**
+
+Routine description:
+
+ This is a bit confusing.
+
+ The primary purpose of this function is, given a position pointer,
+ to find and return a book move to play.
+
+ This behavior can be achieved by calling with a good pos pointer
+ and bvFlags containing BOOKMOVE_SELECT_MOVE.
+
+ If bvFlags doesn't contain this flag then no move will be
+ returned.
+
+ If bvFlags contains BOOKMOVE_DUMP this function will trace a bunch
+ of info about move weights. Hence, something like BookDump can be
+ achieved via:
+
+ (void)BookMove(pos, BOOKMOVE_DUMP);
+
+ This is done so that the code to find all moves from a position
+ and show them is not duplicated more than once.
+
+Parameters:
+
+ POSITION *pos,
+ BITV bvFlags
+
+Return value:
+
+ MOVE
+
+*/
+{
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx = NULL;
+ UINT64 u64Sig;
+ ULONG uTotalWeight = 0;
+ static ULONG uMoveWeights[32];
+ static CHAR *szNames[32];
+ ULONG uMoveNum;
+ static BOOK_ENTRY entry;
+ ULONG uBestWeight = 0;
+ ULONG uBestIndex = (ULONG)-1;
+ ULONG uLow, uHigh;
+ ULONG uIndex;
+ MOVE mvBook = {0};
+ ULONG uRandom;
+ ULONG uCounter;
+ ULONG x;
+ double d;
+ CHAR *szName = NULL;
+ FLAG fOldValue = g_Options.fShouldAnnounceOpening;
+
+ g_Options.fShouldAnnounceOpening = FALSE;
+#ifdef DEBUG
+ memset(uMoveWeights, 0, sizeof(uMoveWeights));
+#endif
+ ctx = SystemAllocateMemory(sizeof(LIGHTWEIGHT_SEARCHER_CONTEXT));
+ if (NULL == ctx)
+ {
+ Trace("Out of memory.\n");
+ goto end;
+ }
+
+ //
+ // We cannot probe the opening book if membook is non-NULL (which
+ // indicates the opening book is currently in-memory and still
+ // being built.
+ //
+ if (g_pMemBook != NULL)
+ {
+ Trace("Cannot probe the book while its still being built!\n");
+ ASSERT(FALSE);
+ goto end;
+ }
+ if (FALSE == _BookOpen())
+ {
+ Trace("BookMove: Could not open the book file.\n");
+ goto end;
+ }
+
+ //
+ // Binary search for sig in the book, this sets iLow and iHigh.
+ //
+ u64Sig = pos->u64PawnSig ^ pos->u64NonPawnSig;
+ if (0 == _BookFindSig(u64Sig, &uLow, &uHigh))
+ {
+ Trace("BookMove: Signature not in book.\n", u64Sig);
+ goto end;
+ }
+ ASSERT((uHigh - uLow) < 32);
+ ASSERT(uLow <= uHigh);
+
+ //
+ // Consider each entry from iLow to iHigh and determine the chances
+ // of playing it.
+ //
+ for (uIndex = uLow, uMoveNum = 0;
+ uIndex <= uHigh;
+ uIndex++, uMoveNum++)
+ {
+ _BookSeek(uIndex);
+ _BookRead(&entry);
+#ifdef DEBUG
+ u64Sig = pos->u64PawnSig ^ pos->u64NonPawnSig;
+ ASSERT(entry.u64Sig == u64Sig);
+#endif
+ uMoveWeights[uMoveNum] = 0;
+ szNames[uMoveNum] = NULL;
+
+ //
+ // Don't consider the move if its flagged deleted or disabled.
+ //
+ if ((entry.bvFlags & FLAG_DISABLED) ||
+ (entry.bvFlags & FLAG_DELETED))
+ {
+ continue;
+ }
+
+ //
+ // Make sure it's legal and doesn't draw... also get the name
+ // of this opening.
+ //
+ InitializeLightweightSearcherContext(pos, ctx);
+ if (FALSE == MakeMove((SEARCHER_THREAD_CONTEXT *)ctx, entry.mvNext))
+ {
+ ASSERT(FALSE);
+ continue;
+ }
+ else
+ {
+ if (TRUE == IsDraw((SEARCHER_THREAD_CONTEXT *)ctx))
+ {
+ UnmakeMove((SEARCHER_THREAD_CONTEXT *)ctx, entry.mvNext);
+ continue;
+ }
+
+ u64Sig = (ctx->sPosition.u64PawnSig ^
+ ctx->sPosition.u64NonPawnSig);
+ szNames[uMoveNum] = _BookLineToString(u64Sig);
+ UnmakeMove((SEARCHER_THREAD_CONTEXT *)ctx, entry.mvNext);
+ }
+
+ //
+ // If one is marked always, just return it.
+ //
+ if ((entry.bvFlags & FLAG_ALWAYSPLAY) &&
+ (bvFlags & BOOKMOVE_SELECT_MOVE))
+ {
+ mvBook = entry.mvNext;
+ szName = szNames[uMoveNum];
+ goto end;
+ }
+
+ //
+ // Set this move's weight.
+ //
+ uMoveWeights[uMoveNum] = _BookComputeWeight(&entry);
+ uTotalWeight += uMoveWeights[uMoveNum];
+
+ //
+ // If we are in tournament mode we will play the top weighted
+ // move; look for it now.
+ //
+ if (uMoveWeights[uMoveNum] > uBestWeight)
+ {
+ uBestWeight = uMoveWeights[uMoveNum];
+ uBestIndex = uIndex;
+ }
+
+ } // next book move
+
+ //
+ // If we threw every move out (there is no total weight) then we
+ // don't have a book move here.
+ //
+ if (0 == uTotalWeight)
+ {
+ ASSERT(mvBook.uMove == 0);
+ goto end;
+ }
+
+ //
+ // We are done assigning weights to moves. If we are in tournament
+ // mode we should have picked a best one. If so, return it.
+ //
+ if ((TRUE == g_fTournamentMode) && (bvFlags & BOOKMOVE_SELECT_MOVE))
+ {
+ if (uBestIndex != (ULONG)-1)
+ {
+ ASSERT(uBestWeight);
+ _BookSeek(uBestIndex);
+ _BookRead(&entry);
+ mvBook = entry.mvNext;
+ ASSERT(uBestIndex >= uLow);
+ szName = szNames[uBestIndex - uLow];
+ goto end;
+ }
+ }
+
+ //
+ // We didn't throw everything out... so pick a move randomly based
+ // on the weights assigned.
+ //
+ uRandom = (randomMT() % uTotalWeight) + 1;
+ if (bvFlags & BOOKMOVE_DUMP)
+ {
+ u64Sig = pos->u64PawnSig ^ pos->u64NonPawnSig;
+ Trace(" BookMove: List of moves in position 0x%"
+ COMPILER_LONGLONG_HEX_FORMAT ":\n",
+ u64Sig);
+ for (x = 0; x < uMoveNum; x++)
+ {
+ _BookSeek(uLow + x);
+ _BookRead(&entry);
+ ASSERT(entry.u64Sig == u64Sig);
+
+ d = 0.0;
+ if (uMoveWeights[x] != 0)
+ {
+ d = (double)uMoveWeights[x] / (double)uTotalWeight;
+ d *= 100.0;
+ }
+ Trace("%02u. %-4s [+%u =%u -%u] \"%s\" @ %5.3f\n",
+ x,
+ MoveToSan(entry.mvNext, pos),
+ entry.uWins, entry.uDraws, entry.uLosses,
+ szNames[x],
+ d);
+ }
+ Trace(" Total weight was %u.\n\n", uTotalWeight);
+ if (!(bvFlags & BOOKMOVE_SELECT_MOVE))
+ {
+ mvBook.uMove = 0;
+ goto end;
+ }
+ }
+
+ //
+ // Based on the weighted list and the random number we
+ // selected pick a move.
+ //
+ for (uIndex = 0, uCounter = 0;
+ uIndex < uMoveNum;
+ uIndex++)
+ {
+ uCounter += uMoveWeights[uIndex];
+
+ if (uCounter >= uRandom)
+ {
+ _BookSeek(uLow + uIndex);
+ _BookRead(&entry);
+ mvBook = entry.mvNext;
+ szName = szNames[uIndex];
+ goto end;
+ }
+ }
+#ifdef DEBUG
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+#endif
+
+ end:
+ g_Options.fShouldAnnounceOpening = fOldValue;
+ _BookClose();
+
+ if (mvBook.uMove)
+ {
+ ASSERT(bvFlags & BOOKMOVE_SELECT_MOVE);
+
+ //
+ // We could be probing the book after a predicted ponder move (in
+ // which case we will have forced fAnnounceOpening to FALSE because
+ // we don't want to whisper two book moves in a row).
+ //
+ if (FALSE != g_Options.fShouldAnnounceOpening) {
+ Trace("tellothers book move %s [+%u =%u -%u]\n",
+ MoveToSan(entry.mvNext, pos),
+ entry.uWins, entry.uDraws, entry.uLosses);
+ }
+ }
+
+ if (NULL != ctx)
+ {
+ SystemFreeMemory(ctx);
+ }
+ return(mvBook);
+}
+
+
+#if 0
+//+---------------------------------------------------------------------------
+//
+// Function: BookEdit
+//
+// Synopsis: Giant hack to edit the book.
+//
+// Arguments: POSITION *pos
+//
+// Returns: void
+//
+//+---------------------------------------------------------------------------
+void
+BookEdit(POSITION *pos)
+{
+ int iTotalEntries = _BookCount();
+ int iNumMoves;
+ int iLow, iHigh;
+ FILE *pfLearn = NULL;
+ FLAG fFound = FALSE;
+ static BOOK_ENTRY entry;
+ int iIndex = 0;
+ int iCurrent = 0;
+ int x;
+ char *pCh, *pArg;
+ int arg;
+ int iSum;
+ int iWeights[64];
+ float fl;
+ FLAG fOldValue = g_Options.fAnnounceOpening;
+
+ g_Options.fAnnounceOpening = FALSE;
+
+ //
+ // We cannot probe the opening book if membook is non-NULL (which
+ // indicates the opening book is currently in-memory and still being
+ // built.
+ //
+ if (g_pMemBook != NULL)
+ {
+ ASSERT(FALSE);
+ goto end;
+ }
+
+ //
+ // Open the book.
+ //
+ iTotalEntries = _BookCount();
+ if (0 == iTotalEntries)
+ {
+ Trace("BookDump: Opening book \"%s\" is empty.\n",
+ g_Options.szBookName);
+ goto end;
+ }
+
+ ASSERT(g_fdBook == -1);
+ if (!_BookOpen())
+ {
+ Trace("BookDump: Could not open the book.\n");
+ goto end;
+ }
+
+ //
+ // Open the learning recorder
+ //
+ pfLearn = fopen(BOOK_EDITING_RECORD, "a+b");
+ if (NULL == pfLearn)
+ {
+ Trace("BookEdit: Warning: can't open %s to save learning.\n",
+ BOOK_EDITING_RECORD);
+ }
+
+ if (!_BookFindSig(pos->u64Sig, &iLow, &iHigh))
+ {
+ Trace("BookEdit: Position %I64x is not in the book.\n");
+ goto end;
+ }
+
+ iNumMoves = iHigh - iLow + 1;
+ iCurrent = 0;
+ do
+ {
+ printf("\e[H\e[J\n");
+ Trace("--EDITING OPENING BOOK--\n\n");
+ Trace("There are %u positions in the opening book \"%s\".\n",
+ iTotalEntries, g_Options.szBookName);
+ Trace("There are %u book moves in this position, %u to %u:\n",
+ iNumMoves, iLow, iHigh);
+
+ for (x = 0, iSum = 0;
+ x < iNumMoves;
+ x++)
+ {
+ _BookSeek(iLow + x);
+ _BookRead(&entry);
+
+ //
+ // If the disabled flag is asserted, do not allow this
+ // move to be played. If the disabled flag is not
+ // asserted, calculate a weight for this move.
+ //
+ if ((entry.bvFlags & FLAG_DISABLED) ||
+ (entry.bvFlags & FLAG_DELETED))
+ {
+ iWeights[x] = 0;
+ }
+ else
+ {
+ iWeights[x] = _BookComputeWeight(&entry);
+ }
+ iSum += iWeights[x];
+ }
+
+ for (x = 0;
+ x < iNumMoves;
+ x++)
+ {
+ _BookSeek(iLow + x);
+ _BookRead(&entry);
+
+ fl = (float)iWeights[x];
+ if (iSum)
+ {
+ fl /= (float)iSum;
+ fl *= 100.0;
+ }
+
+ if (x == iCurrent)
+ {
+ Trace(">> ");
+ }
+ else
+ {
+ Trace(" ");
+ }
+
+ Trace("%02u. %6u..%6u = %4s [+%6u =%6u -%6u] @ ~%6.3f%% | %s%s",
+ x + 1,
+ 0,
+ iWeights[x],
+ MoveToSAN(entry.mvNext, pos),
+ entry.iWins,
+ entry.iDraws,
+ entry.iLosses,
+ fl,
+ (entry.bvFlags & FLAG_DISABLED) ? "NEV" : "",
+ (entry.bvFlags & FLAG_ALWAYSPLAY) ? "ALW" : "");
+
+ if (x == iCurrent)
+ {
+ Trace("<<\n");
+ }
+ else
+ {
+ Trace("\n");
+ }
+ }
+
+ _BookSeek(iLow + iCurrent);
+ _BookRead(&entry);
+ Trace("Command (q, p, n, +, =, -, h, l, e, a, d, ?): ");
+ pCh = BlockingRead();
+
+ switch(tolower(*pCh))
+ {
+ case 'q':
+ Trace("--DONE EDITING OPENING BOOK--\n\n");
+ goto end;
+ case 'p':
+ iCurrent--;
+ if (iCurrent < 0) iCurrent = iNumMoves - 1;
+ break;
+ case 'n':
+ iCurrent++;
+ if (iCurrent >= iNumMoves) iCurrent = 0;
+ break;
+ case '+':
+ Trace("Enter new wincount: ");
+ pArg = BlockingRead();
+ arg = atoi(pArg);
+ if (arg)
+ {
+ entry.iWins = arg;
+ _BookSeek(iLow + iCurrent);
+ _BookWrite(&entry);
+ if (NULL != pfLearn)
+ {
+ fprintf(pfLearn, "%I64x (%x) + %u // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ arg,
+ BoardToFEN(pos));
+ }
+ }
+ SystemFreeMemory(pArg);
+ break;
+ case '=':
+ Trace("Enter new drawcount: ");
+ pArg = BlockingRead();
+ arg = atoi(pArg);
+ if (arg)
+ {
+ entry.iDraws = arg;
+ _BookSeek(iLow + iCurrent);
+ _BookWrite(&entry);
+ if (NULL != pfLearn)
+ {
+ fprintf(pfLearn, "%I64x (%x) = %u // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ arg,
+ BoardToFEN(pos));
+ }
+ }
+ SystemFreeMemory(pArg);
+ break;
+ case '-':
+ Trace("Enter new losscount: ");
+ pArg = BlockingRead();
+ arg = atoi(pArg);
+ if (arg)
+ {
+ entry.iLosses = arg;
+ _BookSeek(iLow + iCurrent);
+ _BookWrite(&entry);
+ if (NULL != pfLearn)
+ {
+ fprintf(pfLearn, "%I64x (%x) - %u // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ arg,
+ BoardToFEN(pos));
+ }
+ }
+ SystemFreeMemory(pArg);
+ break;
+ case 'e':
+ if (entry.bvFlags & FLAG_DISABLED)
+ {
+ entry.bvFlags &= ~FLAG_DISABLED;
+ }
+ else
+ {
+ entry.bvFlags |= FLAG_DISABLED;
+ entry.bvFlags &= ~FLAG_ALWAYSPLAY;
+ }
+ _BookSeek(iLow + iCurrent);
+ _BookWrite(&entry);
+ if (NULL != pfLearn)
+ {
+ fprintf(pfLearn, "%I64x (%x) FLAGS %x // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ entry.bvFlags,
+ BoardToFEN(pos));
+ }
+ break;
+ case 'a':
+ if (entry.bvFlags & FLAG_ALWAYSPLAY)
+ {
+ entry.bvFlags &= ~FLAG_ALWAYSPLAY;
+ }
+ else
+ {
+ entry.bvFlags |= FLAG_ALWAYSPLAY;
+ entry.bvFlags &= ~FLAG_DISABLED;
+ }
+ _BookSeek(iLow + iCurrent);
+ _BookWrite(&entry);
+ if (NULL != pfLearn)
+ {
+ fprintf(pfLearn, "%I64x (%x) FLAGS %x // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ entry.bvFlags,
+ BoardToFEN(pos));
+ }
+ break;
+ case 'h':
+ PreferPosition(pos, pfLearn, pos->u64Sig, -1);
+ Trace("I hate this position.\n");
+ break;
+ case 'i':
+ PreferPosition(pos, pfLearn, pos->u64Sig, 0);
+ Trace("I'm indifferent towards this position.\n");
+ break;
+ case 'l':
+ PreferPosition(pos, pfLearn, pos->u64Sig, 1);
+ Trace("I love this position!\n");
+ break;
+ case '?':
+ Trace(
+"Commands: \n"
+" +) adjust wins =) adjust draws -) adjust losses\n"
+" h) hate this pos i) indifferent l) love this pos\n\n"
+
+" e) enable/disable\n"
+" a) always/sometimes play\n\n"
+
+" p) previous move n) next move q) quit editing\n\n");
+ break;
+ default:
+ break;
+ }
+ SystemFreeMemory(pCh);
+ }
+ while(1);
+
+ end:
+ g_Options.fAnnounceOpening = fOldValue;
+
+ ASSERT(g_fdBook != -1);
+ _BookClose();
+
+ if (NULL != pfLearn)
+ {
+ fclose(pfLearn);
+ }
+}
+#endif
+
+
+
+
+
+static FLAG
+_BookBuild(void)
+/**
+
+Routine description:
+
+ Builds a new opening book. This routine is called by
+ LearnPGNOpenings in movelist.c after it has played through one PGN
+ game. g_MoveList is loaded with position signatures and move
+ structs representing this game. Our goal is to parse these and
+ create/update the membook entries to reflect the game played and
+ its result.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ BOOK_ENTRY entry;
+ BOOK_ENTRY *pEntry;
+ ULONG n;
+ GAME_MOVE *q;
+ ULONG u;
+ double dFull;
+ GAME_RESULT result = GetGameResult();
+
+ if (result.eResult != RESULT_WHITE_WON &&
+ result.eResult != RESULT_BLACK_WON &&
+ result.eResult != RESULT_DRAW) {
+ return(FALSE);
+ }
+
+ //
+ // If the membook has not yet been allocated, do it now.
+ //
+ if (g_pMemBook == NULL)
+ {
+ ASSERT((g_uMemBookSize & (g_uMemBookSize - 1)) == 0);
+ g_uMemBookCount = 0;
+ g_pMemBookHead = NULL;
+ g_pMemBook = (BOOK_ENTRY *)
+ SystemAllocateMemory(g_uMemBookSize * sizeof(BOOK_ENTRY));
+ g_pMemBookHead = g_pMemBook;
+ ASSERT(g_pMemBook != NULL);
+ }
+
+ //
+ // Consider each position in the game we have played up until now.
+ //
+ u = 0;
+ q = GetNthOfficialMoveRecord(u);
+ while((q != NULL) && (q->mv.uMove != 0))
+ {
+ entry.u64Sig = q->u64PositionSigBeforeMove;
+ entry.mvNext = q->mv;
+ entry.u64NextSig = q->u64PositionSigAfterMove;
+
+ //
+ // Have we ever seen this position before?
+ //
+ pEntry = _BookHashFind(&entry);
+ if (0 != pEntry->u64Sig)
+ {
+ //
+ // Yes we have seen this signature-move before. Update the
+ // win/draw/loss counter at this entry in the membook.
+ //
+ ASSERT(pEntry->u64Sig == entry.u64Sig);
+ ASSERT(pEntry->mvNext.uMove == entry.mvNext.uMove);
+ if (((result.eResult == RESULT_BLACK_WON) &&
+ (GET_COLOR(entry.mvNext.pMoved) == BLACK)) ||
+ ((result.eResult == RESULT_WHITE_WON) &&
+ (GET_COLOR(entry.mvNext.pMoved) == WHITE)))
+ {
+ pEntry->uWins++;
+ }
+ else
+ {
+ if (RESULT_DRAW == result.eResult)
+ {
+ pEntry->uDraws++;
+ }
+ else
+ {
+ pEntry->uLosses++;
+ }
+ }
+ }
+
+ //
+ // Nope never seen this signature-move entry before, create a new
+ // entry for it and add it to the membook.
+ //
+ else
+ {
+ memset(pEntry, 0, sizeof(pEntry));
+ pEntry->u64Sig = entry.u64Sig;
+ pEntry->mvNext = entry.mvNext;
+ pEntry->u64NextSig = entry.u64NextSig;
+
+ if (((result.eResult == RESULT_BLACK_WON) &&
+ (GET_COLOR(entry.mvNext.pMoved) == BLACK)) ||
+ ((result.eResult == RESULT_WHITE_WON) &&
+ (GET_COLOR(entry.mvNext.pMoved) == WHITE)) )
+ {
+ pEntry->uWins = 1;
+ }
+ else
+ {
+ if (RESULT_DRAW == result.eResult)
+ {
+ pEntry->uDraws = 1;
+ }
+ else
+ {
+ pEntry->uLosses = 1;
+ }
+ }
+ g_uMemBookCount++;
+
+ //
+ // If the in memory buffer is getting too full, throw out
+ // all positions that occur only once in it in order to
+ // compact it. We should try to limit this because it can
+ // weaken the book.
+ //
+ n = 1;
+ dFull = (double)g_uMemBookCount;
+ dFull /= (double)g_uMemBookSize;
+ dFull *= 100.0;
+ while (dFull > 97.0)
+ {
+ _StrainMemBook(n);
+ n++;
+
+ dFull = (double)g_uMemBookCount;
+ dFull /= (double)g_uMemBookSize;
+ dFull *= 100.0;
+ }
+ }
+ u++;
+ q = GetNthOfficialMoveRecord(u);
+ }
+ return(TRUE);
+}
+
+
+static FLAG
+_BookToDisk(ULONG uStrainLimit)
+/**
+
+Routine description:
+
+Parameters:
+
+ ULONG uStrainLimit
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ ULONG i;
+ int ifd;
+ CHAR *szTempBook = "tempbook.bin";
+ CHAR szCmd[SMALL_STRING_LEN_CHAR];
+ BOOK_ENTRY sBe;
+ ULONG uOldBook = 0;
+ ULONG uNewBook = 0;
+ ULONG uOld_BookCount;
+ ULONG uNew_BookCount;
+ BOOK_ENTRY *pOldBook = NULL;
+ BOOK_ENTRY *pNewBook = NULL;
+ FLAG fMyRetVal = FALSE;
+ struct stat s;
+
+ if (!strlen(g_Options.szBookName))
+ {
+ return(FALSE);
+ }
+ i = g_uMemBookCount;
+
+ //
+ // Drops all book entries with less than limit occurrances
+ //
+ _StrainMemBook(uStrainLimit);
+
+ //
+ // Drops all unused entries
+ //
+ Trace("Stage 2: Compacting the book.\n");
+ _CompactMemBook();
+
+ //
+ // Sorts the by signature.
+ //
+ Trace("Stage 3: Sorting the book.\n");
+ _QuickSortBook(0, g_uMemBookCount);
+ uNew_BookCount = g_uMemBookCount;
+
+ //
+ // Create the temporary book on the disk.
+ //
+ (void)unlink(szTempBook);
+ if (SystemDoesFileExist(szTempBook))
+ {
+ Trace("_BookToDisk: Can't create a temporary book!\n");
+ return(FALSE);
+ }
+
+ ifd = open(szTempBook,
+ O_RDWR | O_CREAT | O_BINARY,
+ _S_IREAD | _S_IWRITE);
+ if (ifd < 0)
+ {
+ Trace("_BookToDisk: Can't create a temporary book!\n");
+ return(FALSE);
+ }
+#ifndef _MSC_VER
+ fchmod(ifd, 0644);
+#endif
+
+ //
+ // Count the entries in the old book on disk.
+ //
+ uOld_BookCount = 0;
+ if ((TRUE == _VerifyBook(g_Options.szBookName)) && (TRUE == _BookOpen()))
+ {
+ if (0 == stat(g_Options.szBookName, &s))
+ {
+ uOld_BookCount = (s.st_size / sizeof(BOOK_ENTRY));
+ }
+ }
+
+ //
+ // Merge the old book (on disk) with the new (in memory) in the
+ // temp book.
+ //
+ Trace("Merging book lines and writing to disk...\n");
+ do
+ {
+ pOldBook = pNewBook = NULL;
+
+ //
+ // Read the next old book entry.
+ //
+ retry:
+ if (uOldBook < uOld_BookCount)
+ {
+ if ((int)(uOldBook * sizeof(BOOK_ENTRY)) !=
+ lseek(g_fdBook, (uOldBook * sizeof(BOOK_ENTRY)), SEEK_SET))
+ {
+ Trace("_BookToDisk: Cannot seek to byte offset %u in old "
+ "book.\n", uOldBook * sizeof(BOOK_ENTRY));
+ ASSERT(FALSE);
+ goto end;
+ }
+
+ if (sizeof(BOOK_ENTRY) != read(g_fdBook,
+ &sBe,
+ sizeof(BOOK_ENTRY)))
+ {
+ Trace("_BookToDisk: Can't read error in old book, trying "
+ "to recover...\n");
+ uOldBook++;
+ goto retry;
+ }
+ pOldBook = &sBe;
+ }
+
+ //
+ // Get the next new book entry
+ //
+ if (uNewBook < uNew_BookCount)
+ {
+ ASSERT(0 != g_pMemBook[uNewBook].u64Sig);
+ pNewBook = &(g_pMemBook[uNewBook]);
+ }
+
+ //
+ // Decide which to write into the merged (temporary) book we
+ // are constructing next...
+ //
+ if ((NULL == pNewBook) && (NULL == pOldBook))
+ {
+ break;
+ }
+ else if ((NULL == pNewBook) && (NULL != pOldBook))
+ {
+ goto writeoldbook;
+ }
+ else if ((NULL != pNewBook) && (NULL == pOldBook))
+ {
+ goto writenewbook;
+ }
+ else
+ {
+ if (pOldBook->u64Sig < pNewBook->u64Sig)
+ {
+ goto writeoldbook;
+ }
+ else if (pOldBook->u64Sig > pNewBook->u64Sig)
+ {
+ goto writenewbook;
+ }
+ else
+ {
+ ASSERT(pOldBook->u64Sig == pNewBook->u64Sig);
+ if (pOldBook->mvNext.uMove < pNewBook->mvNext.uMove)
+ {
+ goto writeoldbook;
+ }
+ else if (pOldBook->mvNext.uMove > pNewBook->mvNext.uMove)
+ {
+ goto writenewbook;
+ }
+ else
+ {
+ //
+ // Same position and move...
+ //
+ pNewBook->uWins += pOldBook->uWins;
+ pNewBook->uDraws += pOldBook->uDraws;
+ pNewBook->uLosses += pOldBook->uLosses;
+ pNewBook->bvFlags |= pOldBook->bvFlags;
+ uOldBook++;
+ goto writenewbook;
+ }
+ }
+ }
+#ifdef DEBUG
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+#endif
+
+ writeoldbook:
+ if (-1 == lseek(ifd, 0, SEEK_END))
+ {
+ ASSERT(FALSE);
+ }
+ if (sizeof(BOOK_ENTRY) != write(ifd, pOldBook, sizeof(BOOK_ENTRY)))
+ {
+ Trace("_BookToDisk: Error writing new book, aborting procedure.\n");
+ goto end;
+ }
+ uOldBook++;
+ continue;
+
+ writenewbook:
+ if (-1 == lseek(ifd, 0, SEEK_END))
+ {
+ ASSERT(FALSE);
+ }
+ if (sizeof(BOOK_ENTRY) != write(ifd, pNewBook, sizeof(BOOK_ENTRY)))
+ {
+ Trace("_BookToDisk: Error writing new book, aborting procedure."
+ "\n");
+ goto end;
+ }
+ uNewBook++;
+ continue;
+ }
+ while(1);
+ fMyRetVal = TRUE;
+
+ end:
+ close(ifd);
+ SystemFreeMemory(g_pMemBook);
+ g_pMemBook = NULL;
+ g_pMemBookHead = NULL;
+ g_uMemBookCount = 0;
+ _BookClose();
+
+ //
+ // Verify the consistency of the new book before klobbering the old one
+ //
+ if (FALSE == _VerifyBook(szTempBook))
+ {
+ Trace("_BookToDisk: The book I just wrote is corrupt!!!\n");
+ fMyRetVal = FALSE;
+ ASSERT(FALSE);
+ }
+ else
+ {
+ //
+ // HACKHACK: put this in system, use CopyFile in win32
+ //
+#ifdef _MSC_VER
+ _snprintf(szCmd, 255, "move %s %s%c", szTempBook,
+ g_Options.szBookName, 0);
+#else
+ snprintf(szCmd, 255, "/bin/mv %s %s%c", szTempBook,
+ g_Options.szBookName, 0);
+#endif
+ system(szCmd);
+ }
+
+ if (TRUE == fMyRetVal)
+ {
+ Trace("Book successfully built.\n");
+ }
+ return(fMyRetVal);
+}
+
+
+static FLAG
+_LearnPgnOpenings(CHAR *szFilename, ULONG uStrainLimit)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+ ULONG uStrainLimit
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ CHAR *p;
+ FILE *pf = NULL;
+ struct stat s;
+ double d;
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("LearnPgnOpenings: file \"%s\" doesn't exist.\n",
+ szFilename);
+ return(FALSE);
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("LearnPgnOpenings: Can't read file \"%s\".\n",
+ szFilename);
+ return(FALSE);
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("LearnPgnOpenings: error reading file %s.\n",
+ szFilename);
+ return(FALSE);
+ }
+
+ CleanupHashSystem();
+
+ Trace("Stage 1: reading and parsing PGN\n");
+ while((p = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ if (TRUE == LoadPgn(p))
+ {
+ _BookBuild();
+ d = (double)ftell(pf);
+ d /= (double)s.st_size;
+ d *= 100.0;
+ printf("%u/%u (%5.2f%% done) ",
+ (unsigned)ftell(pf), (unsigned)s.st_size, d);
+ d = (double)g_uMemBookCount;
+ d /= (double)g_uMemBookSize;
+ d *= 100.0;
+ printf("[membook %5.2f%% full]\r", d);
+ }
+ SystemFreeMemory(p);
+ }
+ fclose(pf);
+
+ _BookToDisk(uStrainLimit);
+
+ InitializeHashSystem();
+
+ return(TRUE);
+}
+
+
+#if 0
+static void
+_UpdateUserOpeningList(INT iResult)
+{
+ int fd = open(OPENING_LEARNING_FILENAME,
+ O_RDWR | O_CREAT | O_BINARY | O_RANDOM,
+ _S_IREAD | _S_IWRITE);
+ ULONG uNumRecords;
+ ULONG u;
+ OPENING_LEARNING_ENTRY ole;
+ ULONG uPos;
+ struct stat s;
+
+ //
+ // If we failed to open it, abort.
+ //
+ if (fd < 0) goto end;
+
+ //
+ // Stat it to see how many entries there are.
+ //
+ if (0 != stat(OPENING_LEARNING_FILENAME, &s))
+ {
+ ASSERT(FALSE);
+ Trace("UpdateUserOpeningList: Corrupt %s file.\n",
+ OPENING_LEARNING_FILENAME);
+ goto end;
+ }
+ if ((s.st_size % sizeof(OPENING_LEARNING_ENTRY)) != 0)
+ {
+ ASSERT(FALSE);
+ Trace("UpdateUserOpeningList: Corrupt %s file.\n",
+ OPENING_LEARNING_FILENAME);
+ goto end;
+ }
+ uNumRecords = s.st_size / sizeof(OPENING_LEARNING_ENTRY);
+
+ //
+ // Read each entry looking for a match.
+ //
+ for (u = 0; u < uNumRecords; u++)
+ {
+ if (sizeof(OPENING_LEARNING_ENTRY) !=
+ read(fd, &ole, sizeof(OPENING_LEARNING_ENTRY)))
+ {
+ Trace("UpdateUserOpeningList: Read error.\n");
+ goto end;
+ }
+
+ if (ole.u64Sig == g_Options.u64OpeningSig)
+ {
+ //
+ // Found it, so update and write back in place.
+ //
+ switch (iResult)
+ {
+ case -1:
+ ole.uBlackWins++;
+ break;
+ case 0:
+ ole.uDraws++;
+ break;
+ case 1:
+ ole.uWhiteWins++;
+ break;
+#ifdef DEBUG
+ default:
+ ASSERT(FALSE);
+ break;
+#endif
+ }
+
+ uPos = u * sizeof(OPENING_LEARNING_ENTRY);
+ if (uPos != lseek(fd, uPos, SEEK_SET))
+ {
+ Trace("UpdateUserOpeningList: Seek error.\n");
+ goto end;
+ }
+ if (sizeof(OPENING_LEARNING_ENTRY) !=
+ write(fd, &ole, sizeof(OPENING_LEARNING_ENTRY)))
+ {
+ Trace("UpdateUserOpeningList: Write error.\n");
+ }
+ goto end;
+ }
+ }
+
+ //
+ // We never found it, so add one at the end.
+ //
+ memset(&ole, 0, sizeof(ole));
+ ole.u64Sig = g_Options.u64OpeningSig;
+ switch(iResult)
+ {
+ case -1:
+ ole.uBlackWins++;
+ break;
+ case 0:
+ ole.uDraws++;
+ break;
+ case 1:
+ ole.uWhiteWins++;
+ break;
+#ifdef DEBUG
+ default:
+ ASSERT(FALSE);
+ break;
+#endif
+ }
+
+ if (-1 == lseek(fd, 0, SEEK_END))
+ {
+ Trace("UpdateUserOpeningList: Seek error.\n");
+ goto end;
+ }
+
+ if (sizeof(OPENING_LEARNING_ENTRY) !=
+ write(fd, &ole, sizeof(OPENING_LEARNING_ENTRY)))
+ {
+ Trace("UpdateUserOpeningList: Append error.\n");
+ }
+
+ end:
+ if (fd >= 0)
+ {
+ close(fd);
+ }
+}
+#endif
+
+
+#if 0
+//+----------------------------------------------------------------------------
+//
+// Function: BookLearn
+//
+// Synopsis: Handles book learning at the end of a game based on the
+// result of the game and the calibre of the opponent.
+//
+// Arguments: int iResult
+//
+// Returns: void
+//
+//+----------------------------------------------------------------------------
+void
+BookLearn(INT iResult)
+{
+ ULONG iIndex, x;
+ unsigned int iChanged = 0;
+ int iTotalEntries = _BookCount();
+ int iLow, iHigh, iCurrent = 0;
+ BOOK_ENTRY entry;
+ FLAG fFound = FALSE;
+
+#ifdef DEBUG
+ if (g_Options.ePlayMode == I_PLAY_BLACK)
+ {
+ Trace("BookLearn: I was playing black\n");
+ }
+ else if (g_Options.ePlayMode == I_PLAY_WHITE)
+ {
+ Trace("BookLearn: I was playing white\n");
+ }
+
+ if (iResult == -1)
+ {
+ Trace("BookLearn: Black won.\n");
+ }
+ else if (iResult == 1)
+ {
+ Trace("BookLearn: White won.\n");
+ }
+ else
+ {
+ Trace("BookLearn: The game was a draw.\n");
+ }
+#endif
+
+ //
+ // Should we learn anything?
+ //
+
+ //
+ // Not if the game was bullet
+ //
+ if ((g_Options.eGameType == GAME_BULLET) ||
+ (g_Options.eGameType == GAME_UNKNOWN))
+ {
+ Trace("BookLearn: Game was too fast or unknown speed, don't learn.\n");
+ goto end;
+ }
+
+ //
+ // Not if the game wasn't rated.
+ //
+ if ((g_Options.fGameIsRated == FALSE))
+ {
+ Trace("BookLearn: Game was unrated, don't learn.\n");
+ goto end;
+ }
+
+ //
+ // Not if someone lost on time or because of forfeit.
+ //
+ if ((NULL != strstr(g_Options.szDescription, "forfeit")) ||
+ (NULL != strstr(g_Options.szDescription, "time")) ||
+ (NULL != strstr(g_Options.szDescription, "abort")))
+ {
+ Trace("BookLearn: Loss by forfeit/abort, don't learn.\n");
+ goto end;
+ }
+
+ //
+ // Not if we won but the opponent was weak.
+ //
+ if (((g_Options.ePlayMode == I_PLAY_WHITE) && (iResult == 1)) ||
+ ((g_Options.ePlayMode == I_PLAY_BLACK) && (iResult == -1)))
+ {
+#ifdef DEBUG
+ Trace("BookLearn: I won, my opponent's rating was %u, "
+ "my rating is %u.\n",
+ g_Options.iOpponentsRating,
+ g_Options.iMyRating);
+#endif
+
+ if (g_Options.iOpponentsRating < g_Options.iMyRating - 300)
+ {
+ Trace("BookLearn: Opponent sucks, not learning.\n");
+ goto end;
+ }
+ }
+
+ //
+ // Not if we lost but the opponent was strong.
+ //
+ if (((g_Options.ePlayMode == I_PLAY_BLACK) && (iResult == 1)) ||
+ ((g_Options.ePlayMode == I_PLAY_WHITE) && (iResult == -1)))
+ {
+ Trace("BookLearn: I lost, my opponent's rating was %u, "
+ "my rating is %u.\n",
+ g_Options.iOpponentsRating,
+ g_Options.iMyRating);
+
+ if (g_Options.iOpponentsRating > g_Options.iMyRating + 300)
+ {
+ Trace("BookLearn: Opponent kicks ass, not learning.\n");
+ goto end;
+ }
+ ToXboard("tellics say Nice game!\n");
+ }
+
+ //
+ // Yes, we have decided to learn.
+ //
+ Trace("BookLearn: Revising opening book line...\n");
+
+ //
+ // 1. Save the learning on a user-friendly list...
+ //
+ UpdateUserOpeningList(iResult);
+
+ //
+ // 2. Save the learning in the real opening book...
+ //
+ if ((0 == iTotalEntries) ||
+ (FALSE == _BookOpen()))
+ {
+ Trace("BookLearn: Could not open the book.\n");
+ goto end;
+ }
+
+ //
+ // Look at the moves in the move list.
+ //
+ for (iIndex = 0;
+ iIndex < g_iMoveNum - 1;
+ iIndex++)
+ {
+ //
+ // Only learn on the first 30 moves.
+ //
+ if (iIndex > 60) break;
+
+ Trace("BookLearn: Seeking %I64x with move %s (%x) in the book.\n",
+ g_MoveList[iIndex].u64Sig,
+ MoveToICS(g_MoveList[iIndex + 1].mv),
+ g_MoveList[iIndex + 1].mv.move);
+
+ //
+ // Binary search for sig in the book, this sets iLow and iHigh.
+ //
+ if (0 != _BookFindSig(g_MoveList[iIndex].u64Sig, &iLow, &iHigh))
+ {
+ Trace("BookLearn: Found a (P) : %I64x at %u.\n",
+ g_MoveList[iIndex].u64Sig, iCurrent);
+
+ //
+ // Current now points to the first book entry matching
+ // the sig... look for the entry matching the move too.
+ //
+ for (x = iLow; x <= iHigh; x++)
+ {
+ _BookSeek(x);
+ _BookRead(&entry);
+
+ ASSERT(entry.u64Sig ==
+ g_MoveList[iIndex].u64Sig);
+
+ //
+ // If we match the move and signature, update the entry
+ // based on this game's results.
+ //
+ if (entry.mvNext.move == g_MoveList[iIndex + 1].mv.move)
+ {
+ Trace("BookLearn: Matched mv : %x at %u.\n",
+ g_MoveList[iIndex + 1].mv.move, x);
+ iChanged++;
+
+ //
+ // Did the side making the move win in the end?
+ //
+ if (((iResult == -1) &&
+ (IS_BLACK(g_MoveList[iIndex + 1].mv.data.pMoved))) ||
+ ((iResult == 1) &&
+ (IS_WHITE(g_MoveList[iIndex + 1].mv.data.pMoved))))
+ {
+ Trace("BookLearn: Side moving won, enforce this "
+ "book entry.\n");
+ entry.iWins++;
+ }
+ else
+ {
+ //
+ // No so it drew or lost.
+ //
+ if (0 == iResult)
+ {
+ Trace("BookLearn: Game was a draw, increase "
+ "drawishness of this book entry.\n");
+ entry.iDraws++;
+ }
+ else
+ {
+ Trace("BookLearn: Side moving lost, discourage "
+ "this book entry.\n");
+ entry.iLosses++;
+ }
+ }
+
+ //
+ // Write it back into the book.
+ //
+ _BookSeek(x);
+ _BookWrite(&entry);
+
+ //
+ // Done looking for this move.
+ //
+ break;
+
+ } // entry.move matches
+
+ } // loop to look at all moves on entries w/ matching sig
+
+ } // was sig found in book?
+
+ } // main game move loop
+
+ end:
+ Trace("BookLearn: Changed %u book positions.\n", iChanged);
+ _BookClose();
+}
+
+
+//+----------------------------------------------------------------------------
+//
+// Function: PreferPosition
+//
+// Synopsis: Given a position, love, hate or be neutral towards it.
+//
+// If the position is to be loved, all other book entries
+// that lead to it will be flagged "always play".
+//
+// If the position is to be hated, all other book entries
+// that lead to it will be flagged "never play".
+//
+// A neutral setting will cause all other book entries that
+// lead to have their flags cleared.
+//
+// Arguments: POSITION pos - the pos, needed to make a FEN
+// FILE *fd - file to record permanently in
+// INT64 i64Targ - the signature to love/hate/neuter
+// int i : -1 means hate
+// : 0 means neuter
+// : 1 means love
+//
+// Returns: void
+//
+//+----------------------------------------------------------------------------
+void
+PreferPosition(POSITION *pos, FILE *fd, INT64 i64Targ, int i)
+{
+ int iTotalEntries = _BookCount();
+ int x;
+ int iChanged = 0;
+ static BOOK_ENTRY entry;
+
+ ASSERT(pos->u64Sig == i64Targ);
+
+ if (g_pMemBook != NULL)
+ {
+ ASSERT(FALSE);
+ return;
+ }
+
+ iTotalEntries = _BookCount();
+
+ for (x = 0;
+ x < iTotalEntries - 1;
+ x++)
+ {
+ if ((x % 10000) == 0)
+ {
+ printf("%u / %u\r", x, iTotalEntries);
+ }
+ _BookSeek(x);
+ _BookRead(&entry);
+
+ if (entry.i64NextSig == i64Targ)
+ {
+ iChanged++;
+
+ switch(i)
+ {
+ case -1:
+ _BookSeek(x);
+ entry.bvFlags = FLAG_DISABLED;
+ _BookWrite(&entry);
+ if (NULL != fd)
+ {
+ fprintf(fd, "%I64x (%x) FLAGS %x // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ entry.bvFlags,
+ BoardToFEN(pos));
+ }
+ break;
+ case 0:
+ _BookSeek(x);
+ entry.bvFlags = 0;
+ _BookWrite(&entry);
+ if (NULL != fd)
+ {
+ fprintf(fd, "%I64x (%x) FLAGS %x // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ entry.bvFlags,
+ BoardToFEN(pos));
+ }
+ break;
+ case 1:
+ _BookSeek(x);
+ entry.bvFlags = FLAG_ALWAYSPLAY;
+ _BookWrite(&entry);
+ if (NULL != fd)
+ {
+ fprintf(fd, "%I64x (%x) FLAGS %x // %s\n",
+ entry.u64Sig,
+ entry.mvNext.move,
+ entry.bvFlags,
+ BoardToFEN(pos));
+ }
+ break;
+ }
+ }
+ }
+
+ printf("\n\n");
+ Trace("PreferPosition: Changed %u lines\n", iChanged);
+}
+
+//+----------------------------------------------------------------------------
+//
+// Function: ImportEditing
+//
+// Synopsis: Affect the opening book file based on an old editing record
+// (.EDT file). Apply editing / learning record to the new book
+// positions.
+//
+// Arguments: char *szFile
+//
+// Returns: FLAG
+//
+//+----------------------------------------------------------------------------
+FLAG
+ImportEditing(char *szFile)
+{
+ FILE *p = fopen(szFile, "r");
+ FLAG fMyRetVal = FALSE;
+ static char szLine[512];
+ char szOpcode[512];
+ int iArg;
+ int iTotalEntries;
+ INT64 u64Sig;
+ MOVE mv;
+ int iLow, iHigh, iCurrent = 0;
+ int iIndex;
+ BOOK_ENTRY entry;
+ BOOK_ENTRY klobber;
+
+ //
+ // We cannot probe the opening book if membook is non-NULL (which
+ // indicates the opening book is currently in-memory and still being
+ // built.
+ //
+ if (g_pMemBook != NULL)
+ {
+ goto end;
+ }
+
+ //
+ // Open the book.
+ //
+ iTotalEntries = _BookCount();
+ if (0 == iTotalEntries)
+ {
+ Trace("BookMove: Opening book \"%s\" is empty.\n",
+ g_Options.szBookName);
+ goto end;
+ }
+
+ if (FALSE == _BookOpen())
+ {
+ Trace("BookMove: Could not open the book.\n");
+ goto end;
+ }
+
+ if (NULL != p)
+ {
+ while(fgets(szLine, 511, p))
+ {
+ if (_snscanf(szLine, 511, "%I64x (%x) %s",
+ &u64Sig,
+ &mv.move,
+ &szOpcode) != 3)
+ {
+ continue;
+ }
+
+#ifdef DEBUG
+ Trace("Searching for %I64x move %x\n",
+ u64Sig, mv.move);
+#endif
+
+ if (_BookFindSig(u64Sig, &iLow, &iHigh))
+ {
+ //
+ // Walk forward looking for the right move.
+ //
+ memset(&entry, 0, sizeof(entry));
+ for (iIndex = iLow;
+ iIndex <= iHigh;
+ iIndex++)
+ {
+ _BookSeek(iIndex);
+ _BookRead(&entry);
+ ASSERT(entry.u64Sig == u64Sig);
+
+ if (entry.mvNext.move == mv.move) break;
+ }
+
+ //
+ // Did we find the move?
+ //
+ if (entry.mvNext.move != mv.move)
+ {
+ Trace("Move %x not present in book at position %I64x\n",
+ mv.move, u64Sig);
+ continue;
+ }
+
+ //
+ // Yes. What should we do with it?
+ //
+ if (!STRNCMP(szOpcode, "FLAGS", 5))
+ {
+ if (_snscanf(szLine, 511, "%I64x (%x) %s %x",
+ &u64Sig,
+ &mv.move,
+ &szOpcode,
+ &iArg) == 4)
+ {
+ if (iArg >= 0) entry.bvFlags = iArg;
+ }
+ else
+ {
+ Trace("Error\n");
+ }
+ }
+ else if (!STRNCMP(szOpcode, "+", 1))
+ {
+ if (_snscanf(szLine, 511, "%I64x (%x) %s %u",
+ &u64Sig,
+ &mv.move,
+ &szOpcode,
+ &iArg) == 4)
+ {
+ if (iArg >= 0) entry.iWins = iArg;
+ }
+ else
+ {
+ Trace("Error\n");
+ }
+ }
+ else if (!STRNCMP(szOpcode, "=", 1))
+ {
+ if (_snscanf(szLine, 511, "%I64x (%x) %s %u",
+ &u64Sig,
+ &mv.move,
+ &szOpcode,
+ &iArg) == 4)
+ {
+ if (iArg >= 0) entry.iDraws = iArg;
+ }
+ else
+ {
+ Trace("Error\n");
+ }
+ }
+ else if (!STRNCMP(szOpcode, "-", 1))
+ {
+ if (_snscanf(szLine, 511, "%I64x (%x) %s %u",
+ &u64Sig,
+ &mv.move,
+ &szOpcode,
+ &iArg) == 4)
+ {
+ if (iArg >= 0) entry.iLosses = iArg;
+ }
+ else
+ {
+ Trace("Error\n");
+ }
+ }
+ else
+ {
+ Trace("Error\n");
+ }
+
+ //
+ // Write it back to the book
+ //
+ _BookSeek(iIndex);
+ _BookRead(&klobber);
+
+ if ((entry.u64Sig ==
+ klobber.u64Sig) &&
+ (entry.mvNext.move ==
+ klobber.mvNext.move))
+ {
+ _BookWrite(&entry);
+ }
+ }
+ }
+ }
+
+ fMyRetVal = TRUE;
+ end:
+ _BookClose();
+ return(fMyRetVal);
+}
+#endif
+
+
+static FLAG
+_FindTerminalPositions(CHAR *szFilename,
+ ULONG uPlyBeforeMate)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+ ULONG uMovesBeforeMate
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ CHAR *p;
+ FILE *pf = NULL;
+ struct stat s;
+ POSITION *pos;
+ SEARCHER_THREAD_CONTEXT *ctx;
+ FLAG fInCheck;
+ MOVE mv;
+ ULONG u;
+ FLAG fRet = FALSE;
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ if (NULL == ctx)
+ {
+ Trace("Out of memory.\n");
+ goto end;
+ }
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("FindTerminalPositions: file \"%s\" doesn't exist.\n",
+ szFilename);
+ goto end;
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("FindTerminalPositions: Can't read file \"%s\".\n",
+ szFilename);
+ goto end;
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("FindTerminalPositions: error reading file %s.\n",
+ szFilename);
+ goto end;
+ }
+
+ mv.uMove = 0;
+ while((p = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ if (TRUE == LoadPgn(p))
+ {
+ pos = GetRootPosition();
+
+ fInCheck = InCheck(pos, pos->uToMove);
+ if (TRUE == fInCheck)
+ {
+ InitializeSearcherContext(pos, ctx);
+ GenerateMoves(ctx, mv, GENERATE_ESCAPES);
+ if (0 == MOVE_COUNT(ctx, 0))
+ {
+ u = uPlyBeforeMate;
+ while(u)
+ {
+ if (FALSE == OfficiallyTakebackMove())
+ {
+ break;
+ }
+ u--;
+ }
+ pos = GetRootPosition();
+ InitializeSearcherContext(pos, ctx);
+ DumpPosition(pos);
+ (void)Eval(ctx, -INFINITY, +INFINITY);
+ Trace("King safeties: W=%d, B=%d\n",
+ ctx->sPlyInfo[ctx->uPly].iKingScore[WHITE],
+ ctx->sPlyInfo[ctx->uPly].iKingScore[BLACK]);
+ }
+ }
+ }
+ SystemFreeMemory(p);
+ }
+ fclose(pf);
+ fRet = TRUE;
+
+ end:
+ if (NULL != ctx)
+ {
+ SystemFreeMemory(ctx);
+ }
+ return(fRet);
+}
+
+
+
+COMMAND(BookCommand)
+{
+ CHAR *szOpcode;
+ CHAR *pDot;
+
+ ASSERT(!STRNCMPI(argv[0], "BOOK", 4));
+ if (argc < 2)
+ {
+ Trace("Available opening book commands:\n\n"
+ " book name : set opening book file\n"
+ " book import : import PGN or EDT data to book file\n"
+ " book dump learning : show book learning\n"
+ " book dump moves : show book moves in current position\n"
+ " book edit : edit book moves in current position\n"
+ " book tourn : view / toggle tournament mode\n"
+ " book openings : read opening line names PGN file\n"
+ " book hackhack : read PGN files looking for mate\n"
+ "\n");
+ return;
+ }
+
+ szOpcode = argv[1];
+ if (!STRNCMPI(szOpcode, "NAME", 4))
+ {
+ //
+ // book name <filename> : set opening book to use
+ //
+ if (argc == 2)
+ {
+ Trace("Usage: book name <required-filename>\n");
+ return;
+ }
+ strncpy(g_Options.szBookName, argv[2], SMALL_STRING_LEN_CHAR);
+ Trace("Opening book name set to \"%s\"\n", argv[2]);
+ }
+ else if (!STRNCMPI(argv[1], "DUMP", 4))
+ {
+ //
+ // book dump : show book dump help
+ //
+ if (argc == 2)
+ {
+ Trace("Available book dump commands:\n"
+ " book dump learning : show book learning\n"
+ " book dump moves : show book moves in current"
+ "position\n"
+ "\n");
+ return;
+ }
+ ASSERT(argc > 2);
+
+ if (!STRNCMPI(argv[2], "LEARNING", 5))
+ {
+ //
+ // book dump learning : show book learning on stdout
+ //
+ _DumpUserOpeningList();
+ }
+ else
+ {
+ //
+ // book dump moves : show book moves in this position
+ //
+ BookMove(pos, BOOKMOVE_DUMP);
+ }
+ }
+ else if (!STRNCMPI(argv[1], "TOURNAMENTMODE", 5))
+ {
+ if (argc == 2)
+ {
+ //
+ // book tourn : show current tournament mode setting
+ //
+ if (g_fTournamentMode == TRUE)
+ {
+ Trace("Tournament mode is currently TRUE.\n");
+ }
+ else
+ {
+ Trace("Tournament mode is currently FALSE.\n");
+ }
+ }
+ else
+ {
+ //
+ // book tourn <t|f> : set tournament mode on or off
+ //
+ if (tolower(*argv[2]) == 't')
+ {
+ g_fTournamentMode = TRUE;
+ Trace("Tournament mode set to TRUE.\n");
+ }
+ else if (tolower(*argv[2]) == 'f')
+ {
+ g_fTournamentMode = FALSE;
+ Trace("Tournament mode set to FALSE.\n");
+ }
+ else
+ {
+ Trace("Usage: book tournamentmode [<true | false>]\n");
+ }
+ }
+ }
+
+#if 0
+ else if (!STRNCMPI(argv[1], "EDIT", 4))
+ {
+ //
+ // book edit : edit book moves in this position
+ //
+ BookEdit(pos);
+ return(TRUE);
+ }
+#endif
+
+ else if (!STRNCMPI(argv[1], "HACKHACK", 8))
+ {
+ if (argc == 2)
+ {
+ Trace("Usage: book hackhack <required-filename>\n");
+ return;
+ }
+ _FindTerminalPositions(argv[2], 4);
+ }
+
+ else if (!STRNCMPI(argv[1], "OPENINGS", 8))
+ {
+ //
+ // book openings : read book opening names file
+ //
+ if (argc == 2)
+ {
+ Trace("Usage: book openings <required-filename>\n");
+ return;
+ }
+
+ if (FALSE == SystemDoesFileExist(argv[2]))
+ {
+ Trace("Error (file doesn't exist): %s\n", argv[2]);
+ return;
+ }
+
+// Trace("%u opening lines named.\n", LearnOpeningNames(argv[2]));
+ }
+
+ else if (!STRNCMPI(argv[1], "IMPORT", 6))
+ {
+ //
+ // book import : create new book file from PGN -or-
+ // apply editing / learning to a book file
+ //
+ if (argc == 2)
+ {
+ Trace("Usage: book import <required-filename>\n");
+ return;
+ }
+
+ if (FALSE == SystemDoesFileExist(argv[2]))
+ {
+ Trace("Error (file doesn't exist): %s\n", argv[2]);
+ return;
+ }
+
+ pDot = strrchr(argv[2], '.');
+ if (NULL == pDot)
+ {
+ Trace("Error (unknown filetype): %s\n", argv[2]);
+ return;
+ }
+
+ if (!STRNCMPI(pDot, ".pgn", 4))
+ {
+ if (TRUE == SystemDoesFileExist(g_Options.szBookName))
+ {
+ Trace("The opening book %s already exists, "
+ "importing new lines\n", g_Options.szBookName);
+ _LearnPgnOpenings(argv[2], 0);
+ }
+ else
+ {
+ Trace("The opening book %s does not exists, "
+ "creating new book\n", g_Options.szBookName);
+ _LearnPgnOpenings(argv[2], 1);
+ }
+ }
+#if 0
+ else if (!STRNCMPI(pDot, ".edt", 4))
+ {
+ if (FALSE == ImportEditing(argv[2]))
+ {
+ Trace("An error occurred while importing .edt file.\n");
+ }
+ }
+#endif
+ else
+ {
+ Trace("Error (unknown filetype): %s\n", argv[2]);
+ }
+ }
+}
--- /dev/null
+#!/bin/sh
+touch main.c
+opts='GENETIC=1 PERF_COUNTERS=1 MP=1 '
+if expr $OSTYPE = "darwin"; then
+ opts=${opts}' OSX=1 CC=gcc'
+ make -j5 $opts $*
+else
+ opts=${opts}' CC=gcc'
+ gmake -j5 $opts $*
+fi
+strip ./typhoon
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ chess.h
+
+Abstract:
+
+Author:
+
+
+Revision History:
+
+ $Id: chess.h 350 2008-06-28 03:12:34Z scott $
+
+**/
+
+#ifndef CHESS_
+#define CHESS_
+
+#include "compiler.h"
+
+//
+// Datatype wrappers
+//
+#define MIN_CHAR (0x80)
+#define MAX_CHAR (0x7f)
+typedef char CHAR;
+
+#define MIN_BYTE (0x00)
+#define MAX_BYTE (0xff)
+typedef unsigned char BYTE;
+
+#define MIN_UCHAR (0x00)
+#define MAX_UCHAR (0xff)
+typedef unsigned char UCHAR;
+#define CAN_FIT_IN_UCHAR(x) ((x) <= MAX_UCHAR)
+
+#define MIN_SHORT (0x8000)
+#define MAX_SHORT (0x7fff)
+typedef signed short SHORT;
+
+#define MIN_USHORT (0x0000)
+#define MAX_USHORT (0xffff)
+typedef unsigned short USHORT;
+#define CAN_FIT_IN_USHORT(x) ((x) <= MAX_USHORT)
+
+#define MIN_WORD (0x0000)
+#define MAX_WORD (0xffff)
+typedef unsigned short WORD;
+
+#define MIN_INT (0x80000000)
+#define MAX_INT (0x7fffffff)
+typedef signed int INT;
+
+#define MIN_DWORD (0x00000000)
+#define MAX_DWORD (0xffffffff)
+typedef unsigned int DWORD;
+
+#define MIN_UINT (0x00000000)
+#define MAX_UINT (0xffffffff)
+typedef unsigned int UINT;
+
+#define MIN_ULONG (0x00000000)
+#define MAX_ULONG (0xffffffff)
+typedef unsigned int ULONG;
+
+#define MIN_INT64 (0x8000000000000000)
+#define MAX_INT64 (0x7fffffffffffffff)
+typedef signed COMPILER_LONGLONG INT64;
+
+#define MIN_UINT64 (0x0000000000000000)
+#define MAX_UINT64 (0xffffffffffffffff)
+typedef unsigned COMPILER_LONGLONG UINT64;
+
+#define MIN_BITBOARD (0x0000000000000000)
+#define MAX_BITBOARD (0xffffffffffffffff)
+typedef UINT64 BITBOARD;
+
+#define MIN_BITV MIN_UINT
+#define MAX_BITV MAX_UINT
+typedef unsigned int BITV;
+
+#define MIN_FLAG MIN_UINT
+#define MAX_FLAG MAX_UINT
+typedef unsigned int FLAG;
+#define IS_VALID_FLAG(x) (((x) == TRUE) || ((x) == FALSE))
+
+typedef unsigned int COOR;
+typedef unsigned int PIECE;
+typedef signed int SCORE;
+
+#define BIT1 (0x1)
+#define BIT2 (0x2)
+#define BIT3 (0x4)
+#define BIT4 (0x8)
+#define BIT5 (0x10)
+#define BIT6 (0x20)
+#define BIT7 (0x40)
+#define BIT8 (0x80)
+#define BIT9 (0x100)
+#define BIT10 (0x200)
+#define BIT11 (0x400)
+#define BIT12 (0x800)
+#define BIT13 (0x1000)
+#define BIT14 (0x2000)
+#define BIT15 (0x4000)
+#define BIT16 (0x8000)
+#define BIT17 (0x10000)
+#define BIT18 (0x20000)
+#define BIT19 (0x40000)
+#define BIT20 (0x80000)
+#define BIT21 (0x100000)
+#define BIT22 (0x200000)
+#define BIT23 (0x400000)
+#define BIT24 (0x800000)
+#define BIT25 (0x1000000)
+#define BIT26 (0x2000000)
+#define BIT27 (0x4000000)
+#define BIT28 (0x8000000)
+#define BIT29 (0x10000000)
+#define BIT30 (0x20000000)
+#define BIT31 (0x40000000)
+#define BIT32 (0x80000000)
+
+typedef struct _DLIST_ENTRY
+{
+ struct _DLIST_ENTRY *pFlink;
+ struct _DLIST_ENTRY *pBlink;
+} DLIST_ENTRY;
+
+//
+// Constants
+//
+#define YES (1)
+#define NO (0)
+#ifndef TRUE
+#define TRUE (YES)
+#endif
+#ifndef FALSE
+#define FALSE (NO)
+#endif
+
+//
+// Calculate the length of an array (i.e. number of elements)
+//
+#define ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
+#define COMMAND(x) \
+ void (x)(CHAR *szInput, ULONG argc, CHAR *argv[], POSITION *pos)
+#define MB (1024 * 1024)
+
+//
+// Calculate the address of the base of the structure given its type, and an
+// address of a field within the structure.
+//
+#ifndef OFFSET_OF
+#define OFFSET_OF(field, type) \
+ (ULONG)(&((type *)0)->field)
+#endif
+#ifndef CONTAINING_STRUCT
+#define CONTAINING_STRUCT(address, type, field) \
+ ((type *)((BYTE *)(address) - (BYTE *)(OFFSET_OF(field, type))))
+#endif
+
+#define WHITE (1)
+#define BLACK (0)
+#define BAD_COLOR (2)
+#define IS_VALID_COLOR(x) (((x) == WHITE) || ((x) == BLACK))
+#define FOREACH_COLOR(x) for((x) = BLACK; (x) < BAD_COLOR; (x)++)
+#define RANDOM_COLOR (rand() & 1)
+#define FLIP(color) ((color) ^ 1)
+#define COLOR_NAME(color) (((color) == WHITE) ? "white" : "black")
+
+#define MAX_MOVES_PER_PLY (218)
+#define MAX_PLY_PER_SEARCH (64)
+#define MAX_MOVES_PER_GAME (1024)
+#define SMALL_STRING_LEN_CHAR (256)
+#define MEDIUM_STRING_LEN_CHAR (8192)
+#define BIG_STRING_LEN_CHAR (16384)
+
+#define QUARTER_PLY 16
+#define HALF_PLY 32
+#define THREE_QUARTERS_PLY 48
+#define ONE_PLY 64
+#define TWO_PLY 128
+#define THREE_PLY 192
+#define FOUR_PLY 256
+#define MAX_DEPTH_PER_SEARCH (MAX_PLY_PER_SEARCH * ONE_PLY)
+
+#define IS_VALID_DEPTH(x) (((x) >= 0) && \
+ ((x) <= MAX_DEPTH_PER_SEARCH) && \
+ (((x) & 0xfffff00f) == 0))
+
+#define INFINITY (MAX_SHORT)
+#define INVALID_SCORE (INFINITY + 1)
+#define IS_VALID_SCORE(x) (((x) >= -INFINITY) && \
+ ((x) <= +INFINITY))
+#define NMATE (+INFINITY - 200)
+#define MATED_SCORE(ply) (-INFINITY + (ply))
+
+#define IS_A_POWER_OF_2(x) (((x) & (x - 1)) == 0)
+//
+// Program version number
+//
+#define VERSION "1.00"
+#define REVISION "$Id: chess.h 350 2008-06-28 03:12:34Z scott $\n"
+
+//
+// Function decorators
+//
+#define IN
+#define OUT
+#define INOUT
+#define UNUSED
+#define NOTHING
+
+// ----------------------------------------------------------------------
+//
+// PIECE:
+//
+// a piece (4 bits) = type (3 bits) + color (1 bit)
+//
+// 3 1 0
+// . . . .
+// | | |
+// type C
+//
+#define KING (6) // 110X
+#define QUEEN (5) // 101X
+#define ROOK (4) // 100X
+#define BISHOP (3) // 011X
+#define KNIGHT (2) // 010X
+#define PAWN (1) // 001X
+#define EMPTY (0) // 000X
+
+// (WHATEVER << 1)
+#define BLACK_PAWN (2) // 0010
+#define BLACK_KNIGHT (4) // 0100
+#define BLACK_BISHOP (6) // 0110
+#define BLACK_ROOK (8) // 1000
+#define BLACK_QUEEN (10) // 1010
+#define BLACK_KING (12) // 1100
+
+// (WHATEVER << 1) | WHITE
+#define WHITE_PAWN (3) // 0011
+#define WHITE_KNIGHT (5) // 0101
+#define WHITE_BISHOP (7) // 0111
+#define WHITE_ROOK (9) // 1001
+#define WHITE_QUEEN (11) // 1011
+#define WHITE_KING (13) // 1101
+
+#define PIECE_TYPE(p) ((p) >> 1)
+#define PIECE_COLOR(p) ((p) & WHITE)
+#define RANDOM_PIECE (rand() % 12) + 2;
+#define IS_PAWN(p) (((p) & 0xE) == BLACK_PAWN)
+#define IS_KNIGHT(p) (((p) & 0xE) == BLACK_KNIGHT)
+#define IS_BISHOP(p) (((p) & 0xE) == BLACK_BISHOP)
+#define IS_ROOK(p) (((p) & 0xE) == BLACK_ROOK)
+#define IS_QUEEN(p) (((p) & 0xE) == BLACK_QUEEN)
+#define IS_KING(p) (((p) & 0xE) == BLACK_KING)
+#define IS_KNIGHT_OR_KING(p) (((p) & 0x6) == 0x4)
+#define IS_VALID_PIECE(p) ((PIECE_TYPE((p)) >= PAWN) && \
+ (PIECE_TYPE((p)) <= KING))
+#define IS_WHITE_PIECE(p) ((p) & WHITE)
+#define IS_BLACK_PIECE(p) (!IS_WHITE(p))
+#define OPPOSITE_COLORS(p, q) (((p) ^ (q)) & WHITE)
+#define SAME_COLOR(p,q) (!OPPOSITE_COLORS(p, q))
+#define GET_COLOR(p) ((p) & WHITE)
+
+// ----------------------------------------------------------------------
+//
+// a coordinate (8 bits) = rank + file (0x88)
+//
+// 7 4 3 0
+// . . . . . . . .
+// | | |
+// rank file
+// | |
+// | +--- 0-7 = file A thru file H
+// |
+// +------------ 0-7 = rank 1 thru rank 8
+//
+// given a coordinate, C, if C & 0x88 then it is illegal (off board)
+//
+//
+// 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+// +---------------------------------------+
+// 8 | 00 |:01:| 02 |:03:| 04 |:05:| 06 |:07:| 0x00
+// 7 |:10:| 11 |:12:| 13 |:14:| 15 |:16:| 17 | 0x10
+// 6 | 20 |:21:| 22 |:23:| 24 |:25:| 26 |:27:| 0x20
+// 5 |:30:| 31 |:32:| 33 |:34:| 35 |:36:| 37 | 0x30
+// 4 | 40 |:41:| 42 |:43:| 44 |:45:| 46 |:47:| 0x40
+// 3 |:50:| 51 |:52:| 53 |:54:| 55 |:56:| 57 | 0x50
+// 2 | 60 |:61:| 62 |:63:| 64 |:65:| 66 |:67:| 0x60
+// 1 |:70:| 71 |:72:| 73 |:74:| 75 |:76:| 77 | 0x70
+// +---------------------------------------+
+// A B C D E F G H
+//
+#define A (0)
+#define B (1)
+#define C (2)
+#define D (3)
+#define E (4)
+#define F (5)
+#define G (6)
+#define H (7)
+
+#define A8 (0x00)
+#define B8 (0x01)
+#define C8 (0x02)
+#define D8 (0x03)
+#define E8 (0x04)
+#define F8 (0x05)
+#define G8 (0x06)
+#define H8 (0x07)
+
+#define A7 (0x10)
+#define B7 (0x11)
+#define C7 (0x12)
+#define D7 (0x13)
+#define E7 (0x14)
+#define F7 (0x15)
+#define G7 (0x16)
+#define H7 (0x17)
+
+#define A6 (0x20)
+#define B6 (0x21)
+#define C6 (0x22)
+#define D6 (0x23)
+#define E6 (0x24)
+#define F6 (0x25)
+#define G6 (0x26)
+#define H6 (0x27)
+
+#define A5 (0x30)
+#define B5 (0x31)
+#define C5 (0x32)
+#define D5 (0x33)
+#define E5 (0x34)
+#define F5 (0x35)
+#define G5 (0x36)
+#define H5 (0x37)
+
+#define A4 (0x40)
+#define B4 (0x41)
+#define C4 (0x42)
+#define D4 (0x43)
+#define E4 (0x44)
+#define F4 (0x45)
+#define G4 (0x46)
+#define H4 (0x47)
+
+#define A3 (0x50)
+#define B3 (0x51)
+#define C3 (0x52)
+#define D3 (0x53)
+#define E3 (0x54)
+#define F3 (0x55)
+#define G3 (0x56)
+#define H3 (0x57)
+
+#define A2 (0x60)
+#define B2 (0x61)
+#define C2 (0x62)
+#define D2 (0x63)
+#define E2 (0x64)
+#define F2 (0x65)
+#define G2 (0x66)
+#define H2 (0x67)
+
+#define A1 (0x70)
+#define B1 (0x71)
+#define C1 (0x72)
+#define D1 (0x73)
+#define E1 (0x74)
+#define F1 (0x75)
+#define G1 (0x76)
+#define H1 (0x77)
+
+// TODO: if use this anywhere that matters, consider double loop
+// and unrolling the inside loop to prevent the multiple
+// continue for invalid squares
+#define FOREACH_SQUARE(x) for((x) = (A8); (x) <= (H1); (x)++)
+
+#define IS_ON_BOARD(c) (!((c) & 0x88))
+#define RANDOM_COOR (rand() & 0x77)
+#define FILE_RANK_TO_COOR(f, r) (((8 - (r)) << 4) | (f))
+#define RANK(c) (8 - ((c) >> 4))
+#define RANK1(c) (((c) & 0xF0) == 0x70)
+#define RANK2(c) (((c) & 0xF0) == 0x60)
+#define RANK3(c) (((c) & 0xF0) == 0x50)
+#define RANK4(c) (((c) & 0xF0) == 0x40)
+#define RANK5(c) (((c) & 0xF0) == 0x30)
+#define RANK6(c) (((c) & 0xF0) == 0x20)
+#define RANK7(c) (((c) & 0xF0) == 0x10)
+#define RANK8(c) (((c) & 0xF0) == 0x00)
+#define FILE(c) ((c) & 0x0F)
+#define FILEA(c) (((c) & 0x0F) == 0x00)
+#define FILEB(c) (((c) & 0x0F) == 0x01)
+#define FILEC(c) (((c) & 0x0F) == 0x02)
+#define FILED(c) (((c) & 0x0F) == 0x03)
+#define FILEE(c) (((c) & 0x0F) == 0x04)
+#define FILEF(c) (((c) & 0x0F) == 0x05)
+#define FILEG(c) (((c) & 0x0F) == 0x06)
+#define FILEH(c) (((c) & 0x0F) == 0x07)
+#define IS_WHITE_SQUARE_FR(f, r) (((f) + (r) - 1) & 1)
+#define IS_WHITE_SQUARE_COOR(c) (IS_WHITE_SQUARE_FR(FILE(c), RANK(c)))
+#define VALID_EP_SQUARE(c) (((c) == ILLEGAL_COOR) || ((c) == 0) || \
+ (RANK3(c)) || \
+ (RANK6(c)))
+
+// ----------------------------------------------------------------------
+//
+// a move (4 bytes) = from/to, moved, captured, promoted and special
+//
+// 31 24 23 16 15 12 11 8 7 4 3 0
+// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+// | from | to | moved | capt | prom | flags |
+// | | | | |
+// | | | | |
+// | | | | |
+// | | +-------+-------+-- type and
+// | | color of
+// | | piece moved
+// | | captured and
+// | | promote targ
+// +---------------+-- board location where
+// move begins and ends
+//
+//
+// Special flag asserted on special move types:
+//
+// if (special)
+// {
+// if (moved == PAWN)
+// {
+// if (promotion)
+// {
+// move is a promote (w/ or w/o capture)
+// }
+// else if (capture)
+// {
+// move is an en passant catpure
+// }
+// else
+// {
+// move is a double jump
+// }
+// }
+// else if (moved == KING)
+// {
+// move is a castle (long or short)
+// }
+// else
+// {
+// invalid use of special flag
+// }
+// }
+//
+typedef union _MOVE
+{
+ ULONG uMove;
+ struct
+ {
+ UCHAR cFrom : 8;
+ UCHAR cTo : 8;
+ UCHAR pMoved : 4;
+ UCHAR pCaptured : 4;
+ UCHAR pPromoted : 4;
+ UCHAR bvFlags : 4;
+ };
+} MOVE;
+
+#define IS_SAME_MOVE(a, b) \
+ (((a).uMove & 0x0FFFFFFF) == (((b).uMove & 0x0FFFFFFF)))
+
+#define MAKE_MOVE(from,to,piece,cap,prom,flags) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20) | \
+ ((ULONG)(prom) << 24) | \
+ ((ULONG)(flags) << 28))
+
+#define MAKE_MOVE_WITH_NO_PROM_OR_FLAGS(from,to,piece,cap) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20))
+
+//
+// Move flag values:
+//
+#define MOVE_FLAG_SPECIAL (1) // en pass, prom, castle, double
+#define IS_SPECIAL_MOVE(mv) \
+ ((mv).uMove & 0x10000000)
+
+#define IS_CASTLE(mv) \
+ (IS_SPECIAL_MOVE(mv) && IS_KING((mv).pMoved))
+
+#ifdef DEBUG
+#define IS_PROMOTION(mv) \
+ (IS_SPECIAL_MOVE(mv) && ((mv).pPromoted))
+#else
+#define IS_PROMOTION(mv) \
+ ((mv).pPromoted)
+#endif
+
+#define IS_CAPTURE_OR_PROMOTION(mv) \
+ ((mv).uMove & 0x0FF00000)
+
+#define IS_ENPASSANT(mv) \
+ (IS_SPECIAL_MOVE(mv) && (mv.pCaptured) && !IS_PROMOTION(mv))
+
+#define IS_DOUBLE_JUMP(mv) \
+ (IS_SPECIAL_MOVE(mv) && !IS_CAPTURE_OR_PROMOTION(mv))
+
+#define MOVE_FLAG_KILLERMATE (2) // killer mate
+#define IS_KILLERMATE_MOVE(mv) ((mv).uMove & 0x20000000)
+
+#define MOVE_FLAG_ESCAPING_CHECK (4) // escaping check
+#define IS_ESCAPING_CHECK(mv) ((mv).uMove & 0x40000000)
+
+#define MOVE_FLAG_CHECKING (8) // checking move
+#define IS_CHECKING_MOVE(mv) ((mv).uMove & 0x80000000)
+
+// ----------------------------------------------------------------------
+//
+// Move list
+//
+#define MAX_MOVE_LIST (MAX_MOVES_PER_GAME + MAX_PLY_PER_SEARCH)
+
+// ----------------------------------------------------------------------
+
+#pragma pack(1)
+typedef union _ATTACK_BITV
+{
+ ULONG uWholeThing;
+ struct
+ {
+ union
+ {
+ UCHAR uSmall;
+ struct
+ {
+ UCHAR uNumAttacks : 3; // 0..2
+ UCHAR uKing : 1; // 4..7
+ UCHAR uQueen : 1;
+ UCHAR uRook : 1;
+ UCHAR uMinor : 1;
+ UCHAR uPawn : 1;
+ } small;
+ };
+
+ // --------------------
+ union
+ {
+ USHORT uBig;
+ struct
+ {
+ USHORT uKing : 1; // 8..23
+ USHORT uQueens : 4;
+ USHORT uRooks : 4;
+ USHORT uMinors : 4;
+ USHORT uPawns : 2;
+ USHORT uUnusedFlag1 : 1;
+ } big;
+ };
+
+ // -------------------
+ union
+ {
+ UCHAR uXray;
+ struct
+ {
+ UCHAR uNumXrays : 3;
+ UCHAR uUnusedFlag2 : 1;
+ UCHAR uQueen : 1; // 24..28
+ UCHAR uRook : 1;
+ UCHAR uBishop : 1;
+ UCHAR uUnusedFlag3 : 1;
+ } xray;
+ };
+ };
+}
+ATTACK_BITV;
+
+#define UNSAFE_FOR_MINOR(x) ((ULONG)((x).uWholeThing) & 0x00000080UL)
+#define UNSAFE_FOR_ROOK(x) ((ULONG)((x).uWholeThing) & 0x000000C0UL)
+#define UNSAFE_FOR_QUEEN(x) ((ULONG)((x).uWholeThing) & 0x000000E0UL)
+
+#define PAWN_BIT 0x00000080UL
+#define MINOR_BIT 0x00000040UL
+#define MINOR_XRAY_BIT 0x40000000UL
+#define ROOK_BIT 0x00000020UL
+#define ROOK_XRAY_BIT 0x20000000UL
+#define QUEEN_BIT 0x00000010UL
+#define QUEEN_XRAY_BIT 0x10000000UL
+
+#define INVALID_PIECE_INDEX (17)
+#define IS_VALID_PIECE_INDEX(x) ((x) < INVALID_PIECE_INDEX)
+
+typedef union _SQUARE
+{
+ struct
+ {
+ PIECE pPiece;
+ ULONG uIndex;
+ };
+ ATTACK_BITV bvAttacks[2];
+}
+SQUARE;
+#pragma pack()
+
+//
+// POSITION
+//
+typedef struct _POSITION
+{
+ SQUARE rgSquare[128]; // where the pieces are,
+ // also, the attack table
+ UINT64 u64NonPawnSig; // hash signature
+ UINT64 u64PawnSig; // pawn hash signature
+ ULONG uToMove; // whose turn?
+ ULONG uFifty; // 50 moves w/o progress = draw
+ FLAG fCastled[2]; // record when sides have castled
+ BITV bvCastleInfo; // who can castle how?
+ COOR cEpSquare; // en-passant capture square
+
+ COOR cPawns[2][8]; // location of pawns on the board
+ ULONG uPawnMaterial[2]; // pawn material of each side
+ ULONG uPawnCount[2]; // number of pawns for each side
+
+ COOR cNonPawns[2][16]; // location of pieces on the board
+ ULONG uNonPawnMaterial[2]; // piece material of each side
+ ULONG uNonPawnCount[2][8]; // number of non-pawns / type
+ // 0 and 1 are the sum,
+ // 2..6 are per PIECE_TYPE
+
+ ULONG uWhiteSqBishopCount[2]; // num bishops on white squares
+ SCORE iMaterialBalance[2]; // material balance
+
+ // temporary storage space for use in eval
+ COOR cTrapped[2];
+ ULONG uArmyScaler[2];
+ ULONG uClosedScaler;
+ SCORE iScore[2];
+ SCORE iReducedMaterialDownScaler[2];
+ SCORE iTempScore;
+ ULONG uMinMobility[2];
+ COOR cPiece;
+ ULONG uMinorsAtHome[2];
+ BITBOARD bb;
+ ULONG uPiecesPointingAtKing[2];
+}
+POSITION;
+
+//
+// Castling permission bitvector flags.
+//
+#define CASTLE_WHITE_SHORT (1)
+#define CASTLE_WHITE_LONG (2)
+#define WHITE_CAN_CASTLE \
+ (CASTLE_WHITE_SHORT | CASTLE_WHITE_LONG)
+#define CASTLE_BLACK_SHORT (4)
+#define CASTLE_BLACK_LONG (8)
+#define BLACK_CAN_CASTLE \
+ (CASTLE_BLACK_SHORT | CASTLE_BLACK_LONG)
+#define CASTLE_NONE_POSSIBLE (0)
+#define CASTLE_ALL_POSSIBLE \
+ (WHITE_CAN_CASTLE | BLACK_CAN_CASTLE)
+
+// ----------------------------------------------------------------------
+//
+// Move stack
+//
+#define MAX_MOVE_STACK (MAX_PLY_PER_SEARCH * \
+ MAX_MOVES_PER_PLY)
+
+//
+// Main part of the move stack, triads of moves, their values and flags
+// that denote where the values came from
+//
+#define MVF_MOVE_SEARCHED (1)
+#define MVF_EXTEND_MOVE (2)
+#define MVF_REDUCE_MOVE (4)
+#define MVF_PRUNE_SUBTREE (8)
+
+typedef struct _MOVE_STACK_MOVE_VALUE_FLAGS
+{
+ SCORE iValue;
+ MOVE mv;
+ BITV bvFlags;
+}
+MOVE_STACK_MOVE_VALUE_FLAGS;
+
+typedef struct _KEY_POINTER
+{
+ int iPointer;
+ ULONG uKey;
+}
+KEY_POINTER;
+
+typedef union _GENERATOR_FLAGS
+{
+ struct {
+ UCHAR uMoveCount;
+ UCHAR uKingMoveCount;
+ UCHAR uCheckingPieces;
+ UCHAR uUnused;
+ };
+ ULONG uAllGenFlags;
+}
+GENERATOR_FLAGS;
+
+//
+// A move stack
+//
+typedef struct _MOVE_STACK
+{
+#ifdef DEBUG
+ POSITION board[MAX_PLY_PER_SEARCH];
+#endif
+ //
+ // Unblocked squares map, used for check detection
+ //
+ ULONG uUnblockedKeyValue[MAX_PLY_PER_SEARCH];
+ KEY_POINTER sUnblocked[MAX_PLY_PER_SEARCH][128];
+
+ //
+ // The main move list, a long series of moves, their values and some
+ // flag bits to tell search what the values are based upon.
+ //
+ MOVE_STACK_MOVE_VALUE_FLAGS mvf[MAX_MOVE_STACK];
+
+ //
+ // uBegin[ply] and uEnd[ply] specify the start and end of moves gen-
+ // erated for a position at ply distance from the root.
+ //
+ ULONG uPly;
+ ULONG uBegin[MAX_PLY_PER_SEARCH];
+ ULONG uEnd[MAX_PLY_PER_SEARCH];
+ MOVE mvHash[MAX_PLY_PER_SEARCH];
+ GENERATOR_FLAGS sGenFlags[MAX_PLY_PER_SEARCH];
+}
+MOVE_STACK;
+
+#define GENERATE_NO_MOVES \
+ ctx->sMoveStack.uEnd[ctx->uPly] = \
+ ctx->sMoveStack.uBegin[ctx->uPly] + 1; \
+ ctx->sMoveStack.uBegin[ctx->uPly + 1] = \
+ ctx->sMoveStack.uEnd[ctx->uPly]
+
+#define GENERATE_ALL_MOVES (1)
+#define GENERATE_ESCAPES (2)
+#define GENERATE_CAPTURES_PROMS_CHECKS (3)
+#define GENERATE_CAPTURES_PROMS (4)
+#define GENERATE_DONT_SCORE (5)
+#ifdef TEST
+#define GENERATE_ALL_MOVES_CHECK_OK (6)
+#endif
+
+#define MOVE_COUNT(ctx, x) \
+ (((ctx)->sMoveStack.uEnd[(x)]) - (ctx)->sMoveStack.uBegin[(x)])
+#define ONE_LEGAL_MOVE(ctx, x) \
+ (MOVE_COUNT(ctx, x) == 1)
+#define NUM_KING_MOVES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uKingMoveCount)
+#define NUM_CHECKING_PIECES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uCheckingPieces)
+
+
+// ----------------------------------------------------------------------
+//
+// Accumulators
+//
+typedef struct _COUNTERS
+{
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64OverallHits;
+ UINT64 u64UsefulHits;
+ UINT64 u64UpperBoundHits;
+ UINT64 u64LowerBoundHits;
+ UINT64 u64ExactScoreHits;
+ }
+ hash;
+
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64Hits;
+ }
+ pawnhash;
+
+ struct
+ {
+ UINT64 u64TotalNodeCount;
+ UINT64 u64QNodeCount;
+ UINT64 u64LeafCount;
+ UINT64 u64TerminalPositionCount;
+ UINT64 u64BetaCutoffs;
+ UINT64 u64BetaCutoffsOnFirstMove;
+ UINT64 u64NullMoves;
+ UINT64 u64NullMoveSuccess;
+#ifdef TEST_NULL
+ UINT64 u64QuickNullSuccess;
+ UINT64 u64QuickNullDeferredSuccess;
+ UINT64 u64QuickNullFailures;
+ UINT64 u64AvoidNullSuccess;
+ UINT64 u64AvoidNullFailures;
+#endif
+ UINT64 u64EvalHashHits;
+ UINT64 u64LazyEvals;
+ UINT64 u64FullEvals;
+ UINT64 u64CyclesInEval;
+ }
+ tree;
+
+ struct
+ {
+ ULONG uNumSplits;
+ ULONG uNumSplitsTerminated;
+ }
+ parallel;
+
+ struct
+ {
+ ULONG uPawnPush;
+ ULONG uCheck;
+ ULONG uMateThreat;
+ ULONG uRecapture;
+ ULONG uOneLegalMove;
+ ULONG uNoLegalKingMoves;
+ ULONG uMultiCheck;
+ ULONG uSingularMove;
+ ULONG uZugzwang;
+ ULONG uSingularReplyToCheck;
+ ULONG uEndgame;
+ ULONG uBotvinnikMarkoff;
+ ULONG uQExtend;
+ }
+ extension;
+
+ struct
+ {
+ ULONG uProbes;
+ ULONG uHits;
+ }
+ egtb;
+}
+COUNTERS;
+
+typedef struct _CUMULATIVE_SEARCH_FLAGS
+{
+ // search
+ ULONG uNumChecks[2]; // not used
+ FLAG fInSuspiciousBranch; // not used
+ FLAG fInReducedDepthBranch; // not used
+ FLAG fAvoidNullmove; // restore
+ FLAG fVerifyNullmove; // restore
+
+ // qsearch
+ ULONG uQsearchDepth; // restore
+ ULONG uQsearchNodes; // incremental
+ ULONG uQsearchCheckDepth; // restore
+ FLAG fCouldStandPat[2]; // restore
+}
+CUMULATIVE_SEARCH_FLAGS;
+
+// ----------------------------------------------------------------------
+//
+// Searcher thread record
+//
+typedef struct _SPLIT_INFO
+{
+ // locks / counters
+ volatile ULONG uLock; // lock for this split node
+ volatile ULONG uNumThreadsHelping; // num threads in this node
+ volatile FLAG fTerminate; // signal helpers to terminate
+
+ // moves in the split node
+ ULONG uRemainingMoves; // num moves remaining to do
+ ULONG uOnDeckMove; // next move to do
+ ULONG uNumMoves;
+ ULONG uAlreadyDone;
+ MOVE_STACK_MOVE_VALUE_FLAGS
+ mvf[MAX_MOVES_PER_PLY]; // the moves to search
+
+ // input to the split node
+ POSITION sRootPosition; // the root position
+ MOVE mvPathToHere[MAX_PLY_PER_SEARCH]; // path from root to split
+ MOVE mvLast; // last move before split
+ ULONG uDepth; // remaining depth at split
+ INT iPositionExtend; // positional extension
+ SCORE iAlpha; // original alpha at split
+ SCORE iBeta; // beta at split
+ ULONG uSplitPositional; // pos->uPositional at split
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags; // flags at split time
+
+ // output from the split node
+ MOVE mvBest; // the best move
+ SCORE iBestScore; // it's score
+ COUNTERS sCounters; // updated counters
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+#ifdef DEBUG
+ ULONG uSplitPly;
+ POSITION sSplitPosition;
+#endif
+}
+SPLIT_INFO;
+
+typedef struct _PLY_INFO
+{
+#ifdef DEBUG
+ POSITION sPosition;
+ SCORE iAlpha;
+ SCORE iBeta;
+#endif
+ SCORE iEval;
+ INT iExtensionAmount;
+ FLAG fInCheck;
+ FLAG fInQsearch;
+ MOVE mv;
+ MOVE mvBest;
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+ SCORE iKingScore[2];
+ ULONG uMinMobility[2];
+ UINT64 u64NonPawnSig;
+ UINT64 u64PawnSig;
+ UINT64 u64Sig;
+ ULONG uFifty;
+ FLAG fCastled[2];
+ ULONG uTotalNonPawns;
+ BITV bvCastleInfo;
+ COOR cEpSquare;
+}
+PLY_INFO;
+
+#define EVAL_HASH
+#ifdef EVAL_HASH
+#define EVAL_HASH_TABLE_SIZE (2097152) // 32Mb (per thread)
+typedef struct _EVAL_HASH_ENTRY
+{
+ UINT64 u64Key;
+ SCORE iEval;
+ ULONG uPositional;
+ COOR cTrapped[2];
+
+} EVAL_HASH_ENTRY;
+#endif
+
+#define PAWN_HASH_TABLE_SIZE (131072) // 5.5Mb (per thread)
+typedef struct _PAWN_HASH_ENTRY
+{
+ UINT64 u64Key;
+ BITBOARD bbPawnLocations[2];
+ BITBOARD bbPasserLocations[2];
+ BITBOARD bbStationaryPawns[2];
+ SHORT iScore[2];
+ UCHAR uCountPerFile[2][10];
+ UCHAR uNumRammedPawns;
+ UCHAR uNumUnmovedPawns[2];
+}
+PAWN_HASH_ENTRY;
+
+#define NUM_SPLIT_PTRS_IN_CONTEXT (8)
+
+typedef struct _SEARCHER_THREAD_CONTEXT
+{
+ ULONG uPly; // its distance from root
+ ULONG uPositional; // positional component of score
+ POSITION sPosition; // the board
+ MOVE_STACK sMoveStack; // the move stack
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+ MOVE mvKiller[MAX_PLY_PER_SEARCH][2];
+ MOVE mvKillerEscapes[MAX_PLY_PER_SEARCH][2];
+ MOVE mvNullmoveRefutations[MAX_PLY_PER_SEARCH];
+ COUNTERS sCounters;
+ ULONG uThreadNumber;
+ SPLIT_INFO *pSplitInfo[NUM_SPLIT_PTRS_IN_CONTEXT];
+ MOVE mvRootMove;
+ SCORE iRootScore;
+ ULONG uRootDepth;
+ PAWN_HASH_ENTRY rgPawnHash[PAWN_HASH_TABLE_SIZE];
+#ifdef EVAL_HASH
+ EVAL_HASH_ENTRY rgEvalHash[EVAL_HASH_TABLE_SIZE];
+#endif
+ CHAR szLastPV[SMALL_STRING_LEN_CHAR];
+}
+SEARCHER_THREAD_CONTEXT;
+
+//
+// When I added the pawn hash table and eval hash tables to searcher
+// thread contexts they became too heavy to just allocate on the fly
+// for things like checking the legality of SAN moves or seeing if an
+// opening book line leads to a draw. This
+// LIGHTWEIGHT_SEARCHER_CONTEXT structure can be cast into a full
+// SEARCHER_THREAD_CONTEXT and passed safely into the Generate,
+// MakeMove and UnMakeMove functions because they presently only
+// need:
+//
+// 1. uPly
+// 2. sPosition
+// 3. sPlyInfo
+// 4. sMoveStack
+//
+typedef struct _LIGHTWEIGHT_SEARCHER_CONTEXT
+{
+ ULONG uPly;
+ ULONG uPositional;
+ POSITION sPosition;
+ MOVE_STACK sMoveStack;
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+}
+LIGHTWEIGHT_SEARCHER_CONTEXT;
+
+// ----------------------------------------------------------------------
+//
+// Global game options
+//
+typedef struct _GAME_OPTIONS
+{
+ ULONG uMyClock;
+ ULONG uOpponentsClock;
+ FLAG fGameIsRated;
+ FLAG fOpponentIsComputer;
+ ULONG uSecPerMove;
+ ULONG uMaxDepth;
+ UINT64 u64MaxNodeCount;
+ FLAG fShouldPonder;
+ FLAG fPondering;
+ FLAG fThinking;
+ FLAG fSuccessfulPonder;
+ MOVE mvPonder;
+ FLAG fShouldPost;
+ FLAG fForceDrawWorthZero;
+ ULONG uMyIncrement;
+ ULONG uMovesPerTimePeriod;
+ CHAR szAnalyzeProgressReport[SMALL_STRING_LEN_CHAR];
+ FLAG fShouldAnnounceOpening;
+ SCORE iLastEvalScore;
+ UINT64 u64NodesSearched;
+ CHAR szLogfile[SMALL_STRING_LEN_CHAR];
+ CHAR szEGTBPath[SMALL_STRING_LEN_CHAR];
+ CHAR szBookName[SMALL_STRING_LEN_CHAR];
+ ULONG uNumProcessors;
+ ULONG uNumHashTableEntries;
+ FLAG fNoInputThread;
+ FLAG fVerbosePosting;
+ FLAG fRunningUnderXboard;
+ FLAG fStatusLine;
+ FLAG fFastScript;
+ FLAG fShouldResign;
+
+ enum
+ {
+ CLOCK_NORMAL = 0,
+ CLOCK_FIXED,
+ CLOCK_INCREMENT,
+ CLOCK_NONE
+ }
+ eClock;
+
+ enum
+ {
+ GAME_UNKNOWN = 0,
+ GAME_BULLET,
+ GAME_BLITZ,
+ GAME_STANDARD
+ }
+ eGameType;
+
+ enum
+ {
+ I_PLAY_WHITE = 0,
+ I_PLAY_BLACK,
+ FORCE_MODE,
+ EDIT_MODE,
+ ANALYZE_MODE
+ }
+ ePlayMode;
+}
+GAME_OPTIONS;
+extern GAME_OPTIONS g_Options;
+
+// ----------------------------------------------------------------------
+//
+// Move timer
+//
+
+#define TIMER_SEARCHING_FIRST_MOVE (0x1)
+#define TIMER_SEARCHING_IMPORTANT_MOVE (0x2)
+#define TIMER_RESOLVING_ROOT_FL (0x4)
+#define TIMER_RESOLVING_ROOT_FH (0x8)
+#define TIMER_JUST_OUT_OF_BOOK (0x10)
+#define TIMER_CURRENT_OBVIOUS (0x20)
+#define TIMER_CURRENT_WONT_UNBLOCK (0x40)
+#define TIMER_ROOT_POSITION_CRITICAL (0x80)
+#define TIMER_MOVE_IMMEDIATELY (0x100)
+#define TIMER_MANY_ROOT_FLS (0x200)
+#define TIMER_STOPPING (0x400)
+#define TIMER_SPLIT_FAILED (0x800)
+
+typedef struct _MOVE_TIMER
+{
+ double dStartTime;
+ double dEndTime;
+ double dSoftTimeLimit;
+ double dHardTimeLimit;
+ ULONG uNodeCheckMask;
+ volatile BITV bvFlags;
+}
+MOVE_TIMER;
+
+// ----------------------------------------------------------------------
+//
+// Special move tag literals
+//
+#define ILLEGALMOVE ((ULONG)0x1DDD8888)
+
+//
+// useful macros
+//
+#ifdef DEBUG
+void
+_assert(CHAR *szFile, ULONG uLine);
+
+#define ASSERT(x) if (x) \
+ { ; } \
+ else \
+ { _assert(__FILE__, __LINE__); }
+#define VERIFY(x) ASSERT(x)
+#else
+#define ASSERT(x) ;
+#define VERIFY(x) x;
+#endif // DEBUG
+
+#ifdef PERF_COUNTERS
+#define INC(x) ((x) += 1)
+#else
+#define INC(x)
+#endif
+
+#define BREAKPOINT SystemDebugBreakpoint()
+
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#define MAX(x, y) (((x) > (y)) ? (x) : (y))
+
+#ifdef _X86_
+//
+// Note: MAXU, MINU and ABS_DIFF require arguments with the high order
+// bit CLEAR to work right.
+//
+// These are branchless constructs. MAXU and MINU are equivalent to
+// MIN and MAX (with the above restriction on inputs)
+//
+// MIN0 and MAX0 are equivalent to MAX(0, x) and MIN(0, x). These
+// macros have no restiction on argument type.
+//
+// ABS_DIFF is equivalent to abs(x - y). Again, x and y must have
+// their high-order bits CLEAR for this to work.
+//
+// Note: gcc generates code with cmovs so no need for MAXU/MINU on
+// that compiler.
+//
+#define MINU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((x)-(y)))+(y))
+#define MAXU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((y)-(x)))+(x))
+#define MIN0(x) \
+ ((x) & (((int)(x)) >> 31))
+#define MAX0(x) \
+ ((x) & ~(((int)(x)) >> 31))
+
+
+#define ABS_DIFF(a, b) \
+ (((b)-(a)) - ((((b) - (a)) & (((int)((b) - (a))) >> 31) ) << 1))
+
+#endif // _X86_
+
+#ifndef MINU
+#define MINU(x, y) (MIN((x), (y)))
+#endif
+
+#ifndef MAXU
+#define MAXU(x, y) (MAX((x), (y)))
+#endif
+
+#ifndef MIN0
+#define MIN0(x) (MIN((x), 0))
+#endif
+
+#ifndef MAX0
+#define MAX0(x) (MAX((x), 0))
+#endif
+
+#ifndef ABS_DIFF
+#define ABS_DIFF(a, b) (abs((a) - (b)))
+#endif
+
+#define FILE_DISTANCE(a, b) (ABS_DIFF(FILE((a)), FILE((b))))
+#define RANK_DISTANCE(a, b) (ABS_DIFF(((a) & 0xF0), ((b) & 0xF0)) >> 4)
+#define REAL_DISTANCE(a, b) (MAXU(FILE_DISTANCE((a), (b)), \
+ RANK_DISTANCE((a), (b))))
+#ifdef DEBUG
+#define DISTANCE(a, b) DistanceBetweenSquares((a), (b))
+#else
+#define DISTANCE(a, b) g_pDistance[(a) - (b)]
+#endif // DEBUG
+
+#define IS_EMPTY( square ) (!(square))
+#define IS_OCCUPIED( square ) ((square))
+
+#define IS_DEAD( listindex ) ((listindex) > 119)
+#define IS_ALIVE( listindex ) ((listindex) <= 119)
+#define ILLEGAL_COOR (0x88)
+#define EDGE_DISTANCE(c) (MIN(MIN(abs(RANK(c) - 7), RANK(c)), \
+ MIN(abs(FILE(c) - 7), FILE(c))))
+#define NOT_ON_EDGE(c) ((((c) & 0xF0) != 0x00) && \
+ (((c) & 0xF0) != 0x70) && \
+ (((c) & 0x0F) != 0x00) && \
+ (((c) & 0x0F) != 0x07))
+#define ON_EDGE(c) (RANK8(c) || \
+ RANK1(c) || \
+ FILEA(c) || \
+ FILEH(c))
+#define CORNER_DISTANCE(c) (MAX(MIN((ULONG)abs(RANK(c) - 7), RANK(c)),\
+ MIN((ULONG)abs(FILE(c) - 7), FILE(c))))
+#define IN_CORNER(c) (((c) == A8) || \
+ ((c) == A1) || \
+ ((c) == H8) || \
+ ((c) == H1))
+#define WHITE_CORNER_DISTANCE(c) (MIN(DISTANCE((c), A8), \
+ DISTANCE((c), H1)))
+#define BLACK_CORNER_DISTANCE(c) (MIN(DISTANCE((c), H8), \
+ DISTANCE((c), A1)))
+#define SYM_SQ(c) ((7 - (((c) & 0xF0) >> 4)) << 4) \
+ | (7 - ((c) & 0x0F))
+#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a[0])))
+#define MAKE_PSQT(a, b, c, d) (((a) << 24) | ((b) << 16) | \
+ ((c) << 8) | (d))
+#define TO64(x) ((x) & 0x7) + ((0x7 - ((x)>>4)) << 3)
+#define COOR_TO_BIT_NUMBER(c) (((((c) & 0x70) >> 1) | ((c) & 0x7)))
+#define SLOWCOOR_TO_BB(c) (1ULL << COOR_TO_BIT_NUMBER(c))
+#define COOR_TO_BB(c) (BBSQUARE[COOR_TO_BIT_NUMBER(c)])
+#define SLOW_BIT_NUMBER_TO_COOR(b) ((((b) / 8) << 4) + ((b) & 7))
+#define BIT_NUMBER_TO_COOR(b) ((((b) & 0xF8) << 1) | ((b) & 7))
+
+#define BBRANK88 \
+ SLOWCOOR_TO_BB(A8) | SLOWCOOR_TO_BB(B8) | SLOWCOOR_TO_BB(C8) | \
+ SLOWCOOR_TO_BB(D8) | SLOWCOOR_TO_BB(E8) | SLOWCOOR_TO_BB(F8) | \
+ SLOWCOOR_TO_BB(G8) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK77 \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(C7) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(F7) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(H7)
+
+#define BBRANK66 \
+ SLOWCOOR_TO_BB(A6) | SLOWCOOR_TO_BB(B6) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(D6) | SLOWCOOR_TO_BB(E6) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(G6) | SLOWCOOR_TO_BB(H6)
+
+#define BBRANK55 \
+ SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(C5) | \
+ SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(F5) | \
+ SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(H5)
+
+#define BBRANK44 \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(C4) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(F4) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(H4)
+
+#define BBRANK33 \
+ SLOWCOOR_TO_BB(A3) | SLOWCOOR_TO_BB(B3) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(D3) | SLOWCOOR_TO_BB(E3) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(G3) | SLOWCOOR_TO_BB(H3)
+
+#define BBRANK22 \
+ SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(C2) | \
+ SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(F2) | \
+ SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(H2)
+
+#define BBRANK11 \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(C1) | \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(F1) | \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(H1)
+
+#define BBFILEA \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(A3) | \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(A6) | \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(A8)
+
+#define BBFILEB \
+ SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(B3) | \
+ SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(B6) | \
+ SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(B8)
+
+#define BBFILEC \
+ SLOWCOOR_TO_BB(C1) | SLOWCOOR_TO_BB(C2) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(C4) | SLOWCOOR_TO_BB(C5) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(C7) | SLOWCOOR_TO_BB(C8)
+
+#define BBFILED \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(D3) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(D6) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(D8)
+
+#define BBFILEE \
+ SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(E3) | \
+ SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(E6) | \
+ SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(E8)
+
+#define BBFILEF \
+ SLOWCOOR_TO_BB(F1) | SLOWCOOR_TO_BB(F2) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(F4) | SLOWCOOR_TO_BB(F5) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(F7) | SLOWCOOR_TO_BB(F8)
+
+#define BBFILEG \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(G3) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(G6) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(G8)
+
+#define BBFILEH \
+ SLOWCOOR_TO_BB(H1) | SLOWCOOR_TO_BB(H2) | SLOWCOOR_TO_BB(H3) | \
+ SLOWCOOR_TO_BB(H4) | SLOWCOOR_TO_BB(H5) | SLOWCOOR_TO_BB(H6) | \
+ SLOWCOOR_TO_BB(H7) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK72 \
+ BBRANK77 | BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK62 \
+ BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK52 \
+ BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK42 \
+ BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK32 \
+ BBRANK33 | BBRANK22
+
+#define BBRANK27 \
+ BBRANK22 | BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK37 \
+ BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK47 \
+ BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK57 \
+ BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK67 \
+ BBRANK66 | BBRANK77
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+//
+// util.c
+//
+COMMAND(LearnPsqtFromPgn);
+
+COMMAND(GeneratePositionAndBestMoveSuite);
+
+CHAR *
+WalkPV(SEARCHER_THREAD_CONTEXT *ctx);
+
+CHAR *
+ReadNextGameFromPgnFile(FILE *pf);
+
+COOR
+DistanceBetweenSquares(COOR a, COOR b);
+
+void CDECL
+Trace(CHAR *szMessage, ...);
+
+void CDECL
+Log(CHAR *szMessage, ...);
+
+void CDECL
+Bug(CHAR *szMessage, ...);
+
+char *
+FindChunk(char *sz, ULONG uTargetChunk);
+
+FLAG
+BufferIsZeroed(BYTE *p, ULONG u);
+
+char *
+ColorToString(ULONG u);
+
+char *
+CoorToString(COOR c);
+
+char *
+ScoreToString(SCORE iScore);
+
+char *
+TimeToString(double d);
+
+ULONG
+AcquireSpinLock(volatile ULONG *pSpinlock);
+
+FLAG
+TryAcquireSpinLock(volatile ULONG *pSpinlock);
+
+void
+ReleaseSpinLock(volatile ULONG *pSpinLock);
+
+BYTE
+Checksum(BYTE *p, ULONG uSize);
+
+FLAG
+BackupFile(CHAR *szFile);
+
+void
+UtilPrintPV(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv);
+
+#define CANNOT_INITIALIZE_SPLIT (1)
+#define INCONSISTENT_POSITION (2)
+#define UNEXPECTED_SYSTEM_CALL_FAILURE (3)
+#define SHOULD_NOT_GET_HERE (4)
+#define GOT_ILLEGAL_MOVE_WHILE_PONDERING (5)
+#define CANNOT_OFFICIALLY_MAKE_MOVE (6)
+#define DETECTED_INCORRECT_INITIALIZATION (7)
+#define INCONSISTENT_STATE (8)
+#define FATAL_ACCESS_DENIED (9)
+#define TESTCASE_FAILURE (10)
+#define INITIALIZATION_FAILURE (11)
+
+void
+UtilPanic(ULONG uPanicCode,
+ POSITION *pos,
+ void *a1,
+ void *a2,
+ void *a3,
+ char *file, ULONG line);
+
+
+//
+// main.c
+//
+#define LOGFILE_NAME "typhoon.log"
+extern FILE *g_pfLogfile;
+
+void
+Banner(void);
+
+FLAG
+PreGameReset(FLAG fResetBoard);
+
+//
+// system dependent exports (see win32.c or fbsd.c)
+//
+typedef ULONG (THREAD_ENTRYPOINT)(ULONG);
+
+#ifdef DEBUG
+ULONG
+GetHeapMemoryUsage(void);
+#endif
+
+void
+SystemDebugBreakpoint(void);
+
+CHAR *
+SystemStrDup(CHAR *p);
+
+double
+SystemTimeStamp(void);
+
+FLAG
+SystemDoesFileExist(CHAR *szFilename);
+
+void
+SystemDeferExecution(ULONG uMs);
+
+void
+SystemFreeMemory(void *pMem);
+
+void *
+SystemAllocateMemory(ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadOnly(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryNoAccess(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadWrite(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemDependentInitialization(void);
+
+UINT64 FASTCALL
+SystemReadTimeStampCounter(void);
+
+//
+// This routine _must_ implement a full memory fence -- it is used in
+// util.c to implement spinlocks.
+//
+FLAG
+SystemCreateThread(THREAD_ENTRYPOINT *pEntry, ULONG uParam, ULONG *puHandle);
+
+FLAG
+SystemWaitForThreadToExit(ULONG uThreadHandle);
+
+FLAG
+SystemGetThreadExitCode(ULONG uThreadHandle, ULONG *puCode);
+
+FLAG
+SystemDeleteThread(ULONG uThreadHandle);
+
+CHAR *
+SystemGetDateString(void);
+
+CHAR *
+SystemGetTimeString(void);
+
+FLAG
+SystemCopyFile(CHAR *szSource, CHAR *szDest);
+
+FLAG
+SystemDeleteFile(CHAR *szFile);
+
+ULONG
+SystemCreateLock(void);
+
+FLAG
+SystemDeleteLock(ULONG u);
+
+FLAG
+SystemBlockingWaitForLock(ULONG u);
+
+FLAG
+SystemReleaseLock(ULONG u);
+
+ULONG
+SystemCreateSemaphore(ULONG u);
+
+FLAG
+SystemDeleteSemaphore(ULONG u);
+
+void
+SystemReleaseSemaphoreResource(ULONG u);
+
+void
+SystemObtainSemaphoreResource(ULONG u);
+
+
+//
+// fen.c
+//
+#define STARTING_POSITION_IN_FEN \
+ "rnbqkbnr/pppppppp/--------/8/8/--------/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
+
+FLAG
+LooksLikeFen(char *szFen);
+
+char *
+PositionToFen(POSITION *p);
+
+FLAG
+FenToPosition(POSITION *p, char *szFen);
+
+//
+// testfen.c
+//
+#ifdef TEST
+void
+TestFenCode(void);
+#endif
+
+//
+// piece.c
+//
+// INVERTED VALUE == (VALUE_QUEEN / VALUE_PIECE) * VALUE_PAWN;
+#define VALUE_PAWN 100
+#define INVERT_PAWN 900
+#define VALUE_KNIGHT 300
+#define INVERT_KNIGHT 300
+#define VALUE_BISHOP 300
+#define INVERT_BISHOP 300
+#define VALUE_ROOK 500
+#define INVERT_ROOK 180
+#define VALUE_QUEEN 975
+#define INVERT_QUEEN 100
+#define VALUE_KING (INFINITY)
+#define INVERT_KING 1
+
+#define VALUE_FULL_ARMY (8 * VALUE_PAWN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_QUEEN + VALUE_KING
+#define VALUE_MAX_ARMY (9 * VALUE_QUEEN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_KING
+
+typedef struct _PIECE_DATA
+{
+ ULONG uValue;
+ ULONG uValueOver100;
+ ULONG uInvertedValue;
+ CHAR *szName;
+} PIECE_DATA;
+
+extern PIECE_DATA g_PieceData[8];
+
+#define PIECE_VALUE_OVER_100(p) (g_PieceData[PIECE_TYPE(p)].uValueOver100)
+extern ULONG
+PieceValueOver100(PIECE p);
+
+#define PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uValue)
+extern ULONG
+PieceValue(PIECE p);
+
+#define INVERTED_PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uInvertedValue)
+extern ULONG
+PieceInvertedValue(PIECE p);
+
+CHAR *
+PieceAbbrev(PIECE p);
+
+//
+// board.c
+//
+FLAG
+VerifyPositionConsistency(POSITION *pos, FLAG fContinueOnError);
+
+FLAG
+PositionsAreEquivalent(POSITION *p1, POSITION *p2);
+
+CHAR *
+DrawTextBoardFromPosition(POSITION *pos);
+
+void
+DumpPosition(POSITION *pos);
+
+CHAR *
+CastleInfoString(BITV bv);
+
+void
+SetRootToInitialPosition(void);
+
+//
+// move.c
+//
+void
+SlidePiece(POSITION *pos, COOR cFrom, COOR cTo);
+
+PIECE
+LiftPiece(POSITION *pos, COOR cSquare);
+
+void
+PlacePiece(POSITION *pos, COOR cSquare, PIECE pPiece);
+
+FLAG
+MakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+void
+UnmakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+FLAG
+MakeUserMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mvUser);
+
+void
+DumpMove(ULONG u);
+
+//
+// movesup.c
+//
+#define MOVE_TO_INDEX(mv) (((mv).uMove & 0xFFFF) + \
+ (0x10000 * GET_COLOR(mv.pMoved)))
+
+COOR
+FasterExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheckEp(POSITION *pos,
+ COOR cTest,
+ COOR cIgnore,
+ COOR cBlock,
+ COOR cKing);
+
+FLAG
+IsAttacked(COOR cTest, POSITION *pos, ULONG uSide);
+
+FLAG
+InCheck(POSITION *pos, ULONG uSide);
+
+FLAG
+SanityCheckMove(POSITION *pos, MOVE mv);
+
+FLAG
+LooksLikeFile(CHAR c);
+
+FLAG
+LooksLikeRank(CHAR c);
+
+FLAG
+LooksLikeCoor(CHAR *szData);
+
+CHAR *
+StripMove(CHAR *szMove);
+
+ULONG
+LooksLikeMove(CHAR *szData);
+
+void FASTCALL
+SelectBestWithHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectBestNoHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectMoveAtRoot(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+#define NOT_MOVE 0
+#define MOVE_ICS 1
+#define MOVE_SAN 2
+
+COMMAND(PerftCommand);
+
+
+//
+// testmove.c
+//
+#ifdef TEST
+void
+TestLiftPlaceSlidePiece(void);
+
+void
+TestExposesCheck(void);
+
+void
+TestIsAttacked(void);
+
+void
+TestMakeUnmakeMove(void);
+#endif
+
+//
+// generate.c
+//
+#define SORT_THESE_FIRST (0x40000000)
+#define FIRST_KILLER (0x20000000)
+#define SECOND_KILLER (0x10000000)
+#define THIRD_KILLER (0x08000000)
+#define FOURTH_KILLER (0x04000000)
+#define GOOD_MOVE (0x02000000)
+#define STRIP_OFF_FLAGS (0x00FFFFFF)
+
+extern const int g_iQKDeltas[9];
+extern const int g_iNDeltas[9];
+extern const int g_iBDeltas[5];
+extern const int g_iRDeltas[5];
+
+void
+GenerateMoves(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mvOrderFirst,
+ ULONG uType);
+
+FLAG
+WouldGiveCheck(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv);
+
+//
+// testgenerate.c
+//
+#ifdef TEST
+
+void
+PlyTest(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fRootPositionInCheck);
+
+void
+TestMoveGenerator(void);
+
+void
+TestLegalMoveGenerator(void);
+
+#endif
+
+//
+// sig.c
+//
+extern UINT64 g_u64SigSeeds[128][7][2];
+extern UINT64 g_u64PawnSigSeeds[128][2];
+extern UINT64 g_u64CastleSigSeeds[16];
+extern UINT64 g_u64EpSigSeeds[9];
+
+void
+InitializeSigSystem(void);
+
+UINT64
+ComputePawnSig(POSITION *pos);
+
+UINT64
+ComputeSig(POSITION *pos);
+
+//
+// mersenne.c
+//
+void
+seedMT(unsigned int seed);
+
+unsigned int
+reloadMT(void);
+
+unsigned int
+randomMT(void);
+
+//
+// data.c
+//
+typedef struct _VECTOR_DELTA
+{
+ UCHAR iVector[2];
+ signed char iDelta;
+ signed char iNegDelta;
+}
+VECTOR_DELTA;
+
+extern ULONG g_uDistance[256];
+extern ULONG *g_pDistance;
+extern VECTOR_DELTA g_VectorDelta[256];
+extern VECTOR_DELTA *g_pVectorDelta;
+extern CHAR g_SwapTable[14][32][32];
+extern SCORE _PSQT[14][128];
+extern ULONG g_uSearchSortLimits[];
+extern MOVE NULLMOVE;
+extern MOVE HASHMOVE;
+extern MOVE RECOGNMOVE;
+extern MOVE DRAWMOVE;
+extern MOVE MATEMOVE;
+extern FLAG g_fIsWhiteSquare[128];
+extern BITBOARD BBFILE[8];
+extern BITBOARD BBRANK[9];
+extern BITBOARD BBWHITESQ;
+extern BITBOARD BBBLACKSQ;
+extern BITBOARD BBLEFTSIDE;
+extern BITBOARD BBRIGHTSIDE;
+extern BITBOARD BBSQUARE[64];
+extern BITBOARD BBROOK_PAWNS;
+extern BITBOARD BBPRECEEDING_RANKS[8][2];
+extern BITBOARD BBADJACENT_FILES[8];
+extern BITBOARD BBADJACENT_RANKS[9];
+
+void
+InitializeWhiteSquaresTable(void);
+
+void
+InitializeVectorDeltaTable(void);
+
+void
+InitializeSwapTable(void);
+
+void
+InitializeDistanceTable(void);
+
+void
+InitializeSearchDepthArray(void);
+
+ULONG
+GetSearchSortLimit(ULONG);
+
+#ifdef DEBUG
+#define SEARCH_SORT_LIMIT(x) (GetSearchSortLimit((x)))
+#else
+#define SEARCH_SORT_LIMIT(x) (g_uSearchSortLimits[(x)])
+#endif
+
+#ifdef DEBUG
+ULONG CheckVectorWithIndex(int i, ULONG uColor);
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ CheckVectorWithIndex(i, color)
+
+int DirectionBetweenSquaresWithIndex(int i);
+#define CHECK_DELTA_WITH_INDEX(i) \
+ DirectionBetweenSquaresWithIndex(i)
+
+int DirectionBetweenSquaresFromTo(COOR, COOR);
+#define DIRECTION_BETWEEN_SQUARES(from, to) \
+ DirectionBetweenSquaresFromTo(from, to)
+
+int NegativeDirectionBetweenSquaresWithIndex(int i);
+#define NEG_DELTA_WITH_INDEX(i) \
+ NegativeDirectionBetweenSquaresWithIndex(i)
+
+FLAG IsSquareWhite(COOR c);
+#define IS_SQUARE_WHITE(c) \
+ IsSquareWhite(c)
+
+#else
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ (g_pVectorDelta[(i)].iVector[(color)])
+
+#define CHECK_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iDelta)
+
+#define DIRECTION_BETWEEN_SQUARES(cFrom, cTo) \
+ CHECK_DELTA_WITH_INDEX((int)(cFrom) - (int)(cTo))
+
+#define NEG_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iNegDelta)
+
+#define IS_SQUARE_WHITE(c) \
+ (g_fIsWhiteSquare[(c)])
+#endif
+
+//
+// san.c
+//
+MOVE
+ParseMoveSan(CHAR *szInput,
+ POSITION *pos);
+
+CHAR *
+MoveToSan(MOVE mv, POSITION *pos);
+
+//
+// testsan.c
+//
+void
+TestSan(void);
+
+//
+// list.c
+//
+void
+InitializeListHead(IN DLIST_ENTRY *pListHead);
+
+FLAG
+IsListEmpty(IN DLIST_ENTRY *pListHead);
+
+FLAG
+RemoveEntryList(IN DLIST_ENTRY *pEntry);
+
+DLIST_ENTRY *
+RemoveHeadList(IN DLIST_ENTRY *pListHead);
+
+DLIST_ENTRY *
+RemoveTailList(IN DLIST_ENTRY *pListHead);
+
+void
+InsertTailList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+void
+InsertHeadList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+//
+// command.c
+//
+void
+ParseUserInput(FLAG fSearching);
+
+FLAG
+InitializeCommandSystem(void);
+
+void
+CleanupCommandSystem(void);
+
+//
+// input.c
+//
+void
+InitInputSystemInBatchMode(void);
+
+ULONG
+InitInputSystemWithDedicatedThread(void);
+
+void
+PushNewInput(CHAR *buf);
+
+CHAR *
+PeekNextInput(void);
+
+CHAR *
+ReadNextInput(void);
+
+CHAR *
+BlockingReadInput(void);
+
+ULONG
+NumberOfPendingInputEvents(void);
+
+volatile extern FLAG g_fExitProgram;
+
+//
+// ics.c
+//
+MOVE
+ParseMoveIcs(CHAR *szInput, POSITION *pos);
+
+CHAR *
+MoveToIcs(MOVE mv);
+
+//
+// testics.c
+//
+void
+TestIcs(void);
+
+//
+// gamelist.c
+//
+typedef enum _ERESULT
+{
+ RESULT_BLACK_WON = -1,
+ RESULT_DRAW = 0,
+ RESULT_WHITE_WON = 1,
+ RESULT_IN_PROGRESS,
+ RESULT_ABANDONED,
+ RESULT_UNKNOWN
+} ERESULT;
+
+typedef struct _GAME_RESULT
+{
+ ERESULT eResult;
+ CHAR szDescription[256];
+} GAME_RESULT;
+
+typedef struct _GAME_PLAYER
+{
+ CHAR *szName;
+ CHAR *szDescription;
+ FLAG fIsComputer;
+ ULONG uRating;
+}
+GAME_PLAYER;
+
+typedef struct _GAME_HEADER
+{
+ CHAR *szGameDescription;
+ CHAR *szLocation;
+ GAME_PLAYER sPlayer[2];
+ FLAG fGameIsRated;
+ UINT64 u64OpeningSig;
+ ERESULT eResult;
+ CHAR *szResultComment;
+ CHAR *szInitialFen;
+}
+GAME_HEADER;
+
+typedef struct _GAME_MOVE
+{
+ DLIST_ENTRY links;
+ ULONG uNumber;
+ MOVE mv;
+ CHAR *szComment;
+ CHAR *szDecoration;
+ CHAR *szMoveInSan;
+ CHAR *szMoveInIcs;
+ CHAR *szUndoPositionFen;
+ SCORE iMoveScore;
+ UINT64 u64PositionSigAfterMove;
+ UINT64 u64PositionSigBeforeMove;
+ volatile FLAG fInUse;
+}
+GAME_MOVE;
+
+typedef struct _GAME_DATA
+{
+ GAME_HEADER sHeader;
+ DLIST_ENTRY sMoveList;
+}
+GAME_DATA;
+
+extern GAME_DATA g_GameData;
+
+POSITION *
+GetRootPosition(void);
+
+FLAG
+SetRootPosition(CHAR *szFen);
+
+void
+ResetGameList(void);
+
+ULONG
+GetMoveNumber(ULONG uColor);
+
+void
+SetGameResultAndDescription(ERESULT r, CHAR *sz);
+
+INT
+GetGameResult(void);
+
+void
+SetMyName(void);
+
+void
+SetOpponentsName(CHAR *sz);
+
+void
+SetMyRating(ULONG u);
+
+void
+SetOpponentsRating(ULONG u);
+
+void
+DumpGameList(void);
+
+void
+TellGamelistThatIPlayColor(ULONG u);
+
+void
+DumpPgn(void);
+
+FLAG
+LoadPgn(CHAR *szPgn);
+
+ULONG
+CountOccurrancesOfSigInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+DoesSigAppearInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+OfficiallyTakebackMove(void);
+
+FLAG
+OfficiallyMakeMove(MOVE mv, SCORE iMoveScore, FLAG fFast);
+
+GAME_MOVE *
+GetNthOfficialMoveRecord(ULONG n);
+
+void
+MakeStatusLine(void);
+
+FLAG
+IsLegalDrawByRepetition(void);
+
+//
+// script.c
+//
+COMMAND(ScriptCommand);
+
+COMMAND(SolutionCommand);
+
+COMMAND(AvoidCommand);
+
+COMMAND(IdCommand);
+
+void
+PostMoveTestSuiteReport(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+CheckTestSuiteMove(MOVE mv, SCORE iScore, ULONG uDepth);
+
+FLAG
+WeAreRunningASuite(void);
+
+
+//
+// vars.c
+//
+COMMAND(SetCommand);
+
+//
+// root.c
+//
+extern ULONG g_uSoftExtendLimit;
+extern ULONG g_uHardExtendLimit;
+extern volatile MOVE_TIMER g_MoveTimer;
+extern ULONG g_uExtensionReduction[MAX_PLY_PER_SEARCH];
+
+#ifdef PERF_COUNTERS
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x) \
+ ctx->sCounters.tree.u64BetaCutoffs++; \
+ if (x) \
+ { \
+ ctx->sCounters.tree.u64BetaCutoffsOnFirstMove++;\
+ }
+#else
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x)
+#endif
+
+#define GAME_NOT_OVER 0
+#define GAME_WHITE_WON 1
+#define GAME_BLACK_WON 2
+#define GAME_DRAW_STALEMATE 3
+#define GAME_DRAW_REPETITION 4
+#define GAME_ONE_LEGAL_MOVE 5
+#define GAME_DRAW_FIFTY_MOVES_WO_PROGRESS 6
+
+GAME_RESULT
+Think(POSITION *pos);
+
+GAME_RESULT
+Ponder(POSITION *pos);
+
+GAME_RESULT
+Iterate(SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+SetMoveTimerForSearch(FLAG fSwitchOver, ULONG uColor);
+
+void
+SetMoveTimerToThinkForever(void);
+
+void
+ClearRootNodecountHash(void);
+
+//
+// draw.c
+//
+FLAG
+IsDraw(SEARCHER_THREAD_CONTEXT *ctx);
+
+
+//
+// search.c
+//
+#define QPLIES_OF_NON_CAPTURE_CHECKS (1)
+#define FUTILITY_BASE_MARGIN (50) // + ctx->uPositional (min 100)
+#define DO_IID
+#define IID_R_FACTOR (TWO_PLY + HALF_PLY)
+
+#ifndef MP
+#define WE_SHOULD_STOP_SEARCHING (g_MoveTimer.bvFlags & TIMER_STOPPING)
+#else
+#define WE_SHOULD_STOP_SEARCHING ((g_MoveTimer.bvFlags & TIMER_STOPPING) || \
+ (ThreadUnderTerminatingSplit(ctx)))
+#endif
+
+SCORE FASTCALL
+QSearch(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+SCORE FASTCALL
+Search(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth);
+
+
+//
+// searchsup.c
+//
+SCORE
+ComputeMoveScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv,
+ IN ULONG uMoveNum);
+
+FLAG
+ThreadUnderTerminatingSplit(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+WeShouldDoHistoryPruning(IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uRemainingDepth,
+ IN ULONG uLegalMoves,
+ IN MOVE mv,
+ IN ULONG uMoveNum,
+ IN INT iExtend);
+
+FLAG
+WeShouldTryNullmovePruning(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SCORE iRoughEval,
+ IN ULONG uNullDepth);
+
+FLAG
+TryNullmovePruning(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT FLAG *pfThreat,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uNullDepth,
+ IN OUT INT *piOrigExtend,
+ OUT SCORE *piNullScore);
+
+void
+UpdatePV(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv);
+
+FLAG
+CheckInputAndTimers(IN SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ComputeReactionToCheckExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uGenFlags,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN OUT INT *piExtend,
+ IN OUT INT *piOrigExtend);
+
+void
+ComputeMoveExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN ULONG uDepth,
+ IN OUT INT *piExtend);
+
+SCORE
+RescoreMovesViaSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uDepth,
+ IN SCORE iAlpha,
+ IN SCORE iBeta);
+
+FLAG
+MateDistancePruningCutoff(IN ULONG uPly,
+ IN FLAG fInCheck,
+ IN OUT SCORE *piBestScore,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta);
+
+FLAG
+CommonSearchInit(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta,
+ IN OUT SCORE *piScore);
+
+ULONG
+SelectNullmoveRFactor(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN INT uDepth);
+
+#define VERIFY_BEFORE (1)
+#define VERIFY_AFTER (2)
+
+FLAG
+SanityCheckMoves(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uCurrent,
+ IN ULONG uType);
+
+
+//
+// testsearch.c
+//
+FLAG
+TestSearch(void);
+
+//
+// see.c
+//
+#define SEE_HEAPS
+
+SCORE
+SEE(POSITION *pos,
+ MOVE mv);
+
+typedef struct _SEE_THREESOME
+{
+ PIECE pPiece;
+ COOR cLoc;
+ ULONG uVal;
+} SEE_THREESOME;
+
+typedef struct _SEE_LIST
+{
+ ULONG uCount;
+ SEE_THREESOME data[16];
+}
+SEE_LIST;
+
+SCORE
+ControlsSquareMinusPiece(ULONG uSide,
+ POSITION *pos,
+ COOR c,
+ COOR cIgnore);
+
+//
+// testsee.c
+//
+SCORE
+DebugSEE(POSITION *pos,
+ MOVE mv);
+
+void
+TestGetAttacks(void);
+
+//
+// hash.c
+//
+#define NUM_HASH_ENTRIES_PER_LINE 4
+#define HASH_FLAG_EXACT 0x1
+#define HASH_FLAG_LOWER 0x2
+#define HASH_FLAG_UPPER 0x4
+#define HASH_FLAG_VALID_BOUNDS 0x7
+#define HASH_FLAG_THREAT 0x8
+#define HASH_FLAG_DIRTY 0xF0
+
+typedef struct _HASH_ENTRY
+{
+ MOVE mv; // 0 1 2 3
+ UCHAR uDepth; // 4
+ UCHAR bvFlags; // 5 ==> d d d d | thr up low exact
+ signed short iValue; // 6 7
+ UINT64 u64Sig; // 8 9 A B C D E F == 16 bytes
+} HASH_ENTRY;
+
+FLAG
+InitializeHashSystem(void);
+
+void
+CleanupHashSystem(void);
+
+void
+ClearHashTable(void);
+
+void
+DirtyHashTable(void);
+
+void
+StoreLowerBound(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+void
+StoreExactScore(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat,
+ ULONG uPly);
+
+void
+StoreUpperBound(//MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+
+HASH_ENTRY *
+HashLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ ULONG uNextDepth,
+ SCORE iAlpha,
+ SCORE iBeta,
+ FLAG *pfThreat,
+ FLAG *pfAvoidNull,
+ MOVE *pHashMove,
+ SCORE *piScore);
+
+COOR
+CheckHashForDangerSquare(POSITION *pos);
+
+MOVE
+GetPonderMove(POSITION *pos);
+
+extern ULONG g_uHashTableSizeEntries;
+extern ULONG g_uHashTableSizeBytes;
+extern HASH_ENTRY *g_pHashTable;
+
+//
+// testhash.c
+//
+void
+AnalyzeFullHashTable(void);
+
+//
+// positionhash.c
+//
+// IDEA: store "mate threat" flag in here?
+// IDEA: store "king safety" numbers in here?
+//
+typedef struct _POSITION_HASH_ENTRY {
+ UINT64 u64Sig;
+ UCHAR cEnprise[2];
+ UCHAR uEnpriseCount[2];
+ UCHAR cTrapped[2];
+} POSITION_HASH_ENTRY;
+
+void
+InitializePositionHashSystem(void);
+
+void
+CleanupPositionHashSystem(void);
+
+void
+StoreEnprisePiece(POSITION *pos, COOR cSquare);
+
+void
+StoreTrappedPiece(POSITION *pos, COOR cSquare);
+
+COOR
+GetEnprisePiece(POSITION *pos, ULONG uSide);
+
+ULONG
+GetEnpriseCount(POSITION *pos, ULONG uSide);
+
+COOR
+GetTrappedPiece(POSITION *pos, ULONG uSide);
+
+FLAG
+SideCanStandPat(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleDespiteMove(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleAfterNull(POSITION *pos, ULONG uSide);
+
+//
+// pawnhash.c
+//
+#define COOR_TO_BIT(x) ((x) & 0x7) + ((0x7 - ((x) >> 4)) << 3)
+
+void
+ClearPawnHashStats(void);
+
+void
+ReportPawnHashStats(void);
+
+PAWN_HASH_ENTRY *
+PawnHashLookup(SEARCHER_THREAD_CONTEXT *ctx);
+
+//
+// eval.c
+//
+#define LAZY_EVAL
+#define LAZE_EVAL_BASE_SCORE 10
+extern const int g_iAhead[2];
+extern const int g_iBehind[2];
+
+ULONG
+DNABufferSizeBytes();
+
+char *
+ExportEvalDNA();
+
+FLAG
+WriteEvalDNA(char *szFilename);
+
+FLAG
+ImportEvalDNA(char *p);
+
+FLAG
+ReadEvalDNA(char *szFilename);
+
+
+
+SCORE
+Eval(SEARCHER_THREAD_CONTEXT *, SCORE, SCORE);
+
+FLAG
+EvalPasserRaces(POSITION *,
+ PAWN_HASH_ENTRY *);
+
+ULONG
+CountKingSafetyDefects(POSITION *pos,
+ ULONG uSide);
+
+//
+// testeval.c
+//
+#ifdef EVAL_DUMP
+void
+TestEval(void);
+
+void
+EvalTraceReport(void);
+
+void
+EvalTrace(ULONG uColor, PIECE p, COOR c, SCORE iVal, CHAR *szMessage);
+
+SCORE
+EvalSigmaForPiece(POSITION *pos, COOR c);
+
+void
+EvalTraceClear(void);
+
+void
+TestEvalWithSymmetry(void);
+
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ); \
+ EvalTrace((COL), (PIE), (COO), (ADJ), (MESS));
+#else
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ);
+#endif
+
+//
+// bitboard.c
+//
+void
+InitializeBitboards(void);
+
+ULONG CDECL
+SlowCountBits(BITBOARD bb);
+
+ULONG CDECL
+DeBruijnFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowLastBit(BITBOARD bb);
+
+#ifdef CROUTINES
+#define CountBits SlowCountBits
+#define FirstBit SlowFirstBit
+#define LastBit SlowLastBit
+#endif
+
+COOR
+CoorFromBitBoardRank8ToRank1(BITBOARD *pbb);
+
+COOR
+CoorFromBitBoardRank1ToRank8(BITBOARD *pbb);
+
+//
+// x86.asm
+//
+ULONG CDECL
+CountBits(BITBOARD bb);
+
+ULONG CDECL
+FirstBit(BITBOARD bb);
+
+ULONG CDECL
+LastBit(BITBOARD bb);
+
+ULONG CDECL
+LockCompareExchange(volatile void *pDest,
+ ULONG uExch,
+ ULONG uComp);
+
+ULONG CDECL
+LockIncrement(volatile void *pDest);
+
+ULONG CDECL
+LockDecrement(volatile void *pDest);
+
+FLAG CDECL
+CanUseParallelOpcodes();
+
+ULONG CDECL
+ParallelCompareUlong(ULONG uComparand, void *pComparators);
+
+ULONG CDECL
+ParallelCompareVector(void *pComparand, void *pComparators);
+
+void CDECL
+GetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+
+void CDECL
+SlowGetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+#ifdef CROUTINES
+#define GetAttacks SlowGetAttacks
+#endif
+
+#ifdef _X86_
+//
+// Note: this is most of the stuff that x86.asm assumes about the
+// internal data structures. If any of this fails then either the
+// assembly language code needs to be updated or you need to use the C
+// version of the routine in see.c instead.
+//
+#define ASSERT_ASM_ASSUMPTIONS \
+ ASSERT(VALUE_PAWN == 100); \
+ ASSERT(OFFSET_OF(uCount, SEE_LIST) == 0); \
+ ASSERT(OFFSET_OF(data, SEE_LIST) == 4); \
+ ASSERT(sizeof(SEE_THREESOME) == 12); \
+ ASSERT(OFFSET_OF(pPiece, SEE_THREESOME) == 0); \
+ ASSERT(OFFSET_OF(cLoc, SEE_THREESOME) == 4); \
+ ASSERT(OFFSET_OF(uVal, SEE_THREESOME) == 8); \
+ ASSERT(OFFSET_OF(cNonPawns, POSITION) == 0x478); \
+ ASSERT(OFFSET_OF(uNonPawnCount, POSITION) == 0x500); \
+ ASSERT(OFFSET_OF(rgSquare, POSITION) == 0); \
+ ASSERT(sizeof(SQUARE) == 8); \
+ ASSERT(sizeof(VECTOR_DELTA) == 4); \
+ ASSERT(sizeof(g_VectorDelta) == 256 * 4); \
+ ASSERT(OFFSET_OF(iVector, VECTOR_DELTA) == 0); \
+ ASSERT(OFFSET_OF(iDelta, VECTOR_DELTA) == 2); \
+ ASSERT(OFFSET_OF(iNegDelta, VECTOR_DELTA) == 3); \
+ ASSERT(sizeof(g_PieceData) == 8 * 4 * 4); \
+ ASSERT(OFFSET_OF(uValue, PIECE_DATA) == 0);
+#else
+#define ASSERT_ASM_ASSUMPTIONS
+#endif
+
+//
+// testbitboard.c
+//
+void
+TestBitboards(void);
+
+//
+// dynamic.c
+//
+extern ULONG g_HistoryCounters[14][128];
+
+ULONG
+GetMoveFailHighPercentage(MOVE mv);
+
+void
+UpdateDynamicMoveOrdering(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uRemainingDepth,
+ MOVE mvBest,
+ SCORE iScore,
+ ULONG uCurrent);
+
+void
+NewKillerMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv, SCORE iScore);
+
+FLAG
+InitializeDynamicMoveOrdering(void);
+
+void
+CleanupDynamicMoveOrdering(void);
+
+void
+ClearDynamicMoveOrdering(void);
+
+void
+MaintainDynamicMoveOrdering(void);
+
+void
+IncrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+void
+DecrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+//
+// split.c
+//
+extern volatile ULONG g_uNumHelpersAvailable;
+extern ULONG g_uNumHelperThreads;
+
+FLAG
+InitializeParallelSearch(void);
+
+FLAG
+CleanupParallelSearch(void);
+
+void
+ClearHelperThreadIdleness(void);
+
+void
+DumpHelperIdlenessReport(void);
+
+SCORE
+StartParallelSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN SCORE iBeta,
+ IN OUT SCORE *piBestScore,
+ IN OUT MOVE *pmvBest,
+ IN ULONG uMoveNum,
+ IN INT iPositionExtend,
+ IN ULONG uDepth);
+
+void
+InitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ReInitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+InitializeLightweightSearcherContext(POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx);
+
+//
+// book.c
+//
+
+#define BOOK_PROBE_MISS_LIMIT (7)
+#define FLAG_DISABLED (1)
+#define FLAG_ALWAYSPLAY (2)
+#define FLAG_DELETED (4)
+
+#define BOOKMOVE_SELECT_MOVE (1)
+#define BOOKMOVE_DUMP (2)
+
+#pragma pack(4)
+typedef struct _BOOK_ENTRY
+{
+ UINT64 u64Sig; // 8 bytes
+ UINT64 u64NextSig; // 8 bytes
+ MOVE mvNext; // 4 bytes
+ ULONG uWins; // 4 bytes
+ ULONG uDraws; // 4 bytes
+ ULONG uLosses; // 4 bytes
+ BITV bvFlags; // 4 bytes
+}
+BOOK_ENTRY;
+#pragma pack()
+
+typedef struct _OPENING_NAME_MAPPING
+{
+ UINT64 u64Sig;
+ CHAR *szString;
+}
+OPENING_NAME_MAPPING;
+
+#define BOOK_EDITING_RECORD "bkedit.edt"
+#define OPENING_LEARNING_FILENAME "bklearn.bin"
+
+typedef struct _OPENING_LEARNING_ENTRY
+{
+ UINT64 u64Sig;
+ ULONG uWhiteWins;
+ ULONG uDraws;
+ ULONG uBlackWins;
+}
+OPENING_LEARNING_ENTRY;
+
+FLAG
+InitializeOpeningBook(void);
+
+void
+ResetOpeningBook(void);
+
+void
+CleanupOpeningBook(void);
+
+MOVE
+BookMove(POSITION *pos,
+ BITV bvFlags);
+
+COMMAND(BookCommand);
+
+extern ULONG g_uBookProbeFailures;
+extern FLAG g_fTournamentMode;
+extern CHAR *g_szBookName;
+
+//
+// bench.c
+//
+COMMAND(BenchCommand);
+
+//
+// testdraw.c
+//
+void
+TestDraw(void);
+
+//
+// probe.c
+//
+FLAG
+ProbeEGTB(SEARCHER_THREAD_CONTEXT *ctx, SCORE *score);
+
+void
+InitializeEGTB(void);
+
+void
+CleanupEGTB(void);
+
+//
+// dumptree.c
+//
+#ifdef DUMP_TREE
+
+void
+InitializeTreeDump(void);
+
+void
+CleanupTreeDump(void);
+
+void
+DTEnterNode(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fIsQNode,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+void
+DTLeaveNode(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fQNode,
+ SCORE iBestScore,
+ MOVE mvBestMove);
+
+void CDECL
+DTTrace(ULONG uPly, CHAR *szMessage, ...);
+
+#define DTTRACE(...) DTTrace(ctx->uPly, __VA_ARGS__)
+
+#else
+
+#define DTTRACE(...)
+
+#define DTEnterNode(...)
+
+#define DTLeaveNode(...)
+
+#define InitializeTreeDump(...)
+
+#define CleanupTreeDump(...)
+
+#endif
+
+//
+// testsup.c
+//
+FLAG
+IsBoardLegal(POSITION *pos);
+
+void
+GenerateRandomLegalPosition(POSITION *pos);
+
+void
+GenerateRandomLegalSymetricPosition(POSITION *pos);
+
+//
+// recogn.c
+//
+#define UNRECOGNIZED (0)
+#define RECOGN_EXACT (1)
+#define RECOGN_UPPER (2)
+#define RECOGN_LOWER (3)
+#define RECOGN_EGTB (4)
+
+void
+InitializeInteriorNodeRecognizers(void);
+
+ULONG
+RecognLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE *piScore,
+ FLAG fProbeEGTB);
+
+#ifdef EVAL_HASH
+void
+ClearEvalHashStats(void);
+
+void
+ReportEvalHashStats(void);
+
+SCORE
+ProbeEvalHash(SEARCHER_THREAD_CONTEXT *ctx);
+
+SCORE
+GetRoughEvalScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN FLAG fUseHash);
+
+void
+StoreEvalHash(SEARCHER_THREAD_CONTEXT *ctx, SCORE iScore);
+#endif // EVAL_HASH
+
+#endif // CHESS
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ main.c
+
+Abstract:
+
+ Program entry point and setup code.
+
+Author:
+
+
+Revision History:
+
+ $Id: main.c 351 2008-06-28 04:21:53Z scott $
+
+**/
+
+#include "chess.h"
+
+FILE *g_pfLogfile = NULL;
+GAME_OPTIONS g_Options;
+CHAR g_szInitialCommand[SMALL_STRING_LEN_CHAR];
+ULONG g_uInputThreadHandle = (ULONG)-1;
+
+void
+Banner(void)
+/**
+
+Routine description:
+
+ Describe the compile/build options and program version.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ char *p;
+
+ Trace("Typhoon %s (built on %s %s):\n", VERSION, __DATE__, __TIME__);
+ Trace(" " REVISION);
+ Trace(" " COMPILER_STRING);
+ Trace(" Make profile used: %s\n", PROFILE);
+#ifdef MP
+ Trace(" Multiprocessor enabled; %u searcher thread%s\n",
+ g_Options.uNumProcessors, (g_Options.uNumProcessors > 1) ? "s" : "");
+#else
+ Trace(" Single processor version\n");
+#endif
+#ifdef DEBUG
+ Trace(" DEBUG build\n");
+#endif
+#ifdef TEST
+ Trace(" Testcode compiled in\n");
+#endif
+#ifdef EVAL_DUMP
+ Trace(" Evaluation terms\n");
+#endif
+#ifdef EVAL_TIME
+ Trace(" Evaluation timing\n");
+#endif
+#ifdef PERF_COUNTERS
+ Trace(" Performance counters\n");
+#ifdef TEST_NULL
+ Trace(" Testing nullmove prediction algorithms\n");
+#endif
+#endif
+#ifdef DUMP_TREE
+ Trace(" Search tree dumpfile generation enabled\n");
+#endif
+ Trace(" Hash sizes: %u Mb (main), %u Mb / thread (pawn), %u Mb / thread (eval)\n",
+ (g_uHashTableSizeEntries * sizeof(HASH_ENTRY)) / MB,
+ PAWN_HASH_TABLE_SIZE * sizeof(PAWN_HASH_ENTRY) / MB,
+ EVAL_HASH_TABLE_SIZE * sizeof(EVAL_HASH_ENTRY) / MB);
+ Trace(" QCheckPlies: %u\n", QPLIES_OF_NON_CAPTURE_CHECKS);
+ Trace(" FutilityBase: %u\n", FUTILITY_BASE_MARGIN);
+ p = ExportEvalDNA();
+ Trace(" Logging Eval DNA.\n");
+ Log(p);
+ free(p);
+#ifdef DO_IID
+ Trace(" IID R-factor: %u ply\n", IID_R_FACTOR / ONE_PLY);
+#endif
+}
+
+
+void
+EndLogging(void)
+/**
+
+Routine description:
+
+ Close the main logfile.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != g_pfLogfile)
+ {
+ fflush(g_pfLogfile);
+ fflush(stdout);
+ fclose(g_pfLogfile);
+ g_pfLogfile = NULL;
+ }
+}
+
+
+FLAG
+BeginLogging(void)
+/**
+
+Routine description:
+
+ Open the main logfile.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (NULL != g_pfLogfile)
+ {
+ EndLogging();
+ }
+ ASSERT(g_pfLogfile == NULL);
+ ASSERT(strlen(g_Options.szLogfile));
+
+ //
+ // If the logfile we want to write already exists, back it up.
+ //
+ if (TRUE == SystemDoesFileExist(g_Options.szLogfile))
+ {
+ VERIFY(BackupFile(g_Options.szLogfile));
+ }
+ ASSERT(FALSE == SystemDoesFileExist(g_Options.szLogfile));
+
+ g_pfLogfile = fopen(g_Options.szLogfile, "wb+");
+ if (NULL == g_pfLogfile)
+ {
+ UtilPanic(INITIALIZATION_FAILURE,
+ (void *)"Can't open logfile",
+ (void *)&(g_Options.szLogfile),
+ (void *)"write",
+ NULL,
+ __FILE__, __LINE__);
+ }
+ return(TRUE);
+}
+
+
+FLAG
+PreGameReset(FLAG fResetBoard)
+/**
+
+Routine description:
+
+ Reset internal state between games.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (TRUE == fResetBoard)
+ {
+ SetRootToInitialPosition();
+ }
+ SetMyName();
+ ClearDynamicMoveOrdering();
+ ClearHashTable();
+ ResetOpeningBook();
+ return(TRUE);
+}
+
+
+static ULONG
+_ParseHashOption(char *p,
+ ULONG uEntrySize)
+{
+ ULONG u, v;
+ CHAR c;
+
+ if ((!STRCMPI(p, "none")) || (!STRCMPI(p, "no"))) return(0);
+ if (2 == sscanf(p, "%u%1c", &u, &c))
+ {
+ v = u;
+ switch(c)
+ {
+ case 'K':
+ case 'k':
+ u *= 1024;
+ break;
+ case 'M':
+ case 'm':
+ u *= 1024 * 1024;
+ break;
+ case 'G':
+ case 'g':
+ u *= 1024 * 1024 * 1024;
+ break;
+ default:
+ Trace("Error (unrecognized size): \"%s\"\n", p);
+ break;
+ }
+ if (u < v)
+ {
+ Trace("Error (size too large): \"%s\"\n", p);
+ u = v;
+ }
+ u /= uEntrySize;
+ }
+ else
+ {
+ u = (ULONG)atoi(p);
+ }
+
+ while(!IS_A_POWER_OF_2(u))
+ {
+ u &= (u - 1);
+ }
+ return(u);
+}
+
+
+
+void
+InitializeOptions(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Set global options to their initial state. This code also is
+ responsible for parsing the commandline in order to override the
+ default state of global options.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ void
+
+**/
+{
+ int i;
+
+ //
+ // Defaults
+ //
+ memset(&g_Options, 0, sizeof(g_Options));
+ g_szInitialCommand[0] = '\0';
+ g_Options.uMyClock = g_Options.uOpponentsClock = 600;
+ g_Options.fGameIsRated = FALSE;
+ g_Options.fOpponentIsComputer = FALSE;
+ g_Options.uSecPerMove = 0;
+ g_Options.uMaxDepth = MAX_PLY_PER_SEARCH - 1;
+ g_Options.fShouldPonder = TRUE;
+ g_Options.fPondering = g_Options.fThinking = FALSE;
+ g_Options.mvPonder.uMove = 0;
+ g_Options.fShouldPost = TRUE;
+ g_Options.fForceDrawWorthZero = FALSE;
+ g_Options.uMyIncrement = 0;
+ g_Options.uMovesPerTimePeriod = 0;
+ g_Options.szAnalyzeProgressReport[0] = '\0';
+ g_Options.fShouldAnnounceOpening = TRUE;
+ g_Options.eClock = CLOCK_NONE;
+ g_Options.eGameType = GAME_UNKNOWN;
+ g_Options.ePlayMode = FORCE_MODE;
+ g_Options.fNoInputThread = FALSE;
+ g_Options.fVerbosePosting = TRUE;
+ strcpy(g_Options.szEGTBPath, "/egtb/three;/etc/four;/egtb/five");
+ strcpy(g_Options.szLogfile, "typhoon.log");
+ strcpy(g_Options.szBookName, "book.bin");
+ g_Options.uNumHashTableEntries = 0x10000;
+ g_Options.uNumProcessors = 1;
+ g_Options.fStatusLine = TRUE;
+ g_Options.fShouldResign = FALSE;
+ g_Options.u64MaxNodeCount = 0ULL;
+
+ i = 1;
+ while(i < argc)
+ {
+#ifdef MP
+ if ((!STRCMPI(argv[i], "--cpus")) && (argc > i))
+ {
+ g_Options.uNumProcessors = (ULONG)atoi(argv[i+1]);
+ if ((g_Options.uNumProcessors == 0) ||
+ (g_Options.uNumProcessors > 64))
+ {
+ g_Options.uNumProcessors = 2;
+ }
+ i++;
+ }
+ else
+#endif
+ if ((!STRCMPI(argv[i], "--command")) && (argc > i))
+ {
+ strncpy(g_szInitialCommand,
+ argv[i+1],
+ SMALL_STRING_LEN_CHAR - 2);
+ strcat(g_szInitialCommand, "\r\n");
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--hash")) && (argc > i))
+ {
+ g_Options.uNumHashTableEntries =
+ _ParseHashOption(argv[i+1],
+ sizeof(HASH_ENTRY));
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--egtbpath")) && (argc > i))
+ {
+ g_Options.szEGTBPath[0] = '\0';
+ strncpy(g_Options.szEGTBPath, argv[i+1], SMALL_STRING_LEN_CHAR);
+ i++;
+ }
+ else if (!STRCMPI(argv[i], "--batch"))
+ {
+ g_Options.fNoInputThread = TRUE;
+ }
+ else if ((!STRCMPI(argv[i], "--dnafile")) && (argc > i))
+ {
+ if (!ReadEvalDNA(argv[i+1]))
+ {
+ UtilPanic(INITIALIZATION_FAILURE,
+ (void *)"Bad DNA file",
+ (void *)&(argv[i+1]),
+ (void *)"read",
+ NULL,
+ __FILE__, __LINE__);
+ }
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--logfile")) && (argc > i))
+ {
+ strncpy(g_Options.szLogfile, argv[i+1],
+ SMALL_STRING_LEN_CHAR);
+ i++;
+ }
+ else if (!STRCMPI(argv[i], "--help")) {
+ Trace("Usage: %s [--batch] [--command arg] [--logfile arg] [--egtbpath arg]\n"
+ " [--dnafile arg] [--cpus arg] [--hash arg]\n\n"
+ " --batch : operate the engine without an input thread\n"
+ " --command : specify initial command(s) (requires arg)\n"
+ " --cpus : indicate the number of cpus to use (requires arg, MP build)\n"
+ " --hash : indicate desired hash size (requires arg)\n"
+ " --egtbpath : supplies the egtb path to engine (requires arg)\n"
+ " --logfile : indicate desired output logfile name (requires arg)\n"
+ " --dnafile : indicate desired eval profile input (requres arg)\n\n"
+ "Example: %s --hash 256m --cpus 2\n"
+ " %s --logfile test.out --batch --command \"test\" --dnafile test.in\n", argv[0], argv[0], argv[0]);
+ exit(-1);
+ }
+ else
+ {
+ Trace("Error (unknown argument): \"%s\"; try --help\n", argv[i]);
+ }
+
+ //
+ // TODO: parse other commandline options and override above
+ //
+
+ i++;
+ }
+}
+
+
+void
+CleanupOptions(void)
+/**
+
+Routine description:
+
+ Cleanup options...
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ NOTHING;
+}
+
+
+FLAG
+MainProgramInitialization(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Perform main program initialization. This includes stuff like:
+ precomputing some data structures, resetting the global options,
+ parsing the commandline to override said options, and calling out
+ to other modules to tell them to initialize themselves.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ FLAG
+
+**/
+{
+ srand((unsigned int)time(0));
+ InitializeOptions(argc, argv);
+ InitializeTreeDump();
+ InitializeEGTB();
+ InitializeSigSystem();
+ InitializeInteriorNodeRecognizers();
+ InitializeSearchDepthArray();
+ InitializeWhiteSquaresTable();
+ InitializeVectorDeltaTable();
+ InitializeSwapTable();
+ InitializeDistanceTable();
+ InitializeOpeningBook();
+ InitializeDynamicMoveOrdering();
+ InitializeHashSystem();
+ InitializePositionHashSystem();
+#ifdef MP
+ InitializeParallelSearch();
+#endif
+ VERIFY(PreGameReset(TRUE));
+ return(BeginLogging());
+}
+
+
+FLAG
+MainProgramCleanup(void)
+/**
+
+Routine description:
+
+ Perform main program cleanup. Tear down the stuff we set up in
+ MainProgramInitialization.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CleanupOpeningBook();
+ CleanupEGTB();
+ CleanupDynamicMoveOrdering();
+#ifdef MP
+ CleanupParallelSearch();
+#endif
+ CleanupPositionHashSystem();
+ CleanupHashSystem();
+ CleanupTreeDump();
+ CleanupOptions();
+ EndLogging();
+ return(TRUE);
+}
+
+
+#ifdef TEST
+FLAG
+RunStartupProgramTest(void)
+/**
+
+Routine description:
+
+ If we built this version with -DTEST then this code is the start
+ of the self-test that runs at program startup time.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG u, x, y;
+
+#ifdef _X86_
+ Trace("Testing CPP macros...\n");
+ for (u = 0; u < 1000000; u++)
+ {
+ x = rand() * rand();
+ y = rand() * rand();
+ x = x & ~(0x80000000);
+ y = y & ~(0x80000000);
+
+ if (MAX(x, y) != MAXU(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "max maxu", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MAXU(x, y) != MAXU(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "maxu assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MIN(x, y) != MINU(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "min minu", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MINU(x, y) != MINU(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "minu assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (abs(x - y) != ABS_DIFF(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "abs_diff", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (ABS_DIFF(x, y) != ABS_DIFF(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "abs_diff assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+ }
+#endif
+
+ TestDraw();
+#ifdef EVAL_DUMP
+ TestEval();
+#endif
+ TestBitboards();
+ TestSan();
+ TestIcs();
+ TestGetAttacks();
+ TestMoveGenerator();
+ TestLegalMoveGenerator();
+ TestFenCode();
+ TestLiftPlaceSlidePiece();
+ TestExposesCheck();
+ TestIsAttacked();
+ TestMakeUnmakeMove();
+ TestSearch();
+
+ return(TRUE);
+}
+#endif // TEST
+
+
+
+void DeclareTerminalStates(GAME_RESULT result) {
+ switch(result.eResult) {
+ case RESULT_IN_PROGRESS:
+ return;
+ case RESULT_BLACK_WON:
+ Trace("0-1 {%s}\n", result.szDescription);
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_WHITE_WON:
+ Trace("1-0 {%s}\n", result.szDescription);
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_DRAW:
+ Trace("1/2-1/2 {%s}\n", result.szDescription);
+ Trace("tellics draw\n");
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_ABANDONED:
+ case RESULT_UNKNOWN:
+ ASSERT(FALSE);
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ }
+}
+
+
+// Main work loop
+void MainProgramLoop() {
+ POSITION pos;
+ GAME_RESULT result;
+ FLAG fThink;
+ FLAG fPonder;
+
+ while(!g_fExitProgram) {
+
+ // Prepare to search or ponder
+ memcpy(&pos, GetRootPosition(), sizeof(POSITION));
+ fThink = fPonder = FALSE;
+ result.eResult = RESULT_IN_PROGRESS;
+ result.szDescription[0] = '\0';
+
+ // What should we do?
+ switch(g_Options.ePlayMode) {
+ case I_PLAY_WHITE:
+ fThink = (pos.uToMove == WHITE);
+ fPonder = (pos.uToMove == BLACK);
+ break;
+ case I_PLAY_BLACK:
+ fThink = (pos.uToMove == BLACK);
+ fPonder = (pos.uToMove == WHITE);
+ break;
+ case FORCE_MODE:
+ default:
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ continue;
+ }
+
+ if (fThink) {
+ result = Think(&pos);
+ if ((NumberOfPendingInputEvents() != 0) &&
+ (FALSE == g_fExitProgram))
+ {
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ } else if (fPonder) {
+ if (g_Options.fShouldPonder) {
+ result = Ponder(&pos);
+ }
+ if (FALSE == g_fExitProgram)
+ {
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ }
+ DeclareTerminalStates(result);
+ }
+}
+
+
+int CDECL
+main(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Chess engine entry point and main loop.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ int CDECL
+
+**/
+{
+ // Initial setup work...
+ Trace("Setting up, please wait...\n");
+ if (FALSE == SystemDependentInitialization())
+ {
+ Trace("main: Operating system dependent init code failed, "
+ "aborting.\n");
+ exit(-1);
+ }
+ if (FALSE == MainProgramInitialization(argc, argv))
+ {
+ Trace("main: Main program init code failed, aborting.\n");
+ exit(-1);
+ }
+ Banner();
+#ifdef TEST
+ (void)RunStartupProgramTest();
+#endif
+ if (TRUE == g_Options.fNoInputThread)
+ {
+ InitInputSystemInBatchMode();
+ }
+ else
+ {
+ g_uInputThreadHandle = InitInputSystemWithDedicatedThread();
+ }
+
+ // Enter the main work loop code...
+ MainProgramLoop();
+
+ // If we get here g_fExitProgram is set -- clean up.
+ Trace("MAIN THREAD: thread terminating.\n");
+ if (FALSE == MainProgramCleanup())
+ {
+ Trace("main: Main program cleanup code failed, aborting.\n");
+ exit(-1);
+ }
+ exit(0);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ root.c
+
+Abstract:
+
+ Routines dealing with the root of the search tree. Specifically
+ move ordering at the root node, searching, search support, pondering,
+ pondering support, and the main iterative deepening loop.
+
+Author:
+
+
+Revision History:
+
+ $Id: root.c 351 2008-06-28 04:21:53Z scott $
+
+**/
+
+#include "chess.h"
+
+volatile MOVE_TIMER g_MoveTimer;
+ULONG g_uIterateDepth;
+ULONG g_uSoftExtendLimit;
+ULONG g_uHardExtendLimit;
+ULONG g_uExtensionReduction[MAX_PLY_PER_SEARCH];
+FLAG g_fCanSplit[MAX_PLY_PER_SEARCH];
+extern FILE *g_pfLogfile;
+SCORE g_iRootScore[2] = {0, 0};
+SCORE g_iScore;
+
+
+static void
+_SetMoveTimerForPonder(void)
+/**
+
+Routine description:
+
+ Set the move timer before a ponder operation. A time limit of -1
+ means search forever... so the only way out of the ponder is for
+ new user input to interrupt it.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.dSoftTimeLimit = -1;
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.uNodeCheckMask = 0x200 - 1;
+ g_MoveTimer.bvFlags = 0;
+}
+
+
+void
+SetMoveTimerToThinkForever(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.dSoftTimeLimit = -1;
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.uNodeCheckMask = 0x1000000 - 1;
+ g_MoveTimer.bvFlags = 0;
+}
+
+
+void
+SetMoveTimerForSearch(FLAG fSwitchOver, ULONG uColor)
+/**
+
+Routine description:
+
+ Set the move timer for a search operation.
+
+Parameters:
+
+ FLAG fSwitchOver : if TRUE then this search is a converted ponder
+ (i.e. they made the ponder move and now we are searching).
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uMovesDone = GetMoveNumber(uColor);
+ double dClock = (double)g_Options.uMyClock;
+ double dSec = 0;
+ ULONG uMargin = 0;
+ ULONG uMovesToDo;
+
+ //
+ // If switching over from a ponder search leave the start time and
+ // move flags alone (i.e. N seconds in the past already).
+ //
+ if (FALSE == fSwitchOver)
+ {
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.bvFlags = 0;
+ }
+
+ //
+ // Check the clock more often in search if there is little time
+ // left on the clock -- we can't afford an oversearch when the
+ // bullet game is down to the wire.
+ //
+#ifdef DEBUG
+ g_MoveTimer.uNodeCheckMask = 0x800 - 1;
+#else
+ if (WeAreRunningASuite())
+ {
+ g_MoveTimer.uNodeCheckMask = 0x20000 - 1;
+ }
+ else if (g_Options.u64MaxNodeCount)
+ {
+ g_MoveTimer.uNodeCheckMask = 0x1000 - 1;
+ }
+ else
+ {
+ if (dClock < 10.0)
+ {
+ g_MoveTimer.uNodeCheckMask = 0x400 - 1;
+ }
+ else
+ {
+ g_MoveTimer.uNodeCheckMask = 0x8000 - 1;
+ }
+ }
+#endif
+
+ switch (g_Options.eClock)
+ {
+ //
+ // Fixed time per move. Think for g_uMyIncrement seconds exactly and
+ // no hard time limit.
+ //
+ case CLOCK_FIXED:
+ dSec = (double)g_Options.uMyIncrement;
+ uMargin = 0;
+ break;
+
+ //
+ // N moves per time control or entire game in time control.
+ //
+ case CLOCK_NORMAL:
+ if (g_Options.uMovesPerTimePeriod != 0)
+ {
+ //
+ // N moves per time control.
+ //
+ ASSERT(g_Options.uMovesPerTimePeriod < 256);
+ uMovesToDo =
+ (g_Options.uMovesPerTimePeriod -
+ ((uMovesDone - 1) % g_Options.uMovesPerTimePeriod));
+#ifdef DEBUG
+ Trace("SetMoveTimer: %u moves left to do this in %s sec.\n",
+ uMovesToDo, TimeToString(dClock));
+#endif
+ ASSERT(uMovesToDo <= g_Options.uMovesPerTimePeriod);
+ dSec = (dClock / (double)uMovesToDo);
+ dSec *= 0.95;
+ uMargin = (ULONG)(dSec * 2.2);
+ if (uMovesToDo <= 5)
+ {
+ dSec *= 0.75;
+ uMargin /= 2;
+ }
+ break;
+ }
+ else
+ {
+ //
+ // Fixed time finish entire game.
+ //
+#ifdef DEBUG
+ Trace("SetMoveTimer: finish the game in %s sec.\n",
+ TimeToString(dClock));
+#endif
+ dSec = dClock / 60;
+ uMargin = (ULONG)(dSec * 2.2);
+ }
+ break;
+
+ //
+ // We get back a certain number of seconds with each move made.
+ //
+ case CLOCK_INCREMENT:
+ dSec = g_Options.uMyIncrement;
+ dSec += (dClock / 50);
+ uMargin = (int)(dSec * 2.2);
+
+#ifdef DEBUG
+ Trace("SetMoveTimer: finish the game in %s sec (+%u per move).\n",
+ TimeToString(dClock), g_Options.uMyIncrement);
+#endif
+
+ //
+ // If we are running out of time, think for less than the
+ // increment.
+ //
+ if (dClock < 20.0)
+ {
+ dSec -= g_Options.uMyIncrement;
+ uMargin = 0;
+ }
+ ASSERT(dSec > 0);
+ break;
+
+ case CLOCK_NONE:
+#ifdef DEBUG
+ Trace("SetMoveTimer: no time limit, think until interrupted.\n");
+#endif
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.dSoftTimeLimit = -1;
+ goto post;
+
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+ if ((dSec + uMargin) >= (dClock * 7 / 8)) uMargin = 0;
+ g_MoveTimer.dSoftTimeLimit = g_MoveTimer.dStartTime + dSec;
+ g_MoveTimer.dHardTimeLimit = g_MoveTimer.dStartTime + dSec + uMargin;
+
+ post:
+ if (TRUE == g_Options.fShouldPost)
+ {
+ if (g_MoveTimer.dSoftTimeLimit > 0)
+ {
+ Trace("SetMoveTimer: Soft time limit %s seconds.\n",
+ TimeToString(g_MoveTimer.dSoftTimeLimit -
+ g_MoveTimer.dStartTime));
+ ASSERT(g_MoveTimer.dHardTimeLimit > 0);
+ Trace("SetMoveTimer: Hard time limit %s seconds.\n",
+ TimeToString(g_MoveTimer.dHardTimeLimit -
+ g_MoveTimer.dStartTime));
+ if (TRUE == fSwitchOver)
+ {
+ Trace("SetMoveTimer: Already searched %s seconds.\n",
+ TimeToString(SystemTimeStamp() -
+ g_MoveTimer.dStartTime));
+ }
+ }
+#ifdef DEBUG
+ Trace("SetMoveTimer: Checking input and timer every %u nodes.\n",
+ g_MoveTimer.uNodeCheckMask);
+#endif
+ }
+}
+
+
+void
+ReInitializeSearcherContext(POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Reinitializes a SEARCHER_THREAD_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != pos)
+ {
+ memmove(&(ctx->sPosition), pos, sizeof(POSITION));
+ }
+ ctx->uPly = 0;
+ ctx->uPositional = 133;
+ memset(&(ctx->sCounters), 0, sizeof(COUNTERS));
+}
+
+
+void
+InitializeSearcherContext(POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Initialize a SEARCHER_THREAD_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ memset(ctx, 0, sizeof(SEARCHER_THREAD_CONTEXT));
+ ReInitializeSearcherContext(pos, ctx);
+ ctx->sMoveStack.uUnblockedKeyValue[0] = 1;
+ for (u = 1;
+ u < MAX_PLY_PER_SEARCH;
+ u++)
+ {
+ ctx->sMoveStack.uUnblockedKeyValue[u] =
+ ctx->sMoveStack.uUnblockedKeyValue[u-1] + 0x28F5C28;
+ }
+}
+
+
+void
+InitializeLightweightSearcherContext(POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Initialize a LIGHTWEIGHT_SEARCHER_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ memset(ctx, 0, sizeof(LIGHTWEIGHT_SEARCHER_CONTEXT));
+ if (NULL != pos)
+ {
+ memmove(&(ctx->sPosition), pos, sizeof(POSITION));
+ }
+ ctx->uPly = 0;
+ ctx->uPositional = 133;
+ ctx->sMoveStack.uUnblockedKeyValue[0] = 1;
+ for (u = 1;
+ u < MAX_PLY_PER_SEARCH;
+ u++)
+ {
+ ctx->sMoveStack.uUnblockedKeyValue[u] =
+ ctx->sMoveStack.uUnblockedKeyValue[u-1] + 0x28F5C28;
+ }
+}
+
+
+void
+PostMoveSearchReport(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Dump a report to stdout after every move.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+
+Return value:
+
+ void
+
+**/
+{
+ double d;
+ char buf[256];
+#ifdef PERF_COUNTERS
+ double n;
+#endif
+ d = (double)g_MoveTimer.dEndTime - (double)g_MoveTimer.dStartTime + 0.01;
+ ASSERT(d);
+ Trace("---------------------------------------------\n"
+ "Searched for %5.1f seconds, saw %"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " nodes (%"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " qnodes) (%6.0f nps).\n",
+ d, ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->sCounters.tree.u64QNodeCount,
+ ((double)ctx->sCounters.tree.u64TotalNodeCount / d));
+ if (g_Options.fThinking)
+ {
+ snprintf(buf, ARRAY_LENGTH(buf), "d%u, %s, %3.1fs, %6.0fknps, PV=%s",
+ ctx->uRootDepth / ONE_PLY,
+ ScoreToString(ctx->iRootScore),
+ d,
+ ((double)ctx->sCounters.tree.u64TotalNodeCount / d / 1000),
+ ctx->szLastPV);
+ Trace("tellothers %s\n", buf);
+ }
+#ifdef MP
+#ifdef PERF_COUNTERS
+ if (ctx->sCounters.parallel.uNumSplits > 0)
+ {
+ n = (double)ctx->sCounters.parallel.uNumSplits;
+ Trace("Split %u times total ",
+ ctx->sCounters.parallel.uNumSplits);
+ Trace("(~%7.2fx/sec).\n", (n / d));
+ d = n + 1;
+ ASSERT(d);
+ n = (double)ctx->sCounters.parallel.uNumSplitsTerminated;
+ Trace(" ...%u (%5.2f percent) terminated early.\n",
+ ctx->sCounters.parallel.uNumSplitsTerminated, ((n/d) * 100.0));
+ DumpHelperIdlenessReport();
+ }
+#endif
+#endif
+
+#ifdef TEST
+ AnalyzeFullHashTable();
+#endif
+#ifdef PERF_COUNTERS
+ d = (double)(ctx->sCounters.hash.u64Probes) + 1;
+ ASSERT(d);
+ Trace("Hashing percentages: (%5.3f total, %5.3f useful)\n",
+ ((double)(ctx->sCounters.hash.u64OverallHits) / d) * 100.0,
+ ((double)(ctx->sCounters.hash.u64UsefulHits) / d) * 100.0);
+ d = (double)(ctx->sCounters.pawnhash.u64Probes) + 1;
+ ASSERT(d);
+ n = (double)(ctx->sCounters.pawnhash.u64Hits);
+ Trace("Pawn hash hitrate: %5.3f percent.\n", (n/d) * 100.0);
+ n = (double)(ctx->sCounters.tree.u64NullMoveSuccess);
+ d = (double)(ctx->sCounters.tree.u64NullMoves) + 1;
+ ASSERT(d);
+ Trace("Null move cutoff rate: %5.3f percent.\n",
+ ((n / d) * 100.0));
+#ifdef TEST_ENDGAME
+ n = (double)(ctx->sCounters.tree.u64EndgamePruningSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64EndgamePruningFailures);
+ if (d != 0.0)
+ {
+ Trace("Endgame pruning heuristic success rate was %5.3f percent.\n"
+ "Endgame pruning heuristic was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64EndgamePruningSuccess,
+ (ctx->sCounters.tree.u64EndgamePruningSuccess +
+ ctx->sCounters.tree.u64EndgamePruningFailures));
+ }
+ else
+ {
+ Trace("Never used endgame pruning heuristic.\n");
+ }
+#endif
+#ifdef TEST_NULL
+ n = (double)(ctx->sCounters.tree.u64AvoidNullSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64AvoidNullFailures);
+ if (d != 0.0)
+ {
+ Trace("Avoid null move heuristic rate was %5.3f percent.\n"
+ "Avoid null move heuristic was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64AvoidNullSuccess,
+ (ctx->sCounters.tree.u64AvoidNullSuccess +
+ ctx->sCounters.tree.u64AvoidNullFailures));
+ }
+ else
+ {
+ Trace("Never used the avoid null move heuristic.\n");
+ }
+ n = (double)(ctx->sCounters.tree.u64QuickNullSuccess);
+ n += (double)(ctx->sCounters.tree.u64QuickNullDeferredSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64QuickNullFailures);
+ if (d != 0.0)
+ {
+ Trace("Quick null move heuristic rate was %5.3f percent.\n"
+ "Quick null move heuristic rate was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " ("
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ") / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64QuickNullSuccess,
+ ctx->sCounters.tree.u64QuickNullDeferredSuccess,
+ (ctx->sCounters.tree.u64QuickNullSuccess +
+ ctx->sCounters.tree.u64QuickNullDeferredSuccess +
+ ctx->sCounters.tree.u64QuickNullFailures));
+ }
+ else
+ {
+ Trace("Never used the quick null move heuristic.\n");
+ }
+#endif
+ n = (double)ctx->sCounters.tree.u64BetaCutoffsOnFirstMove;
+ d = (double)ctx->sCounters.tree.u64BetaCutoffs + 1;
+ Trace("First move beta cutoff rate was %5.3f percent.\n",
+ ((n / d) * 100.0));
+#ifdef LAZY_EVAL
+ d = (double)ctx->sCounters.tree.u64LazyEvals;
+ d += (double)ctx->sCounters.tree.u64FullEvals;
+ d += (double)ctx->sCounters.tree.u64EvalHashHits;
+ d += 1;
+ ASSERT(d);
+ Trace("Eval percentages: (%5.2f hash, %5.2f lazy, %5.2f full)\n",
+ ((double)ctx->sCounters.tree.u64EvalHashHits / d) * 100.0,
+ ((double)ctx->sCounters.tree.u64LazyEvals / d) * 100.0,
+ ((double)ctx->sCounters.tree.u64FullEvals / d) * 100.0);
+#endif
+ Trace("Extensions: (%u +, %u q+, %u 1mv, %u !kmvs, %u mult+, %u pawn\n"
+ " %u threat, %u zug, %u sing, %u endg, %u bm, %u recap)\n",
+ ctx->sCounters.extension.uCheck,
+ ctx->sCounters.extension.uQExtend,
+ ctx->sCounters.extension.uOneLegalMove,
+ ctx->sCounters.extension.uNoLegalKingMoves,
+ ctx->sCounters.extension.uMultiCheck,
+ ctx->sCounters.extension.uPawnPush,
+ ctx->sCounters.extension.uMateThreat,
+ ctx->sCounters.extension.uZugzwang,
+ ctx->sCounters.extension.uSingularReplyToCheck,
+ ctx->sCounters.extension.uEndgame,
+ ctx->sCounters.extension.uBotvinnikMarkoff,
+ ctx->sCounters.extension.uRecapture);
+#ifdef EVAL_TIME
+ n = (double)ctx->sCounters.tree.u64CyclesInEval;
+ Trace("Avg. cpu cycles in eval: %8.1f.\n", (n / d));
+#endif
+#endif
+ fflush(g_pfLogfile);
+}
+
+
+SCORE
+RootSearch(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth)
+/**
+
+Routine description:
+
+ Search at the root of the whole tree.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth,
+
+Return value:
+
+ SCORE
+
+**/
+{
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ SCORE iBestScore = -INFINITY;
+ SCORE iInitialAlpha = iAlpha;
+ MOVE mv;
+ ULONG x, y;
+ SCORE iScore;
+ ULONG uNextDepth;
+ UINT64 u64StartingNodeCount;
+ ULONG uNumLegalMoves;
+
+#ifdef DEBUG
+ POSITION *pos = &ctx->sPosition;
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT((ctx->uPly == 0) || (ctx->uPly == 1)); // 1 is for under a ponder
+ memcpy(&pi->sPosition, pos, sizeof(POSITION));
+#endif
+
+ ctx->sCounters.tree.u64TotalNodeCount++;
+ pi->PV[ctx->uPly] = NULLMOVE;
+ pi->mvBest = NULLMOVE;
+ g_MoveTimer.bvFlags |= TIMER_SEARCHING_FIRST_MOVE;
+#ifdef DEBUG
+ Trace("---- depth=%u, a=%d, b=%d ----\n", uDepth / ONE_PLY, iAlpha, iBeta);
+#endif
+
+ uNumLegalMoves = 0;
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ SelectMoveAtRoot(ctx, x);
+ if (ctx->sMoveStack.mvf[x].bvFlags & MVF_MOVE_SEARCHED) break;
+ ctx->sMoveStack.mvf[x].bvFlags |= MVF_MOVE_SEARCHED;
+ mv = ctx->sMoveStack.mvf[x].mv;
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+
+ if (MakeMove(ctx, mv))
+ {
+ uNumLegalMoves++;
+ u64StartingNodeCount = ctx->sCounters.tree.u64TotalNodeCount;
+
+ //
+ // TODO: Fancy recap shit here?
+ //
+
+ uNextDepth = uDepth - ONE_PLY;
+ if (IS_CHECKING_MOVE(mv))
+ {
+ uNextDepth += HALF_PLY;
+ ctx->sPlyInfo[ctx->uPly].iExtensionAmount = HALF_PLY;
+ }
+
+ ctx->sSearchFlags.fVerifyNullmove = TRUE;
+ ctx->sSearchFlags.uQsearchDepth = 0;
+ if (uNumLegalMoves == 1)
+ {
+ //
+ // Move 1, full a..b window
+ //
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ else
+ {
+ //
+ // Moves 2..N, minimal window search
+ //
+ ASSERT(x > 0);
+ ASSERT(uNumLegalMoves > 1);
+ iScore = -Search(ctx, -iAlpha - 1, -iAlpha, uNextDepth);
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ }
+ ctx->sSearchFlags.fVerifyNullmove = FALSE;
+ UnmakeMove(ctx, mv);
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ iBestScore = INVALID_SCORE;
+ goto end;
+ }
+#ifdef DEBUG
+ Trace("%2u. %-8s => node=%" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ ", predict=%d, actual=%d, ",
+ x + 1,
+ MoveToSan(mv, &ctx->sPosition),
+ u64StartingNodeCount,
+ ctx->sMoveStack.mvf[x].iValue,
+ iScore);
+ ASSERT(PositionsAreEquivalent(&pi->sPosition, &ctx->sPosition));
+#endif
+ //
+ // Keep track of how many moves are under each one we
+ // search and use this as the basis for root move ordering
+ // next iteration.
+ //
+ u64StartingNodeCount = (ctx->sCounters.tree.u64TotalNodeCount -
+ u64StartingNodeCount);
+ u64StartingNodeCount >>= 9;
+ u64StartingNodeCount &= (MAX_INT / 4);
+ ctx->sMoveStack.mvf[x].iValue =
+ (SCORE)(u64StartingNodeCount + iScore);
+#ifdef DEBUG
+ Trace("next_predict: %d\n", ctx->sMoveStack.mvf[x].iValue);
+ ASSERT(iBestScore <= iAlpha);
+ ASSERT(iAlpha < iBeta);
+#endif
+ if (iScore > iBestScore)
+ {
+ iBestScore = iScore;
+ pi->mvBest = mv;
+ if (iScore > iAlpha)
+ {
+ //
+ // We have a best move so far. As of now it is
+ // the one we'll be playing. Also make sure to
+ // search it first at the next depth.
+ //
+#ifdef DEBUG
+ Trace("Best so far... root score=%d.\n", iScore);
+#endif
+ ctx->mvRootMove = mv;
+ ctx->iRootScore = iScore;
+ ctx->uRootDepth = uDepth;
+ ctx->sMoveStack.mvf[x].iValue = MAX_INT;
+
+ //
+ // If there was a previous PV move then knock its
+ // score down so that it will be considered second
+ // on the next depth.
+ //
+ for (y = ctx->sMoveStack.uBegin[ctx->uPly];
+ y < x;
+ y++)
+ {
+ if (ctx->sMoveStack.mvf[y].iValue == MAX_INT)
+ {
+ ctx->sMoveStack.mvf[y].iValue /= 2;
+ }
+ }
+
+ UpdatePV(ctx, mv);
+ if (iScore >= iBeta)
+ {
+ //
+ // Root fail high...
+ //
+ UpdateDynamicMoveOrdering(ctx,
+ uDepth,
+ mv,
+ iScore,
+ x + 1);
+ UtilPrintPV(ctx, iAlpha, iBeta, iScore, mv);
+ KEEP_TRACK_OF_FIRST_MOVE_FHs(iBestScore == -INFINITY);
+ ctx->sMoveStack.mvf[x].bvFlags &= ~MVF_MOVE_SEARCHED;
+ goto end;
+ }
+ else
+ {
+ //
+ // Root PV change...
+ //
+ UtilPrintPV(ctx, iAlpha, iBeta, iScore, mv);
+ iAlpha = iScore;
+ }
+ }
+ }
+ g_MoveTimer.bvFlags &= ~TIMER_SEARCHING_FIRST_MOVE;
+ }
+ }
+
+ if (iAlpha == iInitialAlpha)
+ {
+ //
+ // Root fail low...
+ //
+ ASSERT(iBestScore <= iAlpha);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ UtilPrintPV(ctx, iAlpha, iBeta, iBestScore, mv);
+ }
+
+ end:
+ return(iBestScore);
+}
+
+
+
+static GAME_RESULT
+_DetectPreMoveTerminalStates(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fInCheck,
+ MOVE *pmv) {
+ ULONG u;
+ MOVE mv;
+ MOVE mvLegal;
+ ULONG uNumLegal = 0;
+ GAME_RESULT ret;
+
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+ pmv->uMove = 0;
+
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++) {
+ mv = ctx->sMoveStack.mvf[u].mv;
+ if (MakeMove(ctx, mv)) {
+ mvLegal = mv;
+ uNumLegal += 1;
+ UnmakeMove(ctx, mv);
+ if (uNumLegal > 1) {
+ return ret;
+ }
+ }
+ }
+
+ if (uNumLegal == 1) {
+ *pmv = mvLegal;
+ }
+ if (uNumLegal == 0) {
+ if (TRUE == fInCheck) {
+ if (ctx->sPosition.uToMove == WHITE) {
+ ret.eResult = RESULT_BLACK_WON;
+ strcpy(ret.szDescription, "black checkmated white");
+ return ret;
+ }
+ ret.eResult = RESULT_WHITE_WON;
+ strcpy(ret.szDescription, "white checkmated black");
+ return ret;
+ }
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "stalemate");
+ }
+ return ret;
+}
+
+
+
+static GAME_RESULT
+_DetectPostMoveTerminalStates(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ This function is called by Iterate and MakeTheMove to declare
+ wins/losses/draws.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG
+
+**/
+{
+ GAME_RESULT ret;
+ FLAG fInCheck = InCheck(&ctx->sPosition, ctx->sPosition.uToMove);
+
+ // Did we just make the 50th+ move without progress?
+ if (ctx->sPosition.uFifty >= 100) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "fifty moves without progress");
+ return ret;
+ }
+
+ // Did we just repeat a position for the 3rd time?
+ if (IsLegalDrawByRepetition()) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "third repetition of position");
+ return ret;
+ }
+
+ // Did we just checkmate or stalemate our opponent? The conditions
+ // here are the same as PreMove... so call that code.
+ GenerateMoves(ctx, NULLMOVE, (fInCheck ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+ MOVE mvUnused;
+ return _DetectPreMoveTerminalStates(ctx,
+ fInCheck,
+ &mvUnused);
+}
+
+
+static void
+_IterateSetSearchGlobals(ULONG uDepth)
+{
+ ULONG u, v;
+ ULONG uDontSplitLessThan;
+
+ //
+ // Set some globals that will be used throughout this search.
+ //
+ g_uIterateDepth = uDepth;
+ ASSERT(g_uIterateDepth > 0);
+ ASSERT(g_uIterateDepth < MAX_PLY_PER_SEARCH);
+
+ //
+ // For use in scaling back extensions that are very far from
+ // the root.
+ //
+ // Iterate g_Soft g_Hard
+ // | | | | | | | | |
+ // 0 1 2 2.5 3 3.5 4 (x Iterate)
+ // |-------------------|----|----|---------|----...
+ // |full full full full|-1/4|-1/2|-3/4 -3/4|none...
+ //
+ g_uSoftExtendLimit = g_uIterateDepth * 2;
+ g_uHardExtendLimit = g_uIterateDepth * 4;
+ for (u = 0; u < MAX_PLY_PER_SEARCH; u++)
+ {
+ if (u < g_uSoftExtendLimit)
+ {
+ g_uExtensionReduction[u] = 0;
+ }
+ else if (u < (g_uSoftExtendLimit + g_uIterateDepth / 2))
+ {
+ g_uExtensionReduction[u] = QUARTER_PLY;
+ }
+ else if (u < (g_uSoftExtendLimit + g_uIterateDepth))
+ {
+ g_uExtensionReduction[u] = HALF_PLY;
+ }
+ else if (u < g_uHardExtendLimit)
+ {
+ g_uExtensionReduction[u] = THREE_QUARTERS_PLY;
+ }
+ else
+ {
+ g_uExtensionReduction[u] = 5 * ONE_PLY;
+ }
+ }
+
+ //
+ // Determine how much depth we need below a point in the tree in
+ // order to split the search (which is based on iteration depth).
+ //
+ uDontSplitLessThan = (ULONG)((double)(uDepth) * 0.30);
+ for (v = 0; v < MAX_PLY_PER_SEARCH; v++)
+ {
+ g_fCanSplit[v] = ((v + 1) >= uDontSplitLessThan);
+ }
+ g_fCanSplit[0] = FALSE;
+}
+
+
+#define SKIP_GRADUAL_OPENING 600
+#define INITIAL_HALF_WINDOW 75
+#define FIRST_FAIL_STEP 150
+#define SECOND_FAIL_STEP 375
+
+void
+_IterateWidenWindow(ULONG uColor,
+ SCORE iScore,
+ SCORE *piBound,
+ ULONG *puState,
+ int iDir)
+{
+ SCORE iRoughScore = g_iRootScore[uColor];
+ static SCORE _Steps[] =
+ {
+ FIRST_FAIL_STEP,
+ SECOND_FAIL_STEP,
+ INFINITY
+ };
+
+// Trace("State = %u.\n", *puState);
+// Trace("Bound from %d to ", *piBound);
+ if ((abs(iRoughScore - iScore) > SKIP_GRADUAL_OPENING) ||
+ (*puState == 2))
+ {
+ *piBound = iDir * INFINITY;
+ *puState = 2;
+ }
+ else
+ {
+ ASSERT(*puState < 2);
+ *piBound = iScore;
+ *piBound += iDir * _Steps[*puState];
+ *puState += 1;
+ }
+// Trace("%d.\n", *piBound);
+// Trace("State = %u\n", *puState);
+}
+
+
+GAME_RESULT Iterate(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Main iterative deepening loop for both thinking and pondering.
+ Call RootSearch with progressively deeper depths while there is
+ remaining time, we haven't found a forced mate, and there's no
+ user interruption.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG : is the game over?
+
+**/
+{
+ ULONG uNumRootFailLows = 0;
+ ULONG uDepth;
+ ULONG uFailState = 0;
+ ULONG uColor;
+ ULONG u;
+ SCORE iAlpha = -INFINITY;
+ SCORE iBeta = +INFINITY;
+ SCORE iScore;
+ FLAG fInCheck = InCheck(&(ctx->sPosition), ctx->sPosition.uToMove);
+ MOVE mv;
+ GAME_RESULT ret;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+ VerifyPositionConsistency(&board, FALSE);
+#endif
+
+ uColor = ctx->sPosition.uToMove;
+ g_iRootScore[uColor] = GetRoughEvalScore(ctx, iAlpha, iBeta, TRUE);
+ g_iRootScore[FLIP(uColor)] = -g_iRootScore[uColor];
+
+ //
+ // Generate moves here so that RootSearch doesn't have to.
+ //
+ ASSERT((ctx->uPly == 0) || (ctx->uPly == 1)); // 1 is under a ponder
+ ctx->sPlyInfo[ctx->uPly].fInCheck = fInCheck;
+ GenerateMoves(ctx, NULLMOVE, (fInCheck ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+ ASSERT(ctx->sMoveStack.uBegin[0] == 0);
+
+ //
+ // See if we are sitting at a checkmate or stalemate position; no
+ // sense searching if so.
+ //
+ ret = _DetectPreMoveTerminalStates(ctx,
+ fInCheck,
+ &mv);
+ if (ret.eResult != RESULT_IN_PROGRESS) {
+ goto end;
+ }
+
+ // One legal move available?
+ if (mv.uMove != 0) {
+ ctx->mvRootMove = mv;
+ ctx->iRootScore = 0;
+ ctx->uRootDepth = 0;
+ ctx->sPlyInfo[0].PV[0] = mv;
+ ctx->sPlyInfo[0].PV[1] = NULLMOVE;
+ strcpy(ctx->szLastPV, "only");
+ if (!g_Options.fPondering) {
+ Trace("ONLY MOVE --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ g_MoveTimer.bvFlags |= TIMER_CURRENT_OBVIOUS;
+ } else {
+ Trace("ONLY PONDER --> move immediately if prediction correct.\n");
+ g_MoveTimer.bvFlags |= TIMER_MOVE_IMMEDIATELY;
+ g_MoveTimer.bvFlags |= TIMER_CURRENT_OBVIOUS;
+ }
+ goto end;
+ }
+
+ for (uDepth = 1;
+ uDepth <= g_Options.uMaxDepth;
+ uDepth++)
+ {
+ //
+ // Re-rank the moves based on nodecounts and mark all moves as
+ // not yet searched at this depth.
+ //
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++)
+ {
+ ctx->sMoveStack.mvf[u].bvFlags &= ~MVF_MOVE_SEARCHED;
+ }
+
+ //
+ // Make sure a..b window makes sense and set some other per-depth
+ // globals used by the search.
+ //
+ _IterateSetSearchGlobals(uDepth);
+
+ //
+ // Try to get a PV for this depth before we're out of time...
+ //
+ do
+ {
+ if (iBeta > INFINITY) iBeta = +INFINITY;
+ if (iAlpha < -INFINITY) iAlpha = -INFINITY;
+ if (iAlpha >= iBeta) iAlpha = iBeta - 1;
+ iScore = RootSearch(ctx,
+ iAlpha,
+ iBeta,
+ uDepth * ONE_PLY + HALF_PLY);
+ if (g_MoveTimer.bvFlags & TIMER_STOPPING) break;
+ mv = ctx->mvRootMove;
+
+ //
+ // Got a PV, we're done with this depth.
+ //
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ ASSERT(iScore == ctx->iRootScore);
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(&ctx->sPosition, mv));
+ iAlpha = iScore - INITIAL_HALF_WINDOW;
+ iBeta = iScore + INITIAL_HALF_WINDOW;
+ g_iRootScore[uColor] = iScore;
+ g_iRootScore[FLIP(uColor)] = -iScore;
+ g_MoveTimer.bvFlags &= ~TIMER_RESOLVING_ROOT_FH;
+ g_MoveTimer.bvFlags &= ~TIMER_RESOLVING_ROOT_FL;
+ uFailState = 0;
+ (void)CheckTestSuiteMove(mv, iScore, uDepth);
+ break;
+ }
+
+ //
+ // Root fail low? We'll have to research with a wider
+ // window.
+ //
+ else if (iScore <= iAlpha)
+ {
+ ASSERT(ctx->mvRootMove.uMove);
+ g_MoveTimer.bvFlags |= TIMER_RESOLVING_ROOT_FL;
+ uNumRootFailLows++;
+ if (uNumRootFailLows > 3)
+ {
+ g_MoveTimer.bvFlags |= TIMER_MANY_ROOT_FLS;
+ }
+ _IterateWidenWindow(uColor, iScore, &iAlpha, &uFailState, -1);
+
+ //
+ // Consider all moves again with wider window...
+ //
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++)
+ {
+ ctx->sMoveStack.mvf[u].bvFlags &= ~MVF_MOVE_SEARCHED;
+ }
+ }
+
+ //
+ // Must be a root fail high.
+ //
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(&ctx->sPosition, mv));
+ g_MoveTimer.bvFlags |= TIMER_RESOLVING_ROOT_FH;
+ _IterateWidenWindow(uColor, iScore, &iBeta, &uFailState, +1);
+ }
+ }
+ while(1); // repeat until we run out of time or fall inside a..b
+
+ //
+ // We are here because either:
+ //
+ // 1. we completed a search depth,
+ // or 2. we ran out of time,
+ // or 3. there is one legal move and we want to make it immediately,
+ // or 4. there was user input and we unrolled the search.
+ //
+
+ //
+ // TODO: Scale back history between iterative depths?
+ //
+
+ //
+ // Mate-in-n when we have searched n? Stop searching.
+ //
+ if (IS_VALID_SCORE(iScore) &&
+ (ULONG)abs(iScore) >= (INFINITY - uDepth))
+ {
+ Trace("FORCED MATE --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ }
+
+ //
+ // Have we reached user's maxdepth option? Stop searching.
+ //
+ if (uDepth >= g_Options.uMaxDepth)
+ {
+ Trace("DEPTH LIMIT --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ }
+
+ //
+ // Did the move timer expire? Stop searching.
+ //
+ if (g_MoveTimer.bvFlags & TIMER_STOPPING) break;
+ }
+ g_Options.u64NodesSearched = ctx->sCounters.tree.u64TotalNodeCount;
+ g_MoveTimer.dEndTime = SystemTimeStamp();
+
+ //
+ // Here we are at the end of a search. If we were:
+ //
+ // ...Searching then: ...Pondering then:
+ //
+ // 1. we ran out of time 1. they made a different move than
+ // the predicted move and we aborted
+ // 2. we ran out of depth
+ // 2. we ran out of depth
+ // 3. we found a mate-in-n
+ // 3. we found a mate-in-n
+ // TODO: node count limit?
+ // (4. if they made the predicted move
+ // then we converted to a search)
+ //
+ ASSERT(ctx->mvRootMove.uMove);
+ ASSERT(SanityCheckMove(&board, ctx->mvRootMove));
+ if (g_MoveTimer.bvFlags & TIMER_RESOLVING_ROOT_FL)
+ {
+ ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly] = ctx->mvRootMove;
+ ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly+1] = NULLMOVE;
+ }
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+ end:
+ return ret;
+}
+
+void
+MakeTheMove(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Make the move that search selected in the official game list.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG
+
+**/
+{
+ MOVE mv = ctx->mvRootMove;
+ ASSERT(mv.uMove);
+
+ if (TRUE == g_Options.fThinking)
+ {
+ //
+ // TODO: keep track of how many moves in a row we are at or
+ // below a draw score and use this to respond to draw offers.
+ //
+
+ //
+ // Was this a search that converted from a ponder?
+ //
+ if (TRUE == g_Options.fSuccessfulPonder)
+ {
+ if (FALSE == OfficiallyMakeMove(g_Options.mvPonder, 0, FALSE))
+ {
+ UtilPanic(CANNOT_OFFICIALLY_MAKE_MOVE,
+ GetRootPosition(),
+ (void *)g_Options.mvPonder.uMove,
+ NULL,
+ NULL,
+ __FILE__,
+ __LINE__);
+ }
+ g_Options.fSuccessfulPonder = FALSE;
+ }
+
+ //
+ // Tell the server about our move and actually play it on the
+ // root board.
+ //
+ Trace("move %s\n", MoveToSan(mv, &ctx->sPosition));
+ if (FALSE == OfficiallyMakeMove(mv, g_iScore, FALSE))
+ {
+ UtilPanic(CANNOT_OFFICIALLY_MAKE_MOVE,
+ GetRootPosition(),
+ (void *)mv.uMove,
+ NULL,
+ NULL,
+ __FILE__,
+ __LINE__);
+ }
+ if (g_Options.fVerbosePosting)
+ {
+ PostMoveSearchReport(ctx);
+ PostMoveTestSuiteReport(ctx);
+ }
+ }
+ g_Options.fPondering = g_Options.fThinking = FALSE;
+}
+
+
+GAME_RESULT
+Ponder(POSITION *pos)
+/**
+
+Routine description:
+
+ Prepare to ponder.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static SEARCHER_THREAD_CONTEXT ctx;
+ GAME_RESULT ret;
+
+ InitializeSearcherContext(pos, &ctx);
+ g_Options.fPondering = TRUE;
+ g_Options.fThinking = FALSE;
+ g_Options.fSuccessfulPonder = FALSE;
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+
+ //
+ // When do we not want to ponder
+ //
+ if ((g_Options.ePlayMode == FORCE_MODE) || (g_Options.uMyClock < 10))
+ {
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+
+ //
+ // What should we ponder?
+ //
+ g_Options.mvPonder = GetPonderMove(pos);
+ if (g_Options.mvPonder.uMove == 0)
+ {
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+ ASSERT(SanityCheckMove(pos, g_Options.mvPonder));
+
+ //
+ // Prepare to ponder by doing some maintenance on the dynamic move
+ // ordering scheme counters, changing the dirty tag in the hash
+ // code, and clearing the root nodes-per-move hash.
+ //
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ //
+ // Make the move ponder move.
+ //
+ if (FALSE == MakeMove(&ctx, g_Options.mvPonder))
+ {
+ ASSERT(FALSE);
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+
+ //
+ // TODO: probe the book
+ //
+
+ _SetMoveTimerForPonder();
+
+ //
+ // TODO: Any preEval?
+ //
+
+ //
+ // TODO: Set draw value
+ //
+
+ MakeStatusLine();
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ ASSERT(ctx.uPly == 1);
+ ret = Iterate(&ctx);
+ ASSERT(ctx.uPly == 1);
+ if (ret.eResult == RESULT_IN_PROGRESS) {
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ } else {
+ return ret;
+ }
+}
+
+
+GAME_RESULT Think(POSITION *pos)
+/**
+
+Routine description:
+
+ Prepare to think.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static SEARCHER_THREAD_CONTEXT ctx;
+ MOVE mvBook;
+ CHAR *p;
+
+ InitializeSearcherContext(pos, &ctx);
+ g_MoveTimer.bvFlags = 0;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ g_Options.fSuccessfulPonder = FALSE;
+
+ //
+ // Prepare to think by doing some maintenance on the dynamic move
+ // ordering scheme counters, changing the dirty tag in the hash
+ // code, and clearing the root nodes-per-move hash.
+ //
+ if (NULL != (p = PositionToFen(&(ctx.sPosition))))
+ {
+ Trace("The root position is: %s\n", p);
+ SystemFreeMemory(p);
+ }
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ //
+ // Check the opening book, maybe it has a move for us.
+ //
+ if ((g_uBookProbeFailures < 3) && (!WeAreRunningASuite()))
+ {
+ mvBook = BookMove(pos, BOOKMOVE_SELECT_MOVE);
+ if (mvBook.uMove == 0)
+ {
+ g_uBookProbeFailures++;
+ }
+ else
+ {
+ g_uBookProbeFailures = 0;
+ ASSERT(SanityCheckMove(pos, mvBook));
+ ctx.mvRootMove = mvBook;
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ }
+ }
+
+ //
+ // TODO: Any preEval?
+ //
+
+ //
+ // Set time limit for move
+ //
+ SetMoveTimerForSearch(FALSE, pos->uToMove);
+
+ //
+ // TODO: Set draw value
+ //
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ GAME_RESULT ret = Iterate(&ctx);
+ if (ret.eResult == RESULT_IN_PROGRESS) {
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ } else {
+ return ret;
+ }
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ util.c
+
+Abstract:
+
+ General purpose utility code to support the engine.
+
+Author:
+
+
+Revision History:
+
+ $Id: util.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uIterateDepth;
+extern ULONG g_uFullWidthDepth;
+
+#define STATE_UNKNOWN (0)
+#define STATE_HEADER (1)
+#define STATE_MOVELIST (2)
+
+CHAR *
+ReadNextGameFromPgnFile(FILE *pf)
+/**
+
+Routine description:
+
+ Reads the next game in a PGN file and returns a pointer to it.
+
+Parameters:
+
+ FILE *pf : open file pointer
+
+Return value:
+
+ CHAR * : NULL on error, else caller must free via SystemFreeMemory.
+
+**/
+{
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ CHAR *p;
+ long lStartOfGame = -1;
+ long lEndOfGame = -1;
+ long lBefore;
+ ULONG uBytes;
+ ULONG uState = STATE_UNKNOWN;
+
+ while(1)
+ {
+ lBefore = ftell(pf);
+ if (fgets(buf, ARRAY_LENGTH(buf), pf) <= 0)
+ {
+ //Trace("fgets failed, errno=%u.\n", errno);
+ break;
+ }
+
+ //
+ // Skip leading whitespace on this line...
+ //
+ p = buf;
+ while(*p && isspace(*p)) p++;
+
+ if (*p == '\0')
+ {
+ //
+ // We just read a blank line
+ //
+ switch(uState)
+ {
+ case STATE_UNKNOWN:
+ break;
+
+ case STATE_HEADER:
+ uState = STATE_MOVELIST;
+ break;
+
+ case STATE_MOVELIST:
+ lEndOfGame = lBefore;
+ uBytes = lEndOfGame - lStartOfGame;
+ if (uBytes <= 0)
+ {
+ return(NULL);
+ }
+
+ p = SystemAllocateMemory(uBytes + 1);
+ ASSERT(p);
+ fseek(pf, lStartOfGame, SEEK_SET);
+ if (1 != fread(p, uBytes, 1, pf))
+ {
+ SystemFreeMemory(p);
+ return(NULL);
+ }
+ p[uBytes] = '\0';
+ return(p);
+ }
+ }
+ else
+ {
+ //
+ // We saw a non-blank line
+ //
+ switch(uState)
+ {
+ case STATE_HEADER:
+ case STATE_MOVELIST:
+ break;
+
+ case STATE_UNKNOWN:
+ if (*p == '[')
+ {
+ uState = STATE_HEADER;
+ lStartOfGame = lBefore;
+ }
+ break;
+ }
+ }
+ }
+ return(NULL);
+}
+
+
+COMMAND(LearnPsqtFromPgn)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CHAR *szFilename;
+ ULONG uPSQT[12][128];
+ CHAR *pPGN;
+ FILE *pf = NULL;
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+ ULONG x, y, z;
+ double d;
+ struct stat s;
+#ifdef DEBUG
+ ULONG uHeap;
+#endif
+
+ if (argc < 2)
+ {
+ Trace("Error (missing filename)\n");
+ return;
+ }
+ szFilename = argv[1];
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("LearnPsqtFromPgn: file \"%s\" doesn't exist.\n",
+ szFilename);
+ return;
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("Stat failed.\n");
+ return;
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("LearnPsqtFromPgn: error reading file \"%s\".\n",
+ szFilename);
+ return;
+ }
+
+ memset(uPSQT, 0, sizeof(uPSQT));
+#ifdef DEBUG
+ ResetGameList();
+ uHeap = GetHeapMemoryUsage();
+#endif
+ while((pPGN = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ d = (double)ftell(pf);
+ d /= (double)s.st_size;
+ d *= 100.0;
+ printf("(%5.2f%% done)\r", d);
+
+ if (TRUE == LoadPgn(pPGN))
+ {
+ p = g_GameData.sMoveList.pFlink;
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if ((q->uNumber > 10) &&
+ (q->uNumber < 50) &&
+ (!q->mv.pCaptured))
+ {
+ uPSQT[q->mv.pMoved - 2][q->mv.cTo] += 1;
+ }
+ p = p->pFlink;
+ }
+ }
+ SystemFreeMemory(pPGN);
+#ifdef DEBUG
+ ResetGameList();
+ ASSERT(uHeap == GetHeapMemoryUsage());
+#endif
+ }
+ fclose(pf);
+
+ z = 0;
+ for (x = 0; x < 12; x++)
+ {
+ for (y = 0; y < 128; y++)
+ {
+ if (uPSQT[x][y] > z)
+ {
+ z = uPSQT[x][y];
+ }
+ }
+ }
+
+ Trace("ULONG g_PSQT[12][128] = {\n");
+ for (x = 0; x < 12; x++)
+ {
+ Trace("// Piece 0x%x (%s)\n", x + 2, PieceAbbrev((PIECE)(x + 2)));
+ Trace("{\n");
+
+ for (y = 0; y < 128; y++)
+ {
+ if (y % 16 == 0) Trace("\n");
+ d = (double)uPSQT[x][y];
+ d /= (double)z;
+ d *= (double)1000.0;
+ Trace("%4u,", (ULONG)d);
+ }
+ Trace("},\n");
+ }
+ Trace("};\n");
+}
+
+
+COMMAND(GeneratePositionAndBestMoveSuite)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CHAR *szFilename;
+ CHAR *pPGN;
+ FILE *pf = NULL;
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+ SEARCHER_THREAD_CONTEXT *ctx = NULL;
+ FLAG fPost = g_Options.fShouldPost;
+ struct stat s;
+ double d;
+ POSITION board;
+
+ if (argc < 2)
+ {
+ Trace("Error (missing filename)\n");
+ goto end;
+ }
+ szFilename = argv[1];
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("LearnPsqtFromPgn: file \"%s\" doesn't exist.\n",
+ szFilename);
+ goto end;
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("Stat failed.\n");
+ goto end;
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("LearnPsqtFromPgn: error reading file \"%s\".\n",
+ szFilename);
+ goto end;
+ }
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ if (NULL == ctx)
+ {
+ Trace("Out of memory.\n");
+ goto end;
+ }
+
+ g_Options.fShouldPost = FALSE;
+ while((pPGN = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ d = (double)ftell(pf);
+ d /= (double)s.st_size;
+ d *= 100.0;
+ printf("(%5.2f%% done)\r", d);
+
+ if (TRUE == LoadPgn(pPGN))
+ {
+ p = g_GameData.sMoveList.pFlink;
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if ((q->uNumber > 20) && (q->uNumber < 60))
+ {
+ if (FenToPosition(&board, q->szUndoPositionFen))
+ {
+ InitializeSearcherContext(&board, ctx);
+ g_MoveTimer.bvFlags = 0;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ g_Options.fSuccessfulPonder = FALSE;
+
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ g_MoveTimer.uNodeCheckMask = 0x1000 - 1;
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.bvFlags = 0;
+ g_MoveTimer.dSoftTimeLimit =
+ g_MoveTimer.dStartTime + 3.0;
+ g_MoveTimer.dHardTimeLimit =
+ g_MoveTimer.dStartTime + 3.0;
+ g_Options.uMaxDepth = MAX_DEPTH_PER_SEARCH - 1;
+
+ //
+ // TODO: Set draw value
+ //
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ GAME_RESULT result = Iterate(ctx);
+ if (result.eResult == RESULT_IN_PROGRESS) {
+ ASSERT(SanityCheckMove(&board,
+ ctx->sPlyInfo[0].PV[0]));
+ Trace("setboard %s\n", q->szUndoPositionFen);
+ Trace("gmmove %s\n", q->szMoveInSan);
+ Trace("solution %s\n",
+ MoveToSan(ctx->sPlyInfo[0].PV[0], &board));
+ }
+ }
+ }
+ p = p->pFlink;
+ }
+ }
+ SystemFreeMemory(pPGN);
+ }
+
+ end:
+ if (NULL != pf)
+ {
+ fclose(pf);
+ }
+
+ if (NULL != ctx)
+ {
+ SystemFreeMemory(ctx);
+ }
+
+ g_Options.fShouldPost = fPost;
+}
+
+
+char *
+FindChunk(char *sz, ULONG uTargetChunk)
+/**
+
+Routine description:
+
+ A support routine used by FenToPosition. Used to parse apart a
+ string and return the Nth chunk of text (delimited by whitespace)
+
+Parameters:
+
+ char *sz,
+ ULONG uTargetChunk
+
+Return value:
+
+ char *
+
+**/
+{
+ char *p = sz;
+ ULONG u = 0;
+
+ if (0 == uTargetChunk) return(p);
+
+ do
+ {
+ //
+ // Skip whitespace between chunks
+ //
+ while(isspace(*p) && *p) p++;
+ if (!*p) return(NULL);
+
+ u++;
+ if (u == uTargetChunk) return(p);
+
+ //
+ // Skip chunks
+ //
+ while(!isspace(*p) && &p) p++;
+ if (!*p) return(NULL);
+ }
+ while(1);
+
+#ifdef DEBUG
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+#endif
+ return(NULL);
+}
+
+
+
+CHAR *
+ScoreToString(SCORE iScore)
+/**
+
+Routine description:
+
+ Format a chess score as a string that looks like:
+
+ +0.100
+ -4.951
+ +MATE20
+ -MATE4
+ +0.000
+
+ etc...
+
+ Note: NOT thread safe.
+
+Parameters:
+
+ SCORE iScore
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static char szBuf[10];
+ ULONG uDist;
+
+ if (abs(iScore) < +NMATE)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf),
+ "%c%u.%02u",
+ (iScore < 0) ? '-' : '+',
+ abs(iScore / 100),
+ abs(iScore % 100));
+ return(szBuf);
+ }
+
+ if (iScore > 0)
+ {
+ uDist = +INFINITY - iScore;
+ uDist /= 2;
+ if (uDist)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "+MATE%u", uDist);
+ }
+ else
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "+MATE");
+ }
+ }
+ else
+ {
+ uDist = +INFINITY + iScore;
+ uDist /= 2;
+ if (uDist)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "-MATE%u", uDist);
+ }
+ else
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "-MATE");
+ }
+ }
+ return(szBuf);
+}
+
+
+
+CHAR *
+CoorToString(COOR c)
+/**
+
+Routine description:
+
+ Take a chessboard coordinate and convert it into a string. Note:
+ NOT thread safe.
+
+Parameters:
+
+ COOR c
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static char buf[3];
+
+ if (IS_ON_BOARD(c))
+ {
+ buf[0] = 'a' + FILE(c);
+ buf[1] = '0' + RANK(c);
+ buf[2] = '\0';
+ }
+ else
+ {
+ buf[0] = '-';
+ buf[1] = '\0';
+ }
+ return(buf);
+}
+
+
+CHAR *
+ColorToString(ULONG u)
+/**
+
+Routine description:
+
+ Convert a color into a string ("WHITE" or "BLACK"). Callers
+ should not mess with the contents of the buffer returned!
+
+Parameters:
+
+ ULONG u
+
+Return value:
+
+ char
+
+**/
+{
+ static CHAR *szColor[2] =
+ {
+ "BLACK",
+ "WHITE"
+ };
+ ASSERT(IS_VALID_COLOR(u));
+ return(szColor[u]);
+}
+
+
+CHAR *
+TimeToString(double d)
+/**
+
+Routine description:
+
+ Convert a time value into a string. e.g.
+
+ 00:00:01.021 // seconds with ms
+ 00:15:21.998 // minutes+seconds
+ 01:59:23.232 // hours+minutes+sec
+ 27:08:11:103 // we don't do days
+
+ Note: NOT thread safe. The caller should not mess with the
+ buffer returned.
+
+Parameters:
+
+ double d
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ ULONG uTotalSecs = (ULONG)d;
+ double dFract = d - (double)uTotalSecs;
+ ULONG uHours;
+ ULONG uMinutes;
+ ULONG uFract;
+ static char buf[13];
+
+ dFract *= 1000;
+ uFract = (int)dFract;
+ uHours = uTotalSecs / 60 / 60;
+ uTotalSecs -= uHours * 60 * 60;
+ uMinutes = uTotalSecs / 60;
+ uTotalSecs -= uMinutes * 60;
+ ASSERT(uTotalSecs < 60);
+
+ if (uHours != 0)
+ {
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%2u:%02u:%02u.%03u",
+ uHours, uMinutes, uTotalSecs, uFract);
+ }
+ else
+ {
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%02u:%02u.%03u",
+ uMinutes, uTotalSecs, uFract);
+ }
+ return(buf);
+}
+
+
+FLAG
+BufferIsZeroed(BYTE *p, ULONG u)
+/**
+
+Routine description:
+
+ Verify that a buffer is zeroed out.
+
+Parameters:
+
+ BYTE *p : buffer start
+ ULONG u : buffer length
+
+Return value:
+
+ FLAG
+
+**/
+{
+ while(u)
+ {
+ if (*p != (BYTE)0)
+ {
+ return(FALSE);
+ }
+ p++;
+ u--;
+ }
+ return(TRUE);
+}
+
+
+void CDECL
+Trace(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace a logging message on stdout and to the logfile
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send to logfile
+ //
+ if (NULL != g_pfLogfile)
+ {
+ fprintf(g_pfLogfile, buf);
+ }
+
+ //
+ // Send to stdout
+ //
+ fprintf(stdout, buf);
+ fflush(stdout);
+}
+
+
+void CDECL
+Log(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace a logging message to the logfile only
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send to logfile
+ //
+ if (NULL != g_pfLogfile)
+ {
+ fprintf(g_pfLogfile, buf);
+ }
+}
+
+
+void CDECL
+Bug(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace an error message to stderr and the logfile
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send it to logfile
+ //
+ if (NULL != g_pfLogfile)
+ {
+ fprintf(g_pfLogfile, buf);
+ fflush(g_pfLogfile);
+ }
+
+ //
+ // Send it to stderr
+ //
+ fprintf(stderr, buf);
+ fflush(stderr);
+}
+
+
+#ifdef DEBUG
+void
+_assert(CHAR *szFile, ULONG uLine)
+/**
+
+Routine description:
+
+ An assertion handler
+
+Parameters:
+
+ CHAR *szFile,
+ UINT uLine
+
+Return value:
+
+ void
+
+**/
+{
+ Bug("Assertion failure in %s, line %u.\n", szFile, uLine);
+ BREAKPOINT;
+}
+#endif
+
+
+ULONG
+AcquireSpinLock(volatile ULONG *pSpinlock)
+/**
+
+Routine description:
+
+ Atomically acquire a lock or spin trying.
+
+Parameters:
+
+ ULONG *pSpinlock : a pointer to the lock
+
+Return value:
+
+ ULONG : the number of times we had to spin
+
+**/
+{
+ ULONG uLoops = 0;
+ while(0 != LockCompareExchange(pSpinlock, 1, 0))
+ {
+ uLoops++;
+ }
+ ASSERT(*pSpinlock == 1);
+ return(uLoops);
+}
+
+FLAG
+TryAcquireSpinLock(volatile ULONG *pSpinlock)
+{
+ return(0 != LockCompareExchange(pSpinlock, 1, 0));
+}
+
+void
+ReleaseSpinLock(volatile ULONG *pSpinlock)
+/**
+
+Routine description:
+
+ Release a lock so someone else can acquire it.
+
+Parameters:
+
+ ULONG *pSpinlock : a pointer to the lock
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ ASSERT(*pSpinlock == 1);
+ u = LockCompareExchange(pSpinlock, 0, 1);
+ ASSERT(u == 1);
+}
+
+
+FLAG
+BackupFile(CHAR *szFile)
+/**
+
+Routine description:
+
+ Backup a file to file.000. If file.000 already exists, back it up
+ to file.001 etc...
+
+ Note: this function is recursive and can require quite a lot of
+ stack space. Also it is full of race conditions and should not be
+ used when some other code may be accessing the filesystem at the
+ same time.
+
+Parameters:
+
+ CHAR *szFile : the file to backup
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG u;
+ CHAR buf[SMALL_STRING_LEN_CHAR];
+ CHAR *p;
+
+ if (TRUE == SystemDoesFileExist(szFile))
+ {
+ if ((strlen(szFile) > 3) &&
+ (isdigit(szFile[0])) &&
+ (isdigit(szFile[1])) &&
+ (isdigit(szFile[2])))
+ {
+ u = (szFile[0] - '0') * 100;
+ u += (szFile[1] - '0') * 10;
+ u += szFile[2] - '0' + 1;
+ p = &(szFile[3]);
+ }
+ else
+ {
+ u = 0;
+ p = szFile;
+ }
+ snprintf(buf, ARRAY_LENGTH(buf), "%03u%s", u, p);
+ if (TRUE == SystemDoesFileExist(buf))
+ {
+ BackupFile(buf);
+ }
+ return(SystemCopyFile(szFile, buf) && SystemDeleteFile(szFile));
+ }
+ return(FALSE);
+}
+
+
+BYTE
+Checksum(BYTE *p, ULONG uSize)
+/**
+
+Routine description:
+
+ Compute the checksum of a buffer.
+
+Parameters:
+
+ BYTE *p,
+ ULONG uSize
+
+Return value:
+
+ BYTE
+
+**/
+{
+ BYTE b = 0;
+ while(uSize)
+ {
+ b ^= *p;
+ p++;
+ uSize--;
+ }
+ return(b);
+}
+
+void
+FinishPVTailFromHash(SEARCHER_THREAD_CONTEXT *ctx,
+ CHAR *buf,
+ ULONG uLenRemain)
+{
+ MOVE PV[MAX_PLY_PER_SEARCH];
+ MOVE mv;
+ ULONG uPly = ctx->uPly;
+ ULONG uLen;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+
+ if (NULL == g_pHashTable) return;
+ do
+ {
+ mv = GetPonderMove(&ctx->sPosition);
+ if (mv.uMove == 0) break;
+ PV[ctx->uPly] = mv;
+
+ uLen = (ULONG)strlen(MoveToSan(mv, &ctx->sPosition)) + 1;
+ ASSERT(uLen <= 11);
+ if (uLenRemain <= uLen) break;
+ strcat(buf, MoveToSan(PV[ctx->uPly], &ctx->sPosition));
+ strcat(buf, " ");
+ uLenRemain -= uLen;
+
+ if (FALSE == MakeMove(ctx, mv)) break;
+ }
+ while(1);
+
+ //
+ // Unmake the moves
+ //
+ while(ctx->uPly > uPly)
+ {
+ UnmakeMove(ctx, PV[ctx->uPly - 1]);
+ }
+ ASSERT(ctx->uPly == uPly);
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+}
+
+
+
+char *
+WalkPV(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Return a string buffer representing the principle variation.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static CHAR buf[SMALL_STRING_LEN_CHAR];
+ ULONG u = ctx->uPly;
+ ULONG v = u;
+ MOVE mv;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+
+ buf[0] = '\0';
+ while((mv.uMove = ctx->sPlyInfo[v].PV[u].uMove) != 0)
+ {
+ if (mv.uMove == HASHMOVE.uMove)
+ {
+ strncat(buf, "<TT> ", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ FinishPVTailFromHash(ctx, buf, ARRAY_LENGTH(buf) - strlen(buf));
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else if (mv.uMove == RECOGNMOVE.uMove)
+ {
+ strncat(buf, "<REC>", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else if (mv.uMove == DRAWMOVE.uMove)
+ {
+ strncat(buf, "<=>", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else
+ {
+ strncat(buf, MoveToSan(mv, &ctx->sPosition),
+ ARRAY_LENGTH(buf) - strlen(buf));
+ strncat(buf, " ", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ }
+
+ if (FALSE == MakeMove(ctx, mv)) break;
+ u++;
+
+ if (strlen(buf) > (SMALL_STRING_LEN_CHAR - 10)) break;
+ }
+
+ //
+ // Unmake the moves
+ //
+ u--;
+ while(ctx->uPly > v)
+ {
+ UnmakeMove(ctx, ctx->sPlyInfo[v].PV[u]);
+ u--;
+ }
+ ASSERT(ctx->uPly == v);
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+ return(buf);
+}
+
+
+void
+UtilPanic(ULONG uPanicCode,
+ POSITION *pos,
+ void *arg1, void *arg2, void *arg3,
+ char *szFile, ULONG uLine)
+{
+ Bug("Typhoon PANIC 0x%x (%p, %p, %p, %p)\n"
+ "Location: %s at line %u\n\n",
+ uPanicCode, pos, arg1, arg2, arg3, szFile, uLine);
+ Banner();
+ Bug("----------------------------------------------------------------\n");
+ switch(uPanicCode) {
+ case CANNOT_INITIALIZE_SPLIT:
+ case GOT_ILLEGAL_MOVE_WHILE_PONDERING:
+ case CANNOT_OFFICIALLY_MAKE_MOVE:
+ DumpPosition(pos);
+ DumpMove((ULONG)arg1);
+ break;
+ case INITIALIZATION_FAILURE:
+ Bug("%s\n", (char *)arg1);
+ break;
+ default:
+ break;
+ }
+ fflush(stdout);
+ fflush(g_pfLogfile);
+ BREAKPOINT;
+ exit(-1);
+}
+
+void
+UtilPrintPV(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv)
+/**
+
+Routine description:
+
+ Print a PV out to stdout and the log.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv
+
+Return value:
+
+ void
+
+**/
+{
+ double dNow = SystemTimeStamp();
+
+ ASSERT(ctx->uThreadNumber == 0);
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(IS_VALID_SCORE(iScore));
+
+ dNow -= g_MoveTimer.dStartTime;
+
+ //
+ // Set the last PV in the context if we have a root PV or a root
+ // fail high.
+ //
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ strncpy(ctx->szLastPV, WalkPV(ctx), SMALL_STRING_LEN_CHAR);
+ }
+ else if (iScore > iBeta)
+ {
+ strncpy(ctx->szLastPV, MoveToSan(mv, &(ctx->sPosition)),
+ SMALL_STRING_LEN_CHAR);
+ }
+
+ if ((TRUE == g_Options.fThinking) && (TRUE == g_Options.fShouldPost))
+ {
+ //
+ // Maybe output the PV. Note: xboard gets confused by PV
+ // lines that don't match its requirements exactly; if we are
+ // running under xboard, match its expected format. Otherwise
+ // be more helpful / verbose.
+ //
+ if ((dNow > 0.35) || ((dNow > 0.15) && (g_Options.fVerbosePosting)))
+ {
+ if (TRUE == g_Options.fRunningUnderXboard)
+ {
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ else if (iScore <= iAlpha)
+ {
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" FL --\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount);
+ }
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s ++\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ }
+ else // !running under xboard
+ {
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ Trace("%2u %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ else if (iScore <= iAlpha)
+ {
+ Trace("%2u- %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" FL --\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount);
+ }
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ Trace("%2u+ %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s ++\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ }
+ }
+ }
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ vars.c
+
+Abstract:
+
+ This is code that implements variables in the engine. Some of
+ these variables are read only but others can be set by the engine
+ user to affect certain aspects of engine operation.
+
+Author:
+
+
+Revision History:
+
+ $Id: vars.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uNumInputEvents;
+
+typedef void(PUSERVARFUN)(void);
+
+//
+// Here's how we expose engine variables to the user.
+//
+typedef struct _USER_VARIABLE
+{
+ char *szName; // variable name
+ char *szType; // variable type:
+ // * - char *, strdup/free
+ // H - hash size
+ // B - boolean
+ // U - unsigned
+ // I - int
+ // M - move
+ // D - double
+ // S - string buffer
+ void *pValue; // pointer to value
+ PUSERVARFUN *pFunction; // funct to call when it changes
+} USER_VARIABLE;
+
+extern ULONG g_uBookProbeFailures;
+
+USER_VARIABLE g_UserVarList[] =
+{
+ { "AnnounceOpening",
+ "B",
+ (void *)&(g_Options.fShouldAnnounceOpening),
+ NULL },
+ { "BatchMode",
+ "b",
+ (void *)&(g_Options.fNoInputThread),
+ NULL },
+ { "BlackPlayer",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].szName),
+ NULL },
+ { "BlackRating",
+ "U",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].uRating),
+ NULL },
+ { "BlackDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].szDescription),
+ NULL },
+ { "BlackIsComputer",
+ "B",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].fIsComputer),
+ NULL },
+ { "BookFileName",
+ "S",
+ (void *)&(g_Options.szBookName),
+ NULL },
+ { "BookProbeFailures",
+ "u",
+ (void *)&(g_uBookProbeFailures),
+ NULL },
+ { "ComputerTimeRemainingSec",
+ "U",
+ (void *)&(g_Options.uOpponentsClock),
+ NULL }, //&DoVerifyClocks },
+ { "EGTBPath",
+ "S",
+ (void *)&(g_Options.szEGTBPath),
+ InitializeEGTB },
+ { "FastScript",
+ "B",
+ (void *)&(g_Options.fFastScript),
+ NULL },
+ { "GameDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.szGameDescription),
+ NULL },
+ { "GameLocation",
+ "*",
+ (void *)&(g_GameData.sHeader.szLocation),
+ NULL },
+ { "GameIsRated",
+ "B",
+ (void *)&(g_GameData.sHeader.fGameIsRated),
+ NULL },
+ { "GameResultComment",
+ "*",
+ (void *)&(g_GameData.sHeader.szResultComment),
+ NULL },
+ { "LastEval",
+ "I",
+ (void *)&(g_Options.iLastEvalScore),
+ NULL },
+ { "LogfileName",
+ "S",
+ (void *)&(g_Options.szLogfile),
+ NULL },
+ { "MoveToPonder",
+ "m",
+ (void *)&(g_Options.mvPonder),
+ NULL },
+ { "MovesPerTimePeriod",
+ "U",
+ (void *)&(g_Options.uMovesPerTimePeriod),
+ NULL },
+ { "OpponentTimeRemainingSec",
+ "U",
+ (void *)&(g_Options.uMyClock),
+ NULL }, //&DoVerifyClocks },
+ { "PendingInputEvents",
+ "u",
+ (void *)&(g_uNumInputEvents),
+ NULL },
+ { "PonderingNow",
+ "b",
+ (void *)&(g_Options.fPondering),
+ NULL },
+ { "PostLines",
+ "B",
+ (void *)&(g_Options.fShouldPost),
+ NULL },
+ { "Resign",
+ "B",
+ (void *)&(g_Options.fShouldResign),
+ NULL },
+ { "SearchDepthLimit",
+ "U",
+ (void *)&(g_Options.uMaxDepth),
+ NULL }, //&DoVerifySearchDepth },
+ { "SearchTimeLimit",
+ "U",
+ (void *)&(g_Options.uMyIncrement),
+ NULL }, //&DoVerifySearchTime },
+ { "SearchStartedTime",
+ "d",
+ (void *)&(g_MoveTimer.dStartTime),
+ NULL },
+ { "SearchSoftTimeLimit",
+ "d",
+ (void *)&(g_MoveTimer.dSoftTimeLimit),
+ NULL },
+ { "SearchHardTimeLimit",
+ "d",
+ (void *)&(g_MoveTimer.dHardTimeLimit),
+ NULL },
+ { "SearchNodesBetweenTimeCheck",
+ "u",
+ (void *)&(g_MoveTimer.uNodeCheckMask),
+ NULL },
+ { "StatusLine",
+ "B",
+ (void *)&(g_Options.fStatusLine),
+ NULL },
+ { "ThinkOnOpponentsTime",
+ "B",
+ (void *)&(g_Options.fShouldPonder),
+ NULL },
+ { "ThinkingNow",
+ "b",
+ (void *)&(g_Options.fThinking),
+ NULL },
+ { "TournamentMode",
+ "B",
+ (void *)&(g_fTournamentMode),
+ NULL },
+ { "VerbosePosting",
+ "B",
+ (void *)&(g_Options.fVerbosePosting),
+ NULL },
+ { "WhitePlayer",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].szName),
+ NULL },
+ { "WhiteRating",
+ "U",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].uRating),
+ NULL },
+ { "WhiteDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].szDescription),
+ NULL },
+ { "WhiteIsComputer",
+ "B",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].fIsComputer),
+ NULL },
+ { "Xboard",
+ "B",
+ (void *)&(g_Options.fRunningUnderXboard),
+ NULL }
+};
+
+
+
+
+COMMAND(SetCommand)
+/**
+
+Routine description:
+
+ This function implements the 'set' engine command.
+
+ Usage:
+
+ set [variable name [value]]
+
+ With no arguments, set dumps a list of all variables and their
+ current values.
+
+ With one argument, set displays the specified variable's value.
+
+ With two arguments, set changes the value of the specified
+ variable to the given value.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x, y;
+ FLAG fFound;
+
+ if (argc == 1)
+ {
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ switch(toupper(g_UserVarList[x].szType[0]))
+ {
+ case 'H':
+ case 'U':
+ Trace("%-28s => %u\n",
+ g_UserVarList[x].szName,
+ *((unsigned int *)g_UserVarList[x].pValue));
+ break;
+ case 'I':
+ Trace("%-28s => %d\n",
+ g_UserVarList[x].szName,
+ *((int *)g_UserVarList[x].pValue));
+ break;
+ case 'S':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (char *)g_UserVarList[x].pValue);
+ break;
+ case 'M':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ MoveToIcs(*((MOVE *)g_UserVarList[x].pValue)));
+ break;
+ case 'B':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (*((FLAG *)g_UserVarList[x].pValue) == TRUE) ?
+ "TRUE" : "FALSE");
+ break;
+ case 'D':
+ Trace("%-28s => %f\n",
+ g_UserVarList[x].szName,
+ *((double *)g_UserVarList[x].pValue));
+ break;
+ case '*':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ *((char **)g_UserVarList[x].pValue));
+ break;
+ default:
+ Trace("%-28s => ???\n",
+ g_UserVarList[x].szName);
+ // ASSERT(FALSE);
+ break;
+ }
+ }
+ return;
+ }
+ else if (argc == 2)
+ {
+ fFound = FALSE;
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ if (!STRNCMPI(argv[1],
+ g_UserVarList[x].szName,
+ strlen(argv[1])))
+ {
+ fFound = TRUE;
+ switch(toupper(g_UserVarList[x].szType[0]))
+ {
+ case 'H':
+ case 'U':
+ Trace("%-28s => %u\n",
+ g_UserVarList[x].szName,
+ *((unsigned int *)g_UserVarList[x].pValue));
+ break;
+ case 'I':
+ Trace("%-28s => %d\n",
+ g_UserVarList[x].szName,
+ *((int *)g_UserVarList[x].pValue));
+ break;
+ case 'S':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (char *)g_UserVarList[x].pValue);
+ break;
+ case 'M':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ MoveToIcs(*((MOVE *)g_UserVarList[x].pValue)));
+ break;
+ case 'B':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (*((FLAG *)g_UserVarList[x].pValue) == TRUE) ?
+ "TRUE" : "FALSE");
+ break;
+ case 'D':
+ Trace("%-28s => %f\n",
+ g_UserVarList[x].szName,
+ *((double *)g_UserVarList[x].pValue));
+ break;
+ case '*':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ *((char **)g_UserVarList[x].pValue));
+ break;
+ default:
+ Trace("%-28s => ???\n",
+ g_UserVarList[x].szName);
+ // ASSERT(FALSE);
+ break;
+ }
+ }
+ }
+
+ if (FALSE == fFound)
+ {
+ Trace("Error (invalid variable): %s\n", argv[1]);
+ }
+ return;
+ }
+ else
+ {
+ ASSERT(argc > 2);
+
+ fFound = FALSE;
+
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ if (!STRNCMPI(argv[1],
+ g_UserVarList[x].szName,
+ strlen(argv[1])))
+ {
+ fFound = TRUE;
+
+ if (islower(g_UserVarList[x].szType[0]))
+ {
+ Trace("Error (variable is read only): %s\n",
+ argv[1]);
+ }
+
+ switch(g_UserVarList[x].szType[0])
+ {
+ case 'H':
+ y = atoi(argv[2]);
+ if ((y < 0) || (y & (y - 1)))
+ {
+ Trace("Error (invalid size): %d\n", y);
+ }
+ else
+ {
+ *((int *)g_UserVarList[x].pValue) = y;
+ }
+ break;
+
+ case '*':
+ if (NULL != *((char **)g_UserVarList[x].pValue))
+ {
+ SystemFreeMemory( *((char **)g_UserVarList[x].pValue ) );
+ }
+ *((char **)g_UserVarList[x].pValue) = STRDUP(argv[2]);
+ if (NULL == *((char **)g_UserVarList[x].pValue))
+ {
+ Trace("Error (out of memory)\n");
+ return;
+ }
+ break;
+
+ case 'S':
+ strncpy(((char *)g_UserVarList[x].pValue),
+ argv[2],
+ 127);
+ break;
+
+ case 'U':
+ y = atoi(argv[2]);
+ if (y < 0)
+ {
+ Trace("Error (invalid value): %d\n", y);
+ return;
+ }
+ *((unsigned *)g_UserVarList[x].pValue) = y;
+ break;
+
+ case 'I':
+ y = atoi(argv[2]);
+ *((int *)g_UserVarList[x].pValue) = y;
+ break;
+
+ case 'B':
+ if (toupper(*(argv[2])) == 'T')
+ {
+ *((FLAG *)g_UserVarList[x].pValue) = TRUE;
+ }
+ else if (toupper(*(argv[2])) == 'F')
+ {
+ *((FLAG *)g_UserVarList[x].pValue) = FALSE;
+ }
+ else
+ {
+ Trace("Error (invalid value, must be TRUE or "
+ "FALSE): %s\n", argv[2]);
+ }
+ break;
+
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+
+ if (NULL != g_UserVarList[x].pFunction)
+ {
+ (void)(g_UserVarList[x].pFunction)();
+ }
+ }
+ }
+
+ if (FALSE == fFound)
+ {
+ Trace("Error (invalid variable): %s\n", argv[1]);
+ }
+ }
+}
+
+//
+// TODO: unset?
+//
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ chess.h
+
+Abstract:
+
+Author:
+
+
+Revision History:
+
+ $Id: chess.h 354 2008-06-30 05:10:08Z scott $
+
+**/
+
+#ifndef CHESS_
+#define CHESS_
+
+#include "compiler.h"
+
+//
+// Datatype wrappers
+//
+#define MIN_CHAR (0x80)
+#define MAX_CHAR (0x7f)
+typedef char CHAR;
+
+#define MIN_BYTE (0x00)
+#define MAX_BYTE (0xff)
+typedef unsigned char BYTE;
+
+#define MIN_UCHAR (0x00)
+#define MAX_UCHAR (0xff)
+typedef unsigned char UCHAR;
+#define CAN_FIT_IN_UCHAR(x) ((x) <= MAX_UCHAR)
+
+#define MIN_SHORT (0x8000)
+#define MAX_SHORT (0x7fff)
+typedef signed short SHORT;
+
+#define MIN_USHORT (0x0000)
+#define MAX_USHORT (0xffff)
+typedef unsigned short USHORT;
+#define CAN_FIT_IN_USHORT(x) ((x) <= MAX_USHORT)
+
+#define MIN_WORD (0x0000)
+#define MAX_WORD (0xffff)
+typedef unsigned short WORD;
+
+#define MIN_INT (0x80000000)
+#define MAX_INT (0x7fffffff)
+typedef signed int INT;
+
+#define MIN_DWORD (0x00000000)
+#define MAX_DWORD (0xffffffff)
+typedef unsigned int DWORD;
+
+#define MIN_UINT (0x00000000)
+#define MAX_UINT (0xffffffff)
+typedef unsigned int UINT;
+
+#define MIN_ULONG (0x00000000)
+#define MAX_ULONG (0xffffffff)
+typedef unsigned int ULONG;
+
+#define MIN_INT64 (0x8000000000000000)
+#define MAX_INT64 (0x7fffffffffffffff)
+typedef signed COMPILER_LONGLONG INT64;
+
+#define MIN_UINT64 (0x0000000000000000)
+#define MAX_UINT64 (0xffffffffffffffff)
+typedef unsigned COMPILER_LONGLONG UINT64;
+
+#define MIN_BITBOARD (0x0000000000000000)
+#define MAX_BITBOARD (0xffffffffffffffff)
+typedef UINT64 BITBOARD;
+
+#define MIN_BITV MIN_UINT
+#define MAX_BITV MAX_UINT
+typedef unsigned int BITV;
+
+#define MIN_FLAG MIN_UINT
+#define MAX_FLAG MAX_UINT
+typedef unsigned int FLAG;
+#define IS_VALID_FLAG(x) (((x) == TRUE) || ((x) == FALSE))
+
+typedef unsigned int COOR;
+typedef unsigned int PIECE;
+typedef signed int SCORE;
+
+#define BIT1 (0x1)
+#define BIT2 (0x2)
+#define BIT3 (0x4)
+#define BIT4 (0x8)
+#define BIT5 (0x10)
+#define BIT6 (0x20)
+#define BIT7 (0x40)
+#define BIT8 (0x80)
+#define BIT9 (0x100)
+#define BIT10 (0x200)
+#define BIT11 (0x400)
+#define BIT12 (0x800)
+#define BIT13 (0x1000)
+#define BIT14 (0x2000)
+#define BIT15 (0x4000)
+#define BIT16 (0x8000)
+#define BIT17 (0x10000)
+#define BIT18 (0x20000)
+#define BIT19 (0x40000)
+#define BIT20 (0x80000)
+#define BIT21 (0x100000)
+#define BIT22 (0x200000)
+#define BIT23 (0x400000)
+#define BIT24 (0x800000)
+#define BIT25 (0x1000000)
+#define BIT26 (0x2000000)
+#define BIT27 (0x4000000)
+#define BIT28 (0x8000000)
+#define BIT29 (0x10000000)
+#define BIT30 (0x20000000)
+#define BIT31 (0x40000000)
+#define BIT32 (0x80000000)
+
+typedef struct _DLIST_ENTRY
+{
+ struct _DLIST_ENTRY *pFlink;
+ struct _DLIST_ENTRY *pBlink;
+} DLIST_ENTRY;
+
+//
+// Constants
+//
+#define YES (1)
+#define NO (0)
+#ifndef TRUE
+#define TRUE (YES)
+#endif
+#ifndef FALSE
+#define FALSE (NO)
+#endif
+
+//
+// Calculate the length of an array (i.e. number of elements)
+//
+#define ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
+#define COMMAND(x) \
+ void (x)(CHAR *szInput, ULONG argc, CHAR *argv[], POSITION *pos)
+#define MB (1024 * 1024)
+
+//
+// Calculate the address of the base of the structure given its type, and an
+// address of a field within the structure.
+//
+#ifndef OFFSET_OF
+#define OFFSET_OF(field, type) \
+ (ULONG)(&((type *)0)->field)
+#endif
+#ifndef CONTAINING_STRUCT
+#define CONTAINING_STRUCT(address, type, field) \
+ ((type *)((BYTE *)(address) - (BYTE *)(OFFSET_OF(field, type))))
+#endif
+
+#define WHITE (1)
+#define BLACK (0)
+#define BAD_COLOR (2)
+#define IS_VALID_COLOR(x) (((x) == WHITE) || ((x) == BLACK))
+#define FOREACH_COLOR(x) for((x) = BLACK; (x) < BAD_COLOR; (x)++)
+#define RANDOM_COLOR (rand() & 1)
+#define FLIP(color) ((color) ^ 1)
+#define COLOR_NAME(color) (((color) == WHITE) ? "white" : "black")
+
+#define MAX_MOVES_PER_PLY (218)
+#define MAX_PLY_PER_SEARCH (64)
+#define MAX_MOVES_PER_GAME (1024)
+#define SMALL_STRING_LEN_CHAR (256)
+#define MEDIUM_STRING_LEN_CHAR (8192)
+#define BIG_STRING_LEN_CHAR (16384)
+
+#define QUARTER_PLY 16
+#define HALF_PLY 32
+#define THREE_QUARTERS_PLY 48
+#define ONE_PLY 64
+#define TWO_PLY 128
+#define THREE_PLY 192
+#define FOUR_PLY 256
+#define MAX_DEPTH_PER_SEARCH (MAX_PLY_PER_SEARCH * ONE_PLY)
+
+#define IS_VALID_DEPTH(x) (((x) >= 0) && \
+ ((x) <= MAX_DEPTH_PER_SEARCH) && \
+ (((x) & 0xfffff00f) == 0))
+
+#define INFINITY (MAX_SHORT)
+#define INVALID_SCORE (INFINITY + 1)
+#define IS_VALID_SCORE(x) (((x) >= -INFINITY) && \
+ ((x) <= +INFINITY))
+#define NMATE (+INFINITY - 200)
+#define MATED_SCORE(ply) (-INFINITY + (ply))
+
+#define IS_A_POWER_OF_2(x) (((x) & (x - 1)) == 0)
+//
+// Program version number
+//
+#define VERSION "1.00"
+#define REVISION "$Id: chess.h 354 2008-06-30 05:10:08Z scott $\n"
+
+//
+// Function decorators
+//
+#define IN
+#define OUT
+#define INOUT
+#define UNUSED
+#define NOTHING
+
+// ----------------------------------------------------------------------
+//
+// PIECE:
+//
+// a piece (4 bits) = type (3 bits) + color (1 bit)
+//
+// 3 1 0
+// . . . .
+// | | |
+// type C
+//
+#define KING (6) // 110X
+#define QUEEN (5) // 101X
+#define ROOK (4) // 100X
+#define BISHOP (3) // 011X
+#define KNIGHT (2) // 010X
+#define PAWN (1) // 001X
+#define EMPTY (0) // 000X
+
+// (WHATEVER << 1)
+#define BLACK_PAWN (2) // 0010
+#define BLACK_KNIGHT (4) // 0100
+#define BLACK_BISHOP (6) // 0110
+#define BLACK_ROOK (8) // 1000
+#define BLACK_QUEEN (10) // 1010
+#define BLACK_KING (12) // 1100
+
+// (WHATEVER << 1) | WHITE
+#define WHITE_PAWN (3) // 0011
+#define WHITE_KNIGHT (5) // 0101
+#define WHITE_BISHOP (7) // 0111
+#define WHITE_ROOK (9) // 1001
+#define WHITE_QUEEN (11) // 1011
+#define WHITE_KING (13) // 1101
+
+#define PIECE_TYPE(p) ((p) >> 1)
+#define PIECE_COLOR(p) ((p) & WHITE)
+#define RANDOM_PIECE (rand() % 12) + 2;
+#define IS_PAWN(p) (((p) & 0xE) == BLACK_PAWN)
+#define IS_KNIGHT(p) (((p) & 0xE) == BLACK_KNIGHT)
+#define IS_BISHOP(p) (((p) & 0xE) == BLACK_BISHOP)
+#define IS_ROOK(p) (((p) & 0xE) == BLACK_ROOK)
+#define IS_QUEEN(p) (((p) & 0xE) == BLACK_QUEEN)
+#define IS_KING(p) (((p) & 0xE) == BLACK_KING)
+#define IS_KNIGHT_OR_KING(p) (((p) & 0x6) == 0x4)
+#define IS_VALID_PIECE(p) ((PIECE_TYPE((p)) >= PAWN) && \
+ (PIECE_TYPE((p)) <= KING))
+#define IS_WHITE_PIECE(p) ((p) & WHITE)
+#define IS_BLACK_PIECE(p) (!IS_WHITE(p))
+#define OPPOSITE_COLORS(p, q) (((p) ^ (q)) & WHITE)
+#define SAME_COLOR(p,q) (!OPPOSITE_COLORS(p, q))
+#define GET_COLOR(p) ((p) & WHITE)
+
+// ----------------------------------------------------------------------
+//
+// a coordinate (8 bits) = rank + file (0x88)
+//
+// 7 4 3 0
+// . . . . . . . .
+// | | |
+// rank file
+// | |
+// | +--- 0-7 = file A thru file H
+// |
+// +------------ 0-7 = rank 1 thru rank 8
+//
+// given a coordinate, C, if C & 0x88 then it is illegal (off board)
+//
+//
+// 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+// +---------------------------------------+
+// 8 | 00 |:01:| 02 |:03:| 04 |:05:| 06 |:07:| 0x00
+// 7 |:10:| 11 |:12:| 13 |:14:| 15 |:16:| 17 | 0x10
+// 6 | 20 |:21:| 22 |:23:| 24 |:25:| 26 |:27:| 0x20
+// 5 |:30:| 31 |:32:| 33 |:34:| 35 |:36:| 37 | 0x30
+// 4 | 40 |:41:| 42 |:43:| 44 |:45:| 46 |:47:| 0x40
+// 3 |:50:| 51 |:52:| 53 |:54:| 55 |:56:| 57 | 0x50
+// 2 | 60 |:61:| 62 |:63:| 64 |:65:| 66 |:67:| 0x60
+// 1 |:70:| 71 |:72:| 73 |:74:| 75 |:76:| 77 | 0x70
+// +---------------------------------------+
+// A B C D E F G H
+//
+#define A (0)
+#define B (1)
+#define C (2)
+#define D (3)
+#define E (4)
+#define F (5)
+#define G (6)
+#define H (7)
+
+#define A8 (0x00)
+#define B8 (0x01)
+#define C8 (0x02)
+#define D8 (0x03)
+#define E8 (0x04)
+#define F8 (0x05)
+#define G8 (0x06)
+#define H8 (0x07)
+
+#define A7 (0x10)
+#define B7 (0x11)
+#define C7 (0x12)
+#define D7 (0x13)
+#define E7 (0x14)
+#define F7 (0x15)
+#define G7 (0x16)
+#define H7 (0x17)
+
+#define A6 (0x20)
+#define B6 (0x21)
+#define C6 (0x22)
+#define D6 (0x23)
+#define E6 (0x24)
+#define F6 (0x25)
+#define G6 (0x26)
+#define H6 (0x27)
+
+#define A5 (0x30)
+#define B5 (0x31)
+#define C5 (0x32)
+#define D5 (0x33)
+#define E5 (0x34)
+#define F5 (0x35)
+#define G5 (0x36)
+#define H5 (0x37)
+
+#define A4 (0x40)
+#define B4 (0x41)
+#define C4 (0x42)
+#define D4 (0x43)
+#define E4 (0x44)
+#define F4 (0x45)
+#define G4 (0x46)
+#define H4 (0x47)
+
+#define A3 (0x50)
+#define B3 (0x51)
+#define C3 (0x52)
+#define D3 (0x53)
+#define E3 (0x54)
+#define F3 (0x55)
+#define G3 (0x56)
+#define H3 (0x57)
+
+#define A2 (0x60)
+#define B2 (0x61)
+#define C2 (0x62)
+#define D2 (0x63)
+#define E2 (0x64)
+#define F2 (0x65)
+#define G2 (0x66)
+#define H2 (0x67)
+
+#define A1 (0x70)
+#define B1 (0x71)
+#define C1 (0x72)
+#define D1 (0x73)
+#define E1 (0x74)
+#define F1 (0x75)
+#define G1 (0x76)
+#define H1 (0x77)
+
+// TODO: if use this anywhere that matters, consider double loop
+// and unrolling the inside loop to prevent the multiple
+// continue for invalid squares
+#define FOREACH_SQUARE(x) for((x) = (A8); (x) <= (H1); (x)++)
+
+#define IS_ON_BOARD(c) (!((c) & 0x88))
+#define RANDOM_COOR (rand() & 0x77)
+#define FILE_RANK_TO_COOR(f, r) (((8 - (r)) << 4) | (f))
+#define RANK(c) (8 - ((c) >> 4))
+#define RANK1(c) (((c) & 0xF0) == 0x70)
+#define RANK2(c) (((c) & 0xF0) == 0x60)
+#define RANK3(c) (((c) & 0xF0) == 0x50)
+#define RANK4(c) (((c) & 0xF0) == 0x40)
+#define RANK5(c) (((c) & 0xF0) == 0x30)
+#define RANK6(c) (((c) & 0xF0) == 0x20)
+#define RANK7(c) (((c) & 0xF0) == 0x10)
+#define RANK8(c) (((c) & 0xF0) == 0x00)
+#define FILE(c) ((c) & 0x0F)
+#define FILEA(c) (((c) & 0x0F) == 0x00)
+#define FILEB(c) (((c) & 0x0F) == 0x01)
+#define FILEC(c) (((c) & 0x0F) == 0x02)
+#define FILED(c) (((c) & 0x0F) == 0x03)
+#define FILEE(c) (((c) & 0x0F) == 0x04)
+#define FILEF(c) (((c) & 0x0F) == 0x05)
+#define FILEG(c) (((c) & 0x0F) == 0x06)
+#define FILEH(c) (((c) & 0x0F) == 0x07)
+#define IS_WHITE_SQUARE_FR(f, r) (((f) + (r) - 1) & 1)
+#define IS_WHITE_SQUARE_COOR(c) (IS_WHITE_SQUARE_FR(FILE(c), RANK(c)))
+#define VALID_EP_SQUARE(c) (((c) == ILLEGAL_COOR) || ((c) == 0) || \
+ (RANK3(c)) || \
+ (RANK6(c)))
+
+// ----------------------------------------------------------------------
+//
+// a move (4 bytes) = from/to, moved, captured, promoted and special
+//
+// 31 24 23 16 15 12 11 8 7 4 3 0
+// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+// | from | to | moved | capt | prom | flags |
+// | | | | |
+// | | | | |
+// | | | | |
+// | | +-------+-------+-- type and
+// | | color of
+// | | piece moved
+// | | captured and
+// | | promote targ
+// +---------------+-- board location where
+// move begins and ends
+//
+//
+// Special flag asserted on special move types:
+//
+// if (special)
+// {
+// if (moved == PAWN)
+// {
+// if (promotion)
+// {
+// move is a promote (w/ or w/o capture)
+// }
+// else if (capture)
+// {
+// move is an en passant catpure
+// }
+// else
+// {
+// move is a double jump
+// }
+// }
+// else if (moved == KING)
+// {
+// move is a castle (long or short)
+// }
+// else
+// {
+// invalid use of special flag
+// }
+// }
+//
+typedef union _MOVE
+{
+ ULONG uMove;
+ struct
+ {
+ UCHAR cFrom : 8;
+ UCHAR cTo : 8;
+ UCHAR pMoved : 4;
+ UCHAR pCaptured : 4;
+ UCHAR pPromoted : 4;
+ UCHAR bvFlags : 4;
+ };
+} MOVE;
+
+#define IS_SAME_MOVE(a, b) \
+ (((a).uMove & 0x0FFFFFFF) == (((b).uMove & 0x0FFFFFFF)))
+
+#define MAKE_MOVE(from,to,piece,cap,prom,flags) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20) | \
+ ((ULONG)(prom) << 24) | \
+ ((ULONG)(flags) << 28))
+
+#define MAKE_MOVE_WITH_NO_PROM_OR_FLAGS(from,to,piece,cap) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20))
+
+//
+// Move flag values:
+//
+#define MOVE_FLAG_SPECIAL (1) // en pass, prom, castle, double
+#define IS_SPECIAL_MOVE(mv) \
+ ((mv).uMove & 0x10000000)
+
+#define IS_CASTLE(mv) \
+ (IS_SPECIAL_MOVE(mv) && IS_KING((mv).pMoved))
+
+#ifdef DEBUG
+#define IS_PROMOTION(mv) \
+ (IS_SPECIAL_MOVE(mv) && ((mv).pPromoted))
+#else
+#define IS_PROMOTION(mv) \
+ ((mv).pPromoted)
+#endif
+
+#define IS_CAPTURE_OR_PROMOTION(mv) \
+ ((mv).uMove & 0x0FF00000)
+
+#define IS_ENPASSANT(mv) \
+ (IS_SPECIAL_MOVE(mv) && (mv.pCaptured) && !IS_PROMOTION(mv))
+
+#define IS_DOUBLE_JUMP(mv) \
+ (IS_SPECIAL_MOVE(mv) && !IS_CAPTURE_OR_PROMOTION(mv))
+
+#define MOVE_FLAG_KILLERMATE (2) // killer mate
+#define IS_KILLERMATE_MOVE(mv) ((mv).uMove & 0x20000000)
+
+#define MOVE_FLAG_ESCAPING_CHECK (4) // escaping check
+#define IS_ESCAPING_CHECK(mv) ((mv).uMove & 0x40000000)
+
+#define MOVE_FLAG_CHECKING (8) // checking move
+#define IS_CHECKING_MOVE(mv) ((mv).uMove & 0x80000000)
+
+// ----------------------------------------------------------------------
+//
+// Move list
+//
+#define MAX_MOVE_LIST (MAX_MOVES_PER_GAME + MAX_PLY_PER_SEARCH)
+
+// ----------------------------------------------------------------------
+
+#pragma pack(1)
+typedef union _ATTACK_BITV
+{
+ ULONG uWholeThing;
+ struct
+ {
+ union
+ {
+ UCHAR uSmall;
+ struct
+ {
+ UCHAR uNumAttacks : 3; // 0..2
+ UCHAR uKing : 1; // 4..7
+ UCHAR uQueen : 1;
+ UCHAR uRook : 1;
+ UCHAR uMinor : 1;
+ UCHAR uPawn : 1;
+ } small;
+ };
+
+ // --------------------
+ union
+ {
+ USHORT uBig;
+ struct
+ {
+ USHORT uKing : 1; // 8..23
+ USHORT uQueens : 4;
+ USHORT uRooks : 4;
+ USHORT uMinors : 4;
+ USHORT uPawns : 2;
+ USHORT uUnusedFlag1 : 1;
+ } big;
+ };
+
+ // -------------------
+ union
+ {
+ UCHAR uXray;
+ struct
+ {
+ UCHAR uNumXrays : 3;
+ UCHAR uUnusedFlag2 : 1;
+ UCHAR uQueen : 1; // 24..28
+ UCHAR uRook : 1;
+ UCHAR uBishop : 1;
+ UCHAR uUnusedFlag3 : 1;
+ } xray;
+ };
+ };
+}
+ATTACK_BITV;
+
+#define UNSAFE_FOR_MINOR(x) ((ULONG)((x).uWholeThing) & 0x00000080UL)
+#define UNSAFE_FOR_ROOK(x) ((ULONG)((x).uWholeThing) & 0x000000C0UL)
+#define UNSAFE_FOR_QUEEN(x) ((ULONG)((x).uWholeThing) & 0x000000E0UL)
+
+#define PAWN_BIT 0x00000080UL
+#define MINOR_BIT 0x00000040UL
+#define MINOR_XRAY_BIT 0x40000000UL
+#define ROOK_BIT 0x00000020UL
+#define ROOK_XRAY_BIT 0x20000000UL
+#define QUEEN_BIT 0x00000010UL
+#define QUEEN_XRAY_BIT 0x10000000UL
+
+#define INVALID_PIECE_INDEX (17)
+#define IS_VALID_PIECE_INDEX(x) ((x) < INVALID_PIECE_INDEX)
+
+typedef union _SQUARE
+{
+ struct
+ {
+ PIECE pPiece;
+ ULONG uIndex;
+ };
+ ATTACK_BITV bvAttacks[2];
+}
+SQUARE;
+#pragma pack()
+
+//
+// POSITION
+//
+typedef struct _POSITION
+{
+ SQUARE rgSquare[128]; // where the pieces are,
+ // also, the attack table
+ UINT64 u64NonPawnSig; // hash signature
+ UINT64 u64PawnSig; // pawn hash signature
+ ULONG uToMove; // whose turn?
+ ULONG uFifty; // 50 moves w/o progress = draw
+ FLAG fCastled[2]; // record when sides have castled
+ BITV bvCastleInfo; // who can castle how?
+ COOR cEpSquare; // en-passant capture square
+
+ COOR cPawns[2][8]; // location of pawns on the board
+ ULONG uPawnMaterial[2]; // pawn material of each side
+ ULONG uPawnCount[2]; // number of pawns for each side
+
+ COOR cNonPawns[2][16]; // location of pieces on the board
+ ULONG uNonPawnMaterial[2]; // piece material of each side
+ ULONG uNonPawnCount[2][8]; // number of non-pawns / type
+ // 0 and 1 are the sum,
+ // 2..6 are per PIECE_TYPE
+
+ ULONG uWhiteSqBishopCount[2]; // num bishops on white squares
+ SCORE iMaterialBalance[2]; // material balance
+
+ // temporary storage space for use in eval
+ COOR cTrapped[2];
+ ULONG uArmyScaler[2];
+ ULONG uClosedScaler;
+ SCORE iScore[2];
+ SCORE iReducedMaterialDownScaler[2];
+ SCORE iTempScore;
+ ULONG uMinMobility[2];
+ COOR cPiece;
+ ULONG uMinorsAtHome[2];
+ BITBOARD bb;
+ ULONG uPiecesPointingAtKing[2];
+}
+POSITION;
+
+//
+// Castling permission bitvector flags.
+//
+#define CASTLE_WHITE_SHORT (1)
+#define CASTLE_WHITE_LONG (2)
+#define WHITE_CAN_CASTLE \
+ (CASTLE_WHITE_SHORT | CASTLE_WHITE_LONG)
+#define CASTLE_BLACK_SHORT (4)
+#define CASTLE_BLACK_LONG (8)
+#define BLACK_CAN_CASTLE \
+ (CASTLE_BLACK_SHORT | CASTLE_BLACK_LONG)
+#define CASTLE_NONE_POSSIBLE (0)
+#define CASTLE_ALL_POSSIBLE \
+ (WHITE_CAN_CASTLE | BLACK_CAN_CASTLE)
+
+// ----------------------------------------------------------------------
+//
+// Move stack
+//
+#define MAX_MOVE_STACK (MAX_PLY_PER_SEARCH * \
+ MAX_MOVES_PER_PLY)
+
+//
+// Main part of the move stack, triads of moves, their values and flags
+// that denote where the values came from
+//
+#define MVF_MOVE_SEARCHED (1)
+#define MVF_EXTEND_MOVE (2)
+#define MVF_REDUCE_MOVE (4)
+#define MVF_PRUNE_SUBTREE (8)
+
+typedef struct _MOVE_STACK_MOVE_VALUE_FLAGS
+{
+ SCORE iValue;
+ MOVE mv;
+ BITV bvFlags;
+}
+MOVE_STACK_MOVE_VALUE_FLAGS;
+
+typedef struct _KEY_POINTER
+{
+ int iPointer;
+ ULONG uKey;
+}
+KEY_POINTER;
+
+typedef union _GENERATOR_FLAGS
+{
+ struct {
+ UCHAR uMoveCount;
+ UCHAR uKingMoveCount;
+ UCHAR uCheckingPieces;
+ UCHAR uUnused;
+ };
+ ULONG uAllGenFlags;
+}
+GENERATOR_FLAGS;
+
+//
+// A move stack
+//
+typedef struct _MOVE_STACK
+{
+#ifdef DEBUG
+ POSITION board[MAX_PLY_PER_SEARCH];
+#endif
+ //
+ // Unblocked squares map, used for check detection
+ //
+ ULONG uUnblockedKeyValue[MAX_PLY_PER_SEARCH];
+ KEY_POINTER sUnblocked[MAX_PLY_PER_SEARCH][128];
+
+ //
+ // The main move list, a long series of moves, their values and some
+ // flag bits to tell search what the values are based upon.
+ //
+ MOVE_STACK_MOVE_VALUE_FLAGS mvf[MAX_MOVE_STACK];
+
+ //
+ // uBegin[ply] and uEnd[ply] specify the start and end of moves gen-
+ // erated for a position at ply distance from the root.
+ //
+ ULONG uPly;
+ ULONG uBegin[MAX_PLY_PER_SEARCH];
+ ULONG uEnd[MAX_PLY_PER_SEARCH];
+ MOVE mvHash[MAX_PLY_PER_SEARCH];
+ GENERATOR_FLAGS sGenFlags[MAX_PLY_PER_SEARCH];
+}
+MOVE_STACK;
+
+#define GENERATE_NO_MOVES \
+ ctx->sMoveStack.uEnd[ctx->uPly] = \
+ ctx->sMoveStack.uBegin[ctx->uPly] + 1; \
+ ctx->sMoveStack.uBegin[ctx->uPly + 1] = \
+ ctx->sMoveStack.uEnd[ctx->uPly]
+
+#define GENERATE_ALL_MOVES (1)
+#define GENERATE_ESCAPES (2)
+#define GENERATE_CAPTURES_PROMS_CHECKS (3)
+#define GENERATE_CAPTURES_PROMS (4)
+#define GENERATE_DONT_SCORE (5)
+#ifdef TEST
+#define GENERATE_ALL_MOVES_CHECK_OK (6)
+#endif
+
+#define MOVE_COUNT(ctx, x) \
+ (((ctx)->sMoveStack.uEnd[(x)]) - (ctx)->sMoveStack.uBegin[(x)])
+#define ONE_LEGAL_MOVE(ctx, x) \
+ (MOVE_COUNT(ctx, x) == 1)
+#define NUM_KING_MOVES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uKingMoveCount)
+#define NUM_CHECKING_PIECES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uCheckingPieces)
+
+
+// ----------------------------------------------------------------------
+//
+// Accumulators
+//
+typedef struct _COUNTERS
+{
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64OverallHits;
+ UINT64 u64UsefulHits;
+ UINT64 u64UpperBoundHits;
+ UINT64 u64LowerBoundHits;
+ UINT64 u64ExactScoreHits;
+ }
+ hash;
+
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64Hits;
+ }
+ pawnhash;
+
+ struct
+ {
+ UINT64 u64TotalNodeCount;
+ UINT64 u64QNodeCount;
+ UINT64 u64LeafCount;
+ UINT64 u64TerminalPositionCount;
+ UINT64 u64BetaCutoffs;
+ UINT64 u64BetaCutoffsOnFirstMove;
+ UINT64 u64NullMoves;
+ UINT64 u64NullMoveSuccess;
+#ifdef TEST_NULL
+ UINT64 u64QuickNullSuccess;
+ UINT64 u64QuickNullDeferredSuccess;
+ UINT64 u64QuickNullFailures;
+ UINT64 u64AvoidNullSuccess;
+ UINT64 u64AvoidNullFailures;
+#endif
+ UINT64 u64EvalHashHits;
+ UINT64 u64LazyEvals;
+ UINT64 u64FullEvals;
+ UINT64 u64CyclesInEval;
+ }
+ tree;
+
+ struct
+ {
+ ULONG uNumSplits;
+ ULONG uNumSplitsTerminated;
+ }
+ parallel;
+
+ struct
+ {
+ ULONG uPawnPush;
+ ULONG uCheck;
+ ULONG uMateThreat;
+ ULONG uRecapture;
+ ULONG uOneLegalMove;
+ ULONG uNoLegalKingMoves;
+ ULONG uMultiCheck;
+ ULONG uSingularMove;
+ ULONG uZugzwang;
+ ULONG uSingularReplyToCheck;
+ ULONG uEndgame;
+ ULONG uBotvinnikMarkoff;
+ ULONG uQExtend;
+ }
+ extension;
+
+ struct
+ {
+ ULONG uProbes;
+ ULONG uHits;
+ }
+ egtb;
+}
+COUNTERS;
+
+typedef struct _CUMULATIVE_SEARCH_FLAGS
+{
+ // search
+ ULONG uNumChecks[2]; // not used
+ FLAG fInSuspiciousBranch; // not used
+ FLAG fInReducedDepthBranch; // not used
+ FLAG fAvoidNullmove; // restore
+ FLAG fVerifyNullmove; // restore
+
+ // qsearch
+ ULONG uQsearchDepth; // restore
+ ULONG uQsearchNodes; // incremental
+ ULONG uQsearchCheckDepth; // restore
+ FLAG fCouldStandPat[2]; // restore
+}
+CUMULATIVE_SEARCH_FLAGS;
+
+// ----------------------------------------------------------------------
+//
+// Searcher thread record
+//
+typedef struct _SPLIT_INFO
+{
+ // locks / counters
+ volatile ULONG uLock; // lock for this split node
+ volatile ULONG uNumThreadsHelping; // num threads in this node
+ volatile FLAG fTerminate; // signal helpers to terminate
+
+ // moves in the split node
+ ULONG uRemainingMoves; // num moves remaining to do
+ ULONG uOnDeckMove; // next move to do
+ ULONG uNumMoves;
+ ULONG uAlreadyDone;
+ MOVE_STACK_MOVE_VALUE_FLAGS
+ mvf[MAX_MOVES_PER_PLY]; // the moves to search
+
+ // input to the split node
+ POSITION sRootPosition; // the root position
+ MOVE mvPathToHere[MAX_PLY_PER_SEARCH]; // path from root to split
+ MOVE mvLast; // last move before split
+ ULONG uDepth; // remaining depth at split
+ INT iPositionExtend; // positional extension
+ SCORE iAlpha; // original alpha at split
+ SCORE iBeta; // beta at split
+ ULONG uSplitPositional; // pos->uPositional at split
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags; // flags at split time
+
+ // output from the split node
+ MOVE mvBest; // the best move
+ SCORE iBestScore; // it's score
+ COUNTERS sCounters; // updated counters
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+#ifdef DEBUG
+ ULONG uSplitPly;
+ POSITION sSplitPosition;
+#endif
+}
+SPLIT_INFO;
+
+typedef struct _PLY_INFO
+{
+#ifdef DEBUG
+ POSITION sPosition;
+ SCORE iAlpha;
+ SCORE iBeta;
+#endif
+ SCORE iEval;
+ INT iExtensionAmount;
+ FLAG fInCheck;
+ FLAG fInQsearch;
+ MOVE mv;
+ MOVE mvBest;
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+ SCORE iKingScore[2];
+ ULONG uMinMobility[2];
+ UINT64 u64NonPawnSig;
+ UINT64 u64PawnSig;
+ UINT64 u64Sig;
+ ULONG uFifty;
+ FLAG fCastled[2];
+ ULONG uTotalNonPawns;
+ BITV bvCastleInfo;
+ COOR cEpSquare;
+}
+PLY_INFO;
+
+#define EVAL_HASH
+#ifdef EVAL_HASH
+#define EVAL_HASH_TABLE_SIZE (2097152) // 32Mb (per thread)
+typedef struct _EVAL_HASH_ENTRY
+{
+ UINT64 u64Key;
+ SCORE iEval;
+ ULONG uPositional;
+ COOR cTrapped[2];
+
+} EVAL_HASH_ENTRY;
+#endif
+
+#define PAWN_HASH_TABLE_SIZE (131072) // 5.5Mb (per thread)
+typedef struct _PAWN_HASH_ENTRY
+{
+ UINT64 u64Key;
+ BITBOARD bbPawnLocations[2];
+ BITBOARD bbPasserLocations[2];
+ BITBOARD bbStationaryPawns[2];
+ SHORT iScore[2];
+ UCHAR uCountPerFile[2][10];
+ UCHAR uNumRammedPawns;
+ UCHAR uNumUnmovedPawns[2];
+}
+PAWN_HASH_ENTRY;
+
+#define NUM_SPLIT_PTRS_IN_CONTEXT (8)
+
+typedef struct _SEARCHER_THREAD_CONTEXT
+{
+ ULONG uPly; // its distance from root
+ ULONG uPositional; // positional component of score
+ POSITION sPosition; // the board
+ MOVE_STACK sMoveStack; // the move stack
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+ MOVE mvKiller[MAX_PLY_PER_SEARCH][2];
+ MOVE mvKillerEscapes[MAX_PLY_PER_SEARCH][2];
+ MOVE mvNullmoveRefutations[MAX_PLY_PER_SEARCH];
+ COUNTERS sCounters;
+ ULONG uThreadNumber;
+ SPLIT_INFO *pSplitInfo[NUM_SPLIT_PTRS_IN_CONTEXT];
+ MOVE mvRootMove;
+ SCORE iRootScore;
+ ULONG uRootDepth;
+ PAWN_HASH_ENTRY rgPawnHash[PAWN_HASH_TABLE_SIZE];
+#ifdef EVAL_HASH
+ EVAL_HASH_ENTRY rgEvalHash[EVAL_HASH_TABLE_SIZE];
+#endif
+ CHAR szLastPV[SMALL_STRING_LEN_CHAR];
+}
+SEARCHER_THREAD_CONTEXT;
+
+//
+// When I added the pawn hash table and eval hash tables to searcher
+// thread contexts they became too heavy to just allocate on the fly
+// for things like checking the legality of SAN moves or seeing if an
+// opening book line leads to a draw. This
+// LIGHTWEIGHT_SEARCHER_CONTEXT structure can be cast into a full
+// SEARCHER_THREAD_CONTEXT and passed safely into the Generate,
+// MakeMove and UnMakeMove functions because they presently only
+// need:
+//
+// 1. uPly
+// 2. sPosition
+// 3. sPlyInfo
+// 4. sMoveStack
+//
+typedef struct _LIGHTWEIGHT_SEARCHER_CONTEXT
+{
+ ULONG uPly;
+ ULONG uPositional;
+ POSITION sPosition;
+ MOVE_STACK sMoveStack;
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+}
+LIGHTWEIGHT_SEARCHER_CONTEXT;
+
+// ----------------------------------------------------------------------
+//
+// Global game options
+//
+typedef struct _GAME_OPTIONS
+{
+ ULONG uMyClock;
+ ULONG uOpponentsClock;
+ FLAG fGameIsRated;
+ FLAG fOpponentIsComputer;
+ ULONG uSecPerMove;
+ ULONG uMaxDepth;
+ UINT64 u64MaxNodeCount;
+ FLAG fShouldPonder;
+ FLAG fPondering;
+ FLAG fThinking;
+ FLAG fSuccessfulPonder;
+ MOVE mvPonder;
+ FLAG fShouldPost;
+ FLAG fForceDrawWorthZero;
+ ULONG uMyIncrement;
+ ULONG uMovesPerTimePeriod;
+ CHAR szAnalyzeProgressReport[SMALL_STRING_LEN_CHAR];
+ FLAG fShouldAnnounceOpening;
+ SCORE iLastEvalScore;
+ UINT64 u64NodesSearched;
+ CHAR szLogfile[SMALL_STRING_LEN_CHAR];
+ CHAR szEGTBPath[SMALL_STRING_LEN_CHAR];
+ CHAR szBookName[SMALL_STRING_LEN_CHAR];
+ ULONG uNumProcessors;
+ ULONG uNumHashTableEntries;
+ FLAG fNoInputThread;
+ FLAG fVerbosePosting;
+ FLAG fRunningUnderXboard;
+ FLAG fStatusLine;
+ FLAG fFastScript;
+ INT iResignThreshold;
+
+ enum
+ {
+ CLOCK_NORMAL = 0,
+ CLOCK_FIXED,
+ CLOCK_INCREMENT,
+ CLOCK_NONE
+ }
+ eClock;
+
+ enum
+ {
+ GAME_UNKNOWN = 0,
+ GAME_BULLET,
+ GAME_BLITZ,
+ GAME_STANDARD
+ }
+ eGameType;
+
+ enum
+ {
+ I_PLAY_WHITE = 0,
+ I_PLAY_BLACK,
+ FORCE_MODE,
+ EDIT_MODE,
+ ANALYZE_MODE
+ }
+ ePlayMode;
+}
+GAME_OPTIONS;
+extern GAME_OPTIONS g_Options;
+
+// ----------------------------------------------------------------------
+//
+// Move timer
+//
+
+#define TIMER_SEARCHING_FIRST_MOVE (0x1)
+#define TIMER_SEARCHING_IMPORTANT_MOVE (0x2)
+#define TIMER_RESOLVING_ROOT_FL (0x4)
+#define TIMER_RESOLVING_ROOT_FH (0x8)
+#define TIMER_JUST_OUT_OF_BOOK (0x10)
+#define TIMER_CURRENT_OBVIOUS (0x20)
+#define TIMER_CURRENT_WONT_UNBLOCK (0x40)
+#define TIMER_ROOT_POSITION_CRITICAL (0x80)
+#define TIMER_MOVE_IMMEDIATELY (0x100)
+#define TIMER_MANY_ROOT_FLS (0x200)
+#define TIMER_STOPPING (0x400)
+#define TIMER_SPLIT_FAILED (0x800)
+
+typedef struct _MOVE_TIMER
+{
+ double dStartTime;
+ double dEndTime;
+ double dSoftTimeLimit;
+ double dHardTimeLimit;
+ ULONG uNodeCheckMask;
+ volatile BITV bvFlags;
+}
+MOVE_TIMER;
+
+// ----------------------------------------------------------------------
+//
+// Special move tag literals
+//
+#define ILLEGALMOVE ((ULONG)0x1DDD8888)
+
+//
+// useful macros
+//
+#ifdef DEBUG
+void
+_assert(CHAR *szFile, ULONG uLine);
+
+#define ASSERT(x) if (x) \
+ { ; } \
+ else \
+ { _assert(__FILE__, __LINE__); }
+#define VERIFY(x) ASSERT(x)
+#else
+#define ASSERT(x) ;
+#define VERIFY(x) x;
+#endif // DEBUG
+
+#ifdef PERF_COUNTERS
+#define INC(x) ((x) += 1)
+#else
+#define INC(x)
+#endif
+
+#define BREAKPOINT SystemDebugBreakpoint()
+
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#define MAX(x, y) (((x) > (y)) ? (x) : (y))
+
+#ifdef _X86_
+//
+// Note: MAXU, MINU and ABS_DIFF require arguments with the high order
+// bit CLEAR to work right.
+//
+// These are branchless constructs. MAXU and MINU are equivalent to
+// MIN and MAX (with the above restriction on inputs)
+//
+// MIN0 and MAX0 are equivalent to MAX(0, x) and MIN(0, x). These
+// macros have no restiction on argument type.
+//
+// ABS_DIFF is equivalent to abs(x - y). Again, x and y must have
+// their high-order bits CLEAR for this to work.
+//
+// Note: gcc generates code with cmovs so no need for MAXU/MINU on
+// that compiler.
+//
+#define MINU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((x)-(y)))+(y))
+#define MAXU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((y)-(x)))+(x))
+#define MIN0(x) \
+ ((x) & (((int)(x)) >> 31))
+#define MAX0(x) \
+ ((x) & ~(((int)(x)) >> 31))
+
+
+#define ABS_DIFF(a, b) \
+ (((b)-(a)) - ((((b) - (a)) & (((int)((b) - (a))) >> 31) ) << 1))
+
+#endif // _X86_
+
+#ifndef MINU
+#define MINU(x, y) (MIN((x), (y)))
+#endif
+
+#ifndef MAXU
+#define MAXU(x, y) (MAX((x), (y)))
+#endif
+
+#ifndef MIN0
+#define MIN0(x) (MIN((x), 0))
+#endif
+
+#ifndef MAX0
+#define MAX0(x) (MAX((x), 0))
+#endif
+
+#ifndef ABS_DIFF
+#define ABS_DIFF(a, b) (abs((a) - (b)))
+#endif
+
+#define FILE_DISTANCE(a, b) (ABS_DIFF(FILE((a)), FILE((b))))
+#define RANK_DISTANCE(a, b) (ABS_DIFF(((a) & 0xF0), ((b) & 0xF0)) >> 4)
+#define REAL_DISTANCE(a, b) (MAXU(FILE_DISTANCE((a), (b)), \
+ RANK_DISTANCE((a), (b))))
+#ifdef DEBUG
+#define DISTANCE(a, b) DistanceBetweenSquares((a), (b))
+#else
+#define DISTANCE(a, b) g_pDistance[(a) - (b)]
+#endif // DEBUG
+
+#define IS_EMPTY( square ) (!(square))
+#define IS_OCCUPIED( square ) ((square))
+
+#define IS_DEAD( listindex ) ((listindex) > 119)
+#define IS_ALIVE( listindex ) ((listindex) <= 119)
+#define ILLEGAL_COOR (0x88)
+#define EDGE_DISTANCE(c) (MIN(MIN(abs(RANK(c) - 7), RANK(c)), \
+ MIN(abs(FILE(c) - 7), FILE(c))))
+#define NOT_ON_EDGE(c) ((((c) & 0xF0) != 0x00) && \
+ (((c) & 0xF0) != 0x70) && \
+ (((c) & 0x0F) != 0x00) && \
+ (((c) & 0x0F) != 0x07))
+#define ON_EDGE(c) (RANK8(c) || \
+ RANK1(c) || \
+ FILEA(c) || \
+ FILEH(c))
+#define CORNER_DISTANCE(c) (MAX(MIN((ULONG)abs(RANK(c) - 7), RANK(c)),\
+ MIN((ULONG)abs(FILE(c) - 7), FILE(c))))
+#define IN_CORNER(c) (((c) == A8) || \
+ ((c) == A1) || \
+ ((c) == H8) || \
+ ((c) == H1))
+#define WHITE_CORNER_DISTANCE(c) (MIN(DISTANCE((c), A8), \
+ DISTANCE((c), H1)))
+#define BLACK_CORNER_DISTANCE(c) (MIN(DISTANCE((c), H8), \
+ DISTANCE((c), A1)))
+#define SYM_SQ(c) ((7 - (((c) & 0xF0) >> 4)) << 4) \
+ | (7 - ((c) & 0x0F))
+#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a[0])))
+#define MAKE_PSQT(a, b, c, d) (((a) << 24) | ((b) << 16) | \
+ ((c) << 8) | (d))
+#define TO64(x) ((x) & 0x7) + ((0x7 - ((x)>>4)) << 3)
+#define COOR_TO_BIT_NUMBER(c) (((((c) & 0x70) >> 1) | ((c) & 0x7)))
+#define SLOWCOOR_TO_BB(c) (1ULL << COOR_TO_BIT_NUMBER(c))
+#define COOR_TO_BB(c) (BBSQUARE[COOR_TO_BIT_NUMBER(c)])
+#define SLOW_BIT_NUMBER_TO_COOR(b) ((((b) / 8) << 4) + ((b) & 7))
+#define BIT_NUMBER_TO_COOR(b) ((((b) & 0xF8) << 1) | ((b) & 7))
+
+#define BBRANK88 \
+ SLOWCOOR_TO_BB(A8) | SLOWCOOR_TO_BB(B8) | SLOWCOOR_TO_BB(C8) | \
+ SLOWCOOR_TO_BB(D8) | SLOWCOOR_TO_BB(E8) | SLOWCOOR_TO_BB(F8) | \
+ SLOWCOOR_TO_BB(G8) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK77 \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(C7) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(F7) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(H7)
+
+#define BBRANK66 \
+ SLOWCOOR_TO_BB(A6) | SLOWCOOR_TO_BB(B6) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(D6) | SLOWCOOR_TO_BB(E6) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(G6) | SLOWCOOR_TO_BB(H6)
+
+#define BBRANK55 \
+ SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(C5) | \
+ SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(F5) | \
+ SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(H5)
+
+#define BBRANK44 \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(C4) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(F4) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(H4)
+
+#define BBRANK33 \
+ SLOWCOOR_TO_BB(A3) | SLOWCOOR_TO_BB(B3) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(D3) | SLOWCOOR_TO_BB(E3) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(G3) | SLOWCOOR_TO_BB(H3)
+
+#define BBRANK22 \
+ SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(C2) | \
+ SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(F2) | \
+ SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(H2)
+
+#define BBRANK11 \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(C1) | \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(F1) | \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(H1)
+
+#define BBFILEA \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(A3) | \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(A6) | \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(A8)
+
+#define BBFILEB \
+ SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(B3) | \
+ SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(B6) | \
+ SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(B8)
+
+#define BBFILEC \
+ SLOWCOOR_TO_BB(C1) | SLOWCOOR_TO_BB(C2) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(C4) | SLOWCOOR_TO_BB(C5) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(C7) | SLOWCOOR_TO_BB(C8)
+
+#define BBFILED \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(D3) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(D6) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(D8)
+
+#define BBFILEE \
+ SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(E3) | \
+ SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(E6) | \
+ SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(E8)
+
+#define BBFILEF \
+ SLOWCOOR_TO_BB(F1) | SLOWCOOR_TO_BB(F2) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(F4) | SLOWCOOR_TO_BB(F5) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(F7) | SLOWCOOR_TO_BB(F8)
+
+#define BBFILEG \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(G3) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(G6) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(G8)
+
+#define BBFILEH \
+ SLOWCOOR_TO_BB(H1) | SLOWCOOR_TO_BB(H2) | SLOWCOOR_TO_BB(H3) | \
+ SLOWCOOR_TO_BB(H4) | SLOWCOOR_TO_BB(H5) | SLOWCOOR_TO_BB(H6) | \
+ SLOWCOOR_TO_BB(H7) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK72 \
+ BBRANK77 | BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK62 \
+ BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK52 \
+ BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK42 \
+ BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK32 \
+ BBRANK33 | BBRANK22
+
+#define BBRANK27 \
+ BBRANK22 | BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK37 \
+ BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK47 \
+ BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK57 \
+ BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK67 \
+ BBRANK66 | BBRANK77
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+//
+// util.c
+//
+COMMAND(LearnPsqtFromPgn);
+
+COMMAND(GeneratePositionAndBestMoveSuite);
+
+CHAR *
+WalkPV(SEARCHER_THREAD_CONTEXT *ctx);
+
+CHAR *
+ReadNextGameFromPgnFile(FILE *pf);
+
+COOR
+DistanceBetweenSquares(COOR a, COOR b);
+
+void CDECL
+Trace(CHAR *szMessage, ...);
+
+void CDECL
+Log(CHAR *szMessage, ...);
+
+void CDECL
+Bug(CHAR *szMessage, ...);
+
+char *
+FindChunk(char *sz, ULONG uTargetChunk);
+
+FLAG
+BufferIsZeroed(BYTE *p, ULONG u);
+
+char *
+ColorToString(ULONG u);
+
+char *
+CoorToString(COOR c);
+
+char *
+ScoreToString(SCORE iScore);
+
+char *
+TimeToString(double d);
+
+ULONG
+AcquireSpinLock(volatile ULONG *pSpinlock);
+
+FLAG
+TryAcquireSpinLock(volatile ULONG *pSpinlock);
+
+void
+ReleaseSpinLock(volatile ULONG *pSpinLock);
+
+BYTE
+Checksum(BYTE *p, ULONG uSize);
+
+FLAG
+BackupFile(CHAR *szFile);
+
+void
+UtilPrintPV(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv);
+
+#define CANNOT_INITIALIZE_SPLIT (1)
+#define INCONSISTENT_POSITION (2)
+#define UNEXPECTED_SYSTEM_CALL_FAILURE (3)
+#define SHOULD_NOT_GET_HERE (4)
+#define GOT_ILLEGAL_MOVE_WHILE_PONDERING (5)
+#define CANNOT_OFFICIALLY_MAKE_MOVE (6)
+#define DETECTED_INCORRECT_INITIALIZATION (7)
+#define INCONSISTENT_STATE (8)
+#define FATAL_ACCESS_DENIED (9)
+#define TESTCASE_FAILURE (10)
+#define INITIALIZATION_FAILURE (11)
+
+void
+UtilPanic(ULONG uPanicCode,
+ POSITION *pos,
+ void *a1,
+ void *a2,
+ void *a3,
+ char *file, ULONG line);
+
+
+//
+// main.c
+//
+#define LOGFILE_NAME "typhoon.log"
+extern FILE *g_pfLogfile;
+
+void
+Banner(void);
+
+FLAG
+PreGameReset(FLAG fResetBoard);
+
+//
+// system dependent exports (see win32.c or fbsd.c)
+//
+typedef ULONG (THREAD_ENTRYPOINT)(ULONG);
+
+#ifdef DEBUG
+ULONG
+GetHeapMemoryUsage(void);
+#endif
+
+void
+SystemDebugBreakpoint(void);
+
+CHAR *
+SystemStrDup(CHAR *p);
+
+double
+SystemTimeStamp(void);
+
+FLAG
+SystemDoesFileExist(CHAR *szFilename);
+
+void
+SystemDeferExecution(ULONG uMs);
+
+void
+SystemFreeMemory(void *pMem);
+
+void *
+SystemAllocateMemory(ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadOnly(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryNoAccess(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadWrite(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemDependentInitialization(void);
+
+UINT64 FASTCALL
+SystemReadTimeStampCounter(void);
+
+//
+// This routine _must_ implement a full memory fence -- it is used in
+// util.c to implement spinlocks.
+//
+FLAG
+SystemCreateThread(THREAD_ENTRYPOINT *pEntry, ULONG uParam, ULONG *puHandle);
+
+FLAG
+SystemWaitForThreadToExit(ULONG uThreadHandle);
+
+FLAG
+SystemGetThreadExitCode(ULONG uThreadHandle, ULONG *puCode);
+
+FLAG
+SystemDeleteThread(ULONG uThreadHandle);
+
+CHAR *
+SystemGetDateString(void);
+
+CHAR *
+SystemGetTimeString(void);
+
+FLAG
+SystemCopyFile(CHAR *szSource, CHAR *szDest);
+
+FLAG
+SystemDeleteFile(CHAR *szFile);
+
+ULONG
+SystemCreateLock(void);
+
+FLAG
+SystemDeleteLock(ULONG u);
+
+FLAG
+SystemBlockingWaitForLock(ULONG u);
+
+FLAG
+SystemReleaseLock(ULONG u);
+
+ULONG
+SystemCreateSemaphore(ULONG u);
+
+FLAG
+SystemDeleteSemaphore(ULONG u);
+
+void
+SystemReleaseSemaphoreResource(ULONG u);
+
+void
+SystemObtainSemaphoreResource(ULONG u);
+
+
+//
+// fen.c
+//
+#define STARTING_POSITION_IN_FEN \
+ "rnbqkbnr/pppppppp/--------/8/8/--------/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
+
+FLAG
+LooksLikeFen(char *szFen);
+
+char *
+PositionToFen(POSITION *p);
+
+FLAG
+FenToPosition(POSITION *p, char *szFen);
+
+//
+// testfen.c
+//
+#ifdef TEST
+void
+TestFenCode(void);
+#endif
+
+//
+// piece.c
+//
+// INVERTED VALUE == (VALUE_QUEEN / VALUE_PIECE) * VALUE_PAWN;
+#define VALUE_PAWN 100
+#define INVERT_PAWN 900
+#define VALUE_KNIGHT 300
+#define INVERT_KNIGHT 300
+#define VALUE_BISHOP 300
+#define INVERT_BISHOP 300
+#define VALUE_ROOK 500
+#define INVERT_ROOK 180
+#define VALUE_QUEEN 975
+#define INVERT_QUEEN 100
+#define VALUE_KING (INFINITY)
+#define INVERT_KING 1
+
+#define VALUE_FULL_ARMY (8 * VALUE_PAWN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_QUEEN + VALUE_KING
+#define VALUE_MAX_ARMY (9 * VALUE_QUEEN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_KING
+
+typedef struct _PIECE_DATA
+{
+ ULONG uValue;
+ ULONG uValueOver100;
+ ULONG uInvertedValue;
+ CHAR *szName;
+} PIECE_DATA;
+
+extern PIECE_DATA g_PieceData[8];
+
+#define PIECE_VALUE_OVER_100(p) (g_PieceData[PIECE_TYPE(p)].uValueOver100)
+extern ULONG
+PieceValueOver100(PIECE p);
+
+#define PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uValue)
+extern ULONG
+PieceValue(PIECE p);
+
+#define INVERTED_PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uInvertedValue)
+extern ULONG
+PieceInvertedValue(PIECE p);
+
+CHAR *
+PieceAbbrev(PIECE p);
+
+//
+// board.c
+//
+FLAG
+VerifyPositionConsistency(POSITION *pos, FLAG fContinueOnError);
+
+FLAG
+PositionsAreEquivalent(POSITION *p1, POSITION *p2);
+
+CHAR *
+DrawTextBoardFromPosition(POSITION *pos);
+
+void
+DumpPosition(POSITION *pos);
+
+CHAR *
+CastleInfoString(BITV bv);
+
+void
+SetRootToInitialPosition(void);
+
+//
+// move.c
+//
+void
+SlidePiece(POSITION *pos, COOR cFrom, COOR cTo);
+
+PIECE
+LiftPiece(POSITION *pos, COOR cSquare);
+
+void
+PlacePiece(POSITION *pos, COOR cSquare, PIECE pPiece);
+
+FLAG
+MakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+void
+UnmakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+FLAG
+MakeUserMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mvUser);
+
+void
+DumpMove(ULONG u);
+
+//
+// movesup.c
+//
+#define MOVE_TO_INDEX(mv) (((mv).uMove & 0xFFFF) + \
+ (0x10000 * GET_COLOR(mv.pMoved)))
+
+COOR
+FasterExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheckEp(POSITION *pos,
+ COOR cTest,
+ COOR cIgnore,
+ COOR cBlock,
+ COOR cKing);
+
+FLAG
+IsAttacked(COOR cTest, POSITION *pos, ULONG uSide);
+
+FLAG
+InCheck(POSITION *pos, ULONG uSide);
+
+FLAG
+SanityCheckMove(POSITION *pos, MOVE mv);
+
+FLAG
+LooksLikeFile(CHAR c);
+
+FLAG
+LooksLikeRank(CHAR c);
+
+FLAG
+LooksLikeCoor(CHAR *szData);
+
+CHAR *
+StripMove(CHAR *szMove);
+
+ULONG
+LooksLikeMove(CHAR *szData);
+
+void FASTCALL
+SelectBestWithHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectBestNoHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectMoveAtRoot(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+#define NOT_MOVE 0
+#define MOVE_ICS 1
+#define MOVE_SAN 2
+
+COMMAND(PerftCommand);
+
+
+//
+// testmove.c
+//
+#ifdef TEST
+void
+TestLiftPlaceSlidePiece(void);
+
+void
+TestExposesCheck(void);
+
+void
+TestIsAttacked(void);
+
+void
+TestMakeUnmakeMove(void);
+#endif
+
+//
+// generate.c
+//
+#define SORT_THESE_FIRST (0x40000000)
+#define FIRST_KILLER (0x20000000)
+#define SECOND_KILLER (0x10000000)
+#define THIRD_KILLER (0x08000000)
+#define FOURTH_KILLER (0x04000000)
+#define GOOD_MOVE (0x02000000)
+#define STRIP_OFF_FLAGS (0x00FFFFFF)
+
+extern const int g_iQKDeltas[9];
+extern const int g_iNDeltas[9];
+extern const int g_iBDeltas[5];
+extern const int g_iRDeltas[5];
+
+void
+GenerateMoves(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mvOrderFirst,
+ ULONG uType);
+
+FLAG
+WouldGiveCheck(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv);
+
+//
+// testgenerate.c
+//
+#ifdef TEST
+
+void
+PlyTest(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fRootPositionInCheck);
+
+void
+TestMoveGenerator(void);
+
+void
+TestLegalMoveGenerator(void);
+
+#endif
+
+//
+// sig.c
+//
+extern UINT64 g_u64SigSeeds[128][7][2];
+extern UINT64 g_u64PawnSigSeeds[128][2];
+extern UINT64 g_u64CastleSigSeeds[16];
+extern UINT64 g_u64EpSigSeeds[9];
+
+void
+InitializeSigSystem(void);
+
+UINT64
+ComputePawnSig(POSITION *pos);
+
+UINT64
+ComputeSig(POSITION *pos);
+
+//
+// mersenne.c
+//
+void
+seedMT(unsigned int seed);
+
+unsigned int
+reloadMT(void);
+
+unsigned int
+randomMT(void);
+
+//
+// data.c
+//
+typedef struct _VECTOR_DELTA
+{
+ UCHAR iVector[2];
+ signed char iDelta;
+ signed char iNegDelta;
+}
+VECTOR_DELTA;
+
+extern ULONG g_uDistance[256];
+extern ULONG *g_pDistance;
+extern VECTOR_DELTA g_VectorDelta[256];
+extern VECTOR_DELTA *g_pVectorDelta;
+extern CHAR g_SwapTable[14][32][32];
+extern SCORE _PSQT[14][128];
+extern ULONG g_uSearchSortLimits[];
+extern MOVE NULLMOVE;
+extern MOVE HASHMOVE;
+extern MOVE RECOGNMOVE;
+extern MOVE DRAWMOVE;
+extern MOVE MATEMOVE;
+extern FLAG g_fIsWhiteSquare[128];
+extern BITBOARD BBFILE[8];
+extern BITBOARD BBRANK[9];
+extern BITBOARD BBWHITESQ;
+extern BITBOARD BBBLACKSQ;
+extern BITBOARD BBLEFTSIDE;
+extern BITBOARD BBRIGHTSIDE;
+extern BITBOARD BBSQUARE[64];
+extern BITBOARD BBROOK_PAWNS;
+extern BITBOARD BBPRECEEDING_RANKS[8][2];
+extern BITBOARD BBADJACENT_FILES[8];
+extern BITBOARD BBADJACENT_RANKS[9];
+
+void
+InitializeWhiteSquaresTable(void);
+
+void
+InitializeVectorDeltaTable(void);
+
+void
+InitializeSwapTable(void);
+
+void
+InitializeDistanceTable(void);
+
+void
+InitializeSearchDepthArray(void);
+
+ULONG
+GetSearchSortLimit(ULONG);
+
+#ifdef DEBUG
+#define SEARCH_SORT_LIMIT(x) (GetSearchSortLimit((x)))
+#else
+#define SEARCH_SORT_LIMIT(x) (g_uSearchSortLimits[(x)])
+#endif
+
+#ifdef DEBUG
+ULONG CheckVectorWithIndex(int i, ULONG uColor);
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ CheckVectorWithIndex(i, color)
+
+int DirectionBetweenSquaresWithIndex(int i);
+#define CHECK_DELTA_WITH_INDEX(i) \
+ DirectionBetweenSquaresWithIndex(i)
+
+int DirectionBetweenSquaresFromTo(COOR, COOR);
+#define DIRECTION_BETWEEN_SQUARES(from, to) \
+ DirectionBetweenSquaresFromTo(from, to)
+
+int NegativeDirectionBetweenSquaresWithIndex(int i);
+#define NEG_DELTA_WITH_INDEX(i) \
+ NegativeDirectionBetweenSquaresWithIndex(i)
+
+FLAG IsSquareWhite(COOR c);
+#define IS_SQUARE_WHITE(c) \
+ IsSquareWhite(c)
+
+#else
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ (g_pVectorDelta[(i)].iVector[(color)])
+
+#define CHECK_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iDelta)
+
+#define DIRECTION_BETWEEN_SQUARES(cFrom, cTo) \
+ CHECK_DELTA_WITH_INDEX((int)(cFrom) - (int)(cTo))
+
+#define NEG_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iNegDelta)
+
+#define IS_SQUARE_WHITE(c) \
+ (g_fIsWhiteSquare[(c)])
+#endif
+
+//
+// san.c
+//
+MOVE
+ParseMoveSan(CHAR *szInput,
+ POSITION *pos);
+
+CHAR *
+MoveToSan(MOVE mv, POSITION *pos);
+
+//
+// testsan.c
+//
+void
+TestSan(void);
+
+//
+// list.c
+//
+void
+InitializeListHead(IN DLIST_ENTRY *pListHead);
+
+FLAG
+IsListEmpty(IN DLIST_ENTRY *pListHead);
+
+FLAG
+RemoveEntryList(IN DLIST_ENTRY *pEntry);
+
+DLIST_ENTRY *
+RemoveHeadList(IN DLIST_ENTRY *pListHead);
+
+DLIST_ENTRY *
+RemoveTailList(IN DLIST_ENTRY *pListHead);
+
+void
+InsertTailList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+void
+InsertHeadList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+//
+// command.c
+//
+void
+ParseUserInput(FLAG fSearching);
+
+FLAG
+InitializeCommandSystem(void);
+
+void
+CleanupCommandSystem(void);
+
+//
+// input.c
+//
+void
+InitInputSystemInBatchMode(void);
+
+ULONG
+InitInputSystemWithDedicatedThread(void);
+
+void
+PushNewInput(CHAR *buf);
+
+CHAR *
+PeekNextInput(void);
+
+CHAR *
+ReadNextInput(void);
+
+CHAR *
+BlockingReadInput(void);
+
+ULONG
+NumberOfPendingInputEvents(void);
+
+volatile extern FLAG g_fExitProgram;
+
+//
+// ics.c
+//
+MOVE
+ParseMoveIcs(CHAR *szInput, POSITION *pos);
+
+CHAR *
+MoveToIcs(MOVE mv);
+
+//
+// testics.c
+//
+void
+TestIcs(void);
+
+//
+// gamelist.c
+//
+typedef enum _ERESULT
+{
+ RESULT_BLACK_WON = -1,
+ RESULT_DRAW = 0,
+ RESULT_WHITE_WON = 1,
+ RESULT_IN_PROGRESS,
+ RESULT_ABANDONED,
+ RESULT_UNKNOWN
+} ERESULT;
+
+typedef struct _GAME_RESULT
+{
+ ERESULT eResult;
+ CHAR szDescription[256];
+} GAME_RESULT;
+
+typedef struct _GAME_PLAYER
+{
+ CHAR *szName;
+ CHAR *szDescription;
+ FLAG fIsComputer;
+ ULONG uRating;
+}
+GAME_PLAYER;
+
+typedef struct _GAME_HEADER
+{
+ CHAR *szGameDescription;
+ CHAR *szLocation;
+ GAME_PLAYER sPlayer[2];
+ FLAG fGameIsRated;
+ UINT64 u64OpeningSig;
+ GAME_RESULT result;
+ CHAR *szInitialFen;
+}
+GAME_HEADER;
+
+typedef struct _GAME_MOVE
+{
+ DLIST_ENTRY links;
+ ULONG uNumber;
+ MOVE mv;
+ CHAR *szComment;
+ CHAR *szDecoration;
+ CHAR *szMoveInSan;
+ CHAR *szMoveInIcs;
+ CHAR *szUndoPositionFen;
+ SCORE iMoveScore;
+ UINT64 u64PositionSigAfterMove;
+ UINT64 u64PositionSigBeforeMove;
+ volatile FLAG fInUse;
+}
+GAME_MOVE;
+
+typedef struct _GAME_DATA
+{
+ GAME_HEADER sHeader;
+ DLIST_ENTRY sMoveList;
+}
+GAME_DATA;
+
+extern GAME_DATA g_GameData;
+
+POSITION *
+GetRootPosition(void);
+
+FLAG
+SetRootPosition(CHAR *szFen);
+
+void
+ResetGameList(void);
+
+ULONG
+GetMoveNumber(ULONG uColor);
+
+void
+SetGameResultAndDescription(GAME_RESULT result);
+
+GAME_RESULT
+GetGameResult(void);
+
+void
+SetMyName(void);
+
+void
+SetOpponentsName(CHAR *sz);
+
+void
+SetMyRating(ULONG u);
+
+void
+SetOpponentsRating(ULONG u);
+
+void
+DumpGameList(void);
+
+void
+TellGamelistThatIPlayColor(ULONG u);
+
+void
+DumpPgn(void);
+
+FLAG
+LoadPgn(CHAR *szPgn);
+
+ULONG
+CountOccurrancesOfSigInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+DoesSigAppearInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+OfficiallyTakebackMove(void);
+
+FLAG
+OfficiallyMakeMove(MOVE mv, SCORE iMoveScore, FLAG fFast);
+
+GAME_MOVE *
+GetNthOfficialMoveRecord(ULONG n);
+
+void
+MakeStatusLine(void);
+
+FLAG
+IsLegalDrawByRepetition(void);
+
+//
+// script.c
+//
+COMMAND(ScriptCommand);
+
+COMMAND(SolutionCommand);
+
+COMMAND(AvoidCommand);
+
+COMMAND(IdCommand);
+
+void
+PostMoveTestSuiteReport(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+CheckTestSuiteMove(MOVE mv, SCORE iScore, ULONG uDepth);
+
+FLAG
+WeAreRunningASuite(void);
+
+
+//
+// vars.c
+//
+COMMAND(SetCommand);
+
+//
+// root.c
+//
+extern ULONG g_uSoftExtendLimit;
+extern ULONG g_uHardExtendLimit;
+extern volatile MOVE_TIMER g_MoveTimer;
+extern ULONG g_uExtensionReduction[MAX_PLY_PER_SEARCH];
+
+#ifdef PERF_COUNTERS
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x) \
+ ctx->sCounters.tree.u64BetaCutoffs++; \
+ if (x) \
+ { \
+ ctx->sCounters.tree.u64BetaCutoffsOnFirstMove++;\
+ }
+#else
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x)
+#endif
+
+#define GAME_NOT_OVER 0
+#define GAME_WHITE_WON 1
+#define GAME_BLACK_WON 2
+#define GAME_DRAW_STALEMATE 3
+#define GAME_DRAW_REPETITION 4
+#define GAME_ONE_LEGAL_MOVE 5
+#define GAME_DRAW_FIFTY_MOVES_WO_PROGRESS 6
+
+GAME_RESULT
+Think(POSITION *pos);
+
+GAME_RESULT
+Ponder(POSITION *pos);
+
+GAME_RESULT
+Iterate(SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+SetMoveTimerForSearch(FLAG fSwitchOver, ULONG uColor);
+
+void
+SetMoveTimerToThinkForever(void);
+
+void
+ClearRootNodecountHash(void);
+
+//
+// draw.c
+//
+FLAG
+IsDraw(SEARCHER_THREAD_CONTEXT *ctx);
+
+
+//
+// search.c
+//
+#define QPLIES_OF_NON_CAPTURE_CHECKS (1)
+#define FUTILITY_BASE_MARGIN (50) // + ctx->uPositional (min 100)
+#define DO_IID
+#define IID_R_FACTOR (TWO_PLY + HALF_PLY)
+
+#ifndef MP
+#define WE_SHOULD_STOP_SEARCHING (g_MoveTimer.bvFlags & TIMER_STOPPING)
+#else
+#define WE_SHOULD_STOP_SEARCHING ((g_MoveTimer.bvFlags & TIMER_STOPPING) || \
+ (ThreadUnderTerminatingSplit(ctx)))
+#endif
+
+SCORE FASTCALL
+QSearch(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+SCORE FASTCALL
+Search(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth);
+
+
+//
+// searchsup.c
+//
+SCORE
+ComputeMoveScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv,
+ IN ULONG uMoveNum);
+
+FLAG
+ThreadUnderTerminatingSplit(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+WeShouldDoHistoryPruning(IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uRemainingDepth,
+ IN ULONG uLegalMoves,
+ IN MOVE mv,
+ IN ULONG uMoveNum,
+ IN INT iExtend);
+
+FLAG
+WeShouldTryNullmovePruning(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SCORE iRoughEval,
+ IN ULONG uNullDepth);
+
+FLAG
+TryNullmovePruning(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT FLAG *pfThreat,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uNullDepth,
+ IN OUT INT *piOrigExtend,
+ OUT SCORE *piNullScore);
+
+void
+UpdatePV(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv);
+
+FLAG
+CheckInputAndTimers(IN SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ComputeReactionToCheckExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uGenFlags,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN OUT INT *piExtend,
+ IN OUT INT *piOrigExtend);
+
+void
+ComputeMoveExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN ULONG uDepth,
+ IN OUT INT *piExtend);
+
+SCORE
+RescoreMovesViaSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uDepth,
+ IN SCORE iAlpha,
+ IN SCORE iBeta);
+
+FLAG
+MateDistancePruningCutoff(IN ULONG uPly,
+ IN FLAG fInCheck,
+ IN OUT SCORE *piBestScore,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta);
+
+FLAG
+CommonSearchInit(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta,
+ IN OUT SCORE *piScore);
+
+ULONG
+SelectNullmoveRFactor(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN INT uDepth);
+
+#define VERIFY_BEFORE (1)
+#define VERIFY_AFTER (2)
+
+FLAG
+SanityCheckMoves(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uCurrent,
+ IN ULONG uType);
+
+
+//
+// testsearch.c
+//
+FLAG
+TestSearch(void);
+
+//
+// see.c
+//
+#define SEE_HEAPS
+
+SCORE
+SEE(POSITION *pos,
+ MOVE mv);
+
+typedef struct _SEE_THREESOME
+{
+ PIECE pPiece;
+ COOR cLoc;
+ ULONG uVal;
+} SEE_THREESOME;
+
+typedef struct _SEE_LIST
+{
+ ULONG uCount;
+ SEE_THREESOME data[16];
+}
+SEE_LIST;
+
+SCORE
+ControlsSquareMinusPiece(ULONG uSide,
+ POSITION *pos,
+ COOR c,
+ COOR cIgnore);
+
+//
+// testsee.c
+//
+SCORE
+DebugSEE(POSITION *pos,
+ MOVE mv);
+
+void
+TestGetAttacks(void);
+
+//
+// hash.c
+//
+#define NUM_HASH_ENTRIES_PER_LINE 4
+#define HASH_FLAG_EXACT 0x1
+#define HASH_FLAG_LOWER 0x2
+#define HASH_FLAG_UPPER 0x4
+#define HASH_FLAG_VALID_BOUNDS 0x7
+#define HASH_FLAG_THREAT 0x8
+#define HASH_FLAG_DIRTY 0xF0
+
+typedef struct _HASH_ENTRY
+{
+ MOVE mv; // 0 1 2 3
+ UCHAR uDepth; // 4
+ UCHAR bvFlags; // 5 ==> d d d d | thr up low exact
+ signed short iValue; // 6 7
+ UINT64 u64Sig; // 8 9 A B C D E F == 16 bytes
+} HASH_ENTRY;
+
+FLAG
+InitializeHashSystem(void);
+
+void
+CleanupHashSystem(void);
+
+void
+ClearHashTable(void);
+
+void
+DirtyHashTable(void);
+
+void
+StoreLowerBound(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+void
+StoreExactScore(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat,
+ ULONG uPly);
+
+void
+StoreUpperBound(//MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+
+HASH_ENTRY *
+HashLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ ULONG uNextDepth,
+ SCORE iAlpha,
+ SCORE iBeta,
+ FLAG *pfThreat,
+ FLAG *pfAvoidNull,
+ MOVE *pHashMove,
+ SCORE *piScore);
+
+COOR
+CheckHashForDangerSquare(POSITION *pos);
+
+MOVE
+GetPonderMove(POSITION *pos);
+
+extern ULONG g_uHashTableSizeEntries;
+extern ULONG g_uHashTableSizeBytes;
+extern HASH_ENTRY *g_pHashTable;
+
+//
+// testhash.c
+//
+void
+AnalyzeFullHashTable(void);
+
+//
+// positionhash.c
+//
+// IDEA: store "mate threat" flag in here?
+// IDEA: store "king safety" numbers in here?
+//
+typedef struct _POSITION_HASH_ENTRY {
+ UINT64 u64Sig;
+ UCHAR cEnprise[2];
+ UCHAR uEnpriseCount[2];
+ UCHAR cTrapped[2];
+} POSITION_HASH_ENTRY;
+
+void
+InitializePositionHashSystem(void);
+
+void
+CleanupPositionHashSystem(void);
+
+void
+StoreEnprisePiece(POSITION *pos, COOR cSquare);
+
+void
+StoreTrappedPiece(POSITION *pos, COOR cSquare);
+
+COOR
+GetEnprisePiece(POSITION *pos, ULONG uSide);
+
+ULONG
+GetEnpriseCount(POSITION *pos, ULONG uSide);
+
+COOR
+GetTrappedPiece(POSITION *pos, ULONG uSide);
+
+FLAG
+SideCanStandPat(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleDespiteMove(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleAfterNull(POSITION *pos, ULONG uSide);
+
+//
+// pawnhash.c
+//
+#define COOR_TO_BIT(x) ((x) & 0x7) + ((0x7 - ((x) >> 4)) << 3)
+
+void
+ClearPawnHashStats(void);
+
+void
+ReportPawnHashStats(void);
+
+PAWN_HASH_ENTRY *
+PawnHashLookup(SEARCHER_THREAD_CONTEXT *ctx);
+
+//
+// eval.c
+//
+#define LAZY_EVAL
+#define LAZE_EVAL_BASE_SCORE 10
+extern const int g_iAhead[2];
+extern const int g_iBehind[2];
+
+ULONG
+DNABufferSizeBytes();
+
+char *
+ExportEvalDNA();
+
+FLAG
+WriteEvalDNA(char *szFilename);
+
+FLAG
+ImportEvalDNA(char *p);
+
+FLAG
+ReadEvalDNA(char *szFilename);
+
+
+
+SCORE
+Eval(SEARCHER_THREAD_CONTEXT *, SCORE, SCORE);
+
+FLAG
+EvalPasserRaces(POSITION *,
+ PAWN_HASH_ENTRY *);
+
+ULONG
+CountKingSafetyDefects(POSITION *pos,
+ ULONG uSide);
+
+//
+// testeval.c
+//
+#ifdef EVAL_DUMP
+void
+TestEval(void);
+
+void
+EvalTraceReport(void);
+
+void
+EvalTrace(ULONG uColor, PIECE p, COOR c, SCORE iVal, CHAR *szMessage);
+
+SCORE
+EvalSigmaForPiece(POSITION *pos, COOR c);
+
+void
+EvalTraceClear(void);
+
+void
+TestEvalWithSymmetry(void);
+
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ); \
+ EvalTrace((COL), (PIE), (COO), (ADJ), (MESS));
+#else
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ);
+#endif
+
+//
+// bitboard.c
+//
+void
+InitializeBitboards(void);
+
+ULONG CDECL
+SlowCountBits(BITBOARD bb);
+
+ULONG CDECL
+DeBruijnFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowLastBit(BITBOARD bb);
+
+#ifdef CROUTINES
+#define CountBits SlowCountBits
+#define FirstBit SlowFirstBit
+#define LastBit SlowLastBit
+#endif
+
+COOR
+CoorFromBitBoardRank8ToRank1(BITBOARD *pbb);
+
+COOR
+CoorFromBitBoardRank1ToRank8(BITBOARD *pbb);
+
+//
+// x86.asm
+//
+ULONG CDECL
+CountBits(BITBOARD bb);
+
+ULONG CDECL
+FirstBit(BITBOARD bb);
+
+ULONG CDECL
+LastBit(BITBOARD bb);
+
+ULONG CDECL
+LockCompareExchange(volatile void *pDest,
+ ULONG uExch,
+ ULONG uComp);
+
+ULONG CDECL
+LockIncrement(volatile void *pDest);
+
+ULONG CDECL
+LockDecrement(volatile void *pDest);
+
+FLAG CDECL
+CanUseParallelOpcodes();
+
+ULONG CDECL
+ParallelCompareUlong(ULONG uComparand, void *pComparators);
+
+ULONG CDECL
+ParallelCompareVector(void *pComparand, void *pComparators);
+
+void CDECL
+GetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+
+void CDECL
+SlowGetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+#ifdef CROUTINES
+#define GetAttacks SlowGetAttacks
+#endif
+
+#ifdef _X86_
+//
+// Note: this is most of the stuff that x86.asm assumes about the
+// internal data structures. If any of this fails then either the
+// assembly language code needs to be updated or you need to use the C
+// version of the routine in see.c instead.
+//
+#define ASSERT_ASM_ASSUMPTIONS \
+ ASSERT(VALUE_PAWN == 100); \
+ ASSERT(OFFSET_OF(uCount, SEE_LIST) == 0); \
+ ASSERT(OFFSET_OF(data, SEE_LIST) == 4); \
+ ASSERT(sizeof(SEE_THREESOME) == 12); \
+ ASSERT(OFFSET_OF(pPiece, SEE_THREESOME) == 0); \
+ ASSERT(OFFSET_OF(cLoc, SEE_THREESOME) == 4); \
+ ASSERT(OFFSET_OF(uVal, SEE_THREESOME) == 8); \
+ ASSERT(OFFSET_OF(cNonPawns, POSITION) == 0x478); \
+ ASSERT(OFFSET_OF(uNonPawnCount, POSITION) == 0x500); \
+ ASSERT(OFFSET_OF(rgSquare, POSITION) == 0); \
+ ASSERT(sizeof(SQUARE) == 8); \
+ ASSERT(sizeof(VECTOR_DELTA) == 4); \
+ ASSERT(sizeof(g_VectorDelta) == 256 * 4); \
+ ASSERT(OFFSET_OF(iVector, VECTOR_DELTA) == 0); \
+ ASSERT(OFFSET_OF(iDelta, VECTOR_DELTA) == 2); \
+ ASSERT(OFFSET_OF(iNegDelta, VECTOR_DELTA) == 3); \
+ ASSERT(sizeof(g_PieceData) == 8 * 4 * 4); \
+ ASSERT(OFFSET_OF(uValue, PIECE_DATA) == 0);
+#else
+#define ASSERT_ASM_ASSUMPTIONS
+#endif
+
+//
+// testbitboard.c
+//
+void
+TestBitboards(void);
+
+//
+// dynamic.c
+//
+extern ULONG g_HistoryCounters[14][128];
+
+ULONG
+GetMoveFailHighPercentage(MOVE mv);
+
+void
+UpdateDynamicMoveOrdering(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uRemainingDepth,
+ MOVE mvBest,
+ SCORE iScore,
+ ULONG uCurrent);
+
+void
+NewKillerMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv, SCORE iScore);
+
+FLAG
+InitializeDynamicMoveOrdering(void);
+
+void
+CleanupDynamicMoveOrdering(void);
+
+void
+ClearDynamicMoveOrdering(void);
+
+void
+MaintainDynamicMoveOrdering(void);
+
+void
+IncrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+void
+DecrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+//
+// split.c
+//
+extern volatile ULONG g_uNumHelpersAvailable;
+extern ULONG g_uNumHelperThreads;
+
+FLAG
+InitializeParallelSearch(void);
+
+FLAG
+CleanupParallelSearch(void);
+
+void
+ClearHelperThreadIdleness(void);
+
+void
+DumpHelperIdlenessReport(void);
+
+SCORE
+StartParallelSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN SCORE iBeta,
+ IN OUT SCORE *piBestScore,
+ IN OUT MOVE *pmvBest,
+ IN ULONG uMoveNum,
+ IN INT iPositionExtend,
+ IN ULONG uDepth);
+
+void
+InitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ReInitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+InitializeLightweightSearcherContext(POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx);
+
+//
+// book.c
+//
+
+#define BOOK_PROBE_MISS_LIMIT (7)
+#define FLAG_DISABLED (1)
+#define FLAG_ALWAYSPLAY (2)
+#define FLAG_DELETED (4)
+
+#define BOOKMOVE_SELECT_MOVE (1)
+#define BOOKMOVE_DUMP (2)
+
+#pragma pack(4)
+typedef struct _BOOK_ENTRY
+{
+ UINT64 u64Sig; // 8 bytes
+ UINT64 u64NextSig; // 8 bytes
+ MOVE mvNext; // 4 bytes
+ ULONG uWins; // 4 bytes
+ ULONG uDraws; // 4 bytes
+ ULONG uLosses; // 4 bytes
+ BITV bvFlags; // 4 bytes
+}
+BOOK_ENTRY;
+#pragma pack()
+
+typedef struct _OPENING_NAME_MAPPING
+{
+ UINT64 u64Sig;
+ CHAR *szString;
+}
+OPENING_NAME_MAPPING;
+
+#define BOOK_EDITING_RECORD "bkedit.edt"
+#define OPENING_LEARNING_FILENAME "bklearn.bin"
+
+typedef struct _OPENING_LEARNING_ENTRY
+{
+ UINT64 u64Sig;
+ ULONG uWhiteWins;
+ ULONG uDraws;
+ ULONG uBlackWins;
+}
+OPENING_LEARNING_ENTRY;
+
+FLAG
+InitializeOpeningBook(void);
+
+void
+ResetOpeningBook(void);
+
+void
+CleanupOpeningBook(void);
+
+MOVE
+BookMove(POSITION *pos,
+ BITV bvFlags);
+
+COMMAND(BookCommand);
+
+extern ULONG g_uBookProbeFailures;
+extern FLAG g_fTournamentMode;
+extern CHAR *g_szBookName;
+
+//
+// bench.c
+//
+COMMAND(BenchCommand);
+
+//
+// testdraw.c
+//
+void
+TestDraw(void);
+
+//
+// probe.c
+//
+FLAG
+ProbeEGTB(SEARCHER_THREAD_CONTEXT *ctx, SCORE *score);
+
+void
+InitializeEGTB(void);
+
+void
+CleanupEGTB(void);
+
+//
+// dumptree.c
+//
+#ifdef DUMP_TREE
+
+void
+InitializeTreeDump(void);
+
+void
+CleanupTreeDump(void);
+
+void
+DTEnterNode(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fIsQNode,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+void
+DTLeaveNode(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fQNode,
+ SCORE iBestScore,
+ MOVE mvBestMove);
+
+void CDECL
+DTTrace(ULONG uPly, CHAR *szMessage, ...);
+
+#define DTTRACE(...) DTTrace(ctx->uPly, __VA_ARGS__)
+
+#else
+
+#define DTTRACE(...)
+
+#define DTEnterNode(...)
+
+#define DTLeaveNode(...)
+
+#define InitializeTreeDump(...)
+
+#define CleanupTreeDump(...)
+
+#endif
+
+//
+// testsup.c
+//
+FLAG
+IsBoardLegal(POSITION *pos);
+
+void
+GenerateRandomLegalPosition(POSITION *pos);
+
+void
+GenerateRandomLegalSymetricPosition(POSITION *pos);
+
+//
+// recogn.c
+//
+#define UNRECOGNIZED (0)
+#define RECOGN_EXACT (1)
+#define RECOGN_UPPER (2)
+#define RECOGN_LOWER (3)
+#define RECOGN_EGTB (4)
+
+void
+InitializeInteriorNodeRecognizers(void);
+
+ULONG
+RecognLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE *piScore,
+ FLAG fProbeEGTB);
+
+#ifdef EVAL_HASH
+void
+ClearEvalHashStats(void);
+
+void
+ReportEvalHashStats(void);
+
+SCORE
+ProbeEvalHash(SEARCHER_THREAD_CONTEXT *ctx);
+
+SCORE
+GetRoughEvalScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN FLAG fUseHash);
+
+void
+StoreEvalHash(SEARCHER_THREAD_CONTEXT *ctx, SCORE iScore);
+#endif // EVAL_HASH
+
+#endif // CHESS
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ chess.h
+
+Abstract:
+
+Author:
+
+
+Revision History:
+
+ $Id: chess.h 344 2007-11-30 06:49:50Z scott $
+
+**/
+
+#ifndef CHESS_
+#define CHESS_
+
+#include "compiler.h"
+
+//
+// Datatype wrappers
+//
+#define MIN_CHAR (0x80)
+#define MAX_CHAR (0x7f)
+typedef char CHAR;
+
+#define MIN_BYTE (0x00)
+#define MAX_BYTE (0xff)
+typedef unsigned char BYTE;
+
+#define MIN_UCHAR (0x00)
+#define MAX_UCHAR (0xff)
+typedef unsigned char UCHAR;
+#define CAN_FIT_IN_UCHAR(x) ((x) <= MAX_UCHAR)
+
+#define MIN_SHORT (0x8000)
+#define MAX_SHORT (0x7fff)
+typedef signed short SHORT;
+
+#define MIN_USHORT (0x0000)
+#define MAX_USHORT (0xffff)
+typedef unsigned short USHORT;
+#define CAN_FIT_IN_USHORT(x) ((x) <= MAX_USHORT)
+
+#define MIN_WORD (0x0000)
+#define MAX_WORD (0xffff)
+typedef unsigned short WORD;
+
+#define MIN_INT (0x80000000)
+#define MAX_INT (0x7fffffff)
+typedef signed int INT;
+
+#define MIN_DWORD (0x00000000)
+#define MAX_DWORD (0xffffffff)
+typedef unsigned int DWORD;
+
+#define MIN_UINT (0x00000000)
+#define MAX_UINT (0xffffffff)
+typedef unsigned int UINT;
+
+#define MIN_ULONG (0x00000000)
+#define MAX_ULONG (0xffffffff)
+typedef unsigned int ULONG;
+
+#define MIN_INT64 (0x8000000000000000)
+#define MAX_INT64 (0x7fffffffffffffff)
+typedef signed COMPILER_LONGLONG INT64;
+
+#define MIN_UINT64 (0x0000000000000000)
+#define MAX_UINT64 (0xffffffffffffffff)
+typedef unsigned COMPILER_LONGLONG UINT64;
+
+#define MIN_BITBOARD (0x0000000000000000)
+#define MAX_BITBOARD (0xffffffffffffffff)
+typedef UINT64 BITBOARD;
+
+#define MIN_BITV MIN_UINT
+#define MAX_BITV MAX_UINT
+typedef unsigned int BITV;
+
+#define MIN_FLAG MIN_UINT
+#define MAX_FLAG MAX_UINT
+typedef unsigned int FLAG;
+#define IS_VALID_FLAG(x) (((x) == TRUE) || ((x) == FALSE))
+
+typedef unsigned int COOR;
+typedef unsigned int PIECE;
+typedef signed int SCORE;
+
+#define BIT1 (0x1)
+#define BIT2 (0x2)
+#define BIT3 (0x4)
+#define BIT4 (0x8)
+#define BIT5 (0x10)
+#define BIT6 (0x20)
+#define BIT7 (0x40)
+#define BIT8 (0x80)
+#define BIT9 (0x100)
+#define BIT10 (0x200)
+#define BIT11 (0x400)
+#define BIT12 (0x800)
+#define BIT13 (0x1000)
+#define BIT14 (0x2000)
+#define BIT15 (0x4000)
+#define BIT16 (0x8000)
+#define BIT17 (0x10000)
+#define BIT18 (0x20000)
+#define BIT19 (0x40000)
+#define BIT20 (0x80000)
+#define BIT21 (0x100000)
+#define BIT22 (0x200000)
+#define BIT23 (0x400000)
+#define BIT24 (0x800000)
+#define BIT25 (0x1000000)
+#define BIT26 (0x2000000)
+#define BIT27 (0x4000000)
+#define BIT28 (0x8000000)
+#define BIT29 (0x10000000)
+#define BIT30 (0x20000000)
+#define BIT31 (0x40000000)
+#define BIT32 (0x80000000)
+
+typedef struct _DLIST_ENTRY
+{
+ struct _DLIST_ENTRY *pFlink;
+ struct _DLIST_ENTRY *pBlink;
+} DLIST_ENTRY;
+
+//
+// Constants
+//
+#define YES (1)
+#define NO (0)
+#ifndef TRUE
+#define TRUE (YES)
+#endif
+#ifndef FALSE
+#define FALSE (NO)
+#endif
+
+//
+// Calculate the length of an array (i.e. number of elements)
+//
+#define ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
+#define COMMAND(x) \
+ void (x)(CHAR *szInput, ULONG argc, CHAR *argv[], POSITION *pos)
+#define MB (1024 * 1024)
+
+//
+// Calculate the address of the base of the structure given its type, and an
+// address of a field within the structure.
+//
+#ifndef OFFSET_OF
+#define OFFSET_OF(field, type) \
+ (ULONG)(&((type *)0)->field)
+#endif
+#ifndef CONTAINING_STRUCT
+#define CONTAINING_STRUCT(address, type, field) \
+ ((type *)((BYTE *)(address) - (BYTE *)(OFFSET_OF(field, type))))
+#endif
+
+#define WHITE (1)
+#define BLACK (0)
+#define BAD_COLOR (2)
+#define IS_VALID_COLOR(x) (((x) == WHITE) || ((x) == BLACK))
+#define FOREACH_COLOR(x) for((x) = BLACK; (x) < BAD_COLOR; (x)++)
+#define RANDOM_COLOR (rand() & 1)
+#define FLIP(color) ((color) ^ 1)
+#define COLOR_NAME(color) (((color) == WHITE) ? "white" : "black")
+
+#define MAX_MOVES_PER_PLY (218)
+#define MAX_PLY_PER_SEARCH (64)
+#define MAX_MOVES_PER_GAME (1024)
+#define SMALL_STRING_LEN_CHAR (256)
+#define MEDIUM_STRING_LEN_CHAR (8192)
+#define BIG_STRING_LEN_CHAR (16384)
+
+#define QUARTER_PLY 16
+#define HALF_PLY 32
+#define THREE_QUARTERS_PLY 48
+#define ONE_PLY 64
+#define TWO_PLY 128
+#define THREE_PLY 192
+#define FOUR_PLY 256
+#define MAX_DEPTH_PER_SEARCH (MAX_PLY_PER_SEARCH * ONE_PLY)
+
+#define IS_VALID_DEPTH(x) (((x) >= 0) && \
+ ((x) <= MAX_DEPTH_PER_SEARCH) && \
+ (((x) & 0xfffff00f) == 0))
+
+#define INFINITY (MAX_SHORT)
+#define INVALID_SCORE (INFINITY + 1)
+#define IS_VALID_SCORE(x) (((x) >= -INFINITY) && \
+ ((x) <= +INFINITY))
+#define NMATE (+INFINITY - 200)
+#define MATED_SCORE(ply) (-INFINITY + (ply))
+
+#define IS_A_POWER_OF_2(x) (((x) & (x - 1)) == 0)
+//
+// Program version number
+//
+#define VERSION "1.00"
+#define REVISION "$Id: chess.h 344 2007-11-30 06:49:50Z scott $\n"
+
+//
+// Function decorators
+//
+#define IN
+#define OUT
+#define INOUT
+#define UNUSED
+#define NOTHING
+
+// ----------------------------------------------------------------------
+//
+// PIECE:
+//
+// a piece (4 bits) = type (3 bits) + color (1 bit)
+//
+// 3 1 0
+// . . . .
+// | | |
+// type C
+//
+#define KING (6) // 110X
+#define QUEEN (5) // 101X
+#define ROOK (4) // 100X
+#define BISHOP (3) // 011X
+#define KNIGHT (2) // 010X
+#define PAWN (1) // 001X
+#define EMPTY (0) // 000X
+
+// (WHATEVER << 1)
+#define BLACK_PAWN (2) // 0010
+#define BLACK_KNIGHT (4) // 0100
+#define BLACK_BISHOP (6) // 0110
+#define BLACK_ROOK (8) // 1000
+#define BLACK_QUEEN (10) // 1010
+#define BLACK_KING (12) // 1100
+
+// (WHATEVER << 1) | WHITE
+#define WHITE_PAWN (3) // 0011
+#define WHITE_KNIGHT (5) // 0101
+#define WHITE_BISHOP (7) // 0111
+#define WHITE_ROOK (9) // 1001
+#define WHITE_QUEEN (11) // 1011
+#define WHITE_KING (13) // 1101
+
+#define PIECE_TYPE(p) ((p) >> 1)
+#define PIECE_COLOR(p) ((p) & WHITE)
+#define RANDOM_PIECE (rand() % 12) + 2;
+#define IS_PAWN(p) (((p) & 0xE) == BLACK_PAWN)
+#define IS_KNIGHT(p) (((p) & 0xE) == BLACK_KNIGHT)
+#define IS_BISHOP(p) (((p) & 0xE) == BLACK_BISHOP)
+#define IS_ROOK(p) (((p) & 0xE) == BLACK_ROOK)
+#define IS_QUEEN(p) (((p) & 0xE) == BLACK_QUEEN)
+#define IS_KING(p) (((p) & 0xE) == BLACK_KING)
+#define IS_KNIGHT_OR_KING(p) (((p) & 0x6) == 0x4)
+#define IS_VALID_PIECE(p) ((PIECE_TYPE((p)) >= PAWN) && \
+ (PIECE_TYPE((p)) <= KING))
+#define IS_WHITE_PIECE(p) ((p) & WHITE)
+#define IS_BLACK_PIECE(p) (!IS_WHITE(p))
+#define OPPOSITE_COLORS(p, q) (((p) ^ (q)) & WHITE)
+#define SAME_COLOR(p,q) (!OPPOSITE_COLORS(p, q))
+#define GET_COLOR(p) ((p) & WHITE)
+
+// ----------------------------------------------------------------------
+//
+// a coordinate (8 bits) = rank + file (0x88)
+//
+// 7 4 3 0
+// . . . . . . . .
+// | | |
+// rank file
+// | |
+// | +--- 0-7 = file A thru file H
+// |
+// +------------ 0-7 = rank 1 thru rank 8
+//
+// given a coordinate, C, if C & 0x88 then it is illegal (off board)
+//
+//
+// 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+// +---------------------------------------+
+// 8 | 00 |:01:| 02 |:03:| 04 |:05:| 06 |:07:| 0x00
+// 7 |:10:| 11 |:12:| 13 |:14:| 15 |:16:| 17 | 0x10
+// 6 | 20 |:21:| 22 |:23:| 24 |:25:| 26 |:27:| 0x20
+// 5 |:30:| 31 |:32:| 33 |:34:| 35 |:36:| 37 | 0x30
+// 4 | 40 |:41:| 42 |:43:| 44 |:45:| 46 |:47:| 0x40
+// 3 |:50:| 51 |:52:| 53 |:54:| 55 |:56:| 57 | 0x50
+// 2 | 60 |:61:| 62 |:63:| 64 |:65:| 66 |:67:| 0x60
+// 1 |:70:| 71 |:72:| 73 |:74:| 75 |:76:| 77 | 0x70
+// +---------------------------------------+
+// A B C D E F G H
+//
+#define A (0)
+#define B (1)
+#define C (2)
+#define D (3)
+#define E (4)
+#define F (5)
+#define G (6)
+#define H (7)
+
+#define A8 (0x00)
+#define B8 (0x01)
+#define C8 (0x02)
+#define D8 (0x03)
+#define E8 (0x04)
+#define F8 (0x05)
+#define G8 (0x06)
+#define H8 (0x07)
+
+#define A7 (0x10)
+#define B7 (0x11)
+#define C7 (0x12)
+#define D7 (0x13)
+#define E7 (0x14)
+#define F7 (0x15)
+#define G7 (0x16)
+#define H7 (0x17)
+
+#define A6 (0x20)
+#define B6 (0x21)
+#define C6 (0x22)
+#define D6 (0x23)
+#define E6 (0x24)
+#define F6 (0x25)
+#define G6 (0x26)
+#define H6 (0x27)
+
+#define A5 (0x30)
+#define B5 (0x31)
+#define C5 (0x32)
+#define D5 (0x33)
+#define E5 (0x34)
+#define F5 (0x35)
+#define G5 (0x36)
+#define H5 (0x37)
+
+#define A4 (0x40)
+#define B4 (0x41)
+#define C4 (0x42)
+#define D4 (0x43)
+#define E4 (0x44)
+#define F4 (0x45)
+#define G4 (0x46)
+#define H4 (0x47)
+
+#define A3 (0x50)
+#define B3 (0x51)
+#define C3 (0x52)
+#define D3 (0x53)
+#define E3 (0x54)
+#define F3 (0x55)
+#define G3 (0x56)
+#define H3 (0x57)
+
+#define A2 (0x60)
+#define B2 (0x61)
+#define C2 (0x62)
+#define D2 (0x63)
+#define E2 (0x64)
+#define F2 (0x65)
+#define G2 (0x66)
+#define H2 (0x67)
+
+#define A1 (0x70)
+#define B1 (0x71)
+#define C1 (0x72)
+#define D1 (0x73)
+#define E1 (0x74)
+#define F1 (0x75)
+#define G1 (0x76)
+#define H1 (0x77)
+
+// TODO: if use this anywhere that matters, consider double loop
+// and unrolling the inside loop to prevent the multiple
+// continue for invalid squares
+#define FOREACH_SQUARE(x) for((x) = (A8); (x) <= (H1); (x)++)
+
+#define IS_ON_BOARD(c) (!((c) & 0x88))
+#define RANDOM_COOR (rand() & 0x77)
+#define FILE_RANK_TO_COOR(f, r) (((8 - (r)) << 4) | (f))
+#define RANK(c) (8 - ((c) >> 4))
+#define RANK1(c) (((c) & 0xF0) == 0x70)
+#define RANK2(c) (((c) & 0xF0) == 0x60)
+#define RANK3(c) (((c) & 0xF0) == 0x50)
+#define RANK4(c) (((c) & 0xF0) == 0x40)
+#define RANK5(c) (((c) & 0xF0) == 0x30)
+#define RANK6(c) (((c) & 0xF0) == 0x20)
+#define RANK7(c) (((c) & 0xF0) == 0x10)
+#define RANK8(c) (((c) & 0xF0) == 0x00)
+#define FILE(c) ((c) & 0x0F)
+#define FILEA(c) (((c) & 0x0F) == 0x00)
+#define FILEB(c) (((c) & 0x0F) == 0x01)
+#define FILEC(c) (((c) & 0x0F) == 0x02)
+#define FILED(c) (((c) & 0x0F) == 0x03)
+#define FILEE(c) (((c) & 0x0F) == 0x04)
+#define FILEF(c) (((c) & 0x0F) == 0x05)
+#define FILEG(c) (((c) & 0x0F) == 0x06)
+#define FILEH(c) (((c) & 0x0F) == 0x07)
+#define IS_WHITE_SQUARE_FR(f, r) (((f) + (r) - 1) & 1)
+#define IS_WHITE_SQUARE_COOR(c) (IS_WHITE_SQUARE_FR(FILE(c), RANK(c)))
+#define VALID_EP_SQUARE(c) (((c) == ILLEGAL_COOR) || ((c) == 0) || \
+ (RANK3(c)) || \
+ (RANK6(c)))
+
+// ----------------------------------------------------------------------
+//
+// a move (4 bytes) = from/to, moved, captured, promoted and special
+//
+// 31 24 23 16 15 12 11 8 7 4 3 0
+// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+// | from | to | moved | capt | prom | flags |
+// | | | | |
+// | | | | |
+// | | | | |
+// | | +-------+-------+-- type and
+// | | color of
+// | | piece moved
+// | | captured and
+// | | promote targ
+// +---------------+-- board location where
+// move begins and ends
+//
+//
+// Special flag asserted on special move types:
+//
+// if (special)
+// {
+// if (moved == PAWN)
+// {
+// if (promotion)
+// {
+// move is a promote (w/ or w/o capture)
+// }
+// else if (capture)
+// {
+// move is an en passant catpure
+// }
+// else
+// {
+// move is a double jump
+// }
+// }
+// else if (moved == KING)
+// {
+// move is a castle (long or short)
+// }
+// else
+// {
+// invalid use of special flag
+// }
+// }
+//
+typedef union _MOVE
+{
+ ULONG uMove;
+ struct
+ {
+ UCHAR cFrom : 8;
+ UCHAR cTo : 8;
+ UCHAR pMoved : 4;
+ UCHAR pCaptured : 4;
+ UCHAR pPromoted : 4;
+ UCHAR bvFlags : 4;
+ };
+} MOVE;
+
+#define IS_SAME_MOVE(a, b) \
+ (((a).uMove & 0x0FFFFFFF) == (((b).uMove & 0x0FFFFFFF)))
+
+#define MAKE_MOVE(from,to,piece,cap,prom,flags) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20) | \
+ ((ULONG)(prom) << 24) | \
+ ((ULONG)(flags) << 28))
+
+#define MAKE_MOVE_WITH_NO_PROM_OR_FLAGS(from,to,piece,cap) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20))
+
+//
+// Move flag values:
+//
+#define MOVE_FLAG_SPECIAL (1) // en pass, prom, castle, double
+#define IS_SPECIAL_MOVE(mv) \
+ ((mv).uMove & 0x10000000)
+
+#define IS_CASTLE(mv) \
+ (IS_SPECIAL_MOVE(mv) && IS_KING((mv).pMoved))
+
+#ifdef DEBUG
+#define IS_PROMOTION(mv) \
+ (IS_SPECIAL_MOVE(mv) && ((mv).pPromoted))
+#else
+#define IS_PROMOTION(mv) \
+ ((mv).pPromoted)
+#endif
+
+#define IS_CAPTURE_OR_PROMOTION(mv) \
+ ((mv).uMove & 0x0FF00000)
+
+#define IS_ENPASSANT(mv) \
+ (IS_SPECIAL_MOVE(mv) && (mv.pCaptured) && !IS_PROMOTION(mv))
+
+#define IS_DOUBLE_JUMP(mv) \
+ (IS_SPECIAL_MOVE(mv) && !IS_CAPTURE_OR_PROMOTION(mv))
+
+#define MOVE_FLAG_KILLERMATE (2) // killer mate
+#define IS_KILLERMATE_MOVE(mv) ((mv).uMove & 0x20000000)
+
+#define MOVE_FLAG_ESCAPING_CHECK (4) // escaping check
+#define IS_ESCAPING_CHECK(mv) ((mv).uMove & 0x40000000)
+
+#define MOVE_FLAG_CHECKING (8) // checking move
+#define IS_CHECKING_MOVE(mv) ((mv).uMove & 0x80000000)
+
+// ----------------------------------------------------------------------
+//
+// Move list
+//
+#define MAX_MOVE_LIST (MAX_MOVES_PER_GAME + MAX_PLY_PER_SEARCH)
+
+// ----------------------------------------------------------------------
+
+#pragma pack(1)
+typedef union _ATTACK_BITV
+{
+ ULONG uWholeThing;
+ struct
+ {
+ union
+ {
+ UCHAR uSmall;
+ struct
+ {
+ UCHAR uNumAttacks : 3; // 0..2
+ UCHAR uKing : 1; // 4..7
+ UCHAR uQueen : 1;
+ UCHAR uRook : 1;
+ UCHAR uMinor : 1;
+ UCHAR uPawn : 1;
+ } small;
+ };
+
+ // --------------------
+ union
+ {
+ USHORT uBig;
+ struct
+ {
+ USHORT uKing : 1; // 8..23
+ USHORT uQueens : 4;
+ USHORT uRooks : 4;
+ USHORT uMinors : 4;
+ USHORT uPawns : 2;
+ USHORT uUnusedFlag1 : 1;
+ } big;
+ };
+
+ // -------------------
+ union
+ {
+ UCHAR uXray;
+ struct
+ {
+ UCHAR uNumXrays : 3;
+ UCHAR uUnusedFlag2 : 1;
+ UCHAR uQueen : 1; // 24..28
+ UCHAR uRook : 1;
+ UCHAR uBishop : 1;
+ UCHAR uUnusedFlag3 : 1;
+ } xray;
+ };
+ };
+}
+ATTACK_BITV;
+
+#define UNSAFE_FOR_MINOR(x) ((ULONG)((x).uWholeThing) & 0x00000080UL)
+#define UNSAFE_FOR_ROOK(x) ((ULONG)((x).uWholeThing) & 0x000000C0UL)
+#define UNSAFE_FOR_QUEEN(x) ((ULONG)((x).uWholeThing) & 0x000000E0UL)
+
+#define PAWN_BIT 0x00000080UL
+#define MINOR_BIT 0x00000040UL
+#define MINOR_XRAY_BIT 0x40000000UL
+#define ROOK_BIT 0x00000020UL
+#define ROOK_XRAY_BIT 0x20000000UL
+#define QUEEN_BIT 0x00000010UL
+#define QUEEN_XRAY_BIT 0x10000000UL
+
+#define INVALID_PIECE_INDEX (17)
+#define IS_VALID_PIECE_INDEX(x) ((x) < INVALID_PIECE_INDEX)
+
+typedef union _SQUARE
+{
+ struct
+ {
+ PIECE pPiece;
+ ULONG uIndex;
+ };
+ ATTACK_BITV bvAttacks[2];
+}
+SQUARE;
+#pragma pack()
+
+//
+// POSITION
+//
+typedef struct _POSITION
+{
+ SQUARE rgSquare[128]; // where the pieces are,
+ // also, the attack table
+ UINT64 u64NonPawnSig; // hash signature
+ UINT64 u64PawnSig; // pawn hash signature
+ ULONG uToMove; // whose turn?
+ ULONG uFifty; // 50 moves w/o progress = draw
+ FLAG fCastled[2]; // record when sides have castled
+ BITV bvCastleInfo; // who can castle how?
+ COOR cEpSquare; // en-passant capture square
+
+ COOR cPawns[2][8]; // location of pawns on the board
+ ULONG uPawnMaterial[2]; // pawn material of each side
+ ULONG uPawnCount[2]; // number of pawns for each side
+
+ COOR cNonPawns[2][16]; // location of pieces on the board
+ ULONG uNonPawnMaterial[2]; // piece material of each side
+ ULONG uNonPawnCount[2][8]; // number of non-pawns / type
+ // 0 and 1 are the sum,
+ // 2..6 are per PIECE_TYPE
+
+ ULONG uWhiteSqBishopCount[2]; // num bishops on white squares
+ SCORE iMaterialBalance[2]; // material balance
+
+ // temporary storage space for use in eval
+ COOR cTrapped[2];
+ ULONG uArmyScaler[2];
+ ULONG uClosedScaler;
+ SCORE iScore[2];
+ SCORE iReducedMaterialDownScaler[2];
+ SCORE iTempScore;
+ ULONG uMinMobility[2];
+ COOR cPiece;
+ ULONG uMinorsAtHome[2];
+ BITBOARD bb;
+ ULONG uPiecesPointingAtKing[2];
+}
+POSITION;
+
+//
+// Castling permission bitvector flags.
+//
+#define CASTLE_WHITE_SHORT (1)
+#define CASTLE_WHITE_LONG (2)
+#define WHITE_CAN_CASTLE \
+ (CASTLE_WHITE_SHORT | CASTLE_WHITE_LONG)
+#define CASTLE_BLACK_SHORT (4)
+#define CASTLE_BLACK_LONG (8)
+#define BLACK_CAN_CASTLE \
+ (CASTLE_BLACK_SHORT | CASTLE_BLACK_LONG)
+#define CASTLE_NONE_POSSIBLE (0)
+#define CASTLE_ALL_POSSIBLE \
+ (WHITE_CAN_CASTLE | BLACK_CAN_CASTLE)
+
+// ----------------------------------------------------------------------
+//
+// Move stack
+//
+#define MAX_MOVE_STACK (MAX_PLY_PER_SEARCH * \
+ MAX_MOVES_PER_PLY)
+
+//
+// Main part of the move stack, triads of moves, their values and flags
+// that denote where the values came from
+//
+#define MVF_MOVE_SEARCHED (1)
+#define MVF_EXTEND_MOVE (2)
+#define MVF_REDUCE_MOVE (4)
+#define MVF_PRUNE_SUBTREE (8)
+
+typedef struct _MOVE_STACK_MOVE_VALUE_FLAGS
+{
+ SCORE iValue;
+ MOVE mv;
+ BITV bvFlags;
+}
+MOVE_STACK_MOVE_VALUE_FLAGS;
+
+typedef struct _KEY_POINTER
+{
+ int iPointer;
+ ULONG uKey;
+}
+KEY_POINTER;
+
+typedef union _GENERATOR_FLAGS
+{
+ struct {
+ UCHAR uMoveCount;
+ UCHAR uKingMoveCount;
+ UCHAR uCheckingPieces;
+ UCHAR uUnused;
+ };
+ ULONG uAllGenFlags;
+}
+GENERATOR_FLAGS;
+
+//
+// A move stack
+//
+typedef struct _MOVE_STACK
+{
+#ifdef DEBUG
+ POSITION board[MAX_PLY_PER_SEARCH];
+#endif
+ //
+ // Unblocked squares map, used for check detection
+ //
+ ULONG uUnblockedKeyValue[MAX_PLY_PER_SEARCH];
+ KEY_POINTER sUnblocked[MAX_PLY_PER_SEARCH][128];
+
+ //
+ // The main move list, a long series of moves, their values and some
+ // flag bits to tell search what the values are based upon.
+ //
+ MOVE_STACK_MOVE_VALUE_FLAGS mvf[MAX_MOVE_STACK];
+
+ //
+ // uBegin[ply] and uEnd[ply] specify the start and end of moves gen-
+ // erated for a position at ply distance from the root.
+ //
+ ULONG uPly;
+ ULONG uBegin[MAX_PLY_PER_SEARCH];
+ ULONG uEnd[MAX_PLY_PER_SEARCH];
+ MOVE mvHash[MAX_PLY_PER_SEARCH];
+ GENERATOR_FLAGS sGenFlags[MAX_PLY_PER_SEARCH];
+}
+MOVE_STACK;
+
+#define GENERATE_NO_MOVES \
+ ctx->sMoveStack.uEnd[ctx->uPly] = \
+ ctx->sMoveStack.uBegin[ctx->uPly] + 1; \
+ ctx->sMoveStack.uBegin[ctx->uPly + 1] = \
+ ctx->sMoveStack.uEnd[ctx->uPly]
+
+#define GENERATE_ALL_MOVES (1)
+#define GENERATE_ESCAPES (2)
+#define GENERATE_CAPTURES_PROMS_CHECKS (3)
+#define GENERATE_CAPTURES_PROMS (4)
+#define GENERATE_DONT_SCORE (5)
+#ifdef TEST
+#define GENERATE_ALL_MOVES_CHECK_OK (6)
+#endif
+
+#define MOVE_COUNT(ctx, x) \
+ (((ctx)->sMoveStack.uEnd[(x)]) - (ctx)->sMoveStack.uBegin[(x)])
+#define ONE_LEGAL_MOVE(ctx, x) \
+ (MOVE_COUNT(ctx, x) == 1)
+#define NUM_KING_MOVES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uKingMoveCount)
+#define NUM_CHECKING_PIECES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uCheckingPieces)
+
+
+// ----------------------------------------------------------------------
+//
+// Accumulators
+//
+typedef struct _COUNTERS
+{
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64OverallHits;
+ UINT64 u64UsefulHits;
+ UINT64 u64UpperBoundHits;
+ UINT64 u64LowerBoundHits;
+ UINT64 u64ExactScoreHits;
+ }
+ hash;
+
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64Hits;
+ }
+ pawnhash;
+
+ struct
+ {
+ UINT64 u64TotalNodeCount;
+ UINT64 u64QNodeCount;
+ UINT64 u64LeafCount;
+ UINT64 u64TerminalPositionCount;
+ UINT64 u64BetaCutoffs;
+ UINT64 u64BetaCutoffsOnFirstMove;
+ UINT64 u64NullMoves;
+ UINT64 u64NullMoveSuccess;
+#ifdef TEST_NULL
+ UINT64 u64QuickNullSuccess;
+ UINT64 u64QuickNullDeferredSuccess;
+ UINT64 u64QuickNullFailures;
+ UINT64 u64AvoidNullSuccess;
+ UINT64 u64AvoidNullFailures;
+#endif
+ UINT64 u64EvalHashHits;
+ UINT64 u64LazyEvals;
+ UINT64 u64FullEvals;
+ UINT64 u64CyclesInEval;
+ }
+ tree;
+
+ struct
+ {
+ ULONG uNumSplits;
+ ULONG uNumSplitsTerminated;
+ }
+ parallel;
+
+ struct
+ {
+ ULONG uPawnPush;
+ ULONG uCheck;
+ ULONG uMateThreat;
+ ULONG uRecapture;
+ ULONG uOneLegalMove;
+ ULONG uNoLegalKingMoves;
+ ULONG uMultiCheck;
+ ULONG uSingularMove;
+ ULONG uZugzwang;
+ ULONG uSingularReplyToCheck;
+ ULONG uEndgame;
+ ULONG uBotvinnikMarkoff;
+ ULONG uQExtend;
+ }
+ extension;
+
+ struct
+ {
+ ULONG uProbes;
+ ULONG uHits;
+ }
+ egtb;
+}
+COUNTERS;
+
+typedef struct _CUMULATIVE_SEARCH_FLAGS
+{
+ // search
+ ULONG uNumChecks[2]; // not used
+ FLAG fInSuspiciousBranch; // not used
+ FLAG fInReducedDepthBranch; // not used
+ FLAG fAvoidNullmove; // restore
+ FLAG fVerifyNullmove; // restore
+
+ // qsearch
+ ULONG uQsearchDepth; // restore
+ ULONG uQsearchNodes; // incremental
+ ULONG uQsearchCheckDepth; // restore
+ FLAG fCouldStandPat[2]; // restore
+}
+CUMULATIVE_SEARCH_FLAGS;
+
+// ----------------------------------------------------------------------
+//
+// Searcher thread record
+//
+typedef struct _SPLIT_INFO
+{
+ // locks / counters
+ volatile ULONG uLock; // lock for this split node
+ volatile ULONG uNumThreadsHelping; // num threads in this node
+ volatile FLAG fTerminate; // signal helpers to terminate
+
+ // moves in the split node
+ ULONG uRemainingMoves; // num moves remaining to do
+ ULONG uOnDeckMove; // next move to do
+ ULONG uNumMoves;
+ ULONG uAlreadyDone;
+ MOVE_STACK_MOVE_VALUE_FLAGS
+ mvf[MAX_MOVES_PER_PLY]; // the moves to search
+
+ // input to the split node
+ POSITION sRootPosition; // the root position
+ MOVE mvPathToHere[MAX_PLY_PER_SEARCH]; // path from root to split
+ MOVE mvLast; // last move before split
+ ULONG uDepth; // remaining depth at split
+ INT iPositionExtend; // positional extension
+ SCORE iAlpha; // original alpha at split
+ SCORE iBeta; // beta at split
+ ULONG uSplitPositional; // pos->uPositional at split
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags; // flags at split time
+
+ // output from the split node
+ MOVE mvBest; // the best move
+ SCORE iBestScore; // it's score
+ COUNTERS sCounters; // updated counters
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+#ifdef DEBUG
+ ULONG uSplitPly;
+ POSITION sSplitPosition;
+#endif
+}
+SPLIT_INFO;
+
+typedef struct _PLY_INFO
+{
+#ifdef DEBUG
+ POSITION sPosition;
+ SCORE iAlpha;
+ SCORE iBeta;
+#endif
+ SCORE iEval;
+ INT iExtensionAmount;
+ FLAG fInCheck;
+ FLAG fInQsearch;
+ MOVE mv;
+ MOVE mvBest;
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+ SCORE iKingScore[2];
+ ULONG uMinMobility[2];
+ UINT64 u64NonPawnSig;
+ UINT64 u64PawnSig;
+ UINT64 u64Sig;
+ ULONG uFifty;
+ FLAG fCastled[2];
+ ULONG uTotalNonPawns;
+ BITV bvCastleInfo;
+ COOR cEpSquare;
+}
+PLY_INFO;
+
+#define EVAL_HASH
+#ifdef EVAL_HASH
+#define EVAL_HASH_TABLE_SIZE (2097152) // 32Mb (per thread)
+typedef struct _EVAL_HASH_ENTRY
+{
+ UINT64 u64Key;
+ SCORE iEval;
+ ULONG uPositional;
+ COOR cTrapped[2];
+
+} EVAL_HASH_ENTRY;
+#endif
+
+#define PAWN_HASH_TABLE_SIZE (131072) // 5.5Mb (per thread)
+typedef struct _PAWN_HASH_ENTRY
+{
+ UINT64 u64Key;
+ BITBOARD bbPawnLocations[2];
+ BITBOARD bbPasserLocations[2];
+ BITBOARD bbStationaryPawns[2];
+ SHORT iScore[2];
+ UCHAR uCountPerFile[2][10];
+ UCHAR uNumRammedPawns;
+ UCHAR uNumUnmovedPawns[2];
+}
+PAWN_HASH_ENTRY;
+
+#define NUM_SPLIT_PTRS_IN_CONTEXT (8)
+
+typedef struct _SEARCHER_THREAD_CONTEXT
+{
+ ULONG uPly; // its distance from root
+ ULONG uPositional; // positional component of score
+ POSITION sPosition; // the board
+ MOVE_STACK sMoveStack; // the move stack
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+ MOVE mvKiller[MAX_PLY_PER_SEARCH][2];
+ MOVE mvKillerEscapes[MAX_PLY_PER_SEARCH][2];
+ MOVE mvNullmoveRefutations[MAX_PLY_PER_SEARCH];
+ COUNTERS sCounters;
+ ULONG uThreadNumber;
+ SPLIT_INFO *pSplitInfo[NUM_SPLIT_PTRS_IN_CONTEXT];
+ MOVE mvRootMove;
+ SCORE iRootScore;
+ ULONG uRootDepth;
+ PAWN_HASH_ENTRY rgPawnHash[PAWN_HASH_TABLE_SIZE];
+#ifdef EVAL_HASH
+ EVAL_HASH_ENTRY rgEvalHash[EVAL_HASH_TABLE_SIZE];
+#endif
+ CHAR szLastPV[SMALL_STRING_LEN_CHAR];
+}
+SEARCHER_THREAD_CONTEXT;
+
+//
+// When I added the pawn hash table and eval hash tables to searcher
+// thread contexts they became too heavy to just allocate on the fly
+// for things like checking the legality of SAN moves or seeing if an
+// opening book line leads to a draw. This
+// LIGHTWEIGHT_SEARCHER_CONTEXT structure can be cast into a full
+// SEARCHER_THREAD_CONTEXT and passed safely into the Generate,
+// MakeMove and UnMakeMove functions because they presently only
+// need:
+//
+// 1. uPly
+// 2. sPosition
+// 3. sPlyInfo
+// 4. sMoveStack
+//
+typedef struct _LIGHTWEIGHT_SEARCHER_CONTEXT
+{
+ ULONG uPly;
+ ULONG uPositional;
+ POSITION sPosition;
+ MOVE_STACK sMoveStack;
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+}
+LIGHTWEIGHT_SEARCHER_CONTEXT;
+
+// ----------------------------------------------------------------------
+//
+// Global game options
+//
+typedef struct _GAME_OPTIONS
+{
+ ULONG uMyClock;
+ ULONG uOpponentsClock;
+ FLAG fGameIsRated;
+ FLAG fOpponentIsComputer;
+ ULONG uSecPerMove;
+ ULONG uMaxDepth;
+ FLAG fShouldPonder;
+ FLAG fPondering;
+ FLAG fThinking;
+ FLAG fSuccessfulPonder;
+ MOVE mvPonder;
+ FLAG fShouldPost;
+ FLAG fForceDrawWorthZero;
+ ULONG uMyIncrement;
+ ULONG uMovesPerTimePeriod;
+ CHAR szAnalyzeProgressReport[SMALL_STRING_LEN_CHAR];
+ FLAG fShouldAnnounceOpening;
+ SCORE iLastEvalScore;
+ UINT64 u64NodesSearched;
+ CHAR szLogfile[SMALL_STRING_LEN_CHAR];
+ CHAR szEGTBPath[SMALL_STRING_LEN_CHAR];
+ CHAR szBookName[SMALL_STRING_LEN_CHAR];
+ ULONG uNumProcessors;
+ ULONG uNumHashTableEntries;
+ FLAG fNoInputThread;
+ FLAG fVerbosePosting;
+ FLAG fRunningUnderXboard;
+ FLAG fStatusLine;
+ FLAG fFastScript;
+
+ enum
+ {
+ CLOCK_NORMAL = 0,
+ CLOCK_FIXED,
+ CLOCK_INCREMENT,
+ CLOCK_NONE
+ }
+ eClock;
+
+ enum
+ {
+ GAME_UNKNOWN = 0,
+ GAME_BULLET,
+ GAME_BLITZ,
+ GAME_STANDARD
+ }
+ eGameType;
+
+ enum
+ {
+ I_PLAY_WHITE = 0,
+ I_PLAY_BLACK,
+ FORCE_MODE,
+ EDIT_MODE,
+ ANALYZE_MODE
+ }
+ ePlayMode;
+}
+GAME_OPTIONS;
+extern GAME_OPTIONS g_Options;
+
+// ----------------------------------------------------------------------
+//
+// Move timer
+//
+
+#define TIMER_SEARCHING_FIRST_MOVE (0x1)
+#define TIMER_SEARCHING_IMPORTANT_MOVE (0x2)
+#define TIMER_RESOLVING_ROOT_FL (0x4)
+#define TIMER_RESOLVING_ROOT_FH (0x8)
+#define TIMER_JUST_OUT_OF_BOOK (0x10)
+#define TIMER_CURRENT_OBVIOUS (0x20)
+#define TIMER_CURRENT_WONT_UNBLOCK (0x40)
+#define TIMER_ROOT_POSITION_CRITICAL (0x80)
+#define TIMER_MOVE_IMMEDIATELY (0x100)
+#define TIMER_MANY_ROOT_FLS (0x200)
+#define TIMER_STOPPING (0x400)
+#define TIMER_SPLIT_FAILED (0x800)
+
+typedef struct _MOVE_TIMER
+{
+ double dStartTime;
+ double dEndTime;
+ double dSoftTimeLimit;
+ double dHardTimeLimit;
+ ULONG uNodeCheckMask;
+ volatile BITV bvFlags;
+}
+MOVE_TIMER;
+
+// ----------------------------------------------------------------------
+//
+// Special move tag literals
+//
+#define ILLEGALMOVE ((ULONG)0x1DDD8888)
+
+//
+// useful macros
+//
+#ifdef DEBUG
+void
+_assert(CHAR *szFile, ULONG uLine);
+
+#define ASSERT(x) if (x) \
+ { ; } \
+ else \
+ { _assert(__FILE__, __LINE__); }
+#define VERIFY(x) ASSERT(x)
+#else
+#define ASSERT(x) ;
+#define VERIFY(x) x;
+#endif // DEBUG
+
+#ifdef PERF_COUNTERS
+#define INC(x) ((x) += 1)
+#else
+#define INC(x)
+#endif
+
+#define BREAKPOINT SystemDebugBreakpoint()
+
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#define MAX(x, y) (((x) > (y)) ? (x) : (y))
+
+#ifdef _X86_
+//
+// Note: MAXU, MINU and ABS_DIFF require arguments with the high order
+// bit CLEAR to work right.
+//
+// These are branchless constructs. MAXU and MINU are equivalent to
+// MIN and MAX (with the above restriction on inputs)
+//
+// MIN0 and MAX0 are equivalent to MAX(0, x) and MIN(0, x). These
+// macros have no restiction on argument type.
+//
+// ABS_DIFF is equivalent to abs(x - y). Again, x and y must have
+// their high-order bits CLEAR for this to work.
+//
+// Note: gcc generates code with cmovs so no need for MAXU/MINU on
+// that compiler.
+//
+//#ifndef __GNUC__
+#define MINU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((x)-(y)))+(y))
+#define MAXU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((y)-(x)))+(x))
+//#endif
+#ifndef DEBUG
+
+#define MIN0(x) \
+ ((x) & (((int)(x)) >> 31))
+
+#define MAX0(x) \
+ ((x) & ~(((int)(x)) >> 31))
+
+#else // !DEBUG
+extern INLINE int MIN0(int x)
+{
+ int y = MIN(x, 0);
+ int z = ((x) & (((int)(x)) >> 31));
+ ASSERT(y == z);
+ return(z);
+}
+
+extern INLINE int MAX0(int x)
+{
+ int y = MAX(x, 0);
+ int z = ((x) & ~(((int)(x)) >> 31));
+ ASSERT(y == z);
+ return(z);
+}
+#endif // DEBUG
+
+#define ABS_DIFF(a, b) \
+ (((b)-(a)) - ((((b) - (a)) & (((int)((b) - (a))) >> 31) ) << 1))
+
+#endif // _X86_
+
+#ifndef MINU
+#define MINU(x, y) (MIN((x), (y)))
+#endif
+
+#ifndef MAXU
+#define MAXU(x, y) (MAX((x), (y)))
+#endif
+
+#ifndef MIN0
+#define MIN0(x) (MIN((x), 0))
+#endif
+
+#ifndef MAX0
+#define MAX0(x) (MAX((x), 0))
+#endif
+
+#ifndef ABS_DIFF
+#define ABS_DIFF(a, b) (abs((a) - (b)))
+#endif
+
+#define FILE_DISTANCE(a, b) (ABS_DIFF(FILE((a)), FILE((b))))
+#define RANK_DISTANCE(a, b) (ABS_DIFF(((a) & 0xF0), ((b) & 0xF0)) >> 4)
+#define REAL_DISTANCE(a, b) (MAXU(FILE_DISTANCE((a), (b)), \
+ RANK_DISTANCE((a), (b))))
+#ifdef DEBUG
+#define DISTANCE(a, b) DistanceBetweenSquares((a), (b))
+#else
+#define DISTANCE(a, b) g_pDistance[(a) - (b)]
+#endif // DEBUG
+
+#define IS_EMPTY( square ) (!(square))
+#define IS_OCCUPIED( square ) ((square))
+
+#define IS_DEAD( listindex ) ((listindex) > 119)
+#define IS_ALIVE( listindex ) ((listindex) <= 119)
+#define ILLEGAL_COOR (0x88)
+#define EDGE_DISTANCE(c) (MIN(MIN(abs(RANK(c) - 7), RANK(c)), \
+ MIN(abs(FILE(c) - 7), FILE(c))))
+#define NOT_ON_EDGE(c) ((((c) & 0xF0) != 0x00) && \
+ (((c) & 0xF0) != 0x70) && \
+ (((c) & 0x0F) != 0x00) && \
+ (((c) & 0x0F) != 0x07))
+#define ON_EDGE(c) (RANK8(c) || \
+ RANK1(c) || \
+ FILEA(c) || \
+ FILEH(c))
+#define CORNER_DISTANCE(c) (MAX(MIN((ULONG)abs(RANK(c) - 7), RANK(c)),\
+ MIN((ULONG)abs(FILE(c) - 7), FILE(c))))
+#define IN_CORNER(c) (((c) == A8) || \
+ ((c) == A1) || \
+ ((c) == H8) || \
+ ((c) == H1))
+#define WHITE_CORNER_DISTANCE(c) (MIN(DISTANCE((c), A8), \
+ DISTANCE((c), H1)))
+#define BLACK_CORNER_DISTANCE(c) (MIN(DISTANCE((c), H8), \
+ DISTANCE((c), A1)))
+#define SYM_SQ(c) ((7 - (((c) & 0xF0) >> 4)) << 4) \
+ | (7 - ((c) & 0x0F))
+#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a[0])))
+#define MAKE_PSQT(a, b, c, d) (((a) << 24) | ((b) << 16) | \
+ ((c) << 8) | (d))
+#define TO64(x) ((x) & 0x7) + ((0x7 - ((x)>>4)) << 3)
+#define COOR_TO_BIT_NUMBER(c) (((((c) & 0x70) >> 1) | ((c) & 0x7)))
+#define SLOWCOOR_TO_BB(c) (1ULL << COOR_TO_BIT_NUMBER(c))
+#define COOR_TO_BB(c) (BBSQUARE[COOR_TO_BIT_NUMBER(c)])
+#define SLOW_BIT_NUMBER_TO_COOR(b) ((((b) / 8) << 4) + ((b) & 7))
+#define BIT_NUMBER_TO_COOR(b) ((((b) & 0xF8) << 1) | ((b) & 7))
+
+#define BBRANK88 \
+ SLOWCOOR_TO_BB(A8) | SLOWCOOR_TO_BB(B8) | SLOWCOOR_TO_BB(C8) | \
+ SLOWCOOR_TO_BB(D8) | SLOWCOOR_TO_BB(E8) | SLOWCOOR_TO_BB(F8) | \
+ SLOWCOOR_TO_BB(G8) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK77 \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(C7) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(F7) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(H7)
+
+#define BBRANK66 \
+ SLOWCOOR_TO_BB(A6) | SLOWCOOR_TO_BB(B6) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(D6) | SLOWCOOR_TO_BB(E6) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(G6) | SLOWCOOR_TO_BB(H6)
+
+#define BBRANK55 \
+ SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(C5) | \
+ SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(F5) | \
+ SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(H5)
+
+#define BBRANK44 \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(C4) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(F4) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(H4)
+
+#define BBRANK33 \
+ SLOWCOOR_TO_BB(A3) | SLOWCOOR_TO_BB(B3) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(D3) | SLOWCOOR_TO_BB(E3) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(G3) | SLOWCOOR_TO_BB(H3)
+
+#define BBRANK22 \
+ SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(C2) | \
+ SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(F2) | \
+ SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(H2)
+
+#define BBRANK11 \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(C1) | \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(F1) | \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(H1)
+
+#define BBFILEA \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(A3) | \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(A6) | \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(A8)
+
+#define BBFILEB \
+ SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(B3) | \
+ SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(B6) | \
+ SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(B8)
+
+#define BBFILEC \
+ SLOWCOOR_TO_BB(C1) | SLOWCOOR_TO_BB(C2) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(C4) | SLOWCOOR_TO_BB(C5) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(C7) | SLOWCOOR_TO_BB(C8)
+
+#define BBFILED \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(D3) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(D6) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(D8)
+
+#define BBFILEE \
+ SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(E3) | \
+ SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(E6) | \
+ SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(E8)
+
+#define BBFILEF \
+ SLOWCOOR_TO_BB(F1) | SLOWCOOR_TO_BB(F2) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(F4) | SLOWCOOR_TO_BB(F5) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(F7) | SLOWCOOR_TO_BB(F8)
+
+#define BBFILEG \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(G3) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(G6) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(G8)
+
+#define BBFILEH \
+ SLOWCOOR_TO_BB(H1) | SLOWCOOR_TO_BB(H2) | SLOWCOOR_TO_BB(H3) | \
+ SLOWCOOR_TO_BB(H4) | SLOWCOOR_TO_BB(H5) | SLOWCOOR_TO_BB(H6) | \
+ SLOWCOOR_TO_BB(H7) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK72 \
+ BBRANK77 | BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK62 \
+ BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK52 \
+ BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK42 \
+ BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK32 \
+ BBRANK33 | BBRANK22
+
+#define BBRANK27 \
+ BBRANK22 | BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK37 \
+ BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK47 \
+ BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK57 \
+ BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK67 \
+ BBRANK66 | BBRANK77
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+//
+// util.c
+//
+COMMAND(LearnPsqtFromPgn);
+
+COMMAND(GeneratePositionAndBestMoveSuite);
+
+CHAR *
+WalkPV(SEARCHER_THREAD_CONTEXT *ctx);
+
+CHAR *
+ReadNextGameFromPgnFile(FILE *pf);
+
+COOR
+DistanceBetweenSquares(COOR a, COOR b);
+
+void CDECL
+Trace(CHAR *szMessage, ...);
+
+void CDECL
+Log(CHAR *szMessage, ...);
+
+void CDECL
+Bug(CHAR *szMessage, ...);
+
+char *
+FindChunk(char *sz, ULONG uTargetChunk);
+
+FLAG
+BufferIsZeroed(BYTE *p, ULONG u);
+
+char *
+ColorToString(ULONG u);
+
+char *
+CoorToString(COOR c);
+
+char *
+ScoreToString(SCORE iScore);
+
+char *
+TimeToString(double d);
+
+ULONG
+AcquireSpinLock(volatile ULONG *pSpinlock);
+
+FLAG
+TryAcquireSpinLock(volatile ULONG *pSpinlock);
+
+void
+ReleaseSpinLock(volatile ULONG *pSpinLock);
+
+BYTE
+Checksum(BYTE *p, ULONG uSize);
+
+FLAG
+BackupFile(CHAR *szFile);
+
+void
+UtilPrintPV(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv);
+
+#define CANNOT_INITIALIZE_SPLIT (1)
+#define INCONSISTENT_POSITION (2)
+#define UNEXPECTED_SYSTEM_CALL_FAILURE (3)
+#define SHOULD_NOT_GET_HERE (4)
+#define GOT_ILLEGAL_MOVE_WHILE_PONDERING (5)
+#define CANNOT_OFFICIALLY_MAKE_MOVE (6)
+#define DETECTED_INCORRECT_INITIALIZATION (7)
+#define INCONSISTENT_STATE (8)
+#define FATAL_ACCESS_DENIED (9)
+#define TESTCASE_FAILURE (10)
+#define INITIALIZATION_FAILURE (11)
+
+void
+UtilPanic(ULONG uPanicCode,
+ POSITION *pos,
+ void *a1,
+ void *a2,
+ void *a3,
+ char *file, ULONG line);
+
+
+//
+// main.c
+//
+#define LOGFILE_NAME "typhoon.log"
+extern FILE *g_pfLogfile;
+
+void
+Banner(void);
+
+FLAG
+PreGameReset(FLAG fResetBoard);
+
+//
+// system dependent exports (see win32.c or fbsd.c)
+//
+typedef ULONG (THREAD_ENTRYPOINT)(ULONG);
+
+#ifdef DEBUG
+ULONG
+GetHeapMemoryUsage(void);
+#endif
+
+void
+SystemDebugBreakpoint(void);
+
+CHAR *
+SystemStrDup(CHAR *p);
+
+double
+SystemTimeStamp(void);
+
+FLAG
+SystemDoesFileExist(CHAR *szFilename);
+
+void
+SystemDeferExecution(ULONG uMs);
+
+void
+SystemFreeMemory(void *pMem);
+
+void *
+SystemAllocateMemory(ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadOnly(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryNoAccess(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadWrite(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemDependentInitialization(void);
+
+UINT64 FASTCALL
+SystemReadTimeStampCounter(void);
+
+//
+// This routine _must_ implement a full memory fence -- it is used in
+// util.c to implement spinlocks.
+//
+FLAG
+SystemCreateThread(THREAD_ENTRYPOINT *pEntry, ULONG uParam, ULONG *puHandle);
+
+FLAG
+SystemWaitForThreadToExit(ULONG uThreadHandle);
+
+FLAG
+SystemGetThreadExitCode(ULONG uThreadHandle, ULONG *puCode);
+
+FLAG
+SystemDeleteThread(ULONG uThreadHandle);
+
+CHAR *
+SystemGetDateString(void);
+
+CHAR *
+SystemGetTimeString(void);
+
+FLAG
+SystemCopyFile(CHAR *szSource, CHAR *szDest);
+
+FLAG
+SystemDeleteFile(CHAR *szFile);
+
+ULONG
+SystemCreateLock(void);
+
+FLAG
+SystemDeleteLock(ULONG u);
+
+FLAG
+SystemBlockingWaitForLock(ULONG u);
+
+FLAG
+SystemReleaseLock(ULONG u);
+
+ULONG
+SystemCreateSemaphore(ULONG u);
+
+FLAG
+SystemDeleteSemaphore(ULONG u);
+
+void
+SystemReleaseSemaphoreResource(ULONG u);
+
+void
+SystemObtainSemaphoreResource(ULONG u);
+
+
+//
+// fen.c
+//
+#define STARTING_POSITION_IN_FEN \
+ "rnbqkbnr/pppppppp/--------/8/8/--------/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
+
+FLAG
+LooksLikeFen(char *szFen);
+
+char *
+PositionToFen(POSITION *p);
+
+FLAG
+FenToPosition(POSITION *p, char *szFen);
+
+//
+// testfen.c
+//
+#ifdef TEST
+void
+TestFenCode(void);
+#endif
+
+//
+// piece.c
+//
+// INVERTED VALUE == (VALUE_QUEEN / VALUE_PIECE) * VALUE_PAWN;
+#define VALUE_PAWN 100
+#define INVERT_PAWN 900
+#define VALUE_KNIGHT 300
+#define INVERT_KNIGHT 300
+#define VALUE_BISHOP 300
+#define INVERT_BISHOP 300
+#define VALUE_ROOK 500
+#define INVERT_ROOK 180
+#define VALUE_QUEEN 975
+#define INVERT_QUEEN 100
+#define VALUE_KING (INFINITY)
+#define INVERT_KING 1
+
+#define VALUE_FULL_ARMY (8 * VALUE_PAWN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_QUEEN + VALUE_KING
+#define VALUE_MAX_ARMY (9 * VALUE_QUEEN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_KING
+
+typedef struct _PIECE_DATA
+{
+ ULONG uValue;
+ ULONG uValueOver100;
+ ULONG uInvertedValue;
+ CHAR *szName;
+} PIECE_DATA;
+
+extern PIECE_DATA g_PieceData[8];
+
+#define PIECE_VALUE_OVER_100(p) (g_PieceData[PIECE_TYPE(p)].uValueOver100)
+extern ULONG
+PieceValueOver100(PIECE p);
+
+#define PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uValue)
+extern ULONG
+PieceValue(PIECE p);
+
+#define INVERTED_PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uInvertedValue)
+extern ULONG
+PieceInvertedValue(PIECE p);
+
+CHAR *
+PieceAbbrev(PIECE p);
+
+//
+// board.c
+//
+FLAG
+VerifyPositionConsistency(POSITION *pos, FLAG fContinueOnError);
+
+FLAG
+PositionsAreEquivalent(POSITION *p1, POSITION *p2);
+
+CHAR *
+DrawTextBoardFromPosition(POSITION *pos);
+
+void
+DumpPosition(POSITION *pos);
+
+CHAR *
+CastleInfoString(BITV bv);
+
+void
+SetRootToInitialPosition(void);
+
+//
+// move.c
+//
+void
+SlidePiece(POSITION *pos, COOR cFrom, COOR cTo);
+
+PIECE
+LiftPiece(POSITION *pos, COOR cSquare);
+
+void
+PlacePiece(POSITION *pos, COOR cSquare, PIECE pPiece);
+
+FLAG
+MakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+void
+UnmakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+FLAG
+MakeUserMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mvUser);
+
+void
+DumpMove(ULONG u);
+
+//
+// movesup.c
+//
+#define MOVE_TO_INDEX(mv) (((mv).uMove & 0xFFFF) + \
+ (0x10000 * GET_COLOR(mv.pMoved)))
+
+COOR
+FasterExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheckEp(POSITION *pos,
+ COOR cTest,
+ COOR cIgnore,
+ COOR cBlock,
+ COOR cKing);
+
+FLAG
+IsAttacked(COOR cTest, POSITION *pos, ULONG uSide);
+
+FLAG
+InCheck(POSITION *pos, ULONG uSide);
+
+FLAG
+SanityCheckMove(POSITION *pos, MOVE mv);
+
+FLAG
+LooksLikeFile(CHAR c);
+
+FLAG
+LooksLikeRank(CHAR c);
+
+FLAG
+LooksLikeCoor(CHAR *szData);
+
+CHAR *
+StripMove(CHAR *szMove);
+
+ULONG
+LooksLikeMove(CHAR *szData);
+
+void FASTCALL
+SelectBestWithHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectBestNoHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectMoveAtRoot(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+#define NOT_MOVE 0
+#define MOVE_ICS 1
+#define MOVE_SAN 2
+
+COMMAND(PerftCommand);
+
+
+//
+// testmove.c
+//
+#ifdef TEST
+void
+TestLiftPlaceSlidePiece(void);
+
+void
+TestExposesCheck(void);
+
+void
+TestIsAttacked(void);
+
+void
+TestMakeUnmakeMove(void);
+#endif
+
+//
+// generate.c
+//
+#define SORT_THESE_FIRST (0x40000000)
+#define FIRST_KILLER (0x20000000)
+#define SECOND_KILLER (0x10000000)
+#define THIRD_KILLER (0x08000000)
+#define FOURTH_KILLER (0x04000000)
+#define GOOD_MOVE (0x02000000)
+#define STRIP_OFF_FLAGS (0x00FFFFFF)
+
+extern const int g_iQKDeltas[9];
+extern const int g_iNDeltas[9];
+extern const int g_iBDeltas[5];
+extern const int g_iRDeltas[5];
+
+void
+GenerateMoves(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mvOrderFirst,
+ ULONG uType);
+
+FLAG
+WouldGiveCheck(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv);
+
+//
+// testgenerate.c
+//
+#ifdef TEST
+
+void
+PlyTest(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fRootPositionInCheck);
+
+void
+TestMoveGenerator(void);
+
+void
+TestLegalMoveGenerator(void);
+
+#endif
+
+//
+// sig.c
+//
+extern UINT64 g_u64SigSeeds[128][7][2];
+extern UINT64 g_u64PawnSigSeeds[128][2];
+extern UINT64 g_u64CastleSigSeeds[16];
+extern UINT64 g_u64EpSigSeeds[9];
+
+void
+InitializeSigSystem(void);
+
+UINT64
+ComputePawnSig(POSITION *pos);
+
+UINT64
+ComputeSig(POSITION *pos);
+
+//
+// mersenne.c
+//
+void
+seedMT(unsigned int seed);
+
+unsigned int
+reloadMT(void);
+
+unsigned int
+randomMT(void);
+
+//
+// data.c
+//
+typedef struct _VECTOR_DELTA
+{
+ UCHAR iVector[2];
+ signed char iDelta;
+ signed char iNegDelta;
+}
+VECTOR_DELTA;
+
+extern ULONG g_uDistance[256];
+extern ULONG *g_pDistance;
+extern VECTOR_DELTA g_VectorDelta[256];
+extern VECTOR_DELTA *g_pVectorDelta;
+extern CHAR g_SwapTable[14][32][32];
+extern SCORE _PSQT[14][128];
+extern ULONG g_uSearchSortLimits[];
+extern MOVE NULLMOVE;
+extern MOVE HASHMOVE;
+extern MOVE RECOGNMOVE;
+extern MOVE DRAWMOVE;
+extern MOVE MATEMOVE;
+extern FLAG g_fIsWhiteSquare[128];
+extern BITBOARD BBFILE[8];
+extern BITBOARD BBRANK[9];
+extern BITBOARD BBWHITESQ;
+extern BITBOARD BBBLACKSQ;
+extern BITBOARD BBLEFTSIDE;
+extern BITBOARD BBRIGHTSIDE;
+extern BITBOARD BBSQUARE[64];
+extern BITBOARD BBROOK_PAWNS;
+extern BITBOARD BBPRECEEDING_RANKS[8][2];
+extern BITBOARD BBADJACENT_FILES[8];
+extern BITBOARD BBADJACENT_RANKS[9];
+
+void
+InitializeWhiteSquaresTable(void);
+
+void
+InitializeVectorDeltaTable(void);
+
+void
+InitializeSwapTable(void);
+
+void
+InitializeDistanceTable(void);
+
+void
+InitializeSearchDepthArray(void);
+
+ULONG
+GetSearchSortLimit(ULONG);
+
+#ifdef DEBUG
+#define SEARCH_SORT_LIMIT(x) (GetSearchSortLimit((x)))
+#else
+#define SEARCH_SORT_LIMIT(x) (g_uSearchSortLimits[(x)])
+#endif
+
+#ifdef DEBUG
+ULONG CheckVectorWithIndex(int i, ULONG uColor);
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ CheckVectorWithIndex(i, color)
+
+int DirectionBetweenSquaresWithIndex(int i);
+#define CHECK_DELTA_WITH_INDEX(i) \
+ DirectionBetweenSquaresWithIndex(i)
+
+int DirectionBetweenSquaresFromTo(COOR, COOR);
+#define DIRECTION_BETWEEN_SQUARES(from, to) \
+ DirectionBetweenSquaresFromTo(from, to)
+
+int NegativeDirectionBetweenSquaresWithIndex(int i);
+#define NEG_DELTA_WITH_INDEX(i) \
+ NegativeDirectionBetweenSquaresWithIndex(i)
+
+FLAG IsSquareWhite(COOR c);
+#define IS_SQUARE_WHITE(c) \
+ IsSquareWhite(c)
+
+#else
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ (g_pVectorDelta[(i)].iVector[(color)])
+
+#define CHECK_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iDelta)
+
+#define DIRECTION_BETWEEN_SQUARES(cFrom, cTo) \
+ CHECK_DELTA_WITH_INDEX((int)(cFrom) - (int)(cTo))
+
+#define NEG_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iNegDelta)
+
+#define IS_SQUARE_WHITE(c) \
+ (g_fIsWhiteSquare[(c)])
+#endif
+
+//
+// san.c
+//
+MOVE
+ParseMoveSan(CHAR *szInput,
+ POSITION *pos);
+
+CHAR *
+MoveToSan(MOVE mv, POSITION *pos);
+
+//
+// testsan.c
+//
+void
+TestSan(void);
+
+//
+// list.c
+//
+void
+InitializeListHead(IN DLIST_ENTRY *pListHead);
+
+FLAG
+IsListEmpty(IN DLIST_ENTRY *pListHead);
+
+FLAG
+RemoveEntryList(IN DLIST_ENTRY *pEntry);
+
+DLIST_ENTRY *
+RemoveHeadList(IN DLIST_ENTRY *pListHead);
+
+DLIST_ENTRY *
+RemoveTailList(IN DLIST_ENTRY *pListHead);
+
+void
+InsertTailList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+void
+InsertHeadList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+//
+// command.c
+//
+void
+ParseUserInput(FLAG fSearching);
+
+FLAG
+InitializeCommandSystem(void);
+
+void
+CleanupCommandSystem(void);
+
+//
+// input.c
+//
+void
+InitInputSystemInBatchMode(void);
+
+ULONG
+InitInputSystemWithDedicatedThread(void);
+
+void
+PushNewInput(CHAR *buf);
+
+CHAR *
+PeekNextInput(void);
+
+CHAR *
+ReadNextInput(void);
+
+CHAR *
+BlockingReadInput(void);
+
+ULONG
+NumberOfPendingInputEvents(void);
+
+volatile extern FLAG g_fExitProgram;
+
+//
+// ics.c
+//
+MOVE
+ParseMoveIcs(CHAR *szInput, POSITION *pos);
+
+CHAR *
+MoveToIcs(MOVE mv);
+
+//
+// testics.c
+//
+void
+TestIcs(void);
+
+//
+// gamelist.c
+//
+typedef enum _ERESULT
+{
+ RESULT_BLACK_WON = -1,
+ RESULT_DRAW = 0,
+ RESULT_WHITE_WON = 1,
+ RESULT_IN_PROGRESS,
+ RESULT_ABANDONED,
+ RESULT_UNKNOWN
+}
+ERESULT;
+
+typedef struct _GAME_PLAYER
+{
+ CHAR *szName;
+ CHAR *szDescription;
+ FLAG fIsComputer;
+ ULONG uRating;
+}
+GAME_PLAYER;
+
+typedef struct _GAME_HEADER
+{
+ CHAR *szGameDescription;
+ CHAR *szLocation;
+ GAME_PLAYER sPlayer[2];
+ FLAG fGameIsRated;
+ UINT64 u64OpeningSig;
+ ERESULT eResult;
+ CHAR *szResultComment;
+ CHAR *szInitialFen;
+}
+GAME_HEADER;
+
+typedef struct _GAME_MOVE
+{
+ DLIST_ENTRY links;
+ ULONG uNumber;
+ MOVE mv;
+ CHAR *szComment;
+ CHAR *szDecoration;
+ CHAR *szMoveInSan;
+ CHAR *szMoveInIcs;
+ CHAR *szUndoPositionFen;
+ SCORE iMoveScore;
+ UINT64 u64PositionSigAfterMove;
+ UINT64 u64PositionSigBeforeMove;
+ volatile FLAG fInUse;
+}
+GAME_MOVE;
+
+typedef struct _GAME_DATA
+{
+ GAME_HEADER sHeader;
+ DLIST_ENTRY sMoveList;
+}
+GAME_DATA;
+
+extern GAME_DATA g_GameData;
+
+POSITION *
+GetRootPosition(void);
+
+FLAG
+SetRootPosition(CHAR *szFen);
+
+void
+ResetGameList(void);
+
+ULONG
+GetMoveNumber(ULONG uColor);
+
+void
+SetGameResultAndDescription(ERESULT r, CHAR *sz);
+
+INT
+GetGameResult(void);
+
+void
+SetMyName(void);
+
+void
+SetOpponentsName(CHAR *sz);
+
+void
+SetMyRating(ULONG u);
+
+void
+SetOpponentsRating(ULONG u);
+
+void
+DumpGameList(void);
+
+void
+TellGamelistThatIPlayColor(ULONG u);
+
+void
+DumpPgn(void);
+
+FLAG
+LoadPgn(CHAR *szPgn);
+
+ULONG
+CountOccurrancesOfSigInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+DoesSigAppearInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+OfficiallyTakebackMove(void);
+
+FLAG
+OfficiallyMakeMove(MOVE mv, SCORE iMoveScore, FLAG fFast);
+
+GAME_MOVE *
+GetNthOfficialMoveRecord(ULONG n);
+
+void
+MakeStatusLine(void);
+
+FLAG
+IsLegalDrawByRepetition(void);
+
+//
+// script.c
+//
+COMMAND(ScriptCommand);
+
+COMMAND(SolutionCommand);
+
+COMMAND(AvoidCommand);
+
+COMMAND(IdCommand);
+
+void
+PostMoveTestSuiteReport(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+CheckTestSuiteMove(MOVE mv, SCORE iScore, ULONG uDepth);
+
+FLAG
+WeAreRunningASuite(void);
+
+
+//
+// vars.c
+//
+COMMAND(SetCommand);
+
+//
+// root.c
+//
+extern ULONG g_uSoftExtendLimit;
+extern ULONG g_uHardExtendLimit;
+extern volatile MOVE_TIMER g_MoveTimer;
+extern ULONG g_uExtensionReduction[MAX_PLY_PER_SEARCH];
+
+#ifdef PERF_COUNTERS
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x) \
+ ctx->sCounters.tree.u64BetaCutoffs++; \
+ if (x) \
+ { \
+ ctx->sCounters.tree.u64BetaCutoffsOnFirstMove++;\
+ }
+#else
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x)
+#endif
+
+#define GAME_NOT_OVER 0
+#define GAME_WHITE_WON 1
+#define GAME_BLACK_WON 2
+#define GAME_DRAW_STALEMATE 3
+#define GAME_DRAW_REPETITION 4
+#define GAME_ONE_LEGAL_MOVE 5
+#define GAME_DRAW_FIFTY_MOVES_WO_PROGRESS 6
+
+FLAG
+Think(POSITION *pos);
+
+FLAG
+Ponder(POSITION *pos);
+
+FLAG
+Iterate(SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+SetMoveTimerForSearch(FLAG fSwitchOver, ULONG uColor);
+
+void
+SetMoveTimerToThinkForever(void);
+
+void
+ClearRootNodecountHash(void);
+
+//
+// draw.c
+//
+FLAG
+IsDraw(SEARCHER_THREAD_CONTEXT *ctx);
+
+
+//
+// search.c
+//
+#define QPLIES_OF_NON_CAPTURE_CHECKS (1)
+#define FUTILITY_BASE_MARGIN (50) // + ctx->uPositional (min 100)
+#define DO_IID
+#define IID_R_FACTOR (TWO_PLY + HALF_PLY)
+
+#ifndef MP
+#define WE_SHOULD_STOP_SEARCHING (g_MoveTimer.bvFlags & TIMER_STOPPING)
+#else
+#define WE_SHOULD_STOP_SEARCHING ((g_MoveTimer.bvFlags & TIMER_STOPPING) || \
+ (ThreadUnderTerminatingSplit(ctx)))
+#endif
+
+SCORE FASTCALL
+QSearch(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+SCORE FASTCALL
+Search(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth);
+
+
+//
+// searchsup.c
+//
+SCORE
+ComputeMoveScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv,
+ IN ULONG uMoveNum);
+
+FLAG
+ThreadUnderTerminatingSplit(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+WeShouldDoHistoryPruning(IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uRemainingDepth,
+ IN ULONG uLegalMoves,
+ IN MOVE mv,
+ IN ULONG uMoveNum,
+ IN INT iExtend);
+
+FLAG
+WeShouldTryNullmovePruning(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SCORE iRoughEval,
+ IN ULONG uNullDepth);
+
+FLAG
+TryNullmovePruning(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT FLAG *pfThreat,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uNullDepth,
+ IN OUT INT *piOrigExtend,
+ OUT SCORE *piNullScore);
+
+void
+UpdatePV(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv);
+
+FLAG
+CheckInputAndTimers(IN SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ComputeReactionToCheckExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uGenFlags,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN OUT INT *piExtend,
+ IN OUT INT *piOrigExtend);
+
+void
+ComputeMoveExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN ULONG uDepth,
+ IN OUT INT *piExtend);
+
+SCORE
+RescoreMovesViaSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uDepth,
+ IN SCORE iAlpha,
+ IN SCORE iBeta);
+
+FLAG
+MateDistancePruningCutoff(IN ULONG uPly,
+ IN FLAG fInCheck,
+ IN OUT SCORE *piBestScore,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta);
+
+FLAG
+CommonSearchInit(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta,
+ IN OUT SCORE *piScore);
+
+ULONG
+SelectNullmoveRFactor(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN INT uDepth);
+
+#define VERIFY_BEFORE (1)
+#define VERIFY_AFTER (2)
+
+FLAG
+SanityCheckMoves(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uCurrent,
+ IN ULONG uType);
+
+
+//
+// testsearch.c
+//
+FLAG
+TestSearch(void);
+
+//
+// see.c
+//
+#define SEE_HEAPS
+
+SCORE
+SEE(POSITION *pos,
+ MOVE mv);
+
+typedef struct _SEE_THREESOME
+{
+ PIECE pPiece;
+ COOR cLoc;
+ ULONG uVal;
+} SEE_THREESOME;
+
+typedef struct _SEE_LIST
+{
+ ULONG uCount;
+ SEE_THREESOME data[16];
+}
+SEE_LIST;
+
+SCORE
+ControlsSquareMinusPiece(ULONG uSide,
+ POSITION *pos,
+ COOR c,
+ COOR cIgnore);
+
+//
+// testsee.c
+//
+SCORE
+DebugSEE(POSITION *pos,
+ MOVE mv);
+
+void
+TestGetAttacks(void);
+
+//
+// hash.c
+//
+#define NUM_HASH_ENTRIES_PER_LINE 4
+#define HASH_FLAG_EXACT 0x1
+#define HASH_FLAG_LOWER 0x2
+#define HASH_FLAG_UPPER 0x4
+#define HASH_FLAG_VALID_BOUNDS 0x7
+#define HASH_FLAG_THREAT 0x8
+#define HASH_FLAG_DIRTY 0xF0
+
+typedef struct _HASH_ENTRY
+{
+ MOVE mv; // 0 1 2 3
+ UCHAR uDepth; // 4
+ UCHAR bvFlags; // 5 ==> d d d d | thr up low exact
+ signed short iValue; // 6 7
+ UINT64 u64Sig; // 8 9 A B C D E F == 16 bytes
+} HASH_ENTRY;
+
+FLAG
+InitializeHashSystem(void);
+
+void
+CleanupHashSystem(void);
+
+void
+ClearHashTable(void);
+
+void
+DirtyHashTable(void);
+
+void
+StoreLowerBound(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+void
+StoreExactScore(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat,
+ ULONG uPly);
+
+void
+StoreUpperBound(//MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+
+HASH_ENTRY *
+HashLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ ULONG uNextDepth,
+ SCORE iAlpha,
+ SCORE iBeta,
+ FLAG *pfThreat,
+ FLAG *pfAvoidNull,
+ MOVE *pHashMove,
+ SCORE *piScore);
+
+COOR
+CheckHashForDangerSquare(POSITION *pos);
+
+MOVE
+GetPonderMove(POSITION *pos);
+
+extern ULONG g_uHashTableSizeEntries;
+extern ULONG g_uHashTableSizeBytes;
+extern HASH_ENTRY *g_pHashTable;
+
+//
+// testhash.c
+//
+void
+AnalyzeFullHashTable(void);
+
+//
+// positionhash.c
+//
+// IDEA: store "mate threat" flag in here?
+// IDEA: store "king safety" numbers in here?
+//
+typedef struct _POSITION_HASH_ENTRY {
+ UINT64 u64Sig;
+ UCHAR cEnprise[2];
+ UCHAR uEnpriseCount[2];
+ UCHAR cTrapped[2];
+} POSITION_HASH_ENTRY;
+
+void
+InitializePositionHashSystem(void);
+
+void
+CleanupPositionHashSystem(void);
+
+void
+StoreEnprisePiece(POSITION *pos, COOR cSquare);
+
+void
+StoreTrappedPiece(POSITION *pos, COOR cSquare);
+
+COOR
+GetEnprisePiece(POSITION *pos, ULONG uSide);
+
+ULONG
+GetEnpriseCount(POSITION *pos, ULONG uSide);
+
+COOR
+GetTrappedPiece(POSITION *pos, ULONG uSide);
+
+FLAG
+SideCanStandPat(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleDespiteMove(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleAfterNull(POSITION *pos, ULONG uSide);
+
+//
+// pawnhash.c
+//
+#define COOR_TO_BIT(x) ((x) & 0x7) + ((0x7 - ((x) >> 4)) << 3)
+
+void
+ClearPawnHashStats(void);
+
+void
+ReportPawnHashStats(void);
+
+PAWN_HASH_ENTRY *
+PawnHashLookup(SEARCHER_THREAD_CONTEXT *ctx);
+
+//
+// eval.c
+//
+#define LAZY_EVAL
+#define LAZE_EVAL_BASE_SCORE 10
+extern const int g_iAhead[2];
+extern const int g_iBehind[2];
+
+ULONG
+DNABufferSizeBytes();
+
+char *
+ExportEvalDNA();
+
+FLAG
+WriteEvalDNA(char *szFilename);
+
+FLAG
+ImportEvalDNA(char *p);
+
+FLAG
+ReadEvalDNA(char *szFilename);
+
+
+
+SCORE
+Eval(SEARCHER_THREAD_CONTEXT *, SCORE, SCORE);
+
+FLAG
+EvalPasserRaces(POSITION *,
+ PAWN_HASH_ENTRY *);
+
+ULONG
+CountKingSafetyDefects(POSITION *pos,
+ ULONG uSide);
+
+//
+// testeval.c
+//
+#ifdef EVAL_DUMP
+void
+TestEval(void);
+
+void
+EvalTraceReport(void);
+
+void
+EvalTrace(ULONG uColor, PIECE p, COOR c, SCORE iVal, CHAR *szMessage);
+
+SCORE
+EvalSigmaForPiece(POSITION *pos, COOR c);
+
+void
+EvalTraceClear(void);
+
+void
+TestEvalWithSymmetry(void);
+
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ); \
+ EvalTrace((COL), (PIE), (COO), (ADJ), (MESS));
+#else
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ);
+#endif
+
+//
+// bitboard.c
+//
+void
+InitializeBitboards(void);
+
+ULONG CDECL
+SlowCountBits(BITBOARD bb);
+
+ULONG CDECL
+DeBruijnFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowLastBit(BITBOARD bb);
+
+COOR
+CoorFromBitBoardRank8ToRank1(BITBOARD *pbb);
+
+COOR
+CoorFromBitBoardRank1ToRank8(BITBOARD *pbb);
+
+//
+// x86.asm
+//
+ULONG CDECL
+CountBits(BITBOARD bb);
+
+ULONG CDECL
+FirstBit(BITBOARD bb);
+
+ULONG CDECL
+LastBit(BITBOARD bb);
+
+ULONG CDECL
+LockCompareExchange(volatile void *pDest,
+ ULONG uExch,
+ ULONG uComp);
+
+ULONG CDECL
+LockIncrement(volatile void *pDest);
+
+ULONG CDECL
+LockDecrement(volatile void *pDest);
+
+FLAG CDECL
+CanUseParallelOpcodes();
+
+ULONG CDECL
+ParallelCompareUlong(ULONG uComparand, void *pComparators);
+
+ULONG CDECL
+ParallelCompareVector(void *pComparand, void *pComparators);
+
+void CDECL
+GetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+
+void CDECL
+SlowGetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+
+#ifdef _X86_
+//
+// Note: this is most of the stuff that x86.asm assumes about the
+// internal data structures. If any of this fails then either the
+// assembly language code needs to be updated or you need to use the C
+// version of the routine in see.c instead.
+//
+#define ASSERT_ASM_ASSUMPTIONS \
+ ASSERT(VALUE_PAWN == 100); \
+ ASSERT(OFFSET_OF(uCount, SEE_LIST) == 0); \
+ ASSERT(OFFSET_OF(data, SEE_LIST) == 4); \
+ ASSERT(sizeof(SEE_THREESOME) == 12); \
+ ASSERT(OFFSET_OF(pPiece, SEE_THREESOME) == 0); \
+ ASSERT(OFFSET_OF(cLoc, SEE_THREESOME) == 4); \
+ ASSERT(OFFSET_OF(uVal, SEE_THREESOME) == 8); \
+ ASSERT(OFFSET_OF(cNonPawns, POSITION) == 0x478); \
+ ASSERT(OFFSET_OF(uNonPawnCount, POSITION) == 0x500); \
+ ASSERT(OFFSET_OF(rgSquare, POSITION) == 0); \
+ ASSERT(sizeof(SQUARE) == 8); \
+ ASSERT(sizeof(VECTOR_DELTA) == 4); \
+ ASSERT(sizeof(g_VectorDelta) == 256 * 4); \
+ ASSERT(OFFSET_OF(iVector, VECTOR_DELTA) == 0); \
+ ASSERT(OFFSET_OF(iDelta, VECTOR_DELTA) == 2); \
+ ASSERT(OFFSET_OF(iNegDelta, VECTOR_DELTA) == 3); \
+ ASSERT(sizeof(g_PieceData) == 8 * 4 * 4); \
+ ASSERT(OFFSET_OF(uValue, PIECE_DATA) == 0);
+#else
+#define ASSERT_ASM_ASSUMPTIONS
+#endif
+
+//
+// testbitboard.c
+//
+void
+TestBitboards(void);
+
+//
+// dynamic.c
+//
+extern ULONG g_HistoryCounters[14][128];
+
+ULONG
+GetMoveFailHighPercentage(MOVE mv);
+
+void
+UpdateDynamicMoveOrdering(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uRemainingDepth,
+ MOVE mvBest,
+ SCORE iScore,
+ ULONG uCurrent);
+
+void
+NewKillerMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv, SCORE iScore);
+
+FLAG
+InitializeDynamicMoveOrdering(void);
+
+void
+CleanupDynamicMoveOrdering(void);
+
+void
+ClearDynamicMoveOrdering(void);
+
+void
+MaintainDynamicMoveOrdering(void);
+
+void
+IncrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+void
+DecrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+//
+// split.c
+//
+extern volatile ULONG g_uNumHelpersAvailable;
+extern ULONG g_uNumHelperThreads;
+
+FLAG
+InitializeParallelSearch(void);
+
+FLAG
+CleanupParallelSearch(void);
+
+void
+ClearHelperThreadIdleness(void);
+
+void
+DumpHelperIdlenessReport(void);
+
+SCORE
+StartParallelSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN SCORE iBeta,
+ IN OUT SCORE *piBestScore,
+ IN OUT MOVE *pmvBest,
+ IN ULONG uMoveNum,
+ IN INT iPositionExtend,
+ IN ULONG uDepth);
+
+void
+InitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ReInitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+InitializeLightweightSearcherContext(POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx);
+
+//
+// book.c
+//
+
+#define BOOK_PROBE_MISS_LIMIT (7)
+#define FLAG_DISABLED (1)
+#define FLAG_ALWAYSPLAY (2)
+#define FLAG_DELETED (4)
+
+#define BOOKMOVE_SELECT_MOVE (1)
+#define BOOKMOVE_DUMP (2)
+
+#pragma pack(4)
+typedef struct _BOOK_ENTRY
+{
+ UINT64 u64Sig; // 8 bytes
+ UINT64 u64NextSig; // 8 bytes
+ MOVE mvNext; // 4 bytes
+ ULONG uWins; // 4 bytes
+ ULONG uDraws; // 4 bytes
+ ULONG uLosses; // 4 bytes
+ BITV bvFlags; // 4 bytes
+}
+BOOK_ENTRY;
+#pragma pack()
+
+typedef struct _OPENING_NAME_MAPPING
+{
+ UINT64 u64Sig;
+ CHAR *szString;
+}
+OPENING_NAME_MAPPING;
+
+#define BOOK_EDITING_RECORD "bkedit.edt"
+#define OPENING_LEARNING_FILENAME "bklearn.bin"
+
+typedef struct _OPENING_LEARNING_ENTRY
+{
+ UINT64 u64Sig;
+ ULONG uWhiteWins;
+ ULONG uDraws;
+ ULONG uBlackWins;
+}
+OPENING_LEARNING_ENTRY;
+
+FLAG
+InitializeOpeningBook(void);
+
+void
+ResetOpeningBook(void);
+
+void
+CleanupOpeningBook(void);
+
+MOVE
+BookMove(POSITION *pos,
+ BITV bvFlags);
+
+COMMAND(BookCommand);
+
+extern ULONG g_uBookProbeFailures;
+extern FLAG g_fTournamentMode;
+extern CHAR *g_szBookName;
+
+//
+// bench.c
+//
+COMMAND(BenchCommand);
+
+//
+// testdraw.c
+//
+void
+TestDraw(void);
+
+//
+// probe.c
+//
+FLAG
+ProbeEGTB(SEARCHER_THREAD_CONTEXT *ctx, SCORE *score);
+
+void
+InitializeEGTB(void);
+
+void
+CleanupEGTB(void);
+
+//
+// dumptree.c
+//
+#ifdef DUMP_TREE
+
+void
+InitializeTreeDump(void);
+
+void
+CleanupTreeDump(void);
+
+void
+DTEnterNode(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fIsQNode,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+void
+DTLeaveNode(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fQNode,
+ SCORE iBestScore,
+ MOVE mvBestMove);
+
+void CDECL
+DTTrace(ULONG uPly, CHAR *szMessage, ...);
+
+#define DTTRACE(...) DTTrace(ctx->uPly, __VA_ARGS__)
+
+#else
+
+#define DTTRACE(...)
+
+#define DTEnterNode(...)
+
+#define DTLeaveNode(...)
+
+#define InitializeTreeDump(...)
+
+#define CleanupTreeDump(...)
+
+#endif
+
+//
+// testsup.c
+//
+FLAG
+IsBoardLegal(POSITION *pos);
+
+void
+GenerateRandomLegalPosition(POSITION *pos);
+
+void
+GenerateRandomLegalSymetricPosition(POSITION *pos);
+
+//
+// recogn.c
+//
+#define UNRECOGNIZED (0)
+#define RECOGN_EXACT (1)
+#define RECOGN_UPPER (2)
+#define RECOGN_LOWER (3)
+#define RECOGN_EGTB (4)
+
+void
+InitializeInteriorNodeRecognizers(void);
+
+ULONG
+RecognLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE *piScore,
+ FLAG fProbeEGTB);
+
+#ifdef EVAL_HASH
+void
+ClearEvalHashStats(void);
+
+void
+ReportEvalHashStats(void);
+
+SCORE
+ProbeEvalHash(SEARCHER_THREAD_CONTEXT *ctx);
+
+SCORE
+GetRoughEvalScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN FLAG fUseHash);
+
+void
+StoreEvalHash(SEARCHER_THREAD_CONTEXT *ctx, SCORE iScore);
+#endif // EVAL_HASH
+
+#endif // CHESS
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ command.c
+
+Abstract:
+
+ Process commands received by the input thread. Note: the COMMAND
+ macro is defined in chess.h and used heavily in this module to
+ build function declarations. It hides four parameters:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Author:
+
+
+Revision History:
+
+ $Id: command.c 354 2008-06-30 05:10:08Z scott $
+
+**/
+
+#include "chess.h"
+
+#define MAX_ARGS 32
+int g_eModeBeforeAnalyze = -1;
+
+typedef void (COMMAND_PARSER_FUNCTION)(CHAR *szInput,
+ ULONG argc,
+ CHAR *argv[],
+ POSITION *pos);
+typedef struct _COMMAND_PARSER_ENTRY
+{
+ CHAR *szOpcode;
+ COMMAND_PARSER_FUNCTION *pFunction;
+ FLAG fHandleOnTheFly;
+ FLAG fInvisible;
+ FLAG fWinBoard;
+ CHAR *szSimpleHelp;
+}
+COMMAND_PARSER_ENTRY;
+
+
+COMMAND(AnalyzeCommand)
+/**
+
+Routine description:
+
+ This function implements the 'analyze' engine command.
+
+ Usage:
+
+ analyze
+
+ This command takes no arguments and causes the engine to enter
+ analyze mode. See also: exit
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (g_Options.ePlayMode != ANALYZE_MODE)
+ {
+ g_eModeBeforeAnalyze = g_Options.ePlayMode;
+ g_Options.ePlayMode = ANALYZE_MODE;
+ }
+}
+
+COMMAND(AnalyzeProgressCommand)
+/**
+
+Routine description:
+
+ This function implements the 'analyzeprogressreport' engine
+ command.
+
+ Usage:
+
+ analyzeprogressreport
+
+ This command takes no arguments and causes the engine to dump
+ the current analysis.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (g_Options.ePlayMode == ANALYZE_MODE)
+ {
+ Trace("%s\n", g_Options.szAnalyzeProgressReport);
+ }
+}
+
+COMMAND(BlackCommand)
+/**
+
+Routine description:
+
+ This function implements the 'black' engine command.
+
+ Usage:
+
+ black
+
+ This command takes no arguments and causes the engine to play
+ white and set black to move.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ TellGamelistThatIPlayColor(WHITE);
+ g_Options.ePlayMode = I_PLAY_WHITE;
+ pos->uToMove = BLACK;
+ pos->u64NonPawnSig = ComputeSig(pos);
+}
+
+
+COMMAND(BoardCommand)
+/**
+
+Routine description:
+
+ This function implements the 'board' engine command.
+
+ Usage:
+
+ board
+
+ This command takes no arguments and displays the current board
+ position on stdout and in the log.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ DumpPosition(pos);
+}
+
+COMMAND(ComputerCommand)
+/**
+
+Routine description:
+
+ This function implements the 'computer' engine command.
+
+ Usage:
+
+ computer
+
+ This command takes no argument and informs the engine that it
+ is playing against another computer.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ g_Options.fOpponentIsComputer = TRUE;
+ Trace("tellics +alias whisper kib\n");
+}
+
+COMMAND(DrawCommand)
+{
+ //if (g_iNumDrawScoresInARow > 4)
+ //{
+ // ToXboard("tellopponent I accept your draw offer.\n");
+ // ToXboard("tellics draw\n");
+ //}
+ //else
+ //{
+ //Trace("tellopponent Sorry I do not accept your draw offer at "
+ // "this time.\n");
+ //Trace("tellics decline draw\n");
+ //}
+}
+
+
+//
+// TODO: timestamp command
+//
+
+void
+DumpSizes(void)
+/**
+
+Routine description:
+
+ Dump the sizes of some internal data structures on stdout.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("sizeof(PAWN_HASH_ENTRY). . . . . . . . . %u bytes\n"
+ "sizeof(HASH_ENTRY) . . . . . . . . . . . %u bytes\n"
+ "sizeof(MOVE) . . . . . . . . . . . . . . %u bytes\n"
+ "sizeof(ATTACK_BITV). . . . . . . . . . . %u bytes\n"
+ "sizeof(SQUARE) . . . . . . . . . . . . . %u bytes\n"
+ "sizeof(POSITION) . . . . . . . . . . . . %u bytes\n"
+ "sizeof(MOVE_STACK) . . . . . . . . . . . %u bytes\n"
+ "sizeof(PLY_INFO) . . . . . . . . . . . . %u bytes\n"
+ "sizeof(COUNTERS) . . . . . . . . . . . . %u bytes\n"
+ "sizeof(SEARCHER_THREAD_CONTEXT). . . . . %u bytes\n"
+ "sizeof(GAME_OPTIONS) . . . . . . . . . . %u bytes\n"
+ "sizeof(MOVE_TIMER) . . . . . . . . . . . %u bytes\n"
+ "sizeof(PIECE_DATA) . . . . . . . . . . . %u bytes\n"
+ "sizeof(VECTOR_DELTA) . . . . . . . . . . %u bytes\n"
+ "sizeof(GAME_PLAYER). . . . . . . . . . . %u bytes\n"
+ "sizeof(GAME_HEADER). . . . . . . . . . . %u bytes\n"
+ "sizeof(GAME_MOVE). . . . . . . . . . . . %u bytes\n"
+ "sizeof(GAME_DATA). . . . . . . . . . . . %u bytes\n"
+ "sizeof(SEE_LIST) . . . . . . . . . . . . %u bytes\n"
+ "sizeof(BOOK_ENTRY) . . . . . . . . . . . %u bytes\n"
+ "-------------------------------------------------\n"
+ "Current main hash table size . . . . . . %u bytes (~%u Mb)\n",
+ sizeof(PAWN_HASH_ENTRY), sizeof(HASH_ENTRY), sizeof(MOVE),
+ sizeof(ATTACK_BITV), sizeof(SQUARE), sizeof(POSITION),
+ sizeof(MOVE_STACK), sizeof(PLY_INFO), sizeof(COUNTERS),
+ sizeof(SEARCHER_THREAD_CONTEXT), sizeof(GAME_OPTIONS),
+ sizeof(MOVE_TIMER), sizeof(PIECE_DATA), sizeof(VECTOR_DELTA),
+ sizeof(GAME_PLAYER), sizeof(GAME_HEADER), sizeof(GAME_MOVE),
+ sizeof(GAME_DATA), sizeof(SEE_LIST), sizeof(BOOK_ENTRY),
+ (g_uHashTableSizeEntries * sizeof(HASH_ENTRY)),
+ ((g_uHashTableSizeEntries * sizeof(HASH_ENTRY)) / MB));
+ ASSERT_ASM_ASSUMPTIONS;
+}
+
+
+COMMAND(DumpCommand)
+/**
+
+Routine description:
+
+ This function implements the 'dump' engine command.
+
+ Usage:
+
+ dump board
+ dump moves
+ dump pgn
+ dump sizes
+ dump eval [optional coor]
+ dump evaldna
+
+ This command is used to dump internal information to the
+ stdout.
+
+ When used with the 'board' argument, a dump of the internal
+ representation of the current board position is produced.
+
+ When used with the 'moves' argument, a list of the moves played
+ thus far in the current game is produced in list format.
+
+ When used with the 'pgn' argument, a list of the moves played
+ thus far in the current game is produced in PGN format.
+
+ When used with the 'sizes' argument, a dump of internal data
+ structure sizes is produced.
+
+ When used with the 'eval' argument and no optional coordinate
+ a dump of all eval terms from the last time the eval function
+ was invoked is produced. If the optional coordinate is
+ provided then the eval terms DIRECTLY affected by the piece at
+ the supplied coordinate is produced. Note: to use dump eval
+ the engine must have been built with -DEVAL_DUMP.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+#ifdef EVAL_DUMP
+ COOR c;
+#endif
+
+ if (argc < 2)
+ {
+ Trace("Error (missing argument)\n");
+ return;
+ }
+ if (!STRCMPI(argv[1], "board"))
+ {
+ DumpPosition(pos);
+ }
+ else if (!STRCMPI(argv[1], "moves"))
+ {
+ DumpGameList();
+ }
+ else if (!STRCMPI(argv[1], "pgn"))
+ {
+ DumpPgn();
+ }
+ else if (!STRCMPI(argv[1], "sizes"))
+ {
+ DumpSizes();
+ }
+ else if (!STRCMPI(argv[1], "evaldna"))
+ {
+ char *p = ExportEvalDNA();
+ Trace("EvalDNA: %s\n", p);
+ free(p);
+ }
+#ifdef EVAL_DUMP
+ else if (!STRCMPI(argv[1], "eval"))
+ {
+ if (argc < 3)
+ {
+ EvalTraceReport();
+ }
+ else
+ {
+ if (!STRCMPI(argv[2], "terms"))
+ {
+ EvalTraceReport();
+ } else {
+ if (LooksLikeCoor(argv[2]))
+ {
+ c = FILE_RANK_TO_COOR((tolower(argv[2][0]) - 'a'),
+ (tolower(argv[2][1]) - '0'));
+ (void)EvalSigmaForPiece(pos, c);
+ } else {
+ (void)EvalSigmaForPiece(pos, ILLEGAL_COOR);
+ }
+ }
+ }
+ }
+#endif
+}
+
+COMMAND(EasyCommand)
+/**
+
+Routine description:
+
+ This function implements the 'easy' engine command.
+
+ Usage:
+
+ easy
+
+ This command takes no arguments and causes the engine not to
+ think on the opponent's time (i.e. not to ponder)
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ g_Options.fShouldPonder = FALSE;
+}
+
+COMMAND(EditCommand)
+/**
+
+Routine description:
+
+ This function implements the 'edit' engine command.
+
+ Usage:
+
+ This command is deprecated and should not be used.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("Error (obsolete command): %s\n", argv[0]);
+ Trace("\nPlease upgrade your version of xboard at "
+ "http://www.timmann.org/\n");
+}
+
+COMMAND(EvalCommand)
+/**
+
+Routine description:
+
+ This function implements the 'eval' engine command.
+
+ Usage:
+
+ eval
+
+ This command takes no arguments and causes the engine to print
+ out a static evaluation of the current board position.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ SEARCHER_THREAD_CONTEXT *ctx;
+ SCORE i;
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ if (NULL != ctx)
+ {
+ InitializeSearcherContext(pos, ctx);
+ i = Eval(ctx, -INFINITY, +INFINITY);
+ Trace("Static eval: %s\n", ScoreToString(i));
+ SystemFreeMemory(ctx);
+ } else {
+ Trace("Out of memory.\n");
+ }
+}
+
+
+COMMAND(EvalDnaCommand)
+/**
+
+Routine description:
+
+ This function implements the 'evaldna' engine command.
+
+ Usage:
+
+ evaldna write <filename>
+ evaldna read <filename>
+ evaldna dump
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ char *p;
+ if (argc < 2)
+ {
+ Trace("Usage: evaldna <read | write> <filename>\n"
+ " evaldna dump\n");
+ return;
+ }
+ if (!STRCMPI(argv[1], "write"))
+ {
+ if (argc < 3) {
+ Trace("Error (missing argument)\n");
+ return;
+ }
+ if (!WriteEvalDNA(argv[2]))
+ {
+ Trace("Error writing dna file.\n");
+ } else {
+ Trace("DNA file written.\n");
+ }
+ }
+ else if (!STRCMPI(argv[1], "read") ||
+ !STRCMPI(argv[1], "load"))
+ {
+ if (argc < 3) {
+ Trace("Error (missing argument)\n");
+ return;
+ }
+ if (!ReadEvalDNA(argv[2]))
+ {
+ Trace("Error reading dna file.\n");
+ } else {
+ Trace("Loaded dna file \"%s\"\n", argv[2]);
+ p = ExportEvalDNA();
+ Log("(New) dna: %s\n", p);
+ free(p);
+ }
+ }
+ else if (!STRCMPI(argv[1], "dump"))
+ {
+ p = ExportEvalDNA();
+ Trace("EvalDNA: %s\n", p);
+ free(p);
+ }
+}
+
+
+COMMAND(ExitCommand)
+/**
+
+Routine description:
+
+ This function implements the 'exit' engine command.
+
+ Usage:
+
+ exit
+
+ This command takes no arguments and causes the engine to leave
+ analyze mode. The engine reverts to the mode it was in prior
+ to entering analyze mode. See also: analyze
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (g_Options.ePlayMode == ANALYZE_MODE)
+ {
+ ASSERT(g_eModeBeforeAnalyze != ANALYZE_MODE);
+ g_Options.ePlayMode = g_eModeBeforeAnalyze;
+ }
+}
+
+COMMAND(ForceCommand)
+/**
+
+Routine description:
+
+ This function implements the 'force' engine command.
+
+ Usage:
+
+ force
+
+ This command takes no arguments and causes the engine to enter
+ 'force mode'. In this mode it will play neither side.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ TellGamelistThatIPlayColor(BLACK);
+ g_Options.ePlayMode = FORCE_MODE;
+}
+
+COMMAND(GenerateCommand)
+/**
+
+Routine description:
+
+ This function is not directly callable. See 'test generate'
+ instead.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ SEARCHER_THREAD_CONTEXT *ctx;
+ MOVE mv;
+ ULONG u, uLegal = 0;
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ if (NULL != ctx)
+ {
+ memcpy(&(ctx->sPosition), pos, sizeof(POSITION));
+ mv.uMove = 0;
+ GenerateMoves(ctx, mv, (InCheck(pos, pos->uToMove) ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+ ASSERT(ctx->uPly == 0);
+ for (u = ctx->sMoveStack.uBegin[0];
+ u < ctx->sMoveStack.uEnd[0];
+ u++)
+ {
+ mv = ctx->sMoveStack.mvf[u].mv;
+ if (MakeMove(ctx, mv))
+ {
+ ASSERT(!InCheck(&(ctx->sPosition), GET_COLOR(mv.pMoved)));
+ uLegal++;
+ UnmakeMove(ctx, mv);
+ Trace("%2u. %s (%d)\t",
+ uLegal,
+ MoveToSan(mv, &(ctx->sPosition)),
+ ctx->sMoveStack.mvf[u].iValue);
+ if (uLegal % 3 == 0)
+ {
+ Trace("\n");
+ }
+ }
+ }
+ Trace("\n%u legal move(s).\n", uLegal);
+ SystemFreeMemory(ctx);
+ }
+}
+
+COMMAND(PlayOtherCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (pos->uToMove == WHITE)
+ {
+ TellGamelistThatIPlayColor(BLACK);
+ g_Options.ePlayMode = I_PLAY_BLACK;
+ } else {
+ ASSERT(pos->uToMove == BLACK);
+ TellGamelistThatIPlayColor(WHITE);
+ g_Options.ePlayMode = I_PLAY_WHITE;
+ }
+}
+
+
+COMMAND(GoCommand)
+/**
+
+Routine description:
+
+ This function implements the 'go' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (pos->uToMove == WHITE)
+ {
+ TellGamelistThatIPlayColor(WHITE);
+ g_Options.ePlayMode = I_PLAY_WHITE;
+ } else {
+ ASSERT(pos->uToMove == BLACK);
+ TellGamelistThatIPlayColor(BLACK);
+ g_Options.ePlayMode = I_PLAY_BLACK;
+ }
+}
+
+COMMAND(HardCommand)
+{
+ g_Options.fShouldPonder = TRUE;
+}
+
+COMMAND(HelpCommand);
+
+COMMAND(HintCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("Error (not implemented): %s\n", argv[0]);
+}
+
+CHAR *OnlyDigits(CHAR *sz)
+{
+ static CHAR out[SMALL_STRING_LEN_CHAR];
+ CHAR *p = out;
+ ULONG uCount = 0;
+
+ while((*sz) && (uCount < SMALL_STRING_LEN_CHAR))
+ {
+ if (isdigit(*sz))
+ {
+ uCount++;
+ *p++ = *sz++;
+ }
+ }
+ *p++ = '\0';
+ return(out);
+}
+
+COMMAND(LevelCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x;
+
+ if (argc < 4)
+ {
+ Trace("Error (syntax): %s\n", argv[0]);
+ } else {
+ g_Options.uMovesPerTimePeriod = atoi(OnlyDigits(argv[1]));
+ g_Options.uMyClock = atoi(OnlyDigits(argv[2]));
+ g_Options.uMyIncrement = atoi(OnlyDigits(argv[3]));
+
+ g_Options.eClock = CLOCK_NORMAL;
+ if (g_Options.uMyIncrement)
+ {
+ g_Options.eClock = CLOCK_INCREMENT;
+ }
+
+ x = (g_Options.uMyClock + ((g_Options.uMyIncrement * 2) / 3));
+ g_Options.uMyClock *= 60;
+
+ Trace("etime = %u (clock %u and inc %u)\n", x,
+ g_Options.uMyClock, g_Options.uMyIncrement);
+ if (x <= 6)
+ {
+ Trace("bullet game\n");
+ g_Options.eGameType = GAME_BULLET;
+ }
+ else if (x < 15)
+ {
+ Trace("blitz game\n");
+ g_Options.eGameType = GAME_BLITZ;
+ } else {
+ Trace("standard game\n");
+ g_Options.eGameType = GAME_STANDARD;
+ }
+ }
+}
+
+COMMAND(MoveNowCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("MOVE NOW COMMAND --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+}
+
+COMMAND(MovesCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ DumpGameList();
+}
+
+COMMAND(XboardCommand);
+COMMAND(NameCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (argc < 2)
+ {
+ XboardCommand(szInput, argc, argv, pos);
+ } else {
+ SetOpponentsName(argv[1]);
+ }
+}
+
+COMMAND(NewCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("tellics -alias whisp*\n");
+ PreGameReset(TRUE);
+ TellGamelistThatIPlayColor(BLACK);
+ g_Options.ePlayMode = I_PLAY_BLACK;
+ g_Options.uMaxDepth = MAX_PLY_PER_SEARCH - 1;
+}
+
+COMMAND(NoPostCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ g_Options.fShouldPost = FALSE;
+}
+
+COMMAND(OtimCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x;
+
+ if (argc < 2)
+ {
+ Trace("My opponent's clock stands at %u sec remaining.\n",
+ g_Options.uOpponentsClock);
+
+ switch (g_Options.eClock)
+ {
+ case CLOCK_FIXED:
+ Trace("The move timer is fixed, %u sec / move.\n",
+ g_Options.uMyIncrement);
+ break;
+ case CLOCK_NORMAL:
+ if (g_Options.uMovesPerTimePeriod != 0)
+ {
+ Trace("The move timer is normal, %u moves / time "
+ "period.\n",
+ g_Options.uMovesPerTimePeriod);
+ } else {
+ Trace("The move timer is normal, finish entire "
+ "game in allotted time.\n");
+ }
+ break;
+ case CLOCK_INCREMENT:
+ Trace("The move timer is increment, additional %u sec "
+ "/ move.\n",
+ g_Options.uMyIncrement);
+ break;
+ case CLOCK_NONE:
+ default:
+ Trace("The clock and move timer are disabled.\n");
+ break;
+ }
+ } else {
+ x = atoi(argv[1]);
+ if (x >= 0)
+ {
+ g_Options.uOpponentsClock = x / 100; // convert to seconds
+ } else {
+ Trace("Error (invalid time): %d\n", x);
+ }
+ }
+}
+
+COMMAND(PingCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (argc > 1)
+ {
+ Trace("pong %s\n", argv[1]);
+ }
+}
+
+COMMAND(PostCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ g_Options.fShouldPost = TRUE;
+}
+
+COMMAND(ProtoverCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("feature sigint=0 sigterm=0 myname=\"typhoon %s\" ping=1 "
+ "setboard=1 playother=1 colors=0 time=1 analyze=1 pause=1 "
+ "reuse=1 done=1\n", VERSION);
+}
+
+COMMAND(QuitCommand)
+/**
+
+Routine description:
+
+ This function implements the 'quit' engine command.
+
+ Usage: quit
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+#ifdef MP
+ ULONG u = 0;
+#endif
+
+ //
+ // Stop searching; if we are on an MP box wait until all helper
+ // threads return to the idle state and exit.
+ //
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+#ifdef MP
+ u = 0;
+ do
+ {
+ SystemDeferExecution(100);
+ if (++u == 5) break;
+ }
+ while(g_uNumHelpersAvailable != g_uNumHelperThreads);
+#endif
+
+ //
+ // We should be the last thread in the process now.
+ //
+}
+
+COMMAND(RatedCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ g_Options.fGameIsRated = TRUE;
+}
+
+COMMAND(RatingCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x;
+
+ if (argc < 3)
+ {
+ Trace("Error (bad usage): %s\n", argv[0]);
+ } else {
+ x = atoi(argv[1]);
+ if (x >= 0)
+ {
+ SetMyRating(x);
+ }
+ x = atoi(argv[2]);
+ if (x >= 0)
+ {
+ SetOpponentsRating(x);
+ }
+ }
+}
+
+COMMAND(RandomCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("%u\n", rand());
+}
+
+COMMAND(RemoveCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (TRUE == OfficiallyTakebackMove())
+ {
+ if (TRUE == OfficiallyTakebackMove())
+ {
+ return;
+ }
+ }
+ Trace("Error (unable to takeback move)\n");
+}
+
+COMMAND(ResultCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ GAME_RESULT result;
+ result.eResult = RESULT_UNKNOWN;
+ result.szDescription[0] = '\0';
+
+ if (argc < 2)
+ {
+ Trace("Argc was %u\n", argc);
+ Trace("Usage: result <result> [optional comment]\n");
+ } else {
+ if (!STRNCMPI("1-0", argv[1], 3))
+ {
+ result.eResult = RESULT_WHITE_WON;
+ }
+ else if (!STRNCMPI("0-1", argv[1], 3))
+ {
+ result.eResult = RESULT_BLACK_WON;
+ }
+ else if ((!STRNCMPI("1/2", argv[1], 3)) ||
+ (!STRNCMPI("=", argv[1], 1)))
+ {
+ result.eResult = RESULT_DRAW;
+ }
+ if (argc < 2) {
+ strncpy(result.szDescription, argv[2], 256);
+ }
+ SetGameResultAndDescription(result);
+ if (g_Options.ePlayMode != FORCE_MODE)
+ {
+ DumpPgn();
+ TellGamelistThatIPlayColor(BLACK);
+ g_Options.ePlayMode = FORCE_MODE;
+ }
+ }
+}
+
+COMMAND(SearchDepthCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x;
+
+ if (argc < 2)
+ {
+ Trace("Current maximum depth limit is %u ply.\n"
+ "The largest depth the engine can search to is %u ply.\n",
+ g_Options.uMaxDepth,
+ MAX_PLY_PER_SEARCH);
+ } else {
+ x = atoi(argv[1]);
+ if (x <= 0)
+ {
+ Trace("Error (illegal depth): %d\n", x);
+ }
+ else if (x >= MAX_PLY_PER_SEARCH)
+ {
+ Trace("Error (my max depth is %u): %u\n",
+ MAX_PLY_PER_SEARCH - 1, x);
+ } else {
+ g_Options.uMaxDepth = x;
+ }
+ }
+}
+
+COMMAND(SearchNodesCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ UINT64 x;
+
+ if (argc < 2)
+ {
+ g_Options.u64MaxNodeCount = 0;
+ Trace("Search nodecount limit disabled.\n");
+ } else {
+ x = strtoull(argv[1], NULL, 10);
+ if (x >= 0)
+ {
+ g_Options.u64MaxNodeCount = x;
+ Trace("Search node limit set to %llu.\n", x);
+ } else {
+ g_Options.u64MaxNodeCount = 0;
+ Trace("Search nodecount limit disabled.\n");
+ }
+ }
+}
+
+
+COMMAND(SearchTimeCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x;
+
+ if (argc < 2)
+ {
+ Trace("My clock stands at %u sec remaining.\n",
+ g_Options.uMyClock);
+ switch (g_Options.eClock)
+ {
+ case CLOCK_FIXED:
+ Trace("The move timer is fixed, %u sec / move.\n",
+ g_Options.uMyIncrement);
+ break;
+ case CLOCK_NORMAL:
+ if (g_Options.uMovesPerTimePeriod != 0)
+ {
+ Trace("The move timer is normal, %u moves / "
+ "time period.\n",
+ g_Options.uMovesPerTimePeriod);
+ } else {
+ Trace("The move timer is normal, finish entire game in "
+ "allotted time.\n");
+ }
+ break;
+ case CLOCK_INCREMENT:
+ Trace("The move timer is increment, additional %u sec "
+ "/ move.\n",
+ g_Options.uMyIncrement);
+ break;
+ case CLOCK_NONE:
+ default:
+ Trace("The clock and move timer are disabled.\n");
+ break;
+ }
+ } else {
+ x = atoi(argv[1]);
+ if (x >= 0)
+ {
+ g_Options.uMyIncrement = x;
+ g_Options.eClock = CLOCK_FIXED;
+ } else {
+ Trace("Error (illegal time per move): %u\n", x);
+ }
+ }
+}
+
+COMMAND(SetBoardCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ char *p;
+
+ if (argc < 2)
+ {
+ if (NULL != (p = PositionToFen(pos)))
+ {
+ Trace("Current board FEN is: %s\n", p);
+ SystemFreeMemory(p);
+ }
+ } else {
+ p = szInput + (argv[1] - argv[0]);
+ if (FALSE == SetRootPosition(p))
+ {
+ Trace("Error (malformed FEN): %s\n", p);
+ return;
+ }
+ VERIFY(PreGameReset(FALSE));
+ g_Options.ePlayMode = FORCE_MODE;
+ }
+}
+
+COMMAND(SEECommand)
+{
+ MOVE mv;
+ SCORE s;
+
+ if (argc < 3)
+ {
+ Trace("Usage: test see <required-move>\n");
+ return;
+ }
+ switch(LooksLikeMove(argv[2]))
+ {
+ case MOVE_SAN:
+ mv = ParseMoveSan(argv[2], pos);
+ break;
+ case MOVE_ICS:
+ mv = ParseMoveIcs(argv[2], pos);
+ break;
+ default:
+ mv.uMove = 0;
+ }
+ if (!mv.uMove)
+ {
+ Trace("Error (invalid move): '%s'\n", argv[2]);
+ return;
+ }
+ s = SEE(pos, mv);
+ Trace("SEE says that the value of move '%s' is %d\n", argv[2], s);
+}
+
+
+COMMAND(TestCommand)
+/**
+
+Routine description:
+
+ This function implements the 'test' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (argc < 2)
+ {
+ Trace("Error (missing argument)\n");
+ return;
+ }
+
+ if (!STRCMPI(argv[1], "generate"))
+ {
+ GenerateCommand(szInput, argc, argv, pos);
+ }
+ else if (!STRCMPI(argv[1], "draw"))
+ {
+ Trace("drawcount = %u\n",
+ CountOccurrancesOfSigInOfficialGameList(pos->u64NonPawnSig ^
+ pos->u64PawnSig));
+ }
+ else if (!STRCMPI(argv[1], "see"))
+ {
+ SEECommand(szInput, argc, argv, pos);
+ }
+#ifdef EVAL_DUMP
+ else if (!STRCMPI(argv[1], "eval"))
+ {
+ TestEvalWithSymmetry();
+ }
+#endif
+
+ //
+ // TODO: #ifdef TEST allow individual tests to be run here.
+ //
+}
+
+COMMAND(TimeCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x;
+
+ if (argc < 2)
+ {
+ Trace("My clock stands at %u sec remaining.\n",
+ g_Options.uMyClock);
+
+ switch (g_Options.eClock)
+ {
+ case CLOCK_FIXED:
+ Trace("The move timer is fixed, %u sec / move.\n",
+ g_Options.uMyIncrement);
+ break;
+ case CLOCK_NORMAL:
+ if (g_Options.uMovesPerTimePeriod != 0)
+ {
+ Trace("The move timer is normal, %u moves / time "
+ "period.\n",
+ g_Options.uMovesPerTimePeriod);
+ } else {
+ Trace("The move timer is normal, finish entire "
+ "game in allotted time.\n");
+ }
+ break;
+ case CLOCK_INCREMENT:
+ Trace("The move timer is increment, additional %u sec "
+ "/ move.\n",
+ g_Options.uMyIncrement);
+ break;
+ case CLOCK_NONE:
+ default:
+ Trace("The clock and move timer are disabled.\n");
+ break;
+ }
+ } else {
+ x = atoi(argv[1]);
+ if (x >= 0)
+ {
+ g_Options.uMyClock = x / 100; // convert to seconds
+ } else {
+ Trace("Error (illegal time): %d\n", x);
+ }
+ }
+}
+
+COMMAND(UndoCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ if (FALSE == OfficiallyTakebackMove())
+ {
+ Trace("Error (can't undo): %s\n", argv[0]);
+ }
+}
+
+COMMAND(UnratedCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ g_Options.fGameIsRated = FALSE;
+}
+
+
+COMMAND(VariantCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Trace("Error (not implemented): %s\n", argv[0]);
+ Trace("tellics abort\n");
+ ASSERT(FALSE);
+}
+
+COMMAND(VersionCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ Banner();
+}
+
+COMMAND(WhiteCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ TellGamelistThatIPlayColor(BLACK);
+ g_Options.ePlayMode = I_PLAY_BLACK;
+ pos->uToMove = WHITE;
+ pos->u64NonPawnSig = ComputeSig(pos);
+}
+
+
+COMMAND(XboardCommand)
+/**
+
+Routine description:
+
+ This function implements the '' engine command.
+
+ Usage:
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ g_Options.fRunningUnderXboard = TRUE;
+ Trace("\n\n");
+}
+
+COMMAND(AcceptedCommand)
+{
+ ;;
+}
+
+
+// HEREHERE
+COMMAND_PARSER_ENTRY g_ParserTable[] =
+{
+ { "?",
+ MoveNowCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Stop thinking and move immediately" },
+ { ".",
+ AnalyzeProgressCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Show engine's current best line when in analyze mode" },
+ { "accepted",
+ AcceptedCommand,
+ TRUE,
+ TRUE,
+ TRUE,
+ "Internal, part of the WinBoard protocol" },
+ { "analyze",
+ AnalyzeCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Enter analyze mode" },
+ { "avoid",
+ AvoidCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Set a move to avoid (up to three)" },
+ { "bench",
+ BenchCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Run a crafty benchmark and show results" },
+ { "bestmove",
+ GeneratePositionAndBestMoveSuite,
+ FALSE,
+ TRUE,
+ FALSE,
+ "Generate a best move suite from a PGN file" },
+ { "black",
+ BlackCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Sets black to move and computer to play white" },
+ { "book",
+ BookCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Manage the opening book" },
+ { "computer",
+ ComputerCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Informs the engine that it is playing another computer" },
+ { "dump",
+ DumpCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Dumps a structure, position, moves, or pgn" },
+ { "easy",
+ EasyCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Disable pondering" },
+ { "draw",
+ DrawCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Offer the engine a draw" },
+ { "edit",
+ EditCommand,
+ FALSE,
+ TRUE,
+ TRUE,
+ "Depreciated command, do not use" },
+ { "eval",
+ EvalCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Run a static eval" },
+ { "evaldna",
+ EvalDnaCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Read or write the DNA from the eval code." },
+ { "exit",
+ ExitCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Leave analyze mode" },
+ { "force",
+ ForceCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Enter force mode, engine plays neither side" },
+ { "go",
+ GoCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Sets engine to play side on move, begin thinking" },
+ { "hard",
+ HardCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Enable pondering" },
+ { "help",
+ HelpCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Show a list of commands available" },
+ { "hint",
+ HintCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Ask the engine for a hint" },
+ { "id",
+ IdCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Set a problem id name" },
+ { "level",
+ LevelCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Sets game time controls" },
+ { "name",
+ NameCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Tell the engine your name" },
+ { "new",
+ NewCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Start a new game" },
+ { "nopost",
+ NoPostCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Do not show thinking" },
+ { "otim",
+ OtimCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Inform the engine about opponent's clock" },
+ { "perft",
+ PerftCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Run a perft test on the move generator code." },
+ { "ping",
+ PingCommand,
+ TRUE,
+ TRUE,
+ TRUE,
+ "Internal part of the WinBoard protocol" },
+ { "playother",
+ PlayOtherCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Play the other side" },
+ { "post",
+ PostCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Show thinking" },
+ { "protover",
+ ProtoverCommand,
+ TRUE,
+ TRUE,
+ TRUE,
+ "Internal part of the WinBoard protocol" },
+ { "psqt",
+ LearnPsqtFromPgn,
+ FALSE,
+ TRUE,
+ FALSE,
+ "Learn a set of PSQT settings from a PGN file" },
+ { "quit",
+ QuitCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Exit the engine" },
+ { "random",
+ RandomCommand,
+ TRUE,
+ TRUE,
+ TRUE,
+ "no-op" },
+ { "rated",
+ RatedCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Inform the engine that this is a rated game" },
+ { "rating",
+ RatingCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Inform the engine ratings" },
+ { "remove",
+ RemoveCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Take back a full move" },
+ { "result",
+ ResultCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Inform the engine about a game result" },
+ { "script",
+ ScriptCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Run a script" },
+ { "sd",
+ SearchDepthCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Set engine maximum search depth" },
+ { "set",
+ SetCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "View or change an engine variable" },
+ { "setboard",
+ SetBoardCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Load a board position" },
+ { "solution",
+ SolutionCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Set a solution move (up to three)" },
+ { "sn",
+ SearchNodesCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Set the engine max nodes per search limit" },
+ { "st",
+ SearchTimeCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Set the engine search time" },
+ { "test",
+ TestCommand,
+ FALSE,
+ FALSE,
+ FALSE,
+ "Run an internal debugging command" },
+ { "time",
+ TimeCommand,
+ TRUE,
+ FALSE,
+ TRUE,
+ "Tell the engine how its clock stands" },
+ { "undo",
+ UndoCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Take back a halfmove" },
+ { "unrated",
+ UnratedCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Tell the engine that the game is unrated" },
+ { "variant",
+ VariantCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Tell the engine what variant the game is" },
+ { "version",
+ VersionCommand,
+ TRUE,
+ FALSE,
+ FALSE,
+ "Display current version number and build options" },
+ { "white",
+ WhiteCommand,
+ FALSE,
+ FALSE,
+ TRUE,
+ "Sets white to move, engine plays black" },
+ { "winboard",
+ XboardCommand,
+ TRUE,
+ TRUE,
+ TRUE,
+ "Internal part of the WinBoard protocol" },
+ { "xboard",
+ XboardCommand,
+ TRUE,
+ TRUE,
+ TRUE,
+ "Internal part of the WinBoard protocol" },
+};
+
+
+COMMAND(HelpCommand)
+{
+ char *command = NULL;
+ ULONG u;
+
+ //
+ // If passed an argument, give help only about that command.
+ // TODO: divert to a more specific help page here if available.
+ //
+ if (argc > 1)
+ {
+ command = argv[1];
+ for (u = 0; u < ARRAY_LENGTH(g_ParserTable); u++)
+ {
+ if ((!g_ParserTable[u].fInvisible) &&
+ (!STRCMPI(command, g_ParserTable[u].szOpcode)))
+ {
+ Trace("%-13s: %s\n",
+ g_ParserTable[u].szOpcode,
+ g_ParserTable[u].szSimpleHelp);
+ }
+ }
+ return;
+ }
+
+ //
+ // Otherwise general help about all commands.
+ //
+ Trace("xboard/WinBoard protocol support commands:\n"
+ "------------------------------------------\n");
+ for (u = 0; u < ARRAY_LENGTH(g_ParserTable); u++)
+ {
+ if ((g_ParserTable[u].fWinBoard) && (!g_ParserTable[u].fInvisible)) {
+ Trace("%-13s: %s\n",
+ g_ParserTable[u].szOpcode,
+ g_ParserTable[u].szSimpleHelp);
+ }
+ }
+ Trace("\nInternal engine commands:\n"
+ "-------------------------\n");
+ for (u = 0; u < ARRAY_LENGTH(g_ParserTable); u++)
+ {
+ if ((!g_ParserTable[u].fWinBoard) && (!g_ParserTable[u].fInvisible)) {
+ Trace("%-13s: %s\n",
+ g_ParserTable[u].szOpcode,
+ g_ParserTable[u].szSimpleHelp);
+ }
+ }
+}
+
+
+void
+ParseUserInput(FLAG fSearching)
+/**
+
+Routine description:
+
+Parameters:
+
+ FLAG fSearching
+
+Return value:
+
+ void
+
+**/
+{
+ CHAR *pCapturedInput = NULL;
+ CHAR *pFreeThis = NULL;
+ CHAR *pDontFree;
+ CHAR *p, *q;
+ ULONG u;
+ CHAR *argv[MAX_ARGS];
+ ULONG argc = 0;
+ FLAG fInQuote = FALSE;
+ MOVE mv;
+ POSITION *pos = GetRootPosition();
+#if 0
+ static ULONG uHeapAllocated = 0;
+
+ if (0 == uHeapAllocated)
+ {
+ uHeapAllocated = GetHeapMemoryUsage();
+ } else {
+ ASSERT(uHeapAllocated == GetHeapMemoryUsage());
+ uHeapAllocated = GetHeapMemoryUsage();
+ }
+#endif
+ //
+ // If we are in batch mode and there is no waiting input, exit.
+ //
+ if (g_Options.fNoInputThread && (0 == NumberOfPendingInputEvents()))
+ {
+ Trace("Exhausted input in batch mode, exiting...\n");
+ exit(-1);
+ }
+
+ //
+ // By the time we see this the input thread is likely already
+ // exited so don't try to read from the queue...
+ //
+ if (g_fExitProgram == TRUE)
+ {
+ QuitCommand("quit", 1, NULL, pos);
+ return;
+ }
+
+ //
+ // If we are searching, don't actually read the input event yet.
+ // Just peek and leave it there until we know whether we can do
+ // it or not.
+ //
+ if (TRUE == fSearching)
+ {
+ ASSERT(g_Options.fPondering || g_Options.fThinking);
+ p = pDontFree = PeekNextInput();
+ } else {
+ p = pFreeThis = BlockingReadInput();
+ }
+ if (NULL == p)
+ {
+ goto end;
+ }
+
+ //
+ // Skip over leading whitespace and do not parse comment lines
+ //
+ while((*p) && (isspace(*p))) p++;
+ if (((*p) && (*p == '#')) ||
+ ((*p) && (*(p+1)) && (*p == '/') && (*(p+1) == '/')))
+ {
+ goto consume_if_searching;
+ }
+
+ //
+ // Chop the last \n out of the string
+ //
+ q = p;
+ while(*q)
+ {
+ if (*q == '\n')
+ {
+ *q = '\0';
+ break;
+ }
+ q++;
+ }
+
+ //
+ // Break it up into chunks for the COMMAND functions.
+ //
+ pCapturedInput = STRDUP(p);
+ memset(argv, 0, sizeof(argv));
+ do
+ {
+ while(*p && isspace(*p)) p++;
+ if (!*p) break;
+ argv[argc++] = p;
+ fInQuote = FALSE;
+ while (*p)
+ {
+ if (*p == '"')
+ {
+ fInQuote = !fInQuote;
+ }
+ else if (*p == '{')
+ {
+ fInQuote = TRUE;
+ }
+ else if (*p == '}')
+ {
+ fInQuote = FALSE;
+ }
+ else if (isspace(*p) && (FALSE == fInQuote))
+ {
+ break;
+ }
+ p++;
+ }
+ if (!*p) break;
+ *p = '\0';
+ p++;
+ }
+ while(argc < MAX_ARGS);
+ if (argc == 0)
+ {
+ goto consume_if_searching;
+ }
+
+ //
+ // Does it look like a move?
+ //
+ mv.uMove = 0;
+ switch(LooksLikeMove(argv[0]))
+ {
+ case MOVE_SAN:
+ mv = ParseMoveSan(argv[0], pos);
+ break;
+ case MOVE_ICS:
+ mv = ParseMoveIcs(argv[0], pos);
+ break;
+ case NOT_MOVE:
+ for (u = 0; u < ARRAY_LENGTH(g_ParserTable); u++)
+ {
+ if (!STRCMPI(g_ParserTable[u].szOpcode, argv[0]))
+ {
+ if (TRUE == fSearching)
+ {
+ if (TRUE == g_ParserTable[u].fHandleOnTheFly)
+ {
+ //
+ // We can do that command on the fly in
+ // the middle of the search. Note: these
+ // commands MUST NOT affect anything that
+ // the search is doing or you'll get
+ // corruption.
+ //
+ (*g_ParserTable[u].pFunction)
+ (pCapturedInput, argc, argv, pos);
+ goto consume_if_searching;
+ } else {
+ //
+ // We can't handle that input without
+ // unrolling the search first.
+ //
+ Trace("COMPLEX INPUT --> stop searching now\n");
+ ASSERT(pDontFree);
+ strcpy(pDontFree, pCapturedInput);
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ goto end;
+ }
+ } else {
+ //
+ // We were called from the main loop or from
+ // the script parser. No one is searching.
+ // Just do the command.
+ //
+ (*g_ParserTable[u].pFunction)
+ (pCapturedInput, argc, argv, pos);
+ goto end;
+ }
+ }
+ }
+ if ((TRUE == LooksLikeFen(pCapturedInput)) &&
+ (TRUE == SetRootPosition(pCapturedInput)))
+ {
+ goto end;
+ }
+ break;
+#ifdef DEBUG
+ default:
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ break;
+#endif
+ }
+
+ //
+ // Was it a move?
+ //
+ if (mv.uMove)
+ {
+ if (fSearching == TRUE)
+ {
+ //
+ // No one should move (my pieces) while I'm thinking!
+ //
+ ASSERT(g_Options.fPondering == TRUE);
+ ASSERT(g_Options.fThinking == FALSE);
+ if (IS_SAME_MOVE(mv, g_Options.mvPonder))
+ {
+ Trace("PREDICTED MOVE PLAYED --> converting to search\n");
+ g_Options.fSuccessfulPonder = TRUE;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ SetMoveTimerForSearch(TRUE, FLIP(GET_COLOR(mv.pMoved)));
+ goto consume_if_searching;
+ } else {
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ if (TRUE == OfficiallyMakeMove(mv, 0, FALSE))
+ {
+ Trace("NONPREDICTED MOVE PLAYED --> stop pondering now\n");
+ goto end;
+ } else {
+ UtilPanic(GOT_ILLEGAL_MOVE_WHILE_PONDERING,
+ GetRootPosition(),
+ (void *)mv.uMove,
+ NULL,
+ NULL,
+ __FILE__, __LINE__);
+ }
+ }
+ } else {
+ if (FALSE == OfficiallyMakeMove(mv, 0, FALSE))
+ {
+ UtilPanic(CANNOT_OFFICIALLY_MAKE_MOVE,
+ GetRootPosition(),
+ (void *)mv.uMove,
+ NULL,
+ NULL,
+ __FILE__, __LINE__);
+ }
+ }
+ } else {
+ Trace("Unknown/illegal move/command: \"%s\"\n", pCapturedInput);
+ }
+
+ consume_if_searching:
+ if (TRUE == fSearching)
+ {
+ ASSERT(NULL == pFreeThis);
+ ASSERT(NumberOfPendingInputEvents() > 0);
+ pFreeThis = BlockingReadInput();
+ }
+ // fall through
+
+ end:
+ if (NULL != pFreeThis)
+ {
+ SystemFreeMemory(pFreeThis);
+ pFreeThis = NULL;
+ }
+ if (NULL != pCapturedInput)
+ {
+ SystemFreeMemory(pCapturedInput);
+ pCapturedInput = NULL;
+ }
+// ASSERT(uHeapAllocated == GetHeapMemoryUsage());
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ system.h
+
+Abstract:
+
+Author:
+
+
+Revision History:
+
+ $Id: compiler.h 349 2008-06-28 02:48:59Z scott $
+
+**/
+
+#ifndef COMPILER_H_
+#define COMPILER_H_
+
+#if defined _MSC_VER
+
+#include <io.h>
+
+#pragma warning(disable:4201) // nonstandard extension: nameless struct/union
+#pragma warning(disable:4214) // nonstandard extension: bitfields struct
+
+#define PROFILE ""
+#define ALIGN64 __declspec(align(64))
+#define TB_FASTCALL __fastcall
+#define COMPILER_STRING "Microsoft(R) Visual C/C++ %u\n", _MSC_VER
+#define open _open
+#define write _write
+#define COMPILER_LONGLONG __int64
+#define COMPILER_VSNPRINTF _vsnprintf
+#define CDECL __cdecl
+#define FASTCALL __fastcall
+#define INLINE __inline
+#define FORCEINLINE __forceinline
+#define NORETURN
+#define CONSTFUNCT
+#define COMPILER_LONGLONG_HEX_FORMAT "I64x"
+#define COMPILER_LONGLONG_UNSIGNED_FORMAT "I64u"
+#define STRNCMPI _strnicmp
+#define STRCMPI strcmpi
+#define STRDUP SystemStrDup
+
+#elif defined __GNUC__
+
+#include <unistd.h>
+
+extern int errno;
+
+#define COMPILER_STRING "GCC "__VERSION__"\n"
+#define BUILD_STRING __OPTIMIZE__
+
+#define O_BINARY (0)
+#define O_RANDOM (0)
+#define _S_IREAD (0)
+#define _S_IWRITE (0)
+
+#define ALIGN64 // __attribute__ (aligned(64)) does not work
+#define COMPILER_LONGLONG long long
+#define COMPILER_VSNPRINTF vsnprintf
+#ifndef SIXTYFOUR
+#define CDECL __attribute__((cdecl))
+#endif
+#define FASTCALL __attribute__((__regparm__(3)))
+#define INLINE __inline__
+#define FORCEINLINE __attribute__((always_inline))
+#define NORETURN __attribute__((noreturn))
+#define CONSTFUNCT __attribute__((const))
+#define COMPILER_LONGLONG_HEX_FORMAT "llx"
+#define COMPILER_LONGLONG_UNSIGNED_FORMAT "llu"
+#define STRNCMPI strncasecmp
+#define STRCMPI strcasecmp
+#define STRDUP SystemStrDup
+#define TB_FASTCALL // __attribute__((__regparm__(3)))
+
+#else
+
+#error "Unknown compiler, please edit compiler.h"
+
+#endif /* What compiler?! */
+
+#endif /* COMPILER_H_ */
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ data.c
+
+Abstract:
+
+ Large data structures and the code that creates/verifies them.
+
+Author:
+
+
+Revision History:
+
+ $Id: data.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+// Distance between two squares lookup table
+ULONG g_uDistance[256];
+ULONG *g_pDistance = &(g_uDistance[128]);
+
+// Who controls the square lookup table
+CHAR g_SwapTable[14][32][32];
+
+// Vector (bitvector indicating which pieces can move between squares) and
+// Delta (direction to travel to get from square a to square b) lookup table.
+VECTOR_DELTA g_VectorDelta[256];
+VECTOR_DELTA *g_pVectorDelta = &(g_VectorDelta[128]);
+
+// How many generated moves should we bother to sort
+ULONG g_uSearchSortLimits[MAX_PLY_PER_SEARCH];
+
+// Hardcoded move patterns to terminate PVs with
+MOVE NULLMOVE = {0};
+MOVE HASHMOVE = {0x11118888};
+MOVE RECOGNMOVE = {0x22228888};
+MOVE DRAWMOVE = {0x33338888};
+MOVE MATEMOVE = {0x44448888};
+
+// Is a square white?
+FLAG g_fIsWhiteSquare[128];
+
+#ifdef DEBUG
+COOR
+DistanceBetweenSquares(COOR a, COOR b)
+{
+ int i = (int)a - (int)b + 128;
+ int j = (int)b - (int)a + 128;
+ ASSERT(IS_ON_BOARD(a));
+ ASSERT(IS_ON_BOARD(b));
+ ASSERT((i >= 0) && (i < 256));
+ ASSERT(g_uDistance[i] == REAL_DISTANCE(a, b));
+ ASSERT(g_pDistance[a - b] == g_uDistance[i]);
+ ASSERT(g_pDistance[b - a] == g_uDistance[i]);
+ ASSERT(g_uDistance[j] == REAL_DISTANCE(a, b));
+ return(REAL_DISTANCE(a, b));
+}
+
+#define VALID_VECTOR(x) \
+ (((x) == 0) || \
+ ((x) == (1 << KNIGHT)) || \
+ ((x) == ( (1 << BISHOP) | (1 << QUEEN))) || \
+ ((x) == ( (1 << ROOK) | (1 << QUEEN))) || \
+ ((x) == ( (1 << BISHOP) | (1 << QUEEN) | (1 << KING))) || \
+ ((x) == ( (1 << ROOK) | (1 << QUEEN) | (1 << KING))) || \
+ ((x) == ( (1 << BISHOP) | (1 << QUEEN) | (1 << KING) | (1 << PAWN))))
+
+
+#define VALID_INDEX(x) \
+ (((x) >= -128) && ((x) <= 127))
+
+ULONG
+CheckVectorWithIndex(int i, ULONG uColor)
+{
+ ULONG u;
+ ASSERT(VALID_INDEX(i));
+ ASSERT(IS_VALID_COLOR(uColor));
+ u = g_pVectorDelta[i].iVector[uColor];
+ ASSERT(VALID_VECTOR(u));
+ ASSERT(u == g_VectorDelta[i + 128].iVector[uColor]);
+ ASSERT(&(g_pVectorDelta[i]) == &(g_VectorDelta[i + 128]));
+ return(u);
+}
+
+#define VALID_DELTA(x) \
+ (((x) == 0) || \
+ ((x) == +1) || ((x) == -1) || \
+ ((x) == +16) || ((x) == -16) || \
+ ((x) == +15) || ((x) == -15) || \
+ ((x) == +17) || ((x) == -17))
+
+int
+DirectionBetweenSquaresWithIndex(int i)
+{
+ int iDir;
+ ASSERT(VALID_INDEX(i));
+ iDir = g_pVectorDelta[i].iDelta;
+ ASSERT(iDir == g_VectorDelta[i + 128].iDelta);
+ ASSERT(&(g_pVectorDelta[i]) == &(g_VectorDelta[i + 128]));
+ ASSERT(VALID_DELTA(iDir));
+ ASSERT(iDir == -g_pVectorDelta[i].iNegDelta);
+ return(iDir);
+}
+
+int
+DirectionBetweenSquaresFromTo(COOR from, COOR to)
+{
+ int i = (int)from - (int)to;
+ return DirectionBetweenSquaresWithIndex(i);
+}
+
+int
+NegativeDirectionBetweenSquaresWithIndex(int i)
+{
+ int iDir;
+ ASSERT(VALID_INDEX(i));
+ iDir = g_pVectorDelta[i].iNegDelta;
+ ASSERT(iDir == g_VectorDelta[i + 128].iNegDelta);
+ ASSERT(&(g_pVectorDelta[i]) == &(g_VectorDelta[i + 128]));
+ ASSERT(VALID_DELTA(iDir));
+ ASSERT(iDir == -g_pVectorDelta[i].iDelta);
+ return(iDir);
+}
+
+int
+DirectionBetweenSquares(COOR cFrom, COOR cTo)
+{
+ int i = (int)cFrom - (int)cTo;
+ return(DirectionBetweenSquaresWithIndex(i));
+}
+
+FLAG
+IsSquareWhite(COOR c)
+{
+ BITBOARD bb;
+ FLAG f = IS_WHITE_SQUARE_COOR(c);
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(f == g_fIsWhiteSquare[c]);
+ bb = COOR_TO_BB(c);
+ ASSERT(f == ((bb & BBWHITESQ) != 0));
+ ASSERT(f == ((bb & BBBLACKSQ) == 0));
+ return(f);
+}
+#endif
+
+void
+VerifyVectorDelta(void)
+{
+ int iIndex;
+ int iChecksum = 0;
+
+ for (iIndex = 0;
+ iIndex < 256;
+ iIndex++)
+ {
+ ASSERT(VALID_VECTOR(g_VectorDelta[iIndex].iVector[BLACK]));
+ ASSERT(VALID_VECTOR(g_VectorDelta[iIndex].iVector[WHITE]));
+ ASSERT(VALID_DELTA(g_VectorDelta[iIndex].iDelta));
+ ASSERT(VALID_DELTA(g_VectorDelta[iIndex].iNegDelta));
+ ASSERT(-g_VectorDelta[iIndex].iDelta ==
+ g_VectorDelta[iIndex].iNegDelta);
+ iChecksum += g_VectorDelta[iIndex].iVector[BLACK] * iIndex;
+ iChecksum += g_VectorDelta[iIndex].iVector[WHITE] * iIndex;
+ iChecksum += g_VectorDelta[iIndex].iDelta * iIndex;
+ }
+
+ if (iChecksum != 0xb1b58)
+ {
+ UtilPanic(DETECTED_INCORRECT_INITIALIZATION,
+ NULL,
+ "vector/delta",
+ (void *)iChecksum,
+ (void *)0xb1b58,
+ __FILE__, __LINE__);
+ }
+}
+
+void
+InitializeSearchDepthArray(void)
+{
+ ULONG x;
+
+ for (x = 0;
+ x < ARRAY_LENGTH(g_uSearchSortLimits);
+ x++)
+ {
+ g_uSearchSortLimits[x] = 5;
+ }
+ g_uSearchSortLimits[0] = 0;
+ g_uSearchSortLimits[1] = 17;
+ g_uSearchSortLimits[2] = 12;
+ g_uSearchSortLimits[3] = 9;
+ g_uSearchSortLimits[4] = 7;
+ g_uSearchSortLimits[5] = 6;
+}
+
+#ifdef DEBUG
+ULONG
+GetSearchSortLimit(ULONG uPly)
+{
+ ASSERT(uPly > 0);
+ ASSERT(uPly < MAX_PLY_PER_SEARCH);
+ ASSERT(g_uSearchSortLimits[uPly] != 0);
+ return(g_uSearchSortLimits[uPly]);
+}
+#endif
+
+void
+InitializeWhiteSquaresTable(void)
+{
+ COOR c;
+
+ FOREACH_SQUARE(c)
+ {
+ g_fIsWhiteSquare[c] = FALSE;
+ if (!IS_ON_BOARD(c))
+ {
+ continue;
+ }
+ g_fIsWhiteSquare[c] = IS_WHITE_SQUARE_COOR(c);
+ }
+}
+
+void
+InitializeVectorDeltaTable(void)
+{
+ COOR cStart;
+ COOR cNew;
+ COOR cRay;
+ int iIndex;
+ PIECE p;
+ int iDir;
+ ULONG u;
+ static const BYTE _LOCATIONS[] =
+ {
+ D4, A5, A3, G3, C1, B5, H4, E5, E3, A6, C5, A5, A5,
+ G5, A6, D3, D2, A5, E1, E1, A6, H4, B2, D1, D2, E5
+ };
+ static int iNumDirs[7] = { 0, 0, 8, 4, 4, 8, 8 };
+ static int iDelta[7][8] = { { 0, 0, 0, 0, 0, 0, 0, 0 },
+ { 0, 0, 0, 0, 0, 0, 0, 0 },
+ { -33, -31, -18, -14, +14, +18, +31, +33 },
+ { -17, -15, +15, +17, 0, 0, 0, 0 },
+ { -16, -1, +1, +16, 0, 0, 0, 0 },
+ { -17, -16, -15, -1, +1, +15, +16, +17 },
+ { -17, -16, -15, -1, +1, +15, +16, +17 } };
+
+ memset(g_VectorDelta, 0, sizeof(g_VectorDelta));
+ FOREACH_SQUARE(cStart)
+ {
+ if (!IS_ON_BOARD(cStart)) continue;
+ for (u = 0; u < ARRAY_LENGTH(_LOCATIONS); u++)
+ {
+ if (cStart == _LOCATIONS[u])
+ {
+ iIndex = 0;
+ }
+ }
+
+ //
+ // Do the pawn bits
+ //
+ iIndex = (int)cStart - ((int)cStart - 17) + 128;
+ g_VectorDelta[iIndex].iVector[WHITE] |= (1 << PAWN);
+ iIndex = (int)cStart - ((int)cStart - 15) + 128;
+ g_VectorDelta[iIndex].iVector[WHITE] |= (1 << PAWN);
+
+ iIndex = (int)cStart - ((int)cStart + 17) + 128;
+ g_VectorDelta[iIndex].iVector[BLACK] |= (1 << PAWN);
+ iIndex = (int)cStart - ((int)cStart + 15) + 128;
+ g_VectorDelta[iIndex].iVector[BLACK] |= (1 << PAWN);
+
+ //
+ // Do the piece bits
+ //
+ for (p = KNIGHT; p <= KING; p++)
+ {
+ for (iDir = 0;
+ iDir < iNumDirs[p];
+ iDir++)
+ {
+ cRay = cStart;
+ cNew = cRay + iDelta[p][iDir];
+ while (IS_ON_BOARD(cNew))
+ {
+ iIndex = (int)cStart - (int)cNew + 128;
+
+ //
+ // Fill in the vector
+ //
+ g_VectorDelta[iIndex].iVector[WHITE] |= (1 << p);
+ g_VectorDelta[iIndex].iVector[BLACK] |= (1 << p);
+
+ //
+ // Fill in the delta
+ //
+ if (FILE(cStart) == FILE(cNew))
+ {
+ if (cStart < cNew)
+ {
+ g_VectorDelta[iIndex].iDelta = 16;
+ g_VectorDelta[iIndex].iNegDelta = -16;
+ }
+ else
+ {
+ g_VectorDelta[iIndex].iDelta = -16;
+ g_VectorDelta[iIndex].iNegDelta = 16;
+ }
+ }
+ else if (RANK(cStart) == RANK(cNew))
+ {
+ if (cStart < cNew)
+ {
+ g_VectorDelta[iIndex].iDelta = 1;
+ g_VectorDelta[iIndex].iNegDelta = -1;
+ }
+ else
+ {
+ g_VectorDelta[iIndex].iDelta = -1;
+ g_VectorDelta[iIndex].iNegDelta = 1;
+ }
+ }
+ else if ((cStart % 15) == (cNew % 15))
+ {
+ if (cStart < cNew)
+ {
+ g_VectorDelta[iIndex].iDelta = +15;
+ g_VectorDelta[iIndex].iNegDelta = -15;
+ }
+ else
+ {
+ g_VectorDelta[iIndex].iDelta = -15;
+ g_VectorDelta[iIndex].iNegDelta = 15;
+ }
+ }
+ else if ((cStart % 17) == (cNew % 17))
+ {
+ if (cStart < cNew)
+ {
+ g_VectorDelta[iIndex].iDelta = +17;
+ g_VectorDelta[iIndex].iNegDelta = -17;
+ }
+ else
+ {
+ g_VectorDelta[iIndex].iDelta = -17;
+ g_VectorDelta[iIndex].iNegDelta = 17;
+ }
+ }
+ cNew += iDelta[p][iDir];
+
+ if ((KING == p) || (KNIGHT == p))
+ {
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ (void)VerifyVectorDelta();
+#ifdef OSX
+ //
+ // nasm under OSX/macho has a nasty bug that causes the addresses
+ // of extern symbols to be screwed up. I only use two extern data
+ // structs in the x86.asm code: the vector delta table and the
+ // piece data table. My workaround to the nasm bug is to copy
+ // these tables into a symbol in the asm module and access them
+ // locally on OSX.
+ //
+ extern VECTOR_DELTA *g_NasmVectorDelta;
+ extern PIECE_DATA *g_NasmPieceData;
+
+ memcpy(&g_NasmVectorDelta, &g_VectorDelta, sizeof(g_VectorDelta));
+ memcpy(&g_NasmPieceData, &g_PieceData, sizeof(g_PieceData));
+#endif
+}
+
+//
+// TODO: fix this to use attack counts also
+//
+void
+InitializeSwapTable(void)
+{
+ ULONG GET_HIGH_BIT[32] =
+ {
+ 0, // 00000 = 0
+ 1, // 00001 = 1
+ 2, // 00010 = 2
+ 2, // 00011 = 3
+ 4, // 00100 = 4
+ 4, // 00101 = 5
+ 4, // 00110 = 6
+ 4, // 00111 = 7
+ 8, // 01000 = 8
+ 8, // 01001 = 9
+ 8, // 01010 = 10
+ 8, // 01011 = 11
+ 8, // 01100 = 12
+ 8, // 01101 = 13
+ 8, // 01110 = 14
+ 8, // 01111 = 15
+ 16, // 10000 = 16
+ 16, // 10001 = 17
+ 16, // 10010 = 18
+ 16, // 10011 = 19
+ 16, // 10100 = 20
+ 16, // 10101 = 21
+ 16, // 10110 = 22
+ 16, // 10111 = 23
+ 16, // 11000 = 24
+ 16, // 11001 = 25
+ 16, // 11010 = 26
+ 16, // 11011 = 27
+ 16, // 11100 = 28
+ 16, // 11101 = 29
+ 16, // 11110 = 30
+ 16 // 11111 = 31
+ };
+ ULONG uOnMove;
+ PIECE p;
+ ULONG uAtStake;
+ ULONG uBlack;
+ ULONG uWhite;
+ ULONG uOld;
+ ULONG uGains[2];
+ ULONG uAttacks[2];
+ INT iDiff;
+
+ for (p = 0; p <= WHITE_KING; p++)
+ {
+ if (p > 1)
+ {
+ for (uBlack = 0; uBlack < 32; uBlack++)
+ {
+ for (uWhite = 0; uWhite < 32; uWhite++)
+ {
+ uGains[BLACK] = uGains[WHITE] = 0;
+ uAttacks[BLACK] = uBlack;
+ uAttacks[WHITE] = uWhite;
+ uAtStake = PIECE_VALUE(p);
+ uOnMove = WHITE;
+ if (GET_COLOR(p) == WHITE)
+ {
+ uOnMove = BLACK;
+ }
+
+ //
+ // Ok, if the side on move has an attack, play it
+ // and give them credit for some plunder.
+ //
+ while(uAttacks[uOnMove])
+ {
+ uOld = uAtStake;
+ uGains[uOnMove] += uAtStake;
+ uAtStake = GET_HIGH_BIT[uAttacks[uOnMove]];
+ if (uAtStake == 16)
+ {
+ uAtStake = VALUE_PAWN;
+ }
+ else if (uAtStake == 8)
+ {
+ uAtStake = VALUE_BISHOP;
+ }
+ else if (uAtStake == 4)
+ {
+ uAtStake = VALUE_ROOK;
+ }
+ else if (uAtStake == 2)
+ {
+ uAtStake = VALUE_QUEEN;
+ }
+ else if (uAtStake == 1)
+ {
+ //
+ // Don't let them move into check
+ //
+ if (uAttacks[FLIP(uOnMove)])
+ {
+ uGains[uOnMove] -= uOld;
+ uAtStake = 0;
+ }
+ break;
+ }
+ else
+ {
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ uAttacks[uOnMove] &= ~GET_HIGH_BIT[uAttacks[uOnMove]];
+ uOnMove = FLIP(uOnMove);
+ }
+
+ //
+ // The side on move doesn't have an attack... does
+ // the side not on move have an attack? If so they
+ // get a chance to assert some more control.
+ //
+ if (uAttacks[FLIP(uOnMove)])
+ {
+ uGains[FLIP(uOnMove)] += 100;
+ }
+
+ if (uGains[BLACK] > uGains[WHITE])
+ {
+ iDiff = uGains[BLACK] - uGains[WHITE];
+ iDiff /= 100;
+ iDiff += (iDiff == 0);
+ g_SwapTable[p][uWhite][uBlack] = MIN(+127, iDiff);
+ g_SwapTable[p][uWhite][uBlack] *= -1;
+ }
+ else if (uGains[WHITE] > uGains[BLACK])
+ {
+ iDiff = uGains[WHITE] - uGains[BLACK];
+ iDiff /= 100;
+ iDiff += (iDiff == 0);
+ g_SwapTable[p][uWhite][uBlack] = MIN(+127, iDiff);
+ }
+ else
+ {
+ g_SwapTable[p][uWhite][uBlack] = 0;
+ }
+ }
+ }
+ }
+ else // no piece sitting there
+ {
+ for (uBlack = 0; uBlack < 32; uBlack++)
+ {
+ for (uWhite = 0; uWhite < 32; uWhite++)
+ {
+ if (uBlack > uWhite)
+ {
+ g_SwapTable[p][uWhite][uBlack] = -1;
+ }
+ else if (uWhite > uBlack)
+ {
+ g_SwapTable[p][uWhite][uBlack] = +1;
+ }
+ else
+ {
+ g_SwapTable[p][uWhite][uBlack] = 0;
+ }
+ }
+ }
+ }
+ }
+}
+
+void
+InitializeDistanceTable(void)
+{
+ COOR x, y;
+ int i;
+#ifdef DEBUG
+ int j;
+#endif
+
+ for (x = 0; x < 128; x++)
+ {
+ if (!IS_ON_BOARD(x)) continue;
+ for (y = 0; y < 128; y++)
+ {
+ if (!IS_ON_BOARD(y)) continue;
+ i = (int)x - (int)y;
+ i += 128;
+ g_uDistance[i] = REAL_DISTANCE(x, y);
+ ASSERT(g_uDistance[i] >= 0);
+ ASSERT(g_uDistance[i] <= 7);
+ }
+ }
+
+#ifdef DEBUG
+ for (x = 0; x < 128; x++)
+ {
+ if (!IS_ON_BOARD(x)) continue;
+ for (y = 0; y < 128; y++)
+ {
+ if (!IS_ON_BOARD(y)) continue;
+ i = (int)x - (int)y + 128;
+ ASSERT(g_uDistance[i] == REAL_DISTANCE(x, y));
+ ASSERT(g_pDistance[x - y] == g_uDistance[i]);
+ ASSERT(&(g_pDistance[x - y]) == &(g_uDistance[i]));
+ j = (int)y - (int)x + 128;
+ ASSERT(g_uDistance[j] == REAL_DISTANCE(x, y));
+ ASSERT(g_pDistance[y - x] == g_uDistance[j]);
+ ASSERT(&(g_pDistance[y - x]) == &(g_uDistance[j]));
+ }
+ }
+#endif
+}
--- /dev/null
+#!/usr/bin/perl
+
+for $file (@ARGV)
+{
+ print "$file\n";
+
+ if (!open(FILE, $file))
+ {
+ print "Cannot open $file: $!\n";
+ next;
+ }
+
+ if (-e "$file.$$")
+ {
+ print "$file.$$ already exists, I will not klobber.\n";
+ next;
+ }
+
+ if (!open(OUT, ">$file.$$"))
+ {
+ print "Cannot open $file.$$: $!\n";
+ next;
+ }
+
+ while (<FILE>)
+ {
+ s#^/\*\+\+#/\*\*#g;
+ s#^\-\-\*/#\*\*/#g;
+ print OUT;
+ }
+ close(FILE);
+ close(OUT);
+ print "processed $file\n";
+
+ system "/bin/mv -f $file.$$ $file";
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ draw.c
+
+Abstract:
+
+ Function for detecting a draw by repetition from the search tree.
+
+Author:
+
+
+Revision History:
+
+ $Id: draw.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+FLAG
+IsDraw(SEARCHER_THREAD_CONTEXT *ctx)
+{
+ ULONG uPly;
+ UINT64 u64CurrentSig;
+
+ //
+ // Recognize 50-moves w/o progress draw rule
+ //
+ if (ctx->sPosition.uFifty >= 100)
+ {
+ return(TRUE);
+ }
+
+ //
+ // Check for repeated positions if needed.
+ //
+ if (ctx->sPosition.uFifty < 4)
+ {
+ return(FALSE);
+ }
+
+ u64CurrentSig = (ctx->sPosition.u64NonPawnSig ^
+ ctx->sPosition.u64PawnSig);
+ uPly = ctx->uPly - 2;
+ while(uPly < MAX_PLY_PER_SEARCH)
+ {
+#ifdef DEBUG
+ if ((GET_COLOR(ctx->sPlyInfo[uPly].mv.pMoved) !=
+ ctx->sPosition.uToMove) &&
+ (ctx->sPlyInfo[uPly].mv.uMove != 0))
+ {
+ ASSERT(FALSE);
+ }
+ ASSERT(ctx->sPlyInfo[uPly].u64Sig == (ctx->sPlyInfo[uPly].u64PawnSig ^
+ ctx->sPlyInfo[uPly].u64NonPawnSig));
+#endif
+ if (ctx->sPlyInfo[uPly].u64Sig == u64CurrentSig)
+ {
+ return(TRUE);
+ }
+
+ if (IS_PAWN(ctx->sPlyInfo[uPly].mv.pMoved) ||
+ (ctx->sPlyInfo[uPly].mv.pCaptured))
+ {
+ return(FALSE);
+ }
+ uPly -= 2;
+ }
+
+ //
+ // Keep looking in the official game record.
+ //
+ return(DoesSigAppearInOfficialGameList(u64CurrentSig));
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ dumptree.c
+
+Abstract:
+
+ Support routines for dumping a search tree into an XML file for
+ offline analysis by typhoonui.exe.
+
+Author:
+
+
+Revision History:
+
+**/
+
+#ifdef DUMP_TREE
+#include "chess.h"
+
+#define NHUMAN_READABLE
+#ifdef HUMAN_READABLE
+#define SPACES_TO_INDENT_PER_PLY (2)
+#else
+#define SPACES_TO_INDENT_PER_PLY (0)
+#endif
+#define DISK_SECTOR_SIZE_BYTES (512)
+#define NUM_SECTORS_TO_BUFFER (2)
+
+FILE *pfTreeDump = NULL;
+ULONG g_uBufferSize = 0;
+ULONG g_uBufferUsed = 0;
+CHAR *g_Buffer = NULL;
+#ifdef MP
+volatile static ULONG g_uBufferLock = 0;
+#define BUF_IS_LOCKED (g_uBufferLock != 0)
+#define LOCK_BUF \
+ AcquireSpinLock(&g_uBufferLock); \
+ ASSERT(BUF_IS_LOCKED);
+#define UNLOCK_BUF \
+ ASSERT(BUF_IS_LOCKED); \
+ ReleaseSpinLock(&g_uBufferLock);
+#else // no MP
+#define BUF_IS_LOCKED
+#define LOCK_BUF
+#define UNLOCK_BUF
+#endif
+
+void
+InitializeTreeDump(void)
+/**
+
+Routine description:
+
+ Initialize tree dumping system.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ //
+ // Allocate an internal buffer so that our writes to disk
+ // approximate a sector size.
+ //
+ g_uBufferSize = DISK_SECTOR_SIZE_BYTES * NUM_SECTORS_TO_BUFFER;
+ g_Buffer = SystemAllocateMemory(g_uBufferSize);
+
+ //
+ // Here's the file we'll want to write to...
+ //
+ pfTreeDump = fopen("typhoon.xml", "wb+");
+ if (NULL == pfTreeDump)
+ {
+ UtilPanic(FATAL_ACCESS_DENIED,
+ NULL, "typhoon.xml", "write", "NULL", __FILE__, __LINE__);
+ }
+ fprintf(pfTreeDump, "<?xml version=\"1.0\" encoding=\"utf-8\""
+ " standalone=\"no\"?>\n");
+}
+
+static
+void _FlushTheBuffer(void)
+/**
+
+Routine description:
+
+ Flush the buffer to the disk file.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ fprintf(pfTreeDump, g_Buffer);
+ g_Buffer[0] = '\0';
+ g_uBufferUsed = 0;
+}
+
+
+static void CDECL
+_AppendToBuffer(CHAR *buf)
+/**
+
+Routine description:
+
+ Append a string to the buffer; possibly flush the buffer to disk
+ first to make enough room for the new string.
+
+Parameters:
+
+ CHAR *buf : the string to append
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uSpaceNeeded;
+ ASSERT(BUF_IS_LOCKED);
+
+ //
+ // How much space do we need?
+ //
+ uSpaceNeeded = strlen(buf);
+ ASSERT(uSpaceNeeded < MEDIUM_STRING_LEN_CHAR);
+ ASSERT(uSpaceNeeded < g_uBufferSize);
+
+ //
+ // See if we need to flush the real buffer to the disk before we can
+ // append this new message.
+ //
+ LOCK_BUF;
+ if (g_uBufferUsed + uSpaceNeeded >= g_uBufferSize)
+ {
+ _FlushTheBuffer();
+ ASSERT(g_uBufferUsed + uSpaceNeeded < g_uBufferSize);
+ }
+
+ //
+ // Append the new data to the big buffer
+ //
+ strcat(g_Buffer, buf);
+ g_uBufferUsed += uSpaceNeeded;
+ ASSERT(g_uBufferUsed < g_uBufferSize);
+ UNLOCK_BUF;
+}
+
+
+static void _IndentTreeDumpMessage(ULONG uPly)
+/**
+
+Routine description:
+
+ Append a number of spaces to the buffer to indent the next output
+ appropriately based upon the current search ply.
+
+Parameters:
+
+ ULONG uPly : the current search ply
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uSpaces = uPly * SPACES_TO_INDENT_PER_PLY;
+ ASSERT(uSpaces < g_uBufferSizeBytes);
+ ASSERT(HUMAN_READABLE);
+ while(uSpaces)
+ {
+ _AppendToBuffer(" ");
+ uSpaces--;
+ }
+}
+
+
+void CDECL
+DTTrace(ULONG uPly, CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ A printf-like routine for adding a message to the buffer / dumpfile.
+ Note: messages that exceed MEDIUM_STRING_LEN_CHAR are truncated.
+
+Parameters:
+
+ ULONG uPly : the current search ply
+ CHAR *szMessage : the message format string
+ ... : variable number of interpolated arguments
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap;
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ buf[0] = '\0';
+
+ //
+ // Populate the local buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 2, szMessage, ap);
+ va_end(ap);
+#ifdef HUMAN_READABLE
+ strcat(buf, "\n");
+ _IndentTreeDumpMessage(uPly);
+#endif
+ _AppendToBuffer(buf);
+}
+
+
+void
+CleanupTreeDump(void)
+/**
+
+Routine description:
+
+ Tear down the tree dumping system
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ //
+ // Cleanup file and buffer
+ //
+ if (NULL != pfTreeDump)
+ {
+ _FlushTheBuffer();
+ fflush(pfTreeDump);
+ fclose(pfTreeDump);
+ }
+
+ if (NULL != g_Buffer)
+ {
+ SystemFreeMemory(g_Buffer);
+ g_Buffer = NULL;
+ g_uBufferSize = 0;
+ }
+}
+
+
+void
+DTEnterNode(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fIsQNode,
+ SCORE iAlpha,
+ SCORE iBeta)
+/**
+
+Routine description:
+
+ Called by search or qsearch upon entering a new node.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : searcher context
+ ULONG uDepth : depth
+ FLAG fIsQNode : is it a q node?
+ SCORE iAlpha : current alpha
+ SCORE iBeta : current beta
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uPly = ctx->uPly;
+ UINT64 u64NodeNum = ctx->sCounters.tree.u64TotalNodeCount;
+ CHAR *p;
+
+ if (FALSE == fIsQNode)
+ {
+ DTTrace(uPly, "<n n=\"%"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ "\">", u64NodeNum);
+ }
+ else
+ {
+ DTTrace(uPly, "<qn n=\"%"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ "\">", u64NodeNum);
+ p = PositionToFen(&ctx->sPosition);
+ ASSERT(p);
+ DTTrace(uPly + 1, "<fen p=\"%s\"/>", p);
+ SystemFreeMemory(p);
+ DTTrace(uPly + 1, "<i ab=\"%d, %d\" ply=\"%u\" depth=\"%u\"/>",
+ iAlpha, iBeta, uPly, uDepth);
+ }
+}
+
+
+void
+DTLeaveNode(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fQNode,
+ SCORE iBestScore,
+ MOVE mvBestMove)
+/**
+
+Routine description:
+
+ Called by the search upon leaving a normal (non q) node.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : searcher context
+ SCORE iBestScore : best score found
+ MOVE mvBestMove : best move found
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uPly = ctx->uPly;
+
+ DTTrace(uPly + 1, "<d score=\"%d\" mv=\"%s\"/>",
+ iBestScore, MoveToSan(mvBestMove, &ctx->sPosition));
+ if (!fQNode)
+ {
+ DTTrace(uPly, "</n>");
+ }
+ else
+ {
+ DTTrace(uPly, "</qn>");
+ }
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ dynamic.c
+
+Abstract:
+
+ Dynamic move ordering functions/structures. By "dynamic move
+ ordering" I mean killer moves and history heuristic stuff.
+
+ Note 1: there are two history tables here. One is used for move
+ ordering and the other is used for pruning decisions. Both only
+ contain data about non-capture/promote moves. The former is
+ updated with roughly remaining_depth^2 at a fail high while the
+ latter is updated so as to maintain an approximate answer to "what
+ percent of the time does this move fail high."
+
+ Note 2: the globals in this module may be accessed by more than
+ one searcher thread at the same time; spinlocks used to
+ synchronize.
+
+ Note 3: All of these tables must be cleared when a new game is
+ started or a new position is loaded onto the board.
+
+Author:
+
+
+Revision History:
+
+ $Id: dynamic.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+ULONG g_HistoryCounters[14][128];
+#define FH_STATS_TABLE_SIZE (0x20000)
+
+typedef struct _FH_STATS
+{
+ union
+ {
+ ULONG uWholeThing;
+ struct
+ {
+ USHORT u16FailHighs;
+ USHORT u16Attempts;
+ };
+ };
+} FH_STATS;
+
+FH_STATS g_FailHighs[FH_STATS_TABLE_SIZE];
+
+#ifdef MP
+volatile static ULONG g_uDynamicLock;
+#define DYN_IS_LOCKED (g_uDynamicLock != 0)
+#define LOCK_DYN \
+ AcquireSpinLock(&g_uDynamicLock); \
+ ASSERT(DYN_IS_LOCKED)
+#define UNLOCK_DYN \
+ ASSERT(DYN_IS_LOCKED); \
+ ReleaseSpinLock(&g_uDynamicLock)
+#else // no MP
+#define DYN_IS_LOCKED (1)
+#define LOCK_DYN
+#define UNLOCK_DYN
+#endif
+
+
+FLAG
+InitializeDynamicMoveOrdering(void)
+/**
+
+Routine description:
+
+ Initialize dynamic move ordering structures.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+#ifdef MP
+ g_uDynamicLock = 0;
+#endif
+ ClearDynamicMoveOrdering();
+ return(TRUE);
+}
+
+void
+ClearDynamicMoveOrdering(void)
+/**
+
+Routine description:
+
+ Clear the global history table. Killer moves are per-context
+ structures and must be cleared on a per-context basis.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ memset(g_HistoryCounters, 0, sizeof(g_HistoryCounters));
+ for (u = 0; u < FH_STATS_TABLE_SIZE; u++)
+ {
+ g_FailHighs[u].uWholeThing = 0x00010001;
+ }
+}
+
+
+static void
+_RecordMoveFailHigh(MOVE mv)
+/**
+
+Routine description:
+
+ Update the "fail high percentage" history table for this move.
+ The table is used to make pruning decisions, not to rank moves.
+
+Parameters:
+
+ MOVE mv
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG u = MOVE_TO_INDEX(mv);
+ ULONG v = g_FailHighs[u].uWholeThing;
+
+ ASSERT(DYN_IS_LOCKED);
+ if (((v & 0x0000FFFF) == 0x0000FFFF) || ((v & 0xFFFF0000) == 0xFFFF0000))
+ {
+ g_FailHighs[u].u16FailHighs >>= 1;
+ g_FailHighs[u].u16Attempts >>= 1;
+ }
+ g_FailHighs[u].u16FailHighs++;
+ g_FailHighs[u].u16Attempts++;
+ ASSERT(g_FailHighs[u].u16FailHighs != 0);
+ ASSERT(g_FailHighs[u].u16Attempts != 0);
+ ASSERT(g_FailHighs[u].u16Attempts >= g_FailHighs[u].u16FailHighs);
+}
+
+
+static void
+_RecordMoveFailure(MOVE mv)
+/**
+
+Routine description:
+
+ Update the fail high percentage table with the information that a
+ move has not produced a fail high cutoff when it was considered.
+
+Parameters:
+
+ MOVE mv
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG u = MOVE_TO_INDEX(mv);
+
+ ASSERT(DYN_IS_LOCKED);
+ if (g_FailHighs[u].u16Attempts == 0xFFFF)
+ {
+ g_FailHighs[u].u16FailHighs >>= 1;
+ g_FailHighs[u].u16Attempts >>= 1;
+ }
+ g_FailHighs[u].u16Attempts++;
+ ASSERT(g_FailHighs[u].u16Attempts != 0);
+ ASSERT(g_FailHighs[u].u16Attempts >= g_FailHighs[u].u16FailHighs);
+}
+
+
+static void
+_NewKillerMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv,
+ SCORE iScore)
+/**
+
+Routine description:
+
+ Add a new killer move at a ply.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv,
+ SCORE iScore
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uPly = ctx->uPly;
+
+ ASSERT(uPly >= 0);
+ ASSERT(uPly < MAX_PLY_PER_SEARCH);
+ ASSERT(!IS_CAPTURE_OR_PROMOTION(mv));
+ ASSERT(mv.uMove);
+
+ if (mv.bvFlags & MOVE_FLAG_ESCAPING_CHECK)
+ {
+ if (!IS_SAME_MOVE(mv, ctx->mvKillerEscapes[uPly][0]))
+ {
+ ctx->mvKillerEscapes[uPly][1] = ctx->mvKillerEscapes[uPly][0];
+ ctx->mvKillerEscapes[uPly][0] = mv;
+ }
+ ASSERT(!IS_SAME_MOVE(ctx->mvKillerEscapes[uPly][0],
+ ctx->mvKillerEscapes[uPly][1]));
+ }
+ else
+ {
+ mv.bvFlags |= ((iScore >= +NMATE) * MOVE_FLAG_KILLERMATE);
+ if (!IS_SAME_MOVE(mv, ctx->mvKiller[uPly][0]))
+ {
+ ctx->mvKiller[uPly][1] = ctx->mvKiller[uPly][0];
+ ctx->mvKiller[uPly][0] = mv;
+ if (ctx->mvKiller[uPly][1].uMove == 0)
+ {
+ ctx->mvKiller[uPly][1] = ctx->mvNullmoveRefutations[uPly];
+ }
+ }
+ ASSERT(!IS_SAME_MOVE(ctx->mvKiller[uPly][0], ctx->mvKiller[uPly][1]));
+ }
+}
+
+
+static void
+_IncrementMoveHistoryCounter(MOVE mv,
+ ULONG uDepth)
+/**
+
+Routine description:
+
+ Increase a move's history counter in the global history table.
+ Also affect the history pruning counters in prune.c.
+
+Parameters:
+
+ MOVE mv,
+ ULONG uDepth
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x, y;
+ ULONG uVal;
+ ULONG *pu;
+
+ ASSERT(!IS_CAPTURE_OR_PROMOTION(mv));
+ uVal = uDepth / ONE_PLY;
+ ASSERT(uVal >= 0);
+ ASSERT(uVal <= MAX_PLY_PER_SEARCH);
+ uVal += 1;
+ uVal *= uVal;
+ ASSERT(uVal > 0);
+
+ pu = &(g_HistoryCounters[mv.pMoved][mv.cTo]);
+ LOCK_DYN;
+ *pu += uVal;
+
+ //
+ // Make sure that the history weight doesn't get large enough to
+ // affect the move flags or else our move ordering algorithm is
+ // screwed.
+ //
+ while (*pu & ~STRIP_OFF_FLAGS)
+ {
+ for (x = 0; x <= WHITE_KING; x++)
+ {
+ FOREACH_SQUARE(y)
+ {
+ g_HistoryCounters[x][y] >>= 4;
+ }
+ }
+ }
+
+#ifdef MP
+ //
+ // The purpose of this restriction is to ease contention for the
+ // memory bandwidth of the machine on dual-core / dual proc
+ // systems. The net result is positive.
+ //
+ if (uDepth > THREE_PLY)
+ {
+ _RecordMoveFailHigh(mv);
+ }
+#else
+ _RecordMoveFailHigh(mv);
+#endif
+ UNLOCK_DYN;
+}
+
+static void
+_DecrementMoveHistoryCounter(MOVE mv,
+ ULONG uDepth)
+/**
+
+Routine description:
+
+ Decrease a move's history counter in the global history table.
+
+Parameters:
+
+ MOVE mv,
+ ULONG uDepth
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uVal;
+ ULONG *pu;
+
+ ASSERT(!IS_CAPTURE_OR_PROMOTION(mv));
+ uVal = uDepth / ONE_PLY;
+ ASSERT(uVal >= 0);
+ ASSERT(uVal <= MAX_PLY_PER_SEARCH);
+ uVal /= 4;
+ uVal += 1;
+ ASSERT(uVal > 0);
+
+ pu = &(g_HistoryCounters[mv.pMoved][mv.cTo]);
+ LOCK_DYN;
+ if (*pu >= uVal)
+ {
+ *pu -= uVal;
+ }
+ else
+ {
+ *pu = 0;
+ }
+ _RecordMoveFailure(mv);
+ UNLOCK_DYN;
+}
+
+
+void
+UpdateDynamicMoveOrdering(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uRemainingDepth,
+ IN MOVE mvBest,
+ IN SCORE iScore,
+ IN ULONG uCurrent)
+/**
+
+Routine description:
+
+ Update dynamic move ordering structs for a particular move (and,
+ possibly, the other moves that were considered prior to this move
+ in the move ordering). This is called when a move beats alpha at
+ the root or in Search (but not in QSearch).
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uRemainingDepth,
+ MOVE mvBest,
+ SCORE iScore,
+ ULONG uCurrent
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ MOVE mv;
+
+ //
+ // Add this move to the killer list and increment its history count
+ //
+ if (!IS_CAPTURE_OR_PROMOTION(mvBest))
+ {
+ _NewKillerMove(ctx, mvBest, iScore);
+ _IncrementMoveHistoryCounter(mvBest, uRemainingDepth);
+ }
+
+ //
+ // If this move was not the first we considered at this node,
+ // decrement the history counters of moves we considered before
+ // it.
+ //
+ uCurrent -= (uCurrent != 0);
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < uCurrent;
+ u++)
+ {
+ ASSERT(IS_SAME_MOVE(ctx->sMoveStack.mvf[uCurrent].mv, mvBest));
+ mv = ctx->sMoveStack.mvf[u].mv;
+ ASSERT(!IS_SAME_MOVE(mv, mvBest));
+ if (!IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ _DecrementMoveHistoryCounter(mv, uRemainingDepth);
+ }
+ }
+}
+
+
+
+
+ULONG
+GetMoveFailHighPercentage(IN MOVE mv)
+/**
+
+Routine description:
+
+ Lookup a move in the fail high percentage history table and return
+ its approximate fail high percentage.
+
+Parameters:
+
+ MOVE mv
+
+Return value:
+
+ ULONG
+
+**/
+{
+ ULONG u = MOVE_TO_INDEX(mv);
+ ULONG n, d;
+
+ n = g_FailHighs[u].u16FailHighs;
+ d = g_FailHighs[u].u16Attempts;
+ if (d == 0)
+ {
+ return(0);
+ }
+ n *= 100;
+ return(n / d);
+}
+
+
+void
+CleanupDynamicMoveOrdering(void)
+/**
+
+Routine description:
+
+ Cleanup dynamic move ordering structs -- basically a noop for now.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ NOTHING;
+}
+
+
+void
+MaintainDynamicMoveOrdering(void)
+/**
+
+Routine description:
+
+ Perform routine maintenance on dynamic move ordering data by
+ reducing the magnitude of the history counters.
+
+Parameters:
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x, y;
+
+ LOCK_DYN;
+ for (x = 0; x <= WHITE_KING; x++)
+ {
+ FOREACH_SQUARE(y)
+ {
+ g_HistoryCounters[x][y] >>= 1;
+ }
+ }
+ UNLOCK_DYN;
+}
--- /dev/null
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#if defined(_WIN32)
+#include <windows.h>
+#endif
+
+#define NEW
+#define T41_INCLUDE
+#define T42_INCLUDE
+#define T33_INCLUDE
+#define T_INDEX64
+#define XX 127
+
+#if !defined(SMP) && !defined(SUN)
+#define lock_t int
+#endif
+
+#if defined (T_INDEX64) && defined (_MSC_VER)
+typedef unsigned __int64 INDEX;
+#elif defined (T_INDEX64)
+typedef unsigned long long INDEX;
+#else
+typedef unsigned long INDEX;
+#endif
+
+typedef unsigned int square;
+
+typedef int color;
+
+#define x_colorWhite 0
+#define x_colorBlack 1
+#define x_colorNeutral 2
+
+typedef int piece;
+
+#define x_pieceNone 0
+#define x_piecePawn 1
+#define x_pieceKnight 2
+#define x_pieceBishop 3
+#define x_pieceRook 4
+#define x_pieceQueen 5
+#define x_pieceKing 6
+
+/*
+ Macro that fetches positions of pieces
+ */
+
+#define C_PIECES 3 /* Maximum # of pieces of one color OTB */
+
+#define SqFindKing(psq) (psq[C_PIECES*(x_pieceKing-1)])
+#define SqFindOne(psq, pi) (psq[C_PIECES*(pi-1)])
+#define SqFindFirst(psq, pi) (psq[C_PIECES*(pi-1)])
+#define SqFindSecond(psq, pi) (psq[C_PIECES*(pi-1)+1])
+#define SqFindThird(psq, pi) (psq[C_PIECES*(pi-1)+2])
+
+#include "lock.h"
+
+/*
+ All defined, now include probing code
+ */
+
+/* -------------------------------------------------------------------- */
+/* */
+/* Probe chess endgame database ("tablebase") */
+/* */
+/* Copyright (c) 1998--2001 Eugene Nalimov */
+/* */
+/* The code listed below should not be used in any product (software or */
+/* hardware, commercial or not, and so on) without written permission */
+/* from the author. */
+/* */
+/* -------------------------------------------------------------------- */
+
+#if defined (_WIN32) || defined(_WIN64)
+# include <windows.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#if !defined (DEBUG) && !defined(NDEBUG)
+# define NDEBUG
+#endif
+#include <assert.h>
+
+// SMP stuff
+
+#if defined (CPUS) && !defined (SMP) && (CPUS > 1)
+# error Cannot use CPUS > 1 without SMP defined
+#endif
+
+static lock_t lockLRU;
+
+// Declarations
+
+typedef unsigned char BYTE;
+typedef unsigned long ULONG;
+typedef signed char tb_t;
+
+#if !defined (COLOR_DECLARED)
+typedef int color;
+# define x_colorWhite 0
+# define x_colorBlack 1
+# define x_colorNeutral 2
+# define COLOR_DECLARED
+#endif
+
+#if !defined (PIECES_DECLARED)
+typedef int piece;
+# define x_pieceNone 0
+# define x_piecePawn 1
+# define x_pieceKnight 2
+# define x_pieceBishop 3
+# define x_pieceRook 4
+# define x_pieceQueen 5
+# define x_pieceKing 6
+# define PIECES_DECLARED
+#endif
+
+#if !defined (SqFind2)
+# define SqFind2(psq,pi1,sq1,pi2,sq2) sq1=SqFindFirst(psq,pi1);sq2=SqFindFirst(psq,pi2);
+#endif
+
+// Machine and compiler-specific declarations
+
+#if defined (_MSC_VER)
+
+# undef TB_CDECL
+# define TB_CDECL __cdecl
+# define TB_FASTCALL __fastcall
+# if _MSC_VER >= 1200
+# define INLINE __forceinline
+# endif
+
+#else
+
+# define TB_CDECL
+# define TB_FASTCALL
+
+#endif
+
+#if !defined (INLINE)
+# define INLINE inline
+#endif
+
+// Printf formats
+
+#if defined (T_INDEX64) && defined (_MSC_VER)
+# define HEX_INDEX_FORMAT "%016I64X"
+# define DEC_INDEX_FORMAT "%I64u"
+#elif defined (T_INDEX64)
+# define HEX_INDEX_FORMAT "%016llX"
+# define DEC_INDEX_FORMAT "%llu"
+#else
+# define HEX_INDEX_FORMAT "%08X"
+# define DEC_INDEX_FORMAT "%lu"
+#endif
+
+// Directory delimiter
+
+#if defined (_WIN32) || defined(_WIN64)
+# define DELIMITER "\\"
+#elif defined (__MWERKS__)
+# define DELIMITER ":"
+#else
+# define DELIMITER "/"
+#endif
+
+
+// Some constants from SJE program
+
+#define pageL 256
+
+/* tablebase byte entry semispan length */
+
+#define tbbe_ssL ((pageL - 4) / 2)
+
+/* tablebase signed byte entry values */
+
+#define bev_broken (tbbe_ssL + 1) /* illegal or busted */
+
+#define bev_mi1 tbbe_ssL /* mate in 1 move */
+#define bev_mimin 1 /* mate in 126 moves */
+
+#define bev_draw 0 /* draw */
+
+#define bev_limax (-1) /* mated in 125 moves */
+#define bev_li0 (-tbbe_ssL) /* mated in 0 moves */
+
+#define bev_limaxx (-tbbe_ssL - 1) /* mated in 126 moves */
+#define bev_miminx (-tbbe_ssL - 2) /* mate in 127 moves */
+
+// Some constants for 16-bit tables
+
+#define L_pageL 65536
+
+/* tablebase short entry semispan length */
+
+#define L_tbbe_ssL ((L_pageL - 4) / 2)
+
+/* tablebase signed short entry values */
+
+#define L_bev_broken (L_tbbe_ssL + 1) /* illegal or busted */
+
+#define L_bev_mi1 L_tbbe_ssL /* mate in 1 move */
+#define L_bev_mimin 1 /* mate in 32766 moves */
+
+#define L_bev_draw 0 /* draw */
+
+#define L_bev_limax (-1) /* mated in 32765 moves */
+#define L_bev_li0 (-L_tbbe_ssL) /* mated in 0 moves */
+
+#define L_bev_limaxx (-L_tbbe_ssL - 1) /* mated in 32766 moves */
+#define L_bev_miminx (-L_tbbe_ssL - 2) /* mate in 32767 moves */
+
+// Convertion from 8-bit to 16-bit score
+// UNDONE: Maybe implement via lookup table?
+
+#define S_to_L(tbt)\
+ (\
+ (0 == tbt) ? 0:\
+ (tbt > 0) ? (bev_broken != tbt ? tbt + 32640 : L_bev_broken):\
+ (tbt >= bev_li0) ? tbt - 32640:\
+ (bev_limaxx == tbt) ? -32640:\
+ /*bev_miminx == tbt*/ 32640\
+ )
+
+// Constants
+
+#define i8 ((unsigned) 8)
+#define i14 ((unsigned) 14)
+#define i42 ((unsigned) 42)
+#define i43 ((unsigned) 43)
+#define i44 ((unsigned) 44)
+#define i45 ((unsigned) 45)
+#define i46 ((unsigned) 46)
+#define i47 ((unsigned) 47)
+#define i48 ((unsigned) 48)
+#define i57 ((unsigned) 57)
+#define i58 ((unsigned) 58)
+#define i59 ((unsigned) 59)
+#define i60 ((unsigned) 60)
+#define i61 ((unsigned) 61)
+#define i62 ((unsigned) 62)
+#define i63 ((unsigned) 63)
+#define i64 ((unsigned) 64)
+
+#define x_row_1 0
+#define x_row_2 1
+#define x_row_3 2
+#define x_row_4 3
+#define x_row_5 4
+#define x_row_6 5
+#define x_row_7 6
+#define x_row_8 7
+
+#define x_column_a 0
+#define x_column_b 1
+#define x_column_c 2
+#define x_column_d 3
+#define x_column_e 4
+#define x_column_f 5
+#define x_column_g 6
+#define x_column_h 7
+
+/* reflection macros */
+
+#define reflect_x(sq) ((sq) ^ 0x38)
+#define reflect_y(sq) ((sq) ^ 0x07)
+#define reflect_xy(sq) rgsqReflectXY[sq]
+
+static const square rgsqReflectXY [] =
+{
+ 0, 8, 16, 24, 32, 40, 48, 56,
+ 1, 9, 17, 25, 33, 41, 49, 57,
+ 2, 10, 18, 26, 34, 42, 50, 58,
+ 3, 11, 19, 27, 35, 43, 51, 59,
+ 4, 12, 20, 28, 36, 44, 52, 60,
+ 5, 13, 21, 29, 37, 45, 53, 61,
+ 6, 14, 22, 30, 38, 46, 54, 62,
+ 7, 15, 23, 31, 39, 47, 55, 63,
+};
+
+static const square rgsqReflectMaskY [] =
+{
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+};
+
+static const square rgsqReflectMaskYandX [] =
+{
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0, 0, 0, 0, 7, 7, 7, 7,
+ 0x38, 0x38, 0x38, 0x38, 0x38+7, 0x38+7, 0x38+7, 0x38+7,
+ 0x38, 0x38, 0x38, 0x38, 0x38+7, 0x38+7, 0x38+7, 0x38+7,
+ 0x38, 0x38, 0x38, 0x38, 0x38+7, 0x38+7, 0x38+7, 0x38+7,
+ 0x38, 0x38, 0x38, 0x38, 0x38+7, 0x38+7, 0x38+7, 0x38+7,
+};
+
+static const square rgsqReflectInvertMask[] = { 0, 0x38 };
+
+/* useful macros */
+
+#define TbRow(sq) ((sq) >> 3)
+#define TbColumn(sq) ((sq) & 7)
+
+#if defined (NEW)
+# define PchExt(side) ((x_colorWhite == side) ? ".nbw" : ".nbb")
+#else
+# define PchExt(side) ((x_colorWhite == side) ? ".tbw" : ".tbb")
+#endif
+
+// Verbose levels
+
+static bool fPrint = false; // Print some technical statistics
+static bool fVerbose = false; // Print additional information
+
+// Malloc that checks for out-of-memory condition
+
+static size_t cbAllocated;
+static int cOpenFilesAttempts;
+static int cOpenFilesSuceed;
+
+static void* PvMalloc
+ (
+ size_t cb
+ )
+ {
+ void *pv;
+
+ pv = malloc (cb);
+ if (NULL == pv)
+ {
+ printf ("*** Cannot allocate %d bytes of memory\n", cb);
+ exit (1);
+ }
+ cbAllocated += cb;
+ return pv;
+ }
+
+#if defined (NEW) // New index schema ----------------------------------------
+
+// 'Invalid' value have to be large, so index
+// of invalid position will be very large, too.
+
+#define INF 4000
+
+// Enumeration: valid positions with 2 kings on board; white king restricted to
+// a1-d1-d4 triangle; also, if it's at a1-d4 half-diagonal, then black king
+// must be in a1-h1-h8 triangle
+
+static const short rgsTriKings [64 * 64] =
+{
+ INF, INF, 0, 1, 2, 3, 4, 5, INF, INF, 6, 7, 8, 9, 10, 11,
+ INF, INF, 12, 13, 14, 15, 16, 17, INF, INF, INF, 18, 19, 20, 21, 22,
+ INF, INF, INF, INF, 23, 24, 25, 26, INF, INF, INF, INF, INF, 27, 28, 29,
+ INF, INF, INF, INF, INF, INF, 30, 31, INF, INF, INF, INF, INF, INF, INF, 32,
+ INF, INF, INF, 33, 34, 35, 36, 37, INF, INF, INF, 38, 39, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
+ 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
+ 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
+ 91, INF, INF, INF, 92, 93, 94, 95, 96, INF, INF, INF, 97, 98, 99, 100,
+ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116,
+ 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132,
+ 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148,
+ 149, 150, INF, INF, INF, 151, 152, 153, 154, 155, INF, INF, INF, 156, 157, 158,
+ 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174,
+ 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190,
+ 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, 207, 208, 209, 210, 211, INF, INF, INF, 212, 213, 214, 215, 216,
+ INF, INF, INF, 217, 218, 219, 220, 221, INF, INF, INF, 222, 223, 224, 225, 226,
+ INF, INF, INF, INF, 227, 228, 229, 230, INF, INF, INF, INF, INF, 231, 232, 233,
+ INF, INF, INF, INF, INF, INF, 234, 235, INF, INF, INF, INF, INF, INF, INF, 236,
+ 237, INF, INF, INF, 238, 239, 240, 241, 242, INF, INF, INF, 243, 244, 245, 246,
+ 247, INF, INF, INF, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259,
+ 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275,
+ 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291,
+ 292, 293, INF, INF, INF, 294, 295, 296, 297, 298, INF, INF, INF, 299, 300, 301,
+ 302, 303, INF, INF, INF, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314,
+ 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330,
+ 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ 347, 348, 349, 350, 351, 352, 353, 354, INF, INF, INF, INF, 355, 356, 357, 358,
+ INF, INF, INF, INF, 359, 360, 361, 362, INF, INF, INF, INF, 363, 364, 365, 366,
+ INF, INF, INF, INF, 367, 368, 369, 370, INF, INF, INF, INF, INF, 371, 372, 373,
+ INF, INF, INF, INF, INF, INF, 374, 375, INF, INF, INF, INF, INF, INF, INF, 376,
+ 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, INF, INF, INF, 387, 388, 389,
+ 390, 391, INF, INF, INF, 392, 393, 394, 395, 396, INF, INF, INF, 397, 398, 399,
+ 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415,
+ 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ 432, 433, 434, 435, 436, 437, 438, 439, INF, 440, 441, 442, 443, 444, 445, 446,
+ INF, INF, INF, INF, INF, 447, 448, 449, INF, INF, INF, INF, INF, 450, 451, 452,
+ INF, INF, INF, INF, INF, 453, 454, 455, INF, INF, INF, INF, INF, 456, 457, 458,
+ INF, INF, INF, INF, INF, INF, 459, 460, INF, INF, INF, INF, INF, INF, INF, 461,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+};
+
+// Enumeration: all valid positions with 2 kings on board when white king
+// restricted to left half of the board
+
+static const short rgsHalfKings [64 * 64] =
+{
+ INF, INF, 0, 1, 2, 3, 4, 5, INF, INF, 6, 7, 8, 9, 10, 11,
+ 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+ INF, INF, INF, 60, 61, 62, 63, 64, INF, INF, INF, 65, 66, 67, 68, 69,
+ 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85,
+ 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101,
+ 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117,
+ 118, INF, INF, INF, 119, 120, 121, 122, 123, INF, INF, INF, 124, 125, 126, 127,
+ 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
+ 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+ 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
+ 176, 177, INF, INF, INF, 178, 179, 180, 181, 182, INF, INF, INF, 183, 184, 185,
+ 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201,
+ 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217,
+ 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, 234, 235, 236, 237, 238, 239, INF, INF, 240, 241, 242, 243, 244, 245,
+ INF, INF, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259,
+ 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275,
+ 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291,
+ INF, INF, INF, 292, 293, 294, 295, 296, INF, INF, INF, 297, 298, 299, 300, 301,
+ INF, INF, INF, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314,
+ 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330,
+ 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346,
+ 347, INF, INF, INF, 348, 349, 350, 351, 352, INF, INF, INF, 353, 354, 355, 356,
+ 357, INF, INF, INF, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369,
+ 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385,
+ 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401,
+ 402, 403, INF, INF, INF, 404, 405, 406, 407, 408, INF, INF, INF, 409, 410, 411,
+ 412, 413, INF, INF, INF, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424,
+ 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440,
+ 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ 457, 458, 459, 460, 461, 462, 463, 464, INF, INF, 465, 466, 467, 468, 469, 470,
+ INF, INF, 471, 472, 473, 474, 475, 476, INF, INF, 477, 478, 479, 480, 481, 482,
+ 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498,
+ 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514,
+ 515, 516, 517, 518, 519, 520, 521, 522, INF, INF, INF, 523, 524, 525, 526, 527,
+ INF, INF, INF, 528, 529, 530, 531, 532, INF, INF, INF, 533, 534, 535, 536, 537,
+ 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553,
+ 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569,
+ 570, 571, 572, 573, 574, 575, 576, 577, 578, INF, INF, INF, 579, 580, 581, 582,
+ 583, INF, INF, INF, 584, 585, 586, 587, 588, INF, INF, INF, 589, 590, 591, 592,
+ 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608,
+ 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624,
+ 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, INF, INF, INF, 635, 636, 637,
+ 638, 639, INF, INF, INF, 640, 641, 642, 643, 644, INF, INF, INF, 645, 646, 647,
+ 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663,
+ 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695,
+ INF, INF, 696, 697, 698, 699, 700, 701, INF, INF, 702, 703, 704, 705, 706, 707,
+ INF, INF, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721,
+ 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737,
+ 738, 739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753,
+ INF, INF, INF, 754, 755, 756, 757, 758, INF, INF, INF, 759, 760, 761, 762, 763,
+ INF, INF, INF, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776,
+ 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792,
+ 793, 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 805, 806, 807, 808,
+ 809, INF, INF, INF, 810, 811, 812, 813, 814, INF, INF, INF, 815, 816, 817, 818,
+ 819, INF, INF, INF, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831,
+ 832, 833, 834, 835, 836, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847,
+ 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863,
+ 864, 865, INF, INF, INF, 866, 867, 868, 869, 870, INF, INF, INF, 871, 872, 873,
+ 874, 875, INF, INF, INF, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886,
+ 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 900, 901, 902,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918,
+ 919, 920, 921, 922, 923, 924, 925, 926, INF, INF, 927, 928, 929, 930, 931, 932,
+ INF, INF, 933, 934, 935, 936, 937, 938, INF, INF, 939, 940, 941, 942, 943, 944,
+ 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 957, 958, 959, 960,
+ 961, 962, 963, 964, 965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 975, 976,
+ 977, 978, 979, 980, 981, 982, 983, 984, INF, INF, INF, 985, 986, 987, 988, 989,
+ INF, INF, INF, 990, 991, 992, 993, 994, INF, INF, INF, 995, 996, 997, 998, 999,
+1000,1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,1011,1012,1013,1014,1015,
+1016,1017,1018,1019,1020,1021,1022,1023,1024,1025,1026,1027,1028,1029,1030,1031,
+1032,1033,1034,1035,1036,1037,1038,1039,1040, INF, INF, INF,1041,1042,1043,1044,
+1045, INF, INF, INF,1046,1047,1048,1049,1050, INF, INF, INF,1051,1052,1053,1054,
+1055,1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070,
+1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,1086,
+1087,1088,1089,1090,1091,1092,1093,1094,1095,1096, INF, INF, INF,1097,1098,1099,
+1100,1101, INF, INF, INF,1102,1103,1104,1105,1106, INF, INF, INF,1107,1108,1109,
+1110,1111,1112,1113,1114,1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+1126,1127,1128,1129,1130,1131,1132,1133,1134,1135,1136,1137,1138,1139,1140,1141,
+1142,1143,1144,1145,1146,1147,1148,1149,1150,1151,1152,1153,1154,1155,1156,1157,
+ INF, INF,1158,1159,1160,1161,1162,1163, INF, INF,1164,1165,1166,1167,1168,1169,
+ INF, INF,1170,1171,1172,1173,1174,1175,1176,1177,1178,1179,1180,1181,1182,1183,
+1184,1185,1186,1187,1188,1189,1190,1191,1192,1193,1194,1195,1196,1197,1198,1199,
+1200,1201,1202,1203,1204,1205,1206,1207,1208,1209,1210,1211,1212,1213,1214,1215,
+ INF, INF, INF,1216,1217,1218,1219,1220, INF, INF, INF,1221,1222,1223,1224,1225,
+ INF, INF, INF,1226,1227,1228,1229,1230,1231,1232,1233,1234,1235,1236,1237,1238,
+1239,1240,1241,1242,1243,1244,1245,1246,1247,1248,1249,1250,1251,1252,1253,1254,
+1255,1256,1257,1258,1259,1260,1261,1262,1263,1264,1265,1266,1267,1268,1269,1270,
+1271, INF, INF, INF,1272,1273,1274,1275,1276, INF, INF, INF,1277,1278,1279,1280,
+1281, INF, INF, INF,1282,1283,1284,1285,1286,1287,1288,1289,1290,1291,1292,1293,
+1294,1295,1296,1297,1298,1299,1300,1301,1302,1303,1304,1305,1306,1307,1308,1309,
+1310,1311,1312,1313,1314,1315,1316,1317,1318,1319,1320,1321,1322,1323,1324,1325,
+1326,1327, INF, INF, INF,1328,1329,1330,1331,1332, INF, INF, INF,1333,1334,1335,
+1336,1337, INF, INF, INF,1338,1339,1340,1341,1342,1343,1344,1345,1346,1347,1348,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+1349,1350,1351,1352,1353,1354,1355,1356,1357,1358,1359,1360,1361,1362,1363,1364,
+1365,1366,1367,1368,1369,1370,1371,1372,1373,1374,1375,1376,1377,1378,1379,1380,
+1381,1382,1383,1384,1385,1386,1387,1388, INF, INF,1389,1390,1391,1392,1393,1394,
+ INF, INF,1395,1396,1397,1398,1399,1400, INF, INF,1401,1402,1403,1404,1405,1406,
+1407,1408,1409,1410,1411,1412,1413,1414,1415,1416,1417,1418,1419,1420,1421,1422,
+1423,1424,1425,1426,1427,1428,1429,1430,1431,1432,1433,1434,1435,1436,1437,1438,
+1439,1440,1441,1442,1443,1444,1445,1446, INF, INF, INF,1447,1448,1449,1450,1451,
+ INF, INF, INF,1452,1453,1454,1455,1456, INF, INF, INF,1457,1458,1459,1460,1461,
+1462,1463,1464,1465,1466,1467,1468,1469,1470,1471,1472,1473,1474,1475,1476,1477,
+1478,1479,1480,1481,1482,1483,1484,1485,1486,1487,1488,1489,1490,1491,1492,1493,
+1494,1495,1496,1497,1498,1499,1500,1501,1502, INF, INF, INF,1503,1504,1505,1506,
+1507, INF, INF, INF,1508,1509,1510,1511,1512, INF, INF, INF,1513,1514,1515,1516,
+1517,1518,1519,1520,1521,1522,1523,1524,1525,1526,1527,1528,1529,1530,1531,1532,
+1533,1534,1535,1536,1537,1538,1539,1540,1541,1542,1543,1544,1545,1546,1547,1548,
+1549,1550,1551,1552,1553,1554,1555,1556,1557,1558, INF, INF, INF,1559,1560,1561,
+1562,1563, INF, INF, INF,1564,1565,1566,1567,1568, INF, INF, INF,1569,1570,1571,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+1572,1573,1574,1575,1576,1577,1578,1579,1580,1581,1582,1583,1584,1585,1586,1587,
+1588,1589,1590,1591,1592,1593,1594,1595,1596,1597,1598,1599,1600,1601,1602,1603,
+1604,1605,1606,1607,1608,1609,1610,1611,1612,1613,1614,1615,1616,1617,1618,1619,
+ INF, INF,1620,1621,1622,1623,1624,1625, INF, INF,1626,1627,1628,1629,1630,1631,
+1632,1633,1634,1635,1636,1637,1638,1639,1640,1641,1642,1643,1644,1645,1646,1647,
+1648,1649,1650,1651,1652,1653,1654,1655,1656,1657,1658,1659,1660,1661,1662,1663,
+1664,1665,1666,1667,1668,1669,1670,1671,1672,1673,1674,1675,1676,1677,1678,1679,
+ INF, INF, INF,1680,1681,1682,1683,1684, INF, INF, INF,1685,1686,1687,1688,1689,
+1690,1691,1692,1693,1694,1695,1696,1697,1698,1699,1700,1701,1702,1703,1704,1705,
+1706,1707,1708,1709,1710,1711,1712,1713,1714,1715,1716,1717,1718,1719,1720,1721,
+1722,1723,1724,1725,1726,1727,1728,1729,1730,1731,1732,1733,1734,1735,1736,1737,
+1738, INF, INF, INF,1739,1740,1741,1742,1743, INF, INF, INF,1744,1745,1746,1747,
+1748,1749,1750,1751,1752,1753,1754,1755,1756,1757,1758,1759,1760,1761,1762,1763,
+1764,1765,1766,1767,1768,1769,1770,1771,1772,1773,1774,1775,1776,1777,1778,1779,
+1780,1781,1782,1783,1784,1785,1786,1787,1788,1789,1790,1791,1792,1793,1794,1795,
+1796,1797, INF, INF, INF,1798,1799,1800,1801,1802, INF, INF, INF,1803,1804,1805,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+ INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF, INF,
+};
+
+// Useful macro and enumeration tables
+
+#define IndTriKings(sqk1,sqk2) ((unsigned) rgsTriKings[sqk1*64+sqk2])
+#define IndHalfKings(sqk1,sqk2) ((unsigned) rgsHalfKings[sqk1*64+sqk2])
+
+static const bool rgfTriangle[64] =
+{
+ true, true, true, true, false, false, false, false,
+ false, true, true, true, false, false, false, false,
+ false, false, true, true, false, false, false, false,
+ false, false, false, true, false, false, false, false,
+ false, false, false, false, false, false, false, false,
+ false, false, false, false, false, false, false, false,
+ false, false, false, false, false, false, false, false,
+ false, false, false, false, false, false, false, false,
+};
+
+static const bool rgfNotDiagonal[64] =
+{
+ false, true, true, true, true, true, true, true,
+ true, false, true, true, true, true, true, true,
+ true, true, false, true, true, true, true, true,
+ true, true, true, false, true, true, true, true,
+ true, true, true, true, false, true, true, true,
+ true, true, true, true, true, false, true, true,
+ true, true, true, true, true, true, false, true,
+ true, true, true, true, true, true, true, false,
+};
+
+static const bool rgfInLargeTriangle[64] =
+{
+ true, true, true, true, true, true, true, true,
+ false, true, true, true, true, true, true, true,
+ false, false, true, true, true, true, true, true,
+ false, false, false, true, true, true, true, true,
+ false, false, false, false, true, true, true, true,
+ false, false, false, false, false, true, true, true,
+ false, false, false, false, false, false, true, true,
+ false, false, false, false, false, false, false, true,
+};
+
+#define FInTriangle(sqwk,sqbk) (rgfTriangle[sqwk] & (rgfNotDiagonal[sqwk]|rgfInLargeTriangle[sqbk]))
+
+// Sort pieces
+
+#define SORT(sq1,sq2) if (sq1>sq2) { square sqTmp; sqTmp=sq1; sq1=sq2; sq2=sqTmp; }
+
+// Exclude occupied squares
+
+#define EXCLUDE1(sq,sq1) (sq-(sq>sq1))
+#define EXCLUDE2(sq,sq1,sq2) (sq-((sq>sq1)+(sq>sq2)))
+#define EXCLUDE3(sq,sq1,sq2,sq3) (sq-((sq>sq1)+(sq>sq2)+(sq>sq3)))
+#define EXCLUDE4(sq,sq1,sq2,sq3,sq4) (sq-((sq>sq1)+(sq>sq2)+(sq>sq3)+(sq>sq4)))
+#define EXCLUDE5(sq,sq1,sq2,sq3,sq4,sq5) (sq-((sq>sq1)+(sq>sq2)+(sq>sq3)+(sq>sq4)+(sq>sq5)))
+#define EXCLUDE6(sq,sq1,sq2,sq3,sq4,sq5,sq6) (sq-((sq>sq1)+(sq>sq2)+(sq>sq3)+(sq>sq4)+(sq>sq5)+(sq>sq6)))
+#define EXCLUDE7(sq,sq1,sq2,sq3,sq4,sq5,sq6,sq7) (sq-((sq>sq1)+(sq>sq2)+(sq>sq3)+(sq>sq4)+(sq>sq5)+(sq>sq6)+(sq>sq7)))
+
+#if !defined(SWAP)
+#define SWAP(sq1, sq2) {square sq_tmp = sq2; sq2 = sq1; sq1 = sq_tmp;}
+#endif
+
+// Calculate index - a lot of functions...
+
+// Enumeration tables
+
+static BYTE *rgprgsqPiece[6]; // Enumeration for each piece (0 - black pawn)
+ // For each position of the King, all legal squares
+ // of the opposite piece enumerated
+static BYTE rgcLegal[6][64]; // # of enumerated positions for each piece and each
+ // location of enemy king
+
+// Enumerations - indexed by [piece] and [kings enumeration].
+// In each table for each [piece] and [king enumeration] we store # of preceeding positions.
+
+static ULONG *rgprgulSinglePawnless[6];
+static ULONG *rgprgulPairPawnless[6][6];
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+ static ULONG *rgprgulTriplePawnless[6][6][6];
+#endif
+static ULONG *rgprgulSinglePawnPresent[6];
+static ULONG *rgprgulPairPawnPresent[6][6];
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+ static ULONG *rgprgulTriplePawnPresent[6][6][6];
+#endif
+
+// Total # of enumerated positions
+
+static ULONG rgcSinglePawnPresent[6];
+static ULONG rgcSinglePawnless[6];
+static ULONG rgcPairPawnPresent[6][6];
+static ULONG rgcPairPawnless[6][6];
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+ static ULONG rgcTriplePawnPresent[6][6][6];
+ static ULONG rgcTriplePawnless[6][6][6];
+#endif
+
+// Infinities. Have to be larger than any legal enumeration yet small enough
+// so there will be no overflow when combining them with remaining pieces.
+
+#define INF_SINGLE (110000)
+#define INF_PAIR (6500000)
+#define INF_TRIPLE (500000000)
+
+// Initialize squares and counters table for one piece.
+// Piece can be x_pieceNone - that means 'pawn of the wrong color', e.g. KPK BTM.
+
+static void VInitSquaresTable
+ (
+ piece pi,
+ BYTE *prgsqPiece,
+ BYTE *prgcLegal
+ )
+ {
+ int sqLo, sqHi;
+
+ memset (prgsqPiece, -1, 64*64);
+ sqLo = 0;
+ sqHi = 64;
+ if (pi <= x_piecePawn)
+ {
+ sqLo = 8;
+ sqHi = 56;
+ }
+ for (int sqKing = 0; sqKing < 64; sqKing ++)
+ {
+ int iPiece;
+
+ iPiece = 0;
+ for (int sq = sqLo; sq < sqHi; sq ++)
+ {
+ if (sq == sqKing)
+ continue;
+ switch (pi)
+ {
+ case x_piecePawn:
+ if (
+ 0 != TbColumn (sq) && sqKing == sq+7 ||
+ 7 != TbColumn (sq) && sqKing == sq+9
+ )
+ continue;
+ break;
+ case x_pieceKnight:
+ if (
+ TbRow (sq) >= 2 && TbColumn (sq) >= 1 && sqKing == sq-17 ||
+ TbRow (sq) >= 2 && TbColumn (sq) <= 6 && sqKing == sq-15 ||
+ TbRow (sq) >= 1 && TbColumn (sq) >= 2 && sqKing == sq-10 ||
+ TbRow (sq) >= 1 && TbColumn (sq) <= 5 && sqKing == sq-6 ||
+ TbRow (sq) <= 6 && TbColumn (sq) >= 2 && sqKing == sq+6 ||
+ TbRow (sq) <= 6 && TbColumn (sq) <= 5 && sqKing == sq+10 ||
+ TbRow (sq) <= 5 && TbColumn (sq) >= 1 && sqKing == sq+15 ||
+ TbRow (sq) <= 5 && TbColumn (sq) <= 6 && sqKing == sq+17
+ )
+ continue;
+ break;
+ case x_pieceBishop:
+ if (
+ 0 != TbRow (sq) && 0 != TbColumn (sq) && sqKing == sq-9 ||
+ 0 != TbRow (sq) && 7 != TbColumn (sq) && sqKing == sq-7 ||
+ 7 != TbRow (sq) && 0 != TbColumn (sq) && sqKing == sq+7 ||
+ 7 != TbRow (sq) && 7 != TbColumn (sq) && sqKing == sq+9
+ )
+ continue;
+ break;
+ case x_pieceRook:
+ if (
+ 0 != TbColumn (sq) && sqKing == sq-1 ||
+ 7 != TbColumn (sq) && sqKing == sq+1 ||
+ 0 != TbRow (sq) && sqKing == sq-8 ||
+ 7 != TbRow (sq) && sqKing == sq+8
+ )
+ continue;
+ break;
+ case x_pieceQueen:
+ if (
+ 0 != TbColumn (sq) && sqKing == sq-1 ||
+ 7 != TbColumn (sq) && sqKing == sq+1 ||
+ 0 != TbRow (sq) && sqKing == sq-8 ||
+ 7 != TbRow (sq) && sqKing == sq+8 ||
+ 0 != TbRow (sq) && 0 != TbColumn (sq) && sqKing == sq-9 ||
+ 0 != TbRow (sq) && 7 != TbColumn (sq) && sqKing == sq-7 ||
+ 7 != TbRow (sq) && 0 != TbColumn (sq) && sqKing == sq+7 ||
+ 7 != TbRow (sq) && 7 != TbColumn (sq) && sqKing == sq+9
+ )
+ continue;
+ break;
+ }
+ prgsqPiece[sqKing*64+sq] = (BYTE) iPiece;
+ iPiece ++;
+ }
+ prgcLegal[sqKing] = (BYTE) iPiece;
+ }
+ }
+
+// Initialize enumeration table for single piece
+
+static void VInitSingle
+ (
+ ULONG *prgIndex,
+ const short *prgsKings,
+ const BYTE *prgcLegal,
+ const BYTE *prgsqPiece,
+ ULONG *pcEnumeration
+ )
+ {
+ ULONG iIndex;
+
+ iIndex = 0;
+ for (int sqKing1 = 0; sqKing1 < 64; sqKing1 ++)
+ for (int sqKing2 = 0; sqKing2 < 64; sqKing2 ++)
+ {
+ if (INF != prgsKings[sqKing1*64+sqKing2])
+ {
+ prgIndex[prgsKings[sqKing1*64+sqKing2]] = iIndex;
+ iIndex += prgcLegal[sqKing2] - ((BYTE) -1 != prgsqPiece[sqKing2*64+sqKing1]);
+ }
+ }
+ *pcEnumeration = iIndex;
+ }
+
+// Initialize enumeration table for pair of pieces
+
+static void VInitPair
+ (
+ ULONG *prgIndex,
+ const short *prgsKings,
+ const BYTE *prgcLegal1,
+ const BYTE *prgsqPiece1,
+ const BYTE *prgcLegal2,
+ const BYTE *prgsqPiece2,
+ ULONG *pcEnumeration
+ )
+ {
+ ULONG iIndex;
+ ULONG cPositions1, cPositions2;
+
+ iIndex = 0;
+ for (int sqKing1 = 0; sqKing1 < 64; sqKing1 ++)
+ for (int sqKing2 = 0; sqKing2 < 64; sqKing2 ++)
+ {
+ if (INF != prgsKings[sqKing1*64+sqKing2])
+ {
+ prgIndex[prgsKings[sqKing1*64+sqKing2]] = iIndex;
+ cPositions1 = prgcLegal1[sqKing2] - ((BYTE) -1 != prgsqPiece1[sqKing2*64+sqKing1]);
+ if (prgcLegal1 == prgcLegal2)
+ iIndex += cPositions1*(cPositions1-1)/2;
+ else
+ {
+ cPositions2 = prgcLegal2[sqKing2] - ((BYTE) -1 != prgsqPiece2[sqKing2*64+sqKing1]);
+ iIndex += cPositions1*cPositions2;
+ }
+ }
+ }
+ *pcEnumeration = iIndex;
+ }
+
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+
+// Initialize enumeration table for triple piece
+
+static void VInitTriple
+ (
+ ULONG *prgIndex,
+ const short *prgsKings,
+ const BYTE *prgcLegal1,
+ const BYTE *prgsqPiece1,
+ const BYTE *prgcLegal2,
+ const BYTE *prgsqPiece2,
+ const BYTE *prgcLegal3,
+ const BYTE *prgsqPiece3,
+ ULONG *pcEnumeration
+ )
+ {
+ ULONG iIndex;
+ ULONG cPositions1, cPositions2, cPositions3;
+
+ iIndex = 0;
+ for (int sqKing1 = 0; sqKing1 < 64; sqKing1 ++)
+ for (int sqKing2 = 0; sqKing2 < 64; sqKing2 ++)
+ {
+ if (INF != prgsKings[sqKing1*64+sqKing2])
+ {
+ prgIndex[prgsKings[sqKing1*64+sqKing2]] = iIndex;
+ cPositions1 = prgcLegal1[sqKing2] - ((BYTE) -1 != prgsqPiece1[sqKing2*64+sqKing1]);
+ if (prgcLegal1 == prgcLegal2 && prgcLegal2 == prgcLegal3)
+ iIndex += cPositions1*(cPositions1-1)*(cPositions1-2)/6;
+ else if (prgcLegal1 == prgcLegal2)
+ {
+ cPositions3 = prgcLegal3[sqKing2] - ((BYTE) -1 != prgsqPiece3[sqKing2*64+sqKing1]);
+ iIndex += cPositions1*(cPositions1-1)/2*cPositions3;
+ }
+ else if (prgcLegal2 == prgcLegal3)
+ {
+ cPositions2 = prgcLegal2[sqKing2] - ((BYTE) -1 != prgsqPiece2[sqKing2*64+sqKing1]);
+ iIndex += cPositions1*cPositions2*(cPositions2-1)/2;
+ }
+ else
+ {
+ cPositions2 = prgcLegal2[sqKing2] - ((BYTE) -1 != prgsqPiece2[sqKing2*64+sqKing1]);
+ cPositions3 = prgcLegal3[sqKing2] - ((BYTE) -1 != prgsqPiece3[sqKing2*64+sqKing1]);
+ iIndex += cPositions1*cPositions2*cPositions3;
+ }
+ }
+ }
+ *pcEnumeration = iIndex;
+ }
+
+#endif
+
+// Initialize all Enumeration tables
+
+static bool fEnumerationInitted = false;
+
+static void VInitEnumerations (void)
+ {
+ piece pi1;
+ piece pi2;
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+ piece pi3;
+#endif
+
+ if (fEnumerationInitted)
+ return;
+ fEnumerationInitted = true;
+ // Initialize square tables
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ {
+ rgprgsqPiece[pi1] = (BYTE *) PvMalloc (64*64);
+ VInitSquaresTable (pi1, rgprgsqPiece[pi1], rgcLegal[pi1]);
+ }
+
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ {
+ // Initialize enumeration tables for single piece
+ rgprgulSinglePawnPresent[pi1] = (ULONG *) PvMalloc (1806*sizeof (ULONG));
+ VInitSingle (rgprgulSinglePawnPresent[pi1], rgsHalfKings,
+ rgcLegal[pi1], rgprgsqPiece[pi1], &rgcSinglePawnPresent[pi1]);
+ if (pi1 > x_piecePawn)
+ {
+ rgprgulSinglePawnless[pi1] = (ULONG *) PvMalloc (462*sizeof (ULONG));
+ VInitSingle (rgprgulSinglePawnless[pi1], rgsTriKings,
+ rgcLegal[pi1], rgprgsqPiece[pi1], &rgcSinglePawnless[pi1]);
+ }
+ // Initialize enumeration tables for pair of pieces
+ for (pi2 = (x_pieceNone == pi1 ? x_pieceNone : x_piecePawn); pi2 <= pi1; pi2 = (piece) (pi2 + 1))
+ {
+ rgprgulPairPawnPresent[pi1][pi2] = (ULONG *) PvMalloc (1806*sizeof (ULONG));
+ VInitPair (rgprgulPairPawnPresent[pi1][pi2], rgsHalfKings,
+ rgcLegal[pi1], rgprgsqPiece[pi1], rgcLegal[pi2], rgprgsqPiece[pi2],
+ &rgcPairPawnPresent[pi1][pi2]);
+ if (pi1 > x_piecePawn && pi2 > x_piecePawn)
+ {
+ rgprgulPairPawnless[pi1][pi2] = (ULONG *) PvMalloc (462*sizeof (ULONG));
+ VInitPair (rgprgulPairPawnless[pi1][pi2], rgsTriKings,
+ rgcLegal[pi1], rgprgsqPiece[pi1], rgcLegal[pi2], rgprgsqPiece[pi2],
+ &rgcPairPawnless[pi1][pi2]);
+ }
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+ // Initialize enumeration tables for three pieces
+ for (pi3 = (x_pieceNone == pi1 ? x_pieceNone : x_piecePawn); pi3 <= pi2; pi3 = (piece) (pi3 + 1))
+ {
+ if (pi1 <= x_piecePawn || pi2 <= x_piecePawn || pi3 <= x_piecePawn)
+ {
+ rgprgulTriplePawnPresent[pi1][pi2][pi3] = (ULONG *) PvMalloc (1806*sizeof (ULONG));
+ VInitTriple (rgprgulTriplePawnPresent[pi1][pi2][pi3], rgsHalfKings,
+ rgcLegal[pi1], rgprgsqPiece[pi1],
+ rgcLegal[pi2], rgprgsqPiece[pi2],
+ rgcLegal[pi3], rgprgsqPiece[pi3],
+ &rgcTriplePawnPresent[pi1][pi2][pi3]);
+ }
+ else
+ {
+ rgprgulTriplePawnless[pi1][pi2][pi3] = (ULONG *) PvMalloc (462*sizeof (ULONG));
+ VInitTriple (rgprgulTriplePawnless[pi1][pi2][pi3], rgsTriKings,
+ rgcLegal[pi1], rgprgsqPiece[pi1],
+ rgcLegal[pi2], rgprgsqPiece[pi2],
+ rgcLegal[pi3], rgprgsqPiece[pi3],
+ &rgcTriplePawnless[pi1][pi2][pi3]);
+#if defined (T42_INCLUDE)
+ rgprgulTriplePawnPresent[pi1][pi2][pi3] = (ULONG *) PvMalloc (1806*sizeof (ULONG));
+ VInitTriple (rgprgulTriplePawnPresent[pi1][pi2][pi3], rgsHalfKings,
+ rgcLegal[pi1], rgprgsqPiece[pi1],
+ rgcLegal[pi2], rgprgsqPiece[pi2],
+ rgcLegal[pi3], rgprgsqPiece[pi3],
+ &rgcTriplePawnPresent[pi1][pi2][pi3]);
+#endif
+ }
+ }
+#endif
+ }
+ }
+
+ // All done!
+ if (fPrint)
+ {
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ printf ("%c - %d enumerated positions\n", "pPNBRQ"[pi1], rgcSinglePawnPresent[pi1]);
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ {
+ if (0 != rgcSinglePawnless[pi1])
+ printf ("pawnless %c - %d enumerated positions\n", "pPNBRQ"[pi1], rgcSinglePawnless[pi1]);
+ }
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ for (pi2 = x_pieceNone; pi2 <= pi1; pi2 = (piece) (pi2 + 1))
+ {
+ if (0 != rgcPairPawnPresent[pi1][pi2])
+ printf ("%c%c - %d enumerated positions\n", "pPNBRQ"[pi1], "pPNBRQ"[pi2],
+ rgcPairPawnPresent[pi1][pi2]);
+ }
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ for (pi2 = x_pieceNone; pi2 <= pi1; pi2 = (piece) (pi2 + 1))
+ {
+ if (0 != rgcPairPawnless[pi1][pi2])
+ printf ("pawnless %c%c - %d enumerated positions\n", "pPNBRQ"[pi1], "pPNBRQ"[pi2],
+ rgcPairPawnless[pi1][pi2]);
+ }
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ for (pi2 = x_pieceNone; pi2 <= pi1; pi2 = (piece) (pi2 + 1))
+ for (pi3 = x_pieceNone; pi3 <= pi2; pi3 = (piece) (pi3 + 1))
+ {
+ if (0 != rgcTriplePawnPresent[pi1][pi2][pi3])
+ printf ("%c%c%c - %d enumerated positions\n",
+ "pPNBRQ"[pi1], "pPNBRQ"[pi2], "pPNBRQ"[pi3],
+ rgcTriplePawnPresent[pi1][pi2][pi3]);
+ }
+ for (pi1 = x_pieceNone; pi1 <= x_pieceQueen; pi1 = (piece) (pi1 + 1))
+ for (pi2 = x_pieceNone; pi2 <= pi1; pi2 = (piece) (pi2 + 1))
+ for (pi3 = x_pieceNone; pi3 <= pi2; pi3 = (piece) (pi3 + 1))
+ {
+ if (0 != rgcTriplePawnless[pi1][pi2][pi3])
+ printf ("pawnless %c%c%c - %d enumerated positions\n",
+ "pPNBRQ"[pi1], "pPNBRQ"[pi2], "pPNBRQ"[pi3],
+ rgcTriplePawnless[pi1][pi2][pi3]);
+ }
+#endif
+ printf ("\nAllocated %dk\n\n", (cbAllocated + 1023)/1024);
+ }
+ }
+
+// Return enumeration of 2 kings and single piece
+
+template <int piw1, bool fPawns, bool fInvert> class TEnumerate1
+ {
+public:
+ static INLINE unsigned TB_FASTCALL Index
+ (
+ square sqwk,
+ square sqw1,
+ square sqbk
+ )
+ {
+ unsigned ind;
+ ULONG ulKings;
+
+ // For black pawn invert the board
+ if (piw1 <= x_piecePawn && fInvert)
+ {
+ sqwk = reflect_x(sqwk);
+ sqw1 = reflect_x(sqw1);
+ sqbk = reflect_x(sqbk);
+ }
+
+ // Get enumerated square
+ ind = rgprgsqPiece[piw1][sqbk*64+sqw1];
+#if defined (ILLEGAL_POSSIBLE)
+ if ((BYTE) -1 == ind)
+ return INF_SINGLE;
+#endif
+ // Get enumerated position of both kings
+ if (fPawns)
+ ulKings = rgsHalfKings[sqwk*64+sqbk]; // 0..1805
+ else
+ ulKings = rgsTriKings[sqwk*64+sqbk]; // 0..461
+#if defined (ILLEGAL_POSSIBLE)
+ if (INF == ulKings)
+ return INF_SINGLE;
+#endif
+ // Can we remove one extra square?
+ if ((piw1>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw1][sqbk*64+sqwk]))
+ ind -= (sqw1 > sqwk);
+ // Add enumerated square to the # of the preceeding positions
+ return ind + (fPawns ? rgprgulSinglePawnPresent[piw1][ulKings] : rgprgulSinglePawnless[piw1][ulKings]);
+ }
+ };
+
+// Return enumeration of 2 kings and 2 pieces
+
+template <int piw1, int piw2, bool fPawns, bool fInvert> class TEnumerate2
+ {
+public:
+ static INLINE unsigned TB_FASTCALL Index
+ (
+ square sqwk,
+ square sqw1,
+ square sqw2,
+ square sqbk
+ )
+ {
+ unsigned ind1, ind2, cInd2;
+ ULONG ulKings;
+
+ // For black pawn invert the board
+ if (piw2 <= x_piecePawn && fInvert)
+ {
+ sqwk = reflect_x(sqwk);
+ sqw1 = reflect_x(sqw1);
+ sqw2 = reflect_x(sqw2);
+ sqbk = reflect_x(sqbk);
+ }
+
+ // Get enumerated squares for both pieces
+ if (piw1 == piw2)
+ SORT (sqw1, sqw2);
+ ind1 = rgprgsqPiece[piw1][sqbk*64+sqw1];
+ ind2 = rgprgsqPiece[piw2][sqbk*64+sqw2];
+#if defined (ILLEGAL_POSSIBLE)
+ if ((BYTE) -1 == ind1 || (BYTE) -1 == ind2)
+ return INF_PAIR;
+#endif
+ // Get enumerated position of both kings
+ if (fPawns)
+ ulKings = rgsHalfKings[sqwk*64+sqbk]; // 0..1805
+ else
+ ulKings = rgsTriKings[sqwk*64+sqbk]; // 0..461
+#if defined (ILLEGAL_POSSIBLE)
+ if (INF == ulKings)
+ return INF_PAIR;
+#endif
+ if (piw1 == piw2)
+ {
+ // Can we remove one extra square?
+ if ((piw1>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw1][sqbk*64+sqwk]))
+ {
+ ind1 -= (sqw1 > sqwk);
+ ind2 -= (sqw2 > sqwk);
+ }
+ // Add enumerated squares to the # of the preceeding positions
+ return ind2*(ind2-1)/2 + ind1 +
+ (fPawns ? rgprgulPairPawnPresent[piw1][piw2][ulKings] : rgprgulPairPawnless[piw1][piw2][ulKings]);
+ }
+ else
+ {
+ // Can we remove WK square from 1st piece Enumeration?
+ if ((piw1>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw1][sqbk*64+sqwk]))
+ ind1 -= (sqw1 > sqwk);
+ // Get # of enumerated positions of 2nd piece
+ cInd2 = rgcLegal[piw2][sqbk];
+ // Can we remove WK square from 2nd piece Enumeration?
+ if ((piw2>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw2][sqbk*64+sqwk]))
+ {
+ cInd2 --;
+ ind2 -= (sqw2 > sqwk);
+ }
+ // Add enumerated square to the # of the preceeding positions
+ return cInd2*ind1 + ind2 + (fPawns ? rgprgulPairPawnPresent[piw1][piw2][ulKings] : rgprgulPairPawnless[piw1][piw2][ulKings]);
+ }
+ }
+ };
+
+#if defined (T41_INCLUDE) || defined (T42_INCLUDE)
+
+// Return enumeration of 2 kings and 3 pieces
+
+template <int piw1, int piw2, int piw3, bool fPawns, bool fInvert> class TEnumerate3
+ {
+public:
+ static INLINE unsigned TB_FASTCALL Index
+ (
+ square sqwk,
+ square sqw1,
+ square sqw2,
+ square sqw3,
+ square sqbk
+ )
+ {
+ unsigned ind1, ind2, ind3, cInd1, cInd2, cInd3;
+ ULONG ulKings;
+
+ // For black pawn invert the board
+ if (piw3 <= x_piecePawn && fInvert)
+ {
+ sqwk = reflect_x(sqwk);
+ sqw1 = reflect_x(sqw1);
+ sqw2 = reflect_x(sqw2);
+ sqw3 = reflect_x(sqw3);
+ sqbk = reflect_x(sqbk);
+ }
+
+ // Get enumerated squares for all pieces
+ if (piw1 == piw2 && piw1 == piw3)
+ {
+ SORT (sqw1, sqw2);
+ SORT (sqw2, sqw3);
+ SORT (sqw1, sqw2);
+ }
+ else if (piw1 == piw2)
+ {
+ SORT (sqw1, sqw2);
+ }
+ else if (piw2 == piw3)
+ {
+ SORT (sqw2, sqw3);
+ }
+ ind1 = rgprgsqPiece[piw1][sqbk*64+sqw1];
+ ind2 = rgprgsqPiece[piw2][sqbk*64+sqw2];
+ ind3 = rgprgsqPiece[piw3][sqbk*64+sqw3];
+#if defined (ILLEGAL_POSSIBLE)
+ if ((BYTE) -1 == ind1 || (BYTE) -1 == ind2 || (BYTE) -1 == ind3)
+ return INF_TRIPLE;
+#endif
+ // Get enumerated position of both kings
+ if (fPawns)
+ ulKings = rgsHalfKings[sqwk*64+sqbk]; // 0..1805
+ else
+ ulKings = rgsTriKings[sqwk*64+sqbk]; // 0..461
+#if defined (ILLEGAL_POSSIBLE)
+ if (INF == ulKings)
+ return INF_TRIPLE;
+#endif
+ if (piw1 == piw2 && piw2 == piw3)
+ {
+ // Can we remove one extra square?
+ if ((piw1>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw1][sqbk*64+sqwk]))
+ {
+ ind1 -= (sqw1 > sqwk);
+ ind2 -= (sqw2 > sqwk);
+ ind3 -= (sqw3 > sqwk);
+ }
+ // Add enumerated squares to the # of the preceeding positions
+ return ind3*(ind3-1)*(ind3-2)/6 + ind2*(ind2-1)/2 + ind1 +
+ (fPawns ? rgprgulTriplePawnPresent[piw1][piw2][piw3][ulKings] :
+ rgprgulTriplePawnless[piw1][piw2][piw3][ulKings]);
+ }
+ else if (piw1 == piw2)
+ {
+ // Can we remove one extra square?
+ if ((piw1>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw1][sqbk*64+sqwk]))
+ {
+ ind1 -= (sqw1 > sqwk);
+ ind2 -= (sqw2 > sqwk);
+ }
+ // Get # of enumerated positions of 3rd piece
+ cInd3 = rgcLegal[piw3][sqbk];
+ // Can we remove WK square from 3rd piece Enumeration?
+ if ((piw3>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw3][sqbk*64+sqwk]))
+ {
+ cInd3 --;
+ ind3 -= (sqw3 > sqwk);
+ }
+ // Add enumerated squares to the # of the preceeding positions
+ return (ind2*(ind2-1)/2 + ind1)*cInd3 + ind3 +
+ (fPawns ? rgprgulTriplePawnPresent[piw1][piw2][piw3][ulKings] :
+ rgprgulTriplePawnless[piw1][piw2][piw3][ulKings]);
+ }
+ else if (piw2 == piw3)
+ {
+ // Can we remove one extra square?
+ if ((piw2>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw2][sqbk*64+sqwk]))
+ {
+ ind2 -= (sqw2 > sqwk);
+ ind3 -= (sqw3 > sqwk);
+ }
+ // Get # of enumerated positions of 1st piece
+ cInd1 = rgcLegal[piw1][sqbk];
+ // Can we remove WK square from 3rd piece Enumeration?
+ if ((piw1>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw1][sqbk*64+sqwk]))
+ {
+ cInd1 --;
+ ind1 -= (sqw1 > sqwk);
+ }
+ // Add enumerated squares to the # of the preceeding positions
+ return (ind3*(ind3-1)/2 + ind2)*cInd1 + ind1 +
+ (fPawns ? rgprgulTriplePawnPresent[piw1][piw2][piw3][ulKings] :
+ rgprgulTriplePawnless[piw1][piw2][piw3][ulKings]);
+ }
+ else
+ {
+ // Can we remove WK square from 1st piece Enumeration?
+ if ((piw1>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw1][sqbk*64+sqwk]))
+ ind1 -= (sqw1 > sqwk);
+ // Get # of enumerated positions of 2nd piece
+ cInd2 = rgcLegal[piw2][sqbk];
+ // Can we remove WK square from 2nd piece Enumeration?
+ if ((piw2>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw2][sqbk*64+sqwk]))
+ {
+ cInd2 --;
+ ind2 -= (sqw2 > sqwk);
+ }
+ // Get # of enumerated positions of 3rd piece
+ cInd3 = rgcLegal[piw3][sqbk];
+ // Can we remove WK square from 3rd piece Enumeration?
+ if ((piw3>x_pieceKnight) || ((BYTE)-1 != rgprgsqPiece[piw3][sqbk*64+sqwk]))
+ {
+ cInd3 --;
+ ind3 -= (sqw3 > sqwk);
+ }
+ // Add enumerated square to the # of the preceeding positions
+ return cInd3*(cInd2*ind1 + ind2) + ind3 +
+ (fPawns ? rgprgulTriplePawnPresent[piw1][piw2][piw3][ulKings] :
+ rgprgulTriplePawnless[piw1][piw2][piw3][ulKings]);
+ }
+ }
+ };
+
+#endif
+
+// Enumerate en passant captures
+
+static INLINE unsigned TB_FASTCALL IndEnPassant11W
+ (
+ square sqw,
+ square sqb,
+ square sqEnP
+ )
+ {
+ assert (sqb+8 == sqEnP);
+ if (sqw+7 == sqEnP)
+ // Capture to the left
+ return (sqw&7)-1;
+ else
+ {
+ // Capture to the right
+ assert (sqw+9 == sqEnP);
+ return (sqw&7)+7;
+ }
+ }
+
+static INLINE unsigned TB_FASTCALL IndEnPassant11B
+ (
+ square sqw,
+ square sqb,
+ square sqEnP
+ )
+ {
+ assert (sqw-8 == sqEnP);
+ if (sqb-9 == sqEnP)
+ // Capture to the left
+ return (sqb&7)-1;
+ else
+ {
+ // Capture to the right
+ assert (sqb-7 == sqEnP);
+ return (sqb&7)+7;
+ }
+ }
+
+static INLINE unsigned TB_FASTCALL IndEnPassant21W
+ (
+ square sqw1,
+ square sqw2,
+ square sqb,
+ square sqEnP
+ )
+ {
+ assert (sqb+8 == sqEnP);
+ SORT (sqw1, sqw2);
+ if (sqw1+7 == sqEnP && 0 != TbColumn(sqw1))
+ // Capture to the left
+ return (sqw1&7)-1+(EXCLUDE3(sqw2,sqb,sqEnP,sqEnP+8)-i8-1)*i14;
+ else if (sqw1+9 == sqEnP && 7 != TbColumn(sqw1))
+ // Capture to the right
+ return (sqw1&7)+7+(EXCLUDE3(sqw2,sqb,sqEnP,sqEnP+8)-i8-1)*i14;
+ else if (sqw2+7 == sqEnP && 0 != TbColumn(sqw2))
+ // Capture to the left
+ return (sqw2&7)-1+(EXCLUDE3(sqw1,sqb,sqEnP,sqEnP+8)-i8)*i14;
+ else
+ {
+ // Capture to the right
+ assert (sqw2+9 == sqEnP && 7 != TbColumn(sqw2));
+ return (sqw2&7)+7+(EXCLUDE3(sqw1,sqb,sqEnP,sqEnP+8)-i8)*i14;
+ }
+ }
+
+static INLINE unsigned TB_FASTCALL IndEnPassant21B
+ (
+ square sqw1,
+ square sqw2,
+ square sqb,
+ square sqEnP
+ )
+ {
+ assert (sqw1 < sqw2); // Must be already sorted
+ if (sqb-9 == sqEnP && 0 != TbColumn(sqb))
+ // Capture to the left
+ if (sqw1-8 == sqEnP)
+ return (sqb&7)-1+(EXCLUDE3(sqw2,sqb,sqEnP,sqEnP-8)-i8-1)*i14;
+ else
+ {
+ assert (sqw2-8 == sqEnP);
+ return (sqb&7)-1+(EXCLUDE3(sqw1,sqb,sqEnP,sqEnP-8)-i8)*i14;
+ }
+ else
+ {
+ // Capture to the right
+ assert (sqb-7 == sqEnP && 7 != TbColumn(sqb));
+ if (sqw1-8 == sqEnP)
+ return (sqb&7)+7+(EXCLUDE3(sqw2,sqb,sqEnP,sqEnP-8)-i8-1)*i14;
+ else
+ {
+ assert (sqw2-8 == sqEnP);
+ return (sqb&7)+7+(EXCLUDE3(sqw1,sqb,sqEnP,sqEnP-8)-i8)*i14;
+ }
+ }
+ }
+
+static INLINE unsigned TB_FASTCALL IndEnPassant12W
+ (
+ square sqw,
+ square sqb1,
+ square sqb2,
+ square sqEnP
+ )
+{
+ if(sqb2+8 == sqEnP)
+ SWAP(sqb1, sqb2);
+
+ assert(sqb1+8 == sqEnP);
+
+ if (sqw+7 == sqEnP && 0 != TbColumn(sqw))
+ // Capture to the left
+ return TbColumn(sqw)-1+(EXCLUDE4(sqb2,sqb1,sqw,sqEnP,sqEnP+8)-i8)*i14;
+
+ assert(sqw+9 == sqEnP && 7 != TbColumn(sqw));
+
+ // Capture to the right
+ return TbColumn(sqw)+7 + (EXCLUDE4(sqb2,sqb1,sqw,sqEnP,sqEnP+8)-i8)*i14;
+}
+
+static INLINE unsigned TB_FASTCALL IndEnPassant12B
+ (
+ square sqw,
+ square sqb1,
+ square sqb2,
+ square sqEnP
+ )
+{
+ assert(sqw-8 == sqEnP);
+
+ SORT(sqb1, sqb2);
+
+ if(sqb1-9 == sqEnP && 0 != TbColumn(sqb1))
+ // Capture to the left
+ return TbColumn(sqb1) - 1 + (sqb2-i8-4)*i14;
+ else if(sqb1-7 == sqEnP && 7 != TbColumn(sqb1))
+ // Capture to the right
+ return TbColumn(sqb1) + 7 + (sqb2-i8-4)*i14;
+ else if(sqb2-9 == sqEnP && 0 != TbColumn(sqb2))
+ // Capture to the left
+ return TbColumn(sqb2) - 1 + (EXCLUDE2(sqb1,sqEnP,sqEnP-8)-i8)*i14;
+
+ // Capture to the right
+ assert(sqb2-7 == sqEnP && 7 != TbColumn(sqb2));
+ return TbColumn(sqb2) + 7 + (EXCLUDE2(sqb1,sqEnP,sqEnP-8)-i8)*i14;
+}
+
+static INLINE unsigned TB_FASTCALL IndEnPassant22W
+ (
+ square sqw1,
+ square sqw2,
+ square sqb1,
+ square sqb2,
+ square sqEnP
+ )
+{
+ square sqEmptyEnP = sqEnP + 8;
+
+ if(sqb2+8== sqEnP)
+ SWAP(sqb1, sqb2);
+
+ assert(sqb1+8 == sqEnP);
+
+ SORT(sqw1, sqw2);
+
+ if (sqw1+7 == sqEnP && 0 != TbColumn(sqw1))
+ // Capture to the left
+ return TbColumn(sqw1)-1+
+ (EXCLUDE2(sqw2,sqEnP,sqEmptyEnP)-i8-2)*i14+
+ (EXCLUDE5(sqb2,sqb1,sqw1,sqw2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+ else if (sqw1+9 == sqEnP && 7 != TbColumn(sqw1))
+ // Capture to the right
+ return TbColumn(sqw1)+7+
+ (EXCLUDE2(sqw2,sqEnP,sqEmptyEnP)-i8-2)*i14+
+ (EXCLUDE5(sqb2,sqb1,sqw1,sqw2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+ else if (sqw2+7 == sqEnP && 0 != TbColumn(sqw2))
+ // Capture to the left
+ return TbColumn(sqw2)-1+
+ (sqw1-i8)*i14+
+ (EXCLUDE5(sqb2,sqb1,sqw1,sqw2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+
+ // Capture to the right
+ assert(sqw2+9 == sqEnP && 7 != TbColumn(sqw2));
+ return TbColumn(sqw2)+7+
+ (sqw1-i8)*i14+
+ (EXCLUDE5(sqb2,sqb1,sqw1,sqw2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+}
+
+static INLINE unsigned TB_FASTCALL IndEnPassant22B
+ (
+ square sqw1,
+ square sqw2,
+ square sqb1,
+ square sqb2,
+ square sqEnP
+ )
+{
+ square sqEmptyEnP = sqEnP - 8;
+
+ if(sqw2-8 == sqEnP)
+ SWAP(sqw1, sqw2);
+
+ assert(sqw1-8 == sqEnP);
+
+ SORT(sqb1, sqb2);
+
+ if (sqb1-9 == sqEnP && 0 != TbColumn(sqb1))
+ // Capture to the left
+ return TbColumn(sqb1)-1+
+ (sqb2-i8-4)*i14+
+ (EXCLUDE5(sqw2,sqw1,sqb1,sqb2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+ else if (sqb1-7 == sqEnP && 7 != TbColumn(sqb1))
+ // Capture to the right
+ return TbColumn(sqb1)+7+
+ (sqb2-i8-4)*i14+
+ (EXCLUDE5(sqw2,sqw1,sqb1,sqb2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+ else if (sqb2-9 == sqEnP && 0 != TbColumn(sqb2))
+ // Capture to the left
+ return TbColumn(sqb2)-1+
+ (EXCLUDE2(sqb1,sqEnP,sqEmptyEnP)-i8)*i14+
+ (EXCLUDE5(sqw2,sqw1,sqb1,sqb2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+
+ // Capture to the right
+ assert(sqb2-7 == sqEnP && 7 != TbColumn(sqb2));
+ return TbColumn(sqb2)+7+
+ (EXCLUDE2(sqb1,sqEnP,sqEmptyEnP)-i8)*i14+
+ (EXCLUDE5(sqw2,sqw1,sqb1,sqb2,sqEnP,sqEmptyEnP)-i8)*(i14*i44);
+}
+
+static INLINE unsigned TB_FASTCALL IndEnPassant31W
+ (
+ square sqw1,
+ square sqw2,
+ square sqw3,
+ square sqb,
+ square sqEnP
+ )
+{
+ square sqEmptyEnP = sqEnP + 8;
+
+ assert(sqb + 8 == sqEnP);
+
+ SORT (sqw1, sqw2);
+ SORT (sqw2, sqw3);
+ SORT (sqw1, sqw2);
+
+ if (sqw1+7 == sqEnP && 0 != TbColumn(sqw1)) {
+ // Capture to the left
+ sqw3 = EXCLUDE2(sqw3,sqEnP,sqEmptyEnP)-i8-2;
+ return TbColumn(sqw1)-1+
+ (EXCLUDE2(sqw2,sqEnP,sqEmptyEnP)-i8-2)*i14+
+ (sqw3*(sqw3-1)/2)*i14;
+ }
+ else if (sqw1+9 == sqEnP && 7 != TbColumn(sqw1)) {
+ // Capture to the right
+ sqw3 = EXCLUDE2(sqw3,sqEnP,sqEmptyEnP)-i8-2;
+ return TbColumn(sqw1)+7+
+ (EXCLUDE2(sqw2,sqEnP,sqEmptyEnP)-i8-2)*i14+
+ (sqw3*(sqw3-1)/2)*i14;
+ }
+ else if (sqw2+7 == sqEnP && 0 != TbColumn(sqw2)) {
+ // Capture to the left
+ sqw3 = EXCLUDE2(sqw3,sqEnP,sqEmptyEnP)-i8-2;
+ return TbColumn(sqw2)-1+
+ (sqw1-i8)*i14+
+ (sqw3*(sqw3-1)/2)*i14;
+ }
+ else if (sqw2+9 == sqEnP && 7 != TbColumn(sqw2)) {
+ // Capture to the right
+ sqw3 = EXCLUDE2(sqw3,sqEnP,sqEmptyEnP)-i8-2;
+ return TbColumn(sqw2)+7+
+ (sqw1-i8)*i14+
+ (sqw3*(sqw3-1)/2)*i14;
+ }
+ else if (sqw3+7 == sqEnP && 0 != TbColumn(sqw3)) {
+ // Capture to the left
+ sqw2 = sqw2-i8;
+ return TbColumn(sqw3)-1+
+ (sqw1-i8)*i14+
+ (sqw2*(sqw2-1)/2)*i14;
+ }
+ else {
+ // Capture to the right
+ sqw2 = sqw2-i8;
+ return TbColumn(sqw3)+7+
+ (sqw1-i8)*i14+
+ (sqw2*(sqw2-1)/2)*i14;
+ }
+}
+
+static INLINE unsigned TB_FASTCALL IndEnPassant31B
+ (
+ square sqw1,
+ square sqw2,
+ square sqw3,
+ square sqb,
+ square sqEnP
+ )
+{
+ square sqEmptyEnP = sqEnP - 8;
+
+ if(sqw2 - 8 == sqEnP)
+ SWAP(sqw1, sqw2);
+ if(sqw3 - 8 == sqEnP)
+ SWAP(sqw1, sqw3);
+
+ assert(sqw1 - 8 == sqEnP);
+
+ SORT(sqw2, sqw3);
+
+ if(sqb - 9 == sqEnP && 0 != TbColumn(sqb)) {
+ sqw3 = EXCLUDE4(sqw3,sqw1,sqb,sqEnP,sqEmptyEnP)-i8;
+ return TbColumn(sqb)-1+
+ (EXCLUDE4(sqw2,sqw1,sqb,sqEnP,sqEmptyEnP)-i8)*i14+
+ (sqw3*(sqw3-1)/2)*i14;
+ }
+ else {
+ assert(sqb - 7 == sqEnP && 7 != TbColumn(sqb));
+ sqw3 = EXCLUDE4(sqw3,sqw1,sqb,sqEnP,sqEmptyEnP)-i8;
+ return TbColumn(sqb)+7+
+ (EXCLUDE4(sqw2,sqw1,sqb,sqEnP,sqEmptyEnP)-i8)*i14+
+ (sqw3*(sqw3-1)/2)*i14;
+ }
+}
+
+// Index calculation functions for different endgame classes
+
+template <int piw1> class T21
+ {
+public:
+ static INDEX TB_FASTCALL IndCalcW
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqbk, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindOne (psqW, piw1);
+ sqbk = SqFindKing (psqB);
+
+ if (x_piecePawn == piw1)
+ sqMask = rgsqReflectMaskY [sqwk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqwk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+
+ if (x_piecePawn != piw1)
+ {
+ // No pawn
+ if (! FInTriangle (sqwk, sqbk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqbk = reflect_xy(sqbk);
+ sqw1 = reflect_xy(sqw1);
+ };
+ }
+ return TEnumerate1<piw1,x_piecePawn==piw1 ? true : false,false>::Index(sqwk,sqw1,sqbk);
+ }
+
+ static INDEX TB_FASTCALL IndCalcB
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqbk, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindOne (psqW, piw1);
+ sqbk = SqFindKing (psqB);
+
+ if (x_piecePawn == piw1)
+ sqMask = rgsqReflectMaskY [sqbk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqbk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+
+ if (x_piecePawn == piw1)
+ return TEnumerate1<x_pieceNone,true,true>::Index(sqbk,sqw1,sqwk);
+ else
+ {
+ // No pawn
+ if (! FInTriangle (sqbk, sqwk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqbk = reflect_xy(sqbk);
+ sqw1 = reflect_xy(sqw1);
+ };
+ return IndTriKings(sqbk,sqwk)*i62 + EXCLUDE2(sqw1,sqwk,sqbk);
+ }
+ }
+ };
+
+template <int piw1, int pib1> class T22
+ {
+public:
+ static INDEX TB_FASTCALL IndCalcW
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqbk, sqb1, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindOne (psqW, piw1);
+ sqbk = SqFindKing (psqB);
+ sqb1 = SqFindOne (psqB, pib1);
+
+ if (x_piecePawn == pib1)
+ sqMask = rgsqReflectMaskY [sqwk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqwk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqb1 ^= sqMask;
+
+ if (x_piecePawn == pib1)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == piw1)
+ {
+ // One white and one black pawn
+ if (XX == sqEnP)
+ return TEnumerate1<x_piecePawn,true,false>::Index(sqwk,sqw1,sqbk)*i47 +
+ EXCLUDE1(sqb1,sqw1)-i8; // 47
+ else
+ return rgcSinglePawnPresent[x_piecePawn]*i47 +
+ IndHalfKings(sqwk,sqbk)*i14 +
+ IndEnPassant11W (sqw1, sqb1, sqEnP ^ sqMask);
+ }
+ else
+ // Only black pawn
+ return TEnumerate1<piw1,true,false>::Index(sqwk,sqw1,sqbk)*i48 + sqb1-i8;
+ }
+ else
+ {
+ // No pawns at all
+ if (!FInTriangle (sqwk, sqbk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqbk = reflect_xy(sqbk);
+ sqw1 = reflect_xy(sqw1);
+ sqb1 = reflect_xy(sqb1);
+ };
+ return TEnumerate1<piw1,false,false>::Index(sqwk,sqw1,sqbk)*i61 +
+ EXCLUDE3(sqb1,sqwk,sqbk,sqw1); // 61
+ }
+ }
+
+ static INDEX TB_FASTCALL IndCalcB
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqbk, sqb1, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindOne (psqW, piw1);
+ sqbk = SqFindKing (psqB);
+ sqb1 = SqFindOne (psqB, pib1);
+
+ if (x_piecePawn == pib1)
+ sqMask = rgsqReflectMaskY [sqbk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqbk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqb1 ^= sqMask;
+
+ if (x_piecePawn == pib1)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == piw1)
+ {
+ // One white and one black pawn
+ if (XX == sqEnP)
+ return TEnumerate1<x_piecePawn,true,true>::Index(sqbk,sqb1,sqwk)*i47 +
+ EXCLUDE1(sqw1,sqb1)-i8; // 47
+ else
+ return rgcSinglePawnPresent[x_piecePawn]*i47 +
+ IndHalfKings(sqbk,sqwk)*i14 +
+ IndEnPassant11B (sqw1, sqb1, sqEnP ^ sqMask);
+ }
+ }
+ else
+ {
+ // No pawns at all
+ if (!FInTriangle (sqbk, sqwk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqbk = reflect_xy(sqbk);
+ sqw1 = reflect_xy(sqw1);
+ sqb1 = reflect_xy(sqb1);
+ };
+ }
+ return (x_piecePawn == pib1 ? TEnumerate1<pib1,true,true>::Index(sqbk,sqb1,sqwk) :
+ TEnumerate1<pib1,false,false>::Index(sqbk,sqb1,sqwk))*i61 +
+ EXCLUDE3(sqw1,sqwk,sqbk,sqb1); // 61
+ }
+ };
+
+template <int piw1, int piw2> class T31
+ {
+public:
+ static INDEX TB_FASTCALL IndCalcW
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqbk, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ if (piw1 == piw2)
+ {
+ sqw1 = SqFindFirst (psqW, piw1);
+ sqw2 = SqFindSecond (psqW, piw2);
+ }
+ else
+ {
+ SqFind2 (psqW, piw1, sqw1, piw2, sqw2);
+ }
+ sqbk = SqFindKing (psqB);
+
+ if (x_piecePawn == piw2)
+ sqMask = rgsqReflectMaskY [sqwk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqwk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+
+ if (x_piecePawn != piw2)
+ {
+ // There are no pawns on the board
+ if (!FInTriangle (sqwk, sqbk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqbk = reflect_xy(sqbk);
+ };
+ }
+ return TEnumerate2<piw1, piw2, x_piecePawn==piw2 ? true : false, false>::Index(sqwk, sqw1, sqw2, sqbk);
+ }
+
+ static INDEX TB_FASTCALL IndCalcB
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqbk, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ if (piw1 == piw2)
+ {
+ sqw1 = SqFindFirst (psqW, piw1);
+ sqw2 = SqFindSecond (psqW, piw2);
+ }
+ else
+ {
+ SqFind2 (psqW, piw1, sqw1, piw2, sqw2);
+ }
+ sqbk = SqFindKing (psqB);
+
+ if (x_piecePawn == piw2)
+ sqMask = rgsqReflectMaskY [sqbk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqbk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+
+ if (x_piecePawn == piw2)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == piw1)
+ // Two white pawns
+ return TEnumerate2<x_pieceNone,x_pieceNone,true,true>::Index(sqbk,sqw1,sqw2,sqwk);
+ else
+ // Only one white pawn
+ return TEnumerate1<x_pieceNone,true,true>::Index(sqbk,sqw2,sqwk)*i61 +
+ EXCLUDE3(sqw1,sqwk,sqbk,sqw2); // 61
+ }
+ else
+ {
+ // No pawns
+ if (!FInTriangle (sqbk, sqwk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqbk = reflect_xy(sqbk);
+ };
+ if (piw1 == piw2)
+ {
+ SORT (sqw1, sqw2);
+ sqw2 = EXCLUDE2(sqw2,sqwk,sqbk); // 62
+ return IndTriKings(sqbk,sqwk)*(i62*i61/2) +
+ sqw2*(sqw2-1)/2+EXCLUDE2(sqw1,sqwk,sqbk); // 62*61/2
+ }
+ else
+ return IndTriKings(sqbk,sqwk)*(i62*i61) +
+ EXCLUDE2(sqw1,sqwk,sqbk)*i61 + // 62
+ EXCLUDE3(sqw2,sqwk,sqbk,sqw1); // 61
+ }
+ }
+ };
+
+template <int piw1, int piw2, int pib1> class T32
+ {
+public:
+ static INDEX TB_FASTCALL IndCalcW
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqbk, sqb1, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ if (piw1 == piw2)
+ {
+ sqw1 = SqFindFirst (psqW, piw1);
+ sqw2 = SqFindSecond (psqW, piw2);
+ }
+ else
+ {
+ SqFind2 (psqW, piw1, sqw1, piw2, sqw2);
+ }
+ sqbk = SqFindKing (psqB);
+ sqb1 = SqFindOne (psqB, pib1);
+
+ if (x_piecePawn == piw2 || x_piecePawn == pib1)
+ sqMask = rgsqReflectMaskY [sqwk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqwk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqb1 ^= sqMask;
+
+ if (x_piecePawn == piw2 || x_piecePawn == pib1)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == pib1)
+ {
+ // Black pawn
+ if (x_piecePawn == piw1 && x_piecePawn == piw2)
+ {
+ // All 3 pieces are pawns
+ if (XX == sqEnP)
+ return TEnumerate2<x_piecePawn,x_piecePawn,true,false>::
+ Index(sqwk,sqw1,sqw2,sqbk)*i46+
+ EXCLUDE2(sqb1,sqw1,sqw2)-i8; // 46
+ else
+ // En passant capture
+ return rgcPairPawnPresent[x_piecePawn][x_piecePawn]*i46 +
+ IndHalfKings(sqwk,sqbk)*(i14*i44) +
+ IndEnPassant21W (sqw1, sqw2, sqb1, sqEnP ^ sqMask);
+ }
+ else if (x_piecePawn == piw2)
+ {
+ // One white pawn, one black pawn
+ if (XX == sqEnP)
+ return TEnumerate2<piw1,x_piecePawn,true,false>::
+ Index(sqwk,sqw1,sqw2,sqbk)*i47 +
+ EXCLUDE1(sqb1,sqw2)-i8; // 47
+ else
+ // En passant capture
+ return rgcPairPawnPresent[piw1][x_piecePawn]*i47 +
+ TEnumerate1<piw1,true,false>::Index(sqwk,sqw1,sqbk)*i14 +
+ IndEnPassant11W (sqw2, sqb1, sqEnP ^ sqMask);
+ }
+ else
+ // Only black pawn
+ return TEnumerate2<piw1,piw2,true,false>::
+ Index(sqwk,sqw1,sqw2,sqbk)*i48 +
+ sqb1-i8; // 48
+ }
+ }
+ else
+ {
+ // No pawns
+ if (!FInTriangle (sqwk, sqbk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqbk = reflect_xy(sqbk);
+ sqb1 = reflect_xy(sqb1);
+ };
+ }
+ return TEnumerate2<piw1,piw2,(x_piecePawn==piw2||x_piecePawn==pib1) ? true : false,false>::
+ Index(sqwk,sqw1,sqw2,sqbk)*i60 +
+ EXCLUDE4(sqb1,sqwk,sqbk,sqw1,sqw2); // 60
+ }
+
+ static INDEX TB_FASTCALL IndCalcB
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqbk, sqb1, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ if (piw1 == piw2)
+ {
+ sqw1 = SqFindFirst (psqW, piw1);
+ sqw2 = SqFindSecond (psqW, piw2);
+ }
+ else
+ {
+ SqFind2 (psqW, piw1, sqw1, piw2, sqw2);
+ }
+ sqbk = SqFindKing (psqB);
+ sqb1 = SqFindOne (psqB, pib1);
+
+ if (x_piecePawn == piw2 || x_piecePawn == pib1)
+ sqMask = rgsqReflectMaskY [sqbk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqbk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqb1 ^= sqMask;
+
+ if (x_piecePawn == piw2 || x_piecePawn == pib1)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == pib1)
+ {
+ // Black pawn
+ if (x_piecePawn == piw1 && x_piecePawn == piw2)
+ {
+ // All 3 pieces are pawns
+ SORT (sqw1, sqw2);
+ if (XX == sqEnP)
+ {
+ sqw2 = EXCLUDE1(sqw2,sqb1)-i8; // 47
+ return TEnumerate1<x_piecePawn,true,true>::
+ Index(sqbk,sqb1,sqwk)*(i47*i46/2) +
+ sqw2*(sqw2-1)/2+EXCLUDE1(sqw1,sqb1)-i8; // 47*46/2
+ }
+ else
+ // En passant capture
+ return rgcSinglePawnPresent[x_piecePawn]*(i47*i46/2) +
+ IndHalfKings(sqbk,sqwk)*(i44*i14) +
+ IndEnPassant21B (sqw1, sqw2, sqb1, sqEnP ^ sqMask);
+ }
+ else if (x_piecePawn == piw2)
+ {
+ // One white pawn, one black pawn
+ if (XX == sqEnP)
+ return TEnumerate1<x_piecePawn,true,true>::
+ Index(sqbk,sqb1,sqwk)*(i60*i47) +
+ EXCLUDE4(sqw1,sqwk,sqbk,sqw2,sqb1)*i47 + // 60
+ EXCLUDE1(sqw2,sqb1)-i8; // 47
+ else
+ {
+ // En passant capture
+ sqEnP ^= sqMask;
+ return rgcSinglePawnPresent[x_piecePawn]*(i60*i47) +
+ IndHalfKings(sqbk,sqwk)*(i58*i14) +
+ EXCLUDE6(sqw1,sqwk,sqbk,sqw2,sqb1,sqEnP,sqEnP-8)*i14 + // 58
+ IndEnPassant11B (sqw2, sqb1, sqEnP);
+ }
+ }
+ else
+ {
+ // Only black pawn
+ if (piw1 == piw2)
+ {
+ // 2 identical white pieces
+ SORT (sqw1, sqw2);
+ sqw2 = EXCLUDE3(sqw2,sqwk,sqbk,sqb1); // 61
+ return TEnumerate1<x_piecePawn,true,true>::
+ Index(sqbk,sqb1,sqwk)*(i61*i60/2) +
+ sqw2*(sqw2-1)/2 + EXCLUDE3(sqw1,sqwk,sqbk,sqb1); // 61*60/2
+ }
+ return TEnumerate1<x_piecePawn,true,true>::
+ Index(sqbk,sqb1,sqwk)*(i61*i60) +
+ EXCLUDE3(sqw1,sqwk,sqbk,sqb1)*i60 + // 61
+ EXCLUDE4(sqw2,sqwk,sqbk,sqw1,sqb1); // 60
+ }
+ }
+ else
+ {
+ // No black pawn
+ if (x_piecePawn == piw1)
+ {
+ // Only 2 white pawns
+ SORT (sqw1, sqw2);
+ sqw2 -= i8;
+ return TEnumerate1<pib1,true,true>::
+ Index(sqbk,sqb1,sqwk)*(i48*47/2) +
+ sqw2*(sqw2-1)/2+sqw1-i8; // 48*47/2
+ }
+ else
+ // Only one white pawn
+ return TEnumerate1<pib1,true,true>::
+ Index(sqbk,sqb1,sqwk)*(i60*i48) +
+ EXCLUDE4(sqw1,sqwk,sqbk,sqw2,sqb1)*i48 + // 60
+ sqw2-i8; // 48
+ }
+ }
+ else
+ {
+ // No pawns
+ if (!FInTriangle (sqbk, sqwk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqbk = reflect_xy(sqbk);
+ sqb1 = reflect_xy(sqb1);
+ };
+ if (piw1 == piw2)
+ {
+ // 2 identical white pieces
+ SORT (sqw1, sqw2);
+ sqw2 = EXCLUDE3(sqw2,sqwk,sqbk,sqb1); // 61
+ return TEnumerate1<pib1,false,false>::
+ Index(sqbk,sqb1,sqwk)*(i61*i60/2) +
+ sqw2*(sqw2-1)/2+EXCLUDE3(sqw1,sqwk,sqbk,sqb1); // 61*60/2
+ }
+ else
+ return TEnumerate1<pib1,false,false>::
+ Index(sqbk,sqb1,sqwk)*(i61*i60) +
+ EXCLUDE3(sqw1,sqwk,sqbk,sqb1)*i60 + // 61
+ EXCLUDE4(sqw2,sqwk,sqbk,sqw1,sqb1); // 60
+ }
+ }
+ };
+
+#if defined (T41_INCLUDE)
+
+template <int piw1, int piw2, int piw3> class T41
+ {
+public:
+ static INDEX TB_FASTCALL IndCalcW
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqw3, sqbk, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindFirst (psqW, piw1);
+ if (piw1 == piw2 && piw2 == piw3)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindThird (psqW, piw3);
+ }
+ else if (piw1 == piw2)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ else if (piw2 == piw3)
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindSecond (psqW, piw3);
+ }
+ else
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ sqbk = SqFindKing (psqB);
+
+ if (x_piecePawn == piw3)
+ sqMask = rgsqReflectMaskY [sqwk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqwk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqw3 ^= sqMask;
+
+ if (x_piecePawn != piw3)
+ {
+ // No pawns
+ if (!FInTriangle (sqwk, sqbk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqw3 = reflect_xy(sqw3);
+ sqbk = reflect_xy(sqbk);
+ };
+ }
+ return TEnumerate3<piw1,piw2,piw3,x_piecePawn == piw3,false>::Index(sqwk,sqw1,sqw2,sqw3,sqbk);
+ }
+
+ static INDEX TB_FASTCALL IndCalcB
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqw3, sqbk, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindFirst (psqW, piw1);
+ if (piw1 == piw2 && piw2 == piw3)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindThird (psqW, piw3);
+ }
+ else if (piw1 == piw2)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ else if (piw2 == piw3)
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindSecond (psqW, piw3);
+ }
+ else
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ sqbk = SqFindKing (psqB);
+
+ if (x_piecePawn == piw3)
+ sqMask = rgsqReflectMaskY [sqbk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqbk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqw3 ^= sqMask;
+
+ if (x_piecePawn == piw3)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == piw1)
+ // 3 white pawns
+ return TEnumerate3<x_pieceNone,x_pieceNone,x_pieceNone,true,true>::
+ Index(sqbk,sqw1,sqw2,sqw3,sqwk);
+ else if (x_piecePawn == piw2)
+ // 2 white pawns
+ return TEnumerate2<x_pieceNone,x_pieceNone,true,true>::
+ Index(sqbk,sqw2,sqw3,sqwk)*i60 +
+ EXCLUDE4(sqw1,sqwk,sqbk,sqw2,sqw3); // 60
+ else if (piw1 == piw2)
+ {
+ // 1 pawn, 2 pieces equal
+ SORT (sqw1, sqw2);
+ sqw2 = EXCLUDE3(sqw2,sqwk,sqbk,sqw3); // 61
+ return TEnumerate1<x_pieceNone,true,true>::
+ Index(sqbk,sqw3,sqwk)*(i61*i60/2) +
+ sqw2*(sqw2-1)/2+EXCLUDE3(sqw1,sqwk,sqbk,sqw3); // 61*60/2
+ }
+ else
+ // Only one white pawn
+ return TEnumerate1<x_pieceNone,true,true>::Index(sqbk,sqw3,sqwk)*i61*i60 +
+ EXCLUDE3(sqw1,sqwk,sqbk,sqw3)*i60 + // 61
+ EXCLUDE4(sqw2,sqwk,sqbk,sqw1,sqw3); // 60
+ }
+ else
+ {
+ // No pawns
+ if (!FInTriangle (sqbk, sqwk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqw3 = reflect_xy(sqw3);
+ sqbk = reflect_xy(sqbk);
+ };
+ if (piw1 == piw2 && piw2 == piw3)
+ {
+ // All 3 pieces equal
+ SORT (sqw1, sqw2);
+ SORT (sqw2, sqw3);
+ SORT (sqw1, sqw2);
+ sqw3 = EXCLUDE2(sqw3,sqwk,sqbk); // 62
+ sqw2 = EXCLUDE2(sqw2,sqwk,sqbk);
+ return IndTriKings(sqbk,sqwk)*(i62*i61*i60/6) +
+ sqw3*(sqw3-1)*(sqw3-2)/6+
+ sqw2*(sqw2-1)/2+
+ EXCLUDE2(sqw1,sqwk,sqbk); // 62*61*60/6
+ }
+ else if (piw1 == piw2)
+ {
+ // 2 major pieces equal
+ SORT (sqw1, sqw2);
+ sqw2 = EXCLUDE3(sqw2,sqwk,sqbk,sqw3); // 61
+ return IndTriKings(sqbk,sqwk)*(i61*i60/2*i62) +
+ (sqw2*(sqw2-1)/2+EXCLUDE3(sqw1,sqwk,sqbk,sqw3))*i62 + // 61*60/2
+ EXCLUDE2(sqw3,sqwk,sqbk); // 62
+ }
+ else if (piw2 == piw3)
+ {
+ // 2 minor pieces equal
+ SORT (sqw2, sqw3);
+ sqw3 = EXCLUDE3(sqw3,sqwk,sqbk,sqw1); // 61
+ return IndTriKings(sqbk,sqwk)*(i62*i61*i60/2) +
+ EXCLUDE2(sqw1,sqwk,sqbk)*(i61*i60/2) + // 62
+ sqw3*(sqw3-1)/2+EXCLUDE3(sqw2,sqwk,sqbk,sqw1); // 61*60/2
+ }
+ else
+ return IndTriKings(sqbk,sqwk)*(i62*i61*i60) +
+ EXCLUDE2(sqw1,sqwk,sqbk)*(i61*i60) + // 62
+ EXCLUDE3(sqw2,sqwk,sqbk,sqw1)*i60 + // 61
+ EXCLUDE4(sqw3,sqwk,sqbk,sqw1,sqw2); // 60
+ }
+ }
+ };
+
+#endif // T41
+
+#if defined (ILLEGAL_POSSIBLE)
+
+#define CHECK_INF_SINGLE(ind)\
+ if (INF_SINGLE == ind)\
+ return (INDEX) -1;\
+
+#define CHECK_INF_PAIR(ind)\
+ if (INF_PAIR == ind)\
+ return (INDEX) -1;\
+
+#define CHECK_INF_TRIPLE(ind)\
+ if (INF_TRIPLE == ind)\
+ return (INDEX) -1;\
+
+#else
+
+#define CHECK_INF_SINGLE(ind)
+#define CHECK_INF_PAIR(ind)
+#define CHECK_INF_TRIPLE(ind)
+
+#endif
+
+#if defined (T33_INCLUDE)
+
+template <int piw1, int piw2, int pib1, int pib2> class T33
+{
+public:
+ static INDEX TB_FASTCALL IndCalcW
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqbk, sqb1, sqb2, sqMask;
+ unsigned uInd;
+
+ sqwk = SqFindKing (psqW);
+ if (piw1 == piw2) {
+ sqw1 = SqFindFirst (psqW, piw1);
+ sqw2 = SqFindSecond (psqW, piw2);
+ }
+ else {
+ SqFind2 (psqW, piw1, sqw1, piw2, sqw2);
+ }
+ sqbk = SqFindKing (psqB);
+ if (pib1 == pib2) {
+ sqb1 = SqFindFirst (psqB, pib1);
+ sqb2 = SqFindSecond (psqB, pib2);
+ }
+ else {
+ SqFind2 (psqB, pib1, sqb1, pib2, sqb2);
+ }
+
+ if(x_piecePawn == piw2 || x_piecePawn == pib2)
+ sqMask = rgsqReflectMaskY[sqwk] ^ rgsqReflectInvertMask[fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX[sqwk];
+
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqb1 ^= sqMask;
+ sqb2 ^= sqMask;
+
+ if(x_piecePawn == piw2 || x_piecePawn == pib2) {
+ // There are pawns on the board
+ if(XX == sqEnP) {
+ // No En Passant possible
+ uInd = TEnumerate2<piw1,piw2,true,false>::Index(sqwk,sqw1,sqw2,sqbk);
+ CHECK_INF_PAIR(uInd);
+ if(x_piecePawn == piw1) {
+ // all 4 pieces are pawns
+ SORT(sqb1, sqb2);
+ sqb2 = EXCLUDE2(sqb2,sqw1,sqw2) - i8;
+ return uInd*(INDEX)(i46*i45/2) +
+ sqb2*(sqb2-1)/2 + EXCLUDE2(sqb1,sqw1,sqw2) - i8;
+ }
+ else if(x_piecePawn == piw2) {
+ if(x_piecePawn == pib1) {
+ // 1 white, 2 black pawns
+ SORT(sqb1, sqb2);
+ sqb2 = EXCLUDE1(sqb2,sqw2) - i8;
+ return uInd*(INDEX)(i47*i46/2) +
+ sqb2*(sqb2-1)/2 + EXCLUDE1(sqb1,sqw2) - i8;
+ }
+ else if(x_piecePawn == pib2) {
+ // 1 white, 1 black pawn
+ return uInd*(INDEX)(i59*i47) +
+ (EXCLUDE1(sqb2,sqw2)-i8)*i59 +
+ EXCLUDE5(sqb1,sqb2,sqwk,sqw1,sqw2,sqbk);
+ }
+ else if(pib2 == pib1) {
+ // only 1 white pawn, two identical black pieces
+ SORT(sqb1, sqb2);
+ sqb2 = EXCLUDE4(sqb2,sqwk,sqw1,sqw2,sqbk);
+ return uInd*(INDEX)(i60*i59/2) +
+ sqb2*(sqb2-1)/2 +
+ EXCLUDE4(sqb1,sqwk,sqw1,sqw2,sqbk);
+ }
+ else {
+ // only 1 white pawn, two different black pieces
+ return uInd*(INDEX)(i60*i59) +
+ EXCLUDE4(sqb2,sqwk,sqw1,sqw2,sqbk)*i59 +
+ EXCLUDE5(sqb1,sqb2,sqwk,sqw1,sqw2,sqbk);
+ }
+ }
+ else if(x_piecePawn == pib1) {
+ // no white pawns, two black pawns
+ SORT(sqb1, sqb2);
+ sqb2 -= i8;
+ return uInd*(INDEX)(i48*i47/2) +
+ sqb2*(sqb2-1)/2 + sqb1 - i8;
+ }
+ else {
+ // no white pawns, 1 black pawn
+ return uInd*(INDEX)(i48*i59) +
+ (sqb2 - i8)*i59 +
+ EXCLUDE5(sqb1,sqb2,sqwk,sqw1,sqw2,sqbk);
+ }
+ }
+ else {
+ // En Passant possible
+ sqEnP ^= sqMask;
+ if(x_piecePawn == piw1) {
+ // all 4 pieces are pawns
+ uInd = rgcPairPawnPresent[x_piecePawn][x_piecePawn];
+ return uInd*(INDEX)(i46*i45/2) +
+ IndHalfKings(sqwk,sqbk)*(i14*i44*i43) +
+ IndEnPassant22W(sqw1, sqw2, sqb1, sqb2, sqEnP);
+ }
+ else {
+ assert(x_piecePawn == piw2);
+
+ uInd = TEnumerate1<piw1, true, false>::
+ Index(sqwk,sqw1,sqbk);
+ CHECK_INF_SINGLE(uInd);
+
+ if(x_piecePawn == pib1) {
+ // 1 white pawn, 2 black pawns
+ return rgcPairPawnPresent[piw1][x_piecePawn]*((INDEX)(i47*i46/2)) +
+ (uInd*(i14*i44) +
+ IndEnPassant12W(sqw2, sqb1, sqb2, sqEnP));
+ }
+ else {
+ // 1 white pawn, 1 black pawn
+ assert(x_piecePawn == pib2);
+ return rgcPairPawnPresent[piw1][x_piecePawn]*((INDEX)(i47*i59))+
+ (uInd*(i14*i57) +
+ EXCLUDE7(sqb1,sqb2,sqwk,sqw1,sqw2,sqbk,sqEnP,sqEnP+8)*i14+
+ IndEnPassant11W(sqw2,sqb2,sqEnP));
+ }
+ }
+ }
+ }
+ else {
+ // no pawns at all
+ if (!FInTriangle (sqwk, sqbk)) {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqbk = reflect_xy(sqbk);
+ sqb1 = reflect_xy(sqb1);
+ sqb2 = reflect_xy(sqb2);
+ }
+
+ uInd = TEnumerate2<piw1,piw2,false,false>::Index(sqwk,sqw1,sqw2,sqbk);
+ CHECK_INF_PAIR(uInd);
+ if (pib1 == pib2) {
+ SORT (sqb1, sqb2);
+ sqb2 = EXCLUDE4(sqb2,sqwk,sqbk,sqw1,sqw2);
+ return uInd*(i60*i59/2) +
+ sqb2*(sqb2-1)/2+
+ EXCLUDE4(sqb1,sqwk,sqbk,sqw1,sqw2);
+ }
+ else {
+ // Divide by 2 to avoid overflow on the 32-bit systems, later
+ // add to itself to produce the correct result. Only the final
+ // addition have to be done using 64-bit arithmetic.
+ uInd *= (i60*i59/2);
+ return ((INDEX) uInd) +
+ (INDEX) (uInd +
+ EXCLUDE4(sqb1,sqwk,sqbk,sqw1,sqw2)*i59 +
+ EXCLUDE5(sqb2,sqwk,sqbk,sqw1,sqw2,sqb1));
+ }
+ }
+ }
+
+ static INDEX TB_FASTCALL IndCalcB
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sqwk, sqw1, sqw2, sqbk, sqb1, sqb2, sqMask;
+ unsigned uInd;
+
+ sqwk = SqFindKing (psqW);
+ if (piw1 == piw2) {
+ sqw1 = SqFindFirst (psqW, piw1);
+ sqw2 = SqFindSecond (psqW, piw2);
+ }
+ else {
+ SqFind2 (psqW, piw1, sqw1, piw2, sqw2);
+ }
+ sqbk = SqFindKing (psqB);
+ if (pib1 == pib2) {
+ sqb1 = SqFindFirst (psqB, pib1);
+ sqb2 = SqFindSecond (psqB, pib2);
+ }
+ else {
+ SqFind2 (psqB, pib1, sqb1, pib2, sqb2);
+ }
+
+ if(piw2 == x_piecePawn || pib2 == x_piecePawn)
+ sqMask = rgsqReflectMaskY[sqbk] ^ rgsqReflectInvertMask[fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX[sqbk];
+
+ sqwk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqbk ^= sqMask;
+ sqb1 ^= sqMask;
+ sqb2 ^= sqMask;
+
+ if(x_piecePawn == piw2 || x_piecePawn == pib2) {
+ // There are pawns on the board
+ if(XX == sqEnP) {
+ // No En Passant possible
+ uInd = TEnumerate2<pib1,pib2,true,true>::Index(sqbk,sqb1,sqb2,sqwk);
+ CHECK_INF_PAIR(uInd);
+ if(x_piecePawn == piw1) {
+ // all 4 pieces are pawns
+ SORT(sqw1, sqw2);
+ sqw2 = EXCLUDE2(sqw2,sqb1,sqb2) - i8;
+ return uInd*(INDEX)(i46*i45/2) +
+ sqw2*(sqw2-1)/2 + EXCLUDE2(sqw1,sqb1,sqw2) - i8;
+ }
+ else if(x_piecePawn == piw2) {
+ if(x_piecePawn == pib1) {
+ // 1 white, 2 black pawns
+ return uInd*(INDEX)(i46*i59) +
+ (EXCLUDE2(sqw2,sqb1,sqb2)-i8)*i59 +
+ EXCLUDE5(sqw1,sqw2,sqb1,sqb2,sqwk,sqbk);
+ }
+ else if(x_piecePawn == pib2) {
+ // 1 white, 1 black pawn
+ return uInd*(INDEX)(i47*i59) +
+ (EXCLUDE1(sqw2,sqb2)-i8)*i59 +
+ EXCLUDE5(sqw1,sqw2,sqb1,sqb2,sqwk,sqbk);
+ }
+ else {
+ // only 1 white pawn
+ return uInd*(INDEX)(i48*i59) +
+ (sqw2 - i8)*i59 +
+ EXCLUDE5(sqw1,sqw2,sqb1,sqb2,sqwk,sqbk);
+ }
+ }
+ else if(piw1 == piw2) {
+ // no white pawns, two identical white pieces
+ SORT(sqw1, sqw2);
+ sqw2 = EXCLUDE4(sqw2,sqb1,sqb2,sqwk,sqbk);
+ return uInd*(INDEX)(i60*i59/2) +
+ sqw2*(sqw2-1)/2 +
+ EXCLUDE4(sqw1,sqb1,sqb2,sqwk,sqbk);
+ }
+ else {
+ // no white pawns, two different white pieces
+ return uInd*(INDEX)(i60*i59) +
+ EXCLUDE4(sqw2,sqb1,sqb2,sqwk,sqbk)*i59 +
+ EXCLUDE5(sqw1,sqw2,sqb1,sqb2,sqwk,sqbk);
+ }
+ }
+ else {
+ // En Passant possible
+ sqEnP ^= sqMask;
+ if(x_piecePawn == piw1) {
+ // all 4 pieces are pawns
+ uInd = rgcPairPawnPresent[x_piecePawn][x_piecePawn];
+ return uInd*(INDEX)(i46*i45/2) +
+ IndHalfKings(sqbk,sqwk)*(i14*i44*i43) +
+ IndEnPassant22B(sqw1, sqw2, sqb1, sqb2, sqEnP);
+ }
+ else if(x_piecePawn == pib1) {
+ // 1 white, 2 black pawns
+ assert(x_piecePawn == piw2);
+ uInd = rgcPairPawnPresent[x_piecePawn][x_piecePawn];
+ return uInd*(INDEX)(i46*i59) +
+ IndHalfKings(sqbk,sqwk)*(i14*i44*i57) +
+ EXCLUDE7(sqw1,sqw2,sqb1,sqb2,sqbk,sqwk,sqEnP,sqEnP-8)*(i44*i14)+
+ IndEnPassant12B(sqw2, sqb1, sqb2, sqEnP);
+ }
+ else {
+ // 1 white, 1 black pawn
+ assert(x_piecePawn == piw2 && x_piecePawn == pib2);
+ uInd = TEnumerate1<pib1, true, true>::
+ Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ return rgcPairPawnPresent[pib1][x_piecePawn]*((INDEX)(i47*i59)) +
+ (uInd*(i14*i57) +
+ EXCLUDE7(sqw1,sqw2,sqb1,sqb2,sqwk,sqbk,sqEnP,sqEnP-8)*i14 +
+ IndEnPassant11B(sqw2,sqb2,sqEnP));
+ }
+ }
+ }
+ else {
+ // no pawns at all
+ if (!FInTriangle (sqbk, sqwk)) {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqbk = reflect_xy(sqbk);
+ sqb1 = reflect_xy(sqb1);
+ sqb2 = reflect_xy(sqb2);
+ }
+ uInd = TEnumerate2<pib1,pib2,false,false>::Index(sqbk,sqb1,sqb2,sqwk);
+ CHECK_INF_PAIR(uInd);
+ if (piw1 == piw2) {
+ SORT (sqw1, sqw2);
+ sqw2 = EXCLUDE4(sqw2,sqbk,sqwk,sqb1,sqb2);
+ return uInd*(i60*i59/2) +
+ sqw2*(sqw2-1)/2+
+ EXCLUDE4(sqw1,sqbk,sqwk,sqb1,sqb2);
+ }
+ else {
+ // Divide by 2 to avoid overflow on the 32-bit systems, later
+ // add to itself to produce the correct result. Only the final
+ // addition have to be done using 64-bit arithmetic.
+ uInd *= (i60*i59/2);
+ return ((INDEX) uInd) +
+ (INDEX) (uInd +
+ EXCLUDE4(sqw1,sqbk,sqwk,sqb1,sqb2)*i59 +
+ EXCLUDE5(sqw2,sqbk,sqwk,sqb1,sqb2,sqw1));
+ }
+ }
+ }
+
+ // IndCalcBF should replace IndCalcB for symmetric endgames
+
+ static INDEX TB_FASTCALL IndCalcBF
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ return IndCalcW(psqB, psqW, sqEnP, !fInvert);
+ }
+};
+
+#endif // T33
+
+#if defined (T42_INCLUDE)
+
+// TODO: Add code for the TBs with pawns
+
+template <int piw1, int piw2, int piw3, int pib1> class T42
+ {
+public:
+ static INDEX TB_FASTCALL IndCalcW
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ unsigned uInd;
+ square sqwk, sqw1, sqw2, sqw3, sqbk, sqb1, sqMask;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindFirst (psqW, piw1);
+ if (piw1 == piw2 && piw2 == piw3)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindThird (psqW, piw3);
+ }
+ else if (piw1 == piw2)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ else if (piw2 == piw3)
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindSecond (psqW, piw3);
+ }
+ else
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ sqbk = SqFindKing (psqB);
+ sqb1 = SqFindOne (psqB, pib1);
+
+ if (x_piecePawn == piw3 || x_piecePawn == pib1)
+ sqMask = rgsqReflectMaskY [sqwk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqwk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqw3 ^= sqMask;
+ sqb1 ^= sqMask;
+
+ if (x_piecePawn == piw3 || x_piecePawn == pib1)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == pib1)
+ {
+ // Black pawn
+ if (x_piecePawn == piw1)
+ {
+ // All 4 pieces are pawns
+ if (XX == sqEnP)
+ {
+ uInd = TEnumerate3<x_piecePawn,x_piecePawn,x_piecePawn,true,false>::
+ Index(sqwk,sqw1,sqw2,sqw3,sqbk);
+ CHECK_INF_TRIPLE(uInd);
+ return uInd*i45 + EXCLUDE3(sqb1,sqw1,sqw2,sqw3)-i8; // 45
+ }
+ else
+ {
+ // En passant capture
+ uInd = rgcTriplePawnPresent[x_piecePawn][x_piecePawn][x_piecePawn];
+ return uInd*i45 +
+ IndHalfKings(sqwk,sqbk)*(i14*i44*i43/2) +
+ IndEnPassant31W (sqw1, sqw2, sqw3, sqb1, sqEnP ^ sqMask);
+ }
+ }
+ else if (x_piecePawn == piw2)
+ {
+ // Two white pawns, one black pawn
+ if (XX == sqEnP)
+ {
+ uInd = TEnumerate3<piw1,x_piecePawn,x_piecePawn,true,false>::
+ Index(sqwk,sqw1,sqw2,sqw3,sqbk);
+ CHECK_INF_TRIPLE(uInd);
+ return uInd*(INDEX)i46 + (EXCLUDE2(sqb1,sqw2,sqw3)-i8); // 46
+ }
+ else
+ {
+ // En passant capture
+ uInd = TEnumerate1<piw1,true,false>::Index(sqwk,sqw1,sqbk);
+ CHECK_INF_SINGLE(uInd);
+ return rgcTriplePawnPresent[piw1][x_piecePawn][x_piecePawn]*(INDEX)i46 +
+ (uInd*(i14*i44) + IndEnPassant21W (sqw2, sqw3, sqb1, sqEnP ^ sqMask));
+ }
+ }
+ else if (x_piecePawn == piw3)
+ {
+ // One white pawn, one black pawn
+ if (XX == sqEnP)
+ {
+ uInd = TEnumerate3<piw1,piw2,x_piecePawn,true,false>::
+ Index(sqwk,sqw1,sqw2,sqw3,sqbk);
+ CHECK_INF_TRIPLE(uInd);
+ return uInd*((INDEX)i47) + (EXCLUDE1(sqb1,sqw3)-i8); // 47
+ }
+ else
+ {
+ // En passant capture
+ uInd = TEnumerate2<piw1,piw2,true,false>::Index(sqwk,sqw1,sqw2,sqbk);
+ CHECK_INF_PAIR(uInd);
+ return rgcTriplePawnPresent[piw1][piw2][x_piecePawn]*(INDEX)i47 +
+ (uInd*i14 + IndEnPassant11W (sqw3, sqb1, sqEnP ^ sqMask));
+ }
+ }
+ else
+ {
+ // Only black pawn
+ uInd = TEnumerate3<piw1,piw2,piw3,true,false>::
+ Index(sqwk,sqw1,sqw2,sqw3,sqbk);
+ CHECK_INF_TRIPLE(uInd);
+ return (uInd*3)*(INDEX)16 + (sqb1-i8); // 48
+ }
+ }
+ else
+ {
+ // No black pawn
+ uInd = TEnumerate3<piw1,piw2,piw3,true,false>::
+ Index(sqwk,sqw1,sqw2,sqw3,sqbk);
+ CHECK_INF_TRIPLE(uInd);
+ return uInd*(INDEX)i59 + EXCLUDE5(sqb1,sqwk,sqbk,sqw1,sqw2,sqw3); // 59
+ }
+ }
+ else
+ {
+ // No pawns
+ if (!FInTriangle (sqwk, sqbk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqw3 = reflect_xy(sqw3);
+ sqbk = reflect_xy(sqbk);
+ sqb1 = reflect_xy(sqb1);
+ };
+ uInd = TEnumerate3<piw1,piw2,piw3,false,false>::Index(sqwk,sqw1,sqw2,sqw3,sqbk);
+ CHECK_INF_TRIPLE(uInd);
+ return uInd*(INDEX)i59 + EXCLUDE5(sqb1,sqwk,sqbk,sqw1,sqw2,sqw3); // 59
+ }
+ }
+
+ static INDEX TB_FASTCALL IndCalcB
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ unsigned uInd;
+ square sqwk, sqw1, sqw2, sqw3, sqbk, sqb1, sqMask, sqTemp;
+
+ sqwk = SqFindKing (psqW);
+ sqw1 = SqFindFirst (psqW, piw1);
+ if (piw1 == piw2 && piw2 == piw3)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindThird (psqW, piw3);
+ }
+ else if (piw1 == piw2)
+ {
+ sqw2 = SqFindSecond (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ else if (piw2 == piw3)
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindSecond (psqW, piw3);
+ }
+ else
+ {
+ sqw2 = SqFindFirst (psqW, piw2);
+ sqw3 = SqFindFirst (psqW, piw3);
+ }
+ sqbk = SqFindKing (psqB);
+ sqb1 = SqFindOne (psqB, pib1);
+
+ if (x_piecePawn == piw3 || x_piecePawn == pib1)
+ sqMask = rgsqReflectMaskY [sqbk] ^ rgsqReflectInvertMask [fInvert];
+ else
+ sqMask = rgsqReflectMaskYandX [sqbk];
+ sqwk ^= sqMask;
+ sqbk ^= sqMask;
+ sqw1 ^= sqMask;
+ sqw2 ^= sqMask;
+ sqw3 ^= sqMask;
+ sqb1 ^= sqMask;
+
+ if (x_piecePawn == piw3 || x_piecePawn == pib1)
+ {
+ // There are pawns on the board
+ if (x_piecePawn == pib1)
+ {
+ // Black pawn
+ if (x_piecePawn == piw1)
+ {
+ // All 4 pieces are pawns
+ SORT (sqw1, sqw2);
+ SORT (sqw2, sqw3);
+ SORT (sqw1, sqw2);
+ if (XX == sqEnP)
+ {
+ sqw3 = EXCLUDE1(sqw3,sqb1)-i8; // 47
+ sqw2 = EXCLUDE1(sqw2,sqb1)-i8; // 47
+ uInd = TEnumerate1<x_piecePawn,true,true>::Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ return uInd*(i47*i46*i45/6) +
+ sqw3*(sqw3-1)*(sqw3-2)/6 +
+ sqw2*(sqw2-1)/2 +
+ EXCLUDE1(sqw1,sqb1)-i8; // 47*46*45/6
+ }
+ else
+ // En passant capture
+ return rgcSinglePawnPresent[x_piecePawn]*(i47*i46*i45/6) +
+ IndHalfKings(sqbk,sqwk)*(i44*i43/2*i14) +
+ IndEnPassant31B (sqw1, sqw2, sqw3, sqb1, sqEnP ^ sqMask);
+ }
+ else if (x_piecePawn == piw2)
+ {
+ // Two white pawns, one black pawn
+ SORT (sqw2, sqw3);
+ if (XX == sqEnP)
+ {
+ sqTemp = EXCLUDE1(sqw3,sqb1)-i8; // 47
+ uInd = TEnumerate1<x_piecePawn,true,true>::
+ Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ return (uInd*(i59*i47)*(INDEX)(i46/2)) +
+ (EXCLUDE5(sqw1,sqwk,sqbk,sqw2,sqw3,sqb1)*(i47*i46/2) + // 59
+ sqTemp*(sqTemp-1)/2 +
+ EXCLUDE1(sqw2,sqb1)-i8); // 47*46/2
+ }
+ else
+ {
+ // En passant capture
+ sqEnP ^= sqMask;
+ uInd = rgcSinglePawnPresent[x_piecePawn];
+ return (uInd*(i59*i47))*(INDEX)(i46/2) +
+ (IndHalfKings(sqbk,sqwk)*(i57*i44*i14) +
+ EXCLUDE7(sqw1,sqwk,sqbk,sqw2,sqw3,sqb1,sqEnP,sqEnP-8)*(i44*i14) + // 57
+ IndEnPassant21B (sqw2, sqw3, sqb1, sqEnP));
+ }
+ }
+ else if (x_piecePawn == piw3)
+ {
+ // One white pawn, one black pawn
+ if (piw1 == piw2)
+ {
+ // Two identical white pieces
+ SORT (sqw1, sqw2);
+ if (XX == sqEnP)
+ {
+ sqw2 = EXCLUDE4(sqw2,sqwk,sqbk,sqw3,sqb1);
+ sqw1 = EXCLUDE4(sqw1,sqwk,sqbk,sqw3,sqb1);
+ uInd = TEnumerate1<x_piecePawn,true,true>::Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ return (uInd*(i59*i47))*((INDEX)i60/2) +
+ ((sqw2*(sqw2-1)/2+sqw1)*i47 + // 60*59/2
+ EXCLUDE1(sqw3,sqb1)-i8); // 47
+ }
+ else
+ {
+ // En passant capture
+ sqEnP ^= sqMask;
+ sqw2 = EXCLUDE6(sqw2,sqwk,sqbk,sqw3,sqb1,sqEnP,sqEnP-8);
+ sqw1 = EXCLUDE6(sqw1,sqwk,sqbk,sqw3,sqb1,sqEnP,sqEnP-8);
+ uInd = rgcSinglePawnPresent[x_piecePawn];
+ return (uInd*(i59*i47))*((INDEX)i60/2) +
+ (IndHalfKings(sqbk,sqwk)*(i58*i57/2*i14) +
+ (sqw2*(sqw2-1)/2+sqw1)*i14 + // 58*57/2
+ IndEnPassant11B (sqw3, sqb1, sqEnP));
+ }
+ }
+ else
+ {
+ // Two different white pieces
+ if (XX == sqEnP)
+ {
+ uInd = TEnumerate1<x_piecePawn,true,true>::Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ return (uInd*(i59*i47))*((INDEX)i60) +
+ (EXCLUDE4(sqw1,sqwk,sqbk,sqw3,sqb1)*i59*i47 + // 60
+ EXCLUDE5(sqw2,sqwk,sqbk,sqw1,sqw3,sqb1)*i47 + // 59
+ EXCLUDE1(sqw3,sqb1)-i8); // 47
+ }
+ else
+ {
+ // En passant capture
+ sqEnP ^= sqMask;
+ uInd = rgcSinglePawnPresent[x_piecePawn];
+ return (uInd*(i59*i47))*((INDEX)i60) +
+ (IndHalfKings(sqbk,sqwk)*(i58*i57*i14) +
+ EXCLUDE6(sqw1,sqwk,sqbk,sqw3,sqb1,sqEnP,sqEnP-8)*(i57*i14) + // 58
+ EXCLUDE7(sqw2,sqwk,sqbk,sqw1,sqw3,sqb1,sqEnP,sqEnP-8)*i14 + // 57
+ IndEnPassant11B (sqw3, sqb1, sqEnP));
+ }
+ }
+ }
+ else
+ {
+ // Only black pawn
+ uInd = TEnumerate1<x_piecePawn,true,true>::Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ if (piw1 == piw3)
+ {
+ // 3 identical white pieces
+ SORT (sqw1, sqw2);
+ SORT (sqw2, sqw3);
+ SORT (sqw1, sqw2);
+ sqw1 = EXCLUDE3(sqw1,sqwk,sqbk,sqb1); // 61
+ sqw2 = EXCLUDE3(sqw2,sqwk,sqbk,sqb1); // 61
+ sqw3 = EXCLUDE3(sqw3,sqwk,sqbk,sqb1); // 61
+ return uInd*(i61*i60*i59/6) +
+ sqw3*(sqw3-1)*(sqw3-2)/6 + sqw2*(sqw2-1)/2 + sqw1; // 61*60*59/6
+ }
+ else if (piw1 == piw2)
+ {
+ // 2 identical major white pieces
+ SORT (sqw1, sqw2);
+ sqw3 = EXCLUDE5(sqw3,sqwk,sqbk,sqw1,sqw2,sqb1);
+ sqw1 = EXCLUDE3(sqw1,sqwk,sqbk,sqb1); // 61
+ sqw2 = EXCLUDE3(sqw2,sqwk,sqbk,sqb1); // 61
+ return (uInd*(i61*i59))*(INDEX)(i60/2) +
+ ((sqw2*(sqw2-1)/2 + sqw1)*i59 + // 61*60/2
+ sqw3); // 59
+ }
+ else if (piw2 == piw3)
+ {
+ // 2 identical minor white pieces
+ SORT (sqw2, sqw3);
+ sqw2 = EXCLUDE4(sqw2,sqwk,sqbk,sqw1,sqb1); // 60
+ sqw3 = EXCLUDE4(sqw3,sqwk,sqbk,sqw1,sqb1); // 60
+ return (uInd*(i61*i59))*(INDEX)(i60/2) +
+ (EXCLUDE3(sqw1,sqwk,sqbk,sqb1)*(i60*i59/2) + // 61
+ sqw3*(sqw3-1)/2 + sqw2); // 60*59/2
+ }
+ else
+ {
+ // All 3 white pieces are different
+ return (uInd*(i61*i59))*(INDEX)i60 +
+ (EXCLUDE3(sqw1,sqwk,sqbk,sqb1)*(i60*i59) + // 61
+ EXCLUDE4(sqw2,sqwk,sqbk,sqw1,sqb1)*i59 + // 60
+ EXCLUDE5(sqw3,sqwk,sqbk,sqw1,sqw2,sqb1)); // 59
+ }
+ }
+ }
+ else
+ {
+ // No black pawn
+ uInd = TEnumerate1<pib1,true,true>::Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ if (x_piecePawn == piw1)
+ {
+ // Only 3 white pawns
+ SORT (sqw1, sqw2);
+ SORT (sqw2, sqw3);
+ SORT (sqw1, sqw2);
+ sqw3 -= i8;
+ sqw2 -= i8;
+ return uInd*(i48*47*i46/6) +
+ sqw3*(sqw3-1)*(sqw3-2)/6+sqw2*(sqw2-1)/2+sqw1-i8; // 48*47*46/6
+ }
+ else if (x_piecePawn == piw2)
+ {
+ // 2 white pawns, one non-pawn
+ SORT (sqw2, sqw3);
+ sqTemp = sqw3 - i8;
+ return (uInd*(i59*47))*(INDEX)(i48/2) +
+ (EXCLUDE5(sqw1,sqwk,sqbk,sqb1,sqw2,sqw3)*(i48*i47/2) +
+ sqTemp*(sqTemp-1)/2+sqw2-i8); // 48*47/2
+ }
+ else if (piw1 == piw2)
+ {
+ // One white pawn, 2 identical white pieces
+ SORT (sqw1, sqw2);
+ sqw1 = EXCLUDE4(sqw1,sqwk,sqbk,sqb1,sqw3);
+ sqw2 = EXCLUDE4(sqw2,sqwk,sqbk,sqb1,sqw3);
+ return (uInd*(i60*i59/2))*(INDEX)i48 +
+ ((sqw2*(sqw2-1)/2+sqw1)*i48 + // 60*59/2
+ sqw3-i8); // 48
+ }
+ else
+ {
+ // One white pawn, 2 different white pieces
+ return (uInd*(i60*i59))*(INDEX)i48 +
+ (EXCLUDE4(sqw1,sqwk,sqbk,sqb1,sqw3)*(i59*i48) + // 60
+ EXCLUDE5(sqw2,sqwk,sqbk,sqb1,sqw1,sqw3)*i48 + // 59
+ sqw3-i8); // 48
+ }
+ }
+ }
+ else
+ {
+ // No pawns
+ if (!FInTriangle (sqbk, sqwk))
+ {
+ sqwk = reflect_xy(sqwk);
+ sqw1 = reflect_xy(sqw1);
+ sqw2 = reflect_xy(sqw2);
+ sqw3 = reflect_xy(sqw3);
+ sqbk = reflect_xy(sqbk);
+ sqb1 = reflect_xy(sqb1);
+ };
+ uInd = TEnumerate1<pib1,false,false>::Index(sqbk,sqb1,sqwk);
+ CHECK_INF_SINGLE(uInd);
+ if (piw1 == piw2 && piw2 == piw3)
+ {
+ // All 3 pieces equal
+ SORT (sqw1, sqw2);
+ SORT (sqw2, sqw3);
+ SORT (sqw1, sqw2);
+ sqw3 = EXCLUDE3(sqw3,sqwk,sqbk,sqb1); // 61
+ sqw2 = EXCLUDE3(sqw2,sqwk,sqbk,sqb1);
+ return uInd*(i61*i60*i59/6) +
+ sqw3*(sqw3-1)*(sqw3-2)/6+
+ sqw2*(sqw2-1)/2+
+ EXCLUDE3(sqw1,sqwk,sqbk,sqb1); // 61*60*59/6
+ }
+ else if (piw1 == piw2)
+ {
+ // 2 major pieces equal
+ SORT (sqw1, sqw2);
+ sqw2 = EXCLUDE4(sqw2,sqwk,sqbk,sqw3,sqb1); // 60
+ return uInd*(i60*i59/2*i61) +
+ (sqw2*(sqw2-1)/2+EXCLUDE4(sqw1,sqwk,sqbk,sqw3,sqb1))*i61 + // 60*59/2
+ EXCLUDE3(sqw3,sqwk,sqbk,sqb1); // 61
+ }
+ else if (piw2 == piw3)
+ {
+ // 2 minor pieces equal
+ SORT (sqw2, sqw3);
+ sqw3 = EXCLUDE4(sqw3,sqwk,sqbk,sqw1,sqb1); // 60
+ return uInd*(i61*i60*i59/2) +
+ EXCLUDE3(sqw1,sqwk,sqbk,sqb1)*(i60*i59/2) + // 62
+ sqw3*(sqw3-1)/2+EXCLUDE4(sqw2,sqwk,sqbk,sqw1,sqb1); // 60*59/2
+ }
+ else
+ {
+ uInd *= i61*i60*i59/2;
+ return (INDEX) uInd +
+ (INDEX) (uInd +
+ EXCLUDE3(sqw1,sqwk,sqbk,sqb1)*(i60*i59) + // 61
+ EXCLUDE4(sqw2,sqwk,sqbk,sqw1,sqb1)*i59 + // 60
+ EXCLUDE5(sqw3,sqwk,sqbk,sqw1,sqw2,sqb1)); // 59
+ }
+ }
+ }
+ };
+
+#endif // T42
+
+#else // Old SJE schema ------------------------------------------------------
+
+/* scanning pattern: triangle encoding */
+
+static const INDEX sptriv[] =
+ {
+ 0, 1, 2, 3, -1, -1, -1, -1,
+ -1, 4, 5, 6, -1, -1, -1, -1,
+ -1, -1, 7, 8, -1, -1, -1, -1,
+ -1, -1, -1, 9, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ };
+
+/* scanning pattern: queenside flank encoding */
+
+static const INDEX spqsfv[] =
+ {
+ 0, 1, 2, 3, -1, -1, -1, -1,
+ 4, 5, 6, 7, -1, -1, -1, -1,
+ 8, 9, 10, 11, -1, -1, -1, -1,
+ 12, 13, 14, 15, -1, -1, -1, -1,
+ 16, 17, 18, 19, -1, -1, -1, -1,
+ 20, 21, 22, 23, -1, -1, -1, -1,
+ 24, 25, 26, 27, -1, -1, -1, -1,
+ 28, 29, 30, 31, -1, -1, -1, -1,
+ };
+
+/*--> CalcIndex3A: calculate index, mode 3A */
+INLINE INDEX CalcIndex3A
+ (
+ square sq0,
+ square sq1,
+ square sq2
+ )
+ {
+ INDEX index;
+
+ if (TbRow(sq2) > x_row_4)
+ {
+ sq0 = reflect_x(sq0);
+ sq1 = reflect_x(sq1);
+ sq2 = reflect_x(sq2);
+ };
+
+ if (TbColumn(sq2) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ };
+
+ if (TbRow(sq2) > TbColumn(sq2))
+ {
+ sq0 = reflect_xy(sq0);
+ sq1 = reflect_xy(sq1);
+ sq2 = reflect_xy(sq2);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ sptriv [sq2] * i64 * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex3B: calculate index, mode 3B */
+INLINE INDEX CalcIndex3B
+ (
+ square sq0,
+ square sq1,
+ square sq2
+ )
+ {
+ INDEX index;
+
+ if (TbColumn(sq1) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ };
+
+ index =
+ sq0 +
+ spqsfv [sq1] * i64 +
+ sq2 * (i64 / 2) * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex4A: calculate index, mode 4A */
+INLINE INDEX CalcIndex4A
+ (
+ square sq0,
+ square sq1,
+ square sq2,
+ square sq3
+ )
+ {
+ INDEX index;
+
+ if (TbRow(sq3) > x_row_4)
+ {
+ sq0 = reflect_x(sq0);
+ sq1 = reflect_x(sq1);
+ sq2 = reflect_x(sq2);
+ sq3 = reflect_x(sq3);
+ };
+
+ if (TbColumn(sq3) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ sq3 = reflect_y(sq3);
+ };
+
+ if (TbRow(sq3) > TbColumn(sq3))
+ {
+ sq0 = reflect_xy(sq0);
+ sq1 = reflect_xy(sq1);
+ sq2 = reflect_xy(sq2);
+ sq3 = reflect_xy(sq3);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ sq2 * i64 * i64 +
+ sptriv [sq3] * i64 * i64 * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex4B: calculate index, mode 4B */
+INLINE INDEX CalcIndex4B
+ (
+ square sq0,
+ square sq1,
+ square sq2,
+ square sq3
+ )
+ {
+ INDEX index;
+
+ if (TbColumn(sq3) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ sq3 = reflect_y(sq3);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ sq2 * i64 * i64 +
+ spqsfv [sq3] * i64 * i64 * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex4C: calculate index, mode 4C */
+INLINE INDEX CalcIndex4C
+ (
+ square sq0,
+ square sq1,
+ square sq2,
+ square sq3
+ )
+ {
+ INDEX index;
+
+ if (TbColumn(sq2) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ sq3 = reflect_y(sq3);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ spqsfv [sq2] * i64 * i64 +
+ sq3 * (i64 / 2) * i64 * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex5A: calculate index, mode 5A */
+INLINE INDEX CalcIndex5A
+ (
+ square sq0,
+ square sq1,
+ square sq2,
+ square sq3,
+ square sq4
+ )
+ {
+ INDEX index;
+
+ if (TbRow(sq4) > x_row_4)
+ {
+ sq0 = reflect_x(sq0);
+ sq1 = reflect_x(sq1);
+ sq2 = reflect_x(sq2);
+ sq3 = reflect_x(sq3);
+ sq4 = reflect_x(sq4);
+ };
+
+ if (TbColumn(sq4) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ sq3 = reflect_y(sq3);
+ sq4 = reflect_y(sq4);
+ };
+
+ if (TbRow(sq4) > TbColumn(sq4))
+ {
+ sq0 = reflect_xy(sq0);
+ sq1 = reflect_xy(sq1);
+ sq2 = reflect_xy(sq2);
+ sq3 = reflect_xy(sq3);
+ sq4 = reflect_xy(sq4);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ sq2 * i64 * i64 +
+ sq3 * i64 * i64 * i64 +
+ sptriv [sq4] * i64 * i64 * i64 * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex5B: calculate index, mode 5B */
+INLINE INDEX CalcIndex5B
+ (
+ square sq0,
+ square sq1,
+ square sq2,
+ square sq3,
+ square sq4
+ )
+ {
+ INDEX index;
+
+ if (TbColumn(sq4) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ sq3 = reflect_y(sq3);
+ sq4 = reflect_y(sq4);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ sq2 * i64 * i64 +
+ sq3 * i64 * i64 * i64 +
+ spqsfv [sq4] * i64 * i64 * i64 * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex5C: calculate index, mode 5C */
+INLINE INDEX CalcIndex5C
+ (
+ square sq0,
+ square sq1,
+ square sq2,
+ square sq3,
+ square sq4
+ )
+ {
+ INDEX index;
+
+ if (TbColumn(sq3) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ sq3 = reflect_y(sq3);
+ sq4 = reflect_y(sq4);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ sq2 * i64 * i64 +
+ spqsfv [sq3] * i64 * i64 * i64 +
+ sq4 * (i64 / 2) * i64 * i64 * i64;
+
+ return (index);
+ }
+
+/*--> CalcIndex5D: calculate index, mode 5D */
+INLINE INDEX CalcIndex5D
+ (
+ square sq0,
+ square sq1,
+ square sq2,
+ square sq3,
+ square sq4
+ )
+ {
+ INDEX index;
+
+ if (TbColumn(sq2) > x_column_d)
+ {
+ sq0 = reflect_y(sq0);
+ sq1 = reflect_y(sq1);
+ sq2 = reflect_y(sq2);
+ sq3 = reflect_y(sq3);
+ sq4 = reflect_y(sq4);
+ };
+
+ index =
+ sq0 +
+ sq1 * i64 +
+ spqsfv [sq2] * i64 * i64 +
+ sq3 * (i64 / 2) * i64 * i64 +
+ sq4 * (i64 / 2) * i64 * i64 * i64;
+
+ return (index);
+ }
+
+// Calculate index - a lot of functions...
+
+#define IndCalcW IndCalc
+#define IndCalcB IndCalc
+
+template <int pi> class T21
+ {
+public:
+ static INDEX TB_FASTCALL IndCalc
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sq0, sq1, sq2;
+
+ sq0 = SqFindKing (psqW);
+ sq1 = SqFindOne (psqW, pi);
+ sq2 = SqFindKing (psqB);
+
+ if (x_piecePawn == pi)
+ {
+ if (fInvert)
+ {
+ sq0 = reflect_x (sq0);
+ sq1 = reflect_x (sq1);
+ sq2 = reflect_x (sq2);
+ }
+ return CalcIndex3B (sq0, sq1, sq2);
+ }
+ else
+ return CalcIndex3A (sq0, sq1, sq2);
+ }
+ };
+
+template <int pi1, int pi2> class T22
+ {
+public:
+ static INDEX TB_FASTCALL IndCalc
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sq0, sq1, sq2, sq3;
+
+ sq0 = SqFindKing (psqW);
+ sq1 = SqFindOne (psqW, pi1);
+ sq2 = SqFindKing (psqB);
+ sq3 = SqFindOne (psqB, pi2);
+
+ if (x_piecePawn == pi1 || x_piecePawn == pi2)
+ {
+ if (fInvert)
+ {
+ sq0 = reflect_x (sq0);
+ sq1 = reflect_x (sq1);
+ sq2 = reflect_x (sq2);
+ sq3 = reflect_x (sq3);
+ }
+ return CalcIndex4B (sq0, sq1, sq2, sq3);
+ }
+ else
+ return CalcIndex4A (sq0, sq1, sq2, sq3);
+ }
+ };
+
+template <int pi1, int pi2> class T31
+ {
+public:
+ static INDEX TB_FASTCALL IndCalc
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sq0, sq1, sq2, sq3;
+
+ sq0 = SqFindKing (psqW);
+ sq1 = SqFindFirst (psqW, pi1);
+ if (pi1 == pi2)
+ sq2 = SqFindSecond (psqW, pi2);
+ else
+ sq2 = SqFindFirst (psqW, pi2);
+ sq3 = SqFindKing (psqB);
+
+ if (x_piecePawn == pi1 || x_piecePawn == pi2)
+ {
+ if (fInvert)
+ {
+ sq0 = reflect_x (sq0);
+ sq1 = reflect_x (sq1);
+ sq2 = reflect_x (sq2);
+ sq3 = reflect_x (sq3);
+ }
+ return CalcIndex4C (sq0, sq1, sq2, sq3);
+ }
+ else
+ return CalcIndex4A (sq0, sq1, sq2, sq3);
+ }
+ };
+
+template <int pi1, int pi2, int pi3> class T32
+ {
+public:
+ static INDEX TB_FASTCALL IndCalc
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sq0, sq1, sq2, sq3, sq4;
+
+ sq0 = SqFindKing (psqW);
+ sq1 = SqFindFirst (psqW, pi1);
+ if (pi1 == pi2)
+ sq2 = SqFindSecond (psqW, pi2);
+ else
+ sq2 = SqFindFirst (psqW, pi2);
+ sq3 = SqFindKing (psqB);
+ sq4 = SqFindOne (psqB, pi3);
+
+ if (x_piecePawn == pi1 || x_piecePawn == pi2 || x_piecePawn == pi3)
+ {
+ if (fInvert)
+ {
+ sq0 = reflect_x (sq0);
+ sq1 = reflect_x (sq1);
+ sq2 = reflect_x (sq2);
+ sq3 = reflect_x (sq3);
+ sq4 = reflect_x (sq4);
+ }
+ if (x_piecePawn == pi3)
+ return CalcIndex5B (sq0, sq1, sq2, sq3, sq4);
+ else
+ return CalcIndex5D (sq0, sq1, sq2, sq3, sq4);
+ }
+ else
+ return CalcIndex5A (sq0, sq1, sq2, sq3, sq4);
+ }
+ };
+
+#if defined (T41_INCLUDE)
+
+template <int pi1, int pi2, int pi3> class T41
+ {
+public:
+ static INDEX TB_FASTCALL IndCalc
+ (
+ square *psqW,
+ square *psqB,
+ square sqEnP,
+ int fInvert
+ )
+ {
+ square sq0, sq1, sq2, sq3, sq4;
+
+ sq0 = SqFindKing (psqW);
+ sq1 = SqFindFirst (psqW, pi1);
+ sq2 = SqFindFirst (psqW, pi2);
+ sq3 = SqFindFirst (psqW, pi3);
+ sq4 = SqFindKing (psqB);
+
+ if (x_piecePawn == pi1 || x_piecePawn == pi2 || x_piecePawn == pi3)
+ {
+ // There are pawns on the board
+ if (fInvert)
+ {
+ sq0 = reflect_x (sq0);
+ sq1 = reflect_x (sq1);
+ sq2 = reflect_x (sq2);
+ sq3 = reflect_x (sq3);
+ sq4 = reflect_x (sq4);
+ }
+ return CalcIndex5C (sq0, sq1, sq2, sq3, sq4);
+ }
+ else // No pawns
+ return CalcIndex5A (sq0, sq1, sq2, sq3, sq4);
+ }
+ };
+
+#endif
+
+#endif //----------------------------------------------------------------------
+
+// All tablebases enumerated
+
+#define tbid_kk 0
+#define tbid_kpk 1
+#define tbid_knk 2
+#define tbid_kbk 3
+#define tbid_krk 4
+#define tbid_kqk 5
+#define tbid_kpkp 6
+#define tbid_knkp 7
+#define tbid_knkn 8
+#define tbid_kbkp 9
+#define tbid_kbkn 10
+#define tbid_kbkb 11
+#define tbid_krkp 12
+#define tbid_krkn 13
+#define tbid_krkb 14
+#define tbid_krkr 15
+#define tbid_kqkp 16
+#define tbid_kqkn 17
+#define tbid_kqkb 18
+#define tbid_kqkr 19
+#define tbid_kqkq 20
+#define tbid_kppk 21
+#define tbid_knpk 22
+#define tbid_knnk 23
+#define tbid_kbpk 24
+#define tbid_kbnk 25
+#define tbid_kbbk 26
+#define tbid_krpk 27
+#define tbid_krnk 28
+#define tbid_krbk 29
+#define tbid_krrk 30
+#define tbid_kqpk 31
+#define tbid_kqnk 32
+#define tbid_kqbk 33
+#define tbid_kqrk 34
+#define tbid_kqqk 35
+#define tbid_kppkp 36
+#define tbid_kppkn 37
+#define tbid_kppkb 38
+#define tbid_kppkr 39
+#define tbid_kppkq 40
+#define tbid_knpkp 41
+#define tbid_knpkn 42
+#define tbid_knpkb 43
+#define tbid_knpkr 44
+#define tbid_knpkq 45
+#define tbid_knnkp 46
+#define tbid_knnkn 47
+#define tbid_knnkb 48
+#define tbid_knnkr 49
+#define tbid_knnkq 50
+#define tbid_kbpkp 51
+#define tbid_kbpkn 52
+#define tbid_kbpkb 53
+#define tbid_kbpkr 54
+#define tbid_kbpkq 55
+#define tbid_kbnkp 56
+#define tbid_kbnkn 57
+#define tbid_kbnkb 58
+#define tbid_kbnkr 59
+#define tbid_kbnkq 60
+#define tbid_kbbkp 61
+#define tbid_kbbkn 62
+#define tbid_kbbkb 63
+#define tbid_kbbkr 64
+#define tbid_kbbkq 65
+#define tbid_krpkp 66
+#define tbid_krpkn 67
+#define tbid_krpkb 68
+#define tbid_krpkr 69
+#define tbid_krpkq 70
+#define tbid_krnkp 71
+#define tbid_krnkn 72
+#define tbid_krnkb 73
+#define tbid_krnkr 74
+#define tbid_krnkq 75
+#define tbid_krbkp 76
+#define tbid_krbkn 77
+#define tbid_krbkb 78
+#define tbid_krbkr 79
+#define tbid_krbkq 80
+#define tbid_krrkp 81
+#define tbid_krrkn 82
+#define tbid_krrkb 83
+#define tbid_krrkr 84
+#define tbid_krrkq 85
+#define tbid_kqpkp 86
+#define tbid_kqpkn 87
+#define tbid_kqpkb 88
+#define tbid_kqpkr 89
+#define tbid_kqpkq 90
+#define tbid_kqnkp 91
+#define tbid_kqnkn 92
+#define tbid_kqnkb 93
+#define tbid_kqnkr 94
+#define tbid_kqnkq 95
+#define tbid_kqbkp 96
+#define tbid_kqbkn 97
+#define tbid_kqbkb 98
+#define tbid_kqbkr 99
+#define tbid_kqbkq 100
+#define tbid_kqrkp 101
+#define tbid_kqrkn 102
+#define tbid_kqrkb 103
+#define tbid_kqrkr 104
+#define tbid_kqrkq 105
+#define tbid_kqqkp 106
+#define tbid_kqqkn 107
+#define tbid_kqqkb 108
+#define tbid_kqqkr 109
+#define tbid_kqqkq 110
+
+#if defined (T41_INCLUDE)
+# define tbid_kpppk 111
+# define tbid_knppk 112
+# define tbid_knnpk 113
+# define tbid_knnnk 114
+# define tbid_kbppk 115
+# define tbid_kbnpk 116
+# define tbid_kbnnk 117
+# define tbid_kbbpk 118
+# define tbid_kbbnk 119
+# define tbid_kbbbk 120
+# define tbid_krppk 121
+# define tbid_krnpk 122
+# define tbid_krnnk 123
+# define tbid_krbpk 124
+# define tbid_krbnk 125
+# define tbid_krbbk 126
+# define tbid_krrpk 127
+# define tbid_krrnk 128
+# define tbid_krrbk 129
+# define tbid_krrrk 130
+# define tbid_kqppk 131
+# define tbid_kqnpk 132
+# define tbid_kqnnk 133
+# define tbid_kqbpk 134
+# define tbid_kqbnk 135
+# define tbid_kqbbk 136
+# define tbid_kqrpk 137
+# define tbid_kqrnk 138
+# define tbid_kqrbk 139
+# define tbid_kqrrk 140
+# define tbid_kqqpk 141
+# define tbid_kqqnk 142
+# define tbid_kqqbk 143
+# define tbid_kqqrk 144
+# define tbid_kqqqk 145
+#endif
+
+#if defined (T33_INCLUDE)
+# if defined (T41_INCLUDE)
+# define BASE_33 145
+# else
+# define BASE_33 110
+# endif
+# define tbid_knnknn (BASE_33 + 1)
+# define tbid_kbnknn (BASE_33 + 2)
+# define tbid_kbbknn (BASE_33 + 3)
+# define tbid_kbbkbn (BASE_33 + 4)
+# define tbid_kbbkbb (BASE_33 + 5)
+# define tbid_krnknn (BASE_33 + 6)
+# define tbid_krnkbb (BASE_33 + 7)
+# define tbid_krbknn (BASE_33 + 8)
+# define tbid_krbkbb (BASE_33 + 9)
+# define tbid_krrknn (BASE_33 + 10)
+# define tbid_krrkbn (BASE_33 + 11)
+# define tbid_krrkbb (BASE_33 + 12)
+# define tbid_krrkrn (BASE_33 + 13)
+# define tbid_krrkrb (BASE_33 + 14)
+# define tbid_krrkrr (BASE_33 + 15)
+# define tbid_kqnknn (BASE_33 + 16)
+# define tbid_kqnkbb (BASE_33 + 17)
+# define tbid_kqnkrr (BASE_33 + 18)
+# define tbid_kqbknn (BASE_33 + 19)
+# define tbid_kqbkbb (BASE_33 + 20)
+# define tbid_kqbkrr (BASE_33 + 21)
+# define tbid_kqrknn (BASE_33 + 22)
+# define tbid_kqrkbb (BASE_33 + 23)
+# define tbid_kqrkrr (BASE_33 + 24)
+# define tbid_kqqknn (BASE_33 + 25)
+# define tbid_kqqkbn (BASE_33 + 26)
+# define tbid_kqqkbb (BASE_33 + 27)
+# define tbid_kqqkrn (BASE_33 + 28)
+# define tbid_kqqkrb (BASE_33 + 29)
+# define tbid_kqqkrr (BASE_33 + 30)
+# define tbid_kqqkqn (BASE_33 + 31)
+# define tbid_kqqkqb (BASE_33 + 32)
+# define tbid_kqqkqr (BASE_33 + 33)
+# define tbid_kqqkqq (BASE_33 + 34)
+# if defined (T_INDEX64)
+# define tbid_kbnkbn (BASE_33 + 35)
+# define tbid_krnkrn (BASE_33 + 36)
+# define tbid_krbkrb (BASE_33 + 37)
+# define tbid_kqnkqn (BASE_33 + 38)
+# define tbid_kqbkqb (BASE_33 + 39)
+# define tbid_kqrkqr (BASE_33 + 40)
+# define tbid_krnkbn (BASE_33 + 41)
+# define tbid_krbkbn (BASE_33 + 42)
+# define tbid_krbkrn (BASE_33 + 43)
+# define tbid_kqnkbn (BASE_33 + 44)
+# define tbid_kqnkrn (BASE_33 + 45)
+# define tbid_kqnkrb (BASE_33 + 46)
+# define tbid_kqbkbn (BASE_33 + 47)
+# define tbid_kqbkrn (BASE_33 + 48)
+# define tbid_kqbkrb (BASE_33 + 49)
+# define tbid_kqbkqn (BASE_33 + 50)
+# define tbid_kqrkbn (BASE_33 + 51)
+# define tbid_kqrkrn (BASE_33 + 52)
+# define tbid_kqrkrb (BASE_33 + 53)
+# define tbid_kqrkqn (BASE_33 + 54)
+# define tbid_kqrkqb (BASE_33 + 55)
+# define tbid_kppkpp (BASE_33 + 56)
+# define tbid_knpkpp (BASE_33 + 57)
+# define tbid_knpknp (BASE_33 + 58)
+# define tbid_knnkpp (BASE_33 + 59)
+# define tbid_knnknp (BASE_33 + 60)
+# define tbid_kbpkpp (BASE_33 + 61)
+# define tbid_kbpknp (BASE_33 + 62)
+# define tbid_kbpknn (BASE_33 + 63)
+# define tbid_kbpkbp (BASE_33 + 64)
+# define tbid_kbnkpp (BASE_33 + 65)
+# define tbid_kbnknp (BASE_33 + 66)
+# define tbid_kbnkbp (BASE_33 + 67)
+# define tbid_kbbkpp (BASE_33 + 68)
+# define tbid_kbbknp (BASE_33 + 69)
+# define tbid_kbbkbp (BASE_33 + 70)
+# define tbid_krpkpp (BASE_33 + 71)
+# define tbid_krpknp (BASE_33 + 72)
+# define tbid_krpknn (BASE_33 + 73)
+# define tbid_krpkbp (BASE_33 + 74)
+# define tbid_krpkbn (BASE_33 + 75)
+# define tbid_krpkbb (BASE_33 + 76)
+# define tbid_krpkrp (BASE_33 + 77)
+# define tbid_krnkpp (BASE_33 + 78)
+# define tbid_krnknp (BASE_33 + 79)
+# define tbid_krnkbp (BASE_33 + 80)
+# define tbid_krnkrp (BASE_33 + 81)
+# define tbid_krbkpp (BASE_33 + 82)
+# define tbid_krbknp (BASE_33 + 83)
+# define tbid_krbkbp (BASE_33 + 84)
+# define tbid_krbkrp (BASE_33 + 85)
+# define tbid_krrkpp (BASE_33 + 86)
+# define tbid_krrknp (BASE_33 + 87)
+# define tbid_krrkbp (BASE_33 + 88)
+# define tbid_krrkrp (BASE_33 + 89)
+# define tbid_kqpkpp (BASE_33 + 90)
+# define tbid_kqpknp (BASE_33 + 91)
+# define tbid_kqpknn (BASE_33 + 92)
+# define tbid_kqpkbp (BASE_33 + 93)
+# define tbid_kqpkbn (BASE_33 + 94)
+# define tbid_kqpkbb (BASE_33 + 95)
+# define tbid_kqpkrp (BASE_33 + 96)
+# define tbid_kqpkrn (BASE_33 + 97)
+# define tbid_kqpkrb (BASE_33 + 98)
+# define tbid_kqpkrr (BASE_33 + 99)
+# define tbid_kqpkqp (BASE_33 + 100)
+# define tbid_kqnkpp (BASE_33 + 101)
+# define tbid_kqnknp (BASE_33 + 102)
+# define tbid_kqnkbp (BASE_33 + 103)
+# define tbid_kqnkrp (BASE_33 + 104)
+# define tbid_kqnkqp (BASE_33 + 105)
+# define tbid_kqbkpp (BASE_33 + 106)
+# define tbid_kqbknp (BASE_33 + 107)
+# define tbid_kqbkbp (BASE_33 + 108)
+# define tbid_kqbkrp (BASE_33 + 109)
+# define tbid_kqbkqp (BASE_33 + 110)
+# define tbid_kqrkpp (BASE_33 + 111)
+# define tbid_kqrknp (BASE_33 + 112)
+# define tbid_kqrkbp (BASE_33 + 113)
+# define tbid_kqrkrp (BASE_33 + 114)
+# define tbid_kqrkqp (BASE_33 + 115)
+# define tbid_kqqkpp (BASE_33 + 116)
+# define tbid_kqqknp (BASE_33 + 117)
+# define tbid_kqqkbp (BASE_33 + 118)
+# define tbid_kqqkrp (BASE_33 + 119)
+# define tbid_kqqkqp (BASE_33 + 120)
+# define C33 (tbid_kqqkqp - BASE_33)
+# else
+# define C33 (tbid_kqqkqq - BASE_33)
+# endif
+#else
+# define C33 0
+#endif
+
+#if defined (T41_INCLUDE)
+# define BASE_42 (145 + C33)
+#else
+# define BASE_42 (110 + C33)
+#endif
+
+#if defined (T42_INCLUDE)
+# define tbid_knnnkn (BASE_42 + 1)
+# define tbid_kbnnkn (BASE_42 + 2)
+# define tbid_kbbnkn (BASE_42 + 3)
+# define tbid_kbbbkn (BASE_42 + 4)
+# define tbid_krnnkn (BASE_42 + 5)
+# define tbid_krbbkn (BASE_42 + 6)
+# define tbid_krrnkn (BASE_42 + 7)
+# define tbid_krrbkn (BASE_42 + 8)
+# define tbid_krrrkn (BASE_42 + 9)
+# define tbid_kqnnkn (BASE_42 + 10)
+# define tbid_kqbbkn (BASE_42 + 11)
+# define tbid_kqrrkn (BASE_42 + 12)
+# define tbid_kqqnkn (BASE_42 + 13)
+# define tbid_kqqbkn (BASE_42 + 14)
+# define tbid_kqqrkn (BASE_42 + 15)
+# define tbid_kqqqkn (BASE_42 + 16)
+# define tbid_knnnkb (BASE_42 + 17)
+# define tbid_kbnnkb (BASE_42 + 18)
+# define tbid_kbbnkb (BASE_42 + 19)
+# define tbid_kbbbkb (BASE_42 + 20)
+# define tbid_krnnkb (BASE_42 + 21)
+# define tbid_krbbkb (BASE_42 + 22)
+# define tbid_krrnkb (BASE_42 + 23)
+# define tbid_krrbkb (BASE_42 + 24)
+# define tbid_krrrkb (BASE_42 + 25)
+# define tbid_kqnnkb (BASE_42 + 26)
+# define tbid_kqbbkb (BASE_42 + 27)
+# define tbid_kqrrkb (BASE_42 + 28)
+# define tbid_kqqnkb (BASE_42 + 29)
+# define tbid_kqqbkb (BASE_42 + 30)
+# define tbid_kqqrkb (BASE_42 + 31)
+# define tbid_kqqqkb (BASE_42 + 32)
+# define tbid_knnnkr (BASE_42 + 33)
+# define tbid_kbnnkr (BASE_42 + 34)
+# define tbid_kbbnkr (BASE_42 + 35)
+# define tbid_kbbbkr (BASE_42 + 36)
+# define tbid_krnnkr (BASE_42 + 37)
+# define tbid_krbbkr (BASE_42 + 38)
+# define tbid_krrnkr (BASE_42 + 39)
+# define tbid_krrbkr (BASE_42 + 40)
+# define tbid_krrrkr (BASE_42 + 41)
+# define tbid_kqnnkr (BASE_42 + 42)
+# define tbid_kqbbkr (BASE_42 + 43)
+# define tbid_kqrrkr (BASE_42 + 44)
+# define tbid_kqqnkr (BASE_42 + 45)
+# define tbid_kqqbkr (BASE_42 + 46)
+# define tbid_kqqrkr (BASE_42 + 47)
+# define tbid_kqqqkr (BASE_42 + 48)
+# define tbid_knnnkq (BASE_42 + 49)
+# define tbid_kbnnkq (BASE_42 + 50)
+# define tbid_kbbnkq (BASE_42 + 51)
+# define tbid_kbbbkq (BASE_42 + 52)
+# define tbid_krnnkq (BASE_42 + 53)
+# define tbid_krbbkq (BASE_42 + 54)
+# define tbid_krrnkq (BASE_42 + 55)
+# define tbid_krrbkq (BASE_42 + 56)
+# define tbid_krrrkq (BASE_42 + 57)
+# define tbid_kqnnkq (BASE_42 + 58)
+# define tbid_kqbbkq (BASE_42 + 59)
+# define tbid_kqrrkq (BASE_42 + 60)
+# define tbid_kqqnkq (BASE_42 + 61)
+# define tbid_kqqbkq (BASE_42 + 62)
+# define tbid_kqqrkq (BASE_42 + 63)
+# define tbid_kqqqkq (BASE_42 + 64)
+# if defined (T_INDEX64)
+# define tbid_krbnkn (BASE_42 + 65)
+# define tbid_kqbnkn (BASE_42 + 66)
+# define tbid_kqrnkn (BASE_42 + 67)
+# define tbid_kqrbkn (BASE_42 + 68)
+# define tbid_krbnkb (BASE_42 + 69)
+# define tbid_kqbnkb (BASE_42 + 70)
+# define tbid_kqrnkb (BASE_42 + 71)
+# define tbid_kqrbkb (BASE_42 + 72)
+# define tbid_krbnkr (BASE_42 + 73)
+# define tbid_kqbnkr (BASE_42 + 74)
+# define tbid_kqrnkr (BASE_42 + 75)
+# define tbid_kqrbkr (BASE_42 + 76)
+# define tbid_krbnkq (BASE_42 + 77)
+# define tbid_kqbnkq (BASE_42 + 78)
+# define tbid_kqrnkq (BASE_42 + 79)
+# define tbid_kqrbkq (BASE_42 + 80)
+
+# define tbid_kpppkp (BASE_42 + 81)
+# define tbid_knppkp (BASE_42 + 82)
+# define tbid_knnpkp (BASE_42 + 83)
+# define tbid_knnnkp (BASE_42 + 84)
+# define tbid_kbppkp (BASE_42 + 85)
+# define tbid_kbnpkp (BASE_42 + 86)
+# define tbid_kbnnkp (BASE_42 + 87)
+# define tbid_kbbpkp (BASE_42 + 88)
+# define tbid_kbbnkp (BASE_42 + 89)
+# define tbid_kbbbkp (BASE_42 + 90)
+# define tbid_krppkp (BASE_42 + 91)
+# define tbid_krnpkp (BASE_42 + 92)
+# define tbid_krnnkp (BASE_42 + 93)
+# define tbid_krbpkp (BASE_42 + 94)
+# define tbid_krbnkp (BASE_42 + 95)
+# define tbid_krbbkp (BASE_42 + 96)
+# define tbid_krrpkp (BASE_42 + 97)
+# define tbid_krrnkp (BASE_42 + 98)
+# define tbid_krrbkp (BASE_42 + 99)
+# define tbid_krrrkp (BASE_42 + 100)
+# define tbid_kqppkp (BASE_42 + 101)
+# define tbid_kqnpkp (BASE_42 + 102)
+# define tbid_kqnnkp (BASE_42 + 103)
+# define tbid_kqbpkp (BASE_42 + 104)
+# define tbid_kqbnkp (BASE_42 + 105)
+# define tbid_kqbbkp (BASE_42 + 106)
+# define tbid_kqrpkp (BASE_42 + 107)
+# define tbid_kqrnkp (BASE_42 + 108)
+# define tbid_kqrbkp (BASE_42 + 109)
+# define tbid_kqrrkp (BASE_42 + 110)
+# define tbid_kqqpkp (BASE_42 + 111)
+# define tbid_kqqnkp (BASE_42 + 112)
+# define tbid_kqqbkp (BASE_42 + 113)
+# define tbid_kqqrkp (BASE_42 + 114)
+# define tbid_kqqqkp (BASE_42 + 115)
+# define tbid_kpppkn (BASE_42 + 116)
+# define tbid_knppkn (BASE_42 + 117)
+# define tbid_knnpkn (BASE_42 + 118)
+# define tbid_kbppkn (BASE_42 + 119)
+# define tbid_kbnpkn (BASE_42 + 120)
+# define tbid_kbbpkn (BASE_42 + 121)
+# define tbid_krppkn (BASE_42 + 122)
+# define tbid_krnpkn (BASE_42 + 123)
+# define tbid_krbpkn (BASE_42 + 124)
+# define tbid_krrpkn (BASE_42 + 125)
+# define tbid_kqppkn (BASE_42 + 126)
+# define tbid_kqnpkn (BASE_42 + 127)
+# define tbid_kqbpkn (BASE_42 + 128)
+# define tbid_kqrpkn (BASE_42 + 129)
+# define tbid_kqqpkn (BASE_42 + 130)
+# define tbid_kpppkb (BASE_42 + 131)
+# define tbid_knppkb (BASE_42 + 132)
+# define tbid_knnpkb (BASE_42 + 133)
+# define tbid_kbppkb (BASE_42 + 134)
+# define tbid_kbnpkb (BASE_42 + 135)
+# define tbid_kbbpkb (BASE_42 + 136)
+# define tbid_krppkb (BASE_42 + 137)
+# define tbid_krnpkb (BASE_42 + 138)
+# define tbid_krbpkb (BASE_42 + 139)
+# define tbid_krrpkb (BASE_42 + 140)
+# define tbid_kqppkb (BASE_42 + 141)
+# define tbid_kqnpkb (BASE_42 + 142)
+# define tbid_kqbpkb (BASE_42 + 143)
+# define tbid_kqrpkb (BASE_42 + 144)
+# define tbid_kqqpkb (BASE_42 + 145)
+# define tbid_kpppkr (BASE_42 + 146)
+# define tbid_knppkr (BASE_42 + 147)
+# define tbid_knnpkr (BASE_42 + 148)
+# define tbid_kbppkr (BASE_42 + 149)
+# define tbid_kbnpkr (BASE_42 + 150)
+# define tbid_kbbpkr (BASE_42 + 151)
+# define tbid_krppkr (BASE_42 + 152)
+# define tbid_krnpkr (BASE_42 + 153)
+# define tbid_krbpkr (BASE_42 + 154)
+# define tbid_krrpkr (BASE_42 + 155)
+# define tbid_kqppkr (BASE_42 + 156)
+# define tbid_kqnpkr (BASE_42 + 157)
+# define tbid_kqbpkr (BASE_42 + 158)
+# define tbid_kqrpkr (BASE_42 + 159)
+# define tbid_kqqpkr (BASE_42 + 160)
+# define tbid_kpppkq (BASE_42 + 161)
+# define tbid_knppkq (BASE_42 + 162)
+# define tbid_knnpkq (BASE_42 + 163)
+# define tbid_kbppkq (BASE_42 + 164)
+# define tbid_kbnpkq (BASE_42 + 165)
+# define tbid_kbbpkq (BASE_42 + 166)
+# define tbid_krppkq (BASE_42 + 167)
+# define tbid_krnpkq (BASE_42 + 168)
+# define tbid_krbpkq (BASE_42 + 169)
+# define tbid_krrpkq (BASE_42 + 170)
+# define tbid_kqppkq (BASE_42 + 171)
+# define tbid_kqnpkq (BASE_42 + 172)
+# define tbid_kqbpkq (BASE_42 + 173)
+# define tbid_kqrpkq (BASE_42 + 174)
+# define tbid_kqqpkq (BASE_42 + 175)
+
+# define C42 175
+# else
+# define C42 64
+# endif
+#endif
+
+#if defined (T42_INCLUDE)
+# define cTb (BASE_42 + C42 + 1)
+#else
+# define cTb (BASE_42 + 1)
+#endif
+
+// Compression
+
+#include "tbdecode.h"
+
+#if !defined (CPUS)
+# define CPUS 1
+#endif
+
+#if defined (SMP)
+ static lock_t lockDecode;
+#endif
+extern "C" int TB_CRC_CHECK = 0;
+static int cCompressed = 0;
+static decode_block *rgpdbDecodeBlocks[CPUS];
+
+// Information about tablebases
+
+#define MAX_EXTENTS 18 /* Maximum # of 2Gb file extents */
+
+#if defined (T33_INCLUDE) || defined (T42_INCLUDE)
+# define MAX_TOTAL_PIECES 6 /* Maximum # of pieces on the board */
+#else
+# define MAX_TOTAL_PIECES 5 /* Maximum # of pieces on the board */
+#endif
+#define MAX_NON_KINGS (MAX_TOTAL_PIECES - 2)
+
+#if !defined (TB_DIRECTORY_SIZE)
+# define TB_DIRECTORY_SIZE 32 /* # of cache buckets */
+#endif
+
+#if !defined (PFNCALCINDEX_DECLARED)
+typedef INDEX (TB_FASTCALL * PfnCalcIndex) (square *psqW, square *psqB,
+ square sqEnP, int fInverse);
+# define PFNCALCINDEX_DECLARED
+#endif
+
+struct CTbCache;
+
+typedef struct // Hungarian: tbcb
+ {
+#if defined (SMP)
+ lock_t m_lock; // Lock on this cache bucket list
+#endif
+ volatile CTbCache * volatile m_ptbcFirst; // Cached file chunks in LRU order
+ }
+ CTbCacheBucket;
+
+typedef struct // Hungarian: tbd
+ {
+ int m_iTbId;
+ unsigned int m_fSymmetric:1;
+ unsigned int m_f16bit:1;
+ unsigned int m_fSplit:1;
+ PfnCalcIndex m_rgpfnCalcIndex[2];
+ char m_rgchName[MAX_TOTAL_PIECES+1];
+ INDEX m_rgcbLength[2];
+ char *m_rgpchFileName[2][MAX_EXTENTS];
+#if defined (SMP)
+ lock_t m_rglockFiles[2];
+#endif
+ FILE *m_rgfpFiles[2][MAX_EXTENTS];
+ decode_info *m_rgpdiDecodeInfo[2][MAX_EXTENTS];
+ CTbCacheBucket *m_prgtbcbBuckets[2]; // Cached file chunks in LRU order
+ BYTE *m_rgpbRead[2];
+ }
+ CTbDesc;
+
+#if defined (T_INDEX64) && defined (_MSC_VER)
+# define TB(name, fSym, f16bit, fSplit, funW, funB, cbW, cbB)\
+ { tbid_##name, fSym, f16bit, fSplit, { funW, funB }, #name, { cbW##ui64, cbB##ui64 } },
+#elif defined (T_INDEX64)
+# define TB(name, fSym, f16bit, fSplit, funW, funB, cbW, cbB)\
+ { tbid_##name, fSym, f16bit, fSplit, { funW, funB }, #name, { cbW##llu, cbB##llu } },
+#else
+# define TB(name, fSym, f16bit, fSplit, funW, funB, cbW, cbB)\
+ { tbid_##name, fSym, f16bit, fSplit, { funW, funB }, #name, { cbW##u, cbB##u } },
+#endif
+
+#define P x_piecePawn
+#define N x_pieceKnight
+#define B x_pieceBishop
+#define R x_pieceRook
+#define Q x_pieceQueen
+
+CTbDesc rgtbdDesc[cTb] =
+ {
+ TB (kk, true, false, false, NULL, NULL, 0, 0)
+
+ TB (kpk, false, false, false, (T21<P>::IndCalcW), (T21<P>::IndCalcB), 81664, 84012)
+ TB (knk, false, false, false, (T21<N>::IndCalcW), (T21<N>::IndCalcB), 26282, 28644)
+ TB (kbk, false, false, false, (T21<B>::IndCalcW), (T21<B>::IndCalcB), 27243, 28644)
+ TB (krk, false, false, false, (T21<R>::IndCalcW), (T21<R>::IndCalcB), 27030, 28644)
+ TB (kqk, false, false, false, (T21<Q>::IndCalcW), (T21<Q>::IndCalcB), 25629, 28644)
+
+ TB (kpkp, false, false, false, (T22<P, P>::IndCalcW), (T22<P, P>::IndCalcB), 3863492, 3863492)
+ TB (knkp, false, false, false, (T22<N, P>::IndCalcW), (T22<N, P>::IndCalcB), 4931904, 4981504)
+ TB (knkn, true, false, false, (T22<N, N>::IndCalcW), (T22<N, N>::IndCalcB), 1603202, 1603202)
+ TB (kbkp, false, false, false, (T22<B, P>::IndCalcW), (T22<B, P>::IndCalcB), 5112000, 4981504)
+ TB (kbkn, false, false, false, (T22<B, N>::IndCalcW), (T22<B, N>::IndCalcB), 1661823, 1603202)
+ TB (kbkb, true, false, false, (T22<B, B>::IndCalcW), (T22<B, B>::IndCalcB), 1661823, 1661823)
+ TB (krkp, false, false, false, (T22<R, P>::IndCalcW), (T22<R, P>::IndCalcB), 5072736, 4981504)
+ TB (krkn, false, false, false, (T22<R, N>::IndCalcW), (T22<R, N>::IndCalcB), 1649196, 1603202)
+ TB (krkb, false, false, false, (T22<R, B>::IndCalcW), (T22<R, B>::IndCalcB), 1649196, 1661823)
+ TB (krkr, true, false, false, (T22<R, R>::IndCalcW), (T22<R, R>::IndCalcB), 1649196, 1649196)
+ TB (kqkp, false, false, false, (T22<Q, P>::IndCalcW), (T22<Q, P>::IndCalcB), 4810080, 4981504)
+ TB (kqkn, false, false, false, (T22<Q, N>::IndCalcW), (T22<Q, N>::IndCalcB), 1563735, 1603202)
+ TB (kqkb, false, false, false, (T22<Q, B>::IndCalcW), (T22<Q, B>::IndCalcB), 1563735, 1661823)
+ TB (kqkr, false, false, false, (T22<Q, R>::IndCalcW), (T22<Q, R>::IndCalcB), 1563735, 1649196)
+ TB (kqkq, true, false, false, (T22<Q, Q>::IndCalcW), (T22<Q, Q>::IndCalcB), 1563735, 1563735)
+ TB (kppk, false, false, false, (T31<P, P>::IndCalcW), (T31<P, P>::IndCalcB), 1806671, 1912372)
+ TB (knpk, false, false, false, (T31<N, P>::IndCalcW), (T31<N, P>::IndCalcB), 4648581, 5124732)
+ TB (knnk, false, false, false, (T31<N, N>::IndCalcW), (T31<N, N>::IndCalcB), 735304, 873642)
+ TB (kbpk, false, false, false, (T31<B, P>::IndCalcW), (T31<B, P>::IndCalcB), 4817128, 5124732)
+ TB (kbnk, false, false, false, (T31<B, N>::IndCalcW), (T31<B, N>::IndCalcB), 1550620, 1747284)
+ TB (kbbk, false, false, false, (T31<B, B>::IndCalcW), (T31<B, B>::IndCalcB), 789885, 873642)
+ TB (krpk, false, false, false, (T31<R, P>::IndCalcW), (T31<R, P>::IndCalcB), 4779530, 5124732)
+ TB (krnk, false, false, false, (T31<R, N>::IndCalcW), (T31<R, N>::IndCalcB), 1538479, 1747284)
+ TB (krbk, false, false, false, (T31<R, B>::IndCalcW), (T31<R, B>::IndCalcB), 1594560, 1747284)
+ TB (krrk, false, false, false, (T31<R, R>::IndCalcW), (T31<R, R>::IndCalcB), 777300, 873642)
+ TB (kqpk, false, false, false, (T31<Q, P>::IndCalcW), (T31<Q, P>::IndCalcB), 4533490, 5124732)
+ TB (kqnk, false, false, false, (T31<Q, N>::IndCalcW), (T31<Q, N>::IndCalcB), 1459616, 1747284)
+ TB (kqbk, false, false, false, (T31<Q, B>::IndCalcW), (T31<Q, B>::IndCalcB), 1512507, 1747284)
+ TB (kqrk, false, false, false, (T31<Q, R>::IndCalcW), (T31<Q, R>::IndCalcB), 1500276, 1747284)
+ TB (kqqk, false, false, false, (T31<Q, Q>::IndCalcW), (T31<Q, Q>::IndCalcB), 698739, 873642)
+
+#if !defined (KPPKP_16BIT)
+ TB (kppkp, false, false, false, (T32<P, P, P>::IndCalcW), (T32<P, P, P>::IndCalcB), 84219361, 89391280)
+#else
+ TB (kppkp, false, true, false, (T32<P, P, P>::IndCalcW), (T32<P, P, P>::IndCalcB), 84219361, 89391280)
+#endif
+ TB (kppkn, false, false, false, (T32<P, P, N>::IndCalcW), (T32<P, P, N>::IndCalcB), 108400260, 115899744)
+ TB (kppkb, false, false, false, (T32<P, P, B>::IndCalcW), (T32<P, P, B>::IndCalcB), 108400260, 120132000)
+ TB (kppkr, false, false, false, (T32<P, P, R>::IndCalcW), (T32<P, P, R>::IndCalcB), 108400260, 119209296)
+ TB (kppkq, false, false, false, (T32<P, P, Q>::IndCalcW), (T32<P, P, Q>::IndCalcB), 108400260, 113036880)
+ TB (knpkp, false, false, false, (T32<N, P, P>::IndCalcW), (T32<N, P, P>::IndCalcB), 219921779, 231758952)
+ TB (knpkn, false, false, false, (T32<N, P, N>::IndCalcW), (T32<N, P, N>::IndCalcB), 278914860, 295914240)
+ TB (knpkb, false, false, false, (T32<N, P, B>::IndCalcW), (T32<N, P, B>::IndCalcB), 278914860, 306720000)
+ TB (knpkr, false, false, false, (T32<N, P, R>::IndCalcW), (T32<N, P, R>::IndCalcB), 278914860, 304369920)
+ TB (knpkq, false, false, false, (T32<N, P, Q>::IndCalcW), (T32<N, P, Q>::IndCalcB), 278914860, 288610560)
+ TB (knnkp, false, false, false, (T32<N, N, P>::IndCalcW), (T32<N, N, P>::IndCalcB), 137991648, 149445120)
+ TB (knnkn, false, false, false, (T32<N, N, N>::IndCalcW), (T32<N, N, N>::IndCalcB), 44118240, 48096060)
+ TB (knnkb, false, false, false, (T32<N, N, B>::IndCalcW), (T32<N, N, B>::IndCalcB), 44118240, 49854690)
+ TB (knnkr, false, false, false, (T32<N, N, R>::IndCalcW), (T32<N, N, R>::IndCalcB), 44118240, 49475880)
+ TB (knnkq, false, false, false, (T32<N, N, Q>::IndCalcW), (T32<N, N, Q>::IndCalcB), 44118240, 46912050)
+ TB (kbpkp, false, false, false, (T32<B, P, P>::IndCalcW), (T32<B, P, P>::IndCalcB), 227896016, 231758952)
+ TB (kbpkn, false, false, false, (T32<B, P, N>::IndCalcW), (T32<B, P, N>::IndCalcB), 289027680, 295914240)
+ TB (kbpkb, false, false, false, (T32<B, P, B>::IndCalcW), (T32<B, P, B>::IndCalcB), 289027680, 306720000)
+ TB (kbpkr, false, false, false, (T32<B, P, R>::IndCalcW), (T32<B, P, R>::IndCalcB), 289027680, 304369920)
+ TB (kbpkq, false, false, false, (T32<B, P, Q>::IndCalcW), (T32<B, P, Q>::IndCalcB), 289027680, 288610560)
+ TB (kbnkp, false, false, false, (T32<B, N, P>::IndCalcW), (T32<B, N, P>::IndCalcB), 290989584, 298890240)
+ TB (kbnkn, false, false, false, (T32<B, N, N>::IndCalcW), (T32<B, N, N>::IndCalcB), 93037200, 96192120)
+ TB (kbnkb, false, false, false, (T32<B, N, B>::IndCalcW), (T32<B, N, B>::IndCalcB), 93037200, 99709380)
+ TB (kbnkr, false, false, false, (T32<B, N, R>::IndCalcW), (T32<B, N, R>::IndCalcB), 93037200, 98951760)
+ TB (kbnkq, false, false, false, (T32<B, N, Q>::IndCalcW), (T32<B, N, Q>::IndCalcB), 93037200, 93824100)
+ TB (kbbkp, false, false, false, (T32<B, B, P>::IndCalcW), (T32<B, B, P>::IndCalcB), 148223520, 149445120)
+ TB (kbbkn, false, false, false, (T32<B, B, N>::IndCalcW), (T32<B, B, N>::IndCalcB), 47393100, 48096060)
+ TB (kbbkb, false, false, false, (T32<B, B, B>::IndCalcW), (T32<B, B, B>::IndCalcB), 47393100, 49854690)
+ TB (kbbkr, false, false, false, (T32<B, B, R>::IndCalcW), (T32<B, B, R>::IndCalcB), 47393100, 49475880)
+ TB (kbbkq, false, false, false, (T32<B, B, Q>::IndCalcW), (T32<B, B, Q>::IndCalcB), 47393100, 46912050)
+ TB (krpkp, false, false, false, (T32<R, P, P>::IndCalcW), (T32<R, P, P>::IndCalcB), 226121876, 231758952)
+ TB (krpkn, false, false, false, (T32<R, P, N>::IndCalcW), (T32<R, P, N>::IndCalcB), 286777440, 295914240)
+ TB (krpkb, false, false, false, (T32<R, P, B>::IndCalcW), (T32<R, P, B>::IndCalcB), 286777440, 306720000)
+ TB (krpkr, false, false, false, (T32<R, P, R>::IndCalcW), (T32<R, P, R>::IndCalcB), 286777440, 304369920)
+ TB (krpkq, false, false, false, (T32<R, P, Q>::IndCalcW), (T32<R, P, Q>::IndCalcB), 286777440, 288610560)
+ TB (krnkp, false, false, false, (T32<R, N, P>::IndCalcW), (T32<R, N, P>::IndCalcB), 288692928, 298890240)
+ TB (krnkn, false, false, false, (T32<R, N, N>::IndCalcW), (T32<R, N, N>::IndCalcB), 92308740, 96192120)
+ TB (krnkb, false, false, false, (T32<R, N, B>::IndCalcW), (T32<R, N, B>::IndCalcB), 92308740, 99709380)
+ TB (krnkr, false, false, false, (T32<R, N, R>::IndCalcW), (T32<R, N, R>::IndCalcB), 92308740, 98951760)
+ TB (krnkq, false, false, false, (T32<R, N, Q>::IndCalcW), (T32<R, N, Q>::IndCalcB), 92308740, 93824100)
+ TB (krbkp, false, false, false, (T32<R, B, P>::IndCalcW), (T32<R, B, P>::IndCalcB), 299203200, 298890240)
+ TB (krbkn, false, false, false, (T32<R, B, N>::IndCalcW), (T32<R, B, N>::IndCalcB), 95673600, 96192120)
+ TB (krbkb, false, false, false, (T32<R, B, B>::IndCalcW), (T32<R, B, B>::IndCalcB), 95673600, 99709380)
+ TB (krbkr, false, false, false, (T32<R, B, R>::IndCalcW), (T32<R, B, R>::IndCalcB), 95673600, 98951760)
+ TB (krbkq, false, false, false, (T32<R, B, Q>::IndCalcW), (T32<R, B, Q>::IndCalcB), 95673600, 93824100)
+ TB (krrkp, false, false, false, (T32<R, R, P>::IndCalcW), (T32<R, R, P>::IndCalcB), 145901232, 149445120)
+ TB (krrkn, false, false, false, (T32<R, R, N>::IndCalcW), (T32<R, R, N>::IndCalcB), 46658340, 48096060)
+ TB (krrkb, false, false, false, (T32<R, R, B>::IndCalcW), (T32<R, R, B>::IndCalcB), 46658340, 49854690)
+ TB (krrkr, false, false, false, (T32<R, R, R>::IndCalcW), (T32<R, R, R>::IndCalcB), 46658340, 49475880)
+ TB (krrkq, false, false, false, (T32<R, R, Q>::IndCalcW), (T32<R, R, Q>::IndCalcB), 46658340, 46912050)
+ TB (kqpkp, false, false, false, (T32<Q, P, P>::IndCalcW), (T32<Q, P, P>::IndCalcB), 214481388, 231758952)
+ TB (kqpkn, false, false, false, (T32<Q, P, N>::IndCalcW), (T32<Q, P, N>::IndCalcB), 272015040, 295914240)
+ TB (kqpkb, false, false, false, (T32<Q, P, B>::IndCalcW), (T32<Q, P, B>::IndCalcB), 272015040, 306720000)
+ TB (kqpkr, false, false, false, (T32<Q, P, R>::IndCalcW), (T32<Q, P, R>::IndCalcB), 272015040, 304369920)
+ TB (kqpkq, false, false, false, (T32<Q, P, Q>::IndCalcW), (T32<Q, P, Q>::IndCalcB), 272015040, 288610560)
+ TB (kqnkp, false, false, false, (T32<Q, N, P>::IndCalcW), (T32<Q, N, P>::IndCalcB), 273904512, 298890240)
+ TB (kqnkn, false, false, false, (T32<Q, N, N>::IndCalcW), (T32<Q, N, N>::IndCalcB), 87576960, 96192120)
+ TB (kqnkb, false, false, false, (T32<Q, N, B>::IndCalcW), (T32<Q, N, B>::IndCalcB), 87576960, 99709380)
+ TB (kqnkr, false, false, false, (T32<Q, N, R>::IndCalcW), (T32<Q, N, R>::IndCalcB), 87576960, 98951760)
+ TB (kqnkq, false, false, false, (T32<Q, N, Q>::IndCalcW), (T32<Q, N, Q>::IndCalcB), 87576960, 93824100)
+ TB (kqbkp, false, false, false, (T32<Q, B, P>::IndCalcW), (T32<Q, B, P>::IndCalcB), 283818240, 298890240)
+ TB (kqbkn, false, false, false, (T32<Q, B, N>::IndCalcW), (T32<Q, B, N>::IndCalcB), 90750420, 96192120)
+ TB (kqbkb, false, false, false, (T32<Q, B, B>::IndCalcW), (T32<Q, B, B>::IndCalcB), 90750420, 99709380)
+ TB (kqbkr, false, false, false, (T32<Q, B, R>::IndCalcW), (T32<Q, B, R>::IndCalcB), 90750420, 98951760)
+ TB (kqbkq, false, false, false, (T32<Q, B, Q>::IndCalcW), (T32<Q, B, Q>::IndCalcB), 90750420, 93824100)
+ TB (kqrkp, false, false, false, (T32<Q, R, P>::IndCalcW), (T32<Q, R, P>::IndCalcB), 281568240, 298890240)
+ TB (kqrkn, false, false, false, (T32<Q, R, N>::IndCalcW), (T32<Q, R, N>::IndCalcB), 90038460, 96192120)
+ TB (kqrkb, false, false, false, (T32<Q, R, B>::IndCalcW), (T32<Q, R, B>::IndCalcB), 90038460, 99709380)
+ TB (kqrkr, false, false, false, (T32<Q, R, R>::IndCalcW), (T32<Q, R, R>::IndCalcB), 90038460, 98951760)
+ TB (kqrkq, false, false, false, (T32<Q, R, Q>::IndCalcW), (T32<Q, R, Q>::IndCalcB), 90038460, 93824100)
+ TB (kqqkp, false, false, false, (T32<Q, Q, P>::IndCalcW), (T32<Q, Q, P>::IndCalcB), 131170128, 149445120)
+ TB (kqqkn, false, false, false, (T32<Q, Q, N>::IndCalcW), (T32<Q, Q, N>::IndCalcB), 41944320, 48096060)
+ TB (kqqkb, false, false, false, (T32<Q, Q, B>::IndCalcW), (T32<Q, Q, B>::IndCalcB), 41944320, 49854690)
+ TB (kqqkr, false, false, false, (T32<Q, Q, R>::IndCalcW), (T32<Q, Q, R>::IndCalcB), 41944320, 49475880)
+ TB (kqqkq, false, false, false, (T32<Q, Q, Q>::IndCalcW), (T32<Q, Q, Q>::IndCalcB), 41944320, 46912050)
+
+#if defined (T41_INCLUDE)
+ TB (kpppk, false, false, false, (T41<P, P, P>::IndCalcW), (T41<P, P, P>::IndCalcB), 26061704, 28388716)
+ TB (knppk, false, false, false, (T41<N, P, P>::IndCalcW), (T41<N, P, P>::IndCalcB), 102898651, 114742320)
+ TB (knnpk, false, false, false, (T41<N, N, P>::IndCalcW), (T41<N, N, P>::IndCalcB), 130135501, 153741960)
+ TB (knnnk, false, false, false, (T41<N, N, N>::IndCalcW), (T41<N, N, N>::IndCalcB), 13486227, 17472840)
+ TB (kbppk, false, false, false, (T41<B, P, P>::IndCalcW), (T41<B, P, P>::IndCalcB), 106602156, 114742320)
+ TB (kbnpk, false, false, false, (T41<B, N, P>::IndCalcW), (T41<B, N, P>::IndCalcB), 274352939, 307483920)
+ TB (kbnnk, false, false, false, (T41<B, N, N>::IndCalcW), (T41<B, N, N>::IndCalcB), 43406294, 52418520)
+ TB (kbbpk, false, false, false, (T41<B, B, P>::IndCalcW), (T41<B, B, P>::IndCalcB), 139715040, 153741960)
+ TB (kbbnk, false, false, false, (T41<B, B, N>::IndCalcW), (T41<B, B, N>::IndCalcB), 44983618, 52418520)
+ TB (kbbbk, false, false, false, (T41<B, B, B>::IndCalcW), (T41<B, B, B>::IndCalcB), 15010230, 17472840)
+ TB (krppk, false, false, false, (T41<R, P, P>::IndCalcW), (T41<R, P, P>::IndCalcB), 105758666, 114742320)
+ TB (krnpk, false, false, false, (T41<R, N, P>::IndCalcW), (T41<R, N, P>::IndCalcB), 272153675, 307483920)
+ TB (krnnk, false, false, false, (T41<R, N, N>::IndCalcW), (T41<R, N, N>::IndCalcB), 43056198, 52418520)
+ TB (krbpk, false, false, false, (T41<R, B, P>::IndCalcW), (T41<R, B, P>::IndCalcB), 281991360, 307483920)
+ TB (krbnk, false, false, false, (T41<R, B, N>::IndCalcW), (T41<R, B, N>::IndCalcB), 90787358, 104837040)
+ TB (krbbk, false, false, false, (T41<R, B, B>::IndCalcW), (T41<R, B, B>::IndCalcB), 46242089, 52418520)
+ TB (krrpk, false, false, false, (T41<R, R, P>::IndCalcW), (T41<R, R, P>::IndCalcB), 137491197, 153741960)
+ TB (krrnk, false, false, false, (T41<R, R, N>::IndCalcW), (T41<R, R, N>::IndCalcB), 44265261, 52418520)
+ TB (krrbk, false, false, false, (T41<R, R, B>::IndCalcW), (T41<R, R, B>::IndCalcB), 45873720, 52418520)
+ TB (krrrk, false, false, false, (T41<R, R, R>::IndCalcW), (T41<R, R, R>::IndCalcB), 14644690, 17472840)
+ TB (kqppk, false, false, false, (T41<Q, P, P>::IndCalcW), (T41<Q, P, P>::IndCalcB), 100347220, 114742320)
+ TB (kqnpk, false, false, false, (T41<Q, N, P>::IndCalcW), (T41<Q, N, P>::IndCalcB), 258294639, 307483920)
+ TB (kqnnk, false, false, false, (T41<Q, N, N>::IndCalcW), (T41<Q, N, N>::IndCalcB), 40873646, 52418520)
+ TB (kqbpk, false, false, false, (T41<Q, B, P>::IndCalcW), (T41<Q, B, P>::IndCalcB), 267576632, 307483920)
+ TB (kqbnk, false, false, false, (T41<Q, B, N>::IndCalcW), (T41<Q, B, N>::IndCalcB), 86166717, 104837040)
+ TB (kqbbk, false, false, false, (T41<Q, B, B>::IndCalcW), (T41<Q, B, B>::IndCalcB), 43879679, 52418520)
+ TB (kqrpk, false, false, false, (T41<Q, R, P>::IndCalcW), (T41<Q, R, P>::IndCalcB), 265421907, 307483920)
+ TB (kqrnk, false, false, false, (T41<Q, R, N>::IndCalcW), (T41<Q, R, N>::IndCalcB), 85470603, 104837040)
+ TB (kqrbk, false, false, false, (T41<Q, R, B>::IndCalcW), (T41<Q, R, B>::IndCalcB), 88557959, 104837040)
+ TB (kqrrk, false, false, false, (T41<Q, R, R>::IndCalcW), (T41<Q, R, R>::IndCalcB), 43157690, 52418520)
+ TB (kqqpk, false, false, false, (T41<Q, Q, P>::IndCalcW), (T41<Q, Q, P>::IndCalcB), 123688859, 153741960)
+ TB (kqqnk, false, false, false, (T41<Q, Q, N>::IndCalcW), (T41<Q, Q, N>::IndCalcB), 39840787, 52418520)
+ TB (kqqbk, false, false, false, (T41<Q, Q, B>::IndCalcW), (T41<Q, Q, B>::IndCalcB), 41270973, 52418520)
+ TB (kqqrk, false, false, false, (T41<Q, Q, R>::IndCalcW), (T41<Q, Q, R>::IndCalcB), 40916820, 52418520)
+ TB (kqqqk, false, false, false, (T41<Q, Q, Q>::IndCalcW), (T41<Q, Q, Q>::IndCalcB), 12479974, 17472840)
+#endif
+
+#if defined (T33_INCLUDE)
+ TB (knnknn, true, false, false, (T33<N, N, N, N>::IndCalcW), (T33<N, N, N, N>::IndCalcB), 1301488080, 1301488080)
+ TB (kbnknn, false, false, false, (T33<B, N, N, N>::IndCalcW), (T33<B, N, N, N>::IndCalcB), 2744597400, 2602976160)
+ TB (kbbknn, false, false, false, (T33<B, B, N, N>::IndCalcW), (T33<B, B, N, N>::IndCalcB), 1398096450, 1301488080)
+ TB (kbbkbn, false, false, false, (T33<B, B, B, N>::IndCalcW), (T33<B, B, B, N>::IndCalcB), 2796192900, 2744597400)
+ TB (kbbkbb, true, false, false, (T33<B, B, B, B>::IndCalcW), (T33<B, B, B, B>::IndCalcB), 1398096450, 1398096450)
+ TB (krnknn, false, true, false, (T33<R, N, N, N>::IndCalcW), (T33<R, N, N, N>::IndCalcB), 2723107830, 2602976160)
+ TB (krnkbb, false, true, false, (T33<R, N, B, B>::IndCalcW), (T33<R, N, B, B>::IndCalcB), 2723107830, 2796192900)
+ TB (krbknn, false, true, false, (T33<R, B, N, N>::IndCalcW), (T33<R, B, N, N>::IndCalcB), 2822371200, 2602976160)
+ TB (krbkbb, false, false, false, (T33<R, B, B, B>::IndCalcW), (T33<R, B, B, B>::IndCalcB), 2822371200, 2796192900)
+ TB (krrknn, false, false, false, (T33<R, R, N, N>::IndCalcW), (T33<R, R, N, N>::IndCalcB), 1376421030, 1301488080)
+ TB (krrkbn, false, false, false, (T33<R, R, B, N>::IndCalcW), (T33<R, R, B, N>::IndCalcB), 2752842060, 2744597400)
+ TB (krrkbb, false, false, false, (T33<R, R, B, B>::IndCalcW), (T33<R, R, B, B>::IndCalcB), 1376421030, 1398096450)
+ TB (krrkrn, false, false, false, (T33<R, R, R, N>::IndCalcW), (T33<R, R, R, N>::IndCalcB), 2752842060, 2723107830)
+ TB (krrkrb, false, false, false, (T33<R, R, R, B>::IndCalcW), (T33<R, R, R, B>::IndCalcB), 2752842060, 2822371200)
+ TB (krrkrr, true, false, false, (T33<R, R, R, R>::IndCalcW), (T33<R, R, R, R>::IndCalcB), 1376421030, 1376421030)
+ TB (kqnknn, false, false, false, (T33<Q, N, N, N>::IndCalcW), (T33<Q, N, N, N>::IndCalcB), 2583520320, 2602976160)
+ TB (kqnkbb, false, false, false, (T33<Q, N, B, B>::IndCalcW), (T33<Q, N, B, B>::IndCalcB), 2583520320, 2796192900)
+ TB (kqnkrr, false, true, false, (T33<Q, N, R, R>::IndCalcW), (T33<Q, N, R, R>::IndCalcB), 2583520320, 2752842060)
+ TB (kqbknn, false, false, false, (T33<Q, B, N, N>::IndCalcW), (T33<Q, B, N, N>::IndCalcB), 2677137390, 2602976160)
+ TB (kqbkbb, false, false, false, (T33<Q, B, B, B>::IndCalcW), (T33<Q, B, B, B>::IndCalcB), 2677137390, 2796192900)
+ TB (kqbkrr, false, false, false, (T33<Q, B, R, R>::IndCalcW), (T33<Q, B, R, R>::IndCalcB), 2677137390, 2752842060)
+ TB (kqrknn, false, false, false, (T33<Q, R, N, N>::IndCalcW), (T33<Q, R, N, N>::IndCalcB), 2656134570, 2602976160)
+ TB (kqrkbb, false, false, false, (T33<Q, R, B, B>::IndCalcW), (T33<Q, R, B, B>::IndCalcB), 2656134570, 2796192900)
+ TB (kqrkrr, false, false, false, (T33<Q, R, R, R>::IndCalcW), (T33<Q, R, R, R>::IndCalcB), 2656134570, 2752842060)
+ TB (kqqknn, false, false, false, (T33<Q, Q, N, N>::IndCalcW), (T33<Q, Q, N, N>::IndCalcB), 1237357440, 1301488080)
+ TB (kqqkbn, false, false, false, (T33<Q, Q, B, N>::IndCalcW), (T33<Q, Q, B, N>::IndCalcB), 2474714880, 2744597400)
+ TB (kqqkbb, false, false, false, (T33<Q, Q, B, B>::IndCalcW), (T33<Q, Q, B, B>::IndCalcB), 1237357440, 1398096450)
+ TB (kqqkrn, false, false, false, (T33<Q, Q, R, N>::IndCalcW), (T33<Q, Q, R, N>::IndCalcB), 2474714880, 2723107830)
+ TB (kqqkrb, false, false, false, (T33<Q, Q, R, B>::IndCalcW), (T33<Q, Q, R, B>::IndCalcB), 2474714880, 2822371200)
+ TB (kqqkrr, false, false, false, (T33<Q, Q, R, R>::IndCalcW), (T33<Q, Q, R, R>::IndCalcB), 1237357440, 1376421030)
+ TB (kqqkqn, false, false, false, (T33<Q, Q, Q, N>::IndCalcW), (T33<Q, Q, Q, N>::IndCalcB), 2474714880, 2583520320)
+ TB (kqqkqb, false, false, false, (T33<Q, Q, Q, B>::IndCalcW), (T33<Q, Q, Q, B>::IndCalcB), 2474714880, 2677137390)
+ TB (kqqkqr, false, false, false, (T33<Q, Q, Q, R>::IndCalcW), (T33<Q, Q, Q, R>::IndCalcB), 2474714880, 2656134570)
+ TB (kqqkqq, true, false, false, (T33<Q, Q, Q, Q>::IndCalcW), (T33<Q, Q, Q, Q>::IndCalcB), 1237357440, 1237357440)
+#if defined (T_INDEX64)
+ TB (kbnkbn, true, false, false, (T33<B, N, B, N>::IndCalcW), (T33<B, N, B, N>::IndCalcB), 5489194800, 5489194800)
+ TB (krnkrn, true, false, false, (T33<R, N, R, N>::IndCalcW), (T33<R, N, R, N>::IndCalcB), 5446215660, 5446215660)
+ TB (krbkrb, true, false, false, (T33<R, B, R, B>::IndCalcW), (T33<R, B, R, B>::IndCalcB), 5644742400, 5644742400)
+ TB (kqnkqn, true, false, false, (T33<Q, N, Q, N>::IndCalcW), (T33<Q, N, Q, N>::IndCalcB), 5167040640, 5167040640)
+ TB (kqbkqb, true, false, false, (T33<Q, B, Q, B>::IndCalcW), (T33<Q, B, Q, B>::IndCalcB), 5354274780, 5354274780)
+ TB (kqrkqr, true, false, false, (T33<Q, R, Q, R>::IndCalcW), (T33<Q, R, Q, R>::IndCalcB), 5312269140, 5312269140)
+ TB (krnkbn, false, true, true, (T33<R, N, B, N>::IndCalcW), (T33<R, N, B, N>::IndCalcB), 5446215660, 5489194800)
+ TB (krbkbn, false, false, true, (T33<R, B, B, N>::IndCalcW), (T33<R, B, B, N>::IndCalcB), 5644742400, 5489194800)
+ TB (krbkrn, false, false, false, (T33<R, B, R, N>::IndCalcW), (T33<R, B, R, N>::IndCalcB), 5644742400, 5446215660)
+ TB (kqnkbn, false, false, false, (T33<Q, N, B, N>::IndCalcW), (T33<Q, N, B, N>::IndCalcB), 5167040640, 5489194800)
+ TB (kqnkrn, false, false, true, (T33<Q, N, R, N>::IndCalcW), (T33<Q, N, R, N>::IndCalcB), 5167040640, 5446215660)
+ TB (kqnkrb, false, false, true, (T33<Q, N, R, B>::IndCalcW), (T33<Q, N, R, B>::IndCalcB), 5167040640, 5644742400)
+ TB (kqbkbn, false, false, false, (T33<Q, B, B, N>::IndCalcW), (T33<Q, B, B, N>::IndCalcB), 5354274780, 5489194800)
+ TB (kqbkrn, false, false, true, (T33<Q, B, R, N>::IndCalcW), (T33<Q, B, R, N>::IndCalcB), 5354274780, 5446215660)
+ TB (kqbkrb, false, false, true, (T33<Q, B, R, B>::IndCalcW), (T33<Q, B, R, B>::IndCalcB), 5354274780, 5644742400)
+ TB (kqbkqn, false, false, false, (T33<Q, B, Q, N>::IndCalcW), (T33<Q, B, Q, N>::IndCalcB), 5354274780, 5167040640)
+ TB (kqrkbn, false, false, false, (T33<Q, R, B, N>::IndCalcW), (T33<Q, R, B, N>::IndCalcB), 5312269140, 5489194800)
+ TB (kqrkrn, false, false, false, (T33<Q, R, R, N>::IndCalcW), (T33<Q, R, R, N>::IndCalcB), 5312269140, 5446215660)
+ TB (kqrkrb, false, false, false, (T33<Q, R, R, B>::IndCalcW), (T33<Q, R, R, B>::IndCalcB), 5312269140, 5644742400)
+ TB (kqrkqn, false, false, false, (T33<Q, R, Q, N>::IndCalcW), (T33<Q, R, Q, N>::IndCalcB), 5312269140, 5167040640)
+ TB (kqrkqb, false, false, false, (T33<Q, R, Q, B>::IndCalcW), (T33<Q, R, Q, B>::IndCalcB), 5312269140, 5354274780)
+
+ TB (kppkpp, true, true, false, (T33<P, P, P, P>::IndCalcW), (T33<P, P, P, P>::IndCalcBF), 1917741812, 1917741812)
+ TB (knpkpp, false, true, true, (T33<N, P, P, P>::IndCalcW), (T33<N, P, P, P>::IndCalcB), 5088408829, 4966717366)
+ TB (knpknp, true, false, true, (T33<N, P, N, P>::IndCalcW), (T33<N, P, N, P>::IndCalcBF), 12972508017, 12972508017)
+ TB (knnkpp, false, true, false, (T33<N, N, P, P>::IndCalcW), (T33<N, N, P, P>::IndCalcB), 3242803728, 3197807670)
+ TB (knnknp, false, true, true, (T33<N, N, N, P>::IndCalcW), (T33<N, N, N, P>::IndCalcB), 8141507232, 8227988370)
+ TB (kbpkpp, false, true, true, (T33<B, P, P, P>::IndCalcW), (T33<B, P, P, P>::IndCalcB), 5272919368, 4966717366)
+ TB (kbpknp, false, true, true, (T33<B, P, N, P>::IndCalcW), (T33<B, P, N, P>::IndCalcB), 13442882944, 12972508017)
+ TB (kbpknn, false, true, true, (T33<B, P, N, N>::IndCalcW), (T33<B, P, N, N>::IndCalcB), 8526316560, 8141507232)
+ TB (kbpkbp, true, false, true, (T33<B, P, B, P>::IndCalcW), (T33<B, P, B, P>::IndCalcBF), 13442882944, 13442882944)
+ TB (kbnkpp, false, true, true, (T33<B, N, P, P>::IndCalcW), (T33<B, N, P, P>::IndCalcB), 6838255224, 6395615340)
+ TB (kbnknp, false, true, true, (T33<B, N, N, P>::IndCalcW), (T33<B, N, N, P>::IndCalcB), 17168385456, 16455976740)
+ TB (kbnkbp, false, false, true, (T33<B, N, B, P>::IndCalcW), (T33<B, N, B, P>::IndCalcB), 17168385456, 17052633120)
+ TB (kbbkpp, false, false, false, (T33<B, B, P, P>::IndCalcW), (T33<B, B, P, P>::IndCalcB), 3483252720, 3197807670)
+ TB (kbbknp, false, true, true, (T33<B, B, N, P>::IndCalcW), (T33<B, B, N, P>::IndCalcB), 8745187680, 8227988370)
+ TB (kbbkbp, false, false, true, (T33<B, B, B, P>::IndCalcW), (T33<B, B, B, P>::IndCalcB), 8745187680, 8526316560)
+ TB (krpkpp, false, true, true, (T33<R, P, P, P>::IndCalcW), (T33<R, P, P, P>::IndCalcB), 5231873656, 4966717366)
+ TB (krpknp, false, true, true, (T33<R, P, N, P>::IndCalcW), (T33<R, P, N, P>::IndCalcB), 13338233184, 12972508017)
+ TB (krpknn, false, true, true, (T33<R, P, N, N>::IndCalcW), (T33<R, P, N, N>::IndCalcB), 8459934480, 8141507232)
+ TB (krpkbp, false, true, true, (T33<R, P, B, P>::IndCalcW), (T33<R, P, B, P>::IndCalcB), 13338233184, 13442882944)
+ TB (krpkbn, false, true, true, (T33<R, P, B, N>::IndCalcW), (T33<R, P, B, N>::IndCalcB), 16919868960, 17168385456)
+ TB (krpkbb, false, true, true, (T33<R, P, B, B>::IndCalcW), (T33<R, P, B, B>::IndCalcB), 8459934480, 8745187680)
+ TB (krpkrp, true, false, true, (T33<R, P, R, P>::IndCalcW), (T33<R, P, R, P>::IndCalcBF), 13338233184, 13338233184)
+ TB (krnkpp, false, true, true, (T33<R, N, P, P>::IndCalcW), (T33<R, N, P, P>::IndCalcB), 6784283808, 6395615340)
+ TB (krnknp, false, true, true, (T33<R, N, N, P>::IndCalcW), (T33<R, N, N, P>::IndCalcB), 17032882752, 16455976740)
+ TB (krnkbp, false, true, true, (T33<R, N, B, P>::IndCalcW), (T33<R, N, B, P>::IndCalcB), 17032882752, 17052633120)
+ TB (krnkrp, false, false, true, (T33<R, N, R, P>::IndCalcW), (T33<R, N, R, P>::IndCalcB), 17032882752, 16919868906)
+ TB (krbkpp, false, true, true, (T33<R, B, P, P>::IndCalcW), (T33<R, B, P, P>::IndCalcB), 7031275200, 6395615340)
+ TB (krbknp, false, true, true, (T33<R, B, N, P>::IndCalcW), (T33<R, B, N, P>::IndCalcB), 17652988800, 16455976740)
+ TB (krbkbp, false, false, true, (T33<R, B, B, P>::IndCalcW), (T33<R, B, B, P>::IndCalcB), 17652988800, 17052633120)
+ TB (krbkrp, false, false, true, (T33<R, B, R, P>::IndCalcW), (T33<R, B, R, P>::IndCalcB), 17652988800, 16919868906)
+ TB (krrkpp, false, true, false, (T33<R, R, P, P>::IndCalcW), (T33<R, R, P, P>::IndCalcB), 3428678952, 3197807670)
+ TB (krrknp, false, true, true, (T33<R, R, N, P>::IndCalcW), (T33<R, R, N, P>::IndCalcB), 8608504032, 8227988370)
+ TB (krrkbp, false, false, true, (T33<R, R, B, P>::IndCalcW), (T33<R, R, B, P>::IndCalcB), 8608504032, 8526316560)
+ TB (krrkrp, false, false, true, (T33<R, R, R, P>::IndCalcW), (T33<R, R, R, P>::IndCalcB), 8608504032, 8459934426)
+ TB (kqpkpp, false, true, true, (T33<Q, P, P, P>::IndCalcW), (T33<Q, P, P, P>::IndCalcB), 4962533664, 4966717366)
+ TB (kqpknp, false, false, true, (T33<Q, P, N, P>::IndCalcW), (T33<Q, P, N, P>::IndCalcB), 12651597608, 12972508017)
+ TB (kqpknn, false, false, true, (T33<Q, P, N, N>::IndCalcW), (T33<Q, P, N, N>::IndCalcB), 8024443680, 8141507232)
+ TB (kqpkbp, false, false, true, (T33<Q, P, B, P>::IndCalcW), (T33<Q, P, B, P>::IndCalcB), 12651597608, 13442882944)
+ TB (kqpkbn, false, false, true, (T33<Q, P, B, N>::IndCalcW), (T33<Q, P, B, N>::IndCalcB), 16048887360, 17168385456)
+ TB (kqpkbb, false, false, true, (T33<Q, P, B, B>::IndCalcW), (T33<Q, P, B, B>::IndCalcB), 8024443680, 8745187680)
+ TB (kqpkrp, false, false, true, (T33<Q, P, R, P>::IndCalcW), (T33<Q, P, R, P>::IndCalcB), 12651597608, 13338233184)
+ TB (kqpkrn, false, false, true, (T33<Q, P, R, N>::IndCalcW), (T33<Q, P, R, N>::IndCalcB), 16048887360, 17032882752)
+ TB (kqpkrb, false, true, true, (T33<Q, P, R, B>::IndCalcW), (T33<Q, P, R, B>::IndCalcB), 16048887360, 17652988800)
+ TB (kqpkrr, false, true, true, (T33<Q, P, R, R>::IndCalcW), (T33<Q, P, R, R>::IndCalcB), 8024443680, 8608504032)
+ TB (kqpkqp, true, true, true, (T33<Q, P, Q, P>::IndCalcW), (T33<Q, P, Q, P>::IndCalcBF), 12651597608, 12651597608)
+ TB (kqnkpp, false, true, true, (T33<Q, N, P, P>::IndCalcW), (T33<Q, N, P, P>::IndCalcB), 6436756032, 6395615340)
+ TB (kqnknp, false, false, true, (T33<Q, N, N, P>::IndCalcW), (T33<Q, N, N, P>::IndCalcB), 16160366208, 16455976740)
+ TB (kqnkbp, false, false, true, (T33<Q, N, B, P>::IndCalcW), (T33<Q, N, B, P>::IndCalcB), 16160366208, 17052633120)
+ TB (kqnkrp, false, false, true, (T33<Q, N, R, P>::IndCalcW), (T33<Q, N, R, P>::IndCalcB), 16160366208, 16919868906)
+ TB (kqnkqp, false, true, true, (T33<Q, N, Q, P>::IndCalcW), (T33<Q, N, Q, P>::IndCalcB), 16160366208, 16048887306)
+ TB (kqbkpp, false, false, true, (T33<Q, B, P, P>::IndCalcW), (T33<Q, B, P, P>::IndCalcB), 6669728640, 6395615340)
+ TB (kqbknp, false, false, true, (T33<Q, B, N, P>::IndCalcW), (T33<Q, B, N, P>::IndCalcB), 16745276160, 16455976740)
+ TB (kqbkbp, false, false, true, (T33<Q, B, B, P>::IndCalcW), (T33<Q, B, B, P>::IndCalcB), 16745276160, 17052633120)
+ TB (kqbkrp, false, false, true, (T33<Q, B, R, P>::IndCalcW), (T33<Q, B, R, P>::IndCalcB), 16745276160, 16919868906)
+ TB (kqbkqp, false, true, true, (T33<Q, B, Q, P>::IndCalcW), (T33<Q, B, Q, P>::IndCalcB), 16745276160, 16048887306)
+ TB (kqrkpp, false, false, true, (T33<Q, R, P, P>::IndCalcW), (T33<Q, R, P, P>::IndCalcB), 6616853640, 6395615340)
+ TB (kqrknp, false, false, true, (T33<Q, R, N, P>::IndCalcW), (T33<Q, R, N, P>::IndCalcB), 16612871664, 16455976740)
+ TB (kqrkbp, false, false, true, (T33<Q, R, B, P>::IndCalcW), (T33<Q, R, B, P>::IndCalcB), 16612871664, 17052633120)
+ TB (kqrkrp, false, false, true, (T33<Q, R, R, P>::IndCalcW), (T33<Q, R, R, P>::IndCalcB), 16612871664, 16919868906)
+ TB (kqrkqp, false, true, true, (T33<Q, R, Q, P>::IndCalcW), (T33<Q, R, Q, P>::IndCalcB), 16612871664, 16048887306)
+ TB (kqqkpp, false, false, false, (T33<Q, Q, P, P>::IndCalcW), (T33<Q, Q, P, P>::IndCalcB), 3082498008, 3197807670)
+ TB (kqqknp, false, false, true, (T33<Q, Q, N, P>::IndCalcW), (T33<Q, Q, N, P>::IndCalcB), 7739363232, 8227988370)
+ TB (kqqkbp, false, false, true, (T33<Q, Q, B, P>::IndCalcW), (T33<Q, Q, B, P>::IndCalcB), 7739363232, 8526316560)
+ TB (kqqkrp, false, false, true, (T33<Q, Q, R, P>::IndCalcW), (T33<Q, Q, R, P>::IndCalcB), 7739363232, 8459934426)
+ TB (kqqkqp, false, false, true, (T33<Q, Q, Q, P>::IndCalcW), (T33<Q, Q, Q, P>::IndCalcB), 7739363232, 8024443626)
+#endif // T_INDEX64
+#endif // T33_INCLUDE
+
+#if defined (T42_INCLUDE)
+ TB (knnnkn, false, false, false, (T42<N, N, N, N>::IndCalcW), (T42<N, N, N, N>::IndCalcB), 795687393, 945889180)
+ TB (kbnnkn, false, false, false, (T42<B, N, N, N>::IndCalcW), (T42<B, N, N, N>::IndCalcB), 2560971346, 2837667540)
+ TB (kbbnkn, false, false, false, (T42<B, B, N, N>::IndCalcW), (T42<B, B, N, N>::IndCalcB), 2654033462, 2837667540)
+ TB (kbbbkn, false, false, false, (T42<B, B, B, N>::IndCalcW), (T42<B, B, B, N>::IndCalcB), 885603570, 945889180)
+ TB (krnnkn, false, false, false, (T42<R, N, N, N>::IndCalcW), (T42<R, N, N, N>::IndCalcB), 2540315682, 2837667540)
+ TB (krbbkn, false, false, false, (T42<R, B, B, N>::IndCalcW), (T42<R, B, B, N>::IndCalcB), 2728283251, 2837667540)
+ TB (krrnkn, false, false, false, (T42<R, R, N, N>::IndCalcW), (T42<R, R, N, N>::IndCalcB), 2611650399, 2837667540)
+ TB (krrbkn, false, false, false, (T42<R, R, B, N>::IndCalcW), (T42<R, R, B, N>::IndCalcB), 2706549480, 2837667540)
+ TB (krrrkn, false, false, false, (T42<R, R, R, N>::IndCalcW), (T42<R, R, R, N>::IndCalcB), 864592254, 945889180)
+ TB (kqnnkn, false, false, false, (T42<Q, N, N, N>::IndCalcW), (T42<Q, N, N, N>::IndCalcB), 2411545114, 2837667540)
+ TB (kqbbkn, false, false, false, (T42<Q, B, B, N>::IndCalcW), (T42<Q, B, B, N>::IndCalcB), 2588901061, 2837667540)
+ TB (kqrrkn, false, false, false, (T42<Q, R, R, N>::IndCalcW), (T42<Q, R, R, N>::IndCalcB), 2547484064, 2837667540)
+ TB (kqqnkn, false, false, false, (T42<Q, Q, N, N>::IndCalcW), (T42<Q, Q, N, N>::IndCalcB), 2350606433, 2837667540)
+ TB (kqqbkn, false, false, false, (T42<Q, Q, B, N>::IndCalcW), (T42<Q, Q, B, N>::IndCalcB), 2434987407, 2837667540)
+ TB (kqqrkn, false, false, false, (T42<Q, Q, R, N>::IndCalcW), (T42<Q, Q, R, N>::IndCalcB), 2415271436, 2837667540)
+ TB (kqqqkn, false, false, false, (T42<Q, Q, Q, N>::IndCalcW), (T42<Q, Q, Q, N>::IndCalcB), 736854363, 945889180)
+ TB (knnnkb, false, false, false, (T42<N, N, N, B>::IndCalcW), (T42<N, N, N, B>::IndCalcB), 795687393, 980475570)
+ TB (kbnnkb, false, false, false, (T42<B, N, N, B>::IndCalcW), (T42<B, N, N, B>::IndCalcB), 2560971346, 2941426710)
+ TB (kbbnkb, false, false, false, (T42<B, B, N, B>::IndCalcW), (T42<B, B, N, B>::IndCalcB), 2654033462, 2941426710)
+ TB (kbbbkb, false, false, false, (T42<B, B, B, B>::IndCalcW), (T42<B, B, B, B>::IndCalcB), 885603570, 980475570)
+ TB (krnnkb, false, false, false, (T42<R, N, N, B>::IndCalcW), (T42<R, N, N, B>::IndCalcB), 2540315682, 2941426710)
+ TB (krbbkb, false, false, false, (T42<R, B, B, B>::IndCalcW), (T42<R, B, B, B>::IndCalcB), 2728283251, 2941426710)
+ TB (krrnkb, false, false, false, (T42<R, R, N, B>::IndCalcW), (T42<R, R, N, B>::IndCalcB), 2611650399, 2941426710)
+ TB (krrbkb, false, false, false, (T42<R, R, B, B>::IndCalcW), (T42<R, R, B, B>::IndCalcB), 2706549480, 2941426710)
+ TB (krrrkb, false, false, false, (T42<R, R, R, B>::IndCalcW), (T42<R, R, R, B>::IndCalcB), 864592254, 980475570)
+ TB (kqnnkb, false, false, false, (T42<Q, N, N, B>::IndCalcW), (T42<Q, N, N, B>::IndCalcB), 2411545114, 2941426710)
+ TB (kqbbkb, false, false, false, (T42<Q, B, B, B>::IndCalcW), (T42<Q, B, B, B>::IndCalcB), 2588901061, 2941426710)
+ TB (kqrrkb, false, false, false, (T42<Q, R, R, B>::IndCalcW), (T42<Q, R, R, B>::IndCalcB), 2547484064, 2941426710)
+ TB (kqqnkb, false, false, false, (T42<Q, Q, N, B>::IndCalcW), (T42<Q, Q, N, B>::IndCalcB), 2350606433, 2941426710)
+ TB (kqqbkb, false, false, false, (T42<Q, Q, B, B>::IndCalcW), (T42<Q, Q, B, B>::IndCalcB), 2434987407, 2941426710)
+ TB (kqqrkb, false, false, false, (T42<Q, Q, R, B>::IndCalcW), (T42<Q, Q, R, B>::IndCalcB), 2415271436, 2941426710)
+ TB (kqqqkb, false, false, false, (T42<Q, Q, Q, B>::IndCalcW), (T42<Q, Q, Q, B>::IndCalcB), 736854363, 980475570)
+ TB (knnnkr, false, false, false, (T42<N, N, N, R>::IndCalcW), (T42<N, N, N, R>::IndCalcB), 795687393, 973025640)
+ TB (kbnnkr, false, false, false, (T42<B, N, N, R>::IndCalcW), (T42<B, N, N, R>::IndCalcB), 2560971346, 2919076920)
+ TB (kbbnkr, false, false, false, (T42<B, B, N, R>::IndCalcW), (T42<B, B, N, R>::IndCalcB), 2654033462, 2919076920)
+ TB (kbbbkr, false, false, false, (T42<B, B, B, R>::IndCalcW), (T42<B, B, B, R>::IndCalcB), 885603570, 973025640)
+ TB (krnnkr, false, false, false, (T42<R, N, N, R>::IndCalcW), (T42<R, N, N, R>::IndCalcB), 2540315682, 2919076920)
+ TB (krbbkr, false, false, false, (T42<R, B, B, R>::IndCalcW), (T42<R, B, B, R>::IndCalcB), 2728283251, 2919076920)
+ TB (krrnkr, false, false, false, (T42<R, R, N, R>::IndCalcW), (T42<R, R, N, R>::IndCalcB), 2611650399, 2919076920)
+ TB (krrbkr, false, false, false, (T42<R, R, B, R>::IndCalcW), (T42<R, R, B, R>::IndCalcB), 2706549480, 2919076920)
+ TB (krrrkr, false, false, false, (T42<R, R, R, R>::IndCalcW), (T42<R, R, R, R>::IndCalcB), 864592254, 973025640)
+ TB (kqnnkr, false, false, false, (T42<Q, N, N, R>::IndCalcW), (T42<Q, N, N, R>::IndCalcB), 2411545114, 2919076920)
+ TB (kqbbkr, false, false, false, (T42<Q, B, B, R>::IndCalcW), (T42<Q, B, B, R>::IndCalcB), 2588901061, 2919076920)
+ TB (kqrrkr, false, false, false, (T42<Q, R, R, R>::IndCalcW), (T42<Q, R, R, R>::IndCalcB), 2547484064, 2919076920)
+ TB (kqqnkr, false, false, false, (T42<Q, Q, N, R>::IndCalcW), (T42<Q, Q, N, R>::IndCalcB), 2350606433, 2919076920)
+ TB (kqqbkr, false, false, false, (T42<Q, Q, B, R>::IndCalcW), (T42<Q, Q, B, R>::IndCalcB), 2434987407, 2919076920)
+ TB (kqqrkr, false, false, false, (T42<Q, Q, R, R>::IndCalcW), (T42<Q, Q, R, R>::IndCalcB), 2415271436, 2919076920)
+ TB (kqqqkr, false, false, false, (T42<Q, Q, Q, R>::IndCalcW), (T42<Q, Q, Q, R>::IndCalcB), 736854363, 973025640)
+ TB (knnnkq, false, false, false, (T42<N, N, N, Q>::IndCalcW), (T42<N, N, N, Q>::IndCalcB), 795687393, 922603650)
+ TB (kbnnkq, false, false, false, (T42<B, N, N, Q>::IndCalcW), (T42<B, N, N, Q>::IndCalcB), 2560971346, 2767810950)
+ TB (kbbnkq, false, false, false, (T42<B, B, N, Q>::IndCalcW), (T42<B, B, N, Q>::IndCalcB), 2654033462, 2767810950)
+ TB (kbbbkq, false, false, false, (T42<B, B, B, Q>::IndCalcW), (T42<B, B, B, Q>::IndCalcB), 885603570, 922603650)
+ TB (krnnkq, false, false, false, (T42<R, N, N, Q>::IndCalcW), (T42<R, N, N, Q>::IndCalcB), 2540315682, 2767810950)
+ TB (krbbkq, false, false, false, (T42<R, B, B, Q>::IndCalcW), (T42<R, B, B, Q>::IndCalcB), 2728283251, 2767810950)
+ TB (krrnkq, false, false, false, (T42<R, R, N, Q>::IndCalcW), (T42<R, R, N, Q>::IndCalcB), 2611650399, 2767810950)
+ TB (krrbkq, false, false, false, (T42<R, R, B, Q>::IndCalcW), (T42<R, R, B, Q>::IndCalcB), 2706549480, 2767810950)
+ TB (krrrkq, false, false, false, (T42<R, R, R, Q>::IndCalcW), (T42<R, R, R, Q>::IndCalcB), 864592254, 922603650)
+ TB (kqnnkq, false, false, false, (T42<Q, N, N, Q>::IndCalcW), (T42<Q, N, N, Q>::IndCalcB), 2411545114, 2767810950)
+ TB (kqbbkq, false, false, false, (T42<Q, B, B, Q>::IndCalcW), (T42<Q, B, B, Q>::IndCalcB), 2588901061, 2767810950)
+ TB (kqrrkq, false, false, false, (T42<Q, R, R, Q>::IndCalcW), (T42<Q, R, R, Q>::IndCalcB), 2547484064, 2767810950)
+ TB (kqqnkq, false, false, false, (T42<Q, Q, N, Q>::IndCalcW), (T42<Q, Q, N, Q>::IndCalcB), 2350606433, 2767810950)
+ TB (kqqbkq, false, false, false, (T42<Q, Q, B, Q>::IndCalcW), (T42<Q, Q, B, Q>::IndCalcB), 2434987407, 2767810950)
+ TB (kqqrkq, false, false, false, (T42<Q, Q, R, Q>::IndCalcW), (T42<Q, Q, R, Q>::IndCalcB), 2415271436, 2767810950)
+ TB (kqqqkq, false, false, false, (T42<Q, Q, Q, Q>::IndCalcW), (T42<Q, Q, Q, Q>::IndCalcB), 736854363, 922603650)
+#if defined (T_INDEX64)
+ TB (krbnkn, false, false, false, (T42<R, B, N, N>::IndCalcW), (T42<R, B, N, N>::IndCalcB), 5356454122, 5675335080)
+ TB (kqbnkn, false, false, false, (T42<Q, B, N, N>::IndCalcW), (T42<Q, B, N, N>::IndCalcB), 5083836303, 5675335080)
+ TB (kqrnkn, false, false, false, (T42<Q, R, N, N>::IndCalcW), (T42<Q, R, N, N>::IndCalcB), 5042765577, 5675335080)
+ TB (kqrbkn, false, false, false, (T42<Q, R, B, N>::IndCalcW), (T42<Q, R, B, N>::IndCalcB), 5224919581, 5675335080)
+ TB (krbnkb, false, false, false, (T42<R, B, N, B>::IndCalcW), (T42<R, B, N, B>::IndCalcB), 5356454122, 5882853420)
+ TB (kqbnkb, false, false, false, (T42<Q, B, N, B>::IndCalcW), (T42<Q, B, N, B>::IndCalcB), 5083836303, 5882853420)
+ TB (kqrnkb, false, false, false, (T42<Q, R, N, B>::IndCalcW), (T42<Q, R, N, B>::IndCalcB), 5042765577, 5882853420)
+ TB (kqrbkb, false, false, false, (T42<Q, R, B, B>::IndCalcW), (T42<Q, R, B, B>::IndCalcB), 5224919581, 5882853420)
+ TB (krbnkr, false, false, false, (T42<R, B, N, R>::IndCalcW), (T42<R, B, N, R>::IndCalcB), 5356454122, 5838153840)
+ TB (kqbnkr, false, false, false, (T42<Q, B, N, R>::IndCalcW), (T42<Q, B, N, R>::IndCalcB), 5083836303, 5838153840)
+ TB (kqrnkr, false, false, false, (T42<Q, R, N, R>::IndCalcW), (T42<Q, R, N, R>::IndCalcB), 5042765577, 5838153840)
+ TB (kqrbkr, false, false, false, (T42<Q, R, B, R>::IndCalcW), (T42<Q, R, B, R>::IndCalcB), 5224919581, 5838153840)
+ TB (krbnkq, false, false, false, (T42<R, B, N, Q>::IndCalcW), (T42<R, B, N, Q>::IndCalcB), 5356454122, 5535621900)
+ TB (kqbnkq, false, false, true, (T42<Q, B, N, Q>::IndCalcW), (T42<Q, B, N, Q>::IndCalcB), 5083836303, 5535621900)
+ TB (kqrnkq, false, false, false, (T42<Q, R, N, Q>::IndCalcW), (T42<Q, R, N, Q>::IndCalcB), 5042765577, 5535621900)
+ TB (kqrbkq, false, false, false, (T42<Q, R, B, Q>::IndCalcW), (T42<Q, R, B, Q>::IndCalcB), 5224919581, 5535621900)
+
+ TB (kpppkp, false, true, false, (T42<P, P, P, P>::IndCalcW), (T42<P, P, P, P>::IndCalcB), 1196695343, 1348100424)
+ TB (knppkp, false, true, true, (T42<N, P, P, P>::IndCalcW), (T42<N, P, P, P>::IndCalcB), 4796630713, 5271860528)
+ TB (knnpkp, false, false, true, (T42<N, N, P, P>::IndCalcW), (T42<N, N, P, P>::IndCalcB), 6156616111, 6835422612)
+ TB (knnnkp, false, false, false, (T42<N, N, N, P>::IndCalcW), (T42<N, N, N, P>::IndCalcB), 2531022144, 2939087360)
+ TB (kbppkp, false, true, true, (T42<B, P, P, P>::IndCalcW), (T42<B, P, P, P>::IndCalcB), 4969303175, 5271860528)
+ TB (kbnpkp, false, true, true, (T42<B, N, P, P>::IndCalcW), (T42<B, N, P, P>::IndCalcB), 12979462304, 13670845224)
+ TB (kbnnkp, false, false, true, (T42<B, N, N, P>::IndCalcW), (T42<B, N, N, P>::IndCalcB), 8146120416, 8817262080)
+ TB (kbbpkp, false, true, true, (T42<B, B, P, P>::IndCalcW), (T42<B, B, P, P>::IndCalcB), 6609838740, 6835422612)
+ TB (kbbnkp, false, false, true, (T42<B, B, N, P>::IndCalcW), (T42<B, B, N, P>::IndCalcB), 8441899104, 8817262080)
+ TB (kbbbkp, false, false, false, (T42<B, B, B, P>::IndCalcW), (T42<B, B, B, P>::IndCalcB), 2816801280, 2939087360)
+ TB (krppkp, false, true, true, (T42<R, P, P, P>::IndCalcW), (T42<R, P, P, P>::IndCalcB), 4929998839, 5271860528)
+ TB (krnpkp, false, true, true, (T42<R, N, P, P>::IndCalcW), (T42<R, N, P, P>::IndCalcB), 12875424829, 13670845224)
+ TB (krnnkp, false, false, true, (T42<R, N, N, P>::IndCalcW), (T42<R, N, N, P>::IndCalcB), 8079921360, 8817262080)
+ TB (krbpkp, false, true, true, (T42<R, B, P, P>::IndCalcW), (T42<R, B, P, P>::IndCalcB), 13340861520, 13670845224)
+ TB (krbnkp, false, false, true, (T42<R, B, N, P>::IndCalcW), (T42<R, B, N, P>::IndCalcB), 17036639904, 17634524160)
+ TB (krbbkp, false, false, true, (T42<R, B, B, P>::IndCalcW), (T42<R, B, B, P>::IndCalcB), 8677177872, 8817262080)
+ TB (krrpkp, false, true, true, (T42<R, R, P, P>::IndCalcW), (T42<R, R, P, P>::IndCalcB), 6504899238, 6835422612)
+ TB (krrnkp, false, false, true, (T42<R, R, N, P>::IndCalcW), (T42<R, R, N, P>::IndCalcB), 8306047872, 8817262080)
+ TB (krrbkp, false, false, true, (T42<R, R, B, P>::IndCalcW), (T42<R, R, B, P>::IndCalcB), 8607504960, 8817262080)
+ TB (krrrkp, false, false, false, (T42<R, R, R, P>::IndCalcW), (T42<R, R, R, P>::IndCalcB), 2749283520, 2939087360)
+ TB (kqppkp, false, true, true, (T42<Q, P, P, P>::IndCalcW), (T42<Q, P, P, P>::IndCalcB), 4677701571, 5271860528)
+ TB (kqnpkp, false, true, true, (T42<Q, N, P, P>::IndCalcW), (T42<Q, N, P, P>::IndCalcB), 12219736849, 13670845224)
+ TB (kqnnkp, false, false, true, (T42<Q, N, N, P>::IndCalcW), (T42<Q, N, N, P>::IndCalcB), 7670559696, 8817262080)
+ TB (kqbpkp, false, true, true, (T42<Q, B, P, P>::IndCalcW), (T42<Q, B, P, P>::IndCalcB), 12658882024, 13670845224)
+ TB (kqbnkp, false, false, true, (T42<Q, B, N, P>::IndCalcW), (T42<Q, B, N, P>::IndCalcB), 16170070752, 17634524160)
+ TB (kqbbkp, false, false, true, (T42<Q, B, B, P>::IndCalcW), (T42<Q, B, B, P>::IndCalcB), 8234170512, 8817262080)
+ TB (kqrpkp, false, false, true, (T42<Q, R, P, P>::IndCalcW), (T42<Q, R, P, P>::IndCalcB), 12557225406, 13670845224)
+ TB (kqrnkp, false, false, true, (T42<Q, R, N, P>::IndCalcW), (T42<Q, R, N, P>::IndCalcB), 16038464256, 17634524160)
+ TB (kqrbkp, false, false, true, (T42<Q, R, B, P>::IndCalcW), (T42<Q, R, B, P>::IndCalcB), 16617170832, 17634524160)
+ TB (kqrrkp, false, false, true, (T42<Q, R, R, P>::IndCalcW), (T42<Q, R, R, P>::IndCalcB), 8101097520, 8817262080)
+ TB (kqqpkp, false, false, true, (T42<Q, Q, P, P>::IndCalcW), (T42<Q, Q, P, P>::IndCalcB), 5851888362, 6835422612)
+ TB (kqqnkp, false, false, true, (T42<Q, Q, N, P>::IndCalcW), (T42<Q, Q, N, P>::IndCalcB), 7476276864, 8817262080)
+ TB (kqqbkp, false, false, true, (T42<Q, Q, B, P>::IndCalcW), (T42<Q, Q, B, P>::IndCalcB), 7744392000, 8817262080)
+ TB (kqqrkp, false, false, true, (T42<Q, Q, R, P>::IndCalcW), (T42<Q, Q, R, P>::IndCalcB), 7680886080, 8817262080)
+ TB (kqqqkp, false, false, false, (T42<Q, Q, Q, P>::IndCalcW), (T42<Q, Q, Q, P>::IndCalcB), 2343300048, 2939087360)
+ TB (kpppkn, false, false, false, (T42<P, P, P, N>::IndCalcW), (T42<P, P, P, N>::IndCalcB), 1537640536, 1777129408)
+ TB (knppkn, false, false, true, (T42<N, P, P, N>::IndCalcW), (T42<N, P, P, N>::IndCalcB), 6071020409, 6838084896)
+ TB (knnpkn, false, false, true, (T42<N, N, P, N>::IndCalcW), (T42<N, N, P, N>::IndCalcB), 7677994559, 8729470080)
+ TB (kbppkn, false, false, true, (T42<B, P, P, N>::IndCalcW), (T42<B, P, P, N>::IndCalcB), 6289527204, 6838084896)
+ TB (kbnpkn, false, false, true, (T42<B, N, P, N>::IndCalcW), (T42<B, N, P, N>::IndCalcB), 16186823401, 17458940160)
+ TB (kbbpkn, false, false, true, (T42<B, B, P, N>::IndCalcW), (T42<B, B, P, N>::IndCalcB), 8243187360, 8729470080)
+ TB (krppkn, false, false, true, (T42<R, P, P, N>::IndCalcW), (T42<R, P, P, N>::IndCalcB), 6239761412, 6838084896)
+ TB (krnpkn, false, false, true, (T42<R, N, P, N>::IndCalcW), (T42<R, N, P, N>::IndCalcB), 16057066825, 17458940160)
+ TB (krbpkn, false, false, true, (T42<R, B, P, N>::IndCalcW), (T42<R, B, P, N>::IndCalcB), 16637490240, 17458940160)
+ TB (krrpkn, false, false, true, (T42<R, R, P, N>::IndCalcW), (T42<R, R, P, N>::IndCalcB), 8112305064, 8729470080)
+ TB (kqppkn, false, false, true, (T42<Q, P, P, N>::IndCalcW), (T42<Q, P, P, N>::IndCalcB), 5920486098, 6838084896)
+ TB (kqnpkn, false, false, true, (T42<Q, N, P, N>::IndCalcW), (T42<Q, N, P, N>::IndCalcB), 15239383701, 17458940160)
+ TB (kqbpkn, false, false, true, (T42<Q, B, P, N>::IndCalcW), (T42<Q, B, P, N>::IndCalcB), 15787021288, 17458940160)
+ TB (kqrpkn, false, false, true, (T42<Q, R, P, N>::IndCalcW), (T42<Q, R, P, N>::IndCalcB), 15660230819, 17458940160)
+ TB (kqqpkn, false, false, true, (T42<Q, Q, P, N>::IndCalcW), (T42<Q, Q, P, N>::IndCalcB), 7297961576, 8729470080)
+ TB (kpppkb, false, false, false, (T42<P, P, P, B>::IndCalcW), (T42<P, P, P, B>::IndCalcB), 1537640536, 1842024000)
+ TB (knppkb, false, false, true, (T42<N, P, P, B>::IndCalcW), (T42<N, P, P, B>::IndCalcB), 6071020409, 7087788000)
+ TB (knnpkb, false, false, true, (T42<N, N, P, B>::IndCalcW), (T42<N, N, P, B>::IndCalcB), 7677994559, 9048240000)
+ TB (kbppkb, false, false, true, (T42<B, P, P, B>::IndCalcW), (T42<B, P, P, B>::IndCalcB), 6289527204, 7087788000)
+ TB (kbnpkb, false, false, true, (T42<B, N, P, B>::IndCalcW), (T42<B, N, P, B>::IndCalcB), 16186823401, 18096480000)
+ TB (kbbpkb, false, false, true, (T42<B, B, P, B>::IndCalcW), (T42<B, B, P, B>::IndCalcB), 8243187360, 9048240000)
+ TB (krppkb, false, false, true, (T42<R, P, P, B>::IndCalcW), (T42<R, P, P, B>::IndCalcB), 6239761412, 7087788000)
+ TB (krnpkb, false, false, true, (T42<R, N, P, B>::IndCalcW), (T42<R, N, P, B>::IndCalcB), 16057066825, 18096480000)
+ TB (krbpkb, false, false, true, (T42<R, B, P, B>::IndCalcW), (T42<R, B, P, B>::IndCalcB), 16637490240, 18096480000)
+ TB (krrpkb, false, false, true, (T42<R, R, P, B>::IndCalcW), (T42<R, R, P, B>::IndCalcB), 8112305064, 9048240000)
+ TB (kqppkb, false, false, true, (T42<Q, P, P, B>::IndCalcW), (T42<Q, P, P, B>::IndCalcB), 5920486098, 7087788000)
+ TB (kqnpkb, false, false, true, (T42<Q, N, P, B>::IndCalcW), (T42<Q, N, P, B>::IndCalcB), 15239383701, 18096480000)
+ TB (kqbpkb, false, false, true, (T42<Q, B, P, B>::IndCalcW), (T42<Q, B, P, B>::IndCalcB), 15787021288, 18096480000)
+ TB (kqrpkb, false, false, true, (T42<Q, R, P, B>::IndCalcW), (T42<Q, R, P, B>::IndCalcB), 15660230819, 18096480000)
+ TB (kqqpkb, false, false, true, (T42<Q, Q, P, B>::IndCalcW), (T42<Q, Q, P, B>::IndCalcB), 7297961576, 9048240000)
+ TB (kpppkr, false, false, false, (T42<P, P, P, R>::IndCalcW), (T42<P, P, P, R>::IndCalcB), 1537640536, 1827875872)
+ TB (knppkr, false, false, true, (T42<N, P, P, R>::IndCalcW), (T42<N, P, P, R>::IndCalcB), 6071020409, 7033481568)
+ TB (knnpkr, false, false, true, (T42<N, N, P, R>::IndCalcW), (T42<N, N, P, R>::IndCalcB), 7677994559, 8978912640)
+ TB (kbppkr, false, true, true, (T42<B, P, P, R>::IndCalcW), (T42<B, P, P, R>::IndCalcB), 6289527204, 7033481568)
+ TB (kbnpkr, false, true, true, (T42<B, N, P, R>::IndCalcW), (T42<B, N, P, R>::IndCalcB), 16186823401, 17957825280)
+ TB (kbbpkr, false, true, true, (T42<B, B, P, R>::IndCalcW), (T42<B, B, P, R>::IndCalcB), 8243187360, 8978912640)
+ TB (krppkr, false, false, true, (T42<R, P, P, R>::IndCalcW), (T42<R, P, P, R>::IndCalcB), 6239761412, 7033481568)
+ TB (krnpkr, false, false, true, (T42<R, N, P, R>::IndCalcW), (T42<R, N, P, R>::IndCalcB), 16057066825, 17957825280)
+ TB (krbpkr, false, false, true, (T42<R, B, P, R>::IndCalcW), (T42<R, B, P, R>::IndCalcB), 16637490240, 17957825280)
+ TB (krrpkr, false, false, true, (T42<R, R, P, R>::IndCalcW), (T42<R, R, P, R>::IndCalcB), 8112305064, 8978912640)
+ TB (kqppkr, false, false, true, (T42<Q, P, P, R>::IndCalcW), (T42<Q, P, P, R>::IndCalcB), 5920486098, 7033481568)
+ TB (kqnpkr, false, false, true, (T42<Q, N, P, R>::IndCalcW), (T42<Q, N, P, R>::IndCalcB), 15239383701, 17957825280)
+ TB (kqbpkr, false, false, true, (T42<Q, B, P, R>::IndCalcW), (T42<Q, B, P, R>::IndCalcB), 15787021288, 17957825280)
+ TB (kqrpkr, false, false, true, (T42<Q, R, P, R>::IndCalcW), (T42<Q, R, P, R>::IndCalcB), 15660230819, 17957825280)
+ TB (kqqpkr, false, false, true, (T42<Q, Q, P, R>::IndCalcW), (T42<Q, Q, P, R>::IndCalcB), 7297961576, 8978912640)
+ TB (kpppkq, false, true, false, (T42<P, P, P, Q>::IndCalcW), (T42<P, P, P, Q>::IndCalcB), 1537640536, 1733232160)
+ TB (knppkq, false, true, true, (T42<N, P, P, Q>::IndCalcW), (T42<N, P, P, Q>::IndCalcB), 6071020409, 6669309024)
+ TB (knnpkq, false, false, true, (T42<N, N, P, Q>::IndCalcW), (T42<N, N, P, Q>::IndCalcB), 7677994559, 8514011520)
+ TB (kbppkq, false, true, true, (T42<B, P, P, Q>::IndCalcW), (T42<B, P, P, Q>::IndCalcB), 6289527204, 6669309024)
+ TB (kbnpkq, false, true, true, (T42<B, N, P, Q>::IndCalcW), (T42<B, N, P, Q>::IndCalcB), 16186823401, 17028023040)
+ TB (kbbpkq, false, true, true, (T42<B, B, P, Q>::IndCalcW), (T42<B, B, P, Q>::IndCalcB), 8243187360, 8514011520)
+ TB (krppkq, false, true, true, (T42<R, P, P, Q>::IndCalcW), (T42<R, P, P, Q>::IndCalcB), 6239761412, 6669309024)
+ TB (krnpkq, false, true, true, (T42<R, N, P, Q>::IndCalcW), (T42<R, N, P, Q>::IndCalcB), 16057066825, 17028023040)
+ TB (krbpkq, false, true, true, (T42<R, B, P, Q>::IndCalcW), (T42<R, B, P, Q>::IndCalcB), 16637490240, 17028023040)
+ TB (krrpkq, false, true, true, (T42<R, R, P, Q>::IndCalcW), (T42<R, R, P, Q>::IndCalcB), 8112305064, 8514011520)
+ TB (kqppkq, false, true, true, (T42<Q, P, P, Q>::IndCalcW), (T42<Q, P, P, Q>::IndCalcB), 5920486098, 6669309024)
+ TB (kqnpkq, false, true, true, (T42<Q, N, P, Q>::IndCalcW), (T42<Q, N, P, Q>::IndCalcB), 15239383701, 17028023040)
+ TB (kqbpkq, false, true, true, (T42<Q, B, P, Q>::IndCalcW), (T42<Q, B, P, Q>::IndCalcB), 15787021288, 17028023040)
+ TB (kqrpkq, false, true, true, (T42<Q, R, P, Q>::IndCalcW), (T42<Q, R, P, Q>::IndCalcB), 15660230819, 17028023040)
+ TB (kqqpkq, false, false, true, (T42<Q, Q, P, Q>::IndCalcW), (T42<Q, Q, P, Q>::IndCalcB), 7297961576, 8514011520)
+
+#endif
+#endif
+ };
+
+#undef P
+#undef N
+#undef B
+#undef R
+#undef Q
+
+// Helper structure
+// Used to classify on-board position
+
+union CUTbReference // Hungarian: utbr
+ {
+ int m_iDesc; // Negative if have to inverse
+ int m_cPieces;
+ CUTbReference *m_utbReference;
+ };
+
+// Root of the search tree
+
+static CUTbReference rgutbReference [MAX_NON_KINGS + 2];
+
+// Convert TB name (e.g. KQKR) into set of counters
+
+static const char *PchSetHalfCounters
+ (
+ int *piCounters,
+ const char *pch
+ )
+ {
+ memset (piCounters, 0, 5 * sizeof (int));
+ while ('\0' != *pch && 'k' != *pch)
+ {
+ piece pi;
+
+ pi = x_piecePawn; // To make compiler happy
+ switch (*pch)
+ {
+ case 'p':
+ pi = x_piecePawn;
+ break;
+ case 'n':
+ pi = x_pieceKnight;
+ break;
+ case 'b':
+ pi = x_pieceBishop;
+ break;
+ case 'r':
+ pi = x_pieceRook;
+ break;
+ case 'q':
+ pi = x_pieceQueen;
+ break;
+ default:
+ assert (0);
+ }
+ piCounters [pi-1] ++;
+ pch ++;
+ }
+ return pch;
+ };
+
+static void VSetCounters
+ (
+ int *piCounters,
+ const char *pch
+ )
+ {
+ assert ('k' == *pch);
+ pch = PchSetHalfCounters (piCounters, pch+1);
+ assert ('k' == *pch);
+ pch = PchSetHalfCounters (piCounters+5, pch+1);
+ assert ('\0' == *pch);
+ }
+
+// Following functions return TB index
+// They differ by input arguments
+
+extern "C" int IDescFindFromCounters
+ (
+ int *piCount
+ )
+ {
+ CUTbReference *putbr = rgutbReference;
+
+ if (piCount[0] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[0]].m_utbReference;
+ if (piCount[1] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[1]].m_utbReference;
+ if (piCount[2] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[2]].m_utbReference;
+ if (piCount[3] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[3]].m_utbReference;
+ if (piCount[4] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[4]].m_utbReference;
+ if (piCount[5] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[5]].m_utbReference;
+ if (piCount[6] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[6]].m_utbReference;
+ if (piCount[7] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[7]].m_utbReference;
+ if (piCount[8] > putbr->m_cPieces)
+ goto not_found;
+ putbr = putbr[1 + piCount[8]].m_utbReference;
+ if (piCount[9] <= putbr->m_cPieces)
+ return putbr[1 + piCount[9]].m_iDesc;
+not_found:
+ return 0;
+ }
+
+int IDescFind
+ (
+ square *p_piW, // IN | Pointer to array of white pieces (king excluded)
+ square *p_piB, // IN | Pointer to array of black pieces (king excluded)
+ int cWhite, // IN | Counter of white pieces (king excluded)
+ int cBlack // IN | Counter of black pieces (king excluded)
+ )
+ {
+ int rgiCount[10];
+
+ // Set pieces counters
+ rgiCount[0] =
+ rgiCount[1] =
+ rgiCount[2] =
+ rgiCount[3] =
+ rgiCount[4] =
+ rgiCount[5] =
+ rgiCount[6] =
+ rgiCount[7] =
+ rgiCount[8] =
+ rgiCount[9] = 0;
+ while (cWhite)
+ {
+ rgiCount[(*p_piW)-1] ++;
+ p_piW ++;
+ cWhite --;
+ }
+ while (cBlack)
+ {
+ rgiCount[5-1+(*p_piB)] ++;
+ p_piB ++;
+ cBlack --;
+ }
+ return IDescFindFromCounters (rgiCount);
+ }
+
+int IDescFindByName
+ (
+ char *pchName
+ )
+ {
+ int rgiCount[10];
+
+ VSetCounters (rgiCount, pchName);
+ return IDescFindFromCounters (rgiCount);
+ }
+
+//-----------------------------------------------------------------------------
+//
+// Function used during initialization
+
+// Set of functions to create search table
+
+static CUTbReference *PutbrCreateSubtable
+ (
+ int cPieces, // IN | # of pieces ramaining on board
+ int iDepth // IN | Recursion depth (# of piece classes left)
+ )
+ {
+ CUTbReference *putbr;
+
+ putbr = (CUTbReference *) PvMalloc ((cPieces + 2) * sizeof (CUTbReference));
+ putbr[0].m_cPieces = cPieces;
+ if (0 == iDepth)
+ {
+ for (int i = 0; i <= cPieces; i ++)
+ putbr[i+1].m_iDesc = 0;
+ }
+ else
+ {
+ for (int i = 0; i <= cPieces; i ++)
+ putbr[i+1].m_utbReference = PutbrCreateSubtable (cPieces-i, iDepth-1);
+ }
+ return putbr;
+ }
+
+static bool fTbTableCreated = false;
+
+static void VCreateEmptyTbTable (void)
+ {
+ if (fTbTableCreated)
+ return;
+ fTbTableCreated = true;
+ rgutbReference[0].m_cPieces = MAX_NON_KINGS;
+ for (int i = 0; i <= MAX_NON_KINGS; i ++)
+ rgutbReference[i+1].m_utbReference = PutbrCreateSubtable (MAX_NON_KINGS - i, 8);
+ }
+
+// Insert TB (e.g. KQKR) into search table
+
+static bool FRegisterHalf
+ (
+ int iTb,
+ int *piCount
+ )
+ {
+ CUTbReference *putbr;
+
+ putbr = rgutbReference;
+ for (int i = 0; i < 9; i ++)
+ {
+ if (piCount[i] > putbr->m_cPieces)
+ return false;
+ putbr = putbr[1 + piCount[i]].m_utbReference;
+ }
+ if (piCount[9] > putbr->m_cPieces)
+ return false;
+ putbr[1 + piCount[9]].m_iDesc = iTb;
+ return true;
+ }
+
+// Insert TB (both, e.g. KQKR and KRKQ) into search table
+
+static bool FRegisterTb
+ (
+ CTbDesc *ptbDesc
+ )
+ {
+ int rgiCount[10];
+ bool fInserted;
+
+ VSetCounters (rgiCount, ptbDesc->m_rgchName);
+ fInserted = FRegisterHalf (ptbDesc->m_iTbId, rgiCount);
+ if (fInserted)
+ {
+ if (ptbDesc->m_fSymmetric)
+ return true;
+ for (int i = 0; i < 5; i ++)
+ {
+ int iTemp;
+
+ iTemp = rgiCount[i];
+ rgiCount[i] = rgiCount[i+5];
+ rgiCount[i+5] = iTemp;
+ }
+ fInserted = FRegisterHalf (-ptbDesc->m_iTbId, rgiCount);
+ assert (fInserted);
+ }
+ return fInserted;
+ }
+
+// File mapping - Win32 code only
+
+#if defined (_WIN32) || defined(_WIN64)
+
+static BYTE * PbMapFileForRead
+ (
+ char *szName,
+ HANDLE *phFile,
+ HANDLE *phFileMapping
+ )
+ {
+ HANDLE hFile;
+ HANDLE hFileMapping;
+ LPVOID lpFileBase;
+
+ hFile = CreateFileA(szName, GENERIC_READ, FILE_SHARE_READ,
+ NULL, OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL);
+ if (INVALID_HANDLE_VALUE == hFile)
+ {
+ printf("*** Couldn't open file %s with CreateFile()\n", szName);
+ exit (1);
+ }
+ hFileMapping = CreateFileMapping (hFile, NULL, PAGE_READONLY, 0, 0, NULL);
+ if (0 == hFileMapping)
+ {
+ CloseHandle (hFile);
+ printf ("*** Couldn't open file %s mapping with CreateFileMapping()\n", szName);
+ exit (1);
+ }
+ lpFileBase = MapViewOfFile (hFileMapping, FILE_MAP_READ, 0, 0, 0);
+ if (0 == lpFileBase)
+ {
+ CloseHandle (hFileMapping);
+ CloseHandle (hFile);
+ printf ("*** Couldn't map view of file %s with MapViewOfFile()\n", szName);
+ exit (1);
+ }
+ if (NULL != phFile)
+ *phFile = hFile;
+ if (NULL != phFileMapping)
+ *phFileMapping = hFileMapping;
+ return (BYTE*) lpFileBase;
+ }
+
+static void VUnmapFile
+ (
+ BYTE *pbFileBase,
+ HANDLE hFile,
+ HANDLE hFileMapping
+ )
+ {
+ BOOL fFailed;
+
+ fFailed = (0 == UnmapViewOfFile (pbFileBase)) |
+ (0 == CloseHandle (hFileMapping)) |
+ (0 == CloseHandle (hFile));
+ if (fFailed)
+ {
+ printf ("*** Couldn't unmap file\n");
+ exit (1);
+ }
+ }
+
+#endif
+
+//-----------------------------------------------------------------------------
+//
+// TB caching
+
+#if !defined (TB_CB_CACHE_CHUNK)
+#define TB_CB_CACHE_CHUNK 8192 /* Must be power of 2 */
+#define LOG2_TB_CB_CACHE_CHUNK 13
+#endif
+
+#define TB_CHUNK(index) ((index) >> LOG2_TB_CB_CACHE_CHUNK)
+#define TB_OFFSET(index) ((index) % TB_CB_CACHE_CHUNK)
+#define TB_DIRECTORY_ENTRY(chunk) ((chunk) % TB_DIRECTORY_SIZE)
+
+#define WIDE_TB_CHUNK(index) ((index) >> (LOG2_TB_CB_CACHE_CHUNK-1))
+#define WIDE_TB_OFFSET(index) ((index) % (TB_CB_CACHE_CHUNK/2))*2
+
+struct CTbCache //Hungarian: tbc
+ {
+ int volatile m_iTb;
+ color volatile m_color;
+ unsigned volatile m_indChunk;
+ volatile CTbCache *volatile m_ptbcNext; // Next element in double-linked general LRU list
+ volatile CTbCache *volatile m_ptbcPrev; // Previous element in double-linked general LRU list
+ volatile CTbCache *volatile m_ptbcTbNext; // Next element in double-linked cache bucket LRU list
+ volatile CTbCache *volatile m_ptbcTbPrev; // Previous element in double-linked cache bucket LRU list
+ BYTE *m_pbData;
+ };
+
+static CTbCache *ptbcTbCache; // Cache memory
+static ULONG ctbcTbCache; // Cache size (in entries)
+
+static volatile CTbCache * volatile ptbcHead; // Head of that list
+static volatile CTbCache * volatile ptbcTail; // Last element in that list
+static volatile CTbCache * volatile ptbcFree; // First free cache header
+
+static INLINE void VTbCloseFile
+ (
+ int iTb,
+ color side
+ )
+ {
+ for (int iExtent = 0; iExtent < MAX_EXTENTS; iExtent ++) {
+ if (NULL != rgtbdDesc[iTb].m_rgfpFiles[side][iExtent])
+ {
+ Lock (rgtbdDesc[iTb].m_rglockFiles[side]);
+ if (NULL != rgtbdDesc[iTb].m_rgfpFiles[side][iExtent])
+ {
+ fclose (rgtbdDesc[iTb].m_rgfpFiles[side][iExtent]);
+ rgtbdDesc[iTb].m_rgfpFiles[side][iExtent] = NULL;
+ }
+ Unlock (rgtbdDesc[iTb].m_rglockFiles[side]);
+ }
+ }
+ }
+
+extern "C" void VTbCloseFiles (void)
+ {
+ // Initialized?
+ if (0 == ctbcTbCache)
+ return;
+
+ // Walk through TB cache and close all opened files
+ for (int iTb = 1; iTb < cTb; iTb ++)
+ {
+ VTbCloseFile (iTb, x_colorWhite);
+ VTbCloseFile (iTb, x_colorBlack);
+ }
+ }
+
+void VTbClearCache (void)
+ {
+ CTbCacheBucket *prgtbcbBuckets;
+ CTbCache *ptbc;
+ BYTE *pb;
+ ULONG i;
+
+ // Initialized?
+ if (0 == ctbcTbCache)
+ return;
+ VTbCloseFiles();
+
+ // Initialize all lists
+ pb = (BYTE *) & ptbcTbCache [ctbcTbCache];
+ for (i = 0, ptbc = ptbcTbCache; i < ctbcTbCache; i ++, ptbc ++)
+ {
+ ptbc->m_pbData = pb + i*(TB_CB_CACHE_CHUNK+32+4);
+ ptbc->m_ptbcTbPrev =
+ ptbc->m_ptbcTbNext =
+ ptbc->m_ptbcPrev = NULL;
+ ptbc->m_ptbcNext = (ptbc + 1);
+ }
+ ptbc[-1].m_ptbcNext = NULL;
+
+ // Clear references from TBs
+ for (int iTb = 1; iTb < cTb; iTb ++)
+ {
+ for (color sd=x_colorWhite; sd <= x_colorBlack; sd ++)
+ {
+ prgtbcbBuckets = rgtbdDesc[iTb].m_prgtbcbBuckets[sd];
+ if (NULL != prgtbcbBuckets)
+ {
+#if defined (SMP)
+ for (i = 0; i < TB_DIRECTORY_SIZE; i ++)
+ LockFree (prgtbcbBuckets[i].m_lock);
+#endif
+ memset (prgtbcbBuckets, 0, TB_DIRECTORY_SIZE * sizeof (CTbCacheBucket));
+#if defined (SMP)
+ for (i = 0; i < TB_DIRECTORY_SIZE; i ++)
+ LockInit (prgtbcbBuckets[i].m_lock);
+#endif
+ }
+ }
+ }
+
+ // Set globals
+ ptbcHead = ptbcTail = NULL;
+ ptbcFree = ptbcTbCache;
+ }
+
+extern "C" int FTbSetCacheSize
+ (
+ void *pv,
+ ULONG cbSize
+ )
+ {
+ VTbCloseFiles();
+ ctbcTbCache = 0;
+ ptbcHead = NULL;
+ if (cbSize < sizeof (CTbCache))
+ return false;
+ ptbcTbCache = (CTbCache*) pv;
+ ctbcTbCache = cbSize / (sizeof (CTbCache) + TB_CB_CACHE_CHUNK+32+4);
+ VTbClearCache();
+ return true;
+ }
+
+// Table registered
+
+INLINE int FRegisteredExtent
+ (
+ int iTb,
+ color side,
+ int iExtent
+ )
+ {
+ if (rgtbdDesc[iTb].m_fSymmetric)
+ side = x_colorWhite;
+ return (NULL != rgtbdDesc[iTb].m_rgpchFileName[side][iExtent]);
+ }
+
+INLINE int FRegistered
+ (
+ int iTb,
+ color side
+ )
+ {
+ int iExtent, cExtents;
+ INDEX cBytes;
+
+ if (rgtbdDesc[iTb].m_fSplit)
+ {
+ cBytes = rgtbdDesc[iTb].m_rgcbLength[side];
+ if (rgtbdDesc[iTb].m_f16bit)
+ cBytes *= 2;
+ cExtents = (int) (cBytes >> 31) + 1;
+ }
+ else
+ cExtents = 1;
+ for (iExtent = 0; iExtent < cExtents; iExtent ++)
+ {
+ if (FRegisteredExtent (iTb, side, iExtent))
+ return true;
+ }
+ return false;
+ }
+
+extern "C" int FRegisteredFun
+ (
+ int iTb,
+ color side
+ )
+ {
+ return FRegistered (iTb, side);
+ }
+
+// Return function that calculates the necessary index:
+
+#define PfnIndCalc(iTb, side) (rgtbdDesc[iTb].m_rgpfnCalcIndex[side])
+extern "C" PfnCalcIndex PfnIndCalcFun
+ (
+ int iTb,
+ color side
+ )
+ {
+ return PfnIndCalc (iTb, side);
+ }
+
+// Read whole file into memory
+
+extern "C" int FReadTableToMemory
+ (
+ int iTb, // IN | Tablebase
+ color side, // IN | Side to move
+ BYTE *pb // IN | Either buffer or NULL
+ )
+ {
+ char *pszName;
+ INDEX cb;
+ FILE *fp;
+
+ if (rgtbdDesc[iTb].m_fSymmetric)
+ side = x_colorWhite;
+ if (!FRegistered (iTb, side))
+ return false;
+ if (rgtbdDesc[iTb].m_fSplit)
+ return false;
+ for (int iExtent = 0; iExtent < MAX_EXTENTS; iExtent ++)
+ {
+ if (NULL != rgtbdDesc[iTb].m_rgpdiDecodeInfo[side][iExtent])
+ return false;
+ }
+ if (NULL != rgtbdDesc[iTb].m_rgpbRead[side])
+ return true;
+ pszName = rgtbdDesc[iTb].m_rgpchFileName[side][0];
+ fp = fopen (pszName, "rb");
+ if (NULL == fp)
+ return false;
+
+ // Find database size
+#if defined (NEW)
+ cb = rgtbdDesc[iTb].m_rgcbLength[side];
+ if (0 == cb)
+ {
+#endif
+ if (0 != fseek (fp, 0L, SEEK_END))
+ {
+ printf ("*** Seek in %s failed\n", pszName);
+ exit (1);
+ }
+ cb = ftell (fp);
+ if (-1 == (int) cb)
+ {
+ printf ("*** Cannot find length of %s\n", pszName);
+ exit (1);
+ }
+ if (0 != fseek (fp, 0L, SEEK_SET))
+ {
+ printf ("*** Seek in %s failed\n", pszName);
+ exit (1);
+ }
+#if defined (NEW)
+ }
+#if defined (T33_INCLUDE) || defined (KPPKP_16BIT)
+ else if (rgtbdDesc[iTb].m_f16bit)
+ {
+ if ((size_t) cb != cb) // Overflow
+ {
+ printf ("*** %s too big to read into memory\n", pszName);
+ exit (1);
+ }
+ }
+#endif
+#endif
+
+ // If buffer not specified, allocate memory for it
+ if (NULL == pb)
+ pb = (BYTE*) PvMalloc (cb);
+
+ // Read file into memory
+ if (cb != (INDEX) fread (pb, 1, cb, fp))
+ {
+ printf ("*** Read from %s failed\n", pszName);
+ exit (1);
+ }
+ fclose (fp);
+
+ // All done
+ rgtbdDesc[iTb].m_rgpbRead[side] = pb;
+ return true;
+ }
+
+#if defined (_WIN32) || defined(_WIN64)
+
+// Map whole file into memory
+
+extern "C" int FMapTableToMemory
+ (
+ int iTb, // IN | Tablebase
+ color side // IN | Side to move
+ )
+ {
+ char *pszName;
+
+ if (rgtbdDesc[iTb].m_fSymmetric)
+ side = x_colorWhite;
+ if (!FRegistered (iTb, side))
+ return false;
+ if (rgtbdDesc[iTb].m_fSplit)
+ return false;
+ for (int iExtent = 0; iExtent < MAX_EXTENTS; iExtent ++)
+ {
+ if (NULL != rgtbdDesc[iTb].m_rgpdiDecodeInfo[side][iExtent])
+ return false;
+ }
+ pszName = rgtbdDesc[iTb].m_rgpchFileName[side][0];
+ if (NULL == rgtbdDesc[iTb].m_rgpbRead[side])
+ {
+ rgtbdDesc[iTb].m_rgpbRead[side] = PbMapFileForRead (pszName, NULL, NULL);
+ if (fVerbose)
+ printf ("%s mapped\n", pszName);
+ }
+ return true;
+ }
+
+// Map whole file into memory
+
+int FMapTableToMemory
+ (
+ int iTb, // IN | Tablebase
+ color side, // IN | Side to move
+ HANDLE *phFile, // OUT | File handle will be written here
+ HANDLE *phFileMapping // OUT | File mapping handle will be written here
+ )
+ {
+ char *pszName;
+
+ if (rgtbdDesc[iTb].m_fSymmetric)
+ side = x_colorWhite;
+ if (!FRegistered (iTb, side))
+ return false;
+ if (rgtbdDesc[iTb].m_fSplit)
+ return false;
+ pszName = rgtbdDesc[iTb].m_rgpchFileName[side][0];
+ if (NULL == rgtbdDesc[iTb].m_rgpbRead[side])
+ {
+ rgtbdDesc[iTb].m_rgpbRead[side] = PbMapFileForRead (pszName, phFile, phFileMapping);
+ if (fVerbose)
+ printf ("%s mapped\n", pszName);
+ }
+ return true;
+ }
+
+// Unmap whole file from memory
+
+int FUnMapTableFromMemory
+ (
+ int iTb, // IN | Tablebase
+ color side, // IN | Side to move
+ HANDLE hFile, // IN | File handle will be written here
+ HANDLE hFileMapping // IN | File mapping handle will be written here
+ )
+ {
+ char *pszName;
+
+ if (rgtbdDesc[iTb].m_fSymmetric)
+ side = x_colorWhite;
+ if (!FRegistered (iTb, side))
+ return false;
+ if (rgtbdDesc[iTb].m_fSplit)
+ return false;
+ pszName = rgtbdDesc[iTb].m_rgpchFileName[side][0];
+ if (NULL != rgtbdDesc[iTb].m_rgpbRead[side])
+ {
+ VUnmapFile (rgtbdDesc[iTb].m_rgpbRead[side], hFile, hFileMapping);
+ rgtbdDesc[iTb].m_rgpbRead[side] = NULL;
+ if (fVerbose)
+ printf ("%s unmapped\n", pszName);
+ }
+ return true;
+ }
+
+#endif
+
+// Probe TB - lower level (not exportable) function
+
+static int TB_FASTCALL TbtProbeTable
+ (
+ int iTb,
+ color side,
+ unsigned indChunk,
+ unsigned indInChunk
+ )
+ {
+ CTbDesc *ptbd;
+ int iDirectory, iExtent, iPhysicalChunk;
+ volatile CTbCache * ptbc;
+ volatile CTbCache * ptbcTbFirst;
+ const char *pszFileName;
+
+ ptbd = & rgtbdDesc[iTb];
+ iDirectory = TB_DIRECTORY_ENTRY (indChunk);
+
+ // Head of the cache bucket LRU list
+ Lock (ptbd->m_prgtbcbBuckets[side][iDirectory].m_lock);
+ ptbcTbFirst = ptbd->m_prgtbcbBuckets[side][iDirectory].m_ptbcFirst;
+
+ // First, search entry in the cache
+ for (ptbc = ptbcTbFirst; NULL != ptbc; ptbc = ptbc->m_ptbcTbNext)
+ {
+ if (indChunk == ptbc->m_indChunk)
+ {
+ // Found - move cache entry to the head of the general LRU list
+ Lock (lockLRU);
+ if (ptbc != ptbcHead)
+ {
+ // Remove it from its current position
+ ptbc->m_ptbcPrev->m_ptbcNext = ptbc->m_ptbcNext;
+ if (NULL == ptbc->m_ptbcNext)
+ ptbcTail = ptbc->m_ptbcPrev;
+ else
+ ptbc->m_ptbcNext->m_ptbcPrev = ptbc->m_ptbcPrev;
+ // Insert it at the head
+ ptbc->m_ptbcPrev = NULL;
+ ptbc->m_ptbcNext = ptbcHead;
+ ptbcHead->m_ptbcPrev = ptbc;
+ ptbcHead = ptbc;
+ }
+ Unlock (lockLRU);
+ // Move cache entry to the head of the cache bucket LRU list
+ if (ptbc != ptbcTbFirst)
+ {
+ // Remove it from list
+ ptbc->m_ptbcTbPrev->m_ptbcTbNext = ptbc->m_ptbcTbNext;
+ if (NULL != ptbc->m_ptbcTbNext)
+ ptbc->m_ptbcTbNext->m_ptbcTbPrev = ptbc->m_ptbcTbPrev;
+ // Insert it at head
+ ptbc->m_ptbcTbPrev = NULL;
+ ptbc->m_ptbcTbNext = ptbcTbFirst;
+ ptbcTbFirst->m_ptbcTbPrev = ptbc;
+ ptbd->m_prgtbcbBuckets[side][iDirectory].m_ptbcFirst = ptbc;
+ }
+ int tb;
+
+ tb = (tb_t) (ptbc->m_pbData[(ULONG)indInChunk]);
+ Unlock (ptbd->m_prgtbcbBuckets[side][iDirectory].m_lock);
+ return tb;
+ }
+ }
+ // Not in the cache - have to read it from disk.
+ // I decided to write simple code - so sometimes it's possible that
+ // 2 threads will simultaneously read exactly the same chunk into 2
+ // different cache entries. In that case, all subsequent cache probes
+ // will hit the first cache entry, so the second one will 'drift' to
+ // the end of general LRU list and will be reused.
+
+ // Unlock cache bucket, so other threads can continue execution
+ Unlock (ptbd->m_prgtbcbBuckets[side][iDirectory].m_lock);
+ // First, find cache entry we can use
+ Lock (lockLRU);
+ // Get it either from a free list, or reuse last element of the LRU list
+ if (NULL != ptbcFree)
+ {
+ ptbc = ptbcFree;
+ ptbcFree = ptbc->m_ptbcNext;
+ Unlock (lockLRU);
+ }
+ else
+ {
+ unsigned iTailDirectory;
+ int iTailTb;
+ color colorTail;
+
+ assert (NULL != ptbcTail);
+#if defined (SMP)
+ // "Optimistic" model - assuming that there is low content
+ // (not hundreds of threads)
+ for (;;)
+ {
+ ptbc = ptbcTail;
+ iTailTb = ptbc->m_iTb;
+ iTailDirectory = TB_DIRECTORY_ENTRY (ptbc->m_indChunk);
+ colorTail = ptbc->m_color;
+ // To avoid deadlocks, have to first acquire cache buckets lock,
+ // and only then general LRU lock. So, free general LRU lock and
+ // acquire 2 locks in a proper order.
+ Unlock (lockLRU);
+ Lock (rgtbdDesc[iTailTb].m_prgtbcbBuckets[colorTail][iTailDirectory].m_lock);
+ Lock (lockLRU);
+ // Have structures been modified while we re-acquired locks?
+ // (to be more precise, it's Ok, if structures were modified,
+ // but cache entry again become the last element of the list,
+ // and TB, color, and cache bucket did not changed, so we locked
+ // proper locks).
+ if (ptbc == ptbcTail && ptbc->m_iTb == iTailTb &&
+ ptbc->m_color == colorTail &&
+ TB_DIRECTORY_ENTRY (ptbc->m_indChunk) == iTailDirectory)
+ break;
+ // Sorry - try once again...
+ Unlock (rgtbdDesc[iTailTb].m_prgtbcbBuckets[colorTail][iTailDirectory].m_lock);
+ }
+#else
+ ptbc = ptbcTail;
+ iTailTb = ptbc->m_iTb;
+ iTailDirectory = TB_DIRECTORY_ENTRY (ptbc->m_indChunk);
+ colorTail = ptbc->m_color;
+#endif
+
+ // Remove cache entry from the general LRU list
+ ptbcTail = ptbc->m_ptbcPrev;
+ if (NULL == ptbcTail)
+ ptbcHead = NULL;
+ else
+ ptbcTail->m_ptbcNext = NULL;
+ Unlock (lockLRU);
+
+ // Remove it from cache bucket list
+ if (NULL != ptbc->m_ptbcTbNext)
+ ptbc->m_ptbcTbNext->m_ptbcTbPrev = ptbc->m_ptbcTbPrev;
+ if (NULL == ptbc->m_ptbcTbPrev)
+ rgtbdDesc[iTailTb].m_prgtbcbBuckets[colorTail][iTailDirectory].m_ptbcFirst = ptbc->m_ptbcTbNext;
+ else
+ ptbc->m_ptbcTbPrev->m_ptbcTbNext = ptbc->m_ptbcTbNext;
+ Unlock (rgtbdDesc[iTailTb].m_prgtbcbBuckets[colorTail][iTailDirectory].m_lock);
+ }
+
+ // Ok, now we have "orphan" cache entry - it's excluded from all lists,
+ // so other threads will never touch it.
+ ptbc->m_iTb = iTb;
+ ptbc->m_color = side;
+ ptbc->m_indChunk = indChunk;
+
+ // Now read it from the disk
+ FILE *fp;
+ size_t cb;
+
+ // First, check: is necessary file opened?
+ // As files are not thread-safe, lock file
+ Lock (ptbd->m_rglockFiles[side]);
+ if (ptbd->m_fSplit)
+ {
+ iExtent = indChunk >> (31 - LOG2_TB_CB_CACHE_CHUNK);
+ iPhysicalChunk = indChunk - (iExtent << (31 - LOG2_TB_CB_CACHE_CHUNK));
+ }
+ else
+ {
+ iExtent = 0;
+ iPhysicalChunk = indChunk;
+ }
+ fp = ptbd->m_rgfpFiles[side][iExtent];
+ if (NULL == fp)
+ {
+ // Not - try to open it
+ pszFileName = ptbd->m_rgpchFileName[side][iExtent];
+ if (NULL != pszFileName)
+ {
+ fp = fopen (pszFileName, "rb");
+ if (NULL == fp)
+ {
+ // Failed. Close all the opened files and retry
+ Unlock (ptbd->m_rglockFiles[side]);
+ VTbCloseFiles ();
+ Lock (ptbd->m_rglockFiles[side]);
+ // Theoretically, it's possible that other threads opened a lot of
+ // files in the interval between VTbCloseFiles() and Lock(). If
+ // so, we'll fail - I don't like to have one more global lock
+ // especially for file open, at least not in first version.
+ // Problem can happen only on systems with small limit of
+ // simultaneously open files and high number of threads - unlikely
+ // combination.
+ fp = ptbd->m_rgfpFiles[side][iExtent];
+ if (NULL == fp)
+ {
+ fp = fopen (pszFileName, "rb");
+ if (NULL == fp)
+ {
+#if defined (STOP_ON_ERROR)
+ printf ("*** Unable to open file %s\n", pszFileName);
+ fflush (stdout);
+ exit(1);
+#endif
+ goto ERROR_LABEL;
+ }
+ }
+ }
+ ptbd->m_rgfpFiles[side][iExtent] = fp;
+ }
+ else
+ goto ERROR_LABEL;
+ }
+
+ // File opened. Now seek and read necessary chunk
+ if (NULL == ptbd->m_rgpdiDecodeInfo[side][iExtent])
+ {
+ long lPos;
+ int iResult;
+
+ lPos = (long) (iPhysicalChunk*TB_CB_CACHE_CHUNK);
+#if defined (T33_INCLUDE) || defined (T42_INCLUDE)
+ if (lPos < 0)
+ {
+ iResult = fseek (fp, 0L, SEEK_SET);
+ if (iResult)
+ {
+#if defined (STOP_ON_ERROR)
+ printf ("*** Unable to seek file %s offset %08X\n",
+ pszFileName, 0);
+ fflush (stdout);
+ exit(1);
+#endif
+ goto ERROR_LABEL;
+ }
+ do
+ {
+ iResult = fseek (fp, 0x40000000, SEEK_CUR);
+ if (iResult)
+ {
+#if defined (STOP_ON_ERROR)
+ printf ("*** Unable to seek file %s offset %08X\n",
+ pszFileName, 0x40000000);
+ fflush (stdout);
+ exit(1);
+#endif
+ goto ERROR_LABEL;
+ }
+ lPos -= 0x40000000;
+ } while (lPos < 0);
+ iResult = fseek (fp, lPos, SEEK_CUR);
+ }
+ else
+#endif
+ iResult = fseek (fp, lPos, SEEK_SET);
+ // Read uncompressed file
+ if (iResult)
+ {
+#if defined (STOP_ON_ERROR)
+ printf ("*** Unable to seek file %s offset %08X\n",
+ pszFileName, lPos);
+ fflush (stdout);
+ exit(1);
+#endif
+ goto ERROR_LABEL;
+ }
+ cb = fread (ptbc->m_pbData, 1, TB_CB_CACHE_CHUNK, fp);
+ if (cb != TB_CB_CACHE_CHUNK)
+ {
+ // Could not read TB_CB_CACHE_CHUNK - check for error
+ if (ferror (fp) || ((size_t) -1 == cb))
+ {
+#if defined (STOP_ON_ERROR)
+ printf ("*** Read error, file %s\n", pszFileName);
+ fflush (stdout);
+ exit(1);
+#endif
+ goto ERROR_LABEL;
+ }
+ }
+ Unlock (ptbd->m_rglockFiles[side]);
+ }
+ else
+ {
+ // Read compressed file
+ int fWasError;
+ decode_block *block;
+ decode_info *info = ptbd->m_rgpdiDecodeInfo[side][iExtent];
+
+#if defined (SMP)
+ // Find free decode block
+ decode_block **pBlock;
+
+ Lock (lockDecode);
+ pBlock = rgpdbDecodeBlocks;
+ while (NULL == *pBlock)
+ pBlock ++;
+ block = *pBlock;
+ *pBlock = NULL;
+ Unlock (lockDecode);
+#else
+ block = rgpdbDecodeBlocks[0];
+#endif
+
+ // Initialize decode block and read chunk
+ fWasError = 0 != comp_init_block (block, TB_CB_CACHE_CHUNK, ptbc->m_pbData) ||
+ 0 != comp_read_block (block, info, fp, iPhysicalChunk);
+
+ // Release lock on file, so other threads can proceed with that file
+ Unlock (ptbd->m_rglockFiles[side]);
+
+ // Decompress chunk
+ if (!fWasError)
+ fWasError |= (0 != comp_decode_and_check_crc (block, info, block->orig.size, TB_CRC_CHECK));
+
+ // Release block
+#if defined (SMP)
+ Lock (lockDecode);
+ *pBlock = block;
+ Unlock (lockDecode);
+#endif
+
+ // Read Ok?
+ if (fWasError)
+ {
+#if defined (STOP_ON_ERROR)
+ printf ("*** Decompression error, file %s\n", pszFileName);
+ fflush (stdout);
+ exit(1);
+#endif
+ goto ERROR_LABEL_2;
+ }
+ }
+
+ // Read - now acquire locks and insert cache entry in both lists
+ Lock (ptbd->m_prgtbcbBuckets[side][iDirectory].m_lock);
+ Lock (lockLRU);
+
+ // Insert cache entry into general LRU list
+ ptbc->m_ptbcPrev = NULL;
+ ptbc->m_ptbcNext = ptbcHead;
+ if (NULL == ptbcHead)
+ ptbcTail = ptbc;
+ else
+ ptbcHead->m_ptbcPrev = ptbc;
+ ptbcHead = ptbc;
+
+ // Insert cache entry into cache bucket LRU list
+ ptbc->m_ptbcTbPrev = NULL;
+ ptbc->m_ptbcTbNext = ptbd->m_prgtbcbBuckets[side][iDirectory].m_ptbcFirst;
+ if (NULL != ptbc->m_ptbcTbNext)
+ ptbc->m_ptbcTbNext->m_ptbcTbPrev = ptbc;
+ ptbd->m_prgtbcbBuckets[side][iDirectory].m_ptbcFirst = ptbc;
+
+ // All done
+ int tb;
+
+ tb = (tb_t) (ptbc->m_pbData[indInChunk]);
+ // Release locks
+ Unlock (ptbd->m_prgtbcbBuckets[side][iDirectory].m_lock);
+ Unlock (lockLRU);
+ return tb;
+
+ // I/O error. Here I don't want to halt the program, because that can
+ // happen in the middle of the important game. Just return failure.
+ERROR_LABEL:
+ Unlock (ptbd->m_rglockFiles[side]);
+ERROR_LABEL_2:
+ Lock (lockLRU);
+ ptbd->m_rgpchFileName[side][iExtent] = NULL;
+ ptbc->m_ptbcNext = ptbcFree;
+ ptbcFree = ptbc;
+ Unlock (lockLRU);
+ return L_bev_broken;
+ }
+
+// Probe TB - upper level function
+
+static int TB_FASTCALL TbtProbeTable
+ (
+ int iTb,
+ color side,
+ INDEX indOffset
+ )
+ {
+ CTbDesc *ptbd;
+
+ assert (iTb > 0 && iTb < cTb);
+ ptbd = & rgtbdDesc[iTb];
+ if (ptbd->m_fSymmetric)
+ side = x_colorWhite;
+
+ // It's better for offset be smaller than TB size
+ assert (!FRegistered (iTb, side) || indOffset < ptbd->m_rgcbLength[side]);
+
+ // Entire file read/mapped to memory?
+ if (NULL != ptbd->m_rgpbRead[side])
+ return (tb_t) ptbd->m_rgpbRead[side][indOffset];
+
+ // Cache initialized? TB registered?
+ if (0 == ctbcTbCache || NULL == ptbd->m_prgtbcbBuckets[side])
+ return bev_broken;
+
+#if defined (T33_INCLUDE) || defined (KPPKP_16BIT)
+ if (ptbd->m_f16bit)
+ return bev_broken;
+#endif
+
+ int tb;
+
+ tb = TbtProbeTable (iTb, side,(unsigned) TB_CHUNK (indOffset), (unsigned) TB_OFFSET (indOffset));
+ return (L_bev_broken == tb) ? bev_broken : (tb_t) tb;
+ }
+
+// 16-bit version (recommended)
+
+#define FOutOfBound(iTb, side, indOffset)\
+ (tbid_kppkp == iTb && x_colorBlack == side &&\
+ (indOffset == 0x0362BC7C || indOffset == 0x0362DE44 || indOffset == 0x03637648 ||\
+ indOffset == 0x03639810 || indOffset == 0x038D4F29 || indOffset == 0x040A2CAB ||\
+ indOffset == 0x043C778C))
+
+extern "C" int TB_FASTCALL L_TbtProbeTable
+ (
+ int iTb,
+ color side,
+ INDEX indOffset
+ )
+ {
+ int tbtScore;
+ CTbDesc *ptbd;
+
+ assert (iTb > 0 && iTb < cTb);
+ ptbd = & rgtbdDesc[iTb];
+ if (ptbd->m_fSymmetric)
+ side = x_colorWhite;
+
+ // Entire file read/mapped to memory?
+ if (NULL != ptbd->m_rgpbRead[side])
+ {
+#if defined (KPPKP_16BIT)
+ if (!ptbd->m_f16bit)
+ {
+ tbtScore = (tb_t) ptbd->m_rgpbRead[side][indOffset];
+ return S_to_L (tbtScore);
+ }
+ else
+ return (((int) (((signed char) ptbd->m_rgpbRead[side][indOffset*2+1]))) << 8) +
+ ptbd->m_rgpbRead[side][indOffset*2];
+#elif defined (T33_INCLUDE)
+ if (!ptbd->m_f16bit)
+ {
+ if (FOutOfBound (iTb, side, indOffset))
+ return -32639;
+ else
+ {
+ tbtScore = (tb_t) ptbd->m_rgpbRead[side][indOffset];
+ return S_to_L (tbtScore);
+ }
+ }
+ else
+ return (((int) (((signed char) ptbd->m_rgpbRead[side][indOffset*2+1]))) << 8) +
+ ptbd->m_rgpbRead[side][indOffset*2];
+#else
+ if (FOutOfBound (iTb, side, indOffset))
+ return -32639;
+ else
+ {
+ tbtScore = (tb_t) ptbd->m_rgpbRead[side][indOffset];
+ return S_to_L (tbtScore);
+ }
+#endif
+ }
+
+ // Cache initialized? TB registered?
+ if (0 == ctbcTbCache || NULL == ptbd->m_prgtbcbBuckets[side])
+ return L_bev_broken;
+
+#if defined (T33_INCLUDE) || defined (T42_INCLUDE)
+ if (ptbd->m_f16bit)
+ {
+ // Inefficient, but very simple, code
+ int iLo;
+ int iHi;
+
+ iLo = TbtProbeTable (iTb, side, (unsigned) WIDE_TB_CHUNK (indOffset), (unsigned) WIDE_TB_OFFSET (indOffset));
+ iHi = TbtProbeTable (iTb, side, (unsigned) WIDE_TB_CHUNK (indOffset), (unsigned) WIDE_TB_OFFSET (indOffset)+1);
+ tbtScore = (L_bev_broken == iLo || L_bev_broken == iHi) ? L_bev_broken : ((iHi << 8) + (iLo & 0xFF));
+ }
+ else
+ {
+#if !defined (KPPKP_16BIT)
+ if (FOutOfBound (iTb, side, indOffset))
+ return -32639;
+#endif
+ tbtScore = TbtProbeTable (iTb, side, (unsigned) TB_CHUNK (indOffset), (unsigned) TB_OFFSET (indOffset));
+ tbtScore = L_bev_broken == tbtScore ? L_bev_broken : S_to_L (tbtScore);
+ }
+#elif !defined (KPPKP_16BIT)
+ if (FOutOfBound (iTb, side, indOffset))
+ return -32639;
+ tbtScore = TbtProbeTable (iTb, side, (unsigned) TB_CHUNK (indOffset), (unsigned) TB_OFFSET (indOffset));
+ tbtScore = L_bev_broken == tbtScore ? L_bev_broken : S_to_L (tbtScore);
+#else
+ if (tbid_kppkp != iTb)
+ {
+ // All tables but kppkp are 8-bit tables
+ tbtScore = TbtProbeTable (iTb, side, (unsigned) TB_CHUNK (indOffset), (unsigned) TB_OFFSET (indOffset));
+ tbtScore = L_bev_broken == tbtScore ? L_bev_broken : S_to_L (tbtScore);
+ }
+ else
+ {
+ // Special handling of kppkp - it's 16-bit table
+ // Inefficient, but very simple, code
+ int iLo;
+ int iHi;
+
+ iLo = TbtProbeTable (iTb, side, (unsigned) WIDE_TB_CHUNK (indOffset), (unsigned) WIDE_TB_OFFSET (indOffset));
+ iHi = TbtProbeTable (iTb, side, (unsigned) WIDE_TB_CHUNK (indOffset), (unsigned) WIDE_TB_OFFSET (indOffset)+1);
+ tbtScore = (L_bev_broken == iLo || L_bev_broken == iHi) ? L_bev_broken : ((iHi << 8) + (iLo & 0xFF));
+ }
+#endif
+ return tbtScore;
+ }
+
+//-----------------------------------------------------------------------------
+//
+// Global initialization
+
+// TODO: Check size of split tables, too
+
+static void VCheckSize
+ (
+ int iTb,
+ color side,
+ int iExtent,
+ INDEX cb,
+ char *rgchTbName
+ )
+ {
+#if defined (NEW)
+ INDEX cbOk1, cbOk2;
+
+ if (0 == rgtbdDesc[iTb].m_rgcbLength[side])
+ return;
+
+ cbOk1 = rgtbdDesc[iTb].m_rgcbLength[side];
+ cbOk2 = cbOk1;
+#if defined (T_INDEX64)
+ if (rgtbdDesc[iTb].m_fSplit)
+ {
+ cbOk1 = (1u << (rgtbdDesc[iTb].m_f16bit ? 30 : 31));
+ cbOk2 = cbOk2 % (1u << (rgtbdDesc[iTb].m_f16bit ? 30 : 31));
+ }
+#endif
+
+ if (cb != cbOk1 && cb != cbOk2)
+ {
+ printf ("*** %s corrupted "
+ DEC_INDEX_FORMAT" "DEC_INDEX_FORMAT" "DEC_INDEX_FORMAT"\n",
+ rgchTbName, cbOk1, cbOk2, cb);
+ exit (1);
+ }
+#endif
+ }
+
+
+#if defined (_WIN32) || defined (_WIN64)
+int iDrivesMap;
+BOOL rgfAccessed[26];
+BOOL rgfNotReady[26];
+#endif
+
+static int FCheckExtentExistance
+ (
+ char *pszPath,
+ int iTb,
+ color side,
+ int iExtent
+ )
+ {
+ FILE *fp;
+ char *pchCopy;
+ const char *pchExt = PchExt (side);
+ char rgchTbName[1024];
+ char rgchExtent[4];
+ CTbCacheBucket *prgtbcbBuckets;
+ INDEX cb;
+ decode_info *comp_info = NULL;
+ int fWasError;
+ decode_block *block;
+ BYTE rgbBuffer[TB_CB_CACHE_CHUNK+32+4];
+
+ if (FRegisteredExtent (iTb, side, iExtent) || NULL != rgtbdDesc[iTb].m_rgpbRead[side])
+ return true;
+
+#if defined (_WIN32) || defined (_WIN64)
+ // Do not repeatedely probe device that is not ready
+ // (i.e. unmapped disk or CD-ROM that does not contain the disk).
+ if (NULL != pszPath && 0 != pszPath[0] && ':' == pszPath[1])
+ {
+ int iDrive;
+ char szRoot[5];
+ WIN32_FIND_DATAA fd;
+ HANDLE hResult;
+
+ iDrive = tolower(pszPath[0]) - 'a';
+ if (iDrive >= 0 && iDrive < 26)
+ {
+ if (rgfNotReady[iDrive])
+ return false;
+ if (!rgfAccessed[iDrive])
+ {
+ if (iDrivesMap && 0 == (iDrivesMap & (1 << iDrive)))
+ return false;
+ szRoot[0] = pszPath[0];
+ szRoot[1] = pszPath[1];
+ szRoot[2] = '\\';
+ szRoot[3] = '*';
+ szRoot[4] = 0;
+ hResult = FindFirstFileA (szRoot, &fd);
+ if (INVALID_HANDLE_VALUE == hResult)
+ {
+ if (ERROR_NOT_READY == GetLastError())
+ {
+ rgfNotReady[iDrive] = true;
+ return false;
+ }
+ }
+ else
+ FindClose (hResult);
+ rgfAccessed[iDrive] = true;
+ }
+ }
+ }
+#endif
+
+ strcpy (rgchTbName, pszPath);
+ if (0 != pszPath[0] && DELIMITER[0] != pszPath[strlen(pszPath)-1])
+ strcat (rgchTbName, DELIMITER);
+ strcat (rgchTbName, rgtbdDesc[iTb].m_rgchName);
+ if (rgtbdDesc[iTb].m_fSplit)
+ {
+ rgchExtent[0] = '.';
+ if (iExtent >= 10)
+ rgchExtent[1] = (char) (iExtent + 'a' - 10);
+ else
+ rgchExtent[1] = (char) (iExtent + '0');
+ rgchExtent[2] = '\0';
+ strcat (rgchTbName, rgchExtent);
+ }
+ strcat (rgchTbName, pchExt);
+ cOpenFilesAttempts ++;
+ fp = fopen (rgchTbName, "rb");
+ //printf (">>> Opening %s\n", rgchTbName);
+ cOpenFilesSuceed += (NULL != fp);
+#if !defined (NEW) && !defined (_WIN32) && !defined(_WIN64)
+ // For case-sensitive systems, have to try once more
+ if (NULL == fp)
+ {
+ for (int i = strchr(rgchTbName,'.')-rgchTbName-1; i>=0 && isalpha(rgchTbName[i]); i--)
+ rgchTbName[i] = toupper (rgchTbName[i]);
+ cOpenFilesAttempts ++;
+ fp = fopen (rgchTbName, "rb");
+ //printf (">>> Opening %s\n", rgchTbName);
+ cOpenFilesSuceed += (NULL != fp);
+ }
+#endif
+ if (NULL != fp)
+ {
+ // Found uncompressed table
+ if (rgtbdDesc[iTb].m_f16bit ||
+ ((int)(cb = rgtbdDesc[iTb].m_rgcbLength[side])) < 0 ||
+ cb != (unsigned) cb)
+ {
+ // Do not check the length for too large files
+ cb = rgtbdDesc[iTb].m_rgcbLength[side];
+ }
+ else
+ {
+ if (0 != fseek (fp, 0L, SEEK_END))
+ {
+ printf ("*** Seek in %s failed\n", rgchTbName);
+ exit (1);
+ }
+ cb = (INDEX) ftell (fp);
+ VCheckSize (iTb, side, iExtent, cb, rgchTbName);
+ }
+ }
+ else
+ {
+ // Check for compressed table.
+ // First, check for kxykz.nb?.emd
+ strcat (rgchTbName, ".emd");
+ cOpenFilesAttempts ++;
+ fp = fopen (rgchTbName, "rb");
+ //printf (">>> Opening %s\n", rgchTbName);
+ cOpenFilesSuceed += (NULL != fp);
+ if ((NULL == fp) && !rgtbdDesc[iTb].m_fSplit)
+ {
+ // Check for kxykz_nb?.emd
+ rgchTbName [strlen(rgchTbName)-8] = '_';
+ cOpenFilesAttempts ++;
+ fp = fopen (rgchTbName, "rb");
+ //printf (">>> Opening %s\n", rgchTbName);
+ cOpenFilesSuceed += (NULL != fp);
+ }
+ if ((NULL == fp) && !rgtbdDesc[iTb].m_fSplit)
+ {
+ // Check for kxykz_nb?_emd
+ rgchTbName [strlen(rgchTbName)-4] = '_';
+ cOpenFilesAttempts ++;
+ fp = fopen (rgchTbName, "rb");
+ //printf (">>> Opening %s\n", rgchTbName);
+ cOpenFilesSuceed += (NULL != fp);
+ }
+#if defined (T41_INCLUDE)
+ if ((NULL == fp) && (iTb <= tbid_kqqqk))
+#else
+ if ((NULL == fp) && (iTb <= tbid_kqqkq))
+#endif
+ {
+ // Check for kxykznb?.emd (8+3 format)
+ int cch;
+
+ rgchTbName [strlen(rgchTbName)-4] = '.';
+ cch = strlen (rgchTbName);
+ memmove (rgchTbName+cch-8, rgchTbName+cch-7, 8);
+ cOpenFilesAttempts ++;
+ fp = fopen (rgchTbName, "rb");
+ //printf (">>> Opening %s\n", rgchTbName);
+ cOpenFilesSuceed += (NULL != fp);
+ }
+ if (NULL == fp)
+ return false;
+ cCompressed ++;
+ int iResult = comp_open_file (&comp_info, fp, TB_CRC_CHECK);
+ if (0 != iResult)
+ {
+ printf ("*** Unable to read %s - ", rgchTbName);
+ switch (iResult & 0xFF)
+ {
+ case COMP_ERR_READ:
+ printf ("read error\n");
+ break;
+ case COMP_ERR_NOMEM:
+ printf ("out of memory\n");
+ break;
+ case COMP_ERR_BROKEN:
+ printf ("file broken\n");
+ break;
+ default:
+ printf ("error %d\n", iResult);
+ break;
+ }
+ exit (1);
+ }
+ if (comp_info->block_size != TB_CB_CACHE_CHUNK)
+ {
+ printf ("*** %s: Unsupported block size %d\n", rgchTbName, comp_info->block_size);
+ exit (1);
+ }
+ if (rgtbdDesc[iTb].m_f16bit)
+ {
+ cb = ((INDEX)comp_info->block_size/2)*(comp_info->n_blk-1) +
+ (INDEX)comp_info->last_block_size/2;
+ VCheckSize (iTb, side, iExtent, cb, rgchTbName);
+ }
+ else
+ {
+ cb = ((INDEX)comp_info->block_size)*(comp_info->n_blk-1) +
+ (INDEX)comp_info->last_block_size;
+ VCheckSize (iTb, side, iExtent, cb, rgchTbName);
+ }
+
+#if 0
+ block = rgpdbDecodeBlocks[0];
+ if (NULL == block)
+ {
+ int iResult = comp_alloc_block (&rgpdbDecodeBlocks[0], TB_CB_CACHE_CHUNK);
+ if (0 != iResult)
+ {
+ printf ("*** Cannot allocate decode block: error code %d\n", iResult);
+ exit (1);
+ }
+ block = rgpdbDecodeBlocks[0];
+ }
+ // Initialize decode block and read chunk
+ fWasError = 0 != comp_init_block (block, TB_CB_CACHE_CHUNK, rgbBuffer) ||
+ 0 != comp_read_block (block, comp_info, fp, TB_CHUNK (cb-1)) ||
+ 0 != comp_decode_and_check_crc (block, comp_info, block->orig.size, TB_CRC_CHECK);
+ if (fWasError)
+ {
+ printf ("*** Sanity check on %s failed\n", rgchTbName);
+ exit (1);
+ }
+#endif
+ }
+
+ fclose (fp);
+ if (FRegisterTb (& (rgtbdDesc[iTb])))
+ {
+ pchCopy = (char*) PvMalloc (strlen(rgchTbName)+1);
+ strcpy (pchCopy, rgchTbName);
+ free (rgtbdDesc[iTb].m_rgpchFileName[side][iExtent]);
+ rgtbdDesc[iTb].m_rgpchFileName[side][iExtent] = pchCopy;
+ if (NULL == rgtbdDesc[iTb].m_prgtbcbBuckets[side])
+ {
+ prgtbcbBuckets = (CTbCacheBucket*) PvMalloc (TB_DIRECTORY_SIZE*sizeof(CTbCacheBucket));
+ memset (prgtbcbBuckets, 0, TB_DIRECTORY_SIZE*sizeof(CTbCacheBucket));
+#if defined (SMP)
+ for (int i = 0; i < TB_DIRECTORY_SIZE; i ++)
+ LockInit (prgtbcbBuckets[i].m_lock);
+#endif
+ rgtbdDesc[iTb].m_prgtbcbBuckets[side] = prgtbcbBuckets;
+ if (fVerbose)
+ printf ("%s registered\n", pchCopy);
+ }
+ else
+ {
+ if (fVerbose)
+ printf ("%s found\n", pchCopy);
+ }
+ rgtbdDesc[iTb].m_rgpdiDecodeInfo[side][iExtent] = comp_info;
+ return true;
+ }
+ else
+ {
+ printf ("*** Unable to register %s\n", rgchTbName);
+ exit (1);
+ }
+ return false;
+ }
+
+int FCheckExistance
+ (
+ char *pszPath,
+ int iTb,
+ color side
+ )
+ {
+ int fFound;
+ int cExtents;
+ INDEX cBytes;
+
+ if (rgtbdDesc[iTb].m_fSplit)
+ {
+ cBytes = rgtbdDesc[iTb].m_rgcbLength[side];
+ if (rgtbdDesc[iTb].m_f16bit)
+ cBytes *= 2;
+ cExtents = (int) (cBytes >> 31) + 1;
+ }
+ else
+ cExtents = 1;
+ fFound = false;
+ for (int iExtent = 0; iExtent < cExtents; iExtent++)
+ {
+ if (!FCheckExtentExistance (pszPath, iTb, side, iExtent))
+ break;
+ fFound = true;
+ }
+ return fFound;
+ }
+
+extern "C" int IInitializeTb
+ (
+ char *pszPath
+ )
+ {
+ char szTemp[1024];
+ color sd;
+ int iTb, iMaxTb, iExtent, i;
+ CTbCacheBucket *prgtbcbBuckets;
+
+#if defined (_WIN32) || defined (_WIN64)
+ // For Windows, get bit map of ready devices
+ iDrivesMap = GetLogicalDrives();
+ memset (rgfAccessed, 0, sizeof(rgfAccessed));
+ memset (rgfNotReady, 0, sizeof(rgfNotReady));
+#endif
+
+ cOpenFilesAttempts = cOpenFilesSuceed = 0;
+ cbAllocated = cbEGTBCompBytes = 0;
+ // If there are open files, close those
+ VTbCloseFiles ();
+#if defined (SMP)
+ // Init all locks
+ LockInit (lockLRU);
+ LockInit (lockDecode);
+ for (iTb = 1; iTb < cTb; iTb ++)
+ {
+ LockInit (rgtbdDesc[iTb].m_rglockFiles[x_colorWhite]);
+ LockInit (rgtbdDesc[iTb].m_rglockFiles[x_colorBlack]);
+ }
+#endif
+#if defined (NEW)
+ // Create enumeration tables
+ VInitEnumerations ();
+#endif
+ // Create empty TB search table
+ VCreateEmptyTbTable ();
+ // Free memory from TB table
+ for (iTb = 1; iTb < cTb; iTb ++)
+ {
+ for (sd = x_colorWhite; sd <= x_colorBlack; sd = (color) (sd + 1))
+ {
+ if (NULL != rgtbdDesc[iTb].m_prgtbcbBuckets[sd] &&
+ NULL == rgtbdDesc[iTb].m_rgpbRead[sd])
+ {
+ prgtbcbBuckets = rgtbdDesc[iTb].m_prgtbcbBuckets[sd];
+#if defined (SMP)
+ for (i = 0; i < TB_DIRECTORY_SIZE; i ++)
+ LockFree (prgtbcbBuckets[i].m_lock);
+#endif
+ free (prgtbcbBuckets);
+ rgtbdDesc[iTb].m_prgtbcbBuckets[sd] = NULL;
+ }
+ for (iExtent = 0; iExtent < MAX_EXTENTS; iExtent ++)
+ {
+ if (NULL != rgtbdDesc[iTb].m_rgpchFileName[sd][iExtent])
+ {
+ free (rgtbdDesc[iTb].m_rgpchFileName[sd][iExtent]);
+ rgtbdDesc[iTb].m_rgpchFileName[sd][iExtent] = NULL;
+ }
+ if (NULL != rgtbdDesc[iTb].m_rgpdiDecodeInfo[sd][iExtent])
+ {
+ free (rgtbdDesc[iTb].m_rgpdiDecodeInfo[sd][iExtent]);
+ rgtbdDesc[iTb].m_rgpdiDecodeInfo[sd][iExtent] = NULL;
+ }
+ }
+ }
+ }
+ // Free compressed blocks
+ for (i = 0; i < CPUS; i ++)
+ {
+ if (NULL != rgpdbDecodeBlocks[i])
+ {
+ free (rgpdbDecodeBlocks[i]);
+ rgpdbDecodeBlocks[i] = NULL;
+ }
+ }
+
+ if(pszPath == NULL)
+ return 0;
+
+ // Search for existing TBs
+ iMaxTb = 0;
+ for (;;)
+ {
+ for (i = 0; pszPath[i] != '\0' && pszPath[i] != ',' && pszPath[i] != ';'
+#if !defined (_WIN32) && !defined (__MWERKS__) && !defined(_WIN64)
+ && pszPath[i] != ':'
+#endif
+ ; i ++)
+ {
+ szTemp[i] = pszPath[i];
+ }
+ szTemp[i] = '\0';
+ for (iTb = 1; iTb < cTb; iTb ++)
+ {
+ if (FCheckExistance (szTemp, iTb, x_colorWhite))
+ {
+ if (iTb > iMaxTb)
+ iMaxTb = iTb;
+ }
+ if (! rgtbdDesc[iTb].m_fSymmetric && FCheckExistance (szTemp, iTb, x_colorBlack))
+ {
+ if (iTb > iMaxTb)
+ iMaxTb = iTb;
+ }
+ }
+ pszPath += i;
+ if ('\0' == *pszPath)
+ break;
+ pszPath ++;
+ }
+
+ // If there were compressed files, have to allocate buffer(s)
+ if (0 != cCompressed)
+ {
+ for (i = 0; i < CPUS; i ++)
+ {
+ if (NULL == rgpdbDecodeBlocks[i])
+ {
+ int iResult = comp_alloc_block (&rgpdbDecodeBlocks[i], TB_CB_CACHE_CHUNK);
+ if (0 != iResult)
+ {
+ printf ("*** Cannot allocate decode block: error code %d\n", iResult);
+ exit (1);
+ }
+ }
+ }
+ if (fVerbose)
+ printf ("Allocated %dKb for decompression tables, indices, and buffers.\n",
+ (cbEGTBCompBytes+1023)/1024);
+ }
+
+ if (fVerbose)
+ printf ("Tried to open %d files. Opened %d files.\n",
+ cOpenFilesAttempts, cOpenFilesSuceed);
+ // All done!
+#if defined T33_INCLUDE
+ if (iMaxTb >= tbid_knnknn)
+ return 6;
+#elif defined (T42_INCLUDE)
+ if (iMaxTb >= tbid_knnnkn)
+ return 6;
+#endif
+ if (iMaxTb >= tbid_kppkp)
+ return 5;
+ if (iMaxTb >= tbid_kpkp)
+ return 4;
+ if (iMaxTb >= tbid_kpk)
+ return 3;
+ return 0;
+ }
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ epd.c
+
+Abstract:
+
+Author:
+
+
+Revision History:
+
+ $Id: epd.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+FLAG
+ParseEPDLine(char *szEpd)
+{
+ char *szFen = FindChunk(szEpd, 1);
+
+
+}
--- /dev/null
+/**
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ eval.c
+
+Abstract:
+
+ Position evaluation routines.
+
+Author:
+
+
+Revision History:
+
+ $Id: eval.c 357 2008-07-03 16:18:11Z scott $
+
+**/
+
+#include "chess.h"
+
+typedef void (*PEVAL_HELPER)(POSITION *, COOR, PAWN_HASH_ENTRY *);
+typedef FLAG (FASTCALL *PMOBILITY_HELPER)(POSITION *, COOR, ULONG *, ULONG *);
+
+//
+// To simplify code / maintenance I use the same loop for both colors
+// in some places. These globals coorespond to "ahead of the piece"
+// or "behind the piece" for each color.
+//
+const int g_iAhead[2] = { +1, -1 };
+const int g_iBehind[2] = { -1, +1 };
+
+//
+// General eval terms
+// ---------------------------------------------------------------------------
+//
+static SCORE TRADE_PIECES[3][17] =
+{// 0 1 2 3 4 5 6 7 8 | 9..15 -- down piece count
+ { -1, 90, 81, 73, 67, 62, 57, 52, 50, 50,50,50,50,50,50,50,-1},
+ { -1, 125, 117, 109, 100, 91, 84, 78, 71, 66,66,66,66,66,66,66,-1},
+ { -1, 150, 132, 124, 116, 109, 102, 94, 87, 77,77,77,77,77,77,77,-1},
+};
+
+static SCORE DONT_TRADE_PAWNS[3][9] =
+{// 0 1 2 3 4 5 6 7 8 -- up pawn count
+ { -43, -15, 0, +3, +6, +10, +15, +21, +28 }, // 0
+ { -63, -25, 0, +4, +9, +14, +19, +25, +32 }, // 1
+ { -10, 0, 0, +7, +15, +20, +24, +29, +36 }, // 2
+};
+
+static ULONG REDUCED_MATERIAL_DOWN_SCALER[32] =
+{
+// none na na m na R 2m na
+ 0, 0, 0, 0, 0, 0, 0, 0,
+
+// Rm 3m/Q 2R R2m 4m/Qm 2Rm R3m/QR Q2m
+ 0, 1, 1, 1, 1, 1, 2, 3,
+
+// 2R2m R4m/QRm Q3m 2R3m/ QR2m Q4m 2R4m/ QR3m
+// Q2R Q2Rm
+ 4, 5, 6, 6, 7, 7, 7, 7,
+
+// na Q2R2m QR4m na Q2R3m na na full
+ 8, 8, 8, 8, 8, 8, 8, 8,
+};
+
+static ULONG REDUCED_MATERIAL_UP_SCALER[32] =
+{
+// none na na m na R 2m na
+ 8, 8, 8, 8, 8, 8, 8, 8,
+
+// Rm 3m/Q 2R R2m 4m/Qm 2Rm R3m/QR Q2m
+ 8, 7, 7, 7, 7, 6, 6, 5,
+
+// 2R2m R4m/QRm Q3m 2R3m/ QR2m Q4m 2R4m/ QR3m
+// Q2R Q2Rm
+ 4, 3, 3, 3, 2, 2, 2, 1,
+
+// na Q2R2m QR4m na Q2R3m na na full
+ 1, 1, 0, 0, 0, 0, 0, 0,
+};
+
+static ULONG PASSER_MATERIAL_UP_SCALER[32] =
+{
+// none na na m na R 2m na
+ 8, 8, 8, 8, 8, 8, 7, 7,
+
+// Rm 3m/Q 2R R2m 4m/Qm 2Rm R3m/QR Q2m
+ 7, 6, 7, 5, 4, 5, 4, 3,
+
+// 2R2m R4m/QRm Q3m 2R3m/ QR2m Q4m 2R4m/ QR3m
+// Q2R Q2Rm
+ 2, 2, 1, 1, 0, 0, 0, 0,
+
+// na Q2R2m QR4m na Q2R3m na na full
+ 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+COOR QUEENING_RANK[2] = { 1, 8 };
+COOR JUMPING_RANK[2] = { 7, 2 };
+
+//
+// Pawn eval terms
+// ---------------------------------------------------------------------------
+//
+// "There is one case which can be treated as positional or material,
+// namely the rook's pawn, which differs from other pawns in that it
+// can only capture one way instead of two. Since this handicap cannot
+// be corrected without the opponent's help, I teach my students to
+// regard the rook's pawn as a different piece type, a crippled
+// pawn. Database statistics indicate that it is on average worth
+// about 15% less than a normal pawn. The difference is enough so that
+// it is usually advantageous to make a capture with a rook's pawn,
+// promoting it to a knights pawn, even if that produces doubled pawns
+// and even if there is no longer a rook on the newly opened rook's
+// file."
+// --Larry Kaufman, IM
+// "Evaluation of Material Imbalance"
+//
+static SCORE PAWN_CENTRALITY_BONUS[128] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ -8, 0, 0, 0, 0, 0, 0, -8, 0,0,0,0,0,0,0,0,
+ -8, 0, 5, 5, 5, 5, 0, -8, 0,0,0,0,0,0,0,0,
+ -8, 0, 5, 9, 9, 5, 0, -8, 0,0,0,0,0,0,0,0,
+// -------------------------------------------------------------------
+ -8, 0, 5, 9, 9, 5, 0, -8, 0,0,0,0,0,0,0,0,
+ -8, 0, 5, 5, 5, 5, 0, -8, 0,0,0,0,0,0,0,0,
+ -8, 0, 0, 0, 0, 0, 0, -8, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0
+};
+
+static SCORE BACKWARD_SHIELDED_BY_LOCATION[128] =
+{
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0,
+ -7, -5, -5, -7, -7, -5, -5, -7, 0,0,0,0,0,0,0,0,
+ -5, -4, -4, -5, -5, -4, -4, -5, 0,0,0,0,0,0,0,0,
+ -4, -3, -3, -4, -4, -3, -3, -4, 0,0,0,0,0,0,0,0,
+// -------------------------------------------------------------------
+ -4, -3, -3, -4, -4, -3, -3, -4, 0,0,0,0,0,0,0,0,
+ -5, -4, -4, -5, -5, -4, -4, -5, 0,0,0,0,0,0,0,0,
+ -7, -5, -5, -7, -7, -5, -5, -7, 0,0,0,0,0,0,0,0,
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0
+};
+
+static SCORE BACKWARD_EXPOSED_BY_LOCATION[128] =
+{
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0,
+ -12, -9, -9, -11, -11, -9, -9, -12, 0,0,0,0,0,0,0,0,
+ -9, -7, -7, -9, -9, -7, -7, -9, 0,0,0,0,0,0,0,0,
+ -7, -6, -6, -7, -7, -6, -6, -7, 0,0,0,0,0,0,0,0,
+// -------------------------------------------------------------------
+ -7, -6, -6, -7, -7, -6, -6, -7, 0,0,0,0,0,0,0,0,
+ -9, -7, -7, -9, -9, -7, -7, -9, 0,0,0,0,0,0,0,0,
+ -12, -9, -9, -11, -11, -9, -9, -12, 0,0,0,0,0,0,0,0,
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0
+};
+
+//
+// "The first statement I can confirm is that doubled pawns are indeed
+// on average undesirable. However this statistic needs to be broken
+// down to be useful. Doubled pawns themselves are really more
+// serious than this generally, but when your pawns are doubled you
+// automatically get an extra half-open file for your rooks (or queen,
+// but the queen can also use diagonals). So it follows logically
+// that the net cost of doubled pawns is much greater in the absence
+// of major pieces. The database shows that with all rooks present,
+// doubled pawns "cost" only about 1/16th of a pawn on average. With
+// one rook each the cost rises to 1/4th of a pawn and with no rooks
+// present to 3/8ths of a pawn. With the queens present the cost is
+// again only 1/16th of a pawn; without them it's a quarter pawn. So
+// the lessons are clear; beware of doubled pawns when major pieces
+// have been exchanged, and beware of exchanging major pieces when you
+// are the one with the doubled pawns."
+// --Larry Kaufman, IM
+// "All About Doubled Pawns"
+//
+// Note: indexed by number of files with 1+ pawn on them.
+static SCORE DOUBLED_PAWN_PENALTY_BY_COUNT[4][9] =
+{ // ------------ count of doubled+ pawns ------------
+ {// 0 1 2 3 4 5 6 7 8 : no majors alive
+ +0, -32, -65, -99, -134, -170, -207, -222, -250
+ },
+ {// : 1 rook
+ +0, -23, -47, -76, -108, -144, -184, -200, -216
+ },
+ {// : 2 rooks or 1 queen
+ +0, -13, -23, -34, -46, -64, -86, -111, -138
+ },
+ {// : all majors alive
+ +0, -7, -13, -25, -39, -55, -73, -95, -121
+ },
+};
+
+static SCORE ISOLATED_PAWN_PENALTY_BY_COUNT[9] =
+{// 0 1 2 3 4 5 6 7 8
+ +0, -3, -7, -9, -16, -35, -50, -85, -100
+};
+
+static SCORE ISOLATED_PAWN_BY_PAWNFILE[9] =
+{
+ 0, -7, -8, -9, -10, -10, -9, -8, -7
+};
+
+static SCORE ISOLATED_EXPOSED_PAWN = -5;
+
+static SCORE ISOLATED_DOUBLED_PAWN = -11;
+
+//
+// Note: -25% to -33% if the enemy occupies or controls the next sq.
+//
+static SCORE PASSER_BY_RANK[2][9] =
+{// 0 1 2 3 4 5 6 7 8
+ { +0, +0,+162,+111, +62, +36, +18, +13, +0 }, // black
+ { +0, +0, +13, +18, +36, +62,+111,+162, +0 } // white
+};
+
+static SCORE CANDIDATE_PASSER_BY_RANK[2][9] =
+{// 0 1 2 3 4 5 6 7 8
+ { +0, +0, +0, +48, +34, +22, +13, +9, +0 }, // black
+ { +0, +0, +9, +13, +22, +34, +48, +0, +0 } // white
+};
+
+// Note: x2
+static SCORE CONNECTED_PASSERS_BY_RANK[2][9] =
+{// 0 1 2 3 4 5 6 7 8
+ { +0, +0, +96, +74, +48, +21, +10, +5, +0 }, // black
+ { +0, +0, +5, +10, +21, +48, +74, +96, +0 } // white
+};
+
+static SCORE SUPPORTED_PASSER_BY_RANK[2][9] =
+{// 0 1 2 3 4 5 6 7 8
+ { +0, +0, +60, +40, +13, +6, +3, +1, +0 }, // black
+ { +0, +0, +1, +3, +6, +13, +40, +60, +0 } // white
+};
+
+static SCORE OUTSIDE_PASSER_BY_DISTANCE[9] =
+{// 0 1 2 3 4 5 6 7 8
+ +0, +0, +7, +14, +21, +28, +34, +41, +55
+};
+
+static SCORE PASSER_BONUS_AS_MATERIAL_COMES_OFF[32] =
+{
+// none na na m na R 2m na
+ +60, -1, -1, +37, -1, +43, +19, -1,
+
+// Rm 3m/Q 2R R2m 4m/Qm 2Rm R3m/QR Q2m
+ +14, +9, +20, +4, +3, +3, 0, 0,
+
+// 2R2m R4m/QRm Q3m 2R3m/ QR2m Q4m 2R4m/ QR3m
+// Q2R Q2Rm
+ 0, 0, 0, 0, 0, 0, 0, 0,
+
+// na Q2R2m QR4m na Q2R3m na na full
+ 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+SCORE RACER_WINS_RACE = +800;
+
+static SCORE UNDEVELOPED_MINORS_IN_OPENING[5] =
+{// 0 1 2 3 4
+ 0, -6, -10, -16, -22
+};
+
+//
+// Bishop eval terms
+// ---------------------------------------------------------------------------
+//
+static SCORE BISHOP_OVER_KNIGHT_IN_ENDGAME = +33;
+
+//
+// "The bishop pair has an average value of half a pawn (more when the
+// opponent has no minor pieces to exchange for one of the bishops),
+// enough to regard it as part of the material evaluation of the
+// position, and enough to overwhelm most positional considerations.
+// Moreover, this substantial bishop pair value holds up in all
+// situations tested, regardless of what else is on the board...
+//
+// ...One rule which I often teach to students is that if you have the
+// bishop pair, and your opponent's single bishop is a bad bishop
+// (hemmed in by his own pawns), you already have full compensation
+// for a pawn... Kasparov has said something similar...
+//
+// As noted before, the bishop pair is worth more with fewer pawns on
+// the board. Aside from this factor, the half pawn value of the
+// bishop pair is remarkably constant, applying even when there are no
+// pieces on the board except two minors each."
+// --Larry Kaufman, IM
+// "Evaluation of Material Imbalance"
+static SCORE BISHOP_PAIR[2][17] =
+{
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { 53, 52, 51, 50, 49, 48, 47, 45, 43, 41, 40, 40, 40, 40, 40, 40, 40 }
+};
+
+static SCORE STATIONARY_PAWN_ON_BISHOP_COLOR[128] =
+{
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0,
+ -4, -6, -7, -7, -7, -7, -6, -4, 0,0,0,0,0,0,0,0,
+ -6, -7, -9, -8, -8, -9, -7, -6, 0,0,0,0,0,0,0,0,
+ -7, -8, -10, -11, -11, -10, -8, -7, 0,0,0,0,0,0,0,0,
+// -------------------------------------------------------------------
+ -7, -8, -10, -11, -11, -10, -8, -7, 0,0,0,0,0,0,0,0,
+ -6, -7, -9, -8, -8, -9, -7, -6, 0,0,0,0,0,0,0,0,
+ -4, -6, -7, -7, -7, -7, -6, -4, 0,0,0,0,0,0,0,0,
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0
+};
+
+static SCORE TRANSIENT_PAWN_ON_BISHOP_COLOR[128] =
+{
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0,
+ -1, -1, -2, -2, -2, -2, -1, -1, 0,0,0,0,0,0,0,0,
+ -3, -4, -4, -4, -4, -4, -4, -3, 0,0,0,0,0,0,0,0,
+ -4, -5, -7, -8, -8, -7, -5, -4, 0,0,0,0,0,0,0,0,
+// -------------------------------------------------------------------
+ -4, -5, -7, -8, -8, -7, -5, -4, 0,0,0,0,0,0,0,0,
+ -3, -4, -4, -4, -4, -4, -4, -3, 0,0,0,0,0,0,0,0,
+ -1, -1, -2, -2, -2, -2, -1, -1, 0,0,0,0,0,0,0,0,
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0
+};
+
+//
+// A bishop can move to between 0..13 squares.
+//
+static SCORE BISHOP_MOBILITY_BY_SQUARES[14] =
+{// 0 1 2 3 4 5 6 7 8 9 10 11 12 13
+ -22, -14, -10, -5, -1, 0, +1, +3, +4, +5, +6, +7, +8, +9
+};// ^ |
+
+static SCORE BISHOP_MAX_MOBILITY_IN_A_ROW_BONUS[8] =
+{// 0 1 2 3 4 5 6 7
+ -10, -4, +1, +3, +4, +5, +5, +5
+};
+
+static SCORE BISHOP_UNASSAILABLE_BY_DIST_FROM_EKING[9] =
+{// 0 1 2 3 4 5 6 7 8
+ +0, +33, +28, +18, +8, +4, +0, -10, -16
+};
+
+static SCORE BISHOP_IN_CLOSED_POSITION[33] =
+{// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 5, 4, 3, 2, 1, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+// 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
+};
+
+//
+// Knight eval terms
+// ---------------------------------------------------------------------------
+//
+static SCORE KNIGHT_CENTRALITY_BONUS[128] =
+{
+ -12, -8, -8, -8, -8, -8, -8, -12, 0,0,0,0,0,0,0,0,
+ -8, -2, -2, 0, 0, -2, -2, -8, 0,0,0,0,0,0,0,0,
+ -8, -2, +4, +5, +5, +4, -2, -8, 0,0,0,0,0,0,0,0,
+ -8, -2, +5, +8, +8, +5, -2, -8, 0,0,0,0,0,0,0,0,
+// -------------------------------------------------------------------
+ -8, -2, +5, +8, +8, +5, -2, -8, 0,0,0,0,0,0,0,0,
+ -8, -2, +4, +5, +5, +4, -2, -8, 0,0,0,0,0,0,0,0,
+ -8, -2, -2, 0, 0, -2, -2, -8, 0,0,0,0,0,0,0,0,
+ -12, -8, -8, -8, -8, -8, -8, -12, 0,0,0,0,0,0,0,0
+};
+
+static SCORE KNIGHT_KING_TROPISM_BONUS[9] =
+{// 0 1 2 3 4 5 6 7 8
+ 0, +15, +12, +9, +4, +0, +0, +0, +0
+};
+
+
+static SCORE KNIGHT_UNASSAILABLE_BY_DIST_FROM_EKING[9] =
+{// 0 1 2 3 4 5 6 7 8
+ +0, +25, +19, +14, +6, +0, +0, +0, +0
+};
+
+static SCORE KNIGHT_ON_INTERESTING_SQUARE_BY_RANK[2][9] =
+{// 0 1 2 3 4 5 6 7 8
+ { +0, +12, +11, +9, +6, +3, +0, +0, +0 }, // black
+ { +0, +0, +0, +0, +3, +6, +9, +11, +12 } // white
+};
+
+//
+// A knight can move to between 0..8 squares
+// -----------------------------------------
+// 0 = supported enemy pawn
+// 1 = unsupported enemy pawn, friend pawn, enemy B/N
+// enemy controlled empty sq.
+// 2 = enemy >B, friend controlled empty sq, no one controlled empty sq
+//
+// Total: 16 mobility max
+//
+static SCORE KNIGHT_MOBILITY_BY_COUNT[9] =
+{// 0 1 2 3 4 5 6 7 8
+ -17, -10, -6, 0, +3, +5, +7, +8, +8
+};// ^ |
+
+static SCORE KNIGHT_WITH_N_PAWNS_SUPPORTING[3] =
+{
+ +0, +4, +8
+};
+
+static SCORE KNIGHT_IN_CLOSED_POSITION[33] =
+{// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 9, 11,
+ 12, 13, 15, 17, 19, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 27
+// 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
+};
+
+//
+// Rook eval terms
+// ---------------------------------------------------------------------------
+//
+static SCORE ROOK_ON_FULL_OPEN_BY_DIST_FROM_EKING[8] =
+{// 0 1 2 3 4 5 6 7
+ +24, +22, +17, +14, +13, +13, +12, +12
+};
+
+static SCORE ROOK_ON_HALF_OPEN_WITH_ENEMY_BY_DIST_FROM_EKING[8] =
+{// 0 1 2 3 4 5 6 7
+ +12, +11, +9, +9, +8, +8, +8, +7
+};
+
+static SCORE ROOK_ON_HALF_OPEN_WITH_FRIEND_BY_DIST_FROM_EKING[8] =
+{// 0 1 2 3 4 5 6 7
+ +13, +12, +11, +11, +9, +9, +9, +8
+};
+
+static SCORE ROOK_BEHIND_PASSER_BY_PASSER_RANK[2][9] =
+{// 0 1 2 3 4 5 6 7 8
+ { +0, +0, +25, +17, +12, +6, +1, +0, +0 }, // black
+ { +0, +0, +0, +1, +6, +12, +17, +25, +0 } // white
+};
+
+static SCORE ROOK_LEADS_PASSER_BY_PASSER_RANK[2][9] =
+{// 0 1 2 3 4 5 6 7 8
+ { +0, +0, -22, -16, -13, -9, -5, -3, +0 }, // black
+ { +0, +0, -3, -5, -9, -13, -16, -22, +0 } // white
+};
+
+static SCORE KING_TRAPPING_ROOK = -40;
+
+static SCORE ROOK_TRAPPING_EKING = +22;
+
+static SCORE ROOK_VALUE_AS_PAWNS_COME_OFF[17] =
+{// 0 1 2 3 4 5 6 7 8
+ +55, +51, +44, +38, +33, +27, +22, +16, +7,
+ // 9 10 11 12 13 14 15 16
+ +1, -3, -6, -9, -12, -18, -22, -25
+};
+
+//
+// Note: these are multiplied by two (one per rook).
+//
+static SCORE ROOK_CONNECTED_VERT = +7; // x2
+static SCORE ROOK_CONNECTED_HORIZ = +4; // x2
+
+//
+// A rook can move to between 0..14 squares
+// ----------------------------------------
+// 0 = supported enemy P/N/B, friend piece
+// 1 = unsupported enemy piece, enemy controlled empty sq, enemy R
+// 2 = enemy >R, friend controlled empty sq, no one controlled empty sq
+//
+// Total: 28 mobility max
+//
+static SCORE ROOK_MOBILITY_BY_SQUARES[15] =
+{// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
+ -28, -24, -20, -14, -7, -2, +0, +4, +8, +12, +15, +17, +19, +21, +22
+};// ^ |
+
+static SCORE ROOK_MAX_MOBILITY_IN_A_ROW_BONUS[8] =
+{// 0 1 2 3 4 5 6 7
+ -15, -6, +0, +4, +8, +8, +8, +8
+};
+
+//
+// Queen eval terms
+// ---------------------------------------------------------------------------
+//
+
+
+//
+// A queen can move to between 0..27 squares
+// -----------------------------------------
+// 0 = supported enemy P/N/B/R, friend piece
+// 1 = unsupported enemy piece, enemy controlled empty sq, enemy Q
+// 2 = enemy K, no one controlled empty sq, friend controlled empty sq
+//
+// Total: 54 mobility max
+//
+static SCORE QUEEN_MOBILITY_BY_SQUARES[28] =
+{// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
+ -30, -26, -22, -17, -11, -8, -4, -2, -1, +2, +4, +7, +10, +12, +14,
+// |
+
+ //15 16 17 18 19 20 21 22 23 24 25 26 27
+ +15, +16, +17, +18, +19, +20, +20, +21, +21, +22, +22, +23, +23
+};
+
+static SCORE QUEEN_OUT_EARLY[5] =
+{// 0 1 2 3 4 : num unmoved minors
+ 0, -14, -22, -26, -33
+};
+
+//
+// In "Evaluation of Material Imbalance", IM Larry Kaufman makes the
+// point that queens are worth more then the standard nine "points".
+// Thus, this scale is biased upwards by about 0.15 pawn.
+//
+static SCORE QUEEN_KING_TROPISM[8] =
+{// 0 1 2 3 4 5 6 7
+ 0, +34, +28, +22, +19, +17, +16, +15
+};
+
+static SCORE QUEEN_ATTACKS_SQ_NEXT_TO_KING = 8; // x #sq_attacked
+
+//
+// King eval terms
+// ---------------------------------------------------------------------------
+//
+static ULONG KING_INITIAL_COUNTER_BY_LOCATION[2][128] =
+{
+ {
+ 1, 0, 0, 0, 1, 0, 0, 1, 0,0,0,0,0,0,0,0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 0,0,0,0,0,0,0,0,
+ 3, 3, 3, 3, 3, 3, 3, 3, 0,0,0,0,0,0,0,0,
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ // -------------------------------------------------------------------
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0
+ },
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ // -------------------------------------------------------------------
+ 4, 4, 4, 4, 4, 4, 4, 4, 0,0,0,0,0,0,0,0,
+ 3, 3, 3, 3, 3, 3, 3, 3, 0,0,0,0,0,0,0,0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 0,0,0,0,0,0,0,0,
+ 1, 0, 0, 0, 1, 0, 0, 1, 0,0,0,0,0,0,0,0
+ }
+};
+
+static SCORE KING_TO_CENTER[128] =
+{
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0,
+ +1, +3, +5, +7, +7, +5, +3, +1, 0,0,0,0,0,0,0,0,
+ +3, +5, +13, +15, +15, +13, +5, +3, 0,0,0,0,0,0,0,0,
+ +5, +7, +17, +23, +23, +17, +7, +5, 0,0,0,0,0,0,0,0,
+// ------------------------------------------------------------------
+ +5, +7, +17, +23, +23, +17, +7, +5, 0,0,0,0,0,0,0,0,
+ +3, +5, +13, +15, +15, +13, +5, +3, 0,0,0,0,0,0,0,0,
+ +1, +3, +5, +7, +7, +5, +3, +1, 0,0,0,0,0,0,0,0,
+ +0, +0, +0, +0, +0, +0, +0, +0, 0,0,0,0,0,0,0,0
+};
+
+//
+// If a side has less than this much material we don't bother scoring
+// the other side's king safety. Note: this doesn't incl pawn
+// material.
+//
+#define DO_KING_SAFETY_THRESHOLD \
+ (VALUE_ROOK + VALUE_BISHOP + VALUE_KING + 1)
+
+//
+// If a side has less than this much material the other side's king
+// can come out. Note: this doesn't incl pawn material.
+//
+#define KEEP_KING_AT_HOME_THRESHOLD \
+ (VALUE_ROOK + VALUE_ROOK + VALUE_BISHOP + VALUE_KING + 1)
+
+static ULONG KING_COUNTER_BY_ATTACK_PATTERN[32] =
+{
+//p 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
+//m 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
+//r 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
+//q 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
+//k 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
+ 0,0,2,2,1,1,3,3,1,1,3,3,2,2,4,4,2,2,3,3,2,2,4,4,2,2,4,4,3,4,5,5
+};
+
+static SCORE KING_SAFETY_BY_COUNTER[42] =
+{
+ -0, -4, -8, -12, -16, -20, -25, -31, -38, -50, -63, -76, -90,
+ -105,-120,-135,-150,-165,-180,-195,-210,-225,-240,-255,-270,-290,
+ -310,-330,-350,-370,-390,-410,-440,-470,-500,-500,-500,-500,-500,
+ -500,-500,-500
+};
+
+static SCORE KING_MISSING_ONE_CASTLE_OPTION = -23;
+typedef struct _DNA_BASE_SIZE {
+ SCORE *pBase;
+ ULONG uCount;
+} DNA_BASE_SIZE;
+
+#define DNA_VAR(x) {(SCORE *)&(x), 1}
+#define DNA_ARRAY(x) {(SCORE *)(x), ARRAY_LENGTH(x)}
+#define DNA_MATRIX(x) {(SCORE *)(x), ARRAY_LENGTH(x) * ARRAY_LENGTH((x)[0])}
+static DNA_BASE_SIZE g_EvalDNA[] = {
+ DNA_MATRIX(TRADE_PIECES),
+ DNA_MATRIX(DONT_TRADE_PAWNS),
+ DNA_ARRAY(REDUCED_MATERIAL_DOWN_SCALER),
+ DNA_ARRAY(REDUCED_MATERIAL_UP_SCALER),
+ DNA_ARRAY(PASSER_MATERIAL_UP_SCALER),
+ DNA_ARRAY(PAWN_CENTRALITY_BONUS),
+ DNA_ARRAY(BACKWARD_SHIELDED_BY_LOCATION),
+ DNA_ARRAY(BACKWARD_EXPOSED_BY_LOCATION),
+ DNA_MATRIX(DOUBLED_PAWN_PENALTY_BY_COUNT),
+ DNA_ARRAY(ISOLATED_PAWN_PENALTY_BY_COUNT),
+ DNA_ARRAY(ISOLATED_PAWN_BY_PAWNFILE),
+ DNA_VAR(ISOLATED_EXPOSED_PAWN),
+ DNA_VAR(ISOLATED_DOUBLED_PAWN),
+ DNA_MATRIX(PASSER_BY_RANK),
+ DNA_MATRIX(CANDIDATE_PASSER_BY_RANK),
+ DNA_MATRIX(CONNECTED_PASSERS_BY_RANK),
+ DNA_MATRIX(SUPPORTED_PASSER_BY_RANK),
+ DNA_ARRAY(OUTSIDE_PASSER_BY_DISTANCE),
+ DNA_ARRAY(PASSER_BONUS_AS_MATERIAL_COMES_OFF),
+ DNA_VAR(RACER_WINS_RACE),
+ DNA_ARRAY(UNDEVELOPED_MINORS_IN_OPENING),
+ DNA_VAR(BISHOP_OVER_KNIGHT_IN_ENDGAME),
+ DNA_MATRIX(BISHOP_PAIR),
+ DNA_ARRAY(STATIONARY_PAWN_ON_BISHOP_COLOR),
+ DNA_ARRAY(TRANSIENT_PAWN_ON_BISHOP_COLOR),
+ DNA_ARRAY(BISHOP_MOBILITY_BY_SQUARES),
+ DNA_ARRAY(BISHOP_MAX_MOBILITY_IN_A_ROW_BONUS),
+ DNA_ARRAY(BISHOP_UNASSAILABLE_BY_DIST_FROM_EKING),
+ DNA_ARRAY(BISHOP_IN_CLOSED_POSITION),
+ DNA_ARRAY(KNIGHT_CENTRALITY_BONUS),
+ DNA_ARRAY(KNIGHT_KING_TROPISM_BONUS),
+ DNA_ARRAY(KNIGHT_UNASSAILABLE_BY_DIST_FROM_EKING),
+ DNA_MATRIX(KNIGHT_ON_INTERESTING_SQUARE_BY_RANK),
+ DNA_ARRAY(KNIGHT_MOBILITY_BY_COUNT),
+ DNA_ARRAY(KNIGHT_WITH_N_PAWNS_SUPPORTING),
+ DNA_ARRAY(KNIGHT_IN_CLOSED_POSITION),
+ DNA_ARRAY(ROOK_ON_FULL_OPEN_BY_DIST_FROM_EKING),
+ DNA_ARRAY(ROOK_ON_HALF_OPEN_WITH_ENEMY_BY_DIST_FROM_EKING),
+ DNA_ARRAY(ROOK_ON_HALF_OPEN_WITH_FRIEND_BY_DIST_FROM_EKING),
+ DNA_MATRIX(ROOK_BEHIND_PASSER_BY_PASSER_RANK),
+ DNA_MATRIX(ROOK_LEADS_PASSER_BY_PASSER_RANK),
+ DNA_VAR(KING_TRAPPING_ROOK),
+ DNA_VAR(ROOK_TRAPPING_EKING),
+ DNA_ARRAY(ROOK_VALUE_AS_PAWNS_COME_OFF),
+ DNA_VAR(ROOK_CONNECTED_VERT),
+ DNA_VAR(ROOK_CONNECTED_HORIZ),
+ DNA_ARRAY(ROOK_MOBILITY_BY_SQUARES),
+ DNA_ARRAY(ROOK_MAX_MOBILITY_IN_A_ROW_BONUS),
+ DNA_ARRAY(QUEEN_MOBILITY_BY_SQUARES),
+ DNA_ARRAY(QUEEN_OUT_EARLY),
+ DNA_ARRAY(QUEEN_KING_TROPISM),
+ DNA_VAR(QUEEN_ATTACKS_SQ_NEXT_TO_KING),
+ DNA_MATRIX(KING_INITIAL_COUNTER_BY_LOCATION),
+ DNA_ARRAY(KING_TO_CENTER),
+ DNA_ARRAY(KING_SAFETY_BY_COUNTER),
+ DNA_VAR(KING_MISSING_ONE_CASTLE_OPTION)
+};
+
+ULONG
+DNABufferSizeBytes()
+{
+ ULONG u;
+ ULONG uSize = 0;
+ for (u = 0; u < ARRAY_LENGTH(g_EvalDNA); u++) {
+ uSize += 10 * g_EvalDNA[u].uCount;
+ }
+ return uSize + 1;
+}
+
+
+char *
+ExportEvalDNA()
+{
+ ULONG uSize = DNABufferSizeBytes();
+ char *p = malloc(uSize);
+ ULONG u, v;
+ SCORE *q;
+ FLAG fFirst = TRUE;
+
+ memset(p, 0, uSize);
+ for (u = 0; u < ARRAY_LENGTH(g_EvalDNA); u++) {
+ q = g_EvalDNA[u].pBase;
+ for (v = 0; v < g_EvalDNA[u].uCount; v++) {
+ if (!fFirst) {
+ sprintf(p, "%s,%d", p, *q);
+ } else {
+ sprintf(p, "%s%d", p, *q);
+ fFirst = FALSE;
+ }
+ q++;
+ }
+ strcat(p, "\n");
+ fFirst = TRUE;
+ }
+ return p; // caller must free
+}
+
+FLAG
+WriteEvalDNA(char *szFilename)
+{
+ FILE *p = NULL;
+ char *q = NULL;
+ FLAG fRet = FALSE;
+
+ if (SystemDoesFileExist(szFilename)) goto end;
+ p = fopen(szFilename, "a+b");
+ if (!p) goto end;
+ q = ExportEvalDNA();
+ if (!q) goto end;
+ fprintf(p, q);
+ fRet = TRUE;
+ end:
+ if (p) fclose(p);
+ if (q) free(q);
+ return fRet;
+}
+
+FLAG
+ImportEvalDNA(char *p)
+{
+ ULONG u, v;
+
+ for (u = 0; u < ARRAY_LENGTH(g_EvalDNA); u++) {
+ for (v = 0; v < g_EvalDNA[u].uCount; v++) {
+ while(*p && (!isdigit(*p) && (*p != '-'))) p++;
+ if (*p == '\0') return FALSE;
+ *(g_EvalDNA[u].pBase + v) = atoi(p);
+ while(*p && (isdigit(*p) || (*p == '-'))) p++;
+ }
+ }
+ return TRUE;
+}
+
+FLAG
+ReadEvalDNA(char *szFilename)
+{
+ FILE *p = NULL;
+ ULONG uSize = DNABufferSizeBytes();
+ char *q = malloc(uSize);
+ FLAG fRet = FALSE;
+ static char line[1024];
+ char *c;
+
+ if (!q) goto end;
+ memset(q, 0, uSize);
+ p = fopen(szFilename, "rb");
+ if (!p) {
+ Trace("Failed to open file \"%s\"\n", szFilename);
+ goto end;
+ }
+ while(fgets(line, 1024, p) != NULL) {
+ c = strchr(line, '#');
+ if (c) *c = '\0';
+ c = line;
+ strcat(q, c);
+ }
+ fRet = ImportEvalDNA(q);
+ end:
+ if (q) free(q);
+ if (p) fclose(p);
+ return fRet;
+}
+
+
+
+//
+// Misc stuff
+// ---------------------------------------------------------------------------
+//
+
+//
+// The three ranks "around" a rank (indexed by rank, used in eval.c)
+//
+BITBOARD BBADJACENT_RANKS[9] =
+{
+ 0,
+ BBRANK11 | BBRANK22,
+ BBRANK11 | BBRANK22 | BBRANK33,
+ BBRANK22 | BBRANK33 | BBRANK44,
+ BBRANK33 | BBRANK44 | BBRANK55,
+ BBRANK44 | BBRANK55 | BBRANK66,
+ BBRANK55 | BBRANK66 | BBRANK77,
+ BBRANK66 | BBRANK77 | BBRANK88,
+ BBRANK77 | BBRANK88
+};
+
+
+//
+// The files "around" one, indexed by file (used in eval.c)
+//
+BITBOARD BBADJACENT_FILES[8] =
+{
+ // A = 0
+ BBFILEB,
+
+ // B = 1
+ BBFILEA | BBFILEC,
+
+ // C = 2
+ BBFILEB | BBFILED,
+
+ // D = 3
+ BBFILEC | BBFILEE,
+
+ // E = 4
+ BBFILED | BBFILEF,
+
+ // F = 5
+ BBFILEE | BBFILEG,
+
+ // G = 6
+ BBFILEF | BBFILEH,
+
+ // H = 7
+ BBFILEG
+};
+
+//
+// The ranks preceeding one, indexed by rank/color of pawn (used in
+// eval.c)
+//
+BITBOARD BBPRECEEDING_RANKS[8][2] =
+{
+ // BLACK WHITE
+ // ----- -----
+ { // 0 == RANK8
+ BBRANK72, 0
+ },
+ { // 1 == RANK7
+ BBRANK62, 0
+ },
+ { // 2 == RANK6
+ BBRANK52, BBRANK77
+ },
+ { // 3 == RANK5
+ BBRANK42, BBRANK67
+ },
+ { // 4 == RANK4
+ BBRANK32, BBRANK57
+ },
+ { // 5 == RANK3
+ BBRANK22, BBRANK47
+ },
+ { // 6 == RANK2
+ 0, BBRANK37
+ },
+ { // 7 == RANK1
+ 0, BBRANK27
+ }
+};
+
+
+static FLAG
+_IsSquareSafeFromEnemyPawn(IN POSITION *pos,
+ IN COOR c,
+ IN BITBOARD bb)
+/**
+
+Routine description:
+
+ Determine if a piece in square c is "outposted". A piece is
+ outposted if no enemy pawns can advance to attack it / drive
+ it away.
+
+Parameters:
+
+ POSITION *pos : the board
+ COOR c : the square (must not be empty!)
+ BITBOARD bb : the bitboard of pawns you want to consider
+
+Return value:
+
+ FLAG : TRUE if the piece is safe/outposted, FALSE otherwise
+
+**/
+{
+ ULONG uColor = GET_COLOR(pos->rgSquare[c].pPiece);
+ ULONG uFile, uRank;
+#ifdef DEBUG
+ COOR cSquare;
+ PIECE p = pos->rgSquare[c].pPiece;
+ BITBOARD dbb = bb;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(p && (IS_BISHOP(p) || IS_KNIGHT(p) || IS_PAWN(p)));
+ ASSERT(IS_VALID_COLOR(uColor));
+#endif
+
+ uFile = FILE(c);
+ ASSERT(uFile < 8);
+ bb &= BBADJACENT_FILES[uFile];
+
+ ASSERT(((c & 0x70) >> 4) == (c >> 4));
+ uRank = c >> 4;
+ ASSERT(uRank < 8);
+ bb &= BBPRECEEDING_RANKS[uRank][uColor];
+
+#ifdef DEBUG
+ if (bb != 0)
+ {
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&dbb)))
+ {
+ ASSERT(pos->rgSquare[cSquare].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ if ((FILE(cSquare) == (FILE(c) - 1)) ||
+ (FILE(cSquare) == (FILE(c) + 1)))
+ {
+ switch(uColor)
+ {
+ case WHITE:
+ if (RANK(cSquare) > RANK(c))
+ {
+ return(FALSE);
+ }
+ break;
+ case BLACK:
+ if (RANK(cSquare) < RANK(c))
+ {
+ return(FALSE);
+ }
+ break;
+ }
+ }
+ }
+ ASSERT(FALSE);
+ }
+ else
+ {
+ ASSERT(bb == 0);
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&dbb)))
+ {
+ ASSERT(pos->rgSquare[cSquare].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ if ((FILE(cSquare) == (FILE(c) - 1)) ||
+ (FILE(cSquare) == (FILE(c) + 1)))
+ {
+ switch(uColor)
+ {
+ case WHITE:
+ if (RANK(cSquare) > RANK(c))
+ {
+ ASSERT(FALSE);
+ }
+ break;
+ case BLACK:
+ if (RANK(cSquare) < RANK(c))
+ {
+ ASSERT(FALSE);
+ }
+ break;
+ }
+ }
+ }
+ }
+#endif
+ return(bb == 0);
+}
+
+
+static ULONG
+_WhoControlsSquareFast(IN POSITION *pos,
+ IN COOR c)
+/**
+
+Routine description:
+
+ Determine which side controls a board square.
+
+Parameters:
+
+ POSITION *pos : the board
+ COOR c : the square in question
+
+Return value:
+
+ static ULONG : (ULONG)-1 if neither side controls it or the sides
+ control it evenly, WHITE if white controls the square, or BLACK if
+ black controls the square.
+
+ TODO: fix this to use counts / xrays
+
+**/
+{
+ ULONG uWhite = pos->rgSquare[c|8].bvAttacks[WHITE].uSmall |
+ pos->rgSquare[c|8].bvAttacks[WHITE].uXray;
+ ULONG uBlack = pos->rgSquare[c|8].bvAttacks[BLACK].uSmall |
+ pos->rgSquare[c|8].bvAttacks[BLACK].uXray;
+ ULONG u;
+ PIECE p;
+ CHAR ch;
+
+ ASSERT((c + 8) == (c | 8));
+ ASSERT((uWhite & 0xFFFFFF00) == 0);
+ ASSERT((uBlack & 0xFFFFFF00) == 0);
+
+ // TODO: keep these and update the table to use them
+ uWhite >>= 3;
+ uBlack >>= 3;
+
+ p = pos->rgSquare[c].pPiece;
+ // p -= 2;
+ ch = g_SwapTable[p][uWhite][uBlack];
+ if (ch != 0)
+ {
+ u = ch;
+ u >>= 7;
+ u = u & 1;
+ ASSERT(((u == 1) && (ch < 0)) ||
+ ((u == 0) && (ch > 0)));
+ return(FLIP(u));
+ }
+ return((ULONG)-1);
+}
+
+/**
+
+Routine description:
+
+ Zero out the attack table before building it.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ void
+
+**/
+#define CLEAR_A_SQ \
+ pos->rgSquare[c].bvAttacks[0].uWholeThing = 0; \
+ pos->rgSquare[c].bvAttacks[1].uWholeThing = 0;
+
+#define CLEAR_A_RANK \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c += 9;
+
+#define CLEAR_SHORT_RANK \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c++; \
+ CLEAR_A_SQ; c += 10;
+
+static void
+_ClearAttackTables(IN OUT POSITION *pos)
+{
+ register COOR c = 8;
+#if 1
+ CLEAR_A_SQ; c += 16;
+ CLEAR_A_SQ; c += 16;
+ CLEAR_A_SQ; c += 16;
+ CLEAR_A_SQ; c += 16;
+ CLEAR_A_SQ; c += 16;
+ CLEAR_A_SQ; c += 16;
+ CLEAR_A_SQ; c += 16;
+ CLEAR_A_SQ; c = 9;
+ CLEAR_SHORT_RANK;
+ CLEAR_SHORT_RANK;
+ CLEAR_SHORT_RANK;
+ CLEAR_SHORT_RANK;
+ CLEAR_SHORT_RANK;
+ CLEAR_SHORT_RANK;
+ CLEAR_SHORT_RANK;
+ CLEAR_SHORT_RANK;
+#else
+ CLEAR_A_RANK;
+ CLEAR_A_RANK;
+ CLEAR_A_RANK;
+ CLEAR_A_RANK;
+ CLEAR_A_RANK;
+ CLEAR_A_RANK;
+ CLEAR_A_RANK;
+ CLEAR_A_RANK;
+#endif
+}
+
+
+static INLINE void
+_InitializePawnHashEntry(IN OUT PAWN_HASH_ENTRY *pHash,
+ IN POSITION *pos)
+/**
+
+Routine description:
+
+Parameters:
+
+ PAWN_HASH_ENTRY *pHash,
+ POSITION *pos
+
+Return value:
+
+ static INLINE void
+
+**/
+{
+ memset(pHash, 0, sizeof(PAWN_HASH_ENTRY));
+ pHash->u64Key = pos->u64PawnSig;
+}
+
+
+static INLINE void
+_EvaluateCandidatePasser(IN POSITION *pos,
+ IN OUT PAWN_HASH_ENTRY *pHash,
+ IN COOR c)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ PAWN_HASH_ENTRY *pHash,
+ COOR c
+
+Return value:
+
+ static INLINE
+
+**/
+{
+ COOR c1, cSquare;
+ PIECE pSentry, pHelper;
+ ULONG uPawnFile = FILE(c) + 1;
+ BITBOARD bb;
+ ULONG uSentries, uHelpers;
+ ULONG uColor;
+ int d1;
+#ifdef DEBUG
+ COOR cVerifySquare;
+ ULONG uVerifySentries;
+#endif
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(RANK(c) >= 2);
+ ASSERT(RANK(c) <= 7);
+ pHelper = pos->rgSquare[c].pPiece;
+ ASSERT(IS_PAWN(pHelper));
+ uColor = GET_COLOR(pHelper);
+ ASSERT(IS_VALID_COLOR(uColor));
+
+ if (pHash->uCountPerFile[FLIP(uColor)][uPawnFile] != 0)
+ {
+ ASSERT((pHash->bbPawnLocations[FLIP(uColor)] & BBFILE[FILE(c)]) != 0);
+
+ //
+ // The only way a pawn can be a passer/candidate if the other
+ // side has a pawn on its same file is if that enemy pawn is
+ // behind it. This is a corner case but it is important to
+ // detect all passers.
+ //
+ switch(uColor)
+ {
+ case WHITE:
+ bb = pHash->bbPawnLocations[BLACK] & BBFILE[FILE(c)];
+ ASSERT(bb);
+ while(IS_ON_BOARD(c1 = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ ASSERT(FILE(c1) == FILE(c));
+ if (c1 < c) return;
+ }
+ break;
+ case BLACK:
+ bb = pHash->bbPawnLocations[WHITE] & BBFILE[FILE(c)];
+ ASSERT(bb);
+ while(IS_ON_BOARD(c1 = CoorFromBitBoardRank1ToRank8(&bb)))
+ {
+ ASSERT(FILE(c1) == FILE(c));
+ if (c1 > c) return;
+ }
+ break;
+ }
+ }
+
+ //
+ // Count FLIP(uColor)'s sentries and determine the location of the
+ // critical square. Note if there are no sentries then this
+ // pawn (on square c) is a passer already, not a candidate.
+ //
+ bb = pHash->bbPawnLocations[FLIP(uColor)] & BBADJACENT_FILES[FILE(c)];
+ bb &= BBPRECEEDING_RANKS[(c & 0x70) >> 4][uColor];
+ if (!bb)
+ {
+ ASSERT(CountBits(bb) == 0);
+
+ //
+ // There are no sentries so this pawn is a passer.
+ //
+ pHash->bbPasserLocations[uColor] |= COOR_TO_BB(c);
+ ASSERT(CountBits(pHash->bbPasserLocations[uColor]) > 0);
+ ASSERT(CountBits(pHash->bbPasserLocations[uColor]) <= 8);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ PASSER_BY_RANK[uColor][RANK(c)],
+ "passed pawn");
+
+ //
+ // However, don't give doubled passers such a big bonus.
+ //
+ if (IS_PAWN(pos->rgSquare[c - 16 * g_iAhead[uColor]].pPiece))
+ {
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ -(PASSER_BY_RANK[uColor][RANK(c)] / 2),
+ "doubled passer");
+ }
+ return;
+ }
+ uSentries = CountBits(bb);
+
+ //
+ // There's one or more sentry pawns so we'll look for helpers to
+ // decide if this pawn is a candidate passer.
+ //
+ if (uColor == WHITE)
+ {
+ pSentry = BLACK_PAWN;
+ cSquare = CoorFromBitBoardRank1ToRank8(&bb);
+ cSquare += 0x10;
+ }
+ else
+ {
+ pSentry = WHITE_PAWN;
+ cSquare = CoorFromBitBoardRank8ToRank1(&bb);
+ cSquare -= 0x10;
+ }
+ cSquare &= 0xF0;
+ cSquare |= FILE(c);
+ ASSERT(IS_ON_BOARD(cSquare));
+ ASSERT(FILE(cSquare) == FILE(c));
+
+#ifdef DEBUG
+ uVerifySentries = 0;
+ cVerifySquare = 0;
+ d1 = 16 * g_iAhead[uColor];
+ c1 = c + d1;
+ do
+ {
+ if (IS_ON_BOARD(c1 - 1))
+ {
+ if (pos->rgSquare[c1 - 1].pPiece == pSentry)
+ {
+ uVerifySentries++;
+ if (0 == cVerifySquare)
+ {
+ cVerifySquare = c1 - d1;
+ ASSERT(cVerifySquare == cSquare);
+ }
+ }
+ }
+ if (IS_ON_BOARD(c1 + 1))
+ {
+ if (pos->rgSquare[c1 + 1].pPiece == pSentry)
+ {
+ uVerifySentries++;
+ if (0 == cVerifySquare)
+ {
+ cVerifySquare = c1 - d1;
+ ASSERT(cVerifySquare == cSquare);
+ }
+ }
+ }
+ c1 = c1 + d1;
+ }
+ while(!RANK8(c1) && !RANK1(c1));
+ ASSERT(uVerifySentries == uSentries);
+#endif
+
+ //
+ // Note: we don't do this with bitboards because we want to not
+ // consider a pawn to be a potential passer if it can't safely
+ // advance to get into helper position.
+ //
+ // IDEA: scale the candidate passer bonus based on rank AND on
+ // the distance the helper(s) have to go to get into position.
+ //
+ uHelpers = 0;
+ d1 = 16 * g_iAhead[uColor];
+ ASSERT(-d1 == 16 * g_iBehind[uColor]);
+ c1 = cSquare + 1 - d1;
+ if ((IS_ON_BOARD(c1)) && (pHash->uCountPerFile[uColor][FILE(c1) + 1]))
+ {
+ ASSERT(pHash->bbPawnLocations[uColor] & BBFILE[FILE(c1)]);
+ if (!(pos->rgSquare[c1 + 8].bvAttacks[FLIP(uColor)].uWholeThing) ||
+ (pos->rgSquare[c1 + 8].bvAttacks[uColor].uWholeThing))
+ {
+ //
+ // The square c1 the place a helper pawn must get to in
+ // order to aide the candidate past a sentry.
+ //
+ if (pos->rgSquare[c1].pPiece == pHelper)
+ {
+ uHelpers = 1;
+ goto do_left;
+ }
+
+ //
+ // There is no helper pawn in the support position yet.
+ // See if one can get there.
+ //
+ c1 = c1 - d1;
+ while (IS_ON_BOARD(c1) &&
+ ((!(pos->rgSquare[c1+8].bvAttacks[FLIP(uColor)].uWholeThing)) ||
+ (pos->rgSquare[c1+8].bvAttacks[uColor].uWholeThing)))
+ {
+ if (pos->rgSquare[c1].pPiece == pHelper)
+ {
+ uHelpers = 1;
+ break;
+ }
+ else if (pos->rgSquare[c1].pPiece == pSentry)
+ {
+ break;
+ }
+ c1 = c1 - d1;
+ }
+ }
+ }
+
+ do_left:
+ c1 = cSquare - 1 - d1;
+ if ((IS_ON_BOARD(c1)) && (pHash->uCountPerFile[uColor][FILE(c1) + 1]))
+ {
+ ASSERT(pHash->bbPawnLocations[uColor] & BBFILE[FILE(c1)]);
+
+ if (!(pos->rgSquare[c1 + 8].bvAttacks[FLIP(uColor)].uWholeThing) ||
+ (pos->rgSquare[c1 + 8].bvAttacks[uColor].uWholeThing))
+ {
+ //
+ // The square c1 is the place a helper pawn must get to in
+ // order to aide the candidate.
+ //
+ if (pos->rgSquare[c1].pPiece == pHelper)
+ {
+ uHelpers++;
+ goto done_helpers;
+ }
+
+ //
+ // There is no pawn in the left support position yet. See
+ // if one can get there.
+ //
+ c1 -= d1;
+ while (IS_ON_BOARD(c1) &&
+ ((!(pos->rgSquare[c1+8].bvAttacks[FLIP(uColor)].uWholeThing)) ||
+ (pos->rgSquare[c1 + 8].bvAttacks[uColor].uWholeThing)))
+ {
+ if (pos->rgSquare[c1].pPiece == pHelper)
+ {
+ uHelpers++;
+ break;
+ }
+ else if (pos->rgSquare[c1].pPiece == pSentry)
+ {
+ break;
+ }
+ c1 -= d1;
+ }
+ }
+ }
+
+ done_helpers:
+ if ((uHelpers >= uSentries) ||
+ ((pHash->uCountPerFile[uColor][uPawnFile + 1] +
+ pHash->uCountPerFile[uColor][uPawnFile - 1]) &&
+ (((WHITE == uColor) && (RANK(c) > 5)) ||
+ ((BLACK == uColor) && (RANK(c) < 4)))))
+ {
+ ASSERT(CANDIDATE_PASSER_BY_RANK[uColor][RANK(c)] > 0);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ CANDIDATE_PASSER_BY_RANK[uColor][RANK(c)],
+ "candidate passer");
+
+ //
+ // If the other side has no pieces then give this candidate an
+ // extra bonus.
+ //
+ if (pos->uNonPawnCount[FLIP(uColor)][0] == 1)
+ {
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ CANDIDATE_PASSER_BY_RANK[uColor][RANK(c)],
+ "candidate passer in endgame");
+ }
+ }
+}
+
+static void
+_EvaluateConnectedSupportedOutsidePassers(IN POSITION *pos,
+ IN OUT PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ PAWN_HASH_ENTRY *pHash
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uColor;
+ ULONG u, v;
+ COOR c;
+ COOR cLeftmostPasser, cRightmostPasser;
+ PIECE pFriend;
+ COOR cSupport;
+ BITBOARD bb;
+ static const INT iDelta[5] =
+ {
+ -1, +1, +17, +15, 0
+ };
+
+ FOREACH_COLOR(uColor)
+ {
+ ASSERT(IS_VALID_COLOR(uColor));
+
+ if (pHash->bbPasserLocations[uColor])
+ {
+ ASSERT(pos->uPawnCount[uColor] > 0);
+ pFriend = BLACK_PAWN | uColor;
+ cLeftmostPasser = cRightmostPasser = ILLEGAL_COOR;
+ for (u = A; u <= H; u++)
+ {
+ bb = pHash->bbPasserLocations[uColor] & BBFILE[u];
+ if (bb != 0)
+ {
+ ASSERT(pHash->uCountPerFile[uColor][u+1] != 0);
+ while(IS_ON_BOARD(c = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ //
+ // Keep track of leftmost/rightmost passer for
+ // outside passer code later on.
+ //
+ ASSERT(FILE(c) == u);
+ ASSERT(RANK(c) > 1);
+ ASSERT(RANK(c) < 8);
+ if (cLeftmostPasser == ILLEGAL_COOR)
+ {
+ cLeftmostPasser = c;
+ }
+ cRightmostPasser = c;
+
+ v = 0;
+ while(iDelta[v] != 0)
+ {
+ cSupport = c + iDelta[v] * g_iBehind[uColor];
+ if (IS_ON_BOARD(cSupport))
+ {
+ if (pHash->bbPasserLocations[uColor] &
+ COOR_TO_BB(cSupport))
+ {
+ ASSERT(CONNECTED_PASSERS_BY_RANK[uColor]
+ [RANK(c)] > 0);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ CONNECTED_PASSERS_BY_RANK[uColor]
+ [RANK(c)],
+ "connected passers");
+
+ //
+ // TODO: connected passers vs a R is
+ // strong.
+ //
+ }
+ else if (pos->rgSquare[cSupport].pPiece ==
+ pFriend)
+ {
+ ASSERT(SUPPORTED_PASSER_BY_RANK[uColor]
+ [RANK(c)] > 0);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ SUPPORTED_PASSER_BY_RANK[uColor]
+ [RANK(c)],
+ "supported passer");
+ }
+ }
+ v++;
+ }
+ }
+ }
+ }
+
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(cLeftmostPasser));
+ ASSERT(IS_ON_BOARD(cRightmostPasser));
+ ASSERT(RANK(cLeftmostPasser) > 1);
+ ASSERT(RANK(cRightmostPasser) > 1);
+ ASSERT(RANK(cLeftmostPasser) < 8);
+ ASSERT(RANK(cRightmostPasser) < 8);
+ if (CountBits(pHash->bbPasserLocations[uColor]) == 1)
+ {
+ ASSERT(cLeftmostPasser == cRightmostPasser);
+ }
+#endif
+ for (u = A; u <= D; u++)
+ {
+ if (pHash->uCountPerFile[FLIP(uColor)][u + 1] != 0)
+ {
+ ASSERT(pHash->bbPawnLocations[FLIP(uColor)] & BBFILE[u]);
+ if (!(pHash->bbPasserLocations[FLIP(uColor)] & BBFILE[u]))
+ {
+ break;
+ }
+ }
+ }
+ if (u > FILE(cLeftmostPasser))
+ {
+ EVAL_TERM(uColor,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[uColor],
+ OUTSIDE_PASSER_BY_DISTANCE[u-FILE(cLeftmostPasser)],
+ "left outside passer");
+ }
+
+ for (u = H; u >= E; u--)
+ {
+ if (pHash->uCountPerFile[FLIP(uColor)][u + 1] != 0)
+ {
+ ASSERT(pHash->bbPawnLocations[FLIP(uColor)] & BBFILE[u]);
+ if (!(pHash->bbPasserLocations[FLIP(uColor)] & BBFILE[u]))
+ {
+ break;
+ }
+ }
+ }
+ if (u < FILE(cRightmostPasser))
+ {
+ EVAL_TERM(uColor,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[uColor],
+ OUTSIDE_PASSER_BY_DISTANCE[FILE(cRightmostPasser)-u],
+ "right outside passer");
+ }
+ }
+ }
+}
+
+
+#define PAWN_ATTACK_BLACK_DELTA (+15)
+#define PAWN_ATTACK_WHITE_DELTA (-17)
+
+static void
+_PopulatePawnAttackBits(IN OUT POSITION *pos)
+/**
+
+Routine description:
+
+ Populate the attack table with pawn bits.
+
+Parameters:
+
+ POSITION *pos : the board
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ COOR c;
+ COOR cAttack;
+
+ //
+ // IDEA: combine clearing and initial population somehow?
+ //
+ // r - - - - - - l : only check L- and R-
+ // r - - - - - - l
+ // R A A A A A A L
+ // R A A A A A A L
+ // R A A A A A A L
+ // R A A A A A A L
+ // r - - - - - - l
+ // r - - - - - - l : only check L+ and R+
+ _ClearAttackTables(pos);
+
+ ASSERT(pos->uPawnCount[BLACK] <= 8);
+ for (u = 0;
+ u < pos->uPawnCount[BLACK];
+ u++)
+ {
+ c = pos->cPawns[BLACK][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(pos->rgSquare[c].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[c].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[c].pPiece) == BLACK);
+
+ //
+ // IDEA: These IS_ON_BOARD checks can be removed by a lookup table.
+ //
+ cAttack = c + PAWN_ATTACK_BLACK_DELTA;
+ if (IS_ON_BOARD(cAttack))
+ {
+ ASSERT((cAttack + 8) == (cAttack|8));
+ ASSERT(!IS_ON_BOARD(cAttack|8));
+ pos->rgSquare[cAttack|8].bvAttacks[BLACK].small.uPawn = 1;
+ }
+ cAttack += 2;
+ if (IS_ON_BOARD(cAttack))
+ {
+ ASSERT((cAttack + 8) == (cAttack|8));
+ cAttack |= 8;
+ ASSERT(!IS_ON_BOARD(cAttack));
+ pos->rgSquare[cAttack].bvAttacks[BLACK].small.uPawn = 1;
+ }
+ }
+
+ ASSERT(pos->uPawnCount[WHITE] <= 8);
+ for (u = 0;
+ u < pos->uPawnCount[WHITE];
+ u++)
+ {
+ c = pos->cPawns[WHITE][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(pos->rgSquare[c].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[c].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[c].pPiece) == WHITE);
+
+ cAttack = c + PAWN_ATTACK_WHITE_DELTA;
+ if (IS_ON_BOARD(cAttack))
+ {
+ ASSERT((cAttack + 8) == (cAttack|8));
+ ASSERT(!IS_ON_BOARD(cAttack|8));
+ pos->rgSquare[cAttack|8].bvAttacks[WHITE].small.uPawn = 1;
+ }
+ cAttack += 2;
+ if (IS_ON_BOARD(cAttack))
+ {
+ ASSERT((cAttack + 8) == (cAttack|8));
+ cAttack |= 8;
+ ASSERT(!IS_ON_BOARD(cAttack));
+ pos->rgSquare[cAttack].bvAttacks[WHITE].small.uPawn = 1;
+ }
+ }
+}
+
+
+static PAWN_HASH_ENTRY *
+_EvalPawns(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ OUT FLAG *pfDeferred)
+/**
+
+Routine description:
+
+ Evaluate pawn structures; return a ptr to a pawn hash entry.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : the searcher thread context
+
+Return value:
+
+ PAWN_HASH_ENTRY *
+
+**/
+{
+ static ULONG uUnmovedRank[2] = { 0x10, 0x60 };
+ POSITION *pos = &ctx->sPosition;
+ PAWN_HASH_ENTRY *pHash;
+ COOR c, cSquare;
+ PIECE p;
+ ULONG uIsolated[2];
+ ULONG uDoubled[2];
+ SCORE iDuos[2];
+ ULONG u, uPawnFile;
+ ULONG uColor;
+ ULONG uUnsupportable;
+ BITBOARD bb;
+ int d1;
+#ifdef DEBUG
+ SCORE t;
+#endif
+
+ //
+ // Now, look up the hash entry for this position.
+ //
+ INC(ctx->sCounters.pawnhash.u64Probes);
+ pHash = PawnHashLookup(ctx);
+ ASSERT(NULL != pHash);
+ if (pHash->u64Key == pos->u64PawnSig)
+ {
+ *pfDeferred = TRUE;
+ INC(ctx->sCounters.pawnhash.u64Hits);
+ return(pHash);
+ }
+
+ //
+ // We need the attack table to evaluate the pawns... and we missed
+ // the hash table so we have to populate it now. Can't defer this
+ // one. :(
+ //
+ *pfDeferred = FALSE;
+ _InitializePawnHashEntry(pHash, pos);
+ _PopulatePawnAttackBits(pos);
+ uIsolated[BLACK] = uIsolated[WHITE] = 0;
+ uDoubled[BLACK] = uDoubled[WHITE] = 0;
+ iDuos[BLACK] = iDuos[WHITE] = 0;
+
+ //
+ // First pass
+ //
+ FOREACH_COLOR(uColor)
+ {
+ ASSERT(IS_VALID_COLOR(uColor));
+ ASSERT(pos->uPawnCount[uColor] <= 8);
+
+ d1 = 16 * g_iAhead[uColor];
+ for (u = 0;
+ u < pos->uPawnCount[uColor];
+ u++)
+ {
+ c = pos->cPawns[uColor][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(pos->rgSquare[c].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[c].pPiece));
+ uPawnFile = FILE(c) + 1;
+ ASSERT((1 <= uPawnFile) && (uPawnFile <= 8));
+
+ //
+ // Update files counter
+ //
+ ASSERT(pHash->uCountPerFile[uColor][uPawnFile] < 6);
+ pHash->uCountPerFile[uColor][uPawnFile]++;
+
+ //
+ // Update bitboard bit
+ //
+ ASSERT(CountBits(pHash->bbPawnLocations[uColor] &
+ BBFILE[uPawnFile-1]) < 6);
+ ASSERT((pHash->bbPawnLocations[uColor] & COOR_TO_BB(c)) == 0);
+ pHash->bbPawnLocations[uColor] |= COOR_TO_BB(c);
+ ASSERT(CountBits(pHash->bbPawnLocations[uColor] &
+ BBFILE[uPawnFile-1]) ==
+ pHash->uCountPerFile[uColor][uPawnFile]);
+
+ //
+ // Count unmoved pawns
+ //
+ pHash->uNumUnmovedPawns[uColor] +=
+ ((c & 0xF0) == uUnmovedRank[uColor]);
+ ASSERT(pHash->uNumUnmovedPawns[uColor] <= 8);
+
+ //
+ // Detect rammed and other stationary pawns.
+ //
+ cSquare = c + d1;
+ ASSERT(IS_ON_BOARD(cSquare));
+ p = pos->rgSquare[cSquare].pPiece;
+ if (IS_PAWN(p))
+ {
+ pHash->bbStationaryPawns[uColor] |= COOR_TO_BB(c);
+ ASSERT(CountBits(pHash->bbStationaryPawns[uColor]) <= 8);
+ pHash->uNumRammedPawns += OPPOSITE_COLORS(p, uColor);
+ ASSERT(pHash->uNumRammedPawns <= 16);
+ }
+
+ //
+ // Give central pawns a small bonus; penalize rook pawns:
+ //
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ PAWN_CENTRALITY_BONUS[c],
+ "centrality");
+ }
+ }
+
+ //
+ // We counted rammed pawns twice (once for the black pawn and once
+ // for the white one). Fix this now.
+ //
+ ASSERT(!(pHash->uNumRammedPawns & 1));
+ pHash->uNumRammedPawns /= 2;
+
+ //
+ // Second pass
+ //
+ FOREACH_COLOR(uColor)
+ {
+ ASSERT(IS_VALID_COLOR(uColor));
+ ASSERT(pos->uPawnCount[uColor] <= 8);
+ ASSERT(CountBits(pHash->bbPawnLocations[uColor]) <= 8);
+
+ d1 = 16 * g_iAhead[uColor];
+ for (u = 0;
+ u < pos->uPawnCount[uColor];
+ u++)
+ {
+ c = pos->cPawns[uColor][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_PAWN(pos->rgSquare[c].pPiece));
+ ASSERT((1 < RANK(c)) && (RANK(c) < 8));
+
+ //
+ // Find weak pawns... pawns that are isolated are weak as
+ // are pawns that have advanced beyond their support.
+ // Both of these can tie up one or more pieces in order to
+ // defend them.
+ //
+ uUnsupportable = 0;
+ uPawnFile = FILE(c) - 1;
+ if (pHash->uCountPerFile[uColor][uPawnFile + 1] > 0)
+ {
+ bb = (pHash->bbPawnLocations[uColor] &
+ BBFILE[uPawnFile] &
+ BBADJACENT_RANKS[RANK(c)]);
+ if (!bb)
+ {
+ bb = (pHash->bbPawnLocations[FLIP(uColor)] &
+ BBFILE[uPawnFile]);
+ while(IS_ON_BOARD(cSquare =
+ CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ if (uColor == WHITE)
+ {
+ if ((cSquare & 0xF0) >= (c & 0xF0))
+ {
+ ASSERT(RANK(cSquare) <= RANK(c));
+ uUnsupportable = 1;
+ break;
+ }
+ }
+ else
+ {
+ ASSERT(uColor == BLACK);
+ if ((cSquare & 0xF0) <= (c & 0xF0))
+ {
+ ASSERT(RANK(cSquare) >= RANK(c));
+ uUnsupportable = 1;
+ break;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ uUnsupportable = 1; // no friend pawn on that file
+ }
+ if (0 == uUnsupportable)
+ {
+ goto fast_skip;
+ }
+ ASSERT(1 == uUnsupportable);
+
+ uPawnFile = FILE(c) + 1;
+ if (pHash->uCountPerFile[uColor][uPawnFile + 1] > 0)
+ {
+ bb = (pHash->bbPawnLocations[uColor] &
+ BBFILE[uPawnFile] &
+ BBADJACENT_RANKS[RANK(c)]);
+ if (!bb)
+ {
+ bb = (pHash->bbPawnLocations[FLIP(uColor)] &
+ BBFILE[uPawnFile]);
+ while(IS_ON_BOARD(cSquare =
+ CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ if (uColor == WHITE)
+ {
+ if ((cSquare & 0xF0) >= (c & 0xF0))
+ {
+ ASSERT(RANK(cSquare) <= RANK(c));
+ uUnsupportable = 2;
+ break;
+ }
+ }
+ else
+ {
+ ASSERT(uColor == BLACK);
+ if ((cSquare & 0xF0) <= (c & 0xF0))
+ {
+ ASSERT(RANK(cSquare) >= RANK(c));
+ uUnsupportable = 2;
+ break;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ uUnsupportable = 2;
+ }
+
+ //
+ // If this pawn is not supportable from either side then
+ // it is either isolated or has been pushed too far ahead
+ // of its support. Either way it's a target -- penalize
+ // it.
+ //
+ if (2 == uUnsupportable)
+ {
+ uPawnFile = FILE(c) + 1;
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ ISOLATED_PAWN_BY_PAWNFILE[uPawnFile],
+ "target/isolated pawn");
+
+ //
+ // Isolated + exposed? Extra penalty.
+ //
+ ASSERT(ISOLATED_EXPOSED_PAWN < 0);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ ((pHash->uCountPerFile[FLIP(uColor)][uPawnFile]==0)*
+ ISOLATED_EXPOSED_PAWN),
+ "exposed target");
+
+ //
+ // Exponential penalty term
+ //
+ uIsolated[uColor] += 1;
+ ASSERT(uIsolated[uColor] > 0);
+ ASSERT(uIsolated[uColor] <= 8);
+
+ //
+ // Isolated + doubled? Extra penalty.
+ //
+ ASSERT(ISOLATED_DOUBLED_PAWN < 0);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ ((pHash->uCountPerFile[uColor][uPawnFile] > 1) *
+ ISOLATED_DOUBLED_PAWN),
+ "doubled + target");
+ }
+
+ fast_skip:
+ uPawnFile = FILE(c) + 1;
+ ASSERT((1 <= uPawnFile) && (uPawnFile <= 8));
+ ASSERT(CountBits(pHash->bbPawnLocations[uColor] & BBFILE[FILE(c)])
+ == pHash->uCountPerFile[uColor][uPawnFile]);
+
+ //
+ // Keep count of doubled pawns
+ //
+ uDoubled[uColor] += (pHash->uCountPerFile[uColor][uPawnFile] > 1);
+ ASSERT((0 <= uDoubled[uColor]) && (uDoubled[uColor] <= 8));
+
+ //
+ // We can detect pawn duos (triads, etc...) and backward pawns
+ // by considering the control of the pawn's stopsquare.
+ //
+ cSquare = c + d1;
+ ASSERT(IS_ON_BOARD(cSquare));
+ ASSERT((cSquare + 8) == (cSquare | 8));
+ if (pos->rgSquare[cSquare|8].bvAttacks[uColor].uWholeThing)
+ {
+ //
+ // Count pawn duos. See "Pawn Power in Chess" pp 10-16
+ //
+#ifdef DEBUG
+ t = ((uColor * RANK(cSquare)) +
+ (FLIP(uColor) * (9 - RANK(cSquare))));
+ if (uColor == WHITE)
+ {
+ ASSERT(t == RANK(cSquare));
+ }
+ else
+ {
+ ASSERT(uColor == BLACK);
+ ASSERT(t == (9 - RANK(cSquare)));
+ }
+#endif
+ iDuos[uColor] += ((uColor * RANK(cSquare)) +
+ (FLIP(uColor) * (9 - RANK(cSquare))));
+ ASSERT(iDuos[uColor] <= (7 * 8));
+ }
+ else if (pos->rgSquare[cSquare|8].bvAttacks[FLIP(uColor)].uWholeThing)
+ {
+ //
+ // Detect backwards pawns. See "Pawn Power in Chess" pp 25-27
+ //
+ if (!IS_PAWN(pos->rgSquare[cSquare].pPiece))
+ {
+ p = (BLACK_PAWN | uColor);
+ if (((WHITE == uColor) && (RANK(c) < 4)) ||
+ ((BLACK == uColor) && (RANK(c) > 5)))
+ {
+ if ((IS_ON_BOARD(cSquare - 1) &&
+ pos->rgSquare[cSquare - 1].pPiece == p) ||
+ (IS_ON_BOARD(cSquare + 1) &&
+ pos->rgSquare[cSquare + 1].pPiece == p))
+ {
+ //
+ // The pawn at c is backward. Determine
+ // whether it is shielded or exposed.
+ //
+ pHash->bbStationaryPawns[uColor] |= COOR_TO_BB(c);
+ ASSERT(CountBits(pHash->bbStationaryPawns[uColor])
+ <= 8);
+ if (pHash->uCountPerFile[FLIP(uColor)][uPawnFile])
+ {
+ ASSERT(BACKWARD_SHIELDED_BY_LOCATION[c] < 0);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ BACKWARD_SHIELDED_BY_LOCATION[c],
+ "shielded backward pawn");
+ }
+ else
+ {
+ ASSERT(BACKWARD_EXPOSED_BY_LOCATION[c] < 0);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pHash->iScore[uColor],
+ BACKWARD_EXPOSED_BY_LOCATION[c],
+ "exposed backward pawn");
+ }
+ }
+ }
+ }
+ //
+ // TODO: Think about backward doubled pawns; read Kauffman's
+ // paper "All About Doubled Pawns".
+ //
+ }
+
+ //
+ // Handle passers / candidate passers
+ //
+ _EvaluateCandidatePasser(pos, pHash, c);
+ }
+ }
+
+ //
+ // Reward pawn duos, see "Pawn Power in Chess" pp. 10-16
+ //
+ ASSERT(iDuos[WHITE] >= 0);
+ ASSERT(iDuos[WHITE] <= 56);
+ ASSERT(iDuos[BLACK] >= 0);
+ ASSERT(iDuos[BLACK] <= 56);
+ EVAL_TERM(WHITE,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[WHITE],
+ iDuos[WHITE] / 2,
+ "pawn duos");
+ EVAL_TERM(BLACK,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[BLACK],
+ iDuos[BLACK] / 2,
+ "pawn duos");
+
+ //
+ // The penalty for doubled pawns is scaled based on two primary
+ // factors: the presence of major pieces for the side with doubled
+ // pawns and the number of doubled pawns on the board. The
+ // presence of major pieces makes the doubled pawns less severe
+ // while the presence of many doubled pawns makes the penalty for
+ // each more severe.
+ //
+ ASSERT((uDoubled[WHITE] >= 0) && (uDoubled[WHITE] <= 8));
+ ASSERT((uDoubled[BLACK] >= 0) && (uDoubled[BLACK] <= 8));
+ u = pos->uNonPawnCount[BLACK][ROOK] + pos->uNonPawnCount[BLACK][QUEEN] * 2;
+ u = MINU(u, 3);
+ EVAL_TERM(BLACK,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[BLACK],
+ DOUBLED_PAWN_PENALTY_BY_COUNT[u][uDoubled[BLACK]],
+ "exponential doubled");
+ u = pos->uNonPawnCount[WHITE][ROOK] + pos->uNonPawnCount[WHITE][QUEEN] * 2;
+ u = MINU(u, 3);
+ EVAL_TERM(WHITE,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[WHITE],
+ DOUBLED_PAWN_PENALTY_BY_COUNT[u][uDoubled[WHITE]],
+ "exponential doubled");
+
+ ASSERT(uIsolated[WHITE] >= 0);
+ ASSERT(uIsolated[WHITE] <= 8);
+ ASSERT(uIsolated[BLACK] >= 0);
+ ASSERT(uIsolated[BLACK] <= 8);
+ EVAL_TERM(BLACK,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[BLACK],
+ ISOLATED_PAWN_PENALTY_BY_COUNT[uIsolated[BLACK]],
+ "exponential isolated");
+ EVAL_TERM(WHITE,
+ PAWN,
+ ILLEGAL_COOR,
+ pHash->iScore[WHITE],
+ ISOLATED_PAWN_PENALTY_BY_COUNT[uIsolated[WHITE]],
+ "exponential isolated");
+
+ //
+ // Look for connected, supported and outside passed pawns to give
+ // extra bonuses.
+ //
+ _EvaluateConnectedSupportedOutsidePassers(pos, pHash);
+
+ //
+ // TODO: recognize quartgrips and stonewalls
+ //
+ return(pHash);
+}
+
+
+ULONG
+CountKingSafetyDefects(IN OUT POSITION *pos,
+ IN ULONG uSide)
+/**
+
+Routine description:
+
+ Determine how many defects uSide's king position has _quickly_.
+ TODO: add more knowledge as cheaply as possible...
+
+Parameters:
+
+ POSITION *pos,
+ ULONG uSide
+
+Return value:
+
+ ULONG
+
+**/
+{
+ ULONG uCounter = 0;
+ ULONG xSide = FLIP(uSide);
+ COOR cKing;
+ COOR c;
+ int i;
+ PIECE p;
+ ULONG u;
+
+ //
+ // Don't count king safety defects if the real eval code in
+ // _EvalKing would not...
+ //
+ if (pos->uNonPawnMaterial[xSide] < DO_KING_SAFETY_THRESHOLD) {
+ return 0;
+ }
+
+ cKing = pos->cNonPawns[uSide][0];
+ uCounter = KING_INITIAL_COUNTER_BY_LOCATION[uSide][cKing] >> 1;
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+ ASSERT(pos->rgSquare[cKing].uIndex == 0);
+ ASSERT(IS_ON_BOARD(cKing));
+ ASSERT(GET_COLOR(pos->rgSquare[cKing].pPiece) == uSide);
+
+ //
+ // Make sure cKing - 1, cKing and cKing + 1 are on the board
+ //
+ cKing += (!IS_ON_BOARD(cKing - 1));
+ cKing -= (!IS_ON_BOARD(cKing + 1));
+ ASSERT(IS_ON_BOARD(cKing));
+ ASSERT(IS_ON_BOARD(cKing + 1));
+ ASSERT(IS_ON_BOARD(cKing - 1));
+
+ //
+ // Consider all enemy pieces except the king (not including pawns)
+ //
+ for (u = 1;
+ u < pos->uNonPawnCount[xSide][0];
+ u++)
+ {
+ c = pos->cNonPawns[xSide][u];
+ ASSERT(IS_ON_BOARD(c));
+ i = (int)c - (int)(cKing + 1);
+ ASSERT((i >= -128) && (i <= 125));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(pos->rgSquare[c].uIndex == u);
+ ASSERT(!IS_KING(p));
+ ASSERT(GET_COLOR(p) == xSide);
+ p = 1 << PIECE_TYPE(p);
+
+ uCounter += ((i == 0) | (i == -2) |
+ ((CHECK_VECTOR_WITH_INDEX(i, xSide) & p) != 0) |
+ ((CHECK_VECTOR_WITH_INDEX(i + 1, xSide) & p) != 0) |
+ ((CHECK_VECTOR_WITH_INDEX(i + 2, xSide) & p) != 0));
+ }
+ ASSERT(uCounter < 15);
+
+ // Save the number of enemy pieces pointing at this king for later use.
+ pos->uPiecesPointingAtKing[uSide] =
+ (uCounter - (KING_INITIAL_COUNTER_BY_LOCATION[uSide][cKing] >> 1));
+ return uCounter;
+}
+
+
+static void
+_QuicklyEstimateKingSafetyTerm(IN POSITION *pos,
+ IN OUT SCORE *piAlphaMargin,
+ IN OUT SCORE *piBetaMargin)
+/**
+
+Routine description:
+
+ Before doing an early lazy eval, look at the position and try to
+ quickly see if there is a large king safety positional component
+ to the score.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ void
+
+**/
+{
+ //
+ // IDEA: make this stuff dynamic like ctx->uPositional
+ //
+ static const SCORE iScoreByDefectCount[15] = {
+ 33, 50, 88, 146, 215, 245, 280, 430, 550, 630, 646, 646, 646, 646, 646
+ };
+ SCORE iPenaltyEst[2];
+ SCORE iRet;
+
+ ASSERT(CountKingSafetyDefects(pos, pos->uToMove) < 15);
+ iPenaltyEst[WHITE] =
+ iScoreByDefectCount[CountKingSafetyDefects(pos, WHITE)];
+ ASSERT(iPenaltyEst[WHITE] > 0);
+
+ ASSERT(CountKingSafetyDefects(pos, BLACK) < 15);
+ iPenaltyEst[BLACK] =
+ iScoreByDefectCount[CountKingSafetyDefects(pos, BLACK)];
+ ASSERT(iPenaltyEst[BLACK] > 0);
+
+ //
+ // For the beta margin, assume our king safety penalty will stand
+ // and our opponents will be less severe than we guess... net bonus
+ // to them / our bonus not as high.
+ //
+ iRet = iPenaltyEst[pos->uToMove] - iPenaltyEst[FLIP(pos->uToMove)] / 2;
+ iRet = MAX0(iRet);
+ ASSERT(iRet >= 0);
+ *piBetaMargin += iRet;
+
+ //
+ // For the alpha margin, assume our king safety penalty will not
+ // be too bad and our opponents will be as bad as we guess... net
+ // bonus to us / their offsetting bonus not as high.
+ //
+ iRet = iPenaltyEst[FLIP(pos->uToMove)] - iPenaltyEst[pos->uToMove] / 2;
+ iRet = MAX0(iRet);
+ ASSERT(iRet >= 0);
+ *piAlphaMargin += iRet;
+}
+
+
+static void
+_QuicklyEstimatePasserBonuses(POSITION *pos,
+ PAWN_HASH_ENTRY *pHash,
+ SCORE *piAlphaMargin,
+ SCORE *piBetaMargin)
+{
+ SCORE iBonusEst[2] = {0, 0};
+ SCORE iRet;
+ ULONG u;
+
+ //
+ // Guess about the passer bonuses
+ //
+ if (pHash->bbPasserLocations[WHITE])
+ {
+ u = pos->uNonPawnMaterial[BLACK] - VALUE_KING;
+ u /= VALUE_PAWN;
+ u = MINU(31, u);
+ ASSERT(PASSER_BONUS_AS_MATERIAL_COMES_OFF[u] >= 0);
+ iBonusEst[WHITE] =
+ (CountBits(pHash->bbPasserLocations[WHITE]) *
+ PASSER_BONUS_AS_MATERIAL_COMES_OFF[u]);
+ }
+ if (pHash->bbPasserLocations[BLACK])
+ {
+ u = pos->uNonPawnMaterial[WHITE] - VALUE_KING;
+ u /= VALUE_PAWN;
+ u = MINU(31, u);
+ ASSERT(PASSER_BONUS_AS_MATERIAL_COMES_OFF[u] >= 0);
+ iBonusEst[BLACK] =
+ (CountBits(pHash->bbPasserLocations[BLACK]) *
+ PASSER_BONUS_AS_MATERIAL_COMES_OFF[u]);
+ }
+
+ //
+ // For the beta margin, assume our passer bonus gets reduced and
+ // our opponent's is enhanced... net bonus to them / our bonus
+ // not as high.
+ //
+ iRet = iBonusEst[pos->uToMove] / 2 - iBonusEst[FLIP(pos->uToMove)];
+ iRet = MAX0(iRet);
+ *piBetaMargin += iRet;
+
+ //
+ // For the alpha bonus, assume our passer bonus gets doubled and
+ // our opponent's is reduced. Net bonus to us / their bonus not
+ // as high.
+ //
+ iRet = iBonusEst[pos->uToMove] - iBonusEst[FLIP(pos->uToMove)] / 2;
+ iRet = MAX0(iRet);
+ *piAlphaMargin += iRet;
+}
+
+
+static void
+_InvalidEvaluator(UNUSED POSITION *pos,
+ UNUSED COOR c,
+ UNUSED PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+ This code should never be called
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ void
+
+**/
+{
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+}
+
+//
+// ======================================================================
+//
+
+static FLAG FASTCALL
+_InvalidMobilityHelper(UNUSED POSITION *pos,
+ UNUSED COOR c,
+ UNUSED ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+ This code should never be called
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ return(TRUE);
+}
+
+// ----------------------------------------------------------------------
+
+static FLAG FASTCALL
+_BMinorToEnemyLess(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+ Consider a black minor (knight | bishop) taking an enemy pawn
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL : always TRUE, stop scanning in this direction
+
+**/
+{
+#ifdef DEBUG
+ PIECE pMinor = pos->rgSquare[pos->cPiece].pPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(PIECE_VALUE(p) < VALUE_BISHOP);
+ ASSERT(!IS_EMPTY(pMinor));
+ ASSERT(IS_PAWN(p));
+ ASSERT(IS_BISHOP(pMinor) || IS_KNIGHT(pMinor));
+ ASSERT(OPPOSITE_COLORS(p, pMinor));
+ ASSERT(GET_COLOR(pMinor) == BLACK);
+#endif
+ *puMobility += (!UNSAFE_FOR_MINOR(pos->rgSquare[c|8].bvAttacks[WHITE]));
+ ASSERT(*puMobility <= 8);
+ return(TRUE); // stop scanning this dir
+}
+
+static FLAG FASTCALL
+_WMinorToEnemyLess(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE pMinor = pos->rgSquare[pos->cPiece].pPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(IS_PAWN(p));
+ ASSERT(PIECE_VALUE(p) < VALUE_BISHOP);
+ ASSERT(!IS_EMPTY(pMinor));
+ ASSERT(IS_BISHOP(pMinor) || IS_KNIGHT(pMinor));
+ ASSERT(OPPOSITE_COLORS(p, pMinor));
+ ASSERT(GET_COLOR(pMinor) == WHITE);
+#endif
+ *puMobility += (!UNSAFE_FOR_MINOR(pos->rgSquare[c|8].bvAttacks[BLACK]));
+ ASSERT(*puMobility <= 8);
+ return(TRUE); // stop scanning this dir
+}
+
+static FLAG FASTCALL
+_WRookToEnemyLess(POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(OPPOSITE_COLORS(p, pRook));
+ ASSERT(PIECE_VALUE(p) < VALUE_ROOK);
+ ASSERT(WHITE == GET_COLOR(pRook));
+#endif
+ *puMobility += (!UNSAFE_FOR_ROOK(pos->rgSquare[c|8].bvAttacks[BLACK]));
+ ASSERT(*puMobility <= 7);
+ return(TRUE); // stop scanning this dir
+}
+
+static FLAG FASTCALL
+_BRookToEnemyLess(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(OPPOSITE_COLORS(p, pRook));
+ ASSERT(PIECE_VALUE(p) < VALUE_ROOK);
+ ASSERT(BLACK == GET_COLOR(pRook));
+#endif
+ *puMobility += (!UNSAFE_FOR_ROOK(pos->rgSquare[c|8].bvAttacks[WHITE]));
+ ASSERT(*puMobility <= 7);
+ return(TRUE); // stop scanning this dir
+}
+
+
+static FLAG FASTCALL
+_BQueenToEnemyLess(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(PIECE_VALUE(p) < VALUE_QUEEN);
+ ASSERT(GET_COLOR(pQueen) == BLACK);
+ ASSERT(OPPOSITE_COLORS(pQueen, p));
+#endif
+ *puMobility += (!UNSAFE_FOR_QUEEN(pos->rgSquare[c|8].bvAttacks[WHITE]));
+ ASSERT(*puMobility <= 27);
+ return(TRUE); // stop scanning this dir
+}
+
+
+static FLAG FASTCALL
+_WQueenToEnemyLess(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(PIECE_VALUE(p) < VALUE_QUEEN);
+ ASSERT(GET_COLOR(pQueen) == WHITE);
+ ASSERT(OPPOSITE_COLORS(pQueen, p));
+#endif
+ *puMobility += (!UNSAFE_FOR_QUEEN(pos->rgSquare[c|8].bvAttacks[BLACK]));
+ ASSERT(*puMobility <= 27);
+ return(TRUE); // stop scanning this dir
+}
+
+// ----------------------------------------------------------------------
+
+static FLAG FASTCALL
+_EMinorToEnemySame(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE pMinor = pos->rgSquare[pos->cPiece].pPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(!IS_EMPTY(pMinor));
+ ASSERT(OPPOSITE_COLORS(p, pMinor));
+
+ if (IS_BISHOP(pMinor))
+ {
+ ASSERT(PIECE_VALUE(p) == VALUE_BISHOP);
+ }
+ else
+ {
+ ASSERT(IS_KNIGHT(pMinor));
+ ASSERT(PIECE_VALUE(p) >= VALUE_KNIGHT);
+ }
+#endif
+ *puMobility += 1;
+ ASSERT(*puMobility <= 8);
+ return(TRUE); // stop scanning this dir
+}
+
+
+static FLAG FASTCALL
+_ERookToEnemySame(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(IS_ROOK(p));
+ ASSERT(OPPOSITE_COLORS(p, pRook));
+#endif
+ *puMobility += 1;
+ ASSERT(*puMobility <= 7);
+ return(TRUE); // stop scanning this dir
+}
+
+
+static FLAG FASTCALL
+_EQueenToEnemyGreaterEqual(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(PIECE_VALUE(p) >= VALUE_QUEEN);
+ ASSERT(OPPOSITE_COLORS(pQueen, p));
+#endif
+ *puMobility += 1;
+ ASSERT(*puMobility <= 27);
+ return(TRUE); // stop scanning this dir
+}
+
+// ----------------------------------------------------------------------
+
+static FLAG FASTCALL
+_EMinorToEnemyGreater(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE pMinor = pos->rgSquare[pos->cPiece].pPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(PIECE_VALUE(p) > VALUE_BISHOP);
+ ASSERT(IS_BISHOP(pMinor) || IS_KNIGHT(pMinor));
+ ASSERT(OPPOSITE_COLORS(p, pMinor));
+#endif
+ *puMobility += 1;
+ ASSERT(*puMobility <= 8);
+ *puBit = MINOR_XRAY_BIT;
+ return(FALSE); // keep scanning this dir
+}
+
+static FLAG FASTCALL
+_ERookToEnemyGreater(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(OPPOSITE_COLORS(p, pRook));
+ ASSERT(PIECE_VALUE(p) > VALUE_ROOK);
+#endif
+ *puMobility += 1;
+ ASSERT(*puMobility <= 7);
+ *puBit = ROOK_XRAY_BIT;
+ return(FALSE); // keep scanning this dir
+}
+
+// ----------------------------------------------------------------------
+
+static FLAG FASTCALL
+_AnythingToFriendNoXray(IN POSITION *pos,
+ IN COOR c,
+ UNUSED ULONG *puMobility,
+ UNUSED ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ COOR cMover = pos->cPiece;
+ PIECE pMover = pos->rgSquare[cMover].pPiece;
+ PIECE pFriend = pos->rgSquare[c].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(cMover));
+ ASSERT(!IS_EMPTY(pFriend));
+ ASSERT(!IS_EMPTY(pMover));
+ ASSERT(GET_COLOR(pMover) == GET_COLOR(pFriend));
+ if (IS_BISHOP(pMover))
+ {
+ ASSERT(!IS_BISHOP(pFriend));
+ ASSERT(!IS_QUEEN(pFriend));
+ }
+ else if (IS_ROOK(pMover))
+ {
+ ASSERT(!IS_QUEEN(pFriend));
+ ASSERT(!IS_ROOK(pFriend));
+ }
+ else if (IS_QUEEN(pMover))
+ {
+ ASSERT(!IS_BISHOP(pFriend));
+ ASSERT(!IS_ROOK(pFriend));
+ ASSERT(!IS_QUEEN(pFriend));
+ }
+#endif
+ return(TRUE); // stop scanning this dir
+}
+
+// ----------------------------------------------------------------------
+
+static FLAG FASTCALL
+_EMinorToFriendXray(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE pMinor = pos->rgSquare[pos->cPiece].pPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(!IS_EMPTY(pMinor));
+ ASSERT(IS_BISHOP(pMinor));
+ ASSERT(GET_COLOR(p) == GET_COLOR(pMinor));
+#endif
+ *puBit = MINOR_XRAY_BIT;
+ return(FALSE);
+}
+
+static FLAG FASTCALL
+_BRookToFriendRook(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+ COOR cRook = pos->cPiece;
+ FLAG fHoriz = ((c & 0xF0) == (cRook & 0xF0));
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[cRook].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(cRook));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(IS_ROOK(p));
+ ASSERT(GET_COLOR(p) == GET_COLOR(pRook));
+ ASSERT(GET_COLOR(p) == BLACK);
+ ASSERT((fHoriz && (RANK(c) == RANK(pos->cPiece))) ||
+ (!fHoriz && (FILE(c) == FILE(pos->cPiece))));
+#endif
+ EVAL_TERM(BLACK,
+ ROOK,
+ c,
+ pos->iScore[BLACK],
+ (ROOK_CONNECTED_HORIZ * fHoriz +
+ ROOK_CONNECTED_VERT * FLIP(fHoriz)),
+ "rook connected");
+ *puBit = ROOK_XRAY_BIT;
+ return(FALSE);
+}
+
+
+static FLAG FASTCALL
+_WRookToFriendRook(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+ COOR cRook = pos->cPiece;
+ FLAG fHoriz = ((c & 0xF0) == (cRook & 0xF0));
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[cRook].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(cRook));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(IS_ROOK(p));
+ ASSERT(GET_COLOR(p) == GET_COLOR(pRook));
+ ASSERT(GET_COLOR(p) == WHITE);
+ ASSERT((fHoriz && (RANK(c) == RANK(pos->cPiece))) ||
+ (!fHoriz && (FILE(c) == FILE(pos->cPiece))));
+#endif
+ EVAL_TERM(WHITE,
+ ROOK,
+ c,
+ pos->iScore[WHITE],
+ (ROOK_CONNECTED_HORIZ * fHoriz +
+ ROOK_CONNECTED_VERT * FLIP(fHoriz)),
+ "rook connected");
+ *puBit = ROOK_XRAY_BIT;
+ return(FALSE);
+}
+
+
+static FLAG FASTCALL
+_ERookToFriendQueen(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(IS_QUEEN(p));
+ ASSERT(GET_COLOR(p) == GET_COLOR(pRook));
+#endif
+ *puBit = ROOK_XRAY_BIT;
+ return(FALSE);
+}
+
+static FLAG FASTCALL
+_EQueenToFriendBishop(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+ COOR cQueen = pos->cPiece;
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[cQueen].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(cQueen));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(IS_BISHOP(p));
+ ASSERT(GET_COLOR(p) == GET_COLOR(pQueen));
+#endif
+ *puBit = QUEEN_XRAY_BIT;
+ return((((c & 0xF0) == (cQueen & 0xF0)) ||
+ ((c & 0x0F) == (cQueen & 0x0F))));
+}
+
+
+static FLAG FASTCALL
+_EQueenToFriendRook(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+ COOR cQueen = pos->cPiece;
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[cQueen].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(cQueen));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(IS_ROOK(p));
+ ASSERT(GET_COLOR(p) == GET_COLOR(pQueen));
+#endif
+ *puBit = QUEEN_XRAY_BIT;
+ return(FLIP((((c & 0xF0) == (cQueen & 0xF0)) ||
+ ((c & 0x0F) == (cQueen & 0x0F)))));
+}
+
+
+static FLAG FASTCALL
+_EQueenToFriendQueen(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ COOR cQueen = pos->cPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[cQueen].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(cQueen));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(IS_QUEEN(p));
+ ASSERT(GET_COLOR(p) == GET_COLOR(pQueen));
+#endif
+ *puBit = QUEEN_XRAY_BIT;
+ return(FALSE);
+}
+
+
+// ----------------------------------------------------------------------
+
+static FLAG FASTCALL
+_BMinorToEmpty(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE pMinor = pos->rgSquare[pos->cPiece].pPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+
+ ASSERT(IS_EMPTY(p));
+ ASSERT(!IS_EMPTY(pMinor));
+ ASSERT(IS_BISHOP(pMinor) || IS_KNIGHT(pMinor));
+ ASSERT(GET_COLOR(pMinor) == BLACK);
+#endif
+ *puMobility += (!UNSAFE_FOR_MINOR(pos->rgSquare[c|8].bvAttacks[WHITE]));
+ ASSERT(*puMobility <= 8);
+ return(FALSE);
+}
+
+static FLAG FASTCALL
+_WMinorToEmpty(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE pMinor = pos->rgSquare[pos->cPiece].pPiece;
+ PIECE p = pos->rgSquare[c].pPiece;
+
+ ASSERT(IS_EMPTY(p));
+ ASSERT(!IS_EMPTY(pMinor));
+ ASSERT(IS_BISHOP(pMinor) || IS_KNIGHT(pMinor));
+ ASSERT(GET_COLOR(pMinor) == WHITE);
+#endif
+ *puMobility += (!UNSAFE_FOR_MINOR(pos->rgSquare[c|8].bvAttacks[BLACK]));
+ ASSERT(*puMobility <= 8);
+ return(FALSE);
+}
+
+static FLAG FASTCALL
+_WRookToEmpty(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(IS_EMPTY(p));
+ ASSERT(GET_COLOR(pRook) == WHITE);
+#endif
+ *puMobility += (!UNSAFE_FOR_ROOK(pos->rgSquare[c|8].bvAttacks[BLACK]));
+ ASSERT(*puMobility <= 7);
+ return(FALSE);
+}
+
+static FLAG FASTCALL
+_BRookToEmpty(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pRook = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_ROOK(pRook));
+ ASSERT(IS_EMPTY(p));
+ ASSERT(GET_COLOR(pRook) == BLACK);
+#endif
+ *puMobility += (!UNSAFE_FOR_ROOK(pos->rgSquare[c|8].bvAttacks[WHITE]));
+ ASSERT(*puMobility <= 7);
+ return(FALSE);
+}
+
+static FLAG FASTCALL
+_BQueenToEmpty(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(IS_EMPTY(p));
+ ASSERT(GET_COLOR(pQueen) == BLACK);
+#endif
+ *puMobility += (!UNSAFE_FOR_QUEEN(pos->rgSquare[c|8].bvAttacks[WHITE]));
+ ASSERT(*puMobility <= 27);
+ return(FALSE);
+}
+
+static FLAG FASTCALL
+_WQueenToEmpty(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE p = pos->rgSquare[c].pPiece;
+ PIECE pQueen = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_QUEEN(pQueen));
+ ASSERT(IS_EMPTY(p));
+ ASSERT(GET_COLOR(pQueen) == WHITE);
+#endif
+ *puMobility += (!UNSAFE_FOR_QUEEN(pos->rgSquare[c|8].bvAttacks[BLACK]));
+ ASSERT(*puMobility <= 27);
+ return(FALSE);
+}
+
+
+
+static FLAG FASTCALL
+_EBishopToFriendPawn(IN POSITION *pos,
+ IN COOR c,
+ IN OUT ULONG *puMobility,
+ IN OUT ULONG *puBit)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ ULONG *puMobility,
+ ULONG *puBit
+
+Return value:
+
+ static FLAG FASTCALL
+
+**/
+{
+#ifdef DEBUG
+ PIECE pPawn = pos->rgSquare[c].pPiece;
+ PIECE pBishop = pos->rgSquare[pos->cPiece].pPiece;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ON_BOARD(pos->cPiece));
+ ASSERT(IS_BISHOP(pBishop));
+ ASSERT(IS_PAWN(pPawn));
+ ASSERT(GET_COLOR(pBishop) == GET_COLOR(pPawn));
+#endif
+ *puMobility += ((pos->bb & COOR_TO_BB(c)) != 0);
+ return(TRUE);
+}
+
+
+
+
+//
+// ======================================================================
+//
+
+
+static void
+_EvalBishop(IN OUT POSITION *pos,
+ IN COOR c,
+ IN PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static const BITBOARD bbColorSq[2] = { 0x55aa55aa55aa55aaULL,
+ 0xaa55aa55aa55aa55ULL };
+ static const PMOBILITY_HELPER BMobJumpTable[2][14] =
+ {
+ {// (black)
+ _BMinorToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _EBishopToFriendPawn, // BLACK_PAWN (2)
+ _BMinorToEnemyLess, // WHITE_PAWN (3)
+ _AnythingToFriendNoXray, // BLACK_KNIGHT (4)
+ _EMinorToEnemySame, // WHITE_KNIGHT (5)
+ _EMinorToFriendXray, // BLACK_BISHOP (6)
+ _EMinorToEnemySame, // WHITE_BISHOP (7)
+ _AnythingToFriendNoXray, // BLACK_ROOK (8)
+ _EMinorToEnemyGreater, // WHITE_ROOK (9)
+ _EMinorToFriendXray, // BLACK_QUEEN (10)
+ _EMinorToEnemyGreater, // WHITE_QUEEN (11)
+ _AnythingToFriendNoXray, // BLACK_KING (12)
+ _EMinorToEnemyGreater, // WHITE_KING (13)
+ },
+ {// (white)
+ _WMinorToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _WMinorToEnemyLess, // BLACK_PAWN (2)
+ _EBishopToFriendPawn, // WHITE_PAWN (3)
+ _EMinorToEnemySame, // BLACK_KNIGHT (4)
+ _AnythingToFriendNoXray, // WHITE_KNIGHT (5)
+ _EMinorToEnemySame, // BLACK_BISHOP (6)
+ _EMinorToFriendXray, // WHITE_BISHOP (7)
+ _EMinorToEnemyGreater, // BLACK_ROOK (8)
+ _AnythingToFriendNoXray, // WHITE_ROOK (9)
+ _EMinorToEnemyGreater, // BLACK_QUEEN (10)
+ _EMinorToFriendXray, // WHITE_QUEEN (11)
+ _EMinorToEnemyGreater, // BLACK_KING (12)
+ _AnythingToFriendNoXray, // WHITE_KING (13)
+ }
+ };
+ static const COOR cBishopAtHome[2][2] =
+ {
+ { C8, F8 }, // BLACK
+ { C1, F1 } // WHITE
+ };
+ ULONG uColor;
+ BITBOARD bb;
+ BITBOARD bbMask;
+ BITBOARD bbPc;
+ COOR cSquare;
+ SCORE i;
+ ULONG u;
+ ULONG uTotalMobility;
+ ULONG uMaxMobility;
+ ULONG uCurrentMobility;
+ ULONG uBit;
+ PIECE p;
+ PMOBILITY_HELPER pFun;
+
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p && IS_BISHOP(p));
+ uColor = GET_COLOR(p);
+
+#ifdef DEBUG
+ pos->cPiece = c;
+#endif
+
+ //
+ // Unmoved piece
+ //
+ pos->uMinorsAtHome[uColor] += (c == cBishopAtHome[uColor][0]);
+ pos->uMinorsAtHome[uColor] += (c == cBishopAtHome[uColor][1]);
+ ASSERT(pos->uMinorsAtHome[uColor] <= 4);
+
+ //
+ // Good and bad bishops
+ //
+ i = 16;
+ bbMask = bbColorSq[IS_SQUARE_WHITE(c)];
+ bb = pHash->bbStationaryPawns[uColor] & bbMask;
+ ASSERT(CountBits(bb) <= 16);
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ //
+ // Consider stationary (rammed or backward) pawns of the same
+ // color as the bishop.
+ //
+ ASSERT(pos->rgSquare[cSquare].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cSquare].pPiece) == uColor);
+ i += STATIONARY_PAWN_ON_BISHOP_COLOR[cSquare];
+ }
+ EVAL_TERM(uColor,
+ BISHOP,
+ c,
+ pos->iScore[uColor],
+ i,
+ "good/bad stationary pawns ++");
+
+ i = 0;
+ bbPc = ~(pHash->bbStationaryPawns[WHITE] |
+ pHash->bbStationaryPawns[BLACK]);
+ bbPc &= bbMask;
+ bb = pHash->bbPawnLocations[uColor] & bbPc;
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ ASSERT(pos->rgSquare[cSquare].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cSquare].pPiece) == uColor);
+ ASSERT(pHash->bbPawnLocations[uColor] & COOR_TO_BB(cSquare));
+ i += TRANSIENT_PAWN_ON_BISHOP_COLOR[cSquare];
+ }
+
+ bb = pHash->bbPawnLocations[FLIP(uColor)] & bbPc;
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ //
+ // N.B. Only count enemy pawns that are supported by another
+ // pawn.
+ //
+ ASSERT(pos->rgSquare[cSquare].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cSquare].pPiece) == FLIP(uColor));
+ ASSERT(pHash->bbPawnLocations[FLIP(uColor)] & COOR_TO_BB(cSquare));
+ i +=
+ (pos->rgSquare[cSquare|8].bvAttacks[FLIP(uColor)].small.uPawn != 0) *
+ TRANSIENT_PAWN_ON_BISHOP_COLOR[cSquare] / 2;
+ }
+ EVAL_TERM(uColor,
+ BISHOP,
+ c,
+ pos->iScore[uColor],
+ i,
+ "good/bad transient pawns");
+
+ //
+ // Bonus to bishops in very open positions.
+ //
+ ASSERT(pos->uClosedScaler <= 32);
+ EVAL_TERM(uColor,
+ BISHOP,
+ c,
+ pos->iScore[uColor],
+ BISHOP_IN_CLOSED_POSITION[pos->uClosedScaler],
+ "in closed/open position");
+
+ //
+ // Bishop mobility (and update attack table bits)
+ //
+ u = uMaxMobility = uTotalMobility = 0;
+ pos->bb = bbPc;
+ ASSERT(g_iBDeltas[u] != 0);
+ do
+ {
+ uCurrentMobility = 0;
+ uBit = MINOR_BIT;
+ cSquare = c + g_iBDeltas[u];
+
+ while(IS_ON_BOARD(cSquare))
+ {
+ //
+ // Always toggle attack table bits.
+ //
+ ASSERT((cSquare|8) == (cSquare + 8));
+ pos->rgSquare[cSquare|8].bvAttacks[uColor].uWholeThing |= uBit;
+
+ //
+ // What did we hit?
+ //
+ p = pos->rgSquare[cSquare].pPiece;
+ pFun = BMobJumpTable[uColor][p];
+ ASSERT(pFun);
+ if (TRUE == (*pFun)(pos,
+ cSquare,
+ &uCurrentMobility,
+ &uBit))
+ {
+ break;
+ }
+ cSquare += g_iBDeltas[u];
+ }
+ uTotalMobility += uCurrentMobility;
+ ASSERT((uMaxMobility & 0x80000000) == 0);
+ ASSERT((uCurrentMobility & 0x80000000) == 0);
+ uMaxMobility = MAXU(uMaxMobility, uCurrentMobility);
+ ASSERT(uMaxMobility <= 7);
+ u++;
+ }
+ while(g_iBDeltas[u] != 0);
+ ASSERT(uTotalMobility <= 13);
+ EVAL_TERM(uColor,
+ BISHOP,
+ c,
+ pos->iScore[uColor],
+ BISHOP_MOBILITY_BY_SQUARES[uTotalMobility],
+ "bishop mobility");
+ EVAL_TERM(uColor,
+ BISHOP,
+ c,
+ pos->iScore[uColor],
+ BISHOP_MAX_MOBILITY_IN_A_ROW_BONUS[uMaxMobility],
+ "consecutive bishop mobility");
+
+ //
+ // Look for bishops with no mobility who are under attack. These
+ // pieces are trapped!
+ //
+ if (uTotalMobility == 0)
+ {
+ pos->cTrapped[uColor] = c;
+ }
+ uTotalMobility /= 2;
+ ASSERT((pos->uMinMobility[uColor] & 0x80000000) == 0);
+ ASSERT((uTotalMobility & 0x80000000) == 0);
+ pos->uMinMobility[uColor] = MINU(pos->uMinMobility[uColor],
+ uTotalMobility);
+
+ //
+ // Look for "active bad bishops". See if square c is safe from
+ // enemy pawns.
+ //
+ bb = pHash->bbPawnLocations[FLIP(uColor)] &
+ (~pHash->bbStationaryPawns[FLIP(uColor)]);
+ if (TRUE == _IsSquareSafeFromEnemyPawn(pos, c, bb))
+ {
+ //
+ // Give a bonus based on distance from enemy king
+ //
+ if (pos->rgSquare[c|8].bvAttacks[uColor].small.uPawn)
+ {
+#ifdef DEBUG
+ p = BLACK_PAWN | uColor;
+ ASSERT(((IS_ON_BOARD(c + 17 * g_iBehind[uColor]) &&
+ (pos->rgSquare[c + 17 * g_iBehind[uColor]].pPiece==p)) ||
+ ((IS_ON_BOARD(c + 15 * g_iBehind[uColor])) &&
+ (pos->rgSquare[c + 15 * g_iBehind[uColor]].pPiece==p))));
+#endif
+ u = DISTANCE(c, pos->cNonPawns[FLIP(uColor)][0]);
+ i = BISHOP_UNASSAILABLE_BY_DIST_FROM_EKING[u];
+ EVAL_TERM(uColor,
+ BISHOP,
+ c,
+ pos->iReducedMaterialDownScaler[uColor],
+ i,
+ "[scaled] unassailable");
+ }
+ }
+}
+
+static void
+_EvalKnight(IN OUT POSITION *pos,
+ IN COOR c,
+ IN PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static const int iPawnStart[2] = { -17, +15 };
+ static const PMOBILITY_HELPER NMobJumpTable[2][14] =
+ {
+ {// (black)
+ _BMinorToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _AnythingToFriendNoXray, // BLACK_PAWN (2)
+ _BMinorToEnemyLess, // WHITE_PAWN (3)
+ _AnythingToFriendNoXray, // BLACK_KNIGHT (4)
+ _EMinorToEnemySame, // WHITE_KNIGHT (5)
+ _AnythingToFriendNoXray, // BLACK_BISHOP (6)
+ _EMinorToEnemySame, // WHITE_BISHOP (7)
+ _AnythingToFriendNoXray, // BLACK_ROOK (8)
+ _EMinorToEnemySame, // WHITE_ROOK (9)
+ _AnythingToFriendNoXray, // BLACK_QUEEN (10)
+ _EMinorToEnemySame, // WHITE_QUEEN (11)
+ _AnythingToFriendNoXray, // BLACK_KING (12)
+ _EMinorToEnemySame, // WHITE_KING (13)
+ },
+ {// (white)
+ _WMinorToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _WMinorToEnemyLess, // BLACK_PAWN (2)
+ _AnythingToFriendNoXray, // WHITE_PAWN (3)
+ _EMinorToEnemySame, // BLACK_KNIGHT (4)
+ _AnythingToFriendNoXray, // WHITE_KNIGHT (5)
+ _EMinorToEnemySame, // BLACK_BISHOP (6)
+ _AnythingToFriendNoXray, // WHITE_BISHOP (7)
+ _EMinorToEnemySame, // BLACK_ROOK (8)
+ _AnythingToFriendNoXray, // WHITE_ROOK (9)
+ _EMinorToEnemySame, // BLACK_QUEEN (10)
+ _AnythingToFriendNoXray, // WHITE_QUEEN (11)
+ _EMinorToEnemySame, // BLACK_KING (12)
+ _AnythingToFriendNoXray, // WHITE_KING (13)
+ }
+ };
+ static const COOR cKnightAtHome[2][2] =
+ {
+ { B8, G8 }, // BLACK
+ { B1, G1 } // WHITE
+ };
+ PIECE p;
+ COOR cSquare;
+ BITBOARD bb;
+ ULONG uColor;
+ ULONG uPawnsSupporting;
+ ULONG u;
+ ULONG uPawnFile;
+ ULONG uMobilitySquares;
+ SCORE i;
+ ULONG uDist;
+ PMOBILITY_HELPER pFun;
+
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p && IS_KNIGHT(p));
+ uColor = GET_COLOR(p);
+ ASSERT(IS_VALID_COLOR(uColor));
+#ifdef DEBUG
+ pos->cPiece = c;
+#endif
+
+ //
+ // Unmoved piece
+ //
+ pos->uMinorsAtHome[uColor] += (c == cKnightAtHome[uColor][0]);
+ pos->uMinorsAtHome[uColor] += (c == cKnightAtHome[uColor][1]);
+ ASSERT(pos->uMinorsAtHome[uColor] <= 4);
+
+ //
+ // TODO: Don't block unmoved E2/D2 pawns
+ //
+
+ //
+ // Centrality bonus
+ //
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iScore[uColor],
+ KNIGHT_CENTRALITY_BONUS[c],
+ "board centrality");
+
+ //
+ // Give a bonus to knights on a closed / busy board
+ //
+ ASSERT(pos->uClosedScaler <= 32);
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iScore[uColor],
+ KNIGHT_IN_CLOSED_POSITION[pos->uClosedScaler],
+ "in closed/open position");
+
+ //
+ // See if square c is safe from enemy pawns; if so give bonus for
+ // outposted knight which increases the closer it is to the enemy
+ // king and the more pawns it has supporting it.
+ //
+ uDist = DISTANCE(c, pos->cNonPawns[FLIP(uColor)][0]);
+ ASSERT((uDist > 0) && (uDist <= 8));
+ bb = pHash->bbPawnLocations[FLIP(uColor)] &
+ (~pHash->bbStationaryPawns[FLIP(uColor)]);
+ if (TRUE == _IsSquareSafeFromEnemyPawn(pos, c, bb))
+ {
+ //
+ // Count the number of supporting pawns the knight has
+ //
+ uPawnsSupporting = 0;
+ p = BLACK_PAWN | uColor;
+ cSquare = c + iPawnStart[uColor];
+ uPawnsSupporting = (IS_ON_BOARD(cSquare) &&
+ (pos->rgSquare[cSquare].pPiece == p));
+ cSquare += 2;
+ uPawnsSupporting += (IS_ON_BOARD(cSquare) &&
+ (pos->rgSquare[cSquare].pPiece == p));
+ ASSERT(uPawnsSupporting <= 2);
+
+ //
+ // Give a bonus based on distance from enemy king
+ //
+ i = KNIGHT_UNASSAILABLE_BY_DIST_FROM_EKING[uDist] +
+ KNIGHT_WITH_N_PAWNS_SUPPORTING[uPawnsSupporting];
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iReducedMaterialDownScaler[uColor],
+ i,
+ "[scaled] unassailable/support");
+
+ //
+ // Now, if there's zero or one supporter see if the enemy has a
+ // bishop the color of the knight it could capture with.
+ //
+ if (uPawnsSupporting != 2)
+ {
+ if (IS_SQUARE_WHITE(c))
+ {
+ if (pos->uWhiteSqBishopCount[FLIP(uColor)])
+ {
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iScore[uColor],
+ -(i / 2),
+ "not safe from enemy B");
+ }
+ }
+ else
+ {
+ if (pos->uNonPawnCount[FLIP(uColor)][BISHOP] -
+ pos->uWhiteSqBishopCount[FLIP(uColor)])
+ {
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iScore[uColor],
+ -(i / 2),
+ "not safe from enemy B");
+ }
+ }
+ }
+ }
+ else // not outposted
+ {
+ //
+ // Still good to be close to the enemy king.
+ //
+ i = KNIGHT_KING_TROPISM_BONUS[uDist];
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iReducedMaterialDownScaler[uColor],
+ i,
+ "[scaled] enemy king tropism");
+ }
+
+ //
+ // Give a bonus for blockading an enemy backward pawn. Note:
+ // we also reward pieces for blocking enemy passers in the
+ // passer code.
+ //
+ cSquare = c + 16 * g_iAhead[uColor];
+ bb = pHash->bbStationaryPawns[FLIP(uColor)];
+ if (bb & COOR_TO_BB(cSquare))
+ {
+ ASSERT(pos->rgSquare[cSquare].pPiece);
+ ASSERT(IS_PAWN(pos->rgSquare[cSquare].pPiece));
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iScore[uColor],
+ KNIGHT_ON_INTERESTING_SQUARE_BY_RANK[uColor][RANK(c)],
+ "blockades enemy pawn");
+ }
+
+ //
+ // A knight with an open file behind it is good.
+ //
+ uPawnFile = FILE(c) + 1;
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iScore[uColor],
+ ((pHash->uCountPerFile[uColor][uPawnFile] == 0) *
+ KNIGHT_ON_INTERESTING_SQUARE_BY_RANK[uColor][RANK(c)]),
+ "open file behind");
+
+ //
+ // Do mobilility and piece relevance. Also update attack tables.
+ //
+ uMobilitySquares = 0;
+ u = 0;
+ ASSERT(g_iNDeltas[u] != 0);
+ do
+ {
+ cSquare = c + g_iNDeltas[u];
+ if (IS_ON_BOARD(cSquare))
+ {
+ //
+ // Always update the attack bits
+ //
+ ASSERT((cSquare + 8) == (cSquare | 8));
+ pos->rgSquare[cSquare|8].bvAttacks[uColor].small.uMinor = 1;
+
+ //
+ // See what we hit
+ //
+ p = pos->rgSquare[cSquare].pPiece;
+ pFun = NMobJumpTable[uColor][p];
+ if (pFun != _AnythingToFriendNoXray)
+ {
+ (void)(*pFun)(pos,
+ cSquare,
+ &uMobilitySquares,
+ NULL);
+ }
+
+ //
+ // IDEA: bonus for hitting friendly pawn?
+ //
+ }
+ u++;
+ }
+ while(g_iNDeltas[u] != 0);
+ ASSERT(uMobilitySquares >= 0);
+ ASSERT(uMobilitySquares <= 8);
+ EVAL_TERM(uColor,
+ KNIGHT,
+ c,
+ pos->iScore[uColor],
+ KNIGHT_MOBILITY_BY_COUNT[uMobilitySquares],
+ "knight mobility");
+ if (uMobilitySquares == 0)
+ {
+ pos->cTrapped[uColor] = c;
+ }
+ ASSERT((pos->uMinMobility[uColor] & 0x80000000) == 0);
+ ASSERT((uMobilitySquares & 0x80000000) == 0);
+ pos->uMinMobility[uColor] = MINU(pos->uMinMobility[uColor],
+ uMobilitySquares);
+}
+
+static void
+_EvalRook(IN OUT POSITION *pos,
+ IN COOR c,
+ IN PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+Parameters:
+
+ IN POSITION *pos,
+ IN COOR c,
+ IN PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static const PMOBILITY_HELPER RMobJumpTable[2][14] =
+ {
+ {// (black)
+ _BRookToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _AnythingToFriendNoXray, // BLACK_PAWN (2)
+ _BRookToEnemyLess, // WHITE_PAWN (3)
+ _AnythingToFriendNoXray, // BLACK_KNIGHT (4)
+ _BRookToEnemyLess, // WHITE_KNIGHT (5)
+ _AnythingToFriendNoXray, // BLACK_BISHOP (6)
+ _BRookToEnemyLess, // WHITE_BISHOP (7)
+ _BRookToFriendRook, // BLACK_ROOK (8)
+ _ERookToEnemySame, // WHITE_ROOK (9)
+ _ERookToFriendQueen, // BLACK_QUEEN (10)
+ _ERookToEnemyGreater, // WHITE_QUEEN (11)
+ _AnythingToFriendNoXray, // BLACK_KING (12)
+ _ERookToEnemyGreater, // WHITE_KING (13)
+ },
+ {// (white)
+ _WRookToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _WRookToEnemyLess, // BLACK_PAWN (2)
+ _AnythingToFriendNoXray, // WHITE_PAWN (3)
+ _WRookToEnemyLess, // BLACK_KNIGHT (4)
+ _AnythingToFriendNoXray, // WHITE_KNIGHT (5)
+ _WRookToEnemyLess, // BLACK_BISHOP (6)
+ _AnythingToFriendNoXray, // WHITE_BISHOP (7)
+ _ERookToEnemySame, // BLACK_ROOK (8)
+ _WRookToFriendRook, // WHITE_ROOK (9)
+ _ERookToEnemyGreater, // BLACK_QUEEN (10)
+ _ERookToFriendQueen, // WHITE_QUEEN (11)
+ _ERookToEnemyGreater, // BLACK_KING (12)
+ _AnythingToFriendNoXray, // WHITE_KING (13)
+ },
+ };
+
+ PIECE p;
+ PIECE pFriendRook;
+ ULONG uPawnFile = FILE(c) + 1;
+ ULONG uColor;
+ ULONG u;
+ ULONG uCurrentMobility;
+ ULONG uMaxMobility;
+ ULONG uTotalMobility;
+ COOR cSquare;
+ BITBOARD bb;
+ ULONG uBit;
+ PMOBILITY_HELPER pFun;
+ SCORE i;
+
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p && IS_ROOK(p));
+ uColor = GET_COLOR(p);
+ ASSERT(IS_VALID_COLOR(uColor));
+ pos->cPiece = c;
+
+ //
+ // Reward being on a half open or full open file.
+ //
+ if (0 == pHash->uCountPerFile[uColor][uPawnFile])
+ {
+ u = FILE_DISTANCE(c, pos->cNonPawns[FLIP(uColor)][0]);
+ if (0 == pHash->uCountPerFile[FLIP(uColor)][uPawnFile])
+ {
+ //
+ // Full open
+ //
+ EVAL_TERM(uColor,
+ ROOK,
+ c,
+ pos->iScore[uColor],
+ ROOK_ON_FULL_OPEN_BY_DIST_FROM_EKING[u],
+ "on full open");
+ }
+ else
+ {
+ //
+ // Half open, no friendly, just enemy.
+ //
+ EVAL_TERM(uColor,
+ ROOK,
+ c,
+ pos->iScore[uColor],
+ ROOK_ON_HALF_OPEN_WITH_ENEMY_BY_DIST_FROM_EKING[u],
+ "on half open");
+
+ //
+ // Added bonus if the enemy pawn is a passer.
+ //
+ bb = pHash->bbPasserLocations[FLIP(uColor)] & BBFILE[FILE(c)];
+ if (bb)
+ {
+ cSquare = CoorFromBitBoardRank8ToRank1(&bb);
+ EVAL_TERM(uColor,
+ ROOK,
+ c,
+ pos->iScore[uColor],
+ PASSER_BY_RANK[FLIP(uColor)][RANK(cSquare)] / 4,
+ "hassles enemy passer");
+ }
+ }
+ }
+ else if (0 == pHash->uCountPerFile[FLIP(uColor)][uPawnFile])
+ {
+ //
+ // Half open, no enemy pawn, just a friendly
+ //
+ u = FILE_DISTANCE(c, pos->cNonPawns[FLIP(uColor)][0]);
+ EVAL_TERM(uColor,
+ ROOK,
+ c,
+ pos->iScore[uColor],
+ ROOK_ON_HALF_OPEN_WITH_FRIEND_BY_DIST_FROM_EKING[u],
+ "on half open");
+
+ //
+ // See if the friend is a passed pawn and if the rook's in
+ // front of it or behind it.
+ //
+ bb = pHash->bbPasserLocations[uColor] & BBFILE[FILE(c)];
+ if (bb)
+ {
+ //
+ // IDEA: Rook behind candidates, helpers or sentries is good
+ // because the file may open soon.
+ //
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ if (uColor == WHITE)
+ {
+ if (cSquare < c)
+ {
+ EVAL_TERM(WHITE,
+ ROOK,
+ c,
+ pos->iScore[WHITE],
+ ROOK_BEHIND_PASSER_BY_PASSER_RANK[WHITE]
+ [RANK(cSquare)],
+ "behind own passer");
+ }
+ else
+ {
+ EVAL_TERM(WHITE,
+ ROOK,
+ c,
+ pos->iScore[WHITE],
+ ROOK_LEADS_PASSER_BY_PASSER_RANK[WHITE]
+ [RANK(cSquare)],
+ "in the way of passer");
+ }
+ } else {
+ ASSERT(uColor == BLACK);
+ if (cSquare > c)
+ {
+ EVAL_TERM(BLACK,
+ ROOK,
+ c,
+ pos->iScore[BLACK],
+ ROOK_BEHIND_PASSER_BY_PASSER_RANK[BLACK]
+ [RANK(cSquare)],
+ "behind own passer");
+ }
+ else
+ {
+ EVAL_TERM(BLACK,
+ ROOK,
+ c,
+ pos->iScore[BLACK],
+ ROOK_LEADS_PASSER_BY_PASSER_RANK[BLACK]
+ [RANK(cSquare)],
+ "in the way of passer");
+ }
+ }
+ }
+ }
+ }
+
+ //
+ // Look for rooks that are trapping enemy kings.
+ //
+ if (uColor == WHITE)
+ {
+ pFriendRook = WHITE_ROOK;
+
+ //
+ // Rook on 7th/8th rank with an enemy king back there.
+ //
+ if ((c < A6) && (pos->cNonPawns[BLACK][0] < A6))
+ {
+ ASSERT(RANK(c) > 6);
+ ASSERT(RANK(pos->cNonPawns[BLACK][0]) > 6);
+
+ EVAL_TERM(WHITE,
+ ROOK,
+ c,
+ pos->iScore[WHITE],
+ ROOK_TRAPPING_EKING,
+ "rook trapping enemy king");
+ }
+ }
+ else
+ {
+ pFriendRook = BLACK_ROOK;
+
+ //
+ // Rook on 7th/8th rank with an enemy king back there.
+ //
+ if ((c > H3) && (pos->cNonPawns[WHITE][0] > H3))
+ {
+ ASSERT(RANK(c) < 3);
+ ASSERT(RANK(pos->cNonPawns[WHITE][0]) < 3);
+ EVAL_TERM(BLACK,
+ ROOK,
+ c,
+ pos->iScore[BLACK],
+ ROOK_TRAPPING_EKING,
+ "rook trapping enemy king");
+ }
+ }
+
+ //
+ // Rooks increase in value as pawns come off:
+ //
+ // "A further refinement would be to raise the knight's value by
+ // 1/16 and lower the rook's value by 1/8 for each pawn above five
+ // of the side being valued, with the opposite adjustment for each
+ // pawn short of five."
+ // --Larry Kaufman, IM
+ // "Evaluation of Material Imbalance"
+ //
+ EVAL_TERM(uColor,
+ ROOK,
+ c,
+ pos->iScore[uColor],
+ ROOK_VALUE_AS_PAWNS_COME_OFF[pos->uPawnCount[uColor] +
+ pos->uPawnCount[FLIP(uColor)]],
+ "increase in value/pawns");
+
+ //
+ // Rook mobility
+ //
+ u = uMaxMobility = uTotalMobility = 0;
+ ASSERT(g_iRDeltas[u] != 0);
+ do
+ {
+ uCurrentMobility = 0;
+ uBit = ROOK_BIT;
+ cSquare = c + g_iRDeltas[u];
+
+ while(IS_ON_BOARD(cSquare))
+ {
+ //
+ // Twiddle our attack table bits.
+ //
+ pos->rgSquare[cSquare|8].bvAttacks[uColor].uWholeThing |= uBit;
+ ASSERT((cSquare | 8) == (cSquare + 8));
+
+ //
+ // What did we hit?
+ //
+ p = pos->rgSquare[cSquare].pPiece;
+ pFun = RMobJumpTable[uColor][p];
+ if (TRUE == (*pFun)(pos,
+ cSquare,
+ &uCurrentMobility,
+ &uBit))
+ {
+ break;
+ }
+ cSquare += g_iRDeltas[u];
+ }
+ uTotalMobility += uCurrentMobility;
+ ASSERT(uTotalMobility <= 14);
+ ASSERT((uMaxMobility & 0x80000000) == 0);
+ ASSERT((uCurrentMobility & 0x80000000) == 0);
+ uMaxMobility = MAXU(uCurrentMobility, uMaxMobility);
+ ASSERT(uMaxMobility <= 7);
+ u++;
+ }
+ while(g_iRDeltas[u] != 0);
+ ASSERT(uTotalMobility <= 14);
+
+ ASSERT(pos->uArmyScaler[FLIP(uColor)] <= 31);
+ ASSERT(REDUCED_MATERIAL_UP_SCALER[pos->uArmyScaler[FLIP(uColor)]] <= 8);
+ i = ROOK_MOBILITY_BY_SQUARES[uTotalMobility];
+ i *= (int)(REDUCED_MATERIAL_UP_SCALER[pos->uArmyScaler[FLIP(uColor)]] + 1);
+ i /= 8;
+ EVAL_TERM(uColor,
+ ROOK,
+ c,
+ pos->iScore[uColor],
+ i,
+ "rook mobility");
+ EVAL_TERM(uColor,
+ ROOK,
+ c,
+ pos->iScore[uColor],
+ ROOK_MAX_MOBILITY_IN_A_ROW_BONUS[uMaxMobility],
+ "consecutive rook mobility");
+
+ ASSERT((pos->uMinMobility[uColor] & 0x80000000) == 0);
+ ASSERT((uTotalMobility & 0x80000000) == 0);
+ pos->uMinMobility[uColor] = MINU(pos->uMinMobility[uColor],
+ uTotalMobility);
+ if (uTotalMobility < 3)
+ {
+ //
+ // Look for rooks with no mobility who are under attack. These
+ // pieces are trapped!
+ //
+ if (uTotalMobility == 0)
+ {
+ pos->cTrapped[uColor] = c;
+ }
+
+ //
+ // Rook trapped in the corner by a stupid friendly king?
+ //
+ ASSERT(IS_VALID_COLOR(uColor));
+ if (uColor == WHITE)
+ {
+ ASSERT(IS_ON_BOARD(c));
+ if (RANK1(c))
+ {
+ cSquare = pos->cNonPawns[WHITE][0];
+ ASSERT(IS_ON_BOARD(cSquare));
+ if (RANK1(cSquare))
+ {
+ if (((cSquare > E1) && (c > cSquare)) ||
+ ((cSquare < D1) && (c < cSquare)))
+ {
+ EVAL_TERM(WHITE,
+ ROOK,
+ c,
+ pos->iScore[WHITE],
+ KING_TRAPPING_ROOK,
+ "king trapping rook");
+ }
+ }
+ }
+ }
+ else
+ {
+ ASSERT(uColor == BLACK);
+ ASSERT(IS_ON_BOARD(c));
+ if (RANK8(c))
+ {
+ cSquare = pos->cNonPawns[BLACK][0];
+ ASSERT(IS_ON_BOARD(cSquare));
+
+ if (RANK8(cSquare))
+ {
+ if (((cSquare > E8) && (c > cSquare)) ||
+ ((cSquare < D8) && (c < cSquare)))
+ {
+ EVAL_TERM(BLACK,
+ ROOK,
+ c,
+ pos->iScore[BLACK],
+ KING_TRAPPING_ROOK,
+ "king trapping rook");
+ }
+ }
+ }
+ }
+ } // if low mobility
+}
+
+
+static void
+_EvalQueen(IN OUT POSITION *pos,
+ IN COOR c,
+ IN PAWN_HASH_ENTRY *pHash)
+/**
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static const PMOBILITY_HELPER QMobJumpTable[2][14] =
+ {
+ {
+ _BQueenToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _AnythingToFriendNoXray, // BLACK_PAWN (2)
+ _BQueenToEnemyLess, // WHITE_PAWN (3)
+ _AnythingToFriendNoXray, // BLACK_KNIGHT (4)
+ _BQueenToEnemyLess, // WHITE_KNIGHT (5)
+ _EQueenToFriendBishop, // BLACK_BISHOP (6)
+ _BQueenToEnemyLess, // WHITE_BISHOP (7)
+ _EQueenToFriendRook, // BLACK_ROOK (8)
+ _BQueenToEnemyLess, // WHITE_ROOK (9)
+ _EQueenToFriendQueen, // BLACK_QUEEN (10)
+ _EQueenToEnemyGreaterEqual, // WHITE_QUEEN (11)
+ _AnythingToFriendNoXray, // BLACK_KING (12)
+ _EQueenToEnemyGreaterEqual, // WHITE_KING (13)
+ },
+ {
+ _WQueenToEmpty, // EMPTY_SQUARE (0)
+ _InvalidMobilityHelper, // INVALID_PIECE (1)
+ _WQueenToEnemyLess, // BLACK_PAWN (2)
+ _AnythingToFriendNoXray, // WHITE_PAWN (3)
+ _WQueenToEnemyLess, // BLACK_KNIGHT (4)
+ _AnythingToFriendNoXray, // WHITE_KNIGHT (5)
+ _WQueenToEnemyLess, // BLACK_BISHOP (6)
+ _EQueenToFriendBishop, // WHITE_BISHOP (7)
+ _WQueenToEnemyLess, // BLACK_ROOK (8)
+ _EQueenToFriendRook, // WHITE_ROOK (9)
+ _EQueenToEnemyGreaterEqual, // BLACK_QUEEN (10)
+ _EQueenToFriendQueen, // WHITE_QUEEN (11)
+ _EQueenToEnemyGreaterEqual, // BLACK_KING (12)
+ _AnythingToFriendNoXray, // WHITE_KING (13)
+ },
+ };
+
+ PIECE p = pos->rgSquare[c].pPiece;
+ ULONG uColor;
+ COOR cSquare;
+ ULONG uTotalMobility;
+ ULONG u;
+ ULONG uBit;
+ PMOBILITY_HELPER pFun;
+ ULONG uNearKing = 0;
+ COOR cKing;
+
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(p && IS_QUEEN(p));
+ uColor = GET_COLOR(p);
+ ASSERT(IS_VALID_COLOR(uColor));
+ pos->cPiece = c;
+ cKing = pos->cNonPawns[FLIP(uColor)][0];
+ ASSERT(IS_ON_BOARD(cKing));
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+
+ if ((FALSE == pos->fCastled[uColor]) && (pos->uMinorsAtHome[uColor] > 1))
+ {
+ //
+ // Discourage queen being out too early
+ //
+ if (!RANK1(c) && !RANK8(c))
+ {
+ ASSERT(QUEEN_OUT_EARLY[pos->uMinorsAtHome[uColor]] < 0);
+ ASSERT(pos->uMinorsAtHome[uColor] <= 4);
+ EVAL_TERM(uColor,
+ QUEEN,
+ c,
+ pos->iScore[uColor],
+ QUEEN_OUT_EARLY[pos->uMinorsAtHome[uColor]],
+ "queen out too early");
+ }
+ }
+ else
+ {
+ //
+ // Encourage enemy king tropism
+ //
+ u = DISTANCE(c, cKing);
+ ASSERT((u <= 7) && (u > 0));
+ EVAL_TERM(uColor,
+ QUEEN,
+ c,
+ pos->iScore[uColor],
+ QUEEN_KING_TROPISM[u],
+ "enemy king tropism");
+ }
+
+ //
+ // Do queen mobility
+ //
+ uTotalMobility = 0;
+ u = 0;
+ ASSERT(g_iQKDeltas[u] != 0);
+ do
+ {
+ uBit = QUEEN_BIT;
+ cSquare = c + g_iQKDeltas[u];
+ while(IS_ON_BOARD(cSquare))
+ {
+ //
+ // Toggle attack table bits.
+ //
+ pos->rgSquare[cSquare|8].bvAttacks[uColor].uWholeThing |= uBit;
+
+ //
+ // What did we hit?
+ //
+ p = pos->rgSquare[cSquare].pPiece;
+ uNearKing += (DISTANCE(cSquare, cKing) <= 1);
+ pFun = QMobJumpTable[uColor][p];
+ if (TRUE == (*pFun)(pos,
+ cSquare,
+ &uTotalMobility,
+ &uBit))
+ {
+ break;
+ }
+ cSquare += g_iQKDeltas[u];
+ }
+ u++;
+ }
+ while(g_iQKDeltas[u] != 0);
+
+ ASSERT(uTotalMobility <= 27);
+ EVAL_TERM(uColor,
+ QUEEN,
+ c,
+ pos->iScore[uColor],
+ QUEEN_MOBILITY_BY_SQUARES[uTotalMobility],
+ "queen mobility");
+
+ //
+ // Look for queens with no mobility who are under attack. These
+ // pieces are trapped!
+ //
+ if (uTotalMobility == 0)
+ {
+ pos->cTrapped[uColor] = c;
+ }
+ ASSERT((pos->uMinMobility[uColor] & 0x80000000) == 0);
+ ASSERT((uTotalMobility & 0x80000000) == 0);
+ pos->uMinMobility[uColor] = MINU(pos->uMinMobility[uColor],
+ uTotalMobility);
+
+ //
+ // If queen points near enemy king, that's a good thing too.
+ //
+ ASSERT(uNearKing <= 6);
+ EVAL_TERM(uColor,
+ QUEEN,
+ c,
+ pos->iScore[uColor],
+ (uNearKing * QUEEN_ATTACKS_SQ_NEXT_TO_KING),
+ "pointing near enemy K");
+}
+
+static void
+_EvalKing(IN OUT POSITION *pos,
+ IN const COOR c,
+ IN const PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR c,
+ PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ PIECE p;
+ ULONG uColor, ufColor;
+ COOR cSquare;
+ ULONG u, v;
+ ULONG uCounter;
+ BITV bvAttack;
+ BITV bvXray;
+ BITV bvDefend;
+ BITV bvPattern = 0;
+ ULONG uFlightSquares;
+ BITBOARD bb;
+ SCORE i;
+ SCORE iKingScore = 0;
+
+ static ULONG KingFlightDefects[9] =
+ {
+ +4, +2, +1, 0, 0, 0, 0, 0, 0
+ };
+
+ static ULONG KingStormingPawnDefects[8] =
+ {
+ +0, +4, +3, +1, +0, +0, +0, +0
+ };
+
+ static ULONG KingFileDefects[3] =
+ {
+ +2, +1, +0
+ };
+
+ static INT KingSafetyDeltas[11] =
+ {
+ -17, -16, -15,
+ -1, +1,
+ +15, +16, +17, -2, +2, 0
+ };
+
+ static ULONG EmptyAttackedSquare[2][11] =
+ {
+ {
+ 1, 1, 1,
+ 1, 1,
+ 2, 2, 2, 1, 1, 0
+ },
+ {
+ 2, 2, 2,
+ 1, 1,
+ 1, 1, 1, 1, 1, 0
+ },
+ };
+
+ static ULONG EmptyUnattackedSquare[2][11] =
+ {
+ {
+ 0, 0, 0,
+ 0, 0,
+ 1, 1, 1, 0, 0, 0
+ },
+ {
+ 1, 1, 1,
+ 0, 0,
+ 0, 0, 0, 0, 0, 0
+ },
+ };
+
+ static ULONG OccupiedAttackedSquare[2] =
+ {
+ 1,
+ 2
+ };
+
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p && IS_KING(p));
+ uColor = GET_COLOR(p);
+ ufColor = FLIP(uColor);
+ ASSERT(IS_VALID_COLOR(uColor));
+
+ u = pos->uNonPawnMaterial[ufColor];
+ ASSERT(u >= VALUE_KING);
+ if (u < DO_KING_SAFETY_THRESHOLD)
+ {
+ u = 0;
+ ASSERT(g_iQKDeltas[u] != 0);
+ do
+ {
+ cSquare = c + g_iQKDeltas[u];
+ if (IS_ON_BOARD(cSquare))
+ {
+ pos->rgSquare[cSquare|8].bvAttacks[uColor].small.uKing = 1;
+ }
+ u++;
+ }
+ while(g_iQKDeltas[u] != 0);
+ goto skip_safety;
+ }
+
+ // Prepare to do king safety
+ uCounter = (u >= KEEP_KING_AT_HOME_THRESHOLD) *
+ KING_INITIAL_COUNTER_BY_LOCATION[uColor][c];
+#ifdef EVAL_DUMP
+ Trace("%s Initial KS Counter: %u\n", COLOR_NAME(uColor), uCounter);
+#endif
+
+ uCounter += pos->uPiecesPointingAtKing[uColor] / 2;
+#ifdef EVAL_DUMP
+ Trace("%s KS Counter after pieces pointing: %u\n",
+ COLOR_NAME(uColor), uCounter);
+#endif
+ uFlightSquares = 0;
+ u = 0;
+ ASSERT(KingSafetyDeltas[u] != 0);
+ do
+ {
+ cSquare = c + KingSafetyDeltas[u];
+ if (IS_ON_BOARD(cSquare))
+ {
+ p = pos->rgSquare[cSquare].pPiece;
+
+ cSquare |= 8;
+ bvAttack = pos->rgSquare[cSquare].bvAttacks[ufColor].uSmall;
+ bvXray = pos->rgSquare[cSquare].bvAttacks[ufColor].uXray;
+ pos->rgSquare[cSquare].bvAttacks[uColor].small.uKing = 1;
+ bvDefend = pos->rgSquare[cSquare].bvAttacks[uColor].uSmall;
+
+ if (bvAttack != 0)
+ {
+ bvPattern |= (bvAttack | bvXray);
+ if (bvXray || (bvAttack & (bvAttack - 1)))
+ {
+ bvDefend &= ~8;
+ }
+ if (IS_EMPTY(p))
+ {
+ ASSERT(u < 11);
+ uCounter += EmptyAttackedSquare[uColor][u];
+ }
+ else
+ {
+ uCounter +=
+ OccupiedAttackedSquare[OPPOSITE_COLORS(p, uColor)];
+ }
+ uCounter += (bvDefend == 0);
+ }
+ else
+ {
+ uCounter += (bvXray != 0);
+ ASSERT(u < 11);
+ uCounter += EmptyUnattackedSquare[uColor][u];
+ ASSERT((IS_EMPTY(p) == 0) || (IS_EMPTY(p) == 1));
+ uFlightSquares += ((IS_EMPTY(p)) && (u < 8));
+ }
+ }
+ u++;
+ }
+ while(KingSafetyDeltas[u] != 0);
+#ifdef EVAL_DUMP
+ Trace("%s KS Counter post-squares: %u\n", COLOR_NAME(uColor), uCounter);
+#endif
+
+ if (IS_ON_BOARD(c - 1))
+ {
+ u = FILE(c - 1) + 1;
+ v = (pHash->uCountPerFile[WHITE][u] > 0) +
+ (pHash->uCountPerFile[BLACK][u] > 0);
+ ASSERT((v >= 0) && (v <= 2));
+
+ // Note: open rook files are worse than open interior files
+ uCounter += (KingFileDefects[v] + ((v < 2) && ((u == 1) || (u == 8))));
+
+ bb = pHash->bbPawnLocations[ufColor] & BBFILE[u - 1];
+ if (bb)
+ {
+ if (uColor == WHITE)
+ {
+ cSquare = CoorFromBitBoardRank1ToRank8(&bb);
+ }
+ else
+ {
+ cSquare = CoorFromBitBoardRank8ToRank1(&bb);
+ }
+ ASSERT(IS_ON_BOARD(cSquare));
+ uCounter += KingStormingPawnDefects[DISTANCE(cSquare, c)];
+ }
+ }
+
+ u = FILE(c) + 1;
+ v = (pHash->uCountPerFile[WHITE][u] > 0) +
+ (pHash->uCountPerFile[BLACK][u] > 0);
+ ASSERT((v >= 0) && (v <= 2));
+
+ // Note: open rook files are worse than open interior files
+ uCounter += (KingFileDefects[v] + ((v < 2) && ((u == 1) || (u == 8))));
+ bb = pHash->bbPawnLocations[ufColor] & BBFILE[u - 1];
+ if (bb)
+ {
+ if (uColor == WHITE)
+ {
+ cSquare = CoorFromBitBoardRank1ToRank8(&bb);
+ }
+ else
+ {
+ cSquare = CoorFromBitBoardRank8ToRank1(&bb);
+ }
+ ASSERT(IS_ON_BOARD(cSquare));
+ uCounter += KingStormingPawnDefects[DISTANCE(cSquare, c)];
+ }
+
+ if (IS_ON_BOARD(c + 1))
+ {
+ ASSERT((FILE(c + 1) + 1) == (u + 1));
+ u += 1;
+ v = (pHash->uCountPerFile[WHITE][u] > 0) +
+ (pHash->uCountPerFile[BLACK][u] > 0);
+ ASSERT((v >= 0) && (v <= 2));
+
+ // Note: open rook files are worse than open interior files
+ uCounter += (KingFileDefects[v] + ((v < 2) && ((u == 1) || (u == 8))));
+
+ bb = pHash->bbPawnLocations[ufColor] & BBFILE[u - 1];
+ if (bb)
+ {
+ if (uColor == WHITE)
+ {
+ cSquare = CoorFromBitBoardRank1ToRank8(&bb);
+ }
+ else
+ {
+ cSquare = CoorFromBitBoardRank8ToRank1(&bb);
+ }
+ ASSERT(IS_ON_BOARD(cSquare));
+ uCounter += KingStormingPawnDefects[DISTANCE(cSquare, c)];
+ }
+ }
+#ifdef EVAL_DUMP
+ Trace("%s KS Counter post-open file/stormers: %u\n", COLOR_NAME(uColor),
+ uCounter);
+#endif
+
+ bvPattern >>= 3;
+ ASSERT(bvPattern >= 0);
+ ASSERT(bvPattern < 32);
+ v = KING_COUNTER_BY_ATTACK_PATTERN[bvPattern];
+ uCounter += v;
+#ifdef EVAL_DUMP
+ Trace("%s KS Counter post-attack pattern: %u\n", COLOR_NAME(uColor),
+ uCounter);
+#endif
+
+ ASSERT(uFlightSquares <= 8);
+ uCounter += KingFlightDefects[uFlightSquares] * (v > 1);
+#ifdef EVAL_DUMP
+ Trace("%s KS Counter post-flight sq: %u\n", COLOR_NAME(uColor), uCounter);
+#endif
+
+ //
+ // Note: can't use pos->iReducedMaterialDownScaler here because we
+ // are scaling it based on the _other_ side's material.
+ //
+ uCounter = MINU(uCounter, 41);
+ i = KING_SAFETY_BY_COUNTER[uCounter];
+ i *= REDUCED_MATERIAL_DOWN_SCALER[pos->uArmyScaler[ufColor]];
+ i /= 8;
+ EVAL_TERM(uColor,
+ KING,
+ c,
+ iKingScore,
+ i,
+ "king safety");
+
+ //
+ // Bonus for castling / penalty for loss of castle. Also, if side has
+ // not yet castled, be concerned with undeveloped minor pieces.
+ //
+ if (FALSE == pos->fCastled[uColor])
+ {
+ if (pos->uNonPawnCount[uColor][0] > 4)
+ {
+ ASSERT(pos->uMinorsAtHome[uColor] <= 4);
+ EVAL_TERM(uColor,
+ 0,
+ ILLEGAL_COOR,
+ pos->iScore[uColor],
+ UNDEVELOPED_MINORS_IN_OPENING[pos->uMinorsAtHome[uColor]],
+ "development");
+ if (uColor == BLACK)
+ {
+ EVAL_TERM(BLACK,
+ KING,
+ c,
+ iKingScore,
+ (KING_MISSING_ONE_CASTLE_OPTION *
+ ((CASTLE_BLACK_SHORT & pos->bvCastleInfo) == 0)),
+ "can't castle short");
+ EVAL_TERM(BLACK,
+ KING,
+ c,
+ iKingScore,
+ (KING_MISSING_ONE_CASTLE_OPTION *
+ ((CASTLE_BLACK_LONG & pos->bvCastleInfo) == 0)),
+ "can't castle long");
+ }
+ else
+ {
+ ASSERT(uColor == WHITE);
+ EVAL_TERM(WHITE,
+ KING,
+ c,
+ iKingScore,
+ (KING_MISSING_ONE_CASTLE_OPTION *
+ ((CASTLE_WHITE_SHORT & pos->bvCastleInfo) == 0)),
+ "can't castle short");
+ EVAL_TERM(WHITE,
+ KING,
+ c,
+ iKingScore,
+ (KING_MISSING_ONE_CASTLE_OPTION *
+ ((CASTLE_WHITE_LONG & pos->bvCastleInfo) == 0)),
+ "can't castle long");
+ }
+ }
+ }
+
+ skip_safety:
+ //
+ // Special code for kings in the endgame
+ //
+ u = pos->uNonPawnCount[WHITE][0] + pos->uNonPawnCount[BLACK][0];
+ if (u < 8)
+ {
+ //
+ // Encourage kings to come to the center
+ //
+ i = KING_TO_CENTER[c];
+ EVAL_TERM(uColor,
+ KING,
+ c,
+ iKingScore,
+ i,
+ "centralize king");
+
+ //
+ // Kings in front of passers in the late endgame are strong...
+ //
+ cSquare = FILE(c);
+ bb = pHash->bbPasserLocations[uColor] &
+ (BBADJACENT_FILES[cSquare] | BBFILE[cSquare]);
+ if (bb)
+ {
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ if (DISTANCE(cSquare, c) == 1)
+ {
+ ASSERT(abs((INT)FILE(c) - (INT)FILE(cSquare)) <= 1);
+ ASSERT(abs((INT)RANK(c) - (INT)RANK(cSquare)) <= 1);
+
+ i = 2;
+ i += SUPPORTED_PASSER_BY_RANK[uColor][RANK(cSquare)];
+ switch(uColor)
+ {
+ case WHITE:
+ i += 8 * (c < (cSquare - 1));
+ break;
+
+ case BLACK:
+ i += 8 * (c > (cSquare + 1));
+ break;
+ }
+ EVAL_TERM(uColor,
+ KING,
+ c,
+ iKingScore,
+ i,
+ "supporting own passer");
+ }
+ }
+ }
+
+ //
+ // Detect kings way out of the action in KP endgames:
+ //
+ // 8/8/1p6/p6k/P3K3/8/1P6/8 w - - 0 11
+ //
+ if ((u == 2) && (uColor == WHITE))
+ {
+ i = 0;
+ bb = (pHash->bbPawnLocations[WHITE] |
+ pHash->bbPawnLocations[BLACK]);
+ while(IS_ON_BOARD(cSquare = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ i += (DISTANCE(cSquare, pos->cNonPawns[BLACK][0]) -
+ DISTANCE(cSquare, pos->cNonPawns[WHITE][0]));
+ }
+ EVAL_TERM(WHITE,
+ KING,
+ c,
+ iKingScore,
+ i * 12,
+ "in/out of \"action\"");
+ }
+ }
+ pos->iScore[uColor] += iKingScore;
+ pos->iTempScore = iKingScore;
+}
+
+
+FLAG
+EvalPasserRaces(IN OUT POSITION *pos,
+ IN PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+ Determine if one side has a pawn that is unstoppable.
+
+ This is broken for positions like:
+
+Parameters:
+
+ POSITION *pos,
+ PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ void
+
+**/
+{
+ BITBOARD bb[2];
+ ULONG uColor;
+ int d1;
+ COOR cQueen;
+ COOR cKing, c;
+ ULONG uKingDist, uPawnDist, uFriendDist;
+ ULONG uRacerDist[2] = { 99, 99 };
+ FLAG fDontCountMeOut[2] = { ((RANK(pos->cNonPawns[BLACK][0]) <= 3) &&
+ (pos->uPawnCount[BLACK] != 0)),
+ ((RANK(pos->cNonPawns[WHITE][0]) >= 6) &&
+ (pos->uPawnCount[WHITE] != 0)) };
+ bb[BLACK] = pHash->bbPasserLocations[BLACK];
+ bb[WHITE] = pHash->bbPasserLocations[WHITE];
+ if (!(bb[BLACK] | bb[WHITE]))
+ {
+ return(FALSE);
+ }
+ ASSERT((pos->uNonPawnCount[WHITE][0] == 1) ||
+ (pos->uNonPawnCount[BLACK][0] == 1))
+ FOREACH_COLOR(uColor)
+ {
+ if (pos->uNonPawnCount[FLIP(uColor)][0] == 1)
+ {
+ d1 = 16 * g_iAhead[uColor];
+ ASSERT((d1 * 2) == (32 * g_iAhead[uColor]));
+ if (bb[uColor])
+ {
+ while(IS_ON_BOARD(c = CoorFromBitBoardRank8ToRank1(
+ &(bb[uColor]))))
+ {
+ // If the enemy king can take this passer and is
+ // on the move, all bets are off!
+ cKing = pos->cNonPawns[FLIP(uColor)][0];
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cKing].pPiece) != uColor);
+ if (pos->uToMove == FLIP(uColor) &&
+ (DISTANCE(cKing, c) == 1))
+ {
+ // TODO: something clever here about protected pawns
+ continue;
+ }
+
+ cQueen = FILE_RANK_TO_COOR(FILE(c), QUEENING_RANK[uColor]);
+ ASSERT(FILE(cQueen) == FILE(c));
+ uPawnDist = RANK_DISTANCE(cQueen, c);
+ if ((RANK(c) == JUMPING_RANK[uColor]) &&
+ (IS_EMPTY(pos->rgSquare[c + d1].pPiece) &&
+ IS_EMPTY(pos->rgSquare[c + d1 * 2].pPiece)))
+ {
+ uPawnDist--;
+ }
+ ASSERT((uPawnDist >= 1) && (uPawnDist <= 6));
+
+ uKingDist = DISTANCE(cKing, cQueen);
+ if (uKingDist > 0)
+ {
+ uKingDist -= (pos->uToMove == FLIP(uColor));
+ }
+ ASSERT((uKingDist >= 0) && (uPawnDist <= 7));
+
+ if (uPawnDist < uKingDist)
+ {
+ uRacerDist[uColor] = MINU(uRacerDist[uColor],
+ uPawnDist);
+ }
+
+ cKing = pos->cNonPawns[uColor][0];
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cKing].pPiece) == uColor);
+
+ uFriendDist = DISTANCE(cKing, cQueen);
+ if ((uFriendDist <= 1) && (DISTANCE(cKing, c) <= 1))
+ {
+ if (FILE(c) != FILE(cKing))
+ {
+ uRacerDist[uColor] = MINU(uRacerDist[uColor],
+ uPawnDist);
+ }
+ else if ((FILE(cKing) != A) &&
+ (FILE(cKing) != H))
+ {
+ uRacerDist[uColor] = MINU(uRacerDist[uColor],
+ (uPawnDist + 1));
+ }
+ }
+ fDontCountMeOut[uColor] = TRUE;
+
+ //
+ // TODO: winning connected passers
+ //
+ }
+ }
+ }
+ }
+
+ if ((uRacerDist[WHITE] < uRacerDist[BLACK]) &&
+ (FALSE == fDontCountMeOut[BLACK]))
+ {
+ EVAL_TERM(WHITE,
+ PAWN,
+ ILLEGAL_COOR,
+ pos->iScore[WHITE],
+ RACER_WINS_RACE - uRacerDist[WHITE] * 4,
+ "winning racer pawn");
+ return(TRUE);
+ }
+ else if ((uRacerDist[BLACK] < uRacerDist[WHITE]) &&
+ (FALSE == fDontCountMeOut[WHITE]))
+ {
+ EVAL_TERM(BLACK,
+ PAWN,
+ ILLEGAL_COOR,
+ pos->iScore[BLACK],
+ RACER_WINS_RACE - uRacerDist[BLACK] * 4,
+ "winning racer pawn");
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+static void
+_EvalPassers(IN OUT POSITION *pos,
+ IN PAWN_HASH_ENTRY *pHash)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ PAWN_HASH_ENTRY *pHash,
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ ULONG uColor;
+ COOR c;
+ COOR cSquare;
+ BITBOARD bb;
+ PIECE p;
+ SCORE i;
+ ULONG uNumPassers[2] = { 0, 0 };
+ int d1;
+
+ ASSERT(pHash->bbPasserLocations[WHITE] |
+ pHash->bbPasserLocations[BLACK]);
+
+ FOREACH_COLOR(uColor)
+ {
+ bb = pHash->bbPasserLocations[uColor];
+ if (bb != 0)
+ {
+ uNumPassers[uColor] = CountBits(bb);
+ ASSERT(uNumPassers[uColor] > 0);
+ d1 = 16 * g_iAhead[uColor];
+ ASSERT((d1 * 2) == (32 * g_iAhead[uColor]));
+
+ while(IS_ON_BOARD(c = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ //
+ // Consider the control of the square in front of the passer
+ //
+ cSquare = c + d1;
+ ASSERT(IS_ON_BOARD(cSquare));
+ u = _WhoControlsSquareFast(pos, cSquare);
+ if (u == FLIP(uColor))
+ {
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pos->iScore[uColor],
+ -((PASSER_BY_RANK[uColor][RANK(c)] / 4) +
+ (PASSER_BY_RANK[uColor][RANK(c)] / 16)),
+ "enemy controls sq ahead");
+ }
+ else if (u == (ULONG)-1)
+ {
+ p = pos->rgSquare[cSquare].pPiece;
+ if (!IS_EMPTY(p) && (OPPOSITE_COLORS(p, uColor)))
+ {
+ ASSERT(GET_COLOR(p) != uColor);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pos->iScore[uColor],
+ -(PASSER_BY_RANK[uColor][RANK(c)] / 4),
+ "enemy occupies sq ahead");
+ }
+ }
+#ifdef DEBUG
+ else
+ {
+ ASSERT(u == uColor);
+ }
+#endif
+
+ //
+ // Consider distance from friend king / enemy king
+ //
+ i = (8 - DISTANCE(c, pos->cNonPawns[uColor][0]));
+ if (((uColor == WHITE) &&
+ ((pos->cNonPawns[BLACK][0] >> 4) <= (c >> 4))) ||
+ ((uColor == BLACK) &&
+ ((pos->cNonPawns[WHITE][0] >> 4) >= (c >> 4)))) {
+ //
+ // The enemy king is ahead of the passer
+ //
+ i += FILE_DISTANCE(c, pos->cNonPawns[FLIP(uColor)][0]) * 4;
+ }
+ else
+ {
+ //
+ // The enemy king is behind the passer
+ //
+ i += 10 + DISTANCE(c, pos->cNonPawns[FLIP(uColor)][0]) * 4;
+ }
+ i *= PASSER_MATERIAL_UP_SCALER[pos->uArmyScaler[FLIP(uColor)]];
+ i /= 8;
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pos->iScore[uColor],
+ i,
+ "passer distance to kings");
+
+ //
+ // If a side is a piece down then the other side's passers
+ // are even more dangerous.
+ //
+ if (pos->uNonPawnCount[uColor][0] >
+ pos->uNonPawnCount[FLIP(uColor)][0])
+ {
+ i = (PASSER_BY_RANK[uColor][RANK(c)] / 2);
+ EVAL_TERM(uColor,
+ PAWN,
+ c,
+ pos->iScore[uColor],
+ i,
+ "passer and piece up");
+ }
+
+ //
+ // TODO: For connected passers vs KR, consult the oracle
+ //
+ }
+ }
+ }
+
+ //
+ // Game stage bonus
+ //
+ u = pos->uArmyScaler[BLACK];
+ EVAL_TERM(WHITE,
+ PAWN,
+ ILLEGAL_COOR,
+ pos->iScore[WHITE],
+ uNumPassers[WHITE] * PASSER_BONUS_AS_MATERIAL_COMES_OFF[u],
+ "passer value material");
+ ASSERT(PASSER_BONUS_AS_MATERIAL_COMES_OFF[u] >= 0);
+ u = pos->uArmyScaler[WHITE];
+ EVAL_TERM(BLACK,
+ PAWN,
+ ILLEGAL_COOR,
+ pos->iScore[BLACK],
+ uNumPassers[BLACK] * PASSER_BONUS_AS_MATERIAL_COMES_OFF[u],
+ "passer value material");
+ ASSERT(PASSER_BONUS_AS_MATERIAL_COMES_OFF[u] >= 0);
+}
+
+
+static void
+_EvalBadTrades(IN OUT POSITION *pos)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uAhead, uBehind;
+ ULONG uMagnitude;
+
+ //
+ // See who is ahead
+ //
+ ASSERT(pos->uNonPawnMaterial[WHITE] != pos->uNonPawnMaterial[BLACK]);
+ uAhead = (pos->uNonPawnMaterial[WHITE] > pos->uNonPawnMaterial[BLACK]);
+ uBehind = FLIP(uAhead);
+#ifdef DEBUG
+ if (pos->uNonPawnMaterial[WHITE] > pos->uNonPawnMaterial[BLACK])
+ {
+ ASSERT(uAhead == WHITE);
+ ASSERT(uBehind == BLACK);
+ }
+ else
+ {
+ ASSERT(pos->uNonPawnMaterial[BLACK] > pos->uNonPawnMaterial[WHITE]);
+ ASSERT(uAhead == BLACK);
+ ASSERT(uBehind == WHITE);
+ }
+#endif
+ uMagnitude = ((pos->uNonPawnMaterial[uAhead] +
+ pos->uNonPawnCount[uAhead][0] * 128) -
+ (pos->uNonPawnMaterial[uBehind] +
+ pos->uNonPawnCount[uBehind][0] * 128));
+ uMagnitude /= 128;
+ uMagnitude -= (uMagnitude != 0);
+ ASSERT(!(uMagnitude & 0x80000000));
+ uMagnitude = MINU(2, uMagnitude);
+ ASSERT(uMagnitude <= 2);
+
+ //
+ // Encourage the side that is ahead in piece material to continue
+ // trading pieces and not to trade pawns. This also has the
+ // effect of making the side that is behind in material want to
+ // trade pawns and not pieces. This also gives the side that is
+ // ahead a bit of a "bad trade" bonus. Note that the bonus is not
+ // given if the side "ahead" has no pawns; this is so that the
+ // engine will not like positions like KNB vs KRP - the side with
+ // the pawn has the winning chances.
+ //
+ EVAL_TERM(uAhead,
+ 0,
+ ILLEGAL_COOR,
+ pos->iScore[uAhead],
+ ((pos->uPawnCount[uAhead] != 0) *
+ TRADE_PIECES[uMagnitude][pos->uNonPawnCount[uBehind][0]]),
+ "trade pieces");
+ ASSERT(TRADE_PIECES[uMagnitude][pos->uNonPawnCount[uBehind][0]] > 0);
+ EVAL_TERM(uAhead,
+ 0,
+ ILLEGAL_COOR,
+ pos->iScore[uAhead],
+ DONT_TRADE_PAWNS[uMagnitude][pos->uPawnCount[uAhead]],
+ "don't trade pawns");
+}
+
+static void
+_EvalLookForDanger(IN OUT SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ This routine looks for squares on the board where the side to move
+ has a piece that is en prise. So far in eval we will have tagged
+ pieces in situations where they are attacked by lesser-valued
+ enemy pieces as "in danger". However, because of the order in
+ which the attack table was generated, we will have missed
+ situations where a piece is undefended (or underdefended) and
+ attacked by an enemy piece that is the same (or greater) value.
+
+ Note: This routine only considers side to move.
+
+ Also Note: this routine does not find pawns that are en prise, only
+ pieces.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ ULONG u;
+ POSITION *pos = &ctx->sPosition;
+ ULONG uSide = pos->uToMove;
+#ifdef DEBUG
+ PIECE p;
+#endif
+
+ for (u = 1;
+ u < pos->uNonPawnCount[uSide][0];
+ u++)
+ {
+ c = pos->cNonPawns[uSide][u];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p);
+ ASSERT(GET_COLOR(p) == uSide);
+ ASSERT(!IS_PAWN(p));
+#endif
+ if (_WhoControlsSquareFast(pos, c) == FLIP(uSide))
+ {
+ StoreEnprisePiece(pos, c);
+ }
+ }
+}
+
+
+static void
+_EvalTrappedPieces(IN OUT SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ static void
+
+**/
+{
+ COOR c;
+ ULONG uColor;
+ POSITION *pos = &ctx->sPosition;
+#ifdef DEBUG
+ PIECE p;
+#endif
+
+ FOREACH_COLOR(uColor)
+ {
+ c = pos->cTrapped[uColor];
+ if (IS_ON_BOARD(c))
+ {
+ if (_WhoControlsSquareFast(pos, c) == FLIP(uColor))
+ {
+#ifdef DEBUG
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p);
+ ASSERT(!IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == uColor);
+#endif
+ if (OPPOSITE_COLORS(uColor, pos->uToMove))
+ {
+ StoreEnprisePiece(pos, c);
+ }
+ else
+ {
+ StoreTrappedPiece(pos, c);
+ }
+ }
+ }
+ }
+}
+
+
+static void
+_EvalBishopPairs(IN POSITION *pos)
+/*++
+
+Routine description:
+
+ Give a bonus to sides that have a viable bishop pair based; scale
+ the bonus by the number of pawns remaining on the board.
+
+Parameters:
+
+ IN POSITION *pos - position
+
+Return value:
+
+ static void
+
+--*/
+{
+ ULONG uPawnSum = pos->uPawnCount[WHITE] + pos->uPawnCount[BLACK];
+ FLAG fPair;
+ ULONG uBishopCount = pos->uNonPawnCount[BLACK][BISHOP];
+ ULONG uWhiteSqBishopCount = pos->uWhiteSqBishopCount[BLACK];
+ ASSERT(uPawnSum <= 16);
+ ASSERT(uBishopCount <= 10);
+ ASSERT(uWhiteSqBishopCount <= 10);
+ fPair = ((uBishopCount > 1) &
+ (uWhiteSqBishopCount != 0) &
+ (uWhiteSqBishopCount != uBishopCount));
+ EVAL_TERM(BLACK,
+ 0,
+ ILLEGAL_COOR,
+ pos->iScore[BLACK],
+ BISHOP_PAIR[fPair][uPawnSum],
+ "bishop pair");
+ uBishopCount = pos->uNonPawnCount[WHITE][BISHOP];
+ uWhiteSqBishopCount = pos->uWhiteSqBishopCount[WHITE];
+ ASSERT(uBishopCount <= 10);
+ ASSERT(uWhiteSqBishopCount <= 10);
+ fPair = ((uBishopCount > 1) &
+ (uWhiteSqBishopCount != 0) &
+ (uWhiteSqBishopCount != uBishopCount));
+ EVAL_TERM(WHITE,
+ 0,
+ ILLEGAL_COOR,
+ pos->iScore[WHITE],
+ BISHOP_PAIR[fPair][uPawnSum],
+ "bishop pair");
+}
+
+
+
+SCORE
+Eval(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta)
+/**
+
+Routine description:
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+
+Return value:
+
+ SCORE
+
+**/
+{
+ static const PEVAL_HELPER JumpTable[] =
+ {
+ _InvalidEvaluator, // EMPTY_SQUARE (0)
+ _InvalidEvaluator, // INVALID_PIECE (1)
+ _InvalidEvaluator, // BLACK_PAWN (2)
+ _InvalidEvaluator, // WHITE_PAWN (3)
+ _EvalKnight, // BLACK_KNIGHT (4)
+ _EvalKnight, // WHITE_KNIGHT (5)
+ _EvalBishop, // BLACK_BISHOP (6)
+ _EvalBishop, // WHITE_BISHOP (7)
+ _InvalidEvaluator, // BLACK_ROOK (8)
+ _InvalidEvaluator, // WHITE_ROOK (9)
+ _InvalidEvaluator, // BLACK_QUEEN (10)
+ _InvalidEvaluator, // WHITE_QUEEN (11)
+ _InvalidEvaluator, // BLACK_KING (12)
+ _InvalidEvaluator // WHITE_KING (13)
+ };
+ ULONG uDefer[2][2];
+ COOR cDefer[2][2][10];
+ POSITION *pos = &(ctx->sPosition);
+ SCORE iScoreForSideToMove;
+ SCORE iAlphaMargin, iBetaMargin;
+ PAWN_HASH_ENTRY *pHash;
+ COOR c;
+ PIECE p;
+ ULONG u;
+ ULONG uColor;
+ BITBOARD bb;
+ FLAG fDeferred;
+#ifdef EVAL_TIME
+ UINT64 uTimer = SystemReadTimeStampCounter();
+#endif
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT((pos->iMaterialBalance[WHITE] * -1) ==
+ pos->iMaterialBalance[BLACK]);
+ // ASSERT(!InCheck(pos, pos->uToMove));
+
+ pos->uMinMobility[BLACK] = pos->uMinMobility[WHITE] = 100;
+ pos->cTrapped[BLACK] = pos->cTrapped[WHITE] = ILLEGAL_COOR;
+
+#ifdef EVAL_HASH
+ //
+ // Check the eval hash
+ //
+ iScoreForSideToMove = ProbeEvalHash(ctx);
+ if (iScoreForSideToMove != INVALID_SCORE)
+ {
+ INC(ctx->sCounters.tree.u64EvalHashHits);
+ goto end;
+ }
+#endif
+
+ pos->iScore[BLACK] =
+ (pos->uPawnMaterial[BLACK] + pos->uNonPawnMaterial[BLACK]);
+ pos->iScore[WHITE] =
+ (pos->uPawnMaterial[WHITE] + pos->uNonPawnMaterial[WHITE]);
+#ifdef EVAL_DUMP
+ EvalTraceClear();
+ Trace("Material:\n%d\t\t%d\n", pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+
+ //
+ // Pawn eval. Note: if fDeferred comes back as TRUE then we have
+ // neither cleared nor initialized the attack tables. This is
+ // because we hope that we can get a lazy eval cutoff here and
+ // save some time. BEFORE ANY CODE BELOW TOUCHES THE ATTACK
+ // TABLES IT NEEDS TO CLEAR/POPULATE THEM THOUGH!!!
+ //
+ pHash = _EvalPawns(ctx, &fDeferred);
+ ASSERT(NULL != pHash);
+ ASSERT(IS_VALID_FLAG(fDeferred));
+ pos->iScore[WHITE] += pHash->iScore[WHITE];
+ pos->iScore[BLACK] += pHash->iScore[BLACK];
+ ASSERT(IS_VALID_SCORE(pos->iScore[WHITE] - pos->iScore[BLACK]));
+#ifdef EVAL_DUMP
+ Trace("After pawns:\n%d\t\t%d\n", pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+
+ //
+ // Look for won passers races. Note: This code cannot trust the
+ // state of the attack tables yet!
+ //
+ if ((pos->uNonPawnCount[WHITE][0] == 1) ||
+ (pos->uNonPawnCount[BLACK][0] == 1))
+ {
+ (void)EvalPasserRaces(pos, pHash);
+#ifdef EVAL_DUMP
+ Trace("After passer races:\n%d\t\t%d\n", pos->iScore[WHITE],
+ pos->iScore[BLACK]);
+#endif
+ }
+
+ //
+ // Bad trade code. Right. Note: this code cannot trust the state
+ // of the attack tables...
+ //
+ if (pos->uNonPawnMaterial[WHITE] != pos->uNonPawnMaterial[BLACK])
+ {
+ _EvalBadTrades(pos);
+#ifdef EVAL_DUMP
+ Trace("After bad trades:\n%d\t\t%d\n", pos->iScore[WHITE],
+ pos->iScore[BLACK]);
+#endif
+ }
+
+ //
+ // Bishop pairs. Again... Note: this code cannot trust the state
+ // of the attack tables.
+ //
+ _EvalBishopPairs(pos);
+#ifdef EVAL_DUMP
+ Trace("After bishop pair bonus:\n%d\t\t%d\n", pos->iScore[WHITE],
+ pos->iScore[BLACK]);
+#endif
+
+#ifdef LAZY_EVAL
+ //
+ // Compute an estimate of the score for the side to move based on the
+ // eval terms we have already considered:
+ //
+ // 1. Material balance
+ // 2. Pawn structure bonuses/penalties (incl passers/candidates)
+ // 3. Passer races are detected already
+ // 4. "Bad trade" code has already run
+ // 5. We've already detected unwinnable endgames
+ // 6. Bishop pairs
+ //
+ iScoreForSideToMove = (pos->iScore[pos->uToMove] -
+ pos->iScore[FLIP(pos->uToMove)]);
+ ASSERT(IS_VALID_SCORE(iScoreForSideToMove));
+
+ //
+ // Eval has not considered several potentially large terms:
+ //
+ // 1. Piece positional components (such as mobility, trapped)
+ // 2. King safety penalties
+ // 3. Other miscellaneous bonuses/penalties
+ //
+ // We build two "margins" to account for these components of the
+ // score.
+ //
+ iAlphaMargin = iBetaMargin = (50 + (SCORE)ctx->uPositional);
+
+ //
+ // If (score + alpha_margin) is already > alpha -OR-
+ // (score - beta_margin) is already < beta
+ //
+ // ...then we can stop thinking about lazy eval; the rest of the
+ // computation only increases the margin so we know LE will fail
+ // and can save some work here.
+ //
+ if ((iScoreForSideToMove + iAlphaMargin < iAlpha) ||
+ (iScoreForSideToMove - iBetaMargin > iBeta))
+ {
+ //
+ // Ok, we can't say for sure that we won't take a lazy exit
+ // yet. So do the expensive part of lazy eval estimation and
+ // widen the margin further for king safety issues and passed
+ // pawns.
+ //
+ _QuicklyEstimateKingSafetyTerm(pos, &iAlphaMargin, &iBetaMargin);
+ _QuicklyEstimatePasserBonuses(pos, pHash, &iAlphaMargin, &iBetaMargin);
+
+ if ((iScoreForSideToMove + iAlphaMargin <= iAlpha) ||
+ (iScoreForSideToMove - iBetaMargin >= iBeta))
+ {
+ ctx->uPositional = MINU(200, ctx->uPositional);
+ INC(ctx->sCounters.tree.u64LazyEvals);
+ goto end;
+ }
+ }
+#endif
+
+ //
+ // If we have to clear/populate the attack table, do it now that
+ // we know we aren't taking a lazy exit.
+ //
+ if (TRUE == fDeferred)
+ {
+ _PopulatePawnAttackBits(pos);
+ }
+
+ //
+ // Pre-compute some common terms used in per-piece evals:
+ //
+ // This is a scaler based on the size of the army for each side.
+ //
+ pos->uArmyScaler[BLACK] = pos->uNonPawnMaterial[BLACK] - VALUE_KING;
+ pos->uArmyScaler[WHITE] = pos->uNonPawnMaterial[WHITE] - VALUE_KING;
+ pos->uArmyScaler[BLACK] /= VALUE_PAWN;
+ pos->uArmyScaler[WHITE] /= VALUE_PAWN;
+ ASSERT(!(pos->uArmyScaler[BLACK] & 0x80000000));
+ ASSERT(!(pos->uArmyScaler[WHITE] & 0x80000000));
+ pos->uArmyScaler[BLACK] = MINU(31, pos->uArmyScaler[BLACK]);
+ pos->uArmyScaler[WHITE] = MINU(31, pos->uArmyScaler[WHITE]);
+ ASSERT(pos->uArmyScaler[BLACK] >= 0);
+ ASSERT(pos->uArmyScaler[BLACK] <= 31);
+ ASSERT(pos->uArmyScaler[WHITE] >= 0);
+ ASSERT(pos->uArmyScaler[WHITE] <= 31);
+ pos->iReducedMaterialDownScaler[BLACK] =
+ pos->iReducedMaterialDownScaler[WHITE] = 0;
+
+ //
+ // This is a "position is closed|open" number.
+ //
+ pos->uClosedScaler = (pos->uPawnCount[WHITE] + pos->uPawnCount[BLACK]) -
+ (pHash->uNumUnmovedPawns[WHITE] + pHash->uNumUnmovedPawns[BLACK]) +
+ (pHash->uNumRammedPawns);
+ ASSERT(pos->uClosedScaler >= 0);
+ ASSERT(pos->uClosedScaler <= 32);
+
+ //
+ // Evaluate individual pieces.
+ //
+ pos->uMinorsAtHome[BLACK] = pos->uMinorsAtHome[WHITE] = 0;
+ uDefer[BLACK][0] = uDefer[BLACK][1] =
+ uDefer[WHITE][0] = uDefer[WHITE][1] = 0;
+ uColor = pos->uToMove;
+ for (u = 1; // skips the king
+ u < pos->uNonPawnCount[uColor][0];
+ u++)
+ {
+ c = pos->cNonPawns[uColor][u];
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(IS_VALID_PIECE(p));
+ ASSERT(GET_COLOR(p) == uColor);
+ ASSERT(!IS_PAWN(p) && !IS_KING(p));
+
+ if (p & 0x4)
+ {
+ ASSERT(IS_BISHOP(p) || IS_KNIGHT(p));
+
+ //
+ // Note: The side on move's pieces of value X are
+ // evaluated and have their mobility counted and added to
+ // the attack table before the other side's pieces. Also,
+ // we do not care if JumpTable tells us this piece is in
+ // danger b/c we will find out later on in
+ // EvalLookForDanger anyway.
+ //
+ ASSERT(JumpTable[p]);
+ (void)(JumpTable[p])(pos, c, pHash);
+#ifdef EVAL_DUMP
+ Trace("After %s:\n%d\t\t%d\n", PieceAbbrev(p),
+ pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+ }
+ else
+ {
+ ASSERT(IS_ROOK(p) || IS_QUEEN(p));
+ cDefer[uColor][IS_QUEEN(p)][uDefer[uColor][IS_QUEEN(p)]++] = c;
+ }
+ }
+
+ uColor = FLIP(uColor);
+ ASSERT(uColor != pos->uToMove);
+ for (u = 1;
+ u < pos->uNonPawnCount[uColor][0];
+ u++)
+ {
+ c = pos->cNonPawns[uColor][u];
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(IS_VALID_PIECE(p));
+ ASSERT(GET_COLOR(p) == uColor);
+ ASSERT(!IS_PAWN(p) && !IS_KING(p));
+ if (p & 0x4)
+ {
+ //
+ // This time we are evaluating a piece from the side not
+ // on move. We will not go back later and look at this
+ // piece again so if JumpTable tells us it's in danger
+ // then record it. The drawback, of course, is that the
+ // JumpTable routines only detect danger if a piece is
+ // attacked by an enemy of lesser value!
+ //
+ ASSERT(JumpTable[p]);
+ (void)(JumpTable[p])(pos, c, pHash);
+#ifdef EVAL_DUMP
+ Trace("After %s:\n%d\t\t%d\n", PieceAbbrev(p),
+ pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+ }
+ else
+ {
+ ASSERT(IS_ROOK(p) || IS_QUEEN(p));
+ cDefer[uColor][IS_QUEEN(p)][uDefer[uColor][IS_QUEEN(p)]++] = c;
+ }
+ }
+
+ //
+ // Evaluate any rook(s) for side on move then for side not on move.
+ //
+ uColor = FLIP(uColor);
+ for (u = 0;
+ u < uDefer[uColor][0];
+ u++)
+ {
+ c = cDefer[uColor][0][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ROOK(pos->rgSquare[c].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[c].pPiece) == uColor);
+ _EvalRook(pos, c, pHash);
+#ifdef EVAL_DUMP
+ p = BLACK_ROOK | uColor;
+ Trace("After %s:\n%d\t\t%d\n", PieceAbbrev(p),
+ pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+ }
+
+ uColor = FLIP(uColor);
+ for (u = 0;
+ u < uDefer[uColor][0];
+ u++)
+ {
+ c = cDefer[uColor][0][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_ROOK(pos->rgSquare[c].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[c].pPiece) == uColor);
+ _EvalRook(pos, c, pHash);
+#ifdef EVAL_DUMP
+ p = BLACK_ROOK | uColor;
+ Trace("After %s:\n%d\t\t%d\n", PieceAbbrev(p),
+ pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+ }
+
+ //
+ // Evaluate any queen(s) for side on move then for side not on move.
+ //
+ uColor = FLIP(uColor);
+ for (u = 0;
+ u < uDefer[uColor][1];
+ u++)
+ {
+ c = cDefer[uColor][1][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_QUEEN(pos->rgSquare[c].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[c].pPiece) == uColor);
+ _EvalQueen(pos, c, pHash);
+#ifdef EVAL_DUMP
+ p = BLACK_ROOK | uColor;
+ Trace("After %s:\n%d\t\t%d\n", PieceAbbrev(p),
+ pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+ }
+
+ uColor = FLIP(uColor);
+ for (u = 0;
+ u < uDefer[uColor][1];
+ u++)
+ {
+ c = cDefer[uColor][1][u];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(IS_QUEEN(pos->rgSquare[c].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[c].pPiece) == uColor);
+ _EvalQueen(pos, c, pHash);
+#ifdef EVAL_DUMP
+ p = BLACK_ROOK | uColor;
+ Trace("After %s:\n%d\t\t%d\n", PieceAbbrev(p),
+ pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+ }
+
+ //
+ // Evaluate the two kings last.
+ //
+ c = pos->cNonPawns[BLACK][0];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(IS_VALID_PIECE(p));
+ ASSERT(GET_COLOR(p) == BLACK);
+ ASSERT(IS_KING(p));
+ ASSERT(JumpTable[p]);
+#endif
+ _EvalKing(pos, c, pHash);
+ ctx->sPlyInfo[ctx->uPly].iKingScore[BLACK] = pos->iTempScore;
+#ifdef EVAL_DUMP
+ Trace("After *k:\n%d\t\t%d\n", pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+
+ c = pos->cNonPawns[WHITE][0];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(IS_VALID_PIECE(p));
+ ASSERT(GET_COLOR(p) == WHITE);
+ ASSERT(IS_KING(p));
+ ASSERT(JumpTable[p]);
+#endif
+ _EvalKing(pos, c, pHash);
+ ctx->sPlyInfo[ctx->uPly].iKingScore[WHITE] = pos->iTempScore;
+#ifdef EVAL_DUMP
+ Trace("After .k:\n%d\t\t%d\n", pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+
+ //
+ // Now that we have the whole attack table generated, think about
+ // passed pawns identified by the pawn eval routine again. Also
+ // see if the side not on move has a trapped piece.
+ //
+ bb = (pHash->bbPasserLocations[WHITE] | pHash->bbPasserLocations[BLACK]);
+ if (0 != bb)
+ {
+ _EvalPassers(pos, pHash);
+#ifdef EVAL_DUMP
+ Trace("After passers:\n%d\t\t%d\n", pos->iScore[WHITE],
+ pos->iScore[BLACK]);
+#endif
+ }
+
+ //
+ // Make one more pass over the piece list for the side on move now
+ // that the full attack table is computed to detect
+ // under/unprotected pieces en prise to more valuable enemy pieces
+ // which we missed when building the attack table incrementally.
+ //
+ ctx->sPlyInfo[ctx->uPly].uMinMobility[BLACK] = pos->uMinMobility[BLACK];
+ ctx->sPlyInfo[ctx->uPly].uMinMobility[WHITE] = pos->uMinMobility[WHITE];
+ _EvalLookForDanger(ctx);
+ _EvalTrappedPieces(ctx);
+
+ //
+ // B over N in the endgame with 2 pawn wings.
+ //
+ if ((pos->uNonPawnCount[WHITE][0] <= 2) &&
+ (pos->uNonPawnCount[BLACK][0] <= 2))
+ {
+ if ((pos->uNonPawnCount[WHITE][BISHOP] > 0) &&
+ (pos->uNonPawnCount[BLACK][BISHOP] > 0))
+ {
+ if ((pos->uNonPawnCount[BLACK][0] == 2) &&
+ (pos->uNonPawnCount[WHITE][0] == 2))
+ {
+ ASSERT(pos->uNonPawnCount[BLACK][BISHOP] == 1);
+ ASSERT(pos->uNonPawnCount[WHITE][BISHOP] == 1);
+ if (pos->uWhiteSqBishopCount[BLACK] +
+ pos->uWhiteSqBishopCount[WHITE] == 1)
+ {
+ pos->iScore[WHITE] /= 2;
+ pos->iScore[BLACK] /= 2;
+ }
+ }
+ }
+ else
+ {
+ //
+ // At least one side has no bishop. Look for positions
+ // with two pawn wings where having a bishop is an
+ // advantage.
+ //
+ bb = (pHash->bbPawnLocations[WHITE] |
+ pHash->bbPawnLocations[BLACK]);
+ ASSERT((BBFILE[A] | BBFILE[B] | BBFILE[C]) ==
+ 0x0707070707070707ULL);
+ ASSERT((BBFILE[F] | BBFILE[G] | BBFILE[H]) ==
+ 0xe0e0e0e0e0e0e0e0ULL);
+ if ((bb & 0x0707070707070707ULL) &&
+ (bb & 0xe0e0e0e0e0e0e0e0ULL))
+ {
+ if ((pos->uNonPawnCount[BLACK][BISHOP] == 0) &&
+ (pos->uNonPawnCount[WHITE][BISHOP] > 0))
+ {
+ EVAL_TERM(WHITE,
+ BISHOP,
+ 0x88,
+ pos->iScore[WHITE],
+ BISHOP_OVER_KNIGHT_IN_ENDGAME *
+ pos->uNonPawnCount[WHITE][BISHOP],
+ "endgame w/ 2 pawn flanks");
+ }
+ else if ((pos->uNonPawnCount[BLACK][BISHOP] > 0) &&
+ (pos->uNonPawnCount[WHITE][BISHOP] == 0))
+ {
+ EVAL_TERM(BLACK,
+ BISHOP,
+ 0x88,
+ pos->iScore[BLACK],
+ BISHOP_OVER_KNIGHT_IN_ENDGAME *
+ pos->uNonPawnCount[BLACK][BISHOP],
+ "endgame w/ 2 pawn flanks");
+ }
+ }
+ }
+#ifdef EVAL_DUMP
+ Trace("After BOOC / BvsN:\n%d\t\t%d\n",
+ pos->iScore[WHITE], pos->iScore[BLACK]);
+#endif
+ }
+
+ //
+ // Roll in the reduced material down scaler terms.
+ //
+ ASSERT(pos->iReducedMaterialDownScaler[BLACK] > -200);
+ ASSERT(pos->iReducedMaterialDownScaler[BLACK] < +200);
+ iAlphaMargin = (pos->iReducedMaterialDownScaler[BLACK] *
+ (SCORE)REDUCED_MATERIAL_DOWN_SCALER[pos->uArmyScaler[BLACK]]) / 8;
+ pos->iScore[BLACK] += iAlphaMargin;
+ ASSERT(pos->iReducedMaterialDownScaler[WHITE] > -200);
+ ASSERT(pos->iReducedMaterialDownScaler[WHITE] < +200);
+ iAlphaMargin = (pos->iReducedMaterialDownScaler[WHITE] *
+ (SCORE)REDUCED_MATERIAL_DOWN_SCALER[pos->uArmyScaler[WHITE]]) / 8;
+ pos->iScore[WHITE] += iAlphaMargin;
+
+ //
+ // Almost done
+ //
+ iScoreForSideToMove = (pos->iScore[pos->uToMove] -
+ pos->iScore[FLIP(pos->uToMove)]);
+#ifdef EVAL_DUMP
+ Trace("At the end:\n%d\t\t%d\n", pos->iScore[WHITE],
+ pos->iScore[BLACK]);
+#endif
+
+ //
+ // TODO: detect and discourage blocked positions?
+ //
+
+ //
+ // TODO: drive the score towards zero as we approach a 50 move w/o
+ // progress draw.
+ //
+
+ //
+ // Adjust dynamic positional component.
+ //
+ iAlphaMargin = abs(pos->iMaterialBalance[pos->uToMove] - iScoreForSideToMove);
+ if ((ULONG)iAlphaMargin > ctx->uPositional)
+ {
+ ctx->uPositional = (ULONG)iAlphaMargin;
+ }
+ else
+ {
+ ctx->uPositional -= (ctx->uPositional - (ULONG)iAlphaMargin) / 4;
+ ctx->uPositional = MAXU(ctx->uPositional, VALUE_PAWN);
+ }
+ g_Options.iLastEvalScore = iScoreForSideToMove;
+
+#ifdef EVAL_TIME
+ ctx->sCounters.tree.u64CyclesInEval += (SystemReadTimeStampCounter() -
+ uTimer);
+#endif
+ INC(ctx->sCounters.tree.u64FullEvals);
+
+#ifdef EVAL_HASH
+ //
+ // Store in eval hash.
+ //
+ StoreEvalHash(ctx, iScoreForSideToMove);
+#endif
+
+ end:
+ ASSERT(IS_VALID_SCORE(iScoreForSideToMove));
+ ASSERT((iScoreForSideToMove > -NMATE) &&
+ (iScoreForSideToMove < +NMATE));
+ ASSERT(abs(ctx->sPlyInfo[ctx->uPly].iKingScore[BLACK]) < 700);
+ ASSERT(abs(ctx->sPlyInfo[ctx->uPly].iKingScore[WHITE]) < 700);
+ ASSERT(ctx->sPlyInfo[ctx->uPly].uMinMobility[BLACK] <= 100);
+ ASSERT(ctx->sPlyInfo[ctx->uPly].uMinMobility[WHITE] <= 100);
+ ASSERT((ctx->uPositional < 2500) && (ctx->uPositional >= VALUE_PAWN));
+ return(iScoreForSideToMove);
+}
--- /dev/null
+/*++
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ evalhash.c
+
+Abstract:
+
+ Evaluation score hashing code.
+
+Author:
+
+
+Revision History:
+
+--*/
+
+#include "chess.h"
+#ifdef EVAL_HASH
+
+extern ULONG g_uIterateDepth;
+
+SCORE
+GetRoughEvalScore(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN FLAG fUseHash)
+/*++
+
+Routine description:
+
+ This is meant to be the "one place" that code looks when it needs to
+ get an idea of the estimated evaluation of a position (in mid tree,
+ not at the leaves... at the leaves just call Eval directly).
+
+ The thought is that:
+
+ 1. The top of the tree (near the root) represents very few nodes
+ which have big subtrees. Use the real Eval here.
+
+ 2. Otherwise possibly probe the eval hash -- if there's a score in
+ it then we can return quickly.
+
+ 3. Otherwise do a (very) rough material estimate.
+
+Parameters:
+
+ IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN FLAG fUseHash
+
+Return value:
+
+ SCORE
+
+--*/
+{
+ POSITION *pos = &(ctx->sPosition);
+ UINT64 u64Key;
+ ULONG u;
+
+ if (ctx->uPly <= 4)
+ {
+ return Eval(ctx, iAlpha, iBeta);
+ }
+ else if ((fUseHash) || (ctx->uPly <= (g_uIterateDepth / 2)))
+ {
+ u64Key = (pos->u64PawnSig ^ pos->u64NonPawnSig);
+ u = (ULONG)u64Key & (EVAL_HASH_TABLE_SIZE - 1);
+ if (ctx->rgEvalHash[u].u64Key == u64Key)
+ {
+ ctx->uPositional = ctx->rgEvalHash[u].uPositional;
+ return(ctx->rgEvalHash[u].iEval);
+ }
+ }
+ return(pos->iMaterialBalance[pos->uToMove] + ctx->uPositional);
+}
+
+
+SCORE
+ProbeEvalHash(IN OUT SEARCHER_THREAD_CONTEXT *ctx)
+/*++
+
+Routine description:
+
+ Probe the eval hash; return a real score if there's a hit
+ otherwise return INVALID_SCORE.
+
+Parameters:
+
+ IN OUT SEARCHER_THREAD_CONTEXT *ctx : note that in the case
+ of a hit, *ctx is modified also.
+
+Return value:
+
+ SCORE
+
+--*/
+{
+ POSITION *pos = &(ctx->sPosition);
+ UINT64 u64Key = (pos->u64PawnSig ^ pos->u64NonPawnSig);
+ ULONG u = (ULONG)u64Key & (EVAL_HASH_TABLE_SIZE - 1);
+
+ if (ctx->rgEvalHash[u].u64Key == u64Key)
+ {
+ ctx->uPositional = ctx->rgEvalHash[u].uPositional;
+ pos->cTrapped[WHITE] = ctx->rgEvalHash[u].cTrapped[WHITE];
+ pos->cTrapped[BLACK] = ctx->rgEvalHash[u].cTrapped[BLACK];
+ return(ctx->rgEvalHash[u].iEval);
+ }
+ return(INVALID_SCORE);
+}
+
+void
+StoreEvalHash(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iScore)
+/*++
+
+Routine description:
+
+ Store a score in the eval hash table (which is pointed to
+ indirectly via ctx).
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iScore
+
+Return value:
+
+ void
+
+--*/
+{
+ POSITION *pos = &(ctx->sPosition);
+ UINT64 u64Key = (pos->u64PawnSig ^ pos->u64NonPawnSig);
+ ULONG u = (ULONG)u64Key & (EVAL_HASH_TABLE_SIZE - 1);
+ ctx->rgEvalHash[u].u64Key = u64Key;
+ ctx->rgEvalHash[u].iEval = iScore;
+ ctx->rgEvalHash[u].uPositional = ctx->uPositional;
+ ctx->rgEvalHash[u].cTrapped[WHITE] = pos->cTrapped[WHITE];
+ ctx->rgEvalHash[u].cTrapped[BLACK] = pos->cTrapped[BLACK];
+}
+#endif // EVAL_HASH
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ fen.c
+
+Abstract:
+
+ Routines that translate from an internal POSITION structure into a
+ FEN string and vice versa.
+
+Author:
+
+
+Revision History:
+
+ $Id: fen.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+char g_chPieceTypeToAbbrev[] = { '_', 'p', 'n', 'b', 'r', 'q', 'k' };
+char *g_szPieceAbbrevs = "pPnNbBrRqQkK";
+
+FLAG LooksLikeFen(char *p)
+/**
+
+Routine description:
+
+ Does some string look like a FEN?
+
+Parameters:
+
+ char *p : the string in question
+
+Return value:
+
+ FLAG : TRUE if yes, FALSE otherwise
+
+**/
+{
+ POSITION q;
+ return(FenToPosition(&q, p));
+}
+
+
+#define MAX_FEN_LEN_BYTES (128)
+
+char *
+PositionToFen(IN POSITION *pos)
+/**
+
+Routine description:
+
+ Translate a POSITION structure into a FEN string and return a pointer
+ to that string. This function allocates memory that the caller must
+ free. This code _is_ thread safe.
+
+Parameters:
+
+ POSITION *p : the position to translate
+
+Return value:
+
+ char * : FEN representing POSITION *p. NULL on error.
+
+**/
+{
+ ULONG uNumEmpty; // num emmpty squares in a row
+ COOR c; // square
+ PIECE p; // the piece there
+ char *pHeap = NULL; // ptr to a block of heap
+ char *pch; // used to build the string
+
+ //
+ // Alloc a buffer. The caller must free this. Note: I contend that
+ // the longest possible FEN string capable of being generated by this
+ // code is something like:
+ //
+ // "k1q1r1r1/b1b1n1n1/p1p1p1p1/p1p1p1p1/K1Q1R1R1/B1B1N1N1/P1P1P1P1/P1P1P1P1 w KQkq d3 49"
+ //
+ // ...which is 85 characters long. I allocate 128 here to be safe.
+ //
+ pHeap = SystemAllocateMemory(MAX_FEN_LEN_BYTES);
+ ASSERT(pHeap);
+ pch = pHeap;
+ memset(pHeap, 0, MAX_FEN_LEN_BYTES);
+
+ //
+ // The first field represents the placement of the pieces on the
+ // board. The board contents are specified starting with the
+ // eighth rank and ending with the first rank. For each rank, the
+ // squares are specified from file a to file h. White pieces are
+ // identified by uppercase SAN piece letters ("PNBRQK") and black
+ // pieces are identified by lowercase SAN piece letters
+ // ("pnbrqk"). Empty squares are represented by the digits one
+ // through eight; the digit used represents the count of
+ // contiguous empty squares along a rank. A solidus character "/"
+ // is used to separate data of adjacent ranks.
+ //
+ uNumEmpty = 0;
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c))
+ {
+ if (0 != uNumEmpty)
+ {
+ ASSERT(uNumEmpty < 9);
+ *pch++ = (char)(uNumEmpty + '0');
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ uNumEmpty = 0;
+ }
+ if ((c % 8) == 0) *pch++ = '/';
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ continue;
+ }
+
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ uNumEmpty++;
+ }
+ else
+ {
+ ASSERT(IS_VALID_PIECE(p));
+ if (0 != uNumEmpty)
+ {
+ ASSERT(uNumEmpty < 9);
+ *pch++ = (char)(uNumEmpty + '0');
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ uNumEmpty = 0;
+ }
+
+ *pch = g_chPieceTypeToAbbrev[PIECE_TYPE(p)];
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ if (IS_WHITE_PIECE(p))
+ {
+ *pch = (char)toupper(*pch);
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ }
+ pch++;
+ }
+ }
+ if (0 != uNumEmpty)
+ {
+ ASSERT(uNumEmpty < 9);
+ *pch++ = (char)(uNumEmpty + '0');
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ uNumEmpty = 0;
+ }
+
+ //
+ // The second field represents the active color. A lower case "w"
+ // is used if White is to move; a lower case "b" is used if Black
+ // is the active player.
+ //
+ *pch++ = ' ';
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ ASSERT(IS_VALID_COLOR(pos->uToMove));
+ if (WHITE == pos->uToMove)
+ {
+ *pch++ = 'w';
+ }
+ else
+ {
+ *pch++ = 'b';
+ }
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+
+ //
+ // The third field represents castling availability. This
+ // indicates potential future castling that may of may not be
+ // possible at the moment due to blocking pieces or enemy attacks.
+ // If there is no castling availability for either side, the
+ // single character symbol "-" is used. Otherwise, a combination
+ // of from one to four characters are present. If White has
+ // kingside castling availability, the uppercase letter "K"
+ // appears. If White has queenside castling availability, the
+ // uppercase letter "Q" appears. If Black has kingside castling
+ // availability, the lowercase letter "k" appears. If Black has
+ // queenside castling availability, then the lowercase letter "q"
+ // appears. Those letters which appear will be ordered first
+ // uppercase before lowercase and second kingside before
+ // queenside. There is no white space between the letters.
+ //
+ *pch++ = ' ';
+ *pch++ = '\0';
+ ASSERT(strlen(pHeap) < MAX_FEN_LEN_BYTES);
+ sprintf(pHeap,
+ "%s%s %s %u %u",
+ pHeap,
+ CastleInfoString(pos->bvCastleInfo),
+ CoorToString(pos->cEpSquare),
+ pos->uFifty,
+ 0);
+ return(pHeap); // Note: caller must free
+}
+
+
+static FLAG
+_FenToPosition_DoPiecePart(IN OUT POSITION *pos,
+ IN char *pPieces)
+/**
+
+Routine description:
+
+ The part of FenToPosition that parses the board/piece data in the
+ FEN string and sets the appropriate parts of POSITION *p.
+
+Parameters:
+
+ POSITION *pos,
+ char *pPieces
+
+Return value:
+
+ static FLAG : TRUE on success, FALSE otherwise
+
+**/
+{
+ char *pPieceIndex;
+ ULONG uPieceIndex;
+ ULONG uPieceCounters[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+ ULONG uNumNonPawns[2] = { 0, 0 };
+ ULONG uColor;
+ ULONG uFile = 0;
+ ULONG uIndex;
+ PIECE p;
+ COOR cSquare;
+
+ //
+ // Parse board position
+ //
+ cSquare = A8;
+ ASSERT(!isspace(*pPieces));
+ while(!isspace(*pPieces) && *pPieces)
+ {
+ if (cSquare > ARRAY_SIZE(pos->rgSquare))
+ {
+ Trace("FenToPosition: Ignoring extra piece/board information.\n");
+ break;
+ }
+
+ pPieceIndex = strchr(g_szPieceAbbrevs, *pPieces);
+ if (NULL == pPieceIndex)
+ {
+ switch(*pPieces)
+ {
+ case ('/'):
+ case ('\\'):
+ uFile++;
+ cSquare = 16 * uFile;
+ break;
+
+ case ('-'):
+ //
+ // Incrementing the file here handles fens without
+ // delimiting slashes too.
+ //
+ cSquare++;
+ break;
+
+ case ('\n'):
+ break;
+
+ default:
+ if (isdigit(*pPieces))
+ {
+ cSquare += (*pPieces - '0');
+ }
+ else
+ {
+ Trace("FenToPosition: Ignoring bad piece '%c' in FEN "
+ "information.\n");
+ }
+ }
+ }
+ else
+ {
+ //
+ // The position of the piece code in the g_szPieceAbbrevs array
+ // cooresponds to the piece type.
+ //
+ uPieceIndex = (ULONG)((BYTE *)pPieceIndex -
+ (BYTE *)g_szPieceAbbrevs);
+ uPieceIndex += 2;
+ p = (PIECE)uPieceIndex;
+ ASSERT(IS_VALID_PIECE(p));
+ uColor = PIECE_COLOR(p);
+ ASSERT(IS_VALID_COLOR(uColor));
+
+ if (IS_PAWN(p))
+ {
+ //
+ // The pawn list is not ordered at all, add the new pawn's
+ // location to the list and point from the pawn to the list.
+ //
+ pos->cPawns[uColor][uPieceCounters[uPieceIndex]] = cSquare;
+ pos->rgSquare[cSquare].uIndex = uPieceCounters[uPieceIndex];
+ pos->rgSquare[cSquare].pPiece = p;
+ pos->uPawnMaterial[uColor] += VALUE_PAWN;
+ }
+ else
+ {
+ if (IS_KING(p))
+ {
+ if (pos->cNonPawns[uColor][0] != ILLEGAL_COOR)
+ {
+ Trace("_FenToPosition: I can't handle positions with "
+ "more than one king, sorry.\n");
+ return(FALSE);
+ }
+ pos->cNonPawns[uColor][0] = cSquare;
+ uIndex = 0;
+ }
+ else
+ {
+ if (IS_BISHOP(p))
+ {
+ if (IS_WHITE_SQUARE_COOR(cSquare))
+ {
+ pos->uWhiteSqBishopCount[uColor]++;
+ }
+ }
+ uIndex = uNumNonPawns[uColor] + 1;
+ pos->cNonPawns[uColor][uIndex] = cSquare;
+ uNumNonPawns[uColor]++;
+ }
+ pos->rgSquare[cSquare].pPiece = p;
+ pos->rgSquare[cSquare].uIndex = uIndex;
+ pos->uNonPawnMaterial[uColor] += PIECE_VALUE(p);
+ }
+ uPieceCounters[uPieceIndex]++;
+ cSquare++;
+ }
+ pPieces++;
+ }
+
+ //
+ // Set the piece counts based on uPieceCounter contents
+ //
+ if (IS_ON_BOARD(pos->cNonPawns[WHITE][0]))
+ {
+ uNumNonPawns[WHITE]++;
+ }
+ pos->uNonPawnCount[WHITE][0] = uNumNonPawns[WHITE];
+ if (IS_ON_BOARD(pos->cNonPawns[BLACK][0]))
+ {
+ uNumNonPawns[BLACK]++;
+ }
+ pos->uNonPawnCount[BLACK][0] = uNumNonPawns[BLACK];
+ FOREACH_COLOR(uColor)
+ {
+ pos->uPawnCount[uColor] = uPieceCounters[(PAWN << 1) | uColor];
+ for (p = KNIGHT; p <= KING; p++)
+ {
+ pos->uNonPawnCount[uColor][p] =
+ uPieceCounters[(p << 1) | uColor];
+ }
+ }
+ ASSERT((pos->uPawnCount[WHITE] * VALUE_PAWN) == pos->uPawnMaterial[WHITE]);
+ ASSERT((pos->uPawnCount[BLACK] * VALUE_PAWN) == pos->uPawnMaterial[BLACK]);
+
+ if ((ILLEGAL_COOR == pos->cNonPawns[BLACK][0]) ||
+ (ILLEGAL_COOR == pos->cNonPawns[WHITE][0]))
+ {
+ Trace("FenToPosition: Warning, missing king location.\n");
+ }
+ return(TRUE);
+}
+
+
+
+static FLAG
+_FenToPosition_DoSideToMove(IN OUT POSITION *p,
+ IN char *pFen)
+/**
+
+Routine description:
+
+ The part of FenToPosition that parses side to move part of the FEN
+ string and sets POSITION *p appropriately.
+
+Parameters:
+
+ POSITION *p,
+ char *pFen
+
+Return value:
+
+ static FLAG : TRUE on success, FALSE otherwise
+
+**/
+{
+ p->uToMove = BAD_COLOR;
+ while(!isspace(*pFen) && *pFen)
+ {
+ if ((toupper(*pFen) == 'W') ||
+ (*pFen == '-'))
+ {
+ p->uToMove = WHITE;
+ break;
+ }
+ else if ((toupper(*pFen) == 'B'))
+ {
+ p->uToMove = BLACK;
+ break;
+ }
+ else
+ {
+ Trace("FenToPosition: Ignoring invalid side to move '%c'.\n",
+ *pFen);
+ }
+ pFen++;
+ }
+
+ if (BAD_COLOR == p->uToMove)
+ {
+ Trace("FenToPosition: Never figured out a side to move, defaulting to "
+ "WHITE to move.\n");
+ p->uToMove = WHITE;
+ }
+ return(TRUE);
+}
+
+
+static FLAG
+_FenToPosition_DoCastlingPermissions(IN OUT POSITION *p,
+ IN char *pCastle)
+/**
+
+Routine description:
+
+ Do the castling part of the FenToPosition function. Sets the proper
+ castling bits in the POSITION pointed to by p based on the text in
+ *pCastle.
+
+Parameters:
+
+ POSITION *p : position to affect
+ char *pCastle : pointer to castle part of FEN string
+
+Return value:
+
+ static FLAG : TRUE on success, FALSE otherwise
+
+**/
+{
+ ASSERT(p->bvCastleInfo == 0);
+ while(!isspace(*pCastle) && *pCastle)
+ {
+ switch (*pCastle)
+ {
+ case ('K'):
+ if ((p->rgSquare[E1].pPiece == WHITE_KING) &&
+ (p->rgSquare[H1].pPiece == WHITE_ROOK))
+ {
+ p->bvCastleInfo |= CASTLE_WHITE_SHORT;
+ }
+ break;
+ case ('Q'):
+ if ((p->rgSquare[E1].pPiece == WHITE_KING) &&
+ (p->rgSquare[A1].pPiece == WHITE_ROOK))
+ {
+ p->bvCastleInfo |= CASTLE_WHITE_LONG;
+ }
+ break;
+ case ('k'):
+ if ((p->rgSquare[E8].pPiece == BLACK_KING) &&
+ (p->rgSquare[H8].pPiece == BLACK_ROOK))
+ {
+ p->bvCastleInfo |= CASTLE_BLACK_SHORT;
+ }
+ break;
+ case ('q'):
+ if ((p->rgSquare[E8].pPiece == BLACK_KING) &&
+ (p->rgSquare[A8].pPiece == BLACK_ROOK))
+ {
+ p->bvCastleInfo |= CASTLE_BLACK_LONG;
+ }
+ break;
+ case ('-'):
+ case ('\n'):
+ break;
+ default:
+ Trace("FenToPosition: Ignoring invalid castling option char"
+ "acter '%c'.\n", *pCastle);
+ }
+ pCastle++;
+ }
+ return(TRUE);
+}
+
+
+
+static FLAG
+_FenToPosition_DoEnPassant(IN OUT POSITION *p,
+ IN char *pEnPassant)
+/**
+
+Routine description:
+
+ The part of FenToPosition that handles translating an en-passant
+ square in the FEN string into the appropriate settings in the
+ POSITION structure.
+
+Parameters:
+
+ POSITION *p : the position to populate
+ char *pEnPassant : the string that describes how to populate it
+
+Return value:
+
+ static FLAG : TRUE on success, FALSE otherwise
+
+**/
+{
+ COOR cEp = ILLEGAL_COOR;
+ ASSERT(!isspace(*pEnPassant));
+
+ if (*pEnPassant != '-')
+ {
+ cEp = FILE_RANK_TO_COOR((tolower(pEnPassant[0]) - 'a'),
+ (tolower(pEnPassant[1]) - '0'));
+ if ((!RANK3(cEp)) && (!RANK6(cEp)))
+ {
+ Trace("FenToPosition: Ignoring bogus enpassant coord '%c%c'\n",
+ pEnPassant[0], pEnPassant[1]);
+ }
+ else
+ {
+ if (WHITE == p->uToMove)
+ {
+ if ((p->rgSquare[cEp + 15].pPiece != WHITE_PAWN) &&
+ (p->rgSquare[cEp + 17].pPiece != WHITE_PAWN))
+ {
+ Trace("FenToPosition: Ignoring bogus en-passant "
+ "coordinate '%c%c'\n", pEnPassant[0], pEnPassant[1]);
+ cEp = ILLEGAL_COOR;
+ }
+ }
+ else
+ {
+ ASSERT(p->uToMove == BLACK);
+ if ((p->rgSquare[cEp - 15].pPiece != BLACK_PAWN) &&
+ (p->rgSquare[cEp - 17].pPiece != BLACK_PAWN))
+ {
+ Trace("FenToPosition: Ignoring bogus en-passant "
+ "coordinate '%c%c'\n", pEnPassant[0], pEnPassant[1]);
+ cEp = ILLEGAL_COOR;
+ }
+ }
+ }
+ }
+ ASSERT(VALID_EP_SQUARE(cEp));
+ p->cEpSquare = cEp;
+ return(TRUE);
+}
+
+void
+_FenToPosition_DoFiftyOrEpdOpcodes(POSITION *p,
+ char *szFifty)
+/**
+
+Routine description:
+
+ Do the fifty-moves-without-progress part or handle the EPD
+ opcodes.
+
+Parameters:
+
+ POSITION *p,
+ char *szFifty
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u = 0;
+ int i;
+ CHAR *q, *op;
+
+ p->uFifty = 0;
+ q = FindChunk(szFifty, u);
+ u++;
+ while(NULL != q)
+ {
+ //printf("%u: %s\n", u-1, q);
+
+ i = atoi(q);
+ if ((i > 0) && (i < 100))
+ {
+ p->uFifty = (ULONG)i;
+ }
+ else
+ {
+ if (!STRCMPI(q, "bm"))
+ {
+ op = FindChunk(szFifty, u);
+ u++;
+ if (NULL == op) break;
+ }
+
+ }
+ q = FindChunk(szFifty, u);
+ u++;
+ }
+}
+
+
+
+FLAG
+FenToPosition(IN OUT POSITION *p,
+ IN char *szFen)
+/**
+
+Routine description:
+
+ Translates a FEN string into a POSITION structure.
+
+Parameters:
+
+ POSITION *p : the POSITION structure to populate
+ char *szFen : the FEN string that describes how to populate it
+
+Return value:
+
+ FLAG : TRUE on success, FALSE otherwise
+
+**/
+{
+ char *szCapturedFen = SystemAllocateMemory((ULONG)strlen(szFen) + 2);
+ char *szPieces, *szToMove, *szCastle, *szEnPassant, *szFifty;
+ ULONG u;
+
+ //
+ // Initialize the captured fen buffer with a trailing whitespace char
+ //
+ ASSERT(NULL != szCapturedFen);
+ strcpy(szCapturedFen, szFen);
+ strcat(szCapturedFen, " ");
+
+ //
+ // Parse it into chunks
+ //
+ szPieces = FindChunk(szCapturedFen, 1);
+ szToMove = FindChunk(szCapturedFen, 2);
+ szCastle = FindChunk(szCapturedFen, 3);
+ szEnPassant = FindChunk(szCapturedFen, 4);
+ szFifty = FindChunk(szCapturedFen, 5);
+ if ((NULL == szPieces) ||
+ (NULL == szToMove) ||
+ (NULL == szCastle) ||
+ (NULL == szEnPassant))
+ {
+ return(FALSE);
+ }
+
+ //
+ // Clear the position struct
+ //
+ memset(p, 0, sizeof(POSITION));
+ for (u = 0; u < ARRAY_SIZE(p->cPawns[WHITE]); u++)
+ {
+ p->cPawns[WHITE][u] = p->cPawns[BLACK][u] = ILLEGAL_COOR;
+ }
+
+ for (u = 0; u < ARRAY_SIZE(p->cNonPawns[WHITE]); u++)
+ {
+ p->cNonPawns[WHITE][u] = p->cNonPawns[BLACK][u] = ILLEGAL_COOR;
+ }
+
+ //
+ // Do the pieces / board
+ //
+ if (FALSE == _FenToPosition_DoPiecePart(p, szPieces))
+ {
+ return(FALSE);
+ }
+
+ if (FALSE == _FenToPosition_DoSideToMove(p, szToMove))
+ {
+ return(FALSE);
+ }
+
+ if (FALSE == _FenToPosition_DoCastlingPermissions(p, szCastle))
+ {
+ return(FALSE);
+ }
+
+ if (FALSE == _FenToPosition_DoEnPassant(p, szEnPassant))
+ {
+ return(FALSE);
+ }
+ _FenToPosition_DoFiftyOrEpdOpcodes(p, szFifty);
+
+ p->u64NonPawnSig = ComputeSig(p);
+ p->u64PawnSig = ComputePawnSig(p);
+ p->iMaterialBalance[WHITE] =
+ ((SCORE)(p->uNonPawnMaterial[WHITE] + p->uPawnMaterial[WHITE]) -
+ (SCORE)(p->uNonPawnMaterial[BLACK] + p->uPawnMaterial[BLACK]));
+ p->iMaterialBalance[BLACK] = p->iMaterialBalance[WHITE] * -1;
+
+#ifdef DEBUG
+ VerifyPositionConsistency(p, FALSE);
+#endif
+ SystemFreeMemory(szCapturedFen);
+ return(TRUE);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ gamelist.c
+
+Abstract:
+
+ Maintain a list of game moves. This list is used to take back
+ official moves. It's also used to produce PGN at the end of a
+ game and to detect draws by repetition. This code also maintains
+ the official "current position" of the game in progress.
+
+Author:
+
+
+Revision History:
+
+ $Id: gamelist.c 355 2008-07-01 15:46:43Z scott $
+
+**/
+
+#include "chess.h"
+
+GAME_DATA g_GameData;
+ULONG g_uMoveNumber[2] = { 1, 1 };
+ULONG g_uToMove;
+ALIGN64 POSITION g_RootPosition;
+
+#ifdef DEBUG
+ULONG g_uAllocs = 0;
+#endif
+
+#define MOVE_POOL_SIZE (256)
+GAME_MOVE g_MovePool[MOVE_POOL_SIZE];
+
+static GAME_MOVE *
+_GetMoveFromPool(void)
+/**
+
+Routine description:
+
+ Fast GAME_MOVE allocator that uses a preallocated pool.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static GAME_MOVE *
+
+**/
+{
+ ULONG x = (rand() % (MOVE_POOL_SIZE - 15));
+ ULONG y;
+
+ for (y = x; y < x + 15; y++)
+ {
+ if (g_MovePool[y].fInUse == FALSE)
+ {
+ LockIncrement(&(g_MovePool[y].fInUse));
+ return(&(g_MovePool[y]));
+ }
+ }
+#ifdef DEBUG
+ g_uAllocs++;
+#endif
+ return(SystemAllocateMemory(sizeof(GAME_MOVE)));
+}
+
+static void
+_ReturnMoveToPool(GAME_MOVE *p)
+/**
+
+Routine description:
+
+ Return a GAME_MOVE to the pool.
+
+Parameters:
+
+ GAME_MOVE *p
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG x = (ULONG)((BYTE *)p - (BYTE *)&g_MovePool);
+
+ x /= sizeof(GAME_MOVE);
+ if (x < MOVE_POOL_SIZE)
+ {
+ g_MovePool[x].fInUse = FALSE;
+ }
+ else
+ {
+#ifdef DEBUG
+ g_uAllocs--;
+#endif
+ SystemFreeMemory(p);
+ }
+}
+
+static void
+_FreeIfNotNull(void *p)
+/**
+
+Routine description:
+
+ Free a pointer if it's not null.
+
+Parameters:
+
+ void *p
+
+Return value:
+
+ static void
+
+**/
+{
+ if (NULL != p)
+ {
+ SystemFreeMemory(p);
+#ifdef DEBUG
+ g_uAllocs--;
+#endif
+ }
+}
+
+static void
+_FreeGameMove(GAME_MOVE *p)
+/**
+
+Routine description:
+
+ Free memory allocated to store a game move.
+
+Parameters:
+
+ GAME_MOVE *p
+
+Return value:
+
+ static void
+
+**/
+{
+ ASSERT(NULL != p);
+
+ _FreeIfNotNull(p->szComment);
+ _FreeIfNotNull(p->szDecoration);
+ _FreeIfNotNull(p->szMoveInSan);
+ _FreeIfNotNull(p->szMoveInIcs);
+ _FreeIfNotNull(p->szUndoPositionFen);
+ _ReturnMoveToPool(p);
+}
+
+static void
+_FreeGameList(void)
+/**
+
+Routine description:
+
+ Free the whole game list.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+
+ if (NULL != g_GameData.sMoveList.pFlink)
+ {
+ while(FALSE == IsListEmpty(&(g_GameData.sMoveList)))
+ {
+ p = RemoveHeadList(&(g_GameData.sMoveList));
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ ASSERT(NULL != q);
+ _FreeGameMove(q);
+ }
+ }
+ _FreeIfNotNull(g_GameData.sHeader.szGameDescription);
+ _FreeIfNotNull(g_GameData.sHeader.szLocation);
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[WHITE].szName);
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[WHITE].szDescription);
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[BLACK].szName);
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[BLACK].szDescription);
+ _FreeIfNotNull(g_GameData.sHeader.szInitialFen);
+ memset(&g_GameData, 0, sizeof(g_GameData));
+}
+
+void
+ResetGameList(void)
+/**
+
+Routine description:
+
+ Reset the game list (between games etc...)
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ _FreeGameList();
+ ASSERT(g_uAllocs == 0);
+ memset(g_MovePool, 0, sizeof(g_MovePool));
+ g_uMoveNumber[BLACK] = g_uMoveNumber[WHITE] = 1;
+ g_uToMove = WHITE;
+ InitializeListHead(&(g_GameData.sMoveList));
+ g_GameData.sHeader.result.eResult = RESULT_IN_PROGRESS;
+}
+
+FLAG
+SetRootPosition(CHAR *szFen)
+/**
+
+Routine description:
+
+ Set the root position.
+
+Parameters:
+
+ CHAR *szFen
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (TRUE == FenToPosition(&g_RootPosition, szFen))
+ {
+ ResetGameList();
+ g_uToMove = g_RootPosition.uToMove;
+ TellGamelistThatIPlayColor(FLIP(g_RootPosition.uToMove));
+ if (0 != strcmp(szFen, STARTING_POSITION_IN_FEN))
+ {
+ g_GameData.sHeader.szInitialFen = STRDUP(szFen);
+#ifdef DEBUG
+ if (g_GameData.sHeader.szInitialFen)
+ {
+ g_uAllocs++;
+ }
+#endif
+ }
+ if (g_Options.fShouldPost)
+ {
+ DumpPosition(&g_RootPosition);
+ }
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+POSITION *
+GetRootPosition(void)
+/**
+
+Routine description:
+
+ Get the root position.
+
+Parameters:
+
+ void
+
+Return value:
+
+ POSITION
+
+**/
+{
+#ifdef DEBUG
+ static POSITION p;
+
+ memcpy(&p, &g_RootPosition, sizeof(POSITION));
+
+ return(&p);
+#else
+ return(&g_RootPosition);
+#endif
+}
+
+void
+SetGameResultAndDescription(GAME_RESULT result)
+/**
+
+Routine description:
+
+ Set the game result and a description (both for PGN).
+
+Parameters:
+
+ GAME_RESULT result
+
+Return value:
+
+ void
+
+**/
+{
+ g_GameData.sHeader.result = result;
+}
+
+GAME_RESULT GetGameResult(void)
+/**
+
+Routine description:
+
+ Get the game result.
+
+Parameters:
+
+ void
+
+Return value:
+
+ INT
+
+**/
+{
+ return g_GameData.sHeader.result;
+}
+
+
+GAME_MOVE *
+GetNthOfficialMoveRecord(ULONG n)
+/**
+
+Routine description:
+
+ Get the official move record for move N.
+
+Parameters:
+
+ ULONG n
+
+Return value:
+
+ GAME_MOVE
+
+**/
+{
+ DLIST_ENTRY *p = g_GameData.sMoveList.pFlink;
+ GAME_MOVE *q;
+
+ while((p != &(g_GameData.sMoveList)) &&
+ (n != 0))
+ {
+ p = p->pFlink;
+ n--;
+ }
+
+ if (n == 0)
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ return(q);
+ }
+ return(NULL);
+}
+
+
+FLAG
+DoesSigAppearInOfficialGameList(UINT64 u64Sig)
+/**
+
+Routine description:
+
+ Does sig X appear in the official move list?
+
+Parameters:
+
+ UINT64 u64Sig
+
+Return value:
+
+ FLAG
+
+**/
+{
+ DLIST_ENTRY *p = g_GameData.sMoveList.pBlink;
+ GAME_MOVE *q;
+
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if (q->u64PositionSigAfterMove == u64Sig)
+ {
+ return(TRUE);
+ }
+ if ((q->mv.pCaptured) || (IS_PAWN(q->mv.pMoved)))
+ {
+ break;
+ }
+ p = p->pBlink;
+ }
+ return(FALSE);
+}
+
+ULONG CountOccurrancesOfSigInOfficialGameList(UINT64 u64Sig)
+/**
+
+Routine description:
+
+ How many times does sig X appear in the official move list?
+
+Parameters:
+
+ UINT64 u64Sig
+
+Return value:
+
+ ULONG
+
+**/
+{
+ DLIST_ENTRY *p = g_GameData.sMoveList.pBlink;
+ GAME_MOVE *q;
+ ULONG uCount = 0;
+
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if (q->u64PositionSigAfterMove == u64Sig)
+ {
+ uCount++;
+ }
+ if ((q->mv.pCaptured) || (IS_PAWN(q->mv.pMoved)))
+ {
+ break;
+ }
+ p = p->pBlink;
+ }
+ return(uCount);
+}
+
+
+FLAG
+IsLegalDrawByRepetition(void)
+/**
+
+Routine description:
+
+ Have we just drawn the game by repetition?
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ POSITION *pos = GetRootPosition();
+ UINT64 u64Sig = (pos->u64PawnSig ^ pos->u64NonPawnSig);
+
+ if (3 == CountOccurrancesOfSigInOfficialGameList(u64Sig))
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+void
+DumpGameList(void)
+/**
+
+Routine description:
+
+ Dump the move list to stdout.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ GAME_MOVE *q;
+ ULONG u = 0;
+
+ Trace("\twhite\tblack\n"
+ "\t-----\t-----\n");
+ q = GetNthOfficialMoveRecord(u);
+ while((q != NULL) && (q->mv.uMove != 0))
+ {
+ if (GET_COLOR(q->mv.pMoved) == WHITE)
+ {
+ Trace("%2u.\t%s\t", q->uNumber, q->szMoveInSan);
+ }
+ else
+ {
+ Trace("%s\n", q->szMoveInSan);
+ }
+ u++;
+ q = GetNthOfficialMoveRecord(u);
+ }
+ Trace("\n");
+}
+
+void
+DumpPgn(void)
+/**
+
+Routine description:
+
+ Dump the PGN of the current game to stdout.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ DLIST_ENTRY *p = g_GameData.sMoveList.pFlink;
+ GAME_MOVE *q;
+ ULONG u = 0;
+
+ Trace("[Event \"Computer Chess Game\"]\n");
+ if (g_GameData.sHeader.szLocation != NULL)
+ {
+ Trace("[Site \"%s\"]\n", g_GameData.sHeader.szLocation);
+ }
+ Trace("[Date \"%s\"]\n", SystemGetDateString());
+ Trace("[Round 0]\n");
+ Trace("[White \"%s\"]\n", g_GameData.sHeader.sPlayer[WHITE].szName);
+ Trace("[Black \"%s\"]\n", g_GameData.sHeader.sPlayer[BLACK].szName);
+ switch(g_GameData.sHeader.result.eResult)
+ {
+ case RESULT_BLACK_WON:
+ Trace("[Result \"0-1\"]\n");
+ break;
+ case RESULT_WHITE_WON:
+ Trace("[Result \"1-0\"]\n");
+ break;
+ case RESULT_DRAW:
+ Trace("[Result \"1/2-1/2\"]\n");
+ break;
+ default:
+ Trace("[Result \"*\"]\n");
+ break;
+ }
+ if (g_GameData.sHeader.sPlayer[WHITE].uRating != 0)
+ {
+ Trace("[WhiteElo \"%u\"]\n", g_GameData.sHeader.sPlayer[WHITE].uRating);
+ }
+ if (g_GameData.sHeader.sPlayer[BLACK].uRating != 0)
+ {
+ Trace("[BlackElo \"%u\"]\n", g_GameData.sHeader.sPlayer[BLACK].uRating);
+ }
+ if (NULL != g_GameData.sHeader.szInitialFen)
+ {
+ Trace("[InitialFEN \"%s\"]\n", g_GameData.sHeader.szInitialFen);
+ }
+ // [ECO: XX]
+ Trace("[Time \"%s\"]\n", SystemGetTimeString());
+ /*
+9.6.1: Tag: TimeControl
+
+This uses a list of one or more time control fields. Each field contains a
+descriptor for each time control period; if more than one descriptor is present
+then they are separated by the colon character (":"). The descriptors appear
+in the order in which they are used in the game. The last field appearing is
+considered to be implicitly repeated for further control periods as needed.
+
+There are six kinds of TimeControl fields.
+
+The first kind is a single question mark ("?") which means that the time
+control mode is unknown. When used, it is usually the only descriptor present.
+
+The second kind is a single hyphen ("-") which means that there was no time
+control mode in use. When used, it is usually the only descriptor present.
+
+The third Time control field kind is formed as two positive integers separated
+by a solidus ("/") character. The first integer is the number of moves in the
+period and the second is the number of seconds in the period. Thus, a time
+control period of 40 moves in 2 1/2 hours would be represented as "40/9000".
+
+The fourth TimeControl field kind is used for a "sudden death" control period.
+It should only be used for the last descriptor in a TimeControl tag value. It
+is sometimes the only descriptor present. The format consists of a single
+integer that gives the number of seconds in the period. Thus, a blitz game
+would be represented with a TimeControl tag value of "300".
+
+The fifth TimeControl field kind is used for an "incremental" control period.
+It should only be used for the last descriptor in a TimeControl tag value and
+is usually the only descriptor in the value. The format consists of two
+positive integers separated by a plus sign ("+") character. The first integer
+gives the minimum number of seconds allocated for the period and the second
+integer gives the number of extra seconds added after each move is made. So,
+an incremental time control of 90 minutes plus one extra minute per move would
+be given by "4500+60" in the TimeControl tag value.
+
+The sixth TimeControl field kind is used for a "sandclock" or "hourglass"
+control period. It should only be used for the last descriptor in a
+TimeControl tag value and is usually the only descriptor in the value. The
+format consists of an asterisk ("*") immediately followed by a positive
+integer. The integer gives the total number of seconds in the sandclock
+period. The time control is implemented as if a sandclock were set at the
+start of the period with an equal amount of sand in each of the two chambers
+and the players invert the sandclock after each move with a time forfeit
+indicated by an empty upper chamber. Electronic implementation of a physical
+sandclock may be used. An example sandclock specification for a common three
+minute egg timer sandclock would have a tag value of "*180".
+
+Additional TimeControl field kinds will be defined as necessary.
+ */
+
+ Trace("\n");
+
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if (GET_COLOR(q->mv.pMoved) == WHITE)
+ {
+ Trace("%2u. %s ", q->uNumber, q->szMoveInSan);
+ }
+ else
+ {
+ Trace("%s ", q->szMoveInSan);
+ }
+ u++;
+ if (u > 10)
+ {
+ Trace("\n");
+ u = 0;
+ }
+ p = p->pFlink;
+ }
+ switch(g_GameData.sHeader.result.eResult)
+ {
+ case RESULT_BLACK_WON:
+ Trace("0-1\n");
+ break;
+ case RESULT_WHITE_WON:
+ Trace("1-0\n");
+ break;
+ case RESULT_DRAW:
+ Trace("1/2-1/2\n");
+ break;
+ default:
+ Trace("*\n");
+ break;
+ }
+ Trace("\n");
+ if (strlen(g_GameData.sHeader.result.szDescription)) {
+ Trace("%s\n", g_GameData.sHeader.result.szDescription);
+ }
+}
+
+FLAG
+OfficiallyTakebackMove(void)
+/**
+
+Routine description:
+
+ Take back a move (i.e. unmake it and delete it from the move
+ list).
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+ POSITION *pos = &g_RootPosition;
+
+ if (FALSE == IsListEmpty(&(g_GameData.sMoveList)))
+ {
+ p = RemoveTailList(&(g_GameData.sMoveList));
+ ASSERT(p);
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if (FALSE == FenToPosition(pos, q->szUndoPositionFen))
+ {
+ UtilPanic(INCONSISTENT_STATE,
+ pos,
+ q->szUndoPositionFen,
+ NULL,
+ NULL,
+ __FILE__, __LINE__);
+ }
+ _FreeGameMove(q);
+ VerifyPositionConsistency(pos, FALSE);
+
+ ASSERT(g_uMoveNumber[g_uToMove] > 0);
+ g_uMoveNumber[g_uToMove] -= 1;
+ g_uToMove = FLIP(g_uToMove);
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+FLAG
+OfficiallyMakeMove(MOVE mv,
+ SCORE iMoveScore,
+ FLAG fFast)
+/**
+
+Routine description:
+
+ Officially make a move (i.e. add it to the game list)
+
+Parameters:
+
+ MOVE mv,
+ SCORE iMoveScore
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static SEARCHER_THREAD_CONTEXT ctx;
+ FLAG fRet = FALSE;
+ GAME_MOVE *q;
+ POSITION *pos = &g_RootPosition;
+ UINT64 u64SigBefore = pos->u64PawnSig ^ pos->u64NonPawnSig;
+
+ ReInitializeSearcherContext(pos, &ctx);
+ ASSERT(mv.uMove);
+ ASSERT(GET_COLOR(mv.pMoved) == g_uToMove);
+ if (FALSE == MakeUserMove(&ctx, mv))
+ {
+ goto end;
+ }
+
+ q = _GetMoveFromPool();
+ if (NULL == q)
+ {
+ goto end;
+ }
+ q->uNumber = g_uMoveNumber[g_uToMove];
+ ASSERT(q->uNumber > 0);
+ g_uMoveNumber[g_uToMove] += 1;
+ ASSERT(g_uMoveNumber[g_uToMove] != 0);
+ q->mv.uMove = mv.uMove;
+ q->szComment = NULL;
+ q->szDecoration = NULL;
+ q->iMoveScore = iMoveScore;
+
+ q->szMoveInSan = STRDUP(MoveToSan(mv, pos));
+#ifdef DEBUG
+ if (q->szMoveInSan)
+ {
+ g_uAllocs++;
+ }
+#endif
+ q->szMoveInIcs = STRDUP(MoveToIcs(mv));
+#ifdef DEBUG
+ if (q->szMoveInIcs)
+ {
+ g_uAllocs++;
+ }
+#endif
+ q->szUndoPositionFen = PositionToFen(pos);
+#ifdef DEBUG
+ g_uAllocs++;
+#endif
+ InsertTailList(&(g_GameData.sMoveList), &(q->links));
+ q->u64PositionSigAfterMove = (ctx.sPosition.u64NonPawnSig ^
+ ctx.sPosition.u64PawnSig);
+ q->u64PositionSigBeforeMove = u64SigBefore;
+ g_uToMove = FLIP(g_uToMove);
+
+ //
+ // Update the root position
+ //
+ memcpy(pos, &(ctx.sPosition), sizeof(POSITION));
+ VerifyPositionConsistency(&(ctx.sPosition), FALSE);
+ fRet = TRUE;
+
+ end:
+ return(fRet);
+}
+
+ULONG
+GetMyColor(void)
+/**
+
+Routine description:
+
+ What color am I playing?
+
+Parameters:
+
+ void
+
+Return value:
+
+ ULONG
+
+**/
+{
+ switch(g_Options.ePlayMode)
+ {
+ case I_PLAY_WHITE:
+ return(WHITE);
+ case I_PLAY_BLACK:
+ default:
+ return(BLACK);
+ }
+}
+
+ULONG
+GetOpponentsColor(void)
+/**
+
+Routine description:
+
+ What color is the opponent playing?
+
+Parameters:
+
+ void
+
+Return value:
+
+ ULONG
+
+**/
+{
+ return(FLIP(GetMyColor()));
+}
+
+void
+SetOpponentsName(CHAR *sz)
+/**
+
+Routine description:
+
+ Set my opponent's name for the PGN record. Hello, my name is
+ Inigo Montoya. You killed my father. Prepare to die.
+
+Parameters:
+
+ CHAR *sz
+
+Return value:
+
+ void
+
+**/
+{
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[GetOpponentsColor()].szName);
+ g_GameData.sHeader.sPlayer[GetOpponentsColor()].szName = STRDUP(sz);
+#ifdef DEBUG
+ if (g_GameData.sHeader.sPlayer[GetOpponentsColor()].szName)
+ {
+ g_uAllocs++;
+ }
+#endif
+}
+
+void SetMyName(void)
+/**
+
+Routine description:
+
+ Set my name for the PGN record. Some people call me... Tim?
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u = GetMyColor();
+
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[u].szName);
+ g_GameData.sHeader.sPlayer[u].szName = STRDUP("typhoon");
+#ifdef DEBUG
+ if (g_GameData.sHeader.sPlayer[u].szName)
+ {
+ g_uAllocs++;
+ }
+#endif
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[u].szDescription);
+ g_GameData.sHeader.sPlayer[u].szDescription =
+ STRDUP("Ver: " VERSION " Build Time: " __TIME__ " " __DATE__);
+#ifdef DEBUG
+ if (g_GameData.sHeader.sPlayer[u].szDescription)
+ {
+ g_uAllocs++;
+ }
+#endif
+ g_GameData.sHeader.sPlayer[u].fIsComputer = TRUE;
+}
+
+void
+SetMyRating(ULONG u)
+/**
+
+Routine description:
+
+ Set my rating for the PGN record.
+
+Parameters:
+
+ ULONG u
+
+Return value:
+
+ void
+
+**/
+{
+ g_GameData.sHeader.sPlayer[GetMyColor()].uRating = u;
+}
+
+void
+SetOpponentsRating(ULONG u)
+/**
+
+Routine description:
+
+ Set the opponent's rating for the PGN record.
+
+Parameters:
+
+ ULONG u
+
+Return value:
+
+ void
+
+**/
+{
+ g_GameData.sHeader.sPlayer[GetOpponentsColor()].uRating = u;
+}
+
+void
+TellGamelistThatIPlayColor(ULONG u)
+/**
+
+Routine description:
+
+ The gamelist needs to know what color the computer is playing.
+ This routine sets it.
+
+Parameters:
+
+ ULONG u
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uOldColor = GetMyColor();
+ GAME_PLAYER x;
+
+ ASSERT(IS_VALID_COLOR(u));
+ ASSERT(IS_VALID_COLOR(uOldColor));
+
+ if (u != uOldColor)
+ {
+ x = g_GameData.sHeader.sPlayer[uOldColor];
+ g_GameData.sHeader.sPlayer[uOldColor] =
+ g_GameData.sHeader.sPlayer[u];
+ g_GameData.sHeader.sPlayer[u] = x;
+ }
+}
+
+ULONG
+GetMoveNumber(ULONG uColor)
+/**
+
+Routine description:
+
+ What move number is it?
+
+Parameters:
+
+ void
+
+Return value:
+
+ ULONG
+
+**/
+{
+ return(g_uMoveNumber[uColor]);
+}
+
+void
+MakeStatusLine(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ char buf[SMALL_STRING_LEN_CHAR];
+ ASSERT(IS_VALID_COLOR(g_uToMove));
+
+ if (g_Options.fStatusLine)
+ {
+ strcpy(buf, "_\0");
+ if (!g_Options.fRunningUnderXboard)
+ {
+ if ((TRUE == g_Options.fPondering) &&
+ (g_Options.mvPonder.uMove != 0))
+ {
+ snprintf(buf, SMALL_STRING_LEN_CHAR - 1,
+ "_[pondering %s] ",
+ MoveToSan(g_Options.mvPonder, &g_RootPosition));
+ }
+ snprintf(buf, SMALL_STRING_LEN_CHAR - strlen(buf),
+ "%s%s(move %u)_",
+ buf,
+ (g_uToMove == WHITE) ? "white" : "black",
+ g_uMoveNumber[g_uToMove]);
+ Trace("%s\n", buf);
+ }
+ }
+}
+
+static void
+_ParsePgnHeaderLine(CHAR *p, CHAR **ppVar, CHAR **ppVal)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *p,
+ CHAR **ppVar,
+ CHAR **ppVal
+
+Return value:
+
+ static void
+
+**/
+{
+ *ppVar = NULL;
+ *ppVal = NULL;
+ if (*p != '[') return;
+
+ p++;
+ *ppVar = p;
+ while(*p && !isspace(*p)) p++;
+
+ p++;
+ *ppVal = p;
+ while(*p && *p != ']') p++;
+}
+
+static void
+_ParsePgnHeaderTag(CHAR *p)
+/**
+
+Routine description:
+
+ Parse PGN headers and extract people's names, ratings, game
+ result, etc...
+
+Parameters:
+
+ CHAR *p
+
+Return value:
+
+ static void
+
+**/
+{
+ CHAR *pVar, *pVal;
+
+ _ParsePgnHeaderLine(p, &pVar, &pVal);
+ if ((NULL == pVar) || (NULL == pVal))
+ {
+ return;
+ }
+
+ if (!STRNCMPI(pVar, "BLACK ", 6))
+ {
+ p = pVal;
+ while(*p && *p != ']') p++;
+ if (*p)
+ {
+ *p = '\0';
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[BLACK].szName);
+ g_GameData.sHeader.sPlayer[BLACK].szName = STRDUP(pVal);
+#ifdef DEBUG
+ if (g_GameData.sHeader.sPlayer[BLACK].szName)
+ {
+ g_uAllocs++;
+ }
+#endif
+ *p = ']';
+ p++;
+ }
+ }
+ else if (!STRNCMPI(pVar, "WHITE ", 6))
+ {
+ p = pVal;
+ while(*p && *p != ']') p++;
+ if (*p)
+ {
+ *p = '\0';
+ _FreeIfNotNull(g_GameData.sHeader.sPlayer[WHITE].szName);
+ g_GameData.sHeader.sPlayer[WHITE].szName = STRDUP(pVal);
+#ifdef DEBUG
+ if (g_GameData.sHeader.sPlayer[WHITE].szName)
+ {
+ g_uAllocs++;
+ }
+#endif
+ *p = ']';
+ p++;
+ }
+ }
+ else if (!STRNCMPI(pVar, "RESULT", 6))
+ {
+ p = pVal;
+ if (*p == '"') p++;
+ if (!STRNCMPI(p, "1-0", 3))
+ {
+ GAME_RESULT res;
+ res.eResult = RESULT_WHITE_WON;
+ strcpy(res.szDescription, "PGN game");
+ SetGameResultAndDescription(res);
+ }
+ else if (!STRNCMPI(p, "0-1", 3))
+ {
+ GAME_RESULT res;
+ res.eResult = RESULT_BLACK_WON;
+ strcpy(res.szDescription, "PGN game");
+ SetGameResultAndDescription(res);
+ }
+ else if (!STRNCMPI(p, "1/2", 3))
+ {
+ GAME_RESULT res;
+ res.eResult = RESULT_DRAW;
+ strcpy(res.szDescription, "PGN game");
+ SetGameResultAndDescription(res);
+ }
+ while(*p && *p != ']') p++;
+ if (*p) p++;
+ }
+ //
+ // TODO: add others
+ //
+}
+
+FLAG
+LoadPgn(CHAR *szPgn)
+/**
+
+Routine description:
+
+ Load a PGN blob and create a move list from it.
+
+Parameters:
+
+ CHAR *szPgn
+
+Return value:
+
+ FLAG
+
+**/
+{
+ POSITION *pos;
+ CHAR szMove[16];
+ MOVE mv;
+ CHAR *p = szPgn;
+ ULONG uMoveCount = 0;
+ ULONG x;
+ FLAG fRet = FALSE;
+ FLAG fOldPost = g_Options.fShouldPost;
+
+ g_Options.fShouldPost = FALSE;
+ ResetGameList();
+ SetRootToInitialPosition();
+ pos = GetRootPosition();
+
+ //
+ // Get rid of newlines, non-space spaces and .'s
+ //
+ while(*p)
+ {
+ if (isspace(*p)) *p = ' ';
+ if (*p == '.') *p = ' ';
+ p++;
+ }
+
+ p = szPgn;
+ while(*p)
+ {
+ while(*p && isspace(*p)) p++;
+ while(*p && (isdigit(*p) || (*p == '.'))) p++;
+ if (*p == '[')
+ {
+ _ParsePgnHeaderTag(p);
+ while(*p && *p != ']') p++;
+ if (*p) p++;
+ }
+ else if (*p == '{')
+ {
+ while(*p && *p != '}') p++;
+ if (*p) p++;
+ }
+ else if (isalpha(*p))
+ {
+ //
+ // Copy the thing we think is a move.
+ //
+ memset(szMove, 0, sizeof(szMove));
+ x = 0;
+ while(*p && (!isspace(*p)))
+ {
+ if (x < (ARRAY_LENGTH(szMove) - 1))
+ {
+ szMove[x] = *p;
+ }
+ x++;
+ p++;
+ }
+
+ switch (LooksLikeMove(szMove))
+ {
+ case MOVE_SAN:
+ mv = ParseMoveSan(szMove, pos);
+ break;
+ case MOVE_ICS:
+ mv = ParseMoveIcs(szMove, pos);
+ break;
+ default:
+ mv.uMove = 0;
+ break;
+ }
+
+ //if (FALSE == SanityCheckMove(pos, mv))
+ // {
+ // Trace("Error in PGN(?) Bad chunk \"%s\"\n", szMove);
+ // goto end;
+ // }
+
+ if (FALSE == OfficiallyMakeMove(mv, 0, TRUE))
+ {
+ Trace("Error in PGN(?) Can't play move \"%s\"\n", szMove);
+ goto end;
+ }
+ pos = GetRootPosition();
+ uMoveCount++;
+ }
+ else
+ {
+ while(*p && !isspace(*p)) p++;
+ }
+ }
+ fRet = TRUE;
+ end:
+ g_Options.fShouldPost = fOldPost;
+ return(fRet);
+}
+
+
+char *
+CleanupString(char *pIn)
+/**
+
+Routine description:
+
+ Ckeans up a PGN tag containing part of the opening line
+ name... gets rid of the quotes around the name and the newline.
+
+Parameters:
+
+ char *pIn
+
+Return value:
+
+ char
+
+**/
+{
+ static char buf[256];
+ char *p = pIn;
+ char *q = buf;
+
+ //
+ // Skip leading whitespace in input
+ //
+ buf[0] = '\0';
+ while(isspace(*p)) p++;
+ if (*p == '\0') return(buf);
+
+ do
+ {
+ //
+ // Copy A-Z, 0-9, space, -, ., (, or )
+ //
+ // Ignore others
+ //
+ if ((*p == ' ') ||
+ (isalpha(*p)) ||
+ (isdigit(*p)) ||
+ (*p == '-') ||
+ (*p == '.') ||
+ (*p == ',') ||
+ (*p == '(') ||
+ (*p == ')'))
+ {
+ *q = *p;
+ q++;
+ if ((q - buf) > (sizeof(buf) - 1)) break;
+ }
+ p++;
+ }
+ while(*p);
+
+ *q = '\0';
+ buf[255] = 0;
+ return(buf);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ generate.c
+
+Abstract:
+
+ This module contains two move generators: a pseudo legal move
+ generator and a pseudo legal escaping move generator. The former
+ is called in positions where side on move is not in check and the
+ latter is called when the side on move is in check. Note: both of
+ these generators produce pseudo-legal moves. The normal move
+ generator is pretty bad: it does not bother to see if moves expose
+ their own king to check or if castles pass through check
+ etc... Instead it relies on MakeMove to throw out any illegal
+ moves it generates. The escape generator is better in that it
+ produces less illegal moves. But it is still possible to generate
+ some with it. An example: it will generate replies to check that
+ may include capturing moves that are illegal because the capturing
+ piece is pinned to the (already in check) king. Both generators
+ produce a set of moves that contains the true legal set of moves in
+ a position as a subset; if a move is legal it will be produced.
+
+ This module also contains some code to flag moves as checking
+ moves and score moves after they are generated.
+
+Author:
+
+
+Revision History:
+
+ $Id: generate.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+#include "psqt.h"
+
+//
+// Note: this order is important because of how EvalQueen works
+//
+const INT g_iQKDeltas[] = {
+ -17, -16, -15, -1, +1, +17, +15, +16, 0 };
+
+static void
+_FindUnblockedSquares(IN MOVE_STACK *pStack,
+ IN POSITION *pos)
+/**
+
+Routine description:
+
+ Given a position, find, count and mark all squares that are
+ unblocked for the king of the side not on move. For example:
+
+ +---+---+---+---+- - - The squares marked with *'s in this
+ |***| K |***|*Q*| diagram are unblocked for the K. As
+ +---+---+---+---+- - - you can see, there are nine of them.
+ |*P*|***|***| |
+ +---+---+---+---+- - - Note the piece at the end of an unblocked
+ | |***| |*P*| ray from the king is on an unblocked
+ +---+---+---+---+- - - square (and its color doesn't matter)
+ | |*R*| | |
+ +---+---+---+---+- - - This stuff is used to flag checking moves
+ | | | | | as they are generated.
+ . . . . .
+
+ Also note: this is one of the most called routines in the engine;
+ speed is of the essence here.
+
+Parameters:
+
+ MOVE_STACK *pStack : move stack pointer
+ POSITION *pos : position pointer
+
+Return value:
+
+ void
+
+**/
+{
+ register ULONG u;
+ COOR cKing = pos->cNonPawns[FLIP(pos->uToMove)][0];
+ COOR c;
+ ULONG uPly = pStack->uPly;
+#ifdef DEBUG
+ PIECE pKing = pos->rgSquare[cKing].pPiece;
+ ULONG uCount = 0;
+ COOR cx;
+
+ ASSERT(IS_ON_BOARD(cKing));
+ ASSERT(IS_KING(pKing));
+ ASSERT(GET_COLOR(pKing) != pos->uToMove);
+#endif
+
+ //
+ // Adjust the unblocked key value for this ply...
+ //
+ pStack->uUnblockedKeyValue[uPly]++;
+#ifdef DEBUG
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c)) continue;
+ ASSERT(pStack->sUnblocked[uPly][c].uKey !=
+ pStack->uUnblockedKeyValue[uPly]);
+ }
+#endif
+
+ u = 0;
+ ASSERT(g_iQKDeltas[u] != 0);
+ do
+ {
+ c = cKing + g_iQKDeltas[u];
+ while(IS_ON_BOARD(c))
+ {
+ pStack->sUnblocked[uPly][c].uKey =
+ pStack->uUnblockedKeyValue[uPly];
+ pStack->sUnblocked[uPly][c].iPointer = -1 * g_iQKDeltas[u];
+#ifdef DEBUG
+ ASSERT(-g_iQKDeltas[u] == DIRECTION_BETWEEN_SQUARES(c,cKing));
+ ASSERT(pStack->sUnblocked[uPly][c].iPointer != 0);
+ cx = c;
+ do
+ {
+ cx += pStack->sUnblocked[uPly][c].iPointer;
+ }
+ while(IS_ON_BOARD(cx) && (IS_EMPTY(pos->rgSquare[cx].pPiece)));
+ ASSERT(cx == cKing);
+ uCount++;
+#endif
+ if (!IS_EMPTY(pos->rgSquare[c].pPiece))
+ {
+ break;
+ }
+ c += g_iQKDeltas[u];
+ }
+ u++;
+ }
+ while(g_iQKDeltas[u] != 0);
+ ASSERT(uCount > 2);
+ ASSERT(uCount < 28);
+}
+
+#define SQUARE_IS_UNBLOCKED(c) (uUnblocked == kp[(c)].uKey)
+#define DIR_FROM_SQ_TO_KING(c) (kp[(c)].iPointer)
+
+FLAG
+WouldGiveCheck(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv)
+/**
+
+Routine description:
+
+ Determine whether a move is a checking move or not. For this
+ function to work properly _FindUnblockedSquares must have been
+ called at the start of generation.
+
+ Note: this is one of the most called codepaths in the engine,
+ speed is of the essence here.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board
+ MOVE mv : the move under consideration
+
+Return value:
+
+ FLAG : TRUE if the move is checking, FALSE otherwise
+
+**/
+{
+ //
+ // TODO: consider adding a hash table to see if sig+mv would
+ // give check. Is this worth it?
+ //
+ MOVE_STACK *pStack = &(ctx->sMoveStack);
+ POSITION *pos = &(ctx->sPosition);
+ COOR cTo = mv.cTo;
+ COOR cFrom = mv.cFrom;
+ PIECE pPiece = mv.pMoved;
+ COOR xKing = pos->cNonPawns[FLIP(GET_COLOR(pPiece))][0];
+ KEY_POINTER *kp = &(pStack->sUnblocked[ctx->uPly][0]);
+ ULONG uUnblocked = pStack->uUnblockedKeyValue[ctx->uPly];
+ COOR cEpSquare;
+ int iDelta;
+
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+ ASSERT(PositionsAreEquivalent(&(pStack->board[ctx->uPly]), pos));
+ ASSERT(mv.uMove);
+ ASSERT(IS_KING(pos->rgSquare[xKing].pPiece));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(pPiece);
+
+ //
+ // Phase 1: Does this move directly attack the king?
+ //
+
+ //
+ // You can't attack one king directly with the other except by
+ // castling (in which case the rook is doing the attack).
+ //
+ if (IS_KING(pPiece))
+ {
+ if (!IS_SPECIAL_MOVE(mv))
+ {
+ goto exposes;
+ }
+
+ ASSERT((mv.cFrom == E8) || (mv.cFrom == E1));
+ pPiece &= ~4;
+ ASSERT(!IS_KING(pPiece));
+ ASSERT(IS_ROOK(pPiece));
+ ASSERT(pPiece == (BLACK_ROOK | GET_COLOR(pPiece)));
+
+ switch(cTo)
+ {
+ case C1:
+ cTo = D1;
+ if (SQUARE_IS_UNBLOCKED(E1) &&
+ (DIR_FROM_SQ_TO_KING(E1) == 1))
+ {
+ ASSERT(RANK1(xKing));
+ return(MOVE_FLAG_CHECKING);
+ }
+ break;
+ case G1:
+ cTo = F1;
+ if (SQUARE_IS_UNBLOCKED(E1) &&
+ (DIR_FROM_SQ_TO_KING(E1) == -1))
+ {
+ ASSERT(RANK1(xKing));
+ return(MOVE_FLAG_CHECKING);
+ }
+ break;
+ case C8:
+ cTo = D8;
+ if (SQUARE_IS_UNBLOCKED(E8) &&
+ (DIR_FROM_SQ_TO_KING(E8) == 1))
+ {
+ ASSERT(RANK8(xKing));
+ return(MOVE_FLAG_CHECKING);
+ }
+ break;
+ case G8:
+ cTo = F8;
+ if (SQUARE_IS_UNBLOCKED(E8) &&
+ (DIR_FROM_SQ_TO_KING(E8) == -1))
+ {
+ ASSERT(RANK8(xKing));
+ return(MOVE_FLAG_CHECKING);
+ }
+ break;
+#ifdef DEBUG
+ default:
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ break;
+#endif
+ }
+ }
+
+ //
+ // Ok, either its not a king or its a castle move and we are thinking
+ // about the rook now.
+ //
+
+ //
+ // Check the attack vector table
+ //
+ ASSERT(!IS_KING(pPiece));
+ iDelta = 0;
+ if (mv.pPromoted)
+ {
+ ASSERT(IS_PAWN(pPiece));
+ ASSERT(GET_COLOR(pPiece) == GET_COLOR(mv.pPromoted));
+ pPiece = mv.pPromoted;
+ ASSERT(!IS_PAWN(pPiece));
+ iDelta = cFrom - cTo;
+ ASSERT(iDelta != 0);
+ }
+
+ //
+ // Does pPiece attack xKing directly if there are not pieces in
+ // the way?
+ //
+ if (0 != (CHECK_VECTOR_WITH_INDEX((int)cTo - (int)xKing,
+ GET_COLOR(pPiece)) &
+ (1 << PIECE_TYPE(pPiece))))
+ {
+ //
+ // We don't toggle knight squares as unblocked... so if the sq
+ // is unblocked then piece must not be a knight. Note: this
+ // logical OR replaced with bitwise equivalent for speed.
+ //
+ if ((SQUARE_IS_UNBLOCKED(cTo)) | (IS_KNIGHT(pPiece)))
+ {
+#ifdef DEBUG
+ if (SQUARE_IS_UNBLOCKED(cTo))
+ {
+ ASSERT(!IS_KNIGHT(pPiece));
+ }
+ else
+ {
+ ASSERT(IS_KNIGHT(pPiece));
+ }
+#endif
+ return(MOVE_FLAG_CHECKING);
+ }
+ ASSERT(!IS_PAWN(pPiece));
+
+ //
+ // Special case: if this is a pawn that just promoted, and the
+ // from square was unblocked, this pawn in its new state can
+ // check the king.
+ //
+ if ((DIR_FROM_SQ_TO_KING(cFrom) == iDelta) &&
+ (SQUARE_IS_UNBLOCKED(cFrom)))
+ {
+ return(MOVE_FLAG_CHECKING);
+ }
+ }
+
+ exposes:
+ //
+ // We now know that the move itself does not directly attack the
+ // enemy king. We will now see if that move exposes check to the
+ // enemy king.
+ //
+
+ //
+ // A move cannot expose check directly if its from square is not
+ // an unblocked square. But if it is unblocked, we will have to
+ // scan behind the piece to see if there is some attacker.
+ //
+ if (SQUARE_IS_UNBLOCKED(cFrom))
+ {
+ //
+ // Piece moves towards the king on the same ray? Cannot be
+ // check. Piece moves away from the king on the same ray?
+ // Cannot be check.
+ //
+ if (DIRECTION_BETWEEN_SQUARES(cTo, xKing) !=
+ DIR_FROM_SQ_TO_KING(cFrom))
+ {
+ if (IS_ON_BOARD(FasterExposesCheck(pos, cFrom, xKing)))
+ {
+ ASSERT(IS_ON_BOARD(ExposesCheck(pos, cFrom, xKing)));
+ return(MOVE_FLAG_CHECKING);
+ }
+ }
+ }
+
+ //
+ // There is one last special case. If this move was enpassant
+ // it's possible that the removal of the enemy pawn has exposed
+ // the enemy king to check.
+ //
+ // rnb2bnr/ppp3pp/4k3/1B1qPpB1/4p1Q1/8/PPP2PPP/RN2K1NR w - f6 0 0
+ // rn5r/pp4pp/8/5qk1/1b2pP2/4K3/PPP3PP/RN4NR b - f3 0 0
+ //
+ if (IS_ENPASSANT(mv))
+ {
+ ASSERT(IS_PAWN(pPiece));
+ ASSERT(VALID_EP_SQUARE(cTo));
+ ASSERT(cTo == pos->cEpSquare);
+ cEpSquare = cTo + 16 * g_iBehind[(GET_COLOR(pPiece))];
+#ifdef DEBUG
+ if (GET_COLOR(pPiece))
+ {
+ ASSERT(cEpSquare == (cTo + 16));
+ }
+ else
+ {
+ ASSERT(cEpSquare == (cTo - 16));
+ }
+#endif
+ ASSERT(IS_PAWN(pos->rgSquare[cEpSquare].pPiece));
+ ASSERT(OPPOSITE_COLORS(pPiece, pos->rgSquare[cEpSquare].pPiece));
+
+ //
+ // Logical OR replaced with bitwise for speed.
+ //
+ if (((SQUARE_IS_UNBLOCKED(cEpSquare)) |
+ (SQUARE_IS_UNBLOCKED(cFrom))) &&
+ (IS_ON_BOARD(ExposesCheckEp(pos, cEpSquare, cFrom, cTo, xKing))))
+ {
+ return(MOVE_FLAG_CHECKING);
+ }
+ }
+
+ //
+ // No direct check + no exposed check = no check.
+ //
+ return(0);
+}
+
+
+static void FORCEINLINE
+_AddNormalMove(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cFrom,
+ IN COOR cTo,
+ IN PIECE pCap)
+/**
+
+Routine description:
+
+ Adds a move from the generator functions to the stack of generated
+ moves.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cFrom : the move's from square
+ COOR cTo : the move's to square
+ PIECE pCap : what was captured (if anything)
+
+Return value:
+
+ static void FORCEINLINE
+
+**/
+{
+ PIECE pMoved = pos->rgSquare[cFrom].pPiece;
+ ULONG uPly = pStack->uPly;
+ MOVE_STACK_MOVE_VALUE_FLAGS *pMvf;
+
+ ASSERT(pMoved);
+ ASSERT(GET_COLOR(pMoved) == pos->uToMove);
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+
+ pMvf = &(pStack->mvf[pStack->uEnd[uPly]]);
+ pMvf->mv.uMove = MAKE_MOVE_WITH_NO_PROM_OR_FLAGS(cFrom, cTo, pMoved, pCap);
+ pStack->uEnd[uPly]++;
+
+ ASSERT(pMvf->mv.uMove == MAKE_MOVE(cFrom, cTo, pMoved, pCap, 0, 0));
+ ASSERT(SanityCheckMove(pos, pMvf->mv));
+}
+
+
+static void FORCEINLINE
+_AddEnPassant(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cFrom,
+ IN COOR cTo)
+/**
+
+Routine description:
+
+ Add an en passant pawn capture to the move stack.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cFrom : the from square
+ COOR cTo : the to square (and en passant square)
+
+Return value:
+
+ static void
+
+**/
+{
+ PIECE pMoved = BLACK_PAWN | pos->uToMove;
+ PIECE pCaptured = FLIP(pMoved);
+ ULONG uPly = pStack->uPly;
+ MOVE_STACK_MOVE_VALUE_FLAGS *pMvf;
+
+ ASSERT(pCaptured == (BLACK_PAWN | (FLIP(pos->uToMove))));
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(RANK4(cFrom) || RANK5(cFrom));
+ ASSERT(VALID_EP_SQUARE(cTo));
+ ASSERT(IS_PAWN(pos->rgSquare[cFrom].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cFrom].pPiece) == pos->uToMove);
+
+ pMvf = &(pStack->mvf[pStack->uEnd[uPly]]);
+ pMvf->mv.uMove =
+ MAKE_MOVE(cFrom, cTo, pMoved, pCaptured, 0, MOVE_FLAG_SPECIAL);
+ pStack->uEnd[uPly]++;
+
+ ASSERT(SanityCheckMove(pos, pMvf->mv));
+}
+
+
+static void FORCEINLINE
+_AddCastle(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cFrom,
+ IN COOR cTo)
+/**
+
+Routine description:
+
+ Add a castle move to the move stack.
+
+Parameters:
+
+ MOVE_STACK *pStack,
+ POSITION *pos,
+ COOR cFrom,
+ COOR cTo
+
+Return value:
+
+ static void FORCEINLINE
+
+**/
+{
+ PIECE pMoved = BLACK_KING | pos->uToMove;
+ ULONG uPly = pStack->uPly;
+ MOVE_STACK_MOVE_VALUE_FLAGS *pMvf;
+
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT((E1 == cFrom) || (E8 == cFrom));
+ ASSERT(IS_KING(pos->rgSquare[cFrom].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cFrom].pPiece) == pos->uToMove);
+
+ pMvf = &(pStack->mvf[pStack->uEnd[uPly]]);
+ pMvf->mv.uMove = MAKE_MOVE(cFrom, cTo, pMoved, 0, 0, MOVE_FLAG_SPECIAL);
+ pStack->uEnd[uPly]++;
+
+ ASSERT(SanityCheckMove(pos, pMvf->mv));
+}
+
+
+static void FORCEINLINE
+_AddPromote(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cFrom,
+ IN COOR cTo)
+/**
+
+Routine description:
+
+ Adds a pawn promotion (set of) moves to the move stack. This can
+ be a capture-promotion or non-capture promotion. This function
+ pushes several moves onto the move stack, one for each possible
+ promotion target.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cFrom : the move's from square
+ COOR cTo : the move's to square
+
+Return value:
+
+ static void
+
+**/
+{
+ PIECE pMoved = BLACK_PAWN | pos->uToMove;
+ PIECE pCaptured = pos->rgSquare[cTo].pPiece;
+ ULONG uPly = pStack->uPly;
+ MOVE_STACK_MOVE_VALUE_FLAGS *pMvf;
+ ULONG u;
+
+#define ARRAY_LENGTH_TARG (4)
+ const static PIECE pTarg[ARRAY_LENGTH_TARG] = { BLACK_QUEEN,
+ BLACK_ROOK,
+ BLACK_BISHOP,
+ BLACK_KNIGHT };
+
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(RANK1(cTo) || RANK8(cTo));
+ ASSERT(RANK7(cFrom) || RANK2(cFrom));
+ ASSERT(ARRAY_LENGTH(pTarg) == ARRAY_LENGTH_TARG);
+ ASSERT(IS_PAWN(pos->rgSquare[cFrom].pPiece));
+
+ for (u = 0; u < ARRAY_LENGTH_TARG; u++)
+ {
+ pMvf = &(pStack->mvf[pStack->uEnd[uPly]]);
+ pMvf->mv.uMove = MAKE_MOVE(cFrom, cTo, pMoved, pCaptured,
+ pTarg[u] | pos->uToMove, MOVE_FLAG_SPECIAL);
+ pStack->uEnd[uPly]++;
+ ASSERT(SanityCheckMove(pos, pMvf->mv));
+ }
+#undef ARRAY_LENGTH_TARG
+}
+
+
+static void FORCEINLINE
+_AddDoubleJump(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cFrom,
+ IN COOR cTo)
+/**
+
+Routine description:
+
+ This function adds a pawn double jump to the move stack.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cFrom : the move's from square
+ COOR cTo : the move's to square
+
+Return value:
+
+ static void
+
+**/
+{
+ PIECE pMoved = BLACK_PAWN | pos->uToMove;
+ ULONG uPly = pStack->uPly;
+ MOVE_STACK_MOVE_VALUE_FLAGS *pMvf;
+
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(RANK2(cFrom) || RANK7(cFrom));
+ ASSERT(RANK4(cTo) || RANK5(cTo));
+ ASSERT(IS_PAWN(pos->rgSquare[cFrom].pPiece));
+
+ pMvf = &(pStack->mvf[pStack->uEnd[uPly]]);
+ pMvf->mv.uMove = MAKE_MOVE(cFrom, cTo, pMoved, 0, 0, MOVE_FLAG_SPECIAL);
+ pStack->uEnd[uPly]++;
+
+ ASSERT(SanityCheckMove(pos, pMvf->mv));
+}
+
+
+const INT g_iNDeltas[] = {
+ -33, -31, -18, -14, +14, +18, +31, +33, 0 };
+
+void
+GenerateKnight(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cKnight)
+/**
+
+Routine description:
+
+ This function is called by GenerateMoves' JumpTable. Its job
+ is to generate and push pseudo-legal knight moves for the
+ knight sitting on square cKnight.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cKnight : the knight's location
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(IS_KNIGHT(pos->rgSquare[cKnight].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cKnight].pPiece) == pos->uToMove);
+ ASSERT(g_iNDeltas[u] != 0);
+
+ do
+ {
+ c = cKnight + g_iNDeltas[u];
+ u++;
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+
+ //
+ // This logical OR replaced with bitwise OR; the effect is
+ // the same the the bitwise is marginally faster.
+ //
+ if (IS_EMPTY(p) | (OPPOSITE_COLORS(p, pos->uToMove)))
+ {
+ _AddNormalMove(pStack, pos, cKnight, c, p);
+ }
+ }
+ }
+ while(0 != g_iNDeltas[u]);
+}
+
+void
+GenerateWhiteKnight(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cKnight)
+{
+ COOR c;
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(IS_KNIGHT(pos->rgSquare[cKnight].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cKnight].pPiece) == pos->uToMove);
+ ASSERT(g_iNDeltas[u] != 0);
+
+ do
+ {
+ c = cKnight + g_iNDeltas[u];
+ u++;
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+
+ //
+ // Note: this test covers empty squares also -- it is just
+ // testing that the low order bit (color bit) of p is zero
+ // which is true for black pieces and empty squares. This
+ // is done for speed over readability.
+ //
+ if (GET_COLOR(p) == BLACK)
+ {
+ ASSERT(IS_EMPTY(p) || (GET_COLOR(p) == BLACK));
+ _AddNormalMove(pStack, pos, cKnight, c, p);
+ }
+ }
+ }
+ while(0 != g_iNDeltas[u]);
+}
+
+//
+// These logical AND/ORs replaced with bitwise AND/OR; the effect is
+// the same the the bitwise is marginally faster.
+//
+#define BLOCKS_THE_CHECK(sq) \
+ ((iAttackDelta != 0) & \
+ (iAttackDelta == DIRECTION_BETWEEN_SQUARES(cAttacker, (sq))) & \
+ (((cAttacker > cKing) & ((sq) > cKing)) | \
+ ((cAttacker < cKing) & ((sq) < cKing))))
+
+void
+SaveMeKnight(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cKnight,
+ IN COOR cKing,
+ IN COOR cAttacker)
+/**
+
+Routine description:
+
+ This routine is called by GenerateEscapes' JumpTable. Its job is
+ to generate moves by the knight on square cKnight that alleviate
+ check to the king on square cKing. The (lone) piece attacking the
+ king is on square cAttacker.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cKnight : the location of the knight
+ COOR cKing : the location of the friendly king
+ COOR cAttacker : the location of the checking piece
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c, cExposed;
+ int iAttackDelta = DIRECTION_BETWEEN_SQUARES(cAttacker, cKing);
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(InCheck(pos, pos->uToMove));
+ ASSERT(IS_KNIGHT(pos->rgSquare[cKnight].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cKnight].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cKnight].pPiece) ==
+ GET_COLOR(pos->rgSquare[cKing].pPiece));
+ ASSERT(OPPOSITE_COLORS(pos->rgSquare[cAttacker].pPiece,
+ pos->rgSquare[cKing].pPiece));
+ ASSERT(g_iNDeltas[u] != 0);
+
+ do
+ {
+ c = cKnight + g_iNDeltas[u];
+ u++;
+ if (IS_ON_BOARD(c))
+ {
+ if ((c == cAttacker) || BLOCKS_THE_CHECK(c))
+ {
+ cExposed = ExposesCheck(pos, cKnight, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(!p ||
+ OPPOSITE_COLORS(p, pos->rgSquare[cKnight].pPiece));
+ ASSERT(!p || (c == cAttacker));
+ _AddNormalMove(pStack, pos, cKnight, c, p);
+ }
+ }
+ }
+ }
+ while(0 != g_iNDeltas[u]);
+}
+
+
+const INT g_iBDeltas[] = {
+ -17, -15, +15, +17, 0 };
+
+void
+GenerateBishop(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cBishop)
+/**
+
+Routine description:
+
+ This routine is called by GenerateMoves' JumpTable to generate
+ pseudo-legal bishop moves by the piece at cBishop.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cBishop : the bishop location
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ PIECE p;
+
+ ASSERT(IS_BISHOP(pos->rgSquare[cBishop].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cBishop].pPiece) == pos->uToMove);
+
+ //
+ // Note: manually unrolled loop
+ //
+ c = cBishop - 17;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, p);
+ }
+ break;
+ }
+ c += -17;
+ }
+
+ c = cBishop - 15;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, p);
+ }
+ break;
+ }
+ c += -15;
+ }
+
+ c = cBishop + 15;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, p);
+ }
+ break;
+ }
+ c += 15;
+ }
+
+ c = cBishop + 17;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, p);
+ }
+ break;
+ }
+ c += 17;
+ }
+}
+
+
+void
+SaveMeBishop(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cBishop,
+ IN COOR cKing,
+ IN COOR cAttacker)
+/**
+
+Routine description:
+
+ This routine is called by GenerateEscapes' JumpTable in order to
+ generate moves by the bishop at cBishop to alleviate check on its
+ friendly king (at cKing) which is being checked by a piece at
+ cAttacker.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cBishop : the bishop's location
+ COOR cKing : the friendly king's location
+ COOR cAttacker : the checking piece's location
+
+Return value:
+
+ void
+
+**/
+{
+ int iAttackDelta = DIRECTION_BETWEEN_SQUARES(cAttacker, cKing);
+ COOR c;
+ COOR cExposed;
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(InCheck(pos, pos->uToMove));
+ ASSERT(IS_BISHOP(pos->rgSquare[cBishop].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cBishop].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cBishop].pPiece) ==
+ GET_COLOR(pos->rgSquare[cKing].pPiece));
+ ASSERT(OPPOSITE_COLORS(pos->rgSquare[cAttacker].pPiece,
+ pos->rgSquare[cKing].pPiece));
+ ASSERT(g_iBDeltas[u] != 0);
+
+ do
+ {
+ c = cBishop + g_iBDeltas[u];
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if ((c == cAttacker) || BLOCKS_THE_CHECK(c))
+ {
+ ASSERT(!p ||
+ OPPOSITE_COLORS(p, pos->rgSquare[cBishop].pPiece));
+ ASSERT(!p || (c == cAttacker));
+ cExposed = ExposesCheck(pos, cBishop, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == c))
+ {
+ _AddNormalMove(pStack, pos, cBishop, c, p);
+ break;
+ }
+ }
+ else if (!IS_EMPTY(p))
+ {
+ break;
+ }
+ c += g_iBDeltas[u];
+ }
+ u++;
+ }
+ while(0 != g_iBDeltas[u]);
+}
+
+
+const INT g_iRDeltas[] = {
+ -1, +1, +16, -16, 0 };
+
+
+void
+GenerateRook(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cRook)
+/**
+
+Routine description:
+
+ This routine is called by GenerateMoves' JumpTable in order to
+ generate pseudo-legal moves for the rook at position cRook.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cRook : the rook's location
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ PIECE p;
+
+ ASSERT(IS_ROOK(pos->rgSquare[cRook].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cRook].pPiece) == pos->uToMove);
+
+ //
+ // Note: manually unrolled loop
+ //
+ c = cRook - 1;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, p);
+ }
+ break;
+ }
+ c += -1;
+ }
+
+ c = cRook + 1;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, p);
+ }
+ break;
+ }
+ c += 1;
+ }
+
+ c = cRook + 16;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, p);
+ }
+ break;
+ }
+ c += 16;
+ }
+
+ c = cRook - 16;
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, p);
+ }
+ break;
+ }
+ c += -16;
+ }
+}
+
+void
+SaveMeRook(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cRook,
+ IN COOR cKing,
+ IN COOR cAttacker)
+/**
+
+Routine description:
+
+ This routine is called by GenerateEscapes' JumpTable in order to
+ generate moves by the rook at location cRook that alleviate check
+ to the king at cKing. The lone checking piece is at cAttacker.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cRook : the rook's location
+ COOR cKing : the king's location
+ COOR cAttacker : the checker's location
+
+Return value:
+
+ void
+
+**/
+{
+ int iAttackDelta = DIRECTION_BETWEEN_SQUARES(cAttacker, cKing);
+ COOR c;
+ COOR cExposed;
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(InCheck(pos, pos->uToMove));
+ ASSERT(IS_ROOK(pos->rgSquare[cRook].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cRook].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cRook].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cRook].pPiece) ==
+ GET_COLOR(pos->rgSquare[cKing].pPiece));
+ ASSERT(OPPOSITE_COLORS(pos->rgSquare[cAttacker].pPiece,
+ pos->rgSquare[cKing].pPiece));
+ ASSERT(g_iRDeltas[u] != 0);
+
+ do
+ {
+ c = cRook + g_iRDeltas[u];
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if ((c == cAttacker) || BLOCKS_THE_CHECK(c))
+ {
+ ASSERT(!p ||
+ OPPOSITE_COLORS(p, pos->rgSquare[cRook].pPiece));
+ ASSERT(!p || (c == cAttacker));
+ cExposed = ExposesCheck(pos, cRook, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == c))
+ {
+ _AddNormalMove(pStack, pos, cRook, c, p);
+ break;
+ }
+ }
+ else if (!IS_EMPTY(p))
+ {
+ break;
+ }
+ c += g_iRDeltas[u];
+ }
+ u++;
+ }
+ while(0 != g_iRDeltas[u]);
+}
+
+
+void
+GenerateQueen(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cQueen)
+/**
+
+Routine description:
+
+ This routine is called by GenerateMoves' JumpTable in order to
+ generate pseudo-legal moves for the queen at position cQueen.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cQueen : the queen's location
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(IS_QUEEN(pos->rgSquare[cQueen].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cQueen].pPiece) == pos->uToMove);
+ ASSERT(g_iQKDeltas[u] != 0);
+
+ do
+ {
+ c = cQueen + g_iQKDeltas[u];
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (IS_EMPTY(p))
+ {
+ _AddNormalMove(pStack, pos, cQueen, c, 0);
+ }
+ else
+ {
+ if (OPPOSITE_COLORS(p, pos->uToMove))
+ {
+ _AddNormalMove(pStack, pos, cQueen, c, p);
+ }
+ break;
+ }
+ c += g_iQKDeltas[u];
+ }
+ u++;
+ }
+ while(0 != g_iQKDeltas[u]);
+}
+
+
+void
+SaveMeQueen(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cQueen,
+ IN COOR cKing,
+ IN COOR cAttacker)
+/**
+
+Routine description:
+
+ This routine is called by code in GenerateEscapes in order to
+ generate moves by the queen at square cQueen that alleviate check
+ on the friendly king at square cKing. The lone enemy piece that
+ is checking the king is sitting on square cAttacker.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cQueen : the queen's location
+ COOR cKing : the friendly king's location
+ COOR cAttacker : the attacker's location
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ COOR cExposed;
+ int iAttackDelta = DIRECTION_BETWEEN_SQUARES(cAttacker, cKing);
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(InCheck(pos, pos->uToMove));
+ ASSERT(IS_QUEEN(pos->rgSquare[cQueen].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cQueen].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cQueen].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cQueen].pPiece) ==
+ GET_COLOR(pos->rgSquare[cKing].pPiece));
+ ASSERT(OPPOSITE_COLORS(pos->rgSquare[cAttacker].pPiece,
+ pos->rgSquare[cKing].pPiece));
+ ASSERT(g_iQKDeltas[u] != 0);
+
+ do
+ {
+ c = cQueen + g_iQKDeltas[u];
+ while(IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if ((c == cAttacker) || BLOCKS_THE_CHECK(c))
+ {
+ ASSERT(!p ||
+ OPPOSITE_COLORS(p, pos->rgSquare[cQueen].pPiece));
+ ASSERT(!p || (c == cAttacker));
+ cExposed = ExposesCheck(pos, cQueen, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == c))
+ {
+ _AddNormalMove(pStack, pos, cQueen, c, p);
+ break;
+ }
+ }
+ else if (!IS_EMPTY(p))
+ {
+ break;
+ }
+ c += g_iQKDeltas[u];
+ }
+ u++;
+ }
+ while(0 != g_iQKDeltas[u]);
+}
+
+void
+GenerateBlackKing(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cKing)
+/**
+
+Routine description:
+
+ This function is called by GenerateMoves in order to generate
+ pseudo-legal moves for the black king at square cKing. Note: this
+ function often generates illegal castling moves and relies on the
+ MakeMove code to decide about the legality of the castle.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cKing : the king location
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cKing].pPiece) == pos->uToMove);
+ ASSERT(g_iQKDeltas[u] != 0);
+
+ do
+ {
+ c = cKing + g_iQKDeltas[u];
+ u++;
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+
+ //
+ // This logical OR replaced with bitwise OR; the effect is
+ // the same the the bitwise is marginally faster.
+ //
+ if (IS_EMPTY(p) | (GET_COLOR(p)))
+ {
+ _AddNormalMove(pStack, pos, cKing, c, p);
+ }
+ }
+ }
+ while(0 != g_iQKDeltas[u]);
+
+ if ((pos->bvCastleInfo & BLACK_CAN_CASTLE) == 0) return;
+#ifdef DEBUG
+ p = pos->rgSquare[E8].pPiece;
+ ASSERT(IS_KING(p));
+ ASSERT(cKing == E8);
+#endif
+
+ //
+ // Note: no castling through check is enforced at the time the
+ // move is played. This is a "pseudo-legal" move when generated.
+ //
+ if ((pos->bvCastleInfo & CASTLE_BLACK_SHORT) &&
+ (IS_EMPTY(pos->rgSquare[G8].pPiece)) &&
+ (IS_EMPTY(pos->rgSquare[F8].pPiece)))
+ {
+ ASSERT(pos->rgSquare[H8].pPiece == BLACK_ROOK);
+ _AddCastle(pStack, pos, E8, G8);
+ }
+
+ if ((pos->bvCastleInfo & CASTLE_BLACK_LONG) &&
+ (IS_EMPTY(pos->rgSquare[C8].pPiece)) &&
+ (IS_EMPTY(pos->rgSquare[D8].pPiece)) &&
+ (IS_EMPTY(pos->rgSquare[B8].pPiece)))
+ {
+ ASSERT(pos->rgSquare[A8].pPiece == BLACK_ROOK);
+ _AddCastle(pStack, pos, E8, C8);
+ }
+}
+
+//
+// N.B. There is no SaveYourselfBlackKing or SaveYourselfWhiteKing
+// because this functionality is built into phase 1 of
+// GenerateEscapes.
+//
+
+void
+GenerateWhiteKing(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cKing)
+/**
+
+Routine description:
+
+ This function is called by GenerateMoves in order to generate
+ pseudo-legal king moves by the white king at square cKing. Note:
+ it often generates illegal castling moves and relies on the code
+ in MakeMove to determine the legality of castles.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cKing : the king location
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ ULONG u = 0;
+ PIECE p;
+
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cKing].pPiece) == pos->uToMove);
+ ASSERT(g_iQKDeltas[u] != 0);
+
+ do
+ {
+ c = cKing + g_iQKDeltas[u];
+ u++;
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+
+ //
+ // Note: this test covers empty squares also -- it is just
+ // testing that the low order bit (color bit) of p is zero
+ // which is true for black pieces and empty squares. This
+ // is done for speed over readability.
+ //
+ if (GET_COLOR(p) == BLACK)
+ {
+ ASSERT(IS_EMPTY(p) || (GET_COLOR(p) == BLACK));
+ _AddNormalMove(pStack, pos, cKing, c, p);
+ }
+ }
+ }
+ while(0 != g_iQKDeltas[u]);
+
+ if ((pos->bvCastleInfo & WHITE_CAN_CASTLE) == 0) return;
+#ifdef DEBUG
+ p = pos->rgSquare[E1].pPiece;
+ ASSERT(IS_KING(p));
+ ASSERT(cKing == E1);
+#endif
+
+ //
+ // Note: no castling through check is enforced at the time the
+ // move is played. This is a "pseudo-legal" move when generated.
+ //
+ if ((pos->bvCastleInfo & CASTLE_WHITE_SHORT) &&
+ (IS_EMPTY(pos->rgSquare[G1].pPiece)) &&
+ (IS_EMPTY(pos->rgSquare[F1].pPiece)))
+ {
+ ASSERT(pos->rgSquare[H1].pPiece == WHITE_ROOK);
+ _AddCastle(pStack, pos, E1, G1);
+ }
+
+ if ((pos->bvCastleInfo & CASTLE_WHITE_LONG) &&
+ (IS_EMPTY(pos->rgSquare[C1].pPiece)) &&
+ (IS_EMPTY(pos->rgSquare[B1].pPiece)) &&
+ (IS_EMPTY(pos->rgSquare[D1].pPiece)))
+ {
+ ASSERT(pos->rgSquare[A1].pPiece == WHITE_ROOK);
+ _AddCastle(pStack, pos, E1, C1);
+ }
+}
+
+
+void
+GenerateWhitePawn(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cPawn)
+/**
+
+Routine description:
+
+ This function is called by GenerateMoves in order to generate
+ pseudo-legal pawn moves by the pawn at cPawn. It handles
+ en passant captures, double jumps, promotions, etc...
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cPawn : the pawn's location
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uRank = RANK(cPawn);
+ PIECE p;
+ COOR cTo;
+
+ ASSERT(IS_PAWN(pos->rgSquare[cPawn].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == pos->uToMove);
+ ASSERT((RANK(cPawn) >= 2) && (RANK(cPawn) <= 7));
+
+ if (uRank != 7)
+ {
+ cTo = cPawn - 16;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, 0);
+ if (uRank == 2)
+ {
+ cTo = cPawn - 32;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddDoubleJump(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+ cTo = cPawn - 15;
+ if (IS_ON_BOARD(cTo))
+ {
+ if (cTo == pos->cEpSquare)
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p) == BLACK))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+ cTo = cPawn - 17;
+ if (IS_ON_BOARD(cTo))
+ {
+ if (cTo == pos->cEpSquare)
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p) == BLACK))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+ }
+ else
+ {
+ ASSERT(RANK7(cPawn));
+ cTo = cPawn - 16;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ cTo = cPawn - 15;
+ if (IS_ON_BOARD(cTo))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p) == BLACK))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+ cTo = cPawn - 17;
+ if (IS_ON_BOARD(cTo))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p) == BLACK))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+}
+
+
+void
+SaveMeWhitePawn(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cPawn,
+ IN COOR cKing,
+ IN COOR cAttacker)
+/**
+
+Routine description:
+
+ This function is called by the GenerateEscapes code in order to
+ ask for a pawn's help in alleviating check on the king at square
+ cKing. The lone attacker to said king is on square cAttacker.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cPawn : the pawn's location
+ COOR cKing : the friendly king's location
+ COOR cAttacker : the location of the lone checker to the king
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uRank = RANK(cPawn);
+ PIECE p;
+ COOR cTo;
+ COOR cExposed;
+ int iAttackDelta = DIRECTION_BETWEEN_SQUARES(cAttacker, cKing);
+
+ ASSERT(InCheck(pos, pos->uToMove));
+ ASSERT(IS_PAWN(pos->rgSquare[cPawn].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == WHITE);
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) ==
+ GET_COLOR(pos->rgSquare[cKing].pPiece));
+ ASSERT(OPPOSITE_COLORS(pos->rgSquare[cAttacker].pPiece,
+ pos->rgSquare[cKing].pPiece));
+ ASSERT((RANK(cPawn) >= 2) && (RANK(cPawn) <= 7));
+
+ if (uRank != 7)
+ {
+ cTo = cPawn - 16;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ if (BLOCKS_THE_CHECK(cTo) &&
+ !IS_ON_BOARD(ExposesCheck(pos, cPawn, cKing)))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, 0);
+ }
+
+ if (uRank == 2)
+ {
+ cTo = cPawn - 32;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece) &&
+ BLOCKS_THE_CHECK(cTo) &&
+ !IS_ON_BOARD(ExposesCheck(pos, cPawn, cKing)))
+ {
+ _AddDoubleJump(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+
+ cTo = cPawn - 15;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == BLACK);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+
+ //
+ // N.B. There is no possible way to block check with an
+ // en-passant capture because by definition the last move made
+ // by the other side was the pawn double jump. So only handle
+ // if the double jumping enemy pawn is the attacker and we can
+ // kill it en passant.
+ //
+ if ((cTo == pos->cEpSquare) && (cAttacker == cTo + 16))
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+
+ cTo = cPawn - 17;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == BLACK);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+ if ((cTo == pos->cEpSquare) && (cAttacker == cTo + 16))
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+ }
+ else
+ {
+ ASSERT(RANK7(cPawn));
+ cTo = cPawn - 16;
+ if (BLOCKS_THE_CHECK(cTo) && IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+
+ cTo = cPawn - 15;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == BLACK);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+
+ cTo = cPawn - 17;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == BLACK);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+}
+
+
+void
+GenerateBlackPawn(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cPawn)
+/**
+
+Routine description:
+
+ This code is called by GenerateMoves in order to handle move
+ generation for the black pawn on square cPawn. It handles
+ en passant captures, double jumps, and promotion.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the position
+ COOR cPawn : the pawn location
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uRank = RANK(cPawn);
+ PIECE p;
+ COOR cTo;
+
+ ASSERT(IS_PAWN(pos->rgSquare[cPawn].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == pos->uToMove);
+ ASSERT((RANK(cPawn) >= 2) && (RANK(cPawn) <= 7));
+
+ if (uRank != 2)
+ {
+ cTo = cPawn + 16;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, 0);
+ if (uRank == 7)
+ {
+ cTo = cPawn + 32;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddDoubleJump(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+ cTo = cPawn + 15;
+ if (IS_ON_BOARD(cTo))
+ {
+ if (cTo == pos->cEpSquare)
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p)))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+ cTo = cPawn + 17;
+ if (IS_ON_BOARD(cTo))
+ {
+ if (cTo == pos->cEpSquare)
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p)))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+ }
+ else
+ {
+ ASSERT(RANK2(cPawn));
+ cTo = cPawn + 16;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ cTo = cPawn + 15;
+ if (IS_ON_BOARD(cTo))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p)))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+ cTo = cPawn + 17;
+ if (IS_ON_BOARD(cTo))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+
+ //
+ // This logical AND replaced with bitwise AND; the effect
+ // is the same the the bitwise is marginally faster.
+ //
+ if (!IS_EMPTY(p) & (GET_COLOR(p)))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+}
+
+
+void
+SaveMeBlackPawn(IN MOVE_STACK *pStack,
+ IN POSITION *pos,
+ IN COOR cPawn,
+ IN COOR cKing,
+ IN COOR cAttacker)
+/**
+
+Routine description:
+
+ This code is called to ask for a black pawn's help in alleviating
+ check to its king. The pawn is on square cPawn. The friendly
+ king is on square cKing. The lone enemy piece attacking it is on
+ square cAttacker.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+ COOR cPawn : the pawn location
+ COOR cKing : the friendly king location
+ COOR cAttacker : the lone checker location
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uRank = RANK(cPawn);
+ PIECE p;
+ COOR cTo;
+ COOR cExposed;
+ int iAttackDelta = DIRECTION_BETWEEN_SQUARES(cAttacker, cKing);
+
+ ASSERT(InCheck(pos, pos->uToMove));
+ ASSERT(IS_PAWN(pos->rgSquare[cPawn].pPiece));
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == BLACK);
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) == pos->uToMove);
+ ASSERT(GET_COLOR(pos->rgSquare[cPawn].pPiece) ==
+ GET_COLOR(pos->rgSquare[cKing].pPiece));
+ ASSERT(OPPOSITE_COLORS(pos->rgSquare[cAttacker].pPiece,
+ pos->rgSquare[cKing].pPiece));
+ ASSERT((RANK(cPawn) >= 2) && (RANK(cPawn) <= 7));
+
+ if (uRank != 2)
+ {
+ cTo = cPawn + 16;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ if (BLOCKS_THE_CHECK(cTo) &&
+ !IS_ON_BOARD(ExposesCheck(pos, cPawn, cKing)))
+ {
+ _AddNormalMove(pStack, pos, cPawn, cTo, 0);
+ }
+
+ if (uRank == 7)
+ {
+ cTo = cPawn + 32;
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece) &&
+ BLOCKS_THE_CHECK(cTo) &&
+ !IS_ON_BOARD(ExposesCheck(pos, cPawn, cKing)))
+ {
+ _AddDoubleJump(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+
+ cTo = cPawn + 15;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == WHITE);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+
+ //
+ // N.B. There is no possible way to block check with an
+ // en-passant capture because by definition the last move made
+ // by the other side was the pawn double jump. So only handle
+ // if the double jumping enemy pawn is the attacker and we can
+ // kill it en passant.
+ //
+ if ((cTo == pos->cEpSquare) &&
+ (cAttacker == cTo - 16))
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+
+ cTo = cPawn + 17;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == WHITE);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddNormalMove(pStack, pos, cPawn, cTo, p);
+ }
+ }
+ if ((cTo == pos->cEpSquare) &&
+ (cAttacker == cTo - 16))
+ {
+ _AddEnPassant(pStack, pos, cPawn, cTo);
+ }
+ }
+ else
+ {
+ ASSERT(RANK2(cPawn));
+ cTo = cPawn + 16;
+ if (BLOCKS_THE_CHECK(cTo) &&
+ IS_EMPTY(pos->rgSquare[cTo].pPiece))
+ {
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+
+ cTo = cPawn + 15;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == WHITE);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+
+ cTo = cPawn + 17;
+ if (cTo == cAttacker)
+ {
+ cExposed = ExposesCheck(pos, cPawn, cKing);
+ if (!IS_ON_BOARD(cExposed) || (cExposed == cAttacker))
+ {
+ p = pos->rgSquare[cTo].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(GET_COLOR(p) == WHITE);
+ ASSERT(IS_ON_BOARD(cTo));
+ _AddPromote(pStack, pos, cPawn, cTo);
+ }
+ }
+ }
+}
+
+
+void
+InvalidGenerator(IN UNUSED MOVE_STACK *pStack,
+ IN UNUSED POSITION *pos,
+ IN UNUSED COOR cPawn)
+/**
+
+Routine description:
+
+ If you'd like to make a call, please hang up and try your call
+ again...
+
+Parameters:
+
+ IN UNUSED MOVE_STACK *pStack,
+ IN UNUSED POSITION *pos,
+ IN UNUSED COOR cPawn
+
+Return value:
+
+ void
+
+**/
+{
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+}
+
+
+void
+InvalidSaveMe(IN UNUSED MOVE_STACK *pStack,
+ IN UNUSED POSITION *pos,
+ IN UNUSED COOR cPawn,
+ IN UNUSED COOR cKing,
+ IN UNUSED COOR cAttacker)
+/**
+
+Routine description:
+
+ ...if you need help, please dial the operator.
+
+Parameters:
+
+ IN UNUSED MOVE_STACK *pStack,
+ IN UNUSED POSITION *pos,
+ IN UNUSED COOR cPawn,
+ IN UNUSED COOR cKing,
+ IN UNUSED COOR cAttacker
+
+Return value:
+
+ void
+
+**/
+{
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+}
+
+
+static void
+_GenerateAllMoves(IN MOVE_STACK *pStack,
+ IN POSITION *pos)
+/**
+
+Routine description:
+
+ This code generates all pseudo-legal moves in a position. Please
+ see notes at the top of this module for details.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board position
+
+Return value:
+
+ static void
+
+**/
+{
+ COOR c;
+ static void (*JumpTable[])(MOVE_STACK *, POSITION *, COOR) =
+ {
+ InvalidGenerator, // EMPTY
+ InvalidGenerator, // EMPTY | WHITE
+ InvalidGenerator, // 2 (BLACK_PAWN)
+ InvalidGenerator, // 3 (WHITE_PAWN)
+ GenerateKnight, // 4 (BLACK_KNIGHT)
+ GenerateWhiteKnight, // 5 (WHITE_KNIGHT)
+ GenerateBishop, // 6 (BLACK_BISHOP)
+ GenerateBishop, // 7 (WHITE_BISHOP)
+ GenerateRook, // 8 (BLACK_ROOK)
+ GenerateRook, // 9 (WHITE_ROOK)
+ GenerateQueen, // 10 (BLACK_QUEEN)
+ GenerateQueen, // 11 (WHITE_QUEEN)
+ GenerateBlackKing, // 12 (BLACK_KING)
+ GenerateWhiteKing // 13 (WHITE_KING)
+ };
+ ULONG u;
+#ifdef DEBUG
+ PIECE p;
+#endif
+
+ for(u = pos->uNonPawnCount[pos->uToMove][0] - 1;
+ u != (ULONG)-1;
+ u--)
+ {
+ c = pos->cNonPawns[pos->uToMove][u];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(!IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == pos->uToMove);
+#endif
+ (JumpTable[pos->rgSquare[c].pPiece])(pStack, pos, c);
+ }
+
+ if (pos->uToMove == BLACK)
+ {
+ for(u = 0; u < pos->uPawnCount[BLACK]; u++)
+ {
+ c = pos->cPawns[BLACK][u];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == pos->uToMove);
+#endif
+ GenerateBlackPawn(pStack, pos, c);
+ }
+ } else {
+ ASSERT(pos->uToMove == WHITE);
+ for(u = 0; u < pos->uPawnCount[WHITE]; u++)
+ {
+ c = pos->cPawns[WHITE][u];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(c));
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(!IS_EMPTY(p));
+ ASSERT(IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == pos->uToMove);
+#endif
+ GenerateWhitePawn(pStack, pos, c);
+ }
+ }
+}
+
+
+
+static ULONG
+_GenerateEscapes(IN MOVE_STACK *pStack,
+ IN POSITION *pos)
+/**
+
+Routine description:
+
+ This function is called when side to move is in check in order to
+ generate pseudo-legal escapes from check. All legal escapes from
+ check are a subset of the moves returned by this function. In
+ general it's pretty good; the only bug I know about is that it
+ will generate a capture that alleviates check where the capturing
+ piece is pinned to the king (and thus the capture is illegal).
+ The purpose of this function is to allow the search to detect when
+ there is one legal reply to check and possibly extend.
+
+Parameters:
+
+ MOVE_STACK *pStack : the move stack
+ POSITION *pos : the board
+
+Return value:
+
+ ULONG : the number of pieces checking the king
+
+**/
+{
+ ULONG u;
+ ULONG v;
+ COOR c;
+ COOR cDefender;
+ PIECE p;
+ PIECE pKing;
+ COOR cKing = pos->cNonPawns[pos->uToMove][0];
+ int iIndex;
+ SEE_LIST rgCheckers;
+ int iDelta;
+ ULONG uReturn = 0;
+ static void (*JumpTable[])
+ (MOVE_STACK *, POSITION *, COOR, COOR, COOR) =
+ {
+ InvalidSaveMe, // EMPTY
+ InvalidSaveMe, // EMPTY | WHITE
+ InvalidSaveMe, // 2 (BLACK_PAWN)
+ InvalidSaveMe, // 3 (WHITE_PAWN)
+ SaveMeKnight, // 4 (BLACK_KNIGHT)
+ SaveMeKnight, // 5 (WHITE_KNIGHT)
+ SaveMeBishop, // 6 (BLACK_BISHOP)
+ SaveMeBishop, // 7 (WHITE_BISHOP)
+ SaveMeRook, // 8 (BLACK_ROOK)
+ SaveMeRook, // 9 (WHITE_ROOK)
+ SaveMeQueen, // 10 (BLACK_QUEEN)
+ SaveMeQueen, // 11 (WHITE_QUEEN)
+ InvalidSaveMe, // kings already considered
+ InvalidSaveMe // kings already considered
+ };
+
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+ ASSERT(TRUE == InCheck(pos, pos->uToMove));
+
+ //
+ // Use the SEE function GetAttacks to find out how many pieces are
+ // giving check and from whence. Note: we don't sort rgCheckers
+ // here; maybe it would be worth trying. In any event it
+ // shouldn't be affected by treating the list as a minheap
+ // vs. as a sorted list.
+ //
+ GetAttacks(&rgCheckers, pos, cKing, FLIP(pos->uToMove));
+ ASSERT(rgCheckers.uCount > 0);
+ ASSERT(rgCheckers.uCount < 17);
+ uReturn = rgCheckers.uCount;
+
+ //
+ // Phase I: See if the king can flee or take the checking piece.
+ //
+ pKing = pos->rgSquare[cKing].pPiece;
+ ASSERT(GET_COLOR(pKing) == pos->uToMove);
+ ASSERT(IS_KING(pKing));
+ ASSERT(OPPOSITE_COLORS(pKing, rgCheckers.data[0].pPiece));
+ u = 0;
+ while(0 != g_iQKDeltas[u])
+ {
+ c = cKing + g_iQKDeltas[u];
+ u++;
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+
+ //
+ // This logical OR replaced with bitwise OR; the effect is
+ // the same the the bitwise is marginally faster.
+ //
+ if (IS_EMPTY(p) | (OPPOSITE_COLORS(p, pKing)))
+ {
+ if (FALSE == IsAttacked(c, pos, FLIP(pos->uToMove)))
+ {
+ //
+ // So we know the destination square is not under
+ // attack right now... but that could be because
+ // the present (pre-move) king position "blocks"
+ // the attack. Detect this.
+ //
+ for (v = 0;
+ v < rgCheckers.uCount;
+ v++)
+ {
+ ASSERT(OPPOSITE_COLORS(pKing,
+ rgCheckers.data[v].pPiece));
+ if (!IS_PAWN(rgCheckers.data[v].pPiece) &&
+ !IS_KNIGHT(rgCheckers.data[v].pPiece))
+ {
+ iIndex = (int)rgCheckers.data[v].cLoc -
+ (int)cKing;
+ iDelta = CHECK_DELTA_WITH_INDEX(iIndex);
+ ASSERT(iDelta);
+
+ iIndex = (int)rgCheckers.data[v].cLoc -
+ (int)c;
+ if (iDelta == CHECK_DELTA_WITH_INDEX(iIndex))
+ {
+ goto loop;
+ }
+ }
+ }
+ ASSERT(v == rgCheckers.uCount);
+
+ //
+ // If we get here the square is not under attack
+ // and it does not contain our own piece. It's
+ // either empty or contains an enemy piece.
+ //
+ ASSERT(!p || OPPOSITE_COLORS(pKing, p));
+ _AddNormalMove(pStack, pos, cKing, c, p);
+ uReturn += 0x00010000;
+ }
+ }
+ }
+ loop:
+ ;
+ }
+
+ //
+ // N.B. If there is more than one piece checking the king then
+ // there is no way to escape check by blocking check with another
+ // piece or capturing the offending piece. The two attackers
+ // cannot be on the same rank, file or diagonal because this would
+ // depend on the previous position being illegal.
+ //
+ if (rgCheckers.uCount > 1)
+ {
+#ifdef DEBUG
+ //
+ // Note: the above comment is correct but this assertion fails
+ // on positions that we made up to run TestSearch. Disabled
+ // for now.
+ //
+#if 0
+ iDelta = DIRECTION_BETWEEN_SQUARES(rgCheckers.data[0].cLoc, cKing);
+ for (v = 1; v < rgCheckers.uCount; v++)
+ {
+ if (DIRECTION_BETWEEN_SQUARES(rgCheckers.data[v].cLoc, cKing) !=
+ iDelta)
+ {
+ break;
+ }
+ }
+ ASSERT(v != rgCheckers.uCount);
+#endif
+#endif
+ return(uReturn);
+ }
+
+ //
+ // Phase 2: If we get here there is a lone attacker causing check.
+ // See if the other pieces can block the check or take the
+ // checking piece.
+ //
+ c = rgCheckers.data[0].cLoc;
+ for (u = 1; // don't consider the king
+ u < pos->uNonPawnCount[pos->uToMove][0];
+ u++)
+ {
+ cDefender = pos->cNonPawns[pos->uToMove][u];
+ ASSERT(IS_ON_BOARD(cDefender));
+ p = pos->rgSquare[cDefender].pPiece;
+ ASSERT(p && !IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == pos->uToMove);
+
+ (JumpTable[p])(pStack, pos, cDefender, cKing, c);
+ }
+
+ // Consider all pawns too
+ if (pos->uToMove == BLACK)
+ {
+ for (u = 0; u < pos->uPawnCount[BLACK]; u++)
+ {
+ cDefender = pos->cPawns[BLACK][u];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(cDefender));
+ p = pos->rgSquare[cDefender].pPiece;
+ ASSERT(p && IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == pos->uToMove);
+#endif
+ SaveMeBlackPawn(pStack, pos, cDefender, cKing, c);
+ }
+ } else {
+ ASSERT(pos->uToMove == WHITE);
+ for (u = 0; u < pos->uPawnCount[WHITE]; u++)
+ {
+ cDefender = pos->cPawns[WHITE][u];
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(cDefender));
+ p = pos->rgSquare[cDefender].pPiece;
+ ASSERT(p && IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == pos->uToMove);
+#endif
+ SaveMeWhitePawn(pStack, pos, cDefender, cKing, c);
+ }
+ }
+ return(uReturn);
+}
+
+
+typedef struct _PRECOMP_KILLERS
+{
+ MOVE mv;
+ ULONG uBonus;
+}
+PRECOMP_KILLERS;
+
+static void
+_ScoreAllMoves(IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mvHash)
+/**
+
+Routine description:
+
+ We have just generated all the moves, now score them. See comments
+ inline below about order.
+
+Parameters:
+
+ IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mvHash,
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG uPly = ctx->uPly;
+ POSITION *pos = &ctx->sPosition;
+ ULONG u;
+ MOVE mv;
+ SCORE s;
+ MOVE_STACK_MOVE_VALUE_FLAGS mvf;
+ ULONG uHashMoveLoc = (ULONG)-1;
+ ULONG uColor = pos->uToMove;
+ PRECOMP_KILLERS sKillers[4];
+ COOR cEnprise = GetEnprisePiece(pos, uColor);
+
+ //
+ // We have generated all moves here. We also know that we are not
+ // escaping from check. There can be a hash move -- if there is
+ // then the search has already tried it and we should not generate
+ // it again.
+ //
+ // White has 218 legal moves in this position:
+ // 3Q4/1Q4Q1/4Q3/2Q4R/Q4Q2/3Q4/1Q4Rp/1K1BBNNk w - - 0 1
+ //
+
+ //
+ // Pre-populate killer/bonuses
+ //
+ sKillers[0].mv = ctx->mvKiller[uPly][0];
+ sKillers[0].uBonus = FIRST_KILLER;
+ sKillers[1].mv.uMove = sKillers[3].mv.uMove = 0;
+ sKillers[2].mv = ctx->mvKiller[uPly][1];
+ sKillers[2].uBonus = THIRD_KILLER;
+ if (uPly > 1)
+ {
+ sKillers[1].mv = ctx->mvKiller[uPly - 2][0];
+ sKillers[1].uBonus = SECOND_KILLER;
+ sKillers[3].mv = ctx->mvKiller[uPly - 2][1];
+ sKillers[3].uBonus = FOURTH_KILLER;
+ }
+ sKillers[0].uBonus |=
+ (SORT_THESE_FIRST * (IS_KILLERMATE_MOVE(sKillers[0].mv) != 0));
+ sKillers[1].uBonus |=
+ (SORT_THESE_FIRST * (IS_KILLERMATE_MOVE(sKillers[1].mv) != 0));
+ sKillers[2].uBonus |=
+ (SORT_THESE_FIRST * (IS_KILLERMATE_MOVE(sKillers[2].mv) != 0));
+ sKillers[3].uBonus |=
+ (SORT_THESE_FIRST * (IS_KILLERMATE_MOVE(sKillers[3].mv) != 0));
+
+ //
+ // Score moves
+ //
+ ASSERT(MOVE_COUNT(ctx, uPly) <= MAX_MOVES_PER_PLY);
+ for (u = pStack->uBegin[uPly];
+ u < pStack->uEnd[uPly];
+ u++)
+ {
+ mv = pStack->mvf[u].mv;
+ ASSERT(mv.uMove);
+ ASSERT(GET_COLOR(mv.pMoved) == uColor);
+ if (!IS_SAME_MOVE(mv, mvHash))
+ {
+#ifdef DEBUG
+ pStack->mvf[u].iValue = -MAX_INT;
+ pStack->mvf[u].bvFlags = 0;
+#endif
+ //
+ // 1. Hash move (already handled by search, all we have to
+ // do here is not generate it)
+ // 2. Killer mate move, if one exists
+ // 3. Winning captures & promotions (MVV/LVA to tiebreak)
+ // 4. Even captures & promotions -- >= SORT_THESE_FIRST
+ // 5. Killer move 1-4
+ // 6. "good" moves (moves away from danger etc...)
+ // 7. Other non capture moves (using dynamic move ordering scheme)
+ // 8. Losing captures -- <0
+ //
+
+ //
+ // Captures and promotions, use SEE
+ //
+ if (IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ ASSERT((mv.pCaptured) || (mv.pPromoted));
+ s = PIECE_VALUE(mv.pCaptured) -
+ PIECE_VALUE(mv.pMoved);
+ if ((s <= 0) || mv.pPromoted)
+ {
+ s = SEE(pos, mv);
+ }
+
+ if (s >= 0)
+ {
+ s += PIECE_VALUE_OVER_100(mv.pCaptured) + 120;
+ s += PIECE_VALUE_OVER_100(mv.pPromoted);
+ s -= PIECE_VALUE_OVER_100(mv.pMoved);
+ s += SORT_THESE_FIRST;
+
+ //
+ // IDEA: bonus for capturing opponent's last moved
+ // piece to encourage quicker fail highs?
+ //
+ ASSERT(s >= SORT_THESE_FIRST);
+ ASSERT(s > 0);
+ ASSERT((s & STRIP_OFF_FLAGS) < VALUE_KING);
+ }
+#ifdef DEBUG
+ else
+ {
+ ASSERT((s & STRIP_OFF_FLAGS) > -VALUE_KING);
+ s -= VALUE_KING;
+ ASSERT(s < 0);
+ }
+#endif
+ }
+
+ //
+ // Non-captures/promotes use history/killer
+ //
+ else
+ {
+ ASSERT((!mv.pCaptured) && (!mv.pPromoted));
+ s = g_iPSQT[mv.pMoved][mv.cTo]; // 0..1000
+ s |= (IS_SAME_MOVE(sKillers[0].mv, mv) * sKillers[0].uBonus);
+ s |= (IS_SAME_MOVE(sKillers[1].mv, mv) * sKillers[1].uBonus);
+ s |= (IS_SAME_MOVE(sKillers[2].mv, mv) * sKillers[2].uBonus);
+ s |= (IS_SAME_MOVE(sKillers[3].mv, mv) * sKillers[3].uBonus);
+ s |= ((GOOD_MOVE + PIECE_VALUE(mv.pMoved) / 2) *
+ (mv.cFrom == cEnprise));
+ ASSERT(s >= 0);
+ }
+ pStack->mvf[u].iValue = s;
+ ASSERT(pStack->mvf[u].iValue != -MAX_INT);
+ }
+ else
+ {
+ ASSERT(uHashMoveLoc == (ULONG)-1);
+ uHashMoveLoc = u;
+#ifdef DEBUG
+ ASSERT((mv.cFrom == mvHash.cFrom) && (mv.cTo == mvHash.cTo));
+ pStack->mvf[u].bvFlags |= MVF_MOVE_SEARCHED;
+#endif
+ }
+
+ } // next move
+
+ //
+ // If we generated the hash move, stick it at the end and pretend
+ // we didn't... it was already considered by the search and we
+ // should not generate it again.
+ //
+ if (uHashMoveLoc != (ULONG)-1)
+ {
+ ASSERT(MOVE_COUNT(ctx, uPly) >= 1);
+ ASSERT(uHashMoveLoc >= pStack->uBegin[uPly]);
+ ASSERT(uHashMoveLoc < pStack->uEnd[uPly]);
+ mvf = pStack->mvf[uHashMoveLoc];
+ pStack->mvf[uHashMoveLoc] = pStack->mvf[pStack->uEnd[uPly] - 1];
+#ifdef DEBUG
+ pStack->mvf[pStack->uEnd[uPly] - 1] = mvf;
+#endif
+ pStack->uEnd[uPly]--;
+ }
+}
+
+
+
+static void
+_ScoreAllEscapes(IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mvHash)
+/**
+
+Routine description:
+
+ We have just generated all the moves, now score them. See comments
+ inline below about order.
+
+Parameters:
+
+ IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mvHash,
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG uPly = ctx->uPly;
+ POSITION *pos = &ctx->sPosition;
+ ULONG u;
+ MOVE mv;
+ SCORE s;
+ MOVE_STACK_MOVE_VALUE_FLAGS mvf;
+ ULONG uHashMoveLoc = (ULONG)-1;
+ COOR c;
+ ULONG v;
+ PIECE p;
+ static SCORE _bonus[2][7] = {
+ { 0, 2000, 1250, 1500, 1100, 850, 0 }, // friend
+ { 0, 1600, 100, 100, 50, -1, -1 }, // foe
+ };
+
+ //
+ // We have generated legal escapes from check here. There can be
+ // a hash move -- if there is then the search has already tried it
+ // and we should not generate it again.
+ //
+
+ ASSERT(MOVE_COUNT(ctx, uPly) <= MAX_MOVES_PER_PLY);
+ for (u = pStack->uBegin[uPly];
+ u < pStack->uEnd[uPly];
+ u++)
+ {
+ mv = pStack->mvf[u].mv;
+ ASSERT(mv.uMove);
+ ASSERT(GET_COLOR(mv.pMoved) == pos->uToMove);
+ if (!IS_SAME_MOVE(mv, mvHash))
+ {
+#ifdef DEBUG
+ pStack->mvf[u].iValue = -MAX_INT;
+ pStack->mvf[u].bvFlags = 0;
+#endif
+ pStack->mvf[u].mv.bvFlags |= MOVE_FLAG_ESCAPING_CHECK;
+
+ //
+ // 1. Hash move (already handled by search, all we have to
+ // do here is not generate it)
+ // 2. Winning captures by pieces other than the checked king
+ // 3. Winning captures by the king
+ // 4. Even captures by pieces other than the king
+ // 5. Killer escapes
+ // 6. Moves that block the check and are even
+ // 7. King moves
+ // 8. Losing captures / blocks
+ //
+
+ //
+ // Captures and promotions, use SEE
+ //
+ if (IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ ASSERT((mv.pCaptured) || (mv.pPromoted));
+ s = PIECE_VALUE(mv.pCaptured) -
+ PIECE_VALUE(mv.pMoved);
+ if ((s <= 0) || mv.pPromoted)
+ {
+ s = SEE(pos, mv);
+ }
+
+ if (s > 0)
+ {
+ // Winning captures: take with pieces before with king
+ s += PIECE_VALUE_OVER_100(mv.pPromoted);
+ s -= PIECE_VALUE_OVER_100(mv.pMoved);
+ s >>= IS_KING(mv.pMoved);
+ s |= SORT_THESE_FIRST;
+ ASSERT(s >= SORT_THESE_FIRST);
+ ASSERT(s > 0);
+ ASSERT((s & STRIP_OFF_FLAGS) < VALUE_KING);
+ }
+ else if (s == 0)
+ {
+ // Even capture -- can't be capturing w/ king
+ ASSERT(!IS_KING(mv.pMoved));
+ s += PIECE_VALUE_OVER_100(mv.pPromoted) + 20;
+ s -= PIECE_VALUE_OVER_100(mv.pMoved);
+ s |= FIRST_KILLER;
+ ASSERT(s > 0);
+ }
+#ifdef DEBUG
+ else
+ {
+ // Losing capture
+ ASSERT(!IS_KING(mv.pMoved));
+ ASSERT((s & STRIP_OFF_FLAGS) > -VALUE_KING);
+ s -= VALUE_KING;
+ ASSERT(s < 0);
+ }
+#endif
+ }
+
+ //
+ // Non-captures/promotes
+ //
+ else
+ {
+ ASSERT((!mv.pCaptured) && (!mv.pPromoted));
+ if (IS_SAME_MOVE(mv, ctx->mvKillerEscapes[uPly][0]) ||
+ IS_SAME_MOVE(mv, ctx->mvKillerEscapes[uPly][1]))
+ {
+ s = SECOND_KILLER;
+ ASSERT(s >= 0);
+ }
+ else
+ {
+ s = g_iPSQT[mv.pMoved][mv.cTo]; // 0..1000
+ if (!IS_KING(mv.pMoved))
+ {
+ // 0..2400
+ s += (VALUE_QUEEN - PIECE_VALUE(mv.pMoved)) * 4;
+ if (SEE(pos, mv) >= 0)
+ {
+ // Non-losing block of check
+ ASSERT(SEE(pos, mv) == 0);
+ s |= THIRD_KILLER;
+ ASSERT(s >= 0);
+ }
+ else
+ {
+ // Losing block of check
+ s -= VALUE_KING;
+ ASSERT(s < 0);
+ }
+ }
+ else
+ {
+ // If the king is fleeing, encourage a spot next
+ // to friendly pieces.
+ v = 0;
+ do {
+ c = mv.cTo + g_iQKDeltas[v++];
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ s += _bonus[OPPOSITE_COLORS(pos->uToMove, p)]
+ [PIECE_TYPE(p)];
+ ASSERT(_bonus[OPPOSITE_COLORS(pos->uToMove, p)]
+ [PIECE_TYPE(p)] >= 0);
+ }
+ }
+ while(g_iQKDeltas[v] != 0);
+ }
+ }
+ }
+ pStack->mvf[u].iValue = s;
+ ASSERT(pStack->mvf[u].iValue != -MAX_INT);
+ }
+ else
+ {
+ ASSERT(uHashMoveLoc == (ULONG)-1);
+ uHashMoveLoc = u;
+#ifdef DEBUG
+ ASSERT((mv.cFrom == mvHash.cFrom) && (mv.cTo == mvHash.cTo));
+ pStack->mvf[u].bvFlags |= MVF_MOVE_SEARCHED;
+#endif
+ }
+ } // next move
+
+ //
+ // If we generated the hash move, stick it at the end and pretend
+ // we didn't... it was already considered by the search and we
+ // should not generate it again.
+ //
+ if (uHashMoveLoc != (ULONG)-1)
+ {
+ ASSERT(MOVE_COUNT(ctx, uPly) >= 1);
+ ASSERT(uHashMoveLoc >= pStack->uBegin[uPly]);
+ ASSERT(uHashMoveLoc < pStack->uEnd[uPly]);
+ mvf = pStack->mvf[uHashMoveLoc];
+ pStack->mvf[uHashMoveLoc] = pStack->mvf[pStack->uEnd[uPly] - 1];
+#ifdef DEBUG
+ pStack->mvf[pStack->uEnd[uPly] - 1] = mvf;
+#endif
+ pStack->uEnd[uPly]--;
+ }
+}
+
+
+
+static void
+_ScoreQSearchMovesInclChecks(IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ We have just generated all the moves. We were called from the
+ Qsearch so:
+
+ 1. Unlike _ScoreAllMoves we don't have to think about a hash move
+ 2. QSearch only cares about winning/even captures/promotes and
+ checking moves.
+
+ Like _ScoreSearchMoves, this function takes "hints" from the
+ searcher context about what squares are in danger and tries to
+ order moves away from those squares sooner. Unlike
+ _ScoreSearchMoves this function also attempts to capture enemies
+ that are in danger sooner.
+
+Parameters:
+
+ IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ static void
+
+**/
+{
+ register POSITION *pos = &ctx->sPosition;
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ ULONG uPly = ctx->uPly;
+ ULONG u, uColor = pos->uToMove;
+ MOVE mv;
+ MOVE mvLast = (pi-1)->mv;
+ SCORE s;
+ COOR cEnprise = GetEnprisePiece(pos, uColor);
+
+ //
+ // We have generate all moves or just legal escapes from check
+ // here. There can be a hash move -- if there is then the search
+ // has already tried it and we should not generate it again.
+ //
+ // White has 218 legal moves in this position:
+ // 3Q4/1Q4Q1/4Q3/2Q4R/Q4Q2/3Q4/1Q4Rp/1K1BBNNk w - - 0 1
+ //
+ ASSERT(MOVE_COUNT(ctx, uPly) <= MAX_MOVES_PER_PLY);
+ ASSERT(uPly >= 1);
+
+ for (u = pStack->uBegin[uPly];
+ u < pStack->uEnd[uPly];
+ u++)
+ {
+ mv = pStack->mvf[u].mv;
+ ASSERT(GET_COLOR(mv.pMoved) == uColor);
+#ifdef DEBUG
+ pStack->mvf[u].iValue = -MAX_INT;
+ pStack->mvf[u].bvFlags = 0;
+#endif
+ pStack->mvf[u].mv.bvFlags |= WouldGiveCheck(ctx, mv);
+
+ //
+ // 1. There can't be a hash move so don't worry about it
+ // 2. Winning captures & promotions
+ // 3. Even captures & promotions -- >= SORT_THESE_FIRST
+ // 4. Checking non-capture moves
+ // 5. Losing captures that check -- > 0
+ // 6. Everything else is ignored -- <= 0
+ //
+
+ //
+ // Captures and promotions, use SEE
+ //
+ if (IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ ASSERT((mv.pCaptured) || (mv.pPromoted));
+ s = PIECE_VALUE(mv.pCaptured) -
+ PIECE_VALUE(mv.pMoved);
+ if ((s <= 0) || mv.pPromoted)
+ {
+ s = SEE(pos, mv);
+ }
+
+ if (s >= 0)
+ {
+ //
+ // Winning / even captures / promotes should be >=
+ // SORT_THESE_FIRST.
+ //
+ s += PIECE_VALUE_OVER_100(mv.pCaptured) + 120;
+ s += PIECE_VALUE_OVER_100(mv.pPromoted);
+ s -= PIECE_VALUE_OVER_100(mv.pMoved);
+ s += SORT_THESE_FIRST;
+
+ //
+ // Bonus if it checks too
+ //
+ s += (pStack->mvf[u].mv.bvFlags & MOVE_FLAG_CHECKING) * 4;
+
+ //
+ // Bonus for capturing last moved enemy piece.
+ //
+ s += (mv.cTo == mvLast.cTo) * 64;
+ ASSERT(s >= SORT_THESE_FIRST);
+ ASSERT(s > 0);
+ }
+ else
+ {
+ //
+ // Make losing captures into either zero scores or
+ // slightly positive if they check. Qsearch is going
+ // to bail as soon as it sees the first zero so no
+ // need to keep real SEE scores on these.
+ //
+ s = (pStack->mvf[u].mv.bvFlags & MOVE_FLAG_CHECKING);
+ ASSERT(s >= 0);
+ }
+ }
+
+ //
+ // Non-captures/promotes -- we don't care unless they check
+ //
+ else
+ {
+ s = (pStack->mvf[u].mv.bvFlags & MOVE_FLAG_CHECKING) * 2;
+ ASSERT(s >= 0);
+ ASSERT(s < SORT_THESE_FIRST);
+ }
+
+ //
+ // If this move moves a piece that was in danger, consider it
+ // sooner.
+ //
+ if (s > 0)
+ {
+ ASSERT(IS_CAPTURE_OR_PROMOTION(pStack->mvf[u].mv) ||
+ IS_CHECKING_MOVE(pStack->mvf[u].mv));
+ s += (mv.cFrom == cEnprise) * (PIECE_VALUE(mv.pMoved) / 4);
+ ASSERT(s > 0);
+ }
+ pStack->mvf[u].iValue = s;
+ ASSERT(pStack->mvf[u].iValue != -MAX_INT);
+
+ } // next move
+}
+
+
+static void
+_ScoreQSearchMovesNoChecks(IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ We have just generated all the moves. We were called from the
+ Qsearch so:
+
+ 1. Unlike _ScoreAllMoves we don't have to think about a hash move
+ 2. QSearch only cares about winning/even captures/promotes. At
+ this point it is so deep that it doesn't even care about
+ checks.
+
+ Like _ScoreSearchMoves, this function takes "hints" from the
+ searcher context about what squares are in danger and tries to
+ order moves away from those squares sooner. Unlike
+ _ScoreSearchMoves this function also attempts to capture enemies
+ that are in danger sooner.
+
+Parameters:
+
+ IN MOVE_STACK *pStack,
+ IN SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ static void
+
+**/
+{
+ register POSITION *pos = &(ctx->sPosition);
+ ULONG uPly = ctx->uPly;
+ ULONG u, uColor;
+ MOVE mv;
+ SCORE s;
+
+ //
+ // We have generate all moves or just legal escapes from check
+ // here. There can be a hash move -- if there is then the search
+ // has already tried it and we should not generate it again.
+ //
+ // White has 218 legal moves in this position:
+ // 3Q4/1Q4Q1/4Q3/2Q4R/Q4Q2/3Q4/1Q4Rp/1K1BBNNk w - - 0 1
+ //
+ ASSERT(MOVE_COUNT(ctx, uPly) <= MAX_MOVES_PER_PLY);
+
+ uColor = pos->uToMove;
+ for (u = pStack->uBegin[uPly];
+ u < pStack->uEnd[uPly];
+ u++)
+ {
+ mv = pStack->mvf[u].mv;
+ ASSERT(GET_COLOR(mv.pMoved) == uColor);
+#ifdef DEBUG
+ pStack->mvf[u].iValue = -MAX_INT;
+ pStack->mvf[u].bvFlags = 0;
+#endif
+ //
+ // 1. There can't be a hash move so don't worry about it
+ // 2. Winning captures & promotions
+ // 3. Even captures & promotions -- >= SORT_THESE_FIRST
+ // 4. Everything else is ignored -- <= 0
+ //
+
+ //
+ // Captures and promotions, use SEE
+ //
+ s = 0;
+ if (IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ ASSERT((mv.pCaptured) || (mv.pPromoted));
+ s = PIECE_VALUE(mv.pCaptured) -
+ PIECE_VALUE(mv.pMoved);
+ //
+ // TODO: how does this handle positions like K *p *k ?
+ //
+ if (s <= 0)
+ {
+ s = SEE(pos, mv);
+ }
+
+ if (s >= 0)
+ {
+ //
+ // Winning / even captures / promotes should be >=
+ // SORT_THESE_FIRST.
+ //
+ s += PIECE_VALUE_OVER_100(mv.pCaptured) + 120;
+ s += PIECE_VALUE_OVER_100(mv.pPromoted);
+ s -= PIECE_VALUE_OVER_100(mv.pMoved);
+ s += SORT_THESE_FIRST;
+
+ //
+ // IDEA: bonus for capturing an enprise enemy piece?
+ //
+ ASSERT(s >= SORT_THESE_FIRST);
+ ASSERT(s > 0);
+ }
+ }
+ pStack->mvf[u].iValue = s;
+ ASSERT(pStack->mvf[u].iValue != -MAX_INT);
+
+ } // next move
+}
+
+
+
+void
+GenerateMoves(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mvHash,
+ IN ULONG uType)
+/**
+
+Routine description:
+
+ This is the entrypoint to the move generator. It invokes the
+ requested generation code which push moves onto the move stack in
+ ctx. Once the moves are generated this code optionally will score
+ the moves.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : a searcher thread's context
+
+ IN: ctx->sPosition.uDangerCount and ctx->sPosition.cDanger
+ data is used to tweak move scoring. This data MUST be
+ consistent with the state of the current board.
+
+ OUT: ctx->sMoveStack.uBegin[ctx->uPly] is set,
+ ctx->sMoveStack.uEnd[ctx->uPly] is set,
+ ctx->sMoveStack.mvf[begin..end] are populated
+
+ MOVE mvHash : the hash move to not generate
+
+ ULONG uType : what kind of moves to generate
+
+ GENERATE_ALL_MOVES : pseudo-legal generation of all moves;
+ scored by _ScoreAllMoves. Return value is count of moves
+ generated.
+
+ GENERATE_ESCAPE: called when stm in check, generate evasions
+ scored by _ScoreAllMoves. Return value is special code;
+ see inline comment below.
+
+ GENERATE_CAPTURES_PROMS_CHECKS: caps, promotions, and checks
+ scored by _ScoreQSearchMoves. Return value is count of
+ moves generated.
+
+ GENERATE_CAPTURES_PROMS: caps, promotions. Skip the checks.
+
+ GENERATE_DONT_SCORE: pseudo-legal generation of all moves;
+ not scored to save time. Return value always zero.
+
+Return value:
+
+ void
+
+**/
+{
+ register ULONG uPly = ctx->uPly;
+ MOVE_STACK *pStack = &ctx->sMoveStack;
+ POSITION *pos = &ctx->sPosition;
+ ULONG uReturn;
+#ifdef DEBUG
+ POSITION board;
+ ULONG u;
+ MOVE mv;
+ PIECE p;
+
+ ASSERT((uPly >= 0) && (uPly < MAX_PLY_PER_SEARCH));
+ memcpy(&board, pos, sizeof(POSITION));
+ memcpy(&(pStack->board[uPly]), pos, sizeof(POSITION));
+
+ //
+ // Make sure the hash move makes sense (if provided)
+ //
+ if (mvHash.uMove)
+ {
+ p = pos->rgSquare[mvHash.cFrom].pPiece;
+ ASSERT(p);
+ ASSERT(GET_COLOR(p) == pos->uToMove);
+ p = pos->rgSquare[mvHash.cTo].pPiece;
+ ASSERT(!p || OPPOSITE_COLORS(p, pos->uToMove));
+ }
+#endif
+ pStack->uPly = uPly;
+ pStack->uEnd[uPly] = pStack->uBegin[uPly];
+ pStack->sGenFlags[uPly].uAllGenFlags = 0;
+
+ switch(uType)
+ {
+ case GENERATE_CAPTURES_PROMS_CHECKS:
+ ASSERT(!InCheck(pos, pos->uToMove));
+ ASSERT(mvHash.uMove == 0);
+ _FindUnblockedSquares(pStack, pos);
+ _GenerateAllMoves(pStack, pos);
+ _ScoreQSearchMovesInclChecks(pStack, ctx);
+ break;
+ case GENERATE_CAPTURES_PROMS:
+ ASSERT(!InCheck(pos, pos->uToMove));
+ ASSERT(mvHash.uMove == 0);
+ _FindUnblockedSquares(pStack, pos);
+ _GenerateAllMoves(pStack, pos);
+ _ScoreQSearchMovesNoChecks(pStack, ctx);
+ break;
+ case GENERATE_ALL_MOVES:
+ ASSERT(!InCheck(pos, pos->uToMove));
+ _FindUnblockedSquares(pStack, pos);
+ _GenerateAllMoves(pStack, pos);
+ _ScoreAllMoves(pStack, ctx, mvHash);
+ uReturn = MOVE_COUNT(ctx, uPly);
+ break;
+ case GENERATE_ESCAPES:
+ ASSERT(InCheck(pos, pos->uToMove));
+ _FindUnblockedSquares(pStack, pos);
+ uReturn = _GenerateEscapes(pStack, pos);
+ ASSERT(uReturn);
+ pStack->sGenFlags[uPly].uKingMoveCount = uReturn >> 16;
+ pStack->sGenFlags[uPly].uCheckingPieces = uReturn & 0xFF;
+ _ScoreAllEscapes(pStack, ctx, mvHash);
+ break;
+
+ // Note: this is just for plytest / seetest. Just generate
+ // moves, do not score them.
+ case GENERATE_DONT_SCORE:
+ if (InCheck(pos, pos->uToMove))
+ {
+ (void)_GenerateEscapes(pStack, pos);
+ for (uReturn = pStack->uBegin[uPly];
+ uReturn < pStack->uEnd[uPly];
+ uReturn++)
+ {
+ pStack->mvf[uReturn].mv.bvFlags |=
+ MOVE_FLAG_ESCAPING_CHECK;
+ }
+ }
+ else
+ {
+ (void)_GenerateAllMoves(pStack, pos);
+ }
+ goto end;
+#ifdef DEBUG
+ default:
+ uReturn = 0;
+ ASSERT(FALSE);
+#endif
+ }
+
+#ifdef DEBUG
+ //
+ // Sanity check the move list we just generated...
+ //
+ ASSERT(MOVE_COUNT(ctx, uPly) >= 0);
+ for (u = pStack->uBegin[uPly];
+ u < pStack->uEnd[uPly];
+ u++)
+ {
+ mv = pStack->mvf[u].mv;
+ ASSERT(!IS_SAME_MOVE(mv, mvHash));
+ SanityCheckMove(pos, mv);
+
+ if (WouldGiveCheck(ctx, mv))
+ {
+ if (MakeMove(ctx, mv))
+ {
+ ASSERT(ctx->uPly == (uPly + 1));
+ ASSERT(InCheck(pos, pos->uToMove));
+ UnmakeMove(ctx, mv);
+
+ //
+ // Note: this is so that DEBUG and RELEASE builds search
+ // the same trees. Without this the MakeMove/UnmakeMove
+ // pair here can affect the order of the pieces in the
+ // POSITION piece lists which in turn affects the order
+ // in which moves are generated down the road.
+ //
+ memcpy(&ctx->sPosition, &board, sizeof(POSITION));
+ }
+ }
+ else
+ {
+ if (MakeMove(ctx, mv))
+ {
+ ASSERT(ctx->uPly == (uPly + 1));
+ ASSERT(!InCheck(pos, pos->uToMove));
+ UnmakeMove(ctx, mv);
+
+ //
+ // Note: this is so that DEBUG and RELEASE builds search
+ // the same trees. Without this the MakeMove/UnmakeMove
+ // pair here can affect the order of the pieces in the
+ // POSITION piece lists which in turn affects the order
+ // in which moves are generated down the road.
+ //
+ memcpy(&ctx->sPosition, &board, sizeof(POSITION));
+ }
+ }
+ }
+ ASSERT(PositionsAreEquivalent(&board, pos));
+#endif
+ end:
+ pStack->sGenFlags[uPly].uMoveCount = MOVE_COUNT(ctx, uPly);
+ pStack->uBegin[uPly + 1] = pStack->uEnd[uPly];
+}
--- /dev/null
+/*
+ Copyright 2007 Scott Gasch
+
+ Licensed under the Apache License, Version 2.0 (the "License"); you
+ may not use this file except in compliance with the License. You may
+ obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+
+package org.guru.wannabe.genetic;
+
+public class GeneticDriver {
+ public static final int numGenerations = 5;
+ public static final int numPerGeneration = 32;
+
+ public static void main(String[] args) {
+ System.out.println("---BEGIN: Genetic simulation.");
+ GeneticProcess process = new ParallelChessGeneticProcess();
+ if (!process.mainInitialize(numGenerations, numPerGeneration)) {
+ throw new AssertionError("process.mainInitialize failed.");
+ }
+ for (int currentGeneration = 0;
+ currentGeneration < numGenerations;
+ currentGeneration++) {
+ System.out.println("---BEGIN: Generation " + currentGeneration);
+ process.generationInitialize(currentGeneration);
+ process.generationEvaluation(currentGeneration);
+ process.generationReproduction(currentGeneration);
+ System.out.println("---END: Generation " + currentGeneration);
+ }
+ System.out.println("---END: Genetic simulation.");
+ }
+}
--- /dev/null
+/*
+ Copyright 2007 Scott Gasch
+
+ Licensed under the Apache License, Version 2.0 (the "License"); you
+ may not use this file except in compliance with the License. You may
+ obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+
+package org.guru.wannabe.genetic;
+
+public interface GeneticProcess {
+ boolean mainInitialize(int numGenerations, int numPerGeneration);
+ boolean generationInitialize(int currentGeneration);
+ boolean generationEvaluation(int currentGeneration);
+ boolean generationReproduction(int CurrentGeneration);
+}
--- /dev/null
+# Makefile
+
+# Gdata required activation.jar and mail.jar; make this where you put them
+SHAREPATH= /usr/local/share/java/classes
+CLASSPATH= ./
+
+JFLAGS= -classpath $(CLASSPATH) -sourcepath ./ -d .
+JAVAC= javac $(JFLAGS) $(JCFLAGS) -Xlint:unchecked
+JAVA= java $(JFLAGS) $(JRFLAGS)
+
+JAVASRC= GeneticDriver.java GeneticProcess.java \
+ ParallelChessGeneticProcess.java
+CLASSES= $(JAVASRC:.java=.class)
+
+all : compile
+
+compile : $(JAVASRC)
+ $(JAVAC) $(JFLAGS) $(JAVASRC)
+
+doc :
+ mkdir -p doc
+ javadoc -d doc *.java
+
+clean :
+ rm -f $(CLASSES:.class='$$'*.class) $(CLASSES)
+ rm -fr doc
--- /dev/null
+/*
+ Copyright 2007 Scott Gasch
+
+ Licensed under the Apache License, Version 2.0 (the "License"); you
+ may not use this file except in compliance with the License. You may
+ obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+
+package org.guru.wannabe.genetic;
+
+import java.io.*;
+import java.util.regex.*;
+
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class ParallelChessGeneticProcess implements GeneticProcess {
+ private static final int numProcessors = 4;
+ private static final String baselineDna = "./baseline.dna";
+ private static final String baselineLog = "./baseline.log";
+ private static final String scriptName = "./trial.ep_";
+
+ private int numGenerations;
+ private int numPerGeneration;
+ private int numSeeds;
+
+ // Helper function to emulate system(3).
+ private static void system(String cmd[]) {
+ Runtime runtime = Runtime.getRuntime();
+ try {
+ Process ps = runtime.exec(cmd);
+ InputStream stdin = ps.getInputStream();
+ InputStreamReader isr = new InputStreamReader(stdin);
+ BufferedReader br = new BufferedReader(isr);
+ String line = null;
+ while((line = br.readLine()) != null) ;
+ ps.waitFor();
+ } catch(Exception e) {
+ throw new AssertionError(e);
+ }
+ }
+
+ // Private helpers to build filenames
+ private static String seedFilename(int generation, int which) {
+ return "./gen" + generation + "_seed" + which + ".dna";
+ }
+
+ private static String logFilename(int generation, int which) {
+ return "./gen" + generation + "_" + which + ".log";
+ }
+
+ private static String dnaFilename(int generation, int which) {
+ return "./gen" + generation + "_" + which + ".dna";
+ }
+
+ // Uses mutate.pl to cause dna mutations
+ private static void mutate(String from, String to) {
+ String cmd[] = new String[] { "./mutate.pl", from, to };
+ system(cmd);
+ try {
+ BufferedWriter out =
+ new BufferedWriter(new FileWriter(to, true));
+ out.write("# mutate " + from + " -> " + to + "\n");
+ out.close();
+ } catch(IOException e) {
+ throw new AssertionError(e);
+ }
+ }
+
+ // Runs a chess trial event
+ private static void chessTrial(String dnaFile, String logFile) {
+ String cmd[] = new String[] { "./typhoon",
+ "--cpus", "1",
+ "--hash", "128m",
+ "--batch",
+ "--logfile", logFile,
+ "--dnafile", dnaFile,
+ "--command", "script ./trial.ep_" };
+ system(cmd);
+ }
+
+ // The mainInitialize method produces the 0th generation DNA from
+ // a seed file called "baseline.dna" using a helper script called
+ // mutate.pl (the generic DNA mutation routine).
+ public boolean mainInitialize(int numGenerations,
+ int numPerGeneration) {
+
+ System.out.println("Performing pre-generation setup tasks.");
+ this.numGenerations = numGenerations;
+ this.numPerGeneration = numPerGeneration;
+ this.numSeeds = numPerGeneration / 5;
+ if ((numGenerations <= 0) ||
+ (numPerGeneration <= 0) ||
+ (numSeeds <= 0)) {
+ throw new IllegalArgumentException("Bad value");
+ }
+
+ // Create generation zero seeds based on mutations of baseline.dna
+ for (int x = 0; x < numSeeds; x++) {
+ String seedFile = seedFilename(0, x);
+ if (!new File(seedFile).exists()) {
+ mutate(baselineDna, seedFile);
+ } else {
+ System.out.println("Using existing " + seedFile);
+ }
+ }
+
+ // Run baseline.dna trial to get a starting point.
+ if (!new File(baselineLog).exists()) {
+ chessTrial(baselineDna, baselineLog);
+ } else {
+ System.out.println("Using existing " + baselineLog);
+ }
+ return true;
+ }
+
+ public boolean generationInitialize(int generationNumber) {
+
+ // Using the seed dna of the previous generation, build the
+ // genes for the current generation.
+ System.out.println("Initializing generation " + generationNumber);
+ for (int x = 0; x < numPerGeneration; x++) {
+ String dnaFile = dnaFilename(generationNumber, x);
+ String seedFile = seedFilename(generationNumber, x % numSeeds);
+ mutate(seedFile, dnaFile);
+ }
+ return true;
+ }
+
+ public boolean generationEvaluation(int generationNumber) {
+ class ChessGame implements Runnable {
+ public String dnaFile;
+ public String logFile;
+ public ChessGame(String dnaFile, String logFile) {
+ this.dnaFile = dnaFile; this.logFile = logFile;
+ }
+ public void run() {
+ if (!new File(logFile).exists()) {
+ System.out.println("Creating " + logFile);
+ chessTrial(dnaFile, logFile);
+ } else {
+ System.out.println("Using existing " + logFile);
+ }
+ }
+ }
+
+ // Populate work queue
+ System.out.println("Evaluating generation " + generationNumber);
+ List<ChessGame> workQueue = new ArrayList<ChessGame>();
+ for (int x = 0; x < numPerGeneration; x++) {
+ String dnaFile = dnaFilename(generationNumber, x);
+ String logFile = logFilename(generationNumber, x);
+ workQueue.add(new ChessGame(dnaFile, logFile));
+ }
+
+ // Depopulate the work queue in parallel
+ Thread threadPool[] = new Thread[numProcessors];
+ while(!workQueue.isEmpty()) {
+ ChessGame next = workQueue.remove(0);
+ int x = 0;
+ do {
+ if ((threadPool[x] == null) ||
+ (!threadPool[x].isAlive())) {
+ threadPool[x] = new Thread(next);
+ threadPool[x].setPriority(Thread.MAX_PRIORITY);
+ threadPool[x].start();
+ break;
+ }
+ x++;
+ if (x >= numProcessors) {
+ x = 0;
+ try {
+ Thread.sleep(2000);
+ } catch(Exception e) {
+ ;
+ }
+ }
+ }
+ while(true);
+ }
+
+ // Wait for all threads to become idle again
+ int x = 0;
+ do {
+ if (threadPool[x] != null && threadPool[x].isAlive()) {
+ x = 0;
+ }
+ x++;
+ try {
+ Thread.sleep(2000);
+ } catch(Exception e) {
+ ;
+ }
+ } while(x < numProcessors);
+ return true;
+ }
+
+ public boolean generationReproduction(int generationNumber) {
+
+ // Helper data class
+ class FileAndScore implements Comparable<FileAndScore> {
+ public final String file;
+ public final int score;
+ public final int number;
+ public FileAndScore(String file, int score, int number) {
+ this.file = file; this.score = score; this.number = number;
+ }
+ public int compareTo(FileAndScore other) {
+ return other.score - score;
+ }
+ }
+
+ System.out.println("Seeding subsequent generation.");
+ List<FileAndScore> scores = new ArrayList<FileAndScore>();
+ for (int x = 0; x < numPerGeneration; x++) {
+ String logFile = logFilename(generationNumber, x);
+ try {
+ BufferedReader log = new BufferedReader(
+ new FileReader(logFile));
+ String line = null;
+ Pattern p =
+ Pattern.compile("\\s+correct solutions\\s+:\\s+(\\d+)");
+ while ((line = log.readLine()) != null) {
+ Matcher m = p.matcher(line);
+ if (m.matches()) {
+ int score = Integer.parseInt(m.group(1));
+ FileAndScore fas =
+ new FileAndScore(logFile, score, x);
+ scores.add(fas);
+ break;
+ }
+ }
+ log.close();
+ }
+ catch (Exception e) {
+ throw new AssertionError(e);
+ }
+ }
+ java.util.Collections.sort(scores);
+ for (int x = 0; x < numSeeds; x++) {
+ FileAndScore breeder = scores.get(0);
+ scores.remove(0);
+ String dnaFile = dnaFilename(generationNumber, breeder.number);
+ String seedFile = seedFilename(generationNumber + 1, x);
+ if (!new File(seedFile).exists()) {
+ System.out.println("Number " + breeder.number + " got score " +
+ breeder.score + " and will propagate.");
+ String cmd[] = new String[] { "/bin/cp", "-f", dnaFile, seedFile };
+ system(cmd);
+ } else {
+ System.out.println("Using existing " + seedFile);
+ }
+ }
+ return true;
+ }
+}
--- /dev/null
+# BEGIN MUTATION ALLOWED
+# Trade pieces/pawns
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
+# END MUTATION ALLOWED
+# Reduced material down scaler
+0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,3,4,5,6,6,7,7,7,7,8,8,8,8,8,8,8,8
+# Reduced material up scaler
+8,8,8,8,8,8,8,8,8,7,7,7,7,6,6,5,4,3,3,3,2,2,2,1,1,1,0,0,0,0,0,0
+# Passer material up scaler
+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0
+# Pawn centrality bonus by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-10,0,0,0,0,0,0,-10,0,0,0,0,0,0,0,0,-10,0,5,5,5,5,0,-10,0,0,0,0,0,0,0,0,-10,0,5,9,9,5,0,-10,0,0,0,0,0,0,0,0,-10,0,5,9,9,5,0,-10,0,0,0,0,0,0,0,0,-10,0,5,5,5,5,0,-10,0,0,0,0,0,0,0,0,-10,0,0,0,0,0,0,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Backward shielded by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Backward exposed by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Doubled pawn penalty by count
+0,-32,-65,-99,-134,-170,-207,-245,-290,0,-23,-48,-76,-108,-144,-184,-232,-290,0,-9,-19,-31,-46,-64,-86,-111,-143,0,-7,-14,-25,-39,-55,-73,-95,-121
+# Isolated pawn penalty by count
+0,-3,-7,-9,-16,-35,-50,-85,-100
+# Isolated pawn penalty by board file
+0,-8,-9,-10,-11,-11,-10,-9,-8
+# Isolated exposed base score
+-6
+# Isolated doubled base score
+-18
+# BEGIN MUTATION ALLOWED
+# Passer pawn by rank/color (reduced if enemy controls sq ahead)
+0,0,162,111,62,36,18,13,0,0,0,13,18,36,62,111,162,0
+# Candidate passer pawn by rank/color
+0,0,0,48,34,22,13,9,0,0,0,9,13,22,34,48,0,0
+# Connected passer pawn by rank/color (x2, one for each pawn)
+0,0,96,74,48,21,10,5,0,0,0,5,10,21,48,74,96,0
+# Supported passer pawn by rank/color
+0,0,60,40,13,6,3,1,0,0,0,1,3,6,13,40,60,0
+# END MUTATION ALLOWED
+# Outside passer pawn by how far outside
+0,0,7,14,21,28,34,41,55
+# BEGIN MUTATION ALLOWED
+# Passer bonus as material comes off
+60,-1,-1,37,-1,43,19,-1,14,9,20,4,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# END MUTATION ALLOWED
+# Unstoppable passer
+800
+# Undeveloper minors in the opening
+0,-6,-10,-16,-22
+# Bishop over knight in the endgame by how open is the board
+33
+# Bishop pair value by number of pawns
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,58,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41
+# BEGIN MUTATION ALLOWED
+# Stationary pawns on bishop color
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,-7,-7,-7,-7,-7,-7,-5,0,0,0,0,0,0,0,0,-7,-7,-8,-8,-8,-8,-7,-7,0,0,0,0,0,0,0,0,-8,-9,-10,-12,-12,-10,-9,-8,0,0,0,0,0,0,0,0,-8,-9,-10,-12,-12,-10,-9,-8,0,0,0,0,0,0,0,0,-7,-7,-8,-8,-8,-8,-7,-7,0,0,0,0,0,0,0,0,-5,-7,-7,-7,-7,-7,-7,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Transient pawns on bishop color
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Bishop mobility by num squares
+-22,-15,-13,-8,-3,0,2,4,7,11,15,17,18,19
+# Bishop mobility num-in-a-row bonus
+-14,-6,1,4,6,7,9,11
+# END MUTATION ALLOWED
+# Outposted bishop by distance from eking
+0,38,30,18,8,4,0,-10,-16
+# Bishop in a closed position bonus
+15,15,15,15,14,14,13,12,11,10,9,7,5,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# Knight centrality by location
+-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0
+# Knight-eking tropism bonus
+0,15,12,9,5,0,0,0,0
+# Knight value as pawns come off
+-30,-24,-18,-12,-6,0,6,12,18
+# Outposted knight by distance from eking
+0,40,33,22,10,3,0,0,0
+# Knight on interesting square by rank/color
+0,12,11,9,6,3,0,0,0,0,0,0,0,3,6,9,11,12
+# BEGIN MUTATION ALLOWED
+# Knight mobility
+-17,-10,-6,0,3,6,8,9,10
+# Knight with N pawns supporting
+0,7,11
+# END MUTATION ALLOWED
+# Knight in a closed position
+0,0,0,0,0,0,2,4,6,8,9,10,11,12,13,14,16,18,19,20,20,21,21,22,22,23,23,24,24,25,25,26,27
+# Rook on full open file by distance from eking
+24,22,17,14,13,13,12,12
+# Rook on half open file with enemy pawn by distance from eking
+12,11,9,9,8,8,8,7
+# Rook on half open file with friend pawn by distance from eking
+13,12,11,11,9,9,9,8
+# Rook behind own passer by passer rank/color
+0,0,25,17,12,6,1,0,0,0,0,0,1,6,12,17,25,0
+# Rook leading own passer by passer rank/color
+0,0,-22,-16,-13,-9,-5,-3,0,0,0,-3,-5,-9,-13,-16,-22,0
+# King trapping friend rook
+-40
+# Rook trapping eking
+22
+# Rook value as pawns come off
+55,44,33,22,11,0,-12,-24,-36
+# Rooks connected vertically (x2)
+7
+# Rooks connected horizontally (x2)
+4
+# BEGIN MUTATION ALLOWED
+# Rook mobility by squares
+-28,-24,-20,-14,-7,-2,0,4,8,12,15,17,19,21,22
+# Rook mobility by n-in-a-row
+-15,-6,0,4,8,8,8,8
+# Queen mobility by squares
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
+# END MUTATION ALLOWED
+# Queen out too early by num unmoved minors
+0,-14,-22,-26,-33
+# Queen eking tropism
+0,39,35,28,24,17,16,15
+# Queen attacking square next to eking (x #squares)
+8
+# Initial king safety counter by location/color
+1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0
+# Bring king to center by location
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+# BEGIN MUTATION ALLOWED
+# King pawn shield (x #pawns)
+15
+# King safety by counter
+0,-4,-8,-12,-16,-20,-25,-31,-38,-50,-63,-76,-90,-105,-120,-140,-160,-180,-200,-225,-250,-275,-300,-333,-366,-399,-433,-466,-499,-533,-566,-599,-600,-600,-600,-600,-600,-600,-600,-600,-600,-600
+# END MUTATION ALLOWED
+# King missing one castle option
+-23
--- /dev/null
+Typhoon 1.00 (built on Jun 29 2008 15:18:00):
+ $Id: chess.h 353 2008-06-29 18:10:16Z scott $
+ GCC 4.0.1 (Apple Inc. build 5465)
+ Make profile used: -std=gnu99 -D_X86_ -DOSX -DGENETIC -g -O3 -fexpensive-optimizations -ffast-math -finline-functions -m32 -DPERF_COUNTERS -DMP -DSMP
+ Multiprocessor enabled; 1 searcher thread
+ Performance counters
+ Hash sizes: 64 Mb (main), 10 Mb / thread (pawn), 48 Mb / thread (eval)
+ QCheckPlies: 1
+ FutilityBase: 50
+ Logging Eval DNA.
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
+0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,3,4,5,6,6,7,7,7,7,8,8,8,8,8,8,8,8
+8,8,8,8,8,8,8,8,8,7,7,7,7,6,6,5,4,3,3,3,2,2,2,1,1,1,0,0,0,0,0,0
+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,-8,0,5,5,5,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,9,9,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,9,9,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,5,5,5,0,-8,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,-32,-65,-99,-134,-170,-207,-245,-290,0,-23,-47,-76,-108,-144,-184,-232,-290,0,-9,-19,-31,-46,-64,-86,-111,-143,0,-7,-13,-25,-39,-55,-73,-95,-121
+0,-3,-7,-9,-16,-35,-50,-85,-100
+0,-7,-8,-9,-10,-10,-9,-8,-7
+-5
+-11
+0,0,162,111,62,36,18,13,0,0,0,13,18,36,62,111,162,0
+0,0,0,48,34,22,13,9,0,0,0,9,13,22,34,48,0,0
+0,0,96,74,48,21,10,5,0,0,0,5,10,21,48,74,96,0
+0,0,60,40,13,6,3,1,0,0,0,1,3,6,13,40,60,0
+0,0,7,14,21,28,34,41,55
+60,-1,-1,37,-1,43,19,-1,14,9,20,4,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+800
+0,-6,-10,-16,-22
+33
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,53,52,51,50,49,48,47,45,43,41,40,40,40,40,40,40,40
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-6,-7,-7,-7,-7,-6,-4,0,0,0,0,0,0,0,0,-6,-7,-9,-8,-8,-9,-7,-6,0,0,0,0,0,0,0,0,-7,-8,-10,-11,-11,-10,-8,-7,0,0,0,0,0,0,0,0,-7,-8,-10,-11,-11,-10,-8,-7,0,0,0,0,0,0,0,0,-6,-7,-9,-8,-8,-9,-7,-6,0,0,0,0,0,0,0,0,-4,-6,-7,-7,-7,-7,-6,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+-22,-14,-10,-5,-1,0,1,3,4,5,6,7,8,9
+-10,-4,1,3,4,5,5,5
+0,33,28,18,8,4,0,-10,-16
+10,10,10,9,9,8,8,7,7,6,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0
+0,15,12,9,4,0,0,0,0
+0,25,19,14,6,0,0,0,0
+0,12,11,9,6,3,0,0,0,0,0,0,0,3,6,9,11,12
+-17,-10,-6,0,3,5,7,8,8
+0,4,8
+0,0,0,0,0,0,0,0,0,0,1,2,4,6,9,11,12,13,15,17,19,21,21,22,22,23,23,24,24,25,25,26,27
+24,22,17,14,13,13,12,12
+12,11,9,9,8,8,8,7
+13,12,11,11,9,9,9,8
+0,0,25,17,12,6,1,0,0,0,0,0,1,6,12,17,25,0
+0,0,-22,-16,-13,-9,-5,-3,0,0,0,-3,-5,-9,-13,-16,-22,0
+-40
+22
+55,51,44,38,33,27,22,16,7,1,-3,-6,-9,-12,-18,-22,-25
+7
+4
+-28,-24,-20,-14,-7,-2,0,4,8,12,15,17,19,21,22
+-15,-6,0,4,8,8,8,8
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
+0,-14,-22,-26,-33
+0,34,28,22,19,17,16,15
+8
+1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,-4,-8,-12,-16,-20,-25,-31,-38,-50,-63,-76,-90,-105,-120,-135,-150,-165,-180,-195,-210,-225,-240,-255,-270,-290,-310,-330,-350,-370,-390,-410,-440,-470,-500,-500,-500,-500,-500,-500,-500,-500
+-23
+ IID R-factor: 2 ply
+INPUT SYSTEM INIT: Pushing "script ./trial.ep_\r
+"
+_white(move 1)_
+SCRIPT> st 20\r
+
+SCRIPT> easy\r
+
+SCRIPT> setboard 2q1r1k1/1ppb4/r2p1Pp1/p4n1p/2P1n3/5NPP/PP3Q1K/2BRRB2 w - -\r
+
+FEN: 2q1r1k1/1ppb4/r2p1Pp1/p4n1p/2P1n3/5NPP/PP3Q1K/2BRRB2 w - - 0 0
+
+
+ 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+ +---------------------------------------+
+ 8 | |::::| *q |::::| *r |::::| *k |::::| 0x00
+ 7 |::::| *p |:*p:| *b |::::| |::::| | 0x10
+ 6 | *r |::::| |:*p:| |:.P:| *p |::::| 0x20
+ 5 |:*p:| |::::| |::::| *n |::::| *p | 0x30
+ 4 | |::::| .P |::::| *n |::::| |::::| 0x40
+ 3 |::::| |::::| |::::| .N |:.P:| .P | 0x50
+ 2 | .P |:.P:| |::::| |:.Q:| |:.K:| 0x60
+ 1 |::::| |:.B:| .R |:.R:| .B |::::| | 0x70
+ +---------------------------------------+
+ A B C D E F G H
+
+
+SCRIPT> solution f7+\r
+
+SCRIPT> id "ECM.001"\r
+
+SCRIPT> go\r
+
+The root position is: 2q1r1k1/1ppb4/r2p1Pp1/p4n1p/2P1n3/5NPP/PP3Q1K/2BRRB2 w - - 0 0
+SetMoveTimer: Soft time limit 00:20.000 seconds.
+SetMoveTimer: Hard time limit 00:20.000 seconds.
+ 7 +2.98 00:00.365 184386 f7+ Kxf7 Rxe4 Rxe4 Ng5+ Kg8 Nxe4 Ba4 b3
+ 8 +3.13 00:00.684 375962 f7+ Kxf7 Rxe4 Rxe4 Ng5+ Kg8 Nxe4 Ba4 Nf6+ Kg7 b3 Bxb3 axb3 Kxf6
+ 9 +3.35 00:02.259 1314795 f7+ Kxf7 Rxe4 Rxe4 Ng5+ Kg8 Nxe4 Ba4 Re1 Kh8 Bg5
+10 +3.58 00:04.394 2477084 f7+ Kxf7 Rxe4 Rxe4 Ng5+ Kf8 Nxe4 Ba4 Re1 Kg7 b3 Bc6 Bb2+ Kh7
+11 +3.64 00:08.367 4600580 f7+ Kxf7 Rxe4 Rxe4 Ng5+ Kg7 Nxe4 Bc6 Bd3 Qe8 Ng5 Qe5 Bf4
+SOFT TIMER (20.1 sec) --> stop searching now
+move f7+
+---------------------------------------------
+Searched for 20.1 seconds, saw 10616832 nodes (8908964 qnodes) (527305 nps).
+tellothers d11, +3.64, 20.1s, 527knps, PV=f7+ Kxf7 Rxe4 Rxe4 Ng5+ Kg7 Nxe4 Bc6 Bd3 Qe8 Ng5 Qe5 Bf4
+Hashing percentages: (37.045 total, 13.886 useful)
+Pawn hash hitrate: 99.416 percent.
+Null move cutoff rate: 77.853 percent.
+First move beta cutoff rate was 93.652 percent.
+Eval percentages: ( 8.46 hash, 69.90 lazy, 21.64 full)
+Extensions: (303079 +, 137182 q+, 23377 1mv, 5339 !kmvs, 1374 mult+, 4112 pawn
+ 6087 threat, 0 zug, 1679 sing, 2 endg, 2644 bm, 8898 recap)
+Problem "ECM.001" solved in 0.0 sec.
+Current suite score: 1 correct of 1 problems.
+SCRIPT> setboard 7r/1p2k3/2bpp3/p3np2/P1PR4/2N2PP1/1P4K1/3B4 b - -\r
+
+FEN: 7r/1p2k3/2bpp3/p3np2/P1PR4/2N2PP1/1P4K1/3B4 b - - 0 0
+
+
+ 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+ +---------------------------------------+
+ 8 | |::::| |::::| |::::| |:*r:| 0x00
+ 7 |::::| *p |::::| |:*k:| |::::| | 0x10
+ 6 | |::::| *b |:*p:| *p |::::| |::::| 0x20
+ 5 |:*p:| |::::| |:*n:| *p |::::| | 0x30
+ 4 | .P |::::| .P |:.R:| |::::| |::::| 0x40
+ 3 |::::| |:.N:| |::::| .P |:.P:| | 0x50
+ 2 | |:.P:| |::::| |::::| .K |::::| 0x60
+ 1 |::::| |::::| .B |::::| |::::| | 0x70
+ +---------------------------------------+
+ A B C D E F G H
+
+
+SCRIPT> solution Bxf3+\r
+
+SCRIPT> id "ECM.002"\r
+
+SCRIPT> go\r
+
+The root position is: 7r/1p2k3/2bpp3/p3np2/P1PR4/2N2PP1/1P4K1/3B4 b - - 0 0
+SetMoveTimer: Soft time limit 00:20.000 seconds.
+SetMoveTimer: Hard time limit 00:20.000 seconds.
+ 9 +2.48 00:00.164 117472 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kg2 Nxd4 g4 f4 g5 e5
+10 +2.25 00:00.348 262726 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 f4 g5 f3 g6
+11 +2.47 00:00.752 576332 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 f4 g5 e5 Kg4 Kf7
+12 +2.20 00:01.258 987310 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 f4 g5 e5 Ne4 Ke6 g6
+13 +2.47 00:03.330 2593758 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 f4 g5 e5 Kg4 Ke6 g6 Kf6
+14 +2.20 00:05.220 4166374 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 Kf6 gxf5 Kxf5 Kg2 e5 Kf2 e4 Ke3
+15 +2.28 00:12.333 9835420 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 Kf6 gxf5 Kxf5 Kg3 e5 Kf2 <TT> e4 Nd5 Ke5
+16 +2.30 00:19.914 16085480 Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 Kf6 gxf5 Kxf5 Kg2 Nb3 Nd1 Nc5 Nc3 Nd3 Nb5
+HARD TIMER (20.1 sec) --> stop searching now
+move Bxf3+
+---------------------------------------------
+Searched for 20.1 seconds, saw 16252928 nodes (12457309 qnodes) (807319 nps).
+tellothers d16, +2.30, 20.1s, 807knps, PV=Bxf3+ Bxf3 Rh2+ Kxh2 Nxf3+ Kh3 Nxd4 g4 Kf6 gxf5 Kxf5 Kg2 Nb3 Nd1 Nc5 Nc3 Nd3 Nb5
+Hashing percentages: (54.754 total, 26.571 useful)
+Pawn hash hitrate: 98.837 percent.
+Null move cutoff rate: 83.429 percent.
+First move beta cutoff rate was 96.057 percent.
+Eval percentages: (11.20 hash, 71.63 lazy, 17.16 full)
+Extensions: (461475 +, 41902 q+, 2821 1mv, 401 !kmvs, 636 mult+, 4863 pawn
+ 699 threat, 18 zug, 290 sing, 21674 endg, 5357 bm, 10418 recap)
+Problem "ECM.002" solved in 0.1 sec.
+Current suite score: 2 correct of 2 problems.
+SCRIPT> setboard 4k3/p1P3p1/2q1np1p/3N4/8/1Q3PP1/6KP/8 w - -\r
+
+FEN: 4k3/p1P3p1/2q1np1p/3N4/8/1Q3PP1/6KP/8 w - - 0 0
+
+
+ 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+ +---------------------------------------+
+ 8 | |::::| |::::| *k |::::| |::::| 0x00
+ 7 |:*p:| |:.P:| |::::| |:*p:| | 0x10
+ 6 | |::::| *q |::::| *n |:*p:| |:*p:| 0x20
+ 5 |::::| |::::| .N |::::| |::::| | 0x30
+ 4 | |::::| |::::| |::::| |::::| 0x40
+ 3 |::::| .Q |::::| |::::| .P |:.P:| | 0x50
+ 2 | |::::| |::::| |::::| .K |:.P:| 0x60
+ 1 |::::| |::::| |::::| |::::| | 0x70
+ +---------------------------------------+
+ A B C D E F G H
+
+
+SCRIPT> solution Qb5\r
+
+SCRIPT> id "ECM.003"\r
+
+SCRIPT> go\r
+
+The root position is: 4k3/p1P3p1/2q1np1p/3N4/8/1Q3PP1/6KP/8 w - - 0 0
+SetMoveTimer: Soft time limit 00:20.000 seconds.
+SetMoveTimer: Hard time limit 00:20.000 seconds.
+ 5 +1.12 00:00.196 136405 Qb8+ Kd7 Qg8 g5 c8=Q+ Qxc8 Nxf6+ Kc7 Qf7+ Kb8 Nd7+ Kc7 Qxe6 Qxd7 Qxh6
+ 5 +1.33 00:00.275 197327 Nb4 Qd7 Qd5 Nxc7 Qg8+ Ke7 Qxg7+ Kd8 Qxh6
+ 5+ +2.92 00:00.334 242098 Qb5 ++
+ 5 +2.76 00:00.335 242668 Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 Nxb5
+ 6 +2.76 00:00.338 245531 Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 Nxb5
+ 7 +2.76 00:00.490 369773 Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 Nxb5
+ 8 +2.72 00:00.936 734352 Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 f4+ Ke4 Nxb5
+ 9 +2.60 00:02.860 2302612 Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 f4+ Ke4 Nxb5 a5 Nc3+ Kd4
+10 +2.60 00:05.762 4811455 Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 f4+ Ke4 Nxb5 a5 Nc3+ Kd4
+11 +2.64 00:16.020 13521099 Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 Nxb5 a5 Kf2 g6 Nc3 Kd4
+HARD TIMER (20.2 sec) --> stop searching now
+move Qb5
+---------------------------------------------
+Searched for 20.2 seconds, saw 16777218 nodes (13737368 qnodes) (831574 nps).
+tellothers d11, +2.64, 20.2s, 832knps, PV=Qb5 Qxb5 c8=Q+ Kf7 Qxe6+ Kxe6 Nc7+ Ke5 Nxb5 a5 Kf2 g6 Nc3 Kd4
+Hashing percentages: (49.643 total, 23.838 useful)
+Pawn hash hitrate: 99.845 percent.
+Null move cutoff rate: 84.497 percent.
+First move beta cutoff rate was 97.183 percent.
+Eval percentages: ( 5.57 hash, 88.54 lazy, 5.89 full)
+Extensions: (998642 +, 365387 q+, 40580 1mv, 2227 !kmvs, 773 mult+, 194 pawn
+ 4448 threat, 0 zug, 8001 sing, 15206 endg, 10689 bm, 3168 recap)
+Problem "ECM.003" solved in 0.3 sec.
+Current suite score: 3 correct of 3 problems.
+SCRIPT> setboard 2r1b1k1/R4pp1/4pb1p/1pBr4/1Pq2P2/3N4/2PQ2PP/5RK1 b - -\r
+
+FEN: 2r1b1k1/R4pp1/4pb1p/1pBr4/1Pq2P2/3N4/2PQ2PP/5RK1 b - - 0 0
+
+
+ 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+ +---------------------------------------+
+ 8 | |::::| *r |::::| *b |::::| *k |::::| 0x00
+ 7 |:.R:| |::::| |::::| *p |:*p:| | 0x10
+ 6 | |::::| |::::| *p |:*b:| |:*p:| 0x20
+ 5 |::::| *p |:.B:| *r |::::| |::::| | 0x30
+ 4 | |:.P:| *q |::::| |:.P:| |::::| 0x40
+ 3 |::::| |::::| .N |::::| |::::| | 0x50
+ 2 | |::::| .P |:.Q:| |::::| .P |:.P:| 0x60
+ 1 |::::| |::::| |::::| .R |:.K:| | 0x70
+ +---------------------------------------+
+ A B C D E F G H
+
+
+SCRIPT> solution Rcxc5\r
+
+SCRIPT> id "ECM.004"\r
+
+SCRIPT> go\r
+
+The root position is: 2r1b1k1/R4pp1/4pb1p/1pBr4/1Pq2P2/3N4/2PQ2PP/5RK1 b - - 0 0
+SetMoveTimer: Soft time limit 00:20.000 seconds.
+SetMoveTimer: Hard time limit 00:20.000 seconds.
+ 7 +1.28 00:00.241 128871 Bd4+ Bxd4 Qxd4+ Qf2 Rxc2 Qxd4 Rxd4 Rd1 f6
+ 7+ +1.90 00:00.406 230629 Bd4+ Bxd4 Qxd4+ Qf2 Rxc2 Qxd4 Rxd4 Rd1 f6 ++
+ 7 +3.31 00:00.473 269299 Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 c3
+ 8 +3.54 00:00.762 457282 Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 Rd1 Bc6
+ 9 +3.45 00:01.279 775279 Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 f5 e5 Re1
+10 +3.54 00:02.287 1455118 Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 Rd1 Qf2 Rf1 Qc5
+11 +3.38 00:03.973 2655301 Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 Qd6 g6 h3 Bd4 Rd1
+12 +3.54 00:07.504 5112945 Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 Qe4 Bd4 Rd1 Bc3 h3 Qf2
+13 +3.58 00:14.106 9751497 Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 Qd6 Qa8 h3 Bc6 Rg1 Kh7 Qd3+ Be4 Qxb5 Bxc2
+SOFT TIMER (20.1 sec) --> stop searching now
+move Rcxc5
+---------------------------------------------
+Searched for 20.1 seconds, saw 14286848 nodes (11078116 qnodes) (710896 nps).
+tellothers d13, +3.58, 20.1s, 711knps, PV=Rcxc5 bxc5 Rxd3 Qxd3 Qxc5+ Kh1 Qxa7 Qd6 Qa8 h3 Bc6 Rg1 Kh7 Qd3+ Be4 Qxb5 Bxc2
+Hashing percentages: (54.802 total, 27.084 useful)
+Pawn hash hitrate: 99.661 percent.
+Null move cutoff rate: 80.447 percent.
+First move beta cutoff rate was 94.013 percent.
+Eval percentages: ( 7.93 hash, 81.56 lazy, 10.50 full)
+Extensions: (242731 +, 147017 q+, 10540 1mv, 11362 !kmvs, 273 mult+, 1569 pawn
+ 4886 threat, 25 zug, 3489 sing, 19 endg, 12049 bm, 5871 recap)
+Problem "ECM.004" solved in 0.5 sec.
+Current suite score: 4 correct of 4 problems.
+SCRIPT> setboard 6k1/p1qb1p1p/1p3np1/2b2p2/2B5/2P3N1/PP2QPPP/4N1K1 b - -\r
+
+FEN: 6k1/p1qb1p1p/1p3np1/2b2p2/2B5/2P3N1/PP2QPPP/4N1K1 b - - 0 0
+
+
+ 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+ +---------------------------------------+
+ 8 | |::::| |::::| |::::| *k |::::| 0x00
+ 7 |:*p:| |:*q:| *b |::::| *p |::::| *p | 0x10
+ 6 | |:*p:| |::::| |:*n:| *p |::::| 0x20
+ 5 |::::| |:*b:| |::::| *p |::::| | 0x30
+ 4 | |::::| .B |::::| |::::| |::::| 0x40
+ 3 |::::| |:.P:| |::::| |:.N:| | 0x50
+ 2 | .P |:.P:| |::::| .Q |:.P:| .P |:.P:| 0x60
+ 1 |::::| |::::| |:.N:| |:.K:| | 0x70
+ +---------------------------------------+
+ A B C D E F G H
+
+
+SCRIPT> solution Bxf2+\r
+
+SCRIPT> id "ECM.005"\r
+
+SCRIPT> go\r
+
+The root position is: 6k1/p1qb1p1p/1p3np1/2b2p2/2B5/2P3N1/PP2QPPP/4N1K1 b - - 0 0
+SetMoveTimer: Soft time limit 00:20.000 seconds.
+SetMoveTimer: Hard time limit 00:20.000 seconds.
+ 7 +0.99 00:00.173 97919 Bxf2+ Qxf2 Qxc4 Qd4 Qc6 Nf3 h6 c4
+ 8 +1.07 00:00.357 216878 Bxf2+ Qxf2 Qxc4 Qd4 Qe6 Nf3 Nd5 Qe5 Qxe5 Nxe5
+ 9 +1.07 00:00.646 411939 Bxf2+ Qxf2 Qxc4 Qd4 Qe6 Nf3 Nd5 Qe5 Qxe5 Nxe5
+10 +1.01 00:01.439 944061 Bxf2+ Qxf2 Qxc4 Qd4 Qe6 Nf3 Nd5 c4 Qe3+ Qxe3 Nxe3 Ne5
+11 +1.02 00:02.977 2004691 Bxf2+ Qxf2 Qxc4 Qd4 Qe6 Nf3 Nd5 c4 Qe3+ Qxe3 Nxe3 Ne5 Ba4
+12 +0.98 00:06.061 4098991 Bxf2+ Qxf2 Qxc4 Qd4 Qe6 Nf3 Ne8 b3 f6 c4 g5 Kh1 <TT> f4
+SOFT TIMER (20.0 sec) --> stop searching now
+move Bxf2+
+---------------------------------------------
+Searched for 20.0 seconds, saw 13631488 nodes (11086938 qnodes) (680902 nps).
+tellothers d12, +0.98, 20.0s, 681knps, PV=Bxf2+ Qxf2 Qxc4 Qd4 Qe6 Nf3 Ne8 b3 f6 c4 g5 Kh1 <TT> f4
+Hashing percentages: (31.320 total, 14.951 useful)
+Pawn hash hitrate: 98.692 percent.
+Null move cutoff rate: 75.182 percent.
+First move beta cutoff rate was 94.965 percent.
+Eval percentages: ( 6.34 hash, 78.69 lazy, 14.97 full)
+Extensions: (404449 +, 155342 q+, 9621 1mv, 17129 !kmvs, 998 mult+, 3515 pawn
+ 6103 threat, 15 zug, 5503 sing, 6067 endg, 12601 bm, 8911 recap)
+Problem "ECM.005" solved in 0.1 sec.
+Current suite score: 5 correct of 5 problems.
+SCRIPT> setboard 3q4/pp3pkp/5npN/2bpr1B1/4r3/2P2Q2/PP3PPP/R4RK1 w - -\r
+
+FEN: 3q4/pp3pkp/5npN/2bpr1B1/4r3/2P2Q2/PP3PPP/R4RK1 w - - 0 0
+
+
+ 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+ +---------------------------------------+
+ 8 | |::::| |:*q:| |::::| |::::| 0x00
+ 7 |:*p:| *p |::::| |::::| *p |:*k:| *p | 0x10
+ 6 | |::::| |::::| |:*n:| *p |:.N:| 0x20
+ 5 |::::| |:*b:| *p |:*r:| |:.B:| | 0x30
+ 4 | |::::| |::::| *r |::::| |::::| 0x40
+ 3 |::::| |:.P:| |::::| .Q |::::| | 0x50
+ 2 | .P |:.P:| |::::| |:.P:| .P |:.P:| 0x60
+ 1 |:.R:| |::::| |::::| .R |:.K:| | 0x70
+ +---------------------------------------+
+ A B C D E F G H
+
+
+SCRIPT> solution Bxf6+\r
+
+SCRIPT> id "ECM.006"\r
+
+SCRIPT> go\r
+
+The root position is: 3q4/pp3pkp/5npN/2bpr1B1/4r3/2P2Q2/PP3PPP/R4RK1 w - - 0 0
+SetMoveTimer: Soft time limit 00:20.000 seconds.
+SetMoveTimer: Hard time limit 00:20.000 seconds.
+ 7 +0.99 00:00.284 179093 Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 dxe4
+ 8 +1.25 00:00.553 377491 Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 Rxe4 Rad1
+ 9 +1.05 00:01.062 761451 Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 Rxe4 Rad1 Re2
+10 +1.21 00:01.884 1386628 Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 Rxe4 b4 Bb6 Rad1
+11 +0.97 00:03.816 2860869 Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 Rxe4 b4 Bb6 Rad1 Re2
+12 +1.12 00:08.716 6383777 Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 Rxe4 b4 Bb6 Kg2 Re2 Kf3
+13 +1.10 00:15.549 11572369 Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 Rxe4 Kg2 Re2 b4 Bb6 <TT> Rad1
+HARD TIMER (20.0 sec) --> stop searching now
+move Bxf6+
+---------------------------------------------
+Searched for 20.0 seconds, saw 14680066 nodes (11319222 qnodes) (732823 nps).
+tellothers d13, +1.10, 20.0s, 733knps, PV=Bxf6+ Qxf6 Ng4 Qxf3 gxf3 Rg5 fxe4 Rxg4+ Kh1 Rxe4 Kg2 Re2 b4 Bb6 <TT> Rad1
+Hashing percentages: (53.520 total, 26.213 useful)
+Pawn hash hitrate: 98.553 percent.
+Null move cutoff rate: 84.810 percent.
+First move beta cutoff rate was 96.523 percent.
+Eval percentages: ( 6.98 hash, 83.44 lazy, 9.58 full)
+Extensions: (375467 +, 183351 q+, 44761 1mv, 9029 !kmvs, 1761 mult+, 580 pawn
+ 3970 threat, 2 zug, 5124 sing, 5803 endg, 9894 bm, 7604 recap)
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
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+0,-2,-6,-7,-14,-30,-44,-74,-88,
+0,-7,-8,-9,-10,-10,-9,-8,-7
+-5,
+-11
+0,0,190,130,72,42,21,15,0,0,0,15,21,42,72,130,190,0,
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+0,0,7,14,21,28,34,41,55
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+800
+0,-6,-10,-16,-22
+33
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+24,22,17,14,13,13,12,12
+13,12,10,10,9,9,9,7,
+10,9,9,9,7,7,7,6,
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+-36,
+22
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+7
+4,
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+-15,-6,0,4,8,8,8,8
+-26,-23,-19,-15,-9,-7,-3,-1,0,1,3,6,8,10,12,13,14,15,16,16,17,17,18,18,19,19,20,20,
+0,-14,-22,-26,-33
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+7,
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+-19,
+# mutate ./baseline.dna -> ./gen0_seed0.dna
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
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+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0,
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+-5,
+-11
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+800
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+33
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+-10,-4,1,3,4,5,5,5
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+24,22,17,14,13,13,12,12
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+13,12,11,11,9,9,9,8
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+-36,
+22
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+7
+4
+-30,-25,-21,-15,-7,-2,0,4,8,12,16,18,20,22,23,
+-15,-6,0,4,8,8,8,8
+-26,-23,-19,-15,-9,-7,-3,-1,0,1,3,6,8,10,12,13,14,15,16,16,17,17,18,18,19,19,20,20,
+0,-14,-22,-26,-33
+0,40,33,25,22,20,18,17,
+7,
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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,4,5,5,4,2,0,0,0,0,0,0,0,0,0,2,4,11,12,12,11,4,2,0,0,0,0,0,0,0,0,4,5,14,19,19,14,5,4,0,0,0,0,0,0,0,0,4,5,14,19,19,14,5,4,0,0,0,0,0,0,0,0,2,4,11,12,12,11,4,2,0,0,0,0,0,0,0,0,0,2,4,5,5,4,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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+-23
+# mutate ./baseline.dna -> ./gen0_seed0.dna
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
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+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0
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+0,-7,-8,-9,-10,-10,-9,-8,-7
+-5
+-11
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+0,0,0,48,34,22,13,9,0,0,0,9,13,22,34,48,0,0
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+0,0,64,43,13,6,3,1,0,0,0,1,3,6,13,43,64,0,
+0,0,7,14,21,28,34,41,55
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+706,
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+33
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+-10,-4,1,3,4,5,5,5
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+0,12,11,9,6,3,0,0,0,0,0,0,0,3,6,9,11,12,
+-17,-10,-6,0,3,5,7,8,8
+0,4,8
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+24,22,17,14,13,13,12,12,
+10,9,8,8,7,7,7,6,
+13,12,11,11,9,9,9,8
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+0,0,-22,-16,-13,-9,-5,-3,0,0,0,-3,-5,-9,-13,-16,-22,0
+-40
+22
+55,51,44,38,33,27,22,16,7,1,-3,-6,-9,-12,-18,-22,-25
+7,
+4
+-28,-24,-20,-14,-7,-2,0,4,8,12,15,17,19,21,22
+-15,-6,0,4,8,8,8,8
+-32,-28,-23,-18,-11,-8,-4,-2,-1,2,4,7,10,12,15,16,17,18,19,20,21,21,22,22,23,23,24,24,
+0,-14,-22,-26,-33
+0,34,28,22,19,17,16,15
+8
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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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+-22,
+# mutate ./baseline.dna -> ./gen0_seed1.dna
--- /dev/null
+0,78,70,63,58,53,49,45,43,43,43,43,43,43,43,43,0,0,108,101,94,86,78,72,67,61,57,57,57,57,57,57,57,0,0,130,114,107,100,94,88,81,75,66,66,66,66,66,66,66,0,
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36,
+0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,3,4,5,6,6,7,7,7,7,8,8,8,8,8,8,8,8
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+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0
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+-5
+-11
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+682,
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+-22,-14,-10,-5,-1,0,1,3,4,5,6,7,8,9
+-10,-4,1,3,4,5,5,5
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+-17,-10,-6,0,3,5,7,8,8
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+25,23,17,14,13,13,12,12,
+12,11,9,9,8,8,8,7
+13,12,11,11,9,9,9,8
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+-40
+22
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+6,
+4
+-28,-24,-20,-14,-7,-2,0,4,8,12,15,17,19,21,22
+-15,-6,0,4,8,8,8,8
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
+0,-14,-22,-26,-33
+0,34,28,22,19,17,16,15
+8
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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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+-23,
+# mutate ./baseline.dna -> ./gen0_seed2.dna
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
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+0,-7,-8,-9,-10,-10,-9,-8,-7
+-5
+-11
+0,0,162,111,62,36,18,13,0,0,0,13,18,36,62,111,162,0
+0,0,0,48,34,22,13,9,0,0,0,9,13,22,34,48,0,0
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+0,0,69,46,15,6,3,1,0,0,0,1,3,6,15,46,69,0,
+0,0,7,14,21,28,34,41,55
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+800
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+33
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+-17,-10,-6,0,3,5,7,8,8
+0,4,8
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+24,22,17,14,13,13,12,12
+12,11,9,9,8,8,8,7
+13,12,11,11,9,9,9,8
+0,0,25,17,12,6,1,0,0,0,0,0,1,6,12,17,25,0
+0,0,-26,-18,-15,-10,-5,-3,0,0,0,-3,-5,-10,-15,-18,-26,0,
+-33,
+18,
+55,51,44,38,33,27,22,16,7,1,-3,-6,-9,-12,-18,-22,-25
+6,
+4,
+-28,-24,-20,-14,-7,-2,0,4,8,12,15,17,19,21,22
+-15,-6,0,4,8,8,8,8,
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
+0,-14,-22,-26,-33
+0,34,28,22,19,17,16,15,
+8
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+-23
+# mutate ./baseline.dna -> ./gen0_seed3.dna
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-36,-12,0,2,5,8,12,17,23,-52,-20,0,3,7,11,15,20,26,-8,0,0,5,12,16,20,24,30,
+0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,3,4,5,6,6,7,7,7,7,8,8,8,8,8,8,8,8
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+7,7,7,7,7,7,6,6,6,5,6,4,3,4,3,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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+-5
+-11,
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+800
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+33
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+24,22,17,14,13,13,12,12
+9,9,7,7,6,6,6,5,
+13,12,11,11,9,9,9,8
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+-40
+22
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+7
+4
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+-15,-6,0,4,8,8,8,8
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
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+0,34,28,22,19,17,16,15
+8
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+-23
+# mutate ./baseline.dna -> ./gen0_seed4.dna
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
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+-5
+-11
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+800
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+33
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+-23
+# mutate ./baseline.dna -> ./gen0_seed5.dna
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
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+-23
+# mutate ./baseline.dna -> ./gen0_seed6.dna
--- /dev/null
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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+-18,-11,-8,-4,0,0,0,2,3,4,4,5,6,7,
+-8,-3,0,2,3,4,4,4,
+0,31,26,17,7,3,0,-9,-15,
+10,10,10,9,9,8,8,7,7,6,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0
+0,12,10,7,3,0,0,0,0,
+0,25,19,14,6,0,0,0,0
+0,12,11,9,6,3,0,0,0,0,0,0,0,3,6,9,11,12
+-19,-11,-6,0,3,5,8,9,9,
+0,4,8
+0,0,0,0,0,0,0,0,0,0,0,1,3,5,8,10,11,12,14,16,18,20,20,21,21,22,22,23,23,24,24,25,25,
+24,22,17,14,13,13,12,12
+11,10,8,8,7,7,7,6,
+13,12,11,11,9,9,9,8
+0,0,25,17,12,6,1,0,0,0,0,0,1,6,12,17,25,0
+0,0,-22,-16,-13,-9,-5,-3,0,0,0,-3,-5,-9,-13,-16,-22,0
+-40
+25,
+55,51,44,38,33,27,22,16,7,1,-3,-6,-9,-12,-18,-22,-25
+7
+4
+-28,-24,-20,-14,-7,-2,0,4,8,12,15,17,19,21,22
+-15,-6,0,4,8,8,8,8
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
+0,-14,-22,-26,-33
+0,34,28,22,19,17,16,15
+8
+1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,-4,-8,-12,-16,-20,-25,-31,-38,-50,-63,-76,-90,-105,-120,-135,-150,-165,-180,-195,-210,-225,-240,-255,-270,-290,-310,-330,-350,-370,-390,-410,-440,-470,-500,-500,-500,-500,-500,-500,-500,-500
+-23
+# mutate ./baseline.dna -> ./gen0_seed7.dna
--- /dev/null
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
+0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,3,4,5,6,6,7,7,7,7,8,8,8,8,8,8,8,8
+8,8,8,8,8,8,8,8,8,7,7,7,7,6,6,5,4,3,3,3,2,2,2,1,1,1,0,0,0,0,0,0
+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,-8,0,5,5,5,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,9,9,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,9,9,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,5,5,5,0,-8,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,-32,-65,-99,-134,-170,-207,-245,-290,0,-23,-47,-76,-108,-144,-184,-232,-290,0,-9,-19,-31,-46,-64,-86,-111,-143,0,-7,-13,-25,-39,-55,-73,-95,-121
+0,-3,-7,-9,-16,-35,-50,-85,-100
+0,-7,-8,-9,-10,-10,-9,-8,-7
+-4,
+-11
+0,0,162,111,62,36,18,13,0,0,0,13,18,36,62,111,162,0
+0,0,0,50,35,23,13,9,0,0,0,9,13,23,35,50,0,0,
+0,0,96,74,48,21,10,5,0,0,0,5,10,21,48,74,96,0
+0,0,60,40,13,6,3,1,0,0,0,1,3,6,13,40,60,0
+0,0,7,14,21,28,34,41,55
+60,-1,-1,37,-1,43,19,-1,14,9,20,4,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+800
+0,-6,-10,-16,-22
+33
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,53,52,51,50,49,48,47,45,43,41,40,40,40,40,40,40,40
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-6,-7,-7,-7,-7,-6,-4,0,0,0,0,0,0,0,0,-6,-7,-9,-8,-8,-9,-7,-6,0,0,0,0,0,0,0,0,-7,-8,-10,-11,-11,-10,-8,-7,0,0,0,0,0,0,0,0,-7,-8,-10,-11,-11,-10,-8,-7,0,0,0,0,0,0,0,0,-6,-7,-9,-8,-8,-9,-7,-6,0,0,0,0,0,0,0,0,-4,-6,-7,-7,-7,-7,-6,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-4,-5,-7,-8,-8,-7,-5,-4,0,0,0,0,0,0,0,0,-3,-4,-4,-4,-4,-4,-4,-3,0,0,0,0,0,0,0,0,-1,-1,-2,-2,-2,-2,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+-22,-14,-10,-5,-1,0,1,3,4,5,6,7,8,9
+-10,-4,1,3,4,5,5,5
+0,33,28,18,8,4,0,-10,-16
+10,10,10,9,9,8,8,7,7,6,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,5,8,8,5,-2,-8,0,0,0,0,0,0,0,0,-8,-2,4,5,5,4,-2,-8,0,0,0,0,0,0,0,0,-8,-2,-2,0,0,-2,-2,-8,0,0,0,0,0,0,0,0,-12,-8,-8,-8,-8,-8,-8,-12,0,0,0,0,0,0,0,0,
+0,15,12,9,4,0,0,0,0
+0,25,19,14,6,0,0,0,0
+0,12,11,9,6,3,0,0,0,0,0,0,0,3,6,9,11,12
+-17,-10,-6,0,3,5,7,8,8
+0,4,8,
+0,0,0,0,0,0,0,0,0,0,1,2,4,6,10,12,13,14,16,19,21,23,23,24,24,25,25,26,26,28,28,29,30,
+24,22,17,14,13,13,12,12
+12,11,9,9,8,8,8,7
+13,12,11,11,9,9,9,8
+0,0,25,17,12,6,1,0,0,0,0,0,1,6,12,17,25,0
+0,0,-22,-16,-13,-9,-5,-3,0,0,0,-3,-5,-9,-13,-16,-22,0
+-40
+22
+62,58,50,43,37,30,25,18,8,1,-3,-6,-10,-13,-20,-25,-28,
+7
+4
+-31,-26,-22,-15,-7,-2,0,4,8,13,16,19,21,23,24,
+-15,-6,0,4,8,8,8,8
+-30,-26,-22,-17,-11,-8,-4,-2,-1,2,4,7,10,12,14,15,16,17,18,19,20,20,21,21,22,22,23,23
+0,-14,-22,-26,-33
+0,34,28,22,19,17,16,15
+8
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,5,7,17,23,23,17,7,5,0,0,0,0,0,0,0,0,3,5,13,15,15,13,5,3,0,0,0,0,0,0,0,0,1,3,5,7,7,5,3,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,-4,-8,-12,-16,-20,-25,-31,-38,-50,-63,-76,-90,-105,-120,-135,-150,-165,-180,-195,-210,-225,-240,-255,-270,-290,-310,-330,-350,-370,-390,-410,-440,-470,-500,-500,-500,-500,-500,-500,-500,-500
+-23
+# mutate ./baseline.dna -> ./gen0_seed8.dna
--- /dev/null
+/*\r
+ * INCLUDES\r
+ */\r
+\r
+#include <stdio.h>\r
+#include <string.h>\r
+#include <unistd.h>\r
+#include <stdlib.h>\r
+#include <signal.h>\r
+#include <time.h>\r
+#include <sys/time.h>\r
+#include <sys/types.h>\r
+#include <math.h>\r
+#include <sys/wait.h>\r
+\r
+\r
+/*\r
+ * GLOBALS\r
+ */\r
+\r
+int start_time;\r
+bool pipe_logging = false;\r
+int only_opening = -1;\r
+FILE *pgn_log = NULL;\r
+FILE *match_log = NULL;\r
+\r
+\r
+\r
+\r
+/*\r
+ * Misc\r
+ */\r
+\r
+void strip_newline(char *s)\r
+{\r
+ int i;\r
+ \r
+ for (i = 0;; ++i)\r
+ {\r
+ if (!s[i] || s[i] == '\r' || s[i] == '\n')\r
+ {\r
+ s[i] = 0;\r
+ return;\r
+ }\r
+ }\r
+}\r
+\r
+void copy_result(char *to, char *from)\r
+{\r
+ int i;\r
+ \r
+ for (i = 0; i < strlen(from); ++i)\r
+ if (from[i] == '0' || from[i] == '1')\r
+ break;\r
+ strcpy(to, &from[i]);\r
+ for (i = 0; i < strlen(to); ++i)\r
+ if (to[i] == '}')\r
+ break;\r
+ to[i + 1] = 0;\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * MyLock\r
+ */\r
+\r
+#include <pthread.h>\r
+#include <semaphore.h>\r
+\r
+class MyLock\r
+{\r
+public:\r
+ MyLock();\r
+ void get();\r
+ void release();\r
+\r
+private:\r
+ pthread_mutex_t the_lock;\r
+};\r
+\r
+MyLock::MyLock()\r
+{\r
+ pthread_mutex_init(&the_lock, NULL);\r
+}\r
+\r
+void MyLock::get()\r
+{\r
+ for (;;)\r
+ {\r
+ if (pthread_mutex_lock(&the_lock) == 0) // EBUSY??\r
+ break;\r
+ usleep(1);\r
+ }\r
+}\r
+\r
+void MyLock::release()\r
+{\r
+ pthread_mutex_unlock(&the_lock);\r
+}\r
+\r
+MyLock glock;\r
+\r
+\r
+\r
+\r
+/*\r
+ * Settings\r
+ */\r
+\r
+class Settings\r
+{\r
+public:\r
+ Settings() { count = 0; };\r
+ bool read(char *filename);\r
+ char * get(char *name);\r
+\r
+private:\r
+ char map[20][2][1000];\r
+ int count;\r
+};\r
+\r
+Settings settings;\r
+\r
+bool Settings::read(char *filename)\r
+{\r
+ FILE *f;\r
+ char line[1000];\r
+ char var[1000];\r
+\r
+ printf("Reading settings file: %s\n", filename);\r
+ count = 0;\r
+ f = fopen(filename, "r");\r
+ if (!f)\r
+ {\r
+ printf("Couldn't open file.\n");\r
+ return false;\r
+ }\r
+ for (;;)\r
+ {\r
+ line[0] = 0;\r
+ fgets(line, 1000, f);\r
+ if (!line[0])\r
+ break;\r
+ strip_newline(line);\r
+ sscanf(line, "%s", var);\r
+ strcpy(map[count][0], var);\r
+ strcpy(map[count][1], line + strlen(var) + 1);\r
+ count++;\r
+ }\r
+ fclose(f);\r
+ return true;\r
+}\r
+\r
+char * Settings::get(char *name)\r
+{\r
+ int i;\r
+ \r
+ for (i = 0; i < count; ++i)\r
+ if (!strcmp(map[i][0], name))\r
+ return map[i][1];\r
+ printf("Setting not found: %s\n", name);\r
+ exit(1);\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * ChildProc\r
+ */\r
+\r
+class ChildProc\r
+{\r
+public:\r
+ ChildProc();\r
+ virtual ~ChildProc();\r
+ \r
+ virtual void start(char *cmd_line);\r
+ virtual void stop();\r
+ void send(char *line);\r
+ void receive(char *line, int size);\r
+ bool poll();\r
+ void flush();\r
+ char * get_cmd() { return cmd; }\r
+ \r
+private:\r
+ void init();\r
+\r
+ char cmd[100];\r
+ bool running;\r
+\r
+ int pid;\r
+ int to_prog[2];\r
+ int from_prog[2];\r
+ FILE *to;\r
+ FILE *from;\r
+};\r
+\r
+ChildProc::ChildProc()\r
+{\r
+ init();\r
+}\r
+\r
+ChildProc::~ChildProc()\r
+{\r
+ stop();\r
+}\r
+\r
+void ChildProc::init()\r
+{\r
+ strcpy(cmd, "");\r
+ pid = 0;\r
+ to = NULL;\r
+ from = NULL;\r
+ running = false;\r
+}\r
+\r
+void ChildProc::start(char *cmd_line)\r
+{\r
+ char *argv[100];\r
+ char arg_buff[100][100];\r
+ int args = 0, i = 0, j = 0;\r
+\r
+ argv[0] = arg_buff[0];\r
+ for (;;)\r
+ {\r
+ argv[args][i] = cmd_line[j];\r
+ if (!argv[args][i] || argv[args][i] == ' ')\r
+ {\r
+ argv[args][i] = 0;\r
+ args++;\r
+ argv[args] = arg_buff[args];\r
+ i = -1; // will get incremented to 0\r
+ }\r
+ if (!cmd_line[j])\r
+ break;\r
+ i++;\r
+ j++;\r
+ }\r
+ argv[args] = NULL;\r
+ \r
+ stop();\r
+ glock.get();\r
+ pipe(to_prog);\r
+ pipe(from_prog);\r
+ if ((pid = fork()) == 0) // what to do with glock here?\r
+ {\r
+ dup2(to_prog[0], 0);\r
+ dup2(from_prog[1], 1);\r
+ close(to_prog[0]);\r
+ close(to_prog[1]);\r
+ close(from_prog[0]);\r
+ close(from_prog[1]);\r
+ dup2(1, fileno(stderr)); // force stderr to the pipe\r
+ execvp(argv[0], argv);\r
+ perror(argv[0]);\r
+ exit(1);\r
+ }\r
+ if (pid == -1)\r
+ {\r
+ printf("fork() failed, command line: %s\n", cmd_line);\r
+ exit(1);\r
+ }\r
+ close(to_prog[0]);\r
+ close(from_prog[1]);\r
+ from = fdopen(from_prog[0], "r");\r
+ to = fdopen(to_prog[1], "w");\r
+ setbuf(from, NULL);\r
+ setbuf(to, NULL);\r
+ glock.release();\r
+\r
+ running = true;\r
+ strcpy(cmd, argv[0]); \r
+}\r
+\r
+void ChildProc::stop()\r
+{\r
+ int x;\r
+ \r
+ if (!running)\r
+ return;\r
+ glock.get();\r
+ fclose(to);\r
+ fclose(from);\r
+ close(to_prog[1]);\r
+ close(from_prog[0]);\r
+ glock.release();\r
+ kill(pid, SIGTERM);\r
+ waitpid(pid, &x, 0);\r
+ init();\r
+}\r
+\r
+void ChildProc::send(char *line)\r
+{\r
+ char temp[1000];\r
+ int i;\r
+ \r
+ if (!running)\r
+ return;\r
+ strcpy(temp, line);\r
+ strip_newline(temp);\r
+ glock.get();\r
+ fprintf(to, "%s\n", temp);\r
+ glock.release();\r
+ if (pipe_logging)\r
+ printf("%s send: %s\n", cmd, temp);\r
+}\r
+\r
+void ChildProc::receive(char *line, int size)\r
+{\r
+ int i;\r
+ \r
+ line[0] = 0;\r
+ if (!running)\r
+ return;\r
+ if (!poll())\r
+ return;\r
+ glock.get();\r
+ fgets(line, size, from);\r
+ glock.release();\r
+ strip_newline(line);\r
+ if (pipe_logging)\r
+ printf("%s recv: %s\n", cmd, line);\r
+}\r
+\r
+bool ChildProc::poll()\r
+{\r
+ fd_set myset;\r
+ timeval mytime;\r
+ int r;\r
+ \r
+ FD_ZERO(&myset);\r
+ FD_SET(from_prog[0], &myset);\r
+ mytime.tv_sec = 0;\r
+ mytime.tv_usec = 0;\r
+ glock.get();\r
+ r = select(from_prog[0] + 1, &myset, NULL, NULL, &mytime);\r
+ glock.release();\r
+ return (r > 0) ? true : false;\r
+}\r
+\r
+void ChildProc::flush()\r
+{\r
+ char line[1000];\r
+ \r
+ while (poll())\r
+ {\r
+ receive(line, 1000);\r
+ if (!line[0])\r
+ break;\r
+ }\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * ChessEngine\r
+ */\r
+\r
+class ChessEngine : private ChildProc\r
+{\r
+public:\r
+ void start(char *cmd_line, char *init_str_arg);\r
+ void stop();\r
+ void new_game();\r
+ void send_move(char *move);\r
+ void get_move(char *move);\r
+ bool is_game_over() { return game_over; }\r
+ char * get_result() { return result; }\r
+ \r
+private:\r
+ bool game_over;\r
+ char result[100];\r
+ char init_str[1000];\r
+};\r
+\r
+void ChessEngine::start(char *cmd_line, char *init_str_arg)\r
+{\r
+ ChildProc::start(cmd_line);\r
+ send("xboard\n");\r
+ strcpy(init_str, init_str_arg);\r
+}\r
+\r
+void ChessEngine::stop()\r
+{\r
+ send("quit\n");\r
+ ChildProc::stop();\r
+}\r
+\r
+void ChessEngine::new_game()\r
+{\r
+ char temp[1000];\r
+ \r
+ // stop the engine and flush leftover output\r
+ // only necessary when reusing the engine\r
+ /*send("?\n");\r
+ usleep(100000);\r
+ flush();*/\r
+\r
+ send("new\n");\r
+ send("easy\n");\r
+ sprintf(temp, "%s\n", init_str);\r
+ send(temp);\r
+ send("force\n");\r
+\r
+ game_over = false;\r
+}\r
+\r
+void ChessEngine::send_move(char *move)\r
+{\r
+ char s[100];\r
+ \r
+ if (game_over)\r
+ return;\r
+ sprintf(s, "%s\n", move);\r
+ send(s);\r
+}\r
+\r
+void ChessEngine::get_move(char *move)\r
+{\r
+ char line[1000];\r
+ char tok[1000];\r
+ \r
+ move[0] = 0;\r
+ while (poll()) // does the engine think the game is over?\r
+ {\r
+ receive(line, 1000);\r
+ if (strchr(line, '{'))\r
+ {\r
+ game_over = true;\r
+ copy_result(result, line);\r
+ }\r
+ }\r
+ if (game_over)\r
+ return;\r
+ send("go\n");\r
+ for (;;)\r
+ {\r
+ receive(line, 1000);\r
+ if (!line[0])\r
+ {\r
+ usleep(1000);\r
+ continue;\r
+ } \r
+ if (strchr(line, '{'))\r
+ {\r
+ game_over = true;\r
+ copy_result(result, line);\r
+ break;\r
+ }\r
+ sscanf(line, "%s", tok);\r
+ if (!strcmp(tok, "move"))\r
+ {\r
+ sscanf(line, "move %s", move);\r
+ break;\r
+ }\r
+ }\r
+ if (!game_over)\r
+ send("force\n");\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * WorkItems\r
+ */\r
+\r
+const int max_work_items = 5000;\r
+const int max_game_ply = 400;\r
+\r
+struct WorkItem\r
+{\r
+ volatile int status;\r
+ bool printed;\r
+ \r
+ int white_engine;\r
+ int opening_id;\r
+ char opening[200];\r
+ char move[max_game_ply + 2][10];\r
+ int moves;\r
+ char result[100];\r
+};\r
+\r
+WorkItem *work_item[max_work_items];\r
+int work_items;\r
+\r
+bool make_work_items(char *filename)\r
+{\r
+ FILE *f;\r
+ char line[1000];\r
+ int openings = 0;\r
+ WorkItem *w;\r
+\r
+ printf("Creating work items from file: %s\n", filename);\r
+ work_items = 0;\r
+ f = fopen(filename, "r");\r
+ if (!f)\r
+ {\r
+ printf("Couldn't open file.\n");\r
+ return false;\r
+ }\r
+ for (;;)\r
+ {\r
+ line[0] = 0;\r
+ fgets(line, 1000, f);\r
+ if (!line[0])\r
+ break;\r
+ strip_newline(line);\r
+ openings++;\r
+ \r
+ if (only_opening != -1 && openings != only_opening)\r
+ continue;\r
+ \r
+ w = new WorkItem;\r
+ w->status = 0;\r
+ w->opening_id = openings;\r
+ strcpy(w->opening, line);\r
+ w->white_engine = 1;\r
+ work_item[work_items++] = w;\r
+\r
+ w = new WorkItem;\r
+ w->status = 0;\r
+ w->opening_id = openings;\r
+ strcpy(w->opening, line);\r
+ w->white_engine = 2;\r
+ work_item[work_items++] = w;\r
+ }\r
+ fclose(f);\r
+ printf("%d work items created.\n", work_items);\r
+ return true;\r
+}\r
+\r
+void print_game(WorkItem *w)\r
+{\r
+ char white_name[100];\r
+ char black_name[100];\r
+ char line[1000];\r
+ char short_result[100];\r
+ char *temp;\r
+ int m, i, line_break;\r
+ \r
+ if (w->white_engine == 1)\r
+ {\r
+ strcpy(white_name, settings.get("engine1"));\r
+ strcpy(black_name, settings.get("engine2"));\r
+ }\r
+ else\r
+ {\r
+ strcpy(white_name, settings.get("engine2"));\r
+ strcpy(black_name, settings.get("engine1"));\r
+ }\r
+ sprintf(line, "Opening: %d, %s vs. %s, result: %s\n",\r
+ w->opening_id,\r
+ white_name,\r
+ black_name,\r
+ w->result);\r
+ printf(line);\r
+ fprintf(match_log, line);\r
+ fflush(match_log);\r
+ \r
+ strcpy(short_result, w->result);\r
+ temp = strchr(short_result, ' ');\r
+ if (temp)\r
+ *temp = 0;\r
+ fprintf(pgn_log, "[Round \"%d.%d\"]\n", w->opening_id, w->white_engine);\r
+ fprintf(pgn_log, "[White \"%s\"]\n", white_name);\r
+ fprintf(pgn_log, "[Black \"%s\"]\n", black_name);\r
+ fprintf(pgn_log, "[Result \"%s\"]\n", short_result);\r
+ fprintf(pgn_log, "\n");\r
+ m = 0;\r
+ line_break = 0;\r
+ for (i = 1;; ++i)\r
+ {\r
+ if (m == w->moves)\r
+ {\r
+ fprintf(pgn_log, "%s\n", w->result);\r
+ break;\r
+ }\r
+ fprintf(pgn_log, "%d. %s ", i, w->move[m++]);\r
+ if (m < w->moves)\r
+ fprintf(pgn_log, "%s ", w->move[m++]);\r
+ if (m > line_break + 8)\r
+ {\r
+ fprintf(pgn_log, "\n");\r
+ line_break = m;\r
+ }\r
+ }\r
+ fprintf(pgn_log, "\n");\r
+ fflush(pgn_log);\r
+ \r
+ w->printed = true;\r
+}\r
+\r
+void print_stats(int items)\r
+{\r
+ int i;\r
+ int win = 0, lose = 0, draw = 0;\r
+ int games = 0;\r
+ double percent;\r
+ double elo;\r
+ char elo_sign = '+';\r
+ int elapsed_time;\r
+ int min, sec;\r
+ double spg = 10.0;\r
+ double percent_done;\r
+ double eta;\r
+ int eta_min, eta_sec;\r
+ \r
+ for (i = 0; i < items; ++i)\r
+ {\r
+ if (work_item[i]->status != 2) // shouldn't happen\r
+ break;\r
+ if (strstr(work_item[i]->result, "1-0"))\r
+ {\r
+ if (work_item[i]->white_engine == 1)\r
+ win++;\r
+ else\r
+ lose++;\r
+ }\r
+ if (strstr(work_item[i]->result, "0-1"))\r
+ {\r
+ if (work_item[i]->white_engine == 1)\r
+ lose++;\r
+ else\r
+ win++;\r
+ }\r
+ if (strstr(work_item[i]->result, "1/2-1/2"))\r
+ draw++;\r
+ }\r
+ games = win + lose + draw;\r
+ \r
+ percent = (double)win + (0.5 * (double)draw);\r
+ percent /= (double)games;\r
+ if (percent > 0.99999)\r
+ elo = 400.0;\r
+ else if (percent < 0.00001)\r
+ elo = -400.0;\r
+ else\r
+ elo = -400.0 * log(1.0 / percent - 1.0) / log(10.0);\r
+ if (elo < 0.0)\r
+ {\r
+ elo_sign = '-';\r
+ elo = -elo;\r
+ }\r
+ elapsed_time = time(NULL) - start_time;\r
+ sec = elapsed_time;\r
+ min = sec / 60;\r
+ sec -= min * 60;\r
+ if (elapsed_time)\r
+ spg = (double)(time(NULL) - start_time) / (double)games;\r
+ percent_done = (double)games / (double)work_items;\r
+ eta = (double)work_items - (double)games;\r
+ eta *= spg;\r
+ eta_sec = (int)eta;\r
+ eta_min = eta_sec / 60;\r
+ eta_sec -= eta_min * 60;\r
+ \r
+ printf("%s vs. %s: +%d -%d =%d, %.2f%c, ELO: %c%d\n",\r
+ settings.get("engine1"),\r
+ settings.get("engine2"),\r
+ win, lose, draw,\r
+ (float)(percent * 100.0), '%',\r
+ elo_sign, (int)elo);\r
+ printf("%d games in %d:%02d, %.2f seconds/game, %.1f%c done, ETA: %d:%02d\n",\r
+ games, min, sec, (float)spg,\r
+ (float)(percent_done * 100.0), '%',\r
+ eta_min, eta_sec);\r
+ printf("\n");\r
+}\r
+\r
+\r
+\r
+/*\r
+ * WorkerThread\r
+ */\r
+\r
+class WorkerThread\r
+{\r
+public:\r
+ void do_work(int id_arg);\r
+ void do_item(WorkItem *w);\r
+
+private:\r
+ void do_opening(WorkItem *w);\r
+ void add_move(WorkItem *w, char *move);\r
+\r
+ int id;\r
+ ChessEngine engine1, engine2;\r
+};\r
+\r
+void WorkerThread::do_work(int id_arg)\r
+{\r
+ int i;\r
+ \r
+ id = id_arg;\r
+ for (;;)\r
+ {\r
+ glock.get();\r
+ for (i = 0; i < work_items; ++i)\r
+ if (work_item[i]->status == 0)\r
+ break;\r
+ if (i != work_items)\r
+ work_item[i]->status = 1;\r
+ glock.release();\r
+\r
+ if (i == work_items)\r
+ break;\r
+ do_item(work_item[i]);\r
+ }\r
+}\r
+\r
+void WorkerThread::do_item(WorkItem *w)\r
+{\r
+ char move[100];\r
+ ChessEngine *etm; // engine to move\r
+ ChessEngine *etw; // engine to wait\r
+ ChessEngine *temp;\r
+\r
+ w->printed = false;\r
+ w->moves = 0;\r
+ \r
+ engine1.start(settings.get("cmd1"), settings.get("init1"));\r
+ engine2.start(settings.get("cmd2"), settings.get("init2"));\r
+ engine1.new_game();\r
+ engine2.new_game();\r
+ do_opening(w);\r
+ \r
+ etm = &engine1;\r
+ etw = &engine2;\r
+ if ((w->moves & 1) == 1 && w->white_engine == 1)\r
+ {\r
+ etm = &engine2;\r
+ etw = &engine1;\r
+ }\r
+ if ((w->moves & 1) == 0 && w->white_engine == 2)\r
+ {\r
+ etm = &engine2;\r
+ etw = &engine1;\r
+ }\r
+ for (;;)\r
+ {\r
+ etm->get_move(move);\r
+ if (etm->is_game_over())\r
+ {\r
+ strcpy(w->result, etm->get_result());\r
+ break;\r
+ }\r
+ etw->send_move(move);\r
+ add_move(w, move);\r
+ if (w->moves >= max_game_ply)\r
+ {\r
+ strcpy(w->result, "1/2-1/2 {Game too long}");\r
+ break;\r
+ }\r
+ temp = etm;\r
+ etm = etw;\r
+ etw = temp;\r
+ }\r
+ \r
+ engine1.stop();\r
+ engine2.stop();\r
+ w->status = 2;\r
+}\r
+\r
+void WorkerThread::do_opening(WorkItem *w)\r
+{\r
+ char move[100];\r
+ int i = 0, j = 0;\r
+ \r
+ for (;;)\r
+ {\r
+ move[i] = w->opening[j];\r
+ if (!move[i] || move[i] == ' ')\r
+ {\r
+ move[i] = 0;\r
+ engine1.send_move(move);\r
+ engine2.send_move(move);\r
+ add_move(w, move);\r
+ i = -1;\r
+ }\r
+ if (!w->opening[j])\r
+ break;\r
+ i++;\r
+ j++;\r
+ }\r
+}\r
+\r
+void WorkerThread::add_move(WorkItem *w, char *move)\r
+{\r
+ strcpy(w->move[w->moves++], move);\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * threads\r
+ */\r
+\r
+WorkerThread *worker[100];\r
+pthread_t *mythread[100];\r
+volatile int thread_count = 0;\r
+\r
+void * thread_proc(void *arg)\r
+{\r
+ int id;\r
+ \r
+ glock.get();\r
+ id = thread_count++;\r
+ glock.release();\r
+ worker[id] = new WorkerThread;\r
+ worker[id]->do_work(id);\r
+ delete worker[id];\r
+ pthread_exit(&mythread[id]);\r
+ delete mythread[id]; // ?\r
+}\r
+\r
+void start_threads(int count)\r
+{\r
+ int i;\r
+ int x = 0;\r
+\r
+ printf("Starting threads...\n");\r
+ for (i = 0; i < count; ++i)\r
+ {\r
+ mythread[i] = new pthread_t;\r
+ pthread_create(mythread[i], NULL, thread_proc, (void *)&x);\r
+ }\r
+ printf("Started %d threads.\n", i);\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * main\r
+ */\r
+\r
+main(int argc, char *argv[])\r
+{\r
+ int i;\r
+ char settings_filename[100];\r
+ int threads = 1;\r
+ \r
+ start_time = time(NULL);\r
+ strcpy(settings_filename, "settings.txt");\r
+\r
+ for (i = 1;;)\r
+ {\r
+ if (i >= argc)\r
+ break;\r
+ if (!strcmp(argv[i], "-l"))\r
+ {\r
+ pipe_logging = true;\r
+ }\r
+ else if (!strcmp(argv[i], "-o"))\r
+ {\r
+ only_opening = atoi(argv[++i]);\r
+ }\r
+ else if (!strcmp(argv[i], "-t"))\r
+ {\r
+ threads = atoi(argv[++i]);\r
+ }\r
+ else if (argv[i][0] == '-')\r
+ {\r
+ printf("Usage: shiai [options] [settings file]\n");\r
+ printf("\n");\r
+ printf(" -h : Display this screen\n");\r
+ printf(" -l : Display I/O with engines (\"log\")\n");\r
+ printf(" -o # : Run opening number #\n");\r
+ printf(" -t # : Run with # threads\n");\r
+ printf("\n");\r
+ exit(0);\r
+ }\r
+ else\r
+ {\r
+ strcpy(settings_filename, argv[i]);\r
+ }\r
+ i++;\r
+ }\r
+ \r
+ if (!settings.read(settings_filename))\r
+ exit(1);\r
+ if (!make_work_items(settings.get("openings")))\r
+ exit(1);\r
+ \r
+ pgn_log = fopen(settings.get("pgnlog"), "w");\r
+ if (!pgn_log)\r
+ {\r
+ printf("Couldn't open %s for writing.\n", settings.get("pgnlog"));\r
+ exit(1);\r
+ }\r
+ match_log = fopen(settings.get("matchlog"), "w");\r
+ if (!match_log)\r
+ {\r
+ printf("Couldn't open %s for writing.\n", settings.get("matchlog"));\r
+ exit(1);\r
+ }\r
+ \r
+ if (threads <= 0 || threads > 16)\r
+ threads = 1;\r
+ start_threads(threads);\r
+ for (i = 0; i < work_items; ++i)\r
+ {\r
+ while (work_item[i]->status != 2)\r
+ sleep(1);\r
+ print_game(work_item[i]);\r
+ print_stats(i + 1);\r
+ }\r
+ \r
+ fclose(pgn_log);\r
+ fclose(match_log);\r
+ return 0;\r
+}\r
--- /dev/null
+#!/usr/bin/perl
+
+open(FILE, $ARGV[0]) || die $!;
+open(OUT, ">$ARGV[1]") || die $!;
+$mutation_chance = 0.20;
+$mutation_allowed = 1;
+
+while(<FILE>) {
+ next if (/^\s*$/);
+ if (/^\s*#/) {
+ $mutation_allowed = 1 if (/^#\s*BEGIN MUTATION ALLOWED/);
+ $mutation_allowed = 0 if (/^#\s*END MUTATION ALLOWED/);
+ print OUT;
+ next;
+ }
+ $should_mutate = rand() < $mutation_chance;
+ $mutation_amount = (rand() - 0.5) / 2.7;
+ if (($should_mutate) && ($mutation_allowed)) {
+ @arr = split(/,/);
+ for $a (@arr) {
+ $x = ($a * $mutation_amount);
+ $x += $a;
+ $x = int($x);
+ print OUT "$x,";
+ }
+ print OUT "\n";
+ } else {
+ print OUT;
+ }
+}
+exit 0;
--- /dev/null
+position
+[White "unknown"]
+[Black "Crafty 19.13"]
+[Date "2007.06.18"]
+setboard 1r1r/1b2kpp/2pRp2p/p3P/2B/2PR2P/P1P2P1P/2K/ b
+{-140 6314 780}
+[White "unknown"]
+[Black "Crafty 19.13"]
+[Date "2007.06.19"]
+setboard /4k/1n1p1p1p/n2Pp1pP/2p1P1P/N1P2P/1P1KB// b
+{-280 15604 1020}
--- /dev/null
+#!/usr/bin/perl
+
+$gen = $ARGV[0];
+opendir(DIR, ".");
+@files = readdir(DIR);
+closedir(DIR);
+
+$min_score = 999999999; $max_score = 0;
+$total = 0;
+$best = "";
+for $file(@files) {
+ if ($file =~ m/gen(\d+)_\d+\.log/) {
+ $score = 0;
+ next if $1 != $gen;
+ open(FILE, $file) || die $!;
+ $total++;
+ while(<FILE>) {
+ chop;
+ if (m/ correct solutions\s+\:\s+(\d+)/) {
+ $score = $1;
+ last;
+ }
+ }
+ $score = int($score);
+ $scores[$score] += 1;
+ $names{$score} .= "$file ";
+ if ($score > $max_score) {
+ $max_score = $score;
+ $best = $file;
+ }
+ $min_score = $score if ($score < $min_score);
+ close(FILE);
+ }
+}
+
+for ($x = $min_score; $x <= $max_score; $x++) {
+ next if $scores[$x] == 0;
+ printf "%4u : ", $x;
+ print "*" x int($scores[$x] / $total * 60);
+ print " ($scores[$x], $names{$x})\n";
+}
+print "Best was $best\n";
+system "tail -22 $best";
--- /dev/null
+st 20\r
+easy\r
+setboard 2q1r1k1/1ppb4/r2p1Pp1/p4n1p/2P1n3/5NPP/PP3Q1K/2BRRB2 w - -\r
+solution f7+\r
+id "ECM.001"\r
+go\r
+setboard 7r/1p2k3/2bpp3/p3np2/P1PR4/2N2PP1/1P4K1/3B4 b - -\r
+solution Bxf3+\r
+id "ECM.002"\r
+go\r
+setboard 4k3/p1P3p1/2q1np1p/3N4/8/1Q3PP1/6KP/8 w - -\r
+solution Qb5\r
+id "ECM.003"\r
+go\r
+setboard 2r1b1k1/R4pp1/4pb1p/1pBr4/1Pq2P2/3N4/2PQ2PP/5RK1 b - -\r
+solution Rcxc5\r
+id "ECM.004"\r
+go\r
+setboard 6k1/p1qb1p1p/1p3np1/2b2p2/2B5/2P3N1/PP2QPPP/4N1K1 b - -\r
+solution Bxf2+\r
+id "ECM.005"\r
+go\r
+setboard 3q4/pp3pkp/5npN/2bpr1B1/4r3/2P2Q2/PP3PPP/R4RK1 w - -\r
+solution Bxf6+\r
+id "ECM.006"\r
+go\r
+setboard 3rr1k1/pb3pp1/1p1q1b1p/1P2NQ2/3P4/P1NB4/3K1P1P/2R3R1 w - -\r
+solution Rxg7+\r
+id "ECM.007"\r
+go\r
+setboard r1b1r1k1/p1p3pp/2p2n2/2bp4/5P2/3BBQPq/PPPK3P/R4N1R b - -\r
+solution Bg4\r
+id "ECM.008"\r
+go\r
+setboard 3r4/1b2k3/1pq1pp2/p3n1pr/2P5/5PPN/PP1N1QP1/R2R2K1 b - -\r
+solution Rxh3\r
+id "ECM.009"\r
+go\r
+setboard 2r4k/pB4bp/6p1/6q1/1P1n4/2N5/P4PPP/2R1Q1K1 b - -\r
+solution Qxc1\r
+id "ECM.010"\r
+go\r
+setboard 1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - -\r
+solution Nxg4\r
+id "ECM.011"\r
+go\r
+setboard 5rk1/7p/p1N5/3pNp2/2bPnqpQ/P7/1P3PPP/4R1K1 w - -\r
+solution Ne7+\r
+id "ECM.012"\r
+go\r
+setboard rnb2rk1/pp2np1p/2p2q1b/8/2BPPN2/2P2Q2/PP4PP/R1B2RK1 w - -\r
+solution Nd5\r
+id "ECM.013"\r
+go\r
+setboard 2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - -\r
+solution Nd5\r
+id "ECM.014"\r
+go\r
+setboard r3kb1r/pp2pppp/3q4/3Pn3/6b1/2N1BN2/PP3PPP/R2QKB1R w KQkq -\r
+solution Nxe5\r
+id "ECM.015"\r
+go\r
+setboard 2rr2k1/1b3p1p/p4qpb/2R1n3/3p4/BP2P3/P3QPPP/3R1BKN b - -\r
+solution Rxc5\r
+id "ECM.016"\r
+go\r
+setboard r1b1k3/5p1p/p1p5/3np3/1b2N3/4B3/PPP1BPrP/2KR3R w q -\r
+solution Rxd5\r
+id "ECM.017"\r
+go\r
+setboard r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R2K1 w - -\r
+solution Nxd6\r
+id "ECM.018"\r
+go\r
+setboard b7/2q2kp1/p3pbr1/1pPpP2Q/1P1N3P/6P1/P7/5RK1 w - -\r
+solution Rxf6+\r
+id "ECM.019"\r
+go\r
+setboard 1rr1nbk1/5ppp/3p4/1q1PpN2/np2P3/5Q1P/P1BB1PP1/2R1R1K1 w - -\r
+solution Bxa4\r
+id "ECM.020"\r
+go\r
+setboard r7/5kp1/2p1p2p/1p1n3P/2rP4/2P3R1/PK2RPP1/2B5 b - -\r
+solution Rxc3\r
+id "ECM.021"\r
+go\r
+setboard r1r3k1/p3qpp1/b1P4p/3p4/3Nn3/4P3/P1Q2PPP/1BR1K2R b K -\r
+solution Qb4+\r
+id "ECM.022"\r
+go\r
+setboard rn3rk1/4bppp/1q2p3/p2pP3/8/1PN2B1P/P4PP1/2RQ1RK1 w - -\r
+solution Bxd5\r
+id "ECM.023"\r
+go\r
+setboard 6rk/1p1br2p/pqp5/3pNP2/3Pp3/P5PR/5PKR/Q7 w - -\r
+solution Rxh7+\r
+id "ECM.024"\r
+go\r
+setboard 2b3k1/5p1p/7b/p2B3p/3P4/P2Q1N1P/1q3PP1/6K1 w - -\r
+solution Bxf7+\r
+id "ECM.025"\r
+go\r
+setboard r1b5/4k3/p7/3p1n2/3Bp3/2P2r1P/PPBK1P2/4R2R w - -\r
+solution Bc5+\r
+id "ECM.026"\r
+go\r
+setboard r4rk1/1b3Npp/p7/1p3Q2/3P4/1B2q3/P5PP/3n1R1K b - -\r
+solution Bxg2+\r
+id "ECM.027"\r
+go\r
+setboard r1b2rk1/2q2ppp/2pbp3/p7/4Nn2/3B4/PPPBQ1PP/R4R1K w - -\r
+solution Rxf4\r
+id "ECM.028"\r
+go\r
+setboard 3r2k1/1q1P1ppp/r2R2n1/p4Q2/1ppB2R1/6P1/PP3PP1/6K1 w - -\r
+solution Rgxg6\r
+id "ECM.029"\r
+go\r
+setboard r2q1rk1/p3b1pp/2p5/1pn5/1n1Bp1b1/1P6/PQ1PPP2/2RNKBNR b K -\r
+solution Bxe2\r
+id "ECM.030"\r
+go\r
+setboard 3r2k1/p2r1p1p/1p2p1p1/q4n2/3P4/PQ1R3P/1P2NPP1/3R2K1 b - -\r
+solution Nxd4\r
+id "ECM.031"\r
+go\r
+setboard 2bnr1k1/2q2ppp/p7/2p1b3/2N1B3/R7/1P2QPPP/2B3K1 w - -\r
+solution Nxe5\r
+id "ECM.032"\r
+go\r
+setboard r1b2r1k/3nN2p/p2Q1p2/8/4PP2/1R6/q1PK2PP/4R3 w - -\r
+solution Qd5\r
+id "ECM.033"\r
+go\r
+setboard 1nk1r1r1/pp2n1pp/4p3/q2pPp1N/b1pP1P2/B1P2R2/2P1B1PP/R2Q2K1 w - -\r
+solution Nf6\r
+id "ECM.034"\r
+go\r
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -\r
+solution Rxc8\r
+id "ECM.035"\r
+go\r
+setboard br1r2k1/1q4p1/p2ppb1p/2p2p2/2P1n3/Pn2P2P/QPR2PPB/2NRNBK1 b - -\r
+solution Nxc1\r
+id "ECM.036"\r
+go\r
+setboard 2k4r/ppp1n1p1/2n2qb1/2N5/Q1P3p1/P2r3P/1P3PB1/R1B2RK1 w - -\r
+solution Qb5\r
+id "ECM.037"\r
+go\r
+setboard 8/6bk/1B1R4/6p1/2bNP3/4KP2/1r6/8 b - -\r
+solution Be5\r
+id "ECM.038"\r
+go\r
+setboard r1b1rnk1/1p3pb1/1qpp2p1/2n5/2PNP2p/1PN3PP/3R1PBK/BR1Q4 b - -\r
+solution Rxa1\r
+id "ECM.039"\r
+go\r
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -\r
+solution Nxc6\r
+id "ECM.040"\r
+go\r
+setboard 5rk1/1b3ppp/p3p3/1p1q2N1/4n3/6P1/PP2PPBP/2Q2RK1 b - -\r
+solution Nxg3\r
+id "ECM.041"\r
+go\r
+setboard 2kr3r/pppq2p1/1bn1R3/6N1/1P6/1QN1B1p1/P4PP1/R5K1 b - -\r
+solution gxf2+\r
+id "ECM.042"\r
+go\r
+setboard 2rr4/5pk1/p1q3p1/3bpP1p/1p4nR/1N4Q1/PPP3PP/3NR2K b - -\r
+solution Bxg2+\r
+id "ECM.043"\r
+go\r
+setboard r4rk1/pp4pp/2nqb3/3p4/8/2NB4/PP1Q1PPP/4RRK1 w - -\r
+solution Bxh7+\r
+id "ECM.044"\r
+go\r
+setboard 3rk1r1/3b1p1p/p2BpQ2/8/2q5/2P5/PP3PPP/3R2K1 b - -\r
+solution Rxg2+\r
+id "ECM.045"\r
+go\r
+setboard 3r1rk1/4pp1p/p1Q1b1p1/3N4/3b4/5B2/Pq3PPP/R4RK1 b - -\r
+solution Bxd5\r
+id "ECM.046"\r
+go\r
+setboard 5bk1/1bqn1r1p/p3Q1p1/4p3/1PN1Pp2/P1N4P/5PP1/R1BR2K1 w - -\r
+solution Qxf7+\r
+id "ECM.047"\r
+go\r
+setboard 3rkb1r/1p3p2/p1n1p3/q5pp/2PpP3/1P4P1/P1Q1BPKP/R2N3R b k -\r
+solution d3\r
+id "ECM.048"\r
+go\r
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -\r
+solution Qxf7+\r
+id "ECM.049"\r
+go\r
+setboard 2kr1b1R/1b3pp1/p2pp3/1pq3P1/2nQPP2/P1N5/1PP1BB2/1K6 w - -\r
+solution Rxf8\r
+id "ECM.050"\r
+go\r
+setboard 1k1r1b1r/p1p1q3/2p1p3/4Ppp1/4nP2/P2BQ3/1PP3PB/2KR3R b - -\r
+solution Rxh2\r
+id "ECM.051"\r
+go\r
+setboard r3nb1Q/p1q2kr1/2p3p1/2ppnpP1/1P3N2/4P3/PB1P4/1R2KB1R w K -\r
+solution Qxf8+\r
+id "ECM.052"\r
+go\r
+setboard r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - -\r
+solution Nfxe4\r
+id "ECM.053"\r
+go\r
+setboard 1rb1qn2/1p2nrbk/p2p2p1/P2Pp1Pp/NP2P2P/2RNB3/2QKB3/1R6 w - -\r
+solution Ba7\r
+id "ECM.054"\r
+go\r
+setboard 5r2/1b2k2p/3bp3/5PP1/Bn1Q3P/1N6/1Pr5/1K3R2 b - -\r
+solution Rxb2+\r
+id "ECM.055"\r
+go\r
+setboard r1b1r1k1/pp4bp/5np1/2qPB3/8/6NP/PPP1Q1B1/R4R1K w - -\r
+solution Rxf6\r
+id "ECM.056"\r
+go\r
+setboard r1b2r1k/1pq3bp/8/3Qp2n/1P1n1pp1/2NP2P1/3BPPBP/1R2NRK1 b - -\r
+solution Qxc3\r
+id "ECM.057"\r
+go\r
+setboard 4qk2/pp3pp1/1nbr3p/2p5/5N2/2P1Q3/PPB2PPP/2K1R3 w - -\r
+solution Ng6+\r
+id "ECM.058"\r
+go\r
+setboard 3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - -\r
+solution Rd5\r
+id "ECM.059"\r
+go\r
+setboard r4rk1/pp1b2pp/3bpq2/3p1p2/2PPn3/PP1B4/1BQN1PPP/R4RK1 b - -\r
+solution Bxh2+\r
+id "ECM.060"\r
+go\r
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.061"\r
+go\r
+setboard 2rq1r2/pp3pnk/2n1b1pp/3pQ3/3P1N2/P1N5/1P3PPP/1BR2RK1 w - -\r
+solution Bxg6+\r
+id "ECM.062"\r
+go\r
+setboard 4nk2/r1r1bppp/pN2p3/2np4/8/BPN3PP/P3PPK1/2RR4 w - -\r
+solution Ncxd5\r
+id "ECM.063"\r
+go\r
+setboard r4r1k/2pqn1b1/p1bp2pp/1p2pn2/4N3/2PP1PPQ/PPB4P/R1B1RNK1 b - -\r
+solution Nd4\r
+id "ECM.064"\r
+go\r
+setboard r1bQ1nk1/bp3ppp/p7/3B4/1P6/P3P1P1/2P4P/q1B2RK1 b - -\r
+solution Bxe3+\r
+id "ECM.065"\r
+go\r
+setboard 3r1rk1/1b2bppp/2q1pn2/pp4Q1/3B1P2/PBN5/1PP3PP/R2R3K b - -\r
+solution Rxd4\r
+id "ECM.066"\r
+go\r
+setboard 2nq2k1/2r3pp/p1p1rp2/PpQ1N3/1P1PR3/8/5PPP/2R3K1 w - -\r
+solution Nf7\r
+id "ECM.067"\r
+go\r
+setboard r1b2rk1/1p2bppp/p3pn2/4B3/1qBR4/2N5/P3QPPP/R5K1 w - -\r
+solution Bd3\r
+id "ECM.068"\r
+go\r
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -\r
+solution g6\r
+id "ECM.069"\r
+go\r
+setboard 5r1k/p6p/1p1p1qp1/2pQpr2/8/2PP2P1/PP2RPKP/5R2 b - -\r
+solution e4\r
+id "ECM.070"\r
+go\r
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -\r
+solution Qh6\r
+id "ECM.071"\r
+go\r
+setboard 2r2rk1/5pbp/p5p1/3P2q1/1QbN4/5P2/P4BPP/2RR2K1 b - -\r
+solution Bf1\r
+id "ECM.072"\r
+go\r
+setboard r1bqnrk1/pp2ppb1/1np3pp/4P1N1/5P2/2NBB3/PPP3PP/R2Q1RK1 w - -\r
+solution Nh7\r
+id "ECM.073"\r
+go\r
+setboard 3nk3/3q1p2/1B3pr1/4p3/bP2P2p/r2B4/2Q2RPP/3R2K1 w - -\r
+solution Bb5\r
+id "ECM.074"\r
+go\r
+setboard 3rnr1k/pp3ppp/4b3/2p1qNP1/P2pPR2/1P1P2Q1/2P3BP/5RK1 w - -\r
+solution Nh6\r
+id "ECM.075"\r
+go\r
+setboard r1b2kr1/1p1p1pNp/p1n1p1p1/5P2/3QP3/2N5/PqP1B1PP/R4RK1 w - -\r
+solution fxg6\r
+id "ECM.076"\r
+go\r
+setboard 5rk1/3r1p1p/3b2pQ/8/4q3/4B2P/3R1PP1/4R1K1 w - -\r
+solution Rxd6\r
+id "ECM.077"\r
+go\r
+setboard 4rrk1/1bp2ppp/p1q2b1B/1pn2B2/4N1Q1/2P4P/PP3PP1/3RR1K1 w - -\r
+solution Nxc5\r
+id "ECM.078"\r
+go\r
+setboard 2rnrbnk/3q1ppp/p1p5/3p1P2/1p1PPN2/4BQ1R/PP1N2PP/3R2K1 w - -\r
+solution Ng6+\r
+id "ECM.079"\r
+go\r
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -\r
+solution Rd4\r
+id "ECM.080"\r
+go\r
+setboard Q7/p1r1ppk1/1qP4p/2Rb2p1/8/3N2P1/4PP1P/6K1 b - -\r
+solution Qb1+\r
+id "ECM.081"\r
+go\r
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -\r
+solution exf6\r
+id "ECM.082"\r
+go\r
+setboard r2qr1k1/pp3pbp/3p1np1/2pP1bB1/2P1N3/3Q1PN1/PP4PP/R4RK1 b - -\r
+solution Nxe4\r
+id "ECM.083"\r
+go\r
+setboard 4r1k1/1b4pp/p7/1prP3q/2P1B3/5P2/P3Q2P/3RR2K w - -\r
+solution Bg6\r
+id "ECM.084"\r
+go\r
+setboard r1br2k1/ppb1qpp1/2P4p/2n1p3/4B3/P1N2N2/1P3PPP/2RQ1RK1 w - -\r
+solution Nd5\r
+id "ECM.085"\r
+go\r
+setboard 2r3k1/1nqbrp2/p5pp/1p1Pp1N1/8/1P5P/P1B2PP1/2RQR1K1 w - -\r
+solution Nxf7\r
+id "ECM.086"\r
+go\r
+setboard 2r1rbk1/1b3ppp/pp6/2q1pNP1/Pn1RP3/2N5/1PP2QBP/5R1K w - -\r
+solution Nh6+\r
+id "ECM.087"\r
+go\r
+setboard r1b1rk2/3n1pbQ/2qp2p1/p2N2P1/2Bp3N/4P3/PP3PP1/2KR3R w - -\r
+solution Nxg6+\r
+id "ECM.088"\r
+go\r
+setboard r1r2qkb/4pp1p/pBbp3P/3Nn1P1/4Q3/1B6/PPP5/1K1R2R1 w - -\r
+solution g6\r
+id "ECM.089"\r
+go\r
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -\r
+solution Re7\r
+id "ECM.090"\r
+go\r
+setboard rn1q1r2/4bpk1/p3p3/1pN1N1np/2pP4/4PpBb/PPQ4P/1B1RK1R1 w - -\r
+solution Nc6\r
+id "ECM.091"\r
+go\r
+setboard 5rk1/6pp/8/2Q4q/N2pP3/4b1Pb/4PP1K/1R3R2 b - -\r
+solution Bxf1+\r
+id "ECM.092"\r
+go\r
+setboard 2r4k/pp2Q1pp/5r2/P2P4/3Pb1P1/4Ppq1/1P1R3N/3R3K b - -\r
+solution Qe1+\r
+id "ECM.093"\r
+go\r
+setboard 1r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K w - -\r
+solution Qxh7+\r
+id "ECM.094"\r
+go\r
+setboard r1b4k/p2n1Bpp/1p1Q1n2/5p2/3P4/P3BqP1/1P3P1P/R4RK1 b - -\r
+solution Bb7\r
+id "ECM.095"\r
+go\r
+setboard rn1r2k1/p4ppp/2p3b1/3PQ3/1B2Np1q/1B3P2/P1P3PP/4R1K1 w - -\r
+solution Nf6+ \r
+solution Qe8+\r
+id "ECM.096"\r
+go\r
+setboard 4r2k/5R1p/pp1Bq1pN/2p1P3/1n1b3Q/3P4/1P4KP/8 w - -\r
+solution Rxh7+\r
+id "ECM.097"\r
+go\r
+setboard r2nk1r1/pb3q1p/4p3/3p2pQ/8/BP6/P4PPP/2R1R1K1 w q -\r
+solution Rc7\r
+id "ECM.098"\r
+go\r
+setboard 6k1/1pqb1p2/5bpB/r2n4/4N1P1/1P3P2/1P1Q4/1K5R w - -\r
+solution Qxd5\r
+id "ECM.099"\r
+go\r
+setboard rr4k1/2p1ppb1/3pbnpp/q1pP4/4P3/1PNNBP1P/P1KR2P1/2Q4R b - -\r
+solution Qxc3+\r
+id "ECM.100"\r
+go\r
+setboard 1r3rk1/3Q2pp/p3p3/6B1/3np3/6R1/PqP1B2P/3K2R1 w - -\r
+solution Qxg7+\r
+id "ECM.101"\r
+go\r
+setboard 2r5/p4Q2/k1bBp3/4P3/p1nq4/5B2/2Pr2P1/1R1RK3 w - -\r
+solution Qb7+\r
+id "ECM.102"\r
+go\r
+setboard 5rk1/p1pb2pp/2p5/3p3q/2P3n1/1Q4BN/PP1Np1KP/R3R3 b - -\r
+solution Qxh3+\r
+id "ECM.103"\r
+go\r
+setboard 2r1nk2/4qpbQ/4b3/1p2RpP1/4P3/p7/PBP5/1K5R w - -\r
+solution Qxg7+\r
+id "ECM.104"\r
+go\r
+setboard 2kr4/1bpr3p/4R3/1pQ5/8/6B1/3q2PP/2R4K w - -\r
+solution Qxc7+\r
+id "ECM.105"\r
+go\r
+setboard r4rk1/1pbb2pp/p1p1p2q/2Pp4/1P1Pn3/P3B2P/2Q1BPP1/R4RNK b - -\r
+solution Qxe3\r
+id "ECM.106"\r
+go\r
+setboard r1k4r/ppp1b3/5Npp/4pb1Q/8/1B2B3/PqP2PPP/2RR2K1 w - -\r
+solution Qxf5+\r
+id "ECM.107"\r
+go\r
+setboard 6r1/p4rkp/3RQ1n1/1pp1p1B1/2p1P3/2P3R1/P4qPK/8 w - -\r
+solution Qxe5+\r
+id "ECM.108"\r
+go\r
+setboard 2kr1r2/1pp3pp/1n2p1b1/pN2B3/P1q5/1Q1p3P/5PP1/R4R1K w - -\r
+solution Rac1\r
+id "ECM.109"\r
+go\r
+setboard 2kr1bnr/1ppq4/p3bp2/6pp/4p3/2N2NBP/PP3PP1/2RQ1RK1 w - -\r
+solution Na4\r
+id "ECM.110"\r
+go\r
+setboard r2q2rk/p3bp1p/4b1p1/3pP2R/1p1B4/3BQ3/PPP3PP/5R1K w - -\r
+solution Rxf7\r
+id "ECM.111"\r
+go\r
+setboard r1b1Q3/6pk/p6p/1pq1n3/4N3/8/PPP3PP/R6K b - -\r
+solution Qc6\r
+id "ECM.112"\r
+go\r
+setboard q6r/pp3pkp/5np1/4Q3/4P3/6N1/P4PPP/5RK1 w - -\r
+solution Nh5+\r
+id "ECM.113"\r
+go\r
+setboard r1b1rk2/pp3ppQ/1np5/4q3/2B4N/4P3/PP3PP1/2R2K1R w - -\r
+solution Qg8+\r
+id "ECM.114"\r
+go\r
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -\r
+solution Nxh7\r
+id "ECM.115"\r
+go\r
+setboard r3r1k1/p2N1pp1/1pn1p3/q1n5/2PQ4/P3B3/4PPKP/R5R1 w - -\r
+solution Nf6+\r
+id "ECM.116"\r
+go\r
+setboard 4qbk1/1R5n/p2pr1p1/2pQpNPp/P1P1P3/2P2P2/3B4/5K2 w - -\r
+solution Ne7+\r
+id "ECM.117"\r
+go\r
+setboard 3qr1k1/1p1bppbp/p2p2p1/2rPn3/P2N4/4BP2/1PPQ2PP/R2R1BK1 w - -\r
+solution Ne6\r
+id "ECM.118"\r
+go\r
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.119"\r
+go\r
+setboard 8/R5p1/6k1/pr2p1b1/4K3/7P/5P2/6R1 w - -\r
+solution h4\r
+id "ECM.120"\r
+go\r
+setboard 5rk1/1b1r1p2/p1q1pQp1/1p2P2p/8/1BP1NR2/PP1n2PP/5R1K w - -\r
+solution Bxe6\r
+id "ECM.121"\r
+go\r
+setboard 6k1/p1p2r2/1p1p1P1Q/3P4/2P5/5qr1/PP4RP/6RK w - -\r
+solution Qh3\r
+id "ECM.122"\r
+go\r
+setboard 2b1rr1k/1p5p/1Ppp2q1/p3bN2/2P1n3/5R2/PBQ3BP/3R2K1 w - -\r
+solution Nxd6\r
+id "ECM.123"\r
+go\r
+setboard 3b2rk/7p/p7/2pbqNrn/Pp1p1R2/1P1Q2P1/1BPN1R1P/6K1 w - -\r
+solution Rxd4\r
+id "ECM.124"\r
+go\r
+setboard 1rbr2k1/1pq1bp1p/p1pNn1p1/2n1p3/2B1P2P/1NQ1BP2/PP4P1/1K1R3R w - -\r
+solution Nxf7\r
+id "ECM.125"\r
+go\r
+setboard r4rk1/1pp1b1pp/p1q5/3pPp2/3Pn3/P3N3/1P3PPP/R1BQR1K1 w - -\r
+solution Qb3\r
+id "ECM.126"\r
+go\r
+setboard rbbq1rk1/p3nppp/1p2p3/8/1B1pN3/P2B4/1P3PPP/2RQ1RK1 w - -\r
+solution Nf6+\r
+id "ECM.127"\r
+go\r
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -\r
+solution Nxh5\r
+id "ECM.128"\r
+go\r
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -\r
+solution Re6\r
+id "ECM.129"\r
+go\r
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -\r
+solution Rxe7\r
+id "ECM.130"\r
+go\r
+setboard 2rq1rk1/pp2bppp/1npp1n2/3PpN1b/2P5/2N3PP/PP2PPB1/R1BQ1RK1 w - -\r
+solution c5\r
+id "ECM.131"\r
+go\r
+setboard rnbq1rk1/pp2b1pp/5n2/2pPp3/2P1N3/3B1N2/PP4PP/R1BQK2R w KQ -\r
+solution d6\r
+id "ECM.132"\r
+go\r
+setboard 2n1rbk1/5pp1/7p/qP1pp3/4b1Q1/1B5P/1P1N1PP1/2B1R1K1 w - -\r
+solution Rxe4\r
+id "ECM.133"\r
+go\r
+setboard 4k3/2R2p2/5p1p/8/rb6/1N6/5PPP/5K2 w - -\r
+solution Rc4\r
+id "ECM.134"\r
+go\r
+setboard 2k3r1/pp2rp2/1np5/2Np1p2/P2P3p/1R2P1Pq/2Q2P1P/1R4K1 w - -\r
+solution Nxb7\r
+id "ECM.135"\r
+go\r
+setboard 2r1k3/p3nrR1/1p1p4/2p1p1p1/2P1B3/2PP1P2/P5K1/7R w - -\r
+solution Rh8+\r
+id "ECM.136"\r
+go\r
+setboard 8/1Qp3pk/7p/5p2/5Pqn/1P1r4/P5PP/2B2RK1 b - -\r
+solution c6\r
+id "ECM.137"\r
+go\r
+setboard 2rr1bk1/5p1p/pPN2np1/3Bp3/2Q1n3/1P2B1Pq/P3PP2/R2R2K1 b - -\r
+solution Rxd5\r
+id "ECM.138"\r
+go\r
+setboard 3r2k1/1p4pp/p1q1p3/3p1B2/bP1B2P1/P4Q2/5PKP/2b2R2 w - -\r
+solution Rxc1\r
+id "ECM.139"\r
+go\r
+setboard rnb1r1k1/pp5p/2pp2p1/4b3/2P1P2q/1NN1BPp1/PP1QB1P1/3RR1K1 b - -\r
+solution Bf4\r
+id "ECM.140"\r
+go\r
+setboard 5n1r/1p2kp2/rB1Nb3/4p1Pp/4p2P/1PP5/8/1K1R1R2 w - -\r
+solution Rxf7+\r
+id "ECM.141"\r
+go\r
+setboard b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - -\r
+solution d3+\r
+id "ECM.142"\r
+go\r
+setboard 4r1k1/3R1ppp/p2p4/5PP1/2q2P2/2n2B2/P1P3QP/1r3R1K w - -\r
+solution Rxb1\r
+id "ECM.143"\r
+go\r
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -\r
+solution Bd5+\r
+id "ECM.144"\r
+go\r
+setboard 6k1/4ppbp/p5p1/1B1Q4/2P2Pn1/8/qr4PP/2B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.145"\r
+go\r
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -\r
+solution Ba3\r
+id "ECM.146"\r
+go\r
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -\r
+solution g6\r
+id "ECM.147"\r
+go\r
+setboard 5r2/1b3pk1/pqrpp1p1/4n1Nn/1p2PP1P/8/PPPQB3/1NKR2R1 b - -\r
+solution Rfc8\r
+id "ECM.148"\r
+go\r
+setboard 1r2k2r/p5bp/4p1p1/q2pn3/1p2N1P1/6QP/PPP5/1KBR3R w k -\r
+solution Bh6\r
+id "ECM.149"\r
+go\r
+setboard rn1q1rk1/pp3p1p/2p5/3p4/5Q1P/2NP3R/PPP3P1/4RK2 w - -\r
+solution Rg3+\r
+id "ECM.150"\r
+go\r
+setboard 7r/kppQP1pp/p7/2qp1R2/4n3/1P2b2P/P1P3PK/R7 b - -\r
+solution Re8\r
+id "ECM.151"\r
+go\r
+setboard r1b1kb1Q/qp2pp2/p3n1p1/2nN2Pp/2B4P/7N/PPP5/2KRR3 w q -\r
+solution Nc7+\r
+id "ECM.152"\r
+go\r
+setboard 8/1bq3kp/p5p1/1pb1p3/4P2P/2PQ2P1/1P5B/5N1K b - -\r
+solution Qd8\r
+id "ECM.153"\r
+go\r
+setboard 2r1q1r1/6bk/p2pN1pp/1p1N4/4P3/3R3Q/PnP4P/1K4R1 w - -\r
+solution Nf6+\r
+id "ECM.154"\r
+go\r
+setboard 4r3/Q2bppkp/3p2p1/3Nn3/4P3/6PP/1qr2PB1/R3R1K1 b - -\r
+solution Ra8\r
+id "ECM.155"\r
+go\r
+setboard 6k1/p1q2pp1/2n2b2/3B2Pp/2P2P2/5N1P/Pr1Q2K1/4R3 w - -\r
+solution Re8+\r
+id "ECM.156"\r
+go\r
+setboard r1r3k1/p4n2/3p4/5NpR/8/2q2P2/P1PQ4/2K4R w - -\r
+solution Rh8+\r
+id "ECM.157"\r
+go\r
+setboard 8/p5Q1/2ppq2p/3n1ppk/3B4/2P2P1P/P5P1/6K1 w - -\r
+solution g4+\r
+id "ECM.158"\r
+go\r
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -\r
+solution Nd6\r
+id "ECM.159"\r
+go\r
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -\r
+solution Ba4\r
+id "ECM.160"\r
+go\r
+setboard r1bq3k/ppp2Qp1/2n1p2p/6N1/2BPN3/2P1n3/PP4PP/R5K1 w - -\r
+solution Nf6\r
+id "ECM.161"\r
+go\r
+setboard 3R4/1p2kp2/p1b1nN2/6p1/8/6BP/2r1qPPK/Q7 w - -\r
+solution Rd7+\r
+id "ECM.162"\r
+go\r
+setboard 6k1/p5p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - -\r
+solution Rh8+\r
+id "ECM.163"\r
+go\r
+setboard 8/5P2/4K1kP/4R3/8/8/8/5r2 w - -\r
+solution Rg5+\r
+id "ECM.164"\r
+go\r
+setboard 3r1rk1/p1p1qp1p/2p1b1p1/8/P2PRP2/2P1NQ2/6PP/R5K1 w - -\r
+solution f5\r
+id "ECM.165"\r
+go\r
+setboard 6k1/pr3ppp/1p3qn1/5NQ1/2p5/8/P4PPP/4R1K1 w - -\r
+solution Re8+\r
+id "ECM.166"\r
+go\r
+setboard Q7/1pq2kpp/4bp2/3r4/2B5/P3P3/1r3PPP/2R1K2R b K -\r
+solution Rd1+\r
+id "ECM.167"\r
+go\r
+setboard 4r1k1/p4ppp/4q2r/1Q6/4p3/4P1P1/P4P1P/2RR2K1 w - -\r
+solution Rd6\r
+id "ECM.168"\r
+go\r
+setboard 8/5p1k/4p1p1/3p2K1/3P1Q1P/P4P2/7q/8 b - -\r
+solution f6+\r
+id "ECM.169"\r
+go\r
+setboard r4r2/6k1/3p4/2pPp2p/4Pqp1/3P1P2/1R2Q1KP/5R2 b - -\r
+solution Ra1\r
+id "ECM.170"\r
+go\r
+setboard 4r1k1/1np1r1pp/1ppp1q2/6N1/1P3P2/4RQP1/7P/4R1K1 w - -\r
+solution Qh5\r
+id "ECM.171"\r
+go\r
+setboard r4rk1/pp3p1p/3pq1p1/2nNp3/3R1P2/7Q/PP4PP/5RK1 w - -\r
+solution f5\r
+id "ECM.172"\r
+go\r
+setboard 3qn2k/1p3Bp1/rbn4p/2p5/p1P2p2/P2b2PP/1BQNRP2/1R4K1 w - -\r
+solution Qxd3\r
+id "ECM.173"\r
+go\r
+setboard 3r1rk1/1pp4p/1q3bp1/p3p3/P2n1P2/2BB3P/1PP2QP1/R4RK1 b - -\r
+solution Bh4\r
+id "ECM.174"\r
+go\r
+setboard 4rrk1/2p2ppp/p2b4/1p1P4/3P2nq/2P4P/PPQ1RPP1/RNB3K1 b - -\r
+solution Qxf2+\r
+id "ECM.175"\r
+go\r
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.176"\r
+go\r
+setboard r3kb1r/2q2p2/3p4/ppp1n1B1/P6P/1B3pQ1/1PP3b1/2KRR3 w kq -\r
+solution Bd5\r
+id "ECM.177"\r
+go\r
+setboard r1b2rk1/1p4pp/p1n3q1/4ppN1/7Q/2P1B3/P1P2PPP/R2R2K1 w - -\r
+solution Rd6\r
+id "ECM.178"\r
+go\r
+setboard 1rb2r2/1pR1N2p/p2R2pk/5p2/4pP2/1P1nP3/P4P1P/5BK1 w - -\r
+solution Rf6\r
+id "ECM.179"\r
+go\r
+setboard r1b3k1/ppp2r2/6p1/3n3p/6qP/3BQ3/PBP5/2KR3R w - -\r
+solution Bd4\r
+id "ECM.180"\r
+go\r
+setboard 3r2k1/p2q1r1p/1p1N2p1/1PpP4/3b1Bn1/1Q4Pb/1P2RP1P/R5KB b - -\r
+solution Qxd6\r
+id "ECM.181"\r
+go\r
+setboard 4r1k1/1pbb3p/2pp2q1/p1n5/2P2R2/1PN1n1P1/PB2Q1B1/5RK1 w - -\r
+solution Qxe3\r
+id "ECM.182"\r
+go\r
+setboard 3r2k1/p2r1p1p/1pR1p1qP/3P1pP1/3R4/1P2Q3/P4K2/8 w - -\r
+solution dxe6\r
+id "ECM.183"\r
+go\r
+setboard 3r3k/p1Q3bp/2p3p1/8/2P1BRn1/1P4Pb/P1N1q2P/6BK b - -\r
+solution Nf2+\r
+id "ECM.184"\r
+go\r
+setboard r4k2/p1pr1ppp/2q5/3PR2P/3Q4/8/6P1/5RK1 w - -\r
+solution Re7\r
+id "ECM.185"\r
+go\r
+setboard 1R3b2/3r3k/2p1bp1p/r1q1pNpQ/2PpP2P/6B1/P4PP1/1R4K1 w - -\r
+solution Nxh6\r
+id "ECM.186"\r
+go\r
+setboard r1b4r/pp2ppk1/2np1np1/3N3p/2B1P3/q3BP2/P1PQ2PP/1R3RK1 w - -\r
+solution Nxe7\r
+id "ECM.187"\r
+go\r
+setboard r3k2r/pb1n1pbp/4p1p1/q1n1P3/Bp1N1N2/4B3/PP3PPP/R2Q1RK1 w kq -\r
+solution Ndxe6\r
+id "ECM.188"\r
+go\r
+setboard 5rk1/Q2nqppp/5n2/2p5/8/1B2PP1P/Pr1B1P2/R3K2R b KQ -\r
+solution Ne4\r
+id "ECM.189"\r
+go\r
+setboard 5rk1/5pbp/b5p1/p1nNN3/1p2n3/1P4PP/P4PB1/2BR2K1 w - -\r
+solution Nd7\r
+id "ECM.190"\r
+go\r
+setboard 2k1r1r1/ppb2p2/6b1/2qP4/2P2P2/4pP1p/P3Q2P/2RBRN1K b - -\r
+solution Bd3\r
+id "ECM.191"\r
+go\r
+setboard 5r1k/pp1n1p1p/1b1qpP2/8/1PrN4/P1N1Q1P1/7P/3R1R1K w - -\r
+solution Qh6\r
+id "ECM.192"\r
+go\r
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -\r
+solution Nb6\r
+id "ECM.193"\r
+go\r
+setboard 1r3rk1/p4pbp/q1p2pp1/3p1b2/1n1P1P1B/PB3N2/1PPQR1PP/2KR4 b - -\r
+solution Bxc2\r
+id "ECM.194"\r
+go\r
+setboard 1rbr2k1/4qp2/p1n2bpp/1pp1p1N1/4P3/2P1BQ1P/PPB2PP1/3RR1K1 w - -\r
+solution Bxc5\r
+id "ECM.195"\r
+go\r
+setboard 2r2rk1/1p1q1ppp/1p3n2/3p1N2/4n3/1N3Q2/PPP2PPP/R2R2K1 w - -\r
+solution Rxd5\r
+id "ECM.196"\r
+go\r
+setboard rn3rk1/pp2ppbp/6p1/2R3N1/2B3b1/q3B3/P1P1Q1PP/5RK1 w - -\r
+solution Rxf7\r
+id "ECM.197"\r
+go\r
+setboard r1k3r1/pppnb1p1/4N3/3QP2p/3P3q/4B3/PPP2P2/R3KB2 w Q -\r
+solution Ba6\r
+id "ECM.198"\r
+go\r
+setboard r1nqr2k/1p1b1Q1p/p5p1/P1pPb3/5B2/2N5/BP4PP/R4RK1 w - -\r
+solution Qf8+\r
+id "ECM.199"\r
+go\r
+setboard 8/k3r1b1/Pp2rpp1/1qpQ4/4nB2/2P2NP1/7P/R4RK1 w - -\r
+solution Bb8+\r
+id "ECM.200"\r
+go\r
+setboard 1k1r4/ppq2p2/8/2pPb1r1/2P1Q1B1/6P1/PP3PK1/R4R2 b - -\r
+solution f5\r
+id "ECM.201"\r
+go\r
+setboard r1b2nk1/2qn1p1p/1ppR2p1/8/1PP1NP2/4r1PP/1Q2N1B1/3R2K1 w - -\r
+solution b5\r
+id "ECM.202"\r
+go\r
+setboard 8/5pk1/3q2p1/8/7P/5Q1K/6B1/6b1 b - -\r
+solution Qh2+\r
+id "ECM.203"\r
+go\r
+setboard 6r1/ppp4k/3p2rp/3Pb3/PPP1Np1q/5P1b/3QRRBP/6K1 b - -\r
+solution Bd4\r
+id "ECM.204"\r
+go\r
+setboard 4br1k/pR4bp/2r1B1pN/4npB1/3p4/P7/5PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.205"\r
+go\r
+setboard r1bq1rk1/pppn2bp/3p2p1/3N1p2/8/BP1BRQ1P/P1PP1PP1/4R1K1 w - -\r
+solution Nxc7\r
+id "ECM.206"\r
+go\r
+setboard r6r/1p2kp2/3p1b2/pPpPpQ1P/1nP1P2P/6R1/1P2K3/1B6 w - -\r
+solution Rg6\r
+id "ECM.207"\r
+go\r
+setboard 2q1r1k1/1b3pbp/3p2p1/1Ppn3n/5P2/5B2/1P1B2PP/R2NNQ1K b - -\r
+solution Ndxf4\r
+id "ECM.208"\r
+go\r
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -\r
+solution Rb3\r
+id "ECM.209"\r
+go\r
+setboard r2qr1n1/p4pk1/1p1p2p1/4p3/4PQ2/1PN2P2/1PP3P1/2KR3R w - -\r
+solution Rh7+\r
+id "ECM.210"\r
+go\r
+setboard r4rk1/ppp3b1/3p1qp1/3Pp3/2P1Bn2/4BP2/PP1Q4/2K3RR w - -\r
+solution Rxg6\r
+id "ECM.211"\r
+go\r
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -\r
+solution Bf4\r
+id "ECM.212"\r
+go\r
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -\r
+solution Re7\r
+id "ECM.213"\r
+go\r
+setboard 1q3rk1/r5b1/pNp1bn1p/2Pp1n2/1P2p3/1N2P2P/PBQKB3/3R3R b - -\r
+solution Nxe3\r
+id "ECM.214"\r
+go\r
+setboard r4n1r/ppq1nk2/1bpRpN2/4PpQ1/8/2B4P/PPP2PP1/2KR4 w - -\r
+solution Rd7\r
+id "ECM.215"\r
+go\r
+setboard 3r2k1/p5pp/bpP1p3/3n1p2/2NQpP1q/P3P3/1B1R1R2/4KBr1 b - -\r
+solution Rxf1+\r
+id "ECM.216"\r
+go\r
+setboard 1rq1r2k/5Rbp/p2p1p1B/2p1p3/2P1P2Q/1P6/P5PP/3b3K w - -\r
+solution Bxg7+\r
+id "ECM.217"\r
+go\r
+setboard 5Q2/5p1p/3p2p1/4p1k1/4P1P1/3R1P1K/r6P/4q3 w - -\r
+solution f4+\r
+id "ECM.218"\r
+go\r
+setboard 2b2r1k/ppq3pp/3b3r/n3NpN1/Q2PpP1B/2P1R3/PP5P/4R1K1 w - -\r
+solution Ngf7+\r
+id "ECM.219"\r
+go\r
+setboard 2r1r1k1/1R4bp/p5p1/2pqn3/8/2B5/1PQ1B1PP/5RK1 w - -\r
+solution Bc4\r
+id "ECM.220"\r
+go\r
+setboard 7k/pp1q2pp/3Nr1n1/3B2Q1/2pP4/B3P1Pb/P6P/6K1 w - -\r
+solution Qd8+\r
+id "ECM.221"\r
+go\r
+setboard r5k1/5p1p/bq1p2p1/r2Pp3/1p2N1P1/1P3P2/1KPQ3P/3R3R b - -\r
+solution Ra2+\r
+id "ECM.222"\r
+go\r
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -\r
+solution Bg7\r
+id "ECM.223"\r
+go\r
+setboard 5nk1/2b1q1p1/2p5/3pP1pQ/1r1P2P1/3B1R2/5PP1/6K1 w - -\r
+solution Rxf8+\r
+id "ECM.224"\r
+go\r
+setboard 1k1r3r/1pp2p2/p2b4/4n1p1/N3q1P1/1B2B3/PP3RP1/4RQK1 b - -\r
+solution Rh1+\r
+id "ECM.225"\r
+go\r
+setboard rnb1kr2/p4pQ1/8/1ppPpP2/2p1P3/N6P/Pq4B1/3R1RK1 w q -\r
+solution Nxb5\r
+id "ECM.226"\r
+go\r
+setboard 5r1k/2p3pp/3pQ3/3P1rN1/pp5q/5PR1/P4PKP/B7 w - -\r
+solution Bxg7+\r
+id "ECM.227"\r
+go\r
+setboard 8/pR3Bk1/3p2p1/5b1p/2P4P/6P1/P4bQK/4q3 b - -\r
+solution Bg1+\r
+id "ECM.228"\r
+go\r
+setboard r1b1Rnk1/6pp/p4q2/1pp2P2/3r4/2NB4/PP1Q2PP/4R1K1 w - -\r
+solution Nd5\r
+id "ECM.229"\r
+go\r
+setboard 1Q6/pb3pk1/1p3qp1/1N3p1p/2Pr3P/3BR1PK/r7/6R1 b - -\r
+solution Rh2+\r
+id "ECM.230"\r
+go\r
+setboard rq3r1k/p2n1p2/1pbb1np1/2p2BB1/8/2N2N2/PP3QPP/3R1RK1 w - -\r
+solution Rxd6\r
+id "ECM.231"\r
+go\r
+setboard 2kr3r/Qpp1n1p1/2b2pp1/4b3/8/6N1/PPP2P2/R1B2RK1 b - -\r
+solution Rh1+\r
+id "ECM.232"\r
+go\r
+setboard 8/2p2Q1p/1rp5/p3q1kp/P7/2P2RP1/5PK1/8 w - -\r
+solution Rf5+\r
+id "ECM.233"\r
+go\r
+setboard 1r2b3/1p2q1bk/p1p1p1p1/P1PpP2r/1P1KpPQP/4P2N/6R1/4B2R b - -\r
+solution Rxe5\r
+id "ECM.234"\r
+go\r
+setboard 6k1/3b1p1p/6p1/2BPR3/8/4Q2P/1q3rPK/8 w - -\r
+solution Re8+\r
+id "ECM.235"\r
+go\r
+setboard 2R5/4ppkp/6p1/p2P4/4P2P/p3B1P1/qbR2PK1/8 w - -\r
+solution Rg8+\r
+id "ECM.236"\r
+go\r
+setboard 3rr1k1/1b5p/p6p/1p3N2/6Pb/P1Q1p3/1PP4P/R5K1 b - -\r
+solution Bf2+\r
+id "ECM.237"\r
+go\r
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -\r
+solution Qc1\r
+id "ECM.238"\r
+go\r
+setboard 3r1rk1/1pq1nppp/p7/2pB3Q/P4P2/1P2P3/6PP/2RR2K1 w - -\r
+solution Bf3 \r
+solution Rxc5\r
+id "ECM.239"\r
+go\r
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -\r
+solution Rxd6\r
+id "ECM.240"\r
+go\r
+setboard 6k1/1pp2p2/p2p2q1/2PPb3/4r3/Pr4PK/2R5/2Q2NR1 b - -\r
+solution Rh4+\r
+id "ECM.241"\r
+go\r
+setboard 3r4/1pQ4R/p1b2kp1/P6p/2q5/7P/2P3P1/6K1 b - -\r
+solution Rd1+\r
+id "ECM.242"\r
+go\r
+setboard 6rr/1b3k1p/pbqppPn1/1p5Q/4PN2/P6R/1PP3BP/2B2R1K w - -\r
+solution Qxh7+\r
+id "ECM.243"\r
+go\r
+setboard 4rrk1/3b1ppp/pb6/1pqP4/P1p1PP2/1P2NK2/3QB2P/R2R4 b - -\r
+solution Rxe4\r
+id "ECM.244"\r
+go\r
+setboard 2r1r1k1/1p4bp/p2p1qp1/1n1P4/2P1B2P/1N1Q4/PP2R3/1K5R b - -\r
+solution Rxc4\r
+id "ECM.245"\r
+go\r
+setboard 6rr/ppqb1pkp/2pb1pn1/3p3Q/3P1P1N/3B1RN1/PPP3PP/5RK1 w - -\r
+solution Qh6+\r
+id "ECM.246"\r
+go\r
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -\r
+solution Bh7+\r
+id "ECM.247"\r
+go\r
+setboard r2q1rk1/1b1nbpp1/p1p1p2p/1pPpN3/3P1N2/P2BP3/1PQ2PPP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.248"\r
+go\r
+setboard 2r2rk1/pb4pp/1p2p3/4Npq1/3P1n2/5P2/PP1R2PP/RB2Q1K1 b - -\r
+solution Rc1\r
+id "ECM.249"\r
+go\r
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -\r
+solution Bxf7+\r
+id "ECM.250"\r
+go\r
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -\r
+solution Bb7\r
+id "ECM.251"\r
+go\r
+setboard r5k1/pp2ppb1/4qn2/r3B1p1/3P4/3QNP1R/PP2K1P1/7R w - -\r
+solution Bxf6\r
+id "ECM.252"\r
+go\r
+setboard 1R2br1k/5r1p/p2p1P2/6RQ/3p1P2/4p2B/q6P/5N1K w - -\r
+solution Rxe8\r
+id "ECM.253"\r
+go\r
+setboard kr1r4/7p/2bqp1p1/p7/1Pp1PP1P/K1B1nNPB/PP5R/RN2Q3 b - -\r
+solution Qxb4+\r
+id "ECM.254"\r
+go\r
+setboard 5r1r/1pkb4/5pB1/2P5/p3R2P/Pq6/1PQ2Pn1/K2R4 w - -\r
+solution Rxd7+\r
+id "ECM.255"\r
+go\r
+setboard kn5r/p2r2p1/1pqBp1np/1Q1pPp2/R2P4/1N6/2P2PPP/R5K1 w - -\r
+solution Rxa7+\r
+id "ECM.256"\r
+go\r
+setboard 4Rnk1/2p2pp1/3r3p/p2P4/P5Q1/1B5P/5PK1/q7 w - -\r
+solution Rxf8+\r
+id "ECM.257"\r
+go\r
+setboard 4r3/2k1p2q/pp1nR1p1/2pP1pP1/2P2P2/1P6/P1K3B1/4Q3 w - -\r
+solution Rxd6\r
+id "ECM.258"\r
+go\r
+setboard 2b3k1/p4ppp/7q/2Q5/8/P3r1P1/1r4BP/R3R1K1 b - -\r
+solution Rxg2+\r
+id "ECM.259"\r
+go\r
+setboard r1b1rbk1/7p/2p1pBp1/p2pP1P1/5P2/1PqB4/P1P1Q3/1K4RR w - -\r
+solution Rxh7\r
+id "ECM.260"\r
+go\r
+setboard 2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - -\r
+solution Bxh6\r
+id "ECM.261"\r
+go\r
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -\r
+solution Rxh8+\r
+id "ECM.262"\r
+go\r
+setboard 3r2k1/p4rPp/1b1q3Q/n1p1pP2/1p6/3B1NR1/P4P1P/6RK w - -\r
+solution Qxh7+\r
+id "ECM.263"\r
+go\r
+setboard r1bqrnk1/p4p2/1p5p/3pB1p1/P2P2n1/1P1B2N1/2Q3PP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.264"\r
+go\r
+setboard r2rn1k1/1bqn1ppp/p7/2bpP1P1/1p1N1Q2/1P3B2/PBP1NR1P/3R2K1 w - -\r
+solution Qxf7+\r
+id "ECM.265"\r
+go\r
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.266"\r
+go\r
+setboard r1b1r1k1/1p1n1p2/p1nBp1p1/q2pP1Np/P7/R2B3Q/2P2PPP/5RK1 w - -\r
+solution Nxf7\r
+id "ECM.267"\r
+go\r
+setboard r1b1k2r/ppp3pp/1qp5/2b1Pp2/3Qn3/5N2/PPPBNPPP/2KR3R w kq -\r
+solution Qd8+\r
+id "ECM.268"\r
+go\r
+setboard 1k6/1p4p1/P1p5/5Q2/2q2r2/P7/8/4R2K w - -\r
+solution Re8+\r
+id "ECM.269"\r
+go\r
+setboard 6k1/1p3p2/4r1p1/1PPrbq1p/2QN4/P2R1P1P/R4KP1/8 b - -\r
+solution Bg3+\r
+id "ECM.270"\r
+go\r
+setboard 4n1q1/1k1b4/2p4R/2Pp4/1p1N1rpQ/3B4/PPP2P2/2K5 w - -\r
+solution Nxc6\r
+id "ECM.271"\r
+go\r
+setboard r2qk2r/1pp2ppp/p3pnn1/6N1/1B1P2P1/1Q2P2P/PP3PK1/R6R b kq -\r
+solution Nh4+\r
+id "ECM.272"\r
+go\r
+setboard 2kr2r1/R2p3p/2n2p2/1R3P2/2P1p3/4BQ2/1Pq4P/4K3 w - -\r
+solution Ra8+\r
+id "ECM.273"\r
+go\r
+setboard r3r1k1/pp3pp1/2bb1q2/3p4/4n1Pp/2P1BB1P/PP2NPK1/R1Q4R b - -\r
+solution Qxf3+\r
+id "ECM.274"\r
+go\r
+setboard r1br4/ppq2pk1/3bpN2/8/2P5/3n2B1/PP2QPPP/R4K1R w - -\r
+solution Qg4+\r
+id "ECM.275"\r
+go\r
+setboard 6kb/B1p2p2/5r2/1r1p2pR/6q1/3P2P1/P1P2PP1/2KR3Q b - -\r
+solution Rb1+\r
+id "ECM.276"\r
+go\r
+setboard rn4k1/pp2p1b1/4b3/q2p2Q1/2B2P2/8/P1P1K1P1/R6R w - -\r
+solution Rh8+\r
+id "ECM.277"\r
+go\r
+setboard 3k2r1/pp1b3Q/1b2pP1p/3pN2q/5B2/7B/PP2nP1K/2R5 b - -\r
+solution Rg2+\r
+id "ECM.278"\r
+go\r
+setboard 2r2rk1/pp3qpp/8/3P1b2/3Q4/P1N1B3/5PKP/R2R4 b - -\r
+solution Rxc3\r
+id "ECM.279"\r
+go\r
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -\r
+solution Nxg7\r
+id "ECM.280"\r
+go\r
+setboard 4k2r/1bqnbppp/p3p3/1p2P1N1/2r2BB1/8/PPP3PP/R2Q1R1K w k -\r
+solution Nxf7\r
+id "ECM.281"\r
+go\r
+setboard 5r1k/1pqb3p/2n5/p1pB4/2Pp1r1P/1P5P/R2N2K1/3Q1R2 b - -\r
+solution Bxh3+\r
+id "ECM.282"\r
+go\r
+setboard r4r2/pp2qk2/4pnp1/3pQ3/2p2P2/3B4/PPP2P2/2KR3R w - -\r
+solution Bxg6+\r
+id "ECM.283"\r
+go\r
+setboard 3bq3/p1n2rk1/1pp1p1p1/3pPnPp/1P1P1N1P/2PN3K/P2BQR2/8 w - -\r
+solution Nxg6\r
+id "ECM.284"\r
+go\r
+setboard b6r/2q2k2/4pPp1/1p1n2Bp/2pPB1PP/2P2Q2/8/4R1K1 w - -\r
+solution Bxg6+\r
+id "ECM.285"\r
+go\r
+setboard r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - -\r
+solution Qh6+\r
+id "ECM.286"\r
+go\r
+setboard 4k3/p4ppp/nb1P4/4p3/1P6/P4BP1/3q1r1P/2R2QKR w - -\r
+solution Qb5+\r
+id "ECM.287"\r
+go\r
+setboard r2q1rk1/pp2pp2/3pb3/3Qb2R/4P1p1/1BN1Bn2/PPP2P2/2K4R w - -\r
+solution Rh8+\r
+id "ECM.288"\r
+go\r
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -\r
+solution Nxg7\r
+id "ECM.289"\r
+go\r
+setboard 1rbk2nr/p1pp2b1/7p/2qP1pp1/2Bn4/2NKBP2/PP2N1PP/R2Q3R b - -\r
+solution Qxc4+\r
+id "ECM.290"\r
+go\r
+setboard 1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - -\r
+solution Rxb2\r
+id "ECM.291"\r
+go\r
+setboard 5rk1/ppp1q2p/1n1p1np1/3P2N1/1P1R2P1/2Q4P/P3r1B1/5RK1 b - -\r
+solution Rxg2+\r
+id "ECM.292"\r
+go\r
+setboard 6k1/pp2p2p/3p2p1/4b1r1/2Pn1r1q/2B1N3/PP4B1/R3QRK1 b - -\r
+solution Qh2+\r
+id "ECM.293"\r
+go\r
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -\r
+solution Qxg6+\r
+id "ECM.294"\r
+go\r
+setboard r2k3r/2pb1ppp/p1p1q3/2Q5/5B2/2N5/PPP2PPP/3R2K1 w - -\r
+solution Bxc7+\r
+id "ECM.295"\r
+go\r
+setboard 2r2r2/2N2pkp/2Q5/1N2p1b1/1p6/3P1qPb/PPR2P1P/4R1K1 b - -\r
+solution e4\r
+id "ECM.296"\r
+go\r
+setboard 2r1qrk1/pp1b1ppp/4pn2/n1b5/8/2NQ1NP1/PP1BPPBP/R2R2K1 w - -\r
+solution b4\r
+id "ECM.297"\r
+go\r
+setboard 2b1qr1k/7p/p1pR2p1/1pP1p1Q1/4P3/1B6/PP4PP/6K1 w - -\r
+solution Re6\r
+id "ECM.298"\r
+go\r
+setboard 1r2k2r/2p2p1b/q1Pppb1N/p2p2P1/Q2P4/P3B3/1P5P/2KRR3 b k -\r
+solution Rb4\r
+id "ECM.299"\r
+go\r
+setboard 8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - -\r
+solution Kxd5\r
+id "ECM.300"\r
+go\r
+setboard 4b1r1/1p3ppk/3r3p/p1p1qP1B/3pPN2/3P3R/nPPQ3P/6RK w - -\r
+solution Ne6\r
+id "ECM.301"\r
+go\r
+setboard 4b2k/7p/3q3P/1p1pRpr1/1P1B4/2P2Q2/7K/8 w - -\r
+solution Qg3\r
+id "ECM.302"\r
+go\r
+setboard 2kr2r1/pbp4p/1p4p1/1NqpNp2/4nQ2/8/PPPR1PPP/2K1R3 w - -\r
+solution Nc6\r
+id "ECM.303"\r
+go\r
+setboard 1rr3k1/1p1bqpbp/1R1p2p1/pN1P4/P3P1n1/1Q6/3NB1PP/2B1R1K1 b - -\r
+solution Rc3\r
+id "ECM.304"\r
+go\r
+setboard r1br4/1p3k2/p2q1p2/3N1Pp1/3Q4/8/PP4P1/4RR1K w - -\r
+solution Re6\r
+id "ECM.305"\r
+go\r
+setboard r3kbnr/p4ppp/2p1p3/8/Q1B3b1/2N1B3/PP3PqP/R3K2R w KQkq -\r
+solution Bd5\r
+id "ECM.306"\r
+go\r
+setboard 3r1rk1/2p1qp1p/pnP3p1/4n3/PP1NpR2/1BQ4P/6P1/5RK1 w - -\r
+solution Ne6\r
+id "ECM.307"\r
+go\r
+setboard r1bq1k2/5pb1/p2p1n2/2pPrP2/2p4B/3B2R1/PP1Q2PP/R5K1 w - -\r
+solution Qg5\r
+id "ECM.308"\r
+go\r
+setboard 2bq1rk1/p4pbp/p2p2p1/3P4/2p1QP2/2Pr3P/PP1N2P1/R1B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.309"\r
+go\r
+setboard r5rk/1p1bqpnp/3p1b1B/pBnPp2P/4P3/2N2Q2/PP3P2/R3KNR1 b Q -\r
+solution Nf5\r
+id "ECM.310"\r
+go\r
+setboard r3rk2/p2q1b1p/1pnP1Qp1/5pN1/2p2P2/P1P5/7P/4RRK1 w - -\r
+solution Re7\r
+id "ECM.311"\r
+go\r
+setboard r3r1k1/p1q2pp1/2p4p/7n/BPPP2N1/3Q1N2/P3n1P1/R1B4K b - -\r
+solution Nhg3+\r
+id "ECM.312"\r
+go\r
+setboard r2qrbk1/1p4pb/2n2p1p/pNpn4/2N5/PP1PPQPB/1B5P/2R2RK1 w - -\r
+solution Nbd6\r
+id "ECM.313"\r
+go\r
+setboard 5r1k/1p1b1p1p/p2ppb2/5P1B/1q6/1Pr3R1/2PQ2PP/5R1K w - -\r
+solution Qh6\r
+id "ECM.314"\r
+go\r
+setboard r1b2rk1/p3bppp/2q5/8/2p1NR2/PnB1P3/1PB1Q1PP/3R2K1 w - -\r
+solution Rd6\r
+id "ECM.315"\r
+go\r
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -\r
+solution R1b4\r
+id "ECM.316"\r
+go\r
+setboard 4r3/pp1b3k/2p2qpp/2Pp4/1P6/PBbP1N1P/2R3P1/3Q3K b - -\r
+solution Re1+\r
+id "ECM.317"\r
+go\r
+setboard 1rb2rk1/p1p2ppp/2q5/3R4/2P1N3/bP4B1/P1Q2P1P/1K5R w - -\r
+solution Bd6\r
+id "ECM.318"\r
+go\r
+setboard 8/5k1p/5PpB/3PR3/2r4P/1p3K2/2b5/8 b - -\r
+solution Re4\r
+id "ECM.319"\r
+go\r
+setboard 4r2k/3b3p/p2p4/2pP1p2/q1B2Q1P/2PK1P2/Pr1R4/7R b - -\r
+solution Re4\r
+id "ECM.320"\r
+go\r
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -\r
+solution Rd5\r
+id "ECM.321"\r
+go\r
+setboard 2R5/2R4p/5p1k/6n1/8/1P2QPPq/r7/6K1 w - -\r
+solution Rxh7+\r
+id "ECM.322"\r
+go\r
+setboard r1b1r1kb/p1qn1pnp/2p1p1p1/4P1N1/2p1NPP1/4B3/PPPQ3P/3RK2R w K -\r
+solution Qxd7\r
+id "ECM.323"\r
+go\r
+setboard 5k1r/ppqnnp2/3b2p1/2pB2Qp/3p3N/1P1P2P1/P1P2P2/2B1R1K1 w - -\r
+solution Rxe7\r
+id "ECM.324"\r
+go\r
+setboard 5rk1/5p1p/8/3pNp2/RPrqn3/1Q5P/1P3PP1/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.325"\r
+go\r
+setboard 2rr2k1/4qppp/bn6/p1bB4/4N3/6P1/PB2PP1P/2RQ1RK1 w - -\r
+solution Rxc5\r
+id "ECM.326"\r
+go\r
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -\r
+solution Rxd7\r
+id "ECM.327"\r
+go\r
+setboard 5rk1/r2nqpp1/p3p3/1p2P3/4N1pP/8/PPP3Q1/1K1R3R w - -\r
+solution Rxd7\r
+id "ECM.328"\r
+go\r
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -\r
+solution Qh6\r
+id "ECM.329"\r
+go\r
+setboard 2r2r1k/1pq1b1p1/p1b1Qn1p/8/3B4/2NB4/PPP3PP/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.330"\r
+go\r
+setboard 3rqb2/1pR3pk/p3n1pp/3p4/3B4/PP6/1P4PP/4RQK1 w - -\r
+solution Rxe6\r
+id "ECM.331"\r
+go\r
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -\r
+solution Rxc8+\r
+id "ECM.332"\r
+go\r
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -\r
+solution Rxe4\r
+id "ECM.333"\r
+go\r
+setboard r3r1k1/1p3pPp/p1p5/3bb2N/7q/1P1Q4/2PB2PP/4RRK1 w - -\r
+solution Rxe5\r
+id "ECM.334"\r
+go\r
+setboard 8/5p2/4p1k1/4P1p1/2rBRbK1/5P2/r4P2/7R b - -\r
+solution Rxd4\r
+id "ECM.335"\r
+go\r
+setboard r1bqr1k1/pp3pp1/2p4p/3PN1n1/3P1b2/2NB4/PPQ2PPP/3R1RK1 b - -\r
+solution Rxe5\r
+id "ECM.336"\r
+go\r
+setboard r3r1k1/pbqn1ppp/1p3n2/1Pb5/2p5/5N1P/PBQ1BPP1/1N1R1RK1 b - -\r
+solution Rxe2\r
+id "ECM.337"\r
+go\r
+setboard 2r2rbk/6bp/5qp1/1N1p1n2/4p3/1p5P/1P3PP1/RBBQ1RK1 b - -\r
+solution Ng3\r
+id "ECM.338"\r
+go\r
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -\r
+solution Rxc5\r
+id "ECM.339"\r
+go\r
+setboard 1k2r2r/1bpQN2p/1p6/P3p2q/4np2/2P2N2/2P2PPP/R3R1K1 b - -\r
+solution Rxe7\r
+id "ECM.340"\r
+go\r
+setboard r1k2n1r/2pb4/1p1p1qpp/p2P1p2/3N1P1P/2Q3P1/PPP1R3/2K1RB2 w - -\r
+solution Re8+\r
+id "ECM.341"\r
+go\r
+setboard r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - -\r
+solution Qf6+\r
+id "ECM.342"\r
+go\r
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -\r
+solution Nxe6\r
+id "ECM.343"\r
+go\r
+setboard 4q1r1/5kpp/2p1nb2/2PpQp2/r4P2/1N3P2/1BP1R2P/6RK w - -\r
+solution Rxg7+\r
+id "ECM.344"\r
+go\r
+setboard 2r1k2r/1pq1bppp/p3bn2/4N3/2pPN3/2P5/P3QPPP/R1B1R1K1 w k -\r
+solution Nxf6+\r
+id "ECM.345"\r
+go\r
+setboard 1r3k1r/4Rn1p/pb1p1P2/1p1q2P1/5p2/7Q/PPP1B1RP/2K5 w - -\r
+solution Rxf7+\r
+id "ECM.346"\r
+go\r
+setboard 4rrk1/ppn3pp/2pb1n1q/3p4/1P1P4/P3BNP1/2P1BPKP/R2Q1R2 b - -\r
+solution Rxe3\r
+id "ECM.347"\r
+go\r
+setboard 2b1r2k/2Q4p/4q3/1pp5/3b4/4NP2/1P3BP1/3R2K1 w - -\r
+solution Rxd4\r
+id "ECM.348"\r
+go\r
+setboard r3r1k1/pp3ppp/1qp5/2bbNQ2/5B2/2P5/PP3PPP/3RR1K1 w - -\r
+solution Rxd5\r
+id "ECM.349"\r
+go\r
+setboard 7r/3qbk1r/3p1n2/p1pPp1p1/Pp1nPpP1/1P1Q1P1B/1NP3K1/R3B2R b - -\r
+solution Nxg4\r
+id "ECM.350"\r
+go\r
+setboard r2qn1k1/1p1b3p/2pp1b2/6pQ/p1P1P3/P1N3PB/1P6/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.351"\r
+go\r
+setboard 2rq3r/5p2/p3pkbQ/3p4/3N4/2P4R/P4PP1/4R1K1 w - -\r
+solution Rf3+\r
+id "ECM.352"\r
+go\r
+setboard r4k1r/pp2pp2/3p1b2/q2PnQpp/3N4/1BP3P1/PP3PP1/3RR1K1 w - -\r
+solution Rxe5\r
+id "ECM.353"\r
+go\r
+setboard 5rk1/2p3pp/p1p4r/2P1p3/3pPnq1/1P3R1P/PN1Q3K/R5N1 b - -\r
+solution Qxf3\r
+id "ECM.354"\r
+go\r
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -\r
+solution Rxd7\r
+id "ECM.355"\r
+go\r
+setboard 2r2rk1/p3p1bp/3qP1p1/1Q1p4/P4P2/3R4/1P4PP/2B2RK1 b - -\r
+solution Rxc1\r
+id "ECM.356"\r
+go\r
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -\r
+solution Rxd4\r
+id "ECM.357"\r
+go\r
+setboard 1r6/3b1pk1/pr1p1q1p/2pPb1p1/2B1P1P1/2N2PP1/1PQ3K1/RR6 b - -\r
+solution Rxb2\r
+id "ECM.358"\r
+go\r
+setboard 2r2rk1/5ppp/1p2p3/p7/1n1R4/P1NnPN2/1P3PPP/1R4K1 b - -\r
+solution Nxb2\r
+id "ECM.359"\r
+go\r
+setboard 2r3k1/p1r1ppb1/2bp1np1/q5N1/1p1BP2Q/3P4/PP2N1PP/2R2R1K w - -\r
+solution Bxf6\r
+id "ECM.360"\r
+go\r
+setboard r3r1k1/p4ppp/2pp1b2/8/q2n1P2/2BQ3P/PPP3P1/1K1R2NR b - -\r
+solution Re3\r
+id "ECM.361"\r
+go\r
+setboard rn1kr3/pppb4/3p1q2/3P1pNn/2P2P1p/1P2Q2P/P2NR1B1/4R1K1 w - -\r
+solution Qxe8+\r
+id "ECM.362"\r
+go\r
+setboard r2q1rk1/ppp1b1pp/1nn1p3/4P3/2PP4/2N1B2P/PP1Q4/2KR1B1R b - -\r
+solution Rxf1\r
+id "ECM.363"\r
+go\r
+setboard r3k3/1pqb1p2/p3p3/4n2r/3N1Q2/2P5/PP4B1/4RRK1 w q -\r
+solution Rxe5\r
+id "ECM.364"\r
+go\r
+setboard 1rb2bk1/q4r2/pB1p1nn1/3Pp3/N3PpP1/8/1PQ1BNP1/R1R3K1 b - -\r
+solution Rxb6\r
+id "ECM.365"\r
+go\r
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -\r
+solution Rxd8\r
+id "ECM.366"\r
+go\r
+setboard r4rk1/5p2/p1b1pQpq/8/1B2P3/2NR4/PPP3PP/1K6 w - -\r
+solution Rd5\r
+id "ECM.367"\r
+go\r
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -\r
+solution Rxg6+\r
+id "ECM.368"\r
+go\r
+setboard 2rr2k1/5ppp/p1b1pn2/q1p5/P1B1PQ2/R1PN1P2/6PP/1R4K1 b - -\r
+solution Rxd3\r
+id "ECM.369"\r
+go\r
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -\r
+solution Bd8\r
+id "ECM.370"\r
+go\r
+setboard 1k2rb1r/pbp1q1pp/2pp4/2PnpP2/Q7/1P3NP1/PB5P/2KR1B1R w - -\r
+solution Rxd5\r
+id "ECM.371"\r
+go\r
+setboard 7k/p1p1r2p/1p1pnr1q/5pp1/2PPPp2/2PB1P1P/P2Q1PRK/7R b - -\r
+solution g4\r
+id "ECM.372"\r
+go\r
+setboard 5qk1/p4p2/1p3Pp1/2p4Q/3rr3/7R/PP6/6RK b - -\r
+solution Rh4\r
+id "ECM.373"\r
+go\r
+setboard 5r1k/5Bb1/3p2Pp/p1pP4/1p2Q3/4P1P1/q7/3K3R w - -\r
+solution Rxh6+\r
+id "ECM.374"\r
+go\r
+setboard 2b4B/1pp2k2/1p6/3P3n/5p1P/1P4p1/P2r2P1/R5KR b - -\r
+solution f3\r
+id "ECM.375"\r
+go\r
+setboard r3k2N/pppbq1pp/5n2/3Ppn2/2BP4/2P3bP/PP2Q1P1/RNB2K1R b q -\r
+solution Bh2\r
+id "ECM.376"\r
+go\r
+setboard r2q1r2/p1pbppbk/1p3npp/n2P2B1/7Q/2NB1N2/PPP3PP/4RRK1 w - -\r
+solution d6\r
+id "ECM.377"\r
+go\r
+setboard 5n2/3bp1r1/1r1p3k/p1p2pNp/1nP2P1P/1PN1PB1K/P5R1/6R1 w - -\r
+solution Nf7+\r
+id "ECM.378"\r
+go\r
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -\r
+solution Bxe5+\r
+id "ECM.379"\r
+go\r
+setboard r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - -\r
+solution Bc3\r
+id "ECM.380"\r
+go\r
+setboard 2r1k2r/3b1pb1/p2ppp2/2q2P2/2p1P2p/P1N2N2/1PP1Q1PP/3R1R1K w k -\r
+solution e5\r
+id "ECM.381"\r
+go\r
+setboard 3r1rk1/1pq1bppp/p7/n2RN3/P7/1P6/1B2QPPP/R5K1 w - -\r
+solution Nd7\r
+id "ECM.382"\r
+go\r
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -\r
+solution Rxc4\r
+id "ECM.383"\r
+go\r
+setboard r3bknr/1p4pp/p3Q3/q4pb1/P1Bn4/8/1PP2PPP/R1B1R1K1 w - -\r
+solution Qd6+\r
+id "ECM.384"\r
+go\r
+setboard r1b1nrk1/p2n3p/2pp4/8/2P2q1N/1PB4P/P4PB1/R2QR1K1 w - -\r
+solution Bd5+\r
+id "ECM.385"\r
+go\r
+setboard 7k/5rp1/p1bQB2p/1p4nN/4P3/1Pq5/P5PP/3R3K b - -\r
+solution Bxe4\r
+id "ECM.386"\r
+go\r
+setboard r4r1k/1bq4p/p4bp1/3pn3/NP6/Q1PBB2P/6P1/3R1RK1 b - -\r
+solution d4\r
+id "ECM.387"\r
+go\r
+setboard r2r2k1/1bq2pb1/6pp/2P1p3/1nBpN2N/6PP/2Q2P2/3RR1K1 w - -\r
+solution Nf6+\r
+id "ECM.388"\r
+go\r
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -\r
+solution Nf6+\r
+id "ECM.389"\r
+go\r
+setboard 2k1r3/Qp3pb1/2p4p/6q1/8/1P4PN/PBPn1P2/K2R4 b - -\r
+solution Qe5\r
+id "ECM.390"\r
+go\r
+setboard r3r1k1/1pp2p1b/7p/2Q5/2PP2p1/2P1NpPq/P2R1P1P/6RK b - -\r
+solution Rxe3\r
+id "ECM.391"\r
+go\r
+setboard 5bk1/5p1p/Q5p1/1B4n1/8/2q1p3/6PP/3R2K1 b - -\r
+solution e2\r
+id "ECM.392"\r
+go\r
+setboard r5k1/1p3pp1/1p3q1p/1P1bQ3/P2P3n/8/3B1PPP/R3R1K1 b - -\r
+solution Nf3+\r
+id "ECM.393"\r
+go\r
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -\r
+solution Rxa6\r
+id "ECM.394"\r
+go\r
+setboard r5kr/p3PR1p/1p1p2pq/4n3/8/3B4/P4QPP/4R1K1 w - -\r
+solution Rxe5\r
+id "ECM.395"\r
+go\r
+setboard 2bq1b2/1p3k2/1r1p1p1p/pNpP1PpP/P1P3P1/6B1/1P5Q/2K1R3 w - -\r
+solution Re6\r
+id "ECM.396"\r
+go\r
+setboard 2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - -\r
+solution Rhg8\r
+id "ECM.397"\r
+go\r
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -\r
+solution Rxd3\r
+id "ECM.398"\r
+go\r
+setboard 2r2nk1/6pp/p1rPqp2/1pP1p3/1P6/2B3R1/1P2Q1PP/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.399"\r
+go\r
+setboard 3r2k1/pb3p1p/1q4p1/2b1P3/1Pp5/2P1p1P1/P3Q1BP/R1B4K b - -\r
+solution Qc6\r
+id "ECM.400"\r
+go\r
+setboard r2rnbk1/pp3ppp/1q4n1/3p1N2/5P2/1PQB4/PBP3PP/4RR1K w - -\r
+solution Nh6+\r
+id "ECM.401"\r
+go\r
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -\r
+solution e5\r
+id "ECM.402"\r
+go\r
+setboard r1b2rk1/pp2qp2/2nRp1p1/6Pn/1Pp5/P1N1P3/1BQ2PP1/2K2B1R w - -\r
+solution Rxh5\r
+id "ECM.403"\r
+go\r
+setboard 5rr1/pp1kq1bp/2bppn2/2p3B1/4N3/2NP2P1/PPP4P/R3QRK1 b - -\r
+solution Nxe4\r
+id "ECM.404"\r
+go\r
+setboard 1r1q1k2/R4pp1/5p1r/1p1p1n1p/3Pb2N/1BP5/2P1Q1PP/4R1K1 w - -\r
+solution Qxe4\r
+id "ECM.405"\r
+go\r
+setboard R2b2k1/2rq1n1p/3p2p1/1p1Ppp1n/1P6/1B1PQN1P/1B3PP1/6K1 w - -\r
+solution Nxe5\r
+id "ECM.406"\r
+go\r
+setboard r1b3kr/bp3ppp/p1nNp3/4P3/P1Q2P2/BBP5/5qPP/R2R3K w - -\r
+solution Nxc8\r
+id "ECM.407"\r
+go\r
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -\r
+solution Rxc4\r
+id "ECM.408"\r
+go\r
+setboard 4r1k1/1p5p/5ppP/1qnP4/r4R2/P6P/1B1Q2K1/5R2 w - -\r
+solution Rxf6\r
+id "ECM.409"\r
+go\r
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -\r
+solution e6\r
+id "ECM.410"\r
+go\r
+setboard r4rk1/1b4bp/p1npq1P1/R3p3/8/1N2BP2/1PPQ2P1/4KB1R w K -\r
+solution Qxd6\r
+id "ECM.411"\r
+go\r
+setboard 6k1/pbq2pp1/4r2p/8/3prb2/1P1Q3P/PN2BPP1/3RRK2 b - -\r
+solution Bd2\r
+id "ECM.412"\r
+go\r
+setboard 6k1/2p3p1/2b4p/p4P2/2pR2PK/2P1r2P/1B6/8 b - -\r
+solution Bg2\r
+id "ECM.413"\r
+go\r
+setboard r1b2rk1/pp2ppbp/2np1np1/q7/4P3/2N1BN2/PPPQBPPP/2KR3R b - -\r
+solution Nxe4\r
+id "ECM.414"\r
+go\r
+setboard 3r1rk1/p1q4p/1p3bp1/3bnp2/3B4/1NPB3P/P1PQ2P1/1R2R2K b - -\r
+solution Nf3\r
+id "ECM.415"\r
+go\r
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -\r
+solution Ng5\r
+id "ECM.416"\r
+go\r
+setboard 1r1q2k1/7p/2p3p1/1P1n1b1r/2BQ4/4B3/P6P/1R3RK1 w - -\r
+solution bxc6\r
+id "ECM.417"\r
+go\r
+setboard r3kbnr/1ppb3p/p1q1pp2/3p4/3P4/2N2N2/PPP2PPP/R1BQ1RK1 w kq -\r
+solution Ne5\r
+id "ECM.418"\r
+go\r
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.419"\r
+go\r
+setboard 3rr1k1/1p1qb2p/pP4p1/2p2p2/4RQ2/3P4/1PPB2PP/4R1K1 w - -\r
+solution Bc3\r
+id "ECM.420"\r
+go\r
+setboard 2b2r2/rpp2pkp/3pq3/2pR2P1/2n1P1N1/2P2B2/1P3Q1P/1K5R b - -\r
+solution Qxd5\r
+id "ECM.421"\r
+go\r
+setboard 6k1/rnqb3p/5ppQ/2pPp3/p1N1P3/2PB3P/5PP1/1R4K1 w - -\r
+solution f4\r
+id "ECM.422"\r
+go\r
+setboard 7r/pp4k1/3pn1p1/q1pB1b2/2P5/5NR1/1P3PP1/2Q3K1 w - -\r
+solution b4\r
+id "ECM.423"\r
+go\r
+setboard 5r2/4prkp/3q2p1/2pP1n2/N1Q2R2/1P4PP/P5K1/4R3 b - -\r
+solution g5\r
+id "ECM.424"\r
+go\r
+setboard B1b1rbk1/5ppp/pq6/1p2n3/2p2P2/6PP/PPQ4K/R1BR4 b - -\r
+solution Ng4+\r
+id "ECM.425"\r
+go\r
+setboard 8/2R4p/2R3bk/8/5N1P/1p3PP1/2pqP1K1/8 w - -\r
+solution g4\r
+id "ECM.426"\r
+go\r
+setboard 6k1/p4p1p/3pqp2/2p1r3/2Pnr1N1/P6P/1P1Q1PP1/3R1RK1 b - -\r
+solution Ne2+\r
+id "ECM.427"\r
+go\r
+setboard 1kqr3r/p1p4p/RpQP4/2P1p3/4B3/4Bp2/P4P1P/6K1 b - -\r
+solution Rdg8+\r
+id "ECM.428"\r
+go\r
+setboard 6k1/3Q1pp1/4p2p/p2pP3/1p1P2P1/nP1R1N2/q1r2PKP/8 w - -\r
+solution Qe8+\r
+id "ECM.429"\r
+go\r
+setboard 6k1/5pp1/p5r1/3Np2q/4P2p/1r3P1Q/n4P1P/3R2RK w - -\r
+solution Rxg6\r
+id "ECM.430"\r
+go\r
+setboard nr2rb2/3q1kpp/3p4/pnpPpNBP/2N1P3/3Q4/PP3P2/2K3RR w - -\r
+solution Nh6+\r
+id "ECM.431"\r
+go\r
+setboard r3k1r1/1pp2ppp/pb1p1qn1/4p2b/2B1P3/N1PP1NPP/PP2QPK1/R4R2 b q -\r
+solution Nh4+\r
+id "ECM.432"\r
+go\r
+setboard 1n2n1r1/r3qppk/p2p3p/3PpP1P/1P2P3/3B2RQ/3B1P1K/6R1 w - -\r
+solution Bxh6\r
+id "ECM.433"\r
+go\r
+setboard r2b4/pb2q1k1/np1p2r1/1N1Pp2Q/PPN1Pp2/8/2R2BPp/2R4K w - -\r
+solution Ncxd6\r
+id "ECM.434"\r
+go\r
+setboard r7/2qnb1kp/p2p1nP1/1p1Pp1p1/6N1/3BB2Q/PPP4P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.435"\r
+go\r
+setboard n1rqk3/1p2p3/1n1pP1p1/pP1P1p1r/3B3P/1BN3p1/3Q4/R3K2R w KQ -\r
+solution Qg5\r
+id "ECM.436"\r
+go\r
+setboard rn2kr2/pp1b1pQp/3Pp3/qB1n4/3N4/P7/1PP2PPP/2KR3R w q -\r
+solution Nxe6\r
+id "ECM.437"\r
+go\r
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -\r
+solution Bh4\r
+id "ECM.438"\r
+go\r
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -\r
+solution Bf8\r
+id "ECM.439"\r
+go\r
+setboard 4rr1k/pbp3bp/3p4/1p5q/3n4/1B1Q2B1/PP1N1N1P/4RRK1 b - -\r
+solution Rf3\r
+id "ECM.440"\r
+go\r
+setboard r3k2r/pp2ppbp/1qp5/2n2b2/2P5/4BN2/PP1QBP1P/2KR3R b kq -\r
+solution Nb3+\r
+id "ECM.441"\r
+go\r
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -\r
+solution Ng6+\r
+id "ECM.442"\r
+go\r
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -\r
+solution Qb2\r
+id "ECM.443"\r
+go\r
+setboard 2r3k1/n3qppp/1B1r1n2/N7/N4P2/1Q4PP/P5B1/R1b4K b - -\r
+solution Qe1+\r
+id "ECM.444"\r
+go\r
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -\r
+solution Qxg5+\r
+id "ECM.445"\r
+go\r
+setboard rnb2k2/ppbp2p1/2p2pB1/8/1PN5/2P5/P4PPP/R1B3K1 w - -\r
+solution Bf4\r
+id "ECM.446"\r
+go\r
+setboard 2k5/1p1b4/2n1p1r1/7q/4RP2/3BQN2/2P2K1P/8 w - -\r
+solution f5\r
+id "ECM.447"\r
+go\r
+setboard 2k3r1/1ppr3p/p1pB2q1/6n1/N3Pp2/8/PPP1Q1PP/3R1RK1 b - -\r
+solution f3\r
+id "ECM.448"\r
+go\r
+setboard r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - -\r
+solution Rxh2+\r
+id "ECM.449"\r
+go\r
+setboard 6r1/6rk/3p3p/p2Rp3/R1PqPp1b/2N2Q2/6PP/7K b - -\r
+solution Rxg2\r
+id "ECM.450"\r
+go\r
+setboard 4r1k1/1p2rq1p/2bQpp2/p1Pp4/3P4/P3RN2/5PPP/4R1K1 w - -\r
+solution Ne5\r
+id "ECM.451"\r
+go\r
+setboard b2b1r1k/3R1ppp/4qP2/4p1PQ/4P3/5B2/4N1KP/8 w - -\r
+solution g6\r
+id "ECM.452"\r
+go\r
+setboard 1k4q1/1p2Rprp/p1p5/2Pp4/1P1Q3P/6P1/P5K1/8 w - -\r
+solution Qe5+\r
+id "ECM.453"\r
+go\r
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -\r
+solution Ng6+\r
+id "ECM.454"\r
+go\r
+setboard r4r1k/p2bN2p/1p1p1p2/2q4P/3Q4/1P6/1PP3P1/1K2R2R w - -\r
+solution Ng6+\r
+id "ECM.455"\r
+go\r
+setboard 2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - -\r
+solution h4\r
+id "ECM.456"\r
+go\r
+setboard r1b2k1r/1p2qp2/pN1p1n2/2pP2pp/P2bP1P1/2N5/1P2BPP1/R2Q1RK1 b - -\r
+solution hxg4\r
+id "ECM.457"\r
+go\r
+setboard 6nk/p4rrp/1p1p1p2/1q1Pp2R/4B1P1/1PP2Q1R/P6P/7K w - -\r
+solution g5\r
+id "ECM.458"\r
+go\r
+setboard r1b1k2r/6pp/p1p1p3/3np1B1/1b2N3/8/q1PQB1PP/3RK2R w Kkq -\r
+solution Qxb4\r
+id "ECM.459"\r
+go\r
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -\r
+solution Bxh5\r
+id "ECM.460"\r
+go\r
+setboard 2r3k1/4qpp1/2p1r3/pbQpN1Pp/3P1P1P/4P3/PP6/1KR3R1 w - -\r
+solution Qxb5\r
+id "ECM.461"\r
+go\r
+setboard 4r2k/p2Q3p/2p1r1p1/4NpR1/3P4/2P1PP1b/P4q1P/6RK w - -\r
+solution Nxg6+\r
+id "ECM.462"\r
+go\r
+setboard 4r1kb/p2r4/1np1p1p1/3nP1Bp/1p3P1R/1B2qP2/PPPN3Q/2K4R w - -\r
+solution Rxh5\r
+id "ECM.463"\r
+go\r
+setboard 2rq2k1/pp1bpp1p/3p1np1/8/3NPPnQ/1BP5/P1P3P1/1K1R3R w - -\r
+solution e5\r
+id "ECM.464"\r
+go\r
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -\r
+solution Rxd5\r
+id "ECM.465"\r
+go\r
+setboard 2r1kr2/p1qbbp1Q/3pp3/5p2/1p1N1PB1/6P1/PPP4P/K2RR3 w - -\r
+solution Bxf5\r
+id "ECM.466"\r
+go\r
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -\r
+solution Rf6\r
+id "ECM.467"\r
+go\r
+setboard 2rr2k1/5pn1/1b2q1pp/pP1pP3/2pP1PP1/2R1B2P/2Q3B1/3R3K w - -\r
+solution f5\r
+id "ECM.468"\r
+go\r
+setboard 2Q2bkr/5p2/1rb5/1pN1n1qB/1P1pPN2/6P1/5P2/R1R3K1 w - -\r
+solution Nce6\r
+id "ECM.469"\r
+go\r
+setboard 2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - -\r
+solution Nc3+\r
+id "ECM.470"\r
+go\r
+setboard 2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - -\r
+solution Nxf5+\r
+id "ECM.471"\r
+go\r
+setboard 1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - -\r
+solution Ne6\r
+id "ECM.472"\r
+go\r
+setboard r7/pp4pk/2n3qp/5p2/3p4/P4QB1/1PP1RPPP/6K1 b - -\r
+solution d3\r
+id "ECM.473"\r
+go\r
+setboard 2r2r1k/1p3p1p/p2p1Pp1/3Pp3/1q2Bn1Q/8/1PP3PP/4RR1K w - -\r
+solution Rxf4\r
+id "ECM.474"\r
+go\r
+setboard r4rk1/5ppp/p7/4PR2/P1qnp2Q/4B3/1P4PP/5RK1 w - -\r
+solution Rh5\r
+id "ECM.475"\r
+go\r
+setboard 4r3/pb3pk1/6p1/8/6P1/1PNrB2K/P4P1P/2R5 b - -\r
+solution Rexe3+\r
+id "ECM.476"\r
+go\r
+setboard 1r3kr1/p3q1b1/3p2Q1/2p2p2/2P2N2/4Pn2/PB6/K2R3R w - -\r
+solution Ne6+\r
+id "ECM.477"\r
+go\r
+setboard 5r1k/6bp/3p1q2/3Q1nP1/8/6P1/PP3BKP/R2N4 b - -\r
+solution Ne3+\r
+id "ECM.478"\r
+go\r
+setboard 1r1q1k1r/Q4ppp/2B2n2/8/Pbbp4/1P4P1/2PP1P1P/R1B1K2R b KQ -\r
+solution Qe8+\r
+id "ECM.479"\r
+go\r
+setboard 5rk1/p1p1R1p1/1p5p/8/2pP1P2/3n2P1/PP2Q2P/5KNq b - -\r
+solution Nxf4\r
+id "ECM.480"\r
+go\r
+setboard r5k1/1N3ppp/4b3/1Nq5/Pn3pn1/5B2/1PPQ3P/R6K b - -\r
+solution Qxb5\r
+id "ECM.481"\r
+go\r
+setboard 1r2k2r/1bq2pp1/pn2p2p/1p2P1b1/3N4/2N3Q1/PPP3PP/1K1R1BR1 w k -\r
+solution Bxb5+\r
+id "ECM.482"\r
+go\r
+setboard r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - -\r
+solution Nxh6\r
+id "ECM.483"\r
+go\r
+setboard 2r2r2/p4p1k/1p2pBpn/2p5/6N1/8/P4P2/R3R1K1 w - -\r
+solution Kg2\r
+id "ECM.484"\r
+go\r
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -\r
+solution Bg5\r
+id "ECM.485"\r
+go\r
+setboard 3rn1k1/pp3ppp/6b1/2p1Q3/2P1P3/P4P2/1B1qBP1P/1R5K w - -\r
+solution Rd1\r
+id "ECM.486"\r
+go\r
+setboard 4r1k1/5ppp/p1q3b1/1ppNr3/2P1P3/1P4QP/P4PP1/4RRK1 w - -\r
+solution f4\r
+id "ECM.487"\r
+go\r
+setboard 2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - -\r
+solution Bh3\r
+id "ECM.488"\r
+go\r
+setboard 2b3k1/5qp1/p2r1n1p/3p4/3B4/1RP3QP/P2Nr1P1/3R2K1 b - -\r
+solution Ne4\r
+id "ECM.489"\r
+go\r
+setboard 6k1/5rp1/4Nb1p/2p5/4Q3/1r5P/q5P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.490"\r
+go\r
+setboard 1r2r1k1/p4ppb/q1pbnn1p/4p3/N1P1P3/pPB2NP1/2Q1RPBP/R5K1 b - -\r
+solution Nxe4\r
+id "ECM.491"\r
+go\r
+setboard r4r2/1pnqb2k/3p1p1p/p1pPpPpP/2P1N1P1/4BP2/PP1Q4/R2R2K1 w - -\r
+solution Bxc5\r
+id "ECM.492"\r
+go\r
+setboard rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - -\r
+solution Nf6+\r
+id "ECM.493"\r
+go\r
+setboard 6kr/1p1r1p1p/p2pnPpQ/3Np2R/2q1P3/5P2/PPP5/2KR4 w - -\r
+solution Rxe5\r
+id "ECM.494"\r
+go\r
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -\r
+solution Nd6\r
+id "ECM.495"\r
+go\r
+setboard r2q1rk1/pp1n2pp/2pb4/1P1p3n/P1PPpP2/4P2b/1BNNBP1P/R2QR1K1 b - -\r
+solution Nxf4\r
+id "ECM.496"\r
+go\r
+setboard rq1r2k1/3nbp1p/p2p2p1/1p1Pp1P1/3B1P2/3B3Q/PPP4P/2KR2R1 w - -\r
+solution f5\r
+id "ECM.497"\r
+go\r
+setboard r4rk1/1bq1bppp/8/p2pPR2/3B4/1NnP3Q/1P4PP/4R1K1 w - -\r
+solution Rh5\r
+id "ECM.498"\r
+go\r
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -\r
+solution Nxh5\r
+id "ECM.499"\r
+go\r
+setboard r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - -\r
+solution f3\r
+id "ECM.500"\r
+go\r
+setboard 4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - -\r
+solution Nxf3\r
+id "ECM.501"\r
+go\r
+setboard r2qkr2/1p3pQp/2p1b3/1B1pN3/1p6/8/1P1K1PPP/2B1R3 w q -\r
+solution Nxc6\r
+id "ECM.502"\r
+go\r
+setboard r3rk2/pb2bpp1/1n5p/q1pP1B2/1p3B2/5N2/PPQ2PPP/R2R2K1 w - -\r
+solution Bc8\r
+id "ECM.503"\r
+go\r
+setboard r1bqr2k/ppp2p1p/5b2/3Pn1p1/1PP1Bp2/8/PB2N1PP/R2Q1RK1 w - -\r
+solution Nxf4\r
+id "ECM.504"\r
+go\r
+setboard 1q4k1/p3rppp/3b1n2/8/5P2/4P3/PP1B3P/RNQ3K1 b - -\r
+solution Bxf4\r
+id "ECM.505"\r
+go\r
+setboard r3k2r/1p1b1p2/p3p3/2b3p1/4N1n1/1B5P/PPP3P1/R1B2R1K b kq -\r
+solution Bc6\r
+id "ECM.506"\r
+go\r
+setboard r3kb1r/npqbpp1p/p3n1p1/P3P3/6N1/3B1NB1/1PP3PP/R3QRK1 w kq -\r
+solution Ng5\r
+id "ECM.507"\r
+go\r
+setboard 7k/p6p/4bppb/1N6/P2p1p2/1PrP2P1/2r1P2P/1R1Q2K1 b - -\r
+solution f3\r
+id "ECM.508"\r
+go\r
+setboard 2kr4/pp1r1pp1/4n1p1/4R3/2Pp1qP1/3P2QP/5PB1/1R4K1 w - -\r
+solution Rc5+\r
+id "ECM.509"\r
+go\r
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -\r
+solution Rxe6\r
+id "ECM.510"\r
+go\r
+setboard r2qkn1r/pb2bp2/1pp1p3/5p1p/2BPN3/5NQ1/PPP2PPP/1K1RR3 w kq -\r
+solution d5\r
+id "ECM.511"\r
+go\r
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -\r
+solution Nxf5\r
+id "ECM.512"\r
+go\r
+setboard 3r3k/p4npp/1p2qpb1/4P3/5P2/P3N3/1B2QP1P/6RK w - -\r
+solution exf6\r
+id "ECM.513"\r
+go\r
+setboard 6rk/1b2bp1p/ppq1p3/2p1Pp2/P1Br1P2/1PNR2P1/2P1QK1P/6R1 b - -\r
+solution Rxf4+\r
+id "ECM.514"\r
+go\r
+setboard r3r1k1/p1q2pp1/b1pb3p/n7/B3n3/2P1BN2/PP1N1PPP/R2QK2R b KQ -\r
+solution Nxc3\r
+id "ECM.515"\r
+go\r
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -\r
+solution Bxf6\r
+id "ECM.516"\r
+go\r
+setboard r5n1/pppb1B2/2k1pb2/3p2B1/5P2/2N5/PPP3P1/2KR4 w - -\r
+solution Nxd5\r
+id "ECM.517"\r
+go\r
+setboard 2b2q2/r2n2kp/1n1p1pp1/p1pP4/1pP1NPN1/1P1B4/P5PP/Q3R1K1 w - -\r
+solution Nexf6\r
+id "ECM.518"\r
+go\r
+setboard 1k1r2r1/p1p3q1/2p2p2/3pn3/1P1b2bB/1QN5/P4PPP/1R2RBK1 b - -\r
+solution Nf3+\r
+id "ECM.519"\r
+go\r
+setboard r3k2r/1bq1bp1p/p2p1np1/1p2p3/3NP3/P1N2QB1/1PP2PPP/3RR1K1 w kq -\r
+solution Ndxb5\r
+id "ECM.520"\r
+go\r
+setboard r2q4/5p1P/2p1bR2/ppk1p1P1/3pB2Q/8/PPP5/6K1 w - -\r
+solution g6\r
+id "ECM.521"\r
+go\r
+setboard r3kb1r/pp1b1pp1/4p3/2q3Qp/5B2/2PB4/P4PPP/R3R1K1 w kq -\r
+solution Rxe6+\r
+id "ECM.522"\r
+go\r
+setboard 1rbr2k1/p4pp1/5b1p/2p1p3/3qPP2/1PNB2PP/PKP2Q2/5R1R b - -\r
+solution c4\r
+id "ECM.523"\r
+go\r
+setboard r3r1k1/p6p/bp4p1/2bPN3/6n1/6P1/PB2RPB1/3R2K1 w - -\r
+solution d6\r
+id "ECM.524"\r
+go\r
+setboard 2bk3r/3r2pp/p2nQ3/q2R2P1/1p6/8/PPP2P1P/1K3B1R b - -\r
+solution Qxd5\r
+id "ECM.525"\r
+go\r
+setboard 3r1k2/1q1r1pp1/3p2bp/p2N4/8/2P1RQ1P/P4PP1/4R1K1 w - -\r
+solution Nf6\r
+id "ECM.526"\r
+go\r
+setboard 3q3r/p2r1pkp/bp1N1np1/n2p4/5Q2/B1P5/P4PPP/R3R1K1 w - -\r
+solution Nf5+\r
+id "ECM.527"\r
+go\r
+setboard r4Nk1/1p2pp1p/p1np2p1/3N4/P3PPn1/8/1bPKBqPP/R2Q1R2 b - -\r
+solution Qd4+\r
+id "ECM.528"\r
+go\r
+setboard 1kb3rr/1p2n2q/1Np2p2/1p6/1P1N1P1p/8/2P1RQPP/R6K w - -\r
+solution Nxb5\r
+id "ECM.529"\r
+go\r
+setboard r3r1k1/p3Rp1p/1qp1bQ2/8/1p1P4/3R4/PP3PPP/6K1 w - -\r
+solution Rg3+\r
+id "ECM.530"\r
+go\r
+setboard rn4k1/pp2rpb1/2pNb1pp/4p3/P3Pq2/2P2N1P/1PB1QPP1/R3R1K1 w - -\r
+solution Nf5\r
+id "ECM.531"\r
+go\r
+setboard 3r1rk1/pp3ppp/8/2p5/4PB1n/P1P2qPP/Q3RP1K/6R1 b - -\r
+solution Qg2+\r
+id "ECM.532"\r
+go\r
+setboard r4rn1/ppp1q3/2bp2kp/6P1/3QpP2/2N5/PPP1B3/2KR3R w - -\r
+solution f5+\r
+id "ECM.533"\r
+go\r
+setboard 3qr2r/1p1bppk1/3p2p1/p1nP1PQp/3N3R/1P4PP/P1P3BK/4R3 w - -\r
+solution Ne6+\r
+id "ECM.534"\r
+go\r
+setboard 2rq1rk1/1b1nbpp1/1p5p/p2pNB2/3p1N2/4P3/PPQ2PPP/2RR2K1 w - -\r
+solution Bh7+\r
+id "ECM.535"\r
+go\r
+setboard 8/5pkp/2pp2p1/4P3/1P2P3/2QBq2P/2PnNnPK/8 b - -\r
+solution Nf1+\r
+id "ECM.536"\r
+go\r
+setboard r3r2k/pb2q1p1/1p2Nn1p/2b5/2B5/2P2P2/PPQ3PP/4RR1K w - -\r
+solution Nf4\r
+id "ECM.537"\r
+go\r
+setboard r1b2nk1/ppq2ppp/8/1BP1p1NQ/5p2/8/PP3PPP/3R2K1 w - -\r
+solution Rd7\r
+id "ECM.538"\r
+go\r
+setboard 6k1/5qp1/pN5p/3pRp2/3QnP2/2r4P/r5P1/6RK b - -\r
+solution Qh5\r
+id "ECM.539"\r
+go\r
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -\r
+solution Nf5+\r
+id "ECM.540"\r
+go\r
+setboard 6rk/p2b4/3p1Nqp/2pPpn2/P1P4p/5P1P/Q2B1NP1/6RK b - -\r
+solution Ng3+\r
+id "ECM.541"\r
+go\r
+setboard r4r1k/pppb2pp/8/3q4/2N5/P1P2nQ1/BP2R2P/R6K b - -\r
+solution Ne1+\r
+id "ECM.542"\r
+go\r
+setboard r5rk/1pp1n1pp/p1n1b1q1/3p1p2/7R/2QB1N2/PB3PPP/4R1K1 w - -\r
+solution Rxe6\r
+id "ECM.543"\r
+go\r
+setboard 8/4Ppk1/6p1/1p6/1Pb1Q3/6pq/8/6K1 w - -\r
+solution Qe5+\r
+id "ECM.544"\r
+go\r
+setboard 3R4/4Qpk1/4p1p1/7p/7K/5rP1/5P2/2q5 w - -\r
+solution Qf8+\r
+id "ECM.545"\r
+go\r
+setboard 8/5pk1/p6p/2R5/3q2p1/6P1/2Q3PK/4r3 w - -\r
+solution Rg5+\r
+id "ECM.546"\r
+go\r
+setboard 1Q4R1/8/P1b2p2/2p2k2/2P5/5p2/1r5P/4R1K1 b - -\r
+solution f2+\r
+id "ECM.547"\r
+go\r
+setboard 5r1k/1q2R3/8/6Q1/8/8/6P1/7K b - -\r
+solution Rf1+\r
+id "ECM.548"\r
+go\r
+setboard 8/4p3/8/3P3p/P2pK3/6P1/7b/3k4 w - -\r
+solution d6\r
+id "ECM.549"\r
+go\r
+setboard 3Q4/k3K3/q7/2N1P3/1P6/5r2/8/8 b - -\r
+solution Rf7+\r
+id "ECM.550"\r
+go\r
+setboard 3k4/p1p5/8/2p1p3/4P3/PpPP2K1/1P6/8 b - -\r
+solution c4\r
+id "ECM.551"\r
+go\r
+setboard 6r1/5p1k/4p3/3pQp2/1p1P1P1q/1P3RR1/7r/5K2 w - -\r
+solution Rxg8\r
+id "ECM.552"\r
+go\r
+setboard r1b2rk1/ppp2ppp/2n3q1/b2N2N1/2BP4/4p2P/PPP3P1/R2Q1RK1 w - -\r
+solution Nxf7\r
+id "ECM.553"\r
+go\r
+setboard 1r4k1/3qb2p/pr1pppn1/2p2N2/2P2PQ1/1P4P1/P2R2BP/R5K1 w - -\r
+solution Bd5\r
+id "ECM.554"\r
+go\r
+setboard r6r/pR1nqkpp/2p1p3/3p4/6Q1/2b4P/P1PP1PP1/2B1R1K1 w - -\r
+solution Rxe6\r
+id "ECM.555"\r
+go\r
+setboard 1k1r3r/ppq2pnp/1npbb1p1/3p4/3P1NP1/2NBP2P/PPQ2P1B/1KR4R w - -\r
+solution Nb5\r
+id "ECM.556"\r
+go\r
+setboard 5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - -\r
+solution Bxh4\r
+id "ECM.557"\r
+go\r
+setboard r5r1/4q2k/p2p3p/5p2/4p3/P2QR3/1PP2PPP/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.558"\r
+go\r
+setboard r1b2rk1/4bnpp/2p5/pp2q3/4N3/PQ2B1P1/1PP3BP/4RRK1 w - -\r
+solution Ng5\r
+id "ECM.559"\r
+go\r
+setboard 2rr2k1/1p3p2/p2n2p1/P2PnNq1/3QP1p1/1RN5/6PP/5RK1 b - -\r
+solution Nf3+\r
+id "ECM.560"\r
+go\r
+setboard r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q -\r
+solution Nxe4\r
+id "ECM.561"\r
+go\r
+setboard 2r2rk1/pp2bppp/3q1n2/3nNRB1/3P4/1B5Q/PP4PP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.562"\r
+go\r
+setboard r1bq1rk1/1pp2ppn/1pnp3p/3N4/2B1PN2/3P4/PPP3PP/R2Q1RK1 w - -\r
+solution Ng6\r
+id "ECM.563"\r
+go\r
+setboard r1b2rk1/pp3p1p/2pq2pn/2nNN3/2B1QP2/8/P1PP2PP/R1B1K2R w KQ -\r
+solution Nxf7\r
+id "ECM.564"\r
+go\r
+setboard 1r2r1k1/1bn2pbp/pp1q1np1/2pPN1B1/P1B5/2N4P/1P1Q1PP1/R3R1K1 w - -\r
+solution Nxf7\r
+id "ECM.565"\r
+go\r
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -\r
+solution Rxc5\r
+id "ECM.566"\r
+go\r
+setboard r1b3k1/2pq2pp/p4p2/1p1Nr3/2n2R2/1B6/PPQ2PPP/R5K1 w - -\r
+solution Rxc4\r
+id "ECM.567"\r
+go\r
+setboard 2rq1rk1/3bbppp/p3pn2/1p1pN3/2nP1B2/P1NBP2Q/1P3PPP/2R2RK1 w - -\r
+solution Nxd5\r
+id "ECM.568"\r
+go\r
+setboard 2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - -\r
+solution Nxc1\r
+id "ECM.569"\r
+go\r
+setboard 1r4nk/3b2bp/3p4/3P3p/2pNPq2/P1N2p1P/1P3Q2/1R4KR b - -\r
+solution Rxb2\r
+id "ECM.570"\r
+go\r
+setboard 2r5/p3kpp1/P2p4/1P2pP1p/1P2PqnP/6R1/r2N2P1/3RQ1K1 b - -\r
+solution Rxd2\r
+id "ECM.571"\r
+go\r
+setboard 2br2k1/1p2qppp/r1n1p3/pQ1nN3/P2P4/2B3P1/1P3PBP/2RR2K1 w - -\r
+solution Qxa6\r
+id "ECM.572"\r
+go\r
+setboard 5rk1/3q2bp/3pb2r/1p1n1p2/3p1P2/P2B1QN1/1P1B2PP/2R1R1K1 w - -\r
+solution Nxf5\r
+id "ECM.573"\r
+go\r
+setboard 4r1k1/1ppQr1p1/1p1p1pP1/3P3p/7P/1P3q2/P1P5/1KRR4 w - -\r
+solution Re1\r
+id "ECM.574"\r
+go\r
+setboard 2Rr2k1/7p/4pqp1/p4p2/1p1P1Q1P/8/PP3PP1/6K1 w - -\r
+solution Qe5\r
+id "ECM.575"\r
+go\r
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -\r
+solution Rc1\r
+id "ECM.576"\r
+go\r
+setboard 5rk1/bp4p1/p2rp2p/8/8/2PN4/PP1R1PPP/3R2K1 b - -\r
+solution e5\r
+id "ECM.577"\r
+go\r
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -\r
+solution Bh3\r
+id "ECM.578"\r
+go\r
+setboard n1bq3k/pp4bp/6p1/5pP1/3p1P2/1B1P4/PB3Q1P/4R1K1 w - -\r
+solution Bxd4\r
+id "ECM.579"\r
+go\r
+setboard r3r1k1/p2n4/3p1pp1/qnp3B1/1p2P1P1/1P3P2/PP2N2Q/1K1R1B2 w - -\r
+solution Nf4\r
+id "ECM.580"\r
+go\r
+setboard 6k1/pb3ppp/1p2p3/4P3/5P2/P1r5/1q4PP/1B2Q1RK b - -\r
+solution Rc1\r
+id "ECM.581"\r
+go\r
+setboard 2rq1kbR/4R1p1/3p3r/pp1P1Pp1/6P1/3B4/PPP1Q3/6K1 w - -\r
+solution f6\r
+id "ECM.582"\r
+go\r
+setboard 2r5/5kb1/4ppp1/pp1qB3/2rP4/1RP2R1Q/P4PP1/6K1 b - -\r
+solution Rh8\r
+id "ECM.583"\r
+go\r
+setboard 4k3/4Bp2/1p2nP1P/2p5/2K1b1B1/8/P7/8 w - -\r
+solution Bf3\r
+id "ECM.584"\r
+go\r
+setboard 3rr1k1/ppp1qp1p/3b2p1/4np1P/1P1N1Pn1/P1P4R/1B1NB3/R2Q1K2 b - -\r
+solution Nf3\r
+id "ECM.585"\r
+go\r
+setboard 1k1r3r/ppqb4/5Ppp/3p4/P2np3/3BR1Q1/2PB1PPP/R5K1 w - -\r
+solution Rxe4\r
+id "ECM.586"\r
+go\r
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -\r
+solution Nxc6\r
+id "ECM.587"\r
+go\r
+setboard 8/2R2pbk/6pp/1p2pq2/1P2Qn2/3P3P/3B1PP1/r3N1K1 b - -\r
+solution Nxd3\r
+id "ECM.588"\r
+go\r
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -\r
+solution h3\r
+id "ECM.589"\r
+go\r
+setboard r2b1rnk/1p4qp/p1p1b1p1/2PpNp2/PP1PnP1Q/3BB2R/4N1PP/R6K w - -\r
+solution Qxh7+\r
+id "ECM.590"\r
+go\r
+setboard r1b2rk1/1p3pbp/2p3p1/p1q5/1P6/1Q4P1/1P2PPBP/R1B1R1K1 b - -\r
+solution Be6\r
+id "ECM.591"\r
+go\r
+setboard 4r1k1/r1q2p1p/p5pB/1pbBpN1n/1n2P3/5Q2/PP3PPP/R1R3K1 w - -\r
+solution Rxc5\r
+id "ECM.592"\r
+go\r
+setboard r1r3k1/ppnbb1pp/2ppp1q1/1P3p2/P1PPn3/2N2NP1/2Q1PPBP/1RB2RK1 w - -\r
+solution Nxe4\r
+id "ECM.593"\r
+go\r
+setboard r1b1k2r/2q1bppp/p3p3/1p1nP1B1/3Q4/2N5/PPP1B1PP/2KR3R w kq -\r
+solution Bxe7\r
+id "ECM.594"\r
+go\r
+setboard 1rb1r1k1/p1p1qppp/2pb4/8/2P3n1/4P1P1/PB2BP1P/R1QN1RK1 b - -\r
+solution Nxh2\r
+id "ECM.595"\r
+go\r
+setboard 2rqk1nr/pp3ppp/2n1p3/2b5/3N4/2NQB1P1/PP2PPKP/R4R2 w k -\r
+solution Nxe6\r
+id "ECM.596"\r
+go\r
+setboard rnb2rk1/pp4pp/2pb1n2/3N1p1q/2P5/3N2P1/P1Q1PPBP/R1B2RK1 w - -\r
+solution Bf4\r
+id "ECM.597"\r
+go\r
+setboard 8/8/1p1k4/5ppp/PPK1p3/6P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.598"\r
+go\r
+setboard 8/5pp1/7p/5P1P/2p3P1/2k5/5P2/2K5 w - -\r
+solution f6\r
+id "ECM.599"\r
+go\r
+setboard 7k/8/1p1ppp1p/1Pp5/2P2P2/8/3P2PP/6K1 w - -\r
+solution f5\r
+id "ECM.600"\r
+go\r
+setboard 8/p5k1/2p2p2/4p1p1/1p2P3/1P4PP/1PP5/5K2 b - -\r
+solution g4\r
+id "ECM.601"\r
+go\r
+setboard 8/5K2/kp6/p1p5/P2p4/1P3P2/2P5/8 b - -\r
+solution b5\r
+id "ECM.602"\r
+go\r
+setboard 8/2k3p1/2p4p/5P2/2K3PP/8/8/8 w - -\r
+solution g5\r
+id "ECM.603"\r
+go\r
+setboard 8/1kp1b3/1p4K1/4P2p/P1P3p1/5pP1/P4P2/4B3 b - -\r
+solution h4\r
+id "ECM.604"\r
+go\r
+setboard 8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - -\r
+solution g5\r
+id "ECM.605"\r
+go\r
+setboard 8/8/3K1k2/5p1p/4p1p1/4P1P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.606"\r
+go\r
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -\r
+solution Bxg6\r
+id "ECM.607"\r
+go\r
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -\r
+solution Rxc6\r
+id "ECM.608"\r
+go\r
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -\r
+solution f6\r
+id "ECM.609"\r
+go\r
+setboard 2kr3r/ppp1qpp1/2p5/2b2b2/2P1pPP1/1P2P1p1/PBQPB3/RN2K1R1 b Q -\r
+solution Rh1\r
+id "ECM.610"\r
+go\r
+setboard 1r3qk1/pb3p1p/1pn2PpQ/2pN4/3r4/5B2/PPP4P/4RRK1 w - -\r
+solution Ne7+\r
+id "ECM.611"\r
+go\r
+setboard 4r1k1/5p1p/3q2p1/1p1P4/1P6/2p4P/2Q1nPB1/4RK2 b - -\r
+solution Ng3+\r
+id "ECM.612"\r
+go\r
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -\r
+solution e5\r
+id "ECM.613"\r
+go\r
+setboard 5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -\r
+solution Qxf7+\r
+id "ECM.614"\r
+go\r
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -\r
+solution b5\r
+id "ECM.615"\r
+go\r
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -\r
+solution Rxa6\r
+id "ECM.616"\r
+go\r
+setboard 3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - -\r
+solution Rxa6\r
+id "ECM.617"\r
+go\r
+setboard 8/p3q1k1/6p1/1p3nP1/2pp1QBr/P2P4/1PP2K2/R7 b - -\r
+solution Qe3+\r
+id "ECM.618"\r
+go\r
+setboard 7k/4b2p/5p1P/5PP1/1pNp1P2/1P1B4/2P2K2/r7 w - -\r
+solution g6\r
+id "ECM.619"\r
+go\r
+setboard 5r1k/1p1b2rP/p2p4/3P3B/P2P4/5pP1/1P2pP2/R3R1K1 b - -\r
+solution Rxg3+\r
+id "ECM.620"\r
+go\r
+setboard 6B1/2p2pp1/2p5/p3K3/1k6/nP4P1/5P1P/8 b - -\r
+solution Nc4+\r
+id "ECM.621"\r
+go\r
+setboard 3q1k2/5p2/p5pN/1b2Q2P/8/8/5PPK/8 w - -\r
+solution Qh8+\r
+id "ECM.622"\r
+go\r
+setboard 6k1/p3b1pp/4p3/4Pp2/Pp1r1P1P/1P4P1/2p2R2/5RK1 b - -\r
+solution Rc4\r
+id "ECM.623"\r
+go\r
+setboard 4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - -\r
+solution Qe6\r
+id "ECM.624"\r
+go\r
+setboard 2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - -\r
+solution Nxe6\r
+id "ECM.625"\r
+go\r
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -\r
+solution Ba6\r
+id "ECM.626"\r
+go\r
+setboard 3rr1k1/pppRn1pp/4Pp2/1P5q/1QB5/4P3/P4P1P/4K1R1 w - -\r
+solution Qxe7\r
+id "ECM.627"\r
+go\r
+setboard rn1q2k1/pp3pb1/3p2pp/2pP2N1/3r1P2/7Q/PP4PP/R1B2RK1 w - -\r
+solution Nxf7\r
+id "ECM.628"\r
+go\r
+setboard 8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - -\r
+solution b2+\r
+id "ECM.629"\r
+go\r
+setboard 5bk1/r4ppp/1r1P1n2/2p2N2/b7/2B3P1/5PBP/R3R1K1 w - -\r
+solution Bxf6\r
+id "ECM.630"\r
+go\r
+setboard 8/8/8/P2k1p2/2N5/1pb2P2/4P3/2K5 w - -\r
+solution a6\r
+id "ECM.631"\r
+go\r
+setboard 3qr1k1/p4ppp/1p1P4/2r1nN2/4P2n/P7/1B4P1/3QRRK1 w - -\r
+solution d7\r
+id "ECM.632"\r
+go\r
+setboard 6k1/5pbp/6p1/2p1r3/1pPr4/3n2NP/1PB2PP1/1R1R2K1 b - -\r
+solution Nxb2\r
+id "ECM.633"\r
+go\r
+setboard 4r3/p4pk1/6p1/P1pB2Pp/2P3b1/2p1N1P1/Qb1r1P2/6K1 b - -\r
+solution Rxe3\r
+id "ECM.634"\r
+go\r
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -\r
+solution Nxa7\r
+id "ECM.635"\r
+go\r
+setboard r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - -\r
+solution Rxf6\r
+id "ECM.636"\r
+go\r
+setboard r3qr1k/1b4pp/p2RQ3/Bp2p3/4p3/6P1/PPP2P1P/3R2K1 b - -\r
+solution Qh5\r
+id "ECM.637"\r
+go\r
+setboard 8/6kP/6p1/1p1pP3/pP6/P1n2K2/2N5/8 w - -\r
+solution e6\r
+id "ECM.638"\r
+go\r
+setboard 8/Pb6/8/8/7K/5k1p/6pB/8 b - -\r
+solution g1=Q\r
+id "ECM.639"\r
+go\r
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -\r
+solution Rxb2\r
+id "ECM.640"\r
+go\r
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -\r
+solution cxb6\r
+id "ECM.641"\r
+go\r
+setboard 6k1/p4pbp/Bp2p1p1/n2P4/q3P3/B1rQP3/P5PP/5RK1 w - -\r
+solution dxe6\r
+id "ECM.642"\r
+go\r
+setboard 5r2/R4p2/5P1k/4PK2/1p6/8/8/8 w - -\r
+solution Rxf7\r
+id "ECM.643"\r
+go\r
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -\r
+solution f5\r
+id "ECM.644"\r
+go\r
+setboard 1r6/3r1Pk1/p2p1np1/5q2/1p3P2/1B5R/PPP4Q/1K1R4 w - -\r
+solution Rh8\r
+id "ECM.645"\r
+go\r
+setboard 8/2k5/2p5/2pb2K1/pp4P1/1P1R4/P7/8 b - -\r
+solution Bxb3\r
+id "ECM.646"\r
+go\r
+setboard 2r5/1r5k/1P3p2/PR2pP1p/4P2p/2p1BP2/1p2n3/4R2K b - -\r
+solution Nd4\r
+id "ECM.647"\r
+go\r
+setboard 4r2k/p2qr1pp/1pp2p2/2p1nP1N/4R3/1P1P2RP/1PP2QP1/7K w - -\r
+solution Rxg7\r
+id "ECM.648"\r
+go\r
+setboard 6k1/p4p2/5Ppp/3RP3/Pr4P1/2p2K2/7P/8 w - -\r
+solution Rd8+\r
+id "ECM.649"\r
+go\r
+setboard 8/1R2P3/6k1/3B4/2P2P2/1p2r3/1Kb4p/8 w - -\r
+solution Be6\r
+id "ECM.650"\r
+go\r
+setboard 2kr2r1/pp2bQ1p/2b1P3/2qN4/8/1B2p2P/PPP3P1/3R1R1K b - -\r
+solution e2\r
+id "ECM.651"\r
+go\r
+setboard r1b2rk1/1p2qppp/p3p3/2n5/3N4/3B1R2/PPP1Q1PP/R5K1 w - -\r
+solution Bxh7+\r
+id "ECM.652"\r
+go\r
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -\r
+solution Bb5\r
+id "ECM.653"\r
+go\r
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.654"\r
+go\r
+setboard 6rk/3nrpbp/p1bq1npB/1p2p1N1/4P1PQ/P2B3R/1PP1N2P/5R1K w - -\r
+solution Nxh7\r
+id "ECM.655"\r
+go\r
+setboard 1rb2rk1/3nqppp/p1n1p3/1p1pP3/5P2/2NBQN2/PPP3PP/2KR3R w - -\r
+solution Bxh7+\r
+id "ECM.656"\r
+go\r
+setboard 2k5/ppp3pp/8/NQ2n2q/2Pp1n2/R4bP1/1P3P1P/4R1K1 b - -\r
+solution Qxh2+\r
+id "ECM.657"\r
+go\r
+setboard 5rrk/1p3qpp/p3pn2/2PpBp2/3P1P1Q/P1P1R2R/2b1B1PP/6K1 w - -\r
+solution Qxh7+\r
+id "ECM.658"\r
+go\r
+setboard r4rk1/1bq2ppp/p1p1p3/2b1P1B1/3p2Q1/3B4/PPP2PPP/R3R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.659"\r
+go\r
+setboard r4rk1/pb1q1ppp/2N1p3/2Rn4/3P4/3BPQ2/1P3PPP/2R3K1 w - -\r
+solution Bxh7+\r
+id "ECM.660"\r
+go\r
+setboard r5rk/1p1q1p1p/5pn1/p2p1N1Q/3P2P1/PP2R3/5P1P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.661"\r
+go\r
+setboard 2r2r2/p2qppkp/3p2p1/3P1P2/2n2R2/7R/P5PP/1B1Q2K1 w - -\r
+solution Rxh7+\r
+id "ECM.662"\r
+go\r
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -\r
+solution Rxh7\r
+id "ECM.663"\r
+go\r
+setboard 4rrk1/2q1bppp/p2p4/1p1Pn3/3B1R2/P2B2Q1/1PP3PP/5R1K w - -\r
+solution Bxh7+\r
+id "ECM.664"\r
+go\r
+setboard r1b2rk1/2q1bppp/p1n1p3/1p1np1P1/5P2/1NNBBQ2/PPP4P/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.665"\r
+go\r
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -\r
+solution Nxh7\r
+id "ECM.666"\r
+go\r
+setboard r4rk1/pp2q1p1/4b2p/2ppb3/6n1/2P3N1/PPQBBPPP/R4RK1 b - -\r
+solution Nxh2\r
+id "ECM.667"\r
+go\r
+setboard b3r1k1/2rN1ppp/2n1p3/p7/P3BP2/1R6/q1P2QPP/3R2K1 w - -\r
+solution Bxh7+\r
+id "ECM.668"\r
+go\r
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -\r
+solution Qxh7+\r
+id "ECM.669"\r
+go\r
+setboard r1b1rnk1/pp1nb1pp/2p1pp2/q3N3/2PP1P2/3BP1N1/PBQ3PP/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.670"\r
+go\r
+setboard 4r1k1/2q2r1p/p3bQ2/1p4Bp/2np4/8/PPB2PP1/3RR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.671"\r
+go\r
+setboard 5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - -\r
+solution Bxh7+\r
+id "ECM.672"\r
+go\r
+setboard 2rqr1k1/1p1bbppp/p3p3/n7/3P2Q1/2PB1N2/P4PPP/R1B1R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.673"\r
+go\r
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -\r
+solution Nxh7\r
+id "ECM.674"\r
+go\r
+setboard rn1q1rk1/pb1p1ppp/4p3/2pnP3/1bp5/2N2N2/PP3PPP/RBBQK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.675"\r
+go\r
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -\r
+solution Rxh7\r
+id "ECM.676"\r
+go\r
+setboard r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.677"\r
+go\r
+setboard rnq3rk/4bp1p/p1p3pQ/1p1pP3/1P1N1B2/2P3R1/1P3PPP/R5K1 w - -\r
+solution e6\r
+id "ECM.678"\r
+go\r
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -\r
+solution Nxh7\r
+id "ECM.679"\r
+go\r
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.680"\r
+go\r
+setboard 1r2nrkb/2n2p1p/p2p1Pp1/P1pPp1P1/1pP1P1q1/1P1BB1N1/3Q4/2KR3R w - -\r
+solution Rxh7\r
+id "ECM.681"\r
+go\r
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -\r
+solution Bxh7+\r
+id "ECM.682"\r
+go\r
+setboard r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 b - -\r
+solution Rxh2\r
+id "ECM.683"\r
+go\r
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -\r
+solution Nxh7\r
+id "ECM.684"\r
+go\r
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -\r
+solution Rxh7\r
+id "ECM.685"\r
+go\r
+setboard r2qn1k1/pb4Pp/1pn5/2p5/2P2p2/P1PB4/5PPP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.686"\r
+go\r
+setboard r4rk1/pp1n1ppp/3qp3/3nN1P1/b2P4/P2B1Q2/3B1P1P/1R2R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.687"\r
+go\r
+setboard r2r2k1/ppqbbppp/4pn2/6N1/n1P4P/3B1N2/PP2QPP1/1KBR3R w - -\r
+solution Nxh7\r
+id "ECM.688"\r
+go\r
+setboard r5k1/6bp/2q1p1p1/p2pP3/3P4/1rP2QP1/3B1PK1/2R4R w - -\r
+solution Rxh7\r
+id "ECM.689"\r
+go\r
+setboard r6r/4ppk1/p2p1bp1/B2p4/3P2p1/QP2P3/P1R1qPPP/2R3K1 b - -\r
+solution Rxh2\r
+id "ECM.690"\r
+go\r
+setboard 4nrk1/r4p1p/p2p2pQ/2pPpNPP/qpn1P3/5P1R/PPP1N3/2K3R1 w - -\r
+solution Qxh7+\r
+id "ECM.691"\r
+go\r
+setboard r3k2r/1b1n1p2/pq1p1bp1/1p4p1/P3P3/1NN5/1PP3PP/R2QRB1K b kq -\r
+solution Rxh2+\r
+id "ECM.692"\r
+go\r
+setboard r2qrnk1/4bppp/b1p5/1p1p2P1/p2P1N1P/2NBP3/PPQ2P2/2K3RR w - -\r
+solution Bxh7+\r
+id "ECM.693"\r
+go\r
+setboard rn1q1rk1/pppbb1pp/4p3/3pP1p1/3P3P/2NB4/PPP2PP1/R2QK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.694"\r
+go\r
+setboard 1r2nr1k/6pp/pp1p1p2/2pPnN2/q1P1PB2/5PR1/4K1P1/2Q4R w - -\r
+solution Bxe5\r
+id "ECM.695"\r
+go\r
+setboard 3r1rk1/4qp1p/p1bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -\r
+solution Bxh2+\r
+id "ECM.696"\r
+go\r
+setboard r2q1rk1/3n1ppp/8/1pbP2P1/p1N4P/PnBBPQ2/5P2/R3K2R w KQ -\r
+solution Bxh7+\r
+id "ECM.697"\r
+go\r
+setboard 2k3r1/ppq2p1p/n1Pb1p2/8/6r1/4BN1b/PPQ2PPP/R3RBK1 b - -\r
+solution Bxh2+\r
+id "ECM.698"\r
+go\r
+setboard 3qr1k1/1br2ppp/p2b4/8/PpNp4/3P4/1PP2PPP/R1BQ1RK1 b - -\r
+solution Bxh2+\r
+id "ECM.699"\r
+go\r
+setboard 3r2k1/p1R2p2/4pQp1/1q5p/5P1P/1PR5/2Pr2P1/6K1 b - -\r
+solution Rxg2+\r
+id "ECM.700"\r
+go\r
+setboard r1b4r/3p1kp1/pp3q1p/4RP2/8/B7/P5PP/4QRK1 w - -\r
+solution Qe4\r
+id "ECM.701"\r
+go\r
+setboard 1r2rnk1/2R2bpp/p2q4/1p1N2R1/5P2/1Q1B3P/PP4P1/7K w - -\r
+solution Rxg7+\r
+id "ECM.702"\r
+go\r
+setboard 3r2k1/pb5p/1p2qpp1/8/2p5/1P1nP3/P1N2PPP/1Q1R1R1K b - -\r
+solution Bxg2+\r
+id "ECM.703"\r
+go\r
+setboard 4rrk1/2qb2pp/p5P1/1p2p3/1b2P3/2N5/PPPQ4/1K1R2R1 w - -\r
+solution gxh7+\r
+id "ECM.704"\r
+go\r
+setboard 3q1k2/pp3ppn/2p1n2p/4pN1N/P3P2P/5Q2/1PP2PP1/6K1 w - -\r
+solution Nhxg7\r
+id "ECM.705"\r
+go\r
+setboard 2r2r1k/3b1pb1/p3pp1p/q2p1P1B/8/2N2RR1/P1PQ2PP/7K w - -\r
+solution Rxg7\r
+id "ECM.706"\r
+go\r
+setboard 5bk1/1p4p1/4N1R1/3p4/p1r2P1q/Pr1QP2P/1P6/1K4R1 w - -\r
+solution Rxg7+\r
+id "ECM.707"\r
+go\r
+setboard 2r1r1k1/5ppp/p3pn2/1pb1N3/2P5/1PQ3R1/PB2qPPP/3R2K1 w - -\r
+solution Rxg7+\r
+id "ECM.708"\r
+go\r
+setboard 7k/1bp1P1p1/3p2rp/1pb2p1q/5P2/1BP2N1P/1P4P1/R1B2R1K b - -\r
+solution Rxg2\r
+id "ECM.709"\r
+go\r
+setboard r1q1bk1r/1p3pp1/4pn1p/p3Q3/P1P2N2/1B4R1/1P3PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.710"\r
+go\r
+setboard r4rk1/p2n2p1/1q1Qpn1p/1P6/P6B/2p5/2B1KP1P/R5R1 w - -\r
+solution Rxg7+\r
+id "ECM.711"\r
+go\r
+setboard r2qr1k1/1p3ppp/2pb4/2Np4/1P1P2bn/3BP3/2QN1PPP/1RR3K1 b - -\r
+solution Nxg2\r
+id "ECM.712"\r
+go\r
+setboard r3r1k1/pp3pp1/3p4/2q4p/2P5/1PB2Q1P/n4PP1/3R1RK1 w - -\r
+solution Bxg7\r
+id "ECM.713"\r
+go\r
+setboard r5k1/pn1q1rpp/2pp4/5R1N/bP6/4BQ2/P4PPP/2R3K1 w - -\r
+solution Nxg7\r
+id "ECM.714"\r
+go\r
+setboard 3r1rk1/5pp1/pq1n1n1p/2pPR3/2B2P2/1PBQ2RP/P5P1/6K1 w - -\r
+solution Rxg7+\r
+id "ECM.715"\r
+go\r
+setboard rn3rk1/ppq2ppp/2pb1nb1/5N2/2BP4/8/PPP1N1P1/R1B1QR1K w - -\r
+solution Nxg7\r
+id "ECM.716"\r
+go\r
+setboard r1qb1r1k/2p3pp/p1n1bp2/1p1Np2Q/P3P3/1BP3R1/1P3PPP/R1B3K1 w - -\r
+solution Rxg7\r
+id "ECM.717"\r
+go\r
+setboard r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - -\r
+solution Rxg7+\r
+id "ECM.718"\r
+go\r
+setboard 4q1k1/1b3r1p/p4pp1/1p6/2P2n2/1P3N2/1B3PPP/R2Q3K b - -\r
+solution Nxg2\r
+id "ECM.719"\r
+go\r
+setboard r2r3k/5bp1/2p2N2/5P1p/3q3Q/3B2R1/n5PP/3R3K w - -\r
+solution Rxg7\r
+id "ECM.720"\r
+go\r
+setboard 4rrk1/2pn2pb/p1p1qp2/1pb1pN2/P3P1PN/1P1P4/1BP2PK1/R2Q3R w - -\r
+solution Nxg7\r
+id "ECM.721"\r
+go\r
+setboard r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - -\r
+solution Rg3\r
+id "ECM.722"\r
+go\r
+setboard r4rk1/1p1q1ppp/p1b4B/8/2R3R1/P2P4/1b1N1QPP/6K1 w - -\r
+solution Bxg7\r
+id "ECM.723"\r
+go\r
+setboard rq3rk1/3b1ppp/p2bp3/3pB2Q/8/1B5P/PP3PP1/2RR2K1 w - -\r
+solution Bxg7\r
+id "ECM.724"\r
+go\r
+setboard 4kbr1/pp1bpp1p/3p1p2/3N4/1PBQP3/q7/P1r2PPP/R4RK1 b - -\r
+solution Rxg2+\r
+id "ECM.725"\r
+go\r
+setboard 2r3k1/1p2R1p1/p3n2p/2pq4/7P/1P1P2P1/PB1Q3K/8 w - -\r
+solution Bxg7\r
+id "ECM.726"\r
+go\r
+setboard 2rr2k1/4bppp/p1n1p3/3q4/1p1P2N1/2P3R1/P3QPPP/2B2RK1 w - -\r
+solution Nh6+\r
+id "ECM.727"\r
+go\r
+setboard rq1r1bk1/1b3pp1/3pn2p/1n2BN1P/1P2P3/3R1NP1/3Q1PB1/2R3K1 w - -\r
+solution Bxg7\r
+id "ECM.728"\r
+go\r
+setboard r1b5/ppqn2bk/3R2pp/2p2p2/2P1rN2/4BN2/PPQ2PPP/4R1K1 w - -\r
+solution Rxg6\r
+id "ECM.729"\r
+go\r
+setboard 3q1r2/1p1b1pk1/pn5p/3pN1pQ/3P3P/2r3B1/P4PP1/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.730"\r
+go\r
+setboard r1bqkbnr/pp2ppp1/2p4p/3n2N1/2BP4/5N2/PPP2PPP/R1BQK2R w KQkq -\r
+solution Nxf7\r
+id "ECM.731"\r
+go\r
+setboard r2qr1k1/1ppb1p1p/p1np2p1/7Q/3PP2b/1B2N2P/PP3PP1/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.732"\r
+go\r
+setboard 2r3k1/pbq1np1p/1p1b1Bp1/8/6QP/2P2N2/B4PP1/4R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.733"\r
+go\r
+setboard r3r1k1/1bqn1ppp/1pp2p2/8/3P4/1B4N1/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.734"\r
+go\r
+setboard r3r1k1/pp3ppp/8/1Nbp3q/3NnBn1/2P5/PPQ2PPP/3R1RK1 b - -\r
+solution Ngxf2\r
+id "ECM.735"\r
+go\r
+setboard r2r2k1/1b2qpp1/1p2n3/p1b1p2p/4P1n1/PP1B2PP/1B1NQP2/R3NRK1 b - -\r
+solution Nxf2\r
+id "ECM.736"\r
+go\r
+setboard r2qr1k1/1b2bp1p/p3p1p1/1p2N1Bn/3P4/P6Q/1P3PPP/RB2R1K1 w - -\r
+solution Nxf7\r
+id "ECM.737"\r
+go\r
+setboard r5k1/1pp3pp/1b1p1r2/pN1P1n2/P1P3nq/6N1/1P1B1PQP/4RRK1 b - -\r
+solution Nxf2\r
+id "ECM.738"\r
+go\r
+setboard 2rqnk1r/pp2bpp1/2p1pn1p/2P1N2P/3P1BP1/3BQ3/PP6/2K2R1R w - -\r
+solution Nxf7\r
+id "ECM.739"\r
+go\r
+setboard 2rq1rk1/1b2bppp/p1n5/1p1BN3/5B2/P7/1P3PPP/R2Q1RK1 w - -\r
+solution Nd7\r
+id "ECM.740"\r
+go\r
+setboard 3r1qrk/p1p5/bbp3pp/4p3/4Pp1N/2Pn3P/PPQN1PPB/R4RK1 b - -\r
+solution Nxf2\r
+id "ECM.741"\r
+go\r
+setboard r2qr1k1/pb2bp1p/1pn1p1pB/8/2BP4/P1P2N2/4QPPP/3R1RK1 w - -\r
+solution d5\r
+id "ECM.742"\r
+go\r
+setboard r3r1k1/1bq1nppp/p1np4/1ppBpN2/4P3/2PP1N2/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.743"\r
+go\r
+setboard r5k1/p4ppp/3qpb2/1P2N3/1nBP4/1P5P/4QPP1/4R1K1 w - -\r
+solution Nxf7\r
+id "ECM.744"\r
+go\r
+setboard r2qr1k1/1b1nbp1p/p3pp2/1p2N3/3P4/3B1N2/PP2QPPP/R2R2K1 w - -\r
+solution Nxf7\r
+id "ECM.745"\r
+go\r
+setboard r3k2r/p1qb1p2/1p2p2p/3pPpN1/P1nP3Q/8/2P2PPP/R1B1R1K1 w kq -\r
+solution Nxf7\r
+id "ECM.746"\r
+go\r
+setboard 3qNk2/5p1p/1r3p2/2p5/Q1pb4/3b2P1/P4PBP/4R1K1 b - -\r
+solution Bxf2+\r
+id "ECM.747"\r
+go\r
+setboard 2r1r1k1/1pq1bp1p/p3pnp1/P2n2N1/7R/2P4P/1PB1QPP1/2B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.748"\r
+go\r
+setboard r1bq2k1/pp1n1ppp/3b1n2/PQ1B3r/3N1P2/2N5/1PP3PP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.749"\r
+go\r
+setboard 2r1r1k1/5ppp/pq3b2/2pB1P2/2p2B2/5Q1P/Pn3PP1/2R1R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.750"\r
+go\r
+setboard r4rk1/ppRn1p2/6pb/2P1pq1p/3N4/P1QPn1Pb/1B1NPP1P/4R1KB b - -\r
+solution Qxf2+\r
+id "ECM.751"\r
+go\r
+setboard r3kr2/1b2qp2/pp2p2N/4p2Q/8/2n5/P3B1PP/3R1R1K w q -\r
+solution Nxf7\r
+id "ECM.752"\r
+go\r
+setboard b2r1rk1/pq2bpp1/1p2p2p/4N2n/2P2R2/1PB2N2/1P2QPPP/4R1K1 w - -\r
+solution Rxf7\r
+id "ECM.753"\r
+go\r
+setboard rqb1k2r/1p1nbp1p/p4pp1/8/1PBN1P2/P1N1P3/7P/2RQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.754"\r
+go\r
+setboard r2r2k1/4ppbp/5np1/p1q5/QnB1P3/5N2/1P3PPP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.755"\r
+go\r
+setboard 1r2q1k1/p3pp2/3p1bp1/2pP2N1/8/P5PB/2Q2PK1/1rBR4 w - -\r
+solution Nxf7\r
+id "ECM.756"\r
+go\r
+setboard 2rqrbk1/pb1n1p1p/1p2pnp1/4N3/2BP1N2/1P2Q3/PB3PPP/3R1RK1 w - -\r
+solution Nxf7\r
+id "ECM.757"\r
+go\r
+setboard 1r4k1/p4pp1/bqnrpn1p/2ppN3/2P2P1B/P3P3/1P2B1PP/1Q1R1RK1 w - -\r
+solution Bxf6\r
+id "ECM.758"\r
+go\r
+setboard r1bqrbk1/5p1p/2pp2nB/pp5Q/4P3/PBNPR2P/1P4P1/R5K1 w - -\r
+solution Bxf7+\r
+id "ECM.759"\r
+go\r
+setboard r1bqkb1r/1p3ppp/pn1P1n2/4p3/2B5/2N2N2/PP3PPP/R1BQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.760"\r
+go\r
+setboard 2rqr1k1/pp2nppp/3p2b1/6B1/2BNn1Q1/P7/1PP2PPP/2KRR3 w - -\r
+solution Bxf7+\r
+id "ECM.761"\r
+go\r
+setboard r3r1k1/pbq1ppbp/1pp2np1/4N3/3P4/2P5/PPB1QPPP/R1B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.762"\r
+go\r
+setboard r1b2rk1/p6p/2p3Pb/3pp1q1/8/2PB4/PP3PP1/RN1Q1K1R b - -\r
+solution Rxf2+\r
+id "ECM.763"\r
+go\r
+setboard r2rn3/1p3pk1/p1pNn1pp/q3P3/P7/1PN4P/2QR1PP1/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.764"\r
+go\r
+setboard r1bqr1k1/1p1nnpb1/p5pp/2P1p1B1/B3N3/5N2/P4PPP/2RQR1K1 w - -\r
+solution Nd6\r
+id "ECM.765"\r
+go\r
+setboard r1b1r1k1/pp2qpbp/2p3p1/2P5/3NnB2/7P/PPQ1PPB1/2RR2K1 b - -\r
+solution Nxf2\r
+id "ECM.766"\r
+go\r
+setboard rn2r1k1/pp3p1p/3P2p1/2p1bbB1/2B5/2N5/Pq4PP/R2Q1RK1 w - -\r
+solution Bxf7+\r
+id "ECM.767"\r
+go\r
+setboard 5rk1/r2qnppp/p1nN4/2Q5/3PB3/4P3/6PP/R4RK1 w - -\r
+solution Nxf7\r
+id "ECM.768"\r
+go\r
+setboard 1bq2k2/1b1n1pp1/pp5p/2pBpN2/P3P2B/3Q1P2/1PP3PP/4K3 w - -\r
+solution Bxf7\r
+id "ECM.769"\r
+go\r
+setboard rnb2rk1/pp3pbp/2p3pB/2q5/4P3/1BN5/PPP3PP/R2Q1R1K w - -\r
+solution Rxf7\r
+id "ECM.770"\r
+go\r
+setboard 3qr1k1/1br1bp1p/p3p1pB/1p1nN3/3PB3/7Q/PP3PPP/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.771"\r
+go\r
+setboard 1qr1b1k1/4bpp1/pn2p2p/1p1nN3/3P4/P2BBN1Q/1P3PPP/4R1K1 w - -\r
+solution Bxh6\r
+id "ECM.772"\r
+go\r
+setboard rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - -\r
+solution Bxh6\r
+id "ECM.773"\r
+go\r
+setboard r2r2k1/pb1nbpp1/1qp1pn1p/1p2N3/3P1B2/P1N1P3/BPQ2PPP/2R2RK1 w - -\r
+solution Bxh6\r
+id "ECM.774"\r
+go\r
+setboard 2r5/1p4bk/3p2rp/4pN2/1P2P1pR/2P2q2/QP6/1K5R w - -\r
+solution Rxh6+\r
+id "ECM.775"\r
+go\r
+setboard r1b1r3/pp2Npbk/3pp2p/q5p1/2QNPP2/6P1/PPP3P1/2KR3R w - -\r
+solution Ndf5\r
+id "ECM.776"\r
+go\r
+setboard r1q3r1/1ppQ2pk/3bNp1p/p3pP2/P3P3/7R/1PP3PP/3R2K1 w - -\r
+solution Rxh6+\r
+id "ECM.777"\r
+go\r
+setboard 4r1k1/p1pq1pp1/2p5/3p1b2/Q7/2P1B2P/P1P1rPP1/2R2RK1 b - -\r
+solution Bxh3\r
+id "ECM.778"\r
+go\r
+setboard 1rbqnr2/5p1k/p1np3p/1p1Np3/4P2P/1Q2B3/PPP1BP2/2KR3R w - -\r
+solution Bxh6\r
+id "ECM.779"\r
+go\r
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.780"\r
+go\r
+setboard 3r1r1k/p5p1/n1p2p1p/1qp2b2/N1R4R/1PB1P1P1/P2P3P/3Q2K1 w - -\r
+solution Rxh6+\r
+id "ECM.781"\r
+go\r
+setboard r4rk1/2q1b1p1/p4p1p/n3pP2/1p2Q1N1/4B3/PPP3PP/4RR1K w - -\r
+solution Nxh6+\r
+id "ECM.782"\r
+go\r
+setboard 6rk/3b1n1p/1p1q3b/1PpNp3/2P1Pp2/2Q2NrP/5RP1/2R2B1K b - -\r
+solution Bxh3\r
+id "ECM.783"\r
+go\r
+setboard r2q1rk1/ppp2pp1/1b2b2p/3n3Q/2Bp4/3P1N2/PPP2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.784"\r
+go\r
+setboard r3rbk1/1bp1qpp1/p6p/np2p2Q/4P2N/1BP4P/PP3PP1/R1B1R1K1 w - -\r
+solution Bg5\r
+id "ECM.785"\r
+go\r
+setboard 4q3/p2r1ppk/R6p/3n4/3B1Q2/4P2P/5PP1/6K1 w - -\r
+solution Rxh6+\r
+id "ECM.786"\r
+go\r
+setboard 7r/1p2qk2/pQ1p2p1/3Ppp2/P4b2/2P2PrP/1P2R1B1/4R2K b - -\r
+solution Rhxh3+\r
+id "ECM.787"\r
+go\r
+setboard 5rk1/Qp5p/3pp1p1/4n3/2P1P2q/5r1P/P3NPP1/3R1RK1 b - -\r
+solution Rxh3\r
+id "ECM.788"\r
+go\r
+setboard 2r1r1k1/pb1n1pp1/1p1qpn1p/4N1B1/2PP4/3B4/P2Q1PPP/3RR1K1 w - -\r
+solution Bxh6\r
+id "ECM.789"\r
+go\r
+setboard 3q1rk1/p2bbpp1/1rn4p/1pp2P2/3pBBP1/3P3P/PPPQ3N/R4RK1 w - -\r
+solution Bxh6\r
+id "ECM.790"\r
+go\r
+setboard 2br2k1/4qppp/p5r1/2pBp3/2P1Pn2/4Q2P/RP3PPK/1N4R1 b - -\r
+solution Bxh3\r
+id "ECM.791"\r
+go\r
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -\r
+solution Bxh6\r
+id "ECM.792"\r
+go\r
+setboard r5r1/pbn4k/1p1p1Ppp/2pPn3/4BQq1/1PN3P1/PB3PK1/3R1R2 w - -\r
+solution Qxh6+\r
+id "ECM.793"\r
+go\r
+setboard r1b2rk1/pp2bpp1/4p2p/2q4Q/5nNB/2PB4/PP3PPP/2KR3R w - -\r
+solution Nxh6+\r
+id "ECM.794"\r
+go\r
+setboard 6k1/p4ppp/1pn1b1rr/8/PBpPp2q/2P1P1NP/5PP1/RR3QK1 b - -\r
+solution Bxh3\r
+id "ECM.795"\r
+go\r
+setboard r1b2rk1/1p3pp1/p5Pp/2bpPp1Q/3N4/1Pq1B1R1/2P4P/3R2K1 w - -\r
+solution Bxh6\r
+id "ECM.796"\r
+go\r
+setboard r2r2k1/pp1n1bp1/2p2p1p/b4N2/q2BR3/2QB2PP/1PP5/2KR4 w - -\r
+solution Nxh6+\r
+id "ECM.797"\r
+go\r
+setboard 3r2bk/1q4p1/p2P1N1p/2p1rP2/pb5R/7P/1P4P1/2Q2RK1 w - -\r
+solution Rxh6+\r
+id "ECM.798"\r
+go\r
+setboard 2b1rk2/r6p/1pP1p1p1/p2pNnR1/5Q2/P1B4q/1PP2P1P/1K4R1 w - -\r
+solution Nxg6+\r
+id "ECM.799"\r
+go\r
+setboard 6R1/6Q1/3q2p1/5p1p/P3p1k1/1P1r2P1/5PK1/8 b - -\r
+solution Rxg3+\r
+id "ECM.800"\r
+go\r
+setboard r6r/ppnqpk2/3pbpp1/5N2/1PP1P3/5RR1/P2QB1PP/6K1 w - -\r
+solution Nh6+\r
+id "ECM.801"\r
+go\r
+setboard 3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -\r
+solution Rfxg6+\r
+id "ECM.802"\r
+go\r
+setboard 2b2r1k/2p3pp/2Nb4/pP5q/2PP4/P4pP1/5P1P/R1BQ2K1 b - -\r
+solution Bxg3\r
+id "ECM.803"\r
+go\r
+setboard r1bq2k1/pp3r1p/2n1p1p1/3pP3/6Q1/2PB2P1/P4PK1/R1B4R w - -\r
+solution Bxg6\r
+id "ECM.804"\r
+go\r
+setboard 3q1rk1/2r4p/n1p1n1pQ/p2pP3/Np1P2R1/5PN1/PP3KP1/2R5 w - -\r
+solution Rxg6+\r
+id "ECM.805"\r
+go\r
+setboard 2Nq1rk1/6pp/b1p2b2/p6Q/np1p4/6P1/PB3PBP/R3R1K1 w - -\r
+solution Be4\r
+id "ECM.806"\r
+go\r
+setboard r2r4/p4pk1/2p3p1/1p1nPR2/5p1Q/2N5/PPPq4/1K4R1 w - -\r
+solution e6\r
+id "ECM.807"\r
+go\r
+setboard 2kr3r/pbq3p1/1p2pp2/2b4n/2P1B3/1P1N2Pp/PB2QP1P/R4RK1 b - -\r
+solution Nxg3\r
+id "ECM.808"\r
+go\r
+setboard r5k1/1p2Rpb1/3p1np1/2nP2B1/1qP5/1pN1Q2P/P5P1/1B4K1 w - -\r
+solution Bxg6\r
+id "ECM.809"\r
+go\r
+setboard 2rqr1k1/pb2bp1p/1pn1pnpB/4N3/3P4/P1N3R1/1P3PPP/RB1Q2K1 w - -\r
+solution Rxg6+\r
+id "ECM.810"\r
+go\r
+setboard 2r5/pp2qr1k/1nb3pp/2ppBp2/2P4P/3B2R1/P3QPP1/1R4K1 w - -\r
+solution Rxg6\r
+id "ECM.811"\r
+go\r
+setboard 3rr3/3q1p1k/p2P2pp/1bp1b3/5N2/6QP/P1B3P1/3RR1K1 w - -\r
+solution Bxg6+\r
+id "ECM.812"\r
+go\r
+setboard r2q1rk1/pp2ppb1/3pn1pQ/3R4/2P3B1/4BR2/PP4PP/6K1 w - -\r
+solution Qxg6\r
+id "ECM.813"\r
+go\r
+setboard 1n1b1rk1/r4p1p/p1p2qpQ/P3Np2/2BP4/2P1R3/5PPP/R5K1 w - -\r
+solution Rb1\r
+id "ECM.814"\r
+go\r
+setboard 6rk/pb3p1p/3bpPq1/3P4/1p1B3r/1B4P1/PPRQ1R1P/6K1 b - -\r
+solution Bxg3\r
+id "ECM.815"\r
+go\r
+setboard 3rr1k1/pb2bp1p/3qp1pB/1p2N3/3P2Q1/2P1R3/P4PPP/4R1K1 w - -\r
+solution Nxg6\r
+id "ECM.816"\r
+go\r
+setboard r2q1rk1/pb1nbp1p/1p2p1p1/4N1BQ/2PP4/P7/5PPP/RB2R1K1 w - -\r
+solution Nxg6\r
+id "ECM.817"\r
+go\r
+setboard 1Q4R1/r2qbp2/3p1kp1/3Bp2p/8/3PP1P1/5PKP/8 w - -\r
+solution Rxg6+\r
+id "ECM.818"\r
+go\r
+setboard r3r1k1/b1p2pn1/p2q1Bp1/1p1bN1Qp/3P4/2P4P/PPB2PP1/R3R1K1 w - -\r
+solution Nxg6\r
+id "ECM.819"\r
+go\r
+setboard 3r2k1/p1rn1p1p/1p2pp2/6q1/3PQNP1/5P2/P1P4R/R5K1 w - -\r
+solution Nxe6\r
+id "ECM.820"\r
+go\r
+setboard k2r3r/ppq2p1p/n1pb1Pp1/4p3/2Q5/1R2B1P1/PPP2PBP/R5K1 w - -\r
+solution Rxb7\r
+id "ECM.821"\r
+go\r
+setboard 1rb2rk1/p1p1qppp/2p2n2/3P4/1b3P2/2NB4/PPPBQ1PP/2KR3R b - -\r
+solution Ba3\r
+id "ECM.822"\r
+go\r
+setboard k7/pp1N4/4P3/5P2/8/5p2/1R6/B4Knq w - -\r
+solution Nb6+\r
+id "ECM.823"\r
+go\r
+setboard 4rrk1/p5pp/1p4q1/3p2n1/2pP2P1/P1P1PP2/3B2K1/1R2QR2 b - -\r
+solution Nxf3\r
+id "ECM.824"\r
+go\r
+setboard 1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - -\r
+solution Rxf6\r
+id "ECM.825"\r
+go\r
+setboard 1rbq2k1/b1p3pp/p1Pp4/3Ppr2/8/5N2/PPQ2PPP/R1B2RK1 b - -\r
+solution Rxf3\r
+id "ECM.826"\r
+go\r
+setboard 1r1q1r1k/2p3pp/1p1bQ3/p7/1PP5/Pn3B2/1B3PPP/R4RK1 b - -\r
+solution Rxf3\r
+id "ECM.827"\r
+go\r
+setboard r4rk1/2p1qpp1/p1p5/2Ppn2b/2PQ1N1p/4P3/PB3PPP/R4RK1 b - -\r
+solution Nf3+\r
+id "ECM.828"\r
+go\r
+setboard r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - -\r
+solution Nf6+\r
+id "ECM.829"\r
+go\r
+setboard 1n2r3/p1pq1kp1/1b1pNpp1/3P4/5RP1/3Q3P/1B3P2/6K1 w - -\r
+solution Bxf6\r
+id "ECM.830"\r
+go\r
+setboard r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - -\r
+solution Nf3+\r
+id "ECM.831"\r
+go\r
+setboard 3r1b2/p4bkp/1p1P1p2/r3p1p1/2q1N3/2N2P2/1P1R2PP/2QR3K w - -\r
+solution Nxf6\r
+id "ECM.832"\r
+go\r
+setboard rqbn1rk1/1p3ppp/p3p3/8/4NP2/8/PPP1BQPP/1K1R3R w - -\r
+solution Nf6+\r
+id "ECM.833"\r
+go\r
+setboard r1b1kb1r/1p4pp/p2ppn2/8/2qNP3/2N1B3/PPP3PP/R2Q1RK1 w kq -\r
+solution Rxf6\r
+id "ECM.834"\r
+go\r
+setboard 1rn5/p3Bk1p/1pq1bpp1/P3p3/1Q2P2P/2P3P1/5PB1/1R4K1 w - -\r
+solution Bxf6\r
+id "ECM.835"\r
+go\r
+setboard 2nr2k1/1pq1bppp/p1p5/2p1P1PQ/2P1NP2/1PNR4/P6P/6K1 w - -\r
+solution Nf6+\r
+id "ECM.836"\r
+go\r
+setboard 6nk/pn2qr1r/1pbp1p1p/2p1pPpN/P1P1P1PP/2PP3R/7Q/2BBK2R w K -\r
+solution Nxf6\r
+id "ECM.837"\r
+go\r
+setboard 7r/4p1k1/p3Pppp/1p6/3N1R2/3PQ2P/qr4b1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.838"\r
+go\r
+setboard r3k2r/1bq1bp2/p3p1pp/1p2P3/3NpP2/4B1Q1/PPP3PP/1K1R3R w kq -\r
+solution Nxe6\r
+id "ECM.839"\r
+go\r
+setboard rnbqkb1r/pp1n1p2/4p1p1/1N1pP2p/1P4Q1/3B1N2/P1PB1PPP/R3K2R w KQkq -\r
+solution Qxe6+\r
+id "ECM.840"\r
+go\r
+setboard r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq -\r
+solution Nxe6\r
+id "ECM.841"\r
+go\r
+setboard r1b1k1nr/3n1p1p/1qpBp1p1/pp2b3/4PN2/PBN2Q2/1PP2PPP/2KR3R w kq -\r
+solution Nxe6\r
+id "ECM.842"\r
+go\r
+setboard 2r2rk1/1b3ppp/pq2p3/1pbn2N1/3B3P/1B4P1/P1P1QP2/2KRR3 w - -\r
+solution Qh5\r
+id "ECM.843"\r
+go\r
+setboard r3k2r/pp1n1pb1/1qn1p1p1/2p3Pp/4R2P/2NP2QB/PPPB1P2/2K1R3 w kq -\r
+solution Rxe6+\r
+id "ECM.844"\r
+go\r
+setboard r3k2r/1q3ppp/p3p3/2b1P3/p2N1Q2/P7/1PP3PP/3R1R1K w kq -\r
+solution Nxe6\r
+id "ECM.845"\r
+go\r
+setboard 3qr1k1/rp3pbp/2p3p1/3p1b2/N1nP4/P2NP3/1PQ2PPP/1BRR2K1 b - -\r
+solution Rxe3\r
+id "ECM.846"\r
+go\r
+setboard rnbqkb1r/1p1n1pp1/p3p2p/3pP3/3p1NQP/2N5/P1PB1PP1/R3KB1R w KQkq -\r
+solution Nxe6\r
+id "ECM.847"\r
+go\r
+setboard 3r1b1R/3bkpp1/1p1np3/1BqpPPP1/PQ1N4/8/1PP5/1K6 w - -\r
+solution f6+\r
+id "ECM.848"\r
+go\r
+setboard 4r1k1/pp2n2p/1r1n1bp1/q2p1pB1/3P3N/P1NQ1P1P/1PP3R1/1K5R b - -\r
+solution Rxb2+\r
+id "ECM.849"\r
+go\r
+setboard 3r2k1/2p1bppp/4b3/p2pP3/qr1N1B1P/8/1PPQ2P1/1K1RR3 b - -\r
+solution Rxb2+\r
+id "ECM.850"\r
+go\r
+setboard 1k1r3r/ppR2ppp/1q2b3/1N6/4Q3/8/PP3PPP/4R1K1 w - -\r
+solution Rxb7+\r
+id "ECM.851"\r
+go\r
+setboard 1r3rk1/5pbp/p2Pp1p1/q1n3P1/2p2P1P/2N1Q2R/PP6/1BKR4 b - -\r
+solution Rxb2\r
+id "ECM.852"\r
+go\r
+setboard rr4k1/5p1p/n2p1npQ/q1pP4/6P1/2N2P1N/PP1R3P/2K4R b - -\r
+solution Rxb2\r
+id "ECM.853"\r
+go\r
+setboard 1k2bb1r/1p3p1p/p2qpP1p/3pN3/3P1Q2/2RB2P1/PP3P1P/6K1 w - -\r
+solution Qc1\r
+id "ECM.854"\r
+go\r
+setboard 1r4k1/1r3p2/p1p1b1pQ/q3P3/P7/bPN1R1P1/2P4P/1K1R1B2 b - -\r
+solution Bxb3\r
+id "ECM.855"\r
+go\r
+setboard 5rk1/5rp1/p2qb3/R2Np2Q/3bP2B/7P/P5PK/1R6 b - -\r
+solution Rf1\r
+id "ECM.856"\r
+go\r
+setboard 6k1/5p2/R3p1p1/1pq1PpB1/4nP2/5Q1P/P2r2PK/8 w - -\r
+solution Ra8+\r
+id "ECM.857"\r
+go\r
+setboard 3r1rk1/p3q1pp/2Rb4/3P4/8/1P2Qp2/PB3PPP/3R2K1 b - -\r
+solution Bxh2+\r
+id "ECM.858"\r
+go\r
+setboard 1r6/5pk1/p1b2qpp/P1P1n3/1N6/Q5NP/5PP1/3R2K1 b - -\r
+solution Bxg2\r
+id "ECM.859"\r
+go\r
+setboard 1r4k1/1q3pb1/r1b3p1/pp1Qp3/P3P3/1B2BP2/1PP3P1/1K1R3R w - -\r
+solution Qd8+\r
+id "ECM.860"\r
+go\r
+setboard 2R5/p3q1kp/6p1/3p4/b2P2p1/Pr4N1/5Q2/3K3R w - -\r
+solution Nf5+\r
+id "ECM.861"\r
+go\r
+setboard 3r4/kb6/pp6/4R1pr/PPpq4/2N3Q1/2P3PP/3R3K b - -\r
+solution Rf8\r
+id "ECM.862"\r
+go\r
+setboard 4r1k1/5p1p/4q1p1/8/Q5n1/3B2P1/P4P1P/2R3K1 b - -\r
+solution Nxf2\r
+id "ECM.863"\r
+go\r
+setboard 8/2q1np1k/6p1/1PPn3p/8/P2Q3P/6P1/2R4K b - -\r
+solution Nf5\r
+id "ECM.864"\r
+go\r
+setboard r1bq1rk1/ppp1n1bn/3p2p1/3Pp1Pp/1PP1Pp1P/2NN1P2/P3B3/R1BQ1RK1 b - -\r
+solution Nxg5\r
+id "ECM.865"\r
+go\r
+setboard 7R/1p1r4/2b2p2/2Pp1qk1/3P1bp1/3N4/2Q2PB1/6K1 w - -\r
+solution Rg8+\r
+id "ECM.866"\r
+go\r
+setboard r6r/1pn1b1k1/2p1pq2/2Pp3p/p2P1Pp1/P2BP1P1/1P2QB2/3R2KR w - -\r
+solution Rxh5\r
+id "ECM.867"\r
+go\r
+setboard 1r4k1/pp4pp/2n1b3/1Rq1p3/2P2r2/P1B2P2/2Q1B1PP/3R1K2 b - -\r
+solution Rxf3+\r
+id "ECM.868"\r
+go\r
+setboard 7k/1p4p1/2p4r/5p2/p1QP1q2/2P2PR1/r4P1P/4R2K b - -\r
+solution Rxh2+\r
+id "ECM.869"\r
+go\r
+setboard 1r3r2/6kp/3p1pp1/qnp1pP2/1p2P2N/3P4/PPPQ1P1P/1K1R2R1 w - -\r
+solution fxg6\r
+id "ECM.870"\r
+go\r
+setboard 5rk1/1rP3pp/p4n2/3Pp3/1P2Pq2/2Q4P/P5P1/R3R1K1 b - -\r
+solution Rxc7\r
+id "ECM.871"\r
+go\r
+setboard 2rq1rk1/5ppp/2b1pb2/np6/6N1/2NBB3/PP3PPP/R2Q2K1 w - -\r
+solution Bb6\r
+id "ECM.872"\r
+go\r
+setboard 5r2/p2p2kp/3PnNp1/1qr1Pp2/2p5/P1R5/6PP/2Q1R1K1 w - -\r
+solution Qh6+\r
+id "ECM.873"\r
+go\r
+setboard 2Qbq1k1/6p1/1p4Np/4p2P/3rP3/8/3p2PK/3R4 w - -\r
+solution Rf1\r
+id "ECM.874"\r
+go\r
+setboard 2kr1br1/ppp2p1p/2n1p1q1/2Nn4/3P4/1Q2PB2/PP1B1P1P/2R1K2R b K -\r
+solution Qg1+\r
+id "ECM.875"\r
+go\r
+setboard 2K5/6p1/kp2P3/1p6/1P6/2P1P2p/8/1r6 w - -\r
+solution e7\r
+id "ECM.876"\r
+go\r
+setboard 2kr3r/1Rp1bpp1/p6q/Q3P3/2P5/3p1NP1/P3P2P/1R4K1 b - -\r
+solution Qe3+\r
+id "ECM.877"\r
+go\r
+setboard 6k1/1R4pp/2p5/8/P1rNp3/6Pb/4PK2/8 w - -\r
+solution a5\r
+id "ECM.878"\r
+go\r
+setboard r2r2k1/pp3ppp/2q5/2p5/2P1P1n1/P4P1b/1BQ1BP1P/R3R2K b - -\r
+solution Rd2\r
+id "ECM.879"\r
+go\r
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ hash.c
+
+Abstract:
+
+ The main transposition table code. The table is a large range of
+ memory organized into lines (64 bytes). Each line contains four
+ entries that are 16 bytes each (index 0..3).
+
+ After a search, data about the position's score and the depth we
+ searched to determine this score can be stored in the hash table.
+ When information is stored a hash replacement scheme is used to
+ overwrite one of the four entries on a line.
+
+ Later, before embarking on a deep recursive search, we can check
+ the hash table to see if information relevant to this position
+ has been stored already (and can be reused). If so, we can avoid
+ repeating the same search and save time.
+
+ A hash entry is 16 bytes long and looks like this:
+
+ typedef struct _HASH_ENTRY
+ {
+ MOVE mv; // 0 1 2 3
+ UCHAR uDepth; // 4
+ UCHAR bvFlags; // 5 ==> d i r t | thr up low exact
+ signed short iValue; // 6 7
+ UINT64 u64Sig; // 8 9 A B C D E F == 16 bytes
+ } HASH_ENTRY;
+
+ The mv is the best move in a position. Even if we do not have a
+ deep enough uDepth recorded to cut off, mv is searched first.
+ uDepth is the depth searched to determine iValue. iValue is
+ either the exact score or a bound score -- depending on the
+ value of bvFlag's low order 4 bits. The high order 4 bits
+ in bvFlags holds "dirty" information to aide the hash replacement
+ scheme. Finally the u64Sig value is used to absolutely identify
+ the position to which the hash entry's information refers.
+
+ When screwing around with the hash code, turn on PERF_COUNTERS and
+ watch the hash hit rate (and usable hash hit rate). Also here is
+ Fine position #70 which is a great sanity check for hash code:
+
+ 8/k7/3p4/p2P1p2/P2P1P2/8/8/K7/ w - - 0 0 bm 1. Ka1-b1 Ka7-b7 2. Kb1-c1
+
+Author:
+
+
+Revision History:
+
+ $Id: hash.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+//
+// Hash entries are 16 bytes each and hash lines are 4 entries = 64
+// bytes. This is done on purpose so that a hash line fits in a cpu
+// cache line. My Athlons have 64 byte cache lines. To adjust this
+// for other processors, change the constant below.
+//
+#define CONVERT_SEARCH_DEPTH_TO_HASH_DEPTH(x) \
+ ASSERT(IS_VALID_DEPTH(x)); \
+ (x) >>= 4; \
+ ASSERT(((x) & 0xffffff00) == 0);
+
+#define HASH_ENTRY_IS_DIRTY(x) \
+ (((x).bvFlags & 0xF0) != g_cDirty)
+
+#undef ADJUST_MATE_IN_N
+
+#ifdef MP
+//
+// On MP builds we lock ranges of the hash table in order to mitigate
+// against two searcher threads colliding on the same entry at once.
+// I did not have a free bit to use in the hash entry so I lock every
+// 256th hash table entry at once.
+//
+#define NUM_HASH_LOCKS 256
+volatile static ULONG g_uHashLocks[NUM_HASH_LOCKS];
+#define HASH_IS_LOCKED(x) ((g_uHashLocks[(x)]) != 0)
+#define LOCK_HASH(x) \
+ AcquireSpinLock(&(g_uHashLocks[(x)])); \
+ ASSERT(HASH_IS_LOCKED(x));
+#define UNLOCK_HASH(x) \
+ ASSERT(HASH_IS_LOCKED(x)); \
+ ReleaseSpinLock(&(g_uHashLocks[(x)]));
+#else // no MP
+#define HASH_IS_LOCKED(x)
+#define LOCK_HASH(x)
+#define UNLOCK_HASH(x)
+#endif
+
+ULONG g_uHashTableSizeEntries = 0;
+ULONG g_uHashTableSizeBytes = 0;
+HASH_ENTRY *g_pHashTable = NULL;
+UCHAR g_cDirty = 0;
+
+void
+DirtyHashTable(void)
+/**
+
+Routine description:
+
+ The dirty pattern is bitwise ored onto the bvFlags part of a
+ hash table entry. Since the low nibble is used to hold flags
+ like upper bound, lower bound, exact score, and threat the
+ dirty indicator is limited to operating in the upper nibble
+ of bvFlags (giving it a range of 16 values)
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ASSERT((g_cDirty & 0x0F) == 0);
+ g_cDirty += 0x10;
+ ASSERT((g_cDirty & 0x0F) == 0);
+#ifdef TEST
+ if (g_Options.fShouldPost)
+ {
+ Trace("Hash table dirty char: 0x%02x\n", g_cDirty);
+ }
+#endif
+}
+
+
+void
+CleanupHashSystem(void)
+/**
+
+Routine description:
+
+ Cleanup the hash table by freeing the memory and zeroing some
+ variables. This is called before building an opening book in
+ order to free some virtual address space up.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != g_pHashTable)
+ {
+ ASSERT(g_uHashTableSizeBytes > 0);
+ SystemFreeMemory(g_pHashTable);
+ g_pHashTable = NULL;
+ g_uHashTableSizeBytes = 0;
+ g_uHashTableSizeEntries = 0;
+ }
+}
+
+FLAG
+InitializeHashSystem(void)
+/**
+
+Routine description:
+
+ Initialize the hash system... allocate the table and get everything
+ ready to go.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG uBytesToAlloc;
+
+ if (!IS_A_POWER_OF_2(g_Options.uNumHashTableEntries))
+ {
+ return(FALSE);
+ }
+ g_uHashTableSizeEntries = g_Options.uNumHashTableEntries;
+ if (g_uHashTableSizeEntries != 0)
+ {
+ ASSERT(g_pHashTable == NULL);
+ uBytesToAlloc = (sizeof(HASH_ENTRY) * g_uHashTableSizeEntries);
+ g_pHashTable = SystemAllocateMemory(uBytesToAlloc);
+ g_uHashTableSizeBytes = uBytesToAlloc;
+ ClearHashTable();
+#ifdef MP
+ memset((BYTE *)g_uHashLocks, 0, sizeof(g_uHashLocks));
+#endif
+ }
+ return(TRUE);
+}
+
+
+void
+ClearHashTable (void)
+/**
+
+Routine description:
+
+ Zero out the entire hash table. This function is called when a new
+ position is loaded into the root board.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != g_pHashTable)
+ {
+ g_cDirty = 0;
+ ASSERT(0 != g_uHashTableSizeBytes);
+ ASSERT(0 != g_uHashTableSizeEntries);
+ memset(g_pHashTable, 0, g_uHashTableSizeBytes);
+ }
+}
+
+
+//
+// (g_uHashTableSizeEntries) => 1000 0000 ... 0000
+// NUM_HASH_ENTRIES_PER_LINE => - 0100
+// ------------------------------------------------
+// 1111 1111 ... 1100 => Start of a hash line
+//
+#define KEY_TO_HASH_LINE_START(x) \
+ ((x) & (g_uHashTableSizeEntries - NUM_HASH_ENTRIES_PER_LINE))
+
+static HASH_ENTRY *
+_SelectHashLine(UINT64 u64Key)
+/**
+
+Routine description:
+
+ On an MP system, this routine locks part of the hash table, the
+ caller should do its thing and then unlock the locked portion of
+ the hash table by calling _DeselectHashLine(u64Key).
+
+Parameters:
+
+ UINT64 u64Key
+
+Return value:
+
+ static HASH_ENTRY
+
+**/
+{
+ ULONG uLow = (ULONG)(u64Key >> 32);
+ ULONG uLine = KEY_TO_HASH_LINE_START(uLow);
+#ifdef MP
+ ULONG uLock = (uLine >> 2) & (NUM_HASH_LOCKS - 1);
+ LOCK_HASH(uLock);
+ ASSERT(IS_A_POWER_OF_2(NUM_HASH_LOCKS));
+#endif
+ ASSERT(g_uHashTableSizeBytes != 0);
+ ASSERT(g_uHashTableSizeEntries != 0);
+ ASSERT(g_pHashTable != NULL);
+ ASSERT(IS_A_POWER_OF_2(g_uHashTableSizeEntries));
+ ASSERT(((g_uHashTableSizeEntries - NUM_HASH_ENTRIES_PER_LINE) &
+ (NUM_HASH_ENTRIES_PER_LINE - 1)) == 0);
+ return(&(g_pHashTable[uLine]));
+}
+
+#ifdef MP
+static void
+_DeselectHashLine(UINT64 u64Key)
+/**
+
+Routine description:
+
+ This releases the lock taken by _SelectHashLine
+
+Parameters:
+
+ UINT64 u64Key
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG uLow = (ULONG)(u64Key >> 32);
+ ULONG uLine = KEY_TO_HASH_LINE_START(uLow);
+ ULONG uLock = (uLine >> 2) & (NUM_HASH_LOCKS - 1);
+
+ ASSERT(IS_A_POWER_OF_2(NUM_HASH_LOCKS));
+ ASSERT(MP);
+ UNLOCK_HASH(uLock);
+}
+#endif
+
+
+static HASH_ENTRY *
+_SelectHashEntry(UINT64 u64Key,
+ ULONG uDepth,
+ ULONG uType,
+ SCORE iValue)
+/**
+
+Routine description:
+
+ This routine takes a lock. The caller should do its thing and then
+ release the lock by calling _DeselectHashEntry.
+
+Parameters:
+
+ UINT64 u64Key,
+ ULONG uDepth
+
+Return value:
+
+ static HASH_ENTRY
+
+**/
+{
+ HASH_ENTRY *pEntry;
+ HASH_ENTRY *pStore;
+
+ ASSERT(g_uHashTableSizeBytes != 0);
+ ASSERT(g_uHashTableSizeEntries != 0);
+ ASSERT(g_pHashTable != NULL);
+ ASSERT(IS_A_POWER_OF_2(g_uHashTableSizeEntries));
+
+ //
+ // _SelectHashLine takes a lock on MP builds.
+ //
+ pEntry = _SelectHashLine(u64Key);
+ ASSERT(pEntry != NULL);
+#ifdef DEBUG
+ pStore = NULL;
+#endif
+
+ //
+ // Note: Hash lines consist of four entries currently:
+ //
+ // 1. The first is a depth-priority hash entry (store here if you
+ // can beat the depth of what's already in there).
+ //
+ // 2. The second is an always-store hash entry (store here if you
+ // can't store in the depth-priority entry).
+ //
+ // 3. and 4. The last two entries are where we bump the data from
+ // the depth- priority table and always-store table when they are
+ // going to be overwritten by newer data.
+ //
+
+ //
+ // Replace the 0th entry on the line if:
+ //
+ // ...the new entry has greater depth
+ // ...the current entry is stale (from an old search)
+ //
+ if ((pEntry[0].uDepth <= uDepth) ||
+ HASH_ENTRY_IS_DIRTY(pEntry[0]))
+ {
+ //
+ // Do we need to back up the entry we will overwrite?
+ //
+ if ((pEntry[0].u64Sig != u64Key) ||
+ ((pEntry[0].bvFlags & HASH_FLAG_VALID_BOUNDS) != uType))
+ {
+ pEntry[2] = pEntry[0];
+ }
+ pStore = &(pEntry[0]);
+ goto end;
+ }
+
+ //
+ // We could not replace the depth priority 0th entry; instead,
+ // replace the "always replace" 1st entry on the line unless it
+ // contains mate information and is not stale.
+ //
+ if (((abs(pEntry[1].iValue >= +NMATE)) &&
+ (abs(iValue) < +NMATE)) &&
+ (!HASH_ENTRY_IS_DIRTY(pEntry[1])))
+ {
+ pStore = &(pEntry[3]);
+ goto end;
+ }
+ if ((pEntry[1].u64Sig != u64Key) ||
+ ((pEntry[1].bvFlags & HASH_FLAG_VALID_BOUNDS) != uType))
+ {
+ pEntry[3] = pEntry[1];
+ }
+ pStore = &(pEntry[1]);
+
+ end:
+ ASSERT(pStore != NULL);
+ return(pStore);
+}
+
+
+#ifdef MP
+static void
+_DeselectHashEntry(UINT64 u64Key)
+/**
+
+Routine description:
+
+ Releases the lock taken by _SelectHashEntry.
+
+Parameters:
+
+ UINT64 u64Key
+
+Return value:
+
+ static void
+
+**/
+{
+ _DeselectHashLine(u64Key); // this releases a lock
+}
+#endif
+
+
+void
+StoreUpperBound(//MOVE mvBest,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat)
+/**
+
+Routine description:
+
+ Store an upper bound in the hash table.
+
+Parameters:
+
+ MOVE mvBest : singular move from the node, if any
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat
+
+Return value:
+
+ void
+
+**/
+{
+ UINT64 u64Key;
+ HASH_ENTRY *pHash;
+
+ ASSERT(IS_VALID_SCORE(iValue));
+ ASSERT(IS_VALID_DEPTH(uDepth));
+
+ //
+ // It does not make sense to store hash positions that are worth
+ // at best ~INFINITY. Every position is and this is a waste of
+ // hash space. Ignore these.
+ //
+ if (iValue >= +NMATE) return;
+ if (NULL == g_pHashTable) return;
+
+ CONVERT_SEARCH_DEPTH_TO_HASH_DEPTH(uDepth);
+ u64Key = pos->u64NonPawnSig ^ pos->u64PawnSig;
+
+ //
+ // _SelectHashEntry takes a lock on MP builds
+ //
+ pHash = _SelectHashEntry(u64Key, uDepth, HASH_FLAG_UPPER, iValue);
+ ASSERT(pHash != NULL);
+ pHash->uDepth = (UCHAR)uDepth;
+ if (pHash->u64Sig != u64Key)
+ {
+ //
+ // Note: don't overwrite a good hash move with "none" if we
+ // are replacing a hash entry for the same position. Also
+ // if we are klobbering data about the same position save
+ // a memory write to update the (same) sig.
+ //
+ pHash->mv.uMove = 0;
+ pHash->u64Sig = u64Key;
+ }
+ ASSERT((g_cDirty & HASH_FLAG_UPPER) == 0);
+ pHash->bvFlags = g_cDirty | HASH_FLAG_UPPER;
+ ASSERT((pHash->bvFlags & 0xF0) == g_cDirty);
+ if (TRUE == fThreat)
+ {
+ ASSERT((pHash->bvFlags & HASH_FLAG_THREAT) == 0);
+ pHash->bvFlags |= HASH_FLAG_THREAT;
+ }
+
+ if (iValue <= -NMATE)
+ {
+ //
+ // If this is an upper bound near -INFINITY
+ // (i.e. ~-INFINITY at best) convert it into -NMATE at
+ // best (at best mate in N).
+ //
+ pHash->iValue = -NMATE;
+ }
+ else
+ {
+ //
+ // Otherwise hash the exact value.
+ //
+ ASSERT(iValue > -NMATE);
+ ASSERT(iValue < +NMATE);
+ pHash->iValue = (signed short)iValue;
+ }
+#ifdef MP
+ //
+ // Release the lock on MP builds
+ //
+ _DeselectHashEntry(u64Key);
+#endif
+}
+
+
+void
+StoreExactScore(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat,
+ ULONG uPly)
+/**
+
+Routine description:
+
+ Store a best move and its exact score in the hash table.
+
+Parameters:
+
+ MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat,
+ ULONG uPly
+
+Return value:
+
+ void
+
+**/
+{
+ HASH_ENTRY *pHash;
+ UINT64 u64Key;
+
+ ASSERT(IS_VALID_SCORE(iValue));
+ ASSERT(IS_VALID_DEPTH(uDepth));
+ if (NULL == g_pHashTable) return;
+
+ CONVERT_SEARCH_DEPTH_TO_HASH_DEPTH(uDepth);
+ u64Key = pos->u64NonPawnSig ^ pos->u64PawnSig;
+
+ //
+ // _SelectHashEntry takes a lock on MP builds.
+ //
+ pHash = _SelectHashEntry(u64Key, uDepth, HASH_FLAG_EXACT, iValue);
+ ASSERT(pHash != NULL);
+
+ //
+ // Populate the hash entry
+ //
+ pHash->uDepth = (UCHAR)uDepth;
+ ASSERT(mvBestMove.uMove);
+ pHash->mv.uMove = mvBestMove.uMove;
+ ASSERT((g_cDirty & HASH_FLAG_EXACT) == 0);
+ pHash->bvFlags = g_cDirty | HASH_FLAG_EXACT;
+ ASSERT((pHash->bvFlags & 0xF0) == g_cDirty);
+ if (TRUE == fThreat)
+ {
+ ASSERT((pHash->bvFlags & HASH_FLAG_THREAT) == 0);
+ pHash->bvFlags |= HASH_FLAG_THREAT;
+ }
+ pHash->u64Sig = u64Key;
+
+ if (iValue >= +NMATE)
+ {
+#ifdef ADJUST_MATE_IN_N
+ ASSERT((iValue + (int)uPly) < +INFINITY);
+ ASSERT((iValue + (int)uPly) > -INFINITY);
+ pHash->iValue = (signed short)(iValue + (int)uPly);
+#else
+ pHash->bvFlags = g_cDirty | HASH_FLAG_LOWER;
+ ASSERT((pHash->bvFlags & 0xF0) == g_cDirty);
+ pHash->iValue = +NMATE;
+#endif
+ }
+ else if (iValue <= -NMATE)
+ {
+#ifdef ADJUST_MATE_IN_N
+ ASSERT((iValue + (int)uPly) < +INFINITY);
+ ASSERT((iValue - (int)uPly) > -INFINITY);
+ pHash->iValue = (signed short)(iValue - (int)uPly);
+#else
+ pHash->bvFlags = g_cDirty | HASH_FLAG_UPPER;
+ ASSERT((pHash->bvFlags & 0xF0) == g_cDirty);
+ pHash->iValue = +NMATE;
+#endif
+ }
+ else
+ {
+ ASSERT(iValue > -NMATE);
+ ASSERT(iValue < +NMATE);
+ pHash->iValue = (short signed)iValue;
+ }
+#ifdef MP
+ //
+ // Release the lock on MP builds
+ //
+ _DeselectHashEntry(u64Key); // Release the lock
+#endif
+}
+
+
+void
+StoreLowerBound(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat)
+/**
+
+Routine description:
+
+ Store a lower bound score and move in the hash table.
+
+Parameters:
+
+ MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat
+
+Return value:
+
+ void
+
+**/
+{
+ HASH_ENTRY *pHash;
+ UINT64 u64Key;
+
+ ASSERT(IS_VALID_SCORE(iValue));
+ ASSERT(IS_VALID_DEPTH(uDepth));
+
+ //
+ // Do not bother to hash this node if it is telling us that the
+ // value of this position is worth at least ~-INFINITY. This is
+ // useless information and a waste of hash space.
+ //
+ if (iValue <= -NMATE) return;
+ if (NULL == g_pHashTable) return;
+
+ CONVERT_SEARCH_DEPTH_TO_HASH_DEPTH(uDepth);
+ u64Key = pos->u64NonPawnSig ^ pos->u64PawnSig;
+
+ //
+ // _SelectHashEntry takes a lock on MP builds
+ //
+ pHash = _SelectHashEntry(u64Key, uDepth, HASH_FLAG_LOWER, iValue);
+ ASSERT(pHash != NULL);
+
+ //
+ // Populate the entry
+ //
+ pHash->uDepth = (UCHAR)uDepth;
+ if ((mvBestMove.uMove) || (pHash->u64Sig != u64Key))
+ {
+ //
+ // Note: only overwrite the existing hash move if either we
+ // have a move (i.e. not null move) or the entry we are
+ // overwriting is for a different position.
+ //
+ pHash->mv.uMove = mvBestMove.uMove;
+ }
+ pHash->u64Sig = u64Key;
+ ASSERT((g_cDirty & HASH_FLAG_LOWER) == 0);
+ pHash->bvFlags = g_cDirty | HASH_FLAG_LOWER;
+ ASSERT((pHash->bvFlags & 0xF0) == g_cDirty);
+ pHash->bvFlags |= (HASH_FLAG_THREAT * (fThreat == TRUE));
+ if (iValue < +NMATE)
+ {
+ ASSERT(iValue < +NMATE);
+ ASSERT(iValue > -NMATE);
+ pHash->iValue = (signed short)iValue;
+ }
+ else
+ {
+ //
+ // If the value is greater than mate in N don't store how many
+ // moves N is because this depends on where in the search we
+ // have found this position. Just say that this position is
+ // worth at least mate in N.
+ //
+ pHash->iValue = +NMATE;
+ }
+#ifdef MP
+ //
+ // Release the lock on MP builds
+ //
+ _DeselectHashEntry(u64Key);
+#endif
+}
+
+
+MOVE
+GetPonderMove(POSITION *pos)
+/**
+
+Routine description:
+
+ Get a move to ponder.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ MOVE
+
+**/
+{
+ HASH_ENTRY *pHash;
+ ULONG x;
+ UINT64 u64Key = pos->u64NonPawnSig ^ pos->u64PawnSig;
+ MOVE mv;
+
+ mv.uMove = 0;
+ if (NULL == g_pHashTable) return(mv);
+
+ //
+ // _SelectHashLine takes a lock on MP builds
+ //
+ pHash = _SelectHashLine(u64Key);
+ for (x = 0;
+ x < NUM_HASH_ENTRIES_PER_LINE;
+ x++)
+ {
+ if (u64Key == pHash->u64Sig)
+ {
+ mv = pHash->mv;
+ if ((pHash->bvFlags & HASH_FLAG_VALID_BOUNDS) ==
+ HASH_FLAG_EXACT)
+ {
+ goto end;
+ }
+ }
+ }
+
+ end:
+#ifdef MP
+ //
+ // Release the lock.
+ //
+ _DeselectHashLine(u64Key);
+#endif
+ return(mv);
+}
+
+
+HASH_ENTRY *
+HashLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ ULONG uNextDepth,
+ SCORE iAlpha,
+ SCORE iBeta,
+ FLAG *pfThreat,
+ FLAG *pfAvoidNull,
+ MOVE *pHashMove,
+ SCORE *piScore)
+/**
+
+Routine description:
+
+ Lookup any information we have about the current position in the
+ hash table. Cutoff if we can.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ ULONG uNextDepth,
+ SCORE iAlpha,
+ SCORE iBeta,
+ FLAG *pfThreat,
+ FLAG *pfAvoidNull,
+ MOVE *pHashMove,
+ SCORE *piScore
+
+Return value:
+
+ HASH_ENTRY
+
+**/
+{
+ HASH_ENTRY *pHash;
+ ULONG x;
+ POSITION *pos = &(ctx->sPosition);
+ UINT64 u64Key = pos->u64NonPawnSig ^ pos->u64PawnSig;
+ ULONG uMoveScore = 0;
+ ULONG uThisScore;
+
+#define COMPUTE_MOVE_SCORE(mv, depth) \
+ ((depth) * 8 + PIECE_VALUE_OVER_100((mv).pCaptured) + 1)
+
+ ASSERT(IS_VALID_DEPTH(uDepth));
+ ASSERT(IS_VALID_DEPTH(uNextDepth));
+ ASSERT(uNextDepth <= uDepth);
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(pHashMove->uMove == 0);
+ ASSERT(NULL != g_pHashTable);
+ INC(ctx->sCounters.hash.u64Probes);
+
+ //
+ // These are out parameters for the caller, initialize them
+ // saying we don't know anything.
+ //
+ *pfAvoidNull = FALSE;
+ *pfThreat = FALSE;
+
+ CONVERT_SEARCH_DEPTH_TO_HASH_DEPTH(uDepth);
+ CONVERT_SEARCH_DEPTH_TO_HASH_DEPTH(uNextDepth);
+
+ //
+ // _SelectHashLine takes a lock on MP builds.
+ //
+ pHash = _SelectHashLine(u64Key);
+ for (x = 0;
+ x < NUM_HASH_ENTRIES_PER_LINE;
+ x++)
+ {
+ if (u64Key == pHash->u64Sig)
+ {
+ //
+ // This entry hit, make it "clean" so it is harder to replace
+ // later on.
+ //
+ pHash->bvFlags &= 0x0F;
+ ASSERT((g_cDirty & 0x0F) == 0);
+ pHash->bvFlags |= g_cDirty;
+ ASSERT((pHash->bvFlags & 0xF0) == g_cDirty);
+
+ //
+ // Parse the matching entry
+ //
+ *pfThreat |= ((pHash->bvFlags & HASH_FLAG_THREAT) > 0);
+
+ //
+ // If we have an exact match and sufficient depth to
+ // satisfy the depth to which we will later search after a
+ // nullmove, see if the known value of this node is less
+ // than beta. If so, doing nothing in this position will
+ // probably not be better than doing something therefore
+ // its not wise to perform the nullmove search. It's just
+ // a waste of nodes and time.
+ //
+ if ((pHash->uDepth >= uNextDepth) &&
+ ((pHash->bvFlags & HASH_FLAG_UPPER) ||
+ (pHash->bvFlags & HASH_FLAG_EXACT)) &&
+ (pHash->iValue < iBeta))
+ {
+ *pfAvoidNull = TRUE;
+ }
+
+ // Because we can encounter several moves while looking for
+ // a hash cutoff, have a semantic about which one we return
+ // to the search.
+ INC(ctx->sCounters.hash.u64OverallHits);
+ if (pHash->mv.uMove) {
+ uThisScore = COMPUTE_MOVE_SCORE(pHash->mv, uDepth);
+ ASSERT(uThisScore != 0);
+ if (uThisScore > uMoveScore) {
+ uMoveScore = uThisScore;
+ *pHashMove = pHash->mv;
+ ASSERT(SanityCheckMove(pos, pHash->mv));
+ }
+ }
+
+ //
+ // We have a hit, but is it useful?
+ //
+ if (pHash->uDepth >= uDepth)
+ {
+ switch (pHash->bvFlags & HASH_FLAG_VALID_BOUNDS)
+ {
+ case HASH_FLAG_EXACT:
+ *piScore = pHash->iValue;
+ INC(ctx->sCounters.hash.u64UsefulHits);
+ INC(ctx->sCounters.hash.u64ExactScoreHits);
+#ifdef ADJUST_MATE_IN_N
+ //
+ // Readjust mate in N scores.
+ //
+ if (pHash->iValue >= +NMATE)
+ {
+ *piScore -= (int)uPly;
+ }
+ else if (pHash->iValue <= -NMATE)
+ {
+ *piScore += (int)uPly;
+ }
+#endif
+ ASSERT(IS_VALID_SCORE(*piScore));
+ goto end;
+ break;
+
+ case HASH_FLAG_LOWER:
+ if (pHash->iValue >= iBeta)
+ {
+ INC(ctx->sCounters.hash.u64UsefulHits);
+ INC(ctx->sCounters.hash.u64LowerBoundHits);
+ *piScore = pHash->iValue;
+ ASSERT(IS_VALID_SCORE(*piScore));
+ goto end;
+ }
+ break;
+
+ case HASH_FLAG_UPPER:
+ if (pHash->iValue <= iAlpha)
+ {
+ INC(ctx->sCounters.hash.u64UsefulHits);
+ INC(ctx->sCounters.hash.u64UpperBoundHits);
+ *piScore = pHash->iValue;
+ ASSERT(IS_VALID_SCORE(*piScore));
+ goto end;
+ }
+ break;
+#ifdef DEBUG
+ default:
+ ASSERT(FALSE);
+ break;
+#endif
+ }
+ }
+ }
+ pHash++;
+ }
+ pHash = NULL;
+
+ end:
+#ifdef MP
+ //
+ // Release the lock.
+ //
+ _DeselectHashLine(u64Key);
+#endif
+ return(pHash);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ ics.c
+
+Abstract:
+
+ Routines to convert internal move structs into ICS (d2d4 style)
+ move strings and vice versa.
+
+ See also san.c.
+
+Author:
+
+
+Revision History:
+
+ $Id: ics.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+
+CHAR *
+MoveToIcs(MOVE mv)
+/**
+
+Routine description:
+
+ Convert a MOVE into an ICS ("d2d4" style) string. Note: not
+ thread safe.
+
+Parameters:
+
+ MOVE mv : the move to convert
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static char szTextMove[10];
+ char *p = szTextMove;
+
+ if (0 == mv.uMove)
+ {
+ return(NULL);
+ }
+ memset(szTextMove, 0, sizeof(szTextMove));
+
+ ASSERT(IS_ON_BOARD(mv.cFrom));
+ ASSERT(IS_ON_BOARD(mv.cTo));
+ *p++ = FILE(mv.cFrom) + 'a';
+ *p++ = RANK(mv.cFrom) + '0';
+ *p++ = FILE(mv.cTo) + 'a';
+ *p++ = RANK(mv.cTo) + '0';
+
+ if (mv.pPromoted)
+ {
+ if (IS_QUEEN(mv.pPromoted))
+ {
+ *p++ = 'Q';
+ }
+ else if (IS_ROOK(mv.pPromoted))
+ {
+ *p++ = 'R';
+ }
+ else if (IS_BISHOP(mv.pPromoted))
+ {
+ *p++ = 'B';
+ }
+ else if (IS_KNIGHT(mv.pPromoted))
+ {
+ *p++ = 'N';
+ }
+ else
+ {
+ ASSERT(FALSE);
+ return(NULL);
+ }
+ }
+ *p = 0;
+ return(szTextMove);
+}
+
+
+MOVE
+ParseMoveIcs(CHAR *szInput, POSITION *pos)
+/**
+
+Routine description:
+
+ Parse a move in ICS format (i.e. "d2d4") and create a MOVE struct.
+
+Parameters:
+
+ CHAR *szInput,
+ POSITION *pos
+
+Return value:
+
+ MOVE
+
+**/
+{
+ MOVE mv;
+ COOR cFrom, cTo;
+ PIECE pMoved, pCaptured, pProm;
+ CHAR *szMoveText = StripMove(szInput);
+ static CHAR *szPieces = "nbrq";
+ CHAR *p;
+
+ mv.uMove = 0;
+ if (InCheck(pos, pos->uToMove))
+ {
+ mv.bvFlags |= MOVE_FLAG_ESCAPING_CHECK;
+ }
+
+ cFrom = FILE_RANK_TO_COOR((tolower(szMoveText[0]) - 'a'),
+ (tolower(szMoveText[1]) - '0'));
+ cTo = FILE_RANK_TO_COOR((tolower(szMoveText[2]) - 'a'),
+ (tolower(szMoveText[3]) - '0'));
+
+ //
+ // check for castling moves in o-o style notation.
+ //
+ if ((!STRCMPI(szMoveText, "OO")) ||
+ (!STRCMPI(szMoveText, "00")) ||
+ (((E1 == cFrom) && (G1 == cTo)) &&
+ (pos->rgSquare[E1].pPiece == WHITE_KING)) ||
+ (((E8 == cFrom) && (G8 == cTo)) &&
+ (pos->rgSquare[E8].pPiece == BLACK_KING)))
+ {
+ if (pos->uToMove == WHITE)
+ {
+ if (pos->bvCastleInfo & CASTLE_WHITE_SHORT)
+ {
+ ASSERT(pos->rgSquare[E1].pPiece == WHITE_KING);
+ mv.uMove =
+ MAKE_MOVE(E1, G1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ }
+ }
+ else // black to move
+ {
+ if (pos->bvCastleInfo & CASTLE_BLACK_SHORT)
+ {
+ ASSERT(pos->rgSquare[E8].pPiece == BLACK_KING);
+ mv.uMove =
+ MAKE_MOVE(E8, G8, BLACK_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ }
+ }
+ goto done;
+ }
+ else if ((!STRCMPI(szMoveText, "OOO")) ||
+ (!STRCMPI(szMoveText, "000")) ||
+ (((E1 == cFrom) && (C1 == cTo)) &&
+ (pos->rgSquare[E1].pPiece == WHITE_KING)) ||
+ (((E8 == cFrom) && (C8 == cTo)) &&
+ (pos->rgSquare[E8].pPiece == BLACK_KING)))
+ {
+ if (pos->uToMove == WHITE)
+ {
+ if (pos->bvCastleInfo & CASTLE_WHITE_LONG)
+ {
+ ASSERT(pos->rgSquare[E1].pPiece == WHITE_KING);
+ mv.uMove =
+ MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ }
+ }
+ else // black to move
+ {
+ if (pos->bvCastleInfo & CASTLE_BLACK_LONG)
+ {
+ ASSERT(pos->rgSquare[E8].pPiece == BLACK_KING);
+ mv.uMove =
+ MAKE_MOVE(E8, C8, BLACK_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ }
+ }
+ goto done;
+ }
+
+ if ((!IS_ON_BOARD(cFrom)) ||
+ (!IS_ON_BOARD(cTo)))
+ {
+ goto illegal;
+ }
+
+ pMoved = pos->rgSquare[cFrom].pPiece;
+ if ((IS_EMPTY(pMoved)) || (GET_COLOR(pMoved) != pos->uToMove))
+ {
+ goto illegal;
+ }
+
+ pCaptured = pos->rgSquare[cTo].pPiece;
+ if ((pCaptured != 0) && (GET_COLOR(pCaptured) == pos->uToMove))
+ {
+ goto illegal;
+ }
+
+ mv.cFrom = cFrom;
+ mv.cTo = cTo;
+ mv.pMoved = pMoved;
+ mv.pCaptured = pCaptured;
+
+ if (IS_PAWN(pMoved))
+ {
+ //
+ // Promotion
+ //
+ if ((szMoveText[4] != 0) && (szMoveText[4] != '\n'))
+ {
+ if (IS_PAWN(mv.pMoved))
+ {
+ if (((BLACK == GET_COLOR(mv.pMoved)) && (RANK(cTo) != 1)) ||
+ ((WHITE == GET_COLOR(mv.pMoved)) && (RANK(cTo) != 8)))
+ {
+ goto illegal;
+ }
+ }
+ p = strchr(szPieces, tolower(szMoveText[4]));
+ if (NULL == p)
+ {
+ goto illegal;
+ }
+ pProm = (PIECE)((BYTE *)p - (BYTE *)szPieces);
+ pProm += 2;
+ pProm <<= 1;
+ pProm |= pos->uToMove;
+ mv.pPromoted = pProm;
+ mv.bvFlags = MOVE_FLAG_SPECIAL;
+ }
+
+ //
+ // Handle en passant captures.
+ //
+ if (cTo == pos->cEpSquare)
+ {
+ mv.bvFlags = MOVE_FLAG_SPECIAL;
+ if (WHITE == pos->uToMove)
+ {
+ mv.pCaptured = pos->rgSquare[cTo + 0x10].pPiece;
+ ASSERT(mv.pCaptured == BLACK_PAWN);
+ }
+ else
+ {
+ mv.pCaptured = pos->rgSquare[cTo - 0x10].pPiece;
+ ASSERT(mv.pCaptured == WHITE_PAWN);
+ }
+ }
+
+ //
+ // Handle double jumps.
+ //
+ if (abs(RANK(cTo) - RANK(cFrom)) > 1)
+ {
+ mv.bvFlags = MOVE_FLAG_SPECIAL;
+ }
+ }
+
+ done:
+ return(mv);
+
+ illegal:
+ mv.uMove = 0;
+ return(mv);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ input.c
+
+Abstract:
+
+ This module implements an input thread dedicated to watching for
+ user input on stdin and maintaining a queue of input events for
+ consumption by the main engine thread. Currently only the main
+ engine thread (and not helper threads) may consume user input
+ because: 1. I see no performance reason to make all threads able
+ to consume input and 2. it makes the locking assumptions easier.
+
+Author:
+
+
+Revision History:
+
+ $Id: input.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+DLIST_ENTRY g_InputEventList;
+volatile static ULONG g_uInputLock;
+extern CHAR g_szInitialCommand[SMALL_STRING_LEN_CHAR];
+
+#define INPUT_IS_LOCKED (g_uInputLock != 0)
+#define LOCK_INPUT \
+ AcquireSpinLock(&g_uInputLock); \
+ ASSERT(INPUT_IS_LOCKED);
+#define UNLOCK_INPUT \
+ ASSERT(INPUT_IS_LOCKED); \
+ ReleaseSpinLock(&g_uInputLock);
+volatile FLAG g_fExitProgram = FALSE;
+volatile ULONG g_uNumInputEvents;
+
+typedef struct _INPUT_EVENT
+{
+ DLIST_ENTRY links;
+ CHAR *szInput;
+}
+INPUT_EVENT;
+
+ULONG g_uBlockingInputLock = 0;
+
+static void
+_WaitUntilTheresInputToRead(void)
+{
+ if (g_uBlockingInputLock != (ULONG)-1)
+ {
+ SystemObtainSemaphoreResource(g_uBlockingInputLock);
+ SystemReleaseSemaphoreResource(g_uBlockingInputLock);
+ }
+ else
+ {
+ SystemDeferExecution(100);
+ }
+}
+
+
+static void
+_UnblockBlockedReaders(void)
+{
+ if (g_uBlockingInputLock != (ULONG)-1)
+ {
+ SystemReleaseSemaphoreResource(g_uBlockingInputLock);
+ }
+}
+
+
+static void
+_BlockBlockingReaders(void)
+{
+ if (g_uBlockingInputLock != (ULONG)-1)
+ {
+ SystemObtainSemaphoreResource(g_uBlockingInputLock);
+ }
+}
+
+
+void
+PushNewInput(CHAR *buf)
+/**
+
+Routine description:
+
+ Allocate a new input event for some user input and push it onto
+ the queue.
+
+Parameters:
+
+ CHAR *buf
+
+Return value:
+
+ void
+
+**/
+{
+ INPUT_EVENT *pEvent;
+ FLAG fDone = FALSE;
+ FLAG fInQuote, fSemi;
+ CHAR *p;
+ CHAR *q;
+
+ do
+ {
+ pEvent = (INPUT_EVENT *)SystemAllocateMemory(sizeof(INPUT_EVENT));
+
+ //
+ // Note: you can specify more than one command per line using
+ // a semi-colon to separate them. If the semi-colon is quoted,
+ // though, ignore it.
+ //
+ fInQuote = FALSE;
+ fSemi = FALSE;
+ p = buf;
+ do
+ {
+ switch(*p)
+ {
+ case ';':
+ if (FALSE == fInQuote)
+ {
+ *p = '\0';
+ fSemi = TRUE;
+ }
+ else
+ {
+ p++;
+ }
+ break;
+ case '"':
+ fInQuote = FLIP(fInQuote);
+ p++;
+ break;
+ case '\0':
+ fDone = TRUE;
+ break;
+ default:
+ p++;
+ break;
+ }
+ }
+ while((FALSE == fDone) && (FALSE == fSemi));
+ pEvent->szInput = STRDUP(buf);
+
+ //
+ // Push it onto the queue
+ //
+ LOCK_INPUT;
+ InsertTailList(&g_InputEventList, &(pEvent->links));
+ g_uNumInputEvents++;
+ if (g_uNumInputEvents == 1)
+ {
+ _UnblockBlockedReaders();
+ }
+ q = pEvent->szInput;
+ ASSERT(q);
+ while(*q && isspace(*q)) q++;
+#ifdef DEBUG
+ Trace("INPUT THREAD SAW (event %u): %s",
+ g_uNumInputEvents,
+ pEvent->szInput);
+#endif
+ if (!STRNCMPI("quit", q, 4))
+ {
+ g_fExitProgram = TRUE;
+ UNLOCK_INPUT;
+ return;
+ }
+ UNLOCK_INPUT;
+
+ buf = (p + 1);
+ }
+ while(FALSE == fDone);
+}
+
+
+static void
+_InitInputSystemCommonCode(void)
+/**
+
+Routine description:
+
+ Common code for initializing the input system (called whether we
+ are spawing an input thread or running in batch mode with no input
+ thread).
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ setbuf(stdout, NULL);
+ setbuf(stdin, NULL);
+ setbuf(stderr, NULL);
+
+ g_uBlockingInputLock = SystemCreateSemaphore(1);
+ if (g_uBlockingInputLock == (ULONG)-1)
+ {
+ Bug("_InitInputSystemCommonCode: Failed to create input semaphore.\n");
+ }
+ g_uNumInputEvents = 0;
+ _BlockBlockingReaders();
+ InitializeListHead(&g_InputEventList);
+ g_uInputLock = 0;
+ if (g_szInitialCommand[0] != '\0')
+ {
+ Trace("INPUT SYSTEM INIT: Pushing \"%s\"\n", g_szInitialCommand);
+ PushNewInput(g_szInitialCommand);
+ g_szInitialCommand[0] = '\0';
+ }
+}
+
+
+
+void
+InitInputSystemInBatchMode(void)
+/**
+
+Routine description:
+
+ User specified --batch on the cmdline... so don't spawn an input
+ thread. Just process the initial command.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ if (g_szInitialCommand[0] == '\0')
+ {
+ UtilPanic(INCONSISTENT_STATE,
+ NULL, "Batch mode specified with no initial command",
+ NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ _InitInputSystemCommonCode();
+}
+
+
+#ifdef USE_READLINE
+char *readline(const char *prompt);
+void add_history(const char *line);
+#endif
+
+ULONG
+InputThreadEntry(ULONG uUnused)
+/**
+
+Routine description:
+
+ The entry point of the input thread.
+
+Parameters:
+
+ ULONG uUnused
+
+Return value:
+
+ ULONG
+
+**/
+{
+ static CHAR buf[SMALL_STRING_LEN_CHAR];
+ INPUT_EVENT *pEvent;
+ DLIST_ENTRY *p;
+ FLAG fFailure;
+#ifdef USE_READLINE
+ CHAR *pReadline = NULL;
+#endif
+
+ while(TRUE != g_fExitProgram)
+ {
+ //
+ // Get another input
+ //
+ fFailure = FALSE;
+#ifdef USE_READLINE
+ memset(buf, 0, sizeof(buf));
+ pReadline = readline(NULL);
+ if (pReadline != NULL)
+ {
+ strncpy(buf, pReadline, sizeof(buf) - 1);
+ add_history(pReadline);
+ free(pReadline);
+ }
+ else
+ {
+ fFailure = TRUE;
+ }
+#else
+ if (NULL == fgets(buf, sizeof(buf), stdin))
+ {
+ fFailure = TRUE;
+ }
+#endif
+ if (fFailure == TRUE)
+ {
+ Trace("INPUT THREAD: got end-of-file on stdin, exiting.\n");
+ break;
+ }
+
+ //
+ // And push it onto the queue
+ //
+ PushNewInput(buf);
+ }
+ Trace("INPUT THREAD: thread terminating.\n");
+
+ //
+ // Free the queue
+ //
+ while(!IsListEmpty(&g_InputEventList))
+ {
+ p = RemoveHeadList(&g_InputEventList);
+ pEvent = CONTAINING_STRUCT(p, INPUT_EVENT, links);
+ SystemFreeMemory(pEvent->szInput);
+ SystemFreeMemory(pEvent);
+ }
+ g_uNumInputEvents = (ULONG)-1;
+ return(0);
+}
+
+
+ULONG
+InitInputSystemWithDedicatedThread(void)
+/**
+
+Routine description:
+
+ Initialize the input system with a dedicated input thread.
+
+Parameters:
+
+ void
+
+Return value:
+
+ ULONG
+
+**/
+{
+ ULONG uHandle = -1;
+
+ _InitInputSystemCommonCode();
+ if (FALSE == SystemCreateThread(InputThreadEntry,
+ 0,
+ &uHandle))
+ {
+ Bug("Failed to start input thread!\n");
+ uHandle = -1;
+ }
+ return(uHandle);
+}
+
+
+CHAR *
+PeekNextInput(void)
+/**
+
+Routine description:
+
+ Peek at what the next input event will be without consuming it.
+ Because only one thread can be consuming events from the queue at
+ a time (presumably the same thread that called this Peek function)
+ it should be safe to do this without a lock. But the overhead is
+ low so I lock here anyway.
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ INPUT_EVENT *p;
+ char *q = NULL;
+
+ LOCK_INPUT;
+ if (!IsListEmpty(&g_InputEventList))
+ {
+ p = CONTAINING_STRUCT(g_InputEventList.pFlink, INPUT_EVENT, links);
+ q = p->szInput;
+ }
+ UNLOCK_INPUT;
+ return(q);
+}
+
+
+CHAR *
+ReadNextInput(void)
+/**
+
+Routine description:
+
+ Read the next input (and dequeue it).
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ CHAR *pRet = NULL;
+ INPUT_EVENT *p;
+ DLIST_ENTRY *q;
+
+ LOCK_INPUT;
+ if (!IsListEmpty(&g_InputEventList))
+ {
+ q = RemoveHeadList(&g_InputEventList);
+ p = CONTAINING_STRUCT(q, INPUT_EVENT, links);
+ g_uNumInputEvents--;
+ if (g_uNumInputEvents == 0)
+ {
+ _BlockBlockingReaders();
+ }
+ pRet = p->szInput;
+ SystemFreeMemory(p);
+ }
+ UNLOCK_INPUT;
+ return(pRet);
+}
+
+
+CHAR *
+BlockingReadInput(void)
+/**
+
+Routine description:
+
+ Block waiting on the next input read.
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR
+
+**/
+{
+ CHAR *pCh = NULL;
+
+ do
+ {
+ _WaitUntilTheresInputToRead();
+ if (TRUE == g_fExitProgram)
+ {
+ if (-1 != g_uBlockingInputLock)
+ {
+ SystemDeleteSemaphore(g_uBlockingInputLock);
+ }
+ return(NULL);
+ }
+ pCh = ReadNextInput();
+ if (NULL != pCh)
+ {
+ if (strlen(pCh) > 0) break;
+ SystemFreeMemory(pCh);
+ }
+ }
+ while(1);
+ return(pCh);
+}
+
+ULONG
+NumberOfPendingInputEvents(void)
+/**
+
+Routine description:
+
+ How many input events are pending on the queue. Note: the value
+ returned is obviously potentially out of date the instant it gets
+ sent back to the caller...
+
+Parameters:
+
+ void
+
+Return value:
+
+ ULONG
+
+**/
+{
+ return(g_uNumInputEvents);
+}
--- /dev/null
+#!/usr/bin/perl
+
+@data = ( " main.o root.o search.o draw.o hash.o dynamic.o ",
+ " generate.o see.o move.o movesup.o ",
+ " eval.o pawnhash.o bitboard.o ",
+ " command.o script.o input.o vars.o util.o list.o fbsd.o gamelist.o ",
+ " board.o ics.o san.o fen.o book.o bench.o mersenne.o ",
+ " piece.o sig.o data.o probe.o egtb.o" );
+
+$num_permutations = factorial(scalar @data);
+for ($i = 0; $i < $num_permutations; $i++)
+{
+ open(OBJS, ">_object_files.$i") || die $!;
+ print OBJS "OBJS=\t\t";
+ my @permutation = @data[n2perm($i, $#data)];
+ print OBJS "@permutation\n";
+ close(OBJS);
+ system("cp _object_files.$i _objs_");
+ system("make");
+ system("cp typhoon typhoon.$i");
+}
+
+# Utility function: factorial with memoizing
+BEGIN {
+ my @fact = (1);
+sub factorial($) {
+ my $n = shift;
+ return $fact[$n] if defined $fact[$n];
+ $fact[$n] = $n * factorial($n - 1);
+}
+}
+
+# n2pat($N, $len) : produce the $N-th pattern of length $len
+sub n2pat
+{
+ my $i = 1;
+ my $N = shift;
+ my $len = shift;
+ my @pat;
+ while ($i <= $len + 1) { # Should really be just while ($N) { ...
+ push @pat, $N % $i;
+ $N = int($N/$i);
+ $i++;
+ }
+ return @pat;
+}
+
+# pat2perm(@pat) : turn pattern returned by n2pat() into
+# permutation of integers. XXX: splice is already O(N)
+sub pat2perm
+{
+ my @pat = @_;
+ my @source = (0 .. $#pat);
+ my @perm;
+ push @perm, splice(@source, (pop @pat), 1) while @pat;
+ return @perm;
+}
+
+# n2perm($N, $len) : generate the Nth permutation of $len objects
+sub n2perm {
+ pat2perm(n2pat(@_));
+}
--- /dev/null
+#!/usr/bin/perl
+
+opendir(DIR, ".") || die;
+@files = readdir(DIR);
+closedir(DIR);
+
+$max = 0;
+$maxpos = -1;
+$sum = 0;
+$min = 99999999;
+$minpos = -1;
+$count = 0;
+
+for $file(@files)
+{
+ if ($file =~ /(\d+)typhoon\.log/)
+ {
+ $num = $1;
+ open(FILE, $file);
+ while(<FILE>)
+ {
+ if (/\((\d+) nps\)\./)
+ {
+ $count++;
+ $speed = $1;
+ $sum += $speed;
+ if ($speed > $max)
+ {
+ $maxpos = $num;
+ $max = $speed;
+ }
+ if ($speed < $min)
+ {
+ $minpos = $num;
+ $min = $speed;
+ }
+ }
+ }
+ close(FILE);
+ }
+}
+
+printf "max $max at $maxpos, min $min at $minpos, avg %f\n", ($sum/$count);
--- /dev/null
+/*++
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ list.c
+
+Abstract:
+
+ Random doubly linked list helper routines.
+
+Author:
+
+
+Revision History:
+
+--*/
+
+#include "chess.h"
+
+INLINE void
+InitializeListHead(IN DLIST_ENTRY *pListHead)
+{
+ pListHead->pFlink = pListHead->pBlink = pListHead;
+}
+
+INLINE FLAG
+IsListEmpty(IN DLIST_ENTRY *pListHead)
+{
+ return (FLAG)(pListHead->pFlink == pListHead);
+}
+
+INLINE FLAG
+RemoveEntryList(IN DLIST_ENTRY *pEntry)
+{
+ DLIST_ENTRY *pBlink;
+ DLIST_ENTRY *pFlink;
+
+ pFlink = pEntry->pFlink;
+ pBlink = pEntry->pBlink;
+ pBlink->pFlink = pFlink;
+ pFlink->pBlink = pBlink;
+ return (FLAG)(pFlink == pBlink);
+}
+
+INLINE DLIST_ENTRY *
+RemoveHeadList(IN DLIST_ENTRY *pListHead)
+{
+ DLIST_ENTRY *pFlink;
+ DLIST_ENTRY *pEntry;
+
+ pEntry = pListHead->pFlink;
+ pFlink = pEntry->pFlink;
+ pListHead->pFlink = pFlink;
+ pFlink->pBlink = pListHead;
+
+ return(pEntry);
+}
+
+INLINE DLIST_ENTRY *
+RemoveTailList(IN DLIST_ENTRY *pListHead)
+{
+ DLIST_ENTRY *pBlink;
+ DLIST_ENTRY *pEntry;
+
+ pEntry = pListHead->pBlink;
+ pBlink = pEntry->pBlink;
+ pListHead->pBlink = pBlink;
+ pBlink->pFlink = pListHead;
+
+ return(pEntry);
+}
+
+INLINE void
+InsertTailList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry)
+{
+ DLIST_ENTRY *pBlink;
+
+ pBlink = pListHead->pBlink;
+ pEntry->pFlink = pListHead;
+ pEntry->pBlink = pBlink;
+ pBlink->pFlink = pEntry;
+ pListHead->pBlink = pEntry;
+}
+
+INLINE void
+InsertHeadList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry)
+{
+ DLIST_ENTRY *pFlink;
+
+ pFlink = pListHead->pFlink;
+ pEntry->pFlink = pFlink;
+ pEntry->pBlink = pListHead;
+ pFlink->pBlink = pEntry;
+ pListHead->pFlink = pEntry;
+}
--- /dev/null
+#if defined(SMP)
+
+# undef Pause
+# define Pause()
+
+/*
+ *******************************************************************************
+ * *
+ * this is a Microsoft windows-based operating system. *
+ * *
+ *******************************************************************************
+ */
+# if defined(_WIN32) || defined(_WIN64)
+
+# define pthread_attr_t HANDLE
+# define pthread_t HANDLE
+# define thread_t HANDLE
+
+extern pthread_t NumaStartThread(void *func, void *args);
+
+# if ((defined (_M_IA64) || defined (_M_AMD64)) && !defined(NT_INTEREX))
+
+# include <windows.h>
+
+# pragma intrinsic (_InterlockedExchange)
+
+typedef volatile LONG lock_t[1];
+
+# define LockInit(v) ((v)[0] = 0)
+# define LockFree(v) ((v)[0] = 0)
+# define Unlock(v) ((v)[0] = 0)
+
+__forceinline void Lock(volatile LONG * hPtr)
+{
+ int iValue;
+
+ for (;;) {
+ iValue = _InterlockedExchange((LPLONG) hPtr, 1);
+ if (0 == iValue)
+ return;
+ while (*hPtr);
+ }
+}
+
+# else /* NT non-Alpha/Intel, without assembler Lock() */
+
+# define lock_t volatile int
+# define LockInit(v) ((v) = 0)
+# define LockFree(v) ((v) = 0)
+# define Lock(v) do { \
+ while(InterlockedExchange((LPLONG)&(v),1) != 0); \
+ } while (0)
+# define Unlock(v) ((v) = 0)
+
+# endif /* architecture check */
+
+# else
+/*
+ *******************************************************************************
+ * *
+ * this is a Unix-based operating system. define the spinlock code as needed *
+ * for SMP synchronization. *
+ * *
+ *******************************************************************************
+ */
+
+# if defined(ALPHA)
+
+# include <machine/builtins.h>
+
+# define lock_t volatile long
+# define LockInit(v) ((v) = 0)
+# define LockFree(v) ((v) = 0)
+# define Lock(v) __LOCK_LONG(&(v))
+# define Unlock(v) __UNLOCK_LONG(&(v))
+
+# elif defined(POWERPC)
+ /* OS X */
+
+# include <libkern/OSAtomic.h>
+
+# define lock_t OSSpinLock
+# define LockInit(v) ((v) = 0)
+# define LockFree(v) ((v) = 0)
+# define Lock(v) OSSpinLockLock(&(v))
+# define Unlock(v) OSSpinLockUnlock(&(v))
+
+# else /* X86 */
+
+# undef Pause
+# define Pause() ({asm volatile ("pause");})
+
+static void __inline__ LockX86(volatile int *lock)
+{
+ int dummy;
+ asm __volatile__("1: movl $1, %0" "\n\t"
+ " xchgl (%1), %0" "\n\t" " testl %0, %0" "\n\t"
+ " jz 3f" "\n\t" "2: pause" "\n\t"
+ " movl (%1), %0" "\n\t" " testl %0, %0" "\n\t"
+ " jnz 2b" "\n\t" " jmp 1b" "\n\t" "3:"
+ "\n\t":"=&q"(dummy)
+ :"q"(lock)
+ :"cc");
+}
+
+static void __inline__ UnlockX86(volatile int *lock)
+{
+ int dummy;
+ asm __volatile__("movl $0, (%1)":"=&q"(dummy)
+ :"q"(lock));
+}
+
+# define LockInit(p) (p=0)
+# define LockFree(p) (p=0)
+# define Unlock(p) (UnlockX86(&p))
+# define Lock(p) (LockX86(&p))
+# define lock_t volatile int
+
+# endif
+
+# endif /* windows or unix */
+
+#else
+# define LockInit(p)
+# define LockFree(p)
+# define Lock(p)
+# define Unlock(p)
+#endif /* SMP code */
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ main.c
+
+Abstract:
+
+ Program entry point and setup code.
+
+Author:
+
+
+Revision History:
+
+ $Id: main.c 355 2008-07-01 15:46:43Z scott $
+
+**/
+
+#include "chess.h"
+
+FILE *g_pfLogfile = NULL;
+GAME_OPTIONS g_Options;
+CHAR g_szInitialCommand[SMALL_STRING_LEN_CHAR];
+ULONG g_uInputThreadHandle = (ULONG)-1;
+
+void
+Banner(void)
+/**
+
+Routine description:
+
+ Describe the compile/build options and program version.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ char *p;
+
+ Trace("Typhoon %s (built on %s %s):\n", VERSION, __DATE__, __TIME__);
+ Trace(" " REVISION);
+ Trace(" " COMPILER_STRING);
+ Trace(" Make profile used: %s\n", PROFILE);
+#ifdef MP
+ Trace(" Multiprocessor enabled; %u searcher thread%s\n",
+ g_Options.uNumProcessors, (g_Options.uNumProcessors > 1) ? "s" : "");
+#else
+ Trace(" Single processor version\n");
+#endif
+#ifdef DEBUG
+ Trace(" DEBUG build\n");
+#endif
+#ifdef TEST
+ Trace(" Testcode compiled in\n");
+#endif
+#ifdef EVAL_DUMP
+ Trace(" Evaluation terms\n");
+#endif
+#ifdef EVAL_TIME
+ Trace(" Evaluation timing\n");
+#endif
+#ifdef PERF_COUNTERS
+ Trace(" Performance counters\n");
+#ifdef TEST_NULL
+ Trace(" Testing nullmove prediction algorithms\n");
+#endif
+#endif
+#ifdef DUMP_TREE
+ Trace(" Search tree dumpfile generation enabled\n");
+#endif
+ Trace(" Hash sizes: %u Mb (main), %u Mb / thread (pawn), %u Mb / thread (eval)\n",
+ (g_uHashTableSizeEntries * sizeof(HASH_ENTRY)) / MB,
+ PAWN_HASH_TABLE_SIZE * sizeof(PAWN_HASH_ENTRY) / MB,
+ EVAL_HASH_TABLE_SIZE * sizeof(EVAL_HASH_ENTRY) / MB);
+ Trace(" QCheckPlies: %u\n", QPLIES_OF_NON_CAPTURE_CHECKS);
+ Trace(" FutilityBase: %u\n", FUTILITY_BASE_MARGIN);
+ p = ExportEvalDNA();
+ Trace(" Logging Eval DNA.\n");
+ Log(p);
+ free(p);
+#ifdef DO_IID
+ Trace(" IID R-factor: %u ply\n", IID_R_FACTOR / ONE_PLY);
+#endif
+}
+
+
+void
+EndLogging(void)
+/**
+
+Routine description:
+
+ Close the main logfile.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != g_pfLogfile) {
+ fflush(g_pfLogfile);
+ fflush(stdout);
+ fclose(g_pfLogfile);
+ g_pfLogfile = NULL;
+ }
+}
+
+
+FLAG
+BeginLogging(void)
+/**
+
+Routine description:
+
+ Open the main logfile.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (NULL != g_pfLogfile) {
+ EndLogging();
+ }
+ if (!strlen(g_Options.szLogfile) ||
+ !strcmp(g_Options.szLogfile, "-")) {
+ return(FALSE);
+ }
+
+ // If the logfile we want to write already exists, back it up.
+ if (TRUE == SystemDoesFileExist(g_Options.szLogfile)) {
+ VERIFY(BackupFile(g_Options.szLogfile));
+ }
+ ASSERT(FALSE == SystemDoesFileExist(g_Options.szLogfile));
+
+ g_pfLogfile = fopen(g_Options.szLogfile, "wb+");
+ if (NULL == g_pfLogfile) {
+ UtilPanic(INITIALIZATION_FAILURE,
+ (void *)"Can't open logfile",
+ (void *)&(g_Options.szLogfile),
+ (void *)"write",
+ NULL,
+ __FILE__, __LINE__);
+ }
+ return(TRUE);
+}
+
+
+FLAG
+PreGameReset(FLAG fResetBoard)
+/**
+
+Routine description:
+
+ Reset internal state between games.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (TRUE == fResetBoard)
+ {
+ SetRootToInitialPosition();
+ }
+ SetMyName();
+ ClearDynamicMoveOrdering();
+ ClearHashTable();
+ ResetOpeningBook();
+ return(TRUE);
+}
+
+
+static ULONG
+_ParseHashOption(char *p,
+ ULONG uEntrySize)
+{
+ ULONG u, v;
+ CHAR c;
+
+ if ((!STRCMPI(p, "none")) || (!STRCMPI(p, "no"))) return(0);
+ if (2 == sscanf(p, "%u%1c", &u, &c))
+ {
+ v = u;
+ switch(c)
+ {
+ case 'K':
+ case 'k':
+ u *= 1024;
+ break;
+ case 'M':
+ case 'm':
+ u *= 1024 * 1024;
+ break;
+ case 'G':
+ case 'g':
+ u *= 1024 * 1024 * 1024;
+ break;
+ default:
+ Trace("Error (unrecognized size): \"%s\"\n", p);
+ break;
+ }
+ if (u < v)
+ {
+ Trace("Error (size too large): \"%s\"\n", p);
+ u = v;
+ }
+ u /= uEntrySize;
+ }
+ else
+ {
+ u = (ULONG)atoi(p);
+ }
+
+ while(!IS_A_POWER_OF_2(u))
+ {
+ u &= (u - 1);
+ }
+ return(u);
+}
+
+
+
+void
+InitializeOptions(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Set global options to their initial state. This code also is
+ responsible for parsing the commandline in order to override the
+ default state of global options.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ void
+
+**/
+{
+ int i;
+
+ //
+ // Defaults
+ //
+ memset(&g_Options, 0, sizeof(g_Options));
+ g_szInitialCommand[0] = '\0';
+ g_Options.uMyClock = g_Options.uOpponentsClock = 600;
+ g_Options.fGameIsRated = FALSE;
+ g_Options.fOpponentIsComputer = FALSE;
+ g_Options.uSecPerMove = 0;
+ g_Options.uMaxDepth = MAX_PLY_PER_SEARCH - 1;
+ g_Options.fShouldPonder = TRUE;
+ g_Options.fPondering = g_Options.fThinking = FALSE;
+ g_Options.mvPonder.uMove = 0;
+ g_Options.fShouldPost = TRUE;
+ g_Options.fForceDrawWorthZero = FALSE;
+ g_Options.uMyIncrement = 0;
+ g_Options.uMovesPerTimePeriod = 0;
+ g_Options.szAnalyzeProgressReport[0] = '\0';
+ g_Options.fShouldAnnounceOpening = TRUE;
+ g_Options.eClock = CLOCK_NONE;
+ g_Options.eGameType = GAME_UNKNOWN;
+ g_Options.ePlayMode = FORCE_MODE;
+ g_Options.fNoInputThread = FALSE;
+ g_Options.fVerbosePosting = TRUE;
+ strcpy(g_Options.szEGTBPath, "/egtb/three;/etc/four;/egtb/five");
+ strcpy(g_Options.szLogfile, "typhoon.log");
+ strcpy(g_Options.szBookName, "book.bin");
+ g_Options.uNumHashTableEntries = 0x10000;
+ g_Options.uNumProcessors = 1;
+ g_Options.fStatusLine = TRUE;
+ g_Options.iResignThreshold = 0;
+ g_Options.u64MaxNodeCount = 0ULL;
+
+ i = 1;
+ while(i < argc)
+ {
+#ifdef MP
+ if ((!STRCMPI(argv[i], "--cpus")) && (argc > i))
+ {
+ g_Options.uNumProcessors = (ULONG)atoi(argv[i+1]);
+ if ((g_Options.uNumProcessors == 0) ||
+ (g_Options.uNumProcessors > 64))
+ {
+ g_Options.uNumProcessors = 2;
+ }
+ i++;
+ }
+ else
+#endif
+ if ((!STRCMPI(argv[i], "--command")) && (argc > i))
+ {
+ strncpy(g_szInitialCommand,
+ argv[i+1],
+ SMALL_STRING_LEN_CHAR - 2);
+ strcat(g_szInitialCommand, "\r\n");
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--hash")) && (argc > i))
+ {
+ g_Options.uNumHashTableEntries =
+ _ParseHashOption(argv[i+1],
+ sizeof(HASH_ENTRY));
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--egtbpath")) && (argc > i))
+ {
+ if (!strcmp(argv[i+1], "-")) {
+ g_Options.szEGTBPath[0] = '\0';
+ } else {
+ strncpy(g_Options.szEGTBPath, argv[i+1], SMALL_STRING_LEN_CHAR);
+ }
+ i++;
+ }
+ else if (!STRCMPI(argv[i], "--book") && argc > i)
+ {
+ if (!strcmp(argv[i+1], "-")) {
+ g_Options.szBookName[0] = '\0';
+ } else {
+ strncpy(g_Options.szBookName, argv[i+1], SMALL_STRING_LEN_CHAR);
+ }
+ i++;
+ }
+ else if (!STRCMPI(argv[i], "--batch"))
+ {
+ g_Options.fNoInputThread = TRUE;
+ }
+ else if ((!STRCMPI(argv[i], "--dnafile")) && (argc > i))
+ {
+ if (!ReadEvalDNA(argv[i+1]))
+ {
+ UtilPanic(INITIALIZATION_FAILURE,
+ (void *)"Bad DNA file",
+ (void *)&(argv[i+1]),
+ (void *)"read",
+ NULL,
+ __FILE__, __LINE__);
+ }
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--logfile")) && (argc > i))
+ {
+ strncpy(g_Options.szLogfile, argv[i+1],
+ SMALL_STRING_LEN_CHAR);
+ i++;
+ }
+ else if (!STRCMPI(argv[i], "--help")) {
+ Trace("Usage: %s [--batch] [--command arg] [--logfile arg] [--egtbpath arg]\n"
+ " [--dnafile arg] [--cpus arg] [--hash arg]\n\n"
+ " --batch : operate the engine without an input thread\n"
+ " --book : specify the opening book to use or '-' for none\n"
+ " --command : specify initial command(s) (requires arg)\n"
+ " --cpus : indicate the number of cpus to use (1..64)\n"
+ " --hash : indicate desired hash size (e.g. 16m, 1g)\n"
+ " --egtbpath : supplies the egtb path or '-' for none\n"
+ " --logfile : indicate desired output logfile name or '-' for none\n"
+ " --dnafile : indicate desired eval profile input (requres arg)\n\n"
+ "Example: %s --hash 256m --cpus 2\n"
+ " %s --logfile test.out --batch --command \"test\" --dnafile test.in\n", argv[0], argv[0], argv[0]);
+ exit(-1);
+ }
+ else
+ {
+ Trace("Error (unknown argument): \"%s\"; try --help\n", argv[i]);
+ }
+
+ //
+ // TODO: parse other commandline options and override above
+ //
+
+ i++;
+ }
+}
+
+
+void
+CleanupOptions(void)
+/**
+
+Routine description:
+
+ Cleanup options...
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ NOTHING;
+}
+
+
+FLAG
+MainProgramInitialization(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Perform main program initialization. This includes stuff like:
+ precomputing some data structures, resetting the global options,
+ parsing the commandline to override said options, and calling out
+ to other modules to tell them to initialize themselves.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ FLAG
+
+**/
+{
+ srand((unsigned int)time(0));
+ InitializeOptions(argc, argv);
+ InitializeTreeDump();
+ InitializeEGTB();
+ InitializeSigSystem();
+ InitializeInteriorNodeRecognizers();
+ InitializeSearchDepthArray();
+ InitializeWhiteSquaresTable();
+ InitializeVectorDeltaTable();
+ InitializeSwapTable();
+ InitializeDistanceTable();
+ InitializeOpeningBook();
+ InitializeDynamicMoveOrdering();
+ InitializeHashSystem();
+ InitializePositionHashSystem();
+#ifdef MP
+ InitializeParallelSearch();
+#endif
+ VERIFY(PreGameReset(TRUE));
+ (void)BeginLogging();
+ return TRUE;
+}
+
+
+FLAG
+MainProgramCleanup(void)
+/**
+
+Routine description:
+
+ Perform main program cleanup. Tear down the stuff we set up in
+ MainProgramInitialization.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CleanupOpeningBook();
+ CleanupEGTB();
+ CleanupDynamicMoveOrdering();
+#ifdef MP
+ CleanupParallelSearch();
+#endif
+ CleanupPositionHashSystem();
+ CleanupHashSystem();
+ CleanupTreeDump();
+ CleanupOptions();
+ EndLogging();
+ return(TRUE);
+}
+
+
+#ifdef TEST
+FLAG
+RunStartupProgramTest(void)
+/**
+
+Routine description:
+
+ If we built this version with -DTEST then this code is the start
+ of the self-test that runs at program startup time.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG u, x, y;
+
+#ifdef _X86_
+ Trace("Testing CPP macros...\n");
+ for (u = 0; u < 1000000; u++)
+ {
+ x = rand() * rand();
+ y = rand() * rand();
+ x = x & ~(0x80000000);
+ y = y & ~(0x80000000);
+
+ if (MAX(x, y) != MAXU(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "max maxu", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MAXU(x, y) != MAXU(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "maxu assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MIN(x, y) != MINU(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "min minu", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MINU(x, y) != MINU(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "minu assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (abs(x - y) != ABS_DIFF(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "abs_diff", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (ABS_DIFF(x, y) != ABS_DIFF(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "abs_diff assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+ }
+#endif
+
+ TestDraw();
+#ifdef EVAL_DUMP
+ TestEval();
+#endif
+ TestBitboards();
+ TestSan();
+ TestIcs();
+ TestGetAttacks();
+ TestMoveGenerator();
+ TestLegalMoveGenerator();
+ TestFenCode();
+ TestLiftPlaceSlidePiece();
+ TestExposesCheck();
+ TestIsAttacked();
+ TestMakeUnmakeMove();
+ TestSearch();
+
+ return(TRUE);
+}
+#endif // TEST
+
+
+
+void DeclareTerminalStates(GAME_RESULT result) {
+ switch(result.eResult) {
+ case RESULT_IN_PROGRESS:
+ return;
+ case RESULT_BLACK_WON:
+ Trace("0-1 {%s}\n", result.szDescription);
+ SetGameResultAndDescription(result);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_WHITE_WON:
+ Trace("1-0 {%s}\n", result.szDescription);
+ SetGameResultAndDescription(result);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_DRAW:
+ Trace("1/2-1/2 {%s}\n", result.szDescription);
+ Trace("tellics draw\n");
+ SetGameResultAndDescription(result);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_ABANDONED:
+ case RESULT_UNKNOWN:
+ ASSERT(FALSE);
+ SetGameResultAndDescription(result);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ }
+}
+
+
+// Main work loop
+void MainProgramLoop() {
+ POSITION pos;
+ GAME_RESULT result;
+ FLAG fThink;
+ FLAG fPonder;
+
+ while (!g_fExitProgram) {
+
+ // Prepare to search or ponder
+ memcpy(&pos, GetRootPosition(), sizeof(POSITION));
+ fThink = fPonder = FALSE;
+ result.eResult = RESULT_IN_PROGRESS;
+ result.szDescription[0] = '\0';
+
+ // What should we do?
+ switch(g_Options.ePlayMode) {
+ case I_PLAY_WHITE:
+ fThink = (pos.uToMove == WHITE);
+ fPonder = (pos.uToMove == BLACK);
+ break;
+ case I_PLAY_BLACK:
+ fThink = (pos.uToMove == BLACK);
+ fPonder = (pos.uToMove == WHITE);
+ break;
+ case FORCE_MODE:
+ default:
+ fThink = fPonder = FALSE;
+ break;
+ }
+
+ if (fThink) {
+ result = Think(&pos);
+ if ((NumberOfPendingInputEvents() != 0) &&
+ (FALSE == g_fExitProgram))
+ {
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ DeclareTerminalStates(result);
+ } else if (fPonder) {
+ if (g_Options.fShouldPonder) {
+ result = Ponder(&pos);
+ }
+ if (FALSE == g_fExitProgram)
+ {
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ DeclareTerminalStates(result);
+ } else {
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ }
+}
+
+
+int CDECL
+main(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Chess engine entry point and main loop.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ int CDECL
+
+**/
+{
+ // Initial setup work...
+ Trace("Setting up, please wait...\n");
+ if (FALSE == SystemDependentInitialization())
+ {
+ Trace("main: Operating system dependent init code failed, "
+ "aborting.\n");
+ exit(-1);
+ }
+ if (FALSE == MainProgramInitialization(argc, argv))
+ {
+ Trace("main: Main program init code failed, aborting.\n");
+ exit(-1);
+ }
+ Banner();
+#ifdef TEST
+ (void)RunStartupProgramTest();
+#endif
+ if (TRUE == g_Options.fNoInputThread)
+ {
+ InitInputSystemInBatchMode();
+ }
+ else
+ {
+ g_uInputThreadHandle = InitInputSystemWithDedicatedThread();
+ }
+
+ // Enter the main work loop code...
+ MainProgramLoop();
+
+ // If we get here g_fExitProgram is set -- clean up.
+ Trace("MAIN THREAD: thread terminating.\n");
+ if (FALSE == MainProgramCleanup())
+ {
+ Trace("main: Main program cleanup code failed, aborting.\n");
+ exit(-1);
+ }
+ exit(0);
+}
--- /dev/null
+//
+// This is the ``Mersenne Twister'' random number generator MT19937, which
+// generates pseudorandom integers uniformly distributed in 0..(2^32 - 1)
+// starting from any odd seed in 0..(2^32 - 1). This version is a recode
+// Takuji Nishimura (who had suggestions from Topher Cooper and Marc Rieffel in
+// July-August 1997).
+//
+// Effectiveness of the recoding (on Goedel2.math.washington.edu, a DEC Alpha
+// running OSF/1) using GCC -O3 as a compiler: before recoding: 51.6 sec. to
+// generate 300 million random numbers; after recoding: 24.0 sec. for the same
+// (i.e., 46.5% of original time), so speed is now about 12.5 million random
+// number generations per second on this machine.
+//
+// According to the URL <http://www.math.keio.ac.jp/~matumoto/emt.html>
+// (and paraphrasing a bit in places), the Mersenne Twister is ``designed
+// with consideration of the flaws of various existing generators,'' has
+// a period of 2^19937 - 1, gives a sequence that is 623-dimensionally
+// equidistributed, and ``has passed many stringent tests, including the
+// die-hard test of G. Marsaglia and the load test of P. Hellekalek and
+// S. Wegenkittl.'' It is efficient in memory usage (typically using 2506
+// to 5012 bytes of static data, depending on data type sizes, and the code
+// is quite short as well). It generates random numbers in batches of 624
+// at a time, so the caching and pipelining of modern systems is exploited.
+// It is also divide- and mod-free.
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Library General Public License as published by
+// the Free Software Foundation (either version 2 of the License or, at your
+// option, any later version). This library is distributed in the hope that
+// it will be useful, but WITHOUT ANY WARRANTY, without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+// the GNU Library General Public License for more details. You should have
+// received a copy of the GNU Library General Public License along with this
+// library; if not, write to the Free Software Foundation, Inc., 59 Temple
+// Place, Suite 330, Boston, MA 02111-1307, USA.
+//
+// The code as Shawn received it included the following notice:
+//
+// Copyright (C) 1997 Makoto Matsumoto and Takuji Nishimura. When
+// an appropriate reference to your work.
+//
+//
+
+//
+// Note: This code is used with permission
+//
+// $Id: mersenne.c 7 2004-07-01 15:46:42Z scott $
+//
+
+#include <stdio.h>
+#include <stdlib.h>
+
+//
+// uint32 must be an unsigned integer type capable of holding at least 32
+// bits; exactly 32 should be fastest, but 64 is better on an Alpha with
+// GCC at -O3 optimization so try your options and see what's best for you
+//
+
+#define N (624) // length of state vector
+#define M (397) // a period parameter
+#define K (0x9908B0DFU) // a magic constant
+#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
+#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
+#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
+#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
+
+static unsigned int state[N+1]; // state vector + 1 extra to not violate ANSI C
+static unsigned int *next; // next random value is computed from here
+static int left = -1; // can *next++ this many times before reloading
+
+
+void seedMT(unsigned int seed)
+{
+ //
+ // We initialize state[0..(N-1)] via the generator
+ //
+ // x_new = (69069 * x_old) mod 2^32
+ //
+ // from Line 15 of Table 1, p. 106, Sec. 3.3.4 of Knuth's
+ // _The Art of Computer Programming_, Volume 2, 3rd ed.
+ //
+ // Notes (SJC): I do not know what the initial state requirements
+ // of the Mersenne Twister are, but it seems this seeding generator
+ // could be better. It achieves the maximum period for its modulus
+ // (2^30) iff x_initial is odd (p. 20-21, Sec. 3.2.1.2, Knuth); if
+ // x_initial can be even, you have sequences like 0, 0, 0, ...;
+ // 2^31, 2^31, 2^31, ...; 2^30, 2^30, 2^30, ...; 2^29, 2^29 + 2^31,
+ // 2^29, 2^29 + 2^31, ..., etc. so I force seed to be odd below.
+ //
+ // Even if x_initial is odd, if x_initial is 1 mod 4 then
+ //
+ // the lowest bit of x is always 1,
+ // the next-to-lowest bit of x is always 0,
+ // the 2nd-from-lowest bit of x alternates ... 0 1 0 1 0 1 0 1 ... ,
+ // the 3rd-from-lowest bit of x 4-cycles ... 0 1 1 0 0 1 1 0 ... ,
+ // the 4th-from-lowest bit of x has the 8-cycle ... 0 0 0 1 1 1 1 0 ... ,
+ // ...
+ //
+ // and if x_initial is 3 mod 4 then
+ //
+ // the lowest bit of x is always 1,
+ // the next-to-lowest bit of x is always 1,
+ // the 2nd-from-lowest bit of x alternates ... 0 1 0 1 0 1 0 1 ... ,
+ // the 3rd-from-lowest bit of x 4-cycles ... 0 0 1 1 0 0 1 1 ... ,
+ // the 4th-from-lowest bit of x has the 8-cycle ... 0 0 1 1 1 1 0 0 ... ,
+ // ...
+ //
+ // The generator's potency (min. s>=0 with (69069-1)^s = 0 mod 2^32) is
+ // 16, which seems to be alright by p. 25, Sec. 3.2.1.3 of Knuth. It
+ // also does well in the dimension 2..5 spectral tests, but it could be
+ // better in dimension 6 (Line 15, Table 1, p. 106, Sec. 3.3.4, Knuth).
+ //
+ // Note that the random number user does not see the values generated
+ // here directly since reloadMT() will always munge them first, so maybe
+ // none of all of this matters. In fact, the seed values made here could
+ // even be extra-special desirable if the Mersenne Twister theory says
+ // so-- that's why the only change I made is to restrict to odd seeds.
+ //
+
+ register unsigned int x = (seed | 1U) & 0xFFFFFFFFU, *s = state;
+ register int j;
+
+ for(left=0, *s++=x, j=N; --j;
+ *s++ = (x*=69069U) & 0xFFFFFFFFU);
+}
+
+
+unsigned int
+reloadMT(void)
+{
+ register unsigned int *p0=state, *p2=state+2, *pM=state+M, s0, s1;
+ register int j;
+
+ if(left < -1)
+ seedMT(4357U);
+
+ left=N-1, next=state+1;
+
+ for(s0=state[0], s1=state[1], j=N-M+1; --j; s0=s1, s1=*p2++)
+ *p0++ = *pM++ ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ for(pM=state, j=M; --j; s0=s1, s1=*p2++)
+ *p0++ = *pM++ ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ s1=state[0], *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ s1 ^= (s1 >> 11);
+ s1 ^= (s1 << 7) & 0x9D2C5680U;
+ s1 ^= (s1 << 15) & 0xEFC60000U;
+ return(s1 ^ (s1 >> 18));
+}
+
+
+unsigned int randomMT(void)
+{
+ unsigned int y;
+
+ if(--left < 0)
+ return(reloadMT());
+
+ y = *next++;
+ y ^= (y >> 11);
+ y ^= (y << 7) & 0x9D2C5680U;
+ y ^= (y << 15) & 0xEFC60000U;
+ return(y ^ (y >> 18));
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ move.c
+
+Abstract:
+
+ Functions to make and unmake moves.
+
+Author:
+
+
+Revision History:
+
+ $Id: move.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+void
+SlidePiece(POSITION *pos, COOR cFrom, COOR cTo)
+/**
+
+Routine description:
+
+ Slide a piece (i.e. not a pawn) from cFrom to cTo. This is much
+ faster than LiftPiece / PlacePiece.
+
+Parameters:
+
+ POSITION *pos : the board
+ COOR cFrom : square moving from
+ COOR cTo : square moving to
+
+Return value:
+
+ void
+
+**/
+{
+ register PIECE p;
+ register ULONG c;
+ ULONG uIndex;
+
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(IS_EMPTY(pos->rgSquare[cTo].pPiece));
+#endif
+ p = pos->rgSquare[cFrom].pPiece;
+ pos->rgSquare[cFrom].pPiece = EMPTY;
+ ASSERT(!IS_PAWN(p));
+ ASSERT(IS_VALID_PIECE(p));
+ uIndex = pos->rgSquare[cFrom].uIndex;
+ c = GET_COLOR(p);
+ ASSERT(IS_VALID_COLOR(c));
+ ASSERT(pos->cNonPawns[c][uIndex] == cFrom);
+ pos->cNonPawns[c][uIndex] = cTo;
+ pos->u64NonPawnSig ^= g_u64SigSeeds[cFrom][PIECE_TYPE(p)][c];
+ pos->u64NonPawnSig ^= g_u64SigSeeds[cTo][PIECE_TYPE(p)][c];
+#ifdef DEBUG
+ if (IS_BISHOP(p) && (IS_SQUARE_WHITE(cFrom)))
+ {
+ ASSERT(IS_SQUARE_WHITE(cTo));
+ }
+#endif
+ pos->rgSquare[cTo].pPiece = p;
+ pos->rgSquare[cTo].uIndex = uIndex;
+#ifdef DEBUG
+ pos->rgSquare[cFrom].uIndex = INVALID_PIECE_INDEX;
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+}
+
+
+void
+SlidePawn(POSITION *pos, COOR cFrom, COOR cTo)
+/**
+
+Routine description:
+
+ Slide a pawn (i.e. not a piece) from cFrom to cTo. This is much
+ faster than LiftPiece / PlacePiece.
+
+Parameters:
+
+ POSITION *pos : the board
+ COOR cFrom : square moving from
+ COOR cTo : square moving to
+
+Return value:
+
+ void
+
+**/
+{
+ register PIECE p;
+ register ULONG c;
+ ULONG uIndex;
+
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(IS_EMPTY(pos->rgSquare[cTo].pPiece));
+#endif
+ p = pos->rgSquare[cFrom].pPiece;
+ pos->rgSquare[cFrom].pPiece = EMPTY;
+ ASSERT(IS_PAWN(p));
+ ASSERT(IS_VALID_PIECE(p));
+ uIndex = pos->rgSquare[cFrom].uIndex;
+ c = GET_COLOR(p);
+ ASSERT(IS_VALID_COLOR(c));
+ ASSERT(pos->cPawns[c][uIndex] == cFrom);
+ pos->cPawns[c][uIndex] = cTo;
+ pos->u64PawnSig ^= g_u64PawnSigSeeds[cFrom][c];
+ pos->u64PawnSig ^= g_u64PawnSigSeeds[cTo][c];
+ pos->rgSquare[cTo].pPiece = p;
+ pos->rgSquare[cTo].uIndex = uIndex;
+#ifdef DEBUG
+ pos->rgSquare[cFrom].uIndex = INVALID_PIECE_INDEX;
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+}
+
+
+void
+SlidePieceWithoutSigs(POSITION *pos, COOR cFrom, COOR cTo)
+/**
+
+Routine description:
+
+ Slide a piece (i.e. not a pawn) from cFrom to cTo. This is way
+ faster than LiftPiece / PlacePiece. Also note that this version
+ of the routine doesn't maintain the consistency of the position
+ signatures and should therefore only be called from UnmakeMove.
+
+Parameters:
+
+ POSITION *pos : the board
+ COOR cFrom : square moving from
+ COOR cTo : square moving to
+
+Return value:
+
+ void
+
+**/
+{
+ register PIECE p;
+ register ULONG c;
+ ULONG uIndex;
+
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(IS_EMPTY(pos->rgSquare[cTo].pPiece));
+#endif
+ p = pos->rgSquare[cFrom].pPiece;
+ pos->rgSquare[cFrom].pPiece = EMPTY;
+ ASSERT(IS_VALID_PIECE(p));
+ ASSERT(!IS_PAWN(p));
+ uIndex = pos->rgSquare[cFrom].uIndex;
+ c = GET_COLOR(p);
+ ASSERT(IS_VALID_COLOR(c));
+ ASSERT(pos->cNonPawns[c][uIndex] == cFrom);
+ pos->cNonPawns[c][uIndex] = cTo;
+ pos->rgSquare[cTo].pPiece = p;
+ pos->rgSquare[cTo].uIndex = uIndex;
+#ifdef DEBUG
+ pos->rgSquare[cFrom].uIndex = INVALID_PIECE_INDEX;
+#endif
+}
+
+
+void
+SlidePawnWithoutSigs(POSITION *pos, COOR cFrom, COOR cTo)
+/**
+
+Routine description:
+
+ Slide a pawn (i.e. not a piece) from cFrom to cTo. This is way
+ faster than LiftPiece / PlacePiece. Also note that this version
+ of the routine doesn't maintain the consistency of the position
+ signatures and should therefore only be called from UnmakeMove.
+
+Parameters:
+
+ POSITION *pos : the board
+ COOR cFrom : square moving from
+ COOR cTo : square moving to
+
+Return value:
+
+ void
+
+**/
+{
+ register PIECE p;
+ register ULONG c;
+ ULONG uIndex;
+
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(cFrom));
+ ASSERT(IS_ON_BOARD(cTo));
+ ASSERT(IS_EMPTY(pos->rgSquare[cTo].pPiece));
+#endif
+ p = pos->rgSquare[cFrom].pPiece;
+ pos->rgSquare[cFrom].pPiece = EMPTY;
+ ASSERT(IS_VALID_PIECE(p));
+ ASSERT(IS_PAWN(p));
+ uIndex = pos->rgSquare[cFrom].uIndex;
+ c = GET_COLOR(p);
+ ASSERT(IS_VALID_COLOR(c));
+ ASSERT(pos->cPawns[c][uIndex] == cFrom);
+ pos->cPawns[c][uIndex] = cTo;
+ pos->rgSquare[cTo].pPiece = p;
+ pos->rgSquare[cTo].uIndex = uIndex;
+#ifdef DEBUG
+ pos->rgSquare[cFrom].uIndex = INVALID_PIECE_INDEX;
+#endif
+}
+
+
+PIECE
+LiftPiece(POSITION *pos, COOR cSquare)
+/**
+
+Routine description:
+
+ Remove the piece at square cSquare from the board. Update POSITION
+ (piece lists, counts, material, etc...) accordingly.
+
+Parameters:
+
+ POSITION *pos,
+ COOR cSquare
+
+Return value:
+
+ PIECE
+
+**/
+{
+ register PIECE pLifted;
+ ULONG color;
+ register SCORE pv;
+ ULONG uLastIndex;
+ ULONG uIndex;
+ COOR c;
+ ULONG u;
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+ ASSERT(IS_ON_BOARD(cSquare));
+#endif
+ pLifted = pos->rgSquare[cSquare].pPiece;
+ if (IS_EMPTY(pLifted))
+ {
+ return(pLifted); // ok to return an empty square
+ }
+ pos->rgSquare[cSquare].pPiece = EMPTY;
+ ASSERT(IS_VALID_PIECE(pLifted));
+ ASSERT(!IS_KING(pLifted));
+ uIndex = pos->rgSquare[cSquare].uIndex;
+#ifdef DEBUG
+ ASSERT(IS_VALID_PIECE_INDEX(uIndex));
+ pos->rgSquare[cSquare].uIndex = INVALID_PIECE_INDEX;
+#endif
+ color = GET_COLOR(pLifted);
+ ASSERT(IS_VALID_COLOR(color));
+ pv = PIECE_VALUE(pLifted);
+ ASSERT(pv > 0);
+ pos->iMaterialBalance[color] -= pv;
+ pos->iMaterialBalance[FLIP(color)] += pv;
+ ASSERT(pos->iMaterialBalance[WHITE] * -1 == pos->iMaterialBalance[BLACK]);
+
+ if (IS_PAWN(pLifted))
+ {
+ ASSERT(pos->cPawns[color][uIndex] == cSquare);
+ ASSERT(pv == VALUE_PAWN);
+
+ pos->uPawnMaterial[color] -= pv;
+ ASSERT(pos->uPawnMaterial[color] <= (7 * VALUE_PAWN));
+
+ pos->u64PawnSig ^= g_u64PawnSigSeeds[cSquare][color];
+
+ //
+ // Remove this pawn from the pawn list.
+ //
+ pos->uPawnCount[color]--;
+ ASSERT(pos->uPawnCount[color] < 8);
+ uLastIndex = pos->uPawnCount[color];
+
+ //
+ // Assume that the pawn being lifted is not the last pawn on
+ // the list. We can't have a hole in the list so swap the
+ // last pawn on the list into this guy's spot.
+ //
+ c = pos->cPawns[color][uLastIndex];
+ pos->rgSquare[c].uIndex = uIndex;
+ pos->cPawns[color][uIndex] = c;
+#ifdef DEBUG
+ pos->cPawns[color][uLastIndex] = ILLEGAL_COOR;
+#endif
+ }
+ else
+ {
+ //
+ // Piece is not a pawn
+ //
+ ASSERT(pos->cNonPawns[color][uIndex] == cSquare);
+ ASSERT(pos->uNonPawnMaterial[color] >= VALUE_KING);
+ ASSERT(pv > VALUE_PAWN);
+ pos->uNonPawnMaterial[color] -= pv;
+ ASSERT(pos->uNonPawnMaterial[color] <= VALUE_MAX_ARMY);
+
+ //
+ // Remove this piece from the list.
+ //
+ pos->uNonPawnCount[color][0]--;
+ ASSERT(pos->uNonPawnCount[color] > 0);
+ uLastIndex = pos->uNonPawnCount[color][0]; // optimized...
+ //
+ // Assume that it is NOT the last piece in the list ... swap
+ // the last piece into this one's spot.
+ //
+ c = pos->cNonPawns[color][uLastIndex];
+ pos->rgSquare[c].uIndex = uIndex;
+ pos->cNonPawns[color][uIndex] = c;
+#ifdef DEBUG
+ pos->cNonPawns[color][uLastIndex] = ILLEGAL_COOR;
+#endif
+
+ //
+ // Change per-piece counters.
+ //
+ u = PIECE_TYPE(pLifted);
+ ASSERT((u >= KNIGHT) && (u < KING));
+ pos->u64NonPawnSig ^= g_u64SigSeeds[cSquare][u][color];
+ pos->uNonPawnCount[color][u]--;
+ ASSERT(pos->uNonPawnCount[color][u] <= 9);
+ pos->uWhiteSqBishopCount[color] -= (IS_BISHOP(pLifted) &
+ IS_SQUARE_WHITE(cSquare));
+ ASSERT(pos->uWhiteSqBishopCount[color] <= 9);
+ }
+
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+ return(pLifted);
+}
+
+
+PIECE
+LiftPieceWithoutSigs(POSITION *pos, COOR cSquare)
+/**
+
+Routine description:
+
+ Remove the piece at square cSquare from the board. Update POSITION
+ (piece lists, counts, material, etc...) accordingly.
+
+ Note: LiftPieceWithoutSigs can _only_ be called from UnmakeMove.
+ It is used to unmake a previously made move and therefore does
+ not worry about updating position signatures. UnmakeMove has
+ the pre-move signature in a history list and will klobber the
+ position signature soon anyway.
+
+Parameters:
+
+ POSITION *pos,
+ COOR cSquare
+
+Return value:
+
+ PIECE
+
+**/
+{
+ register PIECE pLifted;
+ ULONG color;
+ register SCORE pv;
+ ULONG uLastIndex;
+ ULONG uIndex;
+ COOR c;
+ ULONG u;
+
+ ASSERT(IS_ON_BOARD(cSquare));
+ pLifted = pos->rgSquare[cSquare].pPiece;
+ if (IS_EMPTY(pLifted))
+ {
+ return(pLifted); // ok to return an empty square
+ }
+ pos->rgSquare[cSquare].pPiece = EMPTY;
+ ASSERT(IS_VALID_PIECE(pLifted));
+ ASSERT(!IS_KING(pLifted));
+
+ uIndex = pos->rgSquare[cSquare].uIndex;
+#ifdef DEBUG
+ ASSERT(IS_VALID_PIECE_INDEX(uIndex));
+ pos->rgSquare[cSquare].uIndex = INVALID_PIECE_INDEX;
+#endif
+ color = GET_COLOR(pLifted);
+ ASSERT(IS_VALID_COLOR(color));
+ pv = PIECE_VALUE(pLifted);
+ ASSERT(pv > 0);
+ pos->iMaterialBalance[color] -= pv;
+ pos->iMaterialBalance[FLIP(color)] += pv;
+ ASSERT(pos->iMaterialBalance[WHITE] * -1 == pos->iMaterialBalance[BLACK]);
+
+ if (IS_PAWN(pLifted))
+ {
+ ASSERT(pos->cPawns[color][uIndex] == cSquare);
+ ASSERT(pv == VALUE_PAWN);
+
+ pos->uPawnMaterial[color] -= pv;
+ ASSERT(pos->uPawnMaterial[color] <= (7 * VALUE_PAWN));
+
+ //
+ // Remove this pawn from the pawn list.
+ //
+ pos->uPawnCount[color]--;
+ ASSERT(pos->uPawnCount[color] < 8);
+ uLastIndex = pos->uPawnCount[color]; // optimized...
+
+ //
+ // Assume that the pawn being lifted is not the last pawn on
+ // the list. We can't have a hole in the list so swap the
+ // last pawn on the list into this guy's spot.
+ //
+ c = pos->cPawns[color][uLastIndex];
+ pos->rgSquare[c].uIndex = uIndex;
+ pos->cPawns[color][uIndex] = c;
+#ifdef DEBUG
+ pos->cPawns[color][uLastIndex] = ILLEGAL_COOR;
+#endif
+ }
+ else
+ {
+ //
+ // Piece is not a pawn
+ //
+ ASSERT(pos->cNonPawns[color][uIndex] == cSquare);
+ ASSERT(pos->uNonPawnMaterial[color] >= VALUE_KING);
+ ASSERT(pv > VALUE_PAWN);
+ pos->uNonPawnMaterial[color] -= pv;
+ ASSERT(pos->uNonPawnMaterial[color] <= VALUE_MAX_ARMY);
+
+ //
+ // Remove this piece from the list.
+ //
+ pos->uNonPawnCount[color][0]--;
+ ASSERT(pos->uNonPawnCount[color] > 0);
+ uLastIndex = pos->uNonPawnCount[color][0]; // optimized...
+
+ //
+ // Assume that it is NOT the last piece in the list ... swap
+ // the last piece into this one's spot.
+ //
+ c = pos->cNonPawns[color][uLastIndex];
+ pos->rgSquare[c].uIndex = uIndex;
+ pos->cNonPawns[color][uIndex] = c;
+#ifdef DEBUG
+ pos->cNonPawns[color][uLastIndex] = ILLEGAL_COOR;
+#endif
+
+ //
+ // Change per-piece counters.
+ //
+ u = PIECE_TYPE(pLifted);
+ ASSERT((u >= KNIGHT) && (u < KING));
+ pos->uNonPawnCount[color][u]--;
+ ASSERT(pos->uNonPawnCount[color][u] <= 9);
+ pos->uWhiteSqBishopCount[color] -= (IS_BISHOP(pLifted) &
+ IS_SQUARE_WHITE(cSquare));
+ ASSERT(pos->uWhiteSqBishopCount[color] <= 9);
+ }
+
+ return(pLifted);
+}
+
+
+void
+PlacePiece(POSITION *pos, COOR cSquare, PIECE pPiece)
+/**
+
+Routine description:
+
+ Place a piece back on the board. Link it into the right piece list.
+
+Parameters:
+
+ POSITION *pos,
+ COOR cSquare,
+ PIECE pPiece
+
+Return value:
+
+ void
+
+**/
+{
+ register ULONG color = GET_COLOR(pPiece);
+ register ULONG uIndex;
+ register SCORE pv;
+ ULONG u;
+
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+ ASSERT(IS_EMPTY(pos->rgSquare[cSquare].pPiece));
+ ASSERT(!IS_KING(pPiece));
+#endif
+
+ pv = PIECE_VALUE(pPiece);
+ pos->iMaterialBalance[color] += pv;
+ pos->iMaterialBalance[FLIP(color)] -= pv;
+ ASSERT(pos->iMaterialBalance[WHITE] * -1 == pos->iMaterialBalance[BLACK]);
+
+ if (IS_PAWN(pPiece))
+ {
+ //
+ // Piece is a pawn
+ //
+ ASSERT(pv == VALUE_PAWN);
+ pos->uPawnMaterial[color] += pv;
+ ASSERT(pos->uPawnMaterial[color] <= (8 * VALUE_PAWN));
+
+ uIndex = pos->uPawnCount[color];
+ ASSERT((uIndex >= 0) && (uIndex <= 7));
+ pos->uPawnCount[color]++;
+ ASSERT(pos->uPawnCount[color] <= 8);
+ pos->cPawns[color][uIndex] = cSquare;
+ pos->u64PawnSig ^= g_u64PawnSigSeeds[cSquare][color];
+ }
+ else
+ {
+ //
+ // Piece is not a pawn
+ //
+ ASSERT(pv > VALUE_PAWN);
+ pos->uNonPawnMaterial[color] += pv;
+ ASSERT(pos->uNonPawnMaterial[color] <= VALUE_MAX_ARMY);
+ uIndex = pos->uNonPawnCount[color][0];
+ pos->uNonPawnCount[color][0]++;
+ ASSERT(pos->uNonPawnCount[color][0] <= 16);
+ pos->cNonPawns[color][uIndex] = cSquare;
+
+ u = PIECE_TYPE(pPiece);
+ ASSERT((u >= KNIGHT) && (u < KING));
+ pos->u64NonPawnSig ^= g_u64SigSeeds[cSquare][u][color];
+ pos->uNonPawnCount[color][u]++;
+ ASSERT(pos->uNonPawnCount[color][u] <= 10);
+
+ pos->uWhiteSqBishopCount[color] += (IS_BISHOP(pPiece) &
+ IS_SQUARE_WHITE(cSquare));
+ ASSERT(pos->uWhiteSqBishopCount[color] <= 10);
+ }
+
+ //
+ // Place the piece on the board
+ //
+ pos->rgSquare[cSquare].pPiece = pPiece;
+ pos->rgSquare[cSquare].uIndex = uIndex;
+
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+}
+
+
+void
+PlacePieceWithoutSigs(POSITION *pos, COOR cSquare, PIECE pPiece)
+/**
+
+Routine description:
+
+ Place a piece back on the board. Link it into the right piece list.
+
+ Note: PlacePieceWithoutSigs can _only_ be called from UnmakeMove.
+ It is used to unmake a previously made move and therefore does
+ not worry about updating position signatures. UnmakeMove has
+ the pre-move signature in a history list and will klobber the
+ position signature soon anyway.
+
+Parameters:
+
+ POSITION *pos,
+ COOR cSquare,
+ PIECE pPiece
+
+Return value:
+
+ void
+
+**/
+{
+ register ULONG color = GET_COLOR(pPiece);
+ register ULONG uIndex;
+ register SCORE pv;
+ ULONG u;
+
+ ASSERT(IS_EMPTY(pos->rgSquare[cSquare].pPiece));
+ ASSERT(!IS_KING(pPiece));
+
+ pv = PIECE_VALUE(pPiece);
+ pos->iMaterialBalance[color] += pv;
+ pos->iMaterialBalance[FLIP(color)] -= pv;
+ ASSERT(pos->iMaterialBalance[WHITE] * -1 == pos->iMaterialBalance[BLACK]);
+
+ if (IS_PAWN(pPiece))
+ {
+ //
+ // Piece is a pawn
+ //
+ ASSERT(pv == VALUE_PAWN);
+ pos->uPawnMaterial[color] += pv;
+ ASSERT(pos->uPawnMaterial[color] <= (8 * VALUE_PAWN));
+
+ uIndex = pos->uPawnCount[color];
+ ASSERT((uIndex >= 0) && (uIndex <= 7));
+ pos->uPawnCount[color]++;
+ ASSERT(pos->uPawnCount[color] <= 8);
+ pos->cPawns[color][uIndex] = cSquare;
+ }
+ else
+ {
+ //
+ // Piece is not a pawn
+ //
+ ASSERT(pv > VALUE_PAWN);
+ pos->uNonPawnMaterial[color] += pv;
+ ASSERT(pos->uNonPawnMaterial[color] <= VALUE_MAX_ARMY);
+ uIndex = pos->uNonPawnCount[color][0];
+ pos->uNonPawnCount[color][0]++;
+ ASSERT(pos->uNonPawnCount[color][0] <= 16);
+ pos->cNonPawns[color][uIndex] = cSquare;
+
+ u = PIECE_TYPE(pPiece);
+ ASSERT((u >= KNIGHT) && (u < KING));
+ pos->uNonPawnCount[color][u]++;
+ ASSERT(pos->uNonPawnCount[color][u] <= 10);
+
+ pos->uWhiteSqBishopCount[color] += (IS_BISHOP(pPiece) &
+ IS_SQUARE_WHITE(cSquare));
+ ASSERT(pos->uWhiteSqBishopCount[color] <= 10);
+ }
+
+ //
+ // Place the piece on the board
+ //
+ pos->rgSquare[cSquare].pPiece = pPiece;
+ pos->rgSquare[cSquare].uIndex = uIndex;
+}
+
+
+void
+SaveCurrentPositionHistoryInContext(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv)
+/**
+
+Routine description:
+
+ This routine is called just before MakeMove to record some
+ information about the current board position to help unmake the
+ move later. It's also used to detect draws in the search.
+
+ Note: when this function is called, ply has not been incremented.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uPly = ctx->uPly;
+ POSITION *pos = &(ctx->sPosition);
+ PLY_INFO *pi = &ctx->sPlyInfo[uPly];
+
+ //
+ // Save data about the position we are leaving.
+ //
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+ ASSERT((pos->u64NonPawnSig & 1) == pos->uToMove);
+ pi->u64NonPawnSig = pos->u64NonPawnSig;
+ pi->u64PawnSig = pos->u64PawnSig;
+ pi->u64Sig = (pos->u64NonPawnSig ^ pos->u64PawnSig);
+ pi->uFifty = pos->uFifty;
+ pi->fCastled[BLACK] = pos->fCastled[BLACK];
+ pi->fCastled[WHITE] = pos->fCastled[WHITE];
+ pi->uTotalNonPawns = (pos->uNonPawnCount[BLACK][0] +
+ pos->uNonPawnCount[WHITE][0]);
+ ASSERT(IS_VALID_FLAG(pos->fCastled[WHITE]) &&
+ IS_VALID_FLAG(pos->fCastled[BLACK]));
+ ASSERT((pos->bvCastleInfo & ~CASTLE_ALL_POSSIBLE) == 0);
+ pi->bvCastleInfo = pos->bvCastleInfo;
+ ASSERT(VALID_EP_SQUARE(pos->cEpSquare));
+ pi->cEpSquare = pos->cEpSquare;
+ (pi+1)->fInQsearch = pi->fInQsearch;
+}
+
+
+static ULONG g_uCastleMask[128] =
+{
+ 0x7, 0xF, 0xF, 0xF, 0x3, 0xF, 0xF, 0xB, 0,0,0,0,0,0,0,0,
+ 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0,0,0,0,0,0,0,0,
+ 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0,0,0,0,0,0,0,0,
+ 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0,0,0,0,0,0,0,0,
+ 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0,0,0,0,0,0,0,0,
+ 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0,0,0,0,0,0,0,0,
+ 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0,0,0,0,0,0,0,0,
+ 0xD, 0xF, 0xF, 0xF, 0xC, 0xF, 0xF, 0xE, 0,0,0,0,0,0,0,0
+};
+
+
+FLAG
+MakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv)
+/**
+
+Routine description:
+
+ Attempts to make MOVE mv on the POSITION in ctx. Returns TRUE if
+ the move was successful, FALSE if it was illegal. If the move was
+ successful, this function affects the POSITION (piece locations,
+ piece lists, castling perms, en-passant square, signatures etc...)
+ and also increments the ply in ctx. These changes can be reverted
+ at a later point by using UnmakeMove.
+
+ Note: This function only does a very limited amount of legality
+ checking in order to save time because it is designed to take
+ moves from the move generator (which will only make illegal moves
+ in certain, known ways). If the move is coming from the user
+ (and is therefore of dubious legality)) it should be passed to
+ MakeUserMove, not MakeMove. MakeUserMove verifies that it is a
+ legal chess move in every way.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+ MOVE mv
+
+Return value:
+
+ FLAG
+
+**/
+{
+ POSITION *pos = &ctx->sPosition;
+ PIECE pPiece;
+ PIECE pCaptured;
+ PIECE pPromoted;
+ COOR c;
+ COOR cRookFrom;
+ COOR cRookTo;
+ COOR cKing;
+ PIECE xPawn;
+ FLAG fMoveIsLegal = FALSE;
+ static int iSign[2] = { -1, +1 };
+
+#ifdef DEBUG
+ cRookFrom = cRookTo = ILLEGAL_COOR; // Satisfy overzealous compiler
+ VerifyPositionConsistency(pos, FALSE);
+ SanityCheckMove(pos, mv);
+ ASSERT(!InCheck(pos, FLIP(pos->uToMove)));
+ if (InCheck(pos, pos->uToMove))
+ {
+ ASSERT(IS_ESCAPING_CHECK(mv));
+ }
+#endif
+ SaveCurrentPositionHistoryInContext(ctx, mv);
+ if (mv.uMove == 0)
+ {
+ pos->uFifty++;
+ goto clear_ep;
+ }
+
+ pPiece = mv.pMoved;
+ pCaptured = mv.pCaptured;
+ ASSERT(!IS_EMPTY(pPiece));
+ ASSERT(pPiece == pos->rgSquare[mv.cFrom].pPiece);
+ ASSERT(GET_COLOR(pPiece) == pos->uToMove);
+
+ //
+ // Is this a special move? Special moves are: promotions, enpassant,
+ // castling and double pawn moves.
+ //
+ if (IS_SPECIAL_MOVE(mv))
+ {
+ if (IS_PAWN(pPiece))
+ {
+ pPromoted = mv.pPromoted;
+ if (pPromoted)
+ {
+ ASSERT(!IS_PAWN(pPromoted));
+ ASSERT(GET_COLOR(pPromoted) == GET_COLOR(pPiece));
+ pPiece = LiftPiece(pos, mv.cFrom);
+ pCaptured = LiftPiece(pos, mv.cTo);
+ ASSERT(!pCaptured || (OPPOSITE_COLORS(pCaptured, pPiece)));
+ PlacePiece(pos, mv.cTo, pPromoted);
+ pos->uFifty = 0;
+ goto update_castle_and_clear_ep;
+ }
+
+ //
+ // Is this an enpassant capture?
+ //
+ else if (pCaptured)
+ {
+ ASSERT(mv.cTo == pos->cEpSquare);
+ pCaptured = LiftPiece(pos, mv.cTo +
+ iSign[GET_COLOR(pPiece)] * 16);
+ ASSERT(IS_PAWN(pCaptured));
+ ASSERT(OPPOSITE_COLORS(pPiece, pCaptured));
+ ASSERT(IS_EMPTY(pos->rgSquare[mv.cTo].pPiece));
+ ASSERT(IS_PAWN(pPiece));
+ SlidePawn(pos, mv.cFrom, mv.cTo);
+ pos->uFifty = 0;
+ goto clear_ep;
+ }
+
+ //
+ // A special pawn move other than promotion and enpassant
+ // capture must be a double initial jump.
+ //
+ else
+ {
+ c = mv.cFrom;
+ c += (iSign[GET_COLOR(pPiece)] * -16);
+ ASSERT(RANK3(c) || RANK6(c));
+ ASSERT(c + (iSign[GET_COLOR(pPiece)] * -16) == mv.cTo);
+ ASSERT(IS_EMPTY(pos->rgSquare[c].pPiece));
+ ASSERT(IS_EMPTY(pos->rgSquare[mv.cTo].pPiece));
+ ASSERT(IS_PAWN(pPiece));
+ SlidePawn(pos, mv.cFrom, mv.cTo);
+ pos->uFifty = 0;
+
+ //
+ // Only change the position signature to reflect the
+ // possible en-passant if there's an enemy who can
+ // take advantage of it.
+ //
+ xPawn = BLACK_PAWN | FLIP(GET_COLOR(pPiece));
+ if (((!IS_ON_BOARD(mv.cTo - 1)) ||
+ (pos->rgSquare[mv.cTo - 1].pPiece != xPawn)) &&
+ ((!IS_ON_BOARD(mv.cTo + 1)) ||
+ (pos->rgSquare[mv.cTo + 1].pPiece != xPawn)))
+ {
+ goto clear_ep;
+ }
+ pos->u64NonPawnSig ^= g_u64EpSigSeeds[FILE(pos->cEpSquare)];
+ ASSERT(VALID_EP_SQUARE(c));
+ pos->cEpSquare = c;
+ pos->u64NonPawnSig ^= g_u64EpSigSeeds[FILE(pos->cEpSquare)];
+ goto update_board;
+ }
+ }
+ else if (IS_KING(pPiece))
+ {
+ ASSERT(!IS_ESCAPING_CHECK(mv));
+
+ //
+ // The only special king move is a castle.
+ //
+ switch (mv.cTo)
+ {
+ case C1:
+ ASSERT(pos->bvCastleInfo & CASTLE_WHITE_LONG);
+ ASSERT(IS_EMPTY(pos->rgSquare[B1].pPiece) &&
+ IS_EMPTY(pos->rgSquare[C1].pPiece) &&
+ IS_EMPTY(pos->rgSquare[D1].pPiece));
+ if ((IsAttacked(D1, pos, BLACK)) ||
+ (IsAttacked(C1, pos, BLACK)))
+ {
+ goto illegal;
+ }
+ cRookFrom = A1;
+ cRookTo = D1;
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->bvCastleInfo &= ~(WHITE_CAN_CASTLE);
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->fCastled[WHITE] = TRUE;
+ break;
+ case G1:
+ ASSERT(pos->bvCastleInfo & CASTLE_WHITE_SHORT);
+ ASSERT(IS_EMPTY(pos->rgSquare[F1].pPiece) &&
+ IS_EMPTY(pos->rgSquare[G1].pPiece));
+ if ((IsAttacked(F1, pos, BLACK)) ||
+ (IsAttacked(G1, pos, BLACK)))
+ {
+ goto illegal;
+ }
+ cRookFrom = H1;
+ cRookTo = F1;
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->bvCastleInfo &= ~(WHITE_CAN_CASTLE);
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->fCastled[WHITE] = TRUE;
+ break;
+ case C8:
+ ASSERT(pos->bvCastleInfo & CASTLE_BLACK_LONG);
+ ASSERT(IS_EMPTY(pos->rgSquare[B8].pPiece) &&
+ IS_EMPTY(pos->rgSquare[C8].pPiece) &&
+ IS_EMPTY(pos->rgSquare[D8].pPiece));
+ if ((IsAttacked(D8, pos, WHITE)) ||
+ (IsAttacked(C8, pos, WHITE)))
+ {
+ goto illegal;
+ }
+ cRookFrom = A8;
+ cRookTo = D8;
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->bvCastleInfo &= ~(BLACK_CAN_CASTLE);
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->fCastled[BLACK] = TRUE;
+ break;
+ case G8:
+ ASSERT(pos->bvCastleInfo & CASTLE_BLACK_SHORT);
+ ASSERT(IS_EMPTY(pos->rgSquare[F8].pPiece) &&
+ IS_EMPTY(pos->rgSquare[G8].pPiece));
+ if ((IsAttacked(F8, pos, WHITE)) ||
+ (IsAttacked(G8, pos, WHITE)))
+ {
+ goto illegal;
+ }
+ cRookFrom = H8;
+ cRookTo = F8;
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->bvCastleInfo &= ~(BLACK_CAN_CASTLE);
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->fCastled[BLACK] = TRUE;
+ break;
+#ifdef DEBUG
+ default:
+ cRookFrom = cRookTo = ILLEGAL_COOR;
+ ASSERT(FALSE);
+ goto illegal;
+#endif
+ }
+ ASSERT(IS_EMPTY(pos->rgSquare[mv.cTo].pPiece));
+ ASSERT(IS_ROOK(pos->rgSquare[cRookFrom].pPiece));
+ ASSERT(IS_EMPTY(pos->rgSquare[cRookTo].pPiece));
+ SlidePiece(pos, mv.cFrom, mv.cTo); // king
+ SlidePiece(pos, cRookFrom, cRookTo); // rook
+ pos->uFifty = 0;
+ goto clear_ep;
+ }
+#ifdef DEBUG
+ else
+ {
+ ASSERT(FALSE);
+ goto illegal;
+ }
+#endif
+ }
+
+ //
+ // Normal move or normal capture
+ //
+ pos->uFifty++;
+ if (pCaptured)
+ {
+ pos->uFifty = 0;
+ pCaptured = LiftPiece(pos, mv.cTo);
+ ASSERT(!IS_KING(pCaptured));
+ ASSERT(!IS_EMPTY(pCaptured));
+ ASSERT(OPPOSITE_COLORS(pCaptured, pPiece));
+ }
+ if (IS_PAWN(pPiece))
+ {
+ pos->uFifty = 0;
+ SlidePawn(pos, mv.cFrom, mv.cTo);
+ }
+ else
+ {
+ SlidePiece(pos, mv.cFrom, mv.cTo);
+ }
+
+ update_castle_and_clear_ep:
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ pos->bvCastleInfo &= g_uCastleMask[mv.cFrom];
+ pos->bvCastleInfo &= g_uCastleMask[mv.cTo];
+ pos->u64NonPawnSig ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+
+ clear_ep:
+ if (pos->cEpSquare != ILLEGAL_COOR)
+ {
+ pos->u64NonPawnSig ^= g_u64EpSigSeeds[FILE(pos->cEpSquare)];
+ pos->cEpSquare = ILLEGAL_COOR;
+ pos->u64NonPawnSig ^= g_u64EpSigSeeds[FILE(pos->cEpSquare)];
+ }
+
+ update_board:
+ //
+ // At this point we have made the move on the board (moved pieces,
+ // updated castling permissions, updated 50 move count, updated
+ // signature with respect to piece location etc...)
+ //
+ // Now we switch the side on move and flip a bit in the signature
+ // to indicate that it's the other side's turn now. We also
+ // record this position in the movelist (for later detection of
+ // repetition of position draws) and increment either the ply or
+ // move num.
+ //
+ pos->u64NonPawnSig ^= 1;
+ pos->uToMove = FLIP(pos->uToMove);
+ ASSERT((pos->u64NonPawnSig & 1) == pos->uToMove);
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH - 1);
+ ctx->sPlyInfo[ctx->uPly].mv = mv;
+ ctx->uPly++;
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+
+ //
+ // Make sure the move doesn't leave his own king in check.
+ //
+ if (mv.uMove != 0)
+ {
+ cKing = pos->cNonPawns[FLIP(pos->uToMove)][0];
+ ASSERT(IS_KING(pos->rgSquare[cKing].pPiece));
+
+ if (IS_KING(mv.pMoved) || IS_ESCAPING_CHECK(mv))
+ {
+ //
+ // If this guy just moved his king OR he was in check
+ // before making this move we need to do a full check
+ // check now... this involves using the attack vector
+ // table to test ALL pieces in the enemy army and see if
+ // they are attacking the just-moved king.
+ //
+ ASSERT(GET_COLOR(mv.pMoved) == FLIP(pos->uToMove));
+ if (InCheck(pos, GET_COLOR(mv.pMoved)))
+ {
+ goto takeback;
+ }
+ }
+
+ //
+ // else he did not move the king and he was not in check
+ // before he made this move. To determine if he is in check
+ // now should be cheaper because all we have to consider is
+ // whether the move he just made exposed his king to check.
+ //
+ else
+ {
+ //
+ // This call will also catch positions like:
+ //
+ // 3K4/8/8/8/1k1Pp1R1/8/8/8 w - d3 0 1
+ //
+ // ... where the black pawn capturing on d3 exposes his
+ // own king to the white rook's horizontal attack.
+ // Because the pawn captured en passant has already been
+ // lifted.
+ //
+ if (IS_ON_BOARD(ExposesCheck(pos, mv.cFrom, cKing)))
+ {
+ ASSERT(InCheck(pos, GET_COLOR(mv.pMoved)));
+ goto takeback;
+ }
+
+ //
+ // This is a special case -- if the move was enpassant the
+ // guy might have exposed his king to check by removing
+ // the enemy pawn (i.e. exposes a diagonal attack on his
+ // own king)
+ //
+ if (IS_ENPASSANT(mv))
+ {
+ ASSERT(IS_SPECIAL_MOVE(mv));
+ ASSERT(!IS_PROMOTION(mv));
+ ASSERT(mv.pCaptured);
+ ASSERT(IS_PAWN(mv.pMoved));
+ ASSERT(IS_PAWN(mv.pCaptured));
+ if (IS_ON_BOARD(ExposesCheck(pos,
+ ((pos->uToMove == WHITE) ?
+ (mv.cTo + 16) :
+ (mv.cTo - 16)),
+ cKing)))
+ {
+ ASSERT(InCheck(pos, GET_COLOR(mv.pMoved)));
+ goto takeback;
+ }
+ }
+ }
+ ASSERT(IS_EMPTY(pos->rgSquare[mv.cFrom].pPiece));
+ ASSERT(!IS_EMPTY(pos->rgSquare[mv.cTo].pPiece));
+ ASSERT((pos->rgSquare[mv.cTo].pPiece == mv.pMoved) ||
+ (pos->rgSquare[mv.cTo].pPiece == mv.pPromoted));
+ }
+ ASSERT(!InCheck(pos, GET_COLOR(mv.pMoved)));
+ fMoveIsLegal = TRUE;
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+ //
+ // Fall into illegal... but don't worry: we're legal!
+ //
+
+ illegal:
+ return(fMoveIsLegal);
+
+ takeback:
+ //
+ // If we goto here it means that the guy is trying to move into
+ // check. We didn't determine this until after we already made
+ // the whole move so we can't just return false (illegal move)
+ // from there. First we have to unmake the move we just made.
+ //
+ ASSERT(InCheck(pos, FLIP(pos->uToMove)));
+ UnmakeMove(ctx, mv);
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+ return(FALSE);
+}
+
+
+FLAG
+MakeUserMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mvUser)
+/**
+
+Routine description:
+
+ This function should be called to make a move of dubious quality.
+ The engine calls MakeMove directly for moves it generated itself
+ because these are _mostly_ legal. The only exceptions being:
+
+ 1. moves that expose the friendly king to check
+ 2. castles through check
+
+ This function is intended for moves from a user or ICS. It
+ screens these moves by first generating available moves at this
+ ply and making sure it looks like one of them. It returns
+ TRUE if the move is legal and was played, FALSE otherwise.
+
+ Both moves made with MakeMove and MakeUserMove can be unmade
+ with UnmakeMove.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mvUser
+
+Return value:
+
+ FLAG
+
+**/
+{
+ POSITION *pos = &ctx->sPosition;
+ FLAG fInCheck = InCheck(pos, pos->uToMove);
+ FLAG fRet = FALSE;
+ MOVE mv;
+ ULONG x;
+
+ //
+ // Ask the generator to give us a list of moves here
+ //
+ mv.uMove = 0;
+ GenerateMoves(ctx, mv, (fInCheck ? GENERATE_ESCAPES : GENERATE_ALL_MOVES));
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ mv = ctx->sMoveStack.mvf[x].mv;
+ if (IS_SAME_MOVE(mvUser, mv))
+ {
+ if (TRUE == MakeMove(ctx, mv))
+ {
+ fRet = TRUE;
+ goto end;
+ }
+ }
+ }
+
+ end:
+ return(fRet);
+}
+
+
+void
+UnmakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv)
+/**
+
+Routine description:
+
+ Reverses a move made by MakeMove.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv
+
+Return value:
+
+ void
+
+**/
+{
+ PIECE pPiece;
+ PIECE pCaptured;
+ PLY_INFO *pi;
+ POSITION *pos = &(ctx->sPosition);
+ static int iSign[2] = { -1, +1 };
+
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+ ASSERT(IS_ON_BOARD(mv.cTo));
+ ASSERT(IS_ON_BOARD(mv.cFrom));
+#endif
+ if (mv.uMove == 0)
+ {
+ goto restore_saved_position_data;
+ }
+
+ pPiece = mv.pMoved;
+ pCaptured = mv.pCaptured;
+ if (IS_CASTLE(mv))
+ {
+ ASSERT(IS_KING(pPiece));
+ ASSERT(IS_SPECIAL_MOVE(mv));
+
+ switch (mv.cTo)
+ {
+ case C1:
+ //
+ // No need to call SlidePiece here, the signatures will
+ // get reset to their pre-move state below
+ //
+ SlidePieceWithoutSigs(pos, D1, A1); // rook
+ SlidePieceWithoutSigs(pos, C1, E1); // king
+ ASSERT(IS_KING(pos->rgSquare[E1].pPiece));
+ ASSERT(IS_ROOK(pos->rgSquare[A1].pPiece));
+ break;
+ case G1:
+ SlidePieceWithoutSigs(pos, F1, H1); // rook
+ SlidePieceWithoutSigs(pos, G1, E1); // king
+ ASSERT(IS_KING(pos->rgSquare[E1].pPiece));
+ ASSERT(IS_ROOK(pos->rgSquare[H1].pPiece));
+ break;
+ case C8:
+ SlidePieceWithoutSigs(pos, D8, A8); // rook
+ SlidePieceWithoutSigs(pos, C8, E8); // king
+ ASSERT(IS_KING(pos->rgSquare[E8].pPiece));
+ ASSERT(IS_ROOK(pos->rgSquare[A8].pPiece));
+ break;
+ case G8:
+ SlidePieceWithoutSigs(pos, F8, H8); // rook
+ SlidePieceWithoutSigs(pos, G8, E8); // king
+ ASSERT(IS_KING(pos->rgSquare[E8].pPiece));
+ ASSERT(IS_ROOK(pos->rgSquare[H8].pPiece));
+ break;
+#ifdef DEBUG
+ default:
+ ASSERT(FALSE);
+ break;
+#endif
+ }
+ }
+ else
+ {
+ if (IS_PROMOTION(mv))
+ {
+ ASSERT(IS_SPECIAL_MOVE(mv));
+ ASSERT(mv.pPromoted);
+
+ //
+ // LiftPiece/PlacePiece must be done here to maintain
+ // piece list integrity.
+ //
+ (void)LiftPieceWithoutSigs(pos, mv.cTo);
+ pPiece |= 2;
+ pPiece &= 3;
+ ASSERT(pPiece == mv.pMoved);
+ PlacePieceWithoutSigs(pos, mv.cFrom, pPiece);
+ }
+ else
+ {
+ if (IS_PAWN(pPiece))
+ {
+ SlidePawnWithoutSigs(pos, mv.cTo, mv.cFrom);
+ }
+ else
+ {
+ SlidePieceWithoutSigs(pos, mv.cTo, mv.cFrom);
+ }
+ }
+
+ if (pCaptured)
+ {
+ //
+ // If this was an enpassant capture, put the pawn back to the
+ // right square.
+ //
+ if (IS_ENPASSANT(mv))
+ {
+ ASSERT(IS_SPECIAL_MOVE(mv));
+ ASSERT(IS_PAWN(mv.pMoved));
+ ASSERT(IS_PAWN(pCaptured));
+ ASSERT(IS_ON_BOARD(mv.cTo) + 16);
+ ASSERT(IS_ON_BOARD(mv.cTo) - 16);
+
+ //
+ // Resurrect the dead piece in the enpassant location
+ // where it died (not the same as where the killer moved).
+ //
+ ASSERT(IS_EMPTY(pos->rgSquare[mv.cTo + 16 *
+ iSign[GET_COLOR(mv.pMoved)]].pPiece));
+ PlacePieceWithoutSigs(pos,
+ mv.cTo + 16 * iSign[GET_COLOR(mv.pMoved)],
+ pCaptured);
+ }
+ else
+ {
+ //
+ // Normal capture... resurrect the dead piece where the
+ // killer moved.
+ //
+ ASSERT(IS_EMPTY(pos->rgSquare[mv.cTo].pPiece));
+ PlacePieceWithoutSigs(pos, mv.cTo, pCaptured);
+ }
+ }
+ }
+
+ restore_saved_position_data:
+ ctx->uPly--;
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+
+ pi = &ctx->sPlyInfo[ctx->uPly];
+ pos->u64NonPawnSig = pi->u64NonPawnSig;
+ pos->u64PawnSig = pi->u64PawnSig;
+ ASSERT((pos->u64NonPawnSig & WHITE) == FLIP(pos->uToMove));
+ pos->uFifty = pi->uFifty;
+ pos->fCastled[WHITE] = pi->fCastled[WHITE];
+ pos->fCastled[BLACK] = pi->fCastled[BLACK];
+ ASSERT((pi->bvCastleInfo & ~CASTLE_ALL_POSSIBLE) == 0);
+ pos->bvCastleInfo = pi->bvCastleInfo;
+ ASSERT(VALID_EP_SQUARE(pi->cEpSquare));
+ ASSERT(VALID_EP_SQUARE(pos->cEpSquare));
+ pos->cEpSquare = pi->cEpSquare;
+ pos->uToMove = FLIP(pos->uToMove);
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+}
+
+
+static char *
+_MoveFlagsToString(BITV bv)
+/**
+
+Routine description:
+
+ Support routing for DumpMove. Translates bvFlags component of a
+ MOVE into a nice string. Not thread safe.
+
+Parameters:
+
+ BITV bv
+
+Return value:
+
+ char
+
+**/
+{
+ static char buf[5];
+ char *p = buf;
+
+ if (bv & MOVE_FLAG_SPECIAL)
+ {
+ *p++ = 'S';
+ }
+ if (bv & MOVE_FLAG_ESCAPING_CHECK)
+ {
+ *p++ = 'E';
+ }
+ if (bv & MOVE_FLAG_CHECKING)
+ {
+ *p++ = '+';
+ }
+ if (bv & MOVE_FLAG_KILLERMATE)
+ {
+ *p++ = '!';
+ }
+ *p++ = '\0';
+ return(buf);
+}
+
+
+void
+DumpMove(ULONG u)
+/**
+
+Routine description:
+
+ Dump a move on stdout. This function takes a ULONG instead of a
+ MOVE becasue both gdb and msdev do not like to pass unions to
+ functions invoked at debugtime.
+
+Parameters:
+
+ ULONG u
+
+Return value:
+
+ void
+
+**/
+{
+ MOVE mv;
+
+ mv.uMove = u;
+ Trace("--------------------------------------------------------------------------------\n"
+ "MOVE:\n"
+ " +0x000 uMove : 0x%x\n"
+ " +0x000 cFrom <pos 0, 8 bits>: 0x%x (%s)\n",
+ mv.uMove,
+ mv.cFrom, CoorToString(mv.cFrom));
+ Trace(" +0x001 cTo <pos 0, 8 bits>: 0x%x (%s)\n"
+ " +0x002 pMoved <pos 0, 4 Bits>: 0x%x (%s)\n",
+ mv.cTo, CoorToString(mv.cTo),
+ mv.pMoved, PieceAbbrev(mv.pMoved));
+ Trace(" +0x002 pCaptured <pos 4, 4 Bits>: 0x%x (%s)\n",
+ mv.pCaptured, PieceAbbrev(mv.pCaptured));
+ Trace(" +0x003 pPromoted <pos 0, 4 Bits>: 0x%x (%s)\n",
+ mv.pPromoted, PieceAbbrev(mv.pPromoted));
+ Trace(" +0x003 bvFlags <pos 4, 4 Bits>: 0x%x (%s)\n",
+ mv.bvFlags, _MoveFlagsToString(mv.bvFlags));
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ movesup.c
+
+Abstract:
+
+ Functions to support MakeMove and UnmakeMove along with some other
+ miscellanious move support functions.
+
+Author:
+
+
+Revision History:
+
+ $Id: movesup.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+COOR
+FasterExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation)
+/**
+
+Routine description:
+
+ This is just like ExposesCheck (see below) but it does not bother
+ checking whether its possible to expose check with the piece at
+ cRemove because we already know it is.
+
+Parameters:
+
+ POSITION *pos,
+ COOR cRemove,
+ COOR cLocation
+
+Return value:
+
+ COOR
+
+**/
+{
+ register int iDelta;
+ register COOR cBlockIndex;
+ int iIndex;
+ PIECE xPiece;
+ ULONG uColor = GET_COLOR(pos->rgSquare[cLocation].pPiece);
+
+ ASSERT(IS_KING(pos->rgSquare[cLocation].pPiece));
+ iIndex = (int)cLocation - (int)cRemove;
+
+ ASSERT(IS_ON_BOARD(cRemove));
+ ASSERT(IS_ON_BOARD(cLocation));
+ ASSERT(!IS_EMPTY(pos->rgSquare[cLocation].pPiece));
+ ASSERT(0 != (CHECK_VECTOR_WITH_INDEX(iIndex, BLACK) & (1 << QUEEN)));
+
+ iDelta = CHECK_DELTA_WITH_INDEX(iIndex);
+ ASSERT(iDelta != 0);
+
+ for (cBlockIndex = cRemove + iDelta;
+ IS_ON_BOARD(cBlockIndex);
+ cBlockIndex += iDelta)
+ {
+ ASSERT(cBlockIndex != cRemove);
+ ASSERT(cBlockIndex != cLocation);
+ xPiece = pos->rgSquare[cBlockIndex].pPiece;
+ if (!IS_EMPTY(xPiece))
+ {
+ //
+ // Is it an enemy?
+ //
+ if (OPPOSITE_COLORS(xPiece, uColor))
+ {
+ //
+ // Does it move the right way to attack?
+ //
+ iIndex = (int)cBlockIndex - (int)cLocation;
+ if (0 != (CHECK_VECTOR_WITH_INDEX(iIndex, WHITE) &
+ (1 << (PIECE_TYPE(xPiece)))))
+ {
+ return(cBlockIndex);
+ }
+ }
+
+ //
+ // Either we found another friendly piece or an enemy piece
+ // that was unable to reach us. Either way we are safe.
+ //
+ return(ILLEGAL_COOR);
+ }
+ }
+
+ //
+ // We fell off the board without seeing another piece.
+ //
+ return(ILLEGAL_COOR);
+}
+
+
+
+COOR
+ExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation)
+/**
+
+Routine description:
+
+ Test if removing the piece at cRemove exposes the piece at
+ cLocation to attack by the other side. Note: there must be a
+ piece at cLocation because the color of that piece is used to
+ determine what side is "checking" and what side is "being
+ checked".
+
+Parameters:
+
+ POSITION *pos : the board
+ COOR cRemove : the square where a piece hypothetically removed from
+ COOR cLocation : the square where the attackee is sitting
+
+Return value:
+
+ COOR : the location of an attacker piece or 0x88 (!IS_ON_BOARD) if
+ the removal of cRemove does not expose check.
+
+**/
+{
+ register int iDelta;
+ register COOR cBlockIndex;
+ int iIndex;
+ PIECE xPiece;
+
+ ASSERT(IS_ON_BOARD(cRemove));
+ ASSERT(IS_ON_BOARD(cLocation));
+ ASSERT(!IS_EMPTY(pos->rgSquare[cLocation].pPiece));
+
+ iIndex = (int)cLocation - (int)cRemove;
+
+ //
+ // If there is no way for a queen sitting at the square removed to
+ // reach the square we are testing (i.e. the two squares are not
+ // on the same rank, file, or diagonal) then there is no way
+ // removing it can expose cLocation to check.
+ //
+ if (0 == (CHECK_VECTOR_WITH_INDEX(iIndex, BLACK) & (1 << QUEEN)))
+ {
+ return(ILLEGAL_COOR);
+ }
+ iDelta = CHECK_DELTA_WITH_INDEX(iIndex);
+ for (cBlockIndex = cLocation + iDelta;
+ IS_ON_BOARD(cBlockIndex);
+ cBlockIndex += iDelta)
+ {
+ if (cBlockIndex == cRemove)
+ {
+ continue;
+ }
+ xPiece = pos->rgSquare[cBlockIndex].pPiece;
+ if (!IS_EMPTY(xPiece))
+ {
+ //
+ // Is it an enemy?
+ //
+ if (OPPOSITE_COLORS(xPiece, pos->rgSquare[cLocation].pPiece))
+ {
+ //
+ // Does it move the right way to attack?
+ //
+ iIndex = (int)cBlockIndex - (int)cLocation;
+ if (0 != (CHECK_VECTOR_WITH_INDEX(iIndex, GET_COLOR(xPiece)) &
+ (1 << (PIECE_TYPE(xPiece)))))
+ {
+ return(cBlockIndex);
+ }
+ }
+
+ //
+ // Either we found another friendly piece or an enemy piece
+ // that was unable to reach us. Either way we are safe.
+ //
+ return(ILLEGAL_COOR);
+ }
+ }
+
+ //
+ // We fell off the board without seeing another piece.
+ //
+ return(ILLEGAL_COOR);
+}
+
+
+COOR
+ExposesCheckEp(POSITION *pos,
+ COOR cTest,
+ COOR cIgnore,
+ COOR cBlock,
+ COOR cKing)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ COOR cTest : The square from whence the attack comes
+ COOR cIgnore : Ignore this square, the pawn moved
+ COOR cBlock : This square is where the pawn moved to and now blocks
+ COOR cKing : The square under attack
+
+Return value:
+
+ COOR
+
+**/
+{
+ register int iDelta;
+ register COOR cBlockIndex;
+ int iIndex;
+ PIECE xPiece;
+
+ ASSERT(IS_ON_BOARD(cTest));
+ ASSERT(IS_ON_BOARD(cIgnore));
+ ASSERT(IS_ON_BOARD(cBlock));
+ ASSERT(IS_ON_BOARD(cKing));
+
+ iIndex = (int)cKing - (int)cTest;
+
+ //
+ // If there is no way for a queen sitting at the square removed to
+ // reach the square we are testing (i.e. the two squares are not
+ // on the same rank, file, or diagonal) then no problemo.
+ //
+ if (0 == (CHECK_VECTOR_WITH_INDEX(iIndex, BLACK) & (1 << QUEEN)))
+ {
+ return(ILLEGAL_COOR);
+ }
+
+ iDelta = CHECK_DELTA_WITH_INDEX(iIndex);
+ for (cBlockIndex = cKing + iDelta;
+ IS_ON_BOARD(cBlockIndex);
+ cBlockIndex += iDelta)
+ {
+ if (cBlockIndex == cTest) continue;
+ if (cBlockIndex == cIgnore) continue;
+ if (cBlockIndex == cBlock) return(ILLEGAL_COOR);
+
+ xPiece = pos->rgSquare[cBlockIndex].pPiece;
+ if (!IS_EMPTY(xPiece))
+ {
+ if (OPPOSITE_COLORS(xPiece, pos->rgSquare[cKing].pPiece))
+ {
+ //
+ // Does it move the right way to attack?
+ //
+ iIndex = (int)cBlockIndex - (int)cKing;
+ if (0 != (CHECK_VECTOR_WITH_INDEX(iIndex, GET_COLOR(xPiece)) &
+ (1 << (PIECE_TYPE(xPiece)))))
+ {
+ return(cBlockIndex);
+ }
+ }
+
+ //
+ // Either we found another friendly piece or an enemy piece
+ // that was unable to reach us. Either way we are safe.
+ //
+ return(ILLEGAL_COOR);
+ }
+ }
+
+ //
+ // We fell off the board without seeing another piece.
+ //
+ return(ILLEGAL_COOR);
+}
+
+
+FLAG
+IsAttacked(COOR cTest, POSITION *pos, ULONG uSide)
+/**
+
+Routine description:
+
+ Determine whether the square cTest is attacked by the side uSide.
+
+Parameters:
+
+ COOR cTest : the square we want to determine if is under attack
+ POSITION *pos : the board
+ ULONG uSide : the side we want to see if is attacking cTest
+
+Return value:
+
+ FLAG : TRUE if uSide attacks cTest, FALSE otherwise
+
+**/
+{
+ ULONG u;
+ PIECE pPiece;
+ COOR cLocation;
+ COOR cBlockIndex;
+ int iIndex;
+ int iDelta;
+ static int iPawnLoc[2] = { -17, +15 };
+ static PIECE pPawn[2] = { BLACK_PAWN, WHITE_PAWN };
+
+ ASSERT(IS_ON_BOARD(cTest));
+ ASSERT(IS_VALID_COLOR(uSide));
+ ASSERT((pos->uNonPawnCount[uSide][0] - 1) < 16);
+
+ //
+ // Begin at the end because the king is the 0th item in the list and
+ // we want to consider king moves last.
+ //
+ for (u = pos->uNonPawnCount[uSide][0] - 1;
+ u != (ULONG)-1;
+ u--)
+ {
+ cLocation = pos->cNonPawns[uSide][u];
+ ASSERT(IS_ON_BOARD(cLocation));
+ pPiece = pos->rgSquare[cLocation].pPiece;
+ ASSERT(!IS_EMPTY(pPiece));
+ ASSERT(!IS_PAWN(pPiece));
+ ASSERT(GET_COLOR(pPiece) == uSide);
+ iIndex = (int)cLocation - (int)cTest;
+
+ if (!(CHECK_VECTOR_WITH_INDEX(iIndex, uSide) &
+ (1 << (PIECE_TYPE(pPiece)))))
+ {
+ continue;
+ }
+
+ //
+ // These pieces do not slide, we don't need to look for
+ // blockers. If they can get there then there is nothing
+ // we can do to stop them.
+ //
+ if (IS_KNIGHT(pPiece) || IS_KING(pPiece))
+ {
+ return(TRUE);
+ }
+
+ //
+ // Well, here we have a sliding piece (bishop, rook or queen)
+ // that is on the same line (file, rank or diagonal) as the
+ // cTest. We now have to see if the attacker (pPiece) is
+ // blocked or is free to attack cTest.
+ //
+ iDelta = NEG_DELTA_WITH_INDEX(iIndex);
+ for (cBlockIndex = cTest + iDelta;
+ cBlockIndex != cLocation;
+ cBlockIndex += iDelta)
+ {
+ if (!IS_EMPTY(pos->rgSquare[cBlockIndex].pPiece))
+ {
+ break;
+ }
+ }
+ if (cBlockIndex == cLocation)
+ {
+ return(TRUE);
+ }
+ }
+
+ //
+ // Check the locations a pawn could attack cTest from.
+ //
+ cLocation = cTest + iPawnLoc[uSide];
+ if (IS_ON_BOARD(cLocation) &&
+ (pos->rgSquare[cLocation].pPiece == pPawn[uSide]))
+ {
+ return(TRUE);
+ }
+
+ cLocation += 2;
+ if (IS_ON_BOARD(cLocation) &&
+ (pos->rgSquare[cLocation].pPiece == pPawn[uSide]))
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+FLAG
+InCheck(POSITION *pos, ULONG uSide)
+/**
+
+Routine description:
+
+ Determine if a side is in check or not.
+
+Parameters:
+
+ POSITION *pos : the board
+ ULONG uSide : the side we want to determine if is in check
+
+Return value:
+
+ FLAG : TRUE if side is in check, FALSE otherwise.
+
+**/
+{
+ COOR cKingLoc;
+#ifdef DEBUG
+ PIECE pKing;
+#endif
+
+ ASSERT(IS_VALID_COLOR(uSide));
+
+ cKingLoc = pos->cNonPawns[uSide][0];
+#ifdef DEBUG
+ pKing = pos->rgSquare[cKingLoc].pPiece;
+ ASSERT(IS_KING(pKing));
+ ASSERT(IS_VALID_COLOR(uSide));
+ ASSERT(GET_COLOR(pKing) == uSide);
+#endif
+ return(IsAttacked(cKingLoc, pos, FLIP(uSide)));
+}
+
+
+static FLAG
+_SanityCheckPawnMove(POSITION *pos, MOVE mv)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ MOVE mv
+
+Return value:
+
+ FLAG
+
+**/
+{
+ PIECE p = mv.pMoved;
+ COOR cFrom = mv.cFrom;
+ COOR cTo = mv.cTo;
+
+ ASSERT(mv.uMove);
+ ASSERT(IS_PAWN(p));
+
+ //
+ // General sanity checking...
+ //
+ if (!IS_ON_BOARD(cFrom) || !IS_ON_BOARD(cTo))
+ {
+ return(FALSE);
+ }
+
+ //
+ // Sanity check promotions.
+ //
+ if (mv.pPromoted)
+ {
+ if (GET_COLOR(p) == WHITE)
+ {
+ if ((RANK(cTo) != 8) && (RANK(cFrom) != 7)) return(FALSE);
+ }
+ else
+ {
+ if ((RANK(cTo) != 1) && (RANK(cFrom) != 2)) return(FALSE);
+ }
+
+ if (!IS_KNIGHT(mv.pPromoted) &&
+ !IS_BISHOP(mv.pPromoted) &&
+ !IS_ROOK(mv.pPromoted) &&
+ !IS_QUEEN(mv.pPromoted))
+ {
+ return(FALSE);
+ }
+ }
+
+ //
+ // Handle capture moves.
+ //
+ if (mv.pCaptured)
+ {
+ //
+ // Must be capturing something
+ //
+ if (IS_SPECIAL_MOVE(mv) && (!mv.pPromoted))
+ {
+ //
+ // en passant
+ //
+ if (!IS_EMPTY(pos->rgSquare[cTo].pPiece)) return(FALSE);
+ }
+ else
+ {
+ //
+ // normal capture
+ //
+ if (IS_EMPTY(pos->rgSquare[cTo].pPiece)) return(FALSE);
+ if (!OPPOSITE_COLORS(mv.pMoved, mv.pCaptured)) return(FALSE);
+ }
+
+ //
+ // Must be in the capturing position.
+ //
+ if (WHITE == GET_COLOR(p))
+ {
+ if (((cFrom - 17) != cTo) && ((cFrom - 15) != cTo)) return(FALSE);
+ }
+ else
+ {
+ if (((cFrom + 17) != cTo) && ((cFrom + 15) != cTo)) return(FALSE);
+ }
+
+ if ((IS_SPECIAL_MOVE(mv)) &&
+ (!mv.pPromoted) &&
+ (pos->cEpSquare != cTo)) return(FALSE);
+ return(TRUE);
+ }
+ else
+ {
+ //
+ // If the pawn is not capturing, the TO square better be empty.
+ //
+ if (!IS_EMPTY(pos->rgSquare[cTo].pPiece)) return(FALSE);
+
+ //
+ // A non-capturing pawn can only push forward. One or two squares
+ // based on whether or not its the initial move.
+ //
+ if (WHITE == GET_COLOR(p))
+ {
+ if (cTo == cFrom - 16) return(TRUE);
+ if ((cTo == cFrom - 32) &&
+ (RANK2(cFrom)) &&
+ (IS_EMPTY(pos->rgSquare[cFrom - 16].pPiece))) return(TRUE);
+ }
+ else
+ {
+ if (cTo == cFrom + 16) return(TRUE);
+ if ((cTo == cFrom + 32) &&
+ (RANK7(cFrom)) &&
+ (IS_EMPTY(pos->rgSquare[cFrom + 16].pPiece))) return(TRUE);
+ }
+ }
+ return(FALSE);
+}
+
+
+static FLAG
+_SanityCheckPieceMove(POSITION *pos, MOVE mv)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ MOVE mv
+
+Return value:
+
+ static
+
+**/
+{
+ PIECE p = mv.pMoved;
+ PIECE pPieceType = p >> 1;
+ int iIndex;
+ COOR cFrom = mv.cFrom;
+ COOR cTo = mv.cTo;
+ COOR cBlock;
+ COOR cAttack;
+ COOR cKing;
+ int iDelta;
+
+ ASSERT(!IS_PAWN(p));
+
+ //
+ // Handle castling
+ //
+ if (IS_CASTLE(mv))
+ {
+ ASSERT(IS_KING(mv.pMoved));
+ ASSERT(IS_SPECIAL_MOVE(mv));
+ return(TRUE);
+ }
+
+ //
+ // Make sure the piece moves in the way the move describes.
+ //
+ iIndex = (int)cFrom - (int)cTo;
+ if (0 == (CHECK_VECTOR_WITH_INDEX(iIndex, BLACK) &
+ (1 << pPieceType)))
+ {
+ return(FALSE);
+ }
+
+ //
+ // If we get here the piece can move in the way described by the
+ // move but we still have to check to see if there are any other
+ // pieces in the way if the piece moved is not a king or knight
+ // (pawns handled in their own routine, see above).
+ //
+ if ((pPieceType == QUEEN) ||
+ (pPieceType == ROOK) ||
+ (pPieceType == BISHOP))
+ {
+ iDelta = CHECK_DELTA_WITH_INDEX(iIndex);
+ for (cBlock = cFrom + iDelta;
+ cBlock != cTo;
+ cBlock += iDelta)
+ {
+ if (!IS_EMPTY(pos->rgSquare[cBlock].pPiece))
+ {
+ break;
+ }
+ }
+ if (cBlock != cTo) return(FALSE);
+ }
+
+ //
+ // Ok the piece can move the way they asked and there are no other
+ // pieces in the way... but it cannot expose its own king to check
+ // by doing so!
+ //
+ cKing = pos->cNonPawns[pos->uToMove][0];
+ cAttack = ExposesCheck(pos,
+ cFrom,
+ cKing);
+ if ((ILLEGAL_COOR != cAttack) && (cTo != cAttack))
+ {
+ //
+ // Ok if we are here then removing this piece from the from square
+ // does expose the king to check and the move does not capture the
+ // checking piece. But it's still ok as long as the TO location
+ // still blocks the checking piece.
+ //
+ iIndex = cAttack - cKing;
+ iDelta = CHECK_DELTA_WITH_INDEX(iIndex);
+ for (cBlock = cAttack + iDelta;
+ cBlock != cKing;
+ cBlock += iDelta)
+ {
+ if ((cBlock == cTo) ||
+ !IS_EMPTY(pos->rgSquare[cBlock].pPiece)) break;
+ }
+ if (cBlock == cKing) return(FALSE);
+ }
+
+ //
+ // Legal!
+ //
+ return(TRUE);
+}
+
+
+FLAG
+SanityCheckMove(POSITION *pos, MOVE mv)
+/**
+
+Routine description:
+
+ Sanity check a move -- Note: Not a strict chess legality checker!
+
+Parameters:
+
+ POSITION *pos,
+ MOVE mv
+
+Return value:
+
+ FLAG
+
+**/
+{
+ register PIECE p = mv.pMoved;
+
+ if (0 == mv.uMove)
+ {
+ return(FALSE);
+ }
+ else if (mv.cTo == mv.cFrom)
+ {
+ return(FALSE);
+ }
+ else if (IS_EMPTY(pos->rgSquare[mv.cFrom].pPiece))
+ {
+ return(FALSE);
+ }
+ else if (GET_COLOR(mv.pMoved) != pos->uToMove)
+ {
+ return(FALSE);
+ }
+ else if ((!IS_EMPTY(pos->rgSquare[mv.cTo].pPiece)) &&
+ (0 == mv.pCaptured))
+ {
+ return(FALSE);
+ }
+
+ if (!IS_SPECIAL_MOVE(mv))
+ {
+ if (mv.pCaptured)
+ {
+ if (IS_EMPTY(pos->rgSquare[mv.cTo].pPiece))
+ {
+ return(FALSE);
+ }
+
+ if (((pos->rgSquare[mv.cTo].pPiece) != mv.pCaptured) ||
+ (!OPPOSITE_COLORS(mv.pCaptured, mv.pMoved)))
+ {
+ return(FALSE);
+ }
+ }
+
+ if (!IS_EMPTY(pos->rgSquare[mv.cTo].pPiece) &&
+ !mv.pCaptured)
+ {
+ return(FALSE);
+ }
+ }
+ else
+ {
+ if (!IS_PAWN(p) && !IS_KING(p))
+ {
+ return(FALSE);
+ }
+ }
+
+ if (IS_PAWN(p))
+ {
+ return(_SanityCheckPawnMove(pos, mv));
+ }
+ else
+ {
+ return(_SanityCheckPieceMove(pos, mv));
+ }
+}
+
+
+FLAG
+LooksLikeFile(CHAR c)
+/**
+
+Routine description:
+
+ Does some char look like a file (i.e. 'a' <= char <= 'h')
+
+Parameters:
+
+ CHAR c
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if ((toupper(c) >= 'A') &&
+ (toupper(c) <= 'H'))
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+FLAG LooksLikeRank(CHAR c)
+/**
+
+Routine description:
+
+ Does char look like a coor rank (i.e. '1' <= char <= '8')
+
+Parameters:
+
+ CHAR c
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (((c - '0') >= 1) &&
+ ((c - '0') <= 8))
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+FLAG
+LooksLikeCoor(char *szData)
+/**
+
+Routine description:
+
+ Do the first two chars in szData look like a file/rank?
+
+Parameters:
+
+ char *szData
+
+Return value:
+
+ FLAG
+
+**/
+{
+ char f = szData[0];
+ char r = szData[1];
+
+ if (LooksLikeFile(f) &&
+ LooksLikeRank(r))
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+CHAR *
+StripMove(CHAR *szMove)
+/**
+
+Routine description:
+
+ Strip decoration punctuation marks out of a move.
+
+Parameters:
+
+ CHAR *szMove
+
+Return value:
+
+ CHAR
+
+**/
+{
+ CHAR cIgnore[] = "?!x+#-=\r\n"; // chars stripped from szMove
+ static CHAR szStripped[10];
+ ULONG y;
+ CHAR *p;
+
+ memset(szStripped, 0, sizeof(szStripped));
+ p = szMove;
+ y = 0;
+ while (*p != '\0')
+ {
+ if (NULL == strchr(cIgnore, *p))
+ {
+ szStripped[y++] = *p;
+ if (y >= 8) break;
+ }
+ p++;
+ }
+ return(szStripped);
+}
+
+ULONG LooksLikeMove(char *szData)
+/**
+
+Routine description:
+
+ Does some char pointer point at some text that looks like a move?
+ If so, does the move look like SAN or ICS style?
+
+Parameters:
+
+ char *szData
+
+Return value:
+
+ ULONG
+
+**/
+{
+ CHAR *szStripped = StripMove(szData);
+ ULONG u;
+ static CHAR cPieces[] = { 'P', 'N', 'B', 'R', 'Q', 'K', '\0' };
+
+ //
+ // A (stripped) move must be at least two characters long even in
+ // SAN.
+ //
+ if ((strlen(szStripped) < 2) || (strlen(szStripped) > 7))
+ {
+ return(NOT_MOVE);
+ }
+
+ //
+ // O-O, O-O-O
+ //
+ if (!STRNCMPI(szStripped, "OOO", 3) ||
+ !STRNCMPI(szStripped, "OO", 2) ||
+ !STRNCMPI(szStripped, "00", 2) || // duh
+ !STRNCMPI(szStripped, "000", 3))
+ {
+ return(MOVE_SAN);
+ }
+
+ //
+ // COOR COOR (d2d4)
+ //
+ if (LooksLikeCoor(szStripped) &&
+ LooksLikeCoor(szStripped + 2))
+ {
+ return(MOVE_ICS);
+ }
+
+ //
+ // COOR (d4)
+ //
+ if (LooksLikeCoor(szStripped) &&
+ strlen(szStripped) == 2)
+ {
+ return(MOVE_SAN);
+ }
+
+ //
+ // RANK COOR
+ //
+ if ((LooksLikeRank(szStripped[0]) ||
+ LooksLikeFile(szStripped[0])) &&
+ LooksLikeCoor(&szStripped[1]))
+ {
+ return(MOVE_SAN);
+ }
+
+ //
+ // PIECE COOR COOR
+ // PIECE COOR
+ // PIECE FILE COOR
+ // PIECE RANK COOR
+ //
+ for (u = 0; u < ARRAY_LENGTH(cPieces); u++)
+ {
+ if (szStripped[0] == cPieces[u]) // must be uppercase!
+ {
+ if (LooksLikeCoor(&szStripped[1]))
+ {
+ return(MOVE_SAN);
+ }
+ if (LooksLikeFile(szStripped[1]) &&
+ LooksLikeCoor(&szStripped[2]))
+ {
+ return(MOVE_SAN);
+ }
+ if (LooksLikeRank(szStripped[1]) &&
+ LooksLikeCoor(&szStripped[2]))
+ {
+ return(MOVE_SAN);
+ }
+ }
+ }
+
+ //
+ // (COORD)=(PIECE)
+ //
+ if ((strlen(szStripped) == 4) &&
+ LooksLikeCoor(szStripped) &&
+ szStripped[2] == '=')
+ {
+ if (NULL != strchr(cPieces, szStripped[3]))
+ {
+ return(MOVE_SAN);
+ }
+ }
+
+ //
+ // (COOR)(PIECE)
+ //
+ if ((strlen(szStripped) == 3) &&
+ LooksLikeCoor(szStripped) &&
+ (NULL != strchr(cPieces, szStripped[2])))
+ {
+ return(MOVE_SAN);
+ }
+
+ return(NOT_MOVE);
+}
+
+
+void FASTCALL
+SelectBestWithHistory(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG u)
+/**
+
+Routine description:
+
+ Pick the best (i.e. move with the highest "score" assigned to it
+ at generation time) that has not been played yet this ply and move
+ it to the front of the move list to be played next.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG u
+
+Return value:
+
+ void FASTCALL
+
+**/
+{
+ register ULONG v;
+ register ULONG uEnd = ctx->sMoveStack.uEnd[ctx->uPly];
+ register SCORE iBestVal;
+ ULONG uLoc;
+ SCORE iVal;
+ MOVE mv;
+ MOVE_STACK_MOVE_VALUE_FLAGS mvfTemp;
+
+ ASSERT(ctx->sMoveStack.uBegin[ctx->uPly] <= uEnd);
+ ASSERT(u >= ctx->sMoveStack.uBegin[ctx->uPly]);
+ ASSERT(u < uEnd);
+
+ //
+ // Linear search from u..ctx->sMoveStack.uEnd[ctx->uPly] for the
+ // move with the best value.
+ //
+ iBestVal = ctx->sMoveStack.mvf[u].iValue;
+ mv = ctx->sMoveStack.mvf[u].mv;
+ if (!IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ iBestVal += g_HistoryCounters[mv.pMoved][mv.cTo];
+ }
+ uLoc = u;
+
+ for (v = u + 1; v < uEnd; v++)
+ {
+ iVal = ctx->sMoveStack.mvf[v].iValue;
+ mv = ctx->sMoveStack.mvf[v].mv;
+ if (!IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ iVal += g_HistoryCounters[mv.pMoved][mv.cTo];
+ }
+ if (iVal > iBestVal)
+ {
+ iBestVal = iVal;
+ uLoc = v;
+ }
+ }
+
+ //
+ // Note: the if here slows down the code, just swap em.
+ //
+ mvfTemp = ctx->sMoveStack.mvf[u];
+ ctx->sMoveStack.mvf[u] = ctx->sMoveStack.mvf[uLoc];
+ ctx->sMoveStack.mvf[uLoc] = mvfTemp;
+}
+
+
+void FASTCALL
+SelectBestNoHistory(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG u)
+/**
+
+Routine description:
+
+ Pick the best (i.e. move with the highest "score" assigned to it
+ at generation time) that has not been played yet this ply and move
+ it to the front of the move list to be played next.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG u
+
+Return value:
+
+ void FASTCALL
+
+**/
+{
+ register ULONG v;
+ register ULONG uEnd = ctx->sMoveStack.uEnd[ctx->uPly];
+ register SCORE iBestVal;
+ ULONG uLoc;
+ SCORE iVal;
+ MOVE_STACK_MOVE_VALUE_FLAGS mvfTemp;
+
+ ASSERT(ctx->sMoveStack.uBegin[ctx->uPly] <= uEnd);
+ ASSERT(u >= ctx->sMoveStack.uBegin[ctx->uPly]);
+ ASSERT(u < uEnd);
+
+ //
+ // Linear search from u..ctx->sMoveStack.uEnd[ctx->uPly] for the
+ // move with the best value.
+ //
+ iBestVal = ctx->sMoveStack.mvf[u].iValue;
+ uLoc = u;
+ for (v = u + 1; v < uEnd; v++)
+ {
+ iVal = ctx->sMoveStack.mvf[v].iValue;
+ if (iVal > iBestVal)
+ {
+ iBestVal = iVal;
+ uLoc = v;
+ }
+ }
+
+ //
+ // Note: the if here slows down the code, just swap em.
+ //
+ mvfTemp = ctx->sMoveStack.mvf[u];
+ ctx->sMoveStack.mvf[u] = ctx->sMoveStack.mvf[uLoc];
+ ctx->sMoveStack.mvf[uLoc] = mvfTemp;
+}
+
+void FASTCALL
+SelectMoveAtRoot(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG u)
+/**
+
+Routine description:
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG u
+
+Return value:
+
+ void FASTCALL
+
+**/
+{
+ ULONG v = u;
+ ULONG uEnd = ctx->sMoveStack.uEnd[ctx->uPly];
+ SCORE iBestVal = -INFINITY;
+ ULONG uLoc = v;
+ SCORE iVal;
+ MOVE_STACK_MOVE_VALUE_FLAGS mvfTemp;
+
+ ASSERT(ctx->sMoveStack.uBegin[ctx->uPly] <= uEnd);
+ ASSERT(u >= ctx->sMoveStack.uBegin[ctx->uPly]);
+ ASSERT(u < uEnd);
+ ASSERT(MOVE_COUNT(ctx, ctx->uPly) >= 1);
+
+ //
+ // Find the first move that we have not already searched. It will
+ // provide our initial iBestVal.
+ //
+ do
+ {
+ if (!(ctx->sMoveStack.mvf[v].bvFlags & MVF_MOVE_SEARCHED))
+ {
+ iBestVal = ctx->sMoveStack.mvf[v].iValue;
+ uLoc = v;
+ break;
+ }
+ v++;
+ }
+ while(v < uEnd);
+ if (v >= uEnd) return;
+
+ //
+ // Search the rest of the moves that have not yet been tried by
+ // RootSearch and find the one with the best value.
+ //
+ for (v = uLoc + 1; v < uEnd; v++)
+ {
+ if (!(ctx->sMoveStack.mvf[v].bvFlags & MVF_MOVE_SEARCHED))
+ {
+ iVal = ctx->sMoveStack.mvf[v].iValue;
+ if (iVal > iBestVal)
+ {
+ iBestVal = iVal;
+ uLoc = v;
+ }
+ }
+ }
+
+ //
+ // Move the best move we found into position u.
+ //
+ mvfTemp = ctx->sMoveStack.mvf[u];
+ ctx->sMoveStack.mvf[u] = ctx->sMoveStack.mvf[uLoc];
+ ctx->sMoveStack.mvf[uLoc] = mvfTemp;
+}
+
+
+static UINT64 g_uPerftNodeCount;
+static UINT64 g_uPerftTotalNodes;
+static UINT64 g_uPerftGenerates;
+
+void
+Perft(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth)
+{
+ MOVE mv;
+ ULONG u;
+ ULONG uPly;
+
+ g_uPerftTotalNodes += 1;
+ ASSERT(uDepth < MAX_PLY_PER_SEARCH);
+ if (uDepth == 0)
+ {
+ g_uPerftNodeCount += 1;
+ return;
+ }
+
+ mv.uMove = 0;
+ g_uPerftGenerates += 1;
+ GenerateMoves(ctx, mv, GENERATE_DONT_SCORE);
+
+ uPly = ctx->uPly;
+ for (u = ctx->sMoveStack.uBegin[uPly];
+ u < ctx->sMoveStack.uEnd[uPly];
+ u++)
+ {
+ mv = ctx->sMoveStack.mvf[u].mv;
+ if (MakeMove(ctx, mv))
+ {
+ Perft(ctx, uDepth - 1);
+ UnmakeMove(ctx, mv);
+ }
+ }
+}
+
+COMMAND(PerftCommand)
+/**
+
+Routine description:
+
+ This function implements the 'perft' engine command. I have no
+ idea what 'perft' means but some people use this command to
+ benchmark the speed of the move generator code. Note: the way
+ this is implemented here does nothing whatsoever with the move
+ scoring code (i.e. the SEE)
+
+ Usage:
+
+ perft <depth>
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ LIGHTWEIGHT_SEARCHER_CONTEXT ctx;
+ ULONG u;
+ ULONG uDepth;
+ double dBegin, dTime;
+ double dNps;
+
+ if (argc < 2)
+ {
+ Trace("Usage: perft <required_depth>\n");
+ return;
+ }
+ uDepth = atoi(argv[1]);
+ if (uDepth >= MAX_DEPTH_PER_SEARCH)
+ {
+ Trace("Error: invalid depth.\n");
+ return;
+ }
+
+ InitializeLightweightSearcherContext(pos, &ctx);
+
+ g_uPerftTotalNodes = g_uPerftGenerates = 0ULL;
+ dBegin = SystemTimeStamp();
+ for (u = 1; u <= uDepth; u++)
+ {
+ g_uPerftNodeCount = 0ULL;
+ Perft((SEARCHER_THREAD_CONTEXT *)&ctx, u);
+ Trace("%u. %" COMPILER_LONGLONG_UNSIGNED_FORMAT " node%s, "
+ "%" COMPILER_LONGLONG_UNSIGNED_FORMAT " generate%s.\n",
+ u,
+ g_uPerftNodeCount,
+ (g_uPerftNodeCount > 1) ? "s" : "",
+ g_uPerftGenerates,
+ (g_uPerftGenerates > 1) ? "s" : "");
+ }
+ dTime = SystemTimeStamp() - dBegin;
+ dNps = (double)g_uPerftTotalNodes;
+ dNps /= dTime;
+ Trace("%" COMPILER_LONGLONG_UNSIGNED_FORMAT " total nodes, "
+ "%" COMPILER_LONGLONG_UNSIGNED_FORMAT " total generates "
+ "in %6.2f seconds.\n",
+ g_uPerftTotalNodes,
+ g_uPerftGenerates,
+ dTime);
+ Trace("That's approx %.0f moves/sec\n", dNps);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ pawnhash.c
+
+Abstract:
+
+ Pawn structure score hashing code.
+
+Author:
+
+
+Revision History:
+
+ $Id: pawnhash.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+
+PAWN_HASH_ENTRY *
+PawnHashLookup(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Called by eval with a pointer to a POSITION, look in our pawn hash
+ to see if we have an entry that matches the pawn structure in the
+ POSITION. If so, "check out" that entry and return a pointer to
+ it.
+
+ Note: there is a multi-probing scheme in place to remove
+ contention on MP machines.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ PAWN_HASH_ENTRY *
+
+**/
+{
+ POSITION *pos = &(ctx->sPosition);
+ ULONG u = (ULONG)pos->u64PawnSig & (PAWN_HASH_TABLE_SIZE - 1);
+ return(&(ctx->rgPawnHash[u]));
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ piece.c
+
+Abstract:
+
+ Chess piece related code.
+
+Author:
+
+
+Revision History:
+
+ $Id: piece.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+PIECE_DATA g_PieceData[] =
+{
+ // piece value piece value / 100 invert value piece name
+ { 0, 0, 0, "NONE" },
+ { VALUE_PAWN, (VALUE_PAWN / 100), INVERT_PAWN, "PAWN" },
+ { VALUE_KNIGHT, (VALUE_KNIGHT / 100), INVERT_KNIGHT, "KNIGHT" },
+ { VALUE_BISHOP, (VALUE_BISHOP / 100), INVERT_BISHOP, "BISHOP" },
+ { VALUE_ROOK, (VALUE_ROOK / 100), INVERT_ROOK, "ROOK" },
+ { VALUE_QUEEN, (VALUE_QUEEN / 100), INVERT_QUEEN, "QUEEN" },
+ { VALUE_KING, 100, INVERT_KING, "KING" },
+ { 0, 0, 0, "NONE" }
+};
+
+
+CHAR *
+PieceAbbrev(PIECE p)
+{
+ static char _PieceAbbrev[] =
+ {
+ '-', 'p', 'n', 'b', 'r', 'q', 'k', '\0'
+ };
+ static char buf[3];
+
+ if (!IS_VALID_PIECE(p))
+ {
+ buf[0] = buf[1] = '?';
+ buf[2] = 0;
+ return(buf);
+ }
+
+ buf[1] = _PieceAbbrev[PIECE_TYPE(p)];
+ if (PIECE_COLOR(p) == WHITE)
+ {
+ buf[0] = '.';
+ buf[1] = (char)toupper(buf[1]);
+ }
+ else
+ {
+ buf[0] = '*';
+ }
+ buf[2] = 0;
+
+ return(buf);
+}
+
+ULONG
+PieceValueOver100(PIECE p)
+{
+ return(PIECE_VALUE_OVER_100(p));
+}
+
+ULONG
+PieceValue(PIECE p)
+{
+ return(PIECE_VALUE(p));
+}
+
+ULONG
+PieceInvertedValue(PIECE p)
+{
+ return(INVERTED_PIECE_VALUE(p));
+}
--- /dev/null
+#!/bin/sh
+
+# -----BEGIN EASILY CONFIGURABLE OPTIONS-------
+bin='typhoon'
+opts='--cpus 4 --hash 512m --logfile play.log --egtbpath /egtb/three;/egtb/four;/egtb/five'
+dir='.'
+ics='chessclub.com'
+flags=''
+# -----END EASILY CONFIGURABLE OPTIONS-------
+
+usage() {
+ echo "Usage: $1 [--local | --icc | --fics] [--xdebug] [--edebug]"
+ echo ""
+ echo "--local and --icc toggle between playing locally against the engine and"
+ echo "playing the engine on an ICS server. Playing locally is the default."
+ echo ""
+ echo "--xdebug enables debugging of the xboard protocol. --edebug uses a debug"
+ echo "version of the chess engine."
+ echo ""
+ exit 1
+}
+
+play_locally() {
+ xboard -ponder -fcp "${bin} ${opts}" -fd ${dir} -xpopup -xexit -size medium \
+ -coords -highlight
+}
+
+attach_to_ics() {
+ while true; do
+ xboard -ics -icshost "${ics}" -ponder -fcp "${bin} ${opts}" -fd ${dir} \
+ -autoflag -xpopup -xexit -size medium -coords -highlight -zp \
+ ${flags}
+ sleep 30
+ killall typhoon
+ done
+}
+
+mode='local'
+for _switch ; do
+ case $_switch in
+ --xdebug)
+ flags='-debug'
+ shift
+ ;;
+ --edebug)
+ bin='_typhoon'
+ shift
+ ;;
+ --local)
+ mode='local'
+ shift
+ ;;
+ --icc)
+ mode='ics'
+ shift
+ ;;
+ --fics)
+ mode='fics'
+ ics='freechess.org'
+ shift
+ ;;
+ *)
+ usage $0
+ ;;
+ esac
+done
+
+case ${mode} in
+ local)
+ play_locally
+ ;;
+ ics)
+ attach_to_ics
+ ;;
+ fics)
+ attach_to_ics
+ ;;
+esac
+exit 0
--- /dev/null
+/*++
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ poshash.c
+
+Abstract:
+
+ A hash table of information about positions.
+
+Author:
+
+ Scott Gasch (SGasch) 11 Nov 2006
+
+Revision History:
+
+--*/
+
+#include "chess.h"
+
+#define NUM_POSITION_HASH_ENTRIES (1048576) // 16Mb
+POSITION_HASH_ENTRY g_PositionHash[NUM_POSITION_HASH_ENTRIES];
+
+#ifdef MP
+#define NUM_POSITION_HASH_LOCKS (512)
+volatile static ULONG g_uPositionHashLocks[NUM_POSITION_HASH_LOCKS];
+#define POSITION_HASH_IS_LOCKED(x) ((g_uPositionHashLocks[(x)]) != 0)
+#define LOCK_POSITION_HASH(x) \
+ AcquireSpinLock(&(g_uPositionHashLocks[(x)])); \
+ ASSERT(POSITION_HASH_IS_LOCKED(x))
+#define UNLOCK_POSITION_HASH(x) \
+ ASSERT(POSITION_HASH_IS_LOCKED(x)); \
+ ReleaseSpinLock(&(g_uPositionHashLocks[(x)]))
+#else
+#define POSITION_HASH_IS_LOCKED(x)
+#define LOCK_HASH(x)
+#define UNLOCK_HASH(x)
+#endif
+
+void
+InitializePositionHashSystem(void)
+{
+ memset(&g_PositionHash, 0, sizeof(g_PositionHash));
+#ifdef MP
+ memset(&g_uPositionHashLocks, 0, sizeof(g_uPositionHashLocks));
+#endif
+}
+
+void
+CleanupPositionHashSystem(void)
+{
+ ; // do nothing
+}
+
+static INLINE UINT64 PositionToSignatureIgnoringMove(POSITION *pos)
+{
+ return((pos->u64NonPawnSig ^ pos->u64PawnSig) >> 1);
+}
+
+// Note: sig must be pre-shifted to ignore the side-to-move bit.
+static INLINE ULONG PositionSigToHashPosition(UINT64 u64Sig)
+{
+ ULONG u = (ULONG)u64Sig;
+ u &= (NUM_POSITION_HASH_ENTRIES - 1);
+ ASSERT(u < NUM_POSITION_HASH_ENTRIES);
+ return u;
+}
+
+#ifdef MP
+static INLINE ULONG HashPositionToLockNumber(ULONG u)
+{
+ u &= (NUM_POSITION_HASH_LOCKS - 1);
+ ASSERT(u < NUM_POSITION_HASH_LOCKS);
+ return u;
+}
+#endif
+
+void
+StoreEnprisePiece(POSITION *pos, COOR cSquare)
+{
+ UINT64 u64Sig = PositionToSignatureIgnoringMove(pos);
+ ULONG uEntry = PositionSigToHashPosition(u64Sig);
+ POSITION_HASH_ENTRY *pHash = &(g_PositionHash[uEntry]);
+ PIECE p = pos->rgSquare[cSquare].pPiece;
+ ULONG uColor = GET_COLOR(p);
+#ifdef MP
+ ULONG uLock = HashPositionToLockNumber(uEntry);
+ LOCK_POSITION_HASH(uLock);
+#endif
+ ASSERT(p && IS_VALID_PIECE(p));
+ ASSERT(!IS_PAWN(p));
+ ASSERT(CAN_FIT_IN_UCHAR(cSquare));
+ ASSERT(IS_ON_BOARD(cSquare));
+ pHash->cEnprise[uColor] = (UCHAR)cSquare;
+ ASSERT(pHash->uEnpriseCount[uColor] < 16);
+ pHash->uEnpriseCount[uColor] += 1;
+ if (pHash->u64Sig != u64Sig)
+ {
+ pHash->u64Sig = u64Sig;
+ pHash->uEnpriseCount[uColor] = 1;
+ pHash->cTrapped[uColor] = ILLEGAL_COOR;
+ uColor = FLIP(uColor);
+ pHash->cEnprise[uColor] = ILLEGAL_COOR;
+ pHash->cTrapped[uColor] = ILLEGAL_COOR;
+ pHash->uEnpriseCount[uColor] = 0;
+ }
+#ifdef MP
+ UNLOCK_POSITION_HASH(uLock);
+#endif
+}
+
+void
+StoreTrappedPiece(POSITION *pos, COOR cSquare)
+{
+ UINT64 u64Sig = PositionToSignatureIgnoringMove(pos);
+ ULONG uEntry = PositionSigToHashPosition(u64Sig);
+ POSITION_HASH_ENTRY *pHash = &(g_PositionHash[uEntry]);
+ PIECE p = pos->rgSquare[cSquare].pPiece;
+ ULONG uColor = GET_COLOR(p);
+#ifdef MP
+ ULONG uLock = HashPositionToLockNumber(uEntry);
+ LOCK_POSITION_HASH(uLock);
+#endif
+ ASSERT(p && IS_VALID_PIECE(p));
+ ASSERT(!IS_PAWN(p));
+ ASSERT(CAN_FIT_IN_UCHAR(cSquare));
+ ASSERT(IS_ON_BOARD(cSquare));
+ pHash->cTrapped[uColor] = cSquare;
+ if (pHash->u64Sig != u64Sig)
+ {
+ pHash->u64Sig = u64Sig;
+ pHash->cEnprise[uColor] = ILLEGAL_COOR;
+ pHash->uEnpriseCount[uColor] = 0;
+ uColor = FLIP(uColor);
+ pHash->cEnprise[uColor] = ILLEGAL_COOR;
+ pHash->cTrapped[uColor] = ILLEGAL_COOR;
+ pHash->uEnpriseCount[uColor] = 0;
+ }
+#ifdef MP
+ UNLOCK_POSITION_HASH(uLock);
+#endif
+}
+
+COOR
+GetEnprisePiece(POSITION *pos, ULONG uSide)
+{
+ UINT64 u64Sig = PositionToSignatureIgnoringMove(pos);
+ ULONG uEntry = PositionSigToHashPosition(u64Sig);
+ POSITION_HASH_ENTRY *pHash = &(g_PositionHash[uEntry]);
+ COOR c = ILLEGAL_COOR;
+#ifdef MP
+ ULONG uLock = HashPositionToLockNumber(uEntry);
+ LOCK_POSITION_HASH(uLock);
+#endif
+ if (pHash->u64Sig == u64Sig)
+ {
+ c = pHash->cEnprise[uSide];
+ }
+#ifdef MP
+ UNLOCK_POSITION_HASH(uLock);
+#endif
+ return c;
+}
+
+COOR
+GetTrappedPiece(POSITION *pos, ULONG uSide)
+{
+ UINT64 u64Sig = PositionToSignatureIgnoringMove(pos);
+ ULONG uEntry = PositionSigToHashPosition(u64Sig);
+ POSITION_HASH_ENTRY *pHash = &(g_PositionHash[uEntry]);
+ COOR c = ILLEGAL_COOR;
+#ifdef MP
+ ULONG uLock = HashPositionToLockNumber(uEntry);
+ LOCK_POSITION_HASH(uLock);
+#endif
+ if (pHash->u64Sig == u64Sig)
+ {
+ c = pHash->cTrapped[uSide];
+ }
+#ifdef MP
+ UNLOCK_POSITION_HASH(uLock);
+#endif
+ return c;
+}
+
+FLAG
+SideCanStandPat(POSITION *pos, ULONG uSide)
+{
+ UINT64 u64Sig = PositionToSignatureIgnoringMove(pos);
+ ULONG uEntry = PositionSigToHashPosition(u64Sig);
+ POSITION_HASH_ENTRY *pHash = &(g_PositionHash[uEntry]);
+ FLAG fStand = TRUE;
+#ifdef MP
+ ULONG uLock = HashPositionToLockNumber(uEntry);
+ LOCK_POSITION_HASH(uLock);
+#endif
+ if (pHash->u64Sig == u64Sig)
+ {
+ fStand = ((pHash->cTrapped[uSide] == ILLEGAL_COOR) &&
+ (pHash->uEnpriseCount[uSide] < 2));
+ }
+#ifdef MP
+ UNLOCK_POSITION_HASH(uLock);
+#endif
+ return fStand;
+}
+
+ULONG
+ValueOfMaterialInTroubleDespiteMove(POSITION *pos, ULONG uSide)
+{
+ UINT64 u64Sig = PositionToSignatureIgnoringMove(pos);
+ ULONG uEntry = PositionSigToHashPosition(u64Sig);
+ POSITION_HASH_ENTRY *pHash = &(g_PositionHash[uEntry]);
+ ULONG u = 0;
+ COOR c;
+#ifdef MP
+ ULONG uLock = HashPositionToLockNumber(uEntry);
+ LOCK_POSITION_HASH(uLock);
+#endif
+ if (pHash->u64Sig == u64Sig)
+ {
+ if (pHash->uEnpriseCount[uSide] > 1)
+ {
+ c = pHash->cEnprise[uSide];
+ ASSERT(IS_ON_BOARD(c));
+ u = PIECE_VALUE(pos->rgSquare[c].pPiece);
+ ASSERT(u);
+ }
+ c = pHash->cTrapped[uSide];
+ if (IS_ON_BOARD(c))
+ {
+ u = MAXU(u, PIECE_VALUE(pos->rgSquare[c].pPiece));
+ ASSERT(u);
+ }
+ }
+#ifdef MP
+ UNLOCK_POSITION_HASH(uLock);
+#endif
+ return u;
+}
+
+ULONG
+ValueOfMaterialInTroubleAfterNull(POSITION *pos, ULONG uSide)
+{
+ UINT64 u64Sig = PositionToSignatureIgnoringMove(pos);
+ ULONG uEntry = PositionSigToHashPosition(u64Sig);
+ POSITION_HASH_ENTRY *pHash = &(g_PositionHash[uEntry]);
+ ULONG u = 0;
+ COOR c;
+#ifdef MP
+ ULONG uLock = HashPositionToLockNumber(uEntry);
+ LOCK_POSITION_HASH(uLock);
+#endif
+ if (pHash->u64Sig == u64Sig)
+ {
+ if (pHash->uEnpriseCount[uSide])
+ {
+ c = pHash->cEnprise[uSide];
+ ASSERT(IS_ON_BOARD(c));
+ u += PIECE_VALUE(pos->rgSquare[c].pPiece);
+ ASSERT(u);
+ }
+ c = pHash->cTrapped[uSide];
+ if (IS_ON_BOARD(c))
+ {
+ u = MAXU(PIECE_VALUE(pos->rgSquare[c].pPiece), u);
+ ASSERT(u);
+ }
+ }
+#ifdef MP
+ UNLOCK_POSITION_HASH(uLock);
+#endif
+ return u;
+}
--- /dev/null
+[White "Crafty 19.13"]
+[Black "unknown"]
+[Date "2007.06.19"]
+setboard r5k/1b1nq1bp/2p2rp/1p1p1pN/p2P3P/P2NP1P/1PQ2P1K/2R1RB/ w
+{-149 6623 660}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ probe.c
+
+Abstract:
+
+ Routines for probing endgame tablebases; much of this code is
+ "borrowed" from crafty.
+
+Author:
+
+
+Revision History:
+
+ $Id: probe.c 355 2008-07-01 15:46:43Z scott $
+
+**/
+
+#include "chess.h"
+
+#define XX (127) // sq not on the board
+#define C_PIECES (3) // max num pieces of one color
+
+ULONG g_uEgtbLock = 0;
+
+//
+// define INDEX type
+//
+#define T_INDEX64 // use 64 bit indexes
+#if defined (T_INDEX64) && defined (_MSC_VER)
+typedef unsigned __int64 INDEX;
+#elif defined (T_INDEX64)
+typedef unsigned long long INDEX;
+#else
+typedef unsigned long INDEX;
+#endif
+
+//
+// define square type and tb type
+//
+typedef unsigned int squaret;
+typedef signed char tb_t;
+
+//
+// define color
+//
+typedef int color;
+#define x_colorWhite 0
+#define x_colorBlack 1
+#define x_colorNeutral 2
+#define COLOR_DECLARED
+
+//
+// define pieces
+//
+typedef int piece;
+#define x_pieceNone 0
+#define x_piecePawn 1
+#define x_pieceKnight 2
+#define x_pieceBishop 3
+#define x_pieceRook 4
+#define x_pieceQueen 5
+#define x_pieceKing 6
+#define PIECES_DECLARED
+
+//
+// scores returned from egtb.cpp
+//
+#define pageL 65536
+#define tbbe_ssL ((pageL-4)/2)
+#define bev_broken (tbbe_ssL+1) /* illegal or busted */
+#define bev_mi1 tbbe_ssL /* mate in 1 move */
+#define bev_mimin 1 /* mate in max moves */
+#define bev_draw 0 /* draw */
+#define bev_limax (-1) /* mated in max moves */
+#define bev_li0 (-tbbe_ssL) /* mated in 0 moves */
+
+//
+// define PfnCalcIndex
+//
+typedef INDEX(TB_FASTCALL * PfnCalcIndex)(squaret *,
+ squaret *,
+ squaret,
+ int fInverse);
+
+//
+// prototypes for functions in egtb.cpp
+//
+extern int IDescFindFromCounters(int *);
+extern int FRegisteredFun(int, color);
+extern PfnCalcIndex PfnIndCalcFun(int, color);
+extern int TB_FASTCALL L_TbtProbeTable(int, color, INDEX);
+#define PfnIndCalc PfnIndCalcFun
+#define FRegistered FRegisteredFun
+extern int IInitializeTb(char *);
+extern int FTbSetCacheSize(void *buffer, unsigned long size);
+extern int TB_CRC_CHECK;
+
+//
+// Globals
+//
+static int EGTBMenCount = 0;
+void *egtb_cache = NULL;
+#define EGTB_CACHE_SIZE (8*1024*1024)
+
+
+void
+InitializeEGTB(void)
+/**
+
+Routine description:
+
+ [Re]Initialize the Nalimov EGTB system. Called during system
+ startup and when the user uses "set" to change the EGTB path.
+
+Parameters:
+
+ void (uses g_OPtionz.szEGTBPath)
+
+Return value:
+
+ void
+
+**/
+{
+ CHAR *szPath = g_Options.szEGTBPath;
+
+ if ((szPath != NULL) && strlen(szPath) > 0) {
+ // TB_CRC_CHECK = 1;
+ EGTBMenCount = IInitializeTb(szPath);
+ if (0 != EGTBMenCount)
+ {
+ Trace("Found %d-men endgame tablebases.\n\n", EGTBMenCount);
+ if (NULL != egtb_cache)
+ {
+ SystemFreeMemory(egtb_cache);
+ egtb_cache = NULL;
+ }
+ egtb_cache = SystemAllocateMemory(EGTB_CACHE_SIZE);
+ if (NULL != egtb_cache)
+ {
+ FTbSetCacheSize(egtb_cache, EGTB_CACHE_SIZE);
+ }
+ }
+ }
+}
+
+void
+CleanupEGTB(void)
+/**
+
+Routine description:
+
+ Cleanup the Nalimov EGTB system.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != egtb_cache)
+ {
+ SystemFreeMemory(egtb_cache);
+ egtb_cache = NULL;
+ }
+}
+
+
+FLAG
+ProbeEGTB(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE *piScore)
+/**
+
+Routine description:
+
+ Search for a board position in the EGTB files on disk.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE *piScore
+
+Return value:
+
+ FLAG
+
+**/
+{
+ POSITION *pos = &(ctx->sPosition);
+ int pcCount[10];
+ int wSquares[C_PIECES*5+1], bSquares[C_PIECES*5+1];
+ int iTB;
+ ULONG uColor;
+ int invert;
+ int *wp, *bp;
+ int ep;
+ INDEX index;
+ int value;
+ FLAG fResult;
+ ULONG x;
+ int y;
+ COOR c;
+ PIECE p;
+ PfnCalcIndex fp;
+
+ //
+ // EGTB initialized?
+ //
+ ULONG wcount = (pos->uNonPawnCount[WHITE][0] +
+ pos->uPawnCount[WHITE]);
+ ULONG bcount = (pos->uNonPawnCount[BLACK][0] +
+ pos->uPawnCount[BLACK]);
+ if ((wcount + bcount > (ULONG)EGTBMenCount) ||
+ (wcount > 3) ||
+ (bcount > 3))
+ {
+ return(FALSE);
+ }
+ INC(ctx->sCounters.egtb.uProbes);
+ memset(pcCount, 0, sizeof(pcCount));
+
+ for (x = 0;
+ x < pos->uPawnCount[WHITE];
+ x++)
+ {
+ c = pos->cPawns[WHITE][x];
+ ASSERT (IS_ON_BOARD(c));
+ ASSERT(pos->rgSquare[c].pPiece && IS_PAWN(pos->rgSquare[c].pPiece));
+
+ c = TO64(c);
+ ASSERT((c >= 0) && (c <= 64));
+
+ y = pcCount[0];
+ ASSERT(y >= 0);
+ ASSERT(y < (C_PIECES * 5 + 1));
+ wSquares[y] = c;
+ pcCount[0]++;
+ }
+
+ for (x = 1;
+ x < pos->uNonPawnCount[WHITE][0];
+ x++)
+ {
+ c = pos->cNonPawns[WHITE][x];
+ ASSERT (IS_ON_BOARD(c));
+
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p && !IS_PAWN(p) && !IS_KING(p));
+
+ //
+ // convert: into:
+ // XXX_PAWN 0
+ // XXX_KNIGHT 1
+ // XXX_BISHOP 2
+ // XXX_ROOK 3
+ // XXX_QUEEN 4
+ //
+ p = ((p >> 1) & 0x7) - 1;
+ ASSERT(p > 0);
+ ASSERT(p < 5);
+
+ c = TO64(c);
+ ASSERT((c >= 0) && (c <= 64));
+
+ y = p * C_PIECES + pcCount[p];
+ ASSERT(y >= 0);
+ ASSERT(y < (C_PIECES * 5 + 1));
+ wSquares[y] = c;
+ pcCount[p]++;
+ }
+
+ for (x = 0;
+ x < pos->uPawnCount[BLACK];
+ x++)
+ {
+ c = pos->cPawns[BLACK][x];
+ ASSERT(IS_ON_BOARD(c));
+ ASSERT(pos->rgSquare[c].pPiece && IS_PAWN(pos->rgSquare[c].pPiece));
+
+ c = TO64(c);
+ ASSERT(c >= 0);
+ ASSERT(c <= 64);
+
+ y = pcCount[5];
+ ASSERT(y >= 0);
+ ASSERT(y < (C_PIECES * 5 + 1));
+ bSquares[y] = c;
+ pcCount[5]++;
+ }
+
+ for (x = 1;
+ x < pos->uNonPawnCount[BLACK][0];
+ x++)
+ {
+ c = pos->cNonPawns[BLACK][x];
+ ASSERT(IS_ON_BOARD(c));
+
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p && !IS_PAWN(p) && !IS_KING(p));
+
+ //
+ // convert: into:
+ // XXX_PAWN 0
+ // XXX_KNIGHT 1
+ // XXX_BISHOP 2
+ // XXX_ROOK 3
+ // XXX_QUEEN 4
+ //
+ p = ((p >> 1) & 0x7) - 1;
+ ASSERT(p > 0);
+ ASSERT(p < 5);
+
+ c = TO64(c);
+ ASSERT(c >= 0);
+ ASSERT(c <= 64);
+
+ y = p * C_PIECES + pcCount[5 + p];
+ ASSERT(y >= 0);
+ ASSERT(y < (C_PIECES * 5 + 1));
+ bSquares[y] = c;
+ pcCount[5 + p]++;
+ }
+
+ AcquireSpinLock(&g_uEgtbLock);
+ iTB = IDescFindFromCounters(pcCount);
+ if (iTB == 0)
+ {
+ fResult = FALSE;
+ goto end;
+ }
+
+ //
+ // Add the kings to the piece lists
+ //
+ ASSERT(pos->rgSquare[pos->cNonPawns[WHITE][0]].pPiece == WHITE_KING);
+ wSquares[C_PIECES * 5] = TO64(pos->cNonPawns[WHITE][0]);
+ ASSERT(wSquares[C_PIECES * 5] >= 0);
+ ASSERT(wSquares[C_PIECES * 5] <= 64);
+
+ ASSERT(pos->rgSquare[pos->cNonPawns[BLACK][0]].pPiece == BLACK_KING);
+ bSquares[C_PIECES * 5] = TO64(pos->cNonPawns[BLACK][0]);
+ ASSERT(bSquares[C_PIECES * 5] >= 0);
+ ASSERT(bSquares[C_PIECES * 5] <= 64);
+
+ if (iTB > 0)
+ {
+ uColor = (pos->uToMove == WHITE) ? 0 : 1;
+ invert = 0;
+ wp = wSquares;
+ bp = bSquares;
+ }
+ else
+ {
+ uColor = (pos->uToMove == WHITE) ? 1 : 0;
+ invert = 1;
+ wp = bSquares;
+ bp = wSquares;
+ iTB = -iTB;
+ }
+
+ if (!FRegisteredFun(iTB, uColor))
+ {
+ fResult = FALSE;
+ goto end;
+ }
+ ep = XX;
+ if (IS_ON_BOARD(pos->cEpSquare))
+ {
+ ASSERT((IS_ON_BOARD(pos->cEpSquare + 1) &&
+ IS_PAWN(pos->rgSquare[pos->cEpSquare + 1].pPiece)) ||
+ (IS_ON_BOARD(pos->cEpSquare - 1) &&
+ IS_PAWN(pos->rgSquare[pos->cEpSquare - 1].pPiece)));
+ ep = TO64(pos->cEpSquare);
+ }
+
+#if 0
+ DumpPosition(pos);
+ Trace("iTB = %d, uColor = %u, ep = %u, invert = %u\n",
+ iTB, uColor, ep, invert);
+ Trace("wp =\t\t\tbp =\n");
+ for(x = 0; x < 16; x++)
+ {
+ Trace("%u\t\t\t%u\n", wSquares[x], bSquares[x]);
+ }
+#endif
+ ASSERT(IS_VALID_COLOR(uColor));
+ fp = PfnIndCalcFun(iTB, uColor);
+ index = fp((squaret *)wp,
+ (squaret *)bp,
+ (squaret)ep,
+ invert);
+ value = L_TbtProbeTable(iTB, uColor, index);
+ if (value == bev_broken)
+ {
+ fResult = FALSE;
+ goto end;
+ }
+
+ if (value > 0)
+ {
+ *piScore = INFINITY + (2*(-bev_mi1+value)) - 1;
+ }
+ else if (value < 0)
+ {
+ *piScore = -INFINITY + (2*(bev_mi1+value));
+ }
+ else
+ {
+ *piScore = 0; // g_iDrawValue[pos->uToMove];
+ }
+ fResult = TRUE;
+
+ end:
+ ReleaseSpinLock(&g_uEgtbLock);
+#ifdef PERF_COUNTERS
+ if (fResult == TRUE)
+ {
+ INC(ctx->sCounters.egtb.uHits);
+ }
+#endif
+ return(fResult);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ psqt.h
+
+Abstract:
+
+ Note: auto-generated from PGN file.
+
+Author:
+
+
+Revision History:
+
+ $Id: psqt.h 239 2006-08-01 05:12:52Z scott $
+
+**/
+
+#ifndef _PSQT_H_
+#define _PSQT_H_
+
+SCORE g_iPSQT[14][128] =
+{
+ // empty
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ },
+ // empty
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x2 (*p)
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 335,331,146, 56,124,384,374,471, 0,0,0,0,0,0,0,0,
+ 511,493,329,253,374,533,410,467, 0,0,0,0,0,0,0,0,
+ 194,241,162,139,177,165,122,149, 0,0,0,0,0,0,0,0,
+ 56, 50, 48, 83, 75, 42, 23, 34, 0,0,0,0,0,0,0,0,
+ 15, 14, 17, 19, 14, 8, 5, 7, 0,0,0,0,0,0,0,0,
+ 3, 3, 3, 2, 2, 1, 1, 1, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x3 (.P)
+ {
+ 4, 3, 3, 4, 2, 2, 1, 1, 0,0,0,0,0,0,0,0,
+ 19, 17, 20, 31, 18, 9, 6, 10, 0,0,0,0,0,0,0,0,
+ 58, 47, 53, 89, 75, 57, 35, 48, 0,0,0,0,0,0,0,0,
+ 206,174,192,191,267,232,184,201, 0,0,0,0,0,0,0,0,
+ 497,491,304,125,243,599,486,522, 0,0,0,0,0,0,0,0,
+ 379,408,222, 25, 77,373,343,451, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x4 (*n)
+ {
+ 8, 64, 56, 58,138,134, 42, 5, 0,0,0,0,0,0,0,0,
+ 21, 34,125,587,245, 69, 50, 54, 0,0,0,0,0,0,0,0,
+ 87,224,317,138,196,421,163, 46, 0,0,0,0,0,0,0,0,
+ 120, 48,283,271,314,156, 66,144, 0,0,0,0,0,0,0,0,
+ 47,139,178,179,226,143,150, 35, 0,0,0,0,0,0,0,0,
+ 11, 37, 57, 93, 56, 43, 24, 14, 0,0,0,0,0,0,0,0,
+ 5, 13, 28, 27, 30, 18, 4, 3, 0,0,0,0,0,0,0,0,
+ 1, 2, 6, 6, 7, 4, 1, 0, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x5 (.N)
+ {
+ 1, 3, 7, 8, 9, 4, 2, 0, 0,0,0,0,0,0,0,0,
+ 7, 13, 41, 30, 34, 22, 5, 5, 0,0,0,0,0,0,0,0,
+ 8, 55, 78,111, 64, 65, 24, 18, 0,0,0,0,0,0,0,0,
+ 47,156,142,275,283,147,181, 46, 0,0,0,0,0,0,0,0,
+ 128, 50,214,275,315,161, 86, 97, 0,0,0,0,0,0,0,0,
+ 55,173,288,179,227,334,180, 41, 0,0,0,0,0,0,0,0,
+ 25, 28,102,401,303, 70, 31, 56, 0,0,0,0,0,0,0,0,
+ 4, 45, 56, 73, 89,114, 27, 5, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x6 (*b)
+ {
+ 28, 26,134, 91, 91,220, 12, 13, 0,0,0,0,0,0,0,0,
+ 20,290, 79,403,315, 70,169, 16, 0,0,0,0,0,0,0,0,
+ 135, 81,211,224,363,245,102,105, 0,0,0,0,0,0,0,0,
+ 28, 88,163,122,122,189, 97, 47, 0,0,0,0,0,0,0,0,
+ 36, 97, 71,117, 85, 51,142, 37, 0,0,0,0,0,0,0,0,
+ 27, 35, 45, 50, 36, 26, 16, 44, 0,0,0,0,0,0,0,0,
+ 10, 19, 26, 20, 21, 15, 9, 11, 0,0,0,0,0,0,0,0,
+ 1, 8, 11, 9, 10, 10, 8, 1, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x7 (.B)
+ {
+ 1, 8, 10, 10, 10, 9, 7, 1, 0,0,0,0,0,0,0,0,
+ 10, 20, 31, 19, 26, 14, 10, 11, 0,0,0,0,0,0,0,0,
+ 29, 45, 46, 63, 36, 33, 21, 98, 0,0,0,0,0,0,0,0,
+ 31,116, 79, 99, 88, 53,250, 31, 0,0,0,0,0,0,0,0,
+ 42, 65,178,159,134,271, 69, 84, 0,0,0,0,0,0,0,0,
+ 90,135,150,354,490,210,139, 90, 0,0,0,0,0,0,0,0,
+ 36,167,157,303,276,123,127, 23, 0,0,0,0,0,0,0,0,
+ 15, 64,106, 66, 63,174, 20, 7, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x8 (*r)
+ {
+ 200,498,860,875,818,292,213,106, 0,0,0,0,0,0,0,0,
+ 107,100,200,218,185,172, 69, 40, 0,0,0,0,0,0,0,0,
+ 70, 82,103,106,114,104, 69, 48, 0,0,0,0,0,0,0,0,
+ 57, 55, 91, 86, 74, 67, 40, 41, 0,0,0,0,0,0,0,0,
+ 59, 73, 91, 76, 64, 49, 38, 33, 0,0,0,0,0,0,0,0,
+ 67, 58, 70, 69, 44, 31, 24, 28, 0,0,0,0,0,0,0,0,
+ 86, 84,110,103, 73, 42, 32, 34, 0,0,0,0,0,0,0,0,
+ 64, 53, 64, 65, 52, 28, 24, 33, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0x9 (.R)
+ {
+ 65, 58, 65, 75, 52, 27, 26, 35, 0,0,0,0,0,0,0,0,
+ 98, 90,127,121, 81, 43, 34, 38, 0,0,0,0,0,0,0,0,
+ 63, 65, 73, 92, 47, 36, 23, 29, 0,0,0,0,0,0,0,0,
+ 55, 57, 71, 73, 65, 38, 35, 31, 0,0,0,0,0,0,0,0,
+ 59, 55, 76,101, 79, 64, 43, 48, 0,0,0,0,0,0,0,0,
+ 80, 87,110,170,166,136, 95, 78, 0,0,0,0,0,0,0,0,
+ 80, 76,172,257,205,149, 56, 39, 0,0,0,0,0,0,0,0,
+ 173,409,738,999,863,284,191, 98, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0xa (*q)
+ {
+ 42,103,128,194,117, 64, 15, 8, 0,0,0,0,0,0,0,0,
+ 58,127,458,320,353,119, 61, 15, 0,0,0,0,0,0,0,0,
+ 66,284,154,184,141,202,102, 50, 0,0,0,0,0,0,0,0,
+ 191, 70,132,108,110,104,117, 80, 0,0,0,0,0,0,0,0,
+ 50, 83, 66, 78, 72, 67, 64, 97, 0,0,0,0,0,0,0,0,
+ 38, 29, 42, 43, 46, 32, 27, 35, 0,0,0,0,0,0,0,0,
+ 22, 34, 43, 42, 38, 27, 12, 16, 0,0,0,0,0,0,0,0,
+ 30, 29, 33, 33, 33, 18, 15, 20, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0xb (.Q)
+ {
+ 25, 28, 31, 36, 31, 17, 15, 24, 0,0,0,0,0,0,0,0,
+ 26, 34, 48, 41, 42, 26, 16, 24, 0,0,0,0,0,0,0,0,
+ 28, 36, 43, 52, 46, 46, 34, 58, 0,0,0,0,0,0,0,0,
+ 41, 59, 56, 71, 74, 59, 86,117, 0,0,0,0,0,0,0,0,
+ 107, 66, 99,131,120,130,142,112, 0,0,0,0,0,0,0,0,
+ 58,212,146,269,239,246,159, 78, 0,0,0,0,0,0,0,0,
+ 34, 79,318,415,404,160, 53, 19, 0,0,0,0,0,0,0,0,
+ 24, 56, 91,123,111, 45, 14, 6, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0xc (*k)
+ {
+ 18, 77,152, 82,116,333,682,325, 0,0,0,0,0,0,0,0,
+ 9, 25, 55, 85,156,176,222,132, 0,0,0,0,0,0,0,0,
+ 5, 19, 38, 65, 86,108, 78, 34, 0,0,0,0,0,0,0,0,
+ 3, 10, 20, 25, 35, 20, 25, 11, 0,0,0,0,0,0,0,0,
+ 3, 11, 17, 23, 24, 23, 18, 8, 0,0,0,0,0,0,0,0,
+ 2, 6, 7, 8, 8, 7, 6, 3, 0,0,0,0,0,0,0,0,
+ 0, 2, 2, 2, 2, 2, 2, 0, 0,0,0,0,0,0,0,0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ },
+
+ // Piece 0xd (.K)
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,
+ 0, 2, 2, 2, 2, 1, 2, 0, 0,0,0,0,0,0,0,0,
+ 2, 7, 8, 9, 6, 7, 5, 3, 0,0,0,0,0,0,0,0,
+ 3, 13, 19, 21, 23, 18, 18, 8, 0,0,0,0,0,0,0,0,
+ 5, 11, 20, 34, 36, 33, 22, 11, 0,0,0,0,0,0,0,0,
+ 5, 20, 36, 72, 98, 98, 75, 33, 0,0,0,0,0,0,0,0,
+ 12, 26, 50, 80,126,157,160,135, 0,0,0,0,0,0,0,0,
+ 25,148,187, 59, 83,261,619,311, 0,0,0,0,0,0,0,0,
+ }
+};
+
+#endif /* _PSQT_H_ */
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ recogn.c
+
+Abstract:
+
+ This code is based on an article by Ernst A. Heinz: "Efficient
+ Interior-Node Recognition" * ICCA Journal Volume 21, No. 3, pp
+ 156-167 (also "Scalable Search in Computer Chess" pp 65-81). This
+ code also borrows ideas from Thorsten Greiner's AMY chess program.
+
+Author:
+
+
+Revision History:
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uIterateDepth;
+static COOR QUEENING_SQUARE_BY_COLOR_FILE[2][8] =
+{
+ { A1, B1, C1, D1, E1, F1, G1, H1 },
+ { A8, B8, C8, D8, E8, F8, G8, H8 }
+};
+
+#define RECOGN_INDEX(w, b) \
+ (((b) | (w)) + (32 * ((w) && (b))))
+
+typedef ULONG RECOGNIZER(SEARCHER_THREAD_CONTEXT *ctx, SCORE *piScore);
+
+static RECOGNIZER *g_pRecognizers[64];
+static BITV g_bvRecognizerAvailable[32];
+
+static ULONG
+_MakeMaterialSig(IN FLAG fPawn,
+ IN FLAG fKnight,
+ IN FLAG fBishop,
+ IN FLAG fRook,
+ IN FLAG fQueen)
+/**
+
+Routine description:
+
+ Make a material signature ULONG out of flags representing the
+ presence of pawns, knights, bishops, rooks, queens on the board.
+
+Parameters:
+
+ FLAG fPawn,
+ FLAG fKnight,
+ FLAG fBishop,
+ FLAG fRook,
+ FLAG fQueen
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG x;
+
+ ASSERT(IS_VALID_FLAG(fPawn));
+ ASSERT(IS_VALID_FLAG(fKnight));
+ ASSERT(IS_VALID_FLAG(fBishop));
+ ASSERT(IS_VALID_FLAG(fRook));
+ ASSERT(IS_VALID_FLAG(fQueen));
+
+ x = fPawn | (fKnight << 1) | (fBishop << 2) | (fRook << 3) | (fQueen << 4);
+
+ ASSERT((0 <= x) && (x <= 31));
+ return(x);
+}
+
+
+#ifdef DEBUG
+
+
+static FLAG
+_TablebasesSaySideWins(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uSide)
+{
+ SCORE iScore;
+ if (TRUE == ProbeEGTB(ctx, &iScore))
+ {
+ if (ctx->sPosition.uToMove == uSide)
+ {
+ return iScore > 0;
+ }
+ else
+ {
+ return iScore < 0;
+ }
+ }
+ return TRUE;
+}
+
+static FLAG
+_TablebasesSayDraw(IN SEARCHER_THREAD_CONTEXT *ctx)
+{
+ SCORE iScore;
+ if (TRUE == ProbeEGTB(ctx, &iScore))
+ {
+ return iScore == 0;
+ }
+ return TRUE;
+}
+
+static FLAG
+_TablebasesSayDrawOrWin(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uSide)
+{
+ SCORE iScore;
+ if (TRUE == ProbeEGTB(ctx, &iScore))
+ {
+ return ((iScore == 0) ||
+ ((iScore > 0) && (ctx->sPosition.uToMove == uSide)) ||
+ ((iScore < 0) && (ctx->sPosition.uToMove != uSide)));
+ }
+ return TRUE;
+}
+
+
+static FLAG
+_SanityCheckRecognizers(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iScore,
+ IN ULONG uVal) {
+ ULONG uToMove = ctx->sPosition.uToMove;
+ switch(uVal) {
+ case UNRECOGNIZED:
+ return TRUE;
+ case RECOGN_EXACT:
+ if (iScore == 0) {
+ return _TablebasesSayDraw(ctx);
+ } else if (iScore > 0) {
+ return _TablebasesSaySideWins(ctx, uToMove);
+ } else {
+ ASSERT(iScore < 0);
+ return _TablebasesSaySideWins(ctx, !uToMove);
+ }
+ case RECOGN_LOWER:
+ if (iScore == 0) {
+ return _TablebasesSayDrawOrWin(ctx, uToMove);
+ } else if (iScore > 0) {
+ return _TablebasesSaySideWins(ctx, uToMove);
+ } else {
+ ASSERT(iScore < 0);
+ return _TablebasesSaySideWins(ctx, !uToMove);
+ }
+ case RECOGN_UPPER:
+ if (iScore == 0) {
+ return _TablebasesSayDrawOrWin(ctx, !uToMove);
+ } else if (iScore > 0) {
+ return _TablebasesSayDrawOrWin(ctx, !uToMove);
+ } else {
+ ASSERT(iScore < 0);
+ return _TablebasesSaySideWins(ctx, !uToMove);
+ }
+ default:
+ ASSERT(FALSE);
+ return FALSE;
+ }
+}
+
+static FLAG
+_NothingBut(IN POSITION *pos,
+ IN PIECE p,
+ IN ULONG uColor)
+/**
+
+Routine description:
+
+ Support routine to assert that nothing but the piece bits
+ enumerated in parameter p are present in the position pos for side
+ uColor.
+
+Parameters:
+
+ POSITION *pos,
+ PIECE p,
+ ULONG uColor
+
+Return value:
+
+ #ifdef DEBUG
+static FLAG
+
+**/
+{
+ static PIECE q[] = { KNIGHT, BISHOP, ROOK, QUEEN };
+ ULONG u;
+
+ if (!(p & PAWN))
+ {
+ if (pos->uPawnCount[uColor] > 0) return(FALSE);
+ }
+
+ for (u = 0; u < ARRAY_LENGTH(q); u++)
+ {
+ if (!(p & q[u]))
+ {
+ if (pos->uNonPawnCount[uColor][q[u]] > 0) return(FALSE);
+ }
+ }
+ return(TRUE);
+}
+#endif
+
+static ULONG
+_RecognizeKK(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+ Encode the knowledge that two lone kings on the board are a draw.
+
+Parameters:
+
+ POSITION *pos,
+ SCORE *piScore
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ *piScore = 0;
+ return(RECOGN_EXACT);
+}
+
+static ULONG
+_RecognizeKBK(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+ Attempt to recognize KB*KB+ positions.
+
+Parameters:
+
+ POSITION *pos,
+ SCORE *piScore
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG uStrong;
+ ULONG uBishops;
+ COOR cWeakKing;
+ ULONG u;
+ ULONG uAdjacent;
+ POSITION *pos = &ctx->sPosition;
+
+ ASSERT((pos->uNonPawnCount[WHITE][0] <= 3) &&
+ (pos->uNonPawnCount[BLACK][0] <= 3));
+ ASSERT(_NothingBut(pos, BISHOP, WHITE));
+ ASSERT(_NothingBut(pos, BISHOP, BLACK));
+
+ //
+ // Recognize KBKB as a draw unless there's a cornered king (in
+ // which case it may be a mate-in-1)
+ //
+ if ((pos->uNonPawnCount[WHITE][0] == 2) &&
+ (pos->uNonPawnCount[BLACK][0] == 2))
+ {
+ if ((CORNER_DISTANCE(pos->cNonPawns[WHITE][0]) != 0) &&
+ (CORNER_DISTANCE(pos->cNonPawns[BLACK][0]) != 0))
+ {
+ *piScore = 0;
+ return(RECOGN_EXACT);
+ }
+ }
+
+ //
+ // Otherwise we want to deal with KB+ vs lone K. KBKBB etc are
+ // too hard to recognize.
+ //
+ if ((pos->uNonPawnCount[WHITE][0] != 1) &&
+ (pos->uNonPawnCount[BLACK][0] != 1))
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // If we get here then one side has no pieces (except the king).
+ //
+ uStrong = BLACK;
+ if (pos->uNonPawnCount[WHITE][0] > 1)
+ {
+ uStrong = WHITE;
+ }
+ ASSERT(pos->uNonPawnCount[uStrong][0] > 1);
+ ASSERT(pos->uNonPawnCount[FLIP(uStrong)][0] == 1);
+
+ //
+ // KB vs K is a draw, KB+ vs K is still a draw if all bishops are the
+ // same color.
+ //
+ uBishops = pos->uNonPawnCount[uStrong][BISHOP];
+ if ((uBishops == 1) ||
+ (pos->uWhiteSqBishopCount[uStrong] == 0) ||
+ (pos->uWhiteSqBishopCount[uStrong] == uBishops))
+ {
+ *piScore = 0;
+ return(RECOGN_EXACT);
+ }
+
+ //
+ // If we get here the strong side has more than one bishop and has
+ // at least one bishop on each color.
+ //
+
+ //
+ // If the weak king is next to a strong side piece, fail to
+ // recognize since the weak king may take the bishop with the
+ // move. Note: we allow the weak king to be adjacent to up to one
+ // enemy bishop as long as it's the strong side's turn to move.
+ //
+ cWeakKing = pos->cNonPawns[FLIP(uStrong)][0];
+ ASSERT(DISTANCE(cWeakKing, pos->cNonPawns[uStrong][0]) > 1);
+ uAdjacent = 0;
+ for (u = 1; u < pos->uNonPawnCount[uStrong][0]; u++)
+ {
+ uAdjacent += DISTANCE(cWeakKing, pos->cNonPawns[uStrong][u] == 1);
+ }
+ if (uAdjacent > 1)
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // If it's the weak side's turn and the strong king is close
+ // enough that the weak side may be stalemated, fail to recognize.
+ //
+ if (pos->uToMove != uStrong)
+ {
+ ASSERT(pos->uToMove == FLIP(uStrong));
+ if (uAdjacent == 1)
+ {
+ return(UNRECOGNIZED);
+ }
+
+ ASSERT(IS_ON_BOARD(pos->cNonPawns[uStrong][0]));
+ ASSERT(IS_KING(pos->rgSquare[pos->cNonPawns[uStrong][0]].pPiece));
+ u = DISTANCE(cWeakKing, pos->cNonPawns[uStrong][0]);
+ ASSERT(u != 1);
+ if ((u == 2) && (ON_EDGE(cWeakKing)))
+ {
+ return(UNRECOGNIZED);
+ }
+ }
+
+ //
+ // This is a recognized win for the strong side. Compute a score
+ // that encourages cornering the weak king and making progress
+ // towards a checkmate.
+ //
+ *piScore = (pos->iMaterialBalance[uStrong] + VALUE_QUEEN -
+ (u * 16) - (CORNER_DISTANCE(cWeakKing) * 32));
+ ASSERT(IS_VALID_SCORE(*piScore));
+ if (pos->uToMove != uStrong)
+ {
+ *piScore *= -1;
+ return(RECOGN_UPPER);
+ }
+ return(RECOGN_LOWER);
+}
+
+static ULONG
+_RecognizeKNK(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+ Recognize KN*KN+ positions.
+
+Parameters:
+
+ POSITION *pos,
+ SCORE *piScore
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ POSITION *pos = &ctx->sPosition;
+ ULONG uStrong;
+
+ ASSERT((pos->uNonPawnCount[WHITE][0] <= 3) &&
+ (pos->uNonPawnCount[BLACK][0] <= 3));
+ ASSERT(_NothingBut(pos, KNIGHT, WHITE));
+ ASSERT(_NothingBut(pos, KNIGHT, BLACK));
+
+ //
+ // KNKN is a draw unless someone has a K in the corner (in which case,
+ // with the friend knight in the way, there's a possible mate)
+ //
+ if ((pos->uNonPawnCount[WHITE][0] == 2) &&
+ (pos->uNonPawnCount[BLACK][0] == 2))
+ {
+ if ((CORNER_DISTANCE(pos->cNonPawns[WHITE][0]) != 0) &&
+ (CORNER_DISTANCE(pos->cNonPawns[BLACK][0]) != 0))
+ {
+ *piScore = 0;
+ return(RECOGN_EXACT);
+ }
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // KNNKN etc... unrecognized. Heinz says "exceptional wins possible for
+ // any side by mates in seven or less moves." TODO: add this knowledge.
+ //
+ if ((pos->uNonPawnCount[WHITE][0] != 1) ||
+ (pos->uNonPawnCount[BLACK][0] != 1))
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // If we get here somebody has no pieces (except a lone king).
+ //
+ uStrong = WHITE;
+ if (pos->uNonPawnCount[BLACK][0] > 1)
+ {
+ uStrong = BLACK;
+ }
+ ASSERT(pos->uNonPawnCount[uStrong][0] > 1);
+ ASSERT(pos->uNonPawnCount[FLIP(uStrong)][0] == 1);
+
+ //
+ // Call KNNK a draw unless the weak K is on the edge of the board
+ // where a checkmate is possible (e.g. 8/8/8/8/8/N2N4/4K3/2k5 b - -)
+ // Everything else in here is a draw.
+ //
+ ASSERT(pos->uNonPawnCount[uStrong][0] < 4);
+ if (ON_EDGE(pos->cNonPawns[FLIP(uStrong)][0]))
+ {
+ return(UNRECOGNIZED);
+ }
+ *piScore = 0;
+ return(RECOGN_EXACT);
+}
+
+
+static ULONG
+_RecognizeKBNK(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+Parameters:
+
+ POSITION *pos,
+ SCORE *piScore
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG uStrong;
+ COOR cWeakKing;
+ COOR cKnight;
+ ULONG u;
+ ULONG uDist;
+ ULONG uAdjacent;
+ POSITION *pos = &ctx->sPosition;
+
+ ASSERT((pos->uNonPawnCount[WHITE][0] <= 3) &&
+ (pos->uNonPawnCount[BLACK][0] <= 3));
+ ASSERT(_NothingBut(pos, BISHOP | KNIGHT, WHITE));
+ ASSERT(_NothingBut(pos, BISHOP | KNIGHT, BLACK));
+
+ if ((pos->uNonPawnCount[WHITE][0] > 1) &&
+ (pos->uNonPawnCount[BLACK][0] > 1))
+ {
+ //
+ // Do not recognize stuff like KNNKB or KNKBB etc...
+ //
+ if (pos->uNonPawnCount[WHITE][0] + pos->uNonPawnCount[BLACK][0] > 4)
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // This is KNKB; unless someone's king is on the edge,
+ // recognize a draw.
+ //
+ ASSERT((pos->uNonPawnCount[WHITE][0] == 2) &&
+ (pos->uNonPawnCount[BLACK][0] == 2));
+ if (ON_EDGE(pos->cNonPawns[WHITE][0]) ||
+ ON_EDGE(pos->cNonPawns[BLACK][0]))
+ {
+ return(UNRECOGNIZED);
+ }
+ *piScore = 0;
+ return(RECOGN_EXACT);
+ }
+
+ //
+ // If we get here we are in a KBNK endgame.
+ //
+ uStrong = WHITE;
+ if (pos->uNonPawnCount[BLACK][0] > 1)
+ {
+ uStrong = BLACK;
+ }
+ ASSERT(pos->uNonPawnCount[uStrong][0] > 1);
+ ASSERT(pos->uNonPawnCount[FLIP(uStrong)][0] == 1);
+ cWeakKing = pos->cNonPawns[FLIP(uStrong)][0];
+ ASSERT(IS_ON_BOARD(cWeakKing));
+ ASSERT(IS_KING(pos->rgSquare[cWeakKing].pPiece));
+
+ //
+ // Don't recognize anything where the N is in a corner near the
+ // lone king. It's possible for the lone king to trap it there
+ // thus drawing the game.
+ //
+ cKnight = pos->cNonPawns[uStrong][KNIGHT];
+ if ((CORNER_DISTANCE(cKnight) == 0) &&
+ (DISTANCE(cWeakKing, cKnight) == 1))
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // Don't recognize anything if the weak king is next to a strong side's
+ // piece.
+ //
+ uAdjacent = 0;
+ for (u = 1; u < pos->uNonPawnCount[uStrong][0]; u++)
+ {
+ uAdjacent = (DISTANCE(pos->cNonPawns[uStrong][u], cWeakKing) == 1);
+ }
+ if (!uAdjacent)
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // Don't recognize if the two kings are close enough to each other
+ // that there might be a stalemate if the weak side is on move and
+ // on the edge.
+ //
+ if (pos->uToMove != uStrong)
+ {
+ ASSERT(pos->uToMove == FLIP(uStrong));
+ if (uAdjacent == 1)
+ {
+ return(UNRECOGNIZED);
+ }
+
+ ASSERT(IS_ON_BOARD(pos->cNonPawns[uStrong][0]));
+ ASSERT(IS_KING(pos->rgSquare[pos->cNonPawns[uStrong][0]].pPiece));
+ u = DISTANCE(cWeakKing, pos->cNonPawns[uStrong][0]);
+ ASSERT(u != 1);
+ if ((u == 2) && (ON_EDGE(cWeakKing)))
+ {
+ return(UNRECOGNIZED);
+ }
+ }
+
+ //
+ // Calculate a score that grabs the search's attention and makes
+ // progress towards driving the weak king to the correct corner to
+ // mate him.
+ //
+ if (pos->uWhiteSqBishopCount[uStrong] > 0)
+ {
+ uDist = WHITE_CORNER_DISTANCE(cWeakKing);
+ }
+ else
+ {
+ uDist = BLACK_CORNER_DISTANCE(cWeakKing);
+ }
+ ASSERT((0 <= uDist) && (uDist <= 7));
+
+ *piScore = (pos->iMaterialBalance[uStrong] + (7 * VALUE_PAWN)
+ - (uDist * 32) - (u * 16));
+ ASSERT(IS_VALID_SCORE(*piScore));
+ if (pos->uToMove != uStrong)
+ {
+ *piScore *= -1;
+ return(RECOGN_UPPER);
+ }
+ return(RECOGN_LOWER);
+}
+
+
+static ULONG
+_RecognizeKNKP(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+ Recognize KN+KP+ positions.
+
+Parameters:
+
+ POSITION *pos,
+ SCORE *piScore
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG uStrong;
+ POSITION *pos = &ctx->sPosition;
+
+ ASSERT((pos->uNonPawnCount[WHITE][0] <= 3) &&
+ (pos->uNonPawnCount[BLACK][0] <= 3));
+ ASSERT(_NothingBut(pos, PAWN | KNIGHT, WHITE));
+ ASSERT(_NothingBut(pos, PAWN | KNIGHT, BLACK));
+
+ //
+ // Call the side with knight(s) "strong"
+ //
+ uStrong = WHITE;
+ if (pos->uNonPawnCount[BLACK][0] > 1)
+ {
+ uStrong = BLACK;
+ }
+ ASSERT(pos->uNonPawnCount[uStrong][0] > 1);
+ ASSERT(pos->uNonPawnCount[FLIP(uStrong)][0] == 1);
+
+ //
+ // Don't recognize KNNKP or KNKP with K on edge
+ //
+ if ((pos->uNonPawnCount[uStrong][KNIGHT] > 2) ||
+ (ON_EDGE(pos->cNonPawns[FLIP(uStrong)][0])))
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // This is at least a draw for the side with the pawn(s) and at
+ // best a draw for the side with the knight(s)
+ //
+ *piScore = 0;
+ if (pos->uToMove == uStrong)
+ {
+ return(RECOGN_UPPER);
+ }
+ return(RECOGN_LOWER);
+}
+
+
+static ULONG
+_RecognizeKBKP(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+ Recognize KB+P*KP+ positions including knowledge about "wrong color
+ bishop(s)".
+
+Parameters:
+
+ POSITION *pos,
+ SCORE *piScore
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG uStrong;
+ BITBOARD bb;
+ ULONG u;
+ COOR c;
+ COOR cWeakKing;
+ POSITION *pos = &ctx->sPosition;
+
+ ASSERT((pos->uNonPawnCount[WHITE][0] <= 3) &&
+ (pos->uNonPawnCount[BLACK][0] <= 3));
+ ASSERT(_NothingBut(pos, PAWN | BISHOP, WHITE));
+ ASSERT(_NothingBut(pos, PAWN | BISHOP, BLACK));
+
+ //
+ // Call the side with bishop(s) "strong"
+ //
+ uStrong = WHITE;
+ if (pos->uNonPawnCount[BLACK][BISHOP] > 0)
+ {
+ uStrong = BLACK;
+ }
+ ASSERT(pos->uNonPawnCount[uStrong][0] > 1);
+ ASSERT(pos->uNonPawnCount[FLIP(uStrong)][0] == 1);
+
+ cWeakKing = pos->cNonPawns[FLIP(uStrong)][0];
+ ASSERT(IS_ON_BOARD(cWeakKing));
+ ASSERT(IS_KING(pos->rgSquare[cWeakKing].pPiece));
+
+ //
+ // Construct a strong side bitboard of pawn locations
+ //
+ bb = 0ULL;
+ for (u = 0; u < pos->uPawnCount[uStrong]; u++)
+ {
+ c = pos->cPawns[uStrong][u];
+ ASSERT(IS_ON_BOARD(c));
+ bb |= COOR_TO_BB(c);
+ }
+
+ if ((pos->uNonPawnCount[BLACK][0] + pos->uPawnCount[BLACK] > 1) &&
+ (pos->uNonPawnCount[WHITE][0] + pos->uPawnCount[WHITE] > 1))
+ {
+ //
+ // Neither side has a lone king. This is either KBKP+ or
+ // KBP+KP+.
+ //
+ if (pos->uPawnCount[uStrong] > 0)
+ {
+ //
+ // Strong side can maybe take an adjacent pawn and survive the
+ // bad bishop.
+ //
+ if (uStrong == pos->uToMove)
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // Make sure the strong side has the right color bishop
+ // for his pawns.
+ //
+ if (uStrong == WHITE)
+ {
+ if (!(bb & ~BBFILE[A]) &&
+ (pos->uWhiteSqBishopCount[WHITE] == 0) &&
+ (DISTANCE(cWeakKing, A8) <= 1))
+ {
+ goto at_best_draw_for_strong;
+ }
+
+ if (!(bb & ~BBFILE[H]) &&
+ (pos->uWhiteSqBishopCount[WHITE] ==
+ pos->uNonPawnCount[WHITE][BISHOP]) &&
+ (DISTANCE(cWeakKing, H8) <= 1))
+ {
+ goto at_best_draw_for_strong;
+ }
+ }
+ else
+ {
+ if (!(bb & ~BBFILE[A]) &&
+ (pos->uWhiteSqBishopCount[BLACK] ==
+ pos->uNonPawnCount[BLACK][BISHOP]) &&
+ (DISTANCE(cWeakKing, A1) <= 1))
+ {
+ goto at_best_draw_for_strong;
+ }
+
+ if (!(bb & ~BBFILE[H]) &&
+ (pos->uWhiteSqBishopCount[BLACK] == 0) &&
+ (DISTANCE(cWeakKing, H1) <= 1))
+ {
+ goto at_best_draw_for_strong;
+ }
+ }
+ return(UNRECOGNIZED);
+ }
+ else
+ {
+ //
+ // Strong side has no pawns... there's a mate-in-1 here if
+ // the weak king is stuck in the corner.
+ //
+ if ((pos->uNonPawnCount[uStrong][BISHOP] > 1) ||
+ (CORNER_DISTANCE(cWeakKing) == 0))
+ {
+ return(UNRECOGNIZED);
+ }
+ goto at_best_draw_for_strong;
+ }
+ }
+ else
+ {
+ //
+ // KBPK: make sure the bishop is the right color. This time
+ // there is no need to check for on-move.
+ //
+ ASSERT(pos->uNonPawnCount[FLIP(uStrong)][0] == 1);
+ ASSERT(pos->uNonPawnCount[uStrong][0] > 1);
+
+ if (uStrong == WHITE)
+ {
+ if (!(bb & ~BBFILE[A]) &&
+ (pos->uWhiteSqBishopCount[WHITE] == 0) &&
+ (DISTANCE(cWeakKing, A8) <= 1))
+ {
+ goto draw;
+ }
+ if (!(bb & ~BBFILE[H]) &&
+ (pos->uWhiteSqBishopCount[WHITE] ==
+ pos->uNonPawnCount[WHITE][BISHOP]) &&
+ (DISTANCE(cWeakKing, H8) <= 1))
+ {
+ goto draw;
+ }
+ }
+ else
+ {
+ if (!(bb & ~BBFILE[A]) &&
+ (pos->uWhiteSqBishopCount[BLACK] ==
+ pos->uNonPawnCount[BLACK][BISHOP]) &&
+ (DISTANCE(cWeakKing, A1) <= 1))
+ {
+ goto draw;
+ }
+ if (!(bb & ~BBFILE[H]) &&
+ (pos->uWhiteSqBishopCount[BLACK] == 0) &&
+ (DISTANCE(cWeakKing, H1) <= 1))
+ {
+ goto draw;
+ }
+ }
+ return(UNRECOGNIZED);
+ }
+#ifdef DEBUG
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+#endif
+
+ at_best_draw_for_strong:
+ *piScore = 0;
+ if (pos->uToMove == uStrong)
+ {
+ return(RECOGN_UPPER);
+ }
+ return(RECOGN_LOWER);
+
+ draw:
+ *piScore = 0;
+ return(RECOGN_EXACT);
+}
+
+static void
+_GetPassersCriticalSquares(IN ULONG uColor,
+ IN COOR cPawn,
+ IN OUT COOR *cSquare)
+/**
+
+Routine description:
+
+ In an effort to classify KPK positions I read some stuff in
+ "Pandolfini's Endgame Course" about critical squares. A critical
+ square of a passed pawn is one that, if occupied by the friendly
+ king, is sufficient to queen that pawn by force. This code is a
+ helper routing for the KPK recognizer that returns the critical
+ square given a pawn's location for color uColor.
+
+ Note: rook pawns only have one critical square so this code
+ returns the same square three times in this case.
+
+Parameters:
+
+ ULONG uColor,
+ COOR cPawn,
+ COOR *cSquare
+
+Return value:
+
+ static void
+
+**/
+{
+ static COOR cCriticalSquare[2][128] =
+ {
+ {
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0,0,0,0,0,0,0,0,
+ 0x61, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x66, 0,0,0,0,0,0,0,0,
+ 0x61, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x66, 0,0,0,0,0,0,0,0,
+ 0x61, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x66, 0,0,0,0,0,0,0,0,
+ 0x61, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x66, 0,0,0,0,0,0,0,0,
+ 0x61, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x66, 0,0,0,0,0,0,0,0,
+ 0x61, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x66, 0,0,0,0,0,0,0,0,
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0,0,0,0,0,0,0,0,
+ },
+ {
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0,0,0,0,0,0,0,0,
+ 0x11, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x16, 0,0,0,0,0,0,0,0,
+ 0x11, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x16, 0,0,0,0,0,0,0,0,
+ 0x11, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x16, 0,0,0,0,0,0,0,0,
+ 0x11, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x16, 0,0,0,0,0,0,0,0,
+ 0x11, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x16, 0,0,0,0,0,0,0,0,
+ 0x11, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x16, 0,0,0,0,0,0,0,0,
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0,0,0,0,0,0,0,0,
+ }
+ };
+ ULONG uFile = FILE(cPawn);
+
+ ASSERT(IS_VALID_COLOR(uColor));
+ ASSERT(IS_ON_BOARD(cPawn));
+ ASSERT((RANK(cPawn) != 1) && (RANK(cPawn) != 8));
+
+ if ((uFile == A) || (uFile == H))
+ {
+ cSquare[0] = cCriticalSquare[uColor][cPawn];
+ cSquare[1] = cCriticalSquare[uColor][cPawn];
+ cSquare[2] = cCriticalSquare[uColor][cPawn];
+ goto end;
+ }
+ cSquare[1] = cCriticalSquare[uColor][cPawn];
+ cSquare[0] = cSquare[1] - 1;
+ cSquare[2] = cSquare[1] + 1;
+
+ end:
+ ASSERT(cSquare[0] != 0);
+ ASSERT(cSquare[1] != 0);
+ ASSERT(cSquare[2] != 0);
+ ASSERT(IS_ON_BOARD(cSquare[0]));
+ ASSERT(IS_ON_BOARD(cSquare[1]));
+ ASSERT(IS_ON_BOARD(cSquare[2]));
+}
+
+
+static ULONG
+_RecognizeKPK(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+ Attempt to recognize KP+KP* positions.
+
+Parameters:
+
+ POSITION *pos,
+ SCORE *piScore
+
+Return value:
+
+ static ULONG
+
+**/
+{
+ ULONG uStrong;
+ ULONG uWeak;
+ COOR cPawn, cQueen;
+ COOR cCritical[3];
+ ULONG uDist[2];
+ ULONG u;
+ PAWN_HASH_ENTRY *pHash;
+ POSITION *pos = &ctx->sPosition;
+
+ ASSERT(pos->uNonPawnCount[WHITE][0] == 1);
+ ASSERT(pos->uNonPawnCount[BLACK][0] == 1);
+ ASSERT(_NothingBut(pos, PAWN, WHITE));
+ ASSERT(_NothingBut(pos, PAWN, BLACK));
+
+ //
+ // Look to see if one side has a winning passed pawn
+ //
+ pHash = PawnHashLookup(ctx);
+ ASSERT(pHash != NULL);
+ if (pHash->u64Key == pos->u64PawnSig)
+ {
+ pos->iScore[BLACK] = pos->iScore[WHITE] = 0;
+ if (TRUE == EvalPasserRaces(pos, pHash))
+ {
+ //
+ // Someone wins.
+ //
+ ASSERT((pos->iScore[BLACK] == 0) || (pos->iScore[WHITE] == 0));
+ ASSERT((pos->iScore[BLACK] != 0) || (pos->iScore[WHITE] != 0));
+ if (pos->iScore[BLACK] > 0)
+ {
+ ASSERT(pos->iScore[WHITE] == 0);
+ *piScore = (pos->iMaterialBalance[BLACK] + 2 * VALUE_PAWN +
+ pos->iScore[BLACK]);
+ ASSERT(IS_VALID_SCORE(*piScore));
+ if (pos->uToMove == WHITE)
+ {
+ *piScore *= -1;
+ return(RECOGN_UPPER);
+ }
+ return(RECOGN_LOWER);
+ }
+ else
+ {
+ ASSERT(pos->iScore[WHITE] > 0);
+ *piScore = (pos->iMaterialBalance[WHITE] + 2 * VALUE_PAWN +
+ pos->iScore[WHITE]);
+ ASSERT(IS_VALID_SCORE(*piScore));
+ if (pos->uToMove == BLACK)
+ {
+ *piScore *= -1;
+ return(RECOGN_UPPER);
+ }
+ return(RECOGN_LOWER);
+ }
+ }
+ }
+
+ //
+ // No one has a winning passer or we did not find the hash entry.
+ //
+ if ((pos->uPawnCount[WHITE] > 0) && (pos->uPawnCount[BLACK] > 0))
+ {
+ return(UNRECOGNIZED);
+ }
+
+ //
+ // If we get here then no one has a winning passer and one side
+ // has only a lone king -- no pawns. Do some more "sophisticated"
+ // analysis looking for a won passer. Also: this is at best a
+ // draw for the weak side.
+ //
+ uStrong = WHITE;
+ if (pos->uPawnCount[WHITE] == 0)
+ {
+ uStrong = BLACK;
+ }
+ ASSERT(pos->uPawnCount[uStrong] > 0);
+ uWeak = FLIP(uStrong);
+ ASSERT(pos->uPawnCount[uWeak] == 0);
+
+ if (pos->uPawnCount[uStrong] > 1)
+ {
+ *piScore = 0;
+ if (pos->uToMove == uStrong)
+ {
+ return(RECOGN_LOWER);
+ }
+ return(RECOGN_UPPER);
+ }
+
+ //
+ // The side with pawns has only one pawn, do some more
+ // sophisticated analysis here to spot winning KPK
+ // configurations earlier by using "critical squares"
+ //
+ ASSERT(pos->uPawnCount[uStrong] == 1);
+ cPawn = pos->cPawns[uStrong][0];
+ ASSERT(IS_ON_BOARD(cPawn));
+ ASSERT(IS_PAWN(pos->rgSquare[cPawn].pPiece));
+
+ //
+ // Step 1: the strong king must be closer to the pawn than
+ // the weak king.
+ //
+ uDist[uStrong] = DISTANCE(pos->cNonPawns[uStrong][0], cPawn);
+ ASSERT((1 <= uDist[uStrong]) && (uDist[uStrong] <= 7));
+ uDist[uWeak] = DISTANCE(pos->cNonPawns[uWeak][0], cPawn);
+ ASSERT((1 <= uDist[uWeak]) && (uDist[uWeak] <= 7));
+ if (uDist[uStrong] <= uDist[uWeak])
+ {
+ //
+ // Step 2: the strong king must be closer to one of the
+ // passer's critical squares than the weak king.
+ //
+ _GetPassersCriticalSquares(uStrong, cPawn, cCritical);
+ for (u = 0; u < 3; u++)
+ {
+ uDist[uStrong] = DISTANCE(pos->cNonPawns[uStrong][0],
+ cCritical[u]);
+ ASSERT((0 <= uDist[uStrong]) && (uDist[uStrong] <= 7));
+ uDist[uWeak] = DISTANCE(pos->cNonPawns[uWeak][0],
+ cCritical[u]);
+
+ //
+ // Assume if the weak side is on move he will move
+ // towards the critical square. Also assume that
+ // in so doing he will increase the path that the
+ // strong king must take to get to the critical
+ // square.
+ //
+ if (uDist[uWeak] > 0) {
+ uDist[uWeak] -= (pos->uToMove == uWeak);
+ }
+ if (uDist[uStrong] > 0) {
+ uDist[uStrong] += (pos->uToMove == uWeak) * 2;
+ }
+ ASSERT((0 <= uDist[uWeak]) && (uDist[uWeak] <= 7));
+ if (uDist[uStrong] < uDist[uWeak])
+ {
+ cQueen =
+ QUEENING_SQUARE_BY_COLOR_FILE[uStrong][FILE(cPawn)];
+ *piScore = (pos->iMaterialBalance[uStrong] +
+ VALUE_QUEEN + (2 * VALUE_PAWN) -
+ (RANK_DISTANCE(cPawn, cQueen) * 32));
+ if (pos->uToMove == uWeak)
+ {
+ *piScore *= -1;
+ return(RECOGN_UPPER);
+ }
+ return(RECOGN_LOWER);
+ }
+ }
+ }
+
+ //
+ // If we get here then the weak king is as close to or
+ // closer to the lone passer than the strong king -or- the
+ // weak king is as close to or closer to the passer's
+ // critical squares than the strong king. This may still
+ // be won for the strong side but we don't know -- the
+ // logic is ugly. This is still at best drawn for the
+ // weak side though.
+ //
+ *piScore = 0;
+ if (pos->uToMove == uStrong)
+ {
+ return(RECOGN_LOWER);
+ }
+ return(RECOGN_UPPER);
+}
+
+
+static void
+_NewRecognizer(IN RECOGNIZER *pFunct,
+ IN ULONG uWhiteSig,
+ IN ULONG uBlackSig)
+/**
+
+Routine description:
+
+ Register a recognizer function.
+
+Parameters:
+
+ RECOGNIZER *pFunct,
+ ULONG uWhiteSig,
+ ULONG uBlackSig
+
+Return value:
+
+ static void
+
+**/
+{
+ g_bvRecognizerAvailable[uWhiteSig] |= (1 << uBlackSig);
+ g_bvRecognizerAvailable[uBlackSig] |= (1 << uWhiteSig);
+ g_pRecognizers[RECOGN_INDEX(uWhiteSig, uBlackSig)] = pFunct;
+}
+
+void
+InitializeInteriorNodeRecognizers(void)
+/**
+
+Routine description:
+
+ Init this recognizer module
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ memset(g_pRecognizers, 0, sizeof(g_pRecognizers));
+ memset(g_bvRecognizerAvailable, 0, sizeof(g_bvRecognizerAvailable));
+
+ // KK P N B R Q
+ _NewRecognizer(_RecognizeKK,
+ _MakeMaterialSig(0, 0, 0, 0, 0),
+ _MakeMaterialSig(0, 0, 0, 0, 0));
+
+ // KB+K P N B R Q
+ _NewRecognizer(_RecognizeKBK,
+ _MakeMaterialSig(0, 0, 1, 0, 0),
+ _MakeMaterialSig(0, 0, 0, 0, 0));
+
+ // KB+KB+ P N B R Q
+ _NewRecognizer(_RecognizeKBK,
+ _MakeMaterialSig(0, 0, 1, 0, 0),
+ _MakeMaterialSig(0, 0, 1, 0, 0));
+
+ // KN+K P N B R Q
+ _NewRecognizer(_RecognizeKNK,
+ _MakeMaterialSig(0, 1, 0, 0, 0),
+ _MakeMaterialSig(0, 0, 0, 0, 0));
+
+ // KN+KN+ P N B R Q
+ _NewRecognizer(_RecognizeKNK,
+ _MakeMaterialSig(0, 1, 0, 0, 0),
+ _MakeMaterialSig(0, 1, 0, 0, 0));
+
+ // KN+KB+ P N B R Q
+ _NewRecognizer(_RecognizeKBNK,
+ _MakeMaterialSig(0, 1, 0, 0, 0),
+ _MakeMaterialSig(0, 0, 1, 0, 0));
+
+ // KN+B+K P N B R Q
+ _NewRecognizer(_RecognizeKBNK,
+ _MakeMaterialSig(0, 1, 1, 0, 0),
+ _MakeMaterialSig(0, 0, 0, 0, 0));
+
+ // KN+KP+ P N B R Q
+ _NewRecognizer(_RecognizeKNKP,
+ _MakeMaterialSig(1, 0, 0, 0, 0),
+ _MakeMaterialSig(0, 1, 0, 0, 0));
+
+ // KB+KP+ P N B R Q
+ _NewRecognizer(_RecognizeKBKP,
+ _MakeMaterialSig(1, 0, 0, 0, 0),
+ _MakeMaterialSig(0, 0, 1, 0, 0));
+
+ // KP+B+KP+ P N B R Q
+ _NewRecognizer(_RecognizeKBKP,
+ _MakeMaterialSig(1, 0, 1, 0, 0),
+ _MakeMaterialSig(1, 0, 0, 0, 0));
+
+
+ // KP+B+K P N B R Q
+ _NewRecognizer(_RecognizeKBKP,
+ _MakeMaterialSig(1, 0, 1, 0, 0),
+ _MakeMaterialSig(0, 0, 0, 0, 0));
+
+ // KP+K P N B R Q
+ _NewRecognizer(_RecognizeKPK,
+ _MakeMaterialSig(0, 0, 0, 0, 0),
+ _MakeMaterialSig(1, 0, 0, 0, 0));
+
+ // KP+KP+ P N B R Q
+ _NewRecognizer(_RecognizeKPK,
+ _MakeMaterialSig(1, 0, 0, 0, 0),
+ _MakeMaterialSig(1, 0, 0, 0, 0));
+}
+
+
+ULONG
+RecognLookup(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piScore,
+ IN FLAG fProbeEGTB)
+/**
+
+Routine description:
+
+ This is the interface to the recogn module; it is called from
+ Search and Qsearch. Its job is to: 1. check high speed internal
+ node recognizer functions if a recognizable material signature is
+ present on the board and 2. probe on-disk EGTB files if no useful
+ recognizer result is found.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE *piScore,
+ FLAG fProbeEGTB
+
+Return value:
+
+ ULONG
+
+**/
+{
+ ULONG uVal;
+ POSITION *pos = &ctx->sPosition;
+ ULONG uSig[2];
+ RECOGNIZER *pRec;
+ SCORE iScore;
+
+ //
+ // Try interior node recognizers
+ //
+ if ((pos->uNonPawnCount[WHITE][0] <= 3) &&
+ (pos->uNonPawnCount[BLACK][0] <= 3))
+ {
+ uSig[BLACK] = _MakeMaterialSig((pos->uPawnCount[BLACK] > 0),
+ (pos->uNonPawnCount[BLACK][KNIGHT] > 0),
+ (pos->uNonPawnCount[BLACK][BISHOP] > 0),
+ (pos->uNonPawnCount[BLACK][ROOK] > 0),
+ (pos->uNonPawnCount[BLACK][QUEEN] > 0));
+ uSig[WHITE] = _MakeMaterialSig((pos->uPawnCount[WHITE] > 0),
+ (pos->uNonPawnCount[WHITE][KNIGHT] > 0),
+ (pos->uNonPawnCount[WHITE][BISHOP] > 0),
+ (pos->uNonPawnCount[WHITE][ROOK] > 0),
+ (pos->uNonPawnCount[WHITE][QUEEN] > 0));
+ pRec = g_pRecognizers[RECOGN_INDEX(uSig[WHITE], uSig[BLACK])];
+ if (NULL != pRec)
+ {
+ if (g_bvRecognizerAvailable[uSig[WHITE]] & (1 << uSig[BLACK]))
+ {
+ uVal = pRec(ctx, &iScore);
+ if (UNRECOGNIZED != uVal)
+ {
+ *piScore = iScore;
+ ASSERT((-NMATE < iScore) && (iScore < +NMATE));
+ ASSERT(_SanityCheckRecognizers(ctx, iScore, uVal));
+ return(uVal);
+ }
+ }
+ }
+ }
+
+ //
+ // Try EGTB probe as long as some conditions are met
+ //
+ if ((FALSE != fProbeEGTB) &&
+ ((pos->uNonPawnCount[WHITE][0] + pos->uNonPawnCount[BLACK][0] +
+ pos->uPawnCount[WHITE] + pos->uPawnCount[BLACK]) <= 5))
+ {
+ if (TRUE == ProbeEGTB(ctx, &iScore))
+ {
+ //
+ // We have an exact score from EGTB but if it's a mate in N
+ // we still have to adjust it for the present ply.
+ //
+ if (iScore >= +NMATE) {
+ iScore -= ctx->uPly;
+ }
+ else if (iScore <= -NMATE) {
+ iScore += ctx->uPly;
+ }
+#ifdef DEBUG
+ else
+ {
+ ASSERT(iScore == 0); // iDrawValue[side]
+ }
+#endif
+ *piScore = iScore;
+ return(RECOGN_EXACT);
+ }
+ }
+ return(UNRECOGNIZED);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ root.c
+
+Abstract:
+
+ Routines dealing with the root of the search tree. Specifically
+ move ordering at the root node, searching, search support, pondering,
+ pondering support, and the main iterative deepening loop.
+
+Author:
+
+
+Revision History:
+
+ $Id: root.c 356 2008-07-02 16:18:12Z scott $
+
+**/
+
+#include "chess.h"
+
+volatile MOVE_TIMER g_MoveTimer;
+ULONG g_uIterateDepth;
+ULONG g_uSoftExtendLimit;
+ULONG g_uHardExtendLimit;
+ULONG g_uExtensionReduction[MAX_PLY_PER_SEARCH];
+FLAG g_fCanSplit[MAX_PLY_PER_SEARCH];
+SCORE g_iRootScore[2] = {0, 0};
+SCORE g_iScore;
+
+
+static void
+_SetMoveTimerForPonder(void)
+/**
+
+Routine description:
+
+ Set the move timer before a ponder operation. A time limit of -1
+ means search forever... so the only way out of the ponder is for
+ new user input to interrupt it.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.dSoftTimeLimit = -1;
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.uNodeCheckMask = 0x200 - 1;
+ g_MoveTimer.bvFlags = 0;
+}
+
+
+void
+SetMoveTimerToThinkForever(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.dSoftTimeLimit = -1;
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.uNodeCheckMask = 0x1000000 - 1;
+ g_MoveTimer.bvFlags = 0;
+}
+
+
+void
+SetMoveTimerForSearch(FLAG fSwitchOver, ULONG uColor)
+/**
+
+Routine description:
+
+ Set the move timer for a search operation.
+
+Parameters:
+
+ FLAG fSwitchOver : if TRUE then this search is a converted ponder
+ (i.e. they made the ponder move and now we are searching).
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uMovesDone = GetMoveNumber(uColor);
+ double dClock = (double)g_Options.uMyClock;
+ double dSec = 0;
+ ULONG uMargin = 0;
+ ULONG uMovesToDo;
+
+ //
+ // If switching over from a ponder search leave the start time and
+ // move flags alone (i.e. N seconds in the past already).
+ //
+ if (FALSE == fSwitchOver)
+ {
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.bvFlags = 0;
+ }
+
+ //
+ // Check the clock more often in search if there is little time
+ // left on the clock -- we can't afford an oversearch when the
+ // bullet game is down to the wire.
+ //
+#ifdef DEBUG
+ g_MoveTimer.uNodeCheckMask = 0x800 - 1;
+#else
+ if (WeAreRunningASuite())
+ {
+ g_MoveTimer.uNodeCheckMask = 0x20000 - 1;
+ }
+ else if (g_Options.u64MaxNodeCount)
+ {
+ g_MoveTimer.uNodeCheckMask = 0x1000 - 1;
+ }
+ else
+ {
+ if (dClock < 10.0)
+ {
+ g_MoveTimer.uNodeCheckMask = 0x400 - 1;
+ }
+ else
+ {
+ g_MoveTimer.uNodeCheckMask = 0x8000 - 1;
+ }
+ }
+#endif
+
+ switch (g_Options.eClock)
+ {
+ //
+ // Fixed time per move. Think for g_uMyIncrement seconds exactly and
+ // no hard time limit.
+ //
+ case CLOCK_FIXED:
+ dSec = (double)g_Options.uMyIncrement;
+ uMargin = 0;
+ break;
+
+ //
+ // N moves per time control or entire game in time control.
+ //
+ case CLOCK_NORMAL:
+ if (g_Options.uMovesPerTimePeriod != 0)
+ {
+ //
+ // N moves per time control.
+ //
+ ASSERT(g_Options.uMovesPerTimePeriod < 256);
+ uMovesToDo =
+ (g_Options.uMovesPerTimePeriod -
+ ((uMovesDone - 1) % g_Options.uMovesPerTimePeriod));
+#ifdef DEBUG
+ Trace("SetMoveTimer: %u moves left to do this in %s sec.\n",
+ uMovesToDo, TimeToString(dClock));
+#endif
+ ASSERT(uMovesToDo <= g_Options.uMovesPerTimePeriod);
+ dSec = (dClock / (double)uMovesToDo);
+ dSec *= 0.95;
+ uMargin = (ULONG)(dSec * 2.2);
+ if (uMovesToDo <= 5)
+ {
+ dSec *= 0.75;
+ uMargin /= 2;
+ }
+ break;
+ }
+ else
+ {
+ //
+ // Fixed time finish entire game.
+ //
+#ifdef DEBUG
+ Trace("SetMoveTimer: finish the game in %s sec.\n",
+ TimeToString(dClock));
+#endif
+ dSec = dClock / 60;
+ uMargin = (ULONG)(dSec * 2.2);
+ }
+ break;
+
+ //
+ // We get back a certain number of seconds with each move made.
+ //
+ case CLOCK_INCREMENT:
+ dSec = g_Options.uMyIncrement;
+ dSec += (dClock / 50);
+ uMargin = (int)(dSec * 2.2);
+
+#ifdef DEBUG
+ Trace("SetMoveTimer: finish the game in %s sec (+%u per move).\n",
+ TimeToString(dClock), g_Options.uMyIncrement);
+#endif
+
+ //
+ // If we are running out of time, think for less than the
+ // increment.
+ //
+ if (dClock < 20.0)
+ {
+ dSec -= g_Options.uMyIncrement;
+ uMargin = 0;
+ }
+ ASSERT(dSec > 0);
+ break;
+
+ case CLOCK_NONE:
+#ifdef DEBUG
+ Trace("SetMoveTimer: no time limit, think until interrupted.\n");
+#endif
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.dSoftTimeLimit = -1;
+ goto post;
+
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+ if ((dSec + uMargin) >= (dClock * 7 / 8)) uMargin = 0;
+ g_MoveTimer.dSoftTimeLimit = g_MoveTimer.dStartTime + dSec;
+ g_MoveTimer.dHardTimeLimit = g_MoveTimer.dStartTime + dSec + uMargin;
+
+ post:
+ if (TRUE == g_Options.fShouldPost)
+ {
+ if (g_MoveTimer.dSoftTimeLimit > 0)
+ {
+ Trace("SetMoveTimer: Soft time limit %s seconds.\n",
+ TimeToString(g_MoveTimer.dSoftTimeLimit -
+ g_MoveTimer.dStartTime));
+ ASSERT(g_MoveTimer.dHardTimeLimit > 0);
+ Trace("SetMoveTimer: Hard time limit %s seconds.\n",
+ TimeToString(g_MoveTimer.dHardTimeLimit -
+ g_MoveTimer.dStartTime));
+ if (TRUE == fSwitchOver)
+ {
+ Trace("SetMoveTimer: Already searched %s seconds.\n",
+ TimeToString(SystemTimeStamp() -
+ g_MoveTimer.dStartTime));
+ }
+ }
+#ifdef DEBUG
+ Trace("SetMoveTimer: Checking input and timer every %u nodes.\n",
+ g_MoveTimer.uNodeCheckMask);
+#endif
+ }
+}
+
+
+void
+ReInitializeSearcherContext(POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Reinitializes a SEARCHER_THREAD_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != pos)
+ {
+ memmove(&(ctx->sPosition), pos, sizeof(POSITION));
+ }
+ ctx->uPly = 0;
+ ctx->uPositional = 133;
+ memset(&(ctx->sCounters), 0, sizeof(COUNTERS));
+}
+
+
+void
+InitializeSearcherContext(POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Initialize a SEARCHER_THREAD_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ memset(ctx, 0, sizeof(SEARCHER_THREAD_CONTEXT));
+ ReInitializeSearcherContext(pos, ctx);
+ ctx->sMoveStack.uUnblockedKeyValue[0] = 1;
+ for (u = 1;
+ u < MAX_PLY_PER_SEARCH;
+ u++)
+ {
+ ctx->sMoveStack.uUnblockedKeyValue[u] =
+ ctx->sMoveStack.uUnblockedKeyValue[u-1] + 0x28F5C28;
+ }
+}
+
+
+void
+InitializeLightweightSearcherContext(POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Initialize a LIGHTWEIGHT_SEARCHER_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ memset(ctx, 0, sizeof(LIGHTWEIGHT_SEARCHER_CONTEXT));
+ if (NULL != pos)
+ {
+ memmove(&(ctx->sPosition), pos, sizeof(POSITION));
+ }
+ ctx->uPly = 0;
+ ctx->uPositional = 133;
+ ctx->sMoveStack.uUnblockedKeyValue[0] = 1;
+ for (u = 1;
+ u < MAX_PLY_PER_SEARCH;
+ u++)
+ {
+ ctx->sMoveStack.uUnblockedKeyValue[u] =
+ ctx->sMoveStack.uUnblockedKeyValue[u-1] + 0x28F5C28;
+ }
+}
+
+
+void
+PostMoveSearchReport(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Dump a report to stdout after every move.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+
+Return value:
+
+ void
+
+**/
+{
+ double d;
+ char buf[256];
+#ifdef PERF_COUNTERS
+ double n;
+#endif
+ d = (double)g_MoveTimer.dEndTime - (double)g_MoveTimer.dStartTime + 0.01;
+ ASSERT(d);
+ Trace("---------------------------------------------\n"
+ "Searched for %5.1f seconds, saw %"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " nodes (%"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " qnodes) (%6.0f nps).\n",
+ d, ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->sCounters.tree.u64QNodeCount,
+ ((double)ctx->sCounters.tree.u64TotalNodeCount / d));
+ if (g_Options.fThinking)
+ {
+ snprintf(buf, ARRAY_LENGTH(buf), "d%u, %s, %3.1fs, %6.0fknps, PV=%s",
+ ctx->uRootDepth / ONE_PLY,
+ ScoreToString(ctx->iRootScore),
+ d,
+ ((double)ctx->sCounters.tree.u64TotalNodeCount / d / 1000),
+ ctx->szLastPV);
+ Trace("tellothers %s\n", buf);
+ }
+#ifdef MP
+#ifdef PERF_COUNTERS
+ if (ctx->sCounters.parallel.uNumSplits > 0)
+ {
+ n = (double)ctx->sCounters.parallel.uNumSplits;
+ Trace("Split %u times total ",
+ ctx->sCounters.parallel.uNumSplits);
+ Trace("(~%7.2fx/sec).\n", (n / d));
+ d = n + 1;
+ ASSERT(d);
+ n = (double)ctx->sCounters.parallel.uNumSplitsTerminated;
+ Trace(" ...%u (%5.2f percent) terminated early.\n",
+ ctx->sCounters.parallel.uNumSplitsTerminated, ((n/d) * 100.0));
+ DumpHelperIdlenessReport();
+ }
+#endif
+#endif
+
+#ifdef TEST
+ AnalyzeFullHashTable();
+#endif
+#ifdef PERF_COUNTERS
+ d = (double)(ctx->sCounters.hash.u64Probes) + 1;
+ ASSERT(d);
+ Trace("Hashing percentages: (%5.3f total, %5.3f useful)\n",
+ ((double)(ctx->sCounters.hash.u64OverallHits) / d) * 100.0,
+ ((double)(ctx->sCounters.hash.u64UsefulHits) / d) * 100.0);
+ d = (double)(ctx->sCounters.pawnhash.u64Probes) + 1;
+ ASSERT(d);
+ n = (double)(ctx->sCounters.pawnhash.u64Hits);
+ Trace("Pawn hash hitrate: %5.3f percent.\n", (n/d) * 100.0);
+ n = (double)(ctx->sCounters.tree.u64NullMoveSuccess);
+ d = (double)(ctx->sCounters.tree.u64NullMoves) + 1;
+ ASSERT(d);
+ Trace("Null move cutoff rate: %5.3f percent.\n",
+ ((n / d) * 100.0));
+#ifdef TEST_ENDGAME
+ n = (double)(ctx->sCounters.tree.u64EndgamePruningSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64EndgamePruningFailures);
+ if (d != 0.0)
+ {
+ Trace("Endgame pruning heuristic success rate was %5.3f percent.\n"
+ "Endgame pruning heuristic was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64EndgamePruningSuccess,
+ (ctx->sCounters.tree.u64EndgamePruningSuccess +
+ ctx->sCounters.tree.u64EndgamePruningFailures));
+ }
+ else
+ {
+ Trace("Never used endgame pruning heuristic.\n");
+ }
+#endif
+#ifdef TEST_NULL
+ n = (double)(ctx->sCounters.tree.u64AvoidNullSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64AvoidNullFailures);
+ if (d != 0.0)
+ {
+ Trace("Avoid null move heuristic rate was %5.3f percent.\n"
+ "Avoid null move heuristic was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64AvoidNullSuccess,
+ (ctx->sCounters.tree.u64AvoidNullSuccess +
+ ctx->sCounters.tree.u64AvoidNullFailures));
+ }
+ else
+ {
+ Trace("Never used the avoid null move heuristic.\n");
+ }
+ n = (double)(ctx->sCounters.tree.u64QuickNullSuccess);
+ n += (double)(ctx->sCounters.tree.u64QuickNullDeferredSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64QuickNullFailures);
+ if (d != 0.0)
+ {
+ Trace("Quick null move heuristic rate was %5.3f percent.\n"
+ "Quick null move heuristic rate was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " ("
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ") / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64QuickNullSuccess,
+ ctx->sCounters.tree.u64QuickNullDeferredSuccess,
+ (ctx->sCounters.tree.u64QuickNullSuccess +
+ ctx->sCounters.tree.u64QuickNullDeferredSuccess +
+ ctx->sCounters.tree.u64QuickNullFailures));
+ }
+ else
+ {
+ Trace("Never used the quick null move heuristic.\n");
+ }
+#endif
+ n = (double)ctx->sCounters.tree.u64BetaCutoffsOnFirstMove;
+ d = (double)ctx->sCounters.tree.u64BetaCutoffs + 1;
+ Trace("First move beta cutoff rate was %5.3f percent.\n",
+ ((n / d) * 100.0));
+#ifdef LAZY_EVAL
+ d = (double)ctx->sCounters.tree.u64LazyEvals;
+ d += (double)ctx->sCounters.tree.u64FullEvals;
+ d += (double)ctx->sCounters.tree.u64EvalHashHits;
+ d += 1;
+ ASSERT(d);
+ Trace("Eval percentages: (%5.2f hash, %5.2f lazy, %5.2f full)\n",
+ ((double)ctx->sCounters.tree.u64EvalHashHits / d) * 100.0,
+ ((double)ctx->sCounters.tree.u64LazyEvals / d) * 100.0,
+ ((double)ctx->sCounters.tree.u64FullEvals / d) * 100.0);
+#endif
+ Trace("Extensions: (%u +, %u q+, %u 1mv, %u !kmvs, %u mult+, %u pawn\n"
+ " %u threat, %u zug, %u sing, %u endg, %u bm, %u recap)\n",
+ ctx->sCounters.extension.uCheck,
+ ctx->sCounters.extension.uQExtend,
+ ctx->sCounters.extension.uOneLegalMove,
+ ctx->sCounters.extension.uNoLegalKingMoves,
+ ctx->sCounters.extension.uMultiCheck,
+ ctx->sCounters.extension.uPawnPush,
+ ctx->sCounters.extension.uMateThreat,
+ ctx->sCounters.extension.uZugzwang,
+ ctx->sCounters.extension.uSingularReplyToCheck,
+ ctx->sCounters.extension.uEndgame,
+ ctx->sCounters.extension.uBotvinnikMarkoff,
+ ctx->sCounters.extension.uRecapture);
+#ifdef EVAL_TIME
+ n = (double)ctx->sCounters.tree.u64CyclesInEval;
+ Trace("Avg. cpu cycles in eval: %8.1f.\n", (n / d));
+#endif
+#endif
+}
+
+
+SCORE
+RootSearch(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth)
+/**
+
+Routine description:
+
+ Search at the root of the whole tree.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth,
+
+Return value:
+
+ SCORE
+
+**/
+{
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ SCORE iBestScore = -INFINITY;
+ SCORE iInitialAlpha = iAlpha;
+ MOVE mv;
+ ULONG x, y;
+ SCORE iScore;
+ ULONG uNextDepth;
+ UINT64 u64StartingNodeCount;
+ ULONG uNumLegalMoves;
+
+#ifdef DEBUG
+ POSITION *pos = &ctx->sPosition;
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT((ctx->uPly == 0) || (ctx->uPly == 1)); // 1 is for under a ponder
+ memcpy(&pi->sPosition, pos, sizeof(POSITION));
+#endif
+
+ ctx->sCounters.tree.u64TotalNodeCount++;
+ pi->PV[ctx->uPly] = NULLMOVE;
+ pi->mvBest = NULLMOVE;
+ g_MoveTimer.bvFlags |= TIMER_SEARCHING_FIRST_MOVE;
+#ifdef DEBUG
+ Trace("---- depth=%u, a=%d, b=%d ----\n", uDepth / ONE_PLY, iAlpha, iBeta);
+#endif
+
+ uNumLegalMoves = 0;
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ SelectMoveAtRoot(ctx, x);
+ if (ctx->sMoveStack.mvf[x].bvFlags & MVF_MOVE_SEARCHED) break;
+ ctx->sMoveStack.mvf[x].bvFlags |= MVF_MOVE_SEARCHED;
+ mv = ctx->sMoveStack.mvf[x].mv;
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+
+ if (MakeMove(ctx, mv))
+ {
+ uNumLegalMoves++;
+ u64StartingNodeCount = ctx->sCounters.tree.u64TotalNodeCount;
+
+ //
+ // TODO: Fancy recap shit here?
+ //
+
+ uNextDepth = uDepth - ONE_PLY;
+ if (IS_CHECKING_MOVE(mv))
+ {
+ uNextDepth += HALF_PLY;
+ ctx->sPlyInfo[ctx->uPly].iExtensionAmount = HALF_PLY;
+ }
+
+ ctx->sSearchFlags.fVerifyNullmove = TRUE;
+ ctx->sSearchFlags.uQsearchDepth = 0;
+ if (uNumLegalMoves == 1)
+ {
+ //
+ // Move 1, full a..b window
+ //
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ else
+ {
+ //
+ // Moves 2..N, minimal window search
+ //
+ ASSERT(x > 0);
+ ASSERT(uNumLegalMoves > 1);
+ iScore = -Search(ctx, -iAlpha - 1, -iAlpha, uNextDepth);
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ }
+ ctx->sSearchFlags.fVerifyNullmove = FALSE;
+ UnmakeMove(ctx, mv);
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ iBestScore = INVALID_SCORE;
+ goto end;
+ }
+#ifdef DEBUG
+ Trace("%2u. %-8s => node=%" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ ", predict=%d, actual=%d, ",
+ x + 1,
+ MoveToSan(mv, &ctx->sPosition),
+ u64StartingNodeCount,
+ ctx->sMoveStack.mvf[x].iValue,
+ iScore);
+ ASSERT(PositionsAreEquivalent(&pi->sPosition, &ctx->sPosition));
+#endif
+ //
+ // Keep track of how many moves are under each one we
+ // search and use this as the basis for root move ordering
+ // next iteration.
+ //
+ u64StartingNodeCount = (ctx->sCounters.tree.u64TotalNodeCount -
+ u64StartingNodeCount);
+ u64StartingNodeCount >>= 9;
+ u64StartingNodeCount &= (MAX_INT / 4);
+ ctx->sMoveStack.mvf[x].iValue =
+ (SCORE)(u64StartingNodeCount + iScore);
+#ifdef DEBUG
+ Trace("next_predict: %d\n", ctx->sMoveStack.mvf[x].iValue);
+ ASSERT(iBestScore <= iAlpha);
+ ASSERT(iAlpha < iBeta);
+#endif
+ if (iScore > iBestScore)
+ {
+ iBestScore = iScore;
+ pi->mvBest = mv;
+ if (iScore > iAlpha)
+ {
+ //
+ // We have a best move so far. As of now it is
+ // the one we'll be playing. Also make sure to
+ // search it first at the next depth.
+ //
+#ifdef DEBUG
+ Trace("Best so far... root score=%d.\n", iScore);
+#endif
+ ctx->mvRootMove = mv;
+ ctx->iRootScore = iScore;
+ ctx->uRootDepth = uDepth;
+ ctx->sMoveStack.mvf[x].iValue = MAX_INT;
+
+ //
+ // If there was a previous PV move then knock its
+ // score down so that it will be considered second
+ // on the next depth.
+ //
+ for (y = ctx->sMoveStack.uBegin[ctx->uPly];
+ y < x;
+ y++)
+ {
+ if (ctx->sMoveStack.mvf[y].iValue == MAX_INT)
+ {
+ ctx->sMoveStack.mvf[y].iValue /= 2;
+ }
+ }
+
+ UpdatePV(ctx, mv);
+ if (iScore >= iBeta)
+ {
+ //
+ // Root fail high...
+ //
+ UpdateDynamicMoveOrdering(ctx,
+ uDepth,
+ mv,
+ iScore,
+ x + 1);
+ UtilPrintPV(ctx, iAlpha, iBeta, iScore, mv);
+ KEEP_TRACK_OF_FIRST_MOVE_FHs(iBestScore == -INFINITY);
+ ctx->sMoveStack.mvf[x].bvFlags &= ~MVF_MOVE_SEARCHED;
+ goto end;
+ }
+ else
+ {
+ //
+ // Root PV change...
+ //
+ UtilPrintPV(ctx, iAlpha, iBeta, iScore, mv);
+ iAlpha = iScore;
+ }
+ }
+ }
+ g_MoveTimer.bvFlags &= ~TIMER_SEARCHING_FIRST_MOVE;
+ }
+ }
+
+ if (iAlpha == iInitialAlpha)
+ {
+ //
+ // Root fail low...
+ //
+ ASSERT(iBestScore <= iAlpha);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ UtilPrintPV(ctx, iAlpha, iBeta, iBestScore, mv);
+ }
+
+ end:
+ return(iBestScore);
+}
+
+
+
+static GAME_RESULT
+_DetectPreMoveTerminalStates(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fInCheck,
+ MOVE *pmv) {
+ ULONG u;
+ MOVE mv;
+ MOVE mvLegal;
+ ULONG uNumLegal = 0;
+ GAME_RESULT ret;
+ POSITION *pos = &ctx->sPosition;
+ ULONG uMajors[2], uMinors[2], uWhiteBishops[2], uBlackBishops[2];
+
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+ pmv->uMove = 0;
+
+ // Look for insufficient material.
+ FOREACH_COLOR(u) {
+ uMajors[u] = (pos->uNonPawnCount[u][ROOK] +
+ pos->uNonPawnCount[u][QUEEN]);
+ uMinors[u] = (pos->uNonPawnCount[u][KNIGHT] +
+ pos->uNonPawnCount[u][BISHOP]);
+ uWhiteBishops[u] = pos->uWhiteSqBishopCount[u];
+ uBlackBishops[u] = pos->uNonPawnCount[u][BISHOP] - uWhiteBishops[u];
+ }
+ FOREACH_COLOR(u) {
+ if ((pos->uPawnCount[u] != 0) ||
+ (pos->uPawnCount[FLIP(u)] != 0)) {
+ continue;
+ }
+ if (pos->uNonPawnCount[u][0] == 1) {
+ if (uMajors[FLIP(u)] == 0 &&
+ uMinors[FLIP(u)] == 1) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "insufficient material");
+ return ret;
+ } else if (uMajors[FLIP(u)] == 0 &&
+ (uMinors[FLIP(u)] == uWhiteBishops[FLIP(u)] ||
+ uMinors[FLIP(u)] == uBlackBishops[FLIP(u)])) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "insufficient material");
+ return ret;
+ }
+ } else if ((pos->uNonPawnCount[u][0] == 1 + uWhiteBishops[u] &&
+ pos->uNonPawnCount[FLIP(u)][0] ==
+ 1 + uWhiteBishops[FLIP(u)]) ||
+ (pos->uNonPawnCount[u][0] == 1 + uBlackBishops[u] &&
+ pos->uNonPawnCount[FLIP(u)][0] ==
+ 1 + uBlackBishops[FLIP(u)])) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "insufficient material");
+ return ret;
+ }
+ }
+
+ // Count the number of legal moves the side on move has in this position.
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++) {
+ mv = ctx->sMoveStack.mvf[u].mv;
+ if (MakeMove(ctx, mv)) {
+ mvLegal = mv;
+ uNumLegal += 1;
+ UnmakeMove(ctx, mv);
+ if (uNumLegal > 1) {
+ return ret;
+ }
+ }
+ }
+
+ // If there's only one legal move then tell the caller what it is.
+ if (uNumLegal == 1) {
+ *pmv = mvLegal;
+ return ret;
+ }
+
+ // There are no legal moves so its checkmate or stalemate.
+ ASSERT(uNumLegal == 0);
+ if (TRUE == fInCheck) {
+ if (ctx->sPosition.uToMove == WHITE) {
+ ret.eResult = RESULT_BLACK_WON;
+ strcpy(ret.szDescription, "black checkmated white");
+ return ret;
+ }
+ ret.eResult = RESULT_WHITE_WON;
+ strcpy(ret.szDescription, "white checkmated black");
+ return ret;
+ }
+ ret.eResult = RESULT_DRAW;
+ sprintf(ret.szDescription, "%s stalemated %s",
+ (ctx->sPosition.uToMove == WHITE) ? "black" : "white",
+ (ctx->sPosition.uToMove == WHITE) ? "while" : "black");
+ return ret;
+}
+
+
+
+static GAME_RESULT
+_DetectPostMoveTerminalStates(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ This function is called by Iterate and MakeTheMove to declare
+ wins/losses/draws.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG
+
+**/
+{
+ GAME_RESULT ret;
+ FLAG fInCheck = InCheck(&ctx->sPosition, ctx->sPosition.uToMove);
+
+ // Did we just make the 50th+ move without progress?
+ if (ctx->sPosition.uFifty >= 100) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "fifty moves without progress");
+ return ret;
+ }
+ GenerateMoves(ctx, NULLMOVE, (fInCheck ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+
+ // Did we just repeat a position for the 3rd time?
+ if (IsLegalDrawByRepetition()) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "third repetition of position");
+ return ret;
+ }
+
+ // Otherwise look for checkmates, stalemates and insufficient material.
+ MOVE mvUnused;
+ return _DetectPreMoveTerminalStates(ctx,
+ fInCheck,
+ &mvUnused);
+}
+
+
+static void
+_IterateSetSearchGlobals(ULONG uDepth)
+{
+ ULONG u, v;
+ ULONG uDontSplitLessThan;
+
+ //
+ // Set some globals that will be used throughout this search.
+ //
+ g_uIterateDepth = uDepth;
+ ASSERT(g_uIterateDepth > 0);
+ ASSERT(g_uIterateDepth < MAX_PLY_PER_SEARCH);
+
+ //
+ // For use in scaling back extensions that are very far from
+ // the root.
+ //
+ // Iterate g_Soft g_Hard
+ // | | | | | | | | |
+ // 0 1 2 2.5 3 3.5 4 (x Iterate)
+ // |-------------------|----|----|---------|----...
+ // |full full full full|-1/4|-1/2|-3/4 -3/4|none...
+ //
+ g_uSoftExtendLimit = g_uIterateDepth * 2;
+ g_uHardExtendLimit = g_uIterateDepth * 4;
+ for (u = 0; u < MAX_PLY_PER_SEARCH; u++)
+ {
+ if (u < g_uSoftExtendLimit)
+ {
+ g_uExtensionReduction[u] = 0;
+ }
+ else if (u < (g_uSoftExtendLimit + g_uIterateDepth / 2))
+ {
+ g_uExtensionReduction[u] = QUARTER_PLY;
+ }
+ else if (u < (g_uSoftExtendLimit + g_uIterateDepth))
+ {
+ g_uExtensionReduction[u] = HALF_PLY;
+ }
+ else if (u < g_uHardExtendLimit)
+ {
+ g_uExtensionReduction[u] = THREE_QUARTERS_PLY;
+ }
+ else
+ {
+ g_uExtensionReduction[u] = 5 * ONE_PLY;
+ }
+ }
+
+ //
+ // Determine how much depth we need below a point in the tree in
+ // order to split the search (which is based on iteration depth).
+ //
+ uDontSplitLessThan = (ULONG)((double)(uDepth) * 0.30);
+ for (v = 0; v < MAX_PLY_PER_SEARCH; v++)
+ {
+ g_fCanSplit[v] = ((v + 1) >= uDontSplitLessThan);
+ }
+ g_fCanSplit[0] = FALSE;
+}
+
+
+#define SKIP_GRADUAL_OPENING 600
+#define INITIAL_HALF_WINDOW 75
+#define FIRST_FAIL_STEP 150
+#define SECOND_FAIL_STEP 375
+
+void
+_IterateWidenWindow(ULONG uColor,
+ SCORE iScore,
+ SCORE *piBound,
+ ULONG *puState,
+ int iDir)
+{
+ SCORE iRoughScore = g_iRootScore[uColor];
+ static SCORE _Steps[] =
+ {
+ FIRST_FAIL_STEP,
+ SECOND_FAIL_STEP,
+ INFINITY
+ };
+
+// Trace("State = %u.\n", *puState);
+// Trace("Bound from %d to ", *piBound);
+ if ((abs(iRoughScore - iScore) > SKIP_GRADUAL_OPENING) ||
+ (*puState == 2))
+ {
+ *piBound = iDir * INFINITY;
+ *puState = 2;
+ }
+ else
+ {
+ ASSERT(*puState < 2);
+ *piBound = iScore;
+ *piBound += iDir * _Steps[*puState];
+ *puState += 1;
+ }
+// Trace("%d.\n", *piBound);
+// Trace("State = %u\n", *puState);
+}
+
+
+GAME_RESULT Iterate(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Main iterative deepening loop for both thinking and pondering.
+ Call RootSearch with progressively deeper depths while there is
+ remaining time, we haven't found a forced mate, and there's no
+ user interruption.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG : is the game over?
+
+**/
+{
+ ULONG uNumRootFailLows = 0;
+ ULONG uDepth;
+ ULONG uFailState = 0;
+ ULONG uColor;
+ ULONG u;
+ SCORE iAlpha = -INFINITY;
+ SCORE iBeta = +INFINITY;
+ SCORE iScore;
+ FLAG fInCheck = InCheck(&(ctx->sPosition), ctx->sPosition.uToMove);
+ MOVE mv;
+ GAME_RESULT ret;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+ VerifyPositionConsistency(&board, FALSE);
+#endif
+
+ uColor = ctx->sPosition.uToMove;
+ g_iRootScore[uColor] = GetRoughEvalScore(ctx, iAlpha, iBeta, TRUE);
+ g_iRootScore[FLIP(uColor)] = -g_iRootScore[uColor];
+
+ //
+ // Generate moves here so that RootSearch doesn't have to.
+ //
+ ASSERT((ctx->uPly == 0) || (ctx->uPly == 1)); // 1 is under a ponder
+ ctx->sPlyInfo[ctx->uPly].fInCheck = fInCheck;
+ GenerateMoves(ctx, NULLMOVE, (fInCheck ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+ ASSERT(ctx->sMoveStack.uBegin[0] == 0);
+
+ //
+ // See if we are sitting at a checkmate or stalemate position; no
+ // sense searching if so.
+ //
+ ret = _DetectPreMoveTerminalStates(ctx,
+ fInCheck,
+ &mv);
+ if (ret.eResult != RESULT_IN_PROGRESS) {
+ goto end;
+ }
+
+ // Game still in progress but only one legal move available?
+ if (mv.uMove != 0) {
+ ctx->mvRootMove = mv;
+ ctx->iRootScore = 0;
+ ctx->uRootDepth = 0;
+ ctx->sPlyInfo[0].PV[0] = mv;
+ ctx->sPlyInfo[0].PV[1] = NULLMOVE;
+ strcpy(ctx->szLastPV, "only");
+ if (!g_Options.fPondering) {
+ Trace("ONLY MOVE --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ g_MoveTimer.bvFlags |= TIMER_CURRENT_OBVIOUS;
+ } else {
+ Trace("ONLY PONDER --> move immediately if prediction correct.\n");
+ g_MoveTimer.bvFlags |= TIMER_MOVE_IMMEDIATELY;
+ g_MoveTimer.bvFlags |= TIMER_CURRENT_OBVIOUS;
+ }
+ goto end;
+ }
+
+ for (uDepth = 1;
+ uDepth <= g_Options.uMaxDepth;
+ uDepth++)
+ {
+ //
+ // Re-rank the moves based on nodecounts and mark all moves as
+ // not yet searched at this depth.
+ //
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++)
+ {
+ ctx->sMoveStack.mvf[u].bvFlags &= ~MVF_MOVE_SEARCHED;
+ }
+
+ //
+ // Make sure a..b window makes sense and set some other per-depth
+ // globals used by the search.
+ //
+ _IterateSetSearchGlobals(uDepth);
+
+ //
+ // Try to get a PV for this depth before we're out of time...
+ //
+ do
+ {
+ if (iBeta > INFINITY) iBeta = +INFINITY;
+ if (iAlpha < -INFINITY) iAlpha = -INFINITY;
+ if (iAlpha >= iBeta) iAlpha = iBeta - 1;
+ iScore = RootSearch(ctx,
+ iAlpha,
+ iBeta,
+ uDepth * ONE_PLY + HALF_PLY);
+ if (g_MoveTimer.bvFlags & TIMER_STOPPING) break;
+ mv = ctx->mvRootMove;
+
+ //
+ // Got a PV, we're done with this depth.
+ //
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ ASSERT(iScore == ctx->iRootScore);
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(&ctx->sPosition, mv));
+ iAlpha = iScore - INITIAL_HALF_WINDOW;
+ iBeta = iScore + INITIAL_HALF_WINDOW;
+ g_iRootScore[uColor] = iScore;
+ g_iRootScore[FLIP(uColor)] = -iScore;
+ g_MoveTimer.bvFlags &= ~TIMER_RESOLVING_ROOT_FH;
+ g_MoveTimer.bvFlags &= ~TIMER_RESOLVING_ROOT_FL;
+ uFailState = 0;
+ (void)CheckTestSuiteMove(mv, iScore, uDepth);
+ break;
+ }
+
+ //
+ // Root fail low? We'll have to research with a wider
+ // window.
+ //
+ else if (iScore <= iAlpha)
+ {
+ ASSERT(ctx->mvRootMove.uMove);
+ g_MoveTimer.bvFlags |= TIMER_RESOLVING_ROOT_FL;
+ uNumRootFailLows++;
+ if (uNumRootFailLows > 3)
+ {
+ g_MoveTimer.bvFlags |= TIMER_MANY_ROOT_FLS;
+ }
+ _IterateWidenWindow(uColor, iScore, &iAlpha, &uFailState, -1);
+
+ //
+ // Consider all moves again with wider window...
+ //
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++)
+ {
+ ctx->sMoveStack.mvf[u].bvFlags &= ~MVF_MOVE_SEARCHED;
+ }
+ }
+
+ //
+ // Must be a root fail high.
+ //
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(&ctx->sPosition, mv));
+ g_MoveTimer.bvFlags |= TIMER_RESOLVING_ROOT_FH;
+ _IterateWidenWindow(uColor, iScore, &iBeta, &uFailState, +1);
+ }
+ }
+ while(1); // repeat until we run out of time or fall inside a..b
+
+ //
+ // We are here because either:
+ //
+ // 1. we completed a search depth,
+ // or 2. we ran out of time,
+ // or 3. there is one legal move and we want to make it immediately,
+ // or 4. there was user input and we unrolled the search.
+ //
+
+ //
+ // TODO: Scale back history between iterative depths?
+ //
+
+ //
+ // Mate-in-n when we have searched n? Stop searching.
+ //
+ if (IS_VALID_SCORE(iScore) &&
+ (ULONG)abs(iScore) >= (INFINITY - uDepth))
+ {
+ Trace("FORCED MATE --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ }
+
+ //
+ // Have we reached user's maxdepth option? Stop searching.
+ //
+ if (uDepth >= g_Options.uMaxDepth)
+ {
+ Trace("DEPTH LIMIT --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ }
+
+ //
+ // Did the move timer expire? Stop searching.
+ //
+ if (g_MoveTimer.bvFlags & TIMER_STOPPING) break;
+ }
+ g_Options.u64NodesSearched = ctx->sCounters.tree.u64TotalNodeCount;
+ g_MoveTimer.dEndTime = SystemTimeStamp();
+
+ //
+ // Here we are at the end of a search. If we were:
+ //
+ // ...Searching then: ...Pondering then:
+ //
+ // 1. we ran out of time 1. they made a different move than
+ // the predicted move and we aborted
+ // 2. we ran out of depth
+ // 2. we ran out of depth
+ // 3. we found a mate-in-n
+ // 3. we found a mate-in-n
+ // TODO: node count limit?
+ // (4. if they made the predicted move
+ // then we converted to a search)
+ //
+ ASSERT(ctx->mvRootMove.uMove);
+ ASSERT(SanityCheckMove(&board, ctx->mvRootMove));
+ if (g_MoveTimer.bvFlags & TIMER_RESOLVING_ROOT_FL)
+ {
+ ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly] = ctx->mvRootMove;
+ ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly+1] = NULLMOVE;
+ }
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+ end:
+ return ret;
+}
+
+void
+MakeTheMove(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Make the move that search selected in the official game list.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG
+
+**/
+{
+ MOVE mv = ctx->mvRootMove;
+ ASSERT(mv.uMove);
+
+ if (TRUE == g_Options.fThinking)
+ {
+ //
+ // TODO: keep track of how many moves in a row we are at or
+ // below a draw score and use this to respond to draw offers.
+ //
+
+ //
+ // Was this a search that converted from a ponder?
+ //
+ if (TRUE == g_Options.fSuccessfulPonder)
+ {
+ if (FALSE == OfficiallyMakeMove(g_Options.mvPonder, 0, FALSE))
+ {
+ UtilPanic(CANNOT_OFFICIALLY_MAKE_MOVE,
+ GetRootPosition(),
+ (void *)g_Options.mvPonder.uMove,
+ NULL,
+ NULL,
+ __FILE__,
+ __LINE__);
+ }
+ g_Options.fSuccessfulPonder = FALSE;
+ }
+
+ // Only do d2d4 stuff if we're under xboard -- it's the standard.
+ if (g_Options.fRunningUnderXboard) {
+ Trace("move %s\n", MoveToIcs(mv));
+ } else {
+ Trace("move %s\n", MoveToSan(mv, &ctx->sPosition));
+ }
+
+ if (FALSE == OfficiallyMakeMove(mv, g_iScore, FALSE))
+ {
+ UtilPanic(CANNOT_OFFICIALLY_MAKE_MOVE,
+ GetRootPosition(),
+ (void *)mv.uMove,
+ NULL,
+ NULL,
+ __FILE__,
+ __LINE__);
+ }
+ if (g_Options.fVerbosePosting)
+ {
+ PostMoveSearchReport(ctx);
+ PostMoveTestSuiteReport(ctx);
+ }
+ }
+ g_Options.fPondering = g_Options.fThinking = FALSE;
+}
+
+
+GAME_RESULT
+Ponder(POSITION *pos)
+/**
+
+Routine description:
+
+ Prepare to ponder.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static SEARCHER_THREAD_CONTEXT ctx;
+ GAME_RESULT ret;
+
+ InitializeSearcherContext(pos, &ctx);
+ g_Options.fPondering = TRUE;
+ g_Options.fThinking = FALSE;
+ g_Options.fSuccessfulPonder = FALSE;
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+
+ //
+ // When do we not want to ponder
+ //
+ if ((g_Options.ePlayMode == FORCE_MODE) || (g_Options.uMyClock < 10))
+ {
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+
+ //
+ // What should we ponder?
+ //
+ g_Options.mvPonder = GetPonderMove(pos);
+ if (g_Options.mvPonder.uMove == 0)
+ {
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+ ASSERT(SanityCheckMove(pos, g_Options.mvPonder));
+
+ //
+ // Prepare to ponder by doing some maintenance on the dynamic move
+ // ordering scheme counters, changing the dirty tag in the hash
+ // code, and clearing the root nodes-per-move hash.
+ //
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ //
+ // Make the move ponder move.
+ //
+ if (FALSE == MakeMove(&ctx, g_Options.mvPonder))
+ {
+ ASSERT(FALSE);
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+
+ //
+ // TODO: probe the book
+ //
+
+ _SetMoveTimerForPonder();
+
+ //
+ // TODO: Any preEval?
+ //
+
+ //
+ // TODO: Set draw value
+ //
+
+ MakeStatusLine();
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ ASSERT(ctx.uPly == 1);
+ ret = Iterate(&ctx);
+ ASSERT(ctx.uPly == 1);
+ if (ret.eResult == RESULT_IN_PROGRESS) {
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ } else {
+ return ret;
+ }
+}
+
+
+GAME_RESULT Think(POSITION *pos)
+/**
+
+Routine description:
+
+ Prepare to think.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static SEARCHER_THREAD_CONTEXT ctx;
+ static ULONG _resign_count = 0;
+ MOVE mvBook;
+ CHAR *p;
+
+ InitializeSearcherContext(pos, &ctx);
+ g_MoveTimer.bvFlags = 0;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ g_Options.fSuccessfulPonder = FALSE;
+
+ //
+ // Prepare to think by doing some maintenance on the dynamic move
+ // ordering scheme counters, changing the dirty tag in the hash
+ // code, and clearing the root nodes-per-move hash.
+ //
+ if (NULL != (p = PositionToFen(&(ctx.sPosition))))
+ {
+ Trace("The root position is: %s\n", p);
+ SystemFreeMemory(p);
+ }
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ //
+ // Check the opening book, maybe it has a move for us.
+ //
+ if (g_uBookProbeFailures < 3 &&
+ !WeAreRunningASuite() &&
+ g_Options.szBookName[0] != '\0') {
+ mvBook = BookMove(pos, BOOKMOVE_SELECT_MOVE);
+ if (mvBook.uMove == 0)
+ {
+ g_uBookProbeFailures++;
+ }
+ else
+ {
+ g_uBookProbeFailures = 0;
+ ASSERT(SanityCheckMove(pos, mvBook));
+ ctx.mvRootMove = mvBook;
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ }
+ }
+
+ //
+ // TODO: Any preEval?
+ //
+
+ //
+ // Set time limit for move
+ //
+ SetMoveTimerForSearch(FALSE, pos->uToMove);
+
+ //
+ // TODO: Set draw value
+ //
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ GAME_RESULT ret = Iterate(&ctx);
+ if (ret.eResult == RESULT_IN_PROGRESS) {
+ if (g_Options.iResignThreshold != 0 &&
+ g_iRootScore[ctx.sPosition.uToMove] < g_Options.iResignThreshold) {
+ _resign_count++;
+ if (_resign_count > 2) {
+ if (ctx.sPosition.uToMove == WHITE) {
+ ret.eResult = RESULT_BLACK_WON;
+ strcpy(ret.szDescription, "white resigned");
+ } else {
+ ret.eResult = RESULT_WHITE_WON;
+ strcpy(ret.szDescription, "black resigned"); }
+ Trace("tellics resign\n");
+ }
+ return ret;
+ } else {
+ _resign_count = 0;
+ }
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ } else {
+ return ret;
+ }
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ san.c
+
+Abstract:
+
+ Code to support Standard Algebraic Notation parsing. SAN is a
+ format for expressing moves: e.g. "Nd4".
+
+ See also ics.c.
+
+Author:
+
+
+Revision History:
+
+ $Id: san.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+CHAR g_cPieces[] = { 'P', 'N', 'B', 'R', 'Q', 'K', '\0' };
+
+static MOVE
+_ParseCastleSan(CHAR *szCapturedMove, POSITION *pos)
+/**
+
+Routine description:
+
+ Parse a SAN-format castle move string.
+
+Parameters:
+
+ CHAR *szCapturedMove,
+ POSITION *pos
+
+Return value:
+
+ static MOVE
+
+**/
+{
+ MOVE mv = {0};
+
+ ASSERT(IS_VALID_COLOR(pos->uToMove));
+ if ((!STRCMPI(szCapturedMove, "OO")) ||
+ (!STRCMPI(szCapturedMove, "00")))
+ {
+ switch(pos->uToMove)
+ {
+ case WHITE:
+ if ((pos->rgSquare[E1].pPiece != WHITE_KING) ||
+ (InCheck(pos, WHITE)))
+ {
+ goto end;
+ }
+
+ if (pos->bvCastleInfo & CASTLE_WHITE_SHORT)
+ {
+ ASSERT(pos->rgSquare[H1].pPiece == WHITE_ROOK);
+ if (!IS_EMPTY(pos->rgSquare[F1].pPiece) ||
+ !IS_EMPTY(pos->rgSquare[G1].pPiece) ||
+ IsAttacked(F1, pos, BLACK) ||
+ IsAttacked(G1, pos, BLACK))
+ {
+ goto end;
+ }
+ mv.uMove =
+ MAKE_MOVE(E1, G1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ goto end;
+ }
+ break;
+
+ case BLACK:
+ if ((pos->rgSquare[E8].pPiece != BLACK_KING) ||
+ (InCheck(pos, BLACK)))
+ {
+ goto end;
+ }
+
+ if (pos->bvCastleInfo & CASTLE_BLACK_SHORT)
+ {
+ ASSERT(pos->rgSquare[H8].pPiece == BLACK_ROOK);
+ if (!IS_EMPTY(pos->rgSquare[F8].pPiece) ||
+ !IS_EMPTY(pos->rgSquare[G8].pPiece) ||
+ IsAttacked(F8, pos, WHITE) ||
+ IsAttacked(G8, pos, WHITE))
+ {
+ goto end;
+ }
+ mv.uMove =
+ MAKE_MOVE(E8, G8, BLACK_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ goto end;
+ }
+ break;
+#ifdef DEBUG
+ default:
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ goto end;
+#endif
+ }
+ }
+ else if ((!STRCMPI(szCapturedMove, "OOO")) ||
+ (!STRCMPI(szCapturedMove, "000")))
+ {
+ switch(pos->uToMove)
+ {
+ case WHITE:
+ if ((pos->rgSquare[E1].pPiece != WHITE_KING) ||
+ (InCheck(pos, WHITE)))
+ {
+ goto end;
+ }
+
+ if (pos->bvCastleInfo & CASTLE_WHITE_LONG)
+ {
+ ASSERT(pos->rgSquare[A1].pPiece == WHITE_ROOK);
+ if (!IS_EMPTY(pos->rgSquare[D1].pPiece) ||
+ !IS_EMPTY(pos->rgSquare[C1].pPiece) ||
+ !IS_EMPTY(pos->rgSquare[B1].pPiece) ||
+ IsAttacked(D1, pos, BLACK) ||
+ IsAttacked(C1, pos, BLACK))
+ {
+ goto end;
+ }
+ mv.uMove =
+ MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ goto end;
+ }
+ break;
+
+ case BLACK:
+ if ((pos->rgSquare[E8].pPiece != BLACK_KING) ||
+ (InCheck(pos, BLACK)))
+ {
+ goto end;
+ }
+
+ if (pos->bvCastleInfo & CASTLE_BLACK_LONG)
+ {
+ ASSERT(pos->rgSquare[A8].pPiece == BLACK_ROOK);
+ if (!IS_EMPTY(pos->rgSquare[D8].pPiece) ||
+ !IS_EMPTY(pos->rgSquare[C8].pPiece) ||
+ !IS_EMPTY(pos->rgSquare[B8].pPiece) ||
+ IsAttacked(D8, pos, WHITE) ||
+ IsAttacked(C8, pos, WHITE))
+ {
+ goto end;
+ }
+ mv.uMove =
+ MAKE_MOVE(E8, C8, BLACK_KING, 0, 0, MOVE_FLAG_SPECIAL);
+ goto end;
+ }
+ break;
+
+#ifdef DEBUG
+ default:
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ goto end;
+#endif
+ }
+ }
+
+ end:
+ return(mv);
+}
+
+static MOVE
+_ParseNormalSan(CHAR *szCapturedMove, POSITION *pos)
+/**
+
+Routine description:
+
+ Parse a "normal" SAN move. Note: these SAN string should begin
+ with a piece code (or have pawn implied). This parser relies on
+ the fact that the piece code is uppercase. This is in order to
+ distinguish between file b and Bishop.
+
+Parameters:
+
+ CHAR *szCapturedMove,
+ POSITION *pos
+
+Return value:
+
+ static MOVE
+
+**/
+{
+ static LIGHTWEIGHT_SEARCHER_CONTEXT ctx;
+ CHAR *p, *q;
+ PIECE pPieceType = PAWN;
+ ULONG u;
+ COOR cFileRestr = 99;
+ COOR cRankRestr = 99;
+ COOR cFrom = ILLEGAL_COOR;
+ COOR cTo = ILLEGAL_COOR;
+ PIECE pMoved;
+ PIECE pCaptured;
+ PIECE pPromoted = 0;
+ FLAG fSpecial = FALSE;
+ MOVE mv;
+ ULONG uNumMatches = 0;
+
+ p = szCapturedMove;
+
+ //
+ // Is the first thing a piece code? If not PAWN is implied.
+ //
+ if (isupper(*p))
+ {
+ if (NULL != (q = strchr(g_cPieces, *p)))
+ {
+ pPieceType = (PIECE)((BYTE *)q - (BYTE *)g_cPieces);
+ pPieceType++;
+ ASSERT(IS_VALID_PIECE(pPieceType));
+ }
+ p++;
+ }
+
+ //
+ // Is the next thing a board coor? If not it should be a rank or
+ // file restrictor.
+ //
+ while ((*p != '\0') &&
+ (FALSE == LooksLikeCoor(p)))
+ {
+ if (LooksLikeFile(*p))
+ {
+ cFileRestr = toupper(*p) - 'A';
+ }
+ else if (LooksLikeRank(*p))
+ {
+ cRankRestr = *p - '0';
+ }
+ else
+ {
+ goto illegal;
+ }
+ p++;
+ }
+ if (*p == '\0') goto illegal;
+
+ //
+ // We got the piece code taken care of and any rank/file
+ // restrictions done with. See if we just have two coors left.
+ //
+ if ((strlen(p) > 3) &&
+ LooksLikeCoor(p) &&
+ LooksLikeCoor(p + 2))
+ {
+ cFrom = FILE_RANK_TO_COOR((toupper(*p) - 'A'),
+ *(p+1) - '0');
+ cTo = FILE_RANK_TO_COOR((toupper(*(p+2)) - 'A'),
+ *(p+3) - '0');
+ if (!IS_ON_BOARD(cFrom) || !IS_ON_BOARD(cTo))
+ {
+ goto illegal;
+ }
+ p += 4;
+ goto found_coors;
+ }
+ else if ((strlen(p) > 1) &&
+ LooksLikeCoor(p))
+ {
+ cTo = FILE_RANK_TO_COOR(toupper(*p) - 'A',
+ *(p+1) - '0');
+ if (!IS_ON_BOARD(cTo))
+ {
+ goto illegal;
+ }
+ p += 2;
+ }
+
+ //
+ // We need to find out what piece can move to cTo
+ //
+ if (!IS_ON_BOARD(cFrom))
+ {
+ if (!IS_ON_BOARD(cTo))
+ {
+ goto illegal;
+ }
+
+ //
+ // Handle promotion
+ //
+ switch (*(p))
+ {
+ case 'N':
+ pPromoted = BLACK_KNIGHT | pos->uToMove;
+ fSpecial = MOVE_FLAG_SPECIAL;
+ break;
+ case 'B':
+ pPromoted = BLACK_BISHOP | pos->uToMove;
+ fSpecial = MOVE_FLAG_SPECIAL;
+ break;
+ case 'R':
+ pPromoted = BLACK_ROOK | pos->uToMove;
+ fSpecial = MOVE_FLAG_SPECIAL;
+ break;
+ case 'Q':
+ pPromoted = BLACK_QUEEN | pos->uToMove;
+ fSpecial = MOVE_FLAG_SPECIAL;
+ break;
+ default:
+ break;
+ }
+
+ InitializeLightweightSearcherContext(pos, &ctx);
+ mv.uMove = 0;
+ GenerateMoves((SEARCHER_THREAD_CONTEXT *)&ctx,
+ mv,
+ (InCheck(pos, pos->uToMove) ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+ for (u = ctx.sMoveStack.uBegin[0];
+ u < ctx.sMoveStack.uEnd[0];
+ u++)
+ {
+ mv = ctx.sMoveStack.mvf[u].mv;
+ pMoved = mv.pMoved;
+ if (PIECE_TYPE(pMoved) == pPieceType)
+ {
+ if ((99 != cFileRestr) &&
+ (FILE(mv.cFrom) != cFileRestr)) continue;
+ if ((99 != cRankRestr) &&
+ (RANK(mv.cFrom) != cRankRestr)) continue;
+
+ if ((mv.cTo == cTo) &&
+ (mv.pPromoted == pPromoted))
+ {
+ if (TRUE == MakeMove((SEARCHER_THREAD_CONTEXT *)&ctx, mv))
+ {
+ UnmakeMove((SEARCHER_THREAD_CONTEXT *)&ctx, mv);
+ cFrom = mv.cFrom;
+ cTo = mv.cTo;
+ uNumMatches++;
+ }
+ }
+ }
+ }
+
+ //
+ // Note: 4 moves match for promotions
+ //
+ if (uNumMatches == 1)
+ {
+ goto found_coors;
+ }
+ }
+ goto illegal;
+
+ found_coors:
+ pMoved = pos->rgSquare[cFrom].pPiece;
+ if (IS_EMPTY(pMoved))
+ {
+ goto illegal;
+ }
+ pCaptured = pos->rgSquare[cTo].pPiece;
+ if (!IS_EMPTY(pCaptured) &&
+ !OPPOSITE_COLORS(pMoved, pCaptured))
+ {
+ goto illegal;
+ }
+
+ //
+ // Handle enpassant
+ //
+ if ((cTo == pos->cEpSquare) && (IS_PAWN(pMoved)))
+ {
+ if (WHITE == pos->uToMove)
+ {
+ pCaptured = pos->rgSquare[cTo + 16].pPiece;
+ if (pCaptured != BLACK_PAWN) goto illegal;
+ }
+ else
+ {
+ pCaptured = pos->rgSquare[cTo - 16].pPiece;
+ if (pCaptured != WHITE_PAWN) goto illegal;
+ }
+ fSpecial = MOVE_FLAG_SPECIAL;
+ }
+
+ //
+ // Handle double jump
+ //
+ if (IS_PAWN(pMoved) && DISTANCE(cFrom, cTo) > 1)
+ {
+ fSpecial = MOVE_FLAG_SPECIAL;
+ }
+
+ mv.uMove = MAKE_MOVE(cFrom, cTo, pMoved, pCaptured, pPromoted, fSpecial);
+ if (FALSE == SanityCheckMove(pos, mv))
+ {
+ goto illegal;
+ }
+ return(mv);
+
+ illegal:
+ mv.uMove = 0;
+ return(mv);
+}
+
+
+MOVE
+ParseMoveSan(CHAR *szInput,
+ POSITION *pos)
+/**
+
+Routine description:
+
+ Given a move string in SAN format and a current board position,
+ parse the move and make it into a valid MOVE structure.
+
+Parameters:
+
+ CHAR *szInput,
+ POSITION *pos
+
+Return value:
+
+ MOVE
+
+**/
+{
+ CHAR szCapturedMove[SMALL_STRING_LEN_CHAR];
+ MOVE mv;
+
+ mv.uMove = 0;
+ memset(szCapturedMove, 0, sizeof(szCapturedMove));
+ strncpy(szCapturedMove, StripMove(szInput), SMALL_STRING_LEN_CHAR - 1);
+
+ if (MOVE_SAN != LooksLikeMove(szCapturedMove))
+ {
+ return(mv); // fail
+ }
+
+ mv = _ParseCastleSan(szCapturedMove, pos);
+ if (mv.uMove != 0)
+ {
+ goto end;
+ }
+
+ mv = _ParseNormalSan(szCapturedMove, pos);
+ if (mv.uMove != 0)
+ {
+ goto end;
+ }
+
+ return(mv); // fail
+
+ end:
+ if (InCheck(pos, pos->uToMove))
+ {
+ mv.bvFlags |= MOVE_FLAG_ESCAPING_CHECK;
+ }
+ return(mv);
+}
+
+
+CHAR *
+MoveToSan(MOVE mv, POSITION *pos)
+/**
+
+Routine description:
+
+ Given a move and a current board position, convert the MOVE
+ structure into a SAN text string.
+
+Parameters:
+
+ MOVE mv,
+ POSITION *pos
+
+Return value:
+
+ CHAR
+
+**/
+{
+ static char szTextMove[10];
+ char *p;
+ ULONG u = 0;
+ MOVE x;
+
+ ASSERT(IS_ON_BOARD(mv.cFrom));
+ ASSERT(IS_ON_BOARD(mv.cTo));
+ if (0 == mv.uMove)
+ {
+ return(NULL);
+ }
+
+ do
+ {
+ p = szTextMove;
+ memset(szTextMove, 0, sizeof(szTextMove));
+
+ //
+ // Handle castles.
+ //
+ if (IS_KING(mv.pMoved) && (IS_SPECIAL_MOVE(mv)))
+ {
+ if ((mv.cTo == G1) || (mv.cTo == G8))
+ {
+ strcpy(szTextMove, "O-O");
+ if (IS_CHECKING_MOVE(mv))
+ {
+ *p++ = '+';
+ }
+ goto end;
+ }
+ else if ((mv.cTo == C1) || (mv.cTo == C8))
+ {
+ strcpy(szTextMove, "O-O-O");
+ if (IS_CHECKING_MOVE(mv))
+ {
+ *p++ = '+';
+ }
+ goto end;
+ }
+ ASSERT(FALSE);
+ strcpy(szTextMove, "ILLEGAL");
+ goto end;
+ }
+
+ if (!IS_PAWN(mv.pMoved))
+ {
+ *p++ = g_cPieces[(PIECE_TYPE(mv.pMoved)) - 1];
+ if (u == 1)
+ {
+ *p++ = FILE(mv.cFrom) + 'a';
+ }
+ else if (u == 2)
+ {
+ *p++ = RANK(mv.cFrom) + '0';
+ }
+ else if (u == 3)
+ {
+ *p++ = FILE(mv.cFrom) + 'a';
+ *p++ = RANK(mv.cFrom) + '0';
+ }
+ }
+ else
+ {
+ if (u > 0)
+ {
+ *p++ = FILE(mv.cFrom) + 'a';
+ }
+ }
+
+ if (mv.pCaptured)
+ {
+ if (IS_PAWN(mv.pMoved))
+ {
+ *p++ = FILE(mv.cFrom) + 'a';
+ }
+ *p++ = 'x';
+ }
+ *p++ = FILE(mv.cTo) + 'a';
+ *p++ = RANK(mv.cTo) + '0';
+
+ if (mv.pPromoted)
+ {
+ *p++ = '=';
+ *p++ = g_cPieces[(PIECE_TYPE(mv.pPromoted)) - 1];
+ }
+
+ u++;
+ if (u >= 4)
+ {
+ strcpy(szTextMove, "ILLEGAL");
+ goto end;
+ }
+
+ if (IS_CHECKING_MOVE(mv))
+ {
+ *p++ = '+';
+ }
+ x = ParseMoveSan(szTextMove, pos);
+ }
+ while ((mv.cTo != x.cTo) ||
+ (mv.cFrom != x.cFrom));
+
+end:
+ return(szTextMove);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ chess.h
+
+Abstract:
+
+Author:
+
+
+Revision History:
+
+ $Id: chess.h 350 2008-06-28 03:12:34Z scott $
+
+**/
+
+#ifndef CHESS_
+#define CHESS_
+
+#include "compiler.h"
+
+//
+// Datatype wrappers
+//
+#define MIN_CHAR (0x80)
+#define MAX_CHAR (0x7f)
+typedef char CHAR;
+
+#define MIN_BYTE (0x00)
+#define MAX_BYTE (0xff)
+typedef unsigned char BYTE;
+
+#define MIN_UCHAR (0x00)
+#define MAX_UCHAR (0xff)
+typedef unsigned char UCHAR;
+#define CAN_FIT_IN_UCHAR(x) ((x) <= MAX_UCHAR)
+
+#define MIN_SHORT (0x8000)
+#define MAX_SHORT (0x7fff)
+typedef signed short SHORT;
+
+#define MIN_USHORT (0x0000)
+#define MAX_USHORT (0xffff)
+typedef unsigned short USHORT;
+#define CAN_FIT_IN_USHORT(x) ((x) <= MAX_USHORT)
+
+#define MIN_WORD (0x0000)
+#define MAX_WORD (0xffff)
+typedef unsigned short WORD;
+
+#define MIN_INT (0x80000000)
+#define MAX_INT (0x7fffffff)
+typedef signed int INT;
+
+#define MIN_DWORD (0x00000000)
+#define MAX_DWORD (0xffffffff)
+typedef unsigned int DWORD;
+
+#define MIN_UINT (0x00000000)
+#define MAX_UINT (0xffffffff)
+typedef unsigned int UINT;
+
+#define MIN_ULONG (0x00000000)
+#define MAX_ULONG (0xffffffff)
+typedef unsigned int ULONG;
+
+#define MIN_INT64 (0x8000000000000000)
+#define MAX_INT64 (0x7fffffffffffffff)
+typedef signed COMPILER_LONGLONG INT64;
+
+#define MIN_UINT64 (0x0000000000000000)
+#define MAX_UINT64 (0xffffffffffffffff)
+typedef unsigned COMPILER_LONGLONG UINT64;
+
+#define MIN_BITBOARD (0x0000000000000000)
+#define MAX_BITBOARD (0xffffffffffffffff)
+typedef UINT64 BITBOARD;
+
+#define MIN_BITV MIN_UINT
+#define MAX_BITV MAX_UINT
+typedef unsigned int BITV;
+
+#define MIN_FLAG MIN_UINT
+#define MAX_FLAG MAX_UINT
+typedef unsigned int FLAG;
+#define IS_VALID_FLAG(x) (((x) == TRUE) || ((x) == FALSE))
+
+typedef unsigned int COOR;
+typedef unsigned int PIECE;
+typedef signed int SCORE;
+
+#define BIT1 (0x1)
+#define BIT2 (0x2)
+#define BIT3 (0x4)
+#define BIT4 (0x8)
+#define BIT5 (0x10)
+#define BIT6 (0x20)
+#define BIT7 (0x40)
+#define BIT8 (0x80)
+#define BIT9 (0x100)
+#define BIT10 (0x200)
+#define BIT11 (0x400)
+#define BIT12 (0x800)
+#define BIT13 (0x1000)
+#define BIT14 (0x2000)
+#define BIT15 (0x4000)
+#define BIT16 (0x8000)
+#define BIT17 (0x10000)
+#define BIT18 (0x20000)
+#define BIT19 (0x40000)
+#define BIT20 (0x80000)
+#define BIT21 (0x100000)
+#define BIT22 (0x200000)
+#define BIT23 (0x400000)
+#define BIT24 (0x800000)
+#define BIT25 (0x1000000)
+#define BIT26 (0x2000000)
+#define BIT27 (0x4000000)
+#define BIT28 (0x8000000)
+#define BIT29 (0x10000000)
+#define BIT30 (0x20000000)
+#define BIT31 (0x40000000)
+#define BIT32 (0x80000000)
+
+typedef struct _DLIST_ENTRY
+{
+ struct _DLIST_ENTRY *pFlink;
+ struct _DLIST_ENTRY *pBlink;
+} DLIST_ENTRY;
+
+//
+// Constants
+//
+#define YES (1)
+#define NO (0)
+#ifndef TRUE
+#define TRUE (YES)
+#endif
+#ifndef FALSE
+#define FALSE (NO)
+#endif
+
+//
+// Calculate the length of an array (i.e. number of elements)
+//
+#define ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
+#define COMMAND(x) \
+ void (x)(CHAR *szInput, ULONG argc, CHAR *argv[], POSITION *pos)
+#define MB (1024 * 1024)
+
+//
+// Calculate the address of the base of the structure given its type, and an
+// address of a field within the structure.
+//
+#ifndef OFFSET_OF
+#define OFFSET_OF(field, type) \
+ (ULONG)(&((type *)0)->field)
+#endif
+#ifndef CONTAINING_STRUCT
+#define CONTAINING_STRUCT(address, type, field) \
+ ((type *)((BYTE *)(address) - (BYTE *)(OFFSET_OF(field, type))))
+#endif
+
+#define WHITE (1)
+#define BLACK (0)
+#define BAD_COLOR (2)
+#define IS_VALID_COLOR(x) (((x) == WHITE) || ((x) == BLACK))
+#define FOREACH_COLOR(x) for((x) = BLACK; (x) < BAD_COLOR; (x)++)
+#define RANDOM_COLOR (rand() & 1)
+#define FLIP(color) ((color) ^ 1)
+#define COLOR_NAME(color) (((color) == WHITE) ? "white" : "black")
+
+#define MAX_MOVES_PER_PLY (218)
+#define MAX_PLY_PER_SEARCH (64)
+#define MAX_MOVES_PER_GAME (1024)
+#define SMALL_STRING_LEN_CHAR (256)
+#define MEDIUM_STRING_LEN_CHAR (8192)
+#define BIG_STRING_LEN_CHAR (16384)
+
+#define QUARTER_PLY 16
+#define HALF_PLY 32
+#define THREE_QUARTERS_PLY 48
+#define ONE_PLY 64
+#define TWO_PLY 128
+#define THREE_PLY 192
+#define FOUR_PLY 256
+#define MAX_DEPTH_PER_SEARCH (MAX_PLY_PER_SEARCH * ONE_PLY)
+
+#define IS_VALID_DEPTH(x) (((x) >= 0) && \
+ ((x) <= MAX_DEPTH_PER_SEARCH) && \
+ (((x) & 0xfffff00f) == 0))
+
+#define INFINITY (MAX_SHORT)
+#define INVALID_SCORE (INFINITY + 1)
+#define IS_VALID_SCORE(x) (((x) >= -INFINITY) && \
+ ((x) <= +INFINITY))
+#define NMATE (+INFINITY - 200)
+#define MATED_SCORE(ply) (-INFINITY + (ply))
+
+#define IS_A_POWER_OF_2(x) (((x) & (x - 1)) == 0)
+//
+// Program version number
+//
+#define VERSION "1.00"
+#define REVISION "$Id: chess.h 350 2008-06-28 03:12:34Z scott $\n"
+
+//
+// Function decorators
+//
+#define IN
+#define OUT
+#define INOUT
+#define UNUSED
+#define NOTHING
+
+// ----------------------------------------------------------------------
+//
+// PIECE:
+//
+// a piece (4 bits) = type (3 bits) + color (1 bit)
+//
+// 3 1 0
+// . . . .
+// | | |
+// type C
+//
+#define KING (6) // 110X
+#define QUEEN (5) // 101X
+#define ROOK (4) // 100X
+#define BISHOP (3) // 011X
+#define KNIGHT (2) // 010X
+#define PAWN (1) // 001X
+#define EMPTY (0) // 000X
+
+// (WHATEVER << 1)
+#define BLACK_PAWN (2) // 0010
+#define BLACK_KNIGHT (4) // 0100
+#define BLACK_BISHOP (6) // 0110
+#define BLACK_ROOK (8) // 1000
+#define BLACK_QUEEN (10) // 1010
+#define BLACK_KING (12) // 1100
+
+// (WHATEVER << 1) | WHITE
+#define WHITE_PAWN (3) // 0011
+#define WHITE_KNIGHT (5) // 0101
+#define WHITE_BISHOP (7) // 0111
+#define WHITE_ROOK (9) // 1001
+#define WHITE_QUEEN (11) // 1011
+#define WHITE_KING (13) // 1101
+
+#define PIECE_TYPE(p) ((p) >> 1)
+#define PIECE_COLOR(p) ((p) & WHITE)
+#define RANDOM_PIECE (rand() % 12) + 2;
+#define IS_PAWN(p) (((p) & 0xE) == BLACK_PAWN)
+#define IS_KNIGHT(p) (((p) & 0xE) == BLACK_KNIGHT)
+#define IS_BISHOP(p) (((p) & 0xE) == BLACK_BISHOP)
+#define IS_ROOK(p) (((p) & 0xE) == BLACK_ROOK)
+#define IS_QUEEN(p) (((p) & 0xE) == BLACK_QUEEN)
+#define IS_KING(p) (((p) & 0xE) == BLACK_KING)
+#define IS_KNIGHT_OR_KING(p) (((p) & 0x6) == 0x4)
+#define IS_VALID_PIECE(p) ((PIECE_TYPE((p)) >= PAWN) && \
+ (PIECE_TYPE((p)) <= KING))
+#define IS_WHITE_PIECE(p) ((p) & WHITE)
+#define IS_BLACK_PIECE(p) (!IS_WHITE(p))
+#define OPPOSITE_COLORS(p, q) (((p) ^ (q)) & WHITE)
+#define SAME_COLOR(p,q) (!OPPOSITE_COLORS(p, q))
+#define GET_COLOR(p) ((p) & WHITE)
+
+// ----------------------------------------------------------------------
+//
+// a coordinate (8 bits) = rank + file (0x88)
+//
+// 7 4 3 0
+// . . . . . . . .
+// | | |
+// rank file
+// | |
+// | +--- 0-7 = file A thru file H
+// |
+// +------------ 0-7 = rank 1 thru rank 8
+//
+// given a coordinate, C, if C & 0x88 then it is illegal (off board)
+//
+//
+// 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
+// +---------------------------------------+
+// 8 | 00 |:01:| 02 |:03:| 04 |:05:| 06 |:07:| 0x00
+// 7 |:10:| 11 |:12:| 13 |:14:| 15 |:16:| 17 | 0x10
+// 6 | 20 |:21:| 22 |:23:| 24 |:25:| 26 |:27:| 0x20
+// 5 |:30:| 31 |:32:| 33 |:34:| 35 |:36:| 37 | 0x30
+// 4 | 40 |:41:| 42 |:43:| 44 |:45:| 46 |:47:| 0x40
+// 3 |:50:| 51 |:52:| 53 |:54:| 55 |:56:| 57 | 0x50
+// 2 | 60 |:61:| 62 |:63:| 64 |:65:| 66 |:67:| 0x60
+// 1 |:70:| 71 |:72:| 73 |:74:| 75 |:76:| 77 | 0x70
+// +---------------------------------------+
+// A B C D E F G H
+//
+#define A (0)
+#define B (1)
+#define C (2)
+#define D (3)
+#define E (4)
+#define F (5)
+#define G (6)
+#define H (7)
+
+#define A8 (0x00)
+#define B8 (0x01)
+#define C8 (0x02)
+#define D8 (0x03)
+#define E8 (0x04)
+#define F8 (0x05)
+#define G8 (0x06)
+#define H8 (0x07)
+
+#define A7 (0x10)
+#define B7 (0x11)
+#define C7 (0x12)
+#define D7 (0x13)
+#define E7 (0x14)
+#define F7 (0x15)
+#define G7 (0x16)
+#define H7 (0x17)
+
+#define A6 (0x20)
+#define B6 (0x21)
+#define C6 (0x22)
+#define D6 (0x23)
+#define E6 (0x24)
+#define F6 (0x25)
+#define G6 (0x26)
+#define H6 (0x27)
+
+#define A5 (0x30)
+#define B5 (0x31)
+#define C5 (0x32)
+#define D5 (0x33)
+#define E5 (0x34)
+#define F5 (0x35)
+#define G5 (0x36)
+#define H5 (0x37)
+
+#define A4 (0x40)
+#define B4 (0x41)
+#define C4 (0x42)
+#define D4 (0x43)
+#define E4 (0x44)
+#define F4 (0x45)
+#define G4 (0x46)
+#define H4 (0x47)
+
+#define A3 (0x50)
+#define B3 (0x51)
+#define C3 (0x52)
+#define D3 (0x53)
+#define E3 (0x54)
+#define F3 (0x55)
+#define G3 (0x56)
+#define H3 (0x57)
+
+#define A2 (0x60)
+#define B2 (0x61)
+#define C2 (0x62)
+#define D2 (0x63)
+#define E2 (0x64)
+#define F2 (0x65)
+#define G2 (0x66)
+#define H2 (0x67)
+
+#define A1 (0x70)
+#define B1 (0x71)
+#define C1 (0x72)
+#define D1 (0x73)
+#define E1 (0x74)
+#define F1 (0x75)
+#define G1 (0x76)
+#define H1 (0x77)
+
+// TODO: if use this anywhere that matters, consider double loop
+// and unrolling the inside loop to prevent the multiple
+// continue for invalid squares
+#define FOREACH_SQUARE(x) for((x) = (A8); (x) <= (H1); (x)++)
+
+#define IS_ON_BOARD(c) (!((c) & 0x88))
+#define RANDOM_COOR (rand() & 0x77)
+#define FILE_RANK_TO_COOR(f, r) (((8 - (r)) << 4) | (f))
+#define RANK(c) (8 - ((c) >> 4))
+#define RANK1(c) (((c) & 0xF0) == 0x70)
+#define RANK2(c) (((c) & 0xF0) == 0x60)
+#define RANK3(c) (((c) & 0xF0) == 0x50)
+#define RANK4(c) (((c) & 0xF0) == 0x40)
+#define RANK5(c) (((c) & 0xF0) == 0x30)
+#define RANK6(c) (((c) & 0xF0) == 0x20)
+#define RANK7(c) (((c) & 0xF0) == 0x10)
+#define RANK8(c) (((c) & 0xF0) == 0x00)
+#define FILE(c) ((c) & 0x0F)
+#define FILEA(c) (((c) & 0x0F) == 0x00)
+#define FILEB(c) (((c) & 0x0F) == 0x01)
+#define FILEC(c) (((c) & 0x0F) == 0x02)
+#define FILED(c) (((c) & 0x0F) == 0x03)
+#define FILEE(c) (((c) & 0x0F) == 0x04)
+#define FILEF(c) (((c) & 0x0F) == 0x05)
+#define FILEG(c) (((c) & 0x0F) == 0x06)
+#define FILEH(c) (((c) & 0x0F) == 0x07)
+#define IS_WHITE_SQUARE_FR(f, r) (((f) + (r) - 1) & 1)
+#define IS_WHITE_SQUARE_COOR(c) (IS_WHITE_SQUARE_FR(FILE(c), RANK(c)))
+#define VALID_EP_SQUARE(c) (((c) == ILLEGAL_COOR) || ((c) == 0) || \
+ (RANK3(c)) || \
+ (RANK6(c)))
+
+// ----------------------------------------------------------------------
+//
+// a move (4 bytes) = from/to, moved, captured, promoted and special
+//
+// 31 24 23 16 15 12 11 8 7 4 3 0
+// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+// | from | to | moved | capt | prom | flags |
+// | | | | |
+// | | | | |
+// | | | | |
+// | | +-------+-------+-- type and
+// | | color of
+// | | piece moved
+// | | captured and
+// | | promote targ
+// +---------------+-- board location where
+// move begins and ends
+//
+//
+// Special flag asserted on special move types:
+//
+// if (special)
+// {
+// if (moved == PAWN)
+// {
+// if (promotion)
+// {
+// move is a promote (w/ or w/o capture)
+// }
+// else if (capture)
+// {
+// move is an en passant catpure
+// }
+// else
+// {
+// move is a double jump
+// }
+// }
+// else if (moved == KING)
+// {
+// move is a castle (long or short)
+// }
+// else
+// {
+// invalid use of special flag
+// }
+// }
+//
+typedef union _MOVE
+{
+ ULONG uMove;
+ struct
+ {
+ UCHAR cFrom : 8;
+ UCHAR cTo : 8;
+ UCHAR pMoved : 4;
+ UCHAR pCaptured : 4;
+ UCHAR pPromoted : 4;
+ UCHAR bvFlags : 4;
+ };
+} MOVE;
+
+#define IS_SAME_MOVE(a, b) \
+ (((a).uMove & 0x0FFFFFFF) == (((b).uMove & 0x0FFFFFFF)))
+
+#define MAKE_MOVE(from,to,piece,cap,prom,flags) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20) | \
+ ((ULONG)(prom) << 24) | \
+ ((ULONG)(flags) << 28))
+
+#define MAKE_MOVE_WITH_NO_PROM_OR_FLAGS(from,to,piece,cap) \
+ (((ULONG)(from)) | \
+ ((ULONG)(to) << 8) | \
+ ((ULONG)(piece) << 16) | \
+ ((ULONG)(cap) << 20))
+
+//
+// Move flag values:
+//
+#define MOVE_FLAG_SPECIAL (1) // en pass, prom, castle, double
+#define IS_SPECIAL_MOVE(mv) \
+ ((mv).uMove & 0x10000000)
+
+#define IS_CASTLE(mv) \
+ (IS_SPECIAL_MOVE(mv) && IS_KING((mv).pMoved))
+
+#ifdef DEBUG
+#define IS_PROMOTION(mv) \
+ (IS_SPECIAL_MOVE(mv) && ((mv).pPromoted))
+#else
+#define IS_PROMOTION(mv) \
+ ((mv).pPromoted)
+#endif
+
+#define IS_CAPTURE_OR_PROMOTION(mv) \
+ ((mv).uMove & 0x0FF00000)
+
+#define IS_ENPASSANT(mv) \
+ (IS_SPECIAL_MOVE(mv) && (mv.pCaptured) && !IS_PROMOTION(mv))
+
+#define IS_DOUBLE_JUMP(mv) \
+ (IS_SPECIAL_MOVE(mv) && !IS_CAPTURE_OR_PROMOTION(mv))
+
+#define MOVE_FLAG_KILLERMATE (2) // killer mate
+#define IS_KILLERMATE_MOVE(mv) ((mv).uMove & 0x20000000)
+
+#define MOVE_FLAG_ESCAPING_CHECK (4) // escaping check
+#define IS_ESCAPING_CHECK(mv) ((mv).uMove & 0x40000000)
+
+#define MOVE_FLAG_CHECKING (8) // checking move
+#define IS_CHECKING_MOVE(mv) ((mv).uMove & 0x80000000)
+
+// ----------------------------------------------------------------------
+//
+// Move list
+//
+#define MAX_MOVE_LIST (MAX_MOVES_PER_GAME + MAX_PLY_PER_SEARCH)
+
+// ----------------------------------------------------------------------
+
+#pragma pack(1)
+typedef union _ATTACK_BITV
+{
+ ULONG uWholeThing;
+ struct
+ {
+ union
+ {
+ UCHAR uSmall;
+ struct
+ {
+ UCHAR uNumAttacks : 3; // 0..2
+ UCHAR uKing : 1; // 4..7
+ UCHAR uQueen : 1;
+ UCHAR uRook : 1;
+ UCHAR uMinor : 1;
+ UCHAR uPawn : 1;
+ } small;
+ };
+
+ // --------------------
+ union
+ {
+ USHORT uBig;
+ struct
+ {
+ USHORT uKing : 1; // 8..23
+ USHORT uQueens : 4;
+ USHORT uRooks : 4;
+ USHORT uMinors : 4;
+ USHORT uPawns : 2;
+ USHORT uUnusedFlag1 : 1;
+ } big;
+ };
+
+ // -------------------
+ union
+ {
+ UCHAR uXray;
+ struct
+ {
+ UCHAR uNumXrays : 3;
+ UCHAR uUnusedFlag2 : 1;
+ UCHAR uQueen : 1; // 24..28
+ UCHAR uRook : 1;
+ UCHAR uBishop : 1;
+ UCHAR uUnusedFlag3 : 1;
+ } xray;
+ };
+ };
+}
+ATTACK_BITV;
+
+#define UNSAFE_FOR_MINOR(x) ((ULONG)((x).uWholeThing) & 0x00000080UL)
+#define UNSAFE_FOR_ROOK(x) ((ULONG)((x).uWholeThing) & 0x000000C0UL)
+#define UNSAFE_FOR_QUEEN(x) ((ULONG)((x).uWholeThing) & 0x000000E0UL)
+
+#define PAWN_BIT 0x00000080UL
+#define MINOR_BIT 0x00000040UL
+#define MINOR_XRAY_BIT 0x40000000UL
+#define ROOK_BIT 0x00000020UL
+#define ROOK_XRAY_BIT 0x20000000UL
+#define QUEEN_BIT 0x00000010UL
+#define QUEEN_XRAY_BIT 0x10000000UL
+
+#define INVALID_PIECE_INDEX (17)
+#define IS_VALID_PIECE_INDEX(x) ((x) < INVALID_PIECE_INDEX)
+
+typedef union _SQUARE
+{
+ struct
+ {
+ PIECE pPiece;
+ ULONG uIndex;
+ };
+ ATTACK_BITV bvAttacks[2];
+}
+SQUARE;
+#pragma pack()
+
+//
+// POSITION
+//
+typedef struct _POSITION
+{
+ SQUARE rgSquare[128]; // where the pieces are,
+ // also, the attack table
+ UINT64 u64NonPawnSig; // hash signature
+ UINT64 u64PawnSig; // pawn hash signature
+ ULONG uToMove; // whose turn?
+ ULONG uFifty; // 50 moves w/o progress = draw
+ FLAG fCastled[2]; // record when sides have castled
+ BITV bvCastleInfo; // who can castle how?
+ COOR cEpSquare; // en-passant capture square
+
+ COOR cPawns[2][8]; // location of pawns on the board
+ ULONG uPawnMaterial[2]; // pawn material of each side
+ ULONG uPawnCount[2]; // number of pawns for each side
+
+ COOR cNonPawns[2][16]; // location of pieces on the board
+ ULONG uNonPawnMaterial[2]; // piece material of each side
+ ULONG uNonPawnCount[2][8]; // number of non-pawns / type
+ // 0 and 1 are the sum,
+ // 2..6 are per PIECE_TYPE
+
+ ULONG uWhiteSqBishopCount[2]; // num bishops on white squares
+ SCORE iMaterialBalance[2]; // material balance
+
+ // temporary storage space for use in eval
+ COOR cTrapped[2];
+ ULONG uArmyScaler[2];
+ ULONG uClosedScaler;
+ SCORE iScore[2];
+ SCORE iReducedMaterialDownScaler[2];
+ SCORE iTempScore;
+ ULONG uMinMobility[2];
+ COOR cPiece;
+ ULONG uMinorsAtHome[2];
+ BITBOARD bb;
+ ULONG uPiecesPointingAtKing[2];
+}
+POSITION;
+
+//
+// Castling permission bitvector flags.
+//
+#define CASTLE_WHITE_SHORT (1)
+#define CASTLE_WHITE_LONG (2)
+#define WHITE_CAN_CASTLE \
+ (CASTLE_WHITE_SHORT | CASTLE_WHITE_LONG)
+#define CASTLE_BLACK_SHORT (4)
+#define CASTLE_BLACK_LONG (8)
+#define BLACK_CAN_CASTLE \
+ (CASTLE_BLACK_SHORT | CASTLE_BLACK_LONG)
+#define CASTLE_NONE_POSSIBLE (0)
+#define CASTLE_ALL_POSSIBLE \
+ (WHITE_CAN_CASTLE | BLACK_CAN_CASTLE)
+
+// ----------------------------------------------------------------------
+//
+// Move stack
+//
+#define MAX_MOVE_STACK (MAX_PLY_PER_SEARCH * \
+ MAX_MOVES_PER_PLY)
+
+//
+// Main part of the move stack, triads of moves, their values and flags
+// that denote where the values came from
+//
+#define MVF_MOVE_SEARCHED (1)
+#define MVF_EXTEND_MOVE (2)
+#define MVF_REDUCE_MOVE (4)
+#define MVF_PRUNE_SUBTREE (8)
+
+typedef struct _MOVE_STACK_MOVE_VALUE_FLAGS
+{
+ SCORE iValue;
+ MOVE mv;
+ BITV bvFlags;
+}
+MOVE_STACK_MOVE_VALUE_FLAGS;
+
+typedef struct _KEY_POINTER
+{
+ int iPointer;
+ ULONG uKey;
+}
+KEY_POINTER;
+
+typedef union _GENERATOR_FLAGS
+{
+ struct {
+ UCHAR uMoveCount;
+ UCHAR uKingMoveCount;
+ UCHAR uCheckingPieces;
+ UCHAR uUnused;
+ };
+ ULONG uAllGenFlags;
+}
+GENERATOR_FLAGS;
+
+//
+// A move stack
+//
+typedef struct _MOVE_STACK
+{
+#ifdef DEBUG
+ POSITION board[MAX_PLY_PER_SEARCH];
+#endif
+ //
+ // Unblocked squares map, used for check detection
+ //
+ ULONG uUnblockedKeyValue[MAX_PLY_PER_SEARCH];
+ KEY_POINTER sUnblocked[MAX_PLY_PER_SEARCH][128];
+
+ //
+ // The main move list, a long series of moves, their values and some
+ // flag bits to tell search what the values are based upon.
+ //
+ MOVE_STACK_MOVE_VALUE_FLAGS mvf[MAX_MOVE_STACK];
+
+ //
+ // uBegin[ply] and uEnd[ply] specify the start and end of moves gen-
+ // erated for a position at ply distance from the root.
+ //
+ ULONG uPly;
+ ULONG uBegin[MAX_PLY_PER_SEARCH];
+ ULONG uEnd[MAX_PLY_PER_SEARCH];
+ MOVE mvHash[MAX_PLY_PER_SEARCH];
+ GENERATOR_FLAGS sGenFlags[MAX_PLY_PER_SEARCH];
+}
+MOVE_STACK;
+
+#define GENERATE_NO_MOVES \
+ ctx->sMoveStack.uEnd[ctx->uPly] = \
+ ctx->sMoveStack.uBegin[ctx->uPly] + 1; \
+ ctx->sMoveStack.uBegin[ctx->uPly + 1] = \
+ ctx->sMoveStack.uEnd[ctx->uPly]
+
+#define GENERATE_ALL_MOVES (1)
+#define GENERATE_ESCAPES (2)
+#define GENERATE_CAPTURES_PROMS_CHECKS (3)
+#define GENERATE_CAPTURES_PROMS (4)
+#define GENERATE_DONT_SCORE (5)
+#ifdef TEST
+#define GENERATE_ALL_MOVES_CHECK_OK (6)
+#endif
+
+#define MOVE_COUNT(ctx, x) \
+ (((ctx)->sMoveStack.uEnd[(x)]) - (ctx)->sMoveStack.uBegin[(x)])
+#define ONE_LEGAL_MOVE(ctx, x) \
+ (MOVE_COUNT(ctx, x) == 1)
+#define NUM_KING_MOVES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uKingMoveCount)
+#define NUM_CHECKING_PIECES(ctx, x) \
+ ((ctx)->sMoveStack.sGenFlags[(x)].uCheckingPieces)
+
+
+// ----------------------------------------------------------------------
+//
+// Accumulators
+//
+typedef struct _COUNTERS
+{
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64OverallHits;
+ UINT64 u64UsefulHits;
+ UINT64 u64UpperBoundHits;
+ UINT64 u64LowerBoundHits;
+ UINT64 u64ExactScoreHits;
+ }
+ hash;
+
+ struct
+ {
+ UINT64 u64Probes;
+ UINT64 u64Hits;
+ }
+ pawnhash;
+
+ struct
+ {
+ UINT64 u64TotalNodeCount;
+ UINT64 u64QNodeCount;
+ UINT64 u64LeafCount;
+ UINT64 u64TerminalPositionCount;
+ UINT64 u64BetaCutoffs;
+ UINT64 u64BetaCutoffsOnFirstMove;
+ UINT64 u64NullMoves;
+ UINT64 u64NullMoveSuccess;
+#ifdef TEST_NULL
+ UINT64 u64QuickNullSuccess;
+ UINT64 u64QuickNullDeferredSuccess;
+ UINT64 u64QuickNullFailures;
+ UINT64 u64AvoidNullSuccess;
+ UINT64 u64AvoidNullFailures;
+#endif
+ UINT64 u64EvalHashHits;
+ UINT64 u64LazyEvals;
+ UINT64 u64FullEvals;
+ UINT64 u64CyclesInEval;
+ }
+ tree;
+
+ struct
+ {
+ ULONG uNumSplits;
+ ULONG uNumSplitsTerminated;
+ }
+ parallel;
+
+ struct
+ {
+ ULONG uPawnPush;
+ ULONG uCheck;
+ ULONG uMateThreat;
+ ULONG uRecapture;
+ ULONG uOneLegalMove;
+ ULONG uNoLegalKingMoves;
+ ULONG uMultiCheck;
+ ULONG uSingularMove;
+ ULONG uZugzwang;
+ ULONG uSingularReplyToCheck;
+ ULONG uEndgame;
+ ULONG uBotvinnikMarkoff;
+ ULONG uQExtend;
+ }
+ extension;
+
+ struct
+ {
+ ULONG uProbes;
+ ULONG uHits;
+ }
+ egtb;
+}
+COUNTERS;
+
+typedef struct _CUMULATIVE_SEARCH_FLAGS
+{
+ // search
+ ULONG uNumChecks[2]; // not used
+ FLAG fInSuspiciousBranch; // not used
+ FLAG fInReducedDepthBranch; // not used
+ FLAG fAvoidNullmove; // restore
+ FLAG fVerifyNullmove; // restore
+
+ // qsearch
+ ULONG uQsearchDepth; // restore
+ ULONG uQsearchNodes; // incremental
+ ULONG uQsearchCheckDepth; // restore
+ FLAG fCouldStandPat[2]; // restore
+}
+CUMULATIVE_SEARCH_FLAGS;
+
+// ----------------------------------------------------------------------
+//
+// Searcher thread record
+//
+typedef struct _SPLIT_INFO
+{
+ // locks / counters
+ volatile ULONG uLock; // lock for this split node
+ volatile ULONG uNumThreadsHelping; // num threads in this node
+ volatile FLAG fTerminate; // signal helpers to terminate
+
+ // moves in the split node
+ ULONG uRemainingMoves; // num moves remaining to do
+ ULONG uOnDeckMove; // next move to do
+ ULONG uNumMoves;
+ ULONG uAlreadyDone;
+ MOVE_STACK_MOVE_VALUE_FLAGS
+ mvf[MAX_MOVES_PER_PLY]; // the moves to search
+
+ // input to the split node
+ POSITION sRootPosition; // the root position
+ MOVE mvPathToHere[MAX_PLY_PER_SEARCH]; // path from root to split
+ MOVE mvLast; // last move before split
+ ULONG uDepth; // remaining depth at split
+ INT iPositionExtend; // positional extension
+ SCORE iAlpha; // original alpha at split
+ SCORE iBeta; // beta at split
+ ULONG uSplitPositional; // pos->uPositional at split
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags; // flags at split time
+
+ // output from the split node
+ MOVE mvBest; // the best move
+ SCORE iBestScore; // it's score
+ COUNTERS sCounters; // updated counters
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+#ifdef DEBUG
+ ULONG uSplitPly;
+ POSITION sSplitPosition;
+#endif
+}
+SPLIT_INFO;
+
+typedef struct _PLY_INFO
+{
+#ifdef DEBUG
+ POSITION sPosition;
+ SCORE iAlpha;
+ SCORE iBeta;
+#endif
+ SCORE iEval;
+ INT iExtensionAmount;
+ FLAG fInCheck;
+ FLAG fInQsearch;
+ MOVE mv;
+ MOVE mvBest;
+ MOVE PV[MAX_PLY_PER_SEARCH];
+
+ SCORE iKingScore[2];
+ ULONG uMinMobility[2];
+ UINT64 u64NonPawnSig;
+ UINT64 u64PawnSig;
+ UINT64 u64Sig;
+ ULONG uFifty;
+ FLAG fCastled[2];
+ ULONG uTotalNonPawns;
+ BITV bvCastleInfo;
+ COOR cEpSquare;
+}
+PLY_INFO;
+
+#define EVAL_HASH
+#ifdef EVAL_HASH
+#define EVAL_HASH_TABLE_SIZE (2097152) // 32Mb (per thread)
+typedef struct _EVAL_HASH_ENTRY
+{
+ UINT64 u64Key;
+ SCORE iEval;
+ ULONG uPositional;
+ COOR cTrapped[2];
+
+} EVAL_HASH_ENTRY;
+#endif
+
+#define PAWN_HASH_TABLE_SIZE (131072) // 5.5Mb (per thread)
+typedef struct _PAWN_HASH_ENTRY
+{
+ UINT64 u64Key;
+ BITBOARD bbPawnLocations[2];
+ BITBOARD bbPasserLocations[2];
+ BITBOARD bbStationaryPawns[2];
+ SHORT iScore[2];
+ UCHAR uCountPerFile[2][10];
+ UCHAR uNumRammedPawns;
+ UCHAR uNumUnmovedPawns[2];
+}
+PAWN_HASH_ENTRY;
+
+#define NUM_SPLIT_PTRS_IN_CONTEXT (8)
+
+typedef struct _SEARCHER_THREAD_CONTEXT
+{
+ ULONG uPly; // its distance from root
+ ULONG uPositional; // positional component of score
+ POSITION sPosition; // the board
+ MOVE_STACK sMoveStack; // the move stack
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+ MOVE mvKiller[MAX_PLY_PER_SEARCH][2];
+ MOVE mvKillerEscapes[MAX_PLY_PER_SEARCH][2];
+ MOVE mvNullmoveRefutations[MAX_PLY_PER_SEARCH];
+ COUNTERS sCounters;
+ ULONG uThreadNumber;
+ SPLIT_INFO *pSplitInfo[NUM_SPLIT_PTRS_IN_CONTEXT];
+ MOVE mvRootMove;
+ SCORE iRootScore;
+ ULONG uRootDepth;
+ PAWN_HASH_ENTRY rgPawnHash[PAWN_HASH_TABLE_SIZE];
+#ifdef EVAL_HASH
+ EVAL_HASH_ENTRY rgEvalHash[EVAL_HASH_TABLE_SIZE];
+#endif
+ CHAR szLastPV[SMALL_STRING_LEN_CHAR];
+}
+SEARCHER_THREAD_CONTEXT;
+
+//
+// When I added the pawn hash table and eval hash tables to searcher
+// thread contexts they became too heavy to just allocate on the fly
+// for things like checking the legality of SAN moves or seeing if an
+// opening book line leads to a draw. This
+// LIGHTWEIGHT_SEARCHER_CONTEXT structure can be cast into a full
+// SEARCHER_THREAD_CONTEXT and passed safely into the Generate,
+// MakeMove and UnMakeMove functions because they presently only
+// need:
+//
+// 1. uPly
+// 2. sPosition
+// 3. sPlyInfo
+// 4. sMoveStack
+//
+typedef struct _LIGHTWEIGHT_SEARCHER_CONTEXT
+{
+ ULONG uPly;
+ ULONG uPositional;
+ POSITION sPosition;
+ MOVE_STACK sMoveStack;
+ CUMULATIVE_SEARCH_FLAGS sSearchFlags;
+ PLY_INFO sPlyInfo[MAX_PLY_PER_SEARCH+1];
+}
+LIGHTWEIGHT_SEARCHER_CONTEXT;
+
+// ----------------------------------------------------------------------
+//
+// Global game options
+//
+typedef struct _GAME_OPTIONS
+{
+ ULONG uMyClock;
+ ULONG uOpponentsClock;
+ FLAG fGameIsRated;
+ FLAG fOpponentIsComputer;
+ ULONG uSecPerMove;
+ ULONG uMaxDepth;
+ UINT64 u64MaxNodeCount;
+ FLAG fShouldPonder;
+ FLAG fPondering;
+ FLAG fThinking;
+ FLAG fSuccessfulPonder;
+ MOVE mvPonder;
+ FLAG fShouldPost;
+ FLAG fForceDrawWorthZero;
+ ULONG uMyIncrement;
+ ULONG uMovesPerTimePeriod;
+ CHAR szAnalyzeProgressReport[SMALL_STRING_LEN_CHAR];
+ FLAG fShouldAnnounceOpening;
+ SCORE iLastEvalScore;
+ UINT64 u64NodesSearched;
+ CHAR szLogfile[SMALL_STRING_LEN_CHAR];
+ CHAR szEGTBPath[SMALL_STRING_LEN_CHAR];
+ CHAR szBookName[SMALL_STRING_LEN_CHAR];
+ ULONG uNumProcessors;
+ ULONG uNumHashTableEntries;
+ FLAG fNoInputThread;
+ FLAG fVerbosePosting;
+ FLAG fRunningUnderXboard;
+ FLAG fStatusLine;
+ FLAG fFastScript;
+ FLAG fShouldResign;
+
+ enum
+ {
+ CLOCK_NORMAL = 0,
+ CLOCK_FIXED,
+ CLOCK_INCREMENT,
+ CLOCK_NONE
+ }
+ eClock;
+
+ enum
+ {
+ GAME_UNKNOWN = 0,
+ GAME_BULLET,
+ GAME_BLITZ,
+ GAME_STANDARD
+ }
+ eGameType;
+
+ enum
+ {
+ I_PLAY_WHITE = 0,
+ I_PLAY_BLACK,
+ FORCE_MODE,
+ EDIT_MODE,
+ ANALYZE_MODE
+ }
+ ePlayMode;
+}
+GAME_OPTIONS;
+extern GAME_OPTIONS g_Options;
+
+// ----------------------------------------------------------------------
+//
+// Move timer
+//
+
+#define TIMER_SEARCHING_FIRST_MOVE (0x1)
+#define TIMER_SEARCHING_IMPORTANT_MOVE (0x2)
+#define TIMER_RESOLVING_ROOT_FL (0x4)
+#define TIMER_RESOLVING_ROOT_FH (0x8)
+#define TIMER_JUST_OUT_OF_BOOK (0x10)
+#define TIMER_CURRENT_OBVIOUS (0x20)
+#define TIMER_CURRENT_WONT_UNBLOCK (0x40)
+#define TIMER_ROOT_POSITION_CRITICAL (0x80)
+#define TIMER_MOVE_IMMEDIATELY (0x100)
+#define TIMER_MANY_ROOT_FLS (0x200)
+#define TIMER_STOPPING (0x400)
+#define TIMER_SPLIT_FAILED (0x800)
+
+typedef struct _MOVE_TIMER
+{
+ double dStartTime;
+ double dEndTime;
+ double dSoftTimeLimit;
+ double dHardTimeLimit;
+ ULONG uNodeCheckMask;
+ volatile BITV bvFlags;
+}
+MOVE_TIMER;
+
+// ----------------------------------------------------------------------
+//
+// Special move tag literals
+//
+#define ILLEGALMOVE ((ULONG)0x1DDD8888)
+
+//
+// useful macros
+//
+#ifdef DEBUG
+void
+_assert(CHAR *szFile, ULONG uLine);
+
+#define ASSERT(x) if (x) \
+ { ; } \
+ else \
+ { _assert(__FILE__, __LINE__); }
+#define VERIFY(x) ASSERT(x)
+#else
+#define ASSERT(x) ;
+#define VERIFY(x) x;
+#endif // DEBUG
+
+#ifdef PERF_COUNTERS
+#define INC(x) ((x) += 1)
+#else
+#define INC(x)
+#endif
+
+#define BREAKPOINT SystemDebugBreakpoint()
+
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#define MAX(x, y) (((x) > (y)) ? (x) : (y))
+
+#ifdef _X86_
+//
+// Note: MAXU, MINU and ABS_DIFF require arguments with the high order
+// bit CLEAR to work right.
+//
+// These are branchless constructs. MAXU and MINU are equivalent to
+// MIN and MAX (with the above restriction on inputs)
+//
+// MIN0 and MAX0 are equivalent to MAX(0, x) and MIN(0, x). These
+// macros have no restiction on argument type.
+//
+// ABS_DIFF is equivalent to abs(x - y). Again, x and y must have
+// their high-order bits CLEAR for this to work.
+//
+// Note: gcc generates code with cmovs so no need for MAXU/MINU on
+// that compiler.
+//
+#define MINU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((x)-(y)))+(y))
+#define MAXU(x, y) \
+ (((((int)((x)-(y)))>>31) & ((y)-(x)))+(x))
+#define MIN0(x) \
+ ((x) & (((int)(x)) >> 31))
+#define MAX0(x) \
+ ((x) & ~(((int)(x)) >> 31))
+
+
+#define ABS_DIFF(a, b) \
+ (((b)-(a)) - ((((b) - (a)) & (((int)((b) - (a))) >> 31) ) << 1))
+
+#endif // _X86_
+
+#ifndef MINU
+#define MINU(x, y) (MIN((x), (y)))
+#endif
+
+#ifndef MAXU
+#define MAXU(x, y) (MAX((x), (y)))
+#endif
+
+#ifndef MIN0
+#define MIN0(x) (MIN((x), 0))
+#endif
+
+#ifndef MAX0
+#define MAX0(x) (MAX((x), 0))
+#endif
+
+#ifndef ABS_DIFF
+#define ABS_DIFF(a, b) (abs((a) - (b)))
+#endif
+
+#define FILE_DISTANCE(a, b) (ABS_DIFF(FILE((a)), FILE((b))))
+#define RANK_DISTANCE(a, b) (ABS_DIFF(((a) & 0xF0), ((b) & 0xF0)) >> 4)
+#define REAL_DISTANCE(a, b) (MAXU(FILE_DISTANCE((a), (b)), \
+ RANK_DISTANCE((a), (b))))
+#ifdef DEBUG
+#define DISTANCE(a, b) DistanceBetweenSquares((a), (b))
+#else
+#define DISTANCE(a, b) g_pDistance[(a) - (b)]
+#endif // DEBUG
+
+#define IS_EMPTY( square ) (!(square))
+#define IS_OCCUPIED( square ) ((square))
+
+#define IS_DEAD( listindex ) ((listindex) > 119)
+#define IS_ALIVE( listindex ) ((listindex) <= 119)
+#define ILLEGAL_COOR (0x88)
+#define EDGE_DISTANCE(c) (MIN(MIN(abs(RANK(c) - 7), RANK(c)), \
+ MIN(abs(FILE(c) - 7), FILE(c))))
+#define NOT_ON_EDGE(c) ((((c) & 0xF0) != 0x00) && \
+ (((c) & 0xF0) != 0x70) && \
+ (((c) & 0x0F) != 0x00) && \
+ (((c) & 0x0F) != 0x07))
+#define ON_EDGE(c) (RANK8(c) || \
+ RANK1(c) || \
+ FILEA(c) || \
+ FILEH(c))
+#define CORNER_DISTANCE(c) (MAX(MIN((ULONG)abs(RANK(c) - 7), RANK(c)),\
+ MIN((ULONG)abs(FILE(c) - 7), FILE(c))))
+#define IN_CORNER(c) (((c) == A8) || \
+ ((c) == A1) || \
+ ((c) == H8) || \
+ ((c) == H1))
+#define WHITE_CORNER_DISTANCE(c) (MIN(DISTANCE((c), A8), \
+ DISTANCE((c), H1)))
+#define BLACK_CORNER_DISTANCE(c) (MIN(DISTANCE((c), H8), \
+ DISTANCE((c), A1)))
+#define SYM_SQ(c) ((7 - (((c) & 0xF0) >> 4)) << 4) \
+ | (7 - ((c) & 0x0F))
+#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a[0])))
+#define MAKE_PSQT(a, b, c, d) (((a) << 24) | ((b) << 16) | \
+ ((c) << 8) | (d))
+#define TO64(x) ((x) & 0x7) + ((0x7 - ((x)>>4)) << 3)
+#define COOR_TO_BIT_NUMBER(c) (((((c) & 0x70) >> 1) | ((c) & 0x7)))
+#define SLOWCOOR_TO_BB(c) (1ULL << COOR_TO_BIT_NUMBER(c))
+#define COOR_TO_BB(c) (BBSQUARE[COOR_TO_BIT_NUMBER(c)])
+#define SLOW_BIT_NUMBER_TO_COOR(b) ((((b) / 8) << 4) + ((b) & 7))
+#define BIT_NUMBER_TO_COOR(b) ((((b) & 0xF8) << 1) | ((b) & 7))
+
+#define BBRANK88 \
+ SLOWCOOR_TO_BB(A8) | SLOWCOOR_TO_BB(B8) | SLOWCOOR_TO_BB(C8) | \
+ SLOWCOOR_TO_BB(D8) | SLOWCOOR_TO_BB(E8) | SLOWCOOR_TO_BB(F8) | \
+ SLOWCOOR_TO_BB(G8) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK77 \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(C7) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(F7) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(H7)
+
+#define BBRANK66 \
+ SLOWCOOR_TO_BB(A6) | SLOWCOOR_TO_BB(B6) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(D6) | SLOWCOOR_TO_BB(E6) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(G6) | SLOWCOOR_TO_BB(H6)
+
+#define BBRANK55 \
+ SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(C5) | \
+ SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(F5) | \
+ SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(H5)
+
+#define BBRANK44 \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(C4) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(F4) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(H4)
+
+#define BBRANK33 \
+ SLOWCOOR_TO_BB(A3) | SLOWCOOR_TO_BB(B3) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(D3) | SLOWCOOR_TO_BB(E3) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(G3) | SLOWCOOR_TO_BB(H3)
+
+#define BBRANK22 \
+ SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(C2) | \
+ SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(F2) | \
+ SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(H2)
+
+#define BBRANK11 \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(C1) | \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(F1) | \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(H1)
+
+#define BBFILEA \
+ SLOWCOOR_TO_BB(A1) | SLOWCOOR_TO_BB(A2) | SLOWCOOR_TO_BB(A3) | \
+ SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(A5) | SLOWCOOR_TO_BB(A6) | \
+ SLOWCOOR_TO_BB(A7) | SLOWCOOR_TO_BB(A8)
+
+#define BBFILEB \
+ SLOWCOOR_TO_BB(B1) | SLOWCOOR_TO_BB(B2) | SLOWCOOR_TO_BB(B3) | \
+ SLOWCOOR_TO_BB(B4) | SLOWCOOR_TO_BB(B5) | SLOWCOOR_TO_BB(B6) | \
+ SLOWCOOR_TO_BB(B7) | SLOWCOOR_TO_BB(B8)
+
+#define BBFILEC \
+ SLOWCOOR_TO_BB(C1) | SLOWCOOR_TO_BB(C2) | SLOWCOOR_TO_BB(C3) | \
+ SLOWCOOR_TO_BB(C4) | SLOWCOOR_TO_BB(C5) | SLOWCOOR_TO_BB(C6) | \
+ SLOWCOOR_TO_BB(C7) | SLOWCOOR_TO_BB(C8)
+
+#define BBFILED \
+ SLOWCOOR_TO_BB(D1) | SLOWCOOR_TO_BB(D2) | SLOWCOOR_TO_BB(D3) | \
+ SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(D5) | SLOWCOOR_TO_BB(D6) | \
+ SLOWCOOR_TO_BB(D7) | SLOWCOOR_TO_BB(D8)
+
+#define BBFILEE \
+ SLOWCOOR_TO_BB(E1) | SLOWCOOR_TO_BB(E2) | SLOWCOOR_TO_BB(E3) | \
+ SLOWCOOR_TO_BB(E4) | SLOWCOOR_TO_BB(E5) | SLOWCOOR_TO_BB(E6) | \
+ SLOWCOOR_TO_BB(E7) | SLOWCOOR_TO_BB(E8)
+
+#define BBFILEF \
+ SLOWCOOR_TO_BB(F1) | SLOWCOOR_TO_BB(F2) | SLOWCOOR_TO_BB(F3) | \
+ SLOWCOOR_TO_BB(F4) | SLOWCOOR_TO_BB(F5) | SLOWCOOR_TO_BB(F6) | \
+ SLOWCOOR_TO_BB(F7) | SLOWCOOR_TO_BB(F8)
+
+#define BBFILEG \
+ SLOWCOOR_TO_BB(G1) | SLOWCOOR_TO_BB(G2) | SLOWCOOR_TO_BB(G3) | \
+ SLOWCOOR_TO_BB(G4) | SLOWCOOR_TO_BB(G5) | SLOWCOOR_TO_BB(G6) | \
+ SLOWCOOR_TO_BB(G7) | SLOWCOOR_TO_BB(G8)
+
+#define BBFILEH \
+ SLOWCOOR_TO_BB(H1) | SLOWCOOR_TO_BB(H2) | SLOWCOOR_TO_BB(H3) | \
+ SLOWCOOR_TO_BB(H4) | SLOWCOOR_TO_BB(H5) | SLOWCOOR_TO_BB(H6) | \
+ SLOWCOOR_TO_BB(H7) | SLOWCOOR_TO_BB(H8)
+
+#define BBRANK72 \
+ BBRANK77 | BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK62 \
+ BBRANK66 | BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK52 \
+ BBRANK55 | BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK42 \
+ BBRANK44 | BBRANK33 | BBRANK22
+
+#define BBRANK32 \
+ BBRANK33 | BBRANK22
+
+#define BBRANK27 \
+ BBRANK22 | BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK37 \
+ BBRANK33 | BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK47 \
+ BBRANK44 | BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK57 \
+ BBRANK55 | BBRANK66 | BBRANK77
+
+#define BBRANK67 \
+ BBRANK66 | BBRANK77
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+//
+// util.c
+//
+COMMAND(LearnPsqtFromPgn);
+
+COMMAND(GeneratePositionAndBestMoveSuite);
+
+CHAR *
+WalkPV(SEARCHER_THREAD_CONTEXT *ctx);
+
+CHAR *
+ReadNextGameFromPgnFile(FILE *pf);
+
+COOR
+DistanceBetweenSquares(COOR a, COOR b);
+
+void CDECL
+Trace(CHAR *szMessage, ...);
+
+void CDECL
+Log(CHAR *szMessage, ...);
+
+void CDECL
+Bug(CHAR *szMessage, ...);
+
+char *
+FindChunk(char *sz, ULONG uTargetChunk);
+
+FLAG
+BufferIsZeroed(BYTE *p, ULONG u);
+
+char *
+ColorToString(ULONG u);
+
+char *
+CoorToString(COOR c);
+
+char *
+ScoreToString(SCORE iScore);
+
+char *
+TimeToString(double d);
+
+ULONG
+AcquireSpinLock(volatile ULONG *pSpinlock);
+
+FLAG
+TryAcquireSpinLock(volatile ULONG *pSpinlock);
+
+void
+ReleaseSpinLock(volatile ULONG *pSpinLock);
+
+BYTE
+Checksum(BYTE *p, ULONG uSize);
+
+FLAG
+BackupFile(CHAR *szFile);
+
+void
+UtilPrintPV(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv);
+
+#define CANNOT_INITIALIZE_SPLIT (1)
+#define INCONSISTENT_POSITION (2)
+#define UNEXPECTED_SYSTEM_CALL_FAILURE (3)
+#define SHOULD_NOT_GET_HERE (4)
+#define GOT_ILLEGAL_MOVE_WHILE_PONDERING (5)
+#define CANNOT_OFFICIALLY_MAKE_MOVE (6)
+#define DETECTED_INCORRECT_INITIALIZATION (7)
+#define INCONSISTENT_STATE (8)
+#define FATAL_ACCESS_DENIED (9)
+#define TESTCASE_FAILURE (10)
+#define INITIALIZATION_FAILURE (11)
+
+void
+UtilPanic(ULONG uPanicCode,
+ POSITION *pos,
+ void *a1,
+ void *a2,
+ void *a3,
+ char *file, ULONG line);
+
+
+//
+// main.c
+//
+#define LOGFILE_NAME "typhoon.log"
+extern FILE *g_pfLogfile;
+
+void
+Banner(void);
+
+FLAG
+PreGameReset(FLAG fResetBoard);
+
+//
+// system dependent exports (see win32.c or fbsd.c)
+//
+typedef ULONG (THREAD_ENTRYPOINT)(ULONG);
+
+#ifdef DEBUG
+ULONG
+GetHeapMemoryUsage(void);
+#endif
+
+void
+SystemDebugBreakpoint(void);
+
+CHAR *
+SystemStrDup(CHAR *p);
+
+double
+SystemTimeStamp(void);
+
+FLAG
+SystemDoesFileExist(CHAR *szFilename);
+
+void
+SystemDeferExecution(ULONG uMs);
+
+void
+SystemFreeMemory(void *pMem);
+
+void *
+SystemAllocateMemory(ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadOnly(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryNoAccess(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemMakeMemoryReadWrite(void *pMemory, ULONG dwSizeBytes);
+
+FLAG
+SystemDependentInitialization(void);
+
+UINT64 FASTCALL
+SystemReadTimeStampCounter(void);
+
+//
+// This routine _must_ implement a full memory fence -- it is used in
+// util.c to implement spinlocks.
+//
+FLAG
+SystemCreateThread(THREAD_ENTRYPOINT *pEntry, ULONG uParam, ULONG *puHandle);
+
+FLAG
+SystemWaitForThreadToExit(ULONG uThreadHandle);
+
+FLAG
+SystemGetThreadExitCode(ULONG uThreadHandle, ULONG *puCode);
+
+FLAG
+SystemDeleteThread(ULONG uThreadHandle);
+
+CHAR *
+SystemGetDateString(void);
+
+CHAR *
+SystemGetTimeString(void);
+
+FLAG
+SystemCopyFile(CHAR *szSource, CHAR *szDest);
+
+FLAG
+SystemDeleteFile(CHAR *szFile);
+
+ULONG
+SystemCreateLock(void);
+
+FLAG
+SystemDeleteLock(ULONG u);
+
+FLAG
+SystemBlockingWaitForLock(ULONG u);
+
+FLAG
+SystemReleaseLock(ULONG u);
+
+ULONG
+SystemCreateSemaphore(ULONG u);
+
+FLAG
+SystemDeleteSemaphore(ULONG u);
+
+void
+SystemReleaseSemaphoreResource(ULONG u);
+
+void
+SystemObtainSemaphoreResource(ULONG u);
+
+
+//
+// fen.c
+//
+#define STARTING_POSITION_IN_FEN \
+ "rnbqkbnr/pppppppp/--------/8/8/--------/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
+
+FLAG
+LooksLikeFen(char *szFen);
+
+char *
+PositionToFen(POSITION *p);
+
+FLAG
+FenToPosition(POSITION *p, char *szFen);
+
+//
+// testfen.c
+//
+#ifdef TEST
+void
+TestFenCode(void);
+#endif
+
+//
+// piece.c
+//
+// INVERTED VALUE == (VALUE_QUEEN / VALUE_PIECE) * VALUE_PAWN;
+#define VALUE_PAWN 100
+#define INVERT_PAWN 900
+#define VALUE_KNIGHT 300
+#define INVERT_KNIGHT 300
+#define VALUE_BISHOP 300
+#define INVERT_BISHOP 300
+#define VALUE_ROOK 500
+#define INVERT_ROOK 180
+#define VALUE_QUEEN 975
+#define INVERT_QUEEN 100
+#define VALUE_KING (INFINITY)
+#define INVERT_KING 1
+
+#define VALUE_FULL_ARMY (8 * VALUE_PAWN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_QUEEN + VALUE_KING
+#define VALUE_MAX_ARMY (9 * VALUE_QUEEN) + (2 * VALUE_KNIGHT) + \
+ (2 * VALUE_BISHOP) + (2 * VALUE_ROOK) + \
+ VALUE_KING
+
+typedef struct _PIECE_DATA
+{
+ ULONG uValue;
+ ULONG uValueOver100;
+ ULONG uInvertedValue;
+ CHAR *szName;
+} PIECE_DATA;
+
+extern PIECE_DATA g_PieceData[8];
+
+#define PIECE_VALUE_OVER_100(p) (g_PieceData[PIECE_TYPE(p)].uValueOver100)
+extern ULONG
+PieceValueOver100(PIECE p);
+
+#define PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uValue)
+extern ULONG
+PieceValue(PIECE p);
+
+#define INVERTED_PIECE_VALUE(p) (g_PieceData[PIECE_TYPE(p)].uInvertedValue)
+extern ULONG
+PieceInvertedValue(PIECE p);
+
+CHAR *
+PieceAbbrev(PIECE p);
+
+//
+// board.c
+//
+FLAG
+VerifyPositionConsistency(POSITION *pos, FLAG fContinueOnError);
+
+FLAG
+PositionsAreEquivalent(POSITION *p1, POSITION *p2);
+
+CHAR *
+DrawTextBoardFromPosition(POSITION *pos);
+
+void
+DumpPosition(POSITION *pos);
+
+CHAR *
+CastleInfoString(BITV bv);
+
+void
+SetRootToInitialPosition(void);
+
+//
+// move.c
+//
+void
+SlidePiece(POSITION *pos, COOR cFrom, COOR cTo);
+
+PIECE
+LiftPiece(POSITION *pos, COOR cSquare);
+
+void
+PlacePiece(POSITION *pos, COOR cSquare, PIECE pPiece);
+
+FLAG
+MakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+void
+UnmakeMove(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv);
+
+FLAG
+MakeUserMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mvUser);
+
+void
+DumpMove(ULONG u);
+
+//
+// movesup.c
+//
+#define MOVE_TO_INDEX(mv) (((mv).uMove & 0xFFFF) + \
+ (0x10000 * GET_COLOR(mv.pMoved)))
+
+COOR
+FasterExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheck(POSITION *pos,
+ COOR cRemove,
+ COOR cLocation);
+
+COOR
+ExposesCheckEp(POSITION *pos,
+ COOR cTest,
+ COOR cIgnore,
+ COOR cBlock,
+ COOR cKing);
+
+FLAG
+IsAttacked(COOR cTest, POSITION *pos, ULONG uSide);
+
+FLAG
+InCheck(POSITION *pos, ULONG uSide);
+
+FLAG
+SanityCheckMove(POSITION *pos, MOVE mv);
+
+FLAG
+LooksLikeFile(CHAR c);
+
+FLAG
+LooksLikeRank(CHAR c);
+
+FLAG
+LooksLikeCoor(CHAR *szData);
+
+CHAR *
+StripMove(CHAR *szMove);
+
+ULONG
+LooksLikeMove(CHAR *szData);
+
+void FASTCALL
+SelectBestWithHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectBestNoHistory(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+void FASTCALL
+SelectMoveAtRoot(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+#define NOT_MOVE 0
+#define MOVE_ICS 1
+#define MOVE_SAN 2
+
+COMMAND(PerftCommand);
+
+
+//
+// testmove.c
+//
+#ifdef TEST
+void
+TestLiftPlaceSlidePiece(void);
+
+void
+TestExposesCheck(void);
+
+void
+TestIsAttacked(void);
+
+void
+TestMakeUnmakeMove(void);
+#endif
+
+//
+// generate.c
+//
+#define SORT_THESE_FIRST (0x40000000)
+#define FIRST_KILLER (0x20000000)
+#define SECOND_KILLER (0x10000000)
+#define THIRD_KILLER (0x08000000)
+#define FOURTH_KILLER (0x04000000)
+#define GOOD_MOVE (0x02000000)
+#define STRIP_OFF_FLAGS (0x00FFFFFF)
+
+extern const int g_iQKDeltas[9];
+extern const int g_iNDeltas[9];
+extern const int g_iBDeltas[5];
+extern const int g_iRDeltas[5];
+
+void
+GenerateMoves(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mvOrderFirst,
+ ULONG uType);
+
+FLAG
+WouldGiveCheck(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv);
+
+//
+// testgenerate.c
+//
+#ifdef TEST
+
+void
+PlyTest(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fRootPositionInCheck);
+
+void
+TestMoveGenerator(void);
+
+void
+TestLegalMoveGenerator(void);
+
+#endif
+
+//
+// sig.c
+//
+extern UINT64 g_u64SigSeeds[128][7][2];
+extern UINT64 g_u64PawnSigSeeds[128][2];
+extern UINT64 g_u64CastleSigSeeds[16];
+extern UINT64 g_u64EpSigSeeds[9];
+
+void
+InitializeSigSystem(void);
+
+UINT64
+ComputePawnSig(POSITION *pos);
+
+UINT64
+ComputeSig(POSITION *pos);
+
+//
+// mersenne.c
+//
+void
+seedMT(unsigned int seed);
+
+unsigned int
+reloadMT(void);
+
+unsigned int
+randomMT(void);
+
+//
+// data.c
+//
+typedef struct _VECTOR_DELTA
+{
+ UCHAR iVector[2];
+ signed char iDelta;
+ signed char iNegDelta;
+}
+VECTOR_DELTA;
+
+extern ULONG g_uDistance[256];
+extern ULONG *g_pDistance;
+extern VECTOR_DELTA g_VectorDelta[256];
+extern VECTOR_DELTA *g_pVectorDelta;
+extern CHAR g_SwapTable[14][32][32];
+extern SCORE _PSQT[14][128];
+extern ULONG g_uSearchSortLimits[];
+extern MOVE NULLMOVE;
+extern MOVE HASHMOVE;
+extern MOVE RECOGNMOVE;
+extern MOVE DRAWMOVE;
+extern MOVE MATEMOVE;
+extern FLAG g_fIsWhiteSquare[128];
+extern BITBOARD BBFILE[8];
+extern BITBOARD BBRANK[9];
+extern BITBOARD BBWHITESQ;
+extern BITBOARD BBBLACKSQ;
+extern BITBOARD BBLEFTSIDE;
+extern BITBOARD BBRIGHTSIDE;
+extern BITBOARD BBSQUARE[64];
+extern BITBOARD BBROOK_PAWNS;
+extern BITBOARD BBPRECEEDING_RANKS[8][2];
+extern BITBOARD BBADJACENT_FILES[8];
+extern BITBOARD BBADJACENT_RANKS[9];
+
+void
+InitializeWhiteSquaresTable(void);
+
+void
+InitializeVectorDeltaTable(void);
+
+void
+InitializeSwapTable(void);
+
+void
+InitializeDistanceTable(void);
+
+void
+InitializeSearchDepthArray(void);
+
+ULONG
+GetSearchSortLimit(ULONG);
+
+#ifdef DEBUG
+#define SEARCH_SORT_LIMIT(x) (GetSearchSortLimit((x)))
+#else
+#define SEARCH_SORT_LIMIT(x) (g_uSearchSortLimits[(x)])
+#endif
+
+#ifdef DEBUG
+ULONG CheckVectorWithIndex(int i, ULONG uColor);
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ CheckVectorWithIndex(i, color)
+
+int DirectionBetweenSquaresWithIndex(int i);
+#define CHECK_DELTA_WITH_INDEX(i) \
+ DirectionBetweenSquaresWithIndex(i)
+
+int DirectionBetweenSquaresFromTo(COOR, COOR);
+#define DIRECTION_BETWEEN_SQUARES(from, to) \
+ DirectionBetweenSquaresFromTo(from, to)
+
+int NegativeDirectionBetweenSquaresWithIndex(int i);
+#define NEG_DELTA_WITH_INDEX(i) \
+ NegativeDirectionBetweenSquaresWithIndex(i)
+
+FLAG IsSquareWhite(COOR c);
+#define IS_SQUARE_WHITE(c) \
+ IsSquareWhite(c)
+
+#else
+#define CHECK_VECTOR_WITH_INDEX(i, color) \
+ (g_pVectorDelta[(i)].iVector[(color)])
+
+#define CHECK_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iDelta)
+
+#define DIRECTION_BETWEEN_SQUARES(cFrom, cTo) \
+ CHECK_DELTA_WITH_INDEX((int)(cFrom) - (int)(cTo))
+
+#define NEG_DELTA_WITH_INDEX(i) \
+ (g_pVectorDelta[(i)].iNegDelta)
+
+#define IS_SQUARE_WHITE(c) \
+ (g_fIsWhiteSquare[(c)])
+#endif
+
+//
+// san.c
+//
+MOVE
+ParseMoveSan(CHAR *szInput,
+ POSITION *pos);
+
+CHAR *
+MoveToSan(MOVE mv, POSITION *pos);
+
+//
+// testsan.c
+//
+void
+TestSan(void);
+
+//
+// list.c
+//
+void
+InitializeListHead(IN DLIST_ENTRY *pListHead);
+
+FLAG
+IsListEmpty(IN DLIST_ENTRY *pListHead);
+
+FLAG
+RemoveEntryList(IN DLIST_ENTRY *pEntry);
+
+DLIST_ENTRY *
+RemoveHeadList(IN DLIST_ENTRY *pListHead);
+
+DLIST_ENTRY *
+RemoveTailList(IN DLIST_ENTRY *pListHead);
+
+void
+InsertTailList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+void
+InsertHeadList(IN DLIST_ENTRY *pListHead,
+ IN DLIST_ENTRY *pEntry);
+
+//
+// command.c
+//
+void
+ParseUserInput(FLAG fSearching);
+
+FLAG
+InitializeCommandSystem(void);
+
+void
+CleanupCommandSystem(void);
+
+//
+// input.c
+//
+void
+InitInputSystemInBatchMode(void);
+
+ULONG
+InitInputSystemWithDedicatedThread(void);
+
+void
+PushNewInput(CHAR *buf);
+
+CHAR *
+PeekNextInput(void);
+
+CHAR *
+ReadNextInput(void);
+
+CHAR *
+BlockingReadInput(void);
+
+ULONG
+NumberOfPendingInputEvents(void);
+
+volatile extern FLAG g_fExitProgram;
+
+//
+// ics.c
+//
+MOVE
+ParseMoveIcs(CHAR *szInput, POSITION *pos);
+
+CHAR *
+MoveToIcs(MOVE mv);
+
+//
+// testics.c
+//
+void
+TestIcs(void);
+
+//
+// gamelist.c
+//
+typedef enum _ERESULT
+{
+ RESULT_BLACK_WON = -1,
+ RESULT_DRAW = 0,
+ RESULT_WHITE_WON = 1,
+ RESULT_IN_PROGRESS,
+ RESULT_ABANDONED,
+ RESULT_UNKNOWN
+} ERESULT;
+
+typedef struct _GAME_RESULT
+{
+ ERESULT eResult;
+ CHAR szDescription[256];
+} GAME_RESULT;
+
+typedef struct _GAME_PLAYER
+{
+ CHAR *szName;
+ CHAR *szDescription;
+ FLAG fIsComputer;
+ ULONG uRating;
+}
+GAME_PLAYER;
+
+typedef struct _GAME_HEADER
+{
+ CHAR *szGameDescription;
+ CHAR *szLocation;
+ GAME_PLAYER sPlayer[2];
+ FLAG fGameIsRated;
+ UINT64 u64OpeningSig;
+ ERESULT eResult;
+ CHAR *szResultComment;
+ CHAR *szInitialFen;
+}
+GAME_HEADER;
+
+typedef struct _GAME_MOVE
+{
+ DLIST_ENTRY links;
+ ULONG uNumber;
+ MOVE mv;
+ CHAR *szComment;
+ CHAR *szDecoration;
+ CHAR *szMoveInSan;
+ CHAR *szMoveInIcs;
+ CHAR *szUndoPositionFen;
+ SCORE iMoveScore;
+ UINT64 u64PositionSigAfterMove;
+ UINT64 u64PositionSigBeforeMove;
+ volatile FLAG fInUse;
+}
+GAME_MOVE;
+
+typedef struct _GAME_DATA
+{
+ GAME_HEADER sHeader;
+ DLIST_ENTRY sMoveList;
+}
+GAME_DATA;
+
+extern GAME_DATA g_GameData;
+
+POSITION *
+GetRootPosition(void);
+
+FLAG
+SetRootPosition(CHAR *szFen);
+
+void
+ResetGameList(void);
+
+ULONG
+GetMoveNumber(ULONG uColor);
+
+void
+SetGameResultAndDescription(ERESULT r, CHAR *sz);
+
+INT
+GetGameResult(void);
+
+void
+SetMyName(void);
+
+void
+SetOpponentsName(CHAR *sz);
+
+void
+SetMyRating(ULONG u);
+
+void
+SetOpponentsRating(ULONG u);
+
+void
+DumpGameList(void);
+
+void
+TellGamelistThatIPlayColor(ULONG u);
+
+void
+DumpPgn(void);
+
+FLAG
+LoadPgn(CHAR *szPgn);
+
+ULONG
+CountOccurrancesOfSigInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+DoesSigAppearInOfficialGameList(UINT64 u64Sig);
+
+FLAG
+OfficiallyTakebackMove(void);
+
+FLAG
+OfficiallyMakeMove(MOVE mv, SCORE iMoveScore, FLAG fFast);
+
+GAME_MOVE *
+GetNthOfficialMoveRecord(ULONG n);
+
+void
+MakeStatusLine(void);
+
+FLAG
+IsLegalDrawByRepetition(void);
+
+//
+// script.c
+//
+COMMAND(ScriptCommand);
+
+COMMAND(SolutionCommand);
+
+COMMAND(AvoidCommand);
+
+COMMAND(IdCommand);
+
+void
+PostMoveTestSuiteReport(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+CheckTestSuiteMove(MOVE mv, SCORE iScore, ULONG uDepth);
+
+FLAG
+WeAreRunningASuite(void);
+
+
+//
+// vars.c
+//
+COMMAND(SetCommand);
+
+//
+// root.c
+//
+extern ULONG g_uSoftExtendLimit;
+extern ULONG g_uHardExtendLimit;
+extern volatile MOVE_TIMER g_MoveTimer;
+extern ULONG g_uExtensionReduction[MAX_PLY_PER_SEARCH];
+
+#ifdef PERF_COUNTERS
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x) \
+ ctx->sCounters.tree.u64BetaCutoffs++; \
+ if (x) \
+ { \
+ ctx->sCounters.tree.u64BetaCutoffsOnFirstMove++;\
+ }
+#else
+#define KEEP_TRACK_OF_FIRST_MOVE_FHs(x)
+#endif
+
+#define GAME_NOT_OVER 0
+#define GAME_WHITE_WON 1
+#define GAME_BLACK_WON 2
+#define GAME_DRAW_STALEMATE 3
+#define GAME_DRAW_REPETITION 4
+#define GAME_ONE_LEGAL_MOVE 5
+#define GAME_DRAW_FIFTY_MOVES_WO_PROGRESS 6
+
+GAME_RESULT
+Think(POSITION *pos);
+
+GAME_RESULT
+Ponder(POSITION *pos);
+
+GAME_RESULT
+Iterate(SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+SetMoveTimerForSearch(FLAG fSwitchOver, ULONG uColor);
+
+void
+SetMoveTimerToThinkForever(void);
+
+void
+ClearRootNodecountHash(void);
+
+//
+// draw.c
+//
+FLAG
+IsDraw(SEARCHER_THREAD_CONTEXT *ctx);
+
+
+//
+// search.c
+//
+#define QPLIES_OF_NON_CAPTURE_CHECKS (1)
+#define FUTILITY_BASE_MARGIN (50) // + ctx->uPositional (min 100)
+#define DO_IID
+#define IID_R_FACTOR (TWO_PLY + HALF_PLY)
+
+#ifndef MP
+#define WE_SHOULD_STOP_SEARCHING (g_MoveTimer.bvFlags & TIMER_STOPPING)
+#else
+#define WE_SHOULD_STOP_SEARCHING ((g_MoveTimer.bvFlags & TIMER_STOPPING) || \
+ (ThreadUnderTerminatingSplit(ctx)))
+#endif
+
+SCORE FASTCALL
+QSearch(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+SCORE FASTCALL
+Search(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth);
+
+
+//
+// searchsup.c
+//
+SCORE
+ComputeMoveScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv,
+ IN ULONG uMoveNum);
+
+FLAG
+ThreadUnderTerminatingSplit(SEARCHER_THREAD_CONTEXT *);
+
+FLAG
+WeShouldDoHistoryPruning(IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uRemainingDepth,
+ IN ULONG uLegalMoves,
+ IN MOVE mv,
+ IN ULONG uMoveNum,
+ IN INT iExtend);
+
+FLAG
+WeShouldTryNullmovePruning(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SCORE iRoughEval,
+ IN ULONG uNullDepth);
+
+FLAG
+TryNullmovePruning(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT FLAG *pfThreat,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uNullDepth,
+ IN OUT INT *piOrigExtend,
+ OUT SCORE *piNullScore);
+
+void
+UpdatePV(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv);
+
+FLAG
+CheckInputAndTimers(IN SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ComputeReactionToCheckExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uGenFlags,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN OUT INT *piExtend,
+ IN OUT INT *piOrigExtend);
+
+void
+ComputeMoveExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN ULONG uDepth,
+ IN OUT INT *piExtend);
+
+SCORE
+RescoreMovesViaSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uDepth,
+ IN SCORE iAlpha,
+ IN SCORE iBeta);
+
+FLAG
+MateDistancePruningCutoff(IN ULONG uPly,
+ IN FLAG fInCheck,
+ IN OUT SCORE *piBestScore,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta);
+
+FLAG
+CommonSearchInit(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta,
+ IN OUT SCORE *piScore);
+
+ULONG
+SelectNullmoveRFactor(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN INT uDepth);
+
+#define VERIFY_BEFORE (1)
+#define VERIFY_AFTER (2)
+
+FLAG
+SanityCheckMoves(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uCurrent,
+ IN ULONG uType);
+
+
+//
+// testsearch.c
+//
+FLAG
+TestSearch(void);
+
+//
+// see.c
+//
+#define SEE_HEAPS
+
+SCORE
+SEE(POSITION *pos,
+ MOVE mv);
+
+typedef struct _SEE_THREESOME
+{
+ PIECE pPiece;
+ COOR cLoc;
+ ULONG uVal;
+} SEE_THREESOME;
+
+typedef struct _SEE_LIST
+{
+ ULONG uCount;
+ SEE_THREESOME data[16];
+}
+SEE_LIST;
+
+SCORE
+ControlsSquareMinusPiece(ULONG uSide,
+ POSITION *pos,
+ COOR c,
+ COOR cIgnore);
+
+//
+// testsee.c
+//
+SCORE
+DebugSEE(POSITION *pos,
+ MOVE mv);
+
+void
+TestGetAttacks(void);
+
+//
+// hash.c
+//
+#define NUM_HASH_ENTRIES_PER_LINE 4
+#define HASH_FLAG_EXACT 0x1
+#define HASH_FLAG_LOWER 0x2
+#define HASH_FLAG_UPPER 0x4
+#define HASH_FLAG_VALID_BOUNDS 0x7
+#define HASH_FLAG_THREAT 0x8
+#define HASH_FLAG_DIRTY 0xF0
+
+typedef struct _HASH_ENTRY
+{
+ MOVE mv; // 0 1 2 3
+ UCHAR uDepth; // 4
+ UCHAR bvFlags; // 5 ==> d d d d | thr up low exact
+ signed short iValue; // 6 7
+ UINT64 u64Sig; // 8 9 A B C D E F == 16 bytes
+} HASH_ENTRY;
+
+FLAG
+InitializeHashSystem(void);
+
+void
+CleanupHashSystem(void);
+
+void
+ClearHashTable(void);
+
+void
+DirtyHashTable(void);
+
+void
+StoreLowerBound(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+void
+StoreExactScore(MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat,
+ ULONG uPly);
+
+void
+StoreUpperBound(//MOVE mvBestMove,
+ POSITION *pos,
+ SCORE iValue,
+ ULONG uDepth,
+ FLAG fThreat);
+
+HASH_ENTRY *
+HashLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ ULONG uNextDepth,
+ SCORE iAlpha,
+ SCORE iBeta,
+ FLAG *pfThreat,
+ FLAG *pfAvoidNull,
+ MOVE *pHashMove,
+ SCORE *piScore);
+
+COOR
+CheckHashForDangerSquare(POSITION *pos);
+
+MOVE
+GetPonderMove(POSITION *pos);
+
+extern ULONG g_uHashTableSizeEntries;
+extern ULONG g_uHashTableSizeBytes;
+extern HASH_ENTRY *g_pHashTable;
+
+//
+// testhash.c
+//
+void
+AnalyzeFullHashTable(void);
+
+//
+// positionhash.c
+//
+// IDEA: store "mate threat" flag in here?
+// IDEA: store "king safety" numbers in here?
+//
+typedef struct _POSITION_HASH_ENTRY {
+ UINT64 u64Sig;
+ UCHAR cEnprise[2];
+ UCHAR uEnpriseCount[2];
+ UCHAR cTrapped[2];
+} POSITION_HASH_ENTRY;
+
+void
+InitializePositionHashSystem(void);
+
+void
+CleanupPositionHashSystem(void);
+
+void
+StoreEnprisePiece(POSITION *pos, COOR cSquare);
+
+void
+StoreTrappedPiece(POSITION *pos, COOR cSquare);
+
+COOR
+GetEnprisePiece(POSITION *pos, ULONG uSide);
+
+ULONG
+GetEnpriseCount(POSITION *pos, ULONG uSide);
+
+COOR
+GetTrappedPiece(POSITION *pos, ULONG uSide);
+
+FLAG
+SideCanStandPat(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleDespiteMove(POSITION *pos, ULONG uSide);
+
+ULONG
+ValueOfMaterialInTroubleAfterNull(POSITION *pos, ULONG uSide);
+
+//
+// pawnhash.c
+//
+#define COOR_TO_BIT(x) ((x) & 0x7) + ((0x7 - ((x) >> 4)) << 3)
+
+void
+ClearPawnHashStats(void);
+
+void
+ReportPawnHashStats(void);
+
+PAWN_HASH_ENTRY *
+PawnHashLookup(SEARCHER_THREAD_CONTEXT *ctx);
+
+//
+// eval.c
+//
+#define LAZY_EVAL
+#define LAZE_EVAL_BASE_SCORE 10
+extern const int g_iAhead[2];
+extern const int g_iBehind[2];
+
+ULONG
+DNABufferSizeBytes();
+
+char *
+ExportEvalDNA();
+
+FLAG
+WriteEvalDNA(char *szFilename);
+
+FLAG
+ImportEvalDNA(char *p);
+
+FLAG
+ReadEvalDNA(char *szFilename);
+
+
+
+SCORE
+Eval(SEARCHER_THREAD_CONTEXT *, SCORE, SCORE);
+
+FLAG
+EvalPasserRaces(POSITION *,
+ PAWN_HASH_ENTRY *);
+
+ULONG
+CountKingSafetyDefects(POSITION *pos,
+ ULONG uSide);
+
+//
+// testeval.c
+//
+#ifdef EVAL_DUMP
+void
+TestEval(void);
+
+void
+EvalTraceReport(void);
+
+void
+EvalTrace(ULONG uColor, PIECE p, COOR c, SCORE iVal, CHAR *szMessage);
+
+SCORE
+EvalSigmaForPiece(POSITION *pos, COOR c);
+
+void
+EvalTraceClear(void);
+
+void
+TestEvalWithSymmetry(void);
+
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ); \
+ EvalTrace((COL), (PIE), (COO), (ADJ), (MESS));
+#else
+#define EVAL_TERM(COL, PIE, COO, VAL, ADJ, MESS) \
+ (VAL) += (ADJ);
+#endif
+
+//
+// bitboard.c
+//
+void
+InitializeBitboards(void);
+
+ULONG CDECL
+SlowCountBits(BITBOARD bb);
+
+ULONG CDECL
+DeBruijnFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowFirstBit(BITBOARD bb);
+
+ULONG CDECL
+SlowLastBit(BITBOARD bb);
+
+#ifdef CROUTINES
+#define CountBits SlowCountBits
+#define FirstBit SlowFirstBit
+#define LastBit SlowLastBit
+#endif
+
+COOR
+CoorFromBitBoardRank8ToRank1(BITBOARD *pbb);
+
+COOR
+CoorFromBitBoardRank1ToRank8(BITBOARD *pbb);
+
+//
+// x86.asm
+//
+ULONG CDECL
+CountBits(BITBOARD bb);
+
+ULONG CDECL
+FirstBit(BITBOARD bb);
+
+ULONG CDECL
+LastBit(BITBOARD bb);
+
+ULONG CDECL
+LockCompareExchange(volatile void *pDest,
+ ULONG uExch,
+ ULONG uComp);
+
+ULONG CDECL
+LockIncrement(volatile void *pDest);
+
+ULONG CDECL
+LockDecrement(volatile void *pDest);
+
+FLAG CDECL
+CanUseParallelOpcodes();
+
+ULONG CDECL
+ParallelCompareUlong(ULONG uComparand, void *pComparators);
+
+ULONG CDECL
+ParallelCompareVector(void *pComparand, void *pComparators);
+
+void CDECL
+GetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+
+void CDECL
+SlowGetAttacks(SEE_LIST *pList,
+ POSITION *pos,
+ COOR cSquare,
+ ULONG uSide);
+#ifdef CROUTINES
+#define GetAttacks SlowGetAttacks
+#endif
+
+#ifdef _X86_
+//
+// Note: this is most of the stuff that x86.asm assumes about the
+// internal data structures. If any of this fails then either the
+// assembly language code needs to be updated or you need to use the C
+// version of the routine in see.c instead.
+//
+#define ASSERT_ASM_ASSUMPTIONS \
+ ASSERT(VALUE_PAWN == 100); \
+ ASSERT(OFFSET_OF(uCount, SEE_LIST) == 0); \
+ ASSERT(OFFSET_OF(data, SEE_LIST) == 4); \
+ ASSERT(sizeof(SEE_THREESOME) == 12); \
+ ASSERT(OFFSET_OF(pPiece, SEE_THREESOME) == 0); \
+ ASSERT(OFFSET_OF(cLoc, SEE_THREESOME) == 4); \
+ ASSERT(OFFSET_OF(uVal, SEE_THREESOME) == 8); \
+ ASSERT(OFFSET_OF(cNonPawns, POSITION) == 0x478); \
+ ASSERT(OFFSET_OF(uNonPawnCount, POSITION) == 0x500); \
+ ASSERT(OFFSET_OF(rgSquare, POSITION) == 0); \
+ ASSERT(sizeof(SQUARE) == 8); \
+ ASSERT(sizeof(VECTOR_DELTA) == 4); \
+ ASSERT(sizeof(g_VectorDelta) == 256 * 4); \
+ ASSERT(OFFSET_OF(iVector, VECTOR_DELTA) == 0); \
+ ASSERT(OFFSET_OF(iDelta, VECTOR_DELTA) == 2); \
+ ASSERT(OFFSET_OF(iNegDelta, VECTOR_DELTA) == 3); \
+ ASSERT(sizeof(g_PieceData) == 8 * 4 * 4); \
+ ASSERT(OFFSET_OF(uValue, PIECE_DATA) == 0);
+#else
+#define ASSERT_ASM_ASSUMPTIONS
+#endif
+
+//
+// testbitboard.c
+//
+void
+TestBitboards(void);
+
+//
+// dynamic.c
+//
+extern ULONG g_HistoryCounters[14][128];
+
+ULONG
+GetMoveFailHighPercentage(MOVE mv);
+
+void
+UpdateDynamicMoveOrdering(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uRemainingDepth,
+ MOVE mvBest,
+ SCORE iScore,
+ ULONG uCurrent);
+
+void
+NewKillerMove(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv, SCORE iScore);
+
+FLAG
+InitializeDynamicMoveOrdering(void);
+
+void
+CleanupDynamicMoveOrdering(void);
+
+void
+ClearDynamicMoveOrdering(void);
+
+void
+MaintainDynamicMoveOrdering(void);
+
+void
+IncrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+void
+DecrementMoveHistoryCounter(MOVE mv, ULONG u);
+
+//
+// split.c
+//
+extern volatile ULONG g_uNumHelpersAvailable;
+extern ULONG g_uNumHelperThreads;
+
+FLAG
+InitializeParallelSearch(void);
+
+FLAG
+CleanupParallelSearch(void);
+
+void
+ClearHelperThreadIdleness(void);
+
+void
+DumpHelperIdlenessReport(void);
+
+SCORE
+StartParallelSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN SCORE iBeta,
+ IN OUT SCORE *piBestScore,
+ IN OUT MOVE *pmvBest,
+ IN ULONG uMoveNum,
+ IN INT iPositionExtend,
+ IN ULONG uDepth);
+
+void
+InitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+ReInitializeSearcherContext(POSITION *pos, SEARCHER_THREAD_CONTEXT *ctx);
+
+void
+InitializeLightweightSearcherContext(POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx);
+
+//
+// book.c
+//
+
+#define BOOK_PROBE_MISS_LIMIT (7)
+#define FLAG_DISABLED (1)
+#define FLAG_ALWAYSPLAY (2)
+#define FLAG_DELETED (4)
+
+#define BOOKMOVE_SELECT_MOVE (1)
+#define BOOKMOVE_DUMP (2)
+
+#pragma pack(4)
+typedef struct _BOOK_ENTRY
+{
+ UINT64 u64Sig; // 8 bytes
+ UINT64 u64NextSig; // 8 bytes
+ MOVE mvNext; // 4 bytes
+ ULONG uWins; // 4 bytes
+ ULONG uDraws; // 4 bytes
+ ULONG uLosses; // 4 bytes
+ BITV bvFlags; // 4 bytes
+}
+BOOK_ENTRY;
+#pragma pack()
+
+typedef struct _OPENING_NAME_MAPPING
+{
+ UINT64 u64Sig;
+ CHAR *szString;
+}
+OPENING_NAME_MAPPING;
+
+#define BOOK_EDITING_RECORD "bkedit.edt"
+#define OPENING_LEARNING_FILENAME "bklearn.bin"
+
+typedef struct _OPENING_LEARNING_ENTRY
+{
+ UINT64 u64Sig;
+ ULONG uWhiteWins;
+ ULONG uDraws;
+ ULONG uBlackWins;
+}
+OPENING_LEARNING_ENTRY;
+
+FLAG
+InitializeOpeningBook(void);
+
+void
+ResetOpeningBook(void);
+
+void
+CleanupOpeningBook(void);
+
+MOVE
+BookMove(POSITION *pos,
+ BITV bvFlags);
+
+COMMAND(BookCommand);
+
+extern ULONG g_uBookProbeFailures;
+extern FLAG g_fTournamentMode;
+extern CHAR *g_szBookName;
+
+//
+// bench.c
+//
+COMMAND(BenchCommand);
+
+//
+// testdraw.c
+//
+void
+TestDraw(void);
+
+//
+// probe.c
+//
+FLAG
+ProbeEGTB(SEARCHER_THREAD_CONTEXT *ctx, SCORE *score);
+
+void
+InitializeEGTB(void);
+
+void
+CleanupEGTB(void);
+
+//
+// dumptree.c
+//
+#ifdef DUMP_TREE
+
+void
+InitializeTreeDump(void);
+
+void
+CleanupTreeDump(void);
+
+void
+DTEnterNode(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fIsQNode,
+ SCORE iAlpha,
+ SCORE iBeta);
+
+void
+DTLeaveNode(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fQNode,
+ SCORE iBestScore,
+ MOVE mvBestMove);
+
+void CDECL
+DTTrace(ULONG uPly, CHAR *szMessage, ...);
+
+#define DTTRACE(...) DTTrace(ctx->uPly, __VA_ARGS__)
+
+#else
+
+#define DTTRACE(...)
+
+#define DTEnterNode(...)
+
+#define DTLeaveNode(...)
+
+#define InitializeTreeDump(...)
+
+#define CleanupTreeDump(...)
+
+#endif
+
+//
+// testsup.c
+//
+FLAG
+IsBoardLegal(POSITION *pos);
+
+void
+GenerateRandomLegalPosition(POSITION *pos);
+
+void
+GenerateRandomLegalSymetricPosition(POSITION *pos);
+
+//
+// recogn.c
+//
+#define UNRECOGNIZED (0)
+#define RECOGN_EXACT (1)
+#define RECOGN_UPPER (2)
+#define RECOGN_LOWER (3)
+#define RECOGN_EGTB (4)
+
+void
+InitializeInteriorNodeRecognizers(void);
+
+ULONG
+RecognLookup(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE *piScore,
+ FLAG fProbeEGTB);
+
+#ifdef EVAL_HASH
+void
+ClearEvalHashStats(void);
+
+void
+ReportEvalHashStats(void);
+
+SCORE
+ProbeEvalHash(SEARCHER_THREAD_CONTEXT *ctx);
+
+SCORE
+GetRoughEvalScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN FLAG fUseHash);
+
+void
+StoreEvalHash(SEARCHER_THREAD_CONTEXT *ctx, SCORE iScore);
+#endif // EVAL_HASH
+
+#endif // CHESS
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ main.c
+
+Abstract:
+
+ Program entry point and setup code.
+
+Author:
+
+
+Revision History:
+
+ $Id: main.c 351 2008-06-28 04:21:53Z scott $
+
+**/
+
+#include "chess.h"
+
+FILE *g_pfLogfile = NULL;
+GAME_OPTIONS g_Options;
+CHAR g_szInitialCommand[SMALL_STRING_LEN_CHAR];
+ULONG g_uInputThreadHandle = (ULONG)-1;
+
+void
+Banner(void)
+/**
+
+Routine description:
+
+ Describe the compile/build options and program version.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ char *p;
+
+ Trace("Typhoon %s (built on %s %s):\n", VERSION, __DATE__, __TIME__);
+ Trace(" " REVISION);
+ Trace(" " COMPILER_STRING);
+ Trace(" Make profile used: %s\n", PROFILE);
+#ifdef MP
+ Trace(" Multiprocessor enabled; %u searcher thread%s\n",
+ g_Options.uNumProcessors, (g_Options.uNumProcessors > 1) ? "s" : "");
+#else
+ Trace(" Single processor version\n");
+#endif
+#ifdef DEBUG
+ Trace(" DEBUG build\n");
+#endif
+#ifdef TEST
+ Trace(" Testcode compiled in\n");
+#endif
+#ifdef EVAL_DUMP
+ Trace(" Evaluation terms\n");
+#endif
+#ifdef EVAL_TIME
+ Trace(" Evaluation timing\n");
+#endif
+#ifdef PERF_COUNTERS
+ Trace(" Performance counters\n");
+#ifdef TEST_NULL
+ Trace(" Testing nullmove prediction algorithms\n");
+#endif
+#endif
+#ifdef DUMP_TREE
+ Trace(" Search tree dumpfile generation enabled\n");
+#endif
+ Trace(" Hash sizes: %u Mb (main), %u Mb / thread (pawn), %u Mb / thread (eval)\n",
+ (g_uHashTableSizeEntries * sizeof(HASH_ENTRY)) / MB,
+ PAWN_HASH_TABLE_SIZE * sizeof(PAWN_HASH_ENTRY) / MB,
+ EVAL_HASH_TABLE_SIZE * sizeof(EVAL_HASH_ENTRY) / MB);
+ Trace(" QCheckPlies: %u\n", QPLIES_OF_NON_CAPTURE_CHECKS);
+ Trace(" FutilityBase: %u\n", FUTILITY_BASE_MARGIN);
+ p = ExportEvalDNA();
+ Trace(" Logging Eval DNA.\n");
+ Log(p);
+ free(p);
+#ifdef DO_IID
+ Trace(" IID R-factor: %u ply\n", IID_R_FACTOR / ONE_PLY);
+#endif
+}
+
+
+void
+EndLogging(void)
+/**
+
+Routine description:
+
+ Close the main logfile.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != g_pfLogfile)
+ {
+ fflush(g_pfLogfile);
+ fflush(stdout);
+ fclose(g_pfLogfile);
+ g_pfLogfile = NULL;
+ }
+}
+
+
+FLAG
+BeginLogging(void)
+/**
+
+Routine description:
+
+ Open the main logfile.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (NULL != g_pfLogfile)
+ {
+ EndLogging();
+ }
+ ASSERT(g_pfLogfile == NULL);
+ ASSERT(strlen(g_Options.szLogfile));
+
+ //
+ // If the logfile we want to write already exists, back it up.
+ //
+ if (TRUE == SystemDoesFileExist(g_Options.szLogfile))
+ {
+ VERIFY(BackupFile(g_Options.szLogfile));
+ }
+ ASSERT(FALSE == SystemDoesFileExist(g_Options.szLogfile));
+
+ g_pfLogfile = fopen(g_Options.szLogfile, "wb+");
+ if (NULL == g_pfLogfile)
+ {
+ UtilPanic(INITIALIZATION_FAILURE,
+ (void *)"Can't open logfile",
+ (void *)&(g_Options.szLogfile),
+ (void *)"write",
+ NULL,
+ __FILE__, __LINE__);
+ }
+ return(TRUE);
+}
+
+
+FLAG
+PreGameReset(FLAG fResetBoard)
+/**
+
+Routine description:
+
+ Reset internal state between games.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (TRUE == fResetBoard)
+ {
+ SetRootToInitialPosition();
+ }
+ SetMyName();
+ ClearDynamicMoveOrdering();
+ ClearHashTable();
+ ResetOpeningBook();
+ return(TRUE);
+}
+
+
+static ULONG
+_ParseHashOption(char *p,
+ ULONG uEntrySize)
+{
+ ULONG u, v;
+ CHAR c;
+
+ if ((!STRCMPI(p, "none")) || (!STRCMPI(p, "no"))) return(0);
+ if (2 == sscanf(p, "%u%1c", &u, &c))
+ {
+ v = u;
+ switch(c)
+ {
+ case 'K':
+ case 'k':
+ u *= 1024;
+ break;
+ case 'M':
+ case 'm':
+ u *= 1024 * 1024;
+ break;
+ case 'G':
+ case 'g':
+ u *= 1024 * 1024 * 1024;
+ break;
+ default:
+ Trace("Error (unrecognized size): \"%s\"\n", p);
+ break;
+ }
+ if (u < v)
+ {
+ Trace("Error (size too large): \"%s\"\n", p);
+ u = v;
+ }
+ u /= uEntrySize;
+ }
+ else
+ {
+ u = (ULONG)atoi(p);
+ }
+
+ while(!IS_A_POWER_OF_2(u))
+ {
+ u &= (u - 1);
+ }
+ return(u);
+}
+
+
+
+void
+InitializeOptions(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Set global options to their initial state. This code also is
+ responsible for parsing the commandline in order to override the
+ default state of global options.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ void
+
+**/
+{
+ int i;
+
+ //
+ // Defaults
+ //
+ memset(&g_Options, 0, sizeof(g_Options));
+ g_szInitialCommand[0] = '\0';
+ g_Options.uMyClock = g_Options.uOpponentsClock = 600;
+ g_Options.fGameIsRated = FALSE;
+ g_Options.fOpponentIsComputer = FALSE;
+ g_Options.uSecPerMove = 0;
+ g_Options.uMaxDepth = MAX_PLY_PER_SEARCH - 1;
+ g_Options.fShouldPonder = TRUE;
+ g_Options.fPondering = g_Options.fThinking = FALSE;
+ g_Options.mvPonder.uMove = 0;
+ g_Options.fShouldPost = TRUE;
+ g_Options.fForceDrawWorthZero = FALSE;
+ g_Options.uMyIncrement = 0;
+ g_Options.uMovesPerTimePeriod = 0;
+ g_Options.szAnalyzeProgressReport[0] = '\0';
+ g_Options.fShouldAnnounceOpening = TRUE;
+ g_Options.eClock = CLOCK_NONE;
+ g_Options.eGameType = GAME_UNKNOWN;
+ g_Options.ePlayMode = FORCE_MODE;
+ g_Options.fNoInputThread = FALSE;
+ g_Options.fVerbosePosting = TRUE;
+ strcpy(g_Options.szEGTBPath, "/egtb/three;/etc/four;/egtb/five");
+ strcpy(g_Options.szLogfile, "typhoon.log");
+ strcpy(g_Options.szBookName, "book.bin");
+ g_Options.uNumHashTableEntries = 0x10000;
+ g_Options.uNumProcessors = 1;
+ g_Options.fStatusLine = TRUE;
+ g_Options.fShouldResign = FALSE;
+ g_Options.u64MaxNodeCount = 0ULL;
+
+ i = 1;
+ while(i < argc)
+ {
+#ifdef MP
+ if ((!STRCMPI(argv[i], "--cpus")) && (argc > i))
+ {
+ g_Options.uNumProcessors = (ULONG)atoi(argv[i+1]);
+ if ((g_Options.uNumProcessors == 0) ||
+ (g_Options.uNumProcessors > 64))
+ {
+ g_Options.uNumProcessors = 2;
+ }
+ i++;
+ }
+ else
+#endif
+ if ((!STRCMPI(argv[i], "--command")) && (argc > i))
+ {
+ strncpy(g_szInitialCommand,
+ argv[i+1],
+ SMALL_STRING_LEN_CHAR - 2);
+ strcat(g_szInitialCommand, "\r\n");
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--hash")) && (argc > i))
+ {
+ g_Options.uNumHashTableEntries =
+ _ParseHashOption(argv[i+1],
+ sizeof(HASH_ENTRY));
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--egtbpath")) && (argc > i))
+ {
+ g_Options.szEGTBPath[0] = '\0';
+ strncpy(g_Options.szEGTBPath, argv[i+1], SMALL_STRING_LEN_CHAR);
+ i++;
+ }
+ else if (!STRCMPI(argv[i], "--batch"))
+ {
+ g_Options.fNoInputThread = TRUE;
+ }
+ else if ((!STRCMPI(argv[i], "--dnafile")) && (argc > i))
+ {
+ if (!ReadEvalDNA(argv[i+1]))
+ {
+ UtilPanic(INITIALIZATION_FAILURE,
+ (void *)"Bad DNA file",
+ (void *)&(argv[i+1]),
+ (void *)"read",
+ NULL,
+ __FILE__, __LINE__);
+ }
+ i++;
+ }
+ else if ((!STRCMPI(argv[i], "--logfile")) && (argc > i))
+ {
+ strncpy(g_Options.szLogfile, argv[i+1],
+ SMALL_STRING_LEN_CHAR);
+ i++;
+ }
+ else if (!STRCMPI(argv[i], "--help")) {
+ Trace("Usage: %s [--batch] [--command arg] [--logfile arg] [--egtbpath arg]\n"
+ " [--dnafile arg] [--cpus arg] [--hash arg]\n\n"
+ " --batch : operate the engine without an input thread\n"
+ " --command : specify initial command(s) (requires arg)\n"
+ " --cpus : indicate the number of cpus to use (requires arg, MP build)\n"
+ " --hash : indicate desired hash size (requires arg)\n"
+ " --egtbpath : supplies the egtb path to engine (requires arg)\n"
+ " --logfile : indicate desired output logfile name (requires arg)\n"
+ " --dnafile : indicate desired eval profile input (requres arg)\n\n"
+ "Example: %s --hash 256m --cpus 2\n"
+ " %s --logfile test.out --batch --command \"test\" --dnafile test.in\n", argv[0], argv[0], argv[0]);
+ exit(-1);
+ }
+ else
+ {
+ Trace("Error (unknown argument): \"%s\"; try --help\n", argv[i]);
+ }
+
+ //
+ // TODO: parse other commandline options and override above
+ //
+
+ i++;
+ }
+}
+
+
+void
+CleanupOptions(void)
+/**
+
+Routine description:
+
+ Cleanup options...
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ NOTHING;
+}
+
+
+FLAG
+MainProgramInitialization(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Perform main program initialization. This includes stuff like:
+ precomputing some data structures, resetting the global options,
+ parsing the commandline to override said options, and calling out
+ to other modules to tell them to initialize themselves.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ FLAG
+
+**/
+{
+ srand((unsigned int)time(0));
+ InitializeOptions(argc, argv);
+ InitializeTreeDump();
+ InitializeEGTB();
+ InitializeSigSystem();
+ InitializeInteriorNodeRecognizers();
+ InitializeSearchDepthArray();
+ InitializeWhiteSquaresTable();
+ InitializeVectorDeltaTable();
+ InitializeSwapTable();
+ InitializeDistanceTable();
+ InitializeOpeningBook();
+ InitializeDynamicMoveOrdering();
+ InitializeHashSystem();
+ InitializePositionHashSystem();
+#ifdef MP
+ InitializeParallelSearch();
+#endif
+ VERIFY(PreGameReset(TRUE));
+ return(BeginLogging());
+}
+
+
+FLAG
+MainProgramCleanup(void)
+/**
+
+Routine description:
+
+ Perform main program cleanup. Tear down the stuff we set up in
+ MainProgramInitialization.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CleanupOpeningBook();
+ CleanupEGTB();
+ CleanupDynamicMoveOrdering();
+#ifdef MP
+ CleanupParallelSearch();
+#endif
+ CleanupPositionHashSystem();
+ CleanupHashSystem();
+ CleanupTreeDump();
+ CleanupOptions();
+ EndLogging();
+ return(TRUE);
+}
+
+
+#ifdef TEST
+FLAG
+RunStartupProgramTest(void)
+/**
+
+Routine description:
+
+ If we built this version with -DTEST then this code is the start
+ of the self-test that runs at program startup time.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG u, x, y;
+
+#ifdef _X86_
+ Trace("Testing CPP macros...\n");
+ for (u = 0; u < 1000000; u++)
+ {
+ x = rand() * rand();
+ y = rand() * rand();
+ x = x & ~(0x80000000);
+ y = y & ~(0x80000000);
+
+ if (MAX(x, y) != MAXU(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "max maxu", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MAXU(x, y) != MAXU(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "maxu assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MIN(x, y) != MINU(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "min minu", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (MINU(x, y) != MINU(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "minu assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (abs(x - y) != ABS_DIFF(x, y))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "abs_diff", NULL, NULL, __FILE__, __LINE__);
+ }
+
+ if (ABS_DIFF(x, y) != ABS_DIFF(y, x))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "abs_diff assoc", NULL, NULL, __FILE__, __LINE__);
+ }
+ }
+#endif
+
+ TestDraw();
+#ifdef EVAL_DUMP
+ TestEval();
+#endif
+ TestBitboards();
+ TestSan();
+ TestIcs();
+ TestGetAttacks();
+ TestMoveGenerator();
+ TestLegalMoveGenerator();
+ TestFenCode();
+ TestLiftPlaceSlidePiece();
+ TestExposesCheck();
+ TestIsAttacked();
+ TestMakeUnmakeMove();
+ TestSearch();
+
+ return(TRUE);
+}
+#endif // TEST
+
+
+
+void DeclareTerminalStates(GAME_RESULT result) {
+ switch(result.eResult) {
+ case RESULT_IN_PROGRESS:
+ return;
+ case RESULT_BLACK_WON:
+ Trace("0-1 {%s}\n", result.szDescription);
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_WHITE_WON:
+ Trace("1-0 {%s}\n", result.szDescription);
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_DRAW:
+ Trace("1/2-1/2 {%s}\n", result.szDescription);
+ Trace("tellics draw\n");
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ case RESULT_ABANDONED:
+ case RESULT_UNKNOWN:
+ ASSERT(FALSE);
+ SetGameResultAndDescription(result.eResult, result.szDescription);
+ DumpPgn();
+ g_Options.ePlayMode = FORCE_MODE;
+ break;
+ }
+}
+
+
+// Main work loop
+void MainProgramLoop() {
+ POSITION pos;
+ GAME_RESULT result;
+ FLAG fThink;
+ FLAG fPonder;
+
+ while (!g_fExitProgram) {
+
+ // Prepare to search or ponder
+ memcpy(&pos, GetRootPosition(), sizeof(POSITION));
+ fThink = fPonder = FALSE;
+ result.eResult = RESULT_IN_PROGRESS;
+ result.szDescription[0] = '\0';
+
+ // What should we do?
+ switch(g_Options.ePlayMode) {
+ case I_PLAY_WHITE:
+ Trace("I play white.\n");
+ fThink = (pos.uToMove == WHITE);
+ fPonder = (pos.uToMove == BLACK);
+ break;
+ case I_PLAY_BLACK:
+ Trace("I play black.\n");
+ fThink = (pos.uToMove == BLACK);
+ fPonder = (pos.uToMove == WHITE);
+ break;
+ case FORCE_MODE:
+ default:
+ Trace("Force mode\n");
+ fThink = fPonder = FALSE;
+ break;
+ }
+
+ if (fThink) {
+ Trace("Think...\n");
+ result = Think(&pos);
+ if ((NumberOfPendingInputEvents() != 0) &&
+ (FALSE == g_fExitProgram))
+ {
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ DeclareTerminalStates(result);
+ } else if (fPonder) {
+ Trace("Ponder...\n");
+ if (g_Options.fShouldPonder) {
+ result = Ponder(&pos);
+ }
+ if (FALSE == g_fExitProgram)
+ {
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ DeclareTerminalStates(result);
+ } else {
+ Trace("Force mode, consume input and continue\n");
+ MakeStatusLine();
+ ParseUserInput(FALSE);
+ }
+ }
+}
+
+
+int CDECL
+main(int argc, char *argv[])
+/**
+
+Routine description:
+
+ Chess engine entry point and main loop.
+
+Parameters:
+
+ int argc,
+ char *argv[]
+
+Return value:
+
+ int CDECL
+
+**/
+{
+ // Initial setup work...
+ Trace("Setting up, please wait...\n");
+ if (FALSE == SystemDependentInitialization())
+ {
+ Trace("main: Operating system dependent init code failed, "
+ "aborting.\n");
+ exit(-1);
+ }
+ if (FALSE == MainProgramInitialization(argc, argv))
+ {
+ Trace("main: Main program init code failed, aborting.\n");
+ exit(-1);
+ }
+ Banner();
+#ifdef TEST
+ (void)RunStartupProgramTest();
+#endif
+ if (TRUE == g_Options.fNoInputThread)
+ {
+ InitInputSystemInBatchMode();
+ }
+ else
+ {
+ g_uInputThreadHandle = InitInputSystemWithDedicatedThread();
+ }
+
+ // Enter the main work loop code...
+ MainProgramLoop();
+
+ // If we get here g_fExitProgram is set -- clean up.
+ Trace("MAIN THREAD: thread terminating.\n");
+ if (FALSE == MainProgramCleanup())
+ {
+ Trace("main: Main program cleanup code failed, aborting.\n");
+ exit(-1);
+ }
+ exit(0);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ root.c
+
+Abstract:
+
+ Routines dealing with the root of the search tree. Specifically
+ move ordering at the root node, searching, search support, pondering,
+ pondering support, and the main iterative deepening loop.
+
+Author:
+
+
+Revision History:
+
+ $Id: root.c 351 2008-06-28 04:21:53Z scott $
+
+**/
+
+#include "chess.h"
+
+volatile MOVE_TIMER g_MoveTimer;
+ULONG g_uIterateDepth;
+ULONG g_uSoftExtendLimit;
+ULONG g_uHardExtendLimit;
+ULONG g_uExtensionReduction[MAX_PLY_PER_SEARCH];
+FLAG g_fCanSplit[MAX_PLY_PER_SEARCH];
+extern FILE *g_pfLogfile;
+SCORE g_iRootScore[2] = {0, 0};
+SCORE g_iScore;
+
+
+static void
+_SetMoveTimerForPonder(void)
+/**
+
+Routine description:
+
+ Set the move timer before a ponder operation. A time limit of -1
+ means search forever... so the only way out of the ponder is for
+ new user input to interrupt it.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.dSoftTimeLimit = -1;
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.uNodeCheckMask = 0x200 - 1;
+ g_MoveTimer.bvFlags = 0;
+}
+
+
+void
+SetMoveTimerToThinkForever(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.dSoftTimeLimit = -1;
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.uNodeCheckMask = 0x1000000 - 1;
+ g_MoveTimer.bvFlags = 0;
+}
+
+
+void
+SetMoveTimerForSearch(FLAG fSwitchOver, ULONG uColor)
+/**
+
+Routine description:
+
+ Set the move timer for a search operation.
+
+Parameters:
+
+ FLAG fSwitchOver : if TRUE then this search is a converted ponder
+ (i.e. they made the ponder move and now we are searching).
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uMovesDone = GetMoveNumber(uColor);
+ double dClock = (double)g_Options.uMyClock;
+ double dSec = 0;
+ ULONG uMargin = 0;
+ ULONG uMovesToDo;
+
+ //
+ // If switching over from a ponder search leave the start time and
+ // move flags alone (i.e. N seconds in the past already).
+ //
+ if (FALSE == fSwitchOver)
+ {
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.bvFlags = 0;
+ }
+
+ //
+ // Check the clock more often in search if there is little time
+ // left on the clock -- we can't afford an oversearch when the
+ // bullet game is down to the wire.
+ //
+#ifdef DEBUG
+ g_MoveTimer.uNodeCheckMask = 0x800 - 1;
+#else
+ if (WeAreRunningASuite())
+ {
+ g_MoveTimer.uNodeCheckMask = 0x20000 - 1;
+ }
+ else if (g_Options.u64MaxNodeCount)
+ {
+ g_MoveTimer.uNodeCheckMask = 0x1000 - 1;
+ }
+ else
+ {
+ if (dClock < 10.0)
+ {
+ g_MoveTimer.uNodeCheckMask = 0x400 - 1;
+ }
+ else
+ {
+ g_MoveTimer.uNodeCheckMask = 0x8000 - 1;
+ }
+ }
+#endif
+
+ switch (g_Options.eClock)
+ {
+ //
+ // Fixed time per move. Think for g_uMyIncrement seconds exactly and
+ // no hard time limit.
+ //
+ case CLOCK_FIXED:
+ dSec = (double)g_Options.uMyIncrement;
+ uMargin = 0;
+ break;
+
+ //
+ // N moves per time control or entire game in time control.
+ //
+ case CLOCK_NORMAL:
+ if (g_Options.uMovesPerTimePeriod != 0)
+ {
+ //
+ // N moves per time control.
+ //
+ ASSERT(g_Options.uMovesPerTimePeriod < 256);
+ uMovesToDo =
+ (g_Options.uMovesPerTimePeriod -
+ ((uMovesDone - 1) % g_Options.uMovesPerTimePeriod));
+#ifdef DEBUG
+ Trace("SetMoveTimer: %u moves left to do this in %s sec.\n",
+ uMovesToDo, TimeToString(dClock));
+#endif
+ ASSERT(uMovesToDo <= g_Options.uMovesPerTimePeriod);
+ dSec = (dClock / (double)uMovesToDo);
+ dSec *= 0.95;
+ uMargin = (ULONG)(dSec * 2.2);
+ if (uMovesToDo <= 5)
+ {
+ dSec *= 0.75;
+ uMargin /= 2;
+ }
+ break;
+ }
+ else
+ {
+ //
+ // Fixed time finish entire game.
+ //
+#ifdef DEBUG
+ Trace("SetMoveTimer: finish the game in %s sec.\n",
+ TimeToString(dClock));
+#endif
+ dSec = dClock / 60;
+ uMargin = (ULONG)(dSec * 2.2);
+ }
+ break;
+
+ //
+ // We get back a certain number of seconds with each move made.
+ //
+ case CLOCK_INCREMENT:
+ dSec = g_Options.uMyIncrement;
+ dSec += (dClock / 50);
+ uMargin = (int)(dSec * 2.2);
+
+#ifdef DEBUG
+ Trace("SetMoveTimer: finish the game in %s sec (+%u per move).\n",
+ TimeToString(dClock), g_Options.uMyIncrement);
+#endif
+
+ //
+ // If we are running out of time, think for less than the
+ // increment.
+ //
+ if (dClock < 20.0)
+ {
+ dSec -= g_Options.uMyIncrement;
+ uMargin = 0;
+ }
+ ASSERT(dSec > 0);
+ break;
+
+ case CLOCK_NONE:
+#ifdef DEBUG
+ Trace("SetMoveTimer: no time limit, think until interrupted.\n");
+#endif
+ g_MoveTimer.dHardTimeLimit = -1;
+ g_MoveTimer.dSoftTimeLimit = -1;
+ goto post;
+
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+ if ((dSec + uMargin) >= (dClock * 7 / 8)) uMargin = 0;
+ g_MoveTimer.dSoftTimeLimit = g_MoveTimer.dStartTime + dSec;
+ g_MoveTimer.dHardTimeLimit = g_MoveTimer.dStartTime + dSec + uMargin;
+
+ post:
+ if (TRUE == g_Options.fShouldPost)
+ {
+ if (g_MoveTimer.dSoftTimeLimit > 0)
+ {
+ Trace("SetMoveTimer: Soft time limit %s seconds.\n",
+ TimeToString(g_MoveTimer.dSoftTimeLimit -
+ g_MoveTimer.dStartTime));
+ ASSERT(g_MoveTimer.dHardTimeLimit > 0);
+ Trace("SetMoveTimer: Hard time limit %s seconds.\n",
+ TimeToString(g_MoveTimer.dHardTimeLimit -
+ g_MoveTimer.dStartTime));
+ if (TRUE == fSwitchOver)
+ {
+ Trace("SetMoveTimer: Already searched %s seconds.\n",
+ TimeToString(SystemTimeStamp() -
+ g_MoveTimer.dStartTime));
+ }
+ }
+#ifdef DEBUG
+ Trace("SetMoveTimer: Checking input and timer every %u nodes.\n",
+ g_MoveTimer.uNodeCheckMask);
+#endif
+ }
+}
+
+
+void
+ReInitializeSearcherContext(POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Reinitializes a SEARCHER_THREAD_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ if (NULL != pos)
+ {
+ memmove(&(ctx->sPosition), pos, sizeof(POSITION));
+ }
+ ctx->uPly = 0;
+ ctx->uPositional = 133;
+ memset(&(ctx->sCounters), 0, sizeof(COUNTERS));
+}
+
+
+void
+InitializeSearcherContext(POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Initialize a SEARCHER_THREAD_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ memset(ctx, 0, sizeof(SEARCHER_THREAD_CONTEXT));
+ ReInitializeSearcherContext(pos, ctx);
+ ctx->sMoveStack.uUnblockedKeyValue[0] = 1;
+ for (u = 1;
+ u < MAX_PLY_PER_SEARCH;
+ u++)
+ {
+ ctx->sMoveStack.uUnblockedKeyValue[u] =
+ ctx->sMoveStack.uUnblockedKeyValue[u-1] + 0x28F5C28;
+ }
+}
+
+
+void
+InitializeLightweightSearcherContext(POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Initialize a LIGHTWEIGHT_SEARCHER_CONTEXT structure.
+
+Parameters:
+
+ POSITION *pos,
+ LIGHTWEIGHT_SEARCHER_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ memset(ctx, 0, sizeof(LIGHTWEIGHT_SEARCHER_CONTEXT));
+ if (NULL != pos)
+ {
+ memmove(&(ctx->sPosition), pos, sizeof(POSITION));
+ }
+ ctx->uPly = 0;
+ ctx->uPositional = 133;
+ ctx->sMoveStack.uUnblockedKeyValue[0] = 1;
+ for (u = 1;
+ u < MAX_PLY_PER_SEARCH;
+ u++)
+ {
+ ctx->sMoveStack.uUnblockedKeyValue[u] =
+ ctx->sMoveStack.uUnblockedKeyValue[u-1] + 0x28F5C28;
+ }
+}
+
+
+void
+PostMoveSearchReport(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Dump a report to stdout after every move.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+
+Return value:
+
+ void
+
+**/
+{
+ double d;
+ char buf[256];
+#ifdef PERF_COUNTERS
+ double n;
+#endif
+ d = (double)g_MoveTimer.dEndTime - (double)g_MoveTimer.dStartTime + 0.01;
+ ASSERT(d);
+ Trace("---------------------------------------------\n"
+ "Searched for %5.1f seconds, saw %"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " nodes (%"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " qnodes) (%6.0f nps).\n",
+ d, ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->sCounters.tree.u64QNodeCount,
+ ((double)ctx->sCounters.tree.u64TotalNodeCount / d));
+ if (g_Options.fThinking)
+ {
+ snprintf(buf, ARRAY_LENGTH(buf), "d%u, %s, %3.1fs, %6.0fknps, PV=%s",
+ ctx->uRootDepth / ONE_PLY,
+ ScoreToString(ctx->iRootScore),
+ d,
+ ((double)ctx->sCounters.tree.u64TotalNodeCount / d / 1000),
+ ctx->szLastPV);
+ Trace("tellothers %s\n", buf);
+ }
+#ifdef MP
+#ifdef PERF_COUNTERS
+ if (ctx->sCounters.parallel.uNumSplits > 0)
+ {
+ n = (double)ctx->sCounters.parallel.uNumSplits;
+ Trace("Split %u times total ",
+ ctx->sCounters.parallel.uNumSplits);
+ Trace("(~%7.2fx/sec).\n", (n / d));
+ d = n + 1;
+ ASSERT(d);
+ n = (double)ctx->sCounters.parallel.uNumSplitsTerminated;
+ Trace(" ...%u (%5.2f percent) terminated early.\n",
+ ctx->sCounters.parallel.uNumSplitsTerminated, ((n/d) * 100.0));
+ DumpHelperIdlenessReport();
+ }
+#endif
+#endif
+
+#ifdef TEST
+ AnalyzeFullHashTable();
+#endif
+#ifdef PERF_COUNTERS
+ d = (double)(ctx->sCounters.hash.u64Probes) + 1;
+ ASSERT(d);
+ Trace("Hashing percentages: (%5.3f total, %5.3f useful)\n",
+ ((double)(ctx->sCounters.hash.u64OverallHits) / d) * 100.0,
+ ((double)(ctx->sCounters.hash.u64UsefulHits) / d) * 100.0);
+ d = (double)(ctx->sCounters.pawnhash.u64Probes) + 1;
+ ASSERT(d);
+ n = (double)(ctx->sCounters.pawnhash.u64Hits);
+ Trace("Pawn hash hitrate: %5.3f percent.\n", (n/d) * 100.0);
+ n = (double)(ctx->sCounters.tree.u64NullMoveSuccess);
+ d = (double)(ctx->sCounters.tree.u64NullMoves) + 1;
+ ASSERT(d);
+ Trace("Null move cutoff rate: %5.3f percent.\n",
+ ((n / d) * 100.0));
+#ifdef TEST_ENDGAME
+ n = (double)(ctx->sCounters.tree.u64EndgamePruningSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64EndgamePruningFailures);
+ if (d != 0.0)
+ {
+ Trace("Endgame pruning heuristic success rate was %5.3f percent.\n"
+ "Endgame pruning heuristic was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64EndgamePruningSuccess,
+ (ctx->sCounters.tree.u64EndgamePruningSuccess +
+ ctx->sCounters.tree.u64EndgamePruningFailures));
+ }
+ else
+ {
+ Trace("Never used endgame pruning heuristic.\n");
+ }
+#endif
+#ifdef TEST_NULL
+ n = (double)(ctx->sCounters.tree.u64AvoidNullSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64AvoidNullFailures);
+ if (d != 0.0)
+ {
+ Trace("Avoid null move heuristic rate was %5.3f percent.\n"
+ "Avoid null move heuristic was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64AvoidNullSuccess,
+ (ctx->sCounters.tree.u64AvoidNullSuccess +
+ ctx->sCounters.tree.u64AvoidNullFailures));
+ }
+ else
+ {
+ Trace("Never used the avoid null move heuristic.\n");
+ }
+ n = (double)(ctx->sCounters.tree.u64QuickNullSuccess);
+ n += (double)(ctx->sCounters.tree.u64QuickNullDeferredSuccess);
+ d = n + (double)(ctx->sCounters.tree.u64QuickNullFailures);
+ if (d != 0.0)
+ {
+ Trace("Quick null move heuristic rate was %5.3f percent.\n"
+ "Quick null move heuristic rate was "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT " ("
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ") / "
+ "%"COMPILER_LONGLONG_UNSIGNED_FORMAT ".\n",
+ ((n / d) * 100.0),
+ ctx->sCounters.tree.u64QuickNullSuccess,
+ ctx->sCounters.tree.u64QuickNullDeferredSuccess,
+ (ctx->sCounters.tree.u64QuickNullSuccess +
+ ctx->sCounters.tree.u64QuickNullDeferredSuccess +
+ ctx->sCounters.tree.u64QuickNullFailures));
+ }
+ else
+ {
+ Trace("Never used the quick null move heuristic.\n");
+ }
+#endif
+ n = (double)ctx->sCounters.tree.u64BetaCutoffsOnFirstMove;
+ d = (double)ctx->sCounters.tree.u64BetaCutoffs + 1;
+ Trace("First move beta cutoff rate was %5.3f percent.\n",
+ ((n / d) * 100.0));
+#ifdef LAZY_EVAL
+ d = (double)ctx->sCounters.tree.u64LazyEvals;
+ d += (double)ctx->sCounters.tree.u64FullEvals;
+ d += (double)ctx->sCounters.tree.u64EvalHashHits;
+ d += 1;
+ ASSERT(d);
+ Trace("Eval percentages: (%5.2f hash, %5.2f lazy, %5.2f full)\n",
+ ((double)ctx->sCounters.tree.u64EvalHashHits / d) * 100.0,
+ ((double)ctx->sCounters.tree.u64LazyEvals / d) * 100.0,
+ ((double)ctx->sCounters.tree.u64FullEvals / d) * 100.0);
+#endif
+ Trace("Extensions: (%u +, %u q+, %u 1mv, %u !kmvs, %u mult+, %u pawn\n"
+ " %u threat, %u zug, %u sing, %u endg, %u bm, %u recap)\n",
+ ctx->sCounters.extension.uCheck,
+ ctx->sCounters.extension.uQExtend,
+ ctx->sCounters.extension.uOneLegalMove,
+ ctx->sCounters.extension.uNoLegalKingMoves,
+ ctx->sCounters.extension.uMultiCheck,
+ ctx->sCounters.extension.uPawnPush,
+ ctx->sCounters.extension.uMateThreat,
+ ctx->sCounters.extension.uZugzwang,
+ ctx->sCounters.extension.uSingularReplyToCheck,
+ ctx->sCounters.extension.uEndgame,
+ ctx->sCounters.extension.uBotvinnikMarkoff,
+ ctx->sCounters.extension.uRecapture);
+#ifdef EVAL_TIME
+ n = (double)ctx->sCounters.tree.u64CyclesInEval;
+ Trace("Avg. cpu cycles in eval: %8.1f.\n", (n / d));
+#endif
+#endif
+ fflush(g_pfLogfile);
+}
+
+
+SCORE
+RootSearch(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth)
+/**
+
+Routine description:
+
+ Search at the root of the whole tree.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uDepth,
+
+Return value:
+
+ SCORE
+
+**/
+{
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ SCORE iBestScore = -INFINITY;
+ SCORE iInitialAlpha = iAlpha;
+ MOVE mv;
+ ULONG x, y;
+ SCORE iScore;
+ ULONG uNextDepth;
+ UINT64 u64StartingNodeCount;
+ ULONG uNumLegalMoves;
+
+#ifdef DEBUG
+ POSITION *pos = &ctx->sPosition;
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT((ctx->uPly == 0) || (ctx->uPly == 1)); // 1 is for under a ponder
+ memcpy(&pi->sPosition, pos, sizeof(POSITION));
+#endif
+
+ ctx->sCounters.tree.u64TotalNodeCount++;
+ pi->PV[ctx->uPly] = NULLMOVE;
+ pi->mvBest = NULLMOVE;
+ g_MoveTimer.bvFlags |= TIMER_SEARCHING_FIRST_MOVE;
+#ifdef DEBUG
+ Trace("---- depth=%u, a=%d, b=%d ----\n", uDepth / ONE_PLY, iAlpha, iBeta);
+#endif
+
+ uNumLegalMoves = 0;
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ SelectMoveAtRoot(ctx, x);
+ if (ctx->sMoveStack.mvf[x].bvFlags & MVF_MOVE_SEARCHED) break;
+ ctx->sMoveStack.mvf[x].bvFlags |= MVF_MOVE_SEARCHED;
+ mv = ctx->sMoveStack.mvf[x].mv;
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+
+ if (MakeMove(ctx, mv))
+ {
+ uNumLegalMoves++;
+ u64StartingNodeCount = ctx->sCounters.tree.u64TotalNodeCount;
+
+ //
+ // TODO: Fancy recap shit here?
+ //
+
+ uNextDepth = uDepth - ONE_PLY;
+ if (IS_CHECKING_MOVE(mv))
+ {
+ uNextDepth += HALF_PLY;
+ ctx->sPlyInfo[ctx->uPly].iExtensionAmount = HALF_PLY;
+ }
+
+ ctx->sSearchFlags.fVerifyNullmove = TRUE;
+ ctx->sSearchFlags.uQsearchDepth = 0;
+ if (uNumLegalMoves == 1)
+ {
+ //
+ // Move 1, full a..b window
+ //
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ else
+ {
+ //
+ // Moves 2..N, minimal window search
+ //
+ ASSERT(x > 0);
+ ASSERT(uNumLegalMoves > 1);
+ iScore = -Search(ctx, -iAlpha - 1, -iAlpha, uNextDepth);
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ }
+ ctx->sSearchFlags.fVerifyNullmove = FALSE;
+ UnmakeMove(ctx, mv);
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ iBestScore = INVALID_SCORE;
+ goto end;
+ }
+#ifdef DEBUG
+ Trace("%2u. %-8s => node=%" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ ", predict=%d, actual=%d, ",
+ x + 1,
+ MoveToSan(mv, &ctx->sPosition),
+ u64StartingNodeCount,
+ ctx->sMoveStack.mvf[x].iValue,
+ iScore);
+ ASSERT(PositionsAreEquivalent(&pi->sPosition, &ctx->sPosition));
+#endif
+ //
+ // Keep track of how many moves are under each one we
+ // search and use this as the basis for root move ordering
+ // next iteration.
+ //
+ u64StartingNodeCount = (ctx->sCounters.tree.u64TotalNodeCount -
+ u64StartingNodeCount);
+ u64StartingNodeCount >>= 9;
+ u64StartingNodeCount &= (MAX_INT / 4);
+ ctx->sMoveStack.mvf[x].iValue =
+ (SCORE)(u64StartingNodeCount + iScore);
+#ifdef DEBUG
+ Trace("next_predict: %d\n", ctx->sMoveStack.mvf[x].iValue);
+ ASSERT(iBestScore <= iAlpha);
+ ASSERT(iAlpha < iBeta);
+#endif
+ if (iScore > iBestScore)
+ {
+ iBestScore = iScore;
+ pi->mvBest = mv;
+ if (iScore > iAlpha)
+ {
+ //
+ // We have a best move so far. As of now it is
+ // the one we'll be playing. Also make sure to
+ // search it first at the next depth.
+ //
+#ifdef DEBUG
+ Trace("Best so far... root score=%d.\n", iScore);
+#endif
+ ctx->mvRootMove = mv;
+ ctx->iRootScore = iScore;
+ ctx->uRootDepth = uDepth;
+ ctx->sMoveStack.mvf[x].iValue = MAX_INT;
+
+ //
+ // If there was a previous PV move then knock its
+ // score down so that it will be considered second
+ // on the next depth.
+ //
+ for (y = ctx->sMoveStack.uBegin[ctx->uPly];
+ y < x;
+ y++)
+ {
+ if (ctx->sMoveStack.mvf[y].iValue == MAX_INT)
+ {
+ ctx->sMoveStack.mvf[y].iValue /= 2;
+ }
+ }
+
+ UpdatePV(ctx, mv);
+ if (iScore >= iBeta)
+ {
+ //
+ // Root fail high...
+ //
+ UpdateDynamicMoveOrdering(ctx,
+ uDepth,
+ mv,
+ iScore,
+ x + 1);
+ UtilPrintPV(ctx, iAlpha, iBeta, iScore, mv);
+ KEEP_TRACK_OF_FIRST_MOVE_FHs(iBestScore == -INFINITY);
+ ctx->sMoveStack.mvf[x].bvFlags &= ~MVF_MOVE_SEARCHED;
+ goto end;
+ }
+ else
+ {
+ //
+ // Root PV change...
+ //
+ UtilPrintPV(ctx, iAlpha, iBeta, iScore, mv);
+ iAlpha = iScore;
+ }
+ }
+ }
+ g_MoveTimer.bvFlags &= ~TIMER_SEARCHING_FIRST_MOVE;
+ }
+ }
+
+ if (iAlpha == iInitialAlpha)
+ {
+ //
+ // Root fail low...
+ //
+ ASSERT(iBestScore <= iAlpha);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ UtilPrintPV(ctx, iAlpha, iBeta, iBestScore, mv);
+ }
+
+ end:
+ return(iBestScore);
+}
+
+
+
+static GAME_RESULT
+_DetectPreMoveTerminalStates(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG fInCheck,
+ MOVE *pmv) {
+ ULONG u;
+ MOVE mv;
+ MOVE mvLegal;
+ ULONG uNumLegal = 0;
+ GAME_RESULT ret;
+
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+ pmv->uMove = 0;
+
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++) {
+ mv = ctx->sMoveStack.mvf[u].mv;
+ if (MakeMove(ctx, mv)) {
+ mvLegal = mv;
+ uNumLegal += 1;
+ UnmakeMove(ctx, mv);
+ if (uNumLegal > 1) {
+ return ret;
+ }
+ }
+ }
+ if (uNumLegal == 1) {
+ *pmv = mvLegal;
+ return ret;
+ }
+ ASSERT(uNumLegal == 0);
+ if (TRUE == fInCheck) {
+ if (ctx->sPosition.uToMove == WHITE) {
+ ret.eResult = RESULT_BLACK_WON;
+ strcpy(ret.szDescription, "black checkmated white");
+ return ret;
+ }
+ ret.eResult = RESULT_WHITE_WON;
+ strcpy(ret.szDescription, "white checkmated black");
+ return ret;
+ }
+ ret.eResult = RESULT_DRAW;
+ sprintf(ret.szDescription, "%s stalemated %s",
+ (ctx->sPosition.uToMove == WHITE) ? "black" : "white",
+ (ctx->sPosition.uToMove == WHITE) ? "while" : "black");
+ return ret;
+}
+
+
+
+static GAME_RESULT
+_DetectPostMoveTerminalStates(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ This function is called by Iterate and MakeTheMove to declare
+ wins/losses/draws.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG
+
+**/
+{
+ GAME_RESULT ret;
+ FLAG fInCheck = InCheck(&ctx->sPosition, ctx->sPosition.uToMove);
+
+ // Did we just make the 50th+ move without progress?
+ if (ctx->sPosition.uFifty >= 100) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "fifty moves without progress");
+ return ret;
+ }
+ GenerateMoves(ctx, NULLMOVE, (fInCheck ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+
+ // Did we just repeat a position for the 3rd time?
+ if (IsLegalDrawByRepetition()) {
+ ret.eResult = RESULT_DRAW;
+ strcpy(ret.szDescription, "third repetition of position");
+ return ret;
+ }
+
+ // Otherwise look for checkmates and stalemates.
+ MOVE mvUnused;
+ return _DetectPreMoveTerminalStates(ctx,
+ fInCheck,
+ &mvUnused);
+}
+
+
+static void
+_IterateSetSearchGlobals(ULONG uDepth)
+{
+ ULONG u, v;
+ ULONG uDontSplitLessThan;
+
+ //
+ // Set some globals that will be used throughout this search.
+ //
+ g_uIterateDepth = uDepth;
+ ASSERT(g_uIterateDepth > 0);
+ ASSERT(g_uIterateDepth < MAX_PLY_PER_SEARCH);
+
+ //
+ // For use in scaling back extensions that are very far from
+ // the root.
+ //
+ // Iterate g_Soft g_Hard
+ // | | | | | | | | |
+ // 0 1 2 2.5 3 3.5 4 (x Iterate)
+ // |-------------------|----|----|---------|----...
+ // |full full full full|-1/4|-1/2|-3/4 -3/4|none...
+ //
+ g_uSoftExtendLimit = g_uIterateDepth * 2;
+ g_uHardExtendLimit = g_uIterateDepth * 4;
+ for (u = 0; u < MAX_PLY_PER_SEARCH; u++)
+ {
+ if (u < g_uSoftExtendLimit)
+ {
+ g_uExtensionReduction[u] = 0;
+ }
+ else if (u < (g_uSoftExtendLimit + g_uIterateDepth / 2))
+ {
+ g_uExtensionReduction[u] = QUARTER_PLY;
+ }
+ else if (u < (g_uSoftExtendLimit + g_uIterateDepth))
+ {
+ g_uExtensionReduction[u] = HALF_PLY;
+ }
+ else if (u < g_uHardExtendLimit)
+ {
+ g_uExtensionReduction[u] = THREE_QUARTERS_PLY;
+ }
+ else
+ {
+ g_uExtensionReduction[u] = 5 * ONE_PLY;
+ }
+ }
+
+ //
+ // Determine how much depth we need below a point in the tree in
+ // order to split the search (which is based on iteration depth).
+ //
+ uDontSplitLessThan = (ULONG)((double)(uDepth) * 0.30);
+ for (v = 0; v < MAX_PLY_PER_SEARCH; v++)
+ {
+ g_fCanSplit[v] = ((v + 1) >= uDontSplitLessThan);
+ }
+ g_fCanSplit[0] = FALSE;
+}
+
+
+#define SKIP_GRADUAL_OPENING 600
+#define INITIAL_HALF_WINDOW 75
+#define FIRST_FAIL_STEP 150
+#define SECOND_FAIL_STEP 375
+
+void
+_IterateWidenWindow(ULONG uColor,
+ SCORE iScore,
+ SCORE *piBound,
+ ULONG *puState,
+ int iDir)
+{
+ SCORE iRoughScore = g_iRootScore[uColor];
+ static SCORE _Steps[] =
+ {
+ FIRST_FAIL_STEP,
+ SECOND_FAIL_STEP,
+ INFINITY
+ };
+
+// Trace("State = %u.\n", *puState);
+// Trace("Bound from %d to ", *piBound);
+ if ((abs(iRoughScore - iScore) > SKIP_GRADUAL_OPENING) ||
+ (*puState == 2))
+ {
+ *piBound = iDir * INFINITY;
+ *puState = 2;
+ }
+ else
+ {
+ ASSERT(*puState < 2);
+ *piBound = iScore;
+ *piBound += iDir * _Steps[*puState];
+ *puState += 1;
+ }
+// Trace("%d.\n", *piBound);
+// Trace("State = %u\n", *puState);
+}
+
+
+GAME_RESULT Iterate(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Main iterative deepening loop for both thinking and pondering.
+ Call RootSearch with progressively deeper depths while there is
+ remaining time, we haven't found a forced mate, and there's no
+ user interruption.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG : is the game over?
+
+**/
+{
+ ULONG uNumRootFailLows = 0;
+ ULONG uDepth;
+ ULONG uFailState = 0;
+ ULONG uColor;
+ ULONG u;
+ SCORE iAlpha = -INFINITY;
+ SCORE iBeta = +INFINITY;
+ SCORE iScore;
+ FLAG fInCheck = InCheck(&(ctx->sPosition), ctx->sPosition.uToMove);
+ MOVE mv;
+ GAME_RESULT ret;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+ VerifyPositionConsistency(&board, FALSE);
+#endif
+
+ uColor = ctx->sPosition.uToMove;
+ g_iRootScore[uColor] = GetRoughEvalScore(ctx, iAlpha, iBeta, TRUE);
+ g_iRootScore[FLIP(uColor)] = -g_iRootScore[uColor];
+
+ //
+ // Generate moves here so that RootSearch doesn't have to.
+ //
+ ASSERT((ctx->uPly == 0) || (ctx->uPly == 1)); // 1 is under a ponder
+ ctx->sPlyInfo[ctx->uPly].fInCheck = fInCheck;
+ GenerateMoves(ctx, NULLMOVE, (fInCheck ? GENERATE_ESCAPES :
+ GENERATE_ALL_MOVES));
+ ASSERT(ctx->sMoveStack.uBegin[0] == 0);
+
+ //
+ // See if we are sitting at a checkmate or stalemate position; no
+ // sense searching if so.
+ //
+ ret = _DetectPreMoveTerminalStates(ctx,
+ fInCheck,
+ &mv);
+ if (ret.eResult != RESULT_IN_PROGRESS) {
+ goto end;
+ }
+
+ // Game still in progress but only one legal move available?
+ if (mv.uMove != 0) {
+ ctx->mvRootMove = mv;
+ ctx->iRootScore = 0;
+ ctx->uRootDepth = 0;
+ ctx->sPlyInfo[0].PV[0] = mv;
+ ctx->sPlyInfo[0].PV[1] = NULLMOVE;
+ strcpy(ctx->szLastPV, "only");
+ if (!g_Options.fPondering) {
+ Trace("ONLY MOVE --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ g_MoveTimer.bvFlags |= TIMER_CURRENT_OBVIOUS;
+ } else {
+ Trace("ONLY PONDER --> move immediately if prediction correct.\n");
+ g_MoveTimer.bvFlags |= TIMER_MOVE_IMMEDIATELY;
+ g_MoveTimer.bvFlags |= TIMER_CURRENT_OBVIOUS;
+ }
+ goto end;
+ }
+
+ for (uDepth = 1;
+ uDepth <= g_Options.uMaxDepth;
+ uDepth++)
+ {
+ //
+ // Re-rank the moves based on nodecounts and mark all moves as
+ // not yet searched at this depth.
+ //
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++)
+ {
+ ctx->sMoveStack.mvf[u].bvFlags &= ~MVF_MOVE_SEARCHED;
+ }
+
+ //
+ // Make sure a..b window makes sense and set some other per-depth
+ // globals used by the search.
+ //
+ _IterateSetSearchGlobals(uDepth);
+
+ //
+ // Try to get a PV for this depth before we're out of time...
+ //
+ do
+ {
+ if (iBeta > INFINITY) iBeta = +INFINITY;
+ if (iAlpha < -INFINITY) iAlpha = -INFINITY;
+ if (iAlpha >= iBeta) iAlpha = iBeta - 1;
+ iScore = RootSearch(ctx,
+ iAlpha,
+ iBeta,
+ uDepth * ONE_PLY + HALF_PLY);
+ if (g_MoveTimer.bvFlags & TIMER_STOPPING) break;
+ mv = ctx->mvRootMove;
+
+ //
+ // Got a PV, we're done with this depth.
+ //
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ ASSERT(iScore == ctx->iRootScore);
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(&ctx->sPosition, mv));
+ iAlpha = iScore - INITIAL_HALF_WINDOW;
+ iBeta = iScore + INITIAL_HALF_WINDOW;
+ g_iRootScore[uColor] = iScore;
+ g_iRootScore[FLIP(uColor)] = -iScore;
+ g_MoveTimer.bvFlags &= ~TIMER_RESOLVING_ROOT_FH;
+ g_MoveTimer.bvFlags &= ~TIMER_RESOLVING_ROOT_FL;
+ uFailState = 0;
+ (void)CheckTestSuiteMove(mv, iScore, uDepth);
+ break;
+ }
+
+ //
+ // Root fail low? We'll have to research with a wider
+ // window.
+ //
+ else if (iScore <= iAlpha)
+ {
+ ASSERT(ctx->mvRootMove.uMove);
+ g_MoveTimer.bvFlags |= TIMER_RESOLVING_ROOT_FL;
+ uNumRootFailLows++;
+ if (uNumRootFailLows > 3)
+ {
+ g_MoveTimer.bvFlags |= TIMER_MANY_ROOT_FLS;
+ }
+ _IterateWidenWindow(uColor, iScore, &iAlpha, &uFailState, -1);
+
+ //
+ // Consider all moves again with wider window...
+ //
+ for (u = ctx->sMoveStack.uBegin[ctx->uPly];
+ u < ctx->sMoveStack.uEnd[ctx->uPly];
+ u++)
+ {
+ ctx->sMoveStack.mvf[u].bvFlags &= ~MVF_MOVE_SEARCHED;
+ }
+ }
+
+ //
+ // Must be a root fail high.
+ //
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(&ctx->sPosition, mv));
+ g_MoveTimer.bvFlags |= TIMER_RESOLVING_ROOT_FH;
+ _IterateWidenWindow(uColor, iScore, &iBeta, &uFailState, +1);
+ }
+ }
+ while(1); // repeat until we run out of time or fall inside a..b
+
+ //
+ // We are here because either:
+ //
+ // 1. we completed a search depth,
+ // or 2. we ran out of time,
+ // or 3. there is one legal move and we want to make it immediately,
+ // or 4. there was user input and we unrolled the search.
+ //
+
+ //
+ // TODO: Scale back history between iterative depths?
+ //
+
+ //
+ // Mate-in-n when we have searched n? Stop searching.
+ //
+ if (IS_VALID_SCORE(iScore) &&
+ (ULONG)abs(iScore) >= (INFINITY - uDepth))
+ {
+ Trace("FORCED MATE --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ }
+
+ //
+ // Have we reached user's maxdepth option? Stop searching.
+ //
+ if (uDepth >= g_Options.uMaxDepth)
+ {
+ Trace("DEPTH LIMIT --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ }
+
+ //
+ // Did the move timer expire? Stop searching.
+ //
+ if (g_MoveTimer.bvFlags & TIMER_STOPPING) break;
+ }
+ g_Options.u64NodesSearched = ctx->sCounters.tree.u64TotalNodeCount;
+ g_MoveTimer.dEndTime = SystemTimeStamp();
+
+ //
+ // Here we are at the end of a search. If we were:
+ //
+ // ...Searching then: ...Pondering then:
+ //
+ // 1. we ran out of time 1. they made a different move than
+ // the predicted move and we aborted
+ // 2. we ran out of depth
+ // 2. we ran out of depth
+ // 3. we found a mate-in-n
+ // 3. we found a mate-in-n
+ // TODO: node count limit?
+ // (4. if they made the predicted move
+ // then we converted to a search)
+ //
+ ASSERT(ctx->mvRootMove.uMove);
+ ASSERT(SanityCheckMove(&board, ctx->mvRootMove));
+ if (g_MoveTimer.bvFlags & TIMER_RESOLVING_ROOT_FL)
+ {
+ ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly] = ctx->mvRootMove;
+ ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly+1] = NULLMOVE;
+ }
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+ end:
+ return ret;
+}
+
+void
+MakeTheMove(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Make the move that search selected in the official game list.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ FLAG
+
+**/
+{
+ MOVE mv = ctx->mvRootMove;
+ ASSERT(mv.uMove);
+
+ if (TRUE == g_Options.fThinking)
+ {
+ //
+ // TODO: keep track of how many moves in a row we are at or
+ // below a draw score and use this to respond to draw offers.
+ //
+
+ //
+ // Was this a search that converted from a ponder?
+ //
+ if (TRUE == g_Options.fSuccessfulPonder)
+ {
+ if (FALSE == OfficiallyMakeMove(g_Options.mvPonder, 0, FALSE))
+ {
+ UtilPanic(CANNOT_OFFICIALLY_MAKE_MOVE,
+ GetRootPosition(),
+ (void *)g_Options.mvPonder.uMove,
+ NULL,
+ NULL,
+ __FILE__,
+ __LINE__);
+ }
+ g_Options.fSuccessfulPonder = FALSE;
+ }
+
+ //
+ // Tell the server about our move and actually play it on the
+ // root board.
+ //
+ Trace("move %s\n", MoveToSan(mv, &ctx->sPosition));
+ if (FALSE == OfficiallyMakeMove(mv, g_iScore, FALSE))
+ {
+ UtilPanic(CANNOT_OFFICIALLY_MAKE_MOVE,
+ GetRootPosition(),
+ (void *)mv.uMove,
+ NULL,
+ NULL,
+ __FILE__,
+ __LINE__);
+ }
+ if (g_Options.fVerbosePosting)
+ {
+ PostMoveSearchReport(ctx);
+ PostMoveTestSuiteReport(ctx);
+ }
+ }
+ g_Options.fPondering = g_Options.fThinking = FALSE;
+}
+
+
+GAME_RESULT
+Ponder(POSITION *pos)
+/**
+
+Routine description:
+
+ Prepare to ponder.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static SEARCHER_THREAD_CONTEXT ctx;
+ GAME_RESULT ret;
+
+ InitializeSearcherContext(pos, &ctx);
+ g_Options.fPondering = TRUE;
+ g_Options.fThinking = FALSE;
+ g_Options.fSuccessfulPonder = FALSE;
+ ret.eResult = RESULT_IN_PROGRESS;
+ ret.szDescription[0] = '\0';
+
+ //
+ // When do we not want to ponder
+ //
+ if ((g_Options.ePlayMode == FORCE_MODE) || (g_Options.uMyClock < 10))
+ {
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+
+ //
+ // What should we ponder?
+ //
+ g_Options.mvPonder = GetPonderMove(pos);
+ if (g_Options.mvPonder.uMove == 0)
+ {
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+ ASSERT(SanityCheckMove(pos, g_Options.mvPonder));
+
+ //
+ // Prepare to ponder by doing some maintenance on the dynamic move
+ // ordering scheme counters, changing the dirty tag in the hash
+ // code, and clearing the root nodes-per-move hash.
+ //
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ //
+ // Make the move ponder move.
+ //
+ if (FALSE == MakeMove(&ctx, g_Options.mvPonder))
+ {
+ ASSERT(FALSE);
+ g_Options.fPondering = FALSE;
+ return ret;
+ }
+
+ //
+ // TODO: probe the book
+ //
+
+ _SetMoveTimerForPonder();
+
+ //
+ // TODO: Any preEval?
+ //
+
+ //
+ // TODO: Set draw value
+ //
+
+ MakeStatusLine();
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ ASSERT(ctx.uPly == 1);
+ ret = Iterate(&ctx);
+ ASSERT(ctx.uPly == 1);
+ if (ret.eResult == RESULT_IN_PROGRESS) {
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ } else {
+ return ret;
+ }
+}
+
+
+GAME_RESULT Think(POSITION *pos)
+/**
+
+Routine description:
+
+ Prepare to think.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ FLAG
+
+**/
+{
+ static SEARCHER_THREAD_CONTEXT ctx;
+ MOVE mvBook;
+ CHAR *p;
+
+ InitializeSearcherContext(pos, &ctx);
+ g_MoveTimer.bvFlags = 0;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ g_Options.fSuccessfulPonder = FALSE;
+
+ //
+ // Prepare to think by doing some maintenance on the dynamic move
+ // ordering scheme counters, changing the dirty tag in the hash
+ // code, and clearing the root nodes-per-move hash.
+ //
+ if (NULL != (p = PositionToFen(&(ctx.sPosition))))
+ {
+ Trace("The root position is: %s\n", p);
+ SystemFreeMemory(p);
+ }
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ //
+ // Check the opening book, maybe it has a move for us.
+ //
+ if ((g_uBookProbeFailures < 3) && (!WeAreRunningASuite()))
+ {
+ mvBook = BookMove(pos, BOOKMOVE_SELECT_MOVE);
+ if (mvBook.uMove == 0)
+ {
+ g_uBookProbeFailures++;
+ }
+ else
+ {
+ g_uBookProbeFailures = 0;
+ ASSERT(SanityCheckMove(pos, mvBook));
+ ctx.mvRootMove = mvBook;
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ }
+ }
+
+ //
+ // TODO: Any preEval?
+ //
+
+ //
+ // Set time limit for move
+ //
+ SetMoveTimerForSearch(FALSE, pos->uToMove);
+
+ //
+ // TODO: Set draw value
+ //
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ GAME_RESULT ret = Iterate(&ctx);
+ if (ret.eResult == RESULT_IN_PROGRESS) {
+ MakeTheMove(&ctx);
+ return _DetectPostMoveTerminalStates(&ctx);
+ } else {
+ return ret;
+ }
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ util.c
+
+Abstract:
+
+ General purpose utility code to support the engine.
+
+Author:
+
+
+Revision History:
+
+ $Id: util.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uIterateDepth;
+extern ULONG g_uFullWidthDepth;
+
+#define STATE_UNKNOWN (0)
+#define STATE_HEADER (1)
+#define STATE_MOVELIST (2)
+
+CHAR *
+ReadNextGameFromPgnFile(FILE *pf)
+/**
+
+Routine description:
+
+ Reads the next game in a PGN file and returns a pointer to it.
+
+Parameters:
+
+ FILE *pf : open file pointer
+
+Return value:
+
+ CHAR * : NULL on error, else caller must free via SystemFreeMemory.
+
+**/
+{
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ CHAR *p;
+ long lStartOfGame = -1;
+ long lEndOfGame = -1;
+ long lBefore;
+ ULONG uBytes;
+ ULONG uState = STATE_UNKNOWN;
+
+ while(1)
+ {
+ lBefore = ftell(pf);
+ if (fgets(buf, ARRAY_LENGTH(buf), pf) <= 0)
+ {
+ //Trace("fgets failed, errno=%u.\n", errno);
+ break;
+ }
+
+ //
+ // Skip leading whitespace on this line...
+ //
+ p = buf;
+ while(*p && isspace(*p)) p++;
+
+ if (*p == '\0')
+ {
+ //
+ // We just read a blank line
+ //
+ switch(uState)
+ {
+ case STATE_UNKNOWN:
+ break;
+
+ case STATE_HEADER:
+ uState = STATE_MOVELIST;
+ break;
+
+ case STATE_MOVELIST:
+ lEndOfGame = lBefore;
+ uBytes = lEndOfGame - lStartOfGame;
+ if (uBytes <= 0)
+ {
+ return(NULL);
+ }
+
+ p = SystemAllocateMemory(uBytes + 1);
+ ASSERT(p);
+ fseek(pf, lStartOfGame, SEEK_SET);
+ if (1 != fread(p, uBytes, 1, pf))
+ {
+ SystemFreeMemory(p);
+ return(NULL);
+ }
+ p[uBytes] = '\0';
+ return(p);
+ }
+ }
+ else
+ {
+ //
+ // We saw a non-blank line
+ //
+ switch(uState)
+ {
+ case STATE_HEADER:
+ case STATE_MOVELIST:
+ break;
+
+ case STATE_UNKNOWN:
+ if (*p == '[')
+ {
+ uState = STATE_HEADER;
+ lStartOfGame = lBefore;
+ }
+ break;
+ }
+ }
+ }
+ return(NULL);
+}
+
+
+COMMAND(LearnPsqtFromPgn)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CHAR *szFilename;
+ ULONG uPSQT[12][128];
+ CHAR *pPGN;
+ FILE *pf = NULL;
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+ ULONG x, y, z;
+ double d;
+ struct stat s;
+#ifdef DEBUG
+ ULONG uHeap;
+#endif
+
+ if (argc < 2)
+ {
+ Trace("Error (missing filename)\n");
+ return;
+ }
+ szFilename = argv[1];
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("LearnPsqtFromPgn: file \"%s\" doesn't exist.\n",
+ szFilename);
+ return;
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("Stat failed.\n");
+ return;
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("LearnPsqtFromPgn: error reading file \"%s\".\n",
+ szFilename);
+ return;
+ }
+
+ memset(uPSQT, 0, sizeof(uPSQT));
+#ifdef DEBUG
+ ResetGameList();
+ uHeap = GetHeapMemoryUsage();
+#endif
+ while((pPGN = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ d = (double)ftell(pf);
+ d /= (double)s.st_size;
+ d *= 100.0;
+ printf("(%5.2f%% done)\r", d);
+
+ if (TRUE == LoadPgn(pPGN))
+ {
+ p = g_GameData.sMoveList.pFlink;
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if ((q->uNumber > 10) &&
+ (q->uNumber < 50) &&
+ (!q->mv.pCaptured))
+ {
+ uPSQT[q->mv.pMoved - 2][q->mv.cTo] += 1;
+ }
+ p = p->pFlink;
+ }
+ }
+ SystemFreeMemory(pPGN);
+#ifdef DEBUG
+ ResetGameList();
+ ASSERT(uHeap == GetHeapMemoryUsage());
+#endif
+ }
+ fclose(pf);
+
+ z = 0;
+ for (x = 0; x < 12; x++)
+ {
+ for (y = 0; y < 128; y++)
+ {
+ if (uPSQT[x][y] > z)
+ {
+ z = uPSQT[x][y];
+ }
+ }
+ }
+
+ Trace("ULONG g_PSQT[12][128] = {\n");
+ for (x = 0; x < 12; x++)
+ {
+ Trace("// Piece 0x%x (%s)\n", x + 2, PieceAbbrev((PIECE)(x + 2)));
+ Trace("{\n");
+
+ for (y = 0; y < 128; y++)
+ {
+ if (y % 16 == 0) Trace("\n");
+ d = (double)uPSQT[x][y];
+ d /= (double)z;
+ d *= (double)1000.0;
+ Trace("%4u,", (ULONG)d);
+ }
+ Trace("},\n");
+ }
+ Trace("};\n");
+}
+
+
+COMMAND(GeneratePositionAndBestMoveSuite)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CHAR *szFilename;
+ CHAR *pPGN;
+ FILE *pf = NULL;
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+ SEARCHER_THREAD_CONTEXT *ctx = NULL;
+ FLAG fPost = g_Options.fShouldPost;
+ struct stat s;
+ double d;
+ POSITION board;
+
+ if (argc < 2)
+ {
+ Trace("Error (missing filename)\n");
+ goto end;
+ }
+ szFilename = argv[1];
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("LearnPsqtFromPgn: file \"%s\" doesn't exist.\n",
+ szFilename);
+ goto end;
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("Stat failed.\n");
+ goto end;
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("LearnPsqtFromPgn: error reading file \"%s\".\n",
+ szFilename);
+ goto end;
+ }
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ if (NULL == ctx)
+ {
+ Trace("Out of memory.\n");
+ goto end;
+ }
+
+ g_Options.fShouldPost = FALSE;
+ while((pPGN = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ d = (double)ftell(pf);
+ d /= (double)s.st_size;
+ d *= 100.0;
+ printf("(%5.2f%% done)\r", d);
+
+ if (TRUE == LoadPgn(pPGN))
+ {
+ p = g_GameData.sMoveList.pFlink;
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if ((q->uNumber > 20) && (q->uNumber < 60))
+ {
+ if (FenToPosition(&board, q->szUndoPositionFen))
+ {
+ InitializeSearcherContext(&board, ctx);
+ g_MoveTimer.bvFlags = 0;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ g_Options.fSuccessfulPonder = FALSE;
+
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ g_MoveTimer.uNodeCheckMask = 0x1000 - 1;
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.bvFlags = 0;
+ g_MoveTimer.dSoftTimeLimit =
+ g_MoveTimer.dStartTime + 3.0;
+ g_MoveTimer.dHardTimeLimit =
+ g_MoveTimer.dStartTime + 3.0;
+ g_Options.uMaxDepth = MAX_DEPTH_PER_SEARCH - 1;
+
+ //
+ // TODO: Set draw value
+ //
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ GAME_RESULT result = Iterate(ctx);
+ if (result.eResult == RESULT_IN_PROGRESS) {
+ ASSERT(SanityCheckMove(&board,
+ ctx->sPlyInfo[0].PV[0]));
+ Trace("setboard %s\n", q->szUndoPositionFen);
+ Trace("gmmove %s\n", q->szMoveInSan);
+ Trace("solution %s\n",
+ MoveToSan(ctx->sPlyInfo[0].PV[0], &board));
+ }
+ }
+ }
+ p = p->pFlink;
+ }
+ }
+ SystemFreeMemory(pPGN);
+ }
+
+ end:
+ if (NULL != pf)
+ {
+ fclose(pf);
+ }
+
+ if (NULL != ctx)
+ {
+ SystemFreeMemory(ctx);
+ }
+
+ g_Options.fShouldPost = fPost;
+}
+
+
+char *
+FindChunk(char *sz, ULONG uTargetChunk)
+/**
+
+Routine description:
+
+ A support routine used by FenToPosition. Used to parse apart a
+ string and return the Nth chunk of text (delimited by whitespace)
+
+Parameters:
+
+ char *sz,
+ ULONG uTargetChunk
+
+Return value:
+
+ char *
+
+**/
+{
+ char *p = sz;
+ ULONG u = 0;
+
+ if (0 == uTargetChunk) return(p);
+
+ do
+ {
+ //
+ // Skip whitespace between chunks
+ //
+ while(isspace(*p) && *p) p++;
+ if (!*p) return(NULL);
+
+ u++;
+ if (u == uTargetChunk) return(p);
+
+ //
+ // Skip chunks
+ //
+ while(!isspace(*p) && &p) p++;
+ if (!*p) return(NULL);
+ }
+ while(1);
+
+#ifdef DEBUG
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+#endif
+ return(NULL);
+}
+
+
+
+CHAR *
+ScoreToString(SCORE iScore)
+/**
+
+Routine description:
+
+ Format a chess score as a string that looks like:
+
+ +0.100
+ -4.951
+ +MATE20
+ -MATE4
+ +0.000
+
+ etc...
+
+ Note: NOT thread safe.
+
+Parameters:
+
+ SCORE iScore
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static char szBuf[10];
+ ULONG uDist;
+
+ if (abs(iScore) < +NMATE)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf),
+ "%c%u.%02u",
+ (iScore < 0) ? '-' : '+',
+ abs(iScore / 100),
+ abs(iScore % 100));
+ return(szBuf);
+ }
+
+ if (iScore > 0)
+ {
+ uDist = +INFINITY - iScore;
+ uDist /= 2;
+ if (uDist)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "+MATE%u", uDist);
+ }
+ else
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "+MATE");
+ }
+ }
+ else
+ {
+ uDist = +INFINITY + iScore;
+ uDist /= 2;
+ if (uDist)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "-MATE%u", uDist);
+ }
+ else
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "-MATE");
+ }
+ }
+ return(szBuf);
+}
+
+
+
+CHAR *
+CoorToString(COOR c)
+/**
+
+Routine description:
+
+ Take a chessboard coordinate and convert it into a string. Note:
+ NOT thread safe.
+
+Parameters:
+
+ COOR c
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static char buf[3];
+
+ if (IS_ON_BOARD(c))
+ {
+ buf[0] = 'a' + FILE(c);
+ buf[1] = '0' + RANK(c);
+ buf[2] = '\0';
+ }
+ else
+ {
+ buf[0] = '-';
+ buf[1] = '\0';
+ }
+ return(buf);
+}
+
+
+CHAR *
+ColorToString(ULONG u)
+/**
+
+Routine description:
+
+ Convert a color into a string ("WHITE" or "BLACK"). Callers
+ should not mess with the contents of the buffer returned!
+
+Parameters:
+
+ ULONG u
+
+Return value:
+
+ char
+
+**/
+{
+ static CHAR *szColor[2] =
+ {
+ "BLACK",
+ "WHITE"
+ };
+ ASSERT(IS_VALID_COLOR(u));
+ return(szColor[u]);
+}
+
+
+CHAR *
+TimeToString(double d)
+/**
+
+Routine description:
+
+ Convert a time value into a string. e.g.
+
+ 00:00:01.021 // seconds with ms
+ 00:15:21.998 // minutes+seconds
+ 01:59:23.232 // hours+minutes+sec
+ 27:08:11:103 // we don't do days
+
+ Note: NOT thread safe. The caller should not mess with the
+ buffer returned.
+
+Parameters:
+
+ double d
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ ULONG uTotalSecs = (ULONG)d;
+ double dFract = d - (double)uTotalSecs;
+ ULONG uHours;
+ ULONG uMinutes;
+ ULONG uFract;
+ static char buf[13];
+
+ dFract *= 1000;
+ uFract = (int)dFract;
+ uHours = uTotalSecs / 60 / 60;
+ uTotalSecs -= uHours * 60 * 60;
+ uMinutes = uTotalSecs / 60;
+ uTotalSecs -= uMinutes * 60;
+ ASSERT(uTotalSecs < 60);
+
+ if (uHours != 0)
+ {
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%2u:%02u:%02u.%03u",
+ uHours, uMinutes, uTotalSecs, uFract);
+ }
+ else
+ {
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%02u:%02u.%03u",
+ uMinutes, uTotalSecs, uFract);
+ }
+ return(buf);
+}
+
+
+FLAG
+BufferIsZeroed(BYTE *p, ULONG u)
+/**
+
+Routine description:
+
+ Verify that a buffer is zeroed out.
+
+Parameters:
+
+ BYTE *p : buffer start
+ ULONG u : buffer length
+
+Return value:
+
+ FLAG
+
+**/
+{
+ while(u)
+ {
+ if (*p != (BYTE)0)
+ {
+ return(FALSE);
+ }
+ p++;
+ u--;
+ }
+ return(TRUE);
+}
+
+
+void CDECL
+Trace(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace a logging message on stdout and to the logfile
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send to logfile
+ //
+ if (NULL != g_pfLogfile)
+ {
+ fprintf(g_pfLogfile, buf);
+ }
+
+ //
+ // Send to stdout
+ //
+ fprintf(stdout, buf);
+ fflush(stdout);
+}
+
+
+void CDECL
+Log(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace a logging message to the logfile only
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send to logfile
+ //
+ if (NULL != g_pfLogfile)
+ {
+ fprintf(g_pfLogfile, buf);
+ }
+}
+
+
+void CDECL
+Bug(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace an error message to stderr and the logfile
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send it to logfile
+ //
+ if (NULL != g_pfLogfile)
+ {
+ fprintf(g_pfLogfile, buf);
+ fflush(g_pfLogfile);
+ }
+
+ //
+ // Send it to stderr
+ //
+ fprintf(stderr, buf);
+ fflush(stderr);
+}
+
+
+#ifdef DEBUG
+void
+_assert(CHAR *szFile, ULONG uLine)
+/**
+
+Routine description:
+
+ An assertion handler
+
+Parameters:
+
+ CHAR *szFile,
+ UINT uLine
+
+Return value:
+
+ void
+
+**/
+{
+ Bug("Assertion failure in %s, line %u.\n", szFile, uLine);
+ BREAKPOINT;
+}
+#endif
+
+
+ULONG
+AcquireSpinLock(volatile ULONG *pSpinlock)
+/**
+
+Routine description:
+
+ Atomically acquire a lock or spin trying.
+
+Parameters:
+
+ ULONG *pSpinlock : a pointer to the lock
+
+Return value:
+
+ ULONG : the number of times we had to spin
+
+**/
+{
+ ULONG uLoops = 0;
+ while(0 != LockCompareExchange(pSpinlock, 1, 0))
+ {
+ uLoops++;
+ }
+ ASSERT(*pSpinlock == 1);
+ return(uLoops);
+}
+
+FLAG
+TryAcquireSpinLock(volatile ULONG *pSpinlock)
+{
+ return(0 != LockCompareExchange(pSpinlock, 1, 0));
+}
+
+void
+ReleaseSpinLock(volatile ULONG *pSpinlock)
+/**
+
+Routine description:
+
+ Release a lock so someone else can acquire it.
+
+Parameters:
+
+ ULONG *pSpinlock : a pointer to the lock
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ ASSERT(*pSpinlock == 1);
+ u = LockCompareExchange(pSpinlock, 0, 1);
+ ASSERT(u == 1);
+}
+
+
+FLAG
+BackupFile(CHAR *szFile)
+/**
+
+Routine description:
+
+ Backup a file to file.000. If file.000 already exists, back it up
+ to file.001 etc...
+
+ Note: this function is recursive and can require quite a lot of
+ stack space. Also it is full of race conditions and should not be
+ used when some other code may be accessing the filesystem at the
+ same time.
+
+Parameters:
+
+ CHAR *szFile : the file to backup
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG u;
+ CHAR buf[SMALL_STRING_LEN_CHAR];
+ CHAR *p;
+
+ if (TRUE == SystemDoesFileExist(szFile))
+ {
+ if ((strlen(szFile) > 3) &&
+ (isdigit(szFile[0])) &&
+ (isdigit(szFile[1])) &&
+ (isdigit(szFile[2])))
+ {
+ u = (szFile[0] - '0') * 100;
+ u += (szFile[1] - '0') * 10;
+ u += szFile[2] - '0' + 1;
+ p = &(szFile[3]);
+ }
+ else
+ {
+ u = 0;
+ p = szFile;
+ }
+ snprintf(buf, ARRAY_LENGTH(buf), "%03u%s", u, p);
+ if (TRUE == SystemDoesFileExist(buf))
+ {
+ BackupFile(buf);
+ }
+ return(SystemCopyFile(szFile, buf) && SystemDeleteFile(szFile));
+ }
+ return(FALSE);
+}
+
+
+BYTE
+Checksum(BYTE *p, ULONG uSize)
+/**
+
+Routine description:
+
+ Compute the checksum of a buffer.
+
+Parameters:
+
+ BYTE *p,
+ ULONG uSize
+
+Return value:
+
+ BYTE
+
+**/
+{
+ BYTE b = 0;
+ while(uSize)
+ {
+ b ^= *p;
+ p++;
+ uSize--;
+ }
+ return(b);
+}
+
+void
+FinishPVTailFromHash(SEARCHER_THREAD_CONTEXT *ctx,
+ CHAR *buf,
+ ULONG uLenRemain)
+{
+ MOVE PV[MAX_PLY_PER_SEARCH];
+ MOVE mv;
+ ULONG uPly = ctx->uPly;
+ ULONG uLen;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+
+ if (NULL == g_pHashTable) return;
+ do
+ {
+ mv = GetPonderMove(&ctx->sPosition);
+ if (mv.uMove == 0) break;
+ PV[ctx->uPly] = mv;
+
+ uLen = (ULONG)strlen(MoveToSan(mv, &ctx->sPosition)) + 1;
+ ASSERT(uLen <= 11);
+ if (uLenRemain <= uLen) break;
+ strcat(buf, MoveToSan(PV[ctx->uPly], &ctx->sPosition));
+ strcat(buf, " ");
+ uLenRemain -= uLen;
+
+ if (FALSE == MakeMove(ctx, mv)) break;
+ }
+ while(1);
+
+ //
+ // Unmake the moves
+ //
+ while(ctx->uPly > uPly)
+ {
+ UnmakeMove(ctx, PV[ctx->uPly - 1]);
+ }
+ ASSERT(ctx->uPly == uPly);
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+}
+
+
+
+char *
+WalkPV(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Return a string buffer representing the principle variation.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static CHAR buf[SMALL_STRING_LEN_CHAR];
+ ULONG u = ctx->uPly;
+ ULONG v = u;
+ MOVE mv;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+
+ buf[0] = '\0';
+ while((mv.uMove = ctx->sPlyInfo[v].PV[u].uMove) != 0)
+ {
+ if (mv.uMove == HASHMOVE.uMove)
+ {
+ strncat(buf, "<TT> ", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ FinishPVTailFromHash(ctx, buf, ARRAY_LENGTH(buf) - strlen(buf));
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else if (mv.uMove == RECOGNMOVE.uMove)
+ {
+ strncat(buf, "<REC>", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else if (mv.uMove == DRAWMOVE.uMove)
+ {
+ strncat(buf, "<=>", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else
+ {
+ strncat(buf, MoveToSan(mv, &ctx->sPosition),
+ ARRAY_LENGTH(buf) - strlen(buf));
+ strncat(buf, " ", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ }
+
+ if (FALSE == MakeMove(ctx, mv)) break;
+ u++;
+
+ if (strlen(buf) > (SMALL_STRING_LEN_CHAR - 10)) break;
+ }
+
+ //
+ // Unmake the moves
+ //
+ u--;
+ while(ctx->uPly > v)
+ {
+ UnmakeMove(ctx, ctx->sPlyInfo[v].PV[u]);
+ u--;
+ }
+ ASSERT(ctx->uPly == v);
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+ return(buf);
+}
+
+
+void
+UtilPanic(ULONG uPanicCode,
+ POSITION *pos,
+ void *arg1, void *arg2, void *arg3,
+ char *szFile, ULONG uLine)
+{
+ Bug("Typhoon PANIC 0x%x (%p, %p, %p, %p)\n"
+ "Location: %s at line %u\n\n",
+ uPanicCode, pos, arg1, arg2, arg3, szFile, uLine);
+ Banner();
+ Bug("----------------------------------------------------------------\n");
+ switch(uPanicCode) {
+ case CANNOT_INITIALIZE_SPLIT:
+ case GOT_ILLEGAL_MOVE_WHILE_PONDERING:
+ case CANNOT_OFFICIALLY_MAKE_MOVE:
+ DumpPosition(pos);
+ DumpMove((ULONG)arg1);
+ break;
+ case INITIALIZATION_FAILURE:
+ Bug("%s\n", (char *)arg1);
+ break;
+ default:
+ break;
+ }
+ fflush(stdout);
+ fflush(g_pfLogfile);
+ BREAKPOINT;
+ exit(-1);
+}
+
+void
+UtilPrintPV(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv)
+/**
+
+Routine description:
+
+ Print a PV out to stdout and the log.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv
+
+Return value:
+
+ void
+
+**/
+{
+ double dNow = SystemTimeStamp();
+
+ ASSERT(ctx->uThreadNumber == 0);
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(IS_VALID_SCORE(iScore));
+
+ dNow -= g_MoveTimer.dStartTime;
+
+ //
+ // Set the last PV in the context if we have a root PV or a root
+ // fail high.
+ //
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ strncpy(ctx->szLastPV, WalkPV(ctx), SMALL_STRING_LEN_CHAR);
+ }
+ else if (iScore > iBeta)
+ {
+ strncpy(ctx->szLastPV, MoveToSan(mv, &(ctx->sPosition)),
+ SMALL_STRING_LEN_CHAR);
+ }
+
+ if ((TRUE == g_Options.fThinking) && (TRUE == g_Options.fShouldPost))
+ {
+ //
+ // Maybe output the PV. Note: xboard gets confused by PV
+ // lines that don't match its requirements exactly; if we are
+ // running under xboard, match its expected format. Otherwise
+ // be more helpful / verbose.
+ //
+ if ((dNow > 0.35) || ((dNow > 0.15) && (g_Options.fVerbosePosting)))
+ {
+ if (TRUE == g_Options.fRunningUnderXboard)
+ {
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ else if (iScore <= iAlpha)
+ {
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" FL --\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount);
+ }
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s ++\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ }
+ else // !running under xboard
+ {
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ Trace("%2u %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ else if (iScore <= iAlpha)
+ {
+ Trace("%2u- %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" FL --\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount);
+ }
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ Trace("%2u+ %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s ++\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ }
+ }
+ }
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ vars.c
+
+Abstract:
+
+ This is code that implements variables in the engine. Some of
+ these variables are read only but others can be set by the engine
+ user to affect certain aspects of engine operation.
+
+Author:
+
+
+Revision History:
+
+ $Id: vars.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uNumInputEvents;
+
+typedef void(PUSERVARFUN)(void);
+
+//
+// Here's how we expose engine variables to the user.
+//
+typedef struct _USER_VARIABLE
+{
+ char *szName; // variable name
+ char *szType; // variable type:
+ // * - char *, strdup/free
+ // H - hash size
+ // B - boolean
+ // U - unsigned
+ // I - int
+ // M - move
+ // D - double
+ // S - string buffer
+ void *pValue; // pointer to value
+ PUSERVARFUN *pFunction; // funct to call when it changes
+} USER_VARIABLE;
+
+extern ULONG g_uBookProbeFailures;
+
+USER_VARIABLE g_UserVarList[] =
+{
+ { "AnnounceOpening",
+ "B",
+ (void *)&(g_Options.fShouldAnnounceOpening),
+ NULL },
+ { "BatchMode",
+ "b",
+ (void *)&(g_Options.fNoInputThread),
+ NULL },
+ { "BlackPlayer",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].szName),
+ NULL },
+ { "BlackRating",
+ "U",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].uRating),
+ NULL },
+ { "BlackDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].szDescription),
+ NULL },
+ { "BlackIsComputer",
+ "B",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].fIsComputer),
+ NULL },
+ { "BookFileName",
+ "S",
+ (void *)&(g_Options.szBookName),
+ NULL },
+ { "BookProbeFailures",
+ "u",
+ (void *)&(g_uBookProbeFailures),
+ NULL },
+ { "ComputerTimeRemainingSec",
+ "U",
+ (void *)&(g_Options.uOpponentsClock),
+ NULL }, //&DoVerifyClocks },
+ { "EGTBPath",
+ "S",
+ (void *)&(g_Options.szEGTBPath),
+ InitializeEGTB },
+ { "FastScript",
+ "B",
+ (void *)&(g_Options.fFastScript),
+ NULL },
+ { "GameDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.szGameDescription),
+ NULL },
+ { "GameLocation",
+ "*",
+ (void *)&(g_GameData.sHeader.szLocation),
+ NULL },
+ { "GameIsRated",
+ "B",
+ (void *)&(g_GameData.sHeader.fGameIsRated),
+ NULL },
+ { "GameResultComment",
+ "*",
+ (void *)&(g_GameData.sHeader.szResultComment),
+ NULL },
+ { "LastEval",
+ "I",
+ (void *)&(g_Options.iLastEvalScore),
+ NULL },
+ { "LogfileName",
+ "S",
+ (void *)&(g_Options.szLogfile),
+ NULL },
+ { "MoveToPonder",
+ "m",
+ (void *)&(g_Options.mvPonder),
+ NULL },
+ { "MovesPerTimePeriod",
+ "U",
+ (void *)&(g_Options.uMovesPerTimePeriod),
+ NULL },
+ { "OpponentTimeRemainingSec",
+ "U",
+ (void *)&(g_Options.uMyClock),
+ NULL }, //&DoVerifyClocks },
+ { "PendingInputEvents",
+ "u",
+ (void *)&(g_uNumInputEvents),
+ NULL },
+ { "PonderingNow",
+ "b",
+ (void *)&(g_Options.fPondering),
+ NULL },
+ { "PostLines",
+ "B",
+ (void *)&(g_Options.fShouldPost),
+ NULL },
+ { "Resign",
+ "B",
+ (void *)&(g_Options.fShouldResign),
+ NULL },
+ { "SearchDepthLimit",
+ "U",
+ (void *)&(g_Options.uMaxDepth),
+ NULL }, //&DoVerifySearchDepth },
+ { "SearchTimeLimit",
+ "U",
+ (void *)&(g_Options.uMyIncrement),
+ NULL }, //&DoVerifySearchTime },
+ { "SearchStartedTime",
+ "d",
+ (void *)&(g_MoveTimer.dStartTime),
+ NULL },
+ { "SearchSoftTimeLimit",
+ "d",
+ (void *)&(g_MoveTimer.dSoftTimeLimit),
+ NULL },
+ { "SearchHardTimeLimit",
+ "d",
+ (void *)&(g_MoveTimer.dHardTimeLimit),
+ NULL },
+ { "SearchNodesBetweenTimeCheck",
+ "u",
+ (void *)&(g_MoveTimer.uNodeCheckMask),
+ NULL },
+ { "StatusLine",
+ "B",
+ (void *)&(g_Options.fStatusLine),
+ NULL },
+ { "ThinkOnOpponentsTime",
+ "B",
+ (void *)&(g_Options.fShouldPonder),
+ NULL },
+ { "ThinkingNow",
+ "b",
+ (void *)&(g_Options.fThinking),
+ NULL },
+ { "TournamentMode",
+ "B",
+ (void *)&(g_fTournamentMode),
+ NULL },
+ { "VerbosePosting",
+ "B",
+ (void *)&(g_Options.fVerbosePosting),
+ NULL },
+ { "WhitePlayer",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].szName),
+ NULL },
+ { "WhiteRating",
+ "U",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].uRating),
+ NULL },
+ { "WhiteDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].szDescription),
+ NULL },
+ { "WhiteIsComputer",
+ "B",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].fIsComputer),
+ NULL },
+ { "Xboard",
+ "B",
+ (void *)&(g_Options.fRunningUnderXboard),
+ NULL }
+};
+
+
+
+
+COMMAND(SetCommand)
+/**
+
+Routine description:
+
+ This function implements the 'set' engine command.
+
+ Usage:
+
+ set [variable name [value]]
+
+ With no arguments, set dumps a list of all variables and their
+ current values.
+
+ With one argument, set displays the specified variable's value.
+
+ With two arguments, set changes the value of the specified
+ variable to the given value.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x, y;
+ FLAG fFound;
+
+ if (argc == 1)
+ {
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ switch(toupper(g_UserVarList[x].szType[0]))
+ {
+ case 'H':
+ case 'U':
+ Trace("%-28s => %u\n",
+ g_UserVarList[x].szName,
+ *((unsigned int *)g_UserVarList[x].pValue));
+ break;
+ case 'I':
+ Trace("%-28s => %d\n",
+ g_UserVarList[x].szName,
+ *((int *)g_UserVarList[x].pValue));
+ break;
+ case 'S':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (char *)g_UserVarList[x].pValue);
+ break;
+ case 'M':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ MoveToIcs(*((MOVE *)g_UserVarList[x].pValue)));
+ break;
+ case 'B':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (*((FLAG *)g_UserVarList[x].pValue) == TRUE) ?
+ "TRUE" : "FALSE");
+ break;
+ case 'D':
+ Trace("%-28s => %f\n",
+ g_UserVarList[x].szName,
+ *((double *)g_UserVarList[x].pValue));
+ break;
+ case '*':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ *((char **)g_UserVarList[x].pValue));
+ break;
+ default:
+ Trace("%-28s => ???\n",
+ g_UserVarList[x].szName);
+ // ASSERT(FALSE);
+ break;
+ }
+ }
+ return;
+ }
+ else if (argc == 2)
+ {
+ fFound = FALSE;
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ if (!STRNCMPI(argv[1],
+ g_UserVarList[x].szName,
+ strlen(argv[1])))
+ {
+ fFound = TRUE;
+ switch(toupper(g_UserVarList[x].szType[0]))
+ {
+ case 'H':
+ case 'U':
+ Trace("%-28s => %u\n",
+ g_UserVarList[x].szName,
+ *((unsigned int *)g_UserVarList[x].pValue));
+ break;
+ case 'I':
+ Trace("%-28s => %d\n",
+ g_UserVarList[x].szName,
+ *((int *)g_UserVarList[x].pValue));
+ break;
+ case 'S':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (char *)g_UserVarList[x].pValue);
+ break;
+ case 'M':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ MoveToIcs(*((MOVE *)g_UserVarList[x].pValue)));
+ break;
+ case 'B':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (*((FLAG *)g_UserVarList[x].pValue) == TRUE) ?
+ "TRUE" : "FALSE");
+ break;
+ case 'D':
+ Trace("%-28s => %f\n",
+ g_UserVarList[x].szName,
+ *((double *)g_UserVarList[x].pValue));
+ break;
+ case '*':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ *((char **)g_UserVarList[x].pValue));
+ break;
+ default:
+ Trace("%-28s => ???\n",
+ g_UserVarList[x].szName);
+ // ASSERT(FALSE);
+ break;
+ }
+ }
+ }
+
+ if (FALSE == fFound)
+ {
+ Trace("Error (invalid variable): %s\n", argv[1]);
+ }
+ return;
+ }
+ else
+ {
+ ASSERT(argc > 2);
+
+ fFound = FALSE;
+
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ if (!STRNCMPI(argv[1],
+ g_UserVarList[x].szName,
+ strlen(argv[1])))
+ {
+ fFound = TRUE;
+
+ if (islower(g_UserVarList[x].szType[0]))
+ {
+ Trace("Error (variable is read only): %s\n",
+ argv[1]);
+ }
+
+ switch(g_UserVarList[x].szType[0])
+ {
+ case 'H':
+ y = atoi(argv[2]);
+ if ((y < 0) || (y & (y - 1)))
+ {
+ Trace("Error (invalid size): %d\n", y);
+ }
+ else
+ {
+ *((int *)g_UserVarList[x].pValue) = y;
+ }
+ break;
+
+ case '*':
+ if (NULL != *((char **)g_UserVarList[x].pValue))
+ {
+ SystemFreeMemory( *((char **)g_UserVarList[x].pValue ) );
+ }
+ *((char **)g_UserVarList[x].pValue) = STRDUP(argv[2]);
+ if (NULL == *((char **)g_UserVarList[x].pValue))
+ {
+ Trace("Error (out of memory)\n");
+ return;
+ }
+ break;
+
+ case 'S':
+ strncpy(((char *)g_UserVarList[x].pValue),
+ argv[2],
+ 127);
+ break;
+
+ case 'U':
+ y = atoi(argv[2]);
+ if (y < 0)
+ {
+ Trace("Error (invalid value): %d\n", y);
+ return;
+ }
+ *((unsigned *)g_UserVarList[x].pValue) = y;
+ break;
+
+ case 'I':
+ y = atoi(argv[2]);
+ *((int *)g_UserVarList[x].pValue) = y;
+ break;
+
+ case 'B':
+ if (toupper(*(argv[2])) == 'T')
+ {
+ *((FLAG *)g_UserVarList[x].pValue) = TRUE;
+ }
+ else if (toupper(*(argv[2])) == 'F')
+ {
+ *((FLAG *)g_UserVarList[x].pValue) = FALSE;
+ }
+ else
+ {
+ Trace("Error (invalid value, must be TRUE or "
+ "FALSE): %s\n", argv[2]);
+ }
+ break;
+
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+
+ if (NULL != g_UserVarList[x].pFunction)
+ {
+ (void)(g_UserVarList[x].pFunction)();
+ }
+ }
+ }
+
+ if (FALSE == fFound)
+ {
+ Trace("Error (invalid variable): %s\n", argv[1]);
+ }
+ }
+}
+
+//
+// TODO: unset?
+//
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ script.c
+
+Abstract:
+
+ Some glue code to support running test scripts and keeping track
+ of test suite results.
+
+Author:
+
+
+Revision History:
+
+ $Id: script.c 355 2008-07-01 15:46:43Z scott $
+
+**/
+
+#include "chess.h"
+
+// ----------------------------------------------------------------------
+//
+// Global testsuite position counters
+//
+#define SUITE_MAX_SOLUTIONS (4)
+#define SUITE_MAX_AVOIDS (4)
+#define SUITE_NUM_HISTOGRAM (8)
+
+//
+// A big struct of counters we want to maintain when running test scripts.
+//
+typedef struct _SUITE_COUNTERS
+{
+ CHAR szId[SMALL_STRING_LEN_CHAR];
+ ULONG uNumSolutions;
+ MOVE mvSolution[SUITE_MAX_SOLUTIONS];
+ ULONG uNumAvoids;
+ MOVE mvAvoid[SUITE_MAX_AVOIDS];
+ ULONG uCorrect;
+ ULONG uIncorrect;
+ ULONG uTotal;
+ UINT64 u64TotalNodeCount;
+ double dCurrentSolutionTime;
+ ULONG uCurrentSolvedPlies;
+ ULONG uSigmaDepth;
+ double dSigmaSolutionTime;
+ double dAverageNps;
+ double dAverageFirstMoveBeta;
+ double dAverageTimeToSolution;
+ ULONG uHistogram[SUITE_NUM_HISTOGRAM];
+}
+SUITE_COUNTERS;
+static SUITE_COUNTERS g_SuiteCounters;
+
+
+static void
+_ClearSuiteData(void)
+/**
+
+Routine description:
+
+ Clear data/counters we have for the current test script.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static void
+
+**/
+{
+ g_SuiteCounters.uNumSolutions = 0;
+ memset(g_SuiteCounters.mvSolution,
+ 0,
+ sizeof(g_SuiteCounters.mvSolution));
+ g_SuiteCounters.uNumAvoids = 0;
+ memset(g_SuiteCounters.mvAvoid,
+ 0,
+ sizeof(g_SuiteCounters.mvAvoid));
+ memset(g_SuiteCounters.szId,
+ 0,
+ sizeof(g_SuiteCounters.szId));
+ g_SuiteCounters.uCurrentSolvedPlies = 0;
+ g_SuiteCounters.dCurrentSolutionTime = 0;
+}
+
+
+COMMAND(IdCommand)
+/**
+
+Routine description:
+
+ This function implements the 'id' engine command.
+
+ Usage:
+
+ id [optional string]
+
+ With no agruments, id returns the current position's id tag.
+ With a string argument, id sets the current position's id tag.
+
+ id tags are useful[?] for naming positions in test suites...
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ CHAR *p;
+ ULONG u;
+
+ if (argc < 2)
+ {
+ Trace("The current position's id is: \"%s\"\n",
+ g_SuiteCounters.szId);
+ }
+ else
+ {
+ p = szInput;
+ while(*p && !isspace(*p))
+ {
+ p++;
+ }
+ while(*p && isspace(*p))
+ {
+ p++;
+ }
+ u = 0;
+ while(*p)
+ {
+ if (!isspace(*p))
+ {
+ g_SuiteCounters.szId[u] = *p;
+ u++;
+ }
+ if (u > ARRAY_LENGTH(g_SuiteCounters.szId))
+ {
+ break;
+ }
+ p++;
+ }
+ }
+}
+
+COMMAND(SolutionCommand)
+/**
+
+Routine description:
+
+ This function implements the 'solution' engine command.
+
+ Usage:
+
+ solution [optional move string]
+
+ With no agruments, solution prints out a list of the "correct
+ solution" move(s) set for the current position.
+
+ With a move string argument solution sets another move as the
+ correct answer to the current position. The move string can
+ be in ICS or SAN format.
+
+ When the engine is allowed to search a position it will
+ compare its best move from the search against the solution
+ move(s) for the position and keep track of how many it gets
+ right/wrong and how long it took to solve.
+
+ A position can have up to three solutions. A position cannot
+ have both solution moves and avoid moves.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ MOVE mv;
+
+ if (argc < 2)
+ {
+ Trace("There %s %u solution move%s set:\n",
+ (g_SuiteCounters.uNumSolutions > 1) ? "are" : "is",
+ g_SuiteCounters.uNumSolutions,
+ (g_SuiteCounters.uNumSolutions > 1) ? "s" : "");
+ for(u = 0;
+ u < g_SuiteCounters.uNumSolutions;
+ u++)
+ {
+ Trace(" %s\n", MoveToSan(g_SuiteCounters.mvSolution[u], pos));
+ }
+ }
+ else
+ {
+ mv.uMove = 0;
+ switch(LooksLikeMove(argv[1]))
+ {
+ case MOVE_SAN:
+ mv = ParseMoveSan(argv[1], pos);
+ break;
+ case MOVE_ICS:
+ mv = ParseMoveIcs(argv[1], pos);
+ break;
+ case NOT_MOVE:
+ break;
+ }
+
+ if (mv.uMove == 0)
+ {
+ Trace("Error (bad move): %s\n", argv[1]);
+ return;
+ }
+
+ if (g_SuiteCounters.uNumSolutions < SUITE_MAX_SOLUTIONS)
+ {
+ g_SuiteCounters.mvSolution[g_SuiteCounters.uNumSolutions] = mv;
+ g_SuiteCounters.uNumSolutions++;
+ }
+ }
+}
+
+
+COMMAND(AvoidCommand)
+/**
+
+Routine description:
+
+ This function implements the 'avoid' engine command.
+
+ Usage:
+
+ avoid [optional move string]
+
+ With no agruments, avoid prints out a list of the "don't play
+ this" move(s) set for the current position.
+
+ With a move string argument, avoid sets another move as the
+ incorrect answer to the current position. The move string can
+ be in ICS or SAN format.
+
+ When the engine is allowed to search a position it will
+ compare its best move from the search against the avoid
+ move(s) for the position and keep track of how many it gets
+ right/wrong and how long it took to solve.
+
+ A position can have up to three avoid moves. A position
+ cannot have both solution moves and avoid moves.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ MOVE mv;
+
+ if (argc < 2)
+ {
+ Trace("There %s %u avoid move%s set:\n",
+ (g_SuiteCounters.uNumAvoids > 1) ? "are" : "is",
+ g_SuiteCounters.uNumAvoids,
+ (g_SuiteCounters.uNumAvoids > 1) ? "s" : "");
+ for(u = 0;
+ u < g_SuiteCounters.uNumAvoids;
+ u++)
+ {
+ Trace(" %s\n", MoveToSan(g_SuiteCounters.mvAvoid[u], pos));
+ }
+ }
+ else
+ {
+ mv.uMove = 0;
+ switch(LooksLikeMove(argv[1]))
+ {
+ case MOVE_SAN:
+ mv = ParseMoveSan(argv[1], pos);
+ break;
+ case MOVE_ICS:
+ mv = ParseMoveIcs(argv[1], pos);
+ break;
+ case NOT_MOVE:
+ break;
+ }
+
+ if (mv.uMove == 0)
+ {
+ Trace("Error (bad move): %s\n", argv[1]);
+ return;
+ }
+
+ if (g_SuiteCounters.uNumAvoids < SUITE_MAX_AVOIDS)
+ {
+ g_SuiteCounters.mvAvoid[g_SuiteCounters.uNumAvoids] = mv;
+ g_SuiteCounters.uNumAvoids++;
+ }
+ }
+}
+
+
+
+COMMAND(ScriptCommand)
+/**
+
+Routine description:
+
+ This function implements the 'script' engine command.
+
+ Usage:
+
+ script <required filename>
+
+ The script command opens the reads the required filename and
+ reads it line by line. Each line of the script file is
+ treated as a command and executed in sequence. Each command
+ is executed fully before the next script line is read and
+ executed. When all lines in the script file have been read
+ and executed the engine will print out a post-script report of
+ test suite statistics and then begin to pay attention to
+ commands from the keyboard again.
+
+ Scripts are meant to facilitate execution of test suites.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ FILE *p;
+ static CHAR szLine[SMALL_STRING_LEN_CHAR];
+ double dSuiteStart;
+ ULONG u, v, uMax;
+ double dMult;
+
+ if (argc < 2)
+ {
+ Trace("Error (Usage: script <filename>): %s\n", argv[0]);
+ return;
+ }
+ if (FALSE == SystemDoesFileExist(argv[1]))
+ {
+ Trace("Error (file doesn't exist): %s\n", argv[1]);
+ return;
+ }
+
+ p = fopen(argv[1], "rb");
+ if (NULL != p)
+ {
+ // Doing the script...
+ dSuiteStart = SystemTimeStamp();
+ memset(&(g_SuiteCounters), 0, sizeof(g_SuiteCounters));
+ while(fgets(szLine, ARRAY_LENGTH(szLine), p))
+ {
+ Trace("SCRIPT> %s\n", szLine);
+ if (!STRNCMPI(szLine, "go", 2))
+ {
+ (void)Think(pos);
+ g_SuiteCounters.u64TotalNodeCount +=
+ g_Options.u64NodesSearched;
+ }
+ else
+ {
+ PushNewInput(szLine);
+ if (TRUE == g_fExitProgram) break;
+ ParseUserInput(FALSE);
+ }
+ }
+ fclose(p);
+
+ // Banner and end results
+ dMult = (double)g_Options.uMyIncrement / (double)SUITE_NUM_HISTOGRAM;
+ Banner();
+ Trace("\n"
+ "TEST SCRIPT execution complete. Final statistics:\n"
+ "--------------------------------------------------\n"
+ " correct solutions : %u\n"
+ " incorrect solutions : %u\n"
+ " total problems : %u\n"
+ " total nodecount : %"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT "\n"
+ " avg. search speed : %6.1f nps\n"
+ " avg. solution time : %3.1f sec\n"
+ " avg. search depth : %4.1f ply\n"
+ " script time : %6.1f sec\n\n",
+ g_SuiteCounters.uCorrect,
+ g_SuiteCounters.uIncorrect,
+ g_SuiteCounters.uTotal,
+ g_SuiteCounters.u64TotalNodeCount,
+ ((double)g_SuiteCounters.u64TotalNodeCount /
+ (SystemTimeStamp() - dSuiteStart)),
+ (g_SuiteCounters.dSigmaSolutionTime /
+ (double)g_SuiteCounters.uCorrect),
+ ((double)g_SuiteCounters.uSigmaDepth /
+ (double)g_SuiteCounters.uTotal),
+ (SystemTimeStamp() - dSuiteStart));
+
+ // Histogram stuff
+ if (g_SuiteCounters.uTotal > 0) {
+ uMax = g_SuiteCounters.uHistogram[0];
+ for (u = 1; u < SUITE_NUM_HISTOGRAM; u++)
+ {
+ if (g_SuiteCounters.uHistogram[u] > uMax)
+ {
+ uMax = g_SuiteCounters.uHistogram[u];
+ }
+ }
+ ASSERT(uMax > 0);
+ for (u = 0; u < SUITE_NUM_HISTOGRAM; u++)
+ {
+ Trace("%4.1f .. %4.1f: ",
+ (double)u * dMult, (double)(u + 1) * dMult);
+ for (v = 0;
+ v < 50 * g_SuiteCounters.uHistogram[u] / uMax;
+ v++)
+ {
+ Trace("*");
+ }
+ Trace("\n");
+ }
+ }
+ }
+}
+
+FLAG
+WeAreRunningASuite(void)
+/**
+
+Routine description:
+
+ A function that returns TRUE if the engine is running a test suite
+ and FALSE otherwise.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (g_SuiteCounters.uNumSolutions +
+ g_SuiteCounters.uNumAvoids)
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+FLAG
+CheckTestSuiteMove(MOVE mv, SCORE iScore, ULONG uDepth)
+/**
+
+Routine description:
+
+ This function is called by RootSearch when it has finished a
+ search. The MOVE parameter is the best move that the search
+ found. This code checks that move against the solution or avoid
+ moves for the current position, determines if we "got it right"
+ and updates the test suite counters accordingly.
+
+Parameters:
+
+ MOVE mv
+
+Return value:
+
+ FLAG
+
+**/
+{
+ FLAG fSolved = FALSE;
+ ULONG u;
+
+ if (!WeAreRunningASuite()) return FALSE;
+
+ //
+ // There is(are) solution move(s).
+ //
+ if (g_SuiteCounters.uNumSolutions)
+ {
+ ASSERT(g_SuiteCounters.uNumAvoids == 0);
+ fSolved = FALSE;
+ for (u = 0; u < g_SuiteCounters.uNumSolutions; u++)
+ {
+ if ((mv.cFrom == g_SuiteCounters.mvSolution[u].cFrom) &&
+ (mv.cTo == g_SuiteCounters.mvSolution[u].cTo))
+ {
+ fSolved = TRUE;
+ break;
+ }
+ }
+ if (!fSolved) {
+ g_SuiteCounters.uCurrentSolvedPlies = 0;
+ g_SuiteCounters.dCurrentSolutionTime = 0.0;
+ } else {
+ if (g_SuiteCounters.uCurrentSolvedPlies == 0) {
+ g_SuiteCounters.dCurrentSolutionTime =
+ (SystemTimeStamp() - g_MoveTimer.dStartTime);
+ }
+ g_SuiteCounters.uCurrentSolvedPlies++;
+ }
+ }
+ else if (g_SuiteCounters.uNumAvoids)
+ {
+ //
+ // Handle avoid-move problems.
+ //
+ fSolved = TRUE;
+ for (u = 0; u < g_SuiteCounters.uNumAvoids; u++)
+ {
+ if ((mv.cFrom == g_SuiteCounters.mvAvoid[u].cFrom) &&
+ (mv.cTo == g_SuiteCounters.mvAvoid[u].cTo))
+ {
+ fSolved = FALSE;
+ }
+ }
+ if (!fSolved)
+ {
+ g_SuiteCounters.uCurrentSolvedPlies = 0;
+ g_SuiteCounters.dCurrentSolutionTime = 0.0;
+ } else {
+ if (g_SuiteCounters.uCurrentSolvedPlies == 0) {
+ g_SuiteCounters.dCurrentSolutionTime =
+ (SystemTimeStamp() - g_MoveTimer.dStartTime);
+ }
+ g_SuiteCounters.uCurrentSolvedPlies++;
+ }
+ }
+ else
+ {
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ //
+ // Handle "FastScript" variable for solution moves.
+ //
+ if ((g_Options.fFastScript) &&
+ (g_SuiteCounters.uCurrentSolvedPlies > 4) &&
+ (iScore >= 0))
+ {
+ if (((g_Options.uMyIncrement != 0) &&
+ (SystemTimeStamp() - g_MoveTimer.dStartTime >=
+ (double)g_Options.uMyIncrement / 3)) ||
+ ((g_Options.uMaxDepth != 0) &&
+ (uDepth >= g_Options.uMaxDepth / 3)))
+ {
+ Trace("FAST SCRIPT --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ }
+ }
+ return(fSolved);
+}
+
+
+void
+PostMoveTestSuiteReport(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ If we're running a suite, print a little blurb after each move to
+ act as a running total of how we're doing.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ void
+
+**/
+{
+ MOVE mv = ctx->mvRootMove;
+ ULONG uDepth = ctx->uRootDepth / ONE_PLY, y;
+ double dMult;
+
+ //
+ // This is the real move the searched picked when all was said and
+ // done (i.e. it ran out of time or reached a fixed depth). See
+ // if it's right.
+ //
+ if (WeAreRunningASuite())
+ {
+ g_SuiteCounters.uTotal++;
+ g_SuiteCounters.uSigmaDepth += uDepth;
+
+ if (CheckTestSuiteMove(mv, -1, uDepth))
+ {
+ Trace("Problem %s solved in %3.1f sec.\n",
+ g_SuiteCounters.szId,
+ g_SuiteCounters.dCurrentSolutionTime);
+ g_SuiteCounters.uCorrect++;
+ g_SuiteCounters.dSigmaSolutionTime +=
+ g_SuiteCounters.dCurrentSolutionTime;
+
+ dMult = (double)g_Options.uMyIncrement /
+ (double)SUITE_NUM_HISTOGRAM;
+ ASSERT(SUITE_NUM_HISTOGRAM > 0);
+ for (y = 1; y <= SUITE_NUM_HISTOGRAM; y++)
+ {
+ if (g_SuiteCounters.dCurrentSolutionTime < ((double)y * dMult))
+ {
+ g_SuiteCounters.uHistogram[y-1]++;
+ break;
+ }
+ if (y == SUITE_NUM_HISTOGRAM)
+ {
+ //
+ // This one is actually > time-to-think. This
+ // really happens... like we had 20 sec to think
+ // and solved it in 20.1 or something before the
+ // stop-searching timer was checked.
+ //
+ g_SuiteCounters.uHistogram[y-1]++;
+ }
+ }
+ }
+ else
+ {
+ Trace(">>>>> Problem %s was not solved. <<<<<\n\n",
+ g_SuiteCounters.szId);
+ g_SuiteCounters.uIncorrect++;
+ }
+ Trace("Current suite score: %u correct of %u problems.\n",
+ g_SuiteCounters.uCorrect,
+ g_SuiteCounters.uTotal);
+ _ClearSuiteData();
+ }
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ search.c
+
+Abstract:
+
+ Recursive chess tree searching. See also split.c.
+
+ "A type 1 node is also called a PV node. The root of the tree is
+ a type-1 node, and the *first* successor of a type-1 node is a
+ type-1 node also. A type-1 node must have all branches examined,
+ but it is unique in that we don't know anything about alpha and
+ beta yet, because we haven't searched the first move to establish
+ them.
+
+ A type 2 node is either (a) a successor of any type-3 node, or,
+ (b) it's any successor (other than the first) of a type-1 node.
+ With perfect move ordering, the first branch at a type-2 node will
+ "refute" the move made at the previous ply via the alpha/beta
+ algorithm. This node requires good move ordering, because you
+ have to find a move good enough that your opponent would not play
+ the move he chose that led to this position. If you try a poor
+ move first, it won't produce a cutoff, and you have to search
+ another move (or more) until you find the "good" move that would
+ make him not play his move.
+
+ A type-3 node follows a type-2 node. Here, you have to try every
+ move at your disposal. Since your opponent (at the previous ply)
+ has played a "strong" move (supposedly the "best" move) you are
+ going to have to try every move you have in an effort to refute
+ this move. None will do so (unless your opponent tried some poor
+ move first due to incorrect move ordering). Here, move ordering
+ is not worth the trouble, since the ordering won't let you avoid
+ searching some moves. Of course, with the transposition /
+ refutation table, ordering might help you get more "hits" if your
+ table is not large enough...
+
+ As you can see, at type-1 nodes you have to do good move ordering
+ to choose that "1" move (or to choose that one out of a very few)
+ that is good enough to cause a cutoff, while avoiding choosing
+ those that are no good. At a type-1 node, the same thing applies.
+ If you don't pick the best move first (take the moves at the root
+ for example) you will search an inferior move, establish alpha or
+ beta incorrectly, and thereby increase the size of the total tree
+ by a *substantial* amount.
+
+ By the way, some authors call type-1 nodes "PV" nodes, type-2
+ nodes "CUT" nodes, and type-3 nodes "ALL" nodes. These make it
+ easier to read, but, unfortunately, I "cut my teeth" on the
+ Knuth/Moore paper and think in terms of type 1,2,3."
+
+ --Bob Hyatt, r.g.c.c
+
+Author:
+
+
+Revision History:
+
+ $Id: search.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uIterateDepth;
+extern FLAG g_fCanSplit[MAX_PLY_PER_SEARCH];
+
+#define TRY_HASH_MOVE (0)
+#define GENERATE_MOVES (1)
+#define PREPARE_TO_TRY_MOVES (2)
+#define TRY_GENERATED_MOVES (3)
+
+#ifdef DEBUG
+#define VERIFY_HASH_HIT \
+ ASSERT(IS_VALID_SCORE(iScore)); \
+ ASSERT(((ULONG)pHash->uDepth << 4) >= uDepth); \
+ switch (pHash->bvFlags & HASH_FLAG_VALID_BOUNDS) \
+ { \
+ case HASH_FLAG_LOWER: \
+ ASSERT(iScore >= iBeta); \
+ ASSERT(iScore > -NMATE); \
+ ASSERT(iScore <= +NMATE); \
+ break; \
+ case HASH_FLAG_UPPER: \
+ ASSERT(iScore <= iAlpha); \
+ ASSERT(iScore < +NMATE); \
+ ASSERT(iScore >= -NMATE); \
+ break; \
+ case HASH_FLAG_EXACT: \
+ ASSERT((-NMATE <= iScore) && \
+ (iScore <= +NMATE)); \
+ break; \
+ default: \
+ ASSERT(FALSE); \
+ }
+#else
+#define VERIFY_HASH_HIT
+#endif
+
+/**
+
+Routine description:
+
+ This is the full-width portion of the main chess tree search. In
+ general, its job is to ask the move generator to make a list of
+ all the moves possible at the board position in ctx, to make each
+ move in turn, and to search each resulting position recursively.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : the context to search in
+ SCORE iAlpha : the lower bound of the interesting score window
+ SCORE iBeta : the upper bound of the interesting score window
+ ULONG uDepth : the depth remaining before QSearch is invoked
+
+Return value:
+
+ SCORE : a score
+
+ Also affects the transposition table, searcher context, and just
+ about every other large data structure in the engine...
+
+**/
+SCORE FASTCALL
+Search(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uDepth)
+{
+ POSITION *pos = &ctx->sPosition;
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ CUMULATIVE_SEARCH_FLAGS *pf = &ctx->sSearchFlags;
+ MOVE mvLast = (pi-1)->mv;
+ SCORE iBestScore = -INFINITY;
+ SCORE iInitialAlpha;
+ SCORE iRoughEval;
+ MOVE mv, mvBest, mvHash;
+ ULONG x = 0;
+ SCORE iScore;
+ INT iOrigExtend = 0;
+ INT iExtend;
+ ULONG uNextDepth;
+ ULONG uLegalMoves = 0;
+ HASH_ENTRY *pHash;
+ FLAG fThreat;
+ FLAG fSkipNull;
+ FLAG fIsDraw;
+ ULONG uStage = TRY_HASH_MOVE;
+ ULONG u;
+ ULONG uFutilityMargin = 0;
+#ifdef DEBUG
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(ctx->uPly > 0);
+ ASSERT((mvLast.uMove != 0) || (pf->fAvoidNullmove == TRUE));
+ ASSERT(IS_VALID_FLAG(pf->fAvoidNullmove));
+ ASSERT(IS_VALID_FLAG(pf->fVerifyNullmove));
+ memcpy(&pi->sPosition, pos, sizeof(POSITION));
+#endif
+
+ // Jump directly to Qsearch if remaining depth is low enough.
+ // This is the only place Qsearch is entered.
+ if (uDepth < ONE_PLY)
+ {
+ pf->fCouldStandPat[BLACK] = pf->fCouldStandPat[WHITE] = FALSE;
+ pf->uQsearchNodes = pf->uQsearchDepth = 0;
+ pf->uQsearchCheckDepth = QPLIES_OF_NON_CAPTURE_CHECKS;
+ pi->fInQsearch = TRUE;
+ iBestScore = QSearch(ctx, iAlpha, iBeta);
+ ASSERT(pf->uQsearchNodes < 20000);
+ ASSERT(pf->uQsearchDepth == 0);
+ goto end;
+ }
+ pi->fInQsearch = FALSE;
+
+ // Common initialization code (which may cause a cutoff or change the
+ // bounds or decide that we need to stop searching now).
+ if (TRUE == CommonSearchInit(ctx,
+ &iAlpha,
+ &iBeta,
+ &iBestScore))
+ {
+ goto end;
+ }
+ DTEnterNode(ctx, uDepth, FALSE, iAlpha, iBeta);
+ iInitialAlpha = iAlpha;
+ ASSERT((IS_CHECKING_MOVE(mvLast) && (TRUE == pi->fInCheck)) ||
+ (!IS_CHECKING_MOVE(mvLast) && (FALSE == pi->fInCheck)));
+
+ // Prepare next depth for nullmove and hashtable lookup
+ uNextDepth = uDepth - SelectNullmoveRFactor(ctx, uDepth) - ONE_PLY;
+ if (uNextDepth > MAX_DEPTH_PER_SEARCH) uNextDepth = 0;
+
+ // Check the transposition table. This may give us a cutoff
+ // without doing any work if we have previously stored the score
+ // of this search in the hash. It also may set mvHash even if it
+ // can't give us a cutoff. It also may set fSkipNull (see below)
+ // based on uNextDepth to inform us that a nullmove search is
+ // unlikely to succeed here.
+ mvHash.uMove = 0;
+ pHash = HashLookup(ctx,
+ uDepth,
+ uNextDepth,
+ iAlpha,
+ iBeta,
+ &fThreat,
+ &fSkipNull,
+ &mvHash,
+ &iScore);
+ if (NULL != pHash)
+ {
+ VERIFY_HASH_HIT;
+ u = pHash->bvFlags & HASH_FLAG_VALID_BOUNDS;
+ if (0 != mvHash.uMove)
+ {
+ // This is an idea posted by Dieter Brusser on CCC: If we
+ // get a hash hit that leads to a draw then only accept it
+ // if it has a score of zero, allows us to fail high when
+ // a draw would also have allowed a fail high, or allows a
+ // fail low when a draw would also have allowed a fail
+ // low.
+ VERIFY(MakeMove(ctx, mvHash));
+ fIsDraw = IsDraw(ctx);
+ UnmakeMove(ctx, mvHash);
+ if ((FALSE == fIsDraw) || (iScore == 0) ||
+ ((u == HASH_FLAG_LOWER) && (iScore >= iBeta) && (0 >= iBeta)) ||
+ ((u == HASH_FLAG_UPPER) && (iScore <= iAlpha) && (0 <= iAlpha)))
+ {
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ UpdatePV(ctx, HASHMOVE);
+ }
+ iBestScore = iScore;
+ goto end;
+ }
+ }
+ else
+ {
+ // The hash move is empty. Either this is an upper bound
+ // in which case we have no best move since the node that
+ // generated it was a fail low -or- this is a lower bound
+ // recorded after a null move search. In the latter case
+ // we only accept the cutoff if we are considering null
+ // moves at this node too.
+ ASSERT(u != HASH_FLAG_EXACT);
+ if ((HASH_FLAG_UPPER == u) || (FALSE == pf->fAvoidNullmove))
+ {
+ ASSERT(((u == HASH_FLAG_UPPER) && (iScore <= iAlpha)) ||
+ ((u == HASH_FLAG_LOWER) && (iScore >= iBeta)));
+ iBestScore = iScore;
+ goto end;
+ }
+ }
+ }
+
+ // Probe interior node recognizers; allow probes of ondisk EGTB files
+ // if it looks like we can get hit.
+ switch(RecognLookup(ctx, &iScore, ctx->uPly <= (g_uIterateDepth / 2)))
+ {
+ case UNRECOGNIZED:
+ break;
+ case RECOGN_EXACT:
+ case RECOGN_EGTB:
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ UpdatePV(ctx, RECOGNMOVE);
+ }
+ iBestScore = iScore;
+ goto end;
+ case RECOGN_LOWER:
+ if (iScore >= iBeta)
+ {
+ iBestScore = iScore;
+ goto end;
+ }
+ break;
+ case RECOGN_UPPER:
+ if (iScore <= iAlpha)
+ {
+ iBestScore = iScore;
+ goto end;
+ }
+ break;
+#ifdef DEBUG
+ default:
+ ASSERT(FALSE);
+#endif
+ }
+
+ // Maybe do nullmove pruning
+ iRoughEval = GetRoughEvalScore(ctx, iAlpha, iBeta, FALSE);
+ GENERATE_NO_MOVES;
+ if (!fSkipNull &&
+ !fThreat &&
+ WeShouldTryNullmovePruning(ctx,
+ iAlpha,
+ iBeta,
+ iRoughEval,
+ uNextDepth))
+ {
+ if (TryNullmovePruning(ctx,
+ &fThreat,
+ iAlpha,
+ iBeta,
+ uNextDepth,
+ &iOrigExtend,
+ &iScore))
+ {
+ if (iScore > iBeta) {
+ StoreLowerBound(mvHash, pos, iScore, uDepth, FALSE);
+ }
+ iBestScore = iScore; // TODO: try just beta here
+ goto end;
+ }
+ }
+
+ // Maybe increment positional extension level b/c of nullmove search
+ // or hash table results.
+ if (fThreat)
+ {
+ iOrigExtend += THREE_QUARTERS_PLY;
+ INC(ctx->sCounters.extension.uMateThreat);
+ }
+
+ // Main search loop, try moves under this position. Before we get
+ // into the move loop, save the extensions merited by this
+ // position in the tree (pre-move) and the original search flags.
+ // Also clear the avoid null bit in the search flags -- we were
+ // either told to avoid it or not but there is no need to avoid it
+ // for the rest of the line...
+ mvBest.uMove = 0;
+ pf->fAvoidNullmove = FALSE;
+ do
+ {
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+
+ // Becase we want to try the hash move before generating any
+ // moves (in case it fails high and we can avoid the work) we
+ // have this ugly crazy looking switch statement...
+ switch(uStage)
+ {
+ case TRY_HASH_MOVE:
+ uStage++;
+ x = 0;
+ ASSERT(iBestScore == -INFINITY);
+ ASSERT(uLegalMoves == 0);
+ if (mvHash.uMove != 0)
+ {
+ mv = mvHash;
+ break;
+ }
+ // else fall through
+
+ case GENERATE_MOVES:
+ ASSERT(ctx->uPly > 0);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ x = ctx->sMoveStack.uBegin[ctx->uPly];
+ uStage++;
+ if (IS_CHECKING_MOVE(mvLast))
+ {
+ ASSERT(InCheck(pos, pos->uToMove));
+ GenerateMoves(ctx, mvHash, GENERATE_ESCAPES);
+ if (MOVE_COUNT(ctx, ctx->uPly))
+ {
+ if (NUM_CHECKING_PIECES(ctx, ctx->uPly) > 1)
+ {
+ iOrigExtend += QUARTER_PLY;
+ INC(ctx->sCounters.extension.uMultiCheck);
+ } else if (NUM_KING_MOVES(ctx, ctx->uPly) == 0) {
+ iOrigExtend += QUARTER_PLY;
+ INC(ctx->sCounters.extension.uNoLegalKingMoves);
+ }
+ }
+ }
+ else
+ {
+ ASSERT(!InCheck(pos, pos->uToMove));
+ GenerateMoves(ctx, mvHash, GENERATE_ALL_MOVES);
+ }
+ // fall through
+
+ case PREPARE_TO_TRY_MOVES:
+ ASSERT(x == ctx->sMoveStack.uBegin[ctx->uPly]);
+ ASSERT((uLegalMoves == 0) ||
+ ((uLegalMoves == 1) && (mvHash.uMove)));
+#ifdef DO_IID
+ if (MOVE_COUNT(ctx, ctx->uPly))
+ {
+ SelectBestNoHistory(ctx, x);
+
+ // EXPERIMENT: If we got no best move from the
+ // hash table and the best move we got from the
+ // generator looks crappy (i.e. is not a winning
+ // or even capture/promotion) then rescore the
+ // moves we generated at this ply using a
+ // shallower search. "Internal Iterative
+ // Deepening" or something like it.
+ if ((iAlpha + 1 != iBeta) &&
+ (mvHash.uMove == 0) &&
+ (ctx->sMoveStack.mvf[x].iValue < SORT_THESE_FIRST) &&
+ (uDepth >= FOUR_PLY))
+ {
+ ASSERT(uDepth >= (IID_R_FACTOR + ONE_PLY));
+ ASSERT(ctx->sSearchFlags.fAvoidNullmove == FALSE);
+ ctx->sSearchFlags.fAvoidNullmove = TRUE;
+ RescoreMovesViaSearch(ctx, uDepth, iAlpha, iBeta);
+ ctx->sSearchFlags.fAvoidNullmove = FALSE;
+ }
+ }
+#endif
+ // This is very similar to Ernst Heinz's "extended
+ // futility pruning" except that it uses the added
+ // dynamic criteria of "ValueOfMaterialInTrouble"
+ // condition as a safety net. Note: before we actually
+ // prune away moves we will also make sure there is
+ // no per-move extension.
+ ASSERT(!uFutilityMargin);
+ if ((iRoughEval + VALUE_ROOK <= iAlpha) &&
+ (uDepth <= TWO_PLY) &&
+ (ctx->uPly >= 2) &&
+ (iOrigExtend == 0) &&
+ (ctx->sPlyInfo[ctx->uPly - 2].iExtensionAmount <= 0) &&
+ (ValueOfMaterialInTroubleDespiteMove(pos, pos->uToMove)))
+ {
+ uFutilityMargin = (iAlpha - iRoughEval) / 2;
+ ASSERT(uFutilityMargin);
+ }
+ uStage++;
+ ASSERT(x == ctx->sMoveStack.uBegin[ctx->uPly]);
+ // fall through
+
+ case TRY_GENERATED_MOVES:
+ if (x < ctx->sMoveStack.uEnd[ctx->uPly])
+ {
+ ASSERT(x >= ctx->sMoveStack.uBegin[ctx->uPly]);
+ if (uLegalMoves < SEARCH_SORT_LIMIT(ctx->uPly))
+ {
+ SelectBestWithHistory(ctx, x);
+ }
+ mv = ctx->sMoveStack.mvf[x].mv;
+#ifdef DEBUG
+ ASSERT(0 == (ctx->sMoveStack.mvf[x].bvFlags &
+ MVF_MOVE_SEARCHED));
+ ctx->sMoveStack.mvf[x].bvFlags |= MVF_MOVE_SEARCHED;
+#endif
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+
+ // Note: x is the index of the NEXT move to be
+ // considered, this move's index is (x-1).
+ x++;
+ break;
+ }
+ // else fall through
+
+ default:
+ goto no_more_moves;
+ }
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(pos, mv));
+
+#ifdef MP
+ // Can we search the remaining moves in parallel?
+ ASSERT((uDepth / ONE_PLY - 1) >= 0);
+ ASSERT((uDepth / ONE_PLY - 1) < MAX_PLY_PER_SEARCH);
+ if (((uLegalMoves >= 2)) &&
+ (0 != g_uNumHelpersAvailable) &&
+ (0 == uFutilityMargin) &&
+ (TRUE == g_fCanSplit[uDepth / ONE_PLY - 1]) &&
+ (MOVE_COUNT(ctx, ctx->uPly) > 3))
+ {
+ ASSERT(pf->fAvoidNullmove == FALSE);
+ ASSERT(uStage == TRY_GENERATED_MOVES);
+ ASSERT(x != 0);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ ASSERT(iBestScore <= iAlpha);
+ ctx->sMoveStack.mvf[x-1].bvFlags &= ~MVF_MOVE_SEARCHED;
+ iScore = StartParallelSearch(ctx,
+ &iAlpha,
+ iBeta,
+ &iBestScore,
+ &mvBest,
+ (x - 1),
+ iOrigExtend,
+ uDepth);
+ ASSERT(iAlpha < iBeta);
+ ASSERT((IS_SAME_MOVE(pi->PV[ctx->uPly], mvBest)) ||
+ (iScore <= iAlpha) || (iScore >= iBeta));
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+#ifdef DEBUG
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+ if (IS_VALID_SCORE(iScore))
+ {
+ pi->mvBest = mvBest;
+ goto no_more_moves;
+ }
+ else
+ {
+ ASSERT(WE_SHOULD_STOP_SEARCHING);
+ iBestScore = iScore;
+ goto end;
+ }
+ ASSERT(FALSE);
+ }
+#endif
+
+ if (TRUE == MakeMove(ctx, mv))
+ {
+ uLegalMoves++;
+ ASSERT((IS_CHECKING_MOVE(mv) && InCheck(pos, pos->uToMove)) ||
+ (!IS_CHECKING_MOVE(mv) && !InCheck(pos, pos->uToMove)));
+
+ // Compute per-move extension (as opposed to per-position
+ // extensions which are represented by iOrigExtend).
+ iExtend = iOrigExtend;
+ ComputeMoveExtension(ctx,
+ iAlpha,
+ iBeta,
+ (x - 1), // Note: x==0 if doing mvHash
+ iRoughEval,
+ uDepth,
+ &iExtend);
+
+ // Decide whether or not to do history pruning
+ if (TRUE == WeShouldDoHistoryPruning(iRoughEval,
+ iAlpha,
+ iBeta,
+ ctx,
+ uDepth,
+ uLegalMoves,
+ mv,
+ (x - 1), // Note: x==0 if hash
+ iExtend))
+ {
+ ASSERT(iExtend == 0);
+ iExtend = -ONE_PLY;
+ pi->iExtensionAmount = -ONE_PLY;
+ }
+
+ // Maybe even "futility prune" this move away.
+ if ((x != 0) &&
+ (uLegalMoves > 1) &&
+ (uFutilityMargin) &&
+ (ComputeMoveScore(ctx, mv, (x - 1)) < uFutilityMargin) &&
+ (iExtend <= 0) &&
+ (!IS_ESCAPING_CHECK(mv)))
+ {
+ // TODO: test this more carefully
+ ASSERT(!IS_CHECKING_MOVE(mv));
+ UnmakeMove(ctx, mv);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ }
+ else
+ {
+ // Compute the next search depth for this move/subtree.
+ uNextDepth = uDepth - ONE_PLY + iExtend;
+ if (uNextDepth >= MAX_DEPTH_PER_SEARCH) uNextDepth = 0;
+ ASSERT(pf->fAvoidNullmove == FALSE);
+ if (iBestScore == -INFINITY)
+ {
+ // First move, full a..b window.
+ ASSERT(uLegalMoves == 1);
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ else
+ {
+ // Moves 2..N, try a minimal window search
+ iScore = -Search(ctx, -iAlpha - 1, -iAlpha, uNextDepth);
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ }
+
+ // Research deeper if history pruning failed
+ if ((iExtend < 0) && (iScore >= iBeta))
+ {
+ uNextDepth += ONE_PLY;
+ pi->iExtensionAmount = 0;
+ iScore = -Search(ctx, -iBeta, -iAlpha, uNextDepth);
+ }
+ UnmakeMove(ctx, mv);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ iBestScore = iScore;
+ goto end;
+ }
+
+ // Check results
+ ASSERT(iBestScore <= iAlpha);
+ ASSERT(iAlpha < iBeta);
+ if (iScore > iBestScore)
+ {
+ iBestScore = iScore;
+ mvBest = mv;
+ pi->mvBest = mv;
+
+ if (iScore > iAlpha)
+ {
+ if (iScore >= iBeta)
+ {
+ // Update history and killers list and store in
+ // the transposition table.
+ UpdateDynamicMoveOrdering(ctx,
+ uDepth,
+ mv,
+ iScore,
+ x);
+ StoreLowerBound(mv, pos, iScore, uDepth, fThreat);
+ KEEP_TRACK_OF_FIRST_MOVE_FHs(uLegalMoves == 1);
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+ goto end;
+ }
+ else
+ {
+ // PV move...
+ UpdatePV(ctx, mv);
+ iAlpha = iScore;
+ }
+ }
+ }
+ }
+ }
+ }
+ while(1); // foreach move
+
+ no_more_moves:
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+
+ // Detect checkmates and stalemates
+ if (0 == uLegalMoves)
+ {
+ if (pi->fInCheck)
+ {
+ ASSERT(IS_CHECKING_MOVE(mvLast));
+ ASSERT(InCheck(pos, pos->uToMove));
+ iBestScore = MATED_SCORE(ctx->uPly);
+ ASSERT(iBestScore <= -NMATE);
+ goto end;
+ }
+ else
+ {
+ iBestScore = 0;
+ if ((iAlpha < iBestScore) && (iBestScore < iBeta))
+ {
+ UpdatePV(ctx, DRAWMOVE);
+ }
+ goto end;
+ }
+ }
+
+ // Not checkmate/stalemate; store the result of this search in the
+ // hash table.
+ if (iAlpha != iInitialAlpha)
+ {
+ ASSERT(mvBest.uMove != 0);
+ if (!IS_CAPTURE_OR_PROMOTION(mvBest))
+ {
+ UpdateDynamicMoveOrdering(ctx,
+ uDepth,
+ mvBest,
+ iBestScore,
+ 0);
+ }
+ StoreExactScore(mvBest, pos, iBestScore, uDepth, fThreat, ctx->uPly);
+ }
+ else
+ {
+ // IDEA: "I am very well aware of the fact, that the scores
+ // you get back outside of the window, are not trustable at
+ // all. Still, I have mentioned the case, of all scores being
+ // losing mate scores, but one is not. This move will be good
+ // to try first. I have seen this, by investigating multi MB
+ // large tree dumps, so it is not only there in theory. Often,
+ // even with fail soft, I of course will also get multiple
+ // moves with the same score (alpha). But then one can see the
+ // "best" move as an additional killer move. It was most
+ // probably the killer move anyway, when this position was
+ // visited the last time. I cannot see a reason, why trying
+ // such a move early could hurt. And I do see reductions of
+ // tree sizes. I don't try upper-bound moves first. I try them
+ // (more or less) after the good captures, and together with
+ // the killer moves, but before history moves."
+ // --Ed Schroder
+ StoreUpperBound(pos, iBestScore, uDepth, fThreat);
+ }
+
+ end:
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBestScore) || WE_SHOULD_STOP_SEARCHING);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ DTLeaveNode(ctx, FALSE, iBestScore, mvBest);
+ return(iBestScore);
+}
+
+
+/**
+
+Routine description:
+
+ This routine is called by QSearch, the select part of the
+ recursive search code. Its job is to determine if a move
+ generated is worth searching.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : searcher context
+ ULONG uMoveNum : the move number we are considering
+ SCORE iFutility : the futility line
+
+Return value:
+
+ FLAG : TRUE if the move is worth considering,
+ FALSE if it can be skipped
+
+**/
+static FLAG INLINE
+_ShouldWeConsiderThisMove(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uMoveNum,
+ IN SCORE iFutility,
+ IN FLAG fGeneratedChecks)
+{
+ MOVE mvLast = ctx->sPlyInfo[ctx->uPly - 1].mv;
+ MOVE mv = ctx->sMoveStack.mvf[uMoveNum].mv;
+ ULONG uColor;
+ SCORE i;
+
+ ASSERT(!IS_CHECKING_MOVE(mvLast));
+ ASSERT(!InCheck(&(ctx->sPosition), ctx->sPosition.uToMove));
+
+ if (IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ // IDEA: if mvLast was a promotion, try everything here?
+
+ // Don't consider promotions to anything but queens unless
+ // it's a knight and we are going for a knockout.
+ if ((mv.pPromoted) && (!IS_QUEEN(mv.pPromoted)))
+ {
+ if (!IS_KNIGHT(mv.pPromoted) ||
+ !IS_CHECKING_MOVE(mv) ||
+ (FALSE == fGeneratedChecks))
+ {
+ return(FALSE);
+ }
+ }
+
+ i = ctx->sMoveStack.mvf[uMoveNum].iValue;
+ if (i >= SORT_THESE_FIRST)
+ {
+ i &= STRIP_OFF_FLAGS;
+ ASSERT(i >= 0);
+ if (mv.pCaptured)
+ {
+ // If there are very few pieces left on the board,
+ // consider all captures because we could be, for
+ // example, taking the guy's last pawn and forcing a
+ // draw. Even though the cap looks futile the draw
+ // might save the game...
+ uColor = GET_COLOR(mv.pCaptured);
+ ASSERT(OPPOSITE_COLORS(ctx->sPosition.uToMove, uColor));
+ if ((IS_PAWN(mv.pCaptured) &&
+ ctx->sPosition.uPawnCount[uColor] == 1) ||
+ (!IS_PAWN(mv.pCaptured) &&
+ ctx->sPosition.uNonPawnCount[uColor][0] == 2))
+ {
+ return(TRUE);
+ }
+
+ // Also always consider "dangerous pawn" captures.
+ if (IS_PAWN(mv.pMoved) &&
+ (((GET_COLOR(mv.pMoved) == WHITE) && RANK7(mv.cTo)) ||
+ ((GET_COLOR(mv.pMoved) == BLACK) && RANK2(mv.cTo))))
+ {
+ return(TRUE);
+ }
+
+ // Don't trust the SEE alone for alpha pruning decisions.
+ i = MAXU(i, PIECE_VALUE(mv.pCaptured));
+
+ // Also try hard not to prune recaps, the bad trade
+ // penalty can make them look "futile" sometimes.
+ if ((PIECE_VALUE(mv.pCaptured) ==
+ PIECE_VALUE(mvLast.pCaptured)) &&
+ (i + 200 > iFutility))
+ {
+ return(TRUE);
+ }
+ }
+
+ // Otherwise, even if a move is even/winning, make sure it
+ // brings the score up to at least somewhere near alpha.
+ if (i > iFutility)
+ {
+ return(TRUE);
+ }
+ }
+
+ // If we get here the move was either a losing capture/prom
+ // that checked or a "futile" winning capture/prom that may or
+ // may not check. Be more willing to play checking captures
+ // even if they look bad.
+ if (IS_CHECKING_MOVE(mv) && (TRUE == fGeneratedChecks))
+ {
+ return(iFutility < +VALUE_ROOK);
+ }
+ }
+ else
+ {
+ // If we get here we have a checking move that does not
+ // capture anything or promote anything. We are interested in
+ // these to some depth.
+ ASSERT(IS_CHECKING_MOVE(mv));
+ ASSERT(TRUE == fGeneratedChecks);
+
+ // IDEA: don't play obviously losing checks if we are already
+ // way below alpha.
+ if (iFutility < +VALUE_BISHOP)
+ {
+ return(TRUE);
+ }
+ return(SEE(&ctx->sPosition, mv) >= 0);
+ }
+ return(FALSE);
+}
+
+
+/**
+
+Routine description:
+
+ Side to move is in check and may or may not have had a chance to
+ stand pat at a qnode above this point. Search all legal check
+ evasions and return a mate-in-n score if this is checkmate.
+ Possibly extend the depth to which we generate checks under this
+ node. If there's a stand pat qnode above us the mate-in-n will be
+ weeded out.
+
+Parameters:
+
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta
+
+Return value:
+
+ SCORE
+
+**/
+SCORE
+QSearchFromCheckNoStandPat(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta)
+{
+ POSITION *pos = &ctx->sPosition;
+ CUMULATIVE_SEARCH_FLAGS *pf = &ctx->sSearchFlags;
+ ULONG x, uMoveCount;
+ SCORE iBestScore = MATED_SCORE(ctx->uPly);
+ SCORE iScore;
+ MOVE mv;
+ ULONG uLegalMoves = 0;
+ ULONG uQsearchCheckExtension = 0;
+
+ ASSERT(InCheck(pos, pos->uToMove));
+ GenerateMoves(ctx, NULLMOVE, GENERATE_ESCAPES);
+ uMoveCount = MOVE_COUNT(ctx, ctx->uPly);
+ if (uMoveCount > 0)
+ {
+ // Consider extending the number of qsearch plies we consider
+ // non-capture checks at during this line.
+ if ((pf->fCouldStandPat[pos->uToMove] == FALSE) &&
+ (pf->uQsearchDepth < g_uIterateDepth / 2) &&
+ (CountKingSafetyDefects(pos, pos->uToMove) > 1))
+ {
+ if (uMoveCount == 1) {
+ uQsearchCheckExtension = 2;
+ INC(ctx->sCounters.extension.uQExtend);
+ } else if ((uMoveCount == 2) ||
+ (NUM_KING_MOVES(ctx, ctx->uPly) == 0) ||
+ (NUM_CHECKING_PIECES(ctx, ctx->uPly) > 1)) {
+ uQsearchCheckExtension = 1;
+ INC(ctx->sCounters.extension.uQExtend);
+ }
+ ctx->sPlyInfo[ctx->uPly].iExtensionAmount = uQsearchCheckExtension;
+ }
+ }
+
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ SelectBestNoHistory(ctx, x);
+ mv = ctx->sMoveStack.mvf[x].mv;
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+#ifdef DEBUG
+ ASSERT(0 == (ctx->sMoveStack.mvf[x].bvFlags & MVF_MOVE_SEARCHED));
+ ctx->sMoveStack.mvf[x].bvFlags |= MVF_MOVE_SEARCHED;
+#endif
+
+ // Note: no selectivity at in-check nodes; search every reply.
+ // IDEA: prune if the side in check could have stood pat before.
+ if (MakeMove(ctx, mv))
+ {
+ uLegalMoves++;
+ pf->uQsearchNodes++;
+ pf->uQsearchDepth++;
+ ASSERT(uQsearchCheckExtension < 3);
+ pf->uQsearchCheckDepth += uQsearchCheckExtension;
+ ASSERT(pf->uQsearchDepth > 0);
+ iScore = -QSearch(ctx,
+ -iBeta,
+ -iAlpha);
+ pf->uQsearchCheckDepth -= uQsearchCheckExtension;
+ pf->uQsearchDepth--;
+ UnmakeMove(ctx, mv);
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ iBestScore = iScore;
+ goto end;
+ }
+
+ if (iScore > iBestScore)
+ {
+ iBestScore = iScore;
+ ctx->sPlyInfo[ctx->uPly].mvBest = mv;
+ if (iScore > iAlpha)
+ {
+ if (iScore >= iBeta)
+ {
+ KEEP_TRACK_OF_FIRST_MOVE_FHs(uLegalMoves == 1);
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+ goto end;
+ }
+ else
+ {
+ UpdatePV(ctx, mv);
+ StoreExactScore(mv, pos, iScore, 0, FALSE, ctx->uPly);
+ iAlpha = iScore;
+ }
+ }
+ }
+ }
+ }
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+
+ end:
+ ASSERT((uLegalMoves > 0) || (iBestScore <= -NMATE));
+ ASSERT(IS_VALID_SCORE(iBestScore) || WE_SHOULD_STOP_SEARCHING);
+ return(iBestScore);
+}
+
+
+
+/**
+
+Routine description:
+
+ The QSearch (Quiescence Search) is a selective search called when
+ there is no remaining depth in Search. Its job is to search only
+ moves that stabilize the position -- once it is quiescence (quiet)
+ we will run a static evaluation on it and return the score.
+
+ This branch of the QSearch is called when the side to move is in
+ danger somehow -- either he has two pieces en prise on the board
+ or some piece that seems trapped. We do not allow him an
+ opportunity to stand pat in this position.
+
+Parameters:
+
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta
+ IN SCORE iEval
+
+Return value:
+
+ SCORE
+
+**/
+SCORE
+QSearchInDangerNoStandPat(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta)
+{
+ POSITION *pos = &ctx->sPosition;
+ CUMULATIVE_SEARCH_FLAGS *pf = &ctx->sSearchFlags;
+ ULONG x;
+ FLAG fIncludeChecks;
+ SCORE iBestScore = iAlpha;
+ SCORE iScore;
+ SCORE iFutility;
+ SCORE iEval = GetRoughEvalScore(ctx, iAlpha, iBeta, TRUE);
+ MOVE mv;
+ ULONG uLegalMoves = 0;
+ static ULONG _WhatToGen[] =
+ {
+ GENERATE_CAPTURES_PROMS,
+ GENERATE_CAPTURES_PROMS_CHECKS
+ };
+
+
+ // Set futility:
+ //
+ // iEval + move_value + margin < alpha
+ // move_value < alpha - margin - iEval
+ iFutility = 0;
+ if (iAlpha < +NMATE)
+ {
+ iFutility = (iAlpha -
+ (FUTILITY_BASE_MARGIN + ctx->uPositional) -
+ iEval);
+ iFutility = MAX0(iFutility);
+ }
+
+ // We suspect that the guy on move is in sad shape if we're
+ // here... he has more than one piece en prise or he seems to
+ // have a piece trapped. Allow him to play checks in order to try
+ // to save the situation.
+ ASSERT(!InCheck(pos, pos->uToMove));
+ fIncludeChecks = (pf->uQsearchDepth < g_uIterateDepth / 3);
+ GenerateMoves(ctx, NULLMOVE, _WhatToGen[fIncludeChecks]);
+
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ SelectBestNoHistory(ctx, x);
+ mv = ctx->sMoveStack.mvf[x].mv;
+#ifdef DEBUG
+ ASSERT(0 == (ctx->sMoveStack.mvf[x].bvFlags & MVF_MOVE_SEARCHED));
+ ctx->sMoveStack.mvf[x].bvFlags |= MVF_MOVE_SEARCHED;
+#endif
+
+ // Prune except when pruning all moves could cause us to return
+ // -INFINITY (mated) erroneously.
+ if (iAlpha > -INFINITY)
+ {
+ if (ctx->sMoveStack.mvf[x].iValue <= 0)
+ {
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE | VERIFY_AFTER));
+ goto end;
+ }
+ if (FALSE == _ShouldWeConsiderThisMove(ctx,
+ x,
+ iFutility,
+ TRUE))
+ {
+ continue;
+ }
+ }
+
+ if (FALSE == fIncludeChecks)
+ {
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+ }
+
+ if (MakeMove(ctx, mv))
+ {
+ uLegalMoves++;
+ pf->uQsearchNodes++;
+ pf->uQsearchDepth++;
+ iScore = -QSearch(ctx,
+ -iBeta,
+ -iAlpha);
+ pf->uQsearchDepth--;
+ UnmakeMove(ctx, mv);
+
+ if (iScore > iBestScore)
+ {
+ iBestScore = iScore;
+ ctx->sPlyInfo[ctx->uPly].mvBest = mv;
+ if (iScore > iAlpha)
+ {
+ if (iScore >= iBeta)
+ {
+ KEEP_TRACK_OF_FIRST_MOVE_FHs(uLegalMoves == 1);
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+ goto end;
+ }
+ else
+ {
+ UpdatePV(ctx, mv);
+ StoreExactScore(mv, pos, iScore, 0, FALSE, ctx->uPly);
+ iAlpha = iScore;
+ }
+ }
+ }
+ if (WE_SHOULD_STOP_SEARCHING) goto end;
+ }
+ }
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+
+ end:
+ // If iAlpha is -INFINITY and side on move has no captures,
+ // promotes or checks then we must make up a "stand pat" score
+ // here. We don't want to let him stand pat with iEval because
+ // the board looks dangerous. But we likewise don't want to say
+ // "mated" because he's not.
+ ASSERT((uLegalMoves > 0) || (iBestScore == iAlpha));
+ if (iBestScore == -INFINITY)
+ {
+ ASSERT(iAlpha == -INFINITY);
+ iBestScore = iEval - VALUE_QUEEN;
+ }
+ ASSERT(IS_VALID_SCORE(iBestScore) || WE_SHOULD_STOP_SEARCHING);
+ return(iBestScore);
+}
+
+
+/**
+
+Routine description:
+
+ The QSearch (Quiescence Search) is a selective search called when
+ there is no remaining depth in Search. Its job is to search only
+ moves that stabilize the position -- once it is quiescence (quiet)
+ we will run a static evaluation on it and return the score.
+
+ TODO: experiment with probing and storing in the hash table here.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : the searcher context
+ SCORE iAlpha : lowerbound of search window
+ SCORE iBeta : upperbound of search window
+
+Return value:
+
+ SCORE : a score
+
+**/
+SCORE FASTCALL
+QSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta)
+{
+ POSITION *pos = &ctx->sPosition;
+ CUMULATIVE_SEARCH_FLAGS *pf = &ctx->sSearchFlags;
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ MOVE mvLast = (pi-1)->mv;
+ MOVE mv;
+ SCORE iBestScore;
+ SCORE iScore;
+ SCORE iEval;
+ SCORE iFutility;
+ ULONG x;
+ ULONG uLegalMoves;
+ FLAG fIncludeChecks;
+ FLAG fOrigStandPat = ctx->sSearchFlags.fCouldStandPat[pos->uToMove];
+ static ULONG _WhatToGen[] =
+ {
+ GENERATE_CAPTURES_PROMS,
+ GENERATE_CAPTURES_PROMS_CHECKS
+ };
+
+#ifdef DEBUG
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(ctx->uPly > 0);
+ ASSERT(TRUE == pi->fInQsearch);
+ memcpy(&pi->sPosition, pos, sizeof(POSITION));
+#endif
+
+ INC(ctx->sCounters.tree.u64QNodeCount);
+ pi->iExtensionAmount = 0;
+ if (TRUE == CommonSearchInit(ctx,
+ &iAlpha,
+ &iBeta,
+ &iBestScore))
+ {
+ goto end;
+ }
+ DTEnterNode(ctx, 0, TRUE, iAlpha, iBeta);
+
+ // Probe interior node recognizers; do not allow probes into ondisk
+ // EGTB files since we are in qsearch.
+ switch(RecognLookup(ctx, &iScore, FALSE))
+ {
+ case UNRECOGNIZED:
+ break;
+ case RECOGN_EXACT:
+ case RECOGN_EGTB:
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ UpdatePV(ctx, RECOGNMOVE);
+ }
+ iBestScore = iScore;
+ goto end;
+ case RECOGN_LOWER:
+ if (iScore >= iBeta)
+ {
+ iBestScore = iScore;
+ goto end;
+ }
+ break;
+ case RECOGN_UPPER:
+ if (iScore <= iAlpha)
+ {
+ iBestScore = iScore;
+ goto end;
+ }
+ break;
+#ifdef DEBUG
+ default:
+ ASSERT(FALSE);
+#endif
+ }
+
+ // If the side is in check, don't let him stand pat. Search every
+ // reply to check and return a MATE score if applicable. If the
+ // side had a chance to stand pat above then the MATE score will
+ // be disregarded there since it's not forced.
+ if (IS_CHECKING_MOVE(mvLast))
+ {
+ ASSERT(InCheck(pos, pos->uToMove));
+ iBestScore = QSearchFromCheckNoStandPat(ctx, iAlpha, iBeta);
+ goto end;
+ }
+ ASSERT(!InCheck(pos, pos->uToMove));
+
+ // Even if the side is not in check, do not let him stand pat if
+ // his position looks dangerous (i.e. more than one piece en prise
+ // or a piece trapped). Fail low if there's nothing that looks
+ // good on this line.
+ if (SideCanStandPat(pos, pos->uToMove) == FALSE)
+ {
+ iBestScore = QSearchInDangerNoStandPat(ctx, iAlpha, iBeta);
+ goto end;
+ }
+
+ // If we get here then side on move is not in check and this
+ // position looks ok enough to allow him the option to stand pat
+ // -or- we missed when we probed the dangerhash. Also remember
+ // that this side has had the option to stand pat when searching
+ // below this point.
+ uLegalMoves = 0;
+ iEval = iBestScore = Eval(ctx, iAlpha, iBeta);
+ if (iBestScore > iAlpha)
+ {
+ iAlpha = iBestScore;
+ ASSERT(ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly].uMove == 0);
+ ASSERT(pi->mvBest.uMove == 0);
+ if (iBestScore >= iBeta)
+ {
+ goto end;
+ }
+ }
+ ctx->sSearchFlags.fCouldStandPat[pos->uToMove] = TRUE;
+
+ // He did not choose to stand pat here; we will be generating
+ // moves and searching recursively. Compute a futility score:
+ // any move less than this will not be searched because it will
+ // just cause a lazy eval answer; is has no shot to bring the
+ // score close enough to alpha to even consider.
+ //
+ // iEval + move_value + margin < alpha
+ // move_value < alpha - margin - iEval
+ iFutility = 0;
+ if (iAlpha < +NMATE)
+ {
+ iFutility = iAlpha - (FUTILITY_BASE_MARGIN + ctx->uPositional) - iEval;
+ iFutility = MAX0(iFutility);
+ }
+
+ // We know we are not in check. Generate moves (including checks
+ // if we are below the threshold and the other side has never been
+ // allowed to stand pat). Recurse.
+ fIncludeChecks = ((pf->uQsearchDepth < pf->uQsearchCheckDepth) &&
+ (pf->fCouldStandPat[FLIP(pos->uToMove)] == FALSE) &&
+ (pos->uNonPawnMaterial[pos->uToMove] >
+ (VALUE_KING + VALUE_BISHOP)));
+ GenerateMoves(ctx, NULLMOVE, _WhatToGen[fIncludeChecks]);
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ SelectBestNoHistory(ctx, x);
+ if (ctx->sMoveStack.mvf[x].iValue <= 0)
+ {
+ // We are only intersted in winning/even captures/promotions
+ // and (if fIncludeChecks is TRUE) some checking moves too.
+ // If we see a move whose value is zero, the rest of the moves
+ // in this ply can be tossed.
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE | VERIFY_AFTER));
+ ASSERT(iBestScore > -NMATE);
+ goto end;
+ }
+ mv = ctx->sMoveStack.mvf[x].mv;
+#ifdef DEBUG
+ ASSERT(0 == (ctx->sMoveStack.mvf[x].bvFlags & MVF_MOVE_SEARCHED));
+ ctx->sMoveStack.mvf[x].bvFlags |= MVF_MOVE_SEARCHED;
+#endif
+
+ if (FALSE == _ShouldWeConsiderThisMove(ctx,
+ x,
+ iFutility,
+ fIncludeChecks))
+ {
+ continue;
+ }
+
+ // If fIncludeChecks is FALSE then we still need to see if
+ // this move is going to check the opponent; GenerateMoves
+ // didn't do it for us to save time in the event of a fail
+ // high.
+ if (FALSE == fIncludeChecks)
+ {
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+ }
+
+ if (MakeMove(ctx, mv))
+ {
+ uLegalMoves++;
+ pf->uQsearchNodes++;
+ pf->uQsearchDepth++;
+ ASSERT(pf->uQsearchDepth > 0);
+ iScore = -QSearch(ctx,
+ -iBeta,
+ -iAlpha);
+ pf->uQsearchDepth--;
+ UnmakeMove(ctx, mv);
+
+ if (iScore > iBestScore)
+ {
+ iBestScore = iScore;
+ pi->mvBest = mv;
+
+ if (iScore > iAlpha)
+ {
+ if (iScore >= iBeta)
+ {
+ KEEP_TRACK_OF_FIRST_MOVE_FHs(uLegalMoves == 1);
+ ASSERT(iBestScore > -NMATE);
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+ goto end;
+ }
+ else
+ {
+ UpdatePV(ctx, mv);
+ StoreExactScore(mv, pos, iScore, 0, FALSE, ctx->uPly);
+ iAlpha = iScore;
+
+ // Readjust futility margin here; it can be wider now.
+ if (iAlpha < +NMATE)
+ {
+ iFutility = (iAlpha -
+ (FUTILITY_BASE_MARGIN +
+ ctx->uPositional) -
+ iEval);
+ iFutility = MAX0(iFutility);
+ }
+ }
+ }
+ }
+ if (WE_SHOULD_STOP_SEARCHING) goto end;
+ }
+ }
+ ASSERT(iBestScore > -NMATE);
+ ASSERT(SanityCheckMoves(ctx, x, VERIFY_BEFORE));
+
+ end:
+ ctx->sSearchFlags.fCouldStandPat[pos->uToMove] = fOrigStandPat;
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ ASSERT(IS_VALID_SCORE(iBestScore) || WE_SHOULD_STOP_SEARCHING);
+ DTLeaveNode(ctx, TRUE, iBestScore, pi->mvBest);
+ return(iBestScore);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ searchsup.c
+
+Abstract:
+
+ Search support routines. See also search.c, root.c, and split.c.
+
+Author:
+
+
+Revision History:
+
+**/
+
+#include "chess.h"
+
+extern SCORE g_iRootScore[2];
+extern ULONG g_uHardExtendLimit;
+extern ULONG g_uIterateDepth;
+
+void
+UpdatePV(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv)
+/**
+
+Routine description:
+
+ Update the principle variation at this depth.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv
+
+Return value:
+
+ void
+
+**/
+{
+ PLY_INFO *this = &(ctx->sPlyInfo[ctx->uPly]);
+ PLY_INFO *next = (this + 1);
+ ULONG u = ctx->uPly;
+
+ ASSERT(u < MAX_PLY_PER_SEARCH);
+ this->PV[u] = mv;
+ u++;
+ while(u < MAX_PLY_PER_SEARCH)
+ {
+ this->PV[u] = next->PV[u];
+ if (0 == this->PV[u].uMove)
+ {
+ break;
+ }
+ u++;
+ }
+}
+
+
+FLAG
+CheckInputAndTimers(IN SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ This code is called from search when the total number of nodes
+ searched is a multiple of g_MoveTimer.uNodeCheckMask. Its job is
+ to check for user input waiting on the input queue and to check to
+ see if we are over a time limit.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static FLAG : TRUE if the search should terminate and unroll,
+ FALSE if the search can continue
+
+**/
+{
+ double dTimeStamp;
+
+ //
+ // See if there's user input to process.
+ //
+ if ((ctx->uThreadNumber == 0) && (NumberOfPendingInputEvents() != 0))
+ {
+ ParseUserInput(TRUE);
+
+ //
+ // If the user input can be handled in the middle of the
+ // search then it will have been. If it cannot be handled
+ // without stopping the search then ParseUserInput will flip
+ // this bit in the MoveTimer to tell us (any any other
+ // searcher threads) to stop and unroll.
+ //
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ return(TRUE);
+ }
+ }
+
+ //
+ // Also check time limits now.
+ //
+ if (-1 != g_MoveTimer.dSoftTimeLimit)
+ {
+ dTimeStamp = SystemTimeStamp();
+ if ((g_MoveTimer.bvFlags & TIMER_CURRENT_OBVIOUS) ||
+ (g_MoveTimer.bvFlags & TIMER_CURRENT_WONT_UNBLOCK))
+ {
+ Trace("OBVIOUS MOVE / WON'T UNBLOCK --> stop searching now\n");
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ return(TRUE);
+ }
+
+ if (dTimeStamp > g_MoveTimer.dSoftTimeLimit)
+ {
+ //
+ // If we have exceeded the soft time limit, move now unless...
+ //
+ if ((!(g_MoveTimer.bvFlags & TIMER_JUST_OUT_OF_BOOK)) &&
+ (!(g_MoveTimer.bvFlags & TIMER_ROOT_POSITION_CRITICAL)) &&
+ (!(g_MoveTimer.bvFlags & TIMER_RESOLVING_ROOT_FL)) &&
+ (!(g_MoveTimer.bvFlags & TIMER_RESOLVING_ROOT_FH)) &&
+ (!(g_MoveTimer.bvFlags & TIMER_MANY_ROOT_FLS)) &&
+ (g_MoveTimer.bvFlags & TIMER_SEARCHING_FIRST_MOVE))
+ {
+ Trace("SOFT TIMER (%3.1f sec) --> "
+ "stop searching now\n",
+ dTimeStamp - g_MoveTimer.dStartTime);
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ return(TRUE);
+ }
+ }
+
+ //
+ // If we have exceeded the hard limit, we have to move no matter
+ // what.
+ //
+ if (dTimeStamp > g_MoveTimer.dHardTimeLimit)
+ {
+ Trace("HARD TIMER (%3.1f sec) --> "
+ "stop searching now\n",
+ dTimeStamp - g_MoveTimer.dStartTime);
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ return(TRUE);
+ }
+ }
+
+ //
+ // Also check raw node count limit here.
+ //
+ if (g_Options.u64MaxNodeCount != 0ULL &&
+ ctx->sCounters.tree.u64TotalNodeCount > g_Options.u64MaxNodeCount)
+ {
+ Trace("NODE COUNT LIMIT (limit %llu, searched %llu) "
+ "--> stop searching now\n", g_Options.u64MaxNodeCount,
+ ctx->sCounters.tree.u64TotalNodeCount);
+ g_MoveTimer.bvFlags |= TIMER_STOPPING;
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+FLAG
+ThreadUnderTerminatingSplit(IN SEARCHER_THREAD_CONTEXT *ctx)
+{
+ ULONG u;
+
+ for (u = 0; u < NUM_SPLIT_PTRS_IN_CONTEXT; u++)
+ {
+ if (ctx->pSplitInfo[u] != NULL)
+ {
+ if (ctx->pSplitInfo[u]->fTerminate == TRUE) return(TRUE);
+ return(FALSE);
+ }
+ }
+ return(FALSE);
+}
+
+
+FLAG
+WeShouldDoHistoryPruning(IN SCORE iRoughEval,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uRemainingDepth,
+ IN ULONG uLegalMoves,
+ IN MOVE mv,
+ IN ULONG uMoveNum,
+ IN INT iExtend)
+/**
+
+Routine description:
+
+ Decide whether or not to do history pruning at this node for the
+ given move. Note: this function is called after the move has
+ been played on the board.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uRemainingDepth,
+ ULONG uLegalMoves,
+ MOVE mv,
+ INT iExtend
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ASSERT(ctx->uPly > 0);
+ ASSERT(mv.uMove);
+ ASSERT((uMoveNum > 0) || (uLegalMoves == 0));
+ if ((uRemainingDepth >= TWO_PLY) &&
+ (iBeta == (iAlpha + 1)) &&
+ (uLegalMoves > 5) &&
+ (0 == iExtend) &&
+// (iRoughEval + ComputeMoveScore(ctx, mv, uMoveNum - 1) + 200 < iAlpha) &&
+ (!IS_ESCAPING_CHECK(mv)) &&
+ (!IS_CAPTURE_OR_PROMOTION(mv)) &&
+ (!IS_CHECKING_MOVE(mv)) &&
+ (!IS_SAME_MOVE(mv, ctx->mvKiller[ctx->uPly-1][0])) &&
+ (!IS_SAME_MOVE(mv, ctx->mvKiller[ctx->uPly-1][1])) &&
+ ((ctx->uPly < 3) ||
+ (!IS_SAME_MOVE(mv, ctx->mvKiller[ctx->uPly-3][0]) &&
+ !IS_SAME_MOVE(mv, ctx->mvKiller[ctx->uPly-3][1]))) &&
+ (GetMoveFailHighPercentage(mv) <= 10))
+ {
+ ASSERT(!InCheck(&ctx->sPosition, ctx->sPosition.uToMove));
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+SCORE
+ComputeMoveScore(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv,
+ IN ULONG uMoveNum)
+{
+ SCORE iMoveScore = (PIECE_VALUE(mv.pCaptured) +
+ PIECE_VALUE(mv.pPromoted));
+ if (uMoveNum != (ULONG)-1)
+ {
+ ASSERT(uMoveNum < MAX_MOVE_STACK);
+ ASSERT(IS_SAME_MOVE(mv, ctx->sMoveStack.mvf[uMoveNum].mv));
+ iMoveScore = ctx->sMoveStack.mvf[uMoveNum].iValue;
+ if (iMoveScore >= SORT_THESE_FIRST)
+ {
+ ASSERT(iMoveScore > 0);
+ iMoveScore &= STRIP_OFF_FLAGS;
+ }
+ else
+ {
+ iMoveScore = MIN0(iMoveScore);
+ }
+ }
+ return(iMoveScore);
+}
+
+
+void
+ComputeMoveExtension(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta,
+ IN ULONG uMoveNum,
+ IN SCORE iRoughEval,
+ IN ULONG uDepth,
+ IN OUT INT *piExtend)
+/**
+
+Routine description:
+
+ This routine is called by Search and by HelpSearch (in split.c).
+ It's job is to assign a move-based extension for the move mv.
+ This extension should be between -ONE_PLY (reduction) and +ONE_PLY
+ (extension).
+
+ Note: this code is executed after the move has already been played
+ on the board!
+
+Parameters:
+
+ IN SEARCHER_THREAD_CONTEXT *ctx : the searcher thread's context
+ IN SCORE iAlpha : current alpha
+ IN SCORE iBeta : current beta
+ IN ULONG uMoveNum : move number in stack
+ IN ULONG uDepth : remaining depth
+ IN OUT INT *piExtend : extension amount (in/out)
+
+Return value:
+
+ void
+
+**/
+{
+ static const SCORE _window[MAX_PLY_PER_SEARCH] = {
+ -1, -1, 500, 500, 425, 425, 350, 350, 275, 275, 200, 200, // 0..11
+ 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, // 12..23
+ 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, // 24..35
+ 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, // 36..47
+ 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, // 48..59
+ 150, 150, 150, 150 // 60..63
+ };
+ POSITION *pos = &ctx->sPosition;
+ MOVE mvLast = ctx->sPlyInfo[ctx->uPly-2].mv;
+ MOVE mv = ctx->sPlyInfo[ctx->uPly-1].mv;
+ ULONG uColor = GET_COLOR(mv.pMoved);
+ SCORE iMoveScore;
+#ifdef DEBUG
+ int iM;
+
+ //
+ // Preconditions
+ //
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(ctx->uPly >= 2);
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+ ASSERT(mv.uMove);
+ ASSERT(*piExtend >= 0);
+#endif
+
+ // Checking move extension.
+ if (IS_CHECKING_MOVE(mv))
+ {
+ ASSERT(InCheck(pos, pos->uToMove));
+ INC(ctx->sCounters.extension.uCheck);
+ *piExtend += ONE_PLY;
+ if (pos->uNonPawnMaterial[FLIP(pos->uToMove)] >
+ (VALUE_KING + VALUE_BISHOP))
+ {
+ goto enforce_ceiling;
+ }
+ *piExtend -= THREE_QUARTERS_PLY;
+ }
+
+ // Pawn push extension
+ if (IS_PAWN(mv.pMoved))
+ {
+ if (((GET_COLOR(mv.pMoved) == WHITE) && RANK7(mv.cTo)) ||
+ ((GET_COLOR(mv.pMoved) == BLACK) && RANK2(mv.cTo)))
+ {
+ *piExtend += THREE_QUARTERS_PLY;
+ if (DISTANCE(pos->cNonPawns[GET_COLOR(mv.pMoved)][0], mv.cTo) < 3)
+ {
+ *piExtend += QUARTER_PLY;
+ }
+ INC(ctx->sCounters.extension.uPawnPush);
+ goto enforce_ceiling;
+ }
+ }
+
+ // Responses to check extensions:
+ if (IS_CHECKING_MOVE(mvLast))
+ {
+ ASSERT(IS_ESCAPING_CHECK(mv));
+ iMoveScore = iRoughEval + ComputeMoveScore(ctx, mv, uMoveNum);
+
+ // One legal move in reply to check...
+ if (ONE_LEGAL_MOVE(ctx, ctx->uPly - 1) &&
+ CountKingSafetyDefects(&ctx->sPosition, uColor) > 1)
+ {
+ *piExtend += (QUARTER_PLY +
+ HALF_PLY *
+ (iMoveScore + VALUE_KNIGHT > iAlpha));
+ INC(ctx->sCounters.extension.uOneLegalMove);
+ }
+
+ // Singular response to check...
+ if ((mv.pCaptured) &&
+ (iRoughEval + 225 < iAlpha) &&
+ (iMoveScore + 75 > iAlpha))
+ {
+ *piExtend += ONE_PLY;
+ INC(ctx->sCounters.extension.uSingularReplyToCheck);
+ goto enforce_ceiling;
+ }
+ }
+
+ // These last ones only happen if we are close to the root score.
+ ASSERT(_window[ctx->uPly] > 0);
+ if ((iRoughEval >= (g_iRootScore[uColor] - _window[ctx->uPly] * 2)) &&
+ (iRoughEval <= (g_iRootScore[uColor] + _window[ctx->uPly] * 2)))
+ {
+ // Endgame extension
+ if ((ctx->sPlyInfo[1].uTotalNonPawns > 2) &&
+ ((pos->uNonPawnCount[BLACK][0] +
+ pos->uNonPawnCount[WHITE][0]) == 2))
+ {
+ if ((mv.pCaptured && !IS_PAWN(mv.pCaptured)) ||
+ (mvLast.pCaptured && !IS_PAWN(mvLast.pCaptured)))
+ {
+ *piExtend += HALF_PLY;
+ INC(ctx->sCounters.extension.uEndgame);
+ }
+ }
+
+ // Recapture extension
+ if ((iRoughEval >= (g_iRootScore[uColor] - _window[ctx->uPly])) &&
+ (iRoughEval <= (g_iRootScore[uColor] + _window[ctx->uPly])))
+ {
+ if (uDepth <= THREE_PLY)
+ {
+ if ((mv.pCaptured) && !IS_PAWN(mv.pCaptured) &&
+ ((PIECE_VALUE(mv.pCaptured) ==
+ PIECE_VALUE(mvLast.pCaptured)) ||
+ ((mvLast.pPromoted) && (mv.cTo == mvLast.cTo))))
+ {
+ iMoveScore = ComputeMoveScore(ctx, mv, uMoveNum);
+ if (iMoveScore >= 0)
+ {
+ *piExtend += HALF_PLY;
+ INC(ctx->sCounters.extension.uRecapture);
+ }
+ }
+ }
+ }
+ }
+
+ enforce_ceiling:
+
+ // Don't let extensions add up to > 1 ply
+#ifdef DEBUG
+ iM = MIN(ONE_PLY, *piExtend);
+#endif
+ ASSERT(!(*piExtend & 0x80000000));
+ *piExtend = MINU(ONE_PLY, *piExtend);
+ ASSERT(iM == *piExtend);
+
+ // Scale back extensions that are very far from the root:
+ //
+ // Iterate g_Soft g_Hard
+ // | | | | | | | | |
+ // 0 1 2 3/2 3 4 (x Iterate)
+ // |-------------------|----|----|---------|----...
+ // |full full full full|-1/4|-1/2|-3/4 -3/4|none...
+ ASSERT(ctx->uPly != 0);
+ ASSERT(ctx->uPly <= MAX_PLY_PER_SEARCH);
+ *piExtend -= g_uExtensionReduction[ctx->uPly-1];
+#ifdef DEBUG
+ iM = MAX(0, *piExtend);
+#endif
+ *piExtend = MAX0(*piExtend);
+ ASSERT(iM == *piExtend);
+ ctx->sPlyInfo[ctx->uPly-1].iExtensionAmount = *piExtend;
+ ASSERT((0 <= *piExtend) && (*piExtend <= ONE_PLY));
+}
+
+
+
+
+#ifdef DO_IID
+SCORE
+RescoreMovesViaSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uDepth,
+ IN SCORE iAlpha,
+ IN SCORE iBeta)
+/**
+
+Routine description:
+
+ This is my implementation of "internal iterative deepening". It's
+ not really IID because it doesn't recurse on the same position.
+ This code is called when we are at a PV node and have no hash move
+ and no good capture from the generator. Instead of relying on
+ only history / killer heuristics to order the moves instead we
+ reduce the depth by two ply and search all the moves generated.
+ The scores that come out of the reduced-depth search are then used
+ to order the moves at the regular-depth search. This is somewhat
+ recursive because the first move considered by the reduced-depth
+ search may also have no hash move / good capture and invoke the
+ whole process again.
+
+Parameters:
+
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uDepth,
+ IN SCORE iAlpha,
+ IN SCORE iBeta
+
+Return value:
+
+ SCORE
+
+**/
+{
+ ULONG x;
+ MOVE mv;
+ SCORE iScore;
+ SCORE iBestScore = -INFINITY;
+ ULONG uBest;
+
+ //
+ // Preconditions
+ //
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(uDepth >= (IID_R_FACTOR + ONE_PLY));
+
+ //
+ // Compute next depth, possibly recurse
+ //
+ uDepth -= (IID_R_FACTOR + ONE_PLY);
+ if (uDepth >= (IID_R_FACTOR + ONE_PLY))
+ {
+ (void)RescoreMovesViaSearch(ctx, uDepth, iAlpha, iBeta);
+ }
+ ASSERT(uDepth < MAX_DEPTH_PER_SEARCH);
+
+ //
+ // Search the moves and remember the scores
+ //
+ for (x = uBest = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ SelectBestNoHistory(ctx, x);
+ mv = ctx->sMoveStack.mvf[x].mv;
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+ if (TRUE == MakeMove(ctx, mv))
+ {
+ if (-INFINITY == iBestScore)
+ {
+ iScore = -Search(ctx, -iBeta, -iAlpha, uDepth);
+ }
+ else
+ {
+ iScore = -Search(ctx, -iAlpha - 1, -iAlpha, uDepth);
+ if (iScore > iAlpha)
+ {
+ iScore = -Search(ctx, -iBeta, -iAlpha, uDepth);
+ }
+ }
+ UnmakeMove(ctx, mv);
+ ctx->sMoveStack.mvf[x].iValue = iScore;
+ if (iScore > iBestScore)
+ {
+ uBest = x;
+ iBestScore = iScore;
+ if (iScore >= iBeta)
+ {
+ goto end;
+ }
+ }
+ }
+ }
+
+ end:
+ //
+ // Clear the values from the current move to the end of the
+ // moves in the list so that if we failed high we don't have
+ // stale move values in the list for moves we did not search
+ // the subtrees for.
+ //
+ while(x < ctx->sMoveStack.uEnd[ctx->uPly])
+ {
+ ctx->sMoveStack.mvf[x].iValue = -INFINITY;
+ x++;
+ }
+ ctx->sMoveStack.mvf[uBest].iValue |= SORT_THESE_FIRST;
+ ASSERT(IS_VALID_SCORE(iBestScore));
+ return(iBestScore);
+}
+#endif
+
+
+FLAG
+MateDistancePruningCutoff(IN ULONG uPly,
+ IN FLAG fInCheck,
+ IN OUT SCORE *piBestScore,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta)
+/**
+
+Routine description:
+
+ This idea (shamelessly?) "borrowed" from Fruit. The idea is that
+ the worst score we can return from any node in the tree is if we
+ are in checkmate right now (indeed, if we're not in check right
+ now than the worst score we can return is mated-in-2-ply).
+
+ Likewise the best score we can return from here is mate-in-1-ply.
+ Use these facts to attempt to narrow the alpha..beta window.
+ Indeed there are some cases where we can prune this entire tree
+ branch.
+
+Parameters:
+
+ ULONG uPly : ply from root
+ FLAG InCheck : are we in check?
+ SCORE *piBestScore : pointer to bestscore
+ SCORE *piAlpha : pointer to alpha
+ SCORE *piBeta : pointer to beta
+
+Return value:
+
+ FLAG : TRUE if we can prune the branch outright, FALSE otherwise
+
+**/
+{
+ SCORE iScore = MATED_SCORE(uPly + 2 * !fInCheck);
+
+ //
+ // Do the alpha side
+ //
+ if (*piAlpha < iScore)
+ {
+ *piAlpha = iScore;
+ if (iScore >= *piBeta)
+ {
+ *piBestScore = iScore;
+ return(TRUE);
+ }
+ }
+
+ //
+ // Do the beta side
+ //
+ iScore = -1 * MATED_SCORE(uPly + 1);
+ if (iScore < *piBeta)
+ {
+ *piBeta = iScore;
+ if (iScore <= *piAlpha)
+ {
+ *piBestScore = iScore;
+ return(TRUE);
+ }
+ }
+ return(FALSE);
+}
+
+
+void
+DumpPlyInfoStack(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN SCORE iAlpha,
+ IN SCORE iBeta)
+/**
+
+Routine description:
+
+ Dump some information about the current search line; mainly here as
+ a debugging aide.
+
+ Note: this will not work on an MP searcher thread that is under a
+ split node.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : searcher context to dump
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u, v;
+ POSITION *pos = GetRootPosition();
+ CUMULATIVE_SEARCH_FLAGS *pf = &ctx->sSearchFlags;
+ char *p = PositionToFen(pos);
+ PLY_INFO *q;
+ FLAG fSeenQ = FALSE;
+ SCORE iEval;
+ static SEARCHER_THREAD_CONTEXT temp;
+
+ InitializeSearcherContext(pos, &temp);
+
+ Trace("Iterate Depth: %2u\tCurrent Ply: %2u\n", g_uIterateDepth,
+ ctx->uPly);
+ Trace("Qsearch Check: %2u\tCurrent Qdepth: %2u\n", pf->uQsearchCheckDepth,
+ pf->uQsearchDepth);
+ Trace("Current a..b: %d .. %d\n", iAlpha, iBeta);
+ if (NULL != p)
+ {
+ Trace("Root: %s\n", p);
+ SystemFreeMemory(p);
+ }
+ Trace("\n");
+ Trace("move\t number\t exten\t eval b.keval w.keval Danger Squares\n"
+ "----------------------------------------------------------------------------\n");
+
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+ for (u = 0; u < ctx->uPly; u++)
+ {
+ q = &ctx->sPlyInfo[u];
+ ASSERT(PositionsAreEquivalent(&q->sPosition, &temp.sPosition));
+
+ if ((FALSE == fSeenQ) && (q->fInQsearch == TRUE))
+ {
+ p = PositionToFen(&temp.sPosition);
+ if (NULL != p)
+ {
+ Trace("\nHorizon: %s\n\n", p);
+ SystemFreeMemory(p);
+ }
+ fSeenQ = TRUE;
+ }
+
+ Trace("%02u.%-6s ", u, MoveToSan(q->mv, &temp.sPosition));
+ for (v = ctx->sMoveStack.uBegin[u];
+ v < ctx->sMoveStack.uEnd[u];
+ v++)
+ {
+ if (IS_SAME_MOVE(q->mv, ctx->sMoveStack.mvf[v].mv))
+ {
+ Trace("%u/%u", v - ctx->sMoveStack.uBegin[u] + 1,
+ MOVE_COUNT(ctx, u));
+ }
+ }
+ Trace("\t");
+
+ if (FALSE == MakeMove(&temp, q->mv))
+ {
+ Trace("Illegal move?!\n");
+ return;
+ }
+
+ if (q->iExtensionAmount != 0)
+ {
+ Trace("%-3u\t", q->iExtensionAmount);
+ }
+ else
+ {
+ Trace(" \t");
+ }
+
+ iEval = Eval(&temp, -INFINITY, +INFINITY);
+ Trace("%5s (%+2d) | ", ScoreToString(iEval),
+ temp.sPosition.iMaterialBalance[temp.sPosition.uToMove] / 100);
+ Trace("%5s (%2u) | ",
+ ScoreToString(temp.sPlyInfo[temp.uPly].iKingScore[BLACK]),
+ CountKingSafetyDefects(&temp.sPosition, BLACK));
+ Trace("%5s (%2u) ",
+ ScoreToString(temp.sPlyInfo[temp.uPly].iKingScore[WHITE]),
+ CountKingSafetyDefects(&temp.sPosition, WHITE));
+ Trace("\n");
+ }
+
+ p = PositionToFen(&ctx->sPosition);
+ if (NULL != p)
+ {
+ Trace("\n");
+ Trace("Now: %s\n", p);
+ SystemFreeMemory(p);
+ }
+}
+
+
+FLAG
+CommonSearchInit(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta,
+ IN OUT SCORE *piScore)
+/**
+
+Routine description:
+
+ A set of common code that is called by Search and QSearch. It does
+ the following:
+
+ 1. Increment the total node counter
+ 2. Clears pi->mvBest and cDanger squares
+ 3. Possibly check for user input or timer expiration
+ 4. Checks to see if the position is a draw
+ 5. Makes sure ctx->uPly is not too deep
+ 6. Sets pi->fInCheck
+ 7. Does mate-distance pruning
+
+Parameters:
+
+ IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN OUT SCORE *piBeta,
+ IN OUT SCORE *piScore
+
+Return value:
+
+ FLAG : TRUE if the search node should be aborted (return *piScore)
+ FALSE otherwise (*piAlpha, *piBeta possibly adjusted)
+
+**/
+{
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ FLAG fRet = TRUE;
+
+ ASSERT(*piAlpha < *piBeta);
+
+ //
+ // Increment node count and see if we need to check input / timer
+ //
+ ctx->sCounters.tree.u64TotalNodeCount++;
+ ASSERT(ctx->sCounters.tree.u64TotalNodeCount > 0);
+ if ((ctx->sCounters.tree.u64TotalNodeCount &
+ g_MoveTimer.uNodeCheckMask) == 0)
+ {
+ (void)CheckInputAndTimers(ctx);
+ }
+
+ //
+ // Make sure that the time allotted to search in has not expired
+ // and (if this is an MP search) that we are still doing relevant work.
+ //
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ pi->mvBest.uMove = 0;
+ *piScore = INVALID_SCORE;
+ goto end;
+ }
+
+ //
+ // Make sure we have not exceeded max ply; note that since this
+ // is checked at the beginning of search/qsearch and if we let
+ // the past they will call MakeMove this must cut off one ply
+ // before the hard limit.
+ //
+ if ((ctx->uPly >= (MAX_PLY_PER_SEARCH - 1)) ||
+ (ctx->sSearchFlags.uQsearchDepth >= g_uHardExtendLimit))
+ {
+ *piScore = *piBeta;
+ DTTRACE("<toodeep/>");
+ goto end;
+ }
+
+ //
+ // Erase deeper killer moves
+ //
+ if (ctx->uPly + 2 < MAX_PLY_PER_SEARCH)
+ {
+ ctx->mvKiller[ctx->uPly + 2][0].uMove = 0;
+ ctx->mvKiller[ctx->uPly + 2][1].uMove = 0;
+ }
+
+ //
+ // Set fInCheck in this ply info struct
+ //
+ pi->fInCheck = (IS_CHECKING_MOVE((pi-1)->mv) != 0);
+ ASSERT((pi->fInCheck &&
+ (InCheck(&ctx->sPosition, ctx->sPosition.uToMove))) ||
+ (!pi->fInCheck &&
+ (!InCheck(&ctx->sPosition, ctx->sPosition.uToMove))));
+
+ //
+ // This code is for a debug option where I dump paths from root
+ // to leaf along with extensions and evals at each node in the
+ // path for debugging/brainstorming purposes.
+ //
+ pi->PV[ctx->uPly].uMove = 0;
+ pi->mvBest.uMove = 0;
+ pi->iExtensionAmount = 0;
+ pi->iEval = INVALID_SCORE;
+#if 0
+ if ((g_uIterateDepth > 5) &&
+ (ctx->uPly > 2.5 * g_uIterateDepth))
+ {
+ DumpPlyInfoStack(ctx, *piAlpha, *piBeta);
+ }
+#endif
+
+ //
+ // See if this position is a draw
+ //
+ if (TRUE == IsDraw(ctx))
+ {
+ INC(ctx->sCounters.tree.u64LeafCount);
+ *piScore = 0;
+ if ((*piAlpha < *piScore) && (*piScore < *piBeta))
+ {
+ UpdatePV(ctx, DRAWMOVE);
+ }
+ DTTRACE("<i bold=\"draw\"/>");
+ goto end;
+ }
+
+ //
+ // Do mate-distance pruning
+ //
+ if (TRUE == MateDistancePruningCutoff(ctx->uPly,
+ pi->fInCheck,
+ piScore,
+ piAlpha,
+ piBeta))
+ {
+ ASSERT(*piScore != -INFINITY);
+ ASSERT((*piScore <= *piAlpha) || (*piScore >= *piBeta));
+ goto end;
+ }
+#ifdef DEBUG
+ pi->iAlpha = *piAlpha;
+ pi->iBeta = *piBeta;
+#endif
+ fRet = FALSE;
+
+ end:
+ ASSERT(IS_VALID_FLAG(fRet));
+ return(fRet);
+}
+
+
+ULONG
+SelectNullmoveRFactor(SEARCHER_THREAD_CONTEXT *ctx,
+ INT uDepth)
+{
+ ULONG u = TWO_PLY;
+ ULONG uMaxPiecesPerSide = MAXU(ctx->sPosition.uNonPawnCount[WHITE][0],
+ ctx->sPosition.uNonPawnCount[BLACK][0]);
+ ASSERT(uMaxPiecesPerSide <= 16);
+
+ if ((uDepth > 8 * ONE_PLY) ||
+ ((uDepth > 6 * ONE_PLY) && (uMaxPiecesPerSide >= 3)))
+ {
+ u = THREE_PLY;
+ }
+ ASSERT((u == TWO_PLY) || (u == THREE_PLY));
+ return(u);
+}
+
+
+FLAG
+WeShouldTryNullmovePruning(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iRoughEval,
+ ULONG uNullDepth)
+{
+ static SCORE _iDistAlphaSkipNull[] = {
+ 700, 950, 1110, 1150, 1190, 1230, 1270, 0
+ };
+ POSITION *pos = &ctx->sPosition;
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ CUMULATIVE_SEARCH_FLAGS *pf = &ctx->sSearchFlags;
+ ULONG u;
+
+ ASSERT(IS_VALID_SCORE(iAlpha) && IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(IS_VALID_SCORE(iRoughEval));
+ ASSERT(uNullDepth < MAX_PLY_PER_SEARCH * ONE_PLY);
+
+ if ((FALSE == pf->fAvoidNullmove) &&
+ (pos->uNonPawnCount[pos->uToMove][0] > 2) &&
+ (FALSE == pi->fInCheck) &&
+ (iBeta != +INFINITY) &&
+ (iBeta == iAlpha + 1)) // <--- TODO: test this one please...
+ {
+ if (uNullDepth <= 6 * ONE_PLY)
+ {
+ u = uNullDepth / ONE_PLY;
+ ASSERT(u <= 6);
+ if ((iRoughEval + _iDistAlphaSkipNull[u] <= iAlpha) ||
+ ((iRoughEval + _iDistAlphaSkipNull[u] / 2 <= iAlpha) &&
+ (ValueOfMaterialInTroubleAfterNull(pos, pos->uToMove))))
+ {
+ return FALSE;
+ }
+ }
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
+FLAG
+TryNullmovePruning(SEARCHER_THREAD_CONTEXT *ctx,
+ FLAG *pfThreat,
+ SCORE iAlpha,
+ SCORE iBeta,
+ ULONG uNullDepth,
+ INT *piOrigExtend,
+ SCORE *piNullScore)
+{
+ static INT _bm_by_piece[7] = {
+ -1, -1, QUARTER_PLY, QUARTER_PLY, HALF_PLY, HALF_PLY, -1
+ };
+ POSITION *pos = &ctx->sPosition;
+ PLY_INFO *pi = &ctx->sPlyInfo[ctx->uPly];
+ CUMULATIVE_SEARCH_FLAGS *pf = &ctx->sSearchFlags;
+ SCORE iVerifyScore;
+ MOVE mv;
+ MOVE mvRef;
+
+ ASSERT(IS_VALID_SCORE(iAlpha) && IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+
+ // TODO: more experiments with quick null
+
+ // Ok, do it.
+ ASSERT(!InCheck(pos, pos->uToMove));
+ VERIFY(MakeMove(ctx, NULLMOVE));
+ ASSERT(pos->u64NonPawnSig != pi->sPosition.u64NonPawnSig);
+ ASSERT(pos->uToMove != pi->sPosition.uToMove);
+ INC(ctx->sCounters.tree.u64NullMoves);
+
+ // (Reduced depth) search under the nullmove; don't allow two
+ // nullmoves in a row.
+ ASSERT(pf->fAvoidNullmove == FALSE);
+ pf->fAvoidNullmove = TRUE;
+ *piNullScore = -Search(ctx, -iBeta, -iBeta + 1, uNullDepth);
+ pf->fAvoidNullmove = FALSE;
+
+ // Check the results
+ if (*piNullScore >= iBeta)
+ {
+ UnmakeMove(ctx, NULLMOVE);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+
+ // If there are very few pieces on the board, launch a
+ // separate "verification search".
+ if ((pos->uNonPawnCount[pos->uToMove][0] < 4) &&
+ (pf->fVerifyNullmove == TRUE))
+ {
+ ASSERT(pf->fAvoidNullmove == FALSE);
+ uNullDepth -= ONE_PLY;
+ if (uNullDepth > MAX_DEPTH_PER_SEARCH) uNullDepth = 0;
+ pf->fVerifyNullmove = FALSE;
+ iVerifyScore = Search(ctx, iAlpha, iBeta, uNullDepth);
+ pf->fVerifyNullmove = TRUE;
+ if (iVerifyScore < iBeta)
+ {
+ // The nullmove failed high but the verify search
+ // did not; we are in zug so extend.
+ *piOrigExtend += ONE_PLY;
+ INC(ctx->sCounters.extension.uZugzwang);
+ return FALSE;
+ }
+ }
+
+ // Nullmove succeeded and either no need to verify or verify
+ // succeeded too.
+ INC(ctx->sCounters.tree.u64NullMoveSuccess);
+ if (*piNullScore > +NMATE) *piNullScore = +NMATE;
+ return TRUE;
+ }
+
+ // Nullmove failed...
+ mv = (pi+1)->mvBest;
+ if (mv.uMove)
+ {
+ // See what we can learn from the move that refuted our nullmove.
+ ASSERT(SanityCheckMove(pos, mv));
+ ASSERT(GET_COLOR(mv.pMoved) == pos->uToMove);
+ ASSERT(ctx->uPly >= 2);
+
+ // If we make a nullmove that fails because we lose a
+ // piece, remember that the piece in question is in danger.
+ if ((mv.pCaptured) && !IS_PAWN(mv.pCaptured))
+ {
+ ASSERT(GET_COLOR(mv.pCaptured) == FLIP(pos->uToMove));
+ ASSERT(mv.pCaptured == pos->rgSquare[mv.cTo].pPiece);
+ StoreEnprisePiece(pos, mv.cTo);
+ mvRef = ctx->mvNullmoveRefutations[ctx->uPly - 2];
+ if ((mvRef.uMove) &&
+ (mvRef.pCaptured == mv.pCaptured) &&
+ (mvRef.pMoved == mv.pMoved) &&
+ (mvRef.cTo != mv.cTo))
+ {
+ ASSERT(GET_COLOR(mvRef.pCaptured) == FLIP(pos->uToMove));
+ ASSERT(mvRef.pCaptured);
+ ASSERT(_bm_by_piece[PIECE_TYPE(mv.pCaptured)] > 0);
+ ASSERT(_bm_by_piece[PIECE_TYPE(mv.pCaptured)] <=
+ ONE_PLY);
+ *piOrigExtend += _bm_by_piece[PIECE_TYPE(mv.pCaptured)];
+ INC(ctx->sCounters.extension.uBotvinnikMarkoff);
+ }
+ ctx->mvNullmoveRefutations[ctx->uPly] = mv;
+ }
+
+ // This is an idea from Tord Romstad on ccc: if we are below a
+ // history reduced node and we try a nullmove and the nullmove
+ // fails low and the move that refuted the nullmove involves
+ // the same piece moved in the reduced move at ply-1 then bail
+ // out of the reduced depth search now and research at full
+ // depth. The move that was reduced had some tactical
+ // significance.
+ ASSERT(IS_ON_BOARD(mv.cFrom));
+ if ((mv.cFrom == (pi-1)->mv.cTo) && ((pi-1)->iExtensionAmount < 0))
+ {
+ ASSERT(GET_COLOR(mv.pMoved) == GET_COLOR((pi-1)->mv.pMoved));
+ UnmakeMove(ctx, NULLMOVE);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ *piNullScore = iAlpha - 1;
+ return TRUE;
+ }
+ }
+
+ // If we do nothing we are mated-in-n, therefore this is a
+ // dangerous position so extend. This is Bruce Moreland's idea
+ // originally.
+ if (*piNullScore <= -NMATE)
+ {
+ if (mv.uMove && !IS_CAPTURE_OR_PROMOTION(mv))
+ {
+ ASSERT(SanityCheckMove(pos, mv));
+ ASSERT(GET_COLOR(mv.pMoved) == pos->uToMove);
+ UpdateDynamicMoveOrdering(ctx,
+ uNullDepth + TWO_PLY,
+ mv,
+ *piNullScore,
+ 0);
+ }
+ *pfThreat = TRUE;
+ }
+ UnmakeMove(ctx, NULLMOVE);
+ ASSERT(PositionsAreEquivalent(pos, &pi->sPosition));
+ return FALSE;
+}
+
+
+#ifdef DEBUG
+FLAG
+SanityCheckMoves(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG uCurrent,
+ IN ULONG uType)
+/**
+
+Routine description:
+
+ Support routine to sanity check that:
+
+ 1. The moves before uCurrent on the move stack were all marked
+ as searched (or pruned)
+ 2. The moves after uCurrent on the move stack are all zero
+ value moves and not checking moves.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uCurrent,
+ ULONG uType
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG x;
+
+ if (WE_SHOULD_STOP_SEARCHING)
+ {
+ return(TRUE);
+ }
+
+ //
+ // Check moves yet to be searched
+ //
+ if (uType & VERIFY_AFTER)
+ {
+ for (x = uCurrent; x < ctx->sMoveStack.uEnd[ctx->uPly]; x++)
+ {
+ ASSERT(ctx->sMoveStack.mvf[x].iValue <= 0);
+ ASSERT(!IS_CHECKING_MOVE(ctx->sMoveStack.mvf[x].mv));
+ }
+ }
+
+ //
+ // Check moves already searched
+ //
+ if (uType & VERIFY_BEFORE)
+ {
+ for (x = uCurrent - 1;
+ ((x >= ctx->sMoveStack.uBegin[ctx->uPly]) && (x != (ULONG)-1));
+ x--)
+ {
+ ASSERT(ctx->sMoveStack.mvf[x].bvFlags & MVF_MOVE_SEARCHED);
+ }
+ }
+ return(TRUE);
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ see.c
+
+Abstract:
+
+ Static exchange evaluator and support code. See also x86.asm.
+
+Author:
+
+
+Revision History:
+
+ $Id: see.c 348 2008-01-05 07:11:36Z scott $
+
+**/
+
+#include "chess.h"
+
+#define ADD_ATTACKER(p, c, v) \
+ pList->data[pList->uCount].pPiece = (p); \
+ pList->data[pList->uCount].cLoc = (c); \
+ pList->data[pList->uCount].uVal = (v); \
+ pList->uCount++;
+
+void CDECL
+SlowGetAttacks(IN OUT SEE_LIST *pList,
+ IN POSITION *pos,
+ IN COOR cSquare,
+ IN ULONG uSide)
+/*++
+
+Routine description:
+
+ SlowGetAttacks is the C version of GetAttacks; it should be
+ identical to the GetAttacks code in x86.asm. The job of the
+ function is, given a position, square and side, to populate the
+ SEE_LIST with the locations and types of enemy pieces attacking
+ the square.
+
+Parameters:
+
+ SEE_LIST *pList : list to populate
+ POSITION *pos : the board
+ COOR cSquare : square in question
+ ULONG uSide : side we are looking for attacks from
+
+Return value:
+
+ void
+
+--*/
+{
+ register ULONG x;
+ PIECE p;
+ COOR c;
+ int iIndex;
+ COOR cBlockIndex;
+ int iDelta;
+ static PIECE pPawn[2] = { BLACK_PAWN, WHITE_PAWN };
+ static int iSeeDelta[2] = { -17, +15 };
+
+#ifdef DEBUG
+ ASSERT(IS_ON_BOARD(cSquare));
+ ASSERT(IS_VALID_COLOR(uSide));
+ VerifyPositionConsistency(pos, FALSE);
+#endif
+ pList->uCount = 0;
+
+ //
+ // Check for pawns attacking cSquare
+ //
+ c = cSquare + (iSeeDelta[uSide]);
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (p == pPawn[uSide])
+ {
+ //
+ // N.B. Don't use ADD_ATTACKER here because we know we're
+ // at element zero.
+ //
+ pList->data[0].pPiece = p;
+ pList->data[0].cLoc = c;
+ pList->data[0].uVal = VALUE_PAWN;
+ pList->uCount = 1;
+ }
+ }
+
+ c += 2;
+ if (IS_ON_BOARD(c))
+ {
+ p = pos->rgSquare[c].pPiece;
+ if (p == pPawn[uSide])
+ {
+ ADD_ATTACKER(p, c, VALUE_PAWN);
+ }
+ }
+
+ //
+ // Check for pieces attacking cSquare
+ //
+ for (x = pos->uNonPawnCount[uSide][0] - 1;
+ x != (ULONG)-1;
+ x--)
+ {
+ c = pos->cNonPawns[uSide][x];
+ ASSERT(IS_ON_BOARD(c));
+
+ p = pos->rgSquare[c].pPiece;
+ ASSERT(p && !IS_PAWN(p));
+ ASSERT(GET_COLOR(p) == uSide);
+
+ iIndex = (int)c - (int)cSquare;
+ if (0 == (CHECK_VECTOR_WITH_INDEX(iIndex, GET_COLOR(p)) &
+ (1 << PIECE_TYPE(p))))
+ {
+ continue;
+ }
+
+ if (IS_KNIGHT_OR_KING(p))
+ {
+ ASSERT(IS_KNIGHT(p) || IS_KING(p));
+ ADD_ATTACKER(p, c, PIECE_VALUE(p));
+ continue;
+ }
+
+ //
+ // Check to see if there is a piece in the path from cSquare
+ // to c that blocks the attack.
+ //
+ iDelta = NEG_DELTA_WITH_INDEX(iIndex);
+ ASSERT(iDelta == -1 * CHECK_DELTA_WITH_INDEX(iIndex));
+ ASSERT(iDelta != 0);
+ for (cBlockIndex = cSquare + iDelta;
+ cBlockIndex != c;
+ cBlockIndex += iDelta)
+ {
+ if (!IS_EMPTY(pos->rgSquare[cBlockIndex].pPiece))
+ {
+ goto done;
+ }
+ }
+
+ //
+ // Nothing in the way.
+ //
+ ADD_ATTACKER(p, c, PIECE_VALUE(p));
+
+ done:
+ ;
+ }
+}
+
+#ifdef SEE_HEAPS
+//
+// SEE_HEAPS works great in principle but makes MinLegalPiece
+// inaccurate if the top of the heap is not a legal move (i.e. the
+// piece is pinned etc...) When tested the result of this was minimal
+// and the use of a heap instead of a sorted list sped up the SEE
+// code.
+//
+#define PARENT(x) ((x - 1) / 2)
+#define LEFT_CHILD(x) (((x) * 2) + 1)
+#define RIGHT_CHILD(x) (((x) * 2) + 2)
+
+#ifdef DEBUG
+static FLAG
+_IsValidHeap(IN SEE_LIST *p)
+/**
+
+Routine description:
+
+ Is the minheap in SEE_LIST p->data[] valid (i.e. does it satisfy
+ the minheap property?)
+
+Parameters:
+
+ SEE_LIST *p : SEE_LIST to check
+
+Return value:
+
+ static FLAG : TRUE if valid, FALSE otherwise
+
+**/
+{
+ ULONG u, l, r;
+
+ for (u = 0; u < p->uCount; u++)
+ {
+ l = LEFT_CHILD(u);
+ if ((l < p->uCount) && (p->data[l].uVal < p->data[u].uVal))
+ {
+ return(FALSE);
+ }
+
+ r = RIGHT_CHILD(u);
+ if ((r < p->uCount) && (p->data[r].uVal < p->data[u].uVal))
+ {
+ return(FALSE);
+ }
+ }
+ return(TRUE);
+}
+#endif // DEBUG
+
+
+static void
+_PushDown(IN OUT SEE_LIST *p,
+ IN ULONG u)
+/**
+
+Routine description:
+
+ Take heap node number u and compare its value with the value of
+ its children. Swap smallest value into position u and continue
+ the push-down process if warranted.
+
+Parameters:
+
+ SEE_LIST *p : SEE_LIST/minheap
+ ULONG u : node number in consideration
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG l = LEFT_CHILD(u);
+ ULONG r;
+ ULONG uSmallest;
+ SEE_THREESOME temp;
+
+ //
+ // The heap is a complete tree -- if there's no left child of this
+ // node then there's no right child either. If this is a leaf node
+ // then our work is done.
+ //
+ ASSERT(p->uCount > 0);
+ if (l >= p->uCount)
+ {
+ return;
+ }
+ ASSERT(PARENT(l) == u);
+
+ //
+ // Otherwise, find the smallest of u, l and r.
+ //
+ r = l + 1;
+ ASSERT(r == RIGHT_CHILD(u));
+ ASSERT(PARENT(r) == u);
+ ASSERT((r != u) && (r != l) && (l != u));
+ uSmallest = u;
+ if (p->data[l].uVal < p->data[u].uVal)
+ {
+ uSmallest = l;
+ }
+ if ((r < p->uCount) && (p->data[r].uVal < p->data[uSmallest].uVal))
+ {
+ uSmallest = r;
+ }
+
+ //
+ // If it's anything other than u, swap them and continue to push.
+ //
+ if (uSmallest != u)
+ {
+ ASSERT((uSmallest == l) || (uSmallest == r));
+ temp = p->data[uSmallest];
+ p->data[uSmallest] = p->data[u];
+ p->data[u] = temp;
+ _PushDown(p, uSmallest);
+ }
+}
+
+static void
+_BuildHeap(IN OUT SEE_LIST *p)
+/**
+
+Routine description:
+
+ Convert a random array into a minheap. Start at the first
+ internal node and push it down into place. Continue to work
+ backwards until we get to the root (index 0).
+
+Parameters:
+
+ SEE_LIST *p : list to heapify
+
+Return value:
+
+ static void
+
+**/
+{
+ int iStart = (p->uCount / 2) - 1;
+ int i;
+
+ ASSERT(iStart < (int)p->uCount);
+ for (i = iStart; i > -1; i--)
+ {
+ ASSERT(i >= 0);
+ _PushDown(p, (ULONG)i);
+ }
+ ASSERT(_IsValidHeap(p));
+}
+
+
+static void
+_BubbleUp(IN OUT SEE_LIST *p, IN ULONG u)
+/**
+
+Routine description:
+
+ Take a node and bubble it up into place to re-create a minheap.
+
+Parameters:
+
+ SEE_LIST *p : heap
+ ULONG u : index of node to bubble up
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG uParent;
+ SEE_THREESOME temp;
+
+ ASSERT(p->uCount > 0);
+ if (u == 0) return;
+
+ uParent = PARENT(u);
+ ASSERT((LEFT_CHILD(uParent) == u) ||
+ (RIGHT_CHILD(uParent) == u));
+ ASSERT(uParent < u);
+ if (p->data[uParent].uVal > p->data[u].uVal)
+ {
+ temp = p->data[uParent];
+ p->data[uParent] = p->data[u];
+ p->data[u] = temp;
+ _BubbleUp(p, uParent);
+ }
+}
+
+#else // !SEE_HEAPS
+
+static void
+_SortList(IN OUT SEE_LIST *pList)
+/**
+
+Routine description:
+
+ Sort the SEE list by piece value with a selection sort.
+
+Parameters:
+
+ SEE_LIST *pList
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG x;
+ ULONG y;
+ register ULONG uMaxVal;
+ register ULONG uMaxLoc;
+ SEE_THREESOME sTemp;
+
+ for (x = 0;
+ x < pList->uCount;
+ x++)
+ {
+ //
+ // Assume index X is the largest value item in the list
+ //
+ uMaxVal = pList->data[x].uVal;
+ uMaxLoc = x;
+
+ //
+ // Look for others with a larger value
+ //
+ for (y = x + 1;
+ y < pList->uCount;
+ y++)
+ {
+ if (pList->data[y].uVal > uMaxVal)
+ {
+ uMaxVal = pList->data[y].uVal;
+ uMaxLoc = y;
+ }
+ }
+
+ sTemp = pList->data[uMaxLoc];
+ pList->data[uMaxLoc] = pList->data[x];
+ pList->data[x] = sTemp;
+ }
+}
+
+#endif
+
+static void INLINE
+_RemoveItem(IN OUT SEE_LIST *pList,
+ IN ULONG x)
+/**
+
+Routine description:
+
+ Delete item x from the list.
+
+Parameters:
+
+ SEE_LIST *pList,
+ ULONG x
+
+Return value:
+
+ static void INLINE
+
+**/
+{
+#ifndef SEE_HEAPS
+ ULONG y;
+#endif
+
+ ASSERT(x < pList->uCount);
+ ASSERT(pList->uCount > 0);
+
+#ifdef SEE_HEAPS
+ //
+ // Swap item x with the last thing on the heap and then push the
+ // node back down.
+ //
+ if (x != (pList->uCount - 1))
+ {
+ pList->data[x] = pList->data[pList->uCount - 1];
+ pList->uCount--;
+ _PushDown(pList, 0);
+ }
+ else
+ {
+ pList->uCount--;
+ }
+
+#else // !SEE_HEAPS
+
+ //
+ // If X is not the last thing in the list we will have to ripple
+ // shift to close the hole. This is rare.
+ //
+ for (y = x + 1;
+ y < pList->uCount;
+ y++)
+ {
+ pList->data[y - 1] = pList->data[y];
+ }
+ pList->uCount--;
+
+#endif // SEE_HEAPS
+}
+
+
+static void
+_ClearPieceByLocation(IN OUT SEE_LIST *pList,
+ IN COOR cLoc)
+/**
+
+Routine description:
+
+ Find a piece on the SEE list at COOR cLoc and delete it.
+
+Parameters:
+
+ SEE_LIST *pList,
+ COOR cLoc
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG x = 0;
+
+ while (x < pList->uCount)
+ {
+ if (pList->data[x].cLoc == cLoc)
+ {
+ _RemoveItem(pList, x);
+ return;
+ }
+ x++;
+ }
+
+ //
+ // This can happen if, for example, the SEE move was a passed pawn push
+ //
+}
+
+
+#ifdef SEE_HEAPS
+static PIECE
+_MinLegalPiece(IN POSITION *pos,
+ IN ULONG uColor,
+ IN SEE_LIST *pList,
+ IN SEE_LIST *pOther,
+ IN COOR *pc,
+ IN COOR cIgnore)
+/**
+
+Routine description:
+
+ Return the piece from the SEE list with the lowest value that is
+ not pinned to its own king. Because we are storing the SEE_LISTS
+ as heaps, this is only an approximate value in the event that the
+ real min value piece is indeed pinned to its own king. I
+ considered sorting the list in this case but it seems like (in
+ tests) this inaccuracy really has little or no impact on the
+ search tree size. The speedup with heaps instead of sorted lists
+ seems worth the price.
+
+Parameters:
+
+ POSITION *pos : the board
+ ULONG uColor : the color on move
+ SEE_LIST *pList : the list we're selecting from
+ SEE_LIST *pOther : the other side's list
+ COOR *pc,
+ COOR cIgnore
+
+Return value:
+
+ static PIECE
+
+**/
+{
+ COOR cKing;
+ PIECE p;
+ register ULONG x;
+ COOR c;
+
+ //
+ // The list is a minheap with the min value piece at index 0.
+ //
+ for (x = 0;
+ x < pList->uCount;
+ x++)
+ {
+ p = pList->data[x].pPiece;
+
+ //
+ // If this piece is the king, then no need to see if the move
+ // exposes the king to check.. just play the move as long as
+ // it's legal (i.e. no defenders to the square)
+ //
+ if (IS_KING(p))
+ {
+ if (pOther->uCount == 0)
+ {
+ *pc = pList->data[0].cLoc;
+
+ //
+ // Note: if p is a king and we allow them to play it then
+ // by definition the other side has nothing to counter
+ // with... otherwise we'd be moving into check here. So
+ // even if we had other pieces that were pinned to the
+ // king, empty out the list because we're done in the next
+ // SEE loop.
+ //
+ pList->uCount = 0;
+ return(p);
+ }
+ }
+ else
+ {
+ //
+ // Otherwise... consider pins. If the least valuable
+ // defender of the square cannot move because doing so
+ // would exposes his king to check, skip it and try the
+ // next least valuable.
+ //
+ cKing = pos->cNonPawns[uColor][0];
+ c = ExposesCheck(pos, pList->data[x].cLoc, cKing);
+
+ //
+ // cIgnore is the coordinate of the last piece the other
+ // side "moved" in this capture sequence. This is a hack
+ // to ignore pins based on a piece that has already moved
+ // in the computation but is already on the board. This
+ // of course does not work for positions where the piece
+ // you expose check to was "moved" two turns ago but these
+ // are pretty rare.
+ //
+ if (!IS_ON_BOARD(c) || (c == cIgnore))
+ {
+ *pc = pList->data[x].cLoc;
+ _RemoveItem(pList, x);
+ return(p);
+ }
+ }
+ }
+
+ //
+ // There are no legal pieces to move to square
+ //
+ return(0);
+}
+
+#else // !SEE_HEAPS
+
+static PIECE
+_MinLegalPiece(IN POSITION *pos,
+ IN ULONG uColor,
+ IN SEE_LIST *pList,
+ IN SEE_LIST *pOther,
+ IN COOR *pc,
+ IN COOR cIgnore)
+/**
+
+Routine description:
+
+ Return the piece from the SEE list with the lowest value that is
+ not pinned to its own king.
+
+Parameters:
+
+ POSITION *pos : the board
+ ULONG uColor : the color on move
+ SEE_LIST *pList : the list we're selecting from
+ SEE_LIST *pOther : the other side's list
+ COOR *pc,
+ COOR cIgnore
+
+Return value:
+
+ static PIECE
+
+**/
+{
+ COOR cKing;
+ PIECE p;
+ register ULONG x;
+ COOR c;
+
+ //
+ // The list is sorted from most valuable (index 0) to least valuable
+ // (index N). Begin at the least valuable and work up.
+ //
+ for (x = pList->uCount - 1;
+ x != (ULONG)-1;
+ x--)
+ {
+ p = pList->data[x].pPiece;
+ //
+ // If this piece is the king, then no need to see if the move
+ // exposes the king to check.. just play the move as long as
+ // it's legal (i.e. no defenders to the square)
+ //
+ if ((IS_KING(p)) && (pOther->uCount == 0))
+ {
+ ASSERT(x == 0);
+ *pc = pList->data[0].cLoc;
+ pList->uCount = 0;
+ return(p);
+ }
+ else
+ {
+ //
+ // Otherwise... consider pins. If the least valuable
+ // defender of the square cannot move because doing so
+ // would exposes his king to check, skip it and try the
+ // next least valuable.
+ //
+ cKing = pos->cNonPawns[uColor][0];
+ c = ExposesCheck(pos, pList->data[x].cLoc, cKing);
+
+ //
+ // cIgnore is the coordinate of the last piece the other
+ // side "moved" in this capture sequence. This is a hack
+ // to ignore pins based on a piece that has already moved
+ // in the computation but is already on the board. This
+ // of course does not work for positions where the piece
+ // you expose check to was "moved" two turns ago but these
+ // are pretty rare.
+ //
+ if (!IS_ON_BOARD(c) || (c == cIgnore))
+ {
+ *pc = pList->data[x].cLoc;
+ _RemoveItem(pList, x);
+ return(p);
+ }
+ }
+ }
+
+ //
+ // There are no legal pieces to move to square
+ //
+ return(0);
+}
+#endif // SEE_HEAPS
+
+static void _AddXRays(IN POSITION *pos,
+ IN INT iAttackerColor,
+ IN COOR cTarget,
+ IN COOR cObstacle,
+ IN OUT SEE_LIST *pAttacks,
+ IN OUT SEE_LIST *pDefends)
+/**
+
+Routine description:
+
+ We just "moved" a piece in the SEE sequence... add any xray
+ attacks that it exposed to the SEE list to be take part as the
+ sequence plays out.
+
+Parameters:
+
+ POSITION *pos,
+ INT iAttackerColor,
+ COOR cTarget,
+ COOR cObstacle,
+ SEE_LIST *pAttacks,
+ SEE_LIST *pDefends
+
+Return value:
+
+ static void
+
+**/
+{
+ int iDelta;
+ COOR cIndex;
+ PIECE xPiece;
+ int iIndex;
+
+ iIndex = (int)cTarget - (int)cObstacle;
+
+ //
+ // If there is no way for a queen sitting on the target square to
+ // reach the obsticle square then there is no discovered attack.
+ // (This could happen, for instance, if a knight captured. It
+ // can't uncover a new attack on the square where it took.
+ //
+ if (0 == (CHECK_VECTOR_WITH_INDEX(iIndex, BLACK) & (1 << QUEEN)))
+ {
+ return;
+ }
+
+ //
+ // The squares are on the same rank, file or diagonal. iDelta is
+ // the way to move from target towards obstacle.
+ //
+ iDelta = CHECK_DELTA_WITH_INDEX(iIndex);
+
+ //
+ // Search for a piece that moves the right way to attack the target
+ // square starting at the obstacle square + delta.
+ //
+ for (cIndex = cObstacle + iDelta;
+ IS_ON_BOARD(cIndex);
+ cIndex += iDelta)
+ {
+ xPiece = pos->rgSquare[cIndex].pPiece;
+ if (!IS_EMPTY(xPiece))
+ {
+ //
+ // Does it move the right way to hit cTarget? TODO: can this
+ // be optimized? Remember pawns though...
+ //
+ if (0 != (CHECK_VECTOR_WITH_INDEX((int)cIndex - (int)cTarget,
+ GET_COLOR(xPiece)) &
+ (1 << PIECE_TYPE(xPiece))))
+ {
+ //
+ // Add this attacker to the proper SEE_LIST
+ //
+ if (GET_COLOR(xPiece) == iAttackerColor)
+ {
+ pAttacks->data[pAttacks->uCount].pPiece = xPiece;
+ pAttacks->data[pAttacks->uCount].cLoc = cIndex;
+ pAttacks->data[pAttacks->uCount].uVal =
+ PIECE_VALUE(xPiece);
+ pAttacks->uCount++;
+ ASSERT(pAttacks->uCount > 0);
+#ifdef SEE_HEAPS
+ _BubbleUp(pAttacks, pAttacks->uCount - 1);
+#else
+ _SortList(pAttacks);
+#endif
+ }
+ else
+ {
+ pDefends->data[pDefends->uCount].pPiece = xPiece;
+ pDefends->data[pDefends->uCount].cLoc = cIndex;
+ pDefends->data[pDefends->uCount].uVal =
+ PIECE_VALUE(xPiece);
+ pDefends->uCount++;
+ ASSERT(pDefends->uCount > 0);
+#ifdef SEE_HEAPS
+ _BubbleUp(pDefends, pDefends->uCount - 1);
+#else
+ _SortList(pDefends);
+#endif
+ }
+ }
+ return;
+ }
+ }
+}
+
+
+SCORE
+SEE(IN POSITION *pos,
+ IN MOVE mv)
+/**
+
+Routine description:
+
+ Given a board and a move on the board, estimate the value of the
+ move by considering the friend/enemy pieces that attack the move's
+ destination square.
+
+Parameters:
+
+ POSITION *pos,
+ MOVE mv
+
+Return value:
+
+ SCORE : the estimate of the move's score
+
+**/
+{
+ SEE_LIST rgPieces[2];
+ PIECE pPiece;
+ ULONG uInPeril;
+ SCORE rgiList[32];
+ ULONG uListIndex;
+ ULONG uWhoseTurn = GET_COLOR(mv.pMoved);
+ ULONG uOrig = uWhoseTurn;
+ int iSign = 1;
+ ULONG uPromValue;
+ ULONG uVal;
+ COOR cFrom = mv.cFrom;
+ static FLAG _Table[2][3] = {
+ // a<b a==b a>b
+ { FALSE, FALSE, TRUE }, // uVal==0
+ { TRUE, FALSE, FALSE }, // uVal==1
+ };
+
+#ifdef DEBUG
+ ASSERT(mv.uMove != 0);
+ memset(rgiList, 0xFF, sizeof(rgiList));
+ memset(rgPieces, 0xFF, sizeof(rgPieces));
+#endif
+
+ //
+ // Create a sorted list of pieces attacking and defending the
+ // square.
+ //
+ GetAttacks(&(rgPieces[uWhoseTurn]), pos, mv.cTo, uWhoseTurn);
+ GetAttacks(&(rgPieces[FLIP(uWhoseTurn)]), pos, mv.cTo, FLIP(uWhoseTurn));
+#ifdef SEE_HEAPS
+ _BuildHeap(&(rgPieces[FLIP(uWhoseTurn)]));
+ _BuildHeap(&(rgPieces[uWhoseTurn]));
+#else
+ _SortList(&(rgPieces[FLIP(uWhoseTurn)]));
+ _SortList(&(rgPieces[uWhoseTurn]));
+#endif
+
+ //
+ // Play the first move -- TODO: the first move may be illegal...
+ // fix this?
+ //
+ rgiList[0] = (PIECE_VALUE(mv.pCaptured) +
+ PIECE_VALUE(mv.pPromoted));
+ uInPeril = (PIECE_VALUE(mv.pMoved) +
+ PIECE_VALUE(mv.pPromoted));
+ uListIndex = 1;
+
+ _ClearPieceByLocation(&(rgPieces[uWhoseTurn]), mv.cFrom);
+ _AddXRays(pos,
+ uWhoseTurn,
+ mv.cTo,
+ mv.cFrom,
+ &(rgPieces[uWhoseTurn]),
+ &(rgPieces[FLIP(uWhoseTurn)]));
+
+ //
+ // Play moves 2..n
+ //
+ do
+ {
+ //
+ // Other side's turn now...
+ //
+ uWhoseTurn = FLIP(uWhoseTurn);
+ iSign = -iSign;
+ pPiece = _MinLegalPiece(pos,
+ uWhoseTurn,
+ &(rgPieces[uWhoseTurn]),
+ &(rgPieces[FLIP(uWhoseTurn)]),
+ &cFrom,
+ cFrom);
+ if (0 == pPiece) break; // no legal piece
+ //
+ // If this is a pawn capturing and it ends on the queening
+ // rank, set uPromValue appropriately. Bitwise operators are
+ // correct here, done for speed and branch removal; this loop
+ // is pretty heavily used.
+ //
+ uPromValue = IS_PAWN(pPiece) & (RANK1(mv.cTo) | RANK8(mv.cTo));
+ uPromValue *= VALUE_QUEEN;
+ ASSERT((uPromValue == 0) || (uPromValue == VALUE_QUEEN));
+
+ ASSERT(uListIndex != 0);
+ rgiList[uListIndex] = rgiList[uListIndex - 1] +
+ iSign * (uInPeril + uPromValue);
+ uListIndex++;
+ ASSERT(uListIndex < ARRAY_LENGTH(rgiList));
+ uInPeril = PIECE_VALUE(pPiece) + uPromValue;
+
+ _AddXRays(pos,
+ GET_COLOR(mv.pMoved),
+ mv.cTo,
+ cFrom,
+ &(rgPieces[uOrig]), // These must be rgAttacks and
+ &(rgPieces[FLIP(uOrig)])); // rgDefends. Not based on tomove
+ }
+ while(1);
+
+ //
+ // The swaplist is now complete but we still must consider that either
+ // side has the option of not taking (not continuing the exchange).
+ //
+ ASSERT(uListIndex >= 1);
+ uListIndex--;
+
+ while (uListIndex > 0)
+ {
+ uVal = (uListIndex & 1);
+ iSign = ((rgiList[uListIndex] > rgiList[uListIndex - 1]) -
+ (rgiList[uListIndex] < rgiList[uListIndex - 1])) + 1;
+ ASSERT((iSign >= 0) && (iSign <= 2));
+ if (TRUE == _Table[uVal][iSign])
+ {
+ rgiList[uListIndex - 1] = rgiList[uListIndex];
+ }
+ uListIndex--;
+ }
+
+#ifdef TEST_BROKEN
+ iSign = DebugSEE(pos, mv);
+
+ if ((rgiList[0] != iSign) &&
+ (iSign != INVALID_SCORE))
+ {
+ DumpPosition(pos);
+ DumpMove(mv.uMove);
+ Trace("Real SEE says: %d\n"
+ "Test SEE says: %d\n",
+ rgiList[0], iSign);
+ UtilPanic(TESTCASE_FAILURE,
+ NULL,
+ "See mismatch",
+ rgiList[0],
+ iSign,
+ __FILE__, __LINE__);
+ }
+#endif
+ return(rgiList[0]);
+}
--- /dev/null
+# GNU C version 4.0.1 (Apple Inc. build 5465) (i686-apple-darwin9)
+# compiled by GNU C version 4.0.1 (Apple Inc. build 5465).
+# GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
+# options passed: -D__DYNAMIC__ -fPIC -mmacosx-version-min=10.5.1 -m64
+# -mtune=generic -march=apple -auxbase -fverbose-asm
+# options enabled: -fPIC -falign-jumps-max-skip -falign-loops
+# -falign-loops-max-skip -fargument-alias -fasynchronous-unwind-tables
+# -fbranch-count-reg -fcommon -feliminate-unused-debug-types -ffunction-cse
+# -fgcse-lm -fident -fivopts -fkeep-static-consts -fleading-underscore
+# -flocal-alloc -floop-optimize2 -fpeephole -freg-struct-return
+# -fsched-interblock -fsched-spec -fsched-stalled-insns-dep
+# -fsplit-ivs-in-unroller -ftree-loop-im -ftree-loop-ivcanon
+# -ftree-loop-optimize -funwind-tables -fverbose-asm
+# -fzero-initialized-in-bss -m80387 -mhard-float -mno-soft-float -mieee-fp
+# -mfp-ret-in-387 -maccumulate-outgoing-args -mmmx -msse -msse2 -msse3
+# -m128bit-long-double -m64 -mtune=generic64 -march=apple
+# -mmacosx-version-min=10.5.1
+
+# Compiler executable checksum: 0a7d9e41e786877ed5cbeb90e063cdab
+
+ .data
+ .align 2
+_iSeeDelta.5028:
+ .long -17
+ .long 15
+ .align 2
+_pPawn.5027:
+ .long 2
+ .long 3
+ .text
+.globl _SlowGetAttacks
+_SlowGetAttacks:
+LFB33:
+ pushq %rbp #
+LCFI0:
+ movq %rsp, %rbp #,
+LCFI1:
+ movq %rdi, -40(%rbp) # pList, pList
+ movq %rsi, -48(%rbp) # pos, pos
+ movl %edx, -52(%rbp) # cSquare, cSquare
+ movl %ecx, -56(%rbp) # uSide, uSide
+ movq -40(%rbp), %rax # pList, pList
+ movl $0, (%rax) #, <variable>.uCount
+ movl -56(%rbp), %eax # uSide, uSide.5
+ mov %eax, %eax # uSide.5, uSide.5
+ leaq 0(,%rax,4), %rdx #, tmp125
+ leaq _iSeeDelta.5028(%rip), %rax #, tmp126
+ movl (%rdx,%rax), %eax # iSeeDelta, D.5038
+ addl -52(%rbp), %eax # cSquare, tmp127
+ movl %eax, -16(%rbp) # tmp127, c
+ movl -16(%rbp), %eax # c, D.5040
+ andl $136, %eax #, D.5040
+ testl %eax, %eax # D.5040
+ jne L2 #,
+ movl -16(%rbp), %eax # c, c.6
+ movq -48(%rbp), %rdx # pos, pos
+ mov %eax, %eax # c.6, c.6
+ movl (%rdx,%rax,8), %eax # <variable>.D.2182.pPiece, <variable>.D.2182.pPiece
+ movl %eax, -20(%rbp) # <variable>.D.2182.pPiece, p
+ movl -56(%rbp), %eax # uSide, uSide.7
+ mov %eax, %eax # uSide.7, uSide.7
+ leaq 0(,%rax,4), %rdx #, tmp132
+ leaq _pPawn.5027(%rip), %rax #, tmp133
+ movl (%rdx,%rax), %eax # pPawn, D.5043
+ cmpl -20(%rbp), %eax # p, D.5043
+ jne L2 #,
+ movq -40(%rbp), %rdx # pList, pList
+ movl -20(%rbp), %eax # p, p
+ movl %eax, 4(%rdx) # p, <variable>.pPiece
+ movq -40(%rbp), %rdx # pList, pList
+ movl -16(%rbp), %eax # c, c
+ movl %eax, 8(%rdx) # c, <variable>.cLoc
+ movq -40(%rbp), %rax # pList, pList
+ movl $100, 12(%rax) #, <variable>.uVal
+ movq -40(%rbp), %rax # pList, pList
+ movl $1, (%rax) #, <variable>.uCount
+L2:
+ leaq -16(%rbp), %rax #, tmp258
+ addl $2, (%rax) #, c
+ movl -16(%rbp), %eax # c, D.5044
+ andl $136, %eax #, D.5044
+ testl %eax, %eax # D.5044
+ jne L5 #,
+ movl -16(%rbp), %eax # c, c.8
+ movq -48(%rbp), %rdx # pos, pos
+ mov %eax, %eax # c.8, c.8
+ movl (%rdx,%rax,8), %eax # <variable>.D.2182.pPiece, <variable>.D.2182.pPiece
+ movl %eax, -20(%rbp) # <variable>.D.2182.pPiece, p
+ movl -56(%rbp), %eax # uSide, uSide.9
+ mov %eax, %eax # uSide.9, uSide.9
+ leaq 0(,%rax,4), %rdx #, tmp144
+ leaq _pPawn.5027(%rip), %rax #, tmp145
+ movl (%rdx,%rax), %eax # pPawn, D.5047
+ cmpl -20(%rbp), %eax # p, D.5047
+ jne L5 #,
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5048
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # D.5048, D.5048
+ movq %rdx, %rax # D.5048, D.5048
+ addq %rax, %rax # D.5048
+ addq %rdx, %rax # D.5048, D.5048
+ salq $2, %rax #, tmp150
+ addq %rcx, %rax # pList, tmp151
+ leaq 4(%rax), %rdx #, tmp152
+ movl -20(%rbp), %eax # p, p
+ movl %eax, (%rdx) # p, <variable>.pPiece
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5049
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # D.5049, D.5049
+ movq %rdx, %rax # D.5049, D.5049
+ addq %rax, %rax # D.5049
+ addq %rdx, %rax # D.5049, D.5049
+ salq $2, %rax #, tmp158
+ addq %rcx, %rax # pList, tmp159
+ leaq 8(%rax), %rdx #, tmp160
+ movl -16(%rbp), %eax # c, c
+ movl %eax, (%rdx) # c, <variable>.cLoc
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5050
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # D.5050, D.5050
+ movq %rdx, %rax # D.5050, D.5050
+ addq %rax, %rax # D.5050
+ addq %rdx, %rax # D.5050, D.5050
+ salq $2, %rax #, tmp166
+ addq %rcx, %rax # pList, tmp167
+ addq $12, %rax #, tmp168
+ movl $100, (%rax) #, <variable>.uVal
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5051
+ leal 1(%rax), %edx #, D.5052
+ movq -40(%rbp), %rax # pList, pList
+ movl %edx, (%rax) # D.5052, <variable>.uCount
+L5:
+ movl -56(%rbp), %eax # uSide, uSide.10
+ movq -48(%rbp), %rdx # pos, pos
+ mov %eax, %eax # uSide.10, uSide.10
+ salq $5, %rax #, tmp173
+ addq %rdx, %rax # pos, tmp174
+ addq $1280, %rax #, tmp175
+ movl (%rax), %eax # <variable>.uNonPawnCount, D.5054
+ decl %eax #
+ movl %eax, -60(%rbp) #, x
+ jmp L8 #
+L9:
+ movl -56(%rbp), %eax # uSide, uSide.11
+ movl -60(%rbp), %edx # x, x.12
+ movq -48(%rbp), %rcx # pos, pos
+ mov %eax, %eax # uSide.11, uSide.11
+ mov %edx, %edx # x.12, x.12
+ salq $4, %rax #, tmp179
+ addq %rdx, %rax # x.12, tmp180
+ movl 1144(%rcx,%rax,4), %eax # <variable>.cNonPawns, tmp181
+ movl %eax, -16(%rbp) # tmp181, c
+ movl -16(%rbp), %eax # c, c.13
+ movq -48(%rbp), %rdx # pos, pos
+ mov %eax, %eax # c.13, c.13
+ movl (%rdx,%rax,8), %eax # <variable>.D.2182.pPiece, <variable>.D.2182.pPiece
+ movl %eax, -20(%rbp) # <variable>.D.2182.pPiece, p
+ movl -16(%rbp), %edx # c, c.14
+ movl -52(%rbp), %eax # cSquare, cSquare.15
+ movl %edx, %ecx # c.14,
+ subl %eax, %ecx # cSquare.15,
+ movl %ecx, %eax #, tmp185
+ movl %eax, -12(%rbp) # tmp185, iIndex
+ movl -12(%rbp), %eax # iIndex, iIndex
+ cltq
+ salq $2, %rax #, D.5061
+ movq %rax, %rdx # D.5061, D.5062
+ movq _g_pVectorDelta@GOTPCREL(%rip), %rax #, tmp187
+ movq (%rax), %rax # g_pVectorDelta, g_pVectorDelta.16
+ addq %rax, %rdx # g_pVectorDelta.16, D.5064
+ movl -20(%rbp), %eax # p, D.5065
+ andl $1, %eax #, D.5065
+ mov %eax, %eax # D.5065, D.5065
+ movzbl (%rdx,%rax), %eax # <variable>.iVector, D.5066
+ movzbl %al, %edx # D.5066, D.5067
+ movl -20(%rbp), %eax # p, p
+ shrl %eax # D.5068
+ movl %eax, %ecx # D.5068, D.5069
+ movl %edx, %eax # D.5067, D.5070
+ sarl %cl, %eax # D.5069, D.5070
+ xorl $1, %eax #, D.5072
+ andl $1, %eax #, D.5074
+ testb %al, %al # D.5075
+ jne L10 #,
+ movl -20(%rbp), %eax # p, D.5076
+ andl $6, %eax #, D.5076
+ cmpl $4, %eax #, D.5076
+ jne L12 #,
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5077
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # D.5077, D.5077
+ movq %rdx, %rax # D.5077, D.5077
+ addq %rax, %rax # D.5077
+ addq %rdx, %rax # D.5077, D.5077
+ salq $2, %rax #, tmp194
+ addq %rcx, %rax # pList, tmp195
+ leaq 4(%rax), %rdx #, tmp196
+ movl -20(%rbp), %eax # p, p
+ movl %eax, (%rdx) # p, <variable>.pPiece
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5078
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # D.5078, D.5078
+ movq %rdx, %rax # D.5078, D.5078
+ addq %rax, %rax # D.5078
+ addq %rdx, %rax # D.5078, D.5078
+ salq $2, %rax #, tmp202
+ addq %rcx, %rax # pList, tmp203
+ leaq 8(%rax), %rdx #, tmp204
+ movl -16(%rbp), %eax # c, c
+ movl %eax, (%rdx) # c, <variable>.cLoc
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %edi # <variable>.uCount, D.5079
+ movl -20(%rbp), %eax # p, p
+ shrl %eax # D.5080
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp208
+ mov %eax, %edx # D.5080, D.5080
+ movq %rdx, %rax # D.5080, D.5080
+ addq %rax, %rax # D.5080
+ addq %rdx, %rax # D.5080, D.5080
+ salq $3, %rax #, tmp211
+ movl (%rax,%rcx), %ecx # <variable>.uValue, D.5081
+ movq -40(%rbp), %rsi # pList, pList
+ mov %edi, %edx # D.5079, D.5079
+ movq %rdx, %rax # D.5079, D.5079
+ addq %rax, %rax # D.5079
+ addq %rdx, %rax # D.5079, D.5079
+ salq $2, %rax #, tmp215
+ addq %rsi, %rax # pList, tmp216
+ addq $12, %rax #, tmp217
+ movl %ecx, (%rax) # D.5081, <variable>.uVal
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5082
+ leal 1(%rax), %edx #, D.5083
+ movq -40(%rbp), %rax # pList, pList
+ movl %edx, (%rax) # D.5083, <variable>.uCount
+ jmp L10 #
+L12:
+ movl -12(%rbp), %eax # iIndex, iIndex
+ cltq
+ salq $2, %rax #, D.5085
+ movq %rax, %rdx # D.5085, D.5086
+ movq _g_pVectorDelta@GOTPCREL(%rip), %rax #, tmp221
+ movq (%rax), %rax # g_pVectorDelta, g_pVectorDelta.17
+ leaq (%rdx,%rax), %rax #, D.5088
+ movzbl 3(%rax), %eax # <variable>.iNegDelta, D.5089
+ movsbl %al,%eax # D.5089, D.5089
+ movl %eax, -4(%rbp) # D.5089, iDelta
+ movl -4(%rbp), %eax # iDelta, iDelta.18
+ addl -52(%rbp), %eax # cSquare, tmp223
+ movl %eax, -8(%rbp) # tmp223, cBlockIndex
+ jmp L14 #
+L15:
+ movl -8(%rbp), %eax # cBlockIndex, cBlockIndex.19
+ movq -48(%rbp), %rdx # pos, pos
+ mov %eax, %eax # cBlockIndex.19, cBlockIndex.19
+ movl (%rdx,%rax,8), %eax # <variable>.D.2182.pPiece, D.5092
+ testl %eax, %eax # D.5092
+ jne L10 #,
+ movl -4(%rbp), %edx # iDelta, iDelta.20
+ leaq -8(%rbp), %rax #, tmp260
+ addl %edx, (%rax) # iDelta.20, cBlockIndex
+L14:
+ movl -8(%rbp), %eax # cBlockIndex, cBlockIndex
+ cmpl -16(%rbp), %eax # c, cBlockIndex
+ jne L15 #,
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5094
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # D.5094, D.5094
+ movq %rdx, %rax # D.5094, D.5094
+ addq %rax, %rax # D.5094
+ addq %rdx, %rax # D.5094, D.5094
+ salq $2, %rax #, tmp231
+ addq %rcx, %rax # pList, tmp232
+ leaq 4(%rax), %rdx #, tmp233
+ movl -20(%rbp), %eax # p, p
+ movl %eax, (%rdx) # p, <variable>.pPiece
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5095
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # D.5095, D.5095
+ movq %rdx, %rax # D.5095, D.5095
+ addq %rax, %rax # D.5095
+ addq %rdx, %rax # D.5095, D.5095
+ salq $2, %rax #, tmp239
+ addq %rcx, %rax # pList, tmp240
+ leaq 8(%rax), %rdx #, tmp241
+ movl -16(%rbp), %eax # c, c
+ movl %eax, (%rdx) # c, <variable>.cLoc
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %edi # <variable>.uCount, D.5096
+ movl -20(%rbp), %eax # p, p
+ shrl %eax # D.5097
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp245
+ mov %eax, %edx # D.5097, D.5097
+ movq %rdx, %rax # D.5097, D.5097
+ addq %rax, %rax # D.5097
+ addq %rdx, %rax # D.5097, D.5097
+ salq $3, %rax #, tmp248
+ movl (%rax,%rcx), %ecx # <variable>.uValue, D.5098
+ movq -40(%rbp), %rsi # pList, pList
+ mov %edi, %edx # D.5096, D.5096
+ movq %rdx, %rax # D.5096, D.5096
+ addq %rax, %rax # D.5096
+ addq %rdx, %rax # D.5096, D.5096
+ salq $2, %rax #, tmp252
+ addq %rsi, %rax # pList, tmp253
+ addq $12, %rax #, tmp254
+ movl %ecx, (%rax) # D.5098, <variable>.uVal
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5099
+ leal 1(%rax), %edx #, D.5100
+ movq -40(%rbp), %rax # pList, pList
+ movl %edx, (%rax) # D.5100, <variable>.uCount
+L10:
+ decl -60(%rbp) # x
+L8:
+ cmpl $-1, -60(%rbp) #, x
+ jne L9 #,
+ leave
+ ret
+LFE33:
+__PushDown:
+LFB34:
+ pushq %rbp #
+LCFI2:
+ movq %rsp, %rbp #,
+LCFI3:
+ subq $48, %rsp #,
+LCFI4:
+ movq %rdi, -40(%rbp) # p, p
+ movl %esi, -44(%rbp) # u, u
+ movl -44(%rbp), %eax # u, u
+ addl %eax, %eax # D.5121
+ incl %eax # tmp74
+ movl %eax, -12(%rbp) # tmp74, l
+ movq -40(%rbp), %rax # p, p
+ movl (%rax), %eax # <variable>.uCount, D.5122
+ cmpl -12(%rbp), %eax # l, D.5122
+ jbe L29 #,
+ movl -12(%rbp), %eax # l, tmp76
+ incl %eax # tmp76
+ movl %eax, -8(%rbp) # tmp76, r
+ movl -44(%rbp), %eax # u, u
+ movl %eax, -4(%rbp) # u, uSmallest
+ movl -12(%rbp), %eax # l, l.21
+ movq -40(%rbp), %rcx # p, p
+ mov %eax, %edx # l.21, l.21
+ movq %rdx, %rax # l.21, l.21
+ addq %rax, %rax # l.21
+ addq %rdx, %rax # l.21, l.21
+ salq $2, %rax #, tmp81
+ addq %rcx, %rax # p, tmp82
+ addq $12, %rax #, tmp83
+ movl (%rax), %esi # <variable>.uVal, D.5124
+ movl -44(%rbp), %eax # u, u.22
+ movq -40(%rbp), %rcx # p, p
+ mov %eax, %edx # u.22, u.22
+ movq %rdx, %rax # u.22, u.22
+ addq %rax, %rax # u.22
+ addq %rdx, %rax # u.22, u.22
+ salq $2, %rax #, tmp87
+ addq %rcx, %rax # p, tmp88
+ addq $12, %rax #, tmp89
+ movl (%rax), %eax # <variable>.uVal, D.5126
+ cmpl %eax, %esi # D.5126, D.5124
+ jae L23 #,
+ movl -12(%rbp), %eax # l, l
+ movl %eax, -4(%rbp) # l, uSmallest
+L23:
+ movq -40(%rbp), %rax # p, p
+ movl (%rax), %eax # <variable>.uCount, D.5127
+ cmpl -8(%rbp), %eax # r, D.5127
+ jbe L25 #,
+ movl -8(%rbp), %eax # r, r.23
+ movq -40(%rbp), %rcx # p, p
+ mov %eax, %edx # r.23, r.23
+ movq %rdx, %rax # r.23, r.23
+ addq %rax, %rax # r.23
+ addq %rdx, %rax # r.23, r.23
+ salq $2, %rax #, tmp95
+ addq %rcx, %rax # p, tmp96
+ addq $12, %rax #, tmp97
+ movl (%rax), %esi # <variable>.uVal, D.5129
+ movl -4(%rbp), %eax # uSmallest, uSmallest.24
+ movq -40(%rbp), %rcx # p, p
+ mov %eax, %edx # uSmallest.24, uSmallest.24
+ movq %rdx, %rax # uSmallest.24, uSmallest.24
+ addq %rax, %rax # uSmallest.24
+ addq %rdx, %rax # uSmallest.24, uSmallest.24
+ salq $2, %rax #, tmp101
+ addq %rcx, %rax # p, tmp102
+ addq $12, %rax #, tmp103
+ movl (%rax), %eax # <variable>.uVal, D.5131
+ cmpl %eax, %esi # D.5131, D.5129
+ jae L25 #,
+ movl -8(%rbp), %eax # r, r
+ movl %eax, -4(%rbp) # r, uSmallest
+L25:
+ movl -4(%rbp), %eax # uSmallest, uSmallest
+ cmpl -44(%rbp), %eax # u, uSmallest
+ je L29 #,
+ movl -4(%rbp), %eax # uSmallest, uSmallest.25
+ movq -40(%rbp), %rcx # p, p
+ mov %eax, %edx # uSmallest.25, uSmallest.25
+ movq %rdx, %rax # uSmallest.25, uSmallest.25
+ addq %rax, %rax # uSmallest.25
+ addq %rdx, %rax # uSmallest.25, uSmallest.25
+ leaq 0(,%rax,4), %rdx #, tmp109
+ movq 4(%rdx,%rcx), %rax # <variable>.data, tmp110
+ movq %rax, -32(%rbp) # tmp110, temp
+ movl 12(%rdx,%rcx), %eax # <variable>.data, tmp111
+ movl %eax, -24(%rbp) # tmp111, temp
+ movl -4(%rbp), %eax # uSmallest, uSmallest.26
+ movl -44(%rbp), %ecx # u, u.27
+ movq -40(%rbp), %rsi # p, p
+ mov %eax, %edx # uSmallest.26, uSmallest.26
+ movq %rdx, %rax # uSmallest.26, uSmallest.26
+ addq %rax, %rax # uSmallest.26
+ addq %rdx, %rax # uSmallest.26, uSmallest.26
+ leaq 0(,%rax,4), %rdi #, tmp115
+ movq -40(%rbp), %r8 # p, p
+ mov %ecx, %edx # u.27, u.27
+ movq %rdx, %rax # u.27, u.27
+ addq %rax, %rax # u.27
+ addq %rdx, %rax # u.27, u.27
+ leaq 0(,%rax,4), %rdx #, tmp119
+ movq 4(%rdx,%r8), %rax # <variable>.data, tmp120
+ movq %rax, 4(%rdi,%rsi) # tmp120, <variable>.data
+ movl 12(%rdx,%r8), %eax # <variable>.data, tmp121
+ movl %eax, 12(%rdi,%rsi) # tmp121, <variable>.data
+ movl -44(%rbp), %eax # u, u.28
+ movq -40(%rbp), %rcx # p, p
+ mov %eax, %edx # u.28, u.28
+ movq %rdx, %rax # u.28, u.28
+ addq %rax, %rax # u.28
+ addq %rdx, %rax # u.28, u.28
+ leaq 0(,%rax,4), %rdx #, tmp125
+ movq -32(%rbp), %rax # temp, temp
+ movq %rax, 4(%rdx,%rcx) # temp, <variable>.data
+ movl -24(%rbp), %eax # temp, temp
+ movl %eax, 12(%rdx,%rcx) # temp, <variable>.data
+ movl -4(%rbp), %esi # uSmallest, uSmallest
+ movq -40(%rbp), %rdi # p, p
+ call __PushDown #
+L29:
+ leave
+ ret
+LFE34:
+__BuildHeap:
+LFB35:
+ pushq %rbp #
+LCFI5:
+ movq %rsp, %rbp #,
+LCFI6:
+ subq $32, %rsp #,
+LCFI7:
+ movq %rdi, -24(%rbp) # p, p
+ movq -24(%rbp), %rax # p, p
+ movl (%rax), %eax # <variable>.uCount, D.5154
+ shrl %eax # D.5155
+ decl %eax # D.5156
+ movl %eax, -8(%rbp) # D.5156, iStart
+ movl -8(%rbp), %eax # iStart, iStart
+ movl %eax, -4(%rbp) # iStart, i
+ jmp L31 #
+L32:
+ movl -4(%rbp), %esi # i, i.29
+ movq -24(%rbp), %rdi # p, p
+ call __PushDown #
+ leaq -4(%rbp), %rax #, tmp66
+ decl (%rax) # i
+L31:
+ cmpl $-1, -4(%rbp) #, i
+ jg L32 #,
+ leave
+ ret
+LFE35:
+__BubbleUp:
+LFB36:
+ pushq %rbp #
+LCFI8:
+ movq %rsp, %rbp #,
+LCFI9:
+ subq $32, %rsp #,
+LCFI10:
+ movq %rdi, -24(%rbp) # p, p
+ movl %esi, -28(%rbp) # u, u
+ cmpl $0, -28(%rbp) #, u
+ je L39 #,
+ movl -28(%rbp), %eax # u, D.5164
+ decl %eax # D.5164
+ shrl %eax # tmp67
+ movl %eax, -4(%rbp) # tmp67, uParent
+ movl -4(%rbp), %eax # uParent, uParent.30
+ movq -24(%rbp), %rcx # p, p
+ mov %eax, %edx # uParent.30, uParent.30
+ movq %rdx, %rax # uParent.30, uParent.30
+ addq %rax, %rax # uParent.30
+ addq %rdx, %rax # uParent.30, uParent.30
+ salq $2, %rax #, tmp71
+ addq %rcx, %rax # p, tmp72
+ addq $12, %rax #, tmp73
+ movl (%rax), %esi # <variable>.uVal, D.5166
+ movl -28(%rbp), %eax # u, u.31
+ movq -24(%rbp), %rcx # p, p
+ mov %eax, %edx # u.31, u.31
+ movq %rdx, %rax # u.31, u.31
+ addq %rax, %rax # u.31
+ addq %rdx, %rax # u.31, u.31
+ salq $2, %rax #, tmp77
+ addq %rcx, %rax # p, tmp78
+ addq $12, %rax #, tmp79
+ movl (%rax), %eax # <variable>.uVal, D.5168
+ cmpl %eax, %esi # D.5168, D.5166
+ jbe L39 #,
+ movl -4(%rbp), %eax # uParent, uParent.32
+ movq -24(%rbp), %rcx # p, p
+ mov %eax, %edx # uParent.32, uParent.32
+ movq %rdx, %rax # uParent.32, uParent.32
+ addq %rax, %rax # uParent.32
+ addq %rdx, %rax # uParent.32, uParent.32
+ leaq 0(,%rax,4), %rdx #, tmp83
+ movq 4(%rdx,%rcx), %rax # <variable>.data, tmp84
+ movq %rax, -16(%rbp) # tmp84, temp
+ movl 12(%rdx,%rcx), %eax # <variable>.data, tmp85
+ movl %eax, -8(%rbp) # tmp85, temp
+ movl -4(%rbp), %eax # uParent, uParent.33
+ movl -28(%rbp), %ecx # u, u.34
+ movq -24(%rbp), %rsi # p, p
+ mov %eax, %edx # uParent.33, uParent.33
+ movq %rdx, %rax # uParent.33, uParent.33
+ addq %rax, %rax # uParent.33
+ addq %rdx, %rax # uParent.33, uParent.33
+ leaq 0(,%rax,4), %rdi #, tmp89
+ movq -24(%rbp), %r8 # p, p
+ mov %ecx, %edx # u.34, u.34
+ movq %rdx, %rax # u.34, u.34
+ addq %rax, %rax # u.34
+ addq %rdx, %rax # u.34, u.34
+ leaq 0(,%rax,4), %rdx #, tmp93
+ movq 4(%rdx,%r8), %rax # <variable>.data, tmp94
+ movq %rax, 4(%rdi,%rsi) # tmp94, <variable>.data
+ movl 12(%rdx,%r8), %eax # <variable>.data, tmp95
+ movl %eax, 12(%rdi,%rsi) # tmp95, <variable>.data
+ movl -28(%rbp), %eax # u, u.35
+ movq -24(%rbp), %rcx # p, p
+ mov %eax, %edx # u.35, u.35
+ movq %rdx, %rax # u.35, u.35
+ addq %rax, %rax # u.35
+ addq %rdx, %rax # u.35, u.35
+ leaq 0(,%rax,4), %rdx #, tmp99
+ movq -16(%rbp), %rax # temp, temp
+ movq %rax, 4(%rdx,%rcx) # temp, <variable>.data
+ movl -8(%rbp), %eax # temp, temp
+ movl %eax, 12(%rdx,%rcx) # temp, <variable>.data
+ movl -4(%rbp), %esi # uParent, uParent
+ movq -24(%rbp), %rdi # p, p
+ call __BubbleUp #
+L39:
+ leave
+ ret
+LFE36:
+__ClearPieceByLocation:
+LFB38:
+ pushq %rbp #
+LCFI11:
+ movq %rsp, %rbp #,
+LCFI12:
+ subq $32, %rsp #,
+LCFI13:
+ movq %rdi, -24(%rbp) # pList, pList
+ movl %esi, -28(%rbp) # cLoc, cLoc
+ movl $0, -4(%rbp) #, x
+ jmp L41 #
+L42:
+ movl -4(%rbp), %eax # x, x.37
+ movq -24(%rbp), %rcx # pList, pList
+ mov %eax, %edx # x.37, x.37
+ movq %rdx, %rax # x.37, x.37
+ addq %rax, %rax # x.37
+ addq %rdx, %rax # x.37, x.37
+ salq $2, %rax #, tmp64
+ addq %rcx, %rax # pList, tmp65
+ addq $8, %rax #, tmp66
+ movl (%rax), %eax # <variable>.cLoc, D.5199
+ cmpl -28(%rbp), %eax # cLoc, D.5199
+ jne L43 #,
+ movl -4(%rbp), %esi # x, x
+ movq -24(%rbp), %rdi # pList, pList
+ call __RemoveItem #
+ jmp L46 #
+L43:
+ leaq -4(%rbp), %rax #, tmp71
+ incl (%rax) # x
+L41:
+ movq -24(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5200
+ cmpl -4(%rbp), %eax # x, D.5200
+ ja L42 #,
+L46:
+ leave
+ ret
+LFE38:
+__RemoveItem:
+LFB37:
+ pushq %rbp #
+LCFI14:
+ movq %rsp, %rbp #,
+LCFI15:
+ subq $16, %rsp #,
+LCFI16:
+ movq %rdi, -8(%rbp) # pList, pList
+ movl %esi, -12(%rbp) # x, x
+ movq -8(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5181
+ decl %eax # D.5182
+ cmpl -12(%rbp), %eax # x, D.5182
+ je L48 #,
+ movl -12(%rbp), %edx # x, x.36
+ movq -8(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5184
+ leal -1(%rax), %ecx #, D.5185
+ movq -8(%rbp), %rsi # pList, pList
+ mov %edx, %edx # x.36, x.36
+ movq %rdx, %rax # x.36, x.36
+ addq %rax, %rax # x.36
+ addq %rdx, %rax # x.36, x.36
+ leaq 0(,%rax,4), %rdi #, tmp72
+ movq -8(%rbp), %r8 # pList, pList
+ mov %ecx, %edx # D.5185, D.5185
+ movq %rdx, %rax # D.5185, D.5185
+ addq %rax, %rax # D.5185
+ addq %rdx, %rax # D.5185, D.5185
+ leaq 0(,%rax,4), %rdx #, tmp76
+ movq 4(%rdx,%r8), %rax # <variable>.data, tmp77
+ movq %rax, 4(%rdi,%rsi) # tmp77, <variable>.data
+ movl 12(%rdx,%r8), %eax # <variable>.data, tmp78
+ movl %eax, 12(%rdi,%rsi) # tmp78, <variable>.data
+ movq -8(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5186
+ leal -1(%rax), %edx #, D.5187
+ movq -8(%rbp), %rax # pList, pList
+ movl %edx, (%rax) # D.5187, <variable>.uCount
+ movq -8(%rbp), %rdi # pList, pList
+ movl $0, %esi #,
+ call __PushDown #
+ jmp L51 #
+L48:
+ movq -8(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5188
+ leal -1(%rax), %edx #, D.5189
+ movq -8(%rbp), %rax # pList, pList
+ movl %edx, (%rax) # D.5189, <variable>.uCount
+L51:
+ leave
+ ret
+LFE37:
+__MinLegalPiece:
+LFB39:
+ pushq %rbp #
+LCFI17:
+ movq %rsp, %rbp #,
+LCFI18:
+ subq $80, %rsp #,
+LCFI19:
+ movq %rdi, -24(%rbp) # pos, pos
+ movl %esi, -28(%rbp) # uColor, uColor
+ movq %rdx, -40(%rbp) # pList, pList
+ movq %rcx, -48(%rbp) # pOther, pOther
+ movq %r8, -56(%rbp) # pc, pc
+ movl %r9d, -60(%rbp) # cIgnore, cIgnore
+ movl $0, -64(%rbp) #, x
+ jmp L53 #
+L54:
+ movl -64(%rbp), %eax # x, x.38
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # x.38, x.38
+ movq %rdx, %rax # x.38, x.38
+ addq %rax, %rax # x.38
+ addq %rdx, %rax # x.38, x.38
+ salq $2, %rax #, tmp76
+ addq %rcx, %rax # pList, tmp77
+ addq $4, %rax #, tmp78
+ movl (%rax), %eax # <variable>.pPiece, <variable>.pPiece
+ movl %eax, -8(%rbp) # <variable>.pPiece, p
+ movl -8(%rbp), %eax # p, D.5223
+ andl $14, %eax #, D.5223
+ cmpl $12, %eax #, D.5223
+ jne L55 #,
+ movq -48(%rbp), %rax # pOther, pOther
+ movl (%rax), %eax # <variable>.uCount, D.5224
+ testl %eax, %eax # D.5224
+ jne L57 #,
+ movq -40(%rbp), %rax # pList, pList
+ movl 8(%rax), %edx # <variable>.cLoc, D.5225
+ movq -56(%rbp), %rax # pc, pc
+ movl %edx, (%rax) # D.5225,* pc
+ movq -40(%rbp), %rax # pList, pList
+ movl $0, (%rax) #, <variable>.uCount
+ movl -8(%rbp), %eax # p,
+ movl %eax, -68(%rbp) #, D.5226
+ jmp L59 #
+L55:
+ movl -28(%rbp), %eax # uColor, uColor.39
+ movq -24(%rbp), %rdx # pos, pos
+ mov %eax, %eax # uColor.39, uColor.39
+ salq $6, %rax #, tmp86
+ addq %rdx, %rax # pos, tmp87
+ addq $1136, %rax #, tmp88
+ movl 8(%rax), %eax # <variable>.cNonPawns, tmp89
+ movl %eax, -12(%rbp) # tmp89, cKing
+ movl -64(%rbp), %eax # x, x.40
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # x.40, x.40
+ movq %rdx, %rax # x.40, x.40
+ addq %rax, %rax # x.40
+ addq %rdx, %rax # x.40, x.40
+ salq $2, %rax #, tmp93
+ addq %rcx, %rax # pList, tmp94
+ addq $8, %rax #, tmp95
+ movl (%rax), %esi # <variable>.cLoc, D.5229
+ movl -12(%rbp), %edx # cKing, cKing
+ movq -24(%rbp), %rdi # pos, pos
+ call _ExposesCheck #
+ movl %eax, -4(%rbp) # D.5230, c
+ movl -4(%rbp), %eax # c, D.5233
+ andl $136, %eax #, D.5233
+ testl %eax, %eax # D.5233
+ jne L60 #,
+ movl -4(%rbp), %eax # c, c
+ cmpl -60(%rbp), %eax # cIgnore, c
+ jne L57 #,
+L60:
+ movl -64(%rbp), %eax # x, x.41
+ movq -40(%rbp), %rcx # pList, pList
+ mov %eax, %edx # x.41, x.41
+ movq %rdx, %rax # x.41, x.41
+ addq %rax, %rax # x.41
+ addq %rdx, %rax # x.41, x.41
+ salq $2, %rax #, tmp102
+ addq %rcx, %rax # pList, tmp103
+ addq $8, %rax #, tmp104
+ movl (%rax), %edx # <variable>.cLoc, D.5235
+ movq -56(%rbp), %rax # pc, pc
+ movl %edx, (%rax) # D.5235,* pc
+ movq -40(%rbp), %rdi # pList, pList
+ movl -64(%rbp), %esi # x, x
+ call __RemoveItem #
+ movl -8(%rbp), %eax # p,
+ movl %eax, -68(%rbp) #, D.5226
+ jmp L59 #
+L57:
+ incl -64(%rbp) # x
+L53:
+ movq -40(%rbp), %rax # pList, pList
+ movl (%rax), %eax # <variable>.uCount, D.5236
+ cmpl -64(%rbp), %eax # x, D.5236
+ ja L54 #,
+ movl $0, -68(%rbp) #, D.5226
+L59:
+ movl -68(%rbp), %eax # D.5226, <result>
+ leave
+ ret
+LFE39:
+__AddXRays:
+LFB40:
+ pushq %rbp #
+LCFI20:
+ movq %rsp, %rbp #,
+LCFI21:
+ subq $64, %rsp #,
+LCFI22:
+ movq %rdi, -24(%rbp) # pos, pos
+ movl %esi, -28(%rbp) # iAttackerColor, iAttackerColor
+ movl %edx, -32(%rbp) # cTarget, cTarget
+ movl %ecx, -36(%rbp) # cObstacle, cObstacle
+ movq %r8, -48(%rbp) # pAttacks, pAttacks
+ movq %r9, -56(%rbp) # pDefends, pDefends
+ movl -32(%rbp), %edx # cTarget, cTarget.42
+ movl -36(%rbp), %eax # cObstacle, cObstacle.43
+ movl %edx, %ecx # cTarget.42,
+ subl %eax, %ecx # cObstacle.43,
+ movl %ecx, %eax #, tmp118
+ movl %eax, -4(%rbp) # tmp118, iIndex
+ movl -4(%rbp), %eax # iIndex, iIndex
+ cltq
+ salq $2, %rax #, D.5262
+ movq %rax, %rdx # D.5262, D.5263
+ movq _g_pVectorDelta@GOTPCREL(%rip), %rax #, tmp120
+ movq (%rax), %rax # g_pVectorDelta, g_pVectorDelta.44
+ leaq (%rdx,%rax), %rax #, D.5265
+ movzbl (%rax), %eax # <variable>.iVector, D.5266
+ movzbl %al, %eax # D.5266, D.5267
+ shrl $5, %eax #, D.5268
+ xorl $1, %eax #, D.5269
+ andl $1, %eax #, D.5271
+ testb %al, %al # D.5272
+ jne L74 #,
+ movl -4(%rbp), %eax # iIndex, iIndex
+ cltq
+ salq $2, %rax #, D.5274
+ movq %rax, %rdx # D.5274, D.5275
+ movq _g_pVectorDelta@GOTPCREL(%rip), %rax #, tmp122
+ movq (%rax), %rax # g_pVectorDelta, g_pVectorDelta.45
+ leaq (%rdx,%rax), %rax #, D.5277
+ movzbl 2(%rax), %eax # <variable>.iDelta, D.5278
+ movsbl %al,%eax # D.5278, D.5278
+ movl %eax, -16(%rbp) # D.5278, iDelta
+ movl -16(%rbp), %eax # iDelta, iDelta.46
+ addl -36(%rbp), %eax # cObstacle, tmp124
+ movl %eax, -12(%rbp) # tmp124, cIndex
+ jmp L67 #
+L68:
+ movl -12(%rbp), %eax # cIndex, cIndex.47
+ movq -24(%rbp), %rdx # pos, pos
+ mov %eax, %eax # cIndex.47, cIndex.47
+ movl (%rdx,%rax,8), %eax # <variable>.D.2182.pPiece, <variable>.D.2182.pPiece
+ movl %eax, -8(%rbp) # <variable>.D.2182.pPiece, xPiece
+ cmpl $0, -8(%rbp) #, xPiece
+ je L69 #,
+ movl -12(%rbp), %edx # cIndex, cIndex.48
+ movl -32(%rbp), %eax # cTarget, cTarget.49
+ movl %edx, %ecx # cIndex.48,
+ subl %eax, %ecx # cTarget.49,
+ movl %ecx, %eax #, D.5283
+ cltq
+ salq $2, %rax #, D.5285
+ movq %rax, %rdx # D.5285, D.5286
+ movq _g_pVectorDelta@GOTPCREL(%rip), %rax #, tmp128
+ movq (%rax), %rax # g_pVectorDelta, g_pVectorDelta.50
+ addq %rax, %rdx # g_pVectorDelta.50, D.5288
+ movl -8(%rbp), %eax # xPiece, D.5289
+ andl $1, %eax #, D.5289
+ mov %eax, %eax # D.5289, D.5289
+ movzbl (%rdx,%rax), %eax # <variable>.iVector, D.5290
+ movzbl %al, %edx # D.5290, D.5291
+ movl -8(%rbp), %eax # xPiece, xPiece
+ shrl %eax # D.5292
+ movl %eax, %ecx # D.5292, D.5293
+ movl %edx, %eax # D.5291, D.5294
+ sarl %cl, %eax # D.5293, D.5294
+ andl $1, %eax #, D.5295
+ testb %al, %al # D.5296
+ je L74 #,
+ movl -8(%rbp), %edx # xPiece, D.5297
+ andl $1, %edx #, D.5297
+ movl -28(%rbp), %eax # iAttackerColor, iAttackerColor.51
+ cmpl %eax, %edx # iAttackerColor.51, D.5297
+ jne L72 #,
+ movq -48(%rbp), %rax # pAttacks, pAttacks
+ movl (%rax), %eax # <variable>.uCount, D.5299
+ movq -48(%rbp), %rcx # pAttacks, pAttacks
+ mov %eax, %edx # D.5299, D.5299
+ movq %rdx, %rax # D.5299, D.5299
+ addq %rax, %rax # D.5299
+ addq %rdx, %rax # D.5299, D.5299
+ salq $2, %rax #, tmp135
+ addq %rcx, %rax # pAttacks, tmp136
+ leaq 4(%rax), %rdx #, tmp137
+ movl -8(%rbp), %eax # xPiece, xPiece
+ movl %eax, (%rdx) # xPiece, <variable>.pPiece
+ movq -48(%rbp), %rax # pAttacks, pAttacks
+ movl (%rax), %eax # <variable>.uCount, D.5300
+ movq -48(%rbp), %rcx # pAttacks, pAttacks
+ mov %eax, %edx # D.5300, D.5300
+ movq %rdx, %rax # D.5300, D.5300
+ addq %rax, %rax # D.5300
+ addq %rdx, %rax # D.5300, D.5300
+ salq $2, %rax #, tmp143
+ addq %rcx, %rax # pAttacks, tmp144
+ leaq 8(%rax), %rdx #, tmp145
+ movl -12(%rbp), %eax # cIndex, cIndex
+ movl %eax, (%rdx) # cIndex, <variable>.cLoc
+ movq -48(%rbp), %rax # pAttacks, pAttacks
+ movl (%rax), %edi # <variable>.uCount, D.5301
+ movl -8(%rbp), %eax # xPiece, xPiece
+ shrl %eax # D.5302
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp149
+ mov %eax, %edx # D.5302, D.5302
+ movq %rdx, %rax # D.5302, D.5302
+ addq %rax, %rax # D.5302
+ addq %rdx, %rax # D.5302, D.5302
+ salq $3, %rax #, tmp152
+ movl (%rax,%rcx), %ecx # <variable>.uValue, D.5303
+ movq -48(%rbp), %rsi # pAttacks, pAttacks
+ mov %edi, %edx # D.5301, D.5301
+ movq %rdx, %rax # D.5301, D.5301
+ addq %rax, %rax # D.5301
+ addq %rdx, %rax # D.5301, D.5301
+ salq $2, %rax #, tmp156
+ addq %rsi, %rax # pAttacks, tmp157
+ addq $12, %rax #, tmp158
+ movl %ecx, (%rax) # D.5303, <variable>.uVal
+ movq -48(%rbp), %rax # pAttacks, pAttacks
+ movl (%rax), %eax # <variable>.uCount, D.5304
+ leal 1(%rax), %edx #, D.5305
+ movq -48(%rbp), %rax # pAttacks, pAttacks
+ movl %edx, (%rax) # D.5305, <variable>.uCount
+ movq -48(%rbp), %rax # pAttacks, pAttacks
+ movl (%rax), %eax # <variable>.uCount, D.5306
+ leal -1(%rax), %esi #, D.5307
+ movq -48(%rbp), %rdi # pAttacks, pAttacks
+ call __BubbleUp #
+ jmp L74 #
+L72:
+ movq -56(%rbp), %rax # pDefends, pDefends
+ movl (%rax), %eax # <variable>.uCount, D.5308
+ movq -56(%rbp), %rcx # pDefends, pDefends
+ mov %eax, %edx # D.5308, D.5308
+ movq %rdx, %rax # D.5308, D.5308
+ addq %rax, %rax # D.5308
+ addq %rdx, %rax # D.5308, D.5308
+ salq $2, %rax #, tmp167
+ addq %rcx, %rax # pDefends, tmp168
+ leaq 4(%rax), %rdx #, tmp169
+ movl -8(%rbp), %eax # xPiece, xPiece
+ movl %eax, (%rdx) # xPiece, <variable>.pPiece
+ movq -56(%rbp), %rax # pDefends, pDefends
+ movl (%rax), %eax # <variable>.uCount, D.5309
+ movq -56(%rbp), %rcx # pDefends, pDefends
+ mov %eax, %edx # D.5309, D.5309
+ movq %rdx, %rax # D.5309, D.5309
+ addq %rax, %rax # D.5309
+ addq %rdx, %rax # D.5309, D.5309
+ salq $2, %rax #, tmp175
+ addq %rcx, %rax # pDefends, tmp176
+ leaq 8(%rax), %rdx #, tmp177
+ movl -12(%rbp), %eax # cIndex, cIndex
+ movl %eax, (%rdx) # cIndex, <variable>.cLoc
+ movq -56(%rbp), %rax # pDefends, pDefends
+ movl (%rax), %edi # <variable>.uCount, D.5310
+ movl -8(%rbp), %eax # xPiece, xPiece
+ shrl %eax # D.5311
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp181
+ mov %eax, %edx # D.5311, D.5311
+ movq %rdx, %rax # D.5311, D.5311
+ addq %rax, %rax # D.5311
+ addq %rdx, %rax # D.5311, D.5311
+ salq $3, %rax #, tmp184
+ movl (%rax,%rcx), %ecx # <variable>.uValue, D.5312
+ movq -56(%rbp), %rsi # pDefends, pDefends
+ mov %edi, %edx # D.5310, D.5310
+ movq %rdx, %rax # D.5310, D.5310
+ addq %rax, %rax # D.5310
+ addq %rdx, %rax # D.5310, D.5310
+ salq $2, %rax #, tmp188
+ addq %rsi, %rax # pDefends, tmp189
+ addq $12, %rax #, tmp190
+ movl %ecx, (%rax) # D.5312, <variable>.uVal
+ movq -56(%rbp), %rax # pDefends, pDefends
+ movl (%rax), %eax # <variable>.uCount, D.5313
+ leal 1(%rax), %edx #, D.5314
+ movq -56(%rbp), %rax # pDefends, pDefends
+ movl %edx, (%rax) # D.5314, <variable>.uCount
+ movq -56(%rbp), %rax # pDefends, pDefends
+ movl (%rax), %eax # <variable>.uCount, D.5315
+ leal -1(%rax), %esi #, D.5316
+ movq -56(%rbp), %rdi # pDefends, pDefends
+ call __BubbleUp #
+ jmp L74 #
+L69:
+ movl -16(%rbp), %edx # iDelta, iDelta.52
+ leaq -12(%rbp), %rax #, tmp196
+ addl %edx, (%rax) # iDelta.52, cIndex
+L67:
+ movl -12(%rbp), %eax # cIndex, D.5318
+ andl $136, %eax #, D.5318
+ testl %eax, %eax # D.5318
+ je L68 #,
+L74:
+ leave
+ ret
+LFE40:
+ .data
+ .align 4
+__Table.5343:
+ .long 0
+ .long 0
+ .long 1
+ .long 1
+ .long 0
+ .long 0
+ .text
+.globl _SEE
+_SEE:
+LFB41:
+ pushq %rbp #
+LCFI23:
+ movq %rsp, %rbp #,
+LCFI24:
+ subq $592, %rsp #,
+LCFI25:
+ movq %rdi, -584(%rbp) # pos, pos
+ movl %esi, -588(%rbp) # mv, mv
+ movl -588(%rbp), %eax #, tmp194
+ shrl $16, %eax #, tmp193
+ andl $15, %eax #, D.5349
+ movzbl %al, %eax # D.5349, D.5350
+ andl $1, %eax #, tmp195
+ movl %eax, -20(%rbp) # tmp195, uWhoseTurn
+ movl -20(%rbp), %eax # uWhoseTurn, uWhoseTurn
+ movl %eax, -16(%rbp) # uWhoseTurn, uOrig
+ movl $1, -12(%rbp) #, iSign
+ movzbl -588(%rbp), %eax # mv.D.2138.cFrom, D.5351
+ movzbl %al, %eax # D.5351, D.5352
+ movl %eax, -564(%rbp) # D.5352, cFrom
+ movzbl -587(%rbp), %eax # mv.D.2138.cTo, D.5353
+ movzbl %al, %edx # D.5353, D.5354
+ mov -20(%rbp), %eax # uWhoseTurn, D.5355
+ imulq $196, %rax, %rax #, D.5355, D.5356
+ leaq -432(%rbp), %rdi #, D.5358
+ addq %rax, %rdi # D.5357, D.5358
+ movl -20(%rbp), %ecx # uWhoseTurn, uWhoseTurn
+ movq -584(%rbp), %rsi # pos, pos
+ call _GetAttacks #
+ movl -20(%rbp), %ecx # uWhoseTurn, D.5359
+ xorl $1, %ecx #, D.5359
+ movzbl -587(%rbp), %eax # mv.D.2138.cTo, D.5360
+ movzbl %al, %edx # D.5360, D.5361
+ movl -20(%rbp), %eax # uWhoseTurn, D.5362
+ xorl $1, %eax #, D.5362
+ mov %eax, %eax # D.5362, D.5363
+ imulq $196, %rax, %rax #, D.5363, D.5364
+ leaq -432(%rbp), %rdi #, D.5366
+ addq %rax, %rdi # D.5365, D.5366
+ movq -584(%rbp), %rsi # pos, pos
+ call _GetAttacks #
+ movl -20(%rbp), %eax # uWhoseTurn, D.5367
+ xorl $1, %eax #, D.5367
+ mov %eax, %eax # D.5367, D.5368
+ imulq $196, %rax, %rax #, D.5368, D.5369
+ leaq -432(%rbp), %rdi #, D.5371
+ addq %rax, %rdi # D.5370, D.5371
+ call __BuildHeap #
+ mov -20(%rbp), %eax # uWhoseTurn, D.5372
+ imulq $196, %rax, %rax #, D.5372, D.5373
+ leaq -432(%rbp), %rdi #, D.5375
+ addq %rax, %rdi # D.5374, D.5375
+ call __BuildHeap #
+ movl -588(%rbp), %eax #, tmp202
+ shrl $20, %eax #, tmp201
+ andl $15, %eax #, D.5376
+ movzbl %al, %eax # D.5376, D.5377
+ sarl %eax # D.5378
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp203
+ movslq %eax,%rdx # D.5378, D.5378
+ movq %rdx, %rax # D.5378, D.5378
+ addq %rax, %rax # D.5378
+ addq %rdx, %rax # D.5378, D.5378
+ salq $3, %rax #, tmp206
+ movl (%rax,%rcx), %esi # <variable>.uValue, D.5379
+ movl -588(%rbp), %eax #, tmp209
+ shrl $24, %eax #, tmp208
+ andl $15, %eax #, D.5380
+ movzbl %al, %eax # D.5380, D.5381
+ sarl %eax # D.5382
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp210
+ movslq %eax,%rdx # D.5382, D.5382
+ movq %rdx, %rax # D.5382, D.5382
+ addq %rax, %rax # D.5382
+ addq %rdx, %rax # D.5382, D.5382
+ salq $3, %rax #, tmp213
+ movl (%rax,%rcx), %eax # <variable>.uValue, D.5383
+ leal (%rsi,%rax), %eax #, D.5384
+ movl %eax, -560(%rbp) # D.5385, rgiList
+ movl -588(%rbp), %eax #, tmp216
+ shrl $16, %eax #, tmp215
+ andl $15, %eax #, D.5386
+ movzbl %al, %eax # D.5386, D.5387
+ sarl %eax # D.5388
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp217
+ movslq %eax,%rdx # D.5388, D.5388
+ movq %rdx, %rax # D.5388, D.5388
+ addq %rax, %rax # D.5388
+ addq %rdx, %rax # D.5388, D.5388
+ salq $3, %rax #, tmp220
+ movl (%rax,%rcx), %esi # <variable>.uValue, D.5389
+ movl -588(%rbp), %eax #, tmp223
+ shrl $24, %eax #, tmp222
+ andl $15, %eax #, D.5390
+ movzbl %al, %eax # D.5390, D.5391
+ sarl %eax # D.5392
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp224
+ movslq %eax,%rdx # D.5392, D.5392
+ movq %rdx, %rax # D.5392, D.5392
+ addq %rax, %rax # D.5392
+ addq %rdx, %rax # D.5392, D.5392
+ salq $3, %rax #, tmp227
+ movl (%rax,%rcx), %eax # <variable>.uValue, D.5393
+ leal (%rsi,%rax), %eax #, tmp228
+ movl %eax, -28(%rbp) # tmp228, uInPeril
+ movl $1, -24(%rbp) #, uListIndex
+ movzbl -588(%rbp), %eax # mv.D.2138.cFrom, D.5394
+ movzbl %al, %esi # D.5394, D.5395
+ mov -20(%rbp), %eax # uWhoseTurn, D.5396
+ imulq $196, %rax, %rax #, D.5396, D.5397
+ leaq -432(%rbp), %rdi #, D.5399
+ addq %rax, %rdi # D.5398, D.5399
+ call __ClearPieceByLocation #
+ movl -20(%rbp), %eax # uWhoseTurn, D.5400
+ xorl $1, %eax #, D.5400
+ mov %eax, %eax # D.5400, D.5401
+ imulq $196, %rax, %rax #, D.5401, D.5402
+ leaq -432(%rbp), %rcx #, D.5404
+ addq %rax, %rcx # D.5403, D.5404
+ mov -20(%rbp), %eax # uWhoseTurn, D.5405
+ imulq $196, %rax, %rax #, D.5405, D.5406
+ leaq -432(%rbp), %rdx #, D.5408
+ addq %rax, %rdx # D.5407, D.5408
+ movzbl -588(%rbp), %eax # mv.D.2138.cFrom, D.5409
+ movzbl %al, %esi # D.5409, D.5410
+ movzbl -587(%rbp), %eax # mv.D.2138.cTo, D.5411
+ movzbl %al, %eax # D.5411, D.5412
+ movl -20(%rbp), %edi # uWhoseTurn, uWhoseTurn.53
+ movq -584(%rbp), %r10 # pos, pos
+ movq %rcx, %r9 # D.5404, D.5404
+ movq %rdx, %r8 # D.5408, D.5408
+ movl %esi, %ecx # D.5410, D.5410
+ movl %eax, %edx # D.5412, D.5412
+ movl %edi, %esi # uWhoseTurn.53, uWhoseTurn.53
+ movq %r10, %rdi # pos, pos
+ call __AddXRays #
+ jmp L76 #
+L85:
+ movl -32(%rbp), %eax # pPiece, D.5425
+ andl $14, %eax #, D.5425
+ cmpl $2, %eax #, D.5425
+ sete %al #, tmp233
+ movzbl %al, %ecx # tmp233, D.5426
+ movzbl -587(%rbp), %eax # mv.D.2138.cTo, D.5427
+ movzbl %al, %eax # D.5427, D.5428
+ andl $240, %eax #, D.5429
+ cmpl $112, %eax #, D.5429
+ sete %dl #, D.5430
+ movzbl -587(%rbp), %eax # mv.D.2138.cTo, D.5431
+ movzbl %al, %eax # D.5431, D.5432
+ andl $240, %eax #, D.5433
+ testl %eax, %eax # D.5433
+ sete %al #, D.5434
+ orl %edx, %eax # D.5430, D.5435
+ movzbl %al, %eax # D.5435, D.5436
+ andl %ecx, %eax # D.5426, D.5437
+ movl %eax, -8(%rbp) # D.5437, uPromValue
+ movl -8(%rbp), %edx # uPromValue, uPromValue
+ movl %edx, %eax # uPromValue, uPromValue
+ sall $4, %eax #, tmp236
+ subl %edx, %eax # uPromValue, tmp236
+ movl %eax, %edx # tmp236, tmp237
+ sall $6, %edx #, tmp237
+ addl %edx, %eax # tmp237, tmp238
+ movl %eax, -8(%rbp) # tmp238, uPromValue
+ movl -24(%rbp), %esi # uListIndex, uListIndex.55
+ movl -24(%rbp), %eax # uListIndex, D.5439
+ decl %eax # D.5439
+ mov %eax, %eax # D.5439, D.5439
+ movl -560(%rbp,%rax,4), %eax # rgiList, D.5440
+ movl %eax, %ecx # D.5440, D.5441
+ movl -8(%rbp), %eax # uPromValue, uPromValue
+ movl -28(%rbp), %edx # uInPeril, D.5442
+ addl %eax, %edx # uPromValue, D.5442
+ movl -12(%rbp), %eax # iSign, iSign.56
+ imull %edx, %eax # D.5442, D.5444
+ leal (%rcx,%rax), %eax #, D.5445
+ movl %eax, %edx # D.5445, D.5446
+ mov %esi, %eax # uListIndex.55, uListIndex.55
+ movl %edx, -560(%rbp,%rax,4) # D.5446, rgiList
+ leaq -24(%rbp), %rax #, tmp274
+ incl (%rax) # uListIndex
+ movl -32(%rbp), %eax # pPiece, pPiece
+ shrl %eax # D.5447
+ movq _g_PieceData@GOTPCREL(%rip), %rcx #, tmp243
+ mov %eax, %edx # D.5447, D.5447
+ movq %rdx, %rax # D.5447, D.5447
+ addq %rax, %rax # D.5447
+ addq %rdx, %rax # D.5447, D.5447
+ salq $3, %rax #, tmp246
+ movl (%rax,%rcx), %eax # <variable>.uValue, D.5448
+ addl -8(%rbp), %eax # uPromValue, tmp247
+ movl %eax, -28(%rbp) # tmp247, uInPeril
+ movl -16(%rbp), %eax # uOrig, D.5449
+ xorl $1, %eax #, D.5449
+ mov %eax, %eax # D.5449, D.5450
+ imulq $196, %rax, %rax #, D.5450, D.5451
+ leaq -432(%rbp), %rcx #, D.5453
+ addq %rax, %rcx # D.5452, D.5453
+ mov -16(%rbp), %eax # uOrig, D.5454
+ imulq $196, %rax, %rax #, D.5454, D.5455
+ leaq -432(%rbp), %rdx #, D.5457
+ addq %rax, %rdx # D.5456, D.5457
+ movl -564(%rbp), %r10d # cFrom, cFrom.57
+ movzbl -587(%rbp), %eax # mv.D.2138.cTo, D.5459
+ movzbl %al, %esi # D.5459, D.5460
+ movl -588(%rbp), %eax #, tmp250
+ shrl $16, %eax #, tmp249
+ andl $15, %eax #, D.5461
+ movzbl %al, %eax # D.5461, D.5462
+ andl $1, %eax #, D.5463
+ movq -584(%rbp), %rdi # pos, pos
+ movq %rcx, %r9 # D.5453, D.5453
+ movq %rdx, %r8 # D.5457, D.5457
+ movl %r10d, %ecx # cFrom.57, cFrom.57
+ movl %esi, %edx # D.5460, D.5460
+ movl %eax, %esi # D.5463, D.5463
+ call __AddXRays #
+L76:
+ leaq -20(%rbp), %rax #, tmp270
+ xorl $1, (%rax) #, uWhoseTurn
+ leaq -12(%rbp), %rax #, tmp272
+ negl (%rax) # iSign
+ movl -564(%rbp), %r8d # cFrom, cFrom.54
+ movl -20(%rbp), %eax # uWhoseTurn, D.5415
+ xorl $1, %eax #, D.5415
+ mov %eax, %eax # D.5415, D.5416
+ imulq $196, %rax, %rax #, D.5416, D.5417
+ leaq -432(%rbp), %rcx #, D.5419
+ addq %rax, %rcx # D.5418, D.5419
+ mov -20(%rbp), %eax # uWhoseTurn, D.5420
+ imulq $196, %rax, %rax #, D.5420, D.5421
+ leaq -432(%rbp), %rdx #, D.5423
+ addq %rax, %rdx # D.5422, D.5423
+ leaq -564(%rbp), %rax #, tmp230
+ movl -20(%rbp), %esi # uWhoseTurn, uWhoseTurn
+ movq -584(%rbp), %rdi # pos, pos
+ movl %r8d, %r9d # cFrom.54, cFrom.54
+ movq %rax, %r8 # tmp230,
+ call __MinLegalPiece #
+ movl %eax, -32(%rbp) # D.5424, pPiece
+ cmpl $0, -32(%rbp) #, pPiece
+ jne L85 #,
+L77:
+ leaq -24(%rbp), %rax #, tmp276
+ decl (%rax) # uListIndex
+ jmp L79 #
+L80:
+ movl -24(%rbp), %eax # uListIndex, tmp252
+ andl $1, %eax #, tmp252
+ movl %eax, -4(%rbp) # tmp252, uVal
+ movl -24(%rbp), %eax # uListIndex, uListIndex.58
+ mov %eax, %eax # uListIndex.58, uListIndex.58
+ movl -560(%rbp,%rax,4), %edx # rgiList, D.5465
+ movl -24(%rbp), %eax # uListIndex, D.5466
+ decl %eax # D.5466
+ mov %eax, %eax # D.5466, D.5466
+ movl -560(%rbp,%rax,4), %eax # rgiList, D.5467
+ cmpl %eax, %edx # D.5467, D.5465
+ setg %al #, tmp255
+ movzbl %al, %ecx # tmp255, D.5468
+ movl -24(%rbp), %eax # uListIndex, uListIndex.59
+ mov %eax, %eax # uListIndex.59, uListIndex.59
+ movl -560(%rbp,%rax,4), %edx # rgiList, D.5470
+ movl -24(%rbp), %eax # uListIndex, D.5471
+ decl %eax # D.5471
+ mov %eax, %eax # D.5471, D.5471
+ movl -560(%rbp,%rax,4), %eax # rgiList, D.5472
+ cmpl %eax, %edx # D.5472, D.5470
+ setl %al #, tmp258
+ movzbl %al, %eax # tmp258, D.5473
+ movl %ecx, %edx # D.5468,
+ subl %eax, %edx # D.5473,
+ movl %edx, %eax #, D.5474
+ incl %eax # tmp259
+ movl %eax, -12(%rbp) # tmp259, iSign
+ movl -4(%rbp), %eax # uVal, uVal.60
+ movl -12(%rbp), %edx # iSign, iSign.61
+ mov %eax, %ecx # uVal.60, uVal.60
+ movslq %edx,%rdx # iSign.61, iSign.61
+ movq %rcx, %rax # uVal.60, uVal.60
+ addq %rax, %rax # uVal.60
+ addq %rcx, %rax # uVal.60, uVal.60
+ addq %rdx, %rax # iSign.61, tmp263
+ leaq 0(,%rax,4), %rdx #, tmp264
+ leaq __Table.5343(%rip), %rax #, tmp265
+ movl (%rdx,%rax), %eax # _Table, D.5477
+ cmpl $1, %eax #, D.5477
+ jne L81 #,
+ movl -24(%rbp), %ecx # uListIndex, D.5478
+ decl %ecx # D.5478
+ movl -24(%rbp), %eax # uListIndex, uListIndex.62
+ mov %eax, %eax # uListIndex.62, uListIndex.62
+ movl -560(%rbp,%rax,4), %edx # rgiList, D.5480
+ mov %ecx, %eax # D.5478, D.5478
+ movl %edx, -560(%rbp,%rax,4) # D.5480, rgiList
+L81:
+ leaq -24(%rbp), %rax #, tmp278
+ decl (%rax) # uListIndex
+L79:
+ cmpl $0, -24(%rbp) #, uListIndex
+ jne L80 #,
+ movl -560(%rbp), %eax # rgiList, D.5481
+ leave
+ ret
+LFE41:
+ .section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
+EH_frame1:
+ .set L$set$0,LECIE1-LSCIE1
+ .long L$set$0
+LSCIE1:
+ .long 0x0
+ .byte 0x1
+ .ascii "zR\0"
+ .byte 0x1
+ .byte 0x78
+ .byte 0x10
+ .byte 0x1
+ .byte 0x10
+ .byte 0xc
+ .byte 0x7
+ .byte 0x8
+ .byte 0x90
+ .byte 0x1
+ .align 3
+LECIE1:
+ .globl _SlowGetAttacks.eh
+_SlowGetAttacks.eh:
+LSFDE1:
+ .set L$set$1,LEFDE1-LASFDE1
+ .long L$set$1
+LASFDE1:
+ .long LASFDE1-EH_frame1
+ .quad LFB33-.
+ .set L$set$2,LFE33-LFB33
+ .quad L$set$2
+ .byte 0x0
+ .byte 0x4
+ .set L$set$3,LCFI0-LFB33
+ .long L$set$3
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$4,LCFI1-LCFI0
+ .long L$set$4
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE1:
+__PushDown.eh:
+LSFDE3:
+ .set L$set$5,LEFDE3-LASFDE3
+ .long L$set$5
+LASFDE3:
+ .long LASFDE3-EH_frame1
+ .quad LFB34-.
+ .set L$set$6,LFE34-LFB34
+ .quad L$set$6
+ .byte 0x0
+ .byte 0x4
+ .set L$set$7,LCFI2-LFB34
+ .long L$set$7
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$8,LCFI3-LCFI2
+ .long L$set$8
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE3:
+__BuildHeap.eh:
+LSFDE5:
+ .set L$set$9,LEFDE5-LASFDE5
+ .long L$set$9
+LASFDE5:
+ .long LASFDE5-EH_frame1
+ .quad LFB35-.
+ .set L$set$10,LFE35-LFB35
+ .quad L$set$10
+ .byte 0x0
+ .byte 0x4
+ .set L$set$11,LCFI5-LFB35
+ .long L$set$11
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$12,LCFI6-LCFI5
+ .long L$set$12
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE5:
+__BubbleUp.eh:
+LSFDE7:
+ .set L$set$13,LEFDE7-LASFDE7
+ .long L$set$13
+LASFDE7:
+ .long LASFDE7-EH_frame1
+ .quad LFB36-.
+ .set L$set$14,LFE36-LFB36
+ .quad L$set$14
+ .byte 0x0
+ .byte 0x4
+ .set L$set$15,LCFI8-LFB36
+ .long L$set$15
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$16,LCFI9-LCFI8
+ .long L$set$16
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE7:
+__ClearPieceByLocation.eh:
+LSFDE9:
+ .set L$set$17,LEFDE9-LASFDE9
+ .long L$set$17
+LASFDE9:
+ .long LASFDE9-EH_frame1
+ .quad LFB38-.
+ .set L$set$18,LFE38-LFB38
+ .quad L$set$18
+ .byte 0x0
+ .byte 0x4
+ .set L$set$19,LCFI11-LFB38
+ .long L$set$19
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$20,LCFI12-LCFI11
+ .long L$set$20
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE9:
+__RemoveItem.eh:
+LSFDE11:
+ .set L$set$21,LEFDE11-LASFDE11
+ .long L$set$21
+LASFDE11:
+ .long LASFDE11-EH_frame1
+ .quad LFB37-.
+ .set L$set$22,LFE37-LFB37
+ .quad L$set$22
+ .byte 0x0
+ .byte 0x4
+ .set L$set$23,LCFI14-LFB37
+ .long L$set$23
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$24,LCFI15-LCFI14
+ .long L$set$24
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE11:
+__MinLegalPiece.eh:
+LSFDE13:
+ .set L$set$25,LEFDE13-LASFDE13
+ .long L$set$25
+LASFDE13:
+ .long LASFDE13-EH_frame1
+ .quad LFB39-.
+ .set L$set$26,LFE39-LFB39
+ .quad L$set$26
+ .byte 0x0
+ .byte 0x4
+ .set L$set$27,LCFI17-LFB39
+ .long L$set$27
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$28,LCFI18-LCFI17
+ .long L$set$28
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE13:
+__AddXRays.eh:
+LSFDE15:
+ .set L$set$29,LEFDE15-LASFDE15
+ .long L$set$29
+LASFDE15:
+ .long LASFDE15-EH_frame1
+ .quad LFB40-.
+ .set L$set$30,LFE40-LFB40
+ .quad L$set$30
+ .byte 0x0
+ .byte 0x4
+ .set L$set$31,LCFI20-LFB40
+ .long L$set$31
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$32,LCFI21-LCFI20
+ .long L$set$32
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE15:
+ .globl _SEE.eh
+_SEE.eh:
+LSFDE17:
+ .set L$set$33,LEFDE17-LASFDE17
+ .long L$set$33
+LASFDE17:
+ .long LASFDE17-EH_frame1
+ .quad LFB41-.
+ .set L$set$34,LFE41-LFB41
+ .quad L$set$34
+ .byte 0x0
+ .byte 0x4
+ .set L$set$35,LCFI23-LFB41
+ .long L$set$35
+ .byte 0xe
+ .byte 0x10
+ .byte 0x86
+ .byte 0x2
+ .byte 0x4
+ .set L$set$36,LCFI24-LCFI23
+ .long L$set$36
+ .byte 0xd
+ .byte 0x6
+ .align 3
+LEFDE17:
+ .subsections_via_symbols
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ sig.c
+
+Abstract:
+
+ Position signature code... the algorithm is a Zobrist hash scheme.
+ Every piece has a different 64-bit "seed" for every different
+ square. Plus some non-piece/location features of a position (such
+ as legal castling rights or the en passant location) have 64-bit
+ "seed" keys. The position's signature is the xor sum of all these
+ seeds. A position's pawn hash signature is the xor sum of all
+ pawn-related seeds. These signatures, once computed, can be
+ incrementally maintained by just xoring off the seed of a moving
+ piece's from location and xoring on the seed of its to location.
+ These signatures are used as the basis for the pawn hash and main
+ transposition table code.
+
+Author:
+
+
+Revision History:
+
+ $Id: sig.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+UINT64 g_u64SigSeeds[128][7][2];
+UINT64 g_u64PawnSigSeeds[128][2];
+UINT64 g_u64CastleSigSeeds[16];
+UINT64 g_u64EpSigSeeds[9];
+
+void
+InitializeSigSystem(void)
+/**
+
+Routine description:
+
+ Populate the arrays of signature keys (see above) used to generate
+ normal and pawn signatures for POSITIONs.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x, y, z;
+ UINT uChecksum = 0;
+ ULONG uRandom;
+
+ memset(g_u64SigSeeds, 0, sizeof(g_u64SigSeeds));
+ memset(g_u64PawnSigSeeds, 0, sizeof(g_u64PawnSigSeeds));
+ memset(g_u64CastleSigSeeds, 0, sizeof(g_u64CastleSigSeeds));
+ memset(g_u64EpSigSeeds, 0, sizeof(g_u64EpSigSeeds));
+ seedMT(2222);
+
+ for (x = A; x <= H+1; x++)
+ {
+ //
+ // Do en-passant sig
+ //
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64EpSigSeeds[x] = (UINT64)uRandom << 32;
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64EpSigSeeds[x] |= uRandom;
+ g_u64EpSigSeeds[x] &= ~1;
+ }
+
+ //
+ // Foreach square on the board.
+ //
+ for (x = 0; x < 128; x++)
+ {
+ //
+ // For both colors
+ //
+ FOREACH_COLOR(z)
+ {
+ //
+ // Do the pawn sigs
+ //
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64PawnSigSeeds[x][z] = (UINT64)uRandom << 32;
+
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64PawnSigSeeds[x][z] |= uRandom;
+ g_u64PawnSigSeeds[x][z] &= ~1;
+
+ //
+ // Do the piece sigs
+ //
+ for (y = 0; y < 7; y++)
+ {
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64SigSeeds[x][y][z] = (UINT64)uRandom << 32;
+
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64SigSeeds[x][y][z] |= uRandom;
+ g_u64SigSeeds[x][y][z] &= ~1;
+ }
+ }
+ }
+
+ //
+ // For all castle permissions
+ //
+ for (x = 0; x < 16; x++)
+ {
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64CastleSigSeeds[x] = (UINT64)uRandom << 32;
+
+ uRandom = randomMT();
+ uChecksum ^= uRandom;
+ g_u64CastleSigSeeds[x] |= uRandom;
+ g_u64CastleSigSeeds[x] &= ~1;
+ }
+
+ //
+ // Make sure we got what we expected.
+ //
+ if (uChecksum != 0xac19ab2b)
+ {
+ UtilPanic(DETECTED_INCORRECT_INITIALIZATION,
+ NULL,
+ "signature system",
+ (void *)uChecksum,
+ (void *)0xac19ab2b,
+ __FILE__, __LINE__);
+ }
+}
+
+
+UINT64
+ComputePawnSig(POSITION *pos)
+/**
+
+Routine description:
+
+ Given a board, recompute the pawn signature from scratch.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ UINT64
+
+**/
+{
+ register COOR c;
+ PIECE p;
+ UINT64 u64Sum = 0;
+
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c)) continue;
+
+ p = pos->rgSquare[c].pPiece;
+ if (IS_PAWN(p))
+ {
+ u64Sum ^= g_u64PawnSigSeeds[c][GET_COLOR(p)];
+ }
+ }
+ return(u64Sum);
+}
+
+
+UINT64
+ComputeSig(POSITION *pos)
+/**
+
+Routine description:
+
+ Given a board, recompute the main signature from scratch.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ UINT64
+
+**/
+{
+ register COOR c;
+ UINT64 u64Sum = 0;
+ PIECE p;
+
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c)) continue;
+
+ p = pos->rgSquare[c].pPiece;
+
+ if (!IS_EMPTY(p) && !IS_PAWN(p))
+ {
+ ASSERT(IS_VALID_PIECE(p));
+ u64Sum ^= g_u64SigSeeds[c][PIECE_TYPE(p)][GET_COLOR(p)];
+ }
+ }
+
+ //
+ // Update the signature to reflect the castle permissions and ep
+ // square at this point.
+ //
+ u64Sum ^= g_u64CastleSigSeeds[pos->bvCastleInfo];
+ u64Sum ^= g_u64EpSigSeeds[FILE(pos->cEpSquare)];
+
+ //
+ // Update the low order bit to reflect the side to move.
+ //
+ if (pos->uToMove == WHITE)
+ {
+ u64Sum |= 1;
+ }
+ else
+ {
+ u64Sum &= ~1;
+ }
+ ASSERT((u64Sum & 1) == pos->uToMove);
+
+ return(u64Sum);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ split.c
+
+Abstract:
+
+ This code is the glue needed to run a parallel search. Let me
+ encourage other chess programmers to read this code carefully.
+ Implementing a parallel search is pretty easy and I procrastinated
+ doing it for WAY too long because I was afraid to sink multiple
+ months into coding it up. It's not as hard as you think. If you
+ have a good handle on multi-threaded programming then you can do
+ something that works pretty well in a week.
+
+ Here's my system (which is not original -- I believe this is the
+ same idea that Bruce Moreland used for Ferret and I've been told
+ it's simiar to what Bob Hyatt does in Crafty). You want to split
+ the search on all-nodes. There is some overhead involved in
+ splitting the tree and, after you paid the price, you do not want
+ one of the moves failing high... because then you have to abort
+ the split and return a fail high.
+
+ Once my search has one of these nodes, it calls in here to split
+ the tree. What's involved with splitting the tree is:
+
+ 1. populating a "split node" with data about the position
+ we are splitting in.
+ 2. grabbing zero or more idle "worker threads" to come help
+ with the split.
+ 3. all threads searching under the split grab a move from
+ the move list and search that move's subtree in parallel.
+ 4. when a subtree is evaluated... all threads update the
+ split node with new information (i.e. raise alpha or, in
+ the undesirable case that a thread failed high, toggles
+ a flag in the split node to inform the rest of the
+ searchers).
+ 5. before grabbing the next move, each thread updates its
+ local alpha to pick up window-narrowing information
+ encountered by other threads.
+ 6. goto step 3, stop when there are no more moves or
+ thread finds a fail high.
+
+ ------------------------------------------------------------------
+
+ This is a quote from some win32 blog about the x86 memory model
+ which I found helpful to read while I was thinking about
+ multithreaded code in this module:
+
+ "The most familiar model is X86. It's a relatively strong model.
+ Stores are never reordered with respect to other stores. But, in
+ the absence of data dependence, loads can be reordered with
+ respect to other loads and stores. Many X86 developers don't
+ realize that this reordering is possible, though it can lead to
+ some nasty failures under stress on big MP machines.
+
+ In terms of the above, the memory model for X86 can be described as:
+
+ 1. All stores are actually store.release (upward memory fence).
+ This means that normal loads can be moved above the
+ store.release but nothing can be moved below it.
+ 2. All loads are normal loads.
+ 3. Any use of the LOCK prefix (e.g. LOCK CMPXCHG or LOCK INC)
+ creates a full memory fence."
+
+Author:
+
+
+Revision History:
+
+ $Id: split.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+#ifdef MP
+
+#include "chess.h"
+
+extern ULONG g_uIterateDepth;
+ULONG g_uNumHelperThreads = 0;
+#define MAX_SPLITS (20)
+#define IDLE ((ULONG)-1)
+
+void
+HelpSearch(SEARCHER_THREAD_CONTEXT *ctx, ULONG u);
+
+//
+// A struct that holds information about helper threads.
+//
+typedef struct _HELPER_THREAD
+{
+ ULONG uHandle;
+ volatile ULONG uAssignment;
+ SEARCHER_THREAD_CONTEXT ctx;
+#ifdef PERF_COUNTERS
+ UINT64 u64IdleCycles;
+ UINT64 u64BusyCycles;
+#endif
+} HELPER_THREAD;
+
+//
+// An array of these structs that is alloced dynamically so that N
+// cpus is not a hardcoded thing, the engine can scale N based on
+// where it is running.
+//
+static HELPER_THREAD *g_HelperThreads = NULL;
+
+//
+// An array of structs that hold information about where we have split
+// the search tree.
+//
+static SPLIT_INFO g_SplitInfo[MAX_SPLITS];
+
+//
+// In addition to this main split database lock each split entry has
+// its own private lock. This way contention between searcher threads
+// operating on different split nodes is eliminated.
+//
+volatile static ULONG g_uSplitLock = 0;
+#define SPLITS_LOCKED (g_uSplitLock != 0)
+#define LOCK_SPLITS \
+ AcquireSpinLock(&g_uSplitLock); \
+ ASSERT(SPLITS_LOCKED);
+#define UNLOCK_SPLITS \
+ ASSERT(SPLITS_LOCKED); \
+ ReleaseSpinLock(&g_uSplitLock);
+
+static ULONG g_uNumSplitsAvailable;
+volatile ULONG g_uNumHelpersAvailable;
+
+
+ULONG
+HelperThreadIdleLoop(IN ULONG uMyId)
+/**
+
+Routine description:
+
+ The entry point of a helper thread. It will spin in the idle loop
+ here until another thread splits the search tree, sees that it is
+ idle, and notifies it to come help by changing the assignment
+ field in its struct.
+
+Parameters:
+
+ ULONG uMyId : this thread's index in g_HelperThreads
+
+Return value:
+
+ ULONG
+
+**/
+{
+ SEARCHER_THREAD_CONTEXT *ctx = &(g_HelperThreads[uMyId].ctx);
+ ULONG u, v;
+ MOVE mv;
+ ULONG uIdleLoops = 0;
+#ifdef PERF_COUNTERS
+ UINT64 u64Then;
+ UINT64 u64Now;
+#endif
+#ifdef DEBUG
+ POSITION board;
+#endif
+ InitializeSearcherContext(NULL, ctx);
+ ctx->uThreadNumber = uMyId + 1;
+ do
+ {
+#ifdef PERF_COUNTERS
+ if (uIdleLoops == 0) u64Then = SystemReadTimeStampCounter();
+#endif
+ //
+ // Did someone tell us to come help?
+ //
+ if ((u = g_HelperThreads[uMyId].uAssignment) != IDLE)
+ {
+ //
+ // By now the split info is populated.
+ //
+ uIdleLoops = 0;
+ ReInitializeSearcherContext(&(g_SplitInfo[u].sRootPosition), ctx);
+ ctx->pSplitInfo[0] = &(g_SplitInfo[u]);
+ ctx->uPositional = g_SplitInfo[u].uSplitPositional;
+
+ //
+ // Note: the main thread could have already exhausted the
+ // split and decremented it from 3->2. When we leave it
+ // will fall to 1 and allow the main thread to continue.
+ //
+ ASSERT(g_SplitInfo[u].uNumThreadsHelping >= 2);
+
+ //
+ // Get from the root of the search to the split position.
+ // We do this instead of just initializing the searcher
+ // context at the split node so that historic things like
+ // draw detection still work in the helper threads.
+ //
+ v = 0;
+ do
+ {
+ ASSERT(v < MAX_PLY_PER_SEARCH);
+ mv.uMove = g_SplitInfo[u].mvPathToHere[v].uMove;
+ if (ILLEGALMOVE == mv.uMove) break;
+#ifdef DEBUG
+ if (mv.uMove)
+ {
+ ASSERT(SanityCheckMove(&ctx->sPosition, mv));
+ }
+#endif
+ if (FALSE == MakeMove(ctx, mv))
+ {
+ UtilPanic(CANNOT_INITIALIZE_SPLIT,
+ &ctx->sPosition,
+ (void *)mv.uMove,
+ &g_SplitInfo[u],
+ (void *)v,
+ __FILE__, __LINE__);
+ }
+ v++;
+ }
+ while(1);
+#ifdef DEBUG
+ ASSERT(g_SplitInfo[u].uSplitPly == ctx->uPly);
+ ASSERT(v > 0);
+ ASSERT(IS_SAME_MOVE(g_SplitInfo[u].mvPathToHere[v-1],
+ g_SplitInfo[u].mvLast));
+ ASSERT(PositionsAreEquivalent(&(ctx->sPosition),
+ &(g_SplitInfo[u].sSplitPosition)));
+ VerifyPositionConsistency(&(ctx->sPosition), FALSE);
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+ //
+ // Populate the move stack of this helper context to make
+ // it look like it generated to moves at the split. The
+ // reason I do this is so that ComputeMoveExtension (which
+ // looks at the move stack) will work at a split node even
+ // if the context it gets is a helper thread's.
+ //
+ ctx->sMoveStack.uBegin[ctx->uPly] = 0;
+ ctx->sMoveStack.uBegin[ctx->uPly + 1] =
+ ctx->sMoveStack.uEnd[ctx->uPly] = g_SplitInfo[u].uNumMoves;
+
+ for (v = 0;
+ v < g_SplitInfo[u].uNumMoves;
+ v++)
+ {
+ ctx->sMoveStack.mvf[v] = g_SplitInfo[u].mvf[v];
+ ASSERT(SanityCheckMove(&ctx->sPosition,
+ g_SplitInfo[u].mvf[v].mv));
+ }
+
+ //
+ // Go help with the search
+ //
+ HelpSearch(ctx, u);
+ ASSERT(PositionsAreEquivalent(&board, &(ctx->sPosition)));
+
+ //
+ // Done with this assignment, wrap up and go back to idle state
+ //
+ LOCK_SPLITS;
+ g_HelperThreads[uMyId].uAssignment = IDLE;
+ g_uNumHelpersAvailable++;
+ UNLOCK_SPLITS;
+#ifdef PERF_COUNTERS
+ u64Now = SystemReadTimeStampCounter();
+ g_HelperThreads[uMyId].u64BusyCycles += (u64Now - u64Then);
+#endif
+ }
+#if PERF_COUNTERS
+ //
+ // There was nothing for us to do, if that happens often
+ // enough remember the idle cycles.
+ //
+ else
+ {
+ uIdleLoops++;
+ if (uIdleLoops > 1000)
+ {
+ u64Now = SystemReadTimeStampCounter();
+ LOCK_SPLITS;
+ g_HelperThreads[uMyId].u64IdleCycles += (u64Now - u64Then);
+ UNLOCK_SPLITS;
+ uIdleLoops = 0;
+#ifdef DEBUG
+ SystemDeferExecution(1);
+#endif
+ }
+ }
+#endif
+ }
+ while(FALSE == g_fExitProgram);
+ Trace("HELPER THREAD: thread terminating.\n");
+
+ return(0); // ExitThread
+}
+
+
+FLAG
+InitializeParallelSearch(void)
+/**
+
+Routine description:
+
+ This routine must be called before any thread can split the search
+ tree because it sets up the parallel search system.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG u;
+
+ if (g_Options.uNumProcessors < 2) return(FALSE);
+
+ //
+ // Initialize split entries
+ //
+ g_uSplitLock = 0;
+ for (u = 0; u < MAX_SPLITS; u++)
+ {
+ memset(&(g_SplitInfo[u]), 0, sizeof(g_SplitInfo[u]));
+ }
+ g_uNumSplitsAvailable = MAX_SPLITS;
+ ASSERT(NUM_SPLIT_PTRS_IN_CONTEXT <= MAX_SPLITS);
+
+ //
+ // Create and initialize helper threads
+ //
+ g_uNumHelperThreads = g_Options.uNumProcessors - 1;
+ ASSERT(g_uNumHelperThreads >= 1);
+ g_HelperThreads = SystemAllocateMemory(sizeof(HELPER_THREAD) *
+ g_uNumHelperThreads);
+ ASSERT(g_HelperThreads != NULL);
+ for (u = 0; u < g_uNumHelperThreads; u++)
+ {
+ memset(&(g_HelperThreads[u]), 0, sizeof(g_HelperThreads[u]));
+ g_HelperThreads[u].uAssignment = IDLE;
+ if (FALSE == SystemCreateThread(HelperThreadIdleLoop,
+ u,
+ &(g_HelperThreads[u].uHandle)))
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL,
+ "creating a thread",
+ 0,
+ NULL,
+ __FILE__, __LINE__);
+ }
+ }
+ g_uNumHelpersAvailable = g_uNumHelperThreads;
+ return(TRUE);
+}
+
+
+#ifdef PERF_COUNTERS
+void
+ClearHelperThreadIdleness(void)
+/**
+
+Routine description:
+
+ Called at the start of a search, if PERF_COUNTERS is
+ defined... this function's job is to reset the idleness counter
+ for all helper threads.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+
+ LOCK_SPLITS;
+ for (u = 0; u < g_uNumHelperThreads; u++)
+ {
+ g_HelperThreads[u].u64BusyCycles =
+ g_HelperThreads[u].u64IdleCycles = 0ULL;
+ }
+ UNLOCK_SPLITS;
+}
+
+
+void
+DumpHelperIdlenessReport(void)
+/**
+
+Routine description:
+
+ Called at the end of a search, this function's job is to print
+ out a report of how busy/idle each helper threads was.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ double n, d;
+
+ for (u = 0;
+ u < g_uNumHelperThreads;
+ u++)
+ {
+ n = (double)g_HelperThreads[u].u64BusyCycles;
+ d = (double)g_HelperThreads[u].u64IdleCycles;
+ d += n;
+ Trace("Helper thread %u: %5.2f percent busy.\n", u, (n / d) * 100.0);
+ }
+}
+#endif
+
+
+FLAG
+CleanupParallelSearch(void)
+/**
+
+Routine description:
+
+ Cleanup parallel search system before program shutdown.
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (g_HelperThreads != NULL )
+ {
+ SystemFreeMemory(g_HelperThreads);
+ }
+ g_uNumHelperThreads = 0;
+ return(TRUE);
+}
+
+
+SCORE
+StartParallelSearch(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN OUT SCORE *piAlpha,
+ IN SCORE iBeta,
+ IN OUT SCORE *piBestScore,
+ IN OUT MOVE *pmvBest,
+ IN ULONG uMoveNum,
+ IN INT iPositionExtend,
+ IN ULONG uDepth)
+{
+/**
+
+Routine description:
+
+ This routine is called from the main Search (not RootSearch or QSearch)
+ when:
+
+ 1. it thinks the current search tree node looks like it could
+ be searched in parallel -and-
+
+ 2. it's likely that there are idle helper thread(s) to help.
+
+ It job is to find a free split node, populate it, find idle helper
+ threads, assign them to help, and search this node in parallel.
+ It _must_ be called after generating moves at this node.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : context of thread requesting split
+ SCORE *piAlpha : in/out alpha of split node
+ SCORE iBeta : in only (beta doesn't change) beta of split node
+ SCORE *piBestScore : in/out best score seen so far at split node
+ MOVE *pmvBest : in/out best move seen so far at split node
+ ULONG uMoveNum : in next move number in ctx->sMoveStack
+ INT iPositionExtend : in position based extensions for split node
+ ULONG uDepth : in the depth we need to search to
+
+Return value:
+
+ SCORE : the score of this split subtree, along with out params above
+
+**/
+ SCORE iScore;
+ ULONG u, v;
+ ULONG uSplitNum;
+ ULONG uOldStart;
+#ifdef DEBUG
+ POSITION board;
+
+ ASSERT(IS_VALID_SCORE(*piAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(IS_VALID_SCORE(*piBestScore));
+ ASSERT(*piBestScore > -INFINITY);
+ ASSERT(pmvBest->uMove);
+ ASSERT(*piAlpha < iBeta);
+
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+ VerifyPositionConsistency(&board, FALSE);
+#endif
+
+ //
+ // Note: This is a lazy lock construction: search.c has peeked at
+ // g_uNumHelperThreads before calling us and only calls when it
+ // thinks there's a helper available. (1) We could find that
+ // there is no helper available now because of the race condition.
+ // (2) On IA64 memory model this type of construct is
+ // _not_supported_ (my understanding is that this is supported on
+ // X86 and AMD64, though).
+ //
+ LOCK_SPLITS;
+ for (u = 0; u < MAX_SPLITS; u++)
+ {
+ //
+ // Try to find a vacant split
+ //
+ if (g_SplitInfo[u].uNumThreadsHelping == 0)
+ {
+ //
+ // Found one, populate it.
+ //
+ ASSERT(g_uNumSplitsAvailable > 0);
+ g_uNumSplitsAvailable--;
+
+ //
+ // We initialize this to two to double-reference this
+ // split node. This guarantees we are the last ones
+ // holding a reference to it (since we want to be the last
+ // one out of this split node)
+ //
+ g_SplitInfo[u].uNumThreadsHelping = 2;
+
+ //
+ // Store the path from the root to the split node and the
+ // root position to start at. This is done so that
+ // ponders that convert into searches don't crash us and
+ // so that helper threads can detect repeated positions
+ // before the split point.
+ //
+ ASSERT(ctx->uPly >= 1);
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+ for (v = 0; v < ctx->uPly; v++)
+ {
+ g_SplitInfo[u].mvPathToHere[v] = ctx->sPlyInfo[v].mv;
+ }
+ g_SplitInfo[u].mvPathToHere[v].uMove = ILLEGALMOVE;
+ ASSERT(v >= 1);
+ g_SplitInfo[u].mvLast = g_SplitInfo[u].mvPathToHere[v-1];
+ memcpy(&(g_SplitInfo[u].sRootPosition),
+ GetRootPosition(),
+ sizeof(POSITION));
+#if DEBUG
+ g_SplitInfo[u].uSplitPly = ctx->uPly;
+ memcpy(&(g_SplitInfo[u].sSplitPosition),
+ &(ctx->sPosition),
+ sizeof(POSITION));
+#endif
+ //
+ // What has happened here is that another thread has
+ // triggered the "stop searching" bit in the move timer.
+ // This also means that the root position may have changed
+ // and therefore the split we just populated can be
+ // useless. Before we grab any helper threads, see if we
+ // need to bail out of this split.
+ //
+ if (g_MoveTimer.bvFlags & TIMER_STOPPING)
+ {
+ g_uNumSplitsAvailable++;
+ g_SplitInfo[u].uNumThreadsHelping = 0;
+ UNLOCK_SPLITS;
+ return(INVALID_SCORE);
+ }
+
+ //
+ // More split node initialization
+ //
+ g_SplitInfo[u].uLock = 0;
+ g_SplitInfo[u].fTerminate = FALSE;
+ g_SplitInfo[u].uDepth = uDepth;
+ g_SplitInfo[u].iPositionExtend = iPositionExtend;
+ g_SplitInfo[u].iAlpha = *piAlpha;
+ g_SplitInfo[u].iBeta = iBeta;
+ g_SplitInfo[u].uSplitPositional = ctx->uPositional;
+ g_SplitInfo[u].sSearchFlags = ctx->sSearchFlags;
+ ASSERT(FALSE == ctx->sSearchFlags.fAvoidNullmove);
+ g_SplitInfo[u].mvBest = *pmvBest;
+ g_SplitInfo[u].iBestScore = *piBestScore;
+ ASSERT(g_SplitInfo[u].iBestScore <= g_SplitInfo[u].iAlpha);
+ g_SplitInfo[u].sCounters.tree.u64TotalNodeCount = 0;
+ g_SplitInfo[u].sCounters.tree.u64BetaCutoffs = 0;
+ g_SplitInfo[u].sCounters.tree.u64BetaCutoffsOnFirstMove = 0;
+ g_SplitInfo[u].PV[0] = NULLMOVE;
+
+ //
+ // Copy the remaining moves to be searched from the
+ // searcher context that called us into the split node.
+ // Note: this thread must have already called
+ // GenerateMoves at the split node!
+ //
+ uOldStart = ctx->sMoveStack.uBegin[ctx->uPly];
+ g_SplitInfo[u].uAlreadyDone = uMoveNum - uOldStart + 1;
+ ASSERT(g_SplitInfo[u].uAlreadyDone >= 1);
+ ctx->sMoveStack.uBegin[ctx->uPly] = uMoveNum;
+ for (v = uMoveNum, g_SplitInfo[u].uRemainingMoves = 0;
+ (v < ctx->sMoveStack.uEnd[ctx->uPly]);
+ v++, g_SplitInfo[u].uRemainingMoves++)
+ {
+ ASSERT(g_SplitInfo[u].uRemainingMoves >= 0);
+ ASSERT(g_SplitInfo[u].uRemainingMoves < MAX_MOVES_PER_PLY);
+
+ //
+ // If we fail high at this node we have done a lot of
+ // work for naught. We also want to know as soon as
+ // possible so that we can vacate this split point,
+ // free up a worker thread and get back to the main
+ // search. So forget about the SEARCH_SORT_LIMIT
+ // stuff here and sort the whole list of moves from
+ // best..worst.
+ //
+ SelectBestWithHistory(ctx, v);
+ ctx->sMoveStack.mvf[v].mv.bvFlags |=
+ WouldGiveCheck(ctx, ctx->sMoveStack.mvf[v].mv);
+ ASSERT(!(ctx->sMoveStack.mvf[v].bvFlags & MVF_MOVE_SEARCHED));
+ g_SplitInfo[u].mvf[g_SplitInfo[u].uRemainingMoves] =
+ ctx->sMoveStack.mvf[v];
+#ifdef DEBUG
+ ctx->sMoveStack.mvf[v].bvFlags |= MVF_MOVE_SEARCHED;
+#endif
+ }
+ g_SplitInfo[u].uOnDeckMove = 0;
+ g_SplitInfo[u].uNumMoves = g_SplitInfo[u].uRemainingMoves;
+#ifdef DEBUG
+ for (v = uMoveNum;
+ v < ctx->sMoveStack.uEnd[ctx->uPly];
+ v++)
+ {
+ ASSERT(ctx->sMoveStack.mvf[v].bvFlags & MVF_MOVE_SEARCHED);
+ ASSERT(SanityCheckMove(&ctx->sPosition,
+ ctx->sMoveStack.mvf[v].mv));
+ }
+#endif
+
+ //
+ // See if we can get some help here or we have to go it
+ // alone. Note: past this point the split we are using
+ // may have threads under it -- be careful.
+ //
+ for (v = 0; v < g_uNumHelperThreads; v++)
+ {
+ if (g_HelperThreads[v].uAssignment == IDLE)
+ {
+ //
+ // Note: there could already be a thread searching
+ // this split; we must obtain its lock now to mess
+ // with the helper count.
+ //
+ AcquireSpinLock(&(g_SplitInfo[u].uLock));
+ g_SplitInfo[u].uNumThreadsHelping += 1;
+ ReleaseSpinLock(&(g_SplitInfo[u].uLock));
+ ASSERT(g_SplitInfo[u].uNumThreadsHelping > 2);
+ ASSERT(g_uNumHelpersAvailable > 0);
+ g_uNumHelpersAvailable -= 1;
+ ASSERT(g_uNumHelpersAvailable >= 0);
+ ASSERT(g_uNumHelpersAvailable < g_uNumHelperThreads);
+ g_HelperThreads[v].uAssignment = u;
+ }
+ }
+ UNLOCK_SPLITS;
+
+ //
+ // Update the context of the thread that is initiating the
+ // split with a pointer to the split info node we are using.
+ //
+ for (uSplitNum = 0;
+ uSplitNum < NUM_SPLIT_PTRS_IN_CONTEXT;
+ uSplitNum++)
+ {
+ if (ctx->pSplitInfo[uSplitNum] == NULL)
+ {
+ ctx->pSplitInfo[uSplitNum] = &(g_SplitInfo[u]);
+ break;
+ }
+ }
+ if (uSplitNum >= NUM_SPLIT_PTRS_IN_CONTEXT)
+ {
+ ASSERT(FALSE);
+ return(INVALID_SCORE);
+ }
+ ASSERT(ctx->pSplitInfo[uSplitNum] == &(g_SplitInfo[u]));
+
+ //
+ // Go search it
+ //
+ INC(ctx->sCounters.parallel.uNumSplits);
+ HelpSearch(ctx, u);
+
+ //
+ // We are done searching under this node... make sure all
+ // helpers are done too. When everyone is finished the
+ // refcount on this split node will be one because every
+ // thread decremented it once and we double referenced
+ // it initially.
+ //
+ while(g_SplitInfo[u].uNumThreadsHelping != 1)
+ {
+ ASSERT(g_SplitInfo[u].uNumThreadsHelping != 0);
+ if (g_fExitProgram) break;
+ }
+
+ //
+ // Note: past this point we are the only ones using the
+ // split until we return it to the pool by making its
+ // refcount zero again.
+ //
+#ifdef DEBUG
+ ASSERT((g_SplitInfo[u].uNumThreadsHelping == 1) ||
+ (g_fExitProgram));
+ SystemDeferExecution(rand() % 2);
+ ASSERT((g_SplitInfo[u].uNumThreadsHelping == 1) ||
+ (g_fExitProgram));
+ if (g_SplitInfo[u].iBestScore < g_SplitInfo[u].iBeta)
+ {
+ for (v = 0;
+ v < g_SplitInfo[u].uRemainingMoves;
+ v++)
+ {
+ ASSERT(g_SplitInfo[u].mvf[v].mv.uMove);
+ ASSERT(g_SplitInfo[u].mvf[v].bvFlags & MVF_MOVE_SEARCHED);
+ }
+ }
+#endif
+#ifdef PERF_COUNTERS
+ //
+ // Grab counters. Technically we should do with under a
+ // lock b/c we want to ensure that any pending memory
+ // operations from other cpus are flushed. But I don't
+ // really care too much about these counters and am trying
+ // to reduce lock contention.
+ //
+ if (TRUE == g_SplitInfo[u].fTerminate)
+ {
+ ASSERT(g_SplitInfo[u].iBestScore >= g_SplitInfo[u].iBeta);
+ INC(ctx->sCounters.parallel.uNumSplitsTerminated);
+ }
+ ctx->sCounters.tree.u64BetaCutoffs =
+ g_SplitInfo[u].sCounters.tree.u64BetaCutoffs;
+ ctx->sCounters.tree.u64BetaCutoffsOnFirstMove =
+ g_SplitInfo[u].sCounters.tree.u64BetaCutoffsOnFirstMove;
+#endif
+ //
+ // Pop off the split info ptr from the stack in the thread's
+ // context.
+ //
+ ASSERT(ctx->pSplitInfo[uSplitNum] == &(g_SplitInfo[u]));
+ ctx->pSplitInfo[uSplitNum] = NULL;
+
+ //
+ // Grab alpha, bestscore, bestmove, PV etc... The lock
+ // needs to be here to flush any pending memory writes
+ // from other processors.
+ //
+ LOCK_SPLITS;
+ ctx->sCounters.tree.u64TotalNodeCount =
+ g_SplitInfo[u].sCounters.tree.u64TotalNodeCount;
+ iScore = *piBestScore = g_SplitInfo[u].iBestScore;
+ *pmvBest = g_SplitInfo[u].mvBest;
+ if ((*piAlpha < iScore) && (iScore < iBeta))
+ {
+ ASSERT(IS_SAME_MOVE(*pmvBest, g_SplitInfo[u].PV[0]));
+ ASSERT((*pmvBest).uMove != 0);
+ v = 0;
+ do
+ {
+ ASSERT((ctx->uPly + v) < MAX_PLY_PER_SEARCH);
+ ASSERT(v < MAX_PLY_PER_SEARCH);
+ ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly+v] =
+ g_SplitInfo[u].PV[v];
+ if (0 == g_SplitInfo[u].PV[v].uMove) break;
+ v++;
+ }
+ while(1);
+ }
+ *piAlpha = g_SplitInfo[u].iAlpha;
+ ASSERT(iBeta == g_SplitInfo[u].iBeta);
+ g_uNumSplitsAvailable++;
+ g_SplitInfo[u].uNumThreadsHelping = 0;
+ UNLOCK_SPLITS;
+ ctx->sMoveStack.uBegin[ctx->uPly] = uOldStart;
+
+#ifdef DEBUG
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+ VerifyPositionConsistency(&ctx->sPosition, FALSE);
+ ASSERT(IS_VALID_SCORE(iScore) || WE_SHOULD_STOP_SEARCHING);
+#endif
+ return(iScore);
+ }
+ }
+
+ //
+ // There was no split available for us; unlock and continue in
+ // search.
+ //
+ UNLOCK_SPLITS;
+ return(INVALID_SCORE);
+}
+
+
+static void
+_UpdateSplitInfo(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN MOVE mv,
+ IN SCORE iScore,
+ IN ULONG u)
+/**
+
+Routine description:
+
+ We think we have some information learned from search to store in
+ the split node. Take the lock and see if we really do.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : context of thread updating split
+ MOVE mv : move it just searched
+ SCORE iScore : score of the move's subtree
+ ULONG u : split node number
+
+Return value:
+
+ static void
+
+**/
+{
+ ULONG v;
+
+ AcquireSpinLock(&(g_SplitInfo[u].uLock));
+
+ //
+ // See if this split is shutting down
+ //
+ if (TRUE == g_SplitInfo[u].fTerminate)
+ {
+ ReleaseSpinLock(&(g_SplitInfo[u].uLock));
+ return;
+ }
+
+ if (iScore > g_SplitInfo[u].iBestScore)
+ {
+ //
+ // We found a move better than the best so far, so we want to
+ // update the split node and possibly raise alpha.
+ //
+ g_SplitInfo[u].iBestScore = iScore;
+ g_SplitInfo[u].mvBest = mv;
+ if (iScore > g_SplitInfo[u].iAlpha)
+ {
+ if (iScore >= g_SplitInfo[u].iBeta)
+ {
+ //
+ // We failed high so we want to update the split node
+ //
+ g_SplitInfo[u].fTerminate = TRUE;
+ g_SplitInfo[u].PV[0] = NULLMOVE;
+ ReleaseSpinLock(&(g_SplitInfo[u].uLock));
+ return;
+ }
+
+ //
+ // Normal PV move, update the split's PV.
+ //
+ g_SplitInfo[u].iAlpha = iScore;
+ UpdatePV(ctx, mv);
+ ASSERT(ctx->uPly < MAX_PLY_PER_SEARCH);
+ ASSERT(ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly].uMove);
+ for (v = 0; v < MAX_PLY_PER_SEARCH; v++)
+ {
+ ASSERT((ctx->uPly + v) < MAX_PLY_PER_SEARCH);
+ mv = ctx->sPlyInfo[ctx->uPly].PV[ctx->uPly + v];
+ g_SplitInfo[u].PV[v] = mv;
+ if (0 == mv.uMove) break;
+ }
+ }
+ }
+ ReleaseSpinLock(&(g_SplitInfo[u].uLock));
+}
+
+
+static void
+_SetFinalStats(IN SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG u)
+/**
+
+Routine description:
+
+ We are exiting the split node (because it ran out of moves or
+ because someone failed high). Update some stats on the way out.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG u
+
+Return value:
+
+ static void
+
+**/
+{
+ //
+ // Before we stop searching this node, update some stuff.
+ //
+ AcquireSpinLock(&(g_SplitInfo[u].uLock));
+
+ //
+ // Counters to persist in the main counter struct via the split.
+ //
+ g_SplitInfo[u].sCounters.tree.u64TotalNodeCount +=
+ ctx->sCounters.tree.u64TotalNodeCount;
+ g_SplitInfo[u].sCounters.tree.u64BetaCutoffs +=
+ ctx->sCounters.tree.u64BetaCutoffs;
+ g_SplitInfo[u].sCounters.tree.u64BetaCutoffsOnFirstMove +=
+ ctx->sCounters.tree.u64BetaCutoffsOnFirstMove;
+
+ //
+ // TODO: Any other counters we care about?
+ //
+
+ //
+ // IDEA: Save the killers from this context to bring back to main
+ //
+
+ //
+ // Decrement threadcount in this split. Note: the main thread
+ // incremented it by two.
+ //
+ ASSERT((g_SplitInfo[u].uNumThreadsHelping > 1) || (g_fExitProgram));
+ g_SplitInfo[u].uNumThreadsHelping -= 1;
+ ASSERT((g_SplitInfo[u].uNumThreadsHelping >= 1) || (g_fExitProgram));
+ ReleaseSpinLock(&(g_SplitInfo[u].uLock));
+}
+
+
+static MOVE
+_GetNextParallelMove(OUT SCORE *piAlpha,
+ OUT SCORE *piBestScore,
+ OUT ULONG *puMoveNumber,
+ IN ULONG u)
+/**
+
+Routine description:
+
+ Retrieve the next parallel move to search at the split node. Also
+ update alpha and bestscore.
+
+Parameters:
+
+ SCORE *piAlpha : current alpha
+ SCORE *piBestScore : current bestscore
+ ULONG u : split number
+
+Return value:
+
+ static MOVE
+
+**/
+{
+ MOVE mv = {0};
+
+ AcquireSpinLock(&(g_SplitInfo[u].uLock));
+ if (g_SplitInfo[u].fTerminate)
+ {
+ ReleaseSpinLock(&(g_SplitInfo[u].uLock));
+ return(mv);
+ }
+
+ if (g_SplitInfo[u].uRemainingMoves != 0)
+ {
+ //
+ // There is another move to search, get it.
+ //
+ mv = g_SplitInfo[u].mvf[g_SplitInfo[u].uOnDeckMove].mv;
+#ifdef DEBUG
+ ASSERT(!(g_SplitInfo[u].mvf[g_SplitInfo[u].uOnDeckMove].bvFlags &
+ MVF_MOVE_SEARCHED));
+ g_SplitInfo[u].mvf[g_SplitInfo[u].uOnDeckMove].bvFlags |=
+ MVF_MOVE_SEARCHED;
+ ASSERT(mv.uMove);
+ ASSERT(SanityCheckMove(&g_SplitInfo[u].sSplitPosition, mv));
+#endif
+ g_SplitInfo[u].uRemainingMoves--;
+ *puMoveNumber = g_SplitInfo[u].uOnDeckMove;
+ g_SplitInfo[u].uOnDeckMove++;
+ }
+ *piAlpha = g_SplitInfo[u].iAlpha;
+ *piBestScore = g_SplitInfo[u].iBestScore;
+ ReleaseSpinLock(&(g_SplitInfo[u].uLock));
+ ASSERT(*piBestScore <= *piAlpha);
+ return(mv);
+}
+
+
+void
+HelpSearch(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
+ IN ULONG u)
+/**
+
+Routine description:
+
+ Help search the split position.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx : thread context
+ ULONG u : the split index to help search
+
+Return value:
+
+ void
+
+**/
+{
+ SCORE iScore;
+ SCORE iAlpha = 0;
+ SCORE iBeta;
+ SCORE iBestScore = 0;
+ SCORE iRoughEval;
+ ULONG uOrigDepth;
+ ULONG uDepth;
+ ULONG uMoveNum = 0;
+ INT iOrigExtend;
+ INT iExtend;
+ MOVE mv;
+#ifdef DEBUG
+ POSITION board;
+
+ memcpy(&board, &ctx->sPosition, sizeof(POSITION));
+ ASSERT(PositionsAreEquivalent(&board, &g_SplitInfo[u].sSplitPosition));
+#endif
+
+ iOrigExtend = g_SplitInfo[u].iPositionExtend;
+ iBeta = g_SplitInfo[u].iBeta;
+ uOrigDepth = g_SplitInfo[u].uDepth;
+ ctx->sSearchFlags = g_SplitInfo[u].sSearchFlags;
+ do
+ {
+ iExtend = iOrigExtend;
+ uDepth = uOrigDepth;
+ ASSERT(ctx->uPly == g_SplitInfo[u].uSplitPly);
+
+ mv = _GetNextParallelMove(&iAlpha,
+ &iBestScore,
+ &uMoveNum,
+ u);
+ if (mv.uMove == 0) break; // Split is terminating
+
+ ASSERT(IS_VALID_SCORE(iBestScore));
+ ASSERT(uMoveNum < MAX_MOVES_PER_PLY);
+ ASSERT(IS_SAME_MOVE(mv,
+ ctx->sMoveStack.mvf[ctx->sMoveStack.uBegin[ctx->uPly]+uMoveNum].mv));
+ ASSERT(uDepth <= MAX_DEPTH_PER_SEARCH);
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(iExtend >= -ONE_PLY);
+ ASSERT(iExtend <= +ONE_PLY);
+
+ if (MakeMove(ctx, mv))
+ {
+ ASSERT((IS_CHECKING_MOVE(mv) &&
+ InCheck(&ctx->sPosition, ctx->sPosition.uToMove)) ||
+ (!IS_CHECKING_MOVE(mv) &&
+ !InCheck(&ctx->sPosition, ctx->sPosition.uToMove)));
+ iRoughEval = GetRoughEvalScore(ctx, iAlpha, iBeta, TRUE);
+
+ // Compute extension
+ ComputeMoveExtension(ctx,
+ iAlpha,
+ iBeta,
+ (ctx->sMoveStack.uBegin[ctx->uPly - 1] +
+ uMoveNum),
+ iRoughEval,
+ uDepth,
+ &iExtend);
+
+ //
+ // Decide whether to history prune
+ //
+ if (TRUE == WeShouldDoHistoryPruning(iRoughEval,
+ iAlpha,
+ iBeta,
+ ctx,
+ uDepth,
+ (g_SplitInfo[u].uAlreadyDone +
+ uMoveNum + 1),
+ mv,
+ (g_SplitInfo[u].uAlreadyDone +
+ uMoveNum + 1),
+ iExtend))
+ {
+ ASSERT(iExtend == 0);
+ iExtend = -ONE_PLY;
+ ctx->sPlyInfo[ctx->uPly].iExtensionAmount = -ONE_PLY;
+ }
+
+ //
+ // Compute next depth
+ //
+ uDepth = uDepth - ONE_PLY + iExtend;
+ if (uDepth >= MAX_DEPTH_PER_SEARCH) uDepth = 0;
+
+ iScore = -Search(ctx, -iAlpha - 1, -iAlpha, uDepth);
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ iScore = -Search(ctx, -iBeta, -iAlpha, uDepth);
+ }
+
+ //
+ // Decide whether to research reduced branches to full depth.
+ //
+ if ((iExtend < 0) && (iScore >= iBeta))
+ {
+ uDepth += ONE_PLY;
+ ctx->sPlyInfo[ctx->uPly].iExtensionAmount = 0;
+ iScore = -Search(ctx, -iBeta, -iAlpha, uDepth);
+ }
+ UnmakeMove(ctx, mv);
+ ASSERT(PositionsAreEquivalent(&ctx->sPosition, &board));
+ if (TRUE == g_SplitInfo[u].fTerminate) break;
+ if (iScore > iBestScore)
+ {
+ _UpdateSplitInfo(ctx, mv, iScore, u);
+ }
+ }
+ }
+ while(1);
+ _SetFinalStats(ctx, u);
+}
+#endif
--- /dev/null
+#!/usr/bin/perl
+
+$verbose = 0;
+for $arg (@ARGV) {
+ $verbose = 1 if ($arg eq "-v");
+}
+
+$one_correct = $two_correct = 0;
+$one_beta = $two_beta = 0.0;
+$one_null = $two_null = 0.0;
+$one_time = $two_time = 0.0;
+$one_nodes = $two_nodes = 0.0;
+$one_depth = $two_depth = 0.0;
+$one_extends = $two_extends = 0;
+$one_hash = $two_hash = 0;
+$one_useful = $two_useful = 0;
+
+open(LOG, $ARGV[0]) || die "Can't open $ARGV[0], $!\n";
+while(<LOG>)
+{
+ if (/^Problem \"([^\"]+)\" solved in (\d+\.\d+)/)
+ {
+ $one_correct++;
+ $name = $1;
+ $time = $2;
+ }
+ elsif (/^>>>>> Problem \"([^\"]+)\" was not solved\. <<<<</)
+ {
+ $name = $1;
+ $time = -1;
+ }
+ elsif (/First move beta cutoff rate was (\d+\.\d+)/)
+ {
+ $one_beta += $1;
+ }
+ elsif (/Null move cutoff rate\: (\d+\.\d+)/)
+ {
+ $one_null += $1;
+ }
+ elsif (/Searched for\s+(\d+\.\d+) seconds, saw (\d+) nodes/)
+ {
+ $one_time += $1;
+ $one_nodes += $2;
+ }
+ elsif (/tellothers d(\d+)/)
+ {
+ $one_depth += $1;
+ }
+ elsif (/Extensions: \((\d+) \+, (\d+) q\+, (\d+) 1mv, (\d+) \!kmvs, (\d+) mult\+ (\d+) pawn/)
+ {
+ $one_extends += $1 + $2 + $3 + $4 + $5 + $6;
+ }
+ elsif (/(\d+) threat, (\d+) zug, (\d+) sing, (\d+) endg, (\d+) bm, (\d+) recap/)
+ {
+ $one_extends += $1 + $2 + $3 + $4 + $5 + $6;
+ }
+ elsif (/Hashing percentages\: \((\d+\.\d+) total, (\d+\.\d+) useful\)/)
+ {
+ $one_hash += $1; $one_useful += $2;
+ }
+
+ if ($name ne "")
+ {
+ if ($name =~ /[^\.]+\.(\d+)/)
+ {
+ $name = $1;
+ }
+ $one{$name} = $time;
+ $name = "";
+ $time = 0;
+ }
+}
+close(LOG);
+
+open(LOG, $ARGV[1]) || die "Can't open $ARGV[1], $!\n";
+while(<LOG>)
+{
+ if ($_ =~ /^Problem \"([^\"]+)\" solved in (\d+\.\d+)/)
+ {
+ $name = $1;
+ $time = $2;
+ if ($name =~ /[^\.]+\.(\d+)/)
+ {
+ $name = $1;
+ }
+ $two_correct++ if (defined($one{$name}));
+ }
+ elsif ($_ =~ /^>>>>> Problem \"([^\"]+)\" was not solved\. <<<<</)
+ {
+ $name = $1;
+ $time = -1;
+ if ($name =~ /[^\.]+\.(\d+)/)
+ {
+ $name = $1;
+ }
+ }
+ elsif (/First move beta cutoff rate was (\d+\.\d+)/)
+ {
+ $two_beta += $1;
+ }
+ elsif (/Null move cutoff rate\: (\d+\.\d+)/)
+ {
+ $two_null += $1;
+ }
+ elsif (/Searched for\s+(\d+\.\d+) seconds, saw (\d+) nodes/)
+ {
+ $two_time += $1;
+ $two_nodes += $2;
+ }
+ elsif (/tellothers d(\d+)/)
+ {
+ $two_depth += $1;
+ }
+ elsif (/Extensions: \((\d+) \+, (\d+) q\+, (\d+) 1mv, (\d+) \!kmvs, (\d+) mult\+ (\d+) pawn/)
+ {
+ $two_extends += $1 + $2 + $3 + $4 + $5 + $6;
+ }
+ elsif (/(\d+) threat, (\d+) zug, (\d+) sing, (\d+) endg, (\d+) bm, (\d+) recap/)
+ {
+ $two_extends += $1 + $2 + $3 + $4 + $5 + $6;
+ }
+ elsif (/Hashing percentages\: \((\d+\.\d+) total, (\d+\.\d+) useful\)/)
+ {
+ $two_hash += $1; $two_useful += $2;
+ }
+
+ if ($name ne "")
+ {
+ last if !defined $one{$name};
+ $two{$name} = $time;
+ $name = "";
+ $time = 0;
+ }
+}
+close(LOG);
+
+$sigma_diff = 0;
+print "\t$ARGV[0]\t$ARGV[1]\n";
+foreach $x (sort keys(%one))
+{
+ $one{$x} = -1 if (!defined($one{$x}));
+ $two{$x} = -1 if (!defined($two{$x}));
+
+ if (($one{$x} != -1) &&
+ ($two{$x} != -1))
+ {
+ $diff = $one{$x} - $two{$x};
+ $sigma_diff += $diff;
+ }
+ else
+ {
+ if (($one{$x} == -1) &&
+ ($two{$x} != -1))
+ {
+ $diff = 31 - $two{$x};
+ $one{$x} = "---";
+ $sigma_diff += $diff;
+ }
+ elsif (($two{$x} == -1) &&
+ ($one{$x} != -1))
+ {
+ $diff = -(31 - $one{$x});
+ $two{$x} = "---";
+ $sigma_diff += $diff;
+ }
+ else
+ {
+ $one{$x} = $two{$x} = "";
+ $diff = "both missed";
+ }
+ }
+ $diff = " " if ($diff == 0);
+
+ if ($verbose)
+ {
+ if (($diff eq "both missed") || ($diff eq " "))
+ {
+ print "$x:\t\t" . $one{$x} . "\t" . $two{$x} . "\t\t$diff\n";
+ }
+ else
+ {
+ printf "$x:\t\t" . $one{$x} . "\t" . $two{$x} . "\t\t%+2.1f\n", $diff;
+ }
+ }
+}
+
+print "-" x 70;
+print "\n";
+print "solutions:\t$one_correct\t$two_correct\t";
+
+if ($sigma_diff < 0)
+{
+ $sigma_diff = abs($sigma_diff);
+ printf "$ARGV[0] by %6.2f sec\n", $sigma_diff;
+}
+elsif ($sigma_diff > 0)
+{
+ printf "$ARGV[1] by %6.2f sec\n", $sigma_diff;
+}
+else
+{
+ print "even.\n";
+}
+
+@x = keys(%one);
+$one_count = $#x;
+@x = keys(%two);
+$two_count = $#x;
+
+printf "1st mv betas:\t%6.3f\t%6.3f\n",
+ ($one_beta / $one_count), ($two_beta / $two_count);
+printf "nullmv cutoff:\t%6.3f\t%6.3f\n",
+ ($one_null / $one_count), ($two_null / $two_count);
+printf "avg depth:\t%6.3f\t%6.3f\n",
+ ($one_depth / $one_count), ($two_depth / $two_count);
+printf "total hash:\t%6.3f\t%6.3f\n",
+ ($one_hash / $one_count), ($two_hash / $two_count);
+printf "useful hash:\t%6.3f\t%6.3f\n",
+ ($one_useful / $one_count), ($two_useful / $two_count);
+printf "k-avg.extend:\t%6.3f\t%6.3f\n",
+ ($one_extends / $one_count) / 1024, ($two_extends / $two_count) / 1024;
+printf "k-extends:\t%6u\t%6u\n",
+ ($one_extends / 1024), ($two_extends / 1024);
+printf "overall nps:\t%6u\t%6u\n",
+ ($one_nodes / $one_time), ($two_nodes / $two_time);
--- /dev/null
+#!/usr/bin/perl
+
+$correct[0] = $correct[1] = 0;
+$total[0] = $total[1] = 0;
+
+while(<>)
+{
+ #if (/Avoid null move heuristic was (\d+)\s*\/\s*(\d+)./)
+ #{
+ # $correct[0] += $1;
+ # $total[0] += $2;
+ #}
+ if (/ick null move heuristic rate was (\d+)\s*\((\d+)\)\s*\/\s*(\d+)./)
+ {
+ $correct[1] += ($1 + $2);
+ $total[1] += $3;
+ }
+}
+
+#print "Avoid null move tried $total[0] times, succeeded $correct[0] times.\n";
+#printf "Avoid null move success rate %5.2f percent.\n", $correct[0] / $total[0] * 100.0;
+print "Quick null move tried $total[1] times, succeeded $correct[1] times.\n";
+printf "Quick null move success rate %5.2f percent.\n", $correct[1] / $total[1] * 100.0;
+
--- /dev/null
+#!/usr/bin/perl
+
+$max = 0;
+while(<>)
+{
+ if ($_ =~ /^Problem \"([^\"]+)\" solved in/)
+ {
+ $k = $1;
+ $k =~ s/[^\.]*\.//;
+ $solved[$k]++;
+ $max = $solved[$k] if ($solved[$k] > $max);
+ }
+}
+
+for ($k = 0; $k < 880; $k++)
+{
+ if ($solved[$k] >= ($max - 3))
+ {
+ print "drop ecm.$k\n";
+ }
+ else
+ {
+ printf "keep ecm.$k (%u solution(s))\n", $solved[$k];
+ }
+}
--- /dev/null
+#!/usr/bin/perl
+
+$NUM_BINS = 20;
+
+
+$max_bin = 0;
+open(LOG, $ARGV[0]) || die "Can't open $ARGV[0], $!\n";
+while(<LOG>)
+{
+ if ($_ =~ /^Problem \"([^\"]+)\" solved in (\d+\.\d+)/)
+ {
+ $name = $1;
+ $time = $2;
+ }
+ elsif ($_ =~ /^>>>>> Problem \"([^\"]+)\" was not solved\. <<<<</)
+ {
+ $name = $1;
+ $time = -1;
+ }
+
+ if ($name ne "")
+ {
+ if ($name =~ /[^\.]+\.(\d+)/)
+ {
+ $name = $1;
+ }
+ if ($time != -1)
+ {
+ $sec_per = 20.0 / $NUM_BINS;
+ $bin_num = $time / $sec_per;
+ $bin_num++;
+ $bin_num = int($bin_num);
+ }
+ else
+ {
+ $bin_num = 0;
+ }
+
+ if (!defined($bin[$bin_num]))
+ {
+ $bin[$bin_num] = 0;
+ }
+ $bin[$bin_num]++;
+ $ids[$bin_num] .= " " . $name;
+ if ($bin[$bin_num] > $max_bin)
+ {
+ $max_bin = $bin[$bin_num];
+ }
+ $name = "";
+ $time = 0;
+ }
+}
+close(LOG);
+
+
+for ($x = 1;
+ $x < $NUM_BINS + 1;
+ $x++)
+{
+ $num_star = $bin[$x] / $max_bin * 60;
+ $num_star = int($num_star);
+ printf "%02u..%02u sec: %s ($bin[$x])\n", $x-1, $x, "#" x $num_star;
+ print "\n ids: $ids[$x]\n\n";
+}
+$num_star = $bin[0] / $max_bin * 60;
+$num_star = int($num_star);
+printf "not solved: %s ($bin[0])\n", "#" x $num_star;
+print "\n ids: $ids[0]\n\n";
+
+
--- /dev/null
+#ifndef TBDECODE
+#define TBDECODE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#ifndef CLOCKS_PER_SEC
+#define CLOCKS_PER_SEC CLK_TCK
+#endif
+
+/* ---------------------------- Error codes --------------------------- */
+/* ----------- */
+
+#define COMP_ERR_NONE 0 /* everything is OK */
+#define COMP_ERR_READ 2 /* input file read error */
+#define COMP_ERR_NOMEM 5 /* no enough memory */
+#define COMP_ERR_BROKEN 6 /* damaged compressed data */
+#define COMP_ERR_PARAM 7 /* incorrect function parameter */
+#define COMP_ERR_INTERNAL 9 /* everything else is internal error */
+ /* hopefully it should never happen */
+
+/* Almost all functions listed further return one as its result on of */
+/* codes given above: if no error occured then COMP_ERR_NONE (i.e. 0) */
+/* is returned, otherwise functions return error code plus number of */
+/* line in "comp.c" where the error was detected multiplied by 256; */
+/* line number may be used for exact specification of a place where */
+/* error was detected thus making debugging slightly simpler. */
+/* */
+/* Thus, "(code & 0xff)" gives proper error code, and "(code >> 8)" */
+/* gives number of line where the error was raised. */
+
+/* -------------------------------------------------------------------- */
+/* */
+/* Compress/decompress some chess tables */
+/* */
+/* Copyright (c) 1991--1998 Andrew Kadatch */
+/* */
+/* The Limited-Reference variant of Lempel-Ziv algorithm implemented */
+/* here was first described in my B.Sc. thesis "Efficient algorithms */
+/* for image compression", Novosibirsk State University, 1992, and */
+/* cannot be used in any product distributed in Russia or CIS without */
+/* written permission from the author. */
+/* */
+/* Most of the code listed below is significantly simplified code from */
+/* the PRS data compression library and therefore it should not be used */
+/* in any product (software or hardware, commercial or not, and so on) */
+/* without written permission from the author. */
+/* */
+/* -------------------------------------------------------------------- */
+
+/* ---------------------------- Debugging ----------------------------- */
+/* --------- */
+
+#ifndef DEBUG
+#define DEBUG 0
+#endif
+
+#if DEBUG
+#define assert(cond) ((cond) ? (void) 0 : _local_assert (__LINE__))
+static void _local_assert(int lineno)
+{
+ fprintf(stderr, "assertion at line %u failed\n", lineno);
+ exit(33);
+}
+
+#define debug(x) x
+#define dprintf(x) printf x
+#else
+#if !defined (assert)
+#define assert(cond) ((void) 0)
+#endif
+#define debug(x) ((void) 0)
+#define dprintf(x) ((void) 0)
+#endif
+
+/* mob_pach */
+#ifndef __cplusplus
+int cbEGTBCompBytes = 0;
+#else
+extern "C" {
+ int cbEGTBCompBytes = 0;
+}
+#endif
+/* --------------------- Constants, types, etc. ----------------------- */
+/* ---------------------- */
+#define MIN_BLOCK_BITS 8 /* LOG2 (min size of block to compress) */
+#define MAX_BLOCK_BITS 16 /* LOG2 (max size of block to compress) */
+ /* max. integer we can take LOG2 by table */
+#define MAX_BITS_HALF ((MAX_BLOCK_BITS + 1) >> 1)
+#define MAX_BITS (MAX_BITS_HALF * 2)
+/* assume that integer is at least 32 bits wide */
+#ifndef uint
+#define uint unsigned
+#endif
+#ifndef uchar
+#define uchar unsigned char
+#endif
+#define HEADER_SIZE 80 /* number of reserved bytes */
+#define STOP_SEARCH_LENGTH 256 /* terminate search if match */
+ /* length exceeds that value */
+#define MAX_LENGTH_BITS 5
+#define MAX_LENGTH (1 << MAX_LENGTH_BITS)
+#define LONG_BITS 1
+#define LONG_LENGTH (MAX_BLOCK_BITS - LONG_BITS)
+#define LONG_QUICK (MAX_LENGTH - LONG_LENGTH)
+#if LONG_LENGTH > (MAX_BLOCK_BITS - LONG_BITS)
+# undef LONG_LENGTH
+# define LONG_LENGTH (MAX_BLOCK_BITS - LONG_BITS)
+#endif
+#if LONG_LENGTH >= MAX_LENGTH || LONG_LENGTH <= 0
+#error LONG_LENGTH is out of range
+#endif
+#if LONG_BITS <= 0
+#error LONG_BITS must be positive
+#endif
+#define DELTA (LONG_BITS + LONG_QUICK - 1)
+#if (MAX_LENGTH - 1) - (LONG_LENGTH - LONG_BITS) != DELTA
+#error Hmmm
+#endif
+#define MAX_DISTANCES 24
+#define LOG_MAX_DISTANCES 6 /* see check below */
+#if MAX_DISTANCES > (1 << LOG_MAX_DISTANCES)
+#error MAX_DISTANCES should not exceed (1 << LOG_MAX_DISTANCES)
+#endif
+#define ALPHABET_SIZE (256 + (MAX_DISTANCES << MAX_LENGTH_BITS))
+#define MAX_ALPHABET ALPHABET_SIZE /* max. alphabet handled by */
+ /* Huffman coding routines */
+#define USE_CRC32 1
+/* 0 - use Fletcher's checksum, != 0 - use proper CRC32 */
+ static uchar header_title[64] =
+ "Compressed by DATACOMP v 1.0 (c) 1991--1998 Andrew Kadatch\r\n\0";
+
+#define RET(n) ((n) + __LINE__ * 256)
+
+/* ------------------------- CRC32 routines --------------------------- */
+/* -------------- */
+
+#if USE_CRC32
+
+static unsigned CRC32_table[256];
+static int CRC32_initialized = 0;
+
+static void CRC32_init(void)
+{
+ int i, j;
+ unsigned k, m = (unsigned) 0xedb88320L;
+
+ if (CRC32_initialized)
+ return;
+ for (i = 0; i < 256; ++i) {
+ k = i;
+ j = 8;
+ do {
+ if ((k & 1) != 0)
+ k >>= 1;
+ else {
+ k >>= 1;
+ k ^= m;
+ };
+ }
+ while (--j);
+ CRC32_table[i] = k;
+ }
+ CRC32_initialized = 1;
+}
+
+static unsigned CRC32(uchar * p, int n, unsigned k)
+{
+ unsigned *table = CRC32_table;
+ uchar *e = p + n;
+
+ while (p + 16 < e) {
+# define X(i) k = table[((uchar) k) ^ p[i]] ^ (k >> 8)
+ X(0);
+ X(1);
+ X(2);
+ X(3);
+ X(4);
+ X(5);
+ X(6);
+ X(7);
+ X(8);
+ X(9);
+ X(10);
+ X(11);
+ X(12);
+ X(13);
+ X(14);
+ X(15);
+# undef X
+ p += 16;
+ }
+ while (p < e)
+ k = table[((uchar) k) ^ *p++] ^ (k >> 8);
+ return (k);
+}
+
+#else
+
+#define CRC32_init()
+
+static unsigned CRC32(uchar * p, int n, unsigned k1)
+{
+ unsigned k0 = k1 & 0xffff;
+ uchar *e = p + n;
+
+ k1 = (k1 >> 16) & 0xffff;
+ while (p + 16 < e) {
+# define X(i) k0 += p[i]; k1 += k0;
+ X(0);
+ X(1);
+ X(2);
+ X(3);
+ X(4);
+ X(5);
+ X(6);
+ X(7);
+ X(8);
+ X(9);
+ X(10);
+ X(11);
+ X(12);
+ X(13);
+ X(14);
+ X(15);
+# undef X
+ k0 = (k0 & 0xffff) + (k0 >> 16);
+ k1 = (k1 & 0xffff) + (k1 >> 16);
+ p += 16;
+ }
+ while (p < e) {
+ k0 += *p++;
+ k1 += k0;
+ }
+ k0 = (k0 & 0xffff) + (k0 >> 16);
+ k1 = (k1 & 0xffff) + (k1 >> 16);
+ k0 = (k0 & 0xffff) + (k0 >> 16);
+ k1 = (k1 & 0xffff) + (k1 >> 16);
+ assert(((k0 | k1) >> 16) == 0);
+ return (k0 + (k1 << 16));
+}
+
+#endif /* USE_CRC32 */
+
+/* ------------------------ Bit IO interface -------------------------- */
+/* ---------------- */
+
+#define BITIO_LOCALS \
+ uint _mask; \
+ int _bits; \
+ uchar *_ptr
+
+typedef struct {
+ BITIO_LOCALS;
+} bitio_t;
+
+#define BITIO_ENTER(p) do { \
+ _mask = (p)._mask; \
+ _bits = (p)._bits; \
+ _ptr = (p)._ptr; \
+} while (0)
+
+#define BITIO_LEAVE(p) do { \
+ (p)._mask = _mask; \
+ (p)._bits = _bits; \
+ (p)._ptr = _ptr; \
+} while (0)
+
+#define BIORD_START(from) do { \
+ _ptr = (uchar *) (from); \
+ _bits = sizeof (_mask); \
+ _mask = 0; \
+ do \
+ _mask = (_mask << 8) | *_ptr++; \
+ while (--_bits != 0); \
+ _bits = 16; \
+} while (0)
+
+/* read [1, 17] bits at once */
+#define BIORD(bits) \
+ (_mask >> (8 * sizeof (_mask) - (bits)))
+
+#define BIORD_MORE(bits) do { \
+ _mask <<= (bits); \
+ if ((_bits -= (bits)) <= 0) \
+ { \
+ _mask |= ((_ptr[0] << 8) + _ptr[1]) << (-_bits); \
+ _ptr += 2; _bits += 16; \
+ } \
+} while (0)
+
+/* ------------------------ Huffman coding ---------------------------- */
+/* -------------- */
+
+#if MAX_ALPHABET <= 0xffff
+# if MAX_ALPHABET <= 1024
+/* positive value takes 15 bits => symbol number occupies <= 10 bits */
+# define huffman_decode_t short
+# else
+# define huffman_decode_t int
+# endif
+#else
+# define huffman_decode_t int
+#endif
+
+#define HUFFMAN_DECODE(ch,table,start_bits) do { \
+ (ch) = table[BIORD (start_bits)]; \
+ if (((int) (ch)) >= 0) \
+ { \
+ BIORD_MORE ((ch) & 31); \
+ (ch) >>= 5; \
+ break; \
+ } \
+ BIORD_MORE (start_bits); \
+ do \
+ { \
+ (ch) = table[BIORD (1) - (ch)]; \
+ BIORD_MORE (1); \
+ } \
+ while (((int) (ch)) < 0); \
+} while (0)
+
+#define HUFFMAN_TABLE_SIZE(n,start_bits) \
+ ((1 << (start_bits)) + ((n) << 1))
+
+static int huffman_decode_create(huffman_decode_t * table, uchar * length,
+ int n, int start_bits)
+{
+ int i, j, k, last, freq[32], sum[32];
+
+ /* calculate number of codewords */
+ memset(freq, 0, sizeof(freq));
+ for (i = 0; i < n; ++i) {
+ if ((k = length[i]) > 31)
+ return RET(COMP_ERR_BROKEN);
+ ++freq[k];
+ }
+
+ /* handle special case(s) -- 0 and 1 symbols in alphabet */
+ if (freq[0] == n) {
+ memset(table, 0, sizeof(table[0]) << start_bits);
+ return (0);
+ }
+ if (freq[0] == n - 1) {
+ if (freq[1] != 1)
+ return RET(COMP_ERR_BROKEN);
+ for (i = 0; length[i] == 0;)
+ ++i;
+ i <<= 5;
+ for (k = 1 << start_bits; --k >= 0;)
+ *table++ = (huffman_decode_t) i;
+ return (0);
+ }
+
+ /* save frequences */
+ memcpy(sum, freq, sizeof(sum));
+
+ /* check code correctness */
+ k = 0;
+ for (i = 32; --i != 0;) {
+ if ((k += freq[i]) & 1)
+ return RET(COMP_ERR_BROKEN);
+ k >>= 1;
+ }
+ if (k != 1)
+ return RET(COMP_ERR_BROKEN);
+
+ /* sort symbols */
+ k = 0;
+ for (i = 1; i < 32; ++i)
+ freq[i] = (k += freq[i]);
+ last = freq[31]; /* preserve number of symbols in alphabet */
+ for (i = n; --i >= 0;) {
+ if ((k = length[i]) != 0)
+ table[--freq[k]] = (huffman_decode_t) i;
+ }
+
+ /* now create decoding table */
+ k = i = (1 << start_bits) + (n << 1);
+ for (n = 32; --n > start_bits;) {
+ j = i;
+ while (k > j)
+ table[--i] = (huffman_decode_t) - (k -= 2);
+ for (k = sum[n]; --k >= 0;)
+ table[--i] = table[--last];
+ k = j;
+ }
+
+ j = i;
+ i = 1 << start_bits;
+ while (k > j)
+ table[--i] = (huffman_decode_t) - (k -= 2);
+
+ for (; n > 0; --n) {
+ for (k = sum[n]; --k >= 0;) {
+ assert(last <= i && last > 0);
+ j = i - (1 << (start_bits - n));
+ n |= table[--last] << 5;
+ do
+ table[--i] = (huffman_decode_t) n;
+ while (i != j);
+ n &= 31;
+ }
+ }
+ assert((i | last) == 0);
+
+ return (0);
+}
+
+/* -------------------- Read/write Huffman code ----------------------- */
+/* ----------------------- */
+
+#define MIN_REPT 2
+
+#if MIN_REPT <= 1
+#error MIN_REPT must exceed 1
+#endif
+
+#define TEMP_TABLE_BITS 8
+
+static int huffman_read_length(bitio_t * bitio, uchar * length, int n)
+{
+ BITIO_LOCALS;
+ huffman_decode_t table[2][HUFFMAN_TABLE_SIZE(64, TEMP_TABLE_BITS)];
+ uchar bits[128];
+ int i, j, k;
+
+ BITIO_ENTER(*bitio);
+ k = BIORD(1);
+ BIORD_MORE(1);
+ if (k != 0) {
+ memset(length, 0, n);
+ goto ret;
+ }
+
+ if (n <= 128) {
+ k = BIORD(5);
+ BIORD_MORE(5);
+ for (i = 0; i < n;) {
+ length[i] = (uchar) BIORD(k);
+ BIORD_MORE(k);
+ if (length[i++] == 0) {
+ j = i + BIORD(4);
+ BIORD_MORE(4);
+ if (j > n)
+ return RET(COMP_ERR_BROKEN);
+ while (i != j)
+ length[i++] = 0;
+ }
+ }
+ goto ret;
+ }
+
+ BITIO_LEAVE(*bitio);
+ i = huffman_read_length(bitio, bits, 128);
+ if (i != 0)
+ return (i);
+ i = huffman_decode_create(table[0], bits, 64, TEMP_TABLE_BITS);
+ if (i != 0)
+ return (i);
+ i = huffman_decode_create(table[1], bits + 64, 64, TEMP_TABLE_BITS);
+ if (i != 0)
+ return (i);
+ BITIO_ENTER(*bitio);
+
+ for (i = 0; i < n;) {
+ HUFFMAN_DECODE(k, table[0], TEMP_TABLE_BITS);
+ if (k <= 31) {
+ length[i++] = (uchar) k;
+ continue;
+ }
+ k &= 31;
+ HUFFMAN_DECODE(j, table[1], TEMP_TABLE_BITS);
+ if (j > 31) {
+ int jj = j - 32;
+
+ j = 1 << jj;
+ if (jj != 0) {
+ if (jj > 16) {
+ j += BIORD(16) << (jj - 16);
+ BIORD_MORE(16);
+ }
+ j += BIORD(jj);
+ BIORD_MORE(jj);
+ }
+ j += 31;
+ }
+ j += MIN_REPT + i;
+ if (j > n)
+ return RET(COMP_ERR_BROKEN);
+ do
+ length[i] = (uchar) k;
+ while (++i != j);
+ }
+
+ret:
+ BITIO_LEAVE(*bitio);
+ return (0);
+}
+
+/* ----------------------- Proper compression ------------------------- */
+/* ------------------ */
+
+#if MIN_BLOCK_BITS > MAX_BLOCK_BITS || MAX_BLOCK_BITS > MAX_BITS_HALF*2
+#error condition MIN_BLOCK_BITS <= MAX_BLOCK_BITS <= MAX_BITS_HALF*2 failed
+#endif
+
+#define DECODE_MAGIC ((int) 0x5abc947fL)
+#define BLOCK_MAGIC ((int) 0x79a3f29dL)
+
+#define START_BITS 13
+
+#define SHORT_INDEX 8u
+
+typedef struct {
+ huffman_decode_t table[HUFFMAN_TABLE_SIZE(ALPHABET_SIZE, START_BITS)];
+ int distance[MAX_DISTANCES];
+ unsigned *crc, *blk_u;
+ unsigned short *blk_s;
+ int block_size_log, /* block_size is integral power of 2 */
+ block_size, /* 1 << block_size_log */
+ last_block_size, /* [original] size of last block */
+ n_blk, /* total number of blocks */
+ comp_block_size, /* size of largest compressed block+32 */
+ check_crc; /* check CRC32? */
+ uchar *comp;
+ int magic;
+} decode_info;
+
+typedef struct {
+ unsigned char *ptr; /* pointer to the first decoded byte */
+ int decoded; /* number of bytes decoded so far */
+ int total; /* total number of bytes in block */
+ int number; /* number of this block */
+} COMP_BLOCK_T;
+
+/* Pointer to compressed data block */
+
+typedef struct {
+ COMP_BLOCK_T b;
+ struct {
+ uchar *first;
+ int size;
+ } orig , comp;
+ struct {
+ uchar *ptr, *src;
+ int rept;
+ } emit;
+ bitio_t bitio;
+ int n;
+ int magic;
+} decode_block;
+
+static int calculate_offset(decode_info * info, unsigned n)
+{
+ unsigned i;
+
+ i = n / (2 * SHORT_INDEX);
+ if (n & SHORT_INDEX)
+ return info->blk_u[i + 1] - info->blk_s[n];
+ else
+ return info->blk_u[i] + info->blk_s[n];
+}
+
+static void do_decode(decode_info * info, decode_block * block, uchar * e)
+{
+ BITIO_LOCALS;
+ uchar *p, *s = 0;
+ int ch;
+
+ if ((p = block->emit.ptr) >= e)
+ return;
+ if (p == block->orig.first) {
+ BIORD_START(block->comp.first);
+ block->emit.rept = 0;
+ } else {
+ BITIO_ENTER(block->bitio);
+ if ((ch = block->emit.rept) != 0) {
+ block->emit.rept = 0;
+ s = block->emit.src;
+ goto copy;
+ }
+ }
+#define OVER if (p < e) goto over; break
+ do {
+ over:
+ HUFFMAN_DECODE(ch, info->table, START_BITS);
+ if ((ch -= 256) < 0) {
+ *p++ = (uchar) ch;
+ OVER;
+ }
+
+ s = p + info->distance[ch >> MAX_LENGTH_BITS];
+
+ ch &= MAX_LENGTH - 1;
+ if (ch <= 3) {
+ p[0] = s[0];
+ p[1] = s[1];
+ p[2] = s[2];
+ p[3] = s[3];
+ p += ch + 1;
+ OVER;
+ } else if (ch >= LONG_LENGTH) {
+ ch -= LONG_LENGTH - LONG_BITS;
+#if (MAX_BLOCK_BITS - 1) + (LONG_LENGTH - LONG_BITS) >= MAX_LENGTH
+ if (ch == DELTA) {
+ ch = BIORD(5);
+ BIORD_MORE(5);
+ ch += DELTA;
+ }
+#endif
+ {
+ int n = 1 << ch;
+
+ if (ch > 16) {
+ n += BIORD(16) << (ch -= 16);
+ BIORD_MORE(16);
+ }
+ n += BIORD(ch);
+ BIORD_MORE(ch);
+ ch = n;
+ }
+ ch += LONG_LENGTH - (1 << LONG_BITS);
+ }
+ ++ch;
+ copy:
+ if (ch > 16) {
+ if (p + ch > e) {
+ block->emit.rept = ch - (int) (e - p);
+ ch = (int) (e - p);
+ goto copy;
+ }
+ do {
+# define X(i) p[i] = s[i]
+ X(0);
+ X(1);
+ X(2);
+ X(3);
+ X(4);
+ X(5);
+ X(6);
+ X(7);
+ X(8);
+ X(9);
+ X(10);
+ X(11);
+ X(12);
+ X(13);
+ X(14);
+ X(15);
+# undef X
+ p += 16;
+ s += 16;
+ }
+ while ((ch -= 16) > 16);
+ }
+ p += ch;
+ s += ch;
+ switch (ch) {
+# define X(i) case i: p[-i] = s[-i]
+ X(16);
+ X(15);
+ X(14);
+ X(13);
+ X(12);
+ X(11);
+ X(10);
+ X(9);
+ X(8);
+ X(7);
+ X(6);
+ X(5);
+ X(4);
+ X(3);
+ X(2);
+# undef X
+ }
+ p[-1] = s[-1];
+ }
+ while (p < e);
+#undef OVER
+ block->emit.ptr = p;
+ block->emit.src = s;
+ BITIO_LEAVE(block->bitio);
+}
+
+/* pretty ugly */
+static int comp_open_file(decode_info ** res, FILE * fd, int check_crc)
+{
+ BITIO_LOCALS;
+ bitio_t Bitio;
+ uchar temp[ALPHABET_SIZE >= HEADER_SIZE ? ALPHABET_SIZE : HEADER_SIZE];
+ uchar *ptr;
+ int header_size, block_size, block_size_log, n_blk, i, n, n_s, n_u;
+ unsigned *blk_u, *blk;
+ unsigned short *blk_s;
+ decode_info *info;
+
+ if (res == 0)
+ return RET(COMP_ERR_PARAM);
+
+ CRC32_init();
+
+ *res = 0;
+
+ if (fread(temp, 1, HEADER_SIZE, fd) != HEADER_SIZE)
+ return RET(COMP_ERR_READ);
+
+ if (memcmp(temp, header_title, 64) != 0)
+ return RET(COMP_ERR_READ);
+
+ ptr = temp;
+#define R4(i) \
+ ((ptr[i] << 24) + (ptr[(i) + 1] << 16) + (ptr[(i) + 2] << 8) + (ptr[(i) + 3]))
+
+ header_size = R4(64);
+ block_size_log = ptr[70];
+ if (block_size_log > MAX_BITS || header_size < 84)
+ return RET(COMP_ERR_BROKEN);
+ block_size = 1 << block_size_log;
+ if (ptr[71] != MAX_DISTANCES)
+ return RET(COMP_ERR_BROKEN);
+ n_blk = R4(72);
+ if (R4(76) !=
+ (ALPHABET_SIZE << 12) + (LONG_BITS << 8) + (LONG_LENGTH << 4) +
+ MAX_LENGTH_BITS)
+ return RET(COMP_ERR_BROKEN);
+
+ if ((ptr = (uchar *) malloc(header_size)) == 0)
+ return RET(COMP_ERR_NOMEM);
+
+ if (fread(ptr + HEADER_SIZE, 1, header_size - HEADER_SIZE, fd) !=
+ (size_t) (header_size - HEADER_SIZE)) {
+ free(ptr);
+ return RET(COMP_ERR_NOMEM);
+ }
+ memcpy(ptr, temp, HEADER_SIZE);
+ header_size -= 4;
+ if (CRC32(ptr, header_size, 0) != (unsigned) R4(header_size)) {
+ free(ptr);
+ return RET(COMP_ERR_BROKEN);
+ }
+ header_size += 4;
+
+ /*
+ blk = (unsigned *) malloc (sizeof (unsigned) * (1 + n_blk));
+ */
+ n = sizeof(unsigned) * (1 + n_blk);
+ if (n < 4 * 1024 * 1024)
+ n = 4 * 1024 * 1024;
+ blk = (unsigned *) malloc(n);
+
+ if (blk == 0) {
+ free(ptr);
+ return RET(COMP_ERR_NOMEM);
+ }
+ n = sizeof(info->crc[0]) * (1 + (check_crc ? (2 * n_blk) : 0));
+ n_u = sizeof(unsigned) * (2 + n_blk / (2 * SHORT_INDEX));
+ n_s = sizeof(unsigned short) * (1 + n_blk);
+ if ((info = (decode_info *) malloc(sizeof(*info) + n + n_u + n_s)) == 0) {
+ free(ptr);
+ free(blk);
+ return RET(COMP_ERR_NOMEM);
+ }
+ cbEGTBCompBytes += sizeof(*info) + n + n_s + n_u;
+ info->crc = (unsigned *) (info + 1);
+ if (check_crc)
+ blk_u = info->blk_u = info->crc + 2 * n_blk;
+ else
+ blk_u = info->blk_u = info->crc;
+ blk_s = info->blk_s =
+ (unsigned short *) (blk_u + 2 + n_blk / (2 * SHORT_INDEX));
+
+ info->check_crc = check_crc;
+ info->block_size_log = block_size_log;
+ info->block_size = block_size;
+ info->n_blk = n_blk;
+
+ if (check_crc) {
+ n_blk <<= 1;
+ i = HEADER_SIZE;
+ for (n = 0; n < n_blk; ++n) {
+ info->crc[n] = R4(i);
+ i += 4;
+ }
+ n_blk >>= 1;
+ }
+
+ i = HEADER_SIZE + (n_blk << 3);
+ BIORD_START(ptr + i);
+
+ info->comp_block_size = 0;
+ for (n = 0; n <= n_blk; ++n) {
+ if ((blk[n] = BIORD(block_size_log)) == 0)
+ blk[n] = block_size;
+ if (info->comp_block_size < (int) (blk[n]))
+ info->comp_block_size = (int) (blk[n]);
+ BIORD_MORE(block_size_log);
+ }
+ info->comp_block_size += 32;
+
+ for (n = 0; n < MAX_DISTANCES; ++n) {
+ info->distance[n] = -((int) BIORD(block_size_log));
+ BIORD_MORE(block_size_log);
+ }
+
+ i += ((n_blk + 1 + MAX_DISTANCES) * block_size_log + 7) >> 3;
+ BIORD_START(ptr + i);
+ BITIO_LEAVE(Bitio);
+ if (huffman_read_length(&Bitio, temp, ALPHABET_SIZE) != 0) {
+ free(blk);
+ free(info);
+ free(ptr);
+ return RET(COMP_ERR_BROKEN);
+ }
+
+ if (huffman_decode_create(info->table, temp, ALPHABET_SIZE, START_BITS) != 0) {
+ free(blk);
+ free(info);
+ free(ptr);
+ return RET(COMP_ERR_BROKEN);
+ }
+
+ info->last_block_size = blk[n_blk];
+ blk[n_blk] = 0;
+ for (n = 0; n <= n_blk; ++n) {
+ i = blk[n];
+ blk[n] = header_size;
+ header_size += i;
+ if (0 == n % (2 * SHORT_INDEX))
+ blk_u[n / (2 * SHORT_INDEX)] = blk[n];
+ }
+ blk_u[n_blk / (2 * SHORT_INDEX) + 1] = blk[n_blk];
+
+ for (n = 0; n <= n_blk; ++n) {
+ i = n / (2 * SHORT_INDEX);
+ if (n & SHORT_INDEX)
+ blk_s[n] = blk_u[i + 1] - blk[n];
+ else
+ blk_s[n] = blk[n] - blk_u[i];
+ }
+
+ free(blk);
+ free(ptr);
+ info->comp = 0;
+ info->magic = DECODE_MAGIC;
+ *res = info;
+
+ return (COMP_ERR_NONE);
+}
+
+static int comp_tell_blocks(decode_info * info)
+{
+ if (info == 0 || info->magic != DECODE_MAGIC)
+ return (-1);
+ return (info->n_blk);
+}
+
+static int comp_init_block(decode_block * block, int block_size, uchar * orig)
+{
+ if (block == 0)
+ return RET(COMP_ERR_PARAM);
+ block->orig.first = orig;
+ block->comp.first = (uchar *) (block + 1);
+ block->b.ptr = 0;
+ block->b.decoded = -1;
+ block->b.total = -1;
+ block->b.number = -1;
+ block->n = -1;
+ block->magic = BLOCK_MAGIC;
+ return (COMP_ERR_NONE);
+}
+
+static int comp_alloc_block(decode_block ** ret_block, int block_size)
+{
+ decode_block *block;
+
+ if (ret_block == 0)
+ return RET(COMP_ERR_PARAM);
+ *ret_block = 0;
+ if ((block = (decode_block *) malloc(sizeof(*block) + block_size)) == 0)
+ return RET(COMP_ERR_NOMEM);
+ cbEGTBCompBytes += sizeof(*block) + block_size;
+ if (0 != comp_init_block(block, block_size, NULL))
+ return RET(COMP_ERR_PARAM);
+ *ret_block = block;
+ return (COMP_ERR_NONE);
+}
+
+#define RETURN(n) \
+ return ((n) == COMP_ERR_NONE ? COMP_ERR_NONE : RET (n));
+
+static int comp_read_block(decode_block * block, decode_info * info, FILE * fd,
+ int n)
+{
+ int comp_size, orig_size, comp_start;
+ uchar *comp, *orig;
+
+ if (block == 0 || block->magic != BLOCK_MAGIC)
+ return RET(COMP_ERR_PARAM);
+ assert(info->magic == DECODE_MAGIC);
+ if ((unsigned) n >= (unsigned) info->n_blk)
+ RETURN(COMP_ERR_PARAM);
+ comp = block->comp.first;
+ block->n = n;
+ orig = block->orig.first;
+ orig_size = info->block_size;
+ if (n == info->n_blk - 1)
+ orig_size = info->last_block_size;
+ block->orig.size = orig_size;
+ comp_start = calculate_offset(info, n);
+ block->comp.size = comp_size = calculate_offset(info, n + 1) - comp_start;
+ if (fseek(fd, comp_start, SEEK_SET) != 0)
+ RETURN(COMP_ERR_READ);
+ if (fread(comp, 1, comp_size, fd) != (size_t) comp_size)
+ RETURN(COMP_ERR_READ);
+ if (info->check_crc
+ && info->crc[(n << 1) + 1] != CRC32(block->comp.first, comp_size, 0))
+ RETURN(COMP_ERR_BROKEN);
+ block->emit.rept = 0;
+ if (comp_size == orig_size) {
+ memcpy(orig, comp, comp_size);
+ block->emit.ptr = orig + comp_size;
+ block->b.decoded = comp_size;
+ } else {
+ block->emit.ptr = orig;
+ block->b.decoded = 0;
+ }
+ block->b.number = n;
+ block->b.ptr = orig;
+ block->b.total = orig_size;
+
+ RETURN(COMP_ERR_NONE);
+}
+
+static int comp_decode_and_check_crc(decode_block * block, decode_info * info,
+ int n, int check_crc)
+{
+ if (block == 0 || block->magic != BLOCK_MAGIC)
+ return RET(COMP_ERR_PARAM);
+ assert(info->magic == DECODE_MAGIC);
+ if ((unsigned) (n - 1) > (unsigned) (block->orig.size - 1))
+ RETURN(COMP_ERR_PARAM);
+ if (check_crc)
+ n = block->orig.size;
+ do_decode(info, block, block->orig.first + n);
+ block->b.ptr = block->orig.first;
+ block->b.total = block->orig.size;
+ if (block->b.decoded >= block->b.total) {
+ if (block->b.decoded > block->b.total)
+ RETURN(COMP_ERR_BROKEN);
+ if (block->emit.rept != 0)
+ RETURN(COMP_ERR_BROKEN);
+ }
+ if (check_crc && info->check_crc
+ && info->crc[block->n << 1] != CRC32(block->orig.first, block->orig.size,
+ 0))
+ RETURN(COMP_ERR_BROKEN);
+
+ RETURN(COMP_ERR_NONE);
+}
+
+#if !defined (COLOR_DECLARED)
+
+/*
+ Test driver
+ */
+
+#define CRC_CHECK 1
+
+int main(int argc, char *argv[])
+{
+ int i;
+ int size;
+ int result;
+ FILE *fp;
+ decode_info *comp_info;
+ decode_block *comp_block;
+ clock_t tStart, tEnd;
+ double dSeconds;
+ uchar rgbBuf[8192 + 32];
+
+ if (2 != argc) {
+ printf("Invalid arguments\n");
+ exit(1);
+ }
+ fp = fopen(argv[1], "rb");
+ if (0 == fp) {
+ printf("Unable to open file\n");
+ exit(1);
+ }
+ result = comp_open_file(&comp_info, fp, CRC_CHECK);
+ if (0 != result) {
+ printf("Unable to read file (1): %d\n", result);
+ exit(1);
+ }
+ if (8192 != comp_info->block_size) {
+ printf("Invalid block size: %d\n", comp_info->block_size);
+ exit(1);
+ }
+ result = comp_alloc_block(&comp_block, comp_info->block_size);
+ if (0 != result) {
+ printf("Unable to allocate block: %d\n", result);
+ exit(1);
+ }
+
+ size = 0;
+ tStart = clock();
+ for (i = 0; i < comp_info->n_blk; i++) {
+ if (0 !=
+ (result = comp_init_block(comp_block, comp_info->block_size, rgbBuf))) {
+ printf("Unable to init block: %d\n", result);
+ exit(1);
+ }
+ if (0 != (result = comp_read_block(comp_block, comp_info, fp, i))) {
+ printf("Unable to read block: %d\n", result);
+ exit(1);
+ }
+ size += comp_block->orig.size;
+ if (0 !=
+ (result =
+ comp_decode_and_check_crc(comp_block, comp_info, comp_block->orig.size,
+ CRC_CHECK))) {
+ printf("Unable to decode block: %d\n", result);
+ exit(1);
+ }
+ }
+ tEnd = clock();
+ dSeconds = (double) (tEnd - tStart) / CLOCKS_PER_SEC;
+ printf("Total memory allocated: %dKb\n", (cbEGTBCompBytes + 1023) / 1024);
+ printf("%g seconds, %dMb, %gMb/sec)\n", dSeconds, size / (1024 * 1024),
+ size / (1024 * 1024) / dSeconds);
+ return 0;
+}
+
+#endif
+#endif
--- /dev/null
+#!/bin/sh
+
+opts='--cpus 1 --hash 256m --egtbpath /egtb/three;/egtb/four;/egtb/five'
+
+if [ $# -ne 2 ]; then
+ echo "Usage: ${0} <required-test-name> <time>"
+ exit 1
+fi
+./typhoon ${opts} --logfile test.log --batch --command "st ${2}; script ${1}"
+tail -19 ./test.log | head -9 > ./checkin
+./suite_diff.pl ./test.log ./lastrun.log >> ./checkin
+more ./checkin
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testbitboard.c
+
+Abstract:
+
+ Unit test for the bitboard code.
+
+Author:
+
+
+Revision History:
+
+**/
+
+#ifdef TEST
+#include "chess.h"
+
+void TestBitboards(void)
+/**
+
+Routine description:
+
+ Sanity check bitboard code and benchmark the different ways to
+ twiddle bits.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ COOR c;
+ ULONG b;
+ BITBOARD bb;
+ BITBOARD bbSpeed[1000];
+ ULONG u, v, w, z;
+ UINT64 u64;
+
+ Trace("Testing bitboard operations...\n");
+
+ //
+ // Make a table of 1000 random bitboards
+ //
+ for (u = 0;
+ u < 1000;
+ u++)
+ {
+ bbSpeed[u] = 0;
+ w = rand() % 24;
+ for (v = 0; v < w; v++)
+ {
+ z = RANDOM_COOR;
+ ASSERT(SLOWCOOR_TO_BB(z) == COOR_TO_BB(z));
+ bb = COOR_TO_BB(z);
+ bbSpeed[u] |= bb;
+ }
+ }
+
+#if 1
+ //
+ // Various benchmaring code.
+ //
+ u64 = SystemReadTimeStampCounter();
+ for (u = 0; u < 1000000; u++)
+ {
+ b = u % 64;
+ bb = SLOWCOOR_TO_BB(b);
+ }
+ printf(" SLOWCOOR_TO_BB: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / 1000000);
+ u64 = SystemReadTimeStampCounter();
+ for (u = 0; u < 1000000; u++)
+ {
+ b = u % 64;
+ bb = COOR_TO_BB(b);
+ }
+ printf(" COOR_TO_BB: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / 1000000);
+
+ u64 = SystemReadTimeStampCounter();
+ for (v = 1; v < 1000; v++)
+ {
+ for (u = 0; u < 1000; u++)
+ {
+ b = SlowCountBits(bbSpeed[u]);
+ }
+ }
+ printf(" SlowCountBits: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / (1000 * 1000));
+
+ u64 = SystemReadTimeStampCounter();
+ for (v = 0; v < 1000; v++)
+ {
+ for (u = 0; u < 1000; u++)
+ {
+ b = CountBits(bbSpeed[u]);
+ }
+ }
+ printf(" CountBits: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / (1000 * 1000));
+
+ u64 = SystemReadTimeStampCounter();
+ for (v = 0; v < 1000; v++)
+ {
+ for (u = 0; u < 1000; u++)
+ {
+ b = SlowLastBit(bbSpeed[u]);
+ }
+ }
+ printf(" SlowLastBit: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / (1000 * 1000));
+
+ u64 = SystemReadTimeStampCounter();
+ for (v = 0; v < 1000; v++)
+ {
+ for (u = 0; u < 1000; u++)
+ {
+ b = LastBit(bbSpeed[u]);
+ }
+ }
+ printf(" LastBit: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / (1000 * 1000));
+
+ u64 = SystemReadTimeStampCounter();
+ for (v = 0; v < 1000; v++)
+ {
+ for (u = 0; u < 1000; u++)
+ {
+ b = SlowFirstBit(bbSpeed[u]);
+ }
+ }
+ printf(" SlowFirstBit: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / (1000 * 1000));
+
+ u64 = SystemReadTimeStampCounter();
+ for (v = 0; v < 1000; v++)
+ {
+ for (u = 0; u < 1000; u++)
+ {
+ b = DeBruijnFirstBit(bbSpeed[u]);
+ }
+ }
+ printf(" DeBruijnFirstBit: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / (1000 * 1000));
+
+ u64 = SystemReadTimeStampCounter();
+ for (v = 0; v < 1000; v++)
+ {
+ for (u = 0; u < 1000; u++)
+ {
+ b = FirstBit(bbSpeed[u]);
+ }
+ }
+ printf(" FirstBit: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/op\n",
+ (SystemReadTimeStampCounter() - u64) / (1000 * 1000));
+#endif
+
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c)) continue;
+
+ if (BIT_NUMBER_TO_COOR(COOR_TO_BIT_NUMBER(c)) != c)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL,
+ "bit number to coor / coor to bit number",
+ NULL,
+ NULL,
+ __FILE__, __LINE__);
+ }
+
+ if (SLOW_BIT_NUMBER_TO_COOR(COOR_TO_BIT_NUMBER(c)) != c)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL,
+ "slow bit number to coor / coor to bit number",
+ NULL,
+ NULL,
+ __FILE__, __LINE__);
+ }
+
+ if (BIT_NUMBER_TO_COOR(COOR_TO_BIT_NUMBER(c)) !=
+ SLOW_BIT_NUMBER_TO_COOR(COOR_TO_BIT_NUMBER(c)))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL,
+ "bit number to coor / slow bit number to coor",
+ NULL,
+ NULL,
+ __FILE__, __LINE__);
+ }
+ }
+
+ for (b = 1;
+ b < 64;
+ b++)
+ {
+ if (COOR_TO_BIT_NUMBER(BIT_NUMBER_TO_COOR(b)) != (b))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL,
+ "coor to bit number / bit number to coor",
+ NULL,
+ NULL,
+ __FILE__, __LINE__);
+ }
+ }
+
+ bb = COOR_TO_BB(A4);
+ bb |= COOR_TO_BB(A6);
+ bb |= COOR_TO_BB(A8);
+ bb |= COOR_TO_BB(B6);
+ bb |= COOR_TO_BB(H2);
+ if (CountBits(bb) != 5)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CountBits", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ bb &= BBFILE[A];
+ if (CountBits(bb) != 3)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CountBits", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ b = 0;
+ while(IS_ON_BOARD(c = CoorFromBitBoardRank8ToRank1(&bb)))
+ {
+ b++;
+ if ((c != A4) && (c != A6) && (c != A8))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CoorFromBitBoardRank8ToRank1", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ }
+
+ if (b != 3)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CoorFromBitBoardRank8ToRank1", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ bb = SLOWCOOR_TO_BB(A4) | SLOWCOOR_TO_BB(H2);
+ bb |= SLOWCOOR_TO_BB(D4) | SLOWCOOR_TO_BB(F6) | SLOWCOOR_TO_BB(F4);
+ if (CountBits(bb) != 5)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CountBits", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ bb &= BBRANK[4];
+ if (CountBits(bb) != 3)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CountBits", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ b = 0;
+ while(IS_ON_BOARD(c = CoorFromBitBoardRank1ToRank8(&bb)))
+ {
+ b++;
+ if ((c != A4) && (c != D4) && (c != F4))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CoorFromBitBoardRank1ToRank8", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ }
+
+ if (b != 3)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "CoorFromBitBoardRank1ToRank8", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testdraw.c
+
+Abstract:
+
+ Test the draw detection code.
+
+Author:
+
+
+Revision History:
+
+ $Id: testdraw.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#ifdef TEST
+#include "chess.h"
+
+void
+TestDraw(void)
+{
+ SEARCHER_THREAD_CONTEXT *ctx;
+ POSITION pos;
+ MOVE mv;
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ ASSERT(ctx);
+
+ Trace("Testing draw detection code...\n");
+
+ (void)FenToPosition(&pos,
+ "rnbqkbnr/ppp2ppp/8/3pp3/3PP3/8/PPP2PPP/RNBQKBNR w KQkq - 0 0");
+ InitializeSearcherContext(&pos, ctx);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ mv.uMove = 0;
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ UnmakeMove(ctx, mv);
+
+ mv.uMove = MAKE_MOVE(F1, D3, WHITE_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 1)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ mv.uMove = MAKE_MOVE(F8, D6, BLACK_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 2)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ mv.uMove = MAKE_MOVE(D3, F1, WHITE_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 3)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ mv.uMove = MAKE_MOVE(D6, F8, BLACK_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (FALSE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 4)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ UnmakeMove(ctx, mv);
+
+ // ====
+
+ mv.uMove = MAKE_MOVE(E5, D4, BLACK_PAWN, WHITE_PAWN, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 0)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ mv.uMove = MAKE_MOVE(E4, D5, WHITE_PAWN, BLACK_PAWN, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 0)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ // ---
+
+ mv.uMove = MAKE_MOVE(D6, C5, BLACK_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 1)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ mv.uMove = MAKE_MOVE(F1, E2, WHITE_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 2)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ mv.uMove = MAKE_MOVE(C5, D6, BLACK_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (TRUE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 3)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ mv.uMove = MAKE_MOVE(E2, F1, WHITE_BISHOP, 0, 0, 0);
+ MakeMove(ctx, mv);
+ if (FALSE == IsDraw(ctx))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (ctx->sPosition.uFifty != 4)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "IsDraw", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ //
+ // TODO: make some moves "officially" and test rolling back into
+ // the gamelist to detect a draw.
+ //
+ SystemFreeMemory(ctx);
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testeval.c
+
+Abstract:
+
+ An eval term storage and dumping mechanism. Also code to sanity
+ check the evaluator routines.
+
+Author:
+
+
+Revision History:
+
+ $Id: testeval.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+#ifdef EVAL_DUMP
+
+#include "chess.h"
+
+typedef struct _EVALTERM
+{
+ CHAR szMessage[SMALL_STRING_LEN_CHAR];
+ COOR cLoc;
+ SCORE iVal;
+ DLIST_ENTRY links;
+}
+EVALTERM;
+
+static EVALTERM g_EvalData[2][8][32];
+static ULONG g_EvalCounts[2][8];
+
+void
+EvalTraceClear(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ memset(g_EvalData, 0, sizeof(g_EvalData));
+ memset(g_EvalCounts, 0, sizeof(g_EvalCounts));
+}
+
+void
+EvalTrace(IN ULONG uColor,
+ IN PIECE p,
+ IN COOR c,
+ IN SCORE iVal,
+ IN CHAR *szMessage)
+/**
+
+Routine description:
+
+ Add a term to the current positions evaluation trace database.
+
+Parameters:
+
+ IN ULONG uColor,
+ IN PIECE p,
+ IN COOR c,
+ IN SCORE iVal,
+ IN CHAR *szMessage
+
+Return value:
+
+ void
+
+**/
+{
+ if ((iVal == 0) && (c != ILLEGAL_COOR)) return;
+
+ ASSERT(p <= 7);
+ ASSERT(iVal < +2000);
+ ASSERT(iVal > -2000);
+
+ //
+ // Note: The square control code in eval does this to avoid an if.
+ // Just ignore anything that is passed to us that is not BLACK or
+ // WHITE.
+ //
+ if (!IS_VALID_COLOR(uColor))
+ {
+ return;
+ }
+ g_EvalData[uColor][p][g_EvalCounts[uColor][p]].cLoc = c;
+ g_EvalData[uColor][p][g_EvalCounts[uColor][p]].iVal = iVal;
+ strncpy(g_EvalData[uColor][p][g_EvalCounts[uColor][p]].szMessage,
+ szMessage,
+ SMALL_STRING_LEN_CHAR);
+ g_EvalCounts[uColor][p]++;
+}
+
+
+SCORE
+EvalSigmaForPiece(IN POSITION *pos, IN COOR c)
+/**
+
+Routine description:
+
+Parameters:
+
+ IN POSITION *pos,
+ IN COOR c
+
+Return value:
+
+ SCORE
+
+**/
+{
+ SCORE iSum[2] = {0, 0};
+ ULONG uColor;
+ ULONG u, v;
+
+ FOREACH_COLOR(uColor)
+ {
+ for (u = 0; u < 8; u++)
+ {
+ for (v = 0; v < g_EvalCounts[uColor][u]; v++)
+ {
+ if (g_EvalData[uColor][u][v].cLoc == c)
+ {
+ Trace("%s %-30s%-3s%4d\n",
+ (uColor == WHITE) ? "white" : "black",
+ g_EvalData[uColor][u][v].szMessage,
+ CoorToString(g_EvalData[uColor][u][v].cLoc),
+ g_EvalData[uColor][u][v].iVal);
+ iSum[uColor] += g_EvalData[uColor][u][v].iVal;
+ }
+ }
+ }
+ }
+ Trace("Totals are BLACK: %d, WHITE: %d.\n", iSum[BLACK], iSum[WHITE]);
+
+ if (IS_ON_BOARD(c))
+ {
+ if (pos->rgSquare[c].pPiece)
+ {
+ return(iSum[GET_COLOR(pos->rgSquare[c].pPiece)]);
+ }
+ }
+ return(0);
+}
+
+
+void
+EvalTraceReport(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ PIECE p;
+ ULONG uWhitePtr, uBlackPtr;
+ CHAR szLine[SMALL_STRING_LEN_CHAR];
+ SCORE iPieceTotal[2];
+
+ Trace(
+"--- WHITE -------------------LOC--VAL---- BLACK --------------------LOC--VAL-\n"
+ );
+
+ for (p = 0;
+ p < 8;
+ p++)
+ {
+ if ((g_EvalCounts[WHITE][p] + g_EvalCounts[BLACK][p]) == 0)
+ {
+ continue;
+ }
+
+ Trace("\n");
+ iPieceTotal[WHITE] = iPieceTotal[BLACK] = 0;
+
+ Trace("%s:\n---------------\n", g_PieceData[p].szName);
+
+ for (uWhitePtr = 0, uBlackPtr = 0;
+ ((uWhitePtr < g_EvalCounts[WHITE][p]) ||
+ (uBlackPtr < g_EvalCounts[BLACK][p]));
+ uWhitePtr++, uBlackPtr++)
+ {
+ memset(szLine, 0, sizeof(szLine));
+
+ if (uWhitePtr < g_EvalCounts[WHITE][p])
+ {
+ sprintf(szLine, "%-30s%-3s%4d",
+ g_EvalData[WHITE][p][uWhitePtr].szMessage,
+ CoorToString(g_EvalData[WHITE][p][uWhitePtr].cLoc),
+ g_EvalData[WHITE][p][uWhitePtr].iVal);
+ iPieceTotal[WHITE] +=
+ g_EvalData[WHITE][p][uWhitePtr].iVal;
+ }
+ else
+ {
+ sprintf(szLine, " ");
+ }
+
+ if (uBlackPtr < g_EvalCounts[BLACK][p])
+ {
+ sprintf(szLine, "%s %-30s%-3s%4d",
+ szLine,
+ g_EvalData[BLACK][p][uBlackPtr].szMessage,
+ CoorToString(g_EvalData[BLACK][p][uBlackPtr].cLoc),
+ g_EvalData[BLACK][p][uBlackPtr].iVal);
+ iPieceTotal[BLACK] +=
+ g_EvalData[BLACK][p][uBlackPtr].iVal;
+ }
+ strcat(szLine, "\n");
+ Trace(szLine);
+ }
+
+ if ((iPieceTotal[WHITE] != 0) || (iPieceTotal[BLACK] != 0))
+ {
+ Trace(" TOTAL WHITE . . . . . . . %4d"
+ " TOTAL BLACK . . . . . . . %4d\n",
+ iPieceTotal[WHITE], iPieceTotal[BLACK]);
+ }
+ }
+}
+
+
+void
+TestEvalWithSymmetry(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ SEARCHER_THREAD_CONTEXT *ctx = malloc(sizeof(SEARCHER_THREAD_CONTEXT));
+ POSITION pos;
+ SCORE i;
+
+ GenerateRandomLegalSymetricPosition(&pos);
+ InitializeSearcherContext(&pos, ctx);
+
+ i = Eval(ctx, -INFINITY, INFINITY);
+ if (i != 0)
+ {
+ DumpPosition(&ctx->sPosition);
+ Trace(">>>> ");
+ }
+ Trace("Eval: %s\n", ScoreToString(i));
+ free(ctx);
+}
+
+typedef struct _EVAL_TEST
+{
+ CHAR *szFen;
+ CHAR *szFeature[5];
+} EVAL_TEST;
+
+void
+TestEvalWithKnownPositions(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ static const EVAL_TEST x[] =
+ {
+ {
+ // htryc pg 388
+ "r1br2k1/pp2pp1p/6p1/3P4/4P3/8/P2KBPPP/1R5R w - - 0 1",
+ { "w>b", NULL, NULL, NULL, NULL }
+ },
+ {
+ // trryc pg 389
+ "r1r3k1/p2qpp1p/np1p2p1/3P4/PP1QP3/4BP2/6PP/2RR2K1 w - - 0 1",
+ { "w>b", "E3>A6", NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 180
+ "2r1b1k1/1qr2p2/p1p1p1p1/2R4p/1P5P/P1R1PBP1/5P2/2Q3K1 w - - 0 1",
+ { "w>b", "F3>E8", NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 209
+ "8/4b3/pp2kppp/2p1p3/P1K1P1PP/1PP1NP2/8/8 w - - 0 1",
+ { "w>b", "E3>E7", NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 227
+ "1q1rrbk1/1p3p1p/p2p2p1/3Pp3/1P2P3/P3BP2/3Q2PP/R2R2K1 w - - 0 1",
+ { "w>b", "E3>F8", NULL, NULL, NULL }
+ },
+ {
+ // htryc 117
+ "4r2k/4qp1p/p4p2/2b2P2/2p5/3brRP1/PP1Q2BP/3R2NK w - - 0 1",
+ { "b>w", NULL, NULL, NULL, NULL }
+ },
+ {
+ // htryc 161b
+ "r2r2k1/pbq3bp/1p4p1/4n3/3BP1Q1/2P3NP/P7/1B1R1RK1 b - - 0 1",
+ { "b>w", "B7>B1", "e5>g3", NULL, NULL }
+ },
+ {
+ // htryc 161
+ "r2r2k1/pb1q2bp/1p2p1p1/n1p2p2/3PPPP1/2PBB1NP/P7/2R1QRK1 b - - 0 1",
+ { "b>w", NULL, NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 136
+ "6rr/1pqbkn1p/1Pp1p1pP/2Pp1pP1/3P1P2/Q2BPN2/5K1R/7R b - - 0 1",
+ { "w>b", "F3>D7", "d3>d7", NULL, NULL }
+ },
+ {
+ // htryc pg 133
+ "r4rk1/pp1bqn1p/2p1pnp1/3pNp2/2PP1P2/3BP3/PPQN2PP/1R3RK1 b - - 0 1",
+ { "w>b", "E5>D7", "d2>d7", "d3>d7", NULL }
+ },
+ {
+ // ppic pg 7
+ "6k1/5ppp/8/P7/2p5/8/5PPP/6K1 w - - 0 1",
+ { "w>b", NULL, NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 120
+ "r4rk1/pp3ppp/5n2/2pPp3/2P1B2n/P3PP2/5P1P/R1B2RK1 b - - 0 1",
+ { "b>w", "H4>E4", "h4>c1", "f6>c1", NULL }
+ },
+ {
+ // htryc pg 111
+ "8/1p6/npn2k2/3p3p/P2P1B2/2K5/7P/1B6 b - - 0 1",
+ { "w>b", NULL, NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 98
+ "4r1k1/1p1rq1pp/2p1p3/p1P1Ppb1/P2P4/1PNR1QP1/6KP/3R4 b - - 0 1",
+ { "g5>c3", NULL, NULL, NULL, NULL }
+ },
+ {
+ "4rqk1/1pbr2pp/2pNp3/p1P1Pp2/P2P4/1P1R1QP1/6KP/3R4 b - - 0 1",
+ { "w>b", "D6>C7", NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 96
+ "r2q1rk1/pb3ppp/1p6/3p4/3N4/1Q6/PP2RPPP/R5K1 b - - 0 1",
+ { "d4>b7", NULL, NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 96
+ "r2q1rk1/pb2nppp/1p2p3/8/3P4/1QN2N2/PP2RPPP/R5K1 b - - 0 1",
+ { "b7>c3", "B7>F3", NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 95
+ "r3r1k1/pp3ppp/3p1b2/3NpP2/2q1P3/8/PPP3PP/R3QRK1 w - - 0 1",
+ { "d5>f6", "w>b", NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 95
+ "2rbr1k1/p4ppp/3p4/1pqNpP2/4P3/1PP2R2/P5PP/R3Q2K b - - 0 1",
+ { "w>b", NULL, NULL, NULL, NULL }
+ },
+ {
+ //
+ "2br2k1/5pp1/1p3q1p/2pBpP2/2P1P3/P6P/2Q3P1/5RK1 w - - 0 1",
+ { "d5>c8", NULL, NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 59a
+ "k5B1/n7/7P/2p5/1p4P1/p7/7K/8 w - - 0 1",
+ { "g8>a7", NULL, NULL, NULL, NULL }
+ },
+ {
+ // htryc pg 59b
+ "2br2k1/5pp1/1p3q1p/2p1pP2/2P1P3/P2B3P/2Q3P1/5RK1 w - - 0 1",
+ { "b>w", "c8>d3", NULL, NULL, NULL }
+ },
+ };
+
+ ULONG u, v;
+ SEARCHER_THREAD_CONTEXT ctx;
+ CHAR *p;
+ COOR c1, c2;
+ SCORE i, w, b, i1st, i2nd;
+ CHAR cRelationship;
+
+ Trace("Testing static eval code...\n");
+ for (u = 0;
+ u < ARRAY_LENGTH(x);
+ u++)
+ {
+ ctx.uPositional = 0;
+ if (FALSE == FenToPosition(&(ctx.sPosition), x[u].szFen))
+ {
+ UtilPanic(INCONSISTENT_STATE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ i = Eval(&ctx, -INFINITY, +INFINITY);
+ Trace("Position %u: SCORE %d for side to move.\n", u, i);
+ if (ctx.sPosition.uToMove == WHITE)
+ {
+ w = i;
+ b = -i;
+ }
+ else
+ {
+ b = i;
+ w = -i;
+ }
+
+ for (v = 0;
+ v < ARRAY_LENGTH(x[u].szFeature);
+ v++)
+ {
+ p = x[u].szFeature[v];
+ if (p != NULL)
+ {
+ Trace("Testing feature \"%s\"\n", p);
+
+ cRelationship = '=';
+ i1st = INVALID_SCORE;
+ i2nd = INVALID_SCORE;
+ c1 = ILLEGAL_COOR;
+ c2 = ILLEGAL_COOR;
+
+ while(*p)
+ {
+ if (LooksLikeCoor(p))
+ {
+ if (IS_ON_BOARD(c1))
+ {
+ c2 = FILE_RANK_TO_COOR((tolower(p[0]) - 'a'),
+ (tolower(p[1]) - '0'));
+ if (INVALID_SCORE == i1st)
+ {
+ i1st = EvalSigmaForPiece(&(ctx.sPosition), c2);
+ }
+ else
+ {
+ i2nd = EvalSigmaForPiece(&(ctx.sPosition), c2);
+ }
+ p += 2;
+ }
+ else
+ {
+ c1 = FILE_RANK_TO_COOR((tolower(p[0]) - 'a'),
+ (tolower(p[1]) - '0'));
+ if (INVALID_SCORE == i1st)
+ {
+ i1st = EvalSigmaForPiece(&(ctx.sPosition), c1);
+ }
+ else
+ {
+ i2nd = EvalSigmaForPiece(&(ctx.sPosition), c1);
+ }
+ p += 2;
+ }
+ }
+ else
+ {
+ switch(*p)
+ {
+ case 'w':
+ if (INVALID_SCORE == i1st)
+ {
+ i1st = w;
+ }
+ else
+ {
+ i2nd = w;
+ }
+ break;
+ case 'b':
+ if (INVALID_SCORE == i1st)
+ {
+ i1st = b;
+ }
+ else
+ {
+ i2nd = b;
+ }
+ break;
+ case '<':
+ cRelationship = '<';
+ break;
+ case '>':
+ cRelationship = '>';
+ break;
+ default:
+ break;
+ }
+ p++;
+ }
+ }
+
+ switch(cRelationship)
+ {
+ case '<':
+ if (i1st >= i2nd)
+ {
+ Trace("%s NOT TRUE.\n", x[u].szFeature[v]);
+ EvalTraceReport();
+ DumpPosition(&(ctx.sPosition));
+ BREAKPOINT;
+ }
+ break;
+ case '>':
+ if (i2nd >= i1st)
+ {
+ Trace("%s NOT TRUE.\n", x[u].szFeature[v]);
+ EvalTraceReport();
+ DumpPosition(&(ctx.sPosition));
+ BREAKPOINT;
+ }
+ break;
+ default:
+ Trace("Unknown cRelationship.\n");
+ break;
+ }
+ }
+
+ } // v
+
+ } // u
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testfen.c
+
+Abstract:
+
+ Test the fen parser.
+
+Author:
+
+
+Revision History:
+
+ $Id: testfen.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+char *_szPieceAbbrevs = "pPnNbBrRqQkK";
+
+#ifdef TEST
+CHAR *
+GenerateRandomLegalFenString(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR
+
+**/
+{
+ static CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ CHAR *pch = buf;
+ static ULONG uPieceLimits[14] =
+ // - - p P n N b B r R q Q k K
+ {0, 0, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1};
+ ULONG uPieceCounts[14] =
+ // - - p P n N b B r R q Q k K
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
+ ULONG uNumPiecesOnBoard = 2;
+ COOR c;
+ COOR cKingLoc[2];
+ PIECE p;
+
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Do the board. Note: this can result in a position where one or
+ // both kings are en-prise, pawns on the 1st/8th etc. The purpose
+ // is just to test PositionToFen and FenToPosition, not to make
+ // legal chess position.
+ //
+ cKingLoc[WHITE] = RANDOM_COOR;
+ do
+ {
+ cKingLoc[BLACK] = RANDOM_COOR;
+ }
+ while(cKingLoc[WHITE] == cKingLoc[BLACK]);
+ ASSERT(IS_ON_BOARD(cKingLoc[WHITE]));
+ ASSERT(IS_ON_BOARD(cKingLoc[BLACK]));
+
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c))
+ {
+ if (c % 8 == 0) *pch++ = '/';
+ continue;
+ }
+ else
+ {
+ if (c == cKingLoc[WHITE])
+ {
+ *pch = 'K';
+ }
+ else if (c == cKingLoc[BLACK])
+ {
+ *pch = 'k';
+ }
+ else
+ {
+ if ((rand() & 1) &&
+ (uNumPiecesOnBoard < 32))
+ {
+ do
+ {
+ p = RANDOM_PIECE;
+ ASSERT(IS_VALID_PIECE(p));
+ }
+ while(uPieceCounts[p] >= uPieceLimits[p]);
+ uPieceCounts[p]++;
+ uNumPiecesOnBoard++;
+ *pch = *(_szPieceAbbrevs + (p - 2));
+ }
+ else
+ {
+ *pch = '-';
+ }
+ }
+ }
+ pch++;
+ }
+ *pch++ = ' ';
+
+ //
+ // Do side on move
+ //
+ *pch = 'w';
+ if (rand() & 1)
+ {
+ *pch = 'b';
+ }
+ pch++;
+ *pch++ = ' ';
+
+ //
+ // Do castling permissions
+ //
+ *pch++ = '-';
+ *pch++ = ' ';
+
+ //
+ // Do the rest
+ //
+ strcat(buf, "- 0 1");
+
+ return(buf);
+}
+
+
+void
+TestFenCode(void)
+{
+ char *p;
+ char *q;
+ UINT u = 0;
+ POSITION pos1, pos2;
+
+ Trace("Testing FEN translation code...\n");
+ do
+ {
+ //
+ // Generate a random legal FEN string and parse it into pos1.
+ //
+ p = GenerateRandomLegalFenString();
+ if (FALSE == FenToPosition(&pos1, p))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, p, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ //
+ // Set q to be the FEN code of the position at pos1.
+ //
+ q = PositionToFen(&pos1);
+ if (NULL == q)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ &pos1, "q <- PositionToFen", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ //
+ // Set pos2 to be the position represented in q.
+ //
+ if (FALSE == FenToPosition(&pos2, q))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, q, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ //
+ // Pos1 and pos2 should be identical
+ //
+ if (FALSE == PositionsAreEquivalent(&pos1, &pos2))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL,
+ "One initial FEN string has generated two "
+ "different positions",
+ &pos1,
+ &pos2,
+ __FILE__, __LINE__);
+ }
+ SystemFreeMemory(q);
+ u++;
+ }
+ while(u < 10000);
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testgenerate.c
+
+Abstract:
+
+ Test the move generator.
+
+Author:
+
+
+Revision History:
+
+ $Id: testgenerate.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#ifdef TEST
+#include "chess.h"
+
+UINT64 g_uPlyTestLeafNodeCount = 0;
+UINT64 g_uPlyTestTotalNodeCount = 0;
+
+extern CHAR *GenerateRandomLegalFenString();
+
+void
+PlyTest(SEARCHER_THREAD_CONTEXT *ctx,
+ ULONG uDepth,
+ FLAG fInCheck)
+{
+ ULONG u;
+ MOVE mv;
+ ULONG uPly = ctx->uPly;
+ ULONG uLegalMoves = 0;
+ FLAG fGivesCheck;
+#if DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+
+ if (uDepth > MAX_PLY_PER_SEARCH)
+ {
+ return;
+ }
+ else if (uDepth == 0)
+ {
+ g_uPlyTestTotalNodeCount++;
+ g_uPlyTestLeafNodeCount++;
+ return;
+ }
+ g_uPlyTestTotalNodeCount++;
+
+ mv.uMove = 0;
+ GenerateMoves(ctx, mv, (fInCheck ? GENERATE_ESCAPES : GENERATE_ALL_MOVES));
+ for (u = ctx->sMoveStack.uBegin[uPly];
+ u < ctx->sMoveStack.uEnd[uPly];
+ u++)
+ {
+ mv = ctx->sMoveStack.mvf[u].mv;
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+
+ if (MakeMove(ctx, mv))
+ {
+ uLegalMoves++;
+ ASSERT(!InCheck(&ctx->sPosition, GET_COLOR(mv.pMoved)));
+ fGivesCheck = IS_CHECKING_MOVE(mv);
+#ifdef DEBUG
+ if (fGivesCheck)
+ {
+ ASSERT(InCheck(&ctx->sPosition, FLIP(GET_COLOR(mv.pMoved))));
+ }
+ else
+ {
+ ASSERT(!InCheck(&ctx->sPosition, FLIP(GET_COLOR(mv.pMoved))));
+ }
+#endif
+ PlyTest(ctx, uDepth - 1, fGivesCheck);
+ UnmakeMove(ctx, mv);
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+ }
+ }
+}
+
+
+void
+TestMoveGenerator(void)
+{
+ typedef struct _TEST_MOVEGEN
+ {
+ char *szFen;
+ UINT64 uLeaves[7];
+ }
+ TEST_MOVEGEN;
+
+ TEST_MOVEGEN x[] =
+ {
+ {
+ "3Q4/1Q4Q1/4Q3/2Q4R/Q4Q2/3Q4/1Q4Rp/1K1BBNNk w - - 0 1",
+ { 218, 0, 0, 0, 0, 0, 0 }
+ },
+ {
+ "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - - 0 0",
+ { 48, 2039, 97862, 4085603, 193690690ULL, 8031647685ULL }
+ },
+ {
+ "8/PPP4k/8/8/8/8/4Kppp/8 w - - 0 0",
+ { 18, 290, 5044, 89363, 1745545, 34336777ULL, 749660761ULL }
+ },
+ {
+ "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - 0 0",
+ { 14, 191, 2812, 43238, 674624, 11030083ULL, 78633661ULL }
+ },
+ {
+ "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w - - 0 0",
+ { 20, 400, 8902, 197281, 4865609, 119060324ULL, 3195901860ULL }
+ },
+ };
+ ULONG u, v;
+
+ SEARCHER_THREAD_CONTEXT *ctx;
+ POSITION pos;
+
+ Trace("Testing move generator...\n");
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ ASSERT(ctx);
+ for (u = 0; u < ARRAY_LENGTH(x); u++)
+ {
+ if (FALSE == FenToPosition(&pos, x[u].szFen))
+ {
+ UtilPanic(INCONSISTENT_STATE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ InitializeSearcherContext(&pos, ctx);
+
+ for (v = 1; v <= 4; v++)
+ {
+ g_uPlyTestLeafNodeCount = 0;
+ g_uPlyTestTotalNodeCount = 0;
+ PlyTest(ctx, v, FALSE);
+
+ if ((x[u].uLeaves[v-1]) &&
+ (g_uPlyTestLeafNodeCount != x[u].uLeaves[v-1]))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "Perft", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ }
+ }
+ SystemFreeMemory(ctx);
+}
+
+
+void
+TestLegalMoveGenerator(void)
+{
+ ULONG u, v;
+ CHAR *p;
+ POSITION pos;
+ SEARCHER_THREAD_CONTEXT *ctx;
+ MOVE mv;
+ ULONG uLegalKingMoves;
+ ULONG uTotalLegalMoves;
+ ULONG uGen;
+
+ Trace("Testing legal move generator...\n");
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ ASSERT(ctx);
+ u = 0;
+ do
+ {
+ switch(rand() % 10)
+ {
+ case 0:
+ p = "8/2K1p2k/1Q2B1p1/2N5/q4q2/3p2Pp/7P/8 w - - 2 0";
+ break;
+ default:
+ p = GenerateRandomLegalFenString();
+ break;
+ }
+
+ if (FALSE == FenToPosition(&pos, p))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "FenToPosition", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ if (FALSE == IsBoardLegal(&pos))
+ {
+ continue;
+ }
+
+ if (TRUE == InCheck(&pos, pos.uToMove))
+ {
+ uLegalKingMoves = uTotalLegalMoves = 0;
+ InitializeSearcherContext(&pos, ctx);
+
+ mv.uMove = 0;
+ GenerateMoves(ctx, mv, GENERATE_ESCAPES);
+ for (v = ctx->sMoveStack.uBegin[0];
+ v < ctx->sMoveStack.uEnd[0];
+ v++)
+ {
+ mv = ctx->sMoveStack.mvf[v].mv;
+ ASSERT(mv.bvFlags & MOVE_FLAG_ESCAPING_CHECK);
+ if (TRUE == MakeMove(ctx, mv))
+ {
+ uTotalLegalMoves++;
+ if (IS_KING(mv.pMoved))
+ {
+ uLegalKingMoves++;
+ }
+ UnmakeMove(ctx, mv);
+ }
+ else
+ {
+ ctx->sMoveStack.mvf[v].mv.uMove = 0;
+ }
+ }
+
+ ASSERT(NUM_KING_MOVES(ctx, ctx->uPly) == uLegalKingMoves);
+ if (uTotalLegalMoves > 1)
+ {
+ ASSERT(!ONE_LEGAL_MOVE(ctx, ctx->uPly));
+ }
+ else if (uTotalLegalMoves == 1)
+ {
+ ASSERT(ONE_LEGAL_MOVE(ctx, ctx->uPly));
+ }
+ u++;
+ }
+ }
+ while(u < 1000);
+ SystemFreeMemory(ctx);
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testhash.c
+
+Abstract:
+
+ Test of the main hash table code.
+
+Author:
+
+
+Revision History:
+
+**/
+
+#ifdef TEST
+#include "chess.h"
+
+extern UCHAR g_cDirty;
+
+#define CONVERT_HASH_DEPTH_TO_SEARCH_DEPTH(x) \
+ ASSERT(((x) & 0xffffff00) == 0); \
+ (x) <<= 4
+
+FLAG
+SanityCheckHashEntry(HASH_ENTRY *p)
+/**
+
+Routine description:
+
+ Make sure a hash table entry looks valid.
+
+Parameters:
+
+ HASH_ENTRY *p
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG uDepth;
+
+ if (p->u64Sig == 0)
+ {
+ if ((p->mv.uMove != 0) ||
+ (p->uDepth != 0) ||
+ (p->bvFlags != 0) ||
+ (p->iValue != 0))
+ {
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ }
+ else
+ {
+ uDepth = p->uDepth;
+ CONVERT_HASH_DEPTH_TO_SEARCH_DEPTH(uDepth);
+ if (!IS_VALID_DEPTH(uDepth))
+ {
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+
+ switch(p->bvFlags & HASH_FLAG_VALID_BOUNDS)
+ {
+ case HASH_FLAG_LOWER:
+ case HASH_FLAG_UPPER:
+ break;
+
+ case HASH_FLAG_EXACT:
+ if (p->mv.uMove == 0)
+ {
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ break;
+
+ default:
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ }
+ return(TRUE);
+}
+
+
+void
+AnalyzeFullHashTable(void)
+/**
+
+Routine description:
+
+ Walk over the hash table and validate populated entries.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG uEntry;
+ ULONG uLine;
+ ULONG uNumEntries = g_uHashTableSizeBytes / sizeof(HASH_ENTRY);
+ HASH_ENTRY *p;
+ ULONG uEmpty = 0;
+ ULONG uStale = 0;
+ ULONG uUnique = 0;
+ ULONG uCount = 0;
+ ULONG u;
+ double d;
+ FLAG fUnique;
+
+ uLine = 0;
+ for (uEntry = 0;
+ uEntry < uNumEntries;
+ uEntry++)
+ {
+ if ((uEntry % NUM_HASH_ENTRIES_PER_LINE) == 0)
+ {
+ uLine++;
+ }
+
+ p = &(g_pHashTable[uEntry]);
+
+ //
+ // See if it's stale
+ //
+ if ((p->bvFlags & 0xF0) != g_cDirty)
+ {
+ uStale++;
+ }
+
+ //
+ // Sanity checks
+ //
+ if (FALSE == SanityCheckHashEntry(p))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "TestHash", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ //
+ // See if it's empty
+ //
+ if (p->u64Sig == 0)
+ {
+ uEmpty++;
+ }
+ else
+ {
+ uCount++;
+
+ //
+ // See if it's unique
+ //
+ if (uEntry % NUM_HASH_ENTRIES_PER_LINE)
+ {
+ fUnique = TRUE;
+ u = uEntry - 1;
+ do
+ {
+ if (p->u64Sig == g_pHashTable[u].u64Sig)
+ {
+ fUnique = FALSE;
+ break;
+ }
+ u--;
+ }
+ while(u % NUM_HASH_ENTRIES_PER_LINE);
+ }
+ else
+ {
+ fUnique = TRUE;
+ }
+ uUnique += fUnique;
+ }
+ }
+
+ //
+ // Show results
+ //
+ Trace("There are %u entries in the hash table.\n", uNumEntries);
+
+ d = (double)uStale / (double)uNumEntries * 100.0;
+ Trace("The hash table is %6.3f percent stale.\n", d);
+
+ d = (double)uEmpty / (double)uNumEntries * 100.0;
+ Trace("The hash table is %6.3f percent empty.\n", d);
+
+ d = (double)uUnique / (double)uCount * 100.0;
+ Trace("The hash table is %6.3f percent unique.\n", d);
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testics.c
+
+Abstract:
+
+ Test the ICS-style (d2d4) move parser.
+
+Author:
+
+
+Revision History:
+
+ $Id: testics.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+#ifdef TEST
+
+#include "chess.h"
+
+void TestIcs(void)
+/**
+
+Routine description:
+
+ Test the ICS-style (d2d4) move parser.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ typedef struct _TEST_ICS_MOVE
+ {
+ CHAR *szICS;
+ MOVE mv;
+ }
+ TEST_SAN_MOVE;
+ TEST_SAN_MOVE x[] =
+ {
+ { "e1c1" , { MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL) } },
+ { "o-o-o" , { MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL) } },
+ { "a2xc4" , { MAKE_MOVE(A2, C4, WHITE_BISHOP, BLACK_PAWN, 0, 0) } },
+ { "h2-h3" , { MAKE_MOVE(H2, H3, WHITE_PAWN, 0, 0, 0) } },
+ { "h2h4" , { MAKE_MOVE(H2, H4, WHITE_PAWN, 0, 0, MOVE_FLAG_SPECIAL) } },
+ { "h4h5" , { MAKE_MOVE(0, 0, 0, 0, 0, 0 ) } },
+ { "b2c4" , { MAKE_MOVE(B2, C4, WHITE_KNIGHT, BLACK_PAWN, 0, 0) } },
+ { "b6c4" , { MAKE_MOVE(B6, C4, WHITE_KNIGHT, BLACK_PAWN, 0, 0) } },
+ { "b6d7" , { MAKE_MOVE(B6, D7, WHITE_KNIGHT, BLACK_BISHOP, 0, 0) } },
+ { "h2xg3" , { MAKE_MOVE(H2, G3, WHITE_PAWN, BLACK_KNIGHT, 0, 0) } },
+ { "d2d7++", { MAKE_MOVE(D2, D7, WHITE_QUEEN, BLACK_BISHOP, 0, 0) } },
+ { "d2d7#" , { MAKE_MOVE(D2, D7, WHITE_QUEEN, BLACK_BISHOP, 0, 0) } },
+ { "f5f6" , { MAKE_MOVE(F5, F6, WHITE_PAWN, 0, 0, 0) } },
+ { "b7b8=Q", { MAKE_MOVE(B7, B8, WHITE_PAWN, 0, WHITE_QUEEN, MOVE_FLAG_SPECIAL) } },
+ { "b7b8Q" , { MAKE_MOVE(B7, B8, WHITE_PAWN, 0, WHITE_QUEEN, MOVE_FLAG_SPECIAL) } },
+ { "b7xa8N", { MAKE_MOVE(B7, A8, WHITE_PAWN, BLACK_ROOK, WHITE_KNIGHT, MOVE_FLAG_SPECIAL) } },
+ };
+ POSITION pos;
+ ULONG u;
+ MOVE mvICS;
+
+ Trace("Testing ICS parser code...\n");
+ for (u = 0;
+ u < ARRAY_LENGTH(x);
+ u++)
+ {
+ if (FALSE == FenToPosition(&pos,
+ "r2kr3/pP1b2nb/1N6/5P2/2p5/6n1/BN1QBP1P/R3K2R w KQ - 0 1"))
+ {
+ UtilPanic(INCONSISTENT_STATE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ mvICS = ParseMoveIcs(x[u].szICS, &pos);
+ if (mvICS.uMove != x[u].mv.uMove)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "ParseMoveICS", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ }
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testmove.c
+
+Abstract:
+
+Author:
+
+
+Revision History:
+
+ $Id: testmove.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+#ifdef TEST
+
+static COOR
+_TestPickRandomPieceLocation(POSITION *pos)
+/**
+
+Routine description:
+
+ Test code: supports TestLiftPlaceSlidePiece. Picks a random square
+ where there is a piece on board.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ static COOR
+
+**/
+{
+ ULONG u = RANDOM_COLOR;
+ ULONG v = rand() & 1;
+ ULONG w;
+ COOR c;
+
+ if ((TRUE == v) && (pos->uPawnCount[u]))
+ {
+ w = rand() % pos->uPawnCount[u];
+ c = pos->cPawns[u][w];
+ }
+ else
+ {
+ ASSERT(pos->uNonPawnCount[u][0]);
+ w = rand() % pos->uNonPawnCount[u][0];
+ c = pos->cNonPawns[u][w];
+ }
+ ASSERT(IS_ON_BOARD(c));
+ return(c);
+}
+
+
+void
+TestLiftPlaceSlidePiece(void)
+/**
+
+Routine description:
+
+ Test code. Tests LiftPiece, PlacePiece and SlidePiece.
+
+Parameters:
+
+ POSITION *pos
+
+Return value:
+
+ void
+
+**/
+{
+#define NUM_LOOPS 1000000
+ POSITION pos;
+ PIECE p[30];
+ ULONG u = 0;
+ UINT v = 0;
+ COOR cFrom, cTo;
+ UINT64 u64Start = SystemReadTimeStampCounter();
+ UINT64 u64End;
+
+ Trace("Testing Lift/Place/Slide Piece... ");
+ if (FALSE == FenToPosition(&pos,
+ "RNBKQBNR/PPPPPPPP/8/8/8/8/pppppppp/rnbkqbnr"
+ " w KQkq - 0 1"))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ memset(p, 0, sizeof(p));
+ do
+ {
+ switch(rand() % 3)
+ {
+ case 0: // slide piece
+ cFrom = _TestPickRandomPieceLocation(&pos);
+ do
+ {
+ cTo = RANDOM_COOR;
+ }
+ while(!IS_EMPTY(pos.rgSquare[cTo].pPiece));
+
+ //
+ // Make sure bishops slide to their color or else
+ // pos->uWhiteSqBishopCount gets messed up.
+ //
+ if (IS_BISHOP(pos.rgSquare[cFrom].pPiece))
+ {
+ while ((IS_WHITE_SQUARE_COOR(cTo) !=
+ IS_WHITE_SQUARE_COOR(cFrom)) ||
+ (!IS_EMPTY(pos.rgSquare[cTo].pPiece)))
+ {
+ cTo = RANDOM_COOR;
+ }
+ }
+
+ //
+ // Note: a speedup in move.c caused a divorce between
+ // SlidePiece and SlidePawn and caused the necessity
+ // of this test.
+ //
+ if (IS_PAWN(pos.rgSquare[cFrom].pPiece))
+ {
+ SlidePawn(&pos, cFrom, cTo);
+ }
+ else
+ {
+ SlidePiece(&pos, cFrom, cTo);
+ }
+ break;
+
+ case 1: // LiftPiece
+ if (u < 20)
+ {
+ do
+ {
+ cFrom = _TestPickRandomPieceLocation(&pos);
+ }
+ while(IS_KING(pos.rgSquare[cFrom].pPiece));
+ p[u] = LiftPiece(&pos, cFrom);
+ u++;
+ }
+ break;
+
+ case 2: // PlacePiece
+ if (u > 0)
+ {
+ u--;
+ do
+ {
+ cTo = RANDOM_COOR;
+ }
+ while(!IS_EMPTY(pos.rgSquare[cTo].pPiece));
+ PlacePiece(&pos, cTo, p[u]);
+ }
+ break;
+ }
+ v++;
+ }
+ while(v < NUM_LOOPS);
+ u64End = SystemReadTimeStampCounter();
+
+ printf("\n");
+ printf(" L/P/S bench: %" COMPILER_LONGLONG_UNSIGNED_FORMAT
+ " cycles/loop.\n",
+ (u64End - u64Start) / (UINT64)NUM_LOOPS);
+}
+
+
+void
+TestExposesCheck(void)
+/**
+
+Routine description:
+
+ Test code. Tests ExposesCheck.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ typedef struct _TEST_EXPOSES_CHECK
+ {
+ CHAR *szFen;
+ COOR cFrom;
+ COOR cTo;
+ COOR cRemove;
+ }
+ TEST_EXPOSES_CHECK;
+
+ ULONG u;
+ POSITION pos;
+ TEST_EXPOSES_CHECK x[] =
+ {
+ { "k2r4/8/8/3p4/8/8/3K4/8 w - - 0 1",
+ D8, D2, D5 },
+ { "k2q4/8/8/3p4/8/8/3K4/8 w - - 0 1",
+ D8, D2, D5 },
+ { "k5b1/8/8/3p4/8/1K6/8/8 w - - 0 1",
+ G8, B3, D5 },
+ { "k5q1/8/8/3p4/8/1K6/8/8 w - - 0 1",
+ G8, B3, D5 },
+ { "k7/8/8/1K1p2r1/8/8/8/8 w - - 0 1",
+ G5, B5, D5 },
+ { "k7/8/8/1K1p2q1/8/8/8/8 w - - 0 1",
+ G5, B5, D5 },
+ { "k7/8/2K5/3p4/8/8/6b1/8 w - - 0 1",
+ G2, C6, D5 },
+ { "k7/8/2K5/3p4/8/8/6q1/8 w - - 0 1",
+ G2, C6, D5 },
+ { "k7/3K4/8/3p4/8/8/3r4/8 w - - 0 1",
+ D2, D7, D5 },
+ { "k7/3K4/8/3p4/8/8/3q4/8 w - - 0 1",
+ D2, D7, D5 },
+ { "k7/5K2/8/3p4/2b5/8/8/8 w - - 0 1",
+ C4, F7, D5 },
+ { "k7/5K2/8/3p4/2q5/8/8/8 w - - 0 1",
+ C4, F7, D5 },
+ { "k7/8/8/1r1pK3/8/8/8/8 w - - 0 1",
+ B5, E5, D5 },
+ { "k7/8/8/1q1pK3/8/8/8/8 w - - 0 1",
+ B5, E5, D5 },
+ { "k7/8/2b5/3p4/8/5K2/8/8 w - - 0 1",
+ C6, F3, D5 },
+ { "k7/8/2q5/3p4/8/5K2/8/8 w - - 0 1",
+ C6, F3, D5 },
+ //
+ { "8/5k2/8/3N4/8/1B6/8/6K1 w - - 0 1",
+ B3, F7, D5 },
+ { "8/5k2/8/3N4/8/1Q6/8/6K1 w - - 0 1",
+ B3, F7, D5 },
+ { "3k4/8/8/3N4/8/8/8/3R2K1 w - - 0 1",
+ D1, D8, D5 },
+ { "8/3k4/8/3N4/8/8/8/3Q2K1 w - - 0 1",
+ D1, D7, D5 },
+ { "8/8/8/Q2Nk3/8/8/8/6K1 w - - 0 1",
+ A5, E5, D5 },
+ { "8/8/8/R2Nk3/8/8/8/6K1 w - - 0 1",
+ A5, E5, D5 },
+ { "8/1Q6/8/3N4/8/5k2/8/6K1 w - - 0 1",
+ B7, F3, D5 },
+ { "8/1B6/8/3N4/8/5k2/8/6K1 w - - 0 1",
+ B7, F3, D5 },
+ { "8/3R4/8/3N4/8/3k4/8/6K1 w - - 0 1",
+ D7, D3, D5 },
+ { "8/3Q4/8/3N4/8/3k4/8/6K1 w - - 0 1",
+ D7, D3, D5 },
+ { "6Q1/8/8/3N4/8/8/k7/6K1 w - - 0 1",
+ G8, A2, D5 },
+ { "6B1/8/8/3N4/8/8/k7/6K1 w - - 0 1",
+ G8, A2, D5 },
+ { "8/8/8/k2N1R2/8/8/8/6K1 w - - 0 1",
+ F5, A5, D5 },
+ { "8/8/8/k2N1Q2/8/8/8/6K1 w - - 0 1",
+ F5, A5, D5 },
+ { "8/1k6/8/3N4/8/5Q2/8/6K1 w - - 0 1",
+ F3, B7, D5 },
+ { "8/1k6/8/3N4/8/5B2/8/6K1 w - - 0 1",
+ F3, B7, D5 },
+ { "8/5k2/4p3/3N4/8/1Q6/8/6K1 w - - 0 1",
+ 0x88, F7, D5 },
+ { "8/5k2/4p3/3N4/8/1B6/8/6K1 w - - 0 1",
+ 0x88, F7, D5 },
+ { "8/8/8/1Q1Np1k1/8/8/8/6K1 w - - 0 1",
+ 0x88, G5, D5 },
+ { "8/8/8/1R1Np1k1/8/8/8/6K1 w - - 0 1",
+ 0x88, G5, D5 },
+ { "8/1B6/8/3N4/4p3/5k2/8/6K1 w - - 0 1",
+ 0x88, F3, D5 },
+ { "8/1Q6/8/3N4/4p3/5k2/8/6K1 w - - 0 1",
+ 0x88, F3, D5 },
+ { "8/3R4/8/3N4/3p4/3k4/8/6K1 w - - 0 1",
+ 0x88, D3, D5 },
+ { "8/3Q4/8/3N4/3p4/3k4/8/6K1 w - - 0 1",
+ 0x88, D3, D5 },
+ { "8/5B2/8/3N4/2p5/1k6/8/6K1 w - - 0 1",
+ 0x88, B3, D5 },
+ { "8/5Q2/8/3N4/2p5/1k6/8/6K1 w - - 0 1",
+ 0x88, B3, D5 },
+ { "8/8/8/1krN1R2/8/8/8/6K1 w - - 0 1",
+ 0x88, B5, D5 },
+ { "8/8/8/1krN1Q2/8/8/8/6K1 w - - 0 1",
+ 0x88, B5, D5 },
+ { "8/1k6/2r5/3N4/8/5Q2/8/6K1 w - - 0 1",
+ 0x88, B7, D5 },
+ };
+
+ Trace("Testing ExposesCheck...\n");
+ for (u = 0;
+ u < ARRAY_LENGTH(x);
+ u++)
+ {
+ if (FALSE == FenToPosition(&pos, x[u].szFen))
+ {
+ Bug("TestExposesCheck: FEN reader choked on a good FEN.\n");
+ ASSERT(FALSE);
+ }
+ if (x[u].cFrom != ExposesCheck(&pos, x[u].cRemove, x[u].cTo))
+ {
+ Bug("TestExposesCheck: ExposesCheck is broken on position %u!\n",
+ u);
+ ASSERT(FALSE);
+ }
+ }
+}
+
+
+void
+TestIsAttacked(void)
+/**
+
+Routine description:
+
+ Test code. Tests IsAttacked (and InCheck).
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ typedef struct _TEST_IS_ATTACKED
+ {
+ CHAR *szFen;
+ ULONG uSide;
+ COOR cSquare;
+ FLAG fAnswer;
+ }
+ TEST_IS_ATTACKED;
+
+ POSITION pos;
+ ULONG u;
+ TEST_IS_ATTACKED x[] =
+ {
+ { "7k/4n3/3P4/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3Pp3/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/2pP4/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/2n5/3P4/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/1n1P4/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P1n2/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "6bk/8/3P4/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "6qk/8/3P4/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "6bk/8/3PN3/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, FALSE },
+ { "6bk/8/3Pr3/3K4/8/8/8/8 w - - 0 1",
+ BLACK, D5, FALSE },
+ { "7k/8/3P4/3K3q/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P4/3K3r/8/8/8/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P4/3KQ2q/8/8/8/8 w - - 0 1",
+ BLACK, D5, FALSE },
+ { "7k/8/3P4/3K4/8/8/8/7b w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P4/3K4/8/8/8/7q w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P4/3K4/8/3r4/3q4/3r4 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P4/3K4/3P4/3r4/3q4/3r4 w - - 0 1",
+ BLACK, D5, FALSE },
+ { "7k/8/3P4/3K4/3p4/3r4/3q4/3r4 w - - 0 1",
+ BLACK, D5, FALSE },
+ { "7k/8/3P4/3K4/3p4/3rn3/3q4/3r4 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P4/3K4/2b5/1b6/b7/8 w - - 0 1",
+ BLACK, D5, TRUE },
+ { "7k/8/3P4/3K4/2r5/1b6/b7/8 w - - 0 1",
+ BLACK, D5, FALSE },
+ { "K7/8/8/3k4/3p1N2/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/8/8/3k4/3p4/4N3/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/8/8/3k4/3p4/2N5/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/8/8/3k4/1N1p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/8/8/3k4/2Pp4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/8/8/3k4/3pP3/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K5Q1/5B2/8/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K5Q1/5B2/4R3/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, FALSE },
+ { "K5Q1/8/8/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K2R4/8/8/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K2R4/3Q4/8/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K2R4/3Q4/3p4/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, FALSE },
+ { "K2R4/3Q4/3p1N2/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/1B6/8/3k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/8/8/Q2k4/3p4/8/8/8 w - - 0 1",
+ WHITE, D5, TRUE },
+ { "K7/8/8/3k4/3p4/8/B7/8 w - - 0 1",
+ WHITE, D5, TRUE }
+ };
+
+ Trace("Testing IsAttacked...\n");
+ for (u = 0;
+ u < ARRAY_SIZE(x);
+ u++)
+ {
+ if (FALSE == FenToPosition(&pos, x[u].szFen))
+ {
+ Bug("TestIsAttacked: FEN reader choked on a good FEN.\n");
+ ASSERT(FALSE);
+ }
+ if (x[u].fAnswer != IsAttacked(x[u].cSquare, &pos, x[u].uSide))
+ {
+ Bug("TestIsAttacked: ExposesCheck is broken on position %u!\n",
+ u);
+ ASSERT(FALSE);
+ }
+ }
+}
+
+
+void
+TestMakeUnmakeMove(void)
+{
+ typedef struct _TEST_MAKE_MOVE
+ {
+ CHAR *szFen;
+ MOVE mv[10];
+ FLAG ok[10];
+ }
+ TEST_MAKE_MOVE;
+
+ ULONG u = 0;
+ ULONG v = 0;
+ SEARCHER_THREAD_CONTEXT *ctx;
+ POSITION p;
+ POSITION *pos = NULL;
+ FLAG fOk;
+ TEST_MAKE_MOVE x[] =
+ {
+ {
+ "8/8/8/2k5/4p3/8/2KP4/8 w - - 0 1",
+ {
+ { MAKE_MOVE(D2, D4, WHITE_PAWN, 0, 0, MOVE_FLAG_SPECIAL) },
+ { MAKE_MOVE(E4, D3, BLACK_PAWN, WHITE_PAWN, 0, MOVE_FLAG_SPECIAL | MOVE_FLAG_CHECKING | MOVE_FLAG_ESCAPING_CHECK)},
+ { MAKE_MOVE(C2, D3, WHITE_KING, BLACK_PAWN, 0, MOVE_FLAG_ESCAPING_CHECK) },
+ { MAKE_MOVE(0, 0, 0, 0, 0, 0) }
+ },
+ { TRUE, TRUE, TRUE }
+ },
+ {
+ "5r1k/3KP3/8/8/8/8/8/8 w - - 0 1",
+ {
+ { MAKE_MOVE(E7, F8, WHITE_PAWN, BLACK_ROOK, WHITE_QUEEN, MOVE_FLAG_SPECIAL | MOVE_FLAG_CHECKING) },
+ { MAKE_MOVE(H8, G8, BLACK_KING, 0, 0, MOVE_FLAG_ESCAPING_CHECK) },
+ { MAKE_MOVE(H8, H7, BLACK_KING, 0, 0, MOVE_FLAG_ESCAPING_CHECK) },
+ { MAKE_MOVE(0, 0, 0, 0, 0, 0) }
+ },
+ { TRUE, FALSE, TRUE }
+ },
+ {
+ "8/8/4K3/8/k2p3R/8/4P3/8 w - - 0 1",
+ {
+ { MAKE_MOVE(E2, E4, WHITE_PAWN, 0, 0, MOVE_FLAG_SPECIAL) },
+ { MAKE_MOVE(D4, E3, BLACK_PAWN, WHITE_PAWN, 0, MOVE_FLAG_SPECIAL) },
+ { MAKE_MOVE(D4, D3, BLACK_PAWN, 0, 0, 0) },
+ { MAKE_MOVE(E4, E5, WHITE_PAWN, 0, 0, MOVE_FLAG_CHECKING) },
+ { MAKE_MOVE(D3, D2, BLACK_PAWN, 0, 0, MOVE_FLAG_ESCAPING_CHECK) },
+ { MAKE_MOVE(A4, B4, BLACK_KING, 0, 0, MOVE_FLAG_ESCAPING_CHECK) },
+ { MAKE_MOVE(A4, A3, BLACK_KING, 0, 0, MOVE_FLAG_ESCAPING_CHECK) },
+ { MAKE_MOVE(0, 0, 0, 0, 0, 0) }
+ },
+ { TRUE, FALSE, TRUE, TRUE, FALSE, FALSE, TRUE }
+ },
+ {
+ "3k4/8/6r1/8/8/8/8/R3K2R w KQ - 0 1",
+ {
+ { MAKE_MOVE(E1, G1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL) },
+ { MAKE_MOVE(H1, H2, WHITE_ROOK, 0, 0, 0) },
+ { MAKE_MOVE(G6, D6, BLACK_ROOK, 0, 0, 0) },
+ { MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL) },
+ { MAKE_MOVE(H2, H1, WHITE_ROOK, 0, 0, 0) },
+ { MAKE_MOVE(D6, A6, BLACK_ROOK, 0, 0, 0) },
+ { MAKE_MOVE(E1, G1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL) },
+ { MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL | MOVE_FLAG_CHECKING) },
+ { MAKE_MOVE(A6, D6, BLACK_ROOK, 0, 0, MOVE_FLAG_ESCAPING_CHECK) },
+ { MAKE_MOVE(0, 0, 0, 0, 0, 0) }
+ },
+ { FALSE, TRUE, TRUE, FALSE, TRUE, TRUE, FALSE, TRUE, TRUE }
+ }
+ };
+
+ //
+ // Setup
+ //
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ ASSERT(ctx);
+ pos = SystemAllocateMemory(sizeof(POSITION) * 10);
+ ASSERT(ctx);
+
+ for (u = 0; u < ARRAY_LENGTH(x); u++)
+ {
+ if (FALSE == FenToPosition(&p, x[u].szFen))
+ {
+ UtilPanic(INCONSISTENT_STATE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ InitializeSearcherContext(&p, ctx);
+
+ for (v = 0; v < ARRAY_LENGTH(x[u].mv); v++)
+ {
+ if (x[u].mv[v].uMove == 0) break;
+ memcpy(&(pos[v]), &(ctx->sPosition), sizeof(POSITION));
+
+ fOk = MakeUserMove(ctx, x[u].mv[v]);
+ if (fOk != x[u].ok[v])
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "MakeUserMove", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ if (fOk)
+ {
+ UnmakeMove(ctx, x[u].mv[v]);
+ if (FALSE == PositionsAreEquivalent(&(ctx->sPosition),
+ &(pos[v])))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "MakeMove / UnmakeMove", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ fOk = MakeUserMove(ctx, x[u].mv[v]);
+ ASSERT(fOk);
+ }
+ }
+ }
+ SystemFreeMemory(ctx);
+ SystemFreeMemory(pos);
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testsan.c
+
+Abstract:
+
+ Tests the SAN-style (Nbd5) move parser.
+
+Author:
+
+
+Revision History:
+
+ $Id: testsan.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#ifdef TEST
+#include "chess.h"
+
+void
+TestSan(void)
+/**
+
+Routine description:
+
+ Tests the SAN-style (Nbd5) move parser.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ typedef struct _TEST_SAN_MOVE
+ {
+ CHAR *szSAN;
+ MOVE mv;
+ }
+ TEST_SAN_MOVE;
+ TEST_SAN_MOVE x[] =
+ {
+ { "b8=Q", { MAKE_MOVE(B7, B8, WHITE_PAWN, 0, WHITE_QUEEN, MOVE_FLAG_SPECIAL) } },
+ { "b8Q", { MAKE_MOVE(B7, B8, WHITE_PAWN, 0, WHITE_QUEEN, MOVE_FLAG_SPECIAL) } },
+ { "o-o", { MAKE_MOVE(0,0,0,0,0,0) } },
+ { "0-0", { MAKE_MOVE(0,0,0,0,0,0) } },
+ { "o-o-o", { MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL) } },
+ { "0-0-0", { MAKE_MOVE(E1, C1, WHITE_KING, 0, 0, MOVE_FLAG_SPECIAL) } },
+ { "Bxc4", { MAKE_MOVE(A2, C4, WHITE_BISHOP, BLACK_PAWN, 0, 0) } },
+ { "Bec4", { MAKE_MOVE(0,0,0,0,0,0) } },
+ { "h3", { MAKE_MOVE(H2, H3, WHITE_PAWN, 0, 0, 0) } },
+ { "h4", { MAKE_MOVE(H2, H4, WHITE_PAWN, 0, 0, MOVE_FLAG_SPECIAL) } },
+ { "N2xc4", { MAKE_MOVE(B2, C4, WHITE_KNIGHT, BLACK_PAWN, 0, 0) } },
+ { "Nb6c4", { MAKE_MOVE(B6, C4, WHITE_KNIGHT, BLACK_PAWN, 0, 0) } },
+ { "Nxd7", { MAKE_MOVE(B6, D7, WHITE_KNIGHT, BLACK_BISHOP, 0, 0) } },
+ { "hxg3", { MAKE_MOVE(H2, G3, WHITE_PAWN, BLACK_KNIGHT, 0, 0) } },
+ { "Qxd7++",{ MAKE_MOVE(D2, D7, WHITE_QUEEN, BLACK_BISHOP, 0, 0) } },
+ { "Qxd7#" ,{ MAKE_MOVE(D2, D7, WHITE_QUEEN, BLACK_BISHOP, 0, 0) } },
+ { "f6", { MAKE_MOVE(F5, F6, WHITE_PAWN, 0, 0, 0) } },
+ { "bxa8=N",{ MAKE_MOVE(B7, A8, WHITE_PAWN, BLACK_ROOK, WHITE_KNIGHT, MOVE_FLAG_SPECIAL) } },
+ };
+ POSITION pos;
+ ULONG u;
+ MOVE mvSAN;
+
+ Trace("Testing SAN parser code...\n");
+ for (u = 0;
+ u < ARRAY_LENGTH(x);
+ u++)
+ {
+ if (FALSE == FenToPosition(&pos,
+ "r2kr3/pP1b2nb/1N6/5P2/2p5/6n1/BN1QBP1P/R3K2R w KQ - 0 1"))
+ {
+ UtilPanic(INCONSISTENT_STATE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ mvSAN = ParseMoveSan(x[u].szSAN, &pos);
+ if (mvSAN.uMove != x[u].mv.uMove)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "ParseMoveSan", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ }
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testsearch.c
+
+Abstract:
+
+ This is a test module to sanity check the search code. It
+ operates by generating a random legal chess position and
+ performing a two-ply search on the position. It is expected that
+ the search will terminate and return a legal move.
+
+Author:
+
+
+Revision History:
+
+**/
+
+#include "chess.h"
+
+#ifdef TEST
+#define TIME_LIMIT 200.0
+
+void
+SetMoveTimerForTestingSearch(void)
+{
+ g_MoveTimer.uNodeCheckMask = 0x10000 - 1;
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.bvFlags = 0;
+ g_MoveTimer.dSoftTimeLimit = g_MoveTimer.dStartTime + TIME_LIMIT;
+ g_MoveTimer.dHardTimeLimit = g_MoveTimer.dStartTime + TIME_LIMIT;
+}
+
+FLAG
+TestSearch(void)
+{
+ SEARCHER_THREAD_CONTEXT *ctx;
+ POSITION pos;
+ ULONG u;
+ FLAG fOver;
+ FLAG fPost = g_Options.fShouldPost;
+ FLAG fRet = FALSE;
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ ASSERT(ctx);
+ g_Options.fShouldPost = FALSE;
+ Trace("Testing Search routine...\n");
+ for (u = 0; u < 20; u++)
+ {
+ GenerateRandomLegalPosition(&pos);
+ InitializeSearcherContext(&pos, ctx);
+
+ g_MoveTimer.bvFlags = 0;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ g_Options.fSuccessfulPonder = FALSE;
+
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ //
+ // TODO: Any preEval?
+ //
+
+ //
+ // Set a very long time limit on the search
+ //
+ SetMoveTimerForTestingSearch();
+ g_Options.uMaxDepth = 2;
+
+ //
+ // TODO: Set draw value
+ //
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ fOver = Iterate(ctx);
+
+ //
+ // How long did that take?
+ //
+ if (SystemTimeStamp() - g_MoveTimer.dStartTime > TIME_LIMIT)
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "TestSearch", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+
+ //
+ // Did we get a sane move?
+ //
+ if (GAME_NOT_OVER == fOver)
+ {
+ if (FALSE == SanityCheckMove(&pos, ctx->mvRootMove))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ NULL, "TestSearch", NULL, NULL,
+ __FILE__, __LINE__);
+ }
+ }
+#ifdef DEBUG
+ else if (GAME_WHITE_WON == fOver)
+ {
+ ASSERT(InCheck(&pos, BLACK));
+ }
+ else if (GAME_BLACK_WON == fOver)
+ {
+ ASSERT(InCheck(&pos, WHITE));
+ }
+#endif
+ }
+ fRet = TRUE;
+
+ g_Options.fShouldPost = fPost;
+ SystemFreeMemory(ctx);
+ return(fRet);
+}
+#endif
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testsee.c
+
+Abstract:
+
+ This code is meant to sanity check the SEE routine. It works by
+ using the generator and MakeMove/UnmakeMove to play out a sequence
+ of moves on a single square. It's somewhat useful code but right
+ now I don't really use it because it is too good: it detects
+ things like pieces that are pinned against the king whereas the
+ SEE itself does not. Still, I'd want to run it and verify the
+ discrepencies if I was doing much work in the SEE code.
+
+Author:
+
+
+Revision History:
+
+**/
+
+#include "chess.h"
+
+#ifdef TEST_BROKEN
+ULONG g_uRootOnMove;
+
+SCORE
+DebugSEERecursive(SEARCHER_THREAD_CONTEXT *ctx,
+ MOVE mv)
+{
+ SCORE i, iMinMax;
+ ULONG x;
+ MOVE mvReply;
+ ULONG uToMove = ctx->sPosition.uToMove;
+
+ //
+ // Make the move, this is not optional
+ //
+ ASSERT(GET_COLOR(mv.pMoved) == uToMove);
+ if (FALSE == MakeMove(ctx, mv))
+ {
+ return(INVALID_SCORE);
+ }
+
+ //
+ // Initialize MinMax to the stand pat score here so that the reply
+ // can be "something else".
+ //
+ iMinMax = ((ctx->sPosition.uPawnMaterial[g_uRootOnMove] +
+ ctx->sPosition.uNonPawnMaterial[g_uRootOnMove]) -
+ (ctx->sPosition.uPawnMaterial[FLIP(g_uRootOnMove)] +
+ ctx->sPosition.uNonPawnMaterial[FLIP(g_uRootOnMove)]));
+
+ //
+ // Generate the reply moves.
+ //
+ GenerateMoves(ctx, (MOVE){0}, GENERATE_DONT_SCORE);
+ for (x = ctx->sMoveStack.uBegin[ctx->uPly];
+ x < ctx->sMoveStack.uEnd[ctx->uPly];
+ x++)
+ {
+ //
+ // Only consider replies that end up on the same sq as the
+ // move.
+ //
+ mvReply = ctx->sMoveStack.mvf[x].mv;
+ ASSERT(SanityCheckMove(&ctx->sPosition, mvReply));
+ if (mvReply.cTo != mv.cTo)
+ {
+ continue;
+ }
+
+ i = DebugSEERecursive(ctx, mvReply);
+ if (INVALID_SCORE != i)
+ {
+ if ((ctx->uPly % 2) == 0)
+ {
+ if (i > iMinMax) iMinMax = i;
+ }
+ else
+ {
+ if (i < iMinMax) iMinMax = i;
+ }
+ }
+ }
+
+ //
+ // Unmake the original move
+ //
+ UnmakeMove(ctx, mv);
+ return(iMinMax);
+}
+
+
+SCORE
+DebugSEE(POSITION *pos,
+ MOVE mv)
+{
+ SCORE iRootBalance = ((pos->uPawnMaterial[pos->uToMove] +
+ pos->uNonPawnMaterial[pos->uToMove]) -
+ (pos->uPawnMaterial[FLIP(pos->uToMove)] +
+ pos->uNonPawnMaterial[FLIP(pos->uToMove)]));
+ SCORE iAfterExchange = iRootBalance;
+ SEARCHER_THREAD_CONTEXT *ctx =
+ malloc(sizeof(SEARCHER_THREAD_CONTEXT));
+
+ g_uRootOnMove = pos->uToMove;
+ if (NULL != ctx)
+ {
+ pos->uDangerCount[BLACK] = pos->uDangerCount[WHITE] = 0;
+ InitializeSearcherContext(pos, ctx);
+
+ GenerateMoves(ctx, (MOVE){0}, GENERATE_DONT_SCORE);
+ mv.bvFlags |= WouldGiveCheck(ctx, mv);
+ if (InCheck(pos, pos->uToMove))
+ {
+ mv.bvFlags |= MOVE_FLAG_ESCAPING_CHECK;
+ }
+
+ iAfterExchange = DebugSEERecursive(ctx, mv);
+ if (iAfterExchange != INVALID_SCORE)
+ {
+ iAfterExchange -= iRootBalance;
+ }
+ free(ctx);
+ }
+ return(iAfterExchange);
+}
+#endif
+
+#ifdef TEST
+FLAG
+SeeListsAreEqual(SEE_LIST *pA, SEE_LIST *pB)
+{
+ ULONG u;
+ if (pA->uCount != pB->uCount) return FALSE;
+ for (u = 0; u < pA->uCount; u++)
+ {
+ if ((pA->data[u].pPiece != pB->data[u].pPiece) ||
+ (pA->data[u].cLoc != pB->data[u].cLoc) ||
+ (pA->data[u].uVal != pB->data[u].uVal))
+ {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+void
+TestGetAttacks(void)
+{
+ POSITION pos;
+ ULONG u;
+ COOR c;
+ SEE_LIST rgSlowList;
+ SEE_LIST rgAsmList;
+ ULONG color;
+
+#ifndef _X86_
+ return;
+#endif
+
+ Trace("Testing GetAttacks...\n");
+ for (u = 0; u < 20000; u++)
+ {
+ GenerateRandomLegalPosition(&pos);
+ FOREACH_SQUARE(c)
+ {
+ if (!IS_ON_BOARD(c)) continue;
+ for (color = BLACK; color <= WHITE; color++)
+ {
+ SlowGetAttacks(&rgSlowList,
+ &pos,
+ c,
+ color);
+ GetAttacks(&rgAsmList,
+ &pos,
+ c,
+ color);
+ if (!SeeListsAreEqual(&rgSlowList, &rgAsmList))
+ {
+ UtilPanic(TESTCASE_FAILURE,
+ &pos,
+ "SEE_LIST mismatch", &rgSlowList, &rgAsmList,
+ __FILE__, __LINE__);
+ }
+ }
+ }
+ }
+}
+#endif // TEST
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ testgenerate.c
+
+Abstract:
+
+ Test the move generator.
+
+Author:
+
+
+Revision History:
+
+ $Id: testsup.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+FLAG
+IsBoardLegal(POSITION *pos)
+{
+ COOR c;
+
+ for (c = A1; c <= H1; c++)
+ {
+ if (!IS_EMPTY(pos->rgSquare[c].pPiece))
+ {
+ if (IS_PAWN(pos->rgSquare[c].pPiece))
+ {
+ return(FALSE);
+ }
+ }
+ }
+
+ for (c = A8; c <= H8; c++)
+ {
+ if (!IS_EMPTY(pos->rgSquare[c].pPiece))
+ {
+ if (IS_PAWN(pos->rgSquare[c].pPiece))
+ {
+ return(FALSE);
+ }
+ }
+ }
+
+ if (InCheck(pos, WHITE) &&
+ InCheck(pos, BLACK))
+ {
+ return(FALSE);
+ }
+
+ if (InCheck(pos, FLIP(pos->uToMove)))
+ {
+ return(FALSE);
+ }
+ return(TRUE);
+}
+
+
+void
+GenerateRandomLegalPosition(POSITION *pos)
+{
+ COOR c, c1;
+ ULONG x, uIndex;
+ ULONG uColor;
+ PIECE p;
+ ULONG u;
+
+ do
+ {
+ //
+ // Clear the board
+ //
+ memset(pos, 0, sizeof(POSITION));
+ for (u = 0; u < ARRAY_SIZE(pos->cPawns[WHITE]); u++)
+ {
+ pos->cPawns[WHITE][u] = pos->cPawns[BLACK][u] = ILLEGAL_COOR;
+ }
+
+ for (u = 0; u < ARRAY_SIZE(pos->cNonPawns[WHITE]); u++)
+ {
+ pos->cNonPawns[WHITE][u] = pos->cNonPawns[BLACK][u] = ILLEGAL_COOR;
+ }
+
+ //
+ // Place both kings legally
+ //
+ c = RANDOM_COOR;
+ ASSERT(IS_ON_BOARD(c));
+ pos->rgSquare[c].pPiece = WHITE_KING;
+ ASSERT(pos->cNonPawns[WHITE][0] == ILLEGAL_COOR);
+ pos->cNonPawns[WHITE][0] = c;
+ pos->uNonPawnCount[WHITE][KING] = 1;
+ pos->uNonPawnCount[WHITE][0] = 1;
+ pos->uNonPawnMaterial[WHITE] = VALUE_KING;
+
+ do
+ {
+ c1 = RANDOM_COOR;
+ }
+ while(DISTANCE(c, c1) < 2);
+ ASSERT(IS_ON_BOARD(c1));
+ pos->rgSquare[c1].pPiece = BLACK_KING;
+ ASSERT(pos->cNonPawns[BLACK][0] == ILLEGAL_COOR);
+ pos->cNonPawns[BLACK][0] = c1;
+ pos->uNonPawnCount[BLACK][KING] = 1;
+ pos->uNonPawnCount[BLACK][0] = 1;
+ pos->uNonPawnMaterial[BLACK] = VALUE_KING;
+
+ //
+ // Place the rest of the armies
+ //
+ FOREACH_COLOR(uColor)
+ {
+ ASSERT(IS_VALID_COLOR(uColor));
+
+ for (x = 0;
+ x < (ULONG)(rand() % 15 + 1);
+ x++)
+ {
+ //
+ // Pick a random empty square
+ //
+ do
+ {
+ c = RANDOM_COOR;
+ }
+ while((pos->rgSquare[c].pPiece) || (RANK1(c) || RANK8(c)));
+
+ do
+ {
+ p = RANDOM_PIECE;
+ if (WHITE == uColor)
+ {
+ p |= WHITE;
+ }
+ else
+ {
+ p &= ~WHITE;
+ }
+ ASSERT(GET_COLOR(p) == uColor);
+
+ if (IS_PAWN(p) &&
+ (pos->uPawnCount[uColor] < 8) &&
+ (!RANK1(c)) &&
+ (!RANK8(c)))
+ {
+ //
+ // The pawn list is not ordered at all, add
+ // the new pawn's location to the list and
+ // point from the pawn to the list.
+ //
+ pos->cPawns[uColor][pos->uPawnCount[uColor]] = c;
+ pos->rgSquare[c].uIndex = pos->uPawnCount[uColor];
+ pos->rgSquare[c].pPiece = p;
+ pos->uPawnCount[uColor]++;
+ pos->uPawnMaterial[uColor] += VALUE_PAWN;
+ break;
+ }
+ else if (!IS_KING(p) &&
+ (IS_VALID_PIECE(p)))
+ {
+ uIndex = pos->uNonPawnCount[uColor][0];
+ pos->cNonPawns[uColor][uIndex] = c;
+ pos->uNonPawnCount[uColor][0]++;
+ pos->uNonPawnCount[uColor][PIECE_TYPE(p)]++;
+ pos->rgSquare[c].pPiece = p;
+ pos->rgSquare[c].uIndex = uIndex;
+ pos->uNonPawnMaterial[uColor] += PIECE_VALUE(p);
+ if (IS_BISHOP(p))
+ {
+ if (IS_WHITE_SQUARE_COOR(c))
+ {
+ pos->uWhiteSqBishopCount[uColor]++;
+ }
+ }
+ break;
+ }
+ }
+ while(1);
+
+ } // next piece
+
+ } // next color
+ ASSERT(pos->uNonPawnCount[WHITE][KING] == 1);
+ ASSERT(pos->uNonPawnCount[BLACK][KING] == 1);
+ //pos->uNonPawnCount[WHITE][0]--;
+ //pos->uNonPawnCount[BLACK][0]--;
+
+ //
+ // Do the rest of the position
+ //
+ pos->iMaterialBalance[WHITE] =
+ ((SCORE)(pos->uNonPawnMaterial[WHITE] +
+ pos->uPawnMaterial[WHITE]) -
+ (SCORE)(pos->uNonPawnMaterial[BLACK] +
+ pos->uPawnMaterial[BLACK]));
+ pos->iMaterialBalance[BLACK] = -pos->iMaterialBalance[WHITE];
+ pos->uToMove = RANDOM_COLOR;
+ pos->uFifty = rand() % 100;
+ if (pos->rgSquare[E1].pPiece == WHITE_KING)
+ {
+ if (pos->rgSquare[A1].pPiece == WHITE_ROOK)
+ {
+ pos->bvCastleInfo |= CASTLE_WHITE_SHORT;
+ }
+ if (pos->rgSquare[H1].pPiece == WHITE_ROOK)
+ {
+ pos->bvCastleInfo |= CASTLE_WHITE_LONG;
+ }
+ }
+ if (pos->rgSquare[E8].pPiece == BLACK_KING)
+ {
+ if (pos->rgSquare[A8].pPiece == BLACK_ROOK)
+ {
+ pos->bvCastleInfo |= CASTLE_BLACK_SHORT;
+ }
+ if (pos->rgSquare[H8].pPiece == BLACK_ROOK)
+ {
+ pos->bvCastleInfo |= CASTLE_BLACK_LONG;
+ }
+ }
+ pos->u64NonPawnSig = ComputeSig(pos);
+ pos->u64PawnSig = ComputePawnSig(pos);
+
+ //
+ // See if it's legal
+ //
+ if (VerifyPositionConsistency(pos, TRUE) &&
+ !InCheck(pos, FLIP(pos->uToMove)))
+ {
+ break;
+ }
+ }
+ while(1);
+}
+
+
+#define SYM_SQ(c) ((7 - (((c) & 0xF0) >> 4)) << 4) \
+ | (7 - ((c) & 0x0F))
+void
+GenerateRandomLegalSymetricPosition(POSITION *pos)
+{
+ CHAR szFen[256];
+ CHAR *p;
+ ULONG uPieceCount[7];
+ COOR c, xc;
+ PIECE pPiece = KING;
+ PIECE pBoard[128];
+ ULONG x, y;
+
+ do
+ {
+ memset(pBoard, 0, sizeof(pBoard));
+ memset(uPieceCount, 0, sizeof(uPieceCount));
+
+ y = (ULONG)((rand() % 15) + 1);
+ for (x = 0;
+ x < y;
+ x++)
+ {
+ //
+ // Pick a piece type
+ //
+ do
+ {
+ pPiece = (rand() % 5) + 1;
+ switch(pPiece)
+ {
+ case PAWN:
+ if (uPieceCount[PAWN] < 8)
+ {
+ uPieceCount[PAWN]++;
+ }
+ else
+ {
+ pPiece = 0;
+ }
+ break;
+ case KNIGHT:
+ case BISHOP:
+ case ROOK:
+ case QUEEN:
+ if (uPieceCount[pPiece] < 2)
+ {
+ uPieceCount[pPiece]++;
+ }
+ else
+ {
+ if (uPieceCount[PAWN] < 8)
+ {
+ uPieceCount[PAWN]++;
+ pPiece = PAWN;
+ }
+ }
+ break;
+ default:
+ pPiece = 0;
+ break;
+ }
+ }
+ while(pPiece == 0);
+
+ //
+ // Pick a location
+ //
+ do
+ {
+ c = RANDOM_COOR;
+ }
+ while (!IS_ON_BOARD(c) ||
+ (pBoard[c] != 0) ||
+ ((pPiece == PAWN) && ((RANK(c) == 1) || (RANK(c) == 8))));
+ xc = SYM_SQ(c);
+ ASSERT(IS_ON_BOARD(xc));
+ ASSERT(IS_EMPTY(pBoard[xc]));
+
+ pBoard[c] = (pPiece << 1) | WHITE;
+ pBoard[xc] = (pPiece << 1) | BLACK;
+ pPiece = 0;
+ }
+
+ do
+ {
+ c = RANDOM_COOR;
+ }
+ while (!IS_ON_BOARD(c) ||
+ (pBoard[c] != 0));
+ xc = SYM_SQ(c);
+ ASSERT(IS_ON_BOARD(xc));
+ ASSERT(IS_EMPTY(pBoard[xc]));
+ pBoard[c] = WHITE_KING;
+ pBoard[xc] = BLACK_KING;
+
+ memset(szFen, 0, sizeof(szFen));
+ p = szFen;
+ for (x = 0; x < 120; x++)
+ {
+ if ((x % 15 == 0) &&
+ (x != 120) &&
+ (x != 0)) *p++ = '/';
+
+ if (!IS_ON_BOARD(x)) continue;
+ if (0 == pBoard[x]) *p++ = '1';
+ else *p++ = *(PieceAbbrev(pBoard[x]) + 1);
+ }
+ strcat(p, " w - - 0 0");
+ FenToPosition(pos, szFen);
+ }
+ while(!IsBoardLegal(pos));
+}
--- /dev/null
+st 20\r
+easy\r
+setboard 2q1r1k1/1ppb4/r2p1Pp1/p4n1p/2P1n3/5NPP/PP3Q1K/2BRRB2 w - -\r
+solution f7+\r
+id "ECM.001"\r
+go\r
+setboard 7r/1p2k3/2bpp3/p3np2/P1PR4/2N2PP1/1P4K1/3B4 b - -\r
+solution Bxf3+\r
+id "ECM.002"\r
+go\r
+setboard 4k3/p1P3p1/2q1np1p/3N4/8/1Q3PP1/6KP/8 w - -\r
+solution Qb5\r
+id "ECM.003"\r
+go\r
+setboard 2r1b1k1/R4pp1/4pb1p/1pBr4/1Pq2P2/3N4/2PQ2PP/5RK1 b - -\r
+solution Rcxc5\r
+id "ECM.004"\r
+go\r
+setboard 6k1/p1qb1p1p/1p3np1/2b2p2/2B5/2P3N1/PP2QPPP/4N1K1 b - -\r
+solution Bxf2+\r
+id "ECM.005"\r
+go\r
+setboard 3q4/pp3pkp/5npN/2bpr1B1/4r3/2P2Q2/PP3PPP/R4RK1 w - -\r
+solution Bxf6+\r
+id "ECM.006"\r
+go\r
+setboard 3rr1k1/pb3pp1/1p1q1b1p/1P2NQ2/3P4/P1NB4/3K1P1P/2R3R1 w - -\r
+solution Rxg7+\r
+id "ECM.007"\r
+go\r
+setboard r1b1r1k1/p1p3pp/2p2n2/2bp4/5P2/3BBQPq/PPPK3P/R4N1R b - -\r
+solution Bg4\r
+id "ECM.008"\r
+go\r
+setboard 3r4/1b2k3/1pq1pp2/p3n1pr/2P5/5PPN/PP1N1QP1/R2R2K1 b - -\r
+solution Rxh3\r
+id "ECM.009"\r
+go\r
+setboard 2r4k/pB4bp/6p1/6q1/1P1n4/2N5/P4PPP/2R1Q1K1 b - -\r
+solution Qxc1\r
+id "ECM.010"\r
+go\r
+setboard 1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - -\r
+solution Nxg4\r
+id "ECM.011"\r
+go\r
+setboard 5rk1/7p/p1N5/3pNp2/2bPnqpQ/P7/1P3PPP/4R1K1 w - -\r
+solution Ne7+\r
+id "ECM.012"\r
+go\r
+setboard rnb2rk1/pp2np1p/2p2q1b/8/2BPPN2/2P2Q2/PP4PP/R1B2RK1 w - -\r
+solution Nd5\r
+id "ECM.013"\r
+go\r
+setboard 2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - -\r
+solution Nd5\r
+id "ECM.014"\r
+go\r
+setboard r3kb1r/pp2pppp/3q4/3Pn3/6b1/2N1BN2/PP3PPP/R2QKB1R w KQkq -\r
+solution Nxe5\r
+id "ECM.015"\r
+go\r
+setboard 2rr2k1/1b3p1p/p4qpb/2R1n3/3p4/BP2P3/P3QPPP/3R1BKN b - -\r
+solution Rxc5\r
+id "ECM.016"\r
+go\r
+setboard r1b1k3/5p1p/p1p5/3np3/1b2N3/4B3/PPP1BPrP/2KR3R w q -\r
+solution Rxd5\r
+id "ECM.017"\r
+go\r
+setboard r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R2K1 w - -\r
+solution Nxd6\r
+id "ECM.018"\r
+go\r
+setboard b7/2q2kp1/p3pbr1/1pPpP2Q/1P1N3P/6P1/P7/5RK1 w - -\r
+solution Rxf6+\r
+id "ECM.019"\r
+go\r
+setboard 1rr1nbk1/5ppp/3p4/1q1PpN2/np2P3/5Q1P/P1BB1PP1/2R1R1K1 w - -\r
+solution Bxa4\r
+id "ECM.020"\r
+go\r
+setboard r7/5kp1/2p1p2p/1p1n3P/2rP4/2P3R1/PK2RPP1/2B5 b - -\r
+solution Rxc3\r
+id "ECM.021"\r
+go\r
+setboard r1r3k1/p3qpp1/b1P4p/3p4/3Nn3/4P3/P1Q2PPP/1BR1K2R b K -\r
+solution Qb4+\r
+id "ECM.022"\r
+go\r
+setboard rn3rk1/4bppp/1q2p3/p2pP3/8/1PN2B1P/P4PP1/2RQ1RK1 w - -\r
+solution Bxd5\r
+id "ECM.023"\r
+go\r
+setboard 6rk/1p1br2p/pqp5/3pNP2/3Pp3/P5PR/5PKR/Q7 w - -\r
+solution Rxh7+\r
+id "ECM.024"\r
+go\r
+setboard 2b3k1/5p1p/7b/p2B3p/3P4/P2Q1N1P/1q3PP1/6K1 w - -\r
+solution Bxf7+\r
+id "ECM.025"\r
+go\r
+setboard r1b5/4k3/p7/3p1n2/3Bp3/2P2r1P/PPBK1P2/4R2R w - -\r
+solution Bc5+\r
+id "ECM.026"\r
+go\r
+setboard r4rk1/1b3Npp/p7/1p3Q2/3P4/1B2q3/P5PP/3n1R1K b - -\r
+solution Bxg2+\r
+id "ECM.027"\r
+go\r
+setboard r1b2rk1/2q2ppp/2pbp3/p7/4Nn2/3B4/PPPBQ1PP/R4R1K w - -\r
+solution Rxf4\r
+id "ECM.028"\r
+go\r
+setboard 3r2k1/1q1P1ppp/r2R2n1/p4Q2/1ppB2R1/6P1/PP3PP1/6K1 w - -\r
+solution Rgxg6\r
+id "ECM.029"\r
+go\r
+setboard r2q1rk1/p3b1pp/2p5/1pn5/1n1Bp1b1/1P6/PQ1PPP2/2RNKBNR b K -\r
+solution Bxe2\r
+id "ECM.030"\r
+go\r
+setboard 3r2k1/p2r1p1p/1p2p1p1/q4n2/3P4/PQ1R3P/1P2NPP1/3R2K1 b - -\r
+solution Nxd4\r
+id "ECM.031"\r
+go\r
+setboard 2bnr1k1/2q2ppp/p7/2p1b3/2N1B3/R7/1P2QPPP/2B3K1 w - -\r
+solution Nxe5\r
+id "ECM.032"\r
+go\r
+setboard r1b2r1k/3nN2p/p2Q1p2/8/4PP2/1R6/q1PK2PP/4R3 w - -\r
+solution Qd5\r
+id "ECM.033"\r
+go\r
+setboard 1nk1r1r1/pp2n1pp/4p3/q2pPp1N/b1pP1P2/B1P2R2/2P1B1PP/R2Q2K1 w - -\r
+solution Nf6\r
+id "ECM.034"\r
+go\r
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -\r
+solution Rxc8\r
+id "ECM.035"\r
+go\r
+setboard br1r2k1/1q4p1/p2ppb1p/2p2p2/2P1n3/Pn2P2P/QPR2PPB/2NRNBK1 b - -\r
+solution Nxc1\r
+id "ECM.036"\r
+go\r
+setboard 2k4r/ppp1n1p1/2n2qb1/2N5/Q1P3p1/P2r3P/1P3PB1/R1B2RK1 w - -\r
+solution Qb5\r
+id "ECM.037"\r
+go\r
+setboard 8/6bk/1B1R4/6p1/2bNP3/4KP2/1r6/8 b - -\r
+solution Be5\r
+id "ECM.038"\r
+go\r
+setboard r1b1rnk1/1p3pb1/1qpp2p1/2n5/2PNP2p/1PN3PP/3R1PBK/BR1Q4 b - -\r
+solution Rxa1\r
+id "ECM.039"\r
+go\r
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -\r
+solution Nxc6\r
+id "ECM.040"\r
+go\r
+setboard 5rk1/1b3ppp/p3p3/1p1q2N1/4n3/6P1/PP2PPBP/2Q2RK1 b - -\r
+solution Nxg3\r
+id "ECM.041"\r
+go\r
+setboard 2kr3r/pppq2p1/1bn1R3/6N1/1P6/1QN1B1p1/P4PP1/R5K1 b - -\r
+solution gxf2+\r
+id "ECM.042"\r
+go\r
+setboard 2rr4/5pk1/p1q3p1/3bpP1p/1p4nR/1N4Q1/PPP3PP/3NR2K b - -\r
+solution Bxg2+\r
+id "ECM.043"\r
+go\r
+setboard r4rk1/pp4pp/2nqb3/3p4/8/2NB4/PP1Q1PPP/4RRK1 w - -\r
+solution Bxh7+\r
+id "ECM.044"\r
+go\r
+setboard 3rk1r1/3b1p1p/p2BpQ2/8/2q5/2P5/PP3PPP/3R2K1 b - -\r
+solution Rxg2+\r
+id "ECM.045"\r
+go\r
+setboard 3r1rk1/4pp1p/p1Q1b1p1/3N4/3b4/5B2/Pq3PPP/R4RK1 b - -\r
+solution Bxd5\r
+id "ECM.046"\r
+go\r
+setboard 5bk1/1bqn1r1p/p3Q1p1/4p3/1PN1Pp2/P1N4P/5PP1/R1BR2K1 w - -\r
+solution Qxf7+\r
+id "ECM.047"\r
+go\r
+setboard 3rkb1r/1p3p2/p1n1p3/q5pp/2PpP3/1P4P1/P1Q1BPKP/R2N3R b k -\r
+solution d3\r
+id "ECM.048"\r
+go\r
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -\r
+solution Qxf7+\r
+id "ECM.049"\r
+go\r
+setboard 2kr1b1R/1b3pp1/p2pp3/1pq3P1/2nQPP2/P1N5/1PP1BB2/1K6 w - -\r
+solution Rxf8\r
+id "ECM.050"\r
+go\r
+setboard 1k1r1b1r/p1p1q3/2p1p3/4Ppp1/4nP2/P2BQ3/1PP3PB/2KR3R b - -\r
+solution Rxh2\r
+id "ECM.051"\r
+go\r
+setboard r3nb1Q/p1q2kr1/2p3p1/2ppnpP1/1P3N2/4P3/PB1P4/1R2KB1R w K -\r
+solution Qxf8+\r
+id "ECM.052"\r
+go\r
+setboard r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - -\r
+solution Nfxe4\r
+id "ECM.053"\r
+go\r
+setboard 1rb1qn2/1p2nrbk/p2p2p1/P2Pp1Pp/NP2P2P/2RNB3/2QKB3/1R6 w - -\r
+solution Ba7\r
+id "ECM.054"\r
+go\r
+setboard 5r2/1b2k2p/3bp3/5PP1/Bn1Q3P/1N6/1Pr5/1K3R2 b - -\r
+solution Rxb2+\r
+id "ECM.055"\r
+go\r
+setboard r1b1r1k1/pp4bp/5np1/2qPB3/8/6NP/PPP1Q1B1/R4R1K w - -\r
+solution Rxf6\r
+id "ECM.056"\r
+go\r
+setboard r1b2r1k/1pq3bp/8/3Qp2n/1P1n1pp1/2NP2P1/3BPPBP/1R2NRK1 b - -\r
+solution Qxc3\r
+id "ECM.057"\r
+go\r
+setboard 4qk2/pp3pp1/1nbr3p/2p5/5N2/2P1Q3/PPB2PPP/2K1R3 w - -\r
+solution Ng6+\r
+id "ECM.058"\r
+go\r
+setboard 3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - -\r
+solution Rd5\r
+id "ECM.059"\r
+go\r
+setboard r4rk1/pp1b2pp/3bpq2/3p1p2/2PPn3/PP1B4/1BQN1PPP/R4RK1 b - -\r
+solution Bxh2+\r
+id "ECM.060"\r
+go\r
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.061"\r
+go\r
+setboard 2rq1r2/pp3pnk/2n1b1pp/3pQ3/3P1N2/P1N5/1P3PPP/1BR2RK1 w - -\r
+solution Bxg6+\r
+id "ECM.062"\r
+go\r
+setboard 4nk2/r1r1bppp/pN2p3/2np4/8/BPN3PP/P3PPK1/2RR4 w - -\r
+solution Ncxd5\r
+id "ECM.063"\r
+go\r
+setboard r4r1k/2pqn1b1/p1bp2pp/1p2pn2/4N3/2PP1PPQ/PPB4P/R1B1RNK1 b - -\r
+solution Nd4\r
+id "ECM.064"\r
+go\r
+setboard r1bQ1nk1/bp3ppp/p7/3B4/1P6/P3P1P1/2P4P/q1B2RK1 b - -\r
+solution Bxe3+\r
+id "ECM.065"\r
+go\r
+setboard 3r1rk1/1b2bppp/2q1pn2/pp4Q1/3B1P2/PBN5/1PP3PP/R2R3K b - -\r
+solution Rxd4\r
+id "ECM.066"\r
+go\r
+setboard 2nq2k1/2r3pp/p1p1rp2/PpQ1N3/1P1PR3/8/5PPP/2R3K1 w - -\r
+solution Nf7\r
+id "ECM.067"\r
+go\r
+setboard r1b2rk1/1p2bppp/p3pn2/4B3/1qBR4/2N5/P3QPPP/R5K1 w - -\r
+solution Bd3\r
+id "ECM.068"\r
+go\r
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -\r
+solution g6\r
+id "ECM.069"\r
+go\r
+setboard 5r1k/p6p/1p1p1qp1/2pQpr2/8/2PP2P1/PP2RPKP/5R2 b - -\r
+solution e4\r
+id "ECM.070"\r
+go\r
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -\r
+solution Qh6\r
+id "ECM.071"\r
+go\r
+setboard 2r2rk1/5pbp/p5p1/3P2q1/1QbN4/5P2/P4BPP/2RR2K1 b - -\r
+solution Bf1\r
+id "ECM.072"\r
+go\r
+setboard r1bqnrk1/pp2ppb1/1np3pp/4P1N1/5P2/2NBB3/PPP3PP/R2Q1RK1 w - -\r
+solution Nh7\r
+id "ECM.073"\r
+go\r
+setboard 3nk3/3q1p2/1B3pr1/4p3/bP2P2p/r2B4/2Q2RPP/3R2K1 w - -\r
+solution Bb5\r
+id "ECM.074"\r
+go\r
+setboard 3rnr1k/pp3ppp/4b3/2p1qNP1/P2pPR2/1P1P2Q1/2P3BP/5RK1 w - -\r
+solution Nh6\r
+id "ECM.075"\r
+go\r
+setboard r1b2kr1/1p1p1pNp/p1n1p1p1/5P2/3QP3/2N5/PqP1B1PP/R4RK1 w - -\r
+solution fxg6\r
+id "ECM.076"\r
+go\r
+setboard 5rk1/3r1p1p/3b2pQ/8/4q3/4B2P/3R1PP1/4R1K1 w - -\r
+solution Rxd6\r
+id "ECM.077"\r
+go\r
+setboard 4rrk1/1bp2ppp/p1q2b1B/1pn2B2/4N1Q1/2P4P/PP3PP1/3RR1K1 w - -\r
+solution Nxc5\r
+id "ECM.078"\r
+go\r
+setboard 2rnrbnk/3q1ppp/p1p5/3p1P2/1p1PPN2/4BQ1R/PP1N2PP/3R2K1 w - -\r
+solution Ng6+\r
+id "ECM.079"\r
+go\r
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -\r
+solution Rd4\r
+id "ECM.080"\r
+go\r
+setboard Q7/p1r1ppk1/1qP4p/2Rb2p1/8/3N2P1/4PP1P/6K1 b - -\r
+solution Qb1+\r
+id "ECM.081"\r
+go\r
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -\r
+solution exf6\r
+id "ECM.082"\r
+go\r
+setboard r2qr1k1/pp3pbp/3p1np1/2pP1bB1/2P1N3/3Q1PN1/PP4PP/R4RK1 b - -\r
+solution Nxe4\r
+id "ECM.083"\r
+go\r
+setboard 4r1k1/1b4pp/p7/1prP3q/2P1B3/5P2/P3Q2P/3RR2K w - -\r
+solution Bg6\r
+id "ECM.084"\r
+go\r
+setboard r1br2k1/ppb1qpp1/2P4p/2n1p3/4B3/P1N2N2/1P3PPP/2RQ1RK1 w - -\r
+solution Nd5\r
+id "ECM.085"\r
+go\r
+setboard 2r3k1/1nqbrp2/p5pp/1p1Pp1N1/8/1P5P/P1B2PP1/2RQR1K1 w - -\r
+solution Nxf7\r
+id "ECM.086"\r
+go\r
+setboard 2r1rbk1/1b3ppp/pp6/2q1pNP1/Pn1RP3/2N5/1PP2QBP/5R1K w - -\r
+solution Nh6+\r
+id "ECM.087"\r
+go\r
+setboard r1b1rk2/3n1pbQ/2qp2p1/p2N2P1/2Bp3N/4P3/PP3PP1/2KR3R w - -\r
+solution Nxg6+\r
+id "ECM.088"\r
+go\r
+setboard r1r2qkb/4pp1p/pBbp3P/3Nn1P1/4Q3/1B6/PPP5/1K1R2R1 w - -\r
+solution g6\r
+id "ECM.089"\r
+go\r
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -\r
+solution Re7\r
+id "ECM.090"\r
+go\r
+setboard rn1q1r2/4bpk1/p3p3/1pN1N1np/2pP4/4PpBb/PPQ4P/1B1RK1R1 w - -\r
+solution Nc6\r
+id "ECM.091"\r
+go\r
+setboard 5rk1/6pp/8/2Q4q/N2pP3/4b1Pb/4PP1K/1R3R2 b - -\r
+solution Bxf1+\r
+id "ECM.092"\r
+go\r
+setboard 2r4k/pp2Q1pp/5r2/P2P4/3Pb1P1/4Ppq1/1P1R3N/3R3K b - -\r
+solution Qe1+\r
+id "ECM.093"\r
+go\r
+setboard 1r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K w - -\r
+solution Qxh7+\r
+id "ECM.094"\r
+go\r
+setboard r1b4k/p2n1Bpp/1p1Q1n2/5p2/3P4/P3BqP1/1P3P1P/R4RK1 b - -\r
+solution Bb7\r
+id "ECM.095"\r
+go\r
+setboard rn1r2k1/p4ppp/2p3b1/3PQ3/1B2Np1q/1B3P2/P1P3PP/4R1K1 w - -\r
+solution Nf6+ \r
+solution Qe8+\r
+id "ECM.096"\r
+go\r
+setboard 4r2k/5R1p/pp1Bq1pN/2p1P3/1n1b3Q/3P4/1P4KP/8 w - -\r
+solution Rxh7+\r
+id "ECM.097"\r
+go\r
+setboard r2nk1r1/pb3q1p/4p3/3p2pQ/8/BP6/P4PPP/2R1R1K1 w q -\r
+solution Rc7\r
+id "ECM.098"\r
+go\r
+setboard 6k1/1pqb1p2/5bpB/r2n4/4N1P1/1P3P2/1P1Q4/1K5R w - -\r
+solution Qxd5\r
+id "ECM.099"\r
+go\r
+setboard rr4k1/2p1ppb1/3pbnpp/q1pP4/4P3/1PNNBP1P/P1KR2P1/2Q4R b - -\r
+solution Qxc3+\r
+id "ECM.100"\r
+go\r
+setboard 1r3rk1/3Q2pp/p3p3/6B1/3np3/6R1/PqP1B2P/3K2R1 w - -\r
+solution Qxg7+\r
+id "ECM.101"\r
+go\r
+setboard 2r5/p4Q2/k1bBp3/4P3/p1nq4/5B2/2Pr2P1/1R1RK3 w - -\r
+solution Qb7+\r
+id "ECM.102"\r
+go\r
+setboard 5rk1/p1pb2pp/2p5/3p3q/2P3n1/1Q4BN/PP1Np1KP/R3R3 b - -\r
+solution Qxh3+\r
+id "ECM.103"\r
+go\r
+setboard 2r1nk2/4qpbQ/4b3/1p2RpP1/4P3/p7/PBP5/1K5R w - -\r
+solution Qxg7+\r
+id "ECM.104"\r
+go\r
+setboard 2kr4/1bpr3p/4R3/1pQ5/8/6B1/3q2PP/2R4K w - -\r
+solution Qxc7+\r
+id "ECM.105"\r
+go\r
+setboard r4rk1/1pbb2pp/p1p1p2q/2Pp4/1P1Pn3/P3B2P/2Q1BPP1/R4RNK b - -\r
+solution Qxe3\r
+id "ECM.106"\r
+go\r
+setboard r1k4r/ppp1b3/5Npp/4pb1Q/8/1B2B3/PqP2PPP/2RR2K1 w - -\r
+solution Qxf5+\r
+id "ECM.107"\r
+go\r
+setboard 6r1/p4rkp/3RQ1n1/1pp1p1B1/2p1P3/2P3R1/P4qPK/8 w - -\r
+solution Qxe5+\r
+id "ECM.108"\r
+go\r
+setboard 2kr1r2/1pp3pp/1n2p1b1/pN2B3/P1q5/1Q1p3P/5PP1/R4R1K w - -\r
+solution Rac1\r
+id "ECM.109"\r
+go\r
+setboard 2kr1bnr/1ppq4/p3bp2/6pp/4p3/2N2NBP/PP3PP1/2RQ1RK1 w - -\r
+solution Na4\r
+id "ECM.110"\r
+go\r
+setboard r2q2rk/p3bp1p/4b1p1/3pP2R/1p1B4/3BQ3/PPP3PP/5R1K w - -\r
+solution Rxf7\r
+id "ECM.111"\r
+go\r
+setboard r1b1Q3/6pk/p6p/1pq1n3/4N3/8/PPP3PP/R6K b - -\r
+solution Qc6\r
+id "ECM.112"\r
+go\r
+setboard q6r/pp3pkp/5np1/4Q3/4P3/6N1/P4PPP/5RK1 w - -\r
+solution Nh5+\r
+id "ECM.113"\r
+go\r
+setboard r1b1rk2/pp3ppQ/1np5/4q3/2B4N/4P3/PP3PP1/2R2K1R w - -\r
+solution Qg8+\r
+id "ECM.114"\r
+go\r
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -\r
+solution Nxh7\r
+id "ECM.115"\r
+go\r
+setboard r3r1k1/p2N1pp1/1pn1p3/q1n5/2PQ4/P3B3/4PPKP/R5R1 w - -\r
+solution Nf6+\r
+id "ECM.116"\r
+go\r
+setboard 4qbk1/1R5n/p2pr1p1/2pQpNPp/P1P1P3/2P2P2/3B4/5K2 w - -\r
+solution Ne7+\r
+id "ECM.117"\r
+go\r
+setboard 3qr1k1/1p1bppbp/p2p2p1/2rPn3/P2N4/4BP2/1PPQ2PP/R2R1BK1 w - -\r
+solution Ne6\r
+id "ECM.118"\r
+go\r
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.119"\r
+go\r
+setboard 8/R5p1/6k1/pr2p1b1/4K3/7P/5P2/6R1 w - -\r
+solution h4\r
+id "ECM.120"\r
+go\r
+setboard 5rk1/1b1r1p2/p1q1pQp1/1p2P2p/8/1BP1NR2/PP1n2PP/5R1K w - -\r
+solution Bxe6\r
+id "ECM.121"\r
+go\r
+setboard 6k1/p1p2r2/1p1p1P1Q/3P4/2P5/5qr1/PP4RP/6RK w - -\r
+solution Qh3\r
+id "ECM.122"\r
+go\r
+setboard 2b1rr1k/1p5p/1Ppp2q1/p3bN2/2P1n3/5R2/PBQ3BP/3R2K1 w - -\r
+solution Nxd6\r
+id "ECM.123"\r
+go\r
+setboard 3b2rk/7p/p7/2pbqNrn/Pp1p1R2/1P1Q2P1/1BPN1R1P/6K1 w - -\r
+solution Rxd4\r
+id "ECM.124"\r
+go\r
+setboard 1rbr2k1/1pq1bp1p/p1pNn1p1/2n1p3/2B1P2P/1NQ1BP2/PP4P1/1K1R3R w - -\r
+solution Nxf7\r
+id "ECM.125"\r
+go\r
+setboard r4rk1/1pp1b1pp/p1q5/3pPp2/3Pn3/P3N3/1P3PPP/R1BQR1K1 w - -\r
+solution Qb3\r
+id "ECM.126"\r
+go\r
+setboard rbbq1rk1/p3nppp/1p2p3/8/1B1pN3/P2B4/1P3PPP/2RQ1RK1 w - -\r
+solution Nf6+\r
+id "ECM.127"\r
+go\r
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -\r
+solution Nxh5\r
+id "ECM.128"\r
+go\r
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -\r
+solution Re6\r
+id "ECM.129"\r
+go\r
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -\r
+solution Rxe7\r
+id "ECM.130"\r
+go\r
+setboard 2rq1rk1/pp2bppp/1npp1n2/3PpN1b/2P5/2N3PP/PP2PPB1/R1BQ1RK1 w - -\r
+solution c5\r
+id "ECM.131"\r
+go\r
+setboard rnbq1rk1/pp2b1pp/5n2/2pPp3/2P1N3/3B1N2/PP4PP/R1BQK2R w KQ -\r
+solution d6\r
+id "ECM.132"\r
+go\r
+setboard 2n1rbk1/5pp1/7p/qP1pp3/4b1Q1/1B5P/1P1N1PP1/2B1R1K1 w - -\r
+solution Rxe4\r
+id "ECM.133"\r
+go\r
+setboard 4k3/2R2p2/5p1p/8/rb6/1N6/5PPP/5K2 w - -\r
+solution Rc4\r
+id "ECM.134"\r
+go\r
+setboard 2k3r1/pp2rp2/1np5/2Np1p2/P2P3p/1R2P1Pq/2Q2P1P/1R4K1 w - -\r
+solution Nxb7\r
+id "ECM.135"\r
+go\r
+setboard 2r1k3/p3nrR1/1p1p4/2p1p1p1/2P1B3/2PP1P2/P5K1/7R w - -\r
+solution Rh8+\r
+id "ECM.136"\r
+go\r
+setboard 8/1Qp3pk/7p/5p2/5Pqn/1P1r4/P5PP/2B2RK1 b - -\r
+solution c6\r
+id "ECM.137"\r
+go\r
+setboard 2rr1bk1/5p1p/pPN2np1/3Bp3/2Q1n3/1P2B1Pq/P3PP2/R2R2K1 b - -\r
+solution Rxd5\r
+id "ECM.138"\r
+go\r
+setboard 3r2k1/1p4pp/p1q1p3/3p1B2/bP1B2P1/P4Q2/5PKP/2b2R2 w - -\r
+solution Rxc1\r
+id "ECM.139"\r
+go\r
+setboard rnb1r1k1/pp5p/2pp2p1/4b3/2P1P2q/1NN1BPp1/PP1QB1P1/3RR1K1 b - -\r
+solution Bf4\r
+id "ECM.140"\r
+go\r
+setboard 5n1r/1p2kp2/rB1Nb3/4p1Pp/4p2P/1PP5/8/1K1R1R2 w - -\r
+solution Rxf7+\r
+id "ECM.141"\r
+go\r
+setboard b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - -\r
+solution d3+\r
+id "ECM.142"\r
+go\r
+setboard 4r1k1/3R1ppp/p2p4/5PP1/2q2P2/2n2B2/P1P3QP/1r3R1K w - -\r
+solution Rxb1\r
+id "ECM.143"\r
+go\r
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -\r
+solution Bd5+\r
+id "ECM.144"\r
+go\r
+setboard 6k1/4ppbp/p5p1/1B1Q4/2P2Pn1/8/qr4PP/2B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.145"\r
+go\r
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -\r
+solution Ba3\r
+id "ECM.146"\r
+go\r
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -\r
+solution g6\r
+id "ECM.147"\r
+go\r
+setboard 5r2/1b3pk1/pqrpp1p1/4n1Nn/1p2PP1P/8/PPPQB3/1NKR2R1 b - -\r
+solution Rfc8\r
+id "ECM.148"\r
+go\r
+setboard 1r2k2r/p5bp/4p1p1/q2pn3/1p2N1P1/6QP/PPP5/1KBR3R w k -\r
+solution Bh6\r
+id "ECM.149"\r
+go\r
+setboard rn1q1rk1/pp3p1p/2p5/3p4/5Q1P/2NP3R/PPP3P1/4RK2 w - -\r
+solution Rg3+\r
+id "ECM.150"\r
+go\r
+setboard 7r/kppQP1pp/p7/2qp1R2/4n3/1P2b2P/P1P3PK/R7 b - -\r
+solution Re8\r
+id "ECM.151"\r
+go\r
+setboard r1b1kb1Q/qp2pp2/p3n1p1/2nN2Pp/2B4P/7N/PPP5/2KRR3 w q -\r
+solution Nc7+\r
+id "ECM.152"\r
+go\r
+setboard 8/1bq3kp/p5p1/1pb1p3/4P2P/2PQ2P1/1P5B/5N1K b - -\r
+solution Qd8\r
+id "ECM.153"\r
+go\r
+setboard 2r1q1r1/6bk/p2pN1pp/1p1N4/4P3/3R3Q/PnP4P/1K4R1 w - -\r
+solution Nf6+\r
+id "ECM.154"\r
+go\r
+setboard 4r3/Q2bppkp/3p2p1/3Nn3/4P3/6PP/1qr2PB1/R3R1K1 b - -\r
+solution Ra8\r
+id "ECM.155"\r
+go\r
+setboard 6k1/p1q2pp1/2n2b2/3B2Pp/2P2P2/5N1P/Pr1Q2K1/4R3 w - -\r
+solution Re8+\r
+id "ECM.156"\r
+go\r
+setboard r1r3k1/p4n2/3p4/5NpR/8/2q2P2/P1PQ4/2K4R w - -\r
+solution Rh8+\r
+id "ECM.157"\r
+go\r
+setboard 8/p5Q1/2ppq2p/3n1ppk/3B4/2P2P1P/P5P1/6K1 w - -\r
+solution g4+\r
+id "ECM.158"\r
+go\r
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -\r
+solution Nd6\r
+id "ECM.159"\r
+go\r
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -\r
+solution Ba4\r
+id "ECM.160"\r
+go\r
+setboard r1bq3k/ppp2Qp1/2n1p2p/6N1/2BPN3/2P1n3/PP4PP/R5K1 w - -\r
+solution Nf6\r
+id "ECM.161"\r
+go\r
+setboard 3R4/1p2kp2/p1b1nN2/6p1/8/6BP/2r1qPPK/Q7 w - -\r
+solution Rd7+\r
+id "ECM.162"\r
+go\r
+setboard 6k1/p5p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - -\r
+solution Rh8+\r
+id "ECM.163"\r
+go\r
+setboard 8/5P2/4K1kP/4R3/8/8/8/5r2 w - -\r
+solution Rg5+\r
+id "ECM.164"\r
+go\r
+setboard 3r1rk1/p1p1qp1p/2p1b1p1/8/P2PRP2/2P1NQ2/6PP/R5K1 w - -\r
+solution f5\r
+id "ECM.165"\r
+go\r
+setboard 6k1/pr3ppp/1p3qn1/5NQ1/2p5/8/P4PPP/4R1K1 w - -\r
+solution Re8+\r
+id "ECM.166"\r
+go\r
+setboard Q7/1pq2kpp/4bp2/3r4/2B5/P3P3/1r3PPP/2R1K2R b K -\r
+solution Rd1+\r
+id "ECM.167"\r
+go\r
+setboard 4r1k1/p4ppp/4q2r/1Q6/4p3/4P1P1/P4P1P/2RR2K1 w - -\r
+solution Rd6\r
+id "ECM.168"\r
+go\r
+setboard 8/5p1k/4p1p1/3p2K1/3P1Q1P/P4P2/7q/8 b - -\r
+solution f6+\r
+id "ECM.169"\r
+go\r
+setboard r4r2/6k1/3p4/2pPp2p/4Pqp1/3P1P2/1R2Q1KP/5R2 b - -\r
+solution Ra1\r
+id "ECM.170"\r
+go\r
+setboard 4r1k1/1np1r1pp/1ppp1q2/6N1/1P3P2/4RQP1/7P/4R1K1 w - -\r
+solution Qh5\r
+id "ECM.171"\r
+go\r
+setboard r4rk1/pp3p1p/3pq1p1/2nNp3/3R1P2/7Q/PP4PP/5RK1 w - -\r
+solution f5\r
+id "ECM.172"\r
+go\r
+setboard 3qn2k/1p3Bp1/rbn4p/2p5/p1P2p2/P2b2PP/1BQNRP2/1R4K1 w - -\r
+solution Qxd3\r
+id "ECM.173"\r
+go\r
+setboard 3r1rk1/1pp4p/1q3bp1/p3p3/P2n1P2/2BB3P/1PP2QP1/R4RK1 b - -\r
+solution Bh4\r
+id "ECM.174"\r
+go\r
+setboard 4rrk1/2p2ppp/p2b4/1p1P4/3P2nq/2P4P/PPQ1RPP1/RNB3K1 b - -\r
+solution Qxf2+\r
+id "ECM.175"\r
+go\r
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.176"\r
+go\r
+setboard r3kb1r/2q2p2/3p4/ppp1n1B1/P6P/1B3pQ1/1PP3b1/2KRR3 w kq -\r
+solution Bd5\r
+id "ECM.177"\r
+go\r
+setboard r1b2rk1/1p4pp/p1n3q1/4ppN1/7Q/2P1B3/P1P2PPP/R2R2K1 w - -\r
+solution Rd6\r
+id "ECM.178"\r
+go\r
+setboard 1rb2r2/1pR1N2p/p2R2pk/5p2/4pP2/1P1nP3/P4P1P/5BK1 w - -\r
+solution Rf6\r
+id "ECM.179"\r
+go\r
+setboard r1b3k1/ppp2r2/6p1/3n3p/6qP/3BQ3/PBP5/2KR3R w - -\r
+solution Bd4\r
+id "ECM.180"\r
+go\r
+setboard 3r2k1/p2q1r1p/1p1N2p1/1PpP4/3b1Bn1/1Q4Pb/1P2RP1P/R5KB b - -\r
+solution Qxd6\r
+id "ECM.181"\r
+go\r
+setboard 4r1k1/1pbb3p/2pp2q1/p1n5/2P2R2/1PN1n1P1/PB2Q1B1/5RK1 w - -\r
+solution Qxe3\r
+id "ECM.182"\r
+go\r
+setboard 3r2k1/p2r1p1p/1pR1p1qP/3P1pP1/3R4/1P2Q3/P4K2/8 w - -\r
+solution dxe6\r
+id "ECM.183"\r
+go\r
+setboard 3r3k/p1Q3bp/2p3p1/8/2P1BRn1/1P4Pb/P1N1q2P/6BK b - -\r
+solution Nf2+\r
+id "ECM.184"\r
+go\r
+setboard r4k2/p1pr1ppp/2q5/3PR2P/3Q4/8/6P1/5RK1 w - -\r
+solution Re7\r
+id "ECM.185"\r
+go\r
+setboard 1R3b2/3r3k/2p1bp1p/r1q1pNpQ/2PpP2P/6B1/P4PP1/1R4K1 w - -\r
+solution Nxh6\r
+id "ECM.186"\r
+go\r
+setboard r1b4r/pp2ppk1/2np1np1/3N3p/2B1P3/q3BP2/P1PQ2PP/1R3RK1 w - -\r
+solution Nxe7\r
+id "ECM.187"\r
+go\r
+setboard r3k2r/pb1n1pbp/4p1p1/q1n1P3/Bp1N1N2/4B3/PP3PPP/R2Q1RK1 w kq -\r
+solution Ndxe6\r
+id "ECM.188"\r
+go\r
+setboard 5rk1/Q2nqppp/5n2/2p5/8/1B2PP1P/Pr1B1P2/R3K2R b KQ -\r
+solution Ne4\r
+id "ECM.189"\r
+go\r
+setboard 5rk1/5pbp/b5p1/p1nNN3/1p2n3/1P4PP/P4PB1/2BR2K1 w - -\r
+solution Nd7\r
+id "ECM.190"\r
+go\r
+setboard 2k1r1r1/ppb2p2/6b1/2qP4/2P2P2/4pP1p/P3Q2P/2RBRN1K b - -\r
+solution Bd3\r
+id "ECM.191"\r
+go\r
+setboard 5r1k/pp1n1p1p/1b1qpP2/8/1PrN4/P1N1Q1P1/7P/3R1R1K w - -\r
+solution Qh6\r
+id "ECM.192"\r
+go\r
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -\r
+solution Nb6\r
+id "ECM.193"\r
+go\r
+setboard 1r3rk1/p4pbp/q1p2pp1/3p1b2/1n1P1P1B/PB3N2/1PPQR1PP/2KR4 b - -\r
+solution Bxc2\r
+id "ECM.194"\r
+go\r
+setboard 1rbr2k1/4qp2/p1n2bpp/1pp1p1N1/4P3/2P1BQ1P/PPB2PP1/3RR1K1 w - -\r
+solution Bxc5\r
+id "ECM.195"\r
+go\r
+setboard 2r2rk1/1p1q1ppp/1p3n2/3p1N2/4n3/1N3Q2/PPP2PPP/R2R2K1 w - -\r
+solution Rxd5\r
+id "ECM.196"\r
+go\r
+setboard rn3rk1/pp2ppbp/6p1/2R3N1/2B3b1/q3B3/P1P1Q1PP/5RK1 w - -\r
+solution Rxf7\r
+id "ECM.197"\r
+go\r
+setboard r1k3r1/pppnb1p1/4N3/3QP2p/3P3q/4B3/PPP2P2/R3KB2 w Q -\r
+solution Ba6\r
+id "ECM.198"\r
+go\r
+setboard r1nqr2k/1p1b1Q1p/p5p1/P1pPb3/5B2/2N5/BP4PP/R4RK1 w - -\r
+solution Qf8+\r
+id "ECM.199"\r
+go\r
+setboard 8/k3r1b1/Pp2rpp1/1qpQ4/4nB2/2P2NP1/7P/R4RK1 w - -\r
+solution Bb8+\r
+id "ECM.200"\r
+go\r
+setboard 1k1r4/ppq2p2/8/2pPb1r1/2P1Q1B1/6P1/PP3PK1/R4R2 b - -\r
+solution f5\r
+id "ECM.201"\r
+go\r
+setboard r1b2nk1/2qn1p1p/1ppR2p1/8/1PP1NP2/4r1PP/1Q2N1B1/3R2K1 w - -\r
+solution b5\r
+id "ECM.202"\r
+go\r
+setboard 8/5pk1/3q2p1/8/7P/5Q1K/6B1/6b1 b - -\r
+solution Qh2+\r
+id "ECM.203"\r
+go\r
+setboard 6r1/ppp4k/3p2rp/3Pb3/PPP1Np1q/5P1b/3QRRBP/6K1 b - -\r
+solution Bd4\r
+id "ECM.204"\r
+go\r
+setboard 4br1k/pR4bp/2r1B1pN/4npB1/3p4/P7/5PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.205"\r
+go\r
+setboard r1bq1rk1/pppn2bp/3p2p1/3N1p2/8/BP1BRQ1P/P1PP1PP1/4R1K1 w - -\r
+solution Nxc7\r
+id "ECM.206"\r
+go\r
+setboard r6r/1p2kp2/3p1b2/pPpPpQ1P/1nP1P2P/6R1/1P2K3/1B6 w - -\r
+solution Rg6\r
+id "ECM.207"\r
+go\r
+setboard 2q1r1k1/1b3pbp/3p2p1/1Ppn3n/5P2/5B2/1P1B2PP/R2NNQ1K b - -\r
+solution Ndxf4\r
+id "ECM.208"\r
+go\r
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -\r
+solution Rb3\r
+id "ECM.209"\r
+go\r
+setboard r2qr1n1/p4pk1/1p1p2p1/4p3/4PQ2/1PN2P2/1PP3P1/2KR3R w - -\r
+solution Rh7+\r
+id "ECM.210"\r
+go\r
+setboard r4rk1/ppp3b1/3p1qp1/3Pp3/2P1Bn2/4BP2/PP1Q4/2K3RR w - -\r
+solution Rxg6\r
+id "ECM.211"\r
+go\r
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -\r
+solution Bf4\r
+id "ECM.212"\r
+go\r
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -\r
+solution Re7\r
+id "ECM.213"\r
+go\r
+setboard 1q3rk1/r5b1/pNp1bn1p/2Pp1n2/1P2p3/1N2P2P/PBQKB3/3R3R b - -\r
+solution Nxe3\r
+id "ECM.214"\r
+go\r
+setboard r4n1r/ppq1nk2/1bpRpN2/4PpQ1/8/2B4P/PPP2PP1/2KR4 w - -\r
+solution Rd7\r
+id "ECM.215"\r
+go\r
+setboard 3r2k1/p5pp/bpP1p3/3n1p2/2NQpP1q/P3P3/1B1R1R2/4KBr1 b - -\r
+solution Rxf1+\r
+id "ECM.216"\r
+go\r
+setboard 1rq1r2k/5Rbp/p2p1p1B/2p1p3/2P1P2Q/1P6/P5PP/3b3K w - -\r
+solution Bxg7+\r
+id "ECM.217"\r
+go\r
+setboard 5Q2/5p1p/3p2p1/4p1k1/4P1P1/3R1P1K/r6P/4q3 w - -\r
+solution f4+\r
+id "ECM.218"\r
+go\r
+setboard 2b2r1k/ppq3pp/3b3r/n3NpN1/Q2PpP1B/2P1R3/PP5P/4R1K1 w - -\r
+solution Ngf7+\r
+id "ECM.219"\r
+go\r
+setboard 2r1r1k1/1R4bp/p5p1/2pqn3/8/2B5/1PQ1B1PP/5RK1 w - -\r
+solution Bc4\r
+id "ECM.220"\r
+go\r
+setboard 7k/pp1q2pp/3Nr1n1/3B2Q1/2pP4/B3P1Pb/P6P/6K1 w - -\r
+solution Qd8+\r
+id "ECM.221"\r
+go\r
+setboard r5k1/5p1p/bq1p2p1/r2Pp3/1p2N1P1/1P3P2/1KPQ3P/3R3R b - -\r
+solution Ra2+\r
+id "ECM.222"\r
+go\r
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -\r
+solution Bg7\r
+id "ECM.223"\r
+go\r
+setboard 5nk1/2b1q1p1/2p5/3pP1pQ/1r1P2P1/3B1R2/5PP1/6K1 w - -\r
+solution Rxf8+\r
+id "ECM.224"\r
+go\r
+setboard 1k1r3r/1pp2p2/p2b4/4n1p1/N3q1P1/1B2B3/PP3RP1/4RQK1 b - -\r
+solution Rh1+\r
+id "ECM.225"\r
+go\r
+setboard rnb1kr2/p4pQ1/8/1ppPpP2/2p1P3/N6P/Pq4B1/3R1RK1 w q -\r
+solution Nxb5\r
+id "ECM.226"\r
+go\r
+setboard 5r1k/2p3pp/3pQ3/3P1rN1/pp5q/5PR1/P4PKP/B7 w - -\r
+solution Bxg7+\r
+id "ECM.227"\r
+go\r
+setboard 8/pR3Bk1/3p2p1/5b1p/2P4P/6P1/P4bQK/4q3 b - -\r
+solution Bg1+\r
+id "ECM.228"\r
+go\r
+setboard r1b1Rnk1/6pp/p4q2/1pp2P2/3r4/2NB4/PP1Q2PP/4R1K1 w - -\r
+solution Nd5\r
+id "ECM.229"\r
+go\r
+setboard 1Q6/pb3pk1/1p3qp1/1N3p1p/2Pr3P/3BR1PK/r7/6R1 b - -\r
+solution Rh2+\r
+id "ECM.230"\r
+go\r
+setboard rq3r1k/p2n1p2/1pbb1np1/2p2BB1/8/2N2N2/PP3QPP/3R1RK1 w - -\r
+solution Rxd6\r
+id "ECM.231"\r
+go\r
+setboard 2kr3r/Qpp1n1p1/2b2pp1/4b3/8/6N1/PPP2P2/R1B2RK1 b - -\r
+solution Rh1+\r
+id "ECM.232"\r
+go\r
+setboard 8/2p2Q1p/1rp5/p3q1kp/P7/2P2RP1/5PK1/8 w - -\r
+solution Rf5+\r
+id "ECM.233"\r
+go\r
+setboard 1r2b3/1p2q1bk/p1p1p1p1/P1PpP2r/1P1KpPQP/4P2N/6R1/4B2R b - -\r
+solution Rxe5\r
+id "ECM.234"\r
+go\r
+setboard 6k1/3b1p1p/6p1/2BPR3/8/4Q2P/1q3rPK/8 w - -\r
+solution Re8+\r
+id "ECM.235"\r
+go\r
+setboard 2R5/4ppkp/6p1/p2P4/4P2P/p3B1P1/qbR2PK1/8 w - -\r
+solution Rg8+\r
+id "ECM.236"\r
+go\r
+setboard 3rr1k1/1b5p/p6p/1p3N2/6Pb/P1Q1p3/1PP4P/R5K1 b - -\r
+solution Bf2+\r
+id "ECM.237"\r
+go\r
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -\r
+solution Qc1\r
+id "ECM.238"\r
+go\r
+setboard 3r1rk1/1pq1nppp/p7/2pB3Q/P4P2/1P2P3/6PP/2RR2K1 w - -\r
+solution Bf3 \r
+solution Rxc5\r
+id "ECM.239"\r
+go\r
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -\r
+solution Rxd6\r
+id "ECM.240"\r
+go\r
+setboard 6k1/1pp2p2/p2p2q1/2PPb3/4r3/Pr4PK/2R5/2Q2NR1 b - -\r
+solution Rh4+\r
+id "ECM.241"\r
+go\r
+setboard 3r4/1pQ4R/p1b2kp1/P6p/2q5/7P/2P3P1/6K1 b - -\r
+solution Rd1+\r
+id "ECM.242"\r
+go\r
+setboard 6rr/1b3k1p/pbqppPn1/1p5Q/4PN2/P6R/1PP3BP/2B2R1K w - -\r
+solution Qxh7+\r
+id "ECM.243"\r
+go\r
+setboard 4rrk1/3b1ppp/pb6/1pqP4/P1p1PP2/1P2NK2/3QB2P/R2R4 b - -\r
+solution Rxe4\r
+id "ECM.244"\r
+go\r
+setboard 2r1r1k1/1p4bp/p2p1qp1/1n1P4/2P1B2P/1N1Q4/PP2R3/1K5R b - -\r
+solution Rxc4\r
+id "ECM.245"\r
+go\r
+setboard 6rr/ppqb1pkp/2pb1pn1/3p3Q/3P1P1N/3B1RN1/PPP3PP/5RK1 w - -\r
+solution Qh6+\r
+id "ECM.246"\r
+go\r
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -\r
+solution Bh7+\r
+id "ECM.247"\r
+go\r
+setboard r2q1rk1/1b1nbpp1/p1p1p2p/1pPpN3/3P1N2/P2BP3/1PQ2PPP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.248"\r
+go\r
+setboard 2r2rk1/pb4pp/1p2p3/4Npq1/3P1n2/5P2/PP1R2PP/RB2Q1K1 b - -\r
+solution Rc1\r
+id "ECM.249"\r
+go\r
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -\r
+solution Bxf7+\r
+id "ECM.250"\r
+go\r
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -\r
+solution Bb7\r
+id "ECM.251"\r
+go\r
+setboard r5k1/pp2ppb1/4qn2/r3B1p1/3P4/3QNP1R/PP2K1P1/7R w - -\r
+solution Bxf6\r
+id "ECM.252"\r
+go\r
+setboard 1R2br1k/5r1p/p2p1P2/6RQ/3p1P2/4p2B/q6P/5N1K w - -\r
+solution Rxe8\r
+id "ECM.253"\r
+go\r
+setboard kr1r4/7p/2bqp1p1/p7/1Pp1PP1P/K1B1nNPB/PP5R/RN2Q3 b - -\r
+solution Qxb4+\r
+id "ECM.254"\r
+go\r
+setboard 5r1r/1pkb4/5pB1/2P5/p3R2P/Pq6/1PQ2Pn1/K2R4 w - -\r
+solution Rxd7+\r
+id "ECM.255"\r
+go\r
+setboard kn5r/p2r2p1/1pqBp1np/1Q1pPp2/R2P4/1N6/2P2PPP/R5K1 w - -\r
+solution Rxa7+\r
+id "ECM.256"\r
+go\r
+setboard 4Rnk1/2p2pp1/3r3p/p2P4/P5Q1/1B5P/5PK1/q7 w - -\r
+solution Rxf8+\r
+id "ECM.257"\r
+go\r
+setboard 4r3/2k1p2q/pp1nR1p1/2pP1pP1/2P2P2/1P6/P1K3B1/4Q3 w - -\r
+solution Rxd6\r
+id "ECM.258"\r
+go\r
+setboard 2b3k1/p4ppp/7q/2Q5/8/P3r1P1/1r4BP/R3R1K1 b - -\r
+solution Rxg2+\r
+id "ECM.259"\r
+go\r
+setboard r1b1rbk1/7p/2p1pBp1/p2pP1P1/5P2/1PqB4/P1P1Q3/1K4RR w - -\r
+solution Rxh7\r
+id "ECM.260"\r
+go\r
+setboard 2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - -\r
+solution Bxh6\r
+id "ECM.261"\r
+go\r
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -\r
+solution Rxh8+\r
+id "ECM.262"\r
+go\r
+setboard 3r2k1/p4rPp/1b1q3Q/n1p1pP2/1p6/3B1NR1/P4P1P/6RK w - -\r
+solution Qxh7+\r
+id "ECM.263"\r
+go\r
+setboard r1bqrnk1/p4p2/1p5p/3pB1p1/P2P2n1/1P1B2N1/2Q3PP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.264"\r
+go\r
+setboard r2rn1k1/1bqn1ppp/p7/2bpP1P1/1p1N1Q2/1P3B2/PBP1NR1P/3R2K1 w - -\r
+solution Qxf7+\r
+id "ECM.265"\r
+go\r
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.266"\r
+go\r
+setboard r1b1r1k1/1p1n1p2/p1nBp1p1/q2pP1Np/P7/R2B3Q/2P2PPP/5RK1 w - -\r
+solution Nxf7\r
+id "ECM.267"\r
+go\r
+setboard r1b1k2r/ppp3pp/1qp5/2b1Pp2/3Qn3/5N2/PPPBNPPP/2KR3R w kq -\r
+solution Qd8+\r
+id "ECM.268"\r
+go\r
+setboard 1k6/1p4p1/P1p5/5Q2/2q2r2/P7/8/4R2K w - -\r
+solution Re8+\r
+id "ECM.269"\r
+go\r
+setboard 6k1/1p3p2/4r1p1/1PPrbq1p/2QN4/P2R1P1P/R4KP1/8 b - -\r
+solution Bg3+\r
+id "ECM.270"\r
+go\r
+setboard 4n1q1/1k1b4/2p4R/2Pp4/1p1N1rpQ/3B4/PPP2P2/2K5 w - -\r
+solution Nxc6\r
+id "ECM.271"\r
+go\r
+setboard r2qk2r/1pp2ppp/p3pnn1/6N1/1B1P2P1/1Q2P2P/PP3PK1/R6R b kq -\r
+solution Nh4+\r
+id "ECM.272"\r
+go\r
+setboard 2kr2r1/R2p3p/2n2p2/1R3P2/2P1p3/4BQ2/1Pq4P/4K3 w - -\r
+solution Ra8+\r
+id "ECM.273"\r
+go\r
+setboard r3r1k1/pp3pp1/2bb1q2/3p4/4n1Pp/2P1BB1P/PP2NPK1/R1Q4R b - -\r
+solution Qxf3+\r
+id "ECM.274"\r
+go\r
+setboard r1br4/ppq2pk1/3bpN2/8/2P5/3n2B1/PP2QPPP/R4K1R w - -\r
+solution Qg4+\r
+id "ECM.275"\r
+go\r
+setboard 6kb/B1p2p2/5r2/1r1p2pR/6q1/3P2P1/P1P2PP1/2KR3Q b - -\r
+solution Rb1+\r
+id "ECM.276"\r
+go\r
+setboard rn4k1/pp2p1b1/4b3/q2p2Q1/2B2P2/8/P1P1K1P1/R6R w - -\r
+solution Rh8+\r
+id "ECM.277"\r
+go\r
+setboard 3k2r1/pp1b3Q/1b2pP1p/3pN2q/5B2/7B/PP2nP1K/2R5 b - -\r
+solution Rg2+\r
+id "ECM.278"\r
+go\r
+setboard 2r2rk1/pp3qpp/8/3P1b2/3Q4/P1N1B3/5PKP/R2R4 b - -\r
+solution Rxc3\r
+id "ECM.279"\r
+go\r
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -\r
+solution Nxg7\r
+id "ECM.280"\r
+go\r
+setboard 4k2r/1bqnbppp/p3p3/1p2P1N1/2r2BB1/8/PPP3PP/R2Q1R1K w k -\r
+solution Nxf7\r
+id "ECM.281"\r
+go\r
+setboard 5r1k/1pqb3p/2n5/p1pB4/2Pp1r1P/1P5P/R2N2K1/3Q1R2 b - -\r
+solution Bxh3+\r
+id "ECM.282"\r
+go\r
+setboard r4r2/pp2qk2/4pnp1/3pQ3/2p2P2/3B4/PPP2P2/2KR3R w - -\r
+solution Bxg6+\r
+id "ECM.283"\r
+go\r
+setboard 3bq3/p1n2rk1/1pp1p1p1/3pPnPp/1P1P1N1P/2PN3K/P2BQR2/8 w - -\r
+solution Nxg6\r
+id "ECM.284"\r
+go\r
+setboard b6r/2q2k2/4pPp1/1p1n2Bp/2pPB1PP/2P2Q2/8/4R1K1 w - -\r
+solution Bxg6+\r
+id "ECM.285"\r
+go\r
+setboard r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - -\r
+solution Qh6+\r
+id "ECM.286"\r
+go\r
+setboard 4k3/p4ppp/nb1P4/4p3/1P6/P4BP1/3q1r1P/2R2QKR w - -\r
+solution Qb5+\r
+id "ECM.287"\r
+go\r
+setboard r2q1rk1/pp2pp2/3pb3/3Qb2R/4P1p1/1BN1Bn2/PPP2P2/2K4R w - -\r
+solution Rh8+\r
+id "ECM.288"\r
+go\r
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -\r
+solution Nxg7\r
+id "ECM.289"\r
+go\r
+setboard 1rbk2nr/p1pp2b1/7p/2qP1pp1/2Bn4/2NKBP2/PP2N1PP/R2Q3R b - -\r
+solution Qxc4+\r
+id "ECM.290"\r
+go\r
+setboard 1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - -\r
+solution Rxb2\r
+id "ECM.291"\r
+go\r
+setboard 5rk1/ppp1q2p/1n1p1np1/3P2N1/1P1R2P1/2Q4P/P3r1B1/5RK1 b - -\r
+solution Rxg2+\r
+id "ECM.292"\r
+go\r
+setboard 6k1/pp2p2p/3p2p1/4b1r1/2Pn1r1q/2B1N3/PP4B1/R3QRK1 b - -\r
+solution Qh2+\r
+id "ECM.293"\r
+go\r
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -\r
+solution Qxg6+\r
+id "ECM.294"\r
+go\r
+setboard r2k3r/2pb1ppp/p1p1q3/2Q5/5B2/2N5/PPP2PPP/3R2K1 w - -\r
+solution Bxc7+\r
+id "ECM.295"\r
+go\r
+setboard 2r2r2/2N2pkp/2Q5/1N2p1b1/1p6/3P1qPb/PPR2P1P/4R1K1 b - -\r
+solution e4\r
+id "ECM.296"\r
+go\r
+setboard 2r1qrk1/pp1b1ppp/4pn2/n1b5/8/2NQ1NP1/PP1BPPBP/R2R2K1 w - -\r
+solution b4\r
+id "ECM.297"\r
+go\r
+setboard 2b1qr1k/7p/p1pR2p1/1pP1p1Q1/4P3/1B6/PP4PP/6K1 w - -\r
+solution Re6\r
+id "ECM.298"\r
+go\r
+setboard 1r2k2r/2p2p1b/q1Pppb1N/p2p2P1/Q2P4/P3B3/1P5P/2KRR3 b k -\r
+solution Rb4\r
+id "ECM.299"\r
+go\r
+setboard 8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - -\r
+solution Kxd5\r
+id "ECM.300"\r
+go\r
+setboard 4b1r1/1p3ppk/3r3p/p1p1qP1B/3pPN2/3P3R/nPPQ3P/6RK w - -\r
+solution Ne6\r
+id "ECM.301"\r
+go\r
+setboard 4b2k/7p/3q3P/1p1pRpr1/1P1B4/2P2Q2/7K/8 w - -\r
+solution Qg3\r
+id "ECM.302"\r
+go\r
+setboard 2kr2r1/pbp4p/1p4p1/1NqpNp2/4nQ2/8/PPPR1PPP/2K1R3 w - -\r
+solution Nc6\r
+id "ECM.303"\r
+go\r
+setboard 1rr3k1/1p1bqpbp/1R1p2p1/pN1P4/P3P1n1/1Q6/3NB1PP/2B1R1K1 b - -\r
+solution Rc3\r
+id "ECM.304"\r
+go\r
+setboard r1br4/1p3k2/p2q1p2/3N1Pp1/3Q4/8/PP4P1/4RR1K w - -\r
+solution Re6\r
+id "ECM.305"\r
+go\r
+setboard r3kbnr/p4ppp/2p1p3/8/Q1B3b1/2N1B3/PP3PqP/R3K2R w KQkq -\r
+solution Bd5\r
+id "ECM.306"\r
+go\r
+setboard 3r1rk1/2p1qp1p/pnP3p1/4n3/PP1NpR2/1BQ4P/6P1/5RK1 w - -\r
+solution Ne6\r
+id "ECM.307"\r
+go\r
+setboard r1bq1k2/5pb1/p2p1n2/2pPrP2/2p4B/3B2R1/PP1Q2PP/R5K1 w - -\r
+solution Qg5\r
+id "ECM.308"\r
+go\r
+setboard 2bq1rk1/p4pbp/p2p2p1/3P4/2p1QP2/2Pr3P/PP1N2P1/R1B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.309"\r
+go\r
+setboard r5rk/1p1bqpnp/3p1b1B/pBnPp2P/4P3/2N2Q2/PP3P2/R3KNR1 b Q -\r
+solution Nf5\r
+id "ECM.310"\r
+go\r
+setboard r3rk2/p2q1b1p/1pnP1Qp1/5pN1/2p2P2/P1P5/7P/4RRK1 w - -\r
+solution Re7\r
+id "ECM.311"\r
+go\r
+setboard r3r1k1/p1q2pp1/2p4p/7n/BPPP2N1/3Q1N2/P3n1P1/R1B4K b - -\r
+solution Nhg3+\r
+id "ECM.312"\r
+go\r
+setboard r2qrbk1/1p4pb/2n2p1p/pNpn4/2N5/PP1PPQPB/1B5P/2R2RK1 w - -\r
+solution Nbd6\r
+id "ECM.313"\r
+go\r
+setboard 5r1k/1p1b1p1p/p2ppb2/5P1B/1q6/1Pr3R1/2PQ2PP/5R1K w - -\r
+solution Qh6\r
+id "ECM.314"\r
+go\r
+setboard r1b2rk1/p3bppp/2q5/8/2p1NR2/PnB1P3/1PB1Q1PP/3R2K1 w - -\r
+solution Rd6\r
+id "ECM.315"\r
+go\r
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -\r
+solution R1b4\r
+id "ECM.316"\r
+go\r
+setboard 4r3/pp1b3k/2p2qpp/2Pp4/1P6/PBbP1N1P/2R3P1/3Q3K b - -\r
+solution Re1+\r
+id "ECM.317"\r
+go\r
+setboard 1rb2rk1/p1p2ppp/2q5/3R4/2P1N3/bP4B1/P1Q2P1P/1K5R w - -\r
+solution Bd6\r
+id "ECM.318"\r
+go\r
+setboard 8/5k1p/5PpB/3PR3/2r4P/1p3K2/2b5/8 b - -\r
+solution Re4\r
+id "ECM.319"\r
+go\r
+setboard 4r2k/3b3p/p2p4/2pP1p2/q1B2Q1P/2PK1P2/Pr1R4/7R b - -\r
+solution Re4\r
+id "ECM.320"\r
+go\r
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -\r
+solution Rd5\r
+id "ECM.321"\r
+go\r
+setboard 2R5/2R4p/5p1k/6n1/8/1P2QPPq/r7/6K1 w - -\r
+solution Rxh7+\r
+id "ECM.322"\r
+go\r
+setboard r1b1r1kb/p1qn1pnp/2p1p1p1/4P1N1/2p1NPP1/4B3/PPPQ3P/3RK2R w K -\r
+solution Qxd7\r
+id "ECM.323"\r
+go\r
+setboard 5k1r/ppqnnp2/3b2p1/2pB2Qp/3p3N/1P1P2P1/P1P2P2/2B1R1K1 w - -\r
+solution Rxe7\r
+id "ECM.324"\r
+go\r
+setboard 5rk1/5p1p/8/3pNp2/RPrqn3/1Q5P/1P3PP1/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.325"\r
+go\r
+setboard 2rr2k1/4qppp/bn6/p1bB4/4N3/6P1/PB2PP1P/2RQ1RK1 w - -\r
+solution Rxc5\r
+id "ECM.326"\r
+go\r
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -\r
+solution Rxd7\r
+id "ECM.327"\r
+go\r
+setboard 5rk1/r2nqpp1/p3p3/1p2P3/4N1pP/8/PPP3Q1/1K1R3R w - -\r
+solution Rxd7\r
+id "ECM.328"\r
+go\r
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -\r
+solution Qh6\r
+id "ECM.329"\r
+go\r
+setboard 2r2r1k/1pq1b1p1/p1b1Qn1p/8/3B4/2NB4/PPP3PP/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.330"\r
+go\r
+setboard 3rqb2/1pR3pk/p3n1pp/3p4/3B4/PP6/1P4PP/4RQK1 w - -\r
+solution Rxe6\r
+id "ECM.331"\r
+go\r
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -\r
+solution Rxc8+\r
+id "ECM.332"\r
+go\r
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -\r
+solution Rxe4\r
+id "ECM.333"\r
+go\r
+setboard r3r1k1/1p3pPp/p1p5/3bb2N/7q/1P1Q4/2PB2PP/4RRK1 w - -\r
+solution Rxe5\r
+id "ECM.334"\r
+go\r
+setboard 8/5p2/4p1k1/4P1p1/2rBRbK1/5P2/r4P2/7R b - -\r
+solution Rxd4\r
+id "ECM.335"\r
+go\r
+setboard r1bqr1k1/pp3pp1/2p4p/3PN1n1/3P1b2/2NB4/PPQ2PPP/3R1RK1 b - -\r
+solution Rxe5\r
+id "ECM.336"\r
+go\r
+setboard r3r1k1/pbqn1ppp/1p3n2/1Pb5/2p5/5N1P/PBQ1BPP1/1N1R1RK1 b - -\r
+solution Rxe2\r
+id "ECM.337"\r
+go\r
+setboard 2r2rbk/6bp/5qp1/1N1p1n2/4p3/1p5P/1P3PP1/RBBQ1RK1 b - -\r
+solution Ng3\r
+id "ECM.338"\r
+go\r
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -\r
+solution Rxc5\r
+id "ECM.339"\r
+go\r
+setboard 1k2r2r/1bpQN2p/1p6/P3p2q/4np2/2P2N2/2P2PPP/R3R1K1 b - -\r
+solution Rxe7\r
+id "ECM.340"\r
+go\r
+setboard r1k2n1r/2pb4/1p1p1qpp/p2P1p2/3N1P1P/2Q3P1/PPP1R3/2K1RB2 w - -\r
+solution Re8+\r
+id "ECM.341"\r
+go\r
+setboard r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - -\r
+solution Qf6+\r
+id "ECM.342"\r
+go\r
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -\r
+solution Nxe6\r
+id "ECM.343"\r
+go\r
+setboard 4q1r1/5kpp/2p1nb2/2PpQp2/r4P2/1N3P2/1BP1R2P/6RK w - -\r
+solution Rxg7+\r
+id "ECM.344"\r
+go\r
+setboard 2r1k2r/1pq1bppp/p3bn2/4N3/2pPN3/2P5/P3QPPP/R1B1R1K1 w k -\r
+solution Nxf6+\r
+id "ECM.345"\r
+go\r
+setboard 1r3k1r/4Rn1p/pb1p1P2/1p1q2P1/5p2/7Q/PPP1B1RP/2K5 w - -\r
+solution Rxf7+\r
+id "ECM.346"\r
+go\r
+setboard 4rrk1/ppn3pp/2pb1n1q/3p4/1P1P4/P3BNP1/2P1BPKP/R2Q1R2 b - -\r
+solution Rxe3\r
+id "ECM.347"\r
+go\r
+setboard 2b1r2k/2Q4p/4q3/1pp5/3b4/4NP2/1P3BP1/3R2K1 w - -\r
+solution Rxd4\r
+id "ECM.348"\r
+go\r
+setboard r3r1k1/pp3ppp/1qp5/2bbNQ2/5B2/2P5/PP3PPP/3RR1K1 w - -\r
+solution Rxd5\r
+id "ECM.349"\r
+go\r
+setboard 7r/3qbk1r/3p1n2/p1pPp1p1/Pp1nPpP1/1P1Q1P1B/1NP3K1/R3B2R b - -\r
+solution Nxg4\r
+id "ECM.350"\r
+go\r
+setboard r2qn1k1/1p1b3p/2pp1b2/6pQ/p1P1P3/P1N3PB/1P6/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.351"\r
+go\r
+setboard 2rq3r/5p2/p3pkbQ/3p4/3N4/2P4R/P4PP1/4R1K1 w - -\r
+solution Rf3+\r
+id "ECM.352"\r
+go\r
+setboard r4k1r/pp2pp2/3p1b2/q2PnQpp/3N4/1BP3P1/PP3PP1/3RR1K1 w - -\r
+solution Rxe5\r
+id "ECM.353"\r
+go\r
+setboard 5rk1/2p3pp/p1p4r/2P1p3/3pPnq1/1P3R1P/PN1Q3K/R5N1 b - -\r
+solution Qxf3\r
+id "ECM.354"\r
+go\r
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -\r
+solution Rxd7\r
+id "ECM.355"\r
+go\r
+setboard 2r2rk1/p3p1bp/3qP1p1/1Q1p4/P4P2/3R4/1P4PP/2B2RK1 b - -\r
+solution Rxc1\r
+id "ECM.356"\r
+go\r
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -\r
+solution Rxd4\r
+id "ECM.357"\r
+go\r
+setboard 1r6/3b1pk1/pr1p1q1p/2pPb1p1/2B1P1P1/2N2PP1/1PQ3K1/RR6 b - -\r
+solution Rxb2\r
+id "ECM.358"\r
+go\r
+setboard 2r2rk1/5ppp/1p2p3/p7/1n1R4/P1NnPN2/1P3PPP/1R4K1 b - -\r
+solution Nxb2\r
+id "ECM.359"\r
+go\r
+setboard 2r3k1/p1r1ppb1/2bp1np1/q5N1/1p1BP2Q/3P4/PP2N1PP/2R2R1K w - -\r
+solution Bxf6\r
+id "ECM.360"\r
+go\r
+setboard r3r1k1/p4ppp/2pp1b2/8/q2n1P2/2BQ3P/PPP3P1/1K1R2NR b - -\r
+solution Re3\r
+id "ECM.361"\r
+go\r
+setboard rn1kr3/pppb4/3p1q2/3P1pNn/2P2P1p/1P2Q2P/P2NR1B1/4R1K1 w - -\r
+solution Qxe8+\r
+id "ECM.362"\r
+go\r
+setboard r2q1rk1/ppp1b1pp/1nn1p3/4P3/2PP4/2N1B2P/PP1Q4/2KR1B1R b - -\r
+solution Rxf1\r
+id "ECM.363"\r
+go\r
+setboard r3k3/1pqb1p2/p3p3/4n2r/3N1Q2/2P5/PP4B1/4RRK1 w q -\r
+solution Rxe5\r
+id "ECM.364"\r
+go\r
+setboard 1rb2bk1/q4r2/pB1p1nn1/3Pp3/N3PpP1/8/1PQ1BNP1/R1R3K1 b - -\r
+solution Rxb6\r
+id "ECM.365"\r
+go\r
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -\r
+solution Rxd8\r
+id "ECM.366"\r
+go\r
+setboard r4rk1/5p2/p1b1pQpq/8/1B2P3/2NR4/PPP3PP/1K6 w - -\r
+solution Rd5\r
+id "ECM.367"\r
+go\r
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -\r
+solution Rxg6+\r
+id "ECM.368"\r
+go\r
+setboard 2rr2k1/5ppp/p1b1pn2/q1p5/P1B1PQ2/R1PN1P2/6PP/1R4K1 b - -\r
+solution Rxd3\r
+id "ECM.369"\r
+go\r
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -\r
+solution Bd8\r
+id "ECM.370"\r
+go\r
+setboard 1k2rb1r/pbp1q1pp/2pp4/2PnpP2/Q7/1P3NP1/PB5P/2KR1B1R w - -\r
+solution Rxd5\r
+id "ECM.371"\r
+go\r
+setboard 7k/p1p1r2p/1p1pnr1q/5pp1/2PPPp2/2PB1P1P/P2Q1PRK/7R b - -\r
+solution g4\r
+id "ECM.372"\r
+go\r
+setboard 5qk1/p4p2/1p3Pp1/2p4Q/3rr3/7R/PP6/6RK b - -\r
+solution Rh4\r
+id "ECM.373"\r
+go\r
+setboard 5r1k/5Bb1/3p2Pp/p1pP4/1p2Q3/4P1P1/q7/3K3R w - -\r
+solution Rxh6+\r
+id "ECM.374"\r
+go\r
+setboard 2b4B/1pp2k2/1p6/3P3n/5p1P/1P4p1/P2r2P1/R5KR b - -\r
+solution f3\r
+id "ECM.375"\r
+go\r
+setboard r3k2N/pppbq1pp/5n2/3Ppn2/2BP4/2P3bP/PP2Q1P1/RNB2K1R b q -\r
+solution Bh2\r
+id "ECM.376"\r
+go\r
+setboard r2q1r2/p1pbppbk/1p3npp/n2P2B1/7Q/2NB1N2/PPP3PP/4RRK1 w - -\r
+solution d6\r
+id "ECM.377"\r
+go\r
+setboard 5n2/3bp1r1/1r1p3k/p1p2pNp/1nP2P1P/1PN1PB1K/P5R1/6R1 w - -\r
+solution Nf7+\r
+id "ECM.378"\r
+go\r
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -\r
+solution Bxe5+\r
+id "ECM.379"\r
+go\r
+setboard r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - -\r
+solution Bc3\r
+id "ECM.380"\r
+go\r
+setboard 2r1k2r/3b1pb1/p2ppp2/2q2P2/2p1P2p/P1N2N2/1PP1Q1PP/3R1R1K w k -\r
+solution e5\r
+id "ECM.381"\r
+go\r
+setboard 3r1rk1/1pq1bppp/p7/n2RN3/P7/1P6/1B2QPPP/R5K1 w - -\r
+solution Nd7\r
+id "ECM.382"\r
+go\r
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -\r
+solution Rxc4\r
+id "ECM.383"\r
+go\r
+setboard r3bknr/1p4pp/p3Q3/q4pb1/P1Bn4/8/1PP2PPP/R1B1R1K1 w - -\r
+solution Qd6+\r
+id "ECM.384"\r
+go\r
+setboard r1b1nrk1/p2n3p/2pp4/8/2P2q1N/1PB4P/P4PB1/R2QR1K1 w - -\r
+solution Bd5+\r
+id "ECM.385"\r
+go\r
+setboard 7k/5rp1/p1bQB2p/1p4nN/4P3/1Pq5/P5PP/3R3K b - -\r
+solution Bxe4\r
+id "ECM.386"\r
+go\r
+setboard r4r1k/1bq4p/p4bp1/3pn3/NP6/Q1PBB2P/6P1/3R1RK1 b - -\r
+solution d4\r
+id "ECM.387"\r
+go\r
+setboard r2r2k1/1bq2pb1/6pp/2P1p3/1nBpN2N/6PP/2Q2P2/3RR1K1 w - -\r
+solution Nf6+\r
+id "ECM.388"\r
+go\r
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -\r
+solution Nf6+\r
+id "ECM.389"\r
+go\r
+setboard 2k1r3/Qp3pb1/2p4p/6q1/8/1P4PN/PBPn1P2/K2R4 b - -\r
+solution Qe5\r
+id "ECM.390"\r
+go\r
+setboard r3r1k1/1pp2p1b/7p/2Q5/2PP2p1/2P1NpPq/P2R1P1P/6RK b - -\r
+solution Rxe3\r
+id "ECM.391"\r
+go\r
+setboard 5bk1/5p1p/Q5p1/1B4n1/8/2q1p3/6PP/3R2K1 b - -\r
+solution e2\r
+id "ECM.392"\r
+go\r
+setboard r5k1/1p3pp1/1p3q1p/1P1bQ3/P2P3n/8/3B1PPP/R3R1K1 b - -\r
+solution Nf3+\r
+id "ECM.393"\r
+go\r
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -\r
+solution Rxa6\r
+id "ECM.394"\r
+go\r
+setboard r5kr/p3PR1p/1p1p2pq/4n3/8/3B4/P4QPP/4R1K1 w - -\r
+solution Rxe5\r
+id "ECM.395"\r
+go\r
+setboard 2bq1b2/1p3k2/1r1p1p1p/pNpP1PpP/P1P3P1/6B1/1P5Q/2K1R3 w - -\r
+solution Re6\r
+id "ECM.396"\r
+go\r
+setboard 2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - -\r
+solution Rhg8\r
+id "ECM.397"\r
+go\r
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -\r
+solution Rxd3\r
+id "ECM.398"\r
+go\r
+setboard 2r2nk1/6pp/p1rPqp2/1pP1p3/1P6/2B3R1/1P2Q1PP/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.399"\r
+go\r
+setboard 3r2k1/pb3p1p/1q4p1/2b1P3/1Pp5/2P1p1P1/P3Q1BP/R1B4K b - -\r
+solution Qc6\r
+id "ECM.400"\r
+go\r
+setboard r2rnbk1/pp3ppp/1q4n1/3p1N2/5P2/1PQB4/PBP3PP/4RR1K w - -\r
+solution Nh6+\r
+id "ECM.401"\r
+go\r
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -\r
+solution e5\r
+id "ECM.402"\r
+go\r
+setboard r1b2rk1/pp2qp2/2nRp1p1/6Pn/1Pp5/P1N1P3/1BQ2PP1/2K2B1R w - -\r
+solution Rxh5\r
+id "ECM.403"\r
+go\r
+setboard 5rr1/pp1kq1bp/2bppn2/2p3B1/4N3/2NP2P1/PPP4P/R3QRK1 b - -\r
+solution Nxe4\r
+id "ECM.404"\r
+go\r
+setboard 1r1q1k2/R4pp1/5p1r/1p1p1n1p/3Pb2N/1BP5/2P1Q1PP/4R1K1 w - -\r
+solution Qxe4\r
+id "ECM.405"\r
+go\r
+setboard R2b2k1/2rq1n1p/3p2p1/1p1Ppp1n/1P6/1B1PQN1P/1B3PP1/6K1 w - -\r
+solution Nxe5\r
+id "ECM.406"\r
+go\r
+setboard r1b3kr/bp3ppp/p1nNp3/4P3/P1Q2P2/BBP5/5qPP/R2R3K w - -\r
+solution Nxc8\r
+id "ECM.407"\r
+go\r
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -\r
+solution Rxc4\r
+id "ECM.408"\r
+go\r
+setboard 4r1k1/1p5p/5ppP/1qnP4/r4R2/P6P/1B1Q2K1/5R2 w - -\r
+solution Rxf6\r
+id "ECM.409"\r
+go\r
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -\r
+solution e6\r
+id "ECM.410"\r
+go\r
+setboard r4rk1/1b4bp/p1npq1P1/R3p3/8/1N2BP2/1PPQ2P1/4KB1R w K -\r
+solution Qxd6\r
+id "ECM.411"\r
+go\r
+setboard 6k1/pbq2pp1/4r2p/8/3prb2/1P1Q3P/PN2BPP1/3RRK2 b - -\r
+solution Bd2\r
+id "ECM.412"\r
+go\r
+setboard 6k1/2p3p1/2b4p/p4P2/2pR2PK/2P1r2P/1B6/8 b - -\r
+solution Bg2\r
+id "ECM.413"\r
+go\r
+setboard r1b2rk1/pp2ppbp/2np1np1/q7/4P3/2N1BN2/PPPQBPPP/2KR3R b - -\r
+solution Nxe4\r
+id "ECM.414"\r
+go\r
+setboard 3r1rk1/p1q4p/1p3bp1/3bnp2/3B4/1NPB3P/P1PQ2P1/1R2R2K b - -\r
+solution Nf3\r
+id "ECM.415"\r
+go\r
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -\r
+solution Ng5\r
+id "ECM.416"\r
+go\r
+setboard 1r1q2k1/7p/2p3p1/1P1n1b1r/2BQ4/4B3/P6P/1R3RK1 w - -\r
+solution bxc6\r
+id "ECM.417"\r
+go\r
+setboard r3kbnr/1ppb3p/p1q1pp2/3p4/3P4/2N2N2/PPP2PPP/R1BQ1RK1 w kq -\r
+solution Ne5\r
+id "ECM.418"\r
+go\r
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.419"\r
+go\r
+setboard 3rr1k1/1p1qb2p/pP4p1/2p2p2/4RQ2/3P4/1PPB2PP/4R1K1 w - -\r
+solution Bc3\r
+id "ECM.420"\r
+go\r
+setboard 2b2r2/rpp2pkp/3pq3/2pR2P1/2n1P1N1/2P2B2/1P3Q1P/1K5R b - -\r
+solution Qxd5\r
+id "ECM.421"\r
+go\r
+setboard 6k1/rnqb3p/5ppQ/2pPp3/p1N1P3/2PB3P/5PP1/1R4K1 w - -\r
+solution f4\r
+id "ECM.422"\r
+go\r
+setboard 7r/pp4k1/3pn1p1/q1pB1b2/2P5/5NR1/1P3PP1/2Q3K1 w - -\r
+solution b4\r
+id "ECM.423"\r
+go\r
+setboard 5r2/4prkp/3q2p1/2pP1n2/N1Q2R2/1P4PP/P5K1/4R3 b - -\r
+solution g5\r
+id "ECM.424"\r
+go\r
+setboard B1b1rbk1/5ppp/pq6/1p2n3/2p2P2/6PP/PPQ4K/R1BR4 b - -\r
+solution Ng4+\r
+id "ECM.425"\r
+go\r
+setboard 8/2R4p/2R3bk/8/5N1P/1p3PP1/2pqP1K1/8 w - -\r
+solution g4\r
+id "ECM.426"\r
+go\r
+setboard 6k1/p4p1p/3pqp2/2p1r3/2Pnr1N1/P6P/1P1Q1PP1/3R1RK1 b - -\r
+solution Ne2+\r
+id "ECM.427"\r
+go\r
+setboard 1kqr3r/p1p4p/RpQP4/2P1p3/4B3/4Bp2/P4P1P/6K1 b - -\r
+solution Rdg8+\r
+id "ECM.428"\r
+go\r
+setboard 6k1/3Q1pp1/4p2p/p2pP3/1p1P2P1/nP1R1N2/q1r2PKP/8 w - -\r
+solution Qe8+\r
+id "ECM.429"\r
+go\r
+setboard 6k1/5pp1/p5r1/3Np2q/4P2p/1r3P1Q/n4P1P/3R2RK w - -\r
+solution Rxg6\r
+id "ECM.430"\r
+go\r
+setboard nr2rb2/3q1kpp/3p4/pnpPpNBP/2N1P3/3Q4/PP3P2/2K3RR w - -\r
+solution Nh6+\r
+id "ECM.431"\r
+go\r
+setboard r3k1r1/1pp2ppp/pb1p1qn1/4p2b/2B1P3/N1PP1NPP/PP2QPK1/R4R2 b q -\r
+solution Nh4+\r
+id "ECM.432"\r
+go\r
+setboard 1n2n1r1/r3qppk/p2p3p/3PpP1P/1P2P3/3B2RQ/3B1P1K/6R1 w - -\r
+solution Bxh6\r
+id "ECM.433"\r
+go\r
+setboard r2b4/pb2q1k1/np1p2r1/1N1Pp2Q/PPN1Pp2/8/2R2BPp/2R4K w - -\r
+solution Ncxd6\r
+id "ECM.434"\r
+go\r
+setboard r7/2qnb1kp/p2p1nP1/1p1Pp1p1/6N1/3BB2Q/PPP4P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.435"\r
+go\r
+setboard n1rqk3/1p2p3/1n1pP1p1/pP1P1p1r/3B3P/1BN3p1/3Q4/R3K2R w KQ -\r
+solution Qg5\r
+id "ECM.436"\r
+go\r
+setboard rn2kr2/pp1b1pQp/3Pp3/qB1n4/3N4/P7/1PP2PPP/2KR3R w q -\r
+solution Nxe6\r
+id "ECM.437"\r
+go\r
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -\r
+solution Bh4\r
+id "ECM.438"\r
+go\r
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -\r
+solution Bf8\r
+id "ECM.439"\r
+go\r
+setboard 4rr1k/pbp3bp/3p4/1p5q/3n4/1B1Q2B1/PP1N1N1P/4RRK1 b - -\r
+solution Rf3\r
+id "ECM.440"\r
+go\r
+setboard r3k2r/pp2ppbp/1qp5/2n2b2/2P5/4BN2/PP1QBP1P/2KR3R b kq -\r
+solution Nb3+\r
+id "ECM.441"\r
+go\r
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -\r
+solution Ng6+\r
+id "ECM.442"\r
+go\r
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -\r
+solution Qb2\r
+id "ECM.443"\r
+go\r
+setboard 2r3k1/n3qppp/1B1r1n2/N7/N4P2/1Q4PP/P5B1/R1b4K b - -\r
+solution Qe1+\r
+id "ECM.444"\r
+go\r
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -\r
+solution Qxg5+\r
+id "ECM.445"\r
+go\r
+setboard rnb2k2/ppbp2p1/2p2pB1/8/1PN5/2P5/P4PPP/R1B3K1 w - -\r
+solution Bf4\r
+id "ECM.446"\r
+go\r
+setboard 2k5/1p1b4/2n1p1r1/7q/4RP2/3BQN2/2P2K1P/8 w - -\r
+solution f5\r
+id "ECM.447"\r
+go\r
+setboard 2k3r1/1ppr3p/p1pB2q1/6n1/N3Pp2/8/PPP1Q1PP/3R1RK1 b - -\r
+solution f3\r
+id "ECM.448"\r
+go\r
+setboard r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - -\r
+solution Rxh2+\r
+id "ECM.449"\r
+go\r
+setboard 6r1/6rk/3p3p/p2Rp3/R1PqPp1b/2N2Q2/6PP/7K b - -\r
+solution Rxg2\r
+id "ECM.450"\r
+go\r
+setboard 4r1k1/1p2rq1p/2bQpp2/p1Pp4/3P4/P3RN2/5PPP/4R1K1 w - -\r
+solution Ne5\r
+id "ECM.451"\r
+go\r
+setboard b2b1r1k/3R1ppp/4qP2/4p1PQ/4P3/5B2/4N1KP/8 w - -\r
+solution g6\r
+id "ECM.452"\r
+go\r
+setboard 1k4q1/1p2Rprp/p1p5/2Pp4/1P1Q3P/6P1/P5K1/8 w - -\r
+solution Qe5+\r
+id "ECM.453"\r
+go\r
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -\r
+solution Ng6+\r
+id "ECM.454"\r
+go\r
+setboard r4r1k/p2bN2p/1p1p1p2/2q4P/3Q4/1P6/1PP3P1/1K2R2R w - -\r
+solution Ng6+\r
+id "ECM.455"\r
+go\r
+setboard 2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - -\r
+solution h4\r
+id "ECM.456"\r
+go\r
+setboard r1b2k1r/1p2qp2/pN1p1n2/2pP2pp/P2bP1P1/2N5/1P2BPP1/R2Q1RK1 b - -\r
+solution hxg4\r
+id "ECM.457"\r
+go\r
+setboard 6nk/p4rrp/1p1p1p2/1q1Pp2R/4B1P1/1PP2Q1R/P6P/7K w - -\r
+solution g5\r
+id "ECM.458"\r
+go\r
+setboard r1b1k2r/6pp/p1p1p3/3np1B1/1b2N3/8/q1PQB1PP/3RK2R w Kkq -\r
+solution Qxb4\r
+id "ECM.459"\r
+go\r
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -\r
+solution Bxh5\r
+id "ECM.460"\r
+go\r
+setboard 2r3k1/4qpp1/2p1r3/pbQpN1Pp/3P1P1P/4P3/PP6/1KR3R1 w - -\r
+solution Qxb5\r
+id "ECM.461"\r
+go\r
+setboard 4r2k/p2Q3p/2p1r1p1/4NpR1/3P4/2P1PP1b/P4q1P/6RK w - -\r
+solution Nxg6+\r
+id "ECM.462"\r
+go\r
+setboard 4r1kb/p2r4/1np1p1p1/3nP1Bp/1p3P1R/1B2qP2/PPPN3Q/2K4R w - -\r
+solution Rxh5\r
+id "ECM.463"\r
+go\r
+setboard 2rq2k1/pp1bpp1p/3p1np1/8/3NPPnQ/1BP5/P1P3P1/1K1R3R w - -\r
+solution e5\r
+id "ECM.464"\r
+go\r
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -\r
+solution Rxd5\r
+id "ECM.465"\r
+go\r
+setboard 2r1kr2/p1qbbp1Q/3pp3/5p2/1p1N1PB1/6P1/PPP4P/K2RR3 w - -\r
+solution Bxf5\r
+id "ECM.466"\r
+go\r
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -\r
+solution Rf6\r
+id "ECM.467"\r
+go\r
+setboard 2rr2k1/5pn1/1b2q1pp/pP1pP3/2pP1PP1/2R1B2P/2Q3B1/3R3K w - -\r
+solution f5\r
+id "ECM.468"\r
+go\r
+setboard 2Q2bkr/5p2/1rb5/1pN1n1qB/1P1pPN2/6P1/5P2/R1R3K1 w - -\r
+solution Nce6\r
+id "ECM.469"\r
+go\r
+setboard 2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - -\r
+solution Nc3+\r
+id "ECM.470"\r
+go\r
+setboard 2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - -\r
+solution Nxf5+\r
+id "ECM.471"\r
+go\r
+setboard 1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - -\r
+solution Ne6\r
+id "ECM.472"\r
+go\r
+setboard r7/pp4pk/2n3qp/5p2/3p4/P4QB1/1PP1RPPP/6K1 b - -\r
+solution d3\r
+id "ECM.473"\r
+go\r
+setboard 2r2r1k/1p3p1p/p2p1Pp1/3Pp3/1q2Bn1Q/8/1PP3PP/4RR1K w - -\r
+solution Rxf4\r
+id "ECM.474"\r
+go\r
+setboard r4rk1/5ppp/p7/4PR2/P1qnp2Q/4B3/1P4PP/5RK1 w - -\r
+solution Rh5\r
+id "ECM.475"\r
+go\r
+setboard 4r3/pb3pk1/6p1/8/6P1/1PNrB2K/P4P1P/2R5 b - -\r
+solution Rexe3+\r
+id "ECM.476"\r
+go\r
+setboard 1r3kr1/p3q1b1/3p2Q1/2p2p2/2P2N2/4Pn2/PB6/K2R3R w - -\r
+solution Ne6+\r
+id "ECM.477"\r
+go\r
+setboard 5r1k/6bp/3p1q2/3Q1nP1/8/6P1/PP3BKP/R2N4 b - -\r
+solution Ne3+\r
+id "ECM.478"\r
+go\r
+setboard 1r1q1k1r/Q4ppp/2B2n2/8/Pbbp4/1P4P1/2PP1P1P/R1B1K2R b KQ -\r
+solution Qe8+\r
+id "ECM.479"\r
+go\r
+setboard 5rk1/p1p1R1p1/1p5p/8/2pP1P2/3n2P1/PP2Q2P/5KNq b - -\r
+solution Nxf4\r
+id "ECM.480"\r
+go\r
+setboard r5k1/1N3ppp/4b3/1Nq5/Pn3pn1/5B2/1PPQ3P/R6K b - -\r
+solution Qxb5\r
+id "ECM.481"\r
+go\r
+setboard 1r2k2r/1bq2pp1/pn2p2p/1p2P1b1/3N4/2N3Q1/PPP3PP/1K1R1BR1 w k -\r
+solution Bxb5+\r
+id "ECM.482"\r
+go\r
+setboard r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - -\r
+solution Nxh6\r
+id "ECM.483"\r
+go\r
+setboard 2r2r2/p4p1k/1p2pBpn/2p5/6N1/8/P4P2/R3R1K1 w - -\r
+solution Kg2\r
+id "ECM.484"\r
+go\r
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -\r
+solution Bg5\r
+id "ECM.485"\r
+go\r
+setboard 3rn1k1/pp3ppp/6b1/2p1Q3/2P1P3/P4P2/1B1qBP1P/1R5K w - -\r
+solution Rd1\r
+id "ECM.486"\r
+go\r
+setboard 4r1k1/5ppp/p1q3b1/1ppNr3/2P1P3/1P4QP/P4PP1/4RRK1 w - -\r
+solution f4\r
+id "ECM.487"\r
+go\r
+setboard 2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - -\r
+solution Bh3\r
+id "ECM.488"\r
+go\r
+setboard 2b3k1/5qp1/p2r1n1p/3p4/3B4/1RP3QP/P2Nr1P1/3R2K1 b - -\r
+solution Ne4\r
+id "ECM.489"\r
+go\r
+setboard 6k1/5rp1/4Nb1p/2p5/4Q3/1r5P/q5P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.490"\r
+go\r
+setboard 1r2r1k1/p4ppb/q1pbnn1p/4p3/N1P1P3/pPB2NP1/2Q1RPBP/R5K1 b - -\r
+solution Nxe4\r
+id "ECM.491"\r
+go\r
+setboard r4r2/1pnqb2k/3p1p1p/p1pPpPpP/2P1N1P1/4BP2/PP1Q4/R2R2K1 w - -\r
+solution Bxc5\r
+id "ECM.492"\r
+go\r
+setboard rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - -\r
+solution Nf6+\r
+id "ECM.493"\r
+go\r
+setboard 6kr/1p1r1p1p/p2pnPpQ/3Np2R/2q1P3/5P2/PPP5/2KR4 w - -\r
+solution Rxe5\r
+id "ECM.494"\r
+go\r
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -\r
+solution Nd6\r
+id "ECM.495"\r
+go\r
+setboard r2q1rk1/pp1n2pp/2pb4/1P1p3n/P1PPpP2/4P2b/1BNNBP1P/R2QR1K1 b - -\r
+solution Nxf4\r
+id "ECM.496"\r
+go\r
+setboard rq1r2k1/3nbp1p/p2p2p1/1p1Pp1P1/3B1P2/3B3Q/PPP4P/2KR2R1 w - -\r
+solution f5\r
+id "ECM.497"\r
+go\r
+setboard r4rk1/1bq1bppp/8/p2pPR2/3B4/1NnP3Q/1P4PP/4R1K1 w - -\r
+solution Rh5\r
+id "ECM.498"\r
+go\r
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -\r
+solution Nxh5\r
+id "ECM.499"\r
+go\r
+setboard r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - -\r
+solution f3\r
+id "ECM.500"\r
+go\r
+setboard 4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - -\r
+solution Nxf3\r
+id "ECM.501"\r
+go\r
+setboard r2qkr2/1p3pQp/2p1b3/1B1pN3/1p6/8/1P1K1PPP/2B1R3 w q -\r
+solution Nxc6\r
+id "ECM.502"\r
+go\r
+setboard r3rk2/pb2bpp1/1n5p/q1pP1B2/1p3B2/5N2/PPQ2PPP/R2R2K1 w - -\r
+solution Bc8\r
+id "ECM.503"\r
+go\r
+setboard r1bqr2k/ppp2p1p/5b2/3Pn1p1/1PP1Bp2/8/PB2N1PP/R2Q1RK1 w - -\r
+solution Nxf4\r
+id "ECM.504"\r
+go\r
+setboard 1q4k1/p3rppp/3b1n2/8/5P2/4P3/PP1B3P/RNQ3K1 b - -\r
+solution Bxf4\r
+id "ECM.505"\r
+go\r
+setboard r3k2r/1p1b1p2/p3p3/2b3p1/4N1n1/1B5P/PPP3P1/R1B2R1K b kq -\r
+solution Bc6\r
+id "ECM.506"\r
+go\r
+setboard r3kb1r/npqbpp1p/p3n1p1/P3P3/6N1/3B1NB1/1PP3PP/R3QRK1 w kq -\r
+solution Ng5\r
+id "ECM.507"\r
+go\r
+setboard 7k/p6p/4bppb/1N6/P2p1p2/1PrP2P1/2r1P2P/1R1Q2K1 b - -\r
+solution f3\r
+id "ECM.508"\r
+go\r
+setboard 2kr4/pp1r1pp1/4n1p1/4R3/2Pp1qP1/3P2QP/5PB1/1R4K1 w - -\r
+solution Rc5+\r
+id "ECM.509"\r
+go\r
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -\r
+solution Rxe6\r
+id "ECM.510"\r
+go\r
+setboard r2qkn1r/pb2bp2/1pp1p3/5p1p/2BPN3/5NQ1/PPP2PPP/1K1RR3 w kq -\r
+solution d5\r
+id "ECM.511"\r
+go\r
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -\r
+solution Nxf5\r
+id "ECM.512"\r
+go\r
+setboard 3r3k/p4npp/1p2qpb1/4P3/5P2/P3N3/1B2QP1P/6RK w - -\r
+solution exf6\r
+id "ECM.513"\r
+go\r
+setboard 6rk/1b2bp1p/ppq1p3/2p1Pp2/P1Br1P2/1PNR2P1/2P1QK1P/6R1 b - -\r
+solution Rxf4+\r
+id "ECM.514"\r
+go\r
+setboard r3r1k1/p1q2pp1/b1pb3p/n7/B3n3/2P1BN2/PP1N1PPP/R2QK2R b KQ -\r
+solution Nxc3\r
+id "ECM.515"\r
+go\r
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -\r
+solution Bxf6\r
+id "ECM.516"\r
+go\r
+setboard r5n1/pppb1B2/2k1pb2/3p2B1/5P2/2N5/PPP3P1/2KR4 w - -\r
+solution Nxd5\r
+id "ECM.517"\r
+go\r
+setboard 2b2q2/r2n2kp/1n1p1pp1/p1pP4/1pP1NPN1/1P1B4/P5PP/Q3R1K1 w - -\r
+solution Nexf6\r
+id "ECM.518"\r
+go\r
+setboard 1k1r2r1/p1p3q1/2p2p2/3pn3/1P1b2bB/1QN5/P4PPP/1R2RBK1 b - -\r
+solution Nf3+\r
+id "ECM.519"\r
+go\r
+setboard r3k2r/1bq1bp1p/p2p1np1/1p2p3/3NP3/P1N2QB1/1PP2PPP/3RR1K1 w kq -\r
+solution Ndxb5\r
+id "ECM.520"\r
+go\r
+setboard r2q4/5p1P/2p1bR2/ppk1p1P1/3pB2Q/8/PPP5/6K1 w - -\r
+solution g6\r
+id "ECM.521"\r
+go\r
+setboard r3kb1r/pp1b1pp1/4p3/2q3Qp/5B2/2PB4/P4PPP/R3R1K1 w kq -\r
+solution Rxe6+\r
+id "ECM.522"\r
+go\r
+setboard 1rbr2k1/p4pp1/5b1p/2p1p3/3qPP2/1PNB2PP/PKP2Q2/5R1R b - -\r
+solution c4\r
+id "ECM.523"\r
+go\r
+setboard r3r1k1/p6p/bp4p1/2bPN3/6n1/6P1/PB2RPB1/3R2K1 w - -\r
+solution d6\r
+id "ECM.524"\r
+go\r
+setboard 2bk3r/3r2pp/p2nQ3/q2R2P1/1p6/8/PPP2P1P/1K3B1R b - -\r
+solution Qxd5\r
+id "ECM.525"\r
+go\r
+setboard 3r1k2/1q1r1pp1/3p2bp/p2N4/8/2P1RQ1P/P4PP1/4R1K1 w - -\r
+solution Nf6\r
+id "ECM.526"\r
+go\r
+setboard 3q3r/p2r1pkp/bp1N1np1/n2p4/5Q2/B1P5/P4PPP/R3R1K1 w - -\r
+solution Nf5+\r
+id "ECM.527"\r
+go\r
+setboard r4Nk1/1p2pp1p/p1np2p1/3N4/P3PPn1/8/1bPKBqPP/R2Q1R2 b - -\r
+solution Qd4+\r
+id "ECM.528"\r
+go\r
+setboard 1kb3rr/1p2n2q/1Np2p2/1p6/1P1N1P1p/8/2P1RQPP/R6K w - -\r
+solution Nxb5\r
+id "ECM.529"\r
+go\r
+setboard r3r1k1/p3Rp1p/1qp1bQ2/8/1p1P4/3R4/PP3PPP/6K1 w - -\r
+solution Rg3+\r
+id "ECM.530"\r
+go\r
+setboard rn4k1/pp2rpb1/2pNb1pp/4p3/P3Pq2/2P2N1P/1PB1QPP1/R3R1K1 w - -\r
+solution Nf5\r
+id "ECM.531"\r
+go\r
+setboard 3r1rk1/pp3ppp/8/2p5/4PB1n/P1P2qPP/Q3RP1K/6R1 b - -\r
+solution Qg2+\r
+id "ECM.532"\r
+go\r
+setboard r4rn1/ppp1q3/2bp2kp/6P1/3QpP2/2N5/PPP1B3/2KR3R w - -\r
+solution f5+\r
+id "ECM.533"\r
+go\r
+setboard 3qr2r/1p1bppk1/3p2p1/p1nP1PQp/3N3R/1P4PP/P1P3BK/4R3 w - -\r
+solution Ne6+\r
+id "ECM.534"\r
+go\r
+setboard 2rq1rk1/1b1nbpp1/1p5p/p2pNB2/3p1N2/4P3/PPQ2PPP/2RR2K1 w - -\r
+solution Bh7+\r
+id "ECM.535"\r
+go\r
+setboard 8/5pkp/2pp2p1/4P3/1P2P3/2QBq2P/2PnNnPK/8 b - -\r
+solution Nf1+\r
+id "ECM.536"\r
+go\r
+setboard r3r2k/pb2q1p1/1p2Nn1p/2b5/2B5/2P2P2/PPQ3PP/4RR1K w - -\r
+solution Nf4\r
+id "ECM.537"\r
+go\r
+setboard r1b2nk1/ppq2ppp/8/1BP1p1NQ/5p2/8/PP3PPP/3R2K1 w - -\r
+solution Rd7\r
+id "ECM.538"\r
+go\r
+setboard 6k1/5qp1/pN5p/3pRp2/3QnP2/2r4P/r5P1/6RK b - -\r
+solution Qh5\r
+id "ECM.539"\r
+go\r
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -\r
+solution Nf5+\r
+id "ECM.540"\r
+go\r
+setboard 6rk/p2b4/3p1Nqp/2pPpn2/P1P4p/5P1P/Q2B1NP1/6RK b - -\r
+solution Ng3+\r
+id "ECM.541"\r
+go\r
+setboard r4r1k/pppb2pp/8/3q4/2N5/P1P2nQ1/BP2R2P/R6K b - -\r
+solution Ne1+\r
+id "ECM.542"\r
+go\r
+setboard r5rk/1pp1n1pp/p1n1b1q1/3p1p2/7R/2QB1N2/PB3PPP/4R1K1 w - -\r
+solution Rxe6\r
+id "ECM.543"\r
+go\r
+setboard 8/4Ppk1/6p1/1p6/1Pb1Q3/6pq/8/6K1 w - -\r
+solution Qe5+\r
+id "ECM.544"\r
+go\r
+setboard 3R4/4Qpk1/4p1p1/7p/7K/5rP1/5P2/2q5 w - -\r
+solution Qf8+\r
+id "ECM.545"\r
+go\r
+setboard 8/5pk1/p6p/2R5/3q2p1/6P1/2Q3PK/4r3 w - -\r
+solution Rg5+\r
+id "ECM.546"\r
+go\r
+setboard 1Q4R1/8/P1b2p2/2p2k2/2P5/5p2/1r5P/4R1K1 b - -\r
+solution f2+\r
+id "ECM.547"\r
+go\r
+setboard 5r1k/1q2R3/8/6Q1/8/8/6P1/7K b - -\r
+solution Rf1+\r
+id "ECM.548"\r
+go\r
+setboard 8/4p3/8/3P3p/P2pK3/6P1/7b/3k4 w - -\r
+solution d6\r
+id "ECM.549"\r
+go\r
+setboard 3Q4/k3K3/q7/2N1P3/1P6/5r2/8/8 b - -\r
+solution Rf7+\r
+id "ECM.550"\r
+go\r
+setboard 3k4/p1p5/8/2p1p3/4P3/PpPP2K1/1P6/8 b - -\r
+solution c4\r
+id "ECM.551"\r
+go\r
+setboard 6r1/5p1k/4p3/3pQp2/1p1P1P1q/1P3RR1/7r/5K2 w - -\r
+solution Rxg8\r
+id "ECM.552"\r
+go\r
+setboard r1b2rk1/ppp2ppp/2n3q1/b2N2N1/2BP4/4p2P/PPP3P1/R2Q1RK1 w - -\r
+solution Nxf7\r
+id "ECM.553"\r
+go\r
+setboard 1r4k1/3qb2p/pr1pppn1/2p2N2/2P2PQ1/1P4P1/P2R2BP/R5K1 w - -\r
+solution Bd5\r
+id "ECM.554"\r
+go\r
+setboard r6r/pR1nqkpp/2p1p3/3p4/6Q1/2b4P/P1PP1PP1/2B1R1K1 w - -\r
+solution Rxe6\r
+id "ECM.555"\r
+go\r
+setboard 1k1r3r/ppq2pnp/1npbb1p1/3p4/3P1NP1/2NBP2P/PPQ2P1B/1KR4R w - -\r
+solution Nb5\r
+id "ECM.556"\r
+go\r
+setboard 5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - -\r
+solution Bxh4\r
+id "ECM.557"\r
+go\r
+setboard r5r1/4q2k/p2p3p/5p2/4p3/P2QR3/1PP2PPP/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.558"\r
+go\r
+setboard r1b2rk1/4bnpp/2p5/pp2q3/4N3/PQ2B1P1/1PP3BP/4RRK1 w - -\r
+solution Ng5\r
+id "ECM.559"\r
+go\r
+setboard 2rr2k1/1p3p2/p2n2p1/P2PnNq1/3QP1p1/1RN5/6PP/5RK1 b - -\r
+solution Nf3+\r
+id "ECM.560"\r
+go\r
+setboard r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q -\r
+solution Nxe4\r
+id "ECM.561"\r
+go\r
+setboard 2r2rk1/pp2bppp/3q1n2/3nNRB1/3P4/1B5Q/PP4PP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.562"\r
+go\r
+setboard r1bq1rk1/1pp2ppn/1pnp3p/3N4/2B1PN2/3P4/PPP3PP/R2Q1RK1 w - -\r
+solution Ng6\r
+id "ECM.563"\r
+go\r
+setboard r1b2rk1/pp3p1p/2pq2pn/2nNN3/2B1QP2/8/P1PP2PP/R1B1K2R w KQ -\r
+solution Nxf7\r
+id "ECM.564"\r
+go\r
+setboard 1r2r1k1/1bn2pbp/pp1q1np1/2pPN1B1/P1B5/2N4P/1P1Q1PP1/R3R1K1 w - -\r
+solution Nxf7\r
+id "ECM.565"\r
+go\r
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -\r
+solution Rxc5\r
+id "ECM.566"\r
+go\r
+setboard r1b3k1/2pq2pp/p4p2/1p1Nr3/2n2R2/1B6/PPQ2PPP/R5K1 w - -\r
+solution Rxc4\r
+id "ECM.567"\r
+go\r
+setboard 2rq1rk1/3bbppp/p3pn2/1p1pN3/2nP1B2/P1NBP2Q/1P3PPP/2R2RK1 w - -\r
+solution Nxd5\r
+id "ECM.568"\r
+go\r
+setboard 2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - -\r
+solution Nxc1\r
+id "ECM.569"\r
+go\r
+setboard 1r4nk/3b2bp/3p4/3P3p/2pNPq2/P1N2p1P/1P3Q2/1R4KR b - -\r
+solution Rxb2\r
+id "ECM.570"\r
+go\r
+setboard 2r5/p3kpp1/P2p4/1P2pP1p/1P2PqnP/6R1/r2N2P1/3RQ1K1 b - -\r
+solution Rxd2\r
+id "ECM.571"\r
+go\r
+setboard 2br2k1/1p2qppp/r1n1p3/pQ1nN3/P2P4/2B3P1/1P3PBP/2RR2K1 w - -\r
+solution Qxa6\r
+id "ECM.572"\r
+go\r
+setboard 5rk1/3q2bp/3pb2r/1p1n1p2/3p1P2/P2B1QN1/1P1B2PP/2R1R1K1 w - -\r
+solution Nxf5\r
+id "ECM.573"\r
+go\r
+setboard 4r1k1/1ppQr1p1/1p1p1pP1/3P3p/7P/1P3q2/P1P5/1KRR4 w - -\r
+solution Re1\r
+id "ECM.574"\r
+go\r
+setboard 2Rr2k1/7p/4pqp1/p4p2/1p1P1Q1P/8/PP3PP1/6K1 w - -\r
+solution Qe5\r
+id "ECM.575"\r
+go\r
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -\r
+solution Rc1\r
+id "ECM.576"\r
+go\r
+setboard 5rk1/bp4p1/p2rp2p/8/8/2PN4/PP1R1PPP/3R2K1 b - -\r
+solution e5\r
+id "ECM.577"\r
+go\r
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -\r
+solution Bh3\r
+id "ECM.578"\r
+go\r
+setboard n1bq3k/pp4bp/6p1/5pP1/3p1P2/1B1P4/PB3Q1P/4R1K1 w - -\r
+solution Bxd4\r
+id "ECM.579"\r
+go\r
+setboard r3r1k1/p2n4/3p1pp1/qnp3B1/1p2P1P1/1P3P2/PP2N2Q/1K1R1B2 w - -\r
+solution Nf4\r
+id "ECM.580"\r
+go\r
+setboard 6k1/pb3ppp/1p2p3/4P3/5P2/P1r5/1q4PP/1B2Q1RK b - -\r
+solution Rc1\r
+id "ECM.581"\r
+go\r
+setboard 2rq1kbR/4R1p1/3p3r/pp1P1Pp1/6P1/3B4/PPP1Q3/6K1 w - -\r
+solution f6\r
+id "ECM.582"\r
+go\r
+setboard 2r5/5kb1/4ppp1/pp1qB3/2rP4/1RP2R1Q/P4PP1/6K1 b - -\r
+solution Rh8\r
+id "ECM.583"\r
+go\r
+setboard 4k3/4Bp2/1p2nP1P/2p5/2K1b1B1/8/P7/8 w - -\r
+solution Bf3\r
+id "ECM.584"\r
+go\r
+setboard 3rr1k1/ppp1qp1p/3b2p1/4np1P/1P1N1Pn1/P1P4R/1B1NB3/R2Q1K2 b - -\r
+solution Nf3\r
+id "ECM.585"\r
+go\r
+setboard 1k1r3r/ppqb4/5Ppp/3p4/P2np3/3BR1Q1/2PB1PPP/R5K1 w - -\r
+solution Rxe4\r
+id "ECM.586"\r
+go\r
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -\r
+solution Nxc6\r
+id "ECM.587"\r
+go\r
+setboard 8/2R2pbk/6pp/1p2pq2/1P2Qn2/3P3P/3B1PP1/r3N1K1 b - -\r
+solution Nxd3\r
+id "ECM.588"\r
+go\r
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -\r
+solution h3\r
+id "ECM.589"\r
+go\r
+setboard r2b1rnk/1p4qp/p1p1b1p1/2PpNp2/PP1PnP1Q/3BB2R/4N1PP/R6K w - -\r
+solution Qxh7+\r
+id "ECM.590"\r
+go\r
+setboard r1b2rk1/1p3pbp/2p3p1/p1q5/1P6/1Q4P1/1P2PPBP/R1B1R1K1 b - -\r
+solution Be6\r
+id "ECM.591"\r
+go\r
+setboard 4r1k1/r1q2p1p/p5pB/1pbBpN1n/1n2P3/5Q2/PP3PPP/R1R3K1 w - -\r
+solution Rxc5\r
+id "ECM.592"\r
+go\r
+setboard r1r3k1/ppnbb1pp/2ppp1q1/1P3p2/P1PPn3/2N2NP1/2Q1PPBP/1RB2RK1 w - -\r
+solution Nxe4\r
+id "ECM.593"\r
+go\r
+setboard r1b1k2r/2q1bppp/p3p3/1p1nP1B1/3Q4/2N5/PPP1B1PP/2KR3R w kq -\r
+solution Bxe7\r
+id "ECM.594"\r
+go\r
+setboard 1rb1r1k1/p1p1qppp/2pb4/8/2P3n1/4P1P1/PB2BP1P/R1QN1RK1 b - -\r
+solution Nxh2\r
+id "ECM.595"\r
+go\r
+setboard 2rqk1nr/pp3ppp/2n1p3/2b5/3N4/2NQB1P1/PP2PPKP/R4R2 w k -\r
+solution Nxe6\r
+id "ECM.596"\r
+go\r
+setboard rnb2rk1/pp4pp/2pb1n2/3N1p1q/2P5/3N2P1/P1Q1PPBP/R1B2RK1 w - -\r
+solution Bf4\r
+id "ECM.597"\r
+go\r
+setboard 8/8/1p1k4/5ppp/PPK1p3/6P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.598"\r
+go\r
+setboard 8/5pp1/7p/5P1P/2p3P1/2k5/5P2/2K5 w - -\r
+solution f6\r
+id "ECM.599"\r
+go\r
+setboard 7k/8/1p1ppp1p/1Pp5/2P2P2/8/3P2PP/6K1 w - -\r
+solution f5\r
+id "ECM.600"\r
+go\r
+setboard 8/p5k1/2p2p2/4p1p1/1p2P3/1P4PP/1PP5/5K2 b - -\r
+solution g4\r
+id "ECM.601"\r
+go\r
+setboard 8/5K2/kp6/p1p5/P2p4/1P3P2/2P5/8 b - -\r
+solution b5\r
+id "ECM.602"\r
+go\r
+setboard 8/2k3p1/2p4p/5P2/2K3PP/8/8/8 w - -\r
+solution g5\r
+id "ECM.603"\r
+go\r
+setboard 8/1kp1b3/1p4K1/4P2p/P1P3p1/5pP1/P4P2/4B3 b - -\r
+solution h4\r
+id "ECM.604"\r
+go\r
+setboard 8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - -\r
+solution g5\r
+id "ECM.605"\r
+go\r
+setboard 8/8/3K1k2/5p1p/4p1p1/4P1P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.606"\r
+go\r
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -\r
+solution Bxg6\r
+id "ECM.607"\r
+go\r
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -\r
+solution Rxc6\r
+id "ECM.608"\r
+go\r
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -\r
+solution f6\r
+id "ECM.609"\r
+go\r
+setboard 2kr3r/ppp1qpp1/2p5/2b2b2/2P1pPP1/1P2P1p1/PBQPB3/RN2K1R1 b Q -\r
+solution Rh1\r
+id "ECM.610"\r
+go\r
+setboard 1r3qk1/pb3p1p/1pn2PpQ/2pN4/3r4/5B2/PPP4P/4RRK1 w - -\r
+solution Ne7+\r
+id "ECM.611"\r
+go\r
+setboard 4r1k1/5p1p/3q2p1/1p1P4/1P6/2p4P/2Q1nPB1/4RK2 b - -\r
+solution Ng3+\r
+id "ECM.612"\r
+go\r
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -\r
+solution e5\r
+id "ECM.613"\r
+go\r
+setboard 5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -\r
+solution Qxf7+\r
+id "ECM.614"\r
+go\r
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -\r
+solution b5\r
+id "ECM.615"\r
+go\r
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -\r
+solution Rxa6\r
+id "ECM.616"\r
+go\r
+setboard 3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - -\r
+solution Rxa6\r
+id "ECM.617"\r
+go\r
+setboard 8/p3q1k1/6p1/1p3nP1/2pp1QBr/P2P4/1PP2K2/R7 b - -\r
+solution Qe3+\r
+id "ECM.618"\r
+go\r
+setboard 7k/4b2p/5p1P/5PP1/1pNp1P2/1P1B4/2P2K2/r7 w - -\r
+solution g6\r
+id "ECM.619"\r
+go\r
+setboard 5r1k/1p1b2rP/p2p4/3P3B/P2P4/5pP1/1P2pP2/R3R1K1 b - -\r
+solution Rxg3+\r
+id "ECM.620"\r
+go\r
+setboard 6B1/2p2pp1/2p5/p3K3/1k6/nP4P1/5P1P/8 b - -\r
+solution Nc4+\r
+id "ECM.621"\r
+go\r
+setboard 3q1k2/5p2/p5pN/1b2Q2P/8/8/5PPK/8 w - -\r
+solution Qh8+\r
+id "ECM.622"\r
+go\r
+setboard 6k1/p3b1pp/4p3/4Pp2/Pp1r1P1P/1P4P1/2p2R2/5RK1 b - -\r
+solution Rc4\r
+id "ECM.623"\r
+go\r
+setboard 4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - -\r
+solution Qe6\r
+id "ECM.624"\r
+go\r
+setboard 2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - -\r
+solution Nxe6\r
+id "ECM.625"\r
+go\r
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -\r
+solution Ba6\r
+id "ECM.626"\r
+go\r
+setboard 3rr1k1/pppRn1pp/4Pp2/1P5q/1QB5/4P3/P4P1P/4K1R1 w - -\r
+solution Qxe7\r
+id "ECM.627"\r
+go\r
+setboard rn1q2k1/pp3pb1/3p2pp/2pP2N1/3r1P2/7Q/PP4PP/R1B2RK1 w - -\r
+solution Nxf7\r
+id "ECM.628"\r
+go\r
+setboard 8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - -\r
+solution b2+\r
+id "ECM.629"\r
+go\r
+setboard 5bk1/r4ppp/1r1P1n2/2p2N2/b7/2B3P1/5PBP/R3R1K1 w - -\r
+solution Bxf6\r
+id "ECM.630"\r
+go\r
+setboard 8/8/8/P2k1p2/2N5/1pb2P2/4P3/2K5 w - -\r
+solution a6\r
+id "ECM.631"\r
+go\r
+setboard 3qr1k1/p4ppp/1p1P4/2r1nN2/4P2n/P7/1B4P1/3QRRK1 w - -\r
+solution d7\r
+id "ECM.632"\r
+go\r
+setboard 6k1/5pbp/6p1/2p1r3/1pPr4/3n2NP/1PB2PP1/1R1R2K1 b - -\r
+solution Nxb2\r
+id "ECM.633"\r
+go\r
+setboard 4r3/p4pk1/6p1/P1pB2Pp/2P3b1/2p1N1P1/Qb1r1P2/6K1 b - -\r
+solution Rxe3\r
+id "ECM.634"\r
+go\r
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -\r
+solution Nxa7\r
+id "ECM.635"\r
+go\r
+setboard r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - -\r
+solution Rxf6\r
+id "ECM.636"\r
+go\r
+setboard r3qr1k/1b4pp/p2RQ3/Bp2p3/4p3/6P1/PPP2P1P/3R2K1 b - -\r
+solution Qh5\r
+id "ECM.637"\r
+go\r
+setboard 8/6kP/6p1/1p1pP3/pP6/P1n2K2/2N5/8 w - -\r
+solution e6\r
+id "ECM.638"\r
+go\r
+setboard 8/Pb6/8/8/7K/5k1p/6pB/8 b - -\r
+solution g1=Q\r
+id "ECM.639"\r
+go\r
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -\r
+solution Rxb2\r
+id "ECM.640"\r
+go\r
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -\r
+solution cxb6\r
+id "ECM.641"\r
+go\r
+setboard 6k1/p4pbp/Bp2p1p1/n2P4/q3P3/B1rQP3/P5PP/5RK1 w - -\r
+solution dxe6\r
+id "ECM.642"\r
+go\r
+setboard 5r2/R4p2/5P1k/4PK2/1p6/8/8/8 w - -\r
+solution Rxf7\r
+id "ECM.643"\r
+go\r
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -\r
+solution f5\r
+id "ECM.644"\r
+go\r
+setboard 1r6/3r1Pk1/p2p1np1/5q2/1p3P2/1B5R/PPP4Q/1K1R4 w - -\r
+solution Rh8\r
+id "ECM.645"\r
+go\r
+setboard 8/2k5/2p5/2pb2K1/pp4P1/1P1R4/P7/8 b - -\r
+solution Bxb3\r
+id "ECM.646"\r
+go\r
+setboard 2r5/1r5k/1P3p2/PR2pP1p/4P2p/2p1BP2/1p2n3/4R2K b - -\r
+solution Nd4\r
+id "ECM.647"\r
+go\r
+setboard 4r2k/p2qr1pp/1pp2p2/2p1nP1N/4R3/1P1P2RP/1PP2QP1/7K w - -\r
+solution Rxg7\r
+id "ECM.648"\r
+go\r
+setboard 6k1/p4p2/5Ppp/3RP3/Pr4P1/2p2K2/7P/8 w - -\r
+solution Rd8+\r
+id "ECM.649"\r
+go\r
+setboard 8/1R2P3/6k1/3B4/2P2P2/1p2r3/1Kb4p/8 w - -\r
+solution Be6\r
+id "ECM.650"\r
+go\r
+setboard 2kr2r1/pp2bQ1p/2b1P3/2qN4/8/1B2p2P/PPP3P1/3R1R1K b - -\r
+solution e2\r
+id "ECM.651"\r
+go\r
+setboard r1b2rk1/1p2qppp/p3p3/2n5/3N4/3B1R2/PPP1Q1PP/R5K1 w - -\r
+solution Bxh7+\r
+id "ECM.652"\r
+go\r
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -\r
+solution Bb5\r
+id "ECM.653"\r
+go\r
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.654"\r
+go\r
+setboard 6rk/3nrpbp/p1bq1npB/1p2p1N1/4P1PQ/P2B3R/1PP1N2P/5R1K w - -\r
+solution Nxh7\r
+id "ECM.655"\r
+go\r
+setboard 1rb2rk1/3nqppp/p1n1p3/1p1pP3/5P2/2NBQN2/PPP3PP/2KR3R w - -\r
+solution Bxh7+\r
+id "ECM.656"\r
+go\r
+setboard 2k5/ppp3pp/8/NQ2n2q/2Pp1n2/R4bP1/1P3P1P/4R1K1 b - -\r
+solution Qxh2+\r
+id "ECM.657"\r
+go\r
+setboard 5rrk/1p3qpp/p3pn2/2PpBp2/3P1P1Q/P1P1R2R/2b1B1PP/6K1 w - -\r
+solution Qxh7+\r
+id "ECM.658"\r
+go\r
+setboard r4rk1/1bq2ppp/p1p1p3/2b1P1B1/3p2Q1/3B4/PPP2PPP/R3R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.659"\r
+go\r
+setboard r4rk1/pb1q1ppp/2N1p3/2Rn4/3P4/3BPQ2/1P3PPP/2R3K1 w - -\r
+solution Bxh7+\r
+id "ECM.660"\r
+go\r
+setboard r5rk/1p1q1p1p/5pn1/p2p1N1Q/3P2P1/PP2R3/5P1P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.661"\r
+go\r
+setboard 2r2r2/p2qppkp/3p2p1/3P1P2/2n2R2/7R/P5PP/1B1Q2K1 w - -\r
+solution Rxh7+\r
+id "ECM.662"\r
+go\r
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -\r
+solution Rxh7\r
+id "ECM.663"\r
+go\r
+setboard 4rrk1/2q1bppp/p2p4/1p1Pn3/3B1R2/P2B2Q1/1PP3PP/5R1K w - -\r
+solution Bxh7+\r
+id "ECM.664"\r
+go\r
+setboard r1b2rk1/2q1bppp/p1n1p3/1p1np1P1/5P2/1NNBBQ2/PPP4P/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.665"\r
+go\r
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -\r
+solution Nxh7\r
+id "ECM.666"\r
+go\r
+setboard r4rk1/pp2q1p1/4b2p/2ppb3/6n1/2P3N1/PPQBBPPP/R4RK1 b - -\r
+solution Nxh2\r
+id "ECM.667"\r
+go\r
+setboard b3r1k1/2rN1ppp/2n1p3/p7/P3BP2/1R6/q1P2QPP/3R2K1 w - -\r
+solution Bxh7+\r
+id "ECM.668"\r
+go\r
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -\r
+solution Qxh7+\r
+id "ECM.669"\r
+go\r
+setboard r1b1rnk1/pp1nb1pp/2p1pp2/q3N3/2PP1P2/3BP1N1/PBQ3PP/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.670"\r
+go\r
+setboard 4r1k1/2q2r1p/p3bQ2/1p4Bp/2np4/8/PPB2PP1/3RR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.671"\r
+go\r
+setboard 5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - -\r
+solution Bxh7+\r
+id "ECM.672"\r
+go\r
+setboard 2rqr1k1/1p1bbppp/p3p3/n7/3P2Q1/2PB1N2/P4PPP/R1B1R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.673"\r
+go\r
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -\r
+solution Nxh7\r
+id "ECM.674"\r
+go\r
+setboard rn1q1rk1/pb1p1ppp/4p3/2pnP3/1bp5/2N2N2/PP3PPP/RBBQK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.675"\r
+go\r
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -\r
+solution Rxh7\r
+id "ECM.676"\r
+go\r
+setboard r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.677"\r
+go\r
+setboard rnq3rk/4bp1p/p1p3pQ/1p1pP3/1P1N1B2/2P3R1/1P3PPP/R5K1 w - -\r
+solution e6\r
+id "ECM.678"\r
+go\r
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -\r
+solution Nxh7\r
+id "ECM.679"\r
+go\r
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.680"\r
+go\r
+setboard 1r2nrkb/2n2p1p/p2p1Pp1/P1pPp1P1/1pP1P1q1/1P1BB1N1/3Q4/2KR3R w - -\r
+solution Rxh7\r
+id "ECM.681"\r
+go\r
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -\r
+solution Bxh7+\r
+id "ECM.682"\r
+go\r
+setboard r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 b - -\r
+solution Rxh2\r
+id "ECM.683"\r
+go\r
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -\r
+solution Nxh7\r
+id "ECM.684"\r
+go\r
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -\r
+solution Rxh7\r
+id "ECM.685"\r
+go\r
+setboard r2qn1k1/pb4Pp/1pn5/2p5/2P2p2/P1PB4/5PPP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.686"\r
+go\r
+setboard r4rk1/pp1n1ppp/3qp3/3nN1P1/b2P4/P2B1Q2/3B1P1P/1R2R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.687"\r
+go\r
+setboard r2r2k1/ppqbbppp/4pn2/6N1/n1P4P/3B1N2/PP2QPP1/1KBR3R w - -\r
+solution Nxh7\r
+id "ECM.688"\r
+go\r
+setboard r5k1/6bp/2q1p1p1/p2pP3/3P4/1rP2QP1/3B1PK1/2R4R w - -\r
+solution Rxh7\r
+id "ECM.689"\r
+go\r
+setboard r6r/4ppk1/p2p1bp1/B2p4/3P2p1/QP2P3/P1R1qPPP/2R3K1 b - -\r
+solution Rxh2\r
+id "ECM.690"\r
+go\r
+setboard 4nrk1/r4p1p/p2p2pQ/2pPpNPP/qpn1P3/5P1R/PPP1N3/2K3R1 w - -\r
+solution Qxh7+\r
+id "ECM.691"\r
+go\r
+setboard r3k2r/1b1n1p2/pq1p1bp1/1p4p1/P3P3/1NN5/1PP3PP/R2QRB1K b kq -\r
+solution Rxh2+\r
+id "ECM.692"\r
+go\r
+setboard r2qrnk1/4bppp/b1p5/1p1p2P1/p2P1N1P/2NBP3/PPQ2P2/2K3RR w - -\r
+solution Bxh7+\r
+id "ECM.693"\r
+go\r
+setboard rn1q1rk1/pppbb1pp/4p3/3pP1p1/3P3P/2NB4/PPP2PP1/R2QK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.694"\r
+go\r
+setboard 1r2nr1k/6pp/pp1p1p2/2pPnN2/q1P1PB2/5PR1/4K1P1/2Q4R w - -\r
+solution Bxe5\r
+id "ECM.695"\r
+go\r
+setboard 3r1rk1/4qp1p/p1bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -\r
+solution Bxh2+\r
+id "ECM.696"\r
+go\r
+setboard r2q1rk1/3n1ppp/8/1pbP2P1/p1N4P/PnBBPQ2/5P2/R3K2R w KQ -\r
+solution Bxh7+\r
+id "ECM.697"\r
+go\r
+setboard 2k3r1/ppq2p1p/n1Pb1p2/8/6r1/4BN1b/PPQ2PPP/R3RBK1 b - -\r
+solution Bxh2+\r
+id "ECM.698"\r
+go\r
+setboard 3qr1k1/1br2ppp/p2b4/8/PpNp4/3P4/1PP2PPP/R1BQ1RK1 b - -\r
+solution Bxh2+\r
+id "ECM.699"\r
+go\r
+setboard 3r2k1/p1R2p2/4pQp1/1q5p/5P1P/1PR5/2Pr2P1/6K1 b - -\r
+solution Rxg2+\r
+id "ECM.700"\r
+go\r
+setboard r1b4r/3p1kp1/pp3q1p/4RP2/8/B7/P5PP/4QRK1 w - -\r
+solution Qe4\r
+id "ECM.701"\r
+go\r
+setboard 1r2rnk1/2R2bpp/p2q4/1p1N2R1/5P2/1Q1B3P/PP4P1/7K w - -\r
+solution Rxg7+\r
+id "ECM.702"\r
+go\r
+setboard 3r2k1/pb5p/1p2qpp1/8/2p5/1P1nP3/P1N2PPP/1Q1R1R1K b - -\r
+solution Bxg2+\r
+id "ECM.703"\r
+go\r
+setboard 4rrk1/2qb2pp/p5P1/1p2p3/1b2P3/2N5/PPPQ4/1K1R2R1 w - -\r
+solution gxh7+\r
+id "ECM.704"\r
+go\r
+setboard 3q1k2/pp3ppn/2p1n2p/4pN1N/P3P2P/5Q2/1PP2PP1/6K1 w - -\r
+solution Nhxg7\r
+id "ECM.705"\r
+go\r
+setboard 2r2r1k/3b1pb1/p3pp1p/q2p1P1B/8/2N2RR1/P1PQ2PP/7K w - -\r
+solution Rxg7\r
+id "ECM.706"\r
+go\r
+setboard 5bk1/1p4p1/4N1R1/3p4/p1r2P1q/Pr1QP2P/1P6/1K4R1 w - -\r
+solution Rxg7+\r
+id "ECM.707"\r
+go\r
+setboard 2r1r1k1/5ppp/p3pn2/1pb1N3/2P5/1PQ3R1/PB2qPPP/3R2K1 w - -\r
+solution Rxg7+\r
+id "ECM.708"\r
+go\r
+setboard 7k/1bp1P1p1/3p2rp/1pb2p1q/5P2/1BP2N1P/1P4P1/R1B2R1K b - -\r
+solution Rxg2\r
+id "ECM.709"\r
+go\r
+setboard r1q1bk1r/1p3pp1/4pn1p/p3Q3/P1P2N2/1B4R1/1P3PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.710"\r
+go\r
+setboard r4rk1/p2n2p1/1q1Qpn1p/1P6/P6B/2p5/2B1KP1P/R5R1 w - -\r
+solution Rxg7+\r
+id "ECM.711"\r
+go\r
+setboard r2qr1k1/1p3ppp/2pb4/2Np4/1P1P2bn/3BP3/2QN1PPP/1RR3K1 b - -\r
+solution Nxg2\r
+id "ECM.712"\r
+go\r
+setboard r3r1k1/pp3pp1/3p4/2q4p/2P5/1PB2Q1P/n4PP1/3R1RK1 w - -\r
+solution Bxg7\r
+id "ECM.713"\r
+go\r
+setboard r5k1/pn1q1rpp/2pp4/5R1N/bP6/4BQ2/P4PPP/2R3K1 w - -\r
+solution Nxg7\r
+id "ECM.714"\r
+go\r
+setboard 3r1rk1/5pp1/pq1n1n1p/2pPR3/2B2P2/1PBQ2RP/P5P1/6K1 w - -\r
+solution Rxg7+\r
+id "ECM.715"\r
+go\r
+setboard rn3rk1/ppq2ppp/2pb1nb1/5N2/2BP4/8/PPP1N1P1/R1B1QR1K w - -\r
+solution Nxg7\r
+id "ECM.716"\r
+go\r
+setboard r1qb1r1k/2p3pp/p1n1bp2/1p1Np2Q/P3P3/1BP3R1/1P3PPP/R1B3K1 w - -\r
+solution Rxg7\r
+id "ECM.717"\r
+go\r
+setboard r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - -\r
+solution Rxg7+\r
+id "ECM.718"\r
+go\r
+setboard 4q1k1/1b3r1p/p4pp1/1p6/2P2n2/1P3N2/1B3PPP/R2Q3K b - -\r
+solution Nxg2\r
+id "ECM.719"\r
+go\r
+setboard r2r3k/5bp1/2p2N2/5P1p/3q3Q/3B2R1/n5PP/3R3K w - -\r
+solution Rxg7\r
+id "ECM.720"\r
+go\r
+setboard 4rrk1/2pn2pb/p1p1qp2/1pb1pN2/P3P1PN/1P1P4/1BP2PK1/R2Q3R w - -\r
+solution Nxg7\r
+id "ECM.721"\r
+go\r
+setboard r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - -\r
+solution Rg3\r
+id "ECM.722"\r
+go\r
+setboard r4rk1/1p1q1ppp/p1b4B/8/2R3R1/P2P4/1b1N1QPP/6K1 w - -\r
+solution Bxg7\r
+id "ECM.723"\r
+go\r
+setboard rq3rk1/3b1ppp/p2bp3/3pB2Q/8/1B5P/PP3PP1/2RR2K1 w - -\r
+solution Bxg7\r
+id "ECM.724"\r
+go\r
+setboard 4kbr1/pp1bpp1p/3p1p2/3N4/1PBQP3/q7/P1r2PPP/R4RK1 b - -\r
+solution Rxg2+\r
+id "ECM.725"\r
+go\r
+setboard 2r3k1/1p2R1p1/p3n2p/2pq4/7P/1P1P2P1/PB1Q3K/8 w - -\r
+solution Bxg7\r
+id "ECM.726"\r
+go\r
+setboard 2rr2k1/4bppp/p1n1p3/3q4/1p1P2N1/2P3R1/P3QPPP/2B2RK1 w - -\r
+solution Nh6+\r
+id "ECM.727"\r
+go\r
+setboard rq1r1bk1/1b3pp1/3pn2p/1n2BN1P/1P2P3/3R1NP1/3Q1PB1/2R3K1 w - -\r
+solution Bxg7\r
+id "ECM.728"\r
+go\r
+setboard r1b5/ppqn2bk/3R2pp/2p2p2/2P1rN2/4BN2/PPQ2PPP/4R1K1 w - -\r
+solution Rxg6\r
+id "ECM.729"\r
+go\r
+setboard 3q1r2/1p1b1pk1/pn5p/3pN1pQ/3P3P/2r3B1/P4PP1/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.730"\r
+go\r
+setboard r1bqkbnr/pp2ppp1/2p4p/3n2N1/2BP4/5N2/PPP2PPP/R1BQK2R w KQkq -\r
+solution Nxf7\r
+id "ECM.731"\r
+go\r
+setboard r2qr1k1/1ppb1p1p/p1np2p1/7Q/3PP2b/1B2N2P/PP3PP1/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.732"\r
+go\r
+setboard 2r3k1/pbq1np1p/1p1b1Bp1/8/6QP/2P2N2/B4PP1/4R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.733"\r
+go\r
+setboard r3r1k1/1bqn1ppp/1pp2p2/8/3P4/1B4N1/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.734"\r
+go\r
+setboard r3r1k1/pp3ppp/8/1Nbp3q/3NnBn1/2P5/PPQ2PPP/3R1RK1 b - -\r
+solution Ngxf2\r
+id "ECM.735"\r
+go\r
+setboard r2r2k1/1b2qpp1/1p2n3/p1b1p2p/4P1n1/PP1B2PP/1B1NQP2/R3NRK1 b - -\r
+solution Nxf2\r
+id "ECM.736"\r
+go\r
+setboard r2qr1k1/1b2bp1p/p3p1p1/1p2N1Bn/3P4/P6Q/1P3PPP/RB2R1K1 w - -\r
+solution Nxf7\r
+id "ECM.737"\r
+go\r
+setboard r5k1/1pp3pp/1b1p1r2/pN1P1n2/P1P3nq/6N1/1P1B1PQP/4RRK1 b - -\r
+solution Nxf2\r
+id "ECM.738"\r
+go\r
+setboard 2rqnk1r/pp2bpp1/2p1pn1p/2P1N2P/3P1BP1/3BQ3/PP6/2K2R1R w - -\r
+solution Nxf7\r
+id "ECM.739"\r
+go\r
+setboard 2rq1rk1/1b2bppp/p1n5/1p1BN3/5B2/P7/1P3PPP/R2Q1RK1 w - -\r
+solution Nd7\r
+id "ECM.740"\r
+go\r
+setboard 3r1qrk/p1p5/bbp3pp/4p3/4Pp1N/2Pn3P/PPQN1PPB/R4RK1 b - -\r
+solution Nxf2\r
+id "ECM.741"\r
+go\r
+setboard r2qr1k1/pb2bp1p/1pn1p1pB/8/2BP4/P1P2N2/4QPPP/3R1RK1 w - -\r
+solution d5\r
+id "ECM.742"\r
+go\r
+setboard r3r1k1/1bq1nppp/p1np4/1ppBpN2/4P3/2PP1N2/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.743"\r
+go\r
+setboard r5k1/p4ppp/3qpb2/1P2N3/1nBP4/1P5P/4QPP1/4R1K1 w - -\r
+solution Nxf7\r
+id "ECM.744"\r
+go\r
+setboard r2qr1k1/1b1nbp1p/p3pp2/1p2N3/3P4/3B1N2/PP2QPPP/R2R2K1 w - -\r
+solution Nxf7\r
+id "ECM.745"\r
+go\r
+setboard r3k2r/p1qb1p2/1p2p2p/3pPpN1/P1nP3Q/8/2P2PPP/R1B1R1K1 w kq -\r
+solution Nxf7\r
+id "ECM.746"\r
+go\r
+setboard 3qNk2/5p1p/1r3p2/2p5/Q1pb4/3b2P1/P4PBP/4R1K1 b - -\r
+solution Bxf2+\r
+id "ECM.747"\r
+go\r
+setboard 2r1r1k1/1pq1bp1p/p3pnp1/P2n2N1/7R/2P4P/1PB1QPP1/2B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.748"\r
+go\r
+setboard r1bq2k1/pp1n1ppp/3b1n2/PQ1B3r/3N1P2/2N5/1PP3PP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.749"\r
+go\r
+setboard 2r1r1k1/5ppp/pq3b2/2pB1P2/2p2B2/5Q1P/Pn3PP1/2R1R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.750"\r
+go\r
+setboard r4rk1/ppRn1p2/6pb/2P1pq1p/3N4/P1QPn1Pb/1B1NPP1P/4R1KB b - -\r
+solution Qxf2+\r
+id "ECM.751"\r
+go\r
+setboard r3kr2/1b2qp2/pp2p2N/4p2Q/8/2n5/P3B1PP/3R1R1K w q -\r
+solution Nxf7\r
+id "ECM.752"\r
+go\r
+setboard b2r1rk1/pq2bpp1/1p2p2p/4N2n/2P2R2/1PB2N2/1P2QPPP/4R1K1 w - -\r
+solution Rxf7\r
+id "ECM.753"\r
+go\r
+setboard rqb1k2r/1p1nbp1p/p4pp1/8/1PBN1P2/P1N1P3/7P/2RQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.754"\r
+go\r
+setboard r2r2k1/4ppbp/5np1/p1q5/QnB1P3/5N2/1P3PPP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.755"\r
+go\r
+setboard 1r2q1k1/p3pp2/3p1bp1/2pP2N1/8/P5PB/2Q2PK1/1rBR4 w - -\r
+solution Nxf7\r
+id "ECM.756"\r
+go\r
+setboard 2rqrbk1/pb1n1p1p/1p2pnp1/4N3/2BP1N2/1P2Q3/PB3PPP/3R1RK1 w - -\r
+solution Nxf7\r
+id "ECM.757"\r
+go\r
+setboard 1r4k1/p4pp1/bqnrpn1p/2ppN3/2P2P1B/P3P3/1P2B1PP/1Q1R1RK1 w - -\r
+solution Bxf6\r
+id "ECM.758"\r
+go\r
+setboard r1bqrbk1/5p1p/2pp2nB/pp5Q/4P3/PBNPR2P/1P4P1/R5K1 w - -\r
+solution Bxf7+\r
+id "ECM.759"\r
+go\r
+setboard r1bqkb1r/1p3ppp/pn1P1n2/4p3/2B5/2N2N2/PP3PPP/R1BQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.760"\r
+go\r
+setboard 2rqr1k1/pp2nppp/3p2b1/6B1/2BNn1Q1/P7/1PP2PPP/2KRR3 w - -\r
+solution Bxf7+\r
+id "ECM.761"\r
+go\r
+setboard r3r1k1/pbq1ppbp/1pp2np1/4N3/3P4/2P5/PPB1QPPP/R1B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.762"\r
+go\r
+setboard r1b2rk1/p6p/2p3Pb/3pp1q1/8/2PB4/PP3PP1/RN1Q1K1R b - -\r
+solution Rxf2+\r
+id "ECM.763"\r
+go\r
+setboard r2rn3/1p3pk1/p1pNn1pp/q3P3/P7/1PN4P/2QR1PP1/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.764"\r
+go\r
+setboard r1bqr1k1/1p1nnpb1/p5pp/2P1p1B1/B3N3/5N2/P4PPP/2RQR1K1 w - -\r
+solution Nd6\r
+id "ECM.765"\r
+go\r
+setboard r1b1r1k1/pp2qpbp/2p3p1/2P5/3NnB2/7P/PPQ1PPB1/2RR2K1 b - -\r
+solution Nxf2\r
+id "ECM.766"\r
+go\r
+setboard rn2r1k1/pp3p1p/3P2p1/2p1bbB1/2B5/2N5/Pq4PP/R2Q1RK1 w - -\r
+solution Bxf7+\r
+id "ECM.767"\r
+go\r
+setboard 5rk1/r2qnppp/p1nN4/2Q5/3PB3/4P3/6PP/R4RK1 w - -\r
+solution Nxf7\r
+id "ECM.768"\r
+go\r
+setboard 1bq2k2/1b1n1pp1/pp5p/2pBpN2/P3P2B/3Q1P2/1PP3PP/4K3 w - -\r
+solution Bxf7\r
+id "ECM.769"\r
+go\r
+setboard rnb2rk1/pp3pbp/2p3pB/2q5/4P3/1BN5/PPP3PP/R2Q1R1K w - -\r
+solution Rxf7\r
+id "ECM.770"\r
+go\r
+setboard 3qr1k1/1br1bp1p/p3p1pB/1p1nN3/3PB3/7Q/PP3PPP/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.771"\r
+go\r
+setboard 1qr1b1k1/4bpp1/pn2p2p/1p1nN3/3P4/P2BBN1Q/1P3PPP/4R1K1 w - -\r
+solution Bxh6\r
+id "ECM.772"\r
+go\r
+setboard rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - -\r
+solution Bxh6\r
+id "ECM.773"\r
+go\r
+setboard r2r2k1/pb1nbpp1/1qp1pn1p/1p2N3/3P1B2/P1N1P3/BPQ2PPP/2R2RK1 w - -\r
+solution Bxh6\r
+id "ECM.774"\r
+go\r
+setboard 2r5/1p4bk/3p2rp/4pN2/1P2P1pR/2P2q2/QP6/1K5R w - -\r
+solution Rxh6+\r
+id "ECM.775"\r
+go\r
+setboard r1b1r3/pp2Npbk/3pp2p/q5p1/2QNPP2/6P1/PPP3P1/2KR3R w - -\r
+solution Ndf5\r
+id "ECM.776"\r
+go\r
+setboard r1q3r1/1ppQ2pk/3bNp1p/p3pP2/P3P3/7R/1PP3PP/3R2K1 w - -\r
+solution Rxh6+\r
+id "ECM.777"\r
+go\r
+setboard 4r1k1/p1pq1pp1/2p5/3p1b2/Q7/2P1B2P/P1P1rPP1/2R2RK1 b - -\r
+solution Bxh3\r
+id "ECM.778"\r
+go\r
+setboard 1rbqnr2/5p1k/p1np3p/1p1Np3/4P2P/1Q2B3/PPP1BP2/2KR3R w - -\r
+solution Bxh6\r
+id "ECM.779"\r
+go\r
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.780"\r
+go\r
+setboard 3r1r1k/p5p1/n1p2p1p/1qp2b2/N1R4R/1PB1P1P1/P2P3P/3Q2K1 w - -\r
+solution Rxh6+\r
+id "ECM.781"\r
+go\r
+setboard r4rk1/2q1b1p1/p4p1p/n3pP2/1p2Q1N1/4B3/PPP3PP/4RR1K w - -\r
+solution Nxh6+\r
+id "ECM.782"\r
+go\r
+setboard 6rk/3b1n1p/1p1q3b/1PpNp3/2P1Pp2/2Q2NrP/5RP1/2R2B1K b - -\r
+solution Bxh3\r
+id "ECM.783"\r
+go\r
+setboard r2q1rk1/ppp2pp1/1b2b2p/3n3Q/2Bp4/3P1N2/PPP2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.784"\r
+go\r
+setboard r3rbk1/1bp1qpp1/p6p/np2p2Q/4P2N/1BP4P/PP3PP1/R1B1R1K1 w - -\r
+solution Bg5\r
+id "ECM.785"\r
+go\r
+setboard 4q3/p2r1ppk/R6p/3n4/3B1Q2/4P2P/5PP1/6K1 w - -\r
+solution Rxh6+\r
+id "ECM.786"\r
+go\r
+setboard 7r/1p2qk2/pQ1p2p1/3Ppp2/P4b2/2P2PrP/1P2R1B1/4R2K b - -\r
+solution Rhxh3+\r
+id "ECM.787"\r
+go\r
+setboard 5rk1/Qp5p/3pp1p1/4n3/2P1P2q/5r1P/P3NPP1/3R1RK1 b - -\r
+solution Rxh3\r
+id "ECM.788"\r
+go\r
+setboard 2r1r1k1/pb1n1pp1/1p1qpn1p/4N1B1/2PP4/3B4/P2Q1PPP/3RR1K1 w - -\r
+solution Bxh6\r
+id "ECM.789"\r
+go\r
+setboard 3q1rk1/p2bbpp1/1rn4p/1pp2P2/3pBBP1/3P3P/PPPQ3N/R4RK1 w - -\r
+solution Bxh6\r
+id "ECM.790"\r
+go\r
+setboard 2br2k1/4qppp/p5r1/2pBp3/2P1Pn2/4Q2P/RP3PPK/1N4R1 b - -\r
+solution Bxh3\r
+id "ECM.791"\r
+go\r
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -\r
+solution Bxh6\r
+id "ECM.792"\r
+go\r
+setboard r5r1/pbn4k/1p1p1Ppp/2pPn3/4BQq1/1PN3P1/PB3PK1/3R1R2 w - -\r
+solution Qxh6+\r
+id "ECM.793"\r
+go\r
+setboard r1b2rk1/pp2bpp1/4p2p/2q4Q/5nNB/2PB4/PP3PPP/2KR3R w - -\r
+solution Nxh6+\r
+id "ECM.794"\r
+go\r
+setboard 6k1/p4ppp/1pn1b1rr/8/PBpPp2q/2P1P1NP/5PP1/RR3QK1 b - -\r
+solution Bxh3\r
+id "ECM.795"\r
+go\r
+setboard r1b2rk1/1p3pp1/p5Pp/2bpPp1Q/3N4/1Pq1B1R1/2P4P/3R2K1 w - -\r
+solution Bxh6\r
+id "ECM.796"\r
+go\r
+setboard r2r2k1/pp1n1bp1/2p2p1p/b4N2/q2BR3/2QB2PP/1PP5/2KR4 w - -\r
+solution Nxh6+\r
+id "ECM.797"\r
+go\r
+setboard 3r2bk/1q4p1/p2P1N1p/2p1rP2/pb5R/7P/1P4P1/2Q2RK1 w - -\r
+solution Rxh6+\r
+id "ECM.798"\r
+go\r
+setboard 2b1rk2/r6p/1pP1p1p1/p2pNnR1/5Q2/P1B4q/1PP2P1P/1K4R1 w - -\r
+solution Nxg6+\r
+id "ECM.799"\r
+go\r
+setboard 6R1/6Q1/3q2p1/5p1p/P3p1k1/1P1r2P1/5PK1/8 b - -\r
+solution Rxg3+\r
+id "ECM.800"\r
+go\r
+setboard r6r/ppnqpk2/3pbpp1/5N2/1PP1P3/5RR1/P2QB1PP/6K1 w - -\r
+solution Nh6+\r
+id "ECM.801"\r
+go\r
+setboard 3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -\r
+solution Rfxg6+\r
+id "ECM.802"\r
+go\r
+setboard 2b2r1k/2p3pp/2Nb4/pP5q/2PP4/P4pP1/5P1P/R1BQ2K1 b - -\r
+solution Bxg3\r
+id "ECM.803"\r
+go\r
+setboard r1bq2k1/pp3r1p/2n1p1p1/3pP3/6Q1/2PB2P1/P4PK1/R1B4R w - -\r
+solution Bxg6\r
+id "ECM.804"\r
+go\r
+setboard 3q1rk1/2r4p/n1p1n1pQ/p2pP3/Np1P2R1/5PN1/PP3KP1/2R5 w - -\r
+solution Rxg6+\r
+id "ECM.805"\r
+go\r
+setboard 2Nq1rk1/6pp/b1p2b2/p6Q/np1p4/6P1/PB3PBP/R3R1K1 w - -\r
+solution Be4\r
+id "ECM.806"\r
+go\r
+setboard r2r4/p4pk1/2p3p1/1p1nPR2/5p1Q/2N5/PPPq4/1K4R1 w - -\r
+solution e6\r
+id "ECM.807"\r
+go\r
+setboard 2kr3r/pbq3p1/1p2pp2/2b4n/2P1B3/1P1N2Pp/PB2QP1P/R4RK1 b - -\r
+solution Nxg3\r
+id "ECM.808"\r
+go\r
+setboard r5k1/1p2Rpb1/3p1np1/2nP2B1/1qP5/1pN1Q2P/P5P1/1B4K1 w - -\r
+solution Bxg6\r
+id "ECM.809"\r
+go\r
+setboard 2rqr1k1/pb2bp1p/1pn1pnpB/4N3/3P4/P1N3R1/1P3PPP/RB1Q2K1 w - -\r
+solution Rxg6+\r
+id "ECM.810"\r
+go\r
+setboard 2r5/pp2qr1k/1nb3pp/2ppBp2/2P4P/3B2R1/P3QPP1/1R4K1 w - -\r
+solution Rxg6\r
+id "ECM.811"\r
+go\r
+setboard 3rr3/3q1p1k/p2P2pp/1bp1b3/5N2/6QP/P1B3P1/3RR1K1 w - -\r
+solution Bxg6+\r
+id "ECM.812"\r
+go\r
+setboard r2q1rk1/pp2ppb1/3pn1pQ/3R4/2P3B1/4BR2/PP4PP/6K1 w - -\r
+solution Qxg6\r
+id "ECM.813"\r
+go\r
+setboard 1n1b1rk1/r4p1p/p1p2qpQ/P3Np2/2BP4/2P1R3/5PPP/R5K1 w - -\r
+solution Rb1\r
+id "ECM.814"\r
+go\r
+setboard 6rk/pb3p1p/3bpPq1/3P4/1p1B3r/1B4P1/PPRQ1R1P/6K1 b - -\r
+solution Bxg3\r
+id "ECM.815"\r
+go\r
+setboard 3rr1k1/pb2bp1p/3qp1pB/1p2N3/3P2Q1/2P1R3/P4PPP/4R1K1 w - -\r
+solution Nxg6\r
+id "ECM.816"\r
+go\r
+setboard r2q1rk1/pb1nbp1p/1p2p1p1/4N1BQ/2PP4/P7/5PPP/RB2R1K1 w - -\r
+solution Nxg6\r
+id "ECM.817"\r
+go\r
+setboard 1Q4R1/r2qbp2/3p1kp1/3Bp2p/8/3PP1P1/5PKP/8 w - -\r
+solution Rxg6+\r
+id "ECM.818"\r
+go\r
+setboard r3r1k1/b1p2pn1/p2q1Bp1/1p1bN1Qp/3P4/2P4P/PPB2PP1/R3R1K1 w - -\r
+solution Nxg6\r
+id "ECM.819"\r
+go\r
+setboard 3r2k1/p1rn1p1p/1p2pp2/6q1/3PQNP1/5P2/P1P4R/R5K1 w - -\r
+solution Nxe6\r
+id "ECM.820"\r
+go\r
+setboard k2r3r/ppq2p1p/n1pb1Pp1/4p3/2Q5/1R2B1P1/PPP2PBP/R5K1 w - -\r
+solution Rxb7\r
+id "ECM.821"\r
+go\r
+setboard 1rb2rk1/p1p1qppp/2p2n2/3P4/1b3P2/2NB4/PPPBQ1PP/2KR3R b - -\r
+solution Ba3\r
+id "ECM.822"\r
+go\r
+setboard k7/pp1N4/4P3/5P2/8/5p2/1R6/B4Knq w - -\r
+solution Nb6+\r
+id "ECM.823"\r
+go\r
+setboard 4rrk1/p5pp/1p4q1/3p2n1/2pP2P1/P1P1PP2/3B2K1/1R2QR2 b - -\r
+solution Nxf3\r
+id "ECM.824"\r
+go\r
+setboard 1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - -\r
+solution Rxf6\r
+id "ECM.825"\r
+go\r
+setboard 1rbq2k1/b1p3pp/p1Pp4/3Ppr2/8/5N2/PPQ2PPP/R1B2RK1 b - -\r
+solution Rxf3\r
+id "ECM.826"\r
+go\r
+setboard 1r1q1r1k/2p3pp/1p1bQ3/p7/1PP5/Pn3B2/1B3PPP/R4RK1 b - -\r
+solution Rxf3\r
+id "ECM.827"\r
+go\r
+setboard r4rk1/2p1qpp1/p1p5/2Ppn2b/2PQ1N1p/4P3/PB3PPP/R4RK1 b - -\r
+solution Nf3+\r
+id "ECM.828"\r
+go\r
+setboard r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - -\r
+solution Nf6+\r
+id "ECM.829"\r
+go\r
+setboard 1n2r3/p1pq1kp1/1b1pNpp1/3P4/5RP1/3Q3P/1B3P2/6K1 w - -\r
+solution Bxf6\r
+id "ECM.830"\r
+go\r
+setboard r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - -\r
+solution Nf3+\r
+id "ECM.831"\r
+go\r
+setboard 3r1b2/p4bkp/1p1P1p2/r3p1p1/2q1N3/2N2P2/1P1R2PP/2QR3K w - -\r
+solution Nxf6\r
+id "ECM.832"\r
+go\r
+setboard rqbn1rk1/1p3ppp/p3p3/8/4NP2/8/PPP1BQPP/1K1R3R w - -\r
+solution Nf6+\r
+id "ECM.833"\r
+go\r
+setboard r1b1kb1r/1p4pp/p2ppn2/8/2qNP3/2N1B3/PPP3PP/R2Q1RK1 w kq -\r
+solution Rxf6\r
+id "ECM.834"\r
+go\r
+setboard 1rn5/p3Bk1p/1pq1bpp1/P3p3/1Q2P2P/2P3P1/5PB1/1R4K1 w - -\r
+solution Bxf6\r
+id "ECM.835"\r
+go\r
+setboard 2nr2k1/1pq1bppp/p1p5/2p1P1PQ/2P1NP2/1PNR4/P6P/6K1 w - -\r
+solution Nf6+\r
+id "ECM.836"\r
+go\r
+setboard 6nk/pn2qr1r/1pbp1p1p/2p1pPpN/P1P1P1PP/2PP3R/7Q/2BBK2R w K -\r
+solution Nxf6\r
+id "ECM.837"\r
+go\r
+setboard 7r/4p1k1/p3Pppp/1p6/3N1R2/3PQ2P/qr4b1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.838"\r
+go\r
+setboard r3k2r/1bq1bp2/p3p1pp/1p2P3/3NpP2/4B1Q1/PPP3PP/1K1R3R w kq -\r
+solution Nxe6\r
+id "ECM.839"\r
+go\r
+setboard rnbqkb1r/pp1n1p2/4p1p1/1N1pP2p/1P4Q1/3B1N2/P1PB1PPP/R3K2R w KQkq -\r
+solution Qxe6+\r
+id "ECM.840"\r
+go\r
+setboard r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq -\r
+solution Nxe6\r
+id "ECM.841"\r
+go\r
+setboard r1b1k1nr/3n1p1p/1qpBp1p1/pp2b3/4PN2/PBN2Q2/1PP2PPP/2KR3R w kq -\r
+solution Nxe6\r
+id "ECM.842"\r
+go\r
+setboard 2r2rk1/1b3ppp/pq2p3/1pbn2N1/3B3P/1B4P1/P1P1QP2/2KRR3 w - -\r
+solution Qh5\r
+id "ECM.843"\r
+go\r
+setboard r3k2r/pp1n1pb1/1qn1p1p1/2p3Pp/4R2P/2NP2QB/PPPB1P2/2K1R3 w kq -\r
+solution Rxe6+\r
+id "ECM.844"\r
+go\r
+setboard r3k2r/1q3ppp/p3p3/2b1P3/p2N1Q2/P7/1PP3PP/3R1R1K w kq -\r
+solution Nxe6\r
+id "ECM.845"\r
+go\r
+setboard 3qr1k1/rp3pbp/2p3p1/3p1b2/N1nP4/P2NP3/1PQ2PPP/1BRR2K1 b - -\r
+solution Rxe3\r
+id "ECM.846"\r
+go\r
+setboard rnbqkb1r/1p1n1pp1/p3p2p/3pP3/3p1NQP/2N5/P1PB1PP1/R3KB1R w KQkq -\r
+solution Nxe6\r
+id "ECM.847"\r
+go\r
+setboard 3r1b1R/3bkpp1/1p1np3/1BqpPPP1/PQ1N4/8/1PP5/1K6 w - -\r
+solution f6+\r
+id "ECM.848"\r
+go\r
+setboard 4r1k1/pp2n2p/1r1n1bp1/q2p1pB1/3P3N/P1NQ1P1P/1PP3R1/1K5R b - -\r
+solution Rxb2+\r
+id "ECM.849"\r
+go\r
+setboard 3r2k1/2p1bppp/4b3/p2pP3/qr1N1B1P/8/1PPQ2P1/1K1RR3 b - -\r
+solution Rxb2+\r
+id "ECM.850"\r
+go\r
+setboard 1k1r3r/ppR2ppp/1q2b3/1N6/4Q3/8/PP3PPP/4R1K1 w - -\r
+solution Rxb7+\r
+id "ECM.851"\r
+go\r
+setboard 1r3rk1/5pbp/p2Pp1p1/q1n3P1/2p2P1P/2N1Q2R/PP6/1BKR4 b - -\r
+solution Rxb2\r
+id "ECM.852"\r
+go\r
+setboard rr4k1/5p1p/n2p1npQ/q1pP4/6P1/2N2P1N/PP1R3P/2K4R b - -\r
+solution Rxb2\r
+id "ECM.853"\r
+go\r
+setboard 1k2bb1r/1p3p1p/p2qpP1p/3pN3/3P1Q2/2RB2P1/PP3P1P/6K1 w - -\r
+solution Qc1\r
+id "ECM.854"\r
+go\r
+setboard 1r4k1/1r3p2/p1p1b1pQ/q3P3/P7/bPN1R1P1/2P4P/1K1R1B2 b - -\r
+solution Bxb3\r
+id "ECM.855"\r
+go\r
+setboard 5rk1/5rp1/p2qb3/R2Np2Q/3bP2B/7P/P5PK/1R6 b - -\r
+solution Rf1\r
+id "ECM.856"\r
+go\r
+setboard 6k1/5p2/R3p1p1/1pq1PpB1/4nP2/5Q1P/P2r2PK/8 w - -\r
+solution Ra8+\r
+id "ECM.857"\r
+go\r
+setboard 3r1rk1/p3q1pp/2Rb4/3P4/8/1P2Qp2/PB3PPP/3R2K1 b - -\r
+solution Bxh2+\r
+id "ECM.858"\r
+go\r
+setboard 1r6/5pk1/p1b2qpp/P1P1n3/1N6/Q5NP/5PP1/3R2K1 b - -\r
+solution Bxg2\r
+id "ECM.859"\r
+go\r
+setboard 1r4k1/1q3pb1/r1b3p1/pp1Qp3/P3P3/1B2BP2/1PP3P1/1K1R3R w - -\r
+solution Qd8+\r
+id "ECM.860"\r
+go\r
+setboard 2R5/p3q1kp/6p1/3p4/b2P2p1/Pr4N1/5Q2/3K3R w - -\r
+solution Nf5+\r
+id "ECM.861"\r
+go\r
+setboard 3r4/kb6/pp6/4R1pr/PPpq4/2N3Q1/2P3PP/3R3K b - -\r
+solution Rf8\r
+id "ECM.862"\r
+go\r
+setboard 4r1k1/5p1p/4q1p1/8/Q5n1/3B2P1/P4P1P/2R3K1 b - -\r
+solution Nxf2\r
+id "ECM.863"\r
+go\r
+setboard 8/2q1np1k/6p1/1PPn3p/8/P2Q3P/6P1/2R4K b - -\r
+solution Nf5\r
+id "ECM.864"\r
+go\r
+setboard r1bq1rk1/ppp1n1bn/3p2p1/3Pp1Pp/1PP1Pp1P/2NN1P2/P3B3/R1BQ1RK1 b - -\r
+solution Nxg5\r
+id "ECM.865"\r
+go\r
+setboard 7R/1p1r4/2b2p2/2Pp1qk1/3P1bp1/3N4/2Q2PB1/6K1 w - -\r
+solution Rg8+\r
+id "ECM.866"\r
+go\r
+setboard r6r/1pn1b1k1/2p1pq2/2Pp3p/p2P1Pp1/P2BP1P1/1P2QB2/3R2KR w - -\r
+solution Rxh5\r
+id "ECM.867"\r
+go\r
+setboard 1r4k1/pp4pp/2n1b3/1Rq1p3/2P2r2/P1B2P2/2Q1B1PP/3R1K2 b - -\r
+solution Rxf3+\r
+id "ECM.868"\r
+go\r
+setboard 7k/1p4p1/2p4r/5p2/p1QP1q2/2P2PR1/r4P1P/4R2K b - -\r
+solution Rxh2+\r
+id "ECM.869"\r
+go\r
+setboard 1r3r2/6kp/3p1pp1/qnp1pP2/1p2P2N/3P4/PPPQ1P1P/1K1R2R1 w - -\r
+solution fxg6\r
+id "ECM.870"\r
+go\r
+setboard 5rk1/1rP3pp/p4n2/3Pp3/1P2Pq2/2Q4P/P5P1/R3R1K1 b - -\r
+solution Rxc7\r
+id "ECM.871"\r
+go\r
+setboard 2rq1rk1/5ppp/2b1pb2/np6/6N1/2NBB3/PP3PPP/R2Q2K1 w - -\r
+solution Bb6\r
+id "ECM.872"\r
+go\r
+setboard 5r2/p2p2kp/3PnNp1/1qr1Pp2/2p5/P1R5/6PP/2Q1R1K1 w - -\r
+solution Qh6+\r
+id "ECM.873"\r
+go\r
+setboard 2Qbq1k1/6p1/1p4Np/4p2P/3rP3/8/3p2PK/3R4 w - -\r
+solution Rf1\r
+id "ECM.874"\r
+go\r
+setboard 2kr1br1/ppp2p1p/2n1p1q1/2Nn4/3P4/1Q2PB2/PP1B1P1P/2R1K2R b K -\r
+solution Qg1+\r
+id "ECM.875"\r
+go\r
+setboard 2K5/6p1/kp2P3/1p6/1P6/2P1P2p/8/1r6 w - -\r
+solution e7\r
+id "ECM.876"\r
+go\r
+setboard 2kr3r/1Rp1bpp1/p6q/Q3P3/2P5/3p1NP1/P3P2P/1R4K1 b - -\r
+solution Qe3+\r
+id "ECM.877"\r
+go\r
+setboard 6k1/1R4pp/2p5/8/P1rNp3/6Pb/4PK2/8 w - -\r
+solution a5\r
+id "ECM.878"\r
+go\r
+setboard r2r2k1/pp3ppp/2q5/2p5/2P1P1n1/P4P1b/1BQ1BP1P/R3R2K b - -\r
+solution Rd2\r
+id "ECM.879"\r
+go\r
--- /dev/null
+Typhoon 1.00 (built on Sep 11 2014 08:20:24):
+ $Id: chess.h 354 2008-06-30 05:10:08Z scott $
+ GCC 4.2.1 20070831 patched [FreeBSD]
+ Make profile used: -std=gnu99 -D_X64_ -g -O3 -fexpensive-optimizations -ffast-math -finline-functions -m64 -DMP -DSMP
+ Multiprocessor enabled; 1 searcher thread
+ Hash sizes: 1 Mb (main), 11 Mb / thread (pawn), 48 Mb / thread (eval)
+ QCheckPlies: 1
+ FutilityBase: 50
+ Logging Eval DNA.
+-1,90,81,73,67,62,57,52,50,50,50,50,50,50,50,50,-1,-1,125,117,109,100,91,84,78,71,66,66,66,66,66,66,66,-1,-1,150,132,124,116,109,102,94,87,77,77,77,77,77,77,77,-1
+-43,-15,0,3,6,10,15,21,28,-63,-25,0,4,9,14,19,25,32,-10,0,0,7,15,20,24,29,36
+0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,3,4,5,6,6,7,7,7,7,8,8,8,8,8,8,8,8
+8,8,8,8,8,8,8,8,8,7,7,7,7,6,6,5,4,3,3,3,2,2,2,1,1,1,0,0,0,0,0,0
+8,8,8,8,8,8,7,7,7,6,7,5,4,5,4,3,2,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,-8,0,5,5,5,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,9,9,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,9,9,5,0,-8,0,0,0,0,0,0,0,0,-8,0,5,5,5,5,0,-8,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-4,-3,-3,-4,-4,-3,-3,-4,0,0,0,0,0,0,0,0,-5,-4,-4,-5,-5,-4,-4,-5,0,0,0,0,0,0,0,0,-7,-5,-5,-7,-7,-5,-5,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-7,-6,-6,-7,-7,-6,-6,-7,0,0,0,0,0,0,0,0,-9,-7,-7,-9,-9,-7,-7,-9,0,0,0,0,0,0,0,0,-12,-9,-9,-11,-11,-9,-9,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,-32,-65,-99,-134,-170,-207,-222,-250,0,-23,-47,-76,-108,-144,-184,-200,-216,0,-13,-23,-34,-46,-64,-86,-111,-138,0,-7,-13,-25,-39,-55,-73,-95,-121
+0,-3,-7,-9,-16,-35,-50,-85,-100
+0,-7,-8,-9,-10,-10,-9,-8,-7
+-5
+-11
+0,0,162,111,62,36,18,13,0,0,0,13,18,36,62,111,162,0
+0,0,0,48,34,22,13,9,0,0,0,9,13,22,34,48,0,0
+0,0,96,74,48,21,10,5,0,0,0,5,10,21,48,74,96,0
+0,0,60,40,13,6,3,1,0,0,0,1,3,6,13,40,60,0
+0,0,7,14,21,28,34,41,55
+60,-1,-1,37,-1,43,19,-1,14,9,20,4,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+800
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--- /dev/null
+Microsoft Visual Studio Solution File, Format Version 8.00\r
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "typhoon", "typhoon.vcproj", "{47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}"\r
+ ProjectSection(ProjectDependencies) = postProject\r
+ EndProjectSection\r
+EndProject\r
+Global\r
+ GlobalSection(SolutionConfiguration) = preSolution\r
+ Debug = Debug\r
+ DTEST = DTEST\r
+ Eval Dumper = Eval Dumper\r
+ MP Debug = MP Debug\r
+ MP Release = MP Release\r
+ Release = Release\r
+ TEST = TEST\r
+ Tree Dumper = Tree Dumper\r
+ EndGlobalSection\r
+ GlobalSection(ProjectConfiguration) = postSolution\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.Debug.ActiveCfg = Debug|Win32\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.Debug.Build.0 = Debug|Win32\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.DTEST.ActiveCfg = DTEST|Win32\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.DTEST.Build.0 = DTEST|Win32\r
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+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.MP Release.Build.0 = MP Release|Win32\r
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+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.Release.Build.0 = Release|Win32\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.TEST.ActiveCfg = TEST|Win32\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.TEST.Build.0 = TEST|Win32\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.Tree Dumper.ActiveCfg = Tree Dumper|Win32\r
+ {47D01EEB-6CAD-498E-8C81-DF144E8CAD1B}.Tree Dumper.Build.0 = Tree Dumper|Win32\r
+ EndGlobalSection\r
+ GlobalSection(ExtensibilityGlobals) = postSolution\r
+ EndGlobalSection\r
+ GlobalSection(ExtensibilityAddIns) = postSolution\r
+ EndGlobalSection\r
+EndGlobal\r
--- /dev/null
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- 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7354"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/5K2/4R3 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="(null)"/></n><qn n="7355"><fen p="3r1k2/4npp1/1ppr4/p3P2P/P2P1p2/1N1R4/5K2/2R5 b - - 0 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="325" mv="(null)"/></qn><d score="325" mv="(null)"/></n><qn n="7356"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/5K2/3R4 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="(null)"/></n><qn n="7357"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N6/5K2/2RR4 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="(null)"/></n><qn n="7358"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/8/2R3K1 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="(null)"/></n><qn n="7359"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/5K2/1R6 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="(null)"/></n><qn n="7360"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/3R4/3N1K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="(null)"/></n><qn n="7361"><fen p="3r1k2/4npp1/1ppr4/N6P/P2PPp2/3R4/5K2/2R5 b - - 0 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="192" mv="(null)"/></qn><d score="192" mv="(null)"/></n><qn n="7362"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/5K2/5R2 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7363"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/5K2/6R1 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7364"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/5K2/7R b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7365"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/2R2K2/8 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7366"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1NRR4/5K2/8 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7367"><fen p="3r1k2/4npp1/1ppr4/p6P/P1RPPp2/1N1R4/5K2/8 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7368"><fen p="3r1k2/4npp1/1ppr4/p1R4P/P2PPp2/1N1R4/5K2/8 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7369"><fen p="3r1k2/4npp1/1pRr4/p6P/P2PPp2/1N1R4/5K2/8 b - - 0 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="114" mv="(null)"/></qn><d score="114" mv="ILLEGAL"/></n><qn n="7370"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1NR5/5K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7371"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N2R3/5K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7372"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N3R2/5K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7373"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N4R1/5K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7374"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N5R/5K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7375"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N6/3R1K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7376"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/3R4/5K2/N1R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7377"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R1K2/8/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7378"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/4K3/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7379"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/6K1/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7380"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/5K2/R7 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7381"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/8/2R1K3 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7382"><fen p="3r1k2/4npp1/1ppr4/p6P/P2PPp2/1N1R4/8/2R2K2 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7383"><fen p="3r1k2/4npp1/1ppr4/p2P3P/P3Pp2/1N1R4/5K2/2R5 b - - 0 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="243" mv="(null)"/></qn><d score="243" mv="ILLEGAL"/></n><qn n="7384"><fen p="3r1k2/4npp1/1ppr4/p1N4P/P2PPp2/3R4/5K2/2R5 b - - 1 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="276" mv="(null)"/></qn><d score="276" mv="ILLEGAL"/></n><qn n="7385"><fen p="3r1k2/4npp1/1ppr3P/p7/P2PPp2/1N1R4/5K2/2R5 b - - 0 0"/><i ab="-81, -80" ply="5" depth="0"/><d score="258" mv="(null)"/></qn><d score="258" mv="ILLEGAL"/></n><d score="-114" mv="Rxc6"/></n><d score="114" mv="gxf4"/></n><n n="7386"><qn n="7387"
\ No newline at end of file
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ unix.c
+
+Abstract:
+
+ FreeBSD/Linux/OSX system dependent code.
+
+Author:
+
+
+Revision History:
+
+ $Id: unix.c 200 2006-07-05 20:05:07Z scott $
+
+**/
+
+#include "chess.h"
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/select.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <pthread.h>
+#include <signal.h>
+#include <errno.h>
+
+#define SYS_MAX_HEAP_ALLOC_SIZE_BYTES 0xfff
+#define HEAP 0x48656170
+#define MMAP 0x4d6d6170
+
+pthread_mutex_t g_SystemLock;
+#define LOCK_SYSTEM pthread_mutex_lock(&g_SystemLock)
+#define UNLOCK_SYSTEM pthread_mutex_unlock(&g_SystemLock)
+
+#ifdef DEBUG
+ULONG g_uTotalAlloced = 0;
+
+#define ALLOC_HASH_SIZE 0x4000
+
+typedef struct _ALLOC_RECORD
+{
+ void *p;
+ ULONG uSize;
+} ALLOC_RECORD;
+ALLOC_RECORD g_AllocHash[ALLOC_HASH_SIZE];
+
+#define PTR_TO_ALLOC_HASH(x) ((((ULONG)(x)) >> 3) & (ALLOC_HASH_SIZE - 1))
+
+ULONG
+GetHeapMemoryUsage(void)
+{
+ Trace("There are now %u bytes outstanding.\n", g_uTotalAlloced);
+ return(g_uTotalAlloced);
+}
+
+static void
+ReleaseAllocHashEntry(void *p)
+{
+ ULONG u = PTR_TO_ALLOC_HASH(p);
+ ULONG v = u;
+
+ LOCK_SYSTEM;
+ while(g_AllocHash[u].p != p)
+ {
+ u++;
+ u &= (ALLOC_HASH_SIZE - 1);
+ if (v == u) return;
+ }
+ g_AllocHash[u].p = NULL;
+ g_uTotalAlloced -= g_AllocHash[u].uSize;
+ UNLOCK_SYSTEM;
+
+// Trace("Freed %u bytes at %p.\n", g_AllocHash[u].uSize, p);
+}
+
+static void
+MarkAllocHashEntry(void *p, ULONG uSize)
+{
+ ULONG u = PTR_TO_ALLOC_HASH(p);
+
+ if (uSize > (1024 * 1024 * 30)) return;
+
+ LOCK_SYSTEM;
+ while(g_AllocHash[u].p != NULL)
+ {
+ u++;
+ u &= (ALLOC_HASH_SIZE - 1);
+ }
+ g_AllocHash[u].p = p;
+ g_AllocHash[u].uSize = uSize;
+ g_uTotalAlloced += uSize;
+ UNLOCK_SYSTEM;
+
+// Trace("Alloc %u bytes at %p.\n", g_AllocHash[u].uSize, p);
+}
+#endif // DEBUG
+
+//
+// Thread table
+//
+typedef struct _SYSTEM_THREAD_TABLE_ENTRY
+{
+ DLIST_ENTRY links;
+ ULONG uWrapperHandle;
+ ULONG uTid;
+ ULONG uThreadParam;
+ pthread_t thread;
+ THREAD_ENTRYPOINT *pEntry;
+ ULONG uExitCode;
+}
+SYSTEM_THREAD_TABLE_ENTRY;
+DLIST_ENTRY g_SystemThreadList;
+ULONG g_uNextThreadHandle = 6000;
+
+CHAR *
+SystemGetTimeString(void)
+/**
+
+Routine description:
+
+ Get the current time string from the OS. Not thread safe.
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR
+
+**/
+{
+ static CHAR buf[32];
+ time_t t = time(NULL);
+ struct tm *p;
+
+ p = localtime(&t);
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%u:%02u:%02u", p->tm_hour, p->tm_min, p->tm_sec);
+ return(buf);
+}
+
+CHAR *
+SystemGetDateString(void)
+/**
+
+Routine description:
+
+ Get the current date string from the OS. Not thread safe.
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR
+
+**/
+{
+ static CHAR buf[32];
+ time_t t = time(NULL);
+ struct tm *p;
+
+ p = localtime(&t);
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%u.%02u.%02u", p->tm_year + 1900, p->tm_mon + 1, p->tm_mday);
+ return(buf);
+}
+
+//
+// Thread code
+//
+
+static SYSTEM_THREAD_TABLE_ENTRY *
+_SystemGetThreadTableEntry(ULONG uThreadHandle)
+/**
+
+Routine description:
+
+ Support routine for thread functionality wrapper. Given a
+ uThreadHandle look up its entry in the global table.
+
+Parameters:
+
+ ULONG uThreadHandle
+
+Return value:
+
+ SYSTEM_THREAD_TABLE_ENTRY *
+
+**/
+{
+ DLIST_ENTRY *p;
+ SYSTEM_THREAD_TABLE_ENTRY *q;
+
+ LOCK_SYSTEM;
+ p = g_SystemThreadList.pFlink;
+ while(p != &g_SystemThreadList)
+ {
+ q = CONTAINING_STRUCT(p, SYSTEM_THREAD_TABLE_ENTRY, links);
+ if (q->uWrapperHandle == uThreadHandle)
+ {
+ goto end;
+ }
+ p = p->pFlink;
+ }
+ q = NULL;
+ end:
+ UNLOCK_SYSTEM;
+ return(q);
+}
+
+void *
+SystemThreadEntryPoint(void *pParam)
+/**
+
+Routine description:
+
+ The first code that any newly created thread executes.
+
+Parameters:
+
+ void *pParam
+
+Return value:
+
+ void
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *p = (SYSTEM_THREAD_TABLE_ENTRY *)pParam;
+ ULONG uParam;
+ int i;
+
+ LOCK_SYSTEM;
+ UNLOCK_SYSTEM;
+
+ uParam = p->uThreadParam;
+ i = (int)(*(p->pEntry))(uParam); // call thread's user-supplied entry
+ return((void *)i);
+}
+
+FLAG
+SystemCreateThread(THREAD_ENTRYPOINT *pEntry, ULONG uParam, ULONG *puHandle)
+/**
+
+Routine description:
+
+ Wraps the OS/Library dependent thread creation call.
+
+Parameters:
+
+ THREAD_ENTRYPOINT *pEntry : where should the new thread start?
+ ULONG uParam : parameter to pass to the new thread
+ ULONG *puHandle : "handle" to the new thread
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *p;
+
+ p = malloc(sizeof(SYSTEM_THREAD_TABLE_ENTRY));
+ if (NULL == p)
+ {
+ *puHandle = 0;
+ return(FALSE);
+ }
+
+ LOCK_SYSTEM;
+ p->pEntry = pEntry;
+ p->uThreadParam = uParam;
+ if (0 != pthread_create(&(p->thread),
+ NULL,
+ SystemThreadEntryPoint,
+ p))
+ {
+ free(p);
+ return(FALSE);
+ }
+ *puHandle = p->uWrapperHandle = g_uNextThreadHandle;
+ g_uNextThreadHandle++;
+ InsertHeadList(&g_SystemThreadList, &(p->links));
+ UNLOCK_SYSTEM;
+ return(TRUE);
+}
+
+
+FLAG
+SystemWaitForThreadToExit(ULONG uThreadHandle)
+/**
+
+Routine description:
+
+ Blocks until the thread whose handle is provieded exits.
+
+Parameters:
+
+ ULONG uThreadHandle
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *q = _SystemGetThreadTableEntry(uThreadHandle);
+
+ pthread_join(q->thread, NULL);
+ return(TRUE);
+}
+
+
+FLAG
+SystemGetThreadExitCode(ULONG uThreadHandle, ULONG *puCode)
+/**
+
+Routine description:
+
+ Get the exit value of an already-exited thread.
+
+Parameters:
+
+ ULONG uThreadHandle,
+ ULONG *puCode
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *q = _SystemGetThreadTableEntry(uThreadHandle);
+ void *p;
+
+ pthread_join(q->thread, &p);
+ *puCode = ((ULONG)p);
+ return(TRUE);
+}
+
+
+FLAG
+SystemDeleteThread(ULONG uThreadHandle)
+/**
+
+Routine description:
+
+ Kill a thread.
+
+Parameters:
+
+ ULONG uThreadHandle
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *q = _SystemGetThreadTableEntry(uThreadHandle);
+
+ if (NULL != q)
+ {
+ pthread_kill(q->thread, SIGKILL);
+ LOCK_SYSTEM;
+ RemoveEntryList(&(q->links));
+ free(q);
+ UNLOCK_SYSTEM;
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+
+void FORCEINLINE
+SystemDebugBreakpoint(void)
+/**
+
+Routine description:
+
+ A hardcoded breakpoint.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ __asm__("int3\n");
+}
+
+UINT64 FASTCALL
+SystemReadTimeStampCounter(void)
+/**
+
+Routine description:
+
+ Read the processor's timestamp counter.
+
+Parameters:
+
+ void
+
+Return value:
+
+ UINT64 FASTCALL
+
+**/
+{
+ __asm__("rdtsc;"
+ :
+ :
+ : "%eax", "%edx");
+}
+
+
+double INLINE
+SystemTimeStamp(void)
+/**
+
+Routine description:
+
+ Return a timestamp to the caller.
+
+Parameters:
+
+ void
+
+Return value:
+
+ double
+
+**/
+{
+ struct timeval tv;
+
+ //
+ // Number of seconds and microseconds since the Epoch.
+ //
+ if (0 != gettimeofday(&tv, NULL))
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "gettimeofday", (void *)errno, NULL,
+ __FILE__, __LINE__);
+ }
+ return((double)tv.tv_sec + (double)tv.tv_usec * 1.0e-6);
+}
+
+
+FLAG
+SystemDoesFileExist(CHAR *szFilename)
+/**
+
+Routine description:
+
+ Determine if a file exists (non-atomically).
+
+Parameters:
+
+ CHAR *szFilename
+
+Return value:
+
+ FLAG
+
+**/
+{
+ struct stat sb;
+ int i = stat(szFilename, &sb);
+
+ if ((i == -1) && (errno == ENOENT)) return(FALSE);
+ return(TRUE);
+}
+
+
+static FLAG
+_SystemIsRoot(void)
+/**
+
+Routine description:
+
+ This code is called by SystemDependentInitialization. Its job is to
+ determine whether this process is running with administrative powers.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ if (0 == geteuid())
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+void FORCEINLINE
+SystemDeferExecution(ULONG dwMs)
+/**
+
+Routine description:
+
+ Sleep for a few ms.
+
+Parameters:
+
+ ULONG dwMs
+
+Return value:
+
+ void FORCEINLINE
+
+**/
+{
+ struct timeval t = { 0, dwMs * 1000 };
+ if (select(0, (fd_set *)NULL, (fd_set *)NULL, (fd_set *)NULL, &t) < 0)
+ {
+ if (usleep(dwMs * 1000) < 0)
+ {
+ Bug("SystemDeferExecution: I have insomnia...\n");
+ }
+ }
+}
+
+
+static void *
+_SystemCallMmap(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Wrapper around mmap.
+
+Parameters:
+
+ ULONG dwSizeBytes
+
+Return value:
+
+ static void
+
+**/
+{
+ void *pMem = mmap(0,
+ (size_t)dwSizeBytes,
+ PROT_READ | PROT_WRITE,
+ MAP_ANON,
+ -1,
+ 0);
+ if (MAP_FAILED == pMem)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "mmap", (void *)errno, (void *)dwSizeBytes,
+ __FILE__, __LINE__);
+ }
+ (void)madvise(pMem, dwSizeBytes, MADV_RANDOM | MADV_WILLNEED);
+ return(pMem);
+}
+
+
+static void
+_SystemCallMunmap(void *pMem)
+/**
+
+Routine description:
+
+ Wrapper around munmap
+
+Parameters:
+
+ void *pMem
+
+Return value:
+
+ static void
+
+**/
+{
+ if (0 != munmap(pMem, (size_t)-1))
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "munmap", (void *)errno, pMem,
+ __FILE__, __LINE__);
+ }
+}
+
+
+static void *_SystemCallMalloc(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Wrapper around malloc.
+
+Parameters:
+
+ ULONG dwSizeBytes
+
+Return value:
+
+ static void
+
+**/
+{
+ void *p = malloc(dwSizeBytes);
+ if (NULL == p)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "malloc", (void *)errno, (void *)dwSizeBytes,
+ __FILE__, __LINE__);
+ }
+ memset(p, 0, dwSizeBytes);
+ return(p);
+}
+
+
+static void
+_SystemCallFree(void *p)
+/**
+
+Routine description:
+
+ Wrapper around free.
+
+Parameters:
+
+ void *p
+
+Return value:
+
+ static void
+
+**/
+{
+ free(p);
+}
+
+char *
+SystemStrDup(char *p)
+/**
+
+Routine description:
+
+ Implements strdup functionality.
+
+Parameters:
+
+ char *p
+
+Return value:
+
+ char
+
+**/
+{
+ char *q = SystemAllocateMemory(strlen(p) + 1);
+ strcpy(q, p);
+ return(q);
+}
+
+void *
+SystemAllocateMemory(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Allocate some memory.
+
+Parameters:
+
+ ULONG dwSizeBytes
+
+Return value:
+
+ void
+
+**/
+{
+ DWORD *p;
+
+ if (0) // (dwSizeBytes > SYS_MAX_HEAP_ALLOC_SIZE_BYTES)
+ {
+ p = _SystemCallMmap(dwSizeBytes + sizeof(DWORD));
+ if (NULL == p)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "mmap", (void *)errno, NULL,
+ __FILE__, __LINE__);
+ }
+ *p = MMAP;
+ p += 1;
+ }
+ else
+ {
+ p = _SystemCallMalloc(dwSizeBytes + sizeof(DWORD));
+ if (NULL == p)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "malloc", (void *)errno, NULL,
+ __FILE__, __LINE__);
+ }
+ *p = HEAP;
+ p += 1;
+ }
+#ifdef DEBUG
+ MarkAllocHashEntry(p, dwSizeBytes);
+#endif
+ ASSERT(NULL != p);
+ return(p);
+}
+
+void
+SystemFreeMemory(void *pMemory)
+/**
+
+Routine description:
+
+ Free an allocation previously allocated by SystemAllocMemory.
+
+Parameters:
+
+ void *pMemory
+
+Return value:
+
+ void
+
+**/
+{
+ DWORD *p = pMemory;
+
+ p -= 1;
+#ifdef DEBUG
+ ReleaseAllocHashEntry(pMemory);
+#endif
+ if (*p == HEAP)
+ {
+ _SystemCallFree(p);
+ }
+ else if (*p == MMAP)
+ {
+ _SystemCallMunmap(p);
+ }
+#ifdef DEBUG
+ else
+ {
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+ }
+#endif
+}
+
+
+void *
+SystemAllocateLockedMemory(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Allocate non-pagable memory (if possible).
+
+Parameters:
+
+ ULONG dwSizeBytes
+
+Return value:
+
+ void
+
+**/
+{
+ void *p = SystemAllocateMemory(dwSizeBytes);
+ if (NULL != p)
+ {
+ if (0 != mlock(p, dwSizeBytes))
+ {
+ //
+ // Note: don't panic the program over this... do dump a
+ // warning though as it should not happen.
+ //
+ Bug("WARNING: mlock for buffer at 0x%p (%u bytes) failed, "
+ "errno=%d\n\n", p, dwSizeBytes, errno);
+ }
+ }
+ return(p);
+}
+
+
+FLAG
+SystemMakeMemoryReadOnly(void *pMemory,
+ ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Make some memory region read-only (if possible).
+
+Parameters:
+
+ void *pMemory,
+ ULONG dwSizeBytes
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (0 != mprotect(pMemory, dwSizeBytes, PROT_READ))
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "mprotect", (void *)errno, (void *)PROT_READ,
+ __FILE__, __LINE__);
+ }
+ return(TRUE);
+}
+
+
+
+FLAG
+SystemMakeMemoryReadWrite(void *pMemory, ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Make a region of memory read/write.
+
+Parameters:
+
+ void *pMemory,
+ ULONG dwSizeBytes
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (0 != mprotect(pMemory, dwSizeBytes, PROT_READ | PROT_WRITE))
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL,
+ "mprotect",
+ (void *)errno,
+ (void *)(PROT_READ | PROT_WRITE),
+ __FILE__, __LINE__);
+ }
+ return(TRUE);
+}
+
+
+
+FLAG
+SystemCopyFile(CHAR *szSource, CHAR *szDest)
+/**
+
+Routine description:
+
+ Make a copy of a file.
+
+Parameters:
+
+ CHAR *szSource,
+ CHAR *szDest
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CHAR *buf = NULL;
+ CHAR *x = "/bin/cp -f ";
+ ULONG uLen = strlen(szSource) + strlen(szDest) + strlen(x) + 2;
+
+ buf = SystemAllocateMemory(uLen);
+ snprintf(buf, uLen,
+ "%s%s %s", x, szSource, szDest);
+ if (0 == system(buf))
+ {
+ SystemFreeMemory(buf);
+ return(TRUE);
+ }
+ SystemFreeMemory(buf);
+ return(FALSE);
+}
+
+
+FLAG
+SystemDeleteFile(CHAR *szFile)
+/**
+
+Routine description:
+
+ Delete a file.
+
+Parameters:
+
+ CHAR *szFile
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (0 == unlink(szFile))
+ {
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+#define MAX_LOCKS (8)
+typedef struct _UNIX_LOCK_ENTRY
+{
+ pthread_mutex_t lock;
+ FLAG fInUse;
+} UNIX_LOCK_ENTRY;
+UNIX_LOCK_ENTRY g_rgLockTable[MAX_LOCKS];
+
+ULONG
+SystemCreateLock(void)
+{
+ ULONG u;
+
+ LOCK_SYSTEM;
+ for (u = 0; u < MAX_LOCKS; u++)
+ {
+ if (FALSE == g_rgLockTable[u].fInUse)
+ {
+ pthread_mutex_init(&(g_rgLockTable[u].lock), NULL);
+ g_rgLockTable[u].fInUse = TRUE;
+ goto end;
+ }
+ }
+ u = (ULONG)-1; // no free slot
+
+ end:
+ UNLOCK_SYSTEM;
+ return(u);
+}
+
+FLAG
+SystemDeleteLock(ULONG u)
+{
+ LOCK_SYSTEM;
+ if ((u < MAX_LOCKS) && (g_rgLockTable[u].fInUse == TRUE))
+ {
+ pthread_mutex_destroy(&(g_rgLockTable[u].lock));
+ g_rgLockTable[u].fInUse = FALSE;
+ UNLOCK_SYSTEM;
+ return(TRUE);
+ }
+ UNLOCK_SYSTEM;
+ return(FALSE);
+}
+
+FLAG
+SystemBlockingWaitForLock(ULONG u)
+{
+ pthread_mutex_t *p = NULL;
+ LOCK_SYSTEM;
+ if ((u < MAX_LOCKS) && (g_rgLockTable[u].fInUse == TRUE))
+ {
+ p = &(g_rgLockTable[u].lock);
+ }
+ UNLOCK_SYSTEM;
+ if (p != NULL)
+ {
+ pthread_mutex_lock(p);
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+FLAG
+SystemReleaseLock(ULONG u)
+{
+ pthread_mutex_t *p = NULL;
+ LOCK_SYSTEM;
+ if ((u < MAX_LOCKS) && (g_rgLockTable[u].fInUse == TRUE))
+ {
+ p = &(g_rgLockTable[u].lock);
+ }
+ UNLOCK_SYSTEM;
+ if (p != NULL)
+ {
+ pthread_mutex_unlock(p);
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+#define MAX_SEM (8)
+int g_rgSemaphores[MAX_SEM];
+#ifdef DEBUG
+ULONG g_rgSemValues[MAX_SEM];
+#endif
+
+ULONG
+SystemCreateSemaphore(ULONG uValue)
+{
+ ULONG u;
+ union semun {
+ int val;
+ struct semid_ds *buf;
+ unsigned short *array;
+ } value;
+
+ if (uValue > MAX_USHORT) return((ULONG)-1);
+ LOCK_SYSTEM;
+ for (u = 0; u < MAX_SEM; u++)
+ {
+ if (g_rgSemaphores[u] < 0)
+ {
+ g_rgSemaphores[u] = semget(IPC_PRIVATE, 1, IPC_CREAT | 0600);
+ if (g_rgSemaphores[u] < 0)
+ {
+ u = (ULONG)-1;
+ goto end;
+ }
+ value.val = uValue;
+ if (semctl(g_rgSemaphores[u], 0, SETVAL, value) < 0)
+ {
+ (void)SystemDeleteSemaphore(u);
+ u = (ULONG)-1;
+ goto end;
+ }
+#ifdef DEBUG
+ g_rgSemValues[u] = uValue;
+ Trace("Semaphore #%u created, initial value is %u\n",
+ u, uValue);
+#endif
+ goto end;
+ }
+ }
+ u = (ULONG)-1;
+ end:
+ UNLOCK_SYSTEM;
+ return(u);
+}
+
+FLAG
+SystemDeleteSemaphore(ULONG u) {
+ union semun {
+ int val;
+ struct semid_ds *buf;
+ unsigned short *array;
+ } value;
+
+ LOCK_SYSTEM;
+ if ((u < MAX_SEM) && (g_rgSemaphores[u] >= 0))
+ {
+ if (semctl(g_rgSemaphores[u], 0, IPC_RMID, value) < 0)
+ {
+ return(FALSE);
+ }
+ g_rgSemaphores[u] = -1;
+ }
+ UNLOCK_SYSTEM;
+ return(TRUE);
+}
+
+void
+SystemReleaseSemaphoreResource(ULONG u)
+{
+ struct sembuf operation;
+
+ LOCK_SYSTEM;
+ if ((u < MAX_SEM) && (g_rgSemaphores[u] >= 0))
+ {
+ operation.sem_num = u;
+ operation.sem_op = +1;
+ operation.sem_flg = 0;
+ if (semop(g_rgSemaphores[u], &operation, 1) < 0)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "semop", (void *)errno, (void *)0,
+ __FILE__, __LINE__);
+ }
+#ifdef DEBUG
+ g_rgSemValues[u] += 1;
+ Trace("Semaphore #%u value incremented to %u\n", u,
+ g_rgSemValues[u]);
+#endif
+ }
+ UNLOCK_SYSTEM;
+}
+
+void
+SystemObtainSemaphoreResource(ULONG u)
+{
+ struct sembuf operation;
+
+ LOCK_SYSTEM;
+ if ((u < MAX_SEM) && (g_rgSemaphores[u] >= 0))
+ {
+ operation.sem_num = u;
+ operation.sem_op = -1;
+ operation.sem_flg = 0;
+ UNLOCK_SYSTEM;
+ if (semop(g_rgSemaphores[u], &operation, 1) < 0)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "semop", (void *)errno, (void *)1,
+ __FILE__, __LINE__);
+ }
+#ifdef DEBUG
+ if (g_rgSemValues[u] > 0)
+ {
+ g_rgSemValues[u] -= 1;
+ Trace("Semaphore #%u value decremented to %u\n", u,
+ g_rgSemValues[u]);
+ }
+#endif
+ return;
+ }
+ UNLOCK_SYSTEM;
+}
+
+
+FLAG
+SystemDependentInitialization(void)
+/**
+
+Routine description:
+
+ This code is called to initialize operating system dependent code.
+ It is unsynchronized. It should only ever be called once. It
+ should definitely never be called by two threads at once!
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG : TRUE on success, FALSE otherwise
+
+**/
+{
+ ULONG u;
+#ifdef DEBUG
+ static FLAG fInit = FALSE;
+
+ if (TRUE == fInit)
+ {
+ Bug("SystemDependentInitialization code called more than once!\n");
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ fInit = TRUE;
+
+ memset(g_AllocHash, 0, sizeof(g_AllocHash));
+#endif
+ for (u = 0; u < MAX_SEM; u++)
+ {
+ g_rgSemaphores[u] = -1;
+ }
+ InitializeListHead(&g_SystemThreadList);
+ pthread_mutex_init(&g_SystemLock, NULL);
+ return(TRUE);
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ util.c
+
+Abstract:
+
+ General purpose utility code to support the engine.
+
+Author:
+
+
+Revision History:
+
+ $Id: util.c 355 2008-07-01 15:46:43Z scott $
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uIterateDepth;
+extern ULONG g_uFullWidthDepth;
+
+#define STATE_UNKNOWN (0)
+#define STATE_HEADER (1)
+#define STATE_MOVELIST (2)
+
+CHAR *
+ReadNextGameFromPgnFile(FILE *pf)
+/**
+
+Routine description:
+
+ Reads the next game in a PGN file and returns a pointer to it.
+
+Parameters:
+
+ FILE *pf : open file pointer
+
+Return value:
+
+ CHAR * : NULL on error, else caller must free via SystemFreeMemory.
+
+**/
+{
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ CHAR *p;
+ long lStartOfGame = -1;
+ long lEndOfGame = -1;
+ long lBefore;
+ ULONG uBytes;
+ ULONG uState = STATE_UNKNOWN;
+
+ while(1)
+ {
+ lBefore = ftell(pf);
+ if (fgets(buf, ARRAY_LENGTH(buf), pf) <= 0)
+ {
+ //Trace("fgets failed, errno=%u.\n", errno);
+ break;
+ }
+
+ //
+ // Skip leading whitespace on this line...
+ //
+ p = buf;
+ while(*p && isspace(*p)) p++;
+
+ if (*p == '\0')
+ {
+ //
+ // We just read a blank line
+ //
+ switch(uState)
+ {
+ case STATE_UNKNOWN:
+ break;
+
+ case STATE_HEADER:
+ uState = STATE_MOVELIST;
+ break;
+
+ case STATE_MOVELIST:
+ lEndOfGame = lBefore;
+ uBytes = lEndOfGame - lStartOfGame;
+ if (uBytes <= 0)
+ {
+ return(NULL);
+ }
+
+ p = SystemAllocateMemory(uBytes + 1);
+ ASSERT(p);
+ fseek(pf, lStartOfGame, SEEK_SET);
+ if (1 != fread(p, uBytes, 1, pf))
+ {
+ SystemFreeMemory(p);
+ return(NULL);
+ }
+ p[uBytes] = '\0';
+ return(p);
+ }
+ }
+ else
+ {
+ //
+ // We saw a non-blank line
+ //
+ switch(uState)
+ {
+ case STATE_HEADER:
+ case STATE_MOVELIST:
+ break;
+
+ case STATE_UNKNOWN:
+ if (*p == '[')
+ {
+ uState = STATE_HEADER;
+ lStartOfGame = lBefore;
+ }
+ break;
+ }
+ }
+ }
+ return(NULL);
+}
+
+
+COMMAND(LearnPsqtFromPgn)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CHAR *szFilename;
+ ULONG uPSQT[12][128];
+ CHAR *pPGN;
+ FILE *pf = NULL;
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+ ULONG x, y, z;
+ double d;
+ struct stat s;
+#ifdef DEBUG
+ ULONG uHeap;
+#endif
+
+ if (argc < 2)
+ {
+ Trace("Error (missing filename)\n");
+ return;
+ }
+ szFilename = argv[1];
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("LearnPsqtFromPgn: file \"%s\" doesn't exist.\n",
+ szFilename);
+ return;
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("Stat failed.\n");
+ return;
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("LearnPsqtFromPgn: error reading file \"%s\".\n",
+ szFilename);
+ return;
+ }
+
+ memset(uPSQT, 0, sizeof(uPSQT));
+#ifdef DEBUG
+ ResetGameList();
+ uHeap = GetHeapMemoryUsage();
+#endif
+ while((pPGN = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ d = (double)ftell(pf);
+ d /= (double)s.st_size;
+ d *= 100.0;
+ printf("(%5.2f%% done)\r", d);
+
+ if (TRUE == LoadPgn(pPGN))
+ {
+ p = g_GameData.sMoveList.pFlink;
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if ((q->uNumber > 10) &&
+ (q->uNumber < 50) &&
+ (!q->mv.pCaptured))
+ {
+ uPSQT[q->mv.pMoved - 2][q->mv.cTo] += 1;
+ }
+ p = p->pFlink;
+ }
+ }
+ SystemFreeMemory(pPGN);
+#ifdef DEBUG
+ ResetGameList();
+ ASSERT(uHeap == GetHeapMemoryUsage());
+#endif
+ }
+ fclose(pf);
+
+ z = 0;
+ for (x = 0; x < 12; x++)
+ {
+ for (y = 0; y < 128; y++)
+ {
+ if (uPSQT[x][y] > z)
+ {
+ z = uPSQT[x][y];
+ }
+ }
+ }
+
+ Trace("ULONG g_PSQT[12][128] = {\n");
+ for (x = 0; x < 12; x++)
+ {
+ Trace("// Piece 0x%x (%s)\n", x + 2, PieceAbbrev((PIECE)(x + 2)));
+ Trace("{\n");
+
+ for (y = 0; y < 128; y++)
+ {
+ if (y % 16 == 0) Trace("\n");
+ d = (double)uPSQT[x][y];
+ d /= (double)z;
+ d *= (double)1000.0;
+ Trace("%4u,", (ULONG)d);
+ }
+ Trace("},\n");
+ }
+ Trace("};\n");
+}
+
+
+COMMAND(GeneratePositionAndBestMoveSuite)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFilename,
+
+Return value:
+
+ FLAG
+
+**/
+{
+ CHAR *szFilename;
+ CHAR *pPGN;
+ FILE *pf = NULL;
+ DLIST_ENTRY *p;
+ GAME_MOVE *q;
+ SEARCHER_THREAD_CONTEXT *ctx = NULL;
+ FLAG fPost = g_Options.fShouldPost;
+ struct stat s;
+ double d;
+ POSITION board;
+
+ if (argc < 2)
+ {
+ Trace("Error (missing filename)\n");
+ goto end;
+ }
+ szFilename = argv[1];
+
+ if (FALSE == SystemDoesFileExist(szFilename))
+ {
+ Trace("LearnPsqtFromPgn: file \"%s\" doesn't exist.\n",
+ szFilename);
+ goto end;
+ }
+
+ if (0 != stat(szFilename, &s))
+ {
+ Trace("Stat failed.\n");
+ goto end;
+ }
+
+ pf = fopen(szFilename, "rb");
+ if (NULL == pf)
+ {
+ Trace("LearnPsqtFromPgn: error reading file \"%s\".\n",
+ szFilename);
+ goto end;
+ }
+
+ ctx = SystemAllocateMemory(sizeof(SEARCHER_THREAD_CONTEXT));
+ if (NULL == ctx)
+ {
+ Trace("Out of memory.\n");
+ goto end;
+ }
+
+ g_Options.fShouldPost = FALSE;
+ while((pPGN = ReadNextGameFromPgnFile(pf)) != NULL)
+ {
+ d = (double)ftell(pf);
+ d /= (double)s.st_size;
+ d *= 100.0;
+ printf("(%5.2f%% done)\r", d);
+
+ if (TRUE == LoadPgn(pPGN))
+ {
+ p = g_GameData.sMoveList.pFlink;
+ while(p != &(g_GameData.sMoveList))
+ {
+ q = CONTAINING_STRUCT(p, GAME_MOVE, links);
+ if ((q->uNumber > 20) && (q->uNumber < 60))
+ {
+ if (FenToPosition(&board, q->szUndoPositionFen))
+ {
+ InitializeSearcherContext(&board, ctx);
+ g_MoveTimer.bvFlags = 0;
+ g_Options.fPondering = FALSE;
+ g_Options.fThinking = TRUE;
+ g_Options.fSuccessfulPonder = FALSE;
+
+ MaintainDynamicMoveOrdering();
+ DirtyHashTable();
+
+ g_MoveTimer.uNodeCheckMask = 0x1000 - 1;
+ g_MoveTimer.dStartTime = SystemTimeStamp();
+ g_MoveTimer.bvFlags = 0;
+ g_MoveTimer.dSoftTimeLimit =
+ g_MoveTimer.dStartTime + 3.0;
+ g_MoveTimer.dHardTimeLimit =
+ g_MoveTimer.dStartTime + 3.0;
+ g_Options.uMaxDepth = MAX_DEPTH_PER_SEARCH - 1;
+
+ //
+ // TODO: Set draw value
+ //
+#if (PERF_COUNTERS && MP)
+ ClearHelperThreadIdleness();
+#endif
+ GAME_RESULT result = Iterate(ctx);
+ if (result.eResult == RESULT_IN_PROGRESS) {
+ ASSERT(SanityCheckMove(&board,
+ ctx->sPlyInfo[0].PV[0]));
+ Trace("setboard %s\n", q->szUndoPositionFen);
+ Trace("gmmove %s\n", q->szMoveInSan);
+ Trace("solution %s\n",
+ MoveToSan(ctx->sPlyInfo[0].PV[0], &board));
+ }
+ }
+ }
+ p = p->pFlink;
+ }
+ }
+ SystemFreeMemory(pPGN);
+ }
+
+ end:
+ if (NULL != pf)
+ {
+ fclose(pf);
+ }
+
+ if (NULL != ctx)
+ {
+ SystemFreeMemory(ctx);
+ }
+
+ g_Options.fShouldPost = fPost;
+}
+
+
+char *
+FindChunk(char *sz, ULONG uTargetChunk)
+/**
+
+Routine description:
+
+ A support routine used by FenToPosition. Used to parse apart a
+ string and return the Nth chunk of text (delimited by whitespace)
+
+Parameters:
+
+ char *sz,
+ ULONG uTargetChunk
+
+Return value:
+
+ char *
+
+**/
+{
+ char *p = sz;
+ ULONG u = 0;
+
+ if (0 == uTargetChunk) return(p);
+
+ do
+ {
+ //
+ // Skip whitespace between chunks
+ //
+ while(isspace(*p) && *p) p++;
+ if (!*p) return(NULL);
+
+ u++;
+ if (u == uTargetChunk) return(p);
+
+ //
+ // Skip chunks
+ //
+ while(!isspace(*p) && &p) p++;
+ if (!*p) return(NULL);
+ }
+ while(1);
+
+#ifdef DEBUG
+ UtilPanic(SHOULD_NOT_GET_HERE,
+ NULL, NULL, NULL, NULL,
+ __FILE__, __LINE__);
+#endif
+ return(NULL);
+}
+
+
+
+CHAR *
+ScoreToString(SCORE iScore)
+/**
+
+Routine description:
+
+ Format a chess score as a string that looks like:
+
+ +0.100
+ -4.951
+ +MATE20
+ -MATE4
+ +0.000
+
+ etc...
+
+ Note: NOT thread safe.
+
+Parameters:
+
+ SCORE iScore
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static char szBuf[10];
+ ULONG uDist;
+
+ if (abs(iScore) < +NMATE)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf),
+ "%c%u.%02u",
+ (iScore < 0) ? '-' : '+',
+ abs(iScore / 100),
+ abs(iScore % 100));
+ return(szBuf);
+ }
+
+ if (iScore > 0)
+ {
+ uDist = +INFINITY - iScore;
+ uDist /= 2;
+ if (uDist)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "+MATE%u", uDist);
+ }
+ else
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "+MATE");
+ }
+ }
+ else
+ {
+ uDist = +INFINITY + iScore;
+ uDist /= 2;
+ if (uDist)
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "-MATE%u", uDist);
+ }
+ else
+ {
+ snprintf(szBuf, ARRAY_LENGTH(szBuf), "-MATE");
+ }
+ }
+ return(szBuf);
+}
+
+
+
+CHAR *
+CoorToString(COOR c)
+/**
+
+Routine description:
+
+ Take a chessboard coordinate and convert it into a string. Note:
+ NOT thread safe.
+
+Parameters:
+
+ COOR c
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static char buf[3];
+
+ if (IS_ON_BOARD(c))
+ {
+ buf[0] = 'a' + FILE(c);
+ buf[1] = '0' + RANK(c);
+ buf[2] = '\0';
+ }
+ else
+ {
+ buf[0] = '-';
+ buf[1] = '\0';
+ }
+ return(buf);
+}
+
+
+CHAR *
+ColorToString(ULONG u)
+/**
+
+Routine description:
+
+ Convert a color into a string ("WHITE" or "BLACK"). Callers
+ should not mess with the contents of the buffer returned!
+
+Parameters:
+
+ ULONG u
+
+Return value:
+
+ char
+
+**/
+{
+ static CHAR *szColor[2] =
+ {
+ "BLACK",
+ "WHITE"
+ };
+ ASSERT(IS_VALID_COLOR(u));
+ return(szColor[u]);
+}
+
+
+CHAR *
+TimeToString(double d)
+/**
+
+Routine description:
+
+ Convert a time value into a string. e.g.
+
+ 00:00:01.021 // seconds with ms
+ 00:15:21.998 // minutes+seconds
+ 01:59:23.232 // hours+minutes+sec
+ 27:08:11:103 // we don't do days
+
+ Note: NOT thread safe. The caller should not mess with the
+ buffer returned.
+
+Parameters:
+
+ double d
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ ULONG uTotalSecs = (ULONG)d;
+ double dFract = d - (double)uTotalSecs;
+ ULONG uHours;
+ ULONG uMinutes;
+ ULONG uFract;
+ static char buf[13];
+
+ dFract *= 1000;
+ uFract = (int)dFract;
+ uHours = uTotalSecs / 60 / 60;
+ uTotalSecs -= uHours * 60 * 60;
+ uMinutes = uTotalSecs / 60;
+ uTotalSecs -= uMinutes * 60;
+ ASSERT(uTotalSecs < 60);
+
+ if (uHours != 0)
+ {
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%2u:%02u:%02u.%03u",
+ uHours, uMinutes, uTotalSecs, uFract);
+ }
+ else
+ {
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%02u:%02u.%03u",
+ uMinutes, uTotalSecs, uFract);
+ }
+ return(buf);
+}
+
+
+FLAG
+BufferIsZeroed(BYTE *p, ULONG u)
+/**
+
+Routine description:
+
+ Verify that a buffer is zeroed out.
+
+Parameters:
+
+ BYTE *p : buffer start
+ ULONG u : buffer length
+
+Return value:
+
+ FLAG
+
+**/
+{
+ while(u)
+ {
+ if (*p != (BYTE)0)
+ {
+ return(FALSE);
+ }
+ p++;
+ u--;
+ }
+ return(TRUE);
+}
+
+
+void CDECL
+Trace(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace a logging message on stdout and to the logfile
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send to logfile
+ //
+ if (NULL != g_pfLogfile) {
+ fprintf(g_pfLogfile, buf);
+ }
+
+ //
+ // Send to stdout
+ //
+ fprintf(stdout, buf);
+ fflush(stdout);
+}
+
+
+void CDECL
+Log(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace a logging message to the logfile only
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send to logfile
+ //
+ if (NULL != g_pfLogfile) {
+ fprintf(g_pfLogfile, buf);
+ fflush(g_pfLogfile);
+ }
+}
+
+
+void CDECL
+Bug(CHAR *szMessage, ...)
+/**
+
+Routine description:
+
+ Trace an error message to stderr and the logfile
+
+Parameters:
+
+ CHAR *szMessage,
+ ...
+
+Return value:
+
+ void
+
+**/
+{
+ va_list ap; // Variable argument list
+ CHAR buf[MEDIUM_STRING_LEN_CHAR];
+
+ memset(buf, 0, sizeof(buf));
+
+ //
+ // Populate buffer
+ //
+ va_start(ap, szMessage);
+ COMPILER_VSNPRINTF(buf, MEDIUM_STRING_LEN_CHAR - 1, szMessage, ap);
+ va_end(ap);
+
+ //
+ // Send it to logfile
+ //
+ if (NULL != g_pfLogfile) {
+ fprintf(g_pfLogfile, buf);
+ fflush(g_pfLogfile);
+ }
+
+ //
+ // Send it to stderr
+ //
+ fprintf(stderr, buf);
+ fflush(stderr);
+}
+
+
+#ifdef DEBUG
+void
+_assert(CHAR *szFile, ULONG uLine)
+/**
+
+Routine description:
+
+ An assertion handler
+
+Parameters:
+
+ CHAR *szFile,
+ UINT uLine
+
+Return value:
+
+ void
+
+**/
+{
+ Bug("Assertion failure in %s, line %u.\n", szFile, uLine);
+ BREAKPOINT;
+}
+#endif
+
+
+ULONG
+AcquireSpinLock(volatile ULONG *pSpinlock)
+/**
+
+Routine description:
+
+ Atomically acquire a lock or spin trying.
+
+Parameters:
+
+ ULONG *pSpinlock : a pointer to the lock
+
+Return value:
+
+ ULONG : the number of times we had to spin
+
+**/
+{
+ ULONG uLoops = 0;
+ while(0 != LockCompareExchange(pSpinlock, 1, 0))
+ {
+ uLoops++;
+ }
+ ASSERT(*pSpinlock == 1);
+ return(uLoops);
+}
+
+FLAG
+TryAcquireSpinLock(volatile ULONG *pSpinlock)
+{
+ return(0 != LockCompareExchange(pSpinlock, 1, 0));
+}
+
+void
+ReleaseSpinLock(volatile ULONG *pSpinlock)
+/**
+
+Routine description:
+
+ Release a lock so someone else can acquire it.
+
+Parameters:
+
+ ULONG *pSpinlock : a pointer to the lock
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG u;
+ ASSERT(*pSpinlock == 1);
+ u = LockCompareExchange(pSpinlock, 0, 1);
+ ASSERT(u == 1);
+}
+
+
+FLAG
+BackupFile(CHAR *szFile)
+/**
+
+Routine description:
+
+ Backup a file to file.000. If file.000 already exists, back it up
+ to file.001 etc...
+
+ Note: this function is recursive and can require quite a lot of
+ stack space. Also it is full of race conditions and should not be
+ used when some other code may be accessing the filesystem at the
+ same time.
+
+Parameters:
+
+ CHAR *szFile : the file to backup
+
+Return value:
+
+ FLAG
+
+**/
+{
+ ULONG u;
+ CHAR buf[SMALL_STRING_LEN_CHAR];
+ CHAR *p;
+
+ if (TRUE == SystemDoesFileExist(szFile))
+ {
+ if ((strlen(szFile) > 3) &&
+ (isdigit(szFile[0])) &&
+ (isdigit(szFile[1])) &&
+ (isdigit(szFile[2])))
+ {
+ u = (szFile[0] - '0') * 100;
+ u += (szFile[1] - '0') * 10;
+ u += szFile[2] - '0' + 1;
+ p = &(szFile[3]);
+ }
+ else
+ {
+ u = 0;
+ p = szFile;
+ }
+ snprintf(buf, ARRAY_LENGTH(buf), "%03u%s", u, p);
+ if (TRUE == SystemDoesFileExist(buf))
+ {
+ BackupFile(buf);
+ }
+ return(SystemCopyFile(szFile, buf) && SystemDeleteFile(szFile));
+ }
+ return(FALSE);
+}
+
+
+BYTE
+Checksum(BYTE *p, ULONG uSize)
+/**
+
+Routine description:
+
+ Compute the checksum of a buffer.
+
+Parameters:
+
+ BYTE *p,
+ ULONG uSize
+
+Return value:
+
+ BYTE
+
+**/
+{
+ BYTE b = 0;
+ while(uSize)
+ {
+ b ^= *p;
+ p++;
+ uSize--;
+ }
+ return(b);
+}
+
+void
+FinishPVTailFromHash(SEARCHER_THREAD_CONTEXT *ctx,
+ CHAR *buf,
+ ULONG uLenRemain)
+{
+ MOVE PV[MAX_PLY_PER_SEARCH];
+ MOVE mv;
+ ULONG uPly = ctx->uPly;
+ ULONG uLen;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+
+ if (NULL == g_pHashTable) return;
+ do
+ {
+ mv = GetPonderMove(&ctx->sPosition);
+ if (mv.uMove == 0) break;
+ PV[ctx->uPly] = mv;
+
+ uLen = (ULONG)strlen(MoveToSan(mv, &ctx->sPosition)) + 1;
+ ASSERT(uLen <= 11);
+ if (uLenRemain <= uLen) break;
+ strcat(buf, MoveToSan(PV[ctx->uPly], &ctx->sPosition));
+ strcat(buf, " ");
+ uLenRemain -= uLen;
+
+ if (FALSE == MakeMove(ctx, mv)) break;
+ }
+ while(1);
+
+ //
+ // Unmake the moves
+ //
+ while(ctx->uPly > uPly)
+ {
+ UnmakeMove(ctx, PV[ctx->uPly - 1]);
+ }
+ ASSERT(ctx->uPly == uPly);
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+}
+
+
+
+char *
+WalkPV(SEARCHER_THREAD_CONTEXT *ctx)
+/**
+
+Routine description:
+
+ Return a string buffer representing the principle variation.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx
+
+Return value:
+
+ CHAR *
+
+**/
+{
+ static CHAR buf[SMALL_STRING_LEN_CHAR];
+ ULONG u = ctx->uPly;
+ ULONG v = u;
+ MOVE mv;
+#ifdef DEBUG
+ POSITION board;
+ memcpy(&board, &(ctx->sPosition), sizeof(POSITION));
+#endif
+
+ buf[0] = '\0';
+ while((mv.uMove = ctx->sPlyInfo[v].PV[u].uMove) != 0)
+ {
+ if (mv.uMove == HASHMOVE.uMove)
+ {
+ strncat(buf, "<TT> ", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ FinishPVTailFromHash(ctx, buf, ARRAY_LENGTH(buf) - strlen(buf));
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else if (mv.uMove == RECOGNMOVE.uMove)
+ {
+ strncat(buf, "<REC>", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else if (mv.uMove == DRAWMOVE.uMove)
+ {
+ strncat(buf, "<=>", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ ASSERT(ctx->sPlyInfo[v].PV[u+1].uMove == 0);
+ break;
+ }
+ else
+ {
+ strncat(buf, MoveToSan(mv, &ctx->sPosition),
+ ARRAY_LENGTH(buf) - strlen(buf));
+ strncat(buf, " ", ARRAY_LENGTH(buf) - strlen(buf) - 1);
+ }
+
+ if (FALSE == MakeMove(ctx, mv)) break;
+ u++;
+
+ if (strlen(buf) > (SMALL_STRING_LEN_CHAR - 10)) break;
+ }
+
+ //
+ // Unmake the moves
+ //
+ u--;
+ while(ctx->uPly > v)
+ {
+ UnmakeMove(ctx, ctx->sPlyInfo[v].PV[u]);
+ u--;
+ }
+ ASSERT(ctx->uPly == v);
+ ASSERT(PositionsAreEquivalent(&board, &ctx->sPosition));
+ return(buf);
+}
+
+
+void
+UtilPanic(ULONG uPanicCode,
+ POSITION *pos,
+ void *arg1, void *arg2, void *arg3,
+ char *szFile, ULONG uLine)
+{
+ Bug("Typhoon PANIC 0x%x (%p, %p, %p, %p)\n"
+ "Location: %s at line %u\n\n",
+ uPanicCode, pos, arg1, arg2, arg3, szFile, uLine);
+ Banner();
+ Bug("----------------------------------------------------------------\n");
+ switch(uPanicCode) {
+ case CANNOT_INITIALIZE_SPLIT:
+ case GOT_ILLEGAL_MOVE_WHILE_PONDERING:
+ case CANNOT_OFFICIALLY_MAKE_MOVE:
+ DumpPosition(pos);
+ DumpMove((ULONG)arg1);
+ break;
+ case INITIALIZATION_FAILURE:
+ Bug("%s\n", (char *)arg1);
+ break;
+ default:
+ break;
+ }
+ fflush(stdout);
+ fflush(g_pfLogfile);
+ BREAKPOINT;
+ exit(-1);
+}
+
+void
+UtilPrintPV(SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv)
+/**
+
+Routine description:
+
+ Print a PV out to stdout and the log.
+
+Parameters:
+
+ SEARCHER_THREAD_CONTEXT *ctx,
+ SCORE iAlpha,
+ SCORE iBeta,
+ SCORE iScore,
+ MOVE mv
+
+Return value:
+
+ void
+
+**/
+{
+ double dNow = SystemTimeStamp();
+
+ ASSERT(ctx->uThreadNumber == 0);
+ ASSERT(IS_VALID_SCORE(iAlpha));
+ ASSERT(IS_VALID_SCORE(iBeta));
+ ASSERT(iAlpha < iBeta);
+ ASSERT(IS_VALID_SCORE(iScore));
+
+ dNow -= g_MoveTimer.dStartTime;
+
+ //
+ // Set the last PV in the context if we have a root PV or a root
+ // fail high.
+ //
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ strncpy(ctx->szLastPV, WalkPV(ctx), SMALL_STRING_LEN_CHAR);
+ }
+ else if (iScore > iBeta)
+ {
+ strncpy(ctx->szLastPV, MoveToSan(mv, &(ctx->sPosition)),
+ SMALL_STRING_LEN_CHAR);
+ }
+
+ if ((TRUE == g_Options.fThinking) && (TRUE == g_Options.fShouldPost))
+ {
+ //
+ // Maybe output the PV. Note: xboard gets confused by PV
+ // lines that don't match its requirements exactly; if we are
+ // running under xboard, match its expected format. Otherwise
+ // be more helpful / verbose.
+ //
+ if ((dNow > 0.35) || ((dNow > 0.15) && (g_Options.fVerbosePosting)))
+ {
+ if (TRUE == g_Options.fRunningUnderXboard)
+ {
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ else if (iScore <= iAlpha)
+ {
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" FL --\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount);
+ }
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ Trace("%2u %6d %5u %-12"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s ++\n",
+ g_uIterateDepth,
+ iScore,
+ (ULONG)(dNow * 100),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ }
+ else // !running under xboard
+ {
+ if ((iAlpha < iScore) && (iScore < iBeta))
+ {
+ Trace("%2u %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ else if (iScore <= iAlpha)
+ {
+ Trace("%2u- %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" FL --\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount);
+ }
+ else
+ {
+ ASSERT(iScore >= iBeta);
+ Trace("%2u+ %5s %-9s %-11"
+ COMPILER_LONGLONG_UNSIGNED_FORMAT" %s ++\n",
+ g_uIterateDepth,
+ ScoreToString(iScore),
+ TimeToString(dNow),
+ ctx->sCounters.tree.u64TotalNodeCount,
+ ctx->szLastPV);
+ }
+ }
+ }
+ }
+}
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ vars.c
+
+Abstract:
+
+ This is code that implements variables in the engine. Some of
+ these variables are read only but others can be set by the engine
+ user to affect certain aspects of engine operation.
+
+Author:
+
+
+Revision History:
+
+ $Id: vars.c 354 2008-06-30 05:10:08Z scott $
+
+**/
+
+#include "chess.h"
+
+extern ULONG g_uNumInputEvents;
+
+typedef void(PUSERVARFUN)(void);
+
+//
+// Here's how we expose engine variables to the user.
+//
+typedef struct _USER_VARIABLE
+{
+ char *szName; // variable name
+ char *szType; // variable type:
+ // * - char *, strdup/free
+ // H - hash size
+ // B - boolean
+ // U - unsigned
+ // I - int
+ // M - move
+ // D - double
+ // S - string buffer
+ void *pValue; // pointer to value
+ PUSERVARFUN *pFunction; // funct to call when it changes
+} USER_VARIABLE;
+
+extern ULONG g_uBookProbeFailures;
+
+USER_VARIABLE g_UserVarList[] =
+{
+ { "AnnounceOpening",
+ "B",
+ (void *)&(g_Options.fShouldAnnounceOpening),
+ NULL },
+ { "BatchMode",
+ "b",
+ (void *)&(g_Options.fNoInputThread),
+ NULL },
+ { "BlackPlayer",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].szName),
+ NULL },
+ { "BlackRating",
+ "U",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].uRating),
+ NULL },
+ { "BlackDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].szDescription),
+ NULL },
+ { "BlackIsComputer",
+ "B",
+ (void *)&(g_GameData.sHeader.sPlayer[BLACK].fIsComputer),
+ NULL },
+ { "BookFileName",
+ "S",
+ (void *)&(g_Options.szBookName),
+ NULL },
+ { "BookProbeFailures",
+ "u",
+ (void *)&(g_uBookProbeFailures),
+ NULL },
+ { "ComputerTimeRemainingSec",
+ "U",
+ (void *)&(g_Options.uOpponentsClock),
+ NULL }, //&DoVerifyClocks },
+ { "EGTBPath",
+ "S",
+ (void *)&(g_Options.szEGTBPath),
+ InitializeEGTB },
+ { "FastScript",
+ "B",
+ (void *)&(g_Options.fFastScript),
+ NULL },
+ { "GameDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.szGameDescription),
+ NULL },
+ { "GameLocation",
+ "*",
+ (void *)&(g_GameData.sHeader.szLocation),
+ NULL },
+ { "GameIsRated",
+ "B",
+ (void *)&(g_GameData.sHeader.fGameIsRated),
+ NULL },
+ { "GameResultComment",
+ "*",
+ (void *)&(g_GameData.sHeader.result.szDescription),
+ NULL },
+ { "LastEval",
+ "I",
+ (void *)&(g_Options.iLastEvalScore),
+ NULL },
+ { "LogfileName",
+ "S",
+ (void *)&(g_Options.szLogfile),
+ NULL },
+ { "MoveToPonder",
+ "m",
+ (void *)&(g_Options.mvPonder),
+ NULL },
+ { "MovesPerTimePeriod",
+ "U",
+ (void *)&(g_Options.uMovesPerTimePeriod),
+ NULL },
+ { "OpponentTimeRemainingSec",
+ "U",
+ (void *)&(g_Options.uMyClock),
+ NULL }, //&DoVerifyClocks },
+ { "PendingInputEvents",
+ "u",
+ (void *)&(g_uNumInputEvents),
+ NULL },
+ { "PonderingNow",
+ "b",
+ (void *)&(g_Options.fPondering),
+ NULL },
+ { "PostLines",
+ "B",
+ (void *)&(g_Options.fShouldPost),
+ NULL },
+ { "ResignThreshold",
+ "I",
+ (void *)&(g_Options.iResignThreshold),
+ NULL },
+ { "SearchDepthLimit",
+ "U",
+ (void *)&(g_Options.uMaxDepth),
+ NULL }, //&DoVerifySearchDepth },
+ { "SearchTimeLimit",
+ "U",
+ (void *)&(g_Options.uMyIncrement),
+ NULL }, //&DoVerifySearchTime },
+ { "SearchStartedTime",
+ "d",
+ (void *)&(g_MoveTimer.dStartTime),
+ NULL },
+ { "SearchSoftTimeLimit",
+ "d",
+ (void *)&(g_MoveTimer.dSoftTimeLimit),
+ NULL },
+ { "SearchHardTimeLimit",
+ "d",
+ (void *)&(g_MoveTimer.dHardTimeLimit),
+ NULL },
+ { "SearchNodesBetweenTimeCheck",
+ "u",
+ (void *)&(g_MoveTimer.uNodeCheckMask),
+ NULL },
+ { "StatusLine",
+ "B",
+ (void *)&(g_Options.fStatusLine),
+ NULL },
+ { "ThinkOnOpponentsTime",
+ "B",
+ (void *)&(g_Options.fShouldPonder),
+ NULL },
+ { "ThinkingNow",
+ "b",
+ (void *)&(g_Options.fThinking),
+ NULL },
+ { "TournamentMode",
+ "B",
+ (void *)&(g_fTournamentMode),
+ NULL },
+ { "VerbosePosting",
+ "B",
+ (void *)&(g_Options.fVerbosePosting),
+ NULL },
+ { "WhitePlayer",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].szName),
+ NULL },
+ { "WhiteRating",
+ "U",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].uRating),
+ NULL },
+ { "WhiteDescription",
+ "*",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].szDescription),
+ NULL },
+ { "WhiteIsComputer",
+ "B",
+ (void *)&(g_GameData.sHeader.sPlayer[WHITE].fIsComputer),
+ NULL },
+ { "Xboard",
+ "B",
+ (void *)&(g_Options.fRunningUnderXboard),
+ NULL }
+};
+
+
+
+
+COMMAND(SetCommand)
+/**
+
+Routine description:
+
+ This function implements the 'set' engine command.
+
+ Usage:
+
+ set [variable name [value]]
+
+ With no arguments, set dumps a list of all variables and their
+ current values.
+
+ With one argument, set displays the specified variable's value.
+
+ With two arguments, set changes the value of the specified
+ variable to the given value.
+
+Parameters:
+
+ The COMMAND macro hides four arguments from the input parser:
+
+ CHAR *szInput : the full line of input
+ ULONG argc : number of argument chunks
+ CHAR *argv[] : array of ptrs to each argument chunk
+ POSITION *pos : a POSITION pointer to operate on
+
+Return value:
+
+ void
+
+**/
+{
+ ULONG x, y;
+ FLAG fFound;
+
+ if (argc == 1)
+ {
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ switch(toupper(g_UserVarList[x].szType[0]))
+ {
+ case 'H':
+ case 'U':
+ Trace("%-28s => %u\n",
+ g_UserVarList[x].szName,
+ *((unsigned int *)g_UserVarList[x].pValue));
+ break;
+ case 'I':
+ Trace("%-28s => %d\n",
+ g_UserVarList[x].szName,
+ *((int *)g_UserVarList[x].pValue));
+ break;
+ case 'S':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (char *)g_UserVarList[x].pValue);
+ break;
+ case 'M':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ MoveToIcs(*((MOVE *)g_UserVarList[x].pValue)));
+ break;
+ case 'B':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (*((FLAG *)g_UserVarList[x].pValue) == TRUE) ?
+ "TRUE" : "FALSE");
+ break;
+ case 'D':
+ Trace("%-28s => %f\n",
+ g_UserVarList[x].szName,
+ *((double *)g_UserVarList[x].pValue));
+ break;
+ case '*':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ *((char **)g_UserVarList[x].pValue));
+ break;
+ default:
+ Trace("%-28s => ???\n",
+ g_UserVarList[x].szName);
+ // ASSERT(FALSE);
+ break;
+ }
+ }
+ return;
+ }
+ else if (argc == 2)
+ {
+ fFound = FALSE;
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ if (!STRNCMPI(argv[1],
+ g_UserVarList[x].szName,
+ strlen(argv[1])))
+ {
+ fFound = TRUE;
+ switch(toupper(g_UserVarList[x].szType[0]))
+ {
+ case 'H':
+ case 'U':
+ Trace("%-28s => %u\n",
+ g_UserVarList[x].szName,
+ *((unsigned int *)g_UserVarList[x].pValue));
+ break;
+ case 'I':
+ Trace("%-28s => %d\n",
+ g_UserVarList[x].szName,
+ *((int *)g_UserVarList[x].pValue));
+ break;
+ case 'S':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (char *)g_UserVarList[x].pValue);
+ break;
+ case 'M':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ MoveToIcs(*((MOVE *)g_UserVarList[x].pValue)));
+ break;
+ case 'B':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ (*((FLAG *)g_UserVarList[x].pValue) == TRUE) ?
+ "TRUE" : "FALSE");
+ break;
+ case 'D':
+ Trace("%-28s => %f\n",
+ g_UserVarList[x].szName,
+ *((double *)g_UserVarList[x].pValue));
+ break;
+ case '*':
+ Trace("%-28s => \"%s\"\n",
+ g_UserVarList[x].szName,
+ *((char **)g_UserVarList[x].pValue));
+ break;
+ default:
+ Trace("%-28s => ???\n",
+ g_UserVarList[x].szName);
+ // ASSERT(FALSE);
+ break;
+ }
+ }
+ }
+
+ if (FALSE == fFound)
+ {
+ Trace("Error (invalid variable): %s\n", argv[1]);
+ }
+ return;
+ }
+ else
+ {
+ ASSERT(argc > 2);
+
+ fFound = FALSE;
+
+ for (x = 0;
+ x < ARRAY_SIZE(g_UserVarList);
+ x++)
+ {
+ if (!STRNCMPI(argv[1],
+ g_UserVarList[x].szName,
+ strlen(argv[1])))
+ {
+ fFound = TRUE;
+
+ if (islower(g_UserVarList[x].szType[0]))
+ {
+ Trace("Error (variable is read only): %s\n",
+ argv[1]);
+ }
+
+ switch(g_UserVarList[x].szType[0])
+ {
+ case 'H':
+ y = atoi(argv[2]);
+ if ((y < 0) || (y & (y - 1)))
+ {
+ Trace("Error (invalid size): %d\n", y);
+ }
+ else
+ {
+ *((int *)g_UserVarList[x].pValue) = y;
+ }
+ break;
+
+ case '*':
+ if (NULL != *((char **)g_UserVarList[x].pValue))
+ {
+ SystemFreeMemory( *((char **)g_UserVarList[x].pValue ) );
+ }
+ *((char **)g_UserVarList[x].pValue) = STRDUP(argv[2]);
+ if (NULL == *((char **)g_UserVarList[x].pValue))
+ {
+ Trace("Error (out of memory)\n");
+ return;
+ }
+ break;
+
+ case 'S':
+ strncpy(((char *)g_UserVarList[x].pValue),
+ argv[2],
+ 127);
+ break;
+
+ case 'U':
+ y = atoi(argv[2]);
+ if (y < 0)
+ {
+ Trace("Error (invalid value): %d\n", y);
+ return;
+ }
+ *((unsigned *)g_UserVarList[x].pValue) = y;
+ break;
+
+ case 'I':
+ y = atoi(argv[2]);
+ *((int *)g_UserVarList[x].pValue) = y;
+ break;
+
+ case 'B':
+ if (toupper(*(argv[2])) == 'T')
+ {
+ *((FLAG *)g_UserVarList[x].pValue) = TRUE;
+ }
+ else if (toupper(*(argv[2])) == 'F')
+ {
+ *((FLAG *)g_UserVarList[x].pValue) = FALSE;
+ }
+ else
+ {
+ Trace("Error (invalid value, must be TRUE or "
+ "FALSE): %s\n", argv[2]);
+ }
+ break;
+
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+
+ if (NULL != g_UserVarList[x].pFunction)
+ {
+ (void)(g_UserVarList[x].pFunction)();
+ }
+ }
+ }
+
+ if (FALSE == fFound)
+ {
+ Trace("Error (invalid variable): %s\n", argv[1]);
+ }
+ }
+}
+
+//
+// TODO: unset?
+//
--- /dev/null
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+ win32.c
+
+Abstract:
+
+ Windows(R) operating system dependent code.
+
+Author:
+
+
+Revision History:
+
+ $Id: win32.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+#define _WIN32_WINNT 0x403
+
+#pragma warning(disable:4142) // benign redefinition of type
+#include <windows.h>
+#pragma warning(default:4142)
+
+#define SYS_MAX_HEAP_ALLOC_SIZE_BYTES 0xfff
+
+//
+// Global system lock
+//
+CRITICAL_SECTION g_SystemLock;
+#define LOCK_SYSTEM EnterCriticalSection(&g_SystemLock)
+#define UNLOCK_SYSTEM LeaveCriticalSection(&g_SystemLock)
+
+//
+// Thread table
+//
+typedef struct _SYSTEM_THREAD_TABLE_ENTRY
+{
+ DLIST_ENTRY links;
+ ULONG uWrapperHandle;
+ ULONG uTid;
+ ULONG uThreadParam;
+ THREAD_ENTRYPOINT *pEntry;
+ ULONG uExitCode;
+ HANDLE hThread;
+}
+SYSTEM_THREAD_TABLE_ENTRY;
+DLIST_ENTRY g_SystemThreadList;
+
+//
+// Global buffer to hold a bunch of system dependent numbers / settings
+//
+typedef struct _SYS_INFORMATION_BUFFER
+{
+ FLAG fPopulated;
+ SYSTEM_INFO si;
+ OSVERSIONINFOEX vi;
+ MEMORYSTATUS ms;
+}
+SYS_INFORMATION_BUFFER;
+SYS_INFORMATION_BUFFER g_SystemInfoBuffer;
+
+//
+// The frequency and type of our TimeStamp timer
+//
+double g_dTimeStampFrequency = 0.0;
+ULONG g_uTimeStampType = 0;
+ULONG g_uMaxHeapAllocationSize = 0;
+
+//
+// A history of allocations
+//
+#ifdef DEBUG
+ULONG g_uTotalAlloced = 0;
+
+#define ALLOC_HASH_SIZE 0x4000
+
+typedef struct _ALLOC_RECORD
+{
+ void *p;
+ ULONG uSize;
+} ALLOC_RECORD;
+ALLOC_RECORD g_AllocHash[ALLOC_HASH_SIZE];
+
+#define PTR_TO_ALLOC_HASH(x) ((((ULONG_PTR)(x)) >> 3) & (ALLOC_HASH_SIZE - 1))
+
+ULONG
+GetHeapMemoryUsage(void)
+{
+ Trace("There are now %u bytes outstanding.\n", g_uTotalAlloced);
+ return(g_uTotalAlloced);
+}
+
+static void
+ReleaseAllocHashEntry(void *p)
+{
+ ULONG u = PTR_TO_ALLOC_HASH(p);
+ ULONG v = u;
+
+ LOCK_SYSTEM;
+ while(g_AllocHash[u].p != p)
+ {
+ u++;
+ u &= (ALLOC_HASH_SIZE - 1);
+ if (v == u) return;
+ }
+ g_AllocHash[u].p = NULL;
+ g_uTotalAlloced -= g_AllocHash[u].uSize;
+ UNLOCK_SYSTEM;
+
+// Trace("Freed %u bytes at 0x%p.\n", g_AllocHash[u].uSize, p);
+}
+
+static void
+MarkAllocHashEntry(void *p, ULONG uSize)
+{
+ ULONG u = PTR_TO_ALLOC_HASH(p);
+
+ if (uSize > (1024 * 1024 * 30)) return;
+
+ LOCK_SYSTEM;
+ while(g_AllocHash[u].p != NULL)
+ {
+ u++;
+ u &= (ALLOC_HASH_SIZE - 1);
+ }
+ g_AllocHash[u].p = p;
+ g_AllocHash[u].uSize = uSize;
+ g_uTotalAlloced += uSize;
+ UNLOCK_SYSTEM;
+
+// Trace("Alloc %u bytes at 0x%p.\n", g_AllocHash[u].uSize, p);
+}
+#endif
+
+
+CHAR *
+SystemStrDup(CHAR *p)
+/**
+
+Routine description:
+
+ Local implementation of strdup
+
+Parameters:
+
+ CHAR *p
+
+Return value:
+
+ CHAR
+
+**/
+{
+ CHAR *q = SystemAllocateMemory((ULONG)strlen(p) + 1);
+
+ ASSERT(strlen(p) < (size_t)MAX_ULONG);
+ strcpy(q, p);
+ return(q);
+}
+
+
+CHAR *
+SystemGetDateString(void)
+/**
+
+Routine description:
+
+ Get the current date as a string.
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR
+
+**/
+{
+ static CHAR buf[32];
+ SYSTEMTIME st;
+
+ GetSystemTime(&st);
+
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%u.%02u.%02u", st.wYear, st.wMonth, st.wDay);
+ return(buf);
+}
+
+
+CHAR *
+SystemGetTimeString(void)
+/**
+
+Routine description:
+
+ Get the current time as a string.
+
+Parameters:
+
+ void
+
+Return value:
+
+ CHAR
+
+**/
+{
+ static CHAR buf[32];
+ SYSTEMTIME st;
+
+ GetSystemTime(&st);
+
+ snprintf(buf, ARRAY_LENGTH(buf),
+ "%u:%02u:%02u", st.wHour, st.wMinute, st.wSecond);
+ return(buf);
+}
+
+
+void
+SystemDeferExecution(ULONG uMs)
+/**
+
+Routine description:
+
+ Sleep for some number of milliseconds.
+
+Parameters:
+
+ ULONG uMs
+
+Return value:
+
+ void
+
+**/
+{
+ Sleep(uMs);
+}
+
+static SYSTEM_THREAD_TABLE_ENTRY *
+_SystemGetThreadTableEntry(ULONG uThreadHandle)
+/**
+
+Routine description:
+
+ Support code for the thread functionality wrapper. Given a thread
+ "handle" return its thread table struct.
+
+Parameters:
+
+ ULONG uThreadHandle
+
+Return value:
+
+ SYSTEM_THREAD_TABLE_ENTRY *
+
+**/
+{
+ DLIST_ENTRY *p;
+ SYSTEM_THREAD_TABLE_ENTRY *q;
+
+ LOCK_SYSTEM;
+ p = g_SystemThreadList.pFlink;
+ while(p != &g_SystemThreadList)
+ {
+ q = CONTAINING_STRUCT(p, SYSTEM_THREAD_TABLE_ENTRY, links);
+ if (q->uWrapperHandle == uThreadHandle)
+ {
+ goto end;
+ }
+ p = p->pFlink;
+ }
+ q = NULL;
+ end:
+ UNLOCK_SYSTEM;
+ return(q);
+}
+
+int WINAPI
+SystemThreadEntryPoint(VOID *pParam)
+/**
+
+Routine description:
+
+ The real entry point of all new threads. It calls into the user
+ specified entry point.
+
+Parameters:
+
+ VOID *pParam
+
+Return value:
+
+ int WINAPI
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *p = (SYSTEM_THREAD_TABLE_ENTRY *)pParam;
+ ULONG uParam;
+ int i;
+
+ LOCK_SYSTEM;
+ UNLOCK_SYSTEM;
+
+ uParam = p->uThreadParam;
+ i = (int)(*(p->pEntry))(uParam);
+ return(i);
+}
+
+FLAG
+SystemCreateThread(THREAD_ENTRYPOINT *pEntry, ULONG uParam, ULONG *puHandle)
+/**
+
+Routine description:
+
+ Wrapper function to expose create thread functionality.
+
+Parameters:
+
+ THREAD_ENTRYPOINT *pEntry,
+ ULONG uParam,
+ ULONG *puHandle
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *p;
+
+ p = HeapAlloc(GetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ sizeof(SYSTEM_THREAD_TABLE_ENTRY));
+ if (NULL == p)
+ {
+ *puHandle = 0;
+ return(FALSE);
+ }
+
+ LOCK_SYSTEM;
+ p->pEntry = pEntry;
+ p->uThreadParam = uParam;
+ p->hThread = CreateThread(NULL,
+ 0x6000,
+ SystemThreadEntryPoint,
+ (VOID *)p,
+ 0,
+ &(p->uTid));
+ if (NULL == p->hThread)
+ {
+ (void)HeapFree(GetProcessHeap(), 0, p);
+ return(FALSE);
+ }
+ *puHandle = p->uWrapperHandle = p->uTid;
+ InsertHeadList(&g_SystemThreadList, &(p->links));
+ UNLOCK_SYSTEM;
+ return(TRUE);
+}
+
+
+FLAG
+SystemWaitForThreadToExit(ULONG uThreadHandle)
+/**
+
+Routine description:
+
+ Wait for the specified thread to exit.
+
+Parameters:
+
+ ULONG uThreadHandle
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *q = _SystemGetThreadTableEntry(uThreadHandle);
+
+ if (WAIT_OBJECT_0 != WaitForSingleObject(q->hThread, INFINITE))
+ {
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ return(TRUE);
+}
+
+
+FLAG
+SystemGetThreadExitCode(ULONG uThreadHandle, ULONG *puCode)
+/**
+
+Routine description:
+
+ Get the specified thread's exit value.
+
+Parameters:
+
+ ULONG uThreadHandle,
+ ULONG *puCode
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *q = _SystemGetThreadTableEntry(uThreadHandle);
+ ULONG uCode;
+
+ if (FALSE == GetExitCodeThread(q->hThread, &uCode))
+ {
+ return(FALSE);
+ }
+ if (STILL_ACTIVE == uCode)
+ {
+ return(FALSE);
+ }
+ *puCode = uCode;
+ return(TRUE);
+}
+
+
+FLAG
+SystemDeleteThread(ULONG uThreadHandle)
+/**
+
+Routine description:
+
+ Terminate a thread.
+
+Parameters:
+
+ ULONG uThreadHandle
+
+Return value:
+
+ FLAG
+
+**/
+{
+ SYSTEM_THREAD_TABLE_ENTRY *q = _SystemGetThreadTableEntry(uThreadHandle);
+ ULONG u;
+
+ if (NULL != q)
+ {
+ if (FALSE == SystemGetThreadExitCode(uThreadHandle, &u))
+ {
+ SystemWaitForThreadToExit(uThreadHandle);
+ }
+ CloseHandle(q->hThread);
+ LOCK_SYSTEM;
+ RemoveEntryList(&(q->links));
+ HeapFree(GetProcessHeap(), 0, q);
+ UNLOCK_SYSTEM;
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+static void
+_SystemPopulateSystemInformationBuffer(void)
+/**
+
+Routine description:
+
+ Populates global structure SYS_INFORMATION_BUFFER. This code should
+ be called only once from SystemDependentInitialization. It should
+ definitely never be called by more than one thread at a time.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+#ifdef DEBUG
+ static FLAG fInit = FALSE;
+
+ if (TRUE == fInit)
+ {
+ Bug("_SystemPopulateSystemInformationBuffer: This code should "
+ "not be called more than once!\n");
+ ASSERT(FALSE);
+ }
+ fInit = TRUE;
+#endif
+
+ //
+ // Make some calls to populate the global buffer
+ //
+ GetSystemInfo(&(g_SystemInfoBuffer.si));
+
+ //
+ // Note: This API is not present on Win9x
+ //
+ g_SystemInfoBuffer.vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
+ if (FALSE == GetVersionEx((OSVERSIONINFO *)&(g_SystemInfoBuffer.vi)))
+ {
+ Bug("_SystemPopulateSystemInformationBuffer: GetVersionEx "
+ "call failed, error=%u.\n", GetLastError());
+ ASSERT(FALSE);
+ }
+
+ GlobalMemoryStatus(&(g_SystemInfoBuffer.ms));
+
+ g_SystemInfoBuffer.fPopulated = TRUE;
+}
+
+
+static FLAG
+_SystemEnablePrivilege(TCHAR *szPrivilegeName,
+ FLAG fEnable)
+/**
+
+Routine description:
+
+ This code is called by SystemDependentInitialization to add some
+ privileges to our process' security token.
+
+Parameters:
+
+ TCHAR *szPrivilegeName,
+ FLAG fEnable
+
+Return value:
+
+ FLAG
+
+**/
+{
+ FLAG fMyRetVal = FALSE; // our return value
+ HANDLE hToken = INVALID_HANDLE_VALUE; // handle to process token
+ PTOKEN_PRIVILEGES pNewPrivileges; // privs to enable/disable
+ LUID Luid; // priv as a LUID
+ BYTE buf[sizeof(TOKEN_PRIVILEGES)+
+ ((1 - ANYSIZE_ARRAY) * sizeof(LUID_AND_ATTRIBUTES))];
+
+ pNewPrivileges = (PTOKEN_PRIVILEGES)buf;
+
+ //
+ // Try to open the thread's security token first.
+ //
+ if (FALSE == OpenThreadToken(GetCurrentThread(),
+ TOKEN_ADJUST_PRIVILEGES,
+ FALSE,
+ &hToken))
+ {
+ //
+ // Well that failed. If it is because there is no thread token then
+ // try to open the process' security token.
+ //
+ if (ERROR_NO_TOKEN == GetLastError())
+ {
+ if (FALSE == OpenProcessToken(GetCurrentProcess(),
+ TOKEN_ADJUST_PRIVILEGES,
+ &hToken))
+ {
+ //
+ // Can't open the process token either. Fail.
+ //
+ goto end;
+ }
+ }
+ else
+ {
+ //
+ // Failed to open the thread token for some other reason. Fail.
+ //
+ goto end;
+ }
+ }
+
+ //
+ // Convert priv name to an LUID.
+ //
+ if (FALSE == LookupPrivilegeValue(NULL,
+ szPrivilegeName,
+ &Luid))
+ {
+ goto end;
+ }
+
+ //
+ // Construct new data struct to enable / disable the privi.
+ //
+ pNewPrivileges->PrivilegeCount = 1;
+ pNewPrivileges->Privileges[0].Luid = Luid;
+ pNewPrivileges->Privileges[0].Attributes =
+ fEnable ? SE_PRIVILEGE_ENABLED : 0;
+
+ //
+ // Adjust the privileges on the token.
+ //
+ fMyRetVal = AdjustTokenPrivileges(hToken,
+ FALSE,
+ pNewPrivileges,
+ 0,
+ NULL,
+ NULL);
+ if (TRUE == fMyRetVal)
+ {
+ //
+ // This boneheaded API returns TRUE and then expects the
+ // caller to test GetLastError to see if it really worked.
+ //
+ if (ERROR_SUCCESS != GetLastError())
+ {
+ fMyRetVal = FALSE;
+ }
+ }
+
+ end:
+ if (INVALID_HANDLE_VALUE != hToken)
+ {
+ CloseHandle(hToken);
+ }
+ return(fMyRetVal);
+}
+
+
+void FORCEINLINE
+SystemDebugBreakpoint(void)
+/**
+
+Routine description:
+
+ A hardcoded breakpoint.
+
+Parameters:
+
+ void
+
+Return value:
+
+ void
+
+**/
+{
+ DebugBreak();
+}
+
+#define SYS_HIGH_PERFORMANCE_TIMER (1)
+#define SYS_GET_TICK_COUNT (2)
+#define SYS_MS_PER_SECOND (1000)
+
+double
+SystemTimeStamp(void)
+/**
+
+Routine description:
+
+ Return a timestamp to the caller. The precision of this timestamp
+ is based on whether the machine supports a high resolution timer.
+ If not, this code rolls back to use GetTickCount().
+
+ This code relies on some initialization code in SystemDependent-
+ Initialization. Once that code has executed, this code is thread
+ safe.
+
+Parameters:
+
+ void
+
+Return value:
+
+ double
+
+**/
+{
+ double dRetVal;
+ UINT64 u64;
+
+ switch(g_uTimeStampType)
+ {
+ case SYS_HIGH_PERFORMANCE_TIMER:
+ QueryPerformanceCounter((LARGE_INTEGER *)&u64);
+ dRetVal = u64 * g_dTimeStampFrequency;
+ break;
+ case SYS_GET_TICK_COUNT:
+ dRetVal = GetTickCount() / SYS_MS_PER_SECOND;
+ break;
+ default:
+ dRetVal = 0.0;
+ Bug("SystemTimeStamp: You have to call SystemDependent"
+ "Initialization before you can call this code.\n");
+ ASSERT(FALSE);
+ break;
+ }
+ return(dRetVal);
+}
+
+
+FLAG
+SystemDoesFileExist(CHAR *szFilename)
+/**
+
+Routine description:
+
+ Determine if a file exists (non-atomically).
+
+Parameters:
+
+ CHAR *szFilename
+
+Return value:
+
+ FLAG
+
+**/
+{
+ if (INVALID_FILE_ATTRIBUTES == GetFileAttributesA(szFilename))
+ {
+ if (GetLastError() == ERROR_FILE_NOT_FOUND)
+ {
+ return(FALSE);
+ }
+ }
+ return(TRUE);
+}
+
+
+static FLAG
+_SystemIsAdministrator(void)
+/**
+
+Routine description:
+
+ This code is called by SystemDependentInitialization. Its job is to
+ determine whether this process is running with administrative powers.
+
+Parameters:
+
+ void
+
+Return value:
+
+ static FLAG
+
+**/
+{
+ BOOL fIsMember = FALSE; // our return value
+ SID *pAdminSid = NULL; // ptr to admin sid
+ SID_IDENTIFIER_AUTHORITY NtAuthority = // used to create admin sid
+ SECURITY_NT_AUTHORITY;
+
+ //
+ // Allocate and initialize a SID for the admin group.
+ //
+ if (FALSE == AllocateAndInitializeSid(&NtAuthority,
+ 2,
+ SECURITY_BUILTIN_DOMAIN_RID,
+ DOMAIN_ALIAS_RID_ADMINS,
+ 0, 0, 0, 0, 0, 0,
+ &pAdminSid))
+ {
+ goto end;
+ }
+
+ //
+ // SID allocation succeeded, check this thread or process token
+ // for membership in the admin group.
+ //
+ if (FALSE == CheckTokenMembership(NULL,
+ pAdminSid,
+ &fIsMember))
+ {
+ fIsMember = FALSE;
+ }
+
+ end:
+ if (NULL != pAdminSid)
+ {
+ FreeSid(pAdminSid);
+ }
+
+ return(fIsMember);
+}
+
+
+static void *
+_SystemCallVirtualAlloc(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Wrapper around VirtualAlloc
+
+Parameters:
+
+ ULONG dwSizeBytes
+
+Return value:
+
+ static void
+
+**/
+{
+ SIZE_T size = dwSizeBytes;
+ void *pMem = NULL;
+
+ pMem = VirtualAlloc(NULL,
+ size,
+ MEM_RESERVE | MEM_COMMIT,
+ PAGE_READWRITE);
+ if (NULL == pMem)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "VirtualAlloc", GetLastError(), size,
+ __FILE__, __LINE__);
+ }
+ return(pMem);
+}
+
+static void
+_SystemCallVirtualFree(void *pMem)
+/**
+
+Routine description:
+
+ Wrapper around VirtualFree
+
+Parameters:
+
+ void *pMem
+
+Return value:
+
+ static void
+
+**/
+{
+ BOOL fRetVal = FALSE;
+
+ if (NULL != pMem)
+ {
+ fRetVal = VirtualFree(pMem, 0, MEM_RELEASE);
+ if (FALSE == fRetVal)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "VirtualFree", GetLastError(), pMem,
+ __FILE__, __LINE__);
+ }
+ }
+}
+
+static void *
+_SystemCallHeapAlloc(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Wrapper around HeapAlloc. Returns a zeroed buffer from the heap.
+ While on the subject of heaps, let me take a moment to extol the
+ value of the Win32 Application Verifier / PageHeap code. This is
+ code that sanity checks the actions of an app. It is especially
+ good at finding heap misuse (double frees, reuse after free,
+ buffer overruns, etc...) It also catches things like
+ CRITICAL_SECTION abuse and HANDLE abuse. To enable it, use
+ appverif.exe.
+
+Parameters:
+
+ ULONG dwSizeBytes
+
+Return value:
+
+ static void
+
+**/
+{
+ void *p = HeapAlloc(GetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ dwSizeBytes);
+ if (NULL == p)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "HeapAlloc", GetLastError(), dwSizeBytes,
+ __FILE__, __LINE__);
+ }
+ return(p);
+}
+
+static void
+_SystemCallHeapFree(void *pMem)
+/**
+
+Routine description:
+
+ Wrapper around HeapFree
+
+Parameters:
+
+ void *pMem
+
+Return value:
+
+ static void
+
+**/
+{
+ if (FALSE == HeapFree(GetProcessHeap(),
+ 0,
+ pMem))
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "HeapFree", GetLastError(), pMem,
+ __FILE__, __LINE__);
+ }
+}
+
+void
+SystemFreeMemory(void *pMem)
+/**
+
+Routine description:
+
+ Free memory
+
+Parameters:
+
+ void *pMem
+
+Return value:
+
+ static void
+
+**/
+{
+ _SystemCallHeapFree(pMem);
+#ifdef DEBUG
+ ReleaseAllocHashEntry(pMem);
+#endif
+}
+
+void *
+SystemAllocateMemory(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Allocate some memory, either from the heap or from VirtualAlloc
+ depending on the size of the request. The buffer returned by
+ this call is guaranteed to be zeroed out. Buffers allocated by
+ this call should be freed via a call to SystemFreeMemory when
+ they are no longer needed.
+
+Parameters:
+
+ ULONG dwSizeBytes : size of the buffer needed in bytes
+
+Return value:
+
+ void
+
+**/
+{
+ BYTE *p;
+
+ p = _SystemCallHeapAlloc(dwSizeBytes);
+#ifdef DEBUG
+ MarkAllocHashEntry(p, dwSizeBytes);
+#endif
+ return(p);
+}
+
+
+void *
+SystemAllocateLockedMemory(ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+ Allocate a buffer that is locked in memory (i.e. non-pagable).
+
+Parameters:
+
+ ULONG dwSizeBytes
+
+Return value:
+
+ void
+
+**/
+{
+ void *p = _SystemCallVirtualAlloc(dwSizeBytes);
+
+ if (NULL != p)
+ {
+ if (FALSE == VirtualLock(p, dwSizeBytes))
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "VirtualLock", GetLastError(), p,
+ __FILE__, __LINE__);
+ }
+ }
+#ifdef DEBUG
+ MarkAllocHashEntry(p, dwSizeBytes);
+#endif
+ return(p);
+}
+
+
+FLAG
+SystemMakeMemoryReadOnly(void *pMemory,
+ ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+Parameters:
+
+ void *pMemory,
+ ULONG dwSizeBytes
+
+Return value:
+
+ FLAG
+
+**/
+{
+ BOOL fRetVal = FALSE;
+ ULONG dwJunk;
+
+ fRetVal = VirtualProtect(pMemory,
+ dwSizeBytes,
+ PAGE_READONLY,
+ &dwJunk);
+ if (FALSE == fRetVal)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "VirtualProtect", GetLastError(), pMemory,
+ __FILE__, __LINE__);
+ }
+ return((FLAG)fRetVal);
+}
+
+FLAG
+SystemMakeMemoryNoAccess(void *pMemory,
+ ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+Parameters:
+
+ void *pMemory,
+ ULONG dwSizeBytes
+
+Return value:
+
+ FLAG
+
+**/
+{
+ BOOL fRetVal = FALSE;
+ ULONG dwJunk;
+
+ fRetVal = VirtualProtect(pMemory,
+ dwSizeBytes,
+ PAGE_NOACCESS,
+ &dwJunk);
+ if (FALSE == fRetVal)
+ {
+ UtilPanic(UNEXPECTED_SYSTEM_CALL_FAILURE,
+ NULL, "VirtualProtect", GetLastError(), pMemory,
+ __FILE__, __LINE__);
+ }
+ return((FLAG)fRetVal);
+}
+
+
+FLAG
+SystemCopyFile(CHAR *szSource, CHAR *szDest)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szSource,
+ CHAR *szDest
+
+Return value:
+
+ FLAG
+
+**/
+{
+ return(CopyFileA(szSource, szDest, TRUE));
+}
+
+
+FLAG
+SystemDeleteFile(CHAR *szFile)
+/**
+
+Routine description:
+
+Parameters:
+
+ CHAR *szFile
+
+Return value:
+
+ FLAG
+
+**/
+{
+ return(DeleteFileA(szFile));
+}
+
+
+FLAG
+SystemMakeMemoryReadWrite(void *pMemory, ULONG dwSizeBytes)
+/**
+
+Routine description:
+
+Parameters:
+
+ void *pMemory,
+ ULONG dwSizeBytes
+
+Return value:
+
+ FLAG
+
+**/
+{
+ BOOL fRetVal = FALSE;
+ ULONG dwJunk;
+
+ fRetVal = VirtualProtect(pMemory,
+ dwSizeBytes,
+ PAGE_READWRITE,
+ &dwJunk);
+ if (FALSE == fRetVal)
+ {
+ Bug("SystemMakeMemoryReadWrite: VirtualProtect for buffer at %p "
+ "(size %u) failed, error=%u.\n", pMemory, dwSizeBytes,
+ GetLastError());
+ }
+ return(fRetVal);
+}
+
+
+UINT64 FASTCALL
+SystemReadTimeStampCounter(void)
+/**
+
+Routine description:
+
+Parameters:
+
+ void
+
+Return value:
+
+ UINT64 FASTCALL
+
+**/
+{
+#if defined(_X86_)
+ _asm {
+ rdtsc
+ }
+#elif defined(_AMD64_)
+ UINT64 itc;
+ itc = __rdtsc();
+ return itc;
+#elif defined(_IA64_)
+ UINT64 itc;
+ itc = __getReg(CV_IA64_ApITC);
+ return itc;
+#else
+#error Unknown architecture
+#endif
+}
+
+#define MAX_LOCKS (8)
+typedef struct _WIN32_LOCK_ENTRY
+{
+ CRITICAL_SECTION lock;
+ FLAG fInUse;
+} WIN32_LOCK_ENTRY;
+WIN32_LOCK_ENTRY g_rgLockTable[MAX_LOCKS];
+
+ULONG
+SystemCreateLock(void)
+{
+ ULONG u;
+
+ LOCK_SYSTEM;
+ for (u = 0; u < MAX_LOCKS; u++)
+ {
+ if (FALSE == g_rgLockTable[u].fInUse)
+ {
+ InitializeCriticalSection(&(g_rgLockTable[u].lock));
+ g_rgLockTable[u].fInUse = TRUE;
+ goto end;
+ }
+ }
+ u = (ULONG)-1; // no free slot
+
+ end:
+ UNLOCK_SYSTEM;
+ return(u);
+}
+
+FLAG
+SystemDeleteLock(ULONG u)
+{
+ LOCK_SYSTEM;
+ if ((u < MAX_LOCKS) && (g_rgLockTable[u].fInUse == TRUE))
+ {
+ DeleteCriticalSection(&(g_rgLockTable[u].lock));
+ g_rgLockTable[u].fInUse = FALSE;
+ UNLOCK_SYSTEM;
+ return(TRUE);
+ }
+ UNLOCK_SYSTEM;
+ return(FALSE);
+}
+
+FLAG
+SystemBlockingWaitForLock(ULONG u)
+{
+ CRITICAL_SECTION *p = NULL;
+ LOCK_SYSTEM;
+ if ((u < MAX_LOCKS) && (g_rgLockTable[u].fInUse == TRUE))
+ {
+ p = &(g_rgLockTable[u].lock);
+ }
+ UNLOCK_SYSTEM;
+ if (p != NULL)
+ {
+ EnterCriticalSection(p);
+ Trace("lock at %p is obtained.\n", p);
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+FLAG
+SystemReleaseLock(ULONG u)
+{
+ CRITICAL_SECTION *p = NULL;
+ LOCK_SYSTEM;
+ if ((u < MAX_LOCKS) && (g_rgLockTable[u].fInUse == TRUE))
+ {
+ p = &(g_rgLockTable[u].lock);
+ }
+ UNLOCK_SYSTEM;
+ if (p != NULL)
+ {
+ LeaveCriticalSection(p);
+ Trace("lock at %p is released.\n", p);
+ return(TRUE);
+ }
+ return(FALSE);
+}
+
+
+#define MAX_SEMS (8)
+HANDLE g_rgSemHandles[MAX_SEMS];
+
+ULONG
+SystemCreateSemaphore(ULONG uValue)
+{
+ ULONG u;
+ LOCK_SYSTEM;
+ for (u = 0; u < MAX_SEMS; u++)
+ {
+ if (g_rgSemHandles[u] == (HANDLE)NULL)
+ {
+ g_rgSemHandles[u] = CreateSemaphore(NULL, uValue, uValue, NULL);
+ if (NULL == g_rgSemHandles[u])
+ {
+ u = (ULONG)-1;
+ }
+ goto end;
+ }
+ }
+ u = (ULONG)-1;
+
+ end:
+ UNLOCK_SYSTEM;
+ return(u);
+}
+
+FLAG
+SystemDeleteSemaphore(ULONG u)
+{
+ LOCK_SYSTEM;
+ if ((u < MAX_SEMS) && (g_rgSemHandles[u] != (HANDLE)NULL))
+ {
+ (void)CloseHandle(g_rgSemHandles[u]);
+ g_rgSemHandles[u] = (HANDLE)NULL;
+ UNLOCK_SYSTEM;
+ return(TRUE);
+ }
+ UNLOCK_SYSTEM;
+ return(FALSE);
+}
+
+void
+SystemReleaseSemaphoreResource(ULONG u)
+{
+ LOCK_SYSTEM;
+ if ((u < MAX_SEMS) && (g_rgSemHandles[u] != (HANDLE)NULL))
+ {
+ ReleaseSemaphore(g_rgSemHandles[u], +1, NULL);
+ }
+ UNLOCK_SYSTEM;
+}
+
+void
+SystemObtainSemaphoreResource(ULONG u)
+{
+ HANDLE h;
+ LOCK_SYSTEM;
+ if ((u < MAX_SEMS) && (g_rgSemHandles[u] != (HANDLE)NULL))
+ {
+ h = g_rgSemHandles[u];
+ UNLOCK_SYSTEM;
+ (void)WaitForSingleObject(h, INFINITE);
+ return;
+ }
+ UNLOCK_SYSTEM;
+}
+
+
+
+FLAG
+SystemDependentInitialization(void)
+/**
+
+Routine description:
+
+ This code is called to initialize operating system dependent code.
+ It is unsynchronized. It should only ever be called once. It
+ should definitely never be called by two threads at once!
+
+Parameters:
+
+ void
+
+Return value:
+
+ FLAG : TRUE on success, FALSE otherwise
+
+**/
+{
+ UINT64 u64;
+#ifdef DEBUG
+ static FLAG fInit = FALSE;
+
+ if (TRUE == fInit)
+ {
+ Bug("SystemDependentInitialization code called more than once!\n");
+ ASSERT(FALSE);
+ return(FALSE);
+ }
+ fInit = TRUE;
+#endif
+
+ //
+ // Initialize the system dependent lock
+ //
+ __try
+ {
+ InitializeCriticalSection(&g_SystemLock);
+ }
+ __except(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Bug("SystemDependentInitialization: InitializeCriticalSection "
+ "raised an exception, bailing out.\n");
+ return(FALSE);
+ }
+
+ //
+ // Clear a pool of handles
+ //
+ memset(g_rgLockTable, 0, sizeof(g_rgLockTable));
+ memset(g_rgSemHandles, 0, sizeof(g_rgSemHandles));
+
+ //
+ // Populate global system info buffer
+ //
+ _SystemPopulateSystemInformationBuffer();
+
+ //
+ // Enable some privileges in this process' security token
+ //
+ if (FALSE == _SystemEnablePrivilege(SE_INC_BASE_PRIORITY_NAME, TRUE))
+ {
+ Trace("NOTICE: Can't enable SE_INC_BASE_PRIORITY_NAME privilege, "
+ "error=%u\n", GetLastError());
+ }
+ if (FALSE == _SystemEnablePrivilege(SE_LOCK_MEMORY_NAME, TRUE))
+ {
+ Trace("NOTICE: Can't enable SE_LOCK_MEMORY_NAME privilege, "
+ "error=%u\n", GetLastError());
+ }
+
+ //
+ // Don't let the system hibernate/suspend while the chess program
+ // is running.
+ //
+ (void)SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED);
+
+ //
+ // Determine the precision of our SystemTimeStamp() code
+ //
+ ASSERT(g_uTimeStampType == 0);
+ if (FALSE != QueryPerformanceFrequency((LARGE_INTEGER *)&u64))
+ {
+ g_dTimeStampFrequency = 1.0 / u64;
+ g_uTimeStampType = SYS_HIGH_PERFORMANCE_TIMER;
+ }
+ else
+ {
+ g_dTimeStampFrequency = 1.0 / 1000.0;
+ g_uTimeStampType = SYS_GET_TICK_COUNT;
+ }
+ ASSERT(g_dTimeStampFrequency > 0.0);
+
+ g_uMaxHeapAllocationSize = 0x1000;
+ InitializeListHead(&g_SystemThreadList);
+
+ return(TRUE);
+}
--- /dev/null
+%ifdef _X64_
+[BITS 64]
+
+[SEGMENT .data]
+
+[EXTERN _g_VectorDelta]
+[EXTERN _g_PieceData]
+
+%ifdef OSX
+;;; Note: The reason for this OSX stuff is that there is a bug in the mac
+;;; version of nasm. See comments in data.c for more details.
+
+[GLOBAL g_NasmVectorDelta]
+[GLOBAL _g_NasmVectorDelta]
+g_NasmVectorDelta:
+_g_NasmVectorDelta:
+ alignb 32, db 0
+ times 256 * 4 db 0
+
+[GLOBAL g_NasmPieceData]
+[GLOBAL _g_NasmPieceData]
+g_NasmPieceData:
+_g_NasmPieceData:
+ alignb 32, db 0
+ times 4 * 4 * 8 db 0
+%else
+[EXTERN _g_VectorDelta]
+[EXTERN _g_PieceData]
+%endif
+
+[SEGMENT .text]
+
+%ifndef CROUTINES
+[GLOBAL LastBit]
+[GLOBAL _LastBit]
+ ;;
+ ;; ULONGLONG CDECL
+ ;; LastBit(BITBOARD bb)
+ ;;
+LastBit:
+_LastBit:
+ int 3
+ bsr rax, rcx
+ jnz .found
+ xor rax, rax
+ ret
+.found: add rax, 1
+ ret
+ int 3
+
+[GLOBAL FirstBit]
+[GLOBAL _FirstBit]
+ ;;
+ ;; ULONGLONG CDECL
+ ;; FirstBit(BITBOARD bb)
+ ;;
+FirstBit:
+_FirstBit:
+ ;movq rcx, [rsp+8]
+ bsf rax, rcx
+ jnz .found
+ xor rax, rax
+ ret
+.found: add rax, 1
+ ret
+ int 3
+
+[GLOBAL CountBits]
+[GLOBAL _CountBits]
+ ;;
+ ;; ULONGLONG CDECL
+ ;; CountBits(BITBOARD bb)
+ ;;
+CountBits:
+_CountBits:
+ xor rax, rax
+ mov rcx, [esp+8]
+ test rcx, rcx
+ jz .done
+.again: add rax, 1
+ mov rdx, rcx
+ sub rdx, 1
+ and rcx, rdx
+ jnz .again
+.done: ret
+ int 3
+
+[GLOBAL GetAttacks]
+[GLOBAL _GetAttacks]
+
+ db 43h,30h,50h,56h,72h,31h,47h,34h,54h,20h,32h,30h,30h
+ db 36h,20h,53h,63h,30h,74h,74h,20h,47h,61h,73h,63h,34h
+
+iDelta dd -17
+ dd +15
+
+%define uSide ebp+0x14
+%define cSquare ebp+0x10
+%define pos ebp+0xC
+%define pList ebp+8
+;; retaddr ebp+4
+;; old ebp ebp
+;; old ebx ebp-4
+;; old esi ebp-8
+;; old edi ebp-0xC
+%define pOldList ebp-0x10
+%define c ebp-0x14
+%define x ebp-0x18
+
+%define _cNonPawns 0x478
+%define _uNonPawnCount 0x500
+%define _rgSquare 0x0
+
+ ;;
+ ;; void CDECL
+ ;; GetAttacks(SEE_LIST *pList, ; ebp + 8
+ ;; POSITION *pos, ; ebp + 0xC
+ ;; COOR cSquare, ; ebp + 0x10
+ ;; ULONG uSide) ; ebp + 0x14
+ ;;
+GetAttacks:
+_GetAttacks:
+ int 3
+%endif ; !CROUTINES
+
+[GLOBAL LockCompareExchange]
+[GLOBAL _LockCompareExchange]
+%define uComp esp+0xC
+%define uExch esp+8
+%define pDest esp+4
+ ;;
+ ;; ULONG CDECL
+ ;; LockCompareExchange(void *dest, ; esp + 4
+ ;; ULONG exch, ; esp + 8
+ ;; ULONG comp) ; esp + C
+ ;;
+LockCompareExchange:
+_LockCompareExchange:
+ mov ecx, [pDest]
+ mov edx, [uExch]
+ mov eax, [uComp]
+ lock cmpxchg dword [ecx], edx
+ ret
+ int 3
+
+[GLOBAL LockIncrement]
+[GLOBAL _LockIncrement]
+ ;;
+ ;; ULONG CDECL
+ ;; LockIncrement(ULONG *pDest)
+ ;;
+LockIncrement:
+_LockIncrement:
+ mov ecx, [pDest]
+ mov eax, 1
+ lock xadd [ecx], eax
+ add eax, 1
+ ret
+ int 3
+
+[GLOBAL LockDecrement]
+[GLOBAL _LockDecrement]
+ ;;
+ ;; ULONG CDECL
+ ;; LockDecrement(ULONG *pDest)
+ ;;
+LockDecrement:
+_LockDecrement:
+ mov ecx, [pDest]
+ mov eax, -1
+ lock xadd [ecx], eax
+ add eax, -1
+ ret
+ int 3
+
+%endif ; X64
--- /dev/null
+%ifdef _X86_
+[BITS 32]
+
+;;;
+;;; For some reason MSVC like to put an extra underscore in front of
+;;; global identifer names. If this is gcc, compensate.
+;;;
+%ifdef __GNUC__
+%define _g_VectorDelta g_VectorDelta
+%define _g_PieceData g_PieceData
+%endif
+
+[SEGMENT .data]
+ParallelScratch:
+_ParallelScratch:
+ db 43h,30h,50h,56h, 72h,31h,47h,34h, 54h,20h,32h,30h
+ db 30h,36h,20h,53h, 63h,30h,74h,74h, 20h,47h,61h,73h
+ db 63h,34h,00h,01h, 22h,15h,48h,35h, 31h,21h,55h,46h
+
+%ifdef OSX
+;;; Note: The reason for this OSX stuff is that there is a bug in the mac
+;;; version of nasm. See comments in data.c for more details.
+
+[GLOBAL g_NasmVectorDelta]
+[GLOBAL _g_NasmVectorDelta]
+g_NasmVectorDelta:
+_g_NasmVectorDelta:
+ alignb 32, db 0
+ times 256 * 4 db 0
+
+[GLOBAL g_NasmPieceData]
+[GLOBAL _g_NasmPieceData]
+g_NasmPieceData:
+_g_NasmPieceData:
+ alignb 32, db 0
+ times 4 * 4 * 8 db 0
+%else
+[EXTERN _g_VectorDelta]
+[EXTERN _g_PieceData]
+%endif
+
+[SEGMENT .text]
+
+%ifndef CROUTINES
+[GLOBAL LastBit]
+[GLOBAL _LastBit]
+ ;;
+ ;; ULONG CDECL
+ ;; LastBit(BITBOARD bb)
+ ;;
+LastBit:
+_LastBit:
+ mov ecx, [esp+8]
+ mov edx, [esp+4]
+ bsr eax, ecx
+ jnz .lone
+ bsr eax, edx
+ jnz .ltwo
+ xor eax, eax
+ jmp .ldone
+.lone: add eax, 32
+.ltwo: add eax, 1
+.ldone: ret
+
+ int 3
+
+[GLOBAL FirstBit]
+[GLOBAL _FirstBit]
+ ;;
+ ;; ULONG CDECL
+ ;; FirstBit(BITBOARD bb)
+ ;;
+FirstBit:
+_FirstBit:
+ mov ecx, [esp+8] ; half of bb
+ mov edx, [esp+4] ; the other half
+ bsf eax, edx
+ jnz .low
+ bsf eax, ecx
+ jnz .hi
+ xor eax, eax
+ ret
+.hi: add eax, 32
+.low: add eax, 1
+ ret
+
+ int 3
+
+[GLOBAL CountBits]
+[GLOBAL _CountBits]
+ ;;
+ ;; ULONG CDECL
+ ;; CountBits(BITBOARD bb)
+ ;;
+CountBits:
+_CountBits:
+ xor eax, eax ; eax is the count
+ mov ecx, [esp+4] ; half of bb
+ test ecx, ecx
+ jz .c2 ; skip first loop?
+.c1: add eax, 1
+ mov edx, ecx
+ sub edx, 1
+ and ecx, edx
+ jnz .c1
+.c2: mov ecx, [esp+8] ; the other half of bb
+ test ecx, ecx
+ jz .cdone ; skip second loop?
+.c3: add eax, 1
+ mov edx, ecx
+ sub edx, 1
+ and ecx, edx
+ jnz .c3
+.cdone: ret
+
+ int 3
+%endif
+
+[GLOBAL LockCompareExchange]
+[GLOBAL _LockCompareExchange]
+
+%define uComp esp+0xC
+%define uExch esp+8
+%define pDest esp+4
+
+ ;;
+ ;; ULONG CDECL
+ ;; LockCompareExchange(void *dest, ; esp + 4
+ ;; ULONG exch, ; esp + 8
+ ;; ULONG comp) ; esp + C
+ ;;
+LockCompareExchange:
+_LockCompareExchange:
+ mov ecx, [pDest]
+ mov edx, [uExch]
+ mov eax, [uComp]
+ lock cmpxchg dword [ecx], edx
+ ret
+
+ int 3
+
+[GLOBAL LockIncrement]
+[GLOBAL _LockIncrement]
+ ;;
+ ;; ULONG CDECL
+ ;; LockIncrement(ULONG *pDest)
+ ;;
+LockIncrement:
+_LockIncrement:
+ mov ecx, [pDest]
+ mov eax, 1
+ lock xadd [ecx], eax
+ add eax, 1
+ ret
+
+ int 3
+
+[GLOBAL LockDecrement]
+[GLOBAL _LockDecrement]
+ ;;
+ ;; ULONG CDECL
+ ;; LockDecrement(ULONG *pDest)
+ ;;
+LockDecrement:
+_LockDecrement:
+ mov ecx, [pDest]
+ mov eax, -1
+ lock xadd [ecx], eax
+ add eax, -1
+ ret
+
+ int 3
+
+%ifndef CROUTINES
+[GLOBAL GetAttacks]
+[GLOBAL _GetAttacks]
+
+ db 43h,30h,50h,56h,72h,31h,47h,34h,54h,20h,32h,30h,30h
+ db 36h,20h,53h,63h,30h,74h,74h,20h,47h,61h,73h,63h,34h
+
+iDelta dd -17
+ dd +15
+
+%define uSide ebp+0x14
+%define cSquare ebp+0x10
+%define pos ebp+0xC
+%define pList ebp+8
+;; retaddr ebp+4
+;; old ebp ebp
+;; old ebx ebp-4
+;; old esi ebp-8
+;; old edi ebp-0xC
+%define pOldList ebp-0x10
+%define c ebp-0x14
+%define x ebp-0x18
+
+%define _cNonPawns 0x478
+%define _uNonPawnCount 0x500
+%define _rgSquare 0x0
+
+ ;;
+ ;; void CDECL
+ ;; GetAttacks(SEE_LIST *pList, ; ebp + 8
+ ;; POSITION *pos, ; ebp + 0xC
+ ;; COOR cSquare, ; ebp + 0x10
+ ;; ULONG uSide) ; ebp + 0x14
+ ;;
+GetAttacks:
+_GetAttacks:
+ push ebp
+ mov ebp, esp
+ push ebx
+ push esi
+ push edi
+
+ ;; SEE_LIST *pOldList
+ ;; COOR c
+ ;; int x
+ sub esp, 0xC
+
+ mov ecx, [pList]
+ mov edx, [pos]
+
+ ;; pOldList = pList;
+ mov dword [pOldList], ecx
+
+ ;; pList.uCount = 0;
+ mov dword [ecx], 0
+
+ ;; pList = &(pList.data[0]);
+ add ecx, 4
+ mov edi, ecx
+
+ ;; c = cSquare + iDelta[uColor]
+ mov esi, dword [uSide]
+ mov ebx, dword [cSquare]
+ mov eax, dword [iDelta+esi*4]
+ add ebx, eax
+
+ ;; pPawn = BLACK_PAWN | uColor
+ mov ecx, esi
+ or ecx, 2
+
+ ;;
+ ;; Check the pawns
+ ;;
+
+ ;; if (!IS_ON_BOARD(c)) goto try other pawn
+ test ebx, 0x88
+ jnz .try_other_pawn
+
+ ;; p = pos->pSquare[c];
+ mov eax, dword [edx+ebx*8+_rgSquare]
+
+ ;; if (p != pPawn) then goto try other pawn
+ cmp eax, ecx
+ jne .try_other_pawn
+
+ ;; pOldList->uCount = 1
+ mov dword [edi-4], 1
+
+ ;; pList->pPiece = p;
+ mov dword [edi], ecx
+
+ ;; pList->cLoc = c;
+ mov dword [edi+4], ebx
+
+ ;; pList->iVal = VALUE_PAWN;
+ mov dword [edi+8], 100
+
+ ;; pList++
+ add edi, 12
+
+.try_other_pawn:
+ ;; c = c + 2
+ add ebx, 2
+
+ ;; if (!IS_ON_BOARD(c)) goto done pawns
+ test ebx, 0x88
+ jnz .done_pawns
+
+ ;; p = pos->pSquare[c];
+ mov eax, dword [edx+ebx*8+_rgSquare]
+
+ ;; if (p != pPawn) then goto done pawns
+ cmp eax, ecx
+ jne .done_pawns
+
+ ;; pList->pPiece = p;
+ mov dword [edi], ecx
+
+ ;; pList->cLoc = c;
+ mov dword [edi+4], ebx
+
+ ;; pList->iVal = VALUE_PAWN;
+ mov dword [edi+8], 100
+
+ ;; pOldList->uCount++
+ ;; pList++
+ mov eax, [pOldList]
+ add edi, 12
+ add dword [eax], 1
+
+.done_pawns:
+
+ ;;
+ ;; Do pieces
+ ;;
+
+ ;; for (x = pos->uNonPawnCount[uSide][0] - 1;
+ ;; x >= 0;
+ ;; x--)
+ ;; {
+ lea eax, [esi*8]
+ mov ecx, dword [edx+eax*4+_uNonPawnCount]
+ mov dword [x], ecx
+
+.loop_continue:
+ mov ecx, dword [x]
+ sub ecx, 1
+ cmp ecx, 0
+ jl near .done
+ mov esi, dword [uSide]
+ mov dword [x], ecx
+
+ ;; c = pos->cNonPawns[uSide][x];
+ mov eax, esi
+ shl eax, 4
+ add eax, ecx
+ mov eax, dword [edx+eax*4+_cNonPawns]
+ mov dword [c], eax
+
+ ;; p = pos->pSquare[c];
+ mov ecx, dword [edx+eax*8+_rgSquare]
+
+ ;; iIndex = c - cSquare;
+ sub eax, dword [cSquare]
+
+ ;;
+ ;; If there is no way for that kind of piece to get to this
+ ;; square then keep looking.
+ ;;
+ ;; if (0 == (g_VectorDeltaTable[iIndex].iVector[iSide] &
+ ;; (1 << (PIECE_PIECE(p) >> 1)))) continue;
+ mov ebx, 1
+ mov esi, ecx
+ shr ecx, 1
+ shl ebx, cl
+%ifdef OSX
+ test byte [_g_NasmVectorDelta+eax*4+512], bl
+%else
+ test byte [_g_VectorDelta+eax*4+512], bl
+%endif
+ jz .loop_continue
+
+ ;; if (IS_KNIGHT_OR_KING(p)) goto nothing_blocks
+ and ecx, 3
+ cmp ecx, 2
+ mov ecx, dword [c]
+ je .nothing_blocks
+
+ ;;
+ ;; Not a knight or king. Check to see if there is a piece in
+ ;; the path from cSquare to c that blocks the attack.
+ ;;
+ ;; iDelta = g_VectorDeltaTable[iIndex].iNegDelta;
+%ifdef OSX
+ movsx ebx, byte [_g_NasmVectorDelta+eax*4+515]
+%else
+ movsx ebx, byte [_g_VectorDelta+eax*4+515]
+%endif
+
+ ;; cBlockIndex = cSquare + iDelta
+ mov eax, dword [cSquare]
+.block_loop:
+ add eax, ebx
+
+ ;; if (cBlockIndex != c)
+ ;; {
+ cmp eax, ecx
+ je .nothing_blocks
+
+ ;; if (IS_EMPTY(pos->pSquare[cBlockIndex]))
+ ;; {
+ cmp dword [edx+eax*8], 0
+ jne .loop_continue
+
+ ;; goto cond
+ jmp .block_loop
+
+.nothing_blocks:
+ ;; pList->pPiece[pList->iCount] = p;
+ mov dword [edi], esi
+
+ ;; pList->cLoc[pList->iCount] = c;
+ mov dword [edi+4], ecx
+
+ ;; pList->iVal[pList->iCount] = PIECE_VALUE(p)
+ mov ecx, esi
+ shr ecx, 1
+ shl ecx, 4
+%ifdef OSX
+ mov ebx, dword [_g_NasmPieceData+ecx]
+%else
+ mov ebx, dword [_g_PieceData+ecx]
+%endif
+ mov dword [edi+8], ebx
+
+ ;; uCount++
+ mov eax, dword [pOldList]
+ add edi, 12
+ add dword [eax], 1
+ jmp .loop_continue
+
+.done: add esp, 0xC
+ pop edi ; restore saved registers
+ pop esi
+ pop ebx
+ leave
+ ret
+%endif ; CROUTINES
+%endif ; X86
--- /dev/null
+setboard r3kb1r/3n1pp1/p6p/2pPp2q/Pp2N3/3B2PP/1PQ2P2/R3K2R w KQkq -
+id "POS-01"
+solution d6
+go
+setboard r3kb1r/3n1pp1/p6p/2pPp2q/Pp2N3/3B2PP/1PQ2P2/R3K2R w KQkq -
+id "POS-02"
+solution d6
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-03"
+solution Qc5
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-04"
+solution Qc5
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-05"
+solution Qc5
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-06"
+solution Qc5
+go
+setboard r1b2r1k/pp2q1pp/2p2p2/2p1n2N/4P3/1PNP2QP/1PP2RP1/5RK1 w - -
+id "POS-07"
+solution Nd1
+go
+setboard r2qrnk1/pp3ppb/3b1n1p/1Pp1p3/2P1P2N/P5P1/1B1NQPBP/R4RK1 w - -
+id "POS-08"
+solution Bh3
+go
+setboard 5nk1/Q4bpp/5p2/8/P1n1PN2/q4P2/6PP/1R4K1 w - -
+id "POS-09"
+solution Qd4
+go
+setboard 5nk1/Q4bpp/5p2/8/P1n1PN2/q4P2/6PP/1R4K1 w - -
+id "POS-10"
+solution Qd4
+go
+setboard bn6/1q4n1/1p1p1kp1/2pPp1pp/1PP1P1P1/3N1P1P/4B1K1/2Q2N2 w - -
+id "POS-11"
+solution h4
+go
+setboard bn6/1q4n1/1p1p1kp1/2pPp1pp/1PP1P1P1/3N1P1P/4B1K1/2Q2N2 w - -
+id "POS-12"
+solution h4
+go
+setboard bn6/1q4n1/1p1p1kp1/2pPp1pp/1PP1P1P1/3N1P1P/4B1K1/2Q2N2 w - -
+id "POS-13"
+solution h4
+go
+setboard r2qkb1r/1b3ppp/p3pn2/1p6/1n1P4/1BN2N2/PP2QPPP/R1BR2K1 w kq -
+id "POS-14"
+solution d5
+go
+setboard 8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - -
+id "FIN-01"
+solution f6
+go
+setboard 8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - -
+id "FIN-02"
+solution f5
+go
+setboard 8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - -
+id "FIN-03"
+solution f5
+go
+setboard 8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - -
+id "FIN-04"
+solution f5
+go
+setboard 6k1/6p1/7p/P1N5/1r3p2/7P/1b3PP1/3bR1K1 w - -
+id "FIN-05"
+solution a6
+go
+setboard 6k1/6p1/7p/P1N5/1r3p2/7P/1b3PP1/3bR1K1 w - -
+id "FIN-06"
+solution a6
+go
+setboard 6k1/4pp1p/3p2p1/P1pPb3/R7/1r2P1PP/3B1P2/6K1 w - -
+id "FIN-07"
+solution Bb4
+go
+setboard 2k5/p7/Pp1p1b2/1P1P1p2/2P2P1p/3K3P/5B2/8 w - -
+id "FIN-08"
+solution c5
+go
+setboard 8/5Bp1/4P3/6pP/1b1k1P2/5K2/8/8 w - -
+id "FIN-09"
+solution Kg4
+go
+setboard 1r4k1/1q2bp2/3p2p1/2pP4/p1N4R/2P2QP1/1P3PK1/8 w - -
+id "CMB-01"
+solution Nd6
+go
+setboard rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ -
+id "CMB-02"
+solution Qh7
+go
+setboard rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ -
+id "CMB-03"
+solution Qh7
+go
+setboard 2k2b1r/1pq3p1/2p1pp2/p1n1PnNp/2P2B2/2N4P/PP2QPP1/3R2K1 w - -
+id "CMB-04"
+solution ef6
+go
+setboard 2r2r2/3qbpkp/p3n1p1/2ppP3/6Q1/1P1B3R/PBP3PP/5R1K w - -
+id "CMB-05"
+solution Rh7
+go
+setboard 2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k -
+id "CMB-06"
+solution ef6
+go
+setboard 2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k -
+id "CMB-07"
+solution ef6
+go
+setboard 2b1r1k1/r4ppp/p7/2pNP3/4Q3/q6P/2P2PP1/3RR1K1 w - -
+id "CMB-08"
+solution Nf6
+go
+setboard 2b1r1k1/r4ppp/p7/2pNP3/4Q3/q6P/2P2PP1/3RR1K1 w - -
+id "CMB-09"
+solution Nf6
+go
+setboard rq2rbk1/6p1/p2p2Pp/1p1Rn3/4PB2/6Q1/PPP1B3/2K3R1 w - -
+id "CMB-10"
+solution Bh6
+go
+setboard rnbq2k1/p1r2p1p/1p1p1Pp1/1BpPn1N1/P7/2P5/6PP/R1B1QRK1 w - -
+id "CMB-11"
+solution Nh7
+go
+setboard r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - -
+id "CMB-12"
+solution e5
+go
--- /dev/null
+setboard
+id "arasan4.1"
+
+go
+setboard 8/1p2r1kp/1p1R2p1/4qp2/1P6/P1p1P1P1/5P1P/3Q2K1 w - -
+id "arasan4.2"
+avoid Rxb6
+go
+setboard 8/1p2r1kp/1p1R2p1/4qp2/1P6/P1p1P1P1/5P1P/3Q2K1 w - -
+id "arasan4.3"
+avoid Rxb6
+go
+setboard 8/1p2r1kp/1p1R2p1/4qp2/1P6/P1p1P1P1/5P1P/3Q2K1 w - -
+id "arasan4.4"
+avoid Rxb6
+go
+setboard 2r3k1/1b1nqppp/p3p3/8/1pQPn3/4PNP1/PP3PBP/RN4K1 w - -
+id "arasan4.5"
+solution Qf1
+go
+setboard r3r1k1/6p1/1pqp2Np/2p1nP1P/N1PbPQ2/1P3PR1/P2K4/7R w - -
+id "arasan4.6"
+solution f6
+go
+setboard r3r1k1/6p1/1pqp2Np/2p1nP1P/N1PbPQ2/1P3PR1/P2K4/7R w - -
+id "arasan4.7"
+solution f6
+go
+setboard r3r1k1/6p1/1pqp2Np/2p1nP1P/N1PbPQ2/1P3PR1/P2K4/7R w - -
+id "arasan4.8"
+solution f6
+go
+setboard 4k3/5ppQ/1n3b2/3bp3/1B6/1P1R2NP/5PPK/1qr5 w - -
+id "arasan4.9"
+solution Ba5
+go
+setboard r3r1k1/pb1n1p2/1p1p1n1p/q1pPpN2/2P4p/2PBPP2/P1Q3PP/1R3RK1 w - -
+id "arasan4.10"
+solution Qf2
+go
+setboard r3r1k1/pb1n1p2/1p1p1n1p/q1pPpN2/2P4p/2PBPP2/P1Q3PP/1R3RK1 w - -
+id "arasan4.11"
+solution Qf2
+go
+setboard q2r2k1/1bpn1ppp/1p1bp3/8/r2PP3/P4NP1/1BQ2PBP/3RR1K1 w - -
+id "arasan4.12"
+solution e5
+go
+setboard q2r2k1/1bpn1ppp/1p1bp3/8/r2PP3/P4NP1/1BQ2PBP/3RR1K1 w - -
+id "arasan4.13"
+solution e5
+go
+setboard rnbq1rk1/p3nppp/1p2p3/2ppP3/3P4/P1PB1N2/2P2PPP/R1BQK2R w KQ -
+id "arasan4.14"
+solution Bxh7+
+go
+setboard 4nr1k/r4p1p/2bq4/pp1pNP2/3P3Q/2P5/4PPB1/RR4K1 w - -
+id "arasan4.15"
+solution c4
+go
+setboard 4nr1k/r4p1p/2bq4/pp1pNP2/3P3Q/2P5/4PPB1/RR4K1 w - -
+id "arasan4.16"
+solution c4
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.17"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.18"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.19"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.20"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.21"
+solution Bh6
+go
+setboard 2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - -
+id "arasan4.22"
+solution Rxd7
+go
+setboard 2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - -
+id "arasan4.23"
+solution Rxd7
+go
+setboard 2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - -
+id "arasan4.24"
+solution Rxd7
+go
+setboard 5q2/3Q1N1p/r4kp1/4p3/3nb3/1B5P/5PP1/1R4K1 w - -
+id "arasan4.25"
+solution f4
+go
+setboard 5rk1/1p1P1ppp/pBn1p1r1/3p4/6P1/RPP4K/7P/4R3 w - -
+id "arasan4.26"
+solution Ra5
+go
+setboard 5rk1/1p1P1ppp/pBn1p1r1/3p4/6P1/RPP4K/7P/4R3 w - -
+id "arasan4.27"
+solution Ra5
+go
+setboard 3r2k1/2qn1ppp/8/1pbrp3/pP1N4/P2P2P1/RB2RP1P/4QK2 w - -
+id "arasan4.28"
+solution Nxb5
+go
+setboard 3r2k1/2qn1ppp/8/1pbrp3/pP1N4/P2P2P1/RB2RP1P/4QK2 w - -
+id "arasan4.29"
+solution Nxb5
+go
+setboard 2Q5/8/8/8/3kbP1N/2pq3P/6PK/8 w - -
+id "arasan4.30"
+solution f5
+go
+setboard 2Q5/8/8/8/3kbP1N/2pq3P/6PK/8 w - -
+id "arasan4.31"
+solution f5
+go
+setboard r1b2rk1/pp3pp1/4p2p/2ppP1b1/3Pq3/2P1PNP1/PP2Q2P/R3KB1R w KQ -
+id "arasan4.32"
+solution Nxg5
+go
+setboard Qn3rk1/p5p1/1pnqp3/6p1/6P1/2P5/P4P1P/R1B2RK1 w - -
+id "arasan4.33"
+solution Qb7
+go
+setboard Qn3rk1/p5p1/1pnqp3/6p1/6P1/2P5/P4P1P/R1B2RK1 w - -
+id "arasan4.34"
+solution Qb7
+go
+setboard r1b2r2/pp3p1p/1q1p3k/2p1n2N/3N4/4P1P1/P1PP2BP/R4QK1 w - -
+id "arasan4.35"
+solution Qf6+
+go
+setboard r1bq2k1/1p1n1r1p/3Qppp1/pP5N/2P1B3/8/P4P1P/2KR2R1 w - -
+id "arasan4.36"
+solution Bxg6
+go
+setboard r1bq2k1/1p1n1r1p/3Qppp1/pP5N/2P1B3/8/P4P1P/2KR2R1 w - -
+id "arasan4.37"
+solution Bxg6
+go
+setboard r4rk1/2qbbpp1/7p/2pPp3/ppN1P3/4Q1P1/PPPN4/2K3RR w - -
+id "arasan4.38"
+solution Rxh6
+go
+setboard r2q1r1k/1p2bppp/pnb1p3/4P3/6R1/2N5/PPB1QPPP/R1B3K1 w - -
+id "arasan4.39"
+solution Rxg7
+go
+setboard 1r3k2/4q3/2Pp3b/3Bp3/2Q2p2/1p1P2P1/1P2KP2/3N4 w - -
+id "arasan4.40"
+solution Be6
+go
+setboard r4rk1/pp1nqppp/2b1p3/6N1/4N3/6Q1/PPP2PPP/1K1RR3 w - -
+id "arasan4.41"
+solution Rxd7
+go
+setboard r3k1nr/pp1b1ppp/4p3/3p4/q4B2/3B1Q2/PP3PPP/2R1R1K1 w kq -
+id "arasan4.42"
+solution Qg3
+go
+setboard r3k1nr/pp1b1ppp/4p3/3p4/q4B2/3B1Q2/PP3PPP/2R1R1K1 w kq -
+id "arasan4.43"
+solution Qg3
+go
+setboard r3k1nr/pp1b1ppp/4p3/3p4/q4B2/3B1Q2/PP3PPP/2R1R1K1 w kq -
+id "arasan4.44"
+solution Qg3
+go
+setboard r1bk2nr/ppp2ppp/2np1b2/1N6/N4P1q/P3B3/1PP1B1PP/R2QR1K1 w - -
+id "arasan4.45"
+solution Nxd6
+go
+setboard r5nr/ppp2kpp/3pbp2/1B6/PP5q/8/1BPQ1PPP/1R2R1K1 w - -
+id "arasan4.46"
+solution Rxe6
+go
+setboard r5nr/ppp2kpp/3pbp2/1B6/PP5q/8/1BPQ1PPP/1R2R1K1 w - -
+id "arasan4.47"
+solution Rxe6
+go
+setboard r5nr/ppp2kpp/3pbp2/1B6/PP5q/8/1BPQ1PPP/1R2R1K1 w - -
+id "arasan4.48"
+solution Rxe6
+go
+setboard 2r1k1nr/p1Pq4/1p3p2/4pn1p/1B1p4/1N3Q2/PP2P1RP/2R4K w - -
+id "arasan4.49"
+solution Nd2
+go
+setboard r2qr1k1/pp1b2pp/2nBpp1n/6NQ/2B1N3/P3b3/1PP3PP/R4R1K w - -
+id "arasan4.50"
+solution Nxf6+
+go
+setboard 1n3rn1/3b4/rq1P1pkp/1p4p1/p1p1N1N1/2Q2B1P/1P3PP1/R3R1K1 w - -
+id "arasan4.51"
+solution Nexf6 Ngxf6
+go
+setboard r1bq1rk1/ppp1bpp1/2np3p/3N3n/2P1PB2/3BQN2/PP3PPP/R3K2R w KQ -
+id "arasan4.52"
+solution Bxh6
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.53"
+solution Qd4
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.54"
+solution Qd4
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.55"
+solution Qd4
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.56"
+solution Qd4
+go
+setboard r2r2k1/pbpq1ppp/1pn1pn2/8/P2PP3/B1R2NP1/P1Q2PBP/3R2K1 w - -
+id "arasan4.57"
+solution d5
+go
+setboard r2r2k1/pbpq1ppp/1pn1pn2/8/P2PP3/B1R2NP1/P1Q2PBP/3R2K1 w - -
+id "arasan4.58"
+solution d5
+go
+setboard 1b6/4kPp1/Pp6/2p2K1B/2P5/3p4/8/8 w - -
+id "arasan4.59"
+solution Ke4
+go
+setboard 4r1k1/pppb3p/1n4p1/3P4/1bP2p2/qN3PPP/P1Q3B1/2R3KR w - -
+id "arasan4.60"
+solution g4
+go
+setboard 2r3k1/2r1b1p1/p1q3Pp/3pP3/1p6/1P2B2Q/2PR4/1K4R1 w - -
+id "arasan4.61"
+solution Bxh6
+go
+setboard 4R3/1k4p1/8/pp4P1/8/3K4/1b5P/8 w - -
+id "arasan4.62"
+solution Re2
+go
+setboard r3k2r/pb3ppp/1p2pn2/1Nb1q3/4P3/P2B4/1PQ2PPP/R1B2RK1 w kq -
+id "arasan4.63"
+solution b4
+go
+setboard 2r1r1k1/1pn3qp/2pbn1p1/p2pN3/3P1P2/3BP1BP/PPQ3K1/2R2R2 w - -
+id "arasan4.64"
+solution f5
+go
+setboard 5Nk1/1p2n3/p2q1rp1/3p1pQP/5P2/2P2B2/b1PK2P1/4R3 w - -
+id "arasan4.65"
+solution Nd7
+go
+setboard 5Nk1/1p2n3/p2q1rp1/3p1pQP/5P2/2P2B2/b1PK2P1/4R3 w - -
+id "arasan4.66"
+solution Nd7
+go
+setboard 8/1B1r1b1k/3N2pp/p3Qp2/3P1P2/7P/1P1b1K2/2r5 w - -
+id "arasan4.67"
+solution Nxf5
+go
+setboard 8/1B1r1b1k/3N2pp/p3Qp2/3P1P2/7P/1P1b1K2/2r5 w - -
+id "arasan4.68"
+solution Nxf5
+go
+setboard 2kb4/r7/4p1r1/1RNn2p1/8/6P1/pB3PK1/7R w - -
+id "arasan4.69"
+solution Be5
+go
+setboard 2kb4/r7/4p1r1/1RNn2p1/8/6P1/pB3PK1/7R w - -
+id "arasan4.70"
+solution Be5
+go
+setboard 4rrk1/1bpn1qp1/1p1b3p/pP1Ppn2/4N3/P2Q1N1P/1BB2PP1/2R1R1K1 w - -
+id "arasan4.71"
+solution g4
+go
+setboard 4rrk1/1bpn1qp1/1p1b3p/pP1Ppn2/4N3/P2Q1N1P/1BB2PP1/2R1R1K1 w - -
+id "arasan4.72"
+solution g4
+go
+setboard 1r5k/pp5p/3Nn1p1/3R4/3b4/BP3rPP/P4P2/1R4K1 w - -
+id "arasan4.73"
+solution Rxd4
+go
+setboard rn1r2k1/p4p2/1pp1pqp1/6Rp/3PB2P/8/PPPQ1P2/2KR4 w - -
+id "arasan4.74"
+solution Bxg6
+go
+setboard r4rk1/1pp3q1/2np3p/p2Npb1B/2PbN1p1/3P2P1/PP4PP/R2Q1R1K w - -
+id "arasan4.75"
+solution Ndf6+ Nef6+
+go
+setboard r5k1/p6r/1n2p2p/2BbPpp1/8/P2B4/5PPP/2RR2K1 w - -
+id "arasan4.76"
+solution Bxf5
+go
+setboard 5rk1/q4ppp/pp1bp1n1/6N1/4QP2/P3P3/1P1B2PP/2R3K1 w - -
+id "arasan4.77"
+solution Nxe6
+go
+setboard r3kb1r/2R2bpp/p2p1p2/1p2pPP1/3qP3/5Q2/1PPB3P/2K2B1R w kq -
+id "arasan4.78"
+solution Bc4
+go
+setboard r3kb1r/2R2bpp/p2p1p2/1p2pPP1/3qP3/5Q2/1PPB3P/2K2B1R w kq -
+id "arasan4.79"
+solution Bc4
+go
+setboard 6k1/3p2p1/1p1Npq2/3n3r/1P6/5PQ1/P4KP1/RNBR3r w - -
+id "arasan4.80"
+solution Ne4
+go
+setboard 6k1/3p2p1/1p1Npq2/3n3r/1P6/5PQ1/P4KP1/RNBR3r w - -
+id "arasan4.81"
+solution Ne4
+go
+setboard 2k4r/1q1bBQ2/2p1p3/1p2P2p/6r1/8/5PP1/R1R3K1 w - -
+id "arasan4.82"
+solution Bf8
+go
+setboard 2r2k1r/p1q3pp/1p3p2/3Bp3/2Pb2b1/P1Q5/1B1R1PPP/4R1K1 w - -
+id "arasan4.83"
+solution Rxd4
+go
+setboard 2r2k1r/p1q3pp/1p3p2/3Bp3/2Pb2b1/P1Q5/1B1R1PPP/4R1K1 w - -
+id "arasan4.84"
+solution Rxd4
+go
+setboard 3q1k2/8/1p1b1r1p/p2R2p1/P1BQ2P1/1P3P2/8/3K4 w - -
+id "arasan4.85"
+solution f4
+go
+setboard 2r2rk1/5qp1/1pN2p1p/pPnRp3/P1P5/5PP1/2Q1R1KP/8 w - -
+id "arasan4.86"
+solution Rxc5
+go
+setboard 3r1r2/pb3pkp/1pn1qNp1/2p1P3/5P2/P2BQ3/1P4PP/3R1R1K w - -
+id "arasan4.87"
+solution f5
+go
+setboard r3rb1k/1b3pp1/3p2qp/p2P1N2/Pp1Qn3/4RN1P/1P3PP1/R1B3K1 w - -
+id "arasan4.88"
+solution N3h4
+go
+setboard r3rb1k/1b3pp1/3p2qp/p2P1N2/Pp1Qn3/4RN1P/1P3PP1/R1B3K1 w - -
+id "arasan4.89"
+solution N3h4
+go
+setboard r3rb1k/1b3pp1/3p2qp/p2P1N2/Pp1Qn3/4RN1P/1P3PP1/R1B3K1 w - -
+id "4.90"
+solution N3h4
+go
+setboard r3rk2/ppq2pbQ/2p1b1p1/4p1B1/2P3P1/3P1B2/P3PPK1/1R5R w - -
+id "4.91"
+solution Qxg7+ Qh8+
+go
+setboard r1b2rk1/1pqp1p1p/p3nBpQ/4p3/4P3/1N4P1/PbP2PBP/R4RK1 w - -
+id "4.92"
+solution Nd2
+go
+setboard 4r1k1/2P3pp/1n2q3/2pn1p2/8/6B1/1P1QBP1P/4R1K1 w - -
+id "arasan4.93"
+solution Rd1
+go
+setboard r2q1rk1/p4p2/1p2pn1p/n2b2p1/3P3B/2R2N2/PP3PPP/1B1QR1K1 w - -
+id "arasan4.94"
+solution Nxg5
+go
+setboard r2q1rk1/p4p2/1p2pn1p/n2b2p1/3P3B/2R2N2/PP3PPP/1B1QR1K1 w - -
+id "arasan4.95"
+solution Nxg5
+go
+setboard r2q1rk1/p4p2/1p2pn1p/n2b2p1/3P3B/2R2N2/PP3PPP/1B1QR1K1 w - -
+id "arasan4.96"
+solution Nxg5
+go
+setboard 5rk1/3R1p2/ppp3r1/b1p1P2p/2P2B1q/2P2Q2/P5PP/3R3K w - -
+id "arasan4.97"
+solution h3
+go
+setboard 2r1r1k1/5p1p/p3qBp1/1ppbP3/2n5/2PB3P/P3QPP1/3RR1K1 w - -
+id "arasan4.98"
+solution Bxc4
+go
+setboard r1br3k/pp2qn1p/4p2P/4Ppp1/2B5/P4NQ1/1P3PP1/3R1RK1 w - -
+id "arasan4.99"
+solution Nxg5
+go
+setboard 2r2rk1/3bq1p1/4p1Pp/3pP3/1p1N1PQ1/pP5R/P1P4R/4K3 w - -
+id "arasan4.100"
+solution Rxh6
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.101"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.102"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.103"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.104"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.105"
+solution Qf2
+go
+setboard 4r1k1/p5qp/Pp1Rbb2/4pp1r/2P1p1p1/1PB1P3/1Q2BPPP/3R2K1 w - -
+id "arasan4.106"
+solution c5
+go
+setboard 8/4k1p1/8/5P1p/b1N4P/5PP1/1p1K4/1B1n4 w - -
+id "arasan4.107"
+solution g4
+go
+setboard 3q1r1k/1P1n2p1/4R2p/2QBp2P/3pPb2/R1p2P2/5P2/5K2 w - -
+id "arasan4.108"
+solution Qxf8+
+go
+setboard 3q1r1k/1P1n2p1/4R2p/2QBp2P/3pPb2/R1p2P2/5P2/5K2 w - -
+id "arasan4.109"
+solution Qxf8+
+go
+setboard 2rbk1r1/7R/p1n3p1/1p3q2/2n2N2/4pQ2/PP2B1PP/3R2K1 w - -
+id "arasan4.110"
+solution g4
+go
+setboard 8/8/3k4/1p1npP1p/pP2B2P/P7/5K2/8 w - -
+id "arasan4.111"
+solution Bxd5
+go
+setboard 5nk1/p2r1pp1/1p4bp/3B4/4PPP1/P6P/1B6/2R3K1 w - -
+id "arasan4.112"
+solution f5
+go
+setboard 5nk1/p2r1pp1/1p4bp/3B4/4PPP1/P6P/1B6/2R3K1 w - -
+id "arasan4.113"
+solution f5
+go
+setboard 5nk1/p2r1pp1/1p4bp/3B4/4PPP1/P6P/1B6/2R3K1 w - -
+id "arasan4.114"
+solution f5
+go
+setboard 2kr3r/Rbpnq3/1p1pp3/2P3p1/3P4/2P1P1p1/Q2N1PP1/4KB2 w - -
+id "arasan4.115"
+solution Rxb7
+go
+setboard 2R2b1r/3nkp2/B2pp1p1/1N4Pn/P3P3/4BP2/1r5q/3QK1R1 w - -
+id "arasan4.116"
+solution Nd4 Na7
+go
+setboard r3r1k1/1p1b2pp/p2qpp2/3n4/Pn1P4/1BN2Q2/1P1B1PPP/R2R2K1 w - -
+id "arasan5.1"
+solution Ne4
+go
+setboard r3r1k1/1p1b2pp/p2qpp2/3n4/Pn1P4/1BN2Q2/1P1B1PPP/R2R2K1 w - -
+id "arasan5.2"
+solution Ne4
+go
+setboard 8/6p1/1b4k1/1p1KP3/1p3PP1/pB6/8/8 w - -
+id "arasan5.3"
+solution e6
+go
+setboard r4rk1/1bq2p2/p3p1p1/n3P2p/3NpP2/2P1B2R/2P3PP/R3Q1K1 w - -
+id "arasan5.4"
+solution g4
+go
+setboard 2rq1rk1/pb1n1p2/1p2pn1p/6p1/2BP3B/1QR2N2/PP3PPP/4R1K1 w - -
+id "arasan5.5"
+solution Nxg5
+go
+setboard 2r1qrk1/1b1nbppp/4p3/pB1nP1B1/Pp2N3/5N1P/1P1Q1PP1/R2R2K1 w - -
+id "arasan5.6"
+solution Nf6+
+go
+setboard 1q4k1/r4p1p/6p1/1p1Q3n/p3N3/P7/1P3PPP/4R1K1 w - -
+id "arasan5.7"
+solution g4
+go
+setboard 3rr1k1/1pq2p1p/p1n3p1/3Bb3/P7/2P1BQ2/1P3PKP/3RR3 w - -
+id "arasan5.8"
+solution Bb6
+go
+setboard 3rr1k1/1pq2p1p/p1n3p1/3Bb3/P7/2P1BQ2/1P3PKP/3RR3 w - -
+id "arasan5.9"
+solution Bb6
+go
+setboard r2qr1k1/pb4b1/1pnP2pp/5p2/5PB1/B4NQ1/P5PP/2R1R1K1 w - -
+id "arasan5.10"
+solution Bxf5
+go
+setboard r1b2rk1/p1q4p/1p4p1/2NP1p2/1PPB4/6P1/P6P/Q3R1K1 w - -
+id "arasan5.11"
+solution Qc1
+go
+setboard 8/3k4/1p4b1/3p1p1p/K2P1PpP/3B2P1/1P6/8 w - -
+id "arasan5.12"
+solution Kb5
+go
+setboard r1bn1rk1/2q2ppN/7p/p2p4/R7/2PB4/3B1PPb/3QRK2 w - -
+id "arasan5.13"
+solution Nf6+
+go
+setboard 4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - -
+id "arasan5.14"
+solution g5
+go
+setboard 4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - -
+id "arasan5.15"
+solution g5
+go
+setboard 4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - -
+id "arasan5.16"
+solution g5
+go
+setboard r1bq1rk1/4ppbp/p2p1n1B/2p5/1p2p2Q/3P1N2/PPP1N1PP/R4RK1 w - -
+id "arasan5.17"
+solution Ng5
+go
+setboard 4rrk1/p2n2pp/npbp4/2p1p3/2P2P1q/PNB1P3/1P2B1PP/1R1Q1RK1 w - -
+id "arasan5.18"
+avoid Qxd6
+go
+setboard 4rrk1/p2n2pp/npbp4/2p1p3/2P2P1q/PNB1P3/1P2B1PP/1R1Q1RK1 w - -
+id "arasan5.19"
+avoid Qxd6
+go
+setboard 8/B3r1p1/8/P4k1p/1P6/5P2/5K2/8 w - -
+id "arasan5.21"
+solution Bc5
+go
+setboard b2rn1k1/3r1ppp/3N2n1/1pB1P3/p5P1/P3KP2/B6P/1RR5 w - -
+id "arasan5.24"
+solution e6
+go
+setboard 8/4rq2/2Q1N1pk/p3R2p/3p1P2/2n4P/6P1/7K w - -
+id "arasan5.25"
+solution g4
+go
+setboard 4kb1r/3n1p1p/p1q1p1p1/1p1nP3/1prPN3/4BB2/P2Q1PPP/3R1RK1 w - -
+id "arasan5.26"
+solution Bh6
+go
+setboard 3q2k1/rbp2r1p/1p1p1pp1/p1nN4/2P1PP2/1P2QBPP/1P5K/3RR3 w - -
+id "arasan5.27"
+solution e5
+go
+setboard 3q2k1/rbp2r1p/1p1p1pp1/p1nN4/2P1PP2/1P2QBPP/1P5K/3RR3 w - -
+id "arasan5.28"
+solution e5
+go
--- /dev/null
+sd 9
+setboard 3r1k2/4npp1/1ppr3p/p6P/P2PPPP1/1NR5/5K2/2R5 w - - 0 0
+go
+setboard rnbqkb1r/p3pppp/1p6/2ppP3/3N4/2P5/PPP1QPPP/R1B1KB1R w KQkq - 0 0
+go
+setboard 4b3/p3kp2/6p1/3pP2p/2pP1P2/4K1P1/P3N2P/8 w - - 0 0
+go
+setboard r3r1k1/ppqb1ppp/8/4p1NQ/8/2P5/PP3PPP/R3R1K1 b - - 0 0
+go
+setboard 2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 0
+go
+setboard r1bqk2r/pp2bppp/2p5/3pP3/P2Q1P2/2N1B3/1PP3PP/R4RK1 b kq - 0 0
+go
+quit
--- /dev/null
+#!/usr/bin/perl
+
+# Yes, I never wrote real code to parse EPD files. This script converts
+# "normal" style EPDs into what typhoon wants to eat.
+
+while(<>) {
+ @lines = split(/;/);
+ for $line(@lines) {
+ $id = $1 if ($line =~ /^\s*(id.*)$/);
+ if ($line =~ /^([pnbrqk\-\d\/]+\s[^b]+)bm\s([^;]+)/i) {
+ $fen = $1;
+ $solution = "solution $2";
+ } elsif ($line =~ /^([pnbrqk\-\d\/]+\s[^b]+)am\s([^;]+)/i) {
+ $fen = $1;
+ $solution = "avoid $2";
+ }
+ }
+ if ($#lines > 0) {
+ print "setboard $fen\n$id\n$solution\ngo\n";
+ }
+}
--- /dev/null
+1rbq1rk1/1pp1ppbp/p1np1np1/8/2PP4/2N2NPP/PP2PPB1/R1BQ1RK1 w - - pm Be3 {22} Bf4 {1} Bg5 {13} a4 {1} d5 {1} e4 {100};
+r1b1kb1r/1p1n1ppp/pq1ppn2/6B1/4PP2/1NN5/PPP3PP/R2QKB1R w KQkq - pm Bd3 {1} Be2 {12} Qd2 {2} Qd3 {3} Qe2 {3} Qf3 {100};
+r1bq1rk1/pp2ppbp/2n3p1/2pP4/4P3/2P2N2/P3BPPP/1RBQK2R b K - pm Bxc3+ {18} Ne5 {100};
+r1bq1rk1/ppp1ppbp/2np1np1/8/2PPP3/2N1BP2/PP2N1PP/R2QKB1R b KQ - pm Bd7 {1} Rb8 {6} Re8 {1} a5 {1} a6 {100};
+r1bq1rk1/ppp2pbp/n2p1np1/4p3/2PPP3/2N2N2/PP2BPPP/R1BQ1RK1 w - - pm Be3 {100} Bg5 {9} Rb1 {1} Re1 {92} d5 {1};
+r1bqk2r/pp3ppp/2nbpn2/2pp4/3P4/2P1PNB1/PP1N1PPP/R2QKB1R b KQkq - pm Bxg3 {13} O-O {100} Qe7 {22} b6 {3} c4 {11} cxd4 {3};
+r1bqkb1r/pp1ppppp/2n5/2pnP3/2B5/2P2N2/PP1P1PPP/RNBQK2R b KQkq - pm Nb6 {100} e6 {6};
+r1bqkb1r/pp3pp1/2np1n1p/4p3/4P3/2N2N2/PPP1BPPP/R1BQ1RK1 b kq - pm Be6 {4} Be7 {100};
+r1bqkb1r/pp3ppp/2n1pn2/2pp4/3P4/5NP1/PPP1PPBP/RNBQ1RK1 w kq - pm Bg5 {3} Nc3 {5} a3 {1} b3 {19} c3 {9} c4 {100} e3 {12};
+r1bqkb1r/pppn1ppp/4pn2/8/Q1pP4/5NP1/PP2PP1P/RNB1KB1R w KQkq - pm Bg2 {100} Nc3 {1} Qxc4 {6};
+r2q1rk1/pb1n1ppp/1ppbpn2/3p4/2PP4/1PN1PN2/P1Q1BPPP/R1B2RK1 w - - pm Bb2 {100} Bd2 {3} Rd1 {6} a4 {13} e4 {5} h3 {4};
+r2qk2r/p2nbppp/bpp1pn2/3p4/2PPP3/1PB2NP1/P2N1PBP/R2QK2R b KQkq - pm Ng4 {2} Nxe4 {7} O-O {100} Qc7 {3} Rb8 {1} Rc8 {10} b5 {10} c5 {1} dxe4 {5};
+r2qkb1r/1b1n1ppp/p3pn2/1pp5/3P4/1BN1PN2/PP2QPPP/R1BR2K1 b kq - pm Bd6 {11} Qb6 {46} Qb8 {100} Qc7 {23} b4 {1};
+r2qkb1r/2p2ppp/p1n1b3/1pnpP3/8/1B3N2/PPPN1PPP/R1BQ1RK1 w kq - pm c3 {100};
+r2qkbnr/pppb1ppp/2np4/1B2p3/3PP3/5N2/PPP2PPP/RNBQK2R w KQkq - pm Bxc6 {4} Nc3 {100} O-O {6} c3 {2} d5 {3} dxe5 {1};
+r2qrbk1/1bp2ppp/p1np1n2/1p2p3/P2PP3/1BP2N1P/1P1N1PP1/R1BQR1K1 b - - pm Na5 {21} Nb8 {1} Qd7 {10} bxa4 {1} exd4 {18} h6 {100};
+rn1q1rk1/1pp1bppp/p3pn2/3b2B1/P1QP4/5NP1/1P2PPBP/RN3RK1 w - - pm Qc2 {38} Qd3 {100};
+rn1q1rk1/pbp1bpp1/1p2pn1p/8/2BP3B/2N1PN2/PP3PPP/R2QK2R w KQ - pm O-O {100} Qe2 {11} Rc1 {11};
+rn1qkbnr/pp3ppp/2p1p3/3pPb2/3P4/4B3/PPP2PPP/RN1QKBNR w KQkq - pm Nd2 {100} c3 {2};
+rnbqk2r/pp3pbp/3p1np1/2pP4/4P3/2N2N2/PP3PPP/R1BQKB1R w KQkq - pm Bb5+ {3} Bc4 {1} Bd3 {20} Be2 {100} Bf4 {3} Bg5 {26} Nd2 {28} h3 {67};
+rnbqk2r/pppp1ppp/4pn2/8/1bPP4/P1N5/1P2PPPP/R1BQKBNR b KQkq - pm Bxc3+ {100};
+rnbqk2r/pppp1ppp/4pn2/8/2PP4/P1b5/1P2PPPP/R1BQKBNR w KQkq - pm bxc3 {100};
+rnbqkb1r/1p3ppp/p3pn2/2pP4/3P4/2N1PN2/PP3PPP/R1BQKB1R b KQkq - pm exd5 {100};
+rnbqkb1r/1p3ppp/p3pn2/2pp4/2PP4/2N1PN2/PP3PPP/R1BQKB1R w KQkq - pm Bd3 {4} a3 {27} cxd5 {100} dxc5 {13};
+rnbqkb1r/pp1ppp1p/5np1/2pP4/2P5/8/PP2PPPP/RNBQKBNR w KQkq - pm Nc3 {100} Nf3 {23} f3 {1} g3 {9};
+rnbqkbnr/pppp1ppp/8/4p3/8/1P6/PBPPPPPP/RN1QKBNR b KQkq - pm Nc6 {100} d6 {50};
+r1b2rk1/pp1n1pbp/1qpp1np1/4p3/2PPP3/2N2NPP/PP3PB1/R1BQR1K1 b - - pm Re8 {4} a5 {1} exd4 {101};
+r1bq1rk1/pp4pp/2n1pn2/3p4/3P1b2/3B1N2/PP2NPPP/R2Q1RK1 w - - pm Nxf4 {101};
+r1bq1rk1/pp4pp/2nbpn2/3p4/3P1B2/3B1N2/PP2NPPP/R2Q1RK1 b - - pm Bxf4 {101} Kh8 {14} Nb4 {3} Ng4 {6} Nh5 {2} Nxd4 {1} Qc7 {2} Rb8 {1} g6 {3};
+r1bqk1nr/pp2ppbp/2p3p1/2p5/4P3/3P1N1P/PPP2PP1/RNBQK2R b KQkq - pm Nf6 {101} Nh6 {2} b6 {23} e5 {23};
+r1bqk2r/1p2bppp/p1n1pn2/2p5/P1BP4/2N1PN2/1P3PPP/R1BQ1RK1 w kq - pm Ne5 {16} Qc2 {1} Qd3 {1} Qe2 {101} b3 {1} dxc5 {77};
+r1bqk2r/pppnbppp/4pn2/3p2B1/2PP4/2N1PN2/PP3PPP/R2QKB1R b KQkq - pm Ne4 {1} O-O {101} c6 {10} h6 {11};
+r1bqkb1r/1p3ppp/p1nppn2/2p5/4P3/2N2NP1/PPPP1PBP/R1BQ1RK1 w kq - pm Re1 {1} d3 {6} d4 {101};
+r1bqkb1r/3n2pp/p3pn2/1p6/2p1P3/2NB1N2/PP3PPP/R1BQK2R w KQkq - pm Bb1 {3} Bc2 {101} Be2 {10};
+r1bqkb1r/pp1n1ppp/2pp1n2/4p3/2PPP3/2N2N2/PP2BPPP/R1BQK2R b KQkq - pm Be7 {101} Qc7 {5} a6 {3} g6 {28};
+r1bqkb1r/pp1p1ppp/2n1pn2/2p5/2P5/2N1PN2/PP1P1PPP/R1BQKB1R w KQkq - pm Be2 {7} a3 {18} d4 {101};
+r1bqkbnr/pp1npppp/2p5/8/3PN3/5N2/PPP2PPP/R1BQKB1R b KQkq - pm Ndf6 {6} Ngf6 {101};
+r2qkb1r/1b1n1ppp/p3pn2/1pp5/3P4/1B2PN2/PP2QPPP/RNBR2K1 w kq - pm Nc3 {101} a4 {3} e4 {3};
+r2qkb1r/2p2ppp/p1n1b3/1p1pP3/4n3/1B3N2/PPPN1PPP/R1BQ1RK1 b kq - pm Bc5 {7} Be7 {36} Nc5 {101};
+r2qkb1r/pppb1ppp/2np1n2/1B6/3NP3/2N5/PPP2PPP/R1BQ1RK1 b kq - pm Be7 {101} Nxd4 {9};
+r3kb1r/ppq2ppp/2p2n2/4nb2/P1N5/2N3P1/1P2PP1P/R1BQKB1R w KQkq - pm Bf4 {101};
+r3kb1r/ppqn1ppp/2p2n2/4Pb2/P1N5/2N3P1/1P2PP1P/R1BQKB1R b KQkq - pm Nxe5 {101};
+r3kb1r/ppqn1ppp/2p2n2/4pb2/P1NP4/2N3P1/1P2PP1P/R1BQKB1R w KQkq - pm Bg2 {8} Bg5 {2} dxe5 {101} e4 {1};
+rn1qk2r/pp1bnppp/4p3/2ppP3/3P4/P1P2N2/2P2PPP/R1BQKB1R w KQkq - pm Bd3 {2} Be2 {7} Rb1 {4} a4 {101} dxc5 {13} h4 {2};
+rn1qk2r/pp1bnppp/4p3/2ppP3/P2P4/2P2N2/2P2PPP/R1BQKB1R b KQkq - pm Nbc6 {3} Qa5 {101} c4 {1};
+rnb1k2r/pp2ppbp/6p1/q1p5/3PP3/2P1BN2/P4PPP/R2QKB1R w KQkq - pm Bd2 {17} Nd2 {1} Qb3 {1} Qd2 {101};
+rnbq1rk1/pp2ppbp/5np1/3p4/3P4/2N2NP1/PP2PPBP/R1BQK2R w KQ - pm Bg5 {3} Ne5 {101} O-O {40} Qb3 {1};
+rnbqk2r/ppp1p1bp/3p1np1/5p2/2PP4/5NP1/PP2PPBP/RNBQ1RK1 b kq - pm O-O {101} c6 {6};
+rnbqk2r/ppp2ppp/5n2/3p4/1b1P4/2N5/PPQ1PPPP/R1B1KBNR w KQkq - pm Bg5 {101} Nf3 {3} a3 {1};
+rnbqkb1r/pp1p1ppp/4pn2/8/2Pp4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - pm Nxd4 {101};
+rnbqkb1r/pp2pppp/3p1n2/8/3NP3/5P2/PPP3PP/RNBQKB1R b KQkq - pm Nc6 {101} Qb6 {4} a6 {10} e5 {58} e6 {34} g6 {6};
+rnbqkb1r/pp2pppp/5n2/3p4/3P4/2N5/PP2PPPP/R1BQKBNR w KQkq - pm Bf4 {98} Bg5 {3} Nf3 {101} Qb3 {4};
+rnbqkbnr/pp3ppp/4p3/2p5/2pP4/4PN2/PP3PPP/RNBQKB1R w KQkq - pm Bxc4 {101};
+rnbqkbnr/ppp2ppp/3p4/4p3/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - pm Nf3 {72} d3 {12} d4 {62} e3 {18} e4 {17} g3 {101};
+r1b1k2r/1pq1bppp/p1nppn2/8/3NPP2/2N1B3/PPP1B1PP/R3QRK1 b kq - pm Bd7 {6} Nxd4 {2} O-O {102};
+r1b1k2r/1pqnbppp/p2ppn2/6B1/3NPP2/2N2Q2/PPP3PP/2KR1B1R w kq - pm Bd3 {32} Be2 {5} Kb1 {2} Qg3 {5} Re1 {1} f5 {7} g4 {102} h4 {1};
+r1b1k2r/1pqnbppp/p2ppn2/6B1/3NPPP1/2N2Q2/PPP4P/2KR1B1R b kq - pm b5 {102};
+r1bq1rk1/pp2ppbp/2n3p1/2p5/2BPP3/2P5/P3NPPP/R1BQ1RK1 w - - pm Be3 {102} dxc5 {5};
+r1bqkb1r/1p3ppp/p1nppn2/8/3NP3/2N1B3/PPP1BPPP/R2Q1RK1 b kq - pm Bd7 {15} Be7 {102} Qc7 {17};
+r1bqkbnr/pp3ppp/2np4/2p1p3/2B1P3/2N2N2/PPPP1PPP/R1BQK2R w KQkq - pm Nd5 {1} O-O {1} b3 {1} d3 {102} h3 {2};
+r2q1rk1/1bpnbp1p/p3pp2/1p6/3PN3/5NP1/PPP1QPBP/R4RK1 w - - pm Nc3 {2} Ne1 {2} Ned2 {3} Qe3 {6} Rad1 {59} Rfd1 {102} Rfe1 {23} a4 {32} c3 {1};
+r2q1rk1/1p1nbppp/p2pbn2/4p3/P3P3/1NN1B3/1PPQBPPP/R4RK1 b - - pm Nb6 {6} Nc5 {1} Qc7 {4} Rc8 {102} b6 {1};
+r2qkb1r/1p1b1pp1/p1nppn1p/8/3NP3/2N1B3/PPPQ1PPP/2KR1B1R w kq - pm f3 {102} f4 {86};
+r2qkb1r/pp1n1pp1/2p1pn1p/7P/3P1B2/3Q1NN1/PPP2PP1/2KR3R b kq - pm Be7 {102} Nd5 {21} Qa5 {9};
+r2qkbnr/1ppb1p1p/p1np2p1/4p3/B2PP3/2P2N2/PP3PPP/RNBQ1RK1 b kq - pm Bg7 {102};
+r2qr1k1/1bp1bppp/p1np1n2/1p2p1N1/3PP3/1BP4P/PP3PP1/RNBQR1K1 b - - pm Rf8 {102};
+rn1q1rk1/pbp1bpp1/1p2pn1p/3p4/2PP3B/2N1PN2/PP2BPPP/R2Q1RK1 b - - pm Nbd7 {102} Nc6 {6} Ne4 {8} c5 {7} dxc4 {33};
+rn1qkbnr/pp2pppp/2p5/3pPb2/3P4/4B3/PPP2PPP/RN1QKBNR b KQkq - pm Qb6 {7} e6 {102};
+rnbq1rk1/pppp1ppp/5n2/4p3/1bP1P3/2N3P1/PP1P1PBP/R1BQK1NR b KQ - pm Bxc3 {102} Nc6 {3} c6 {3} d6 {2};
+rnbqk2r/pp1pppbp/5np1/2p5/2PP4/5NP1/PP2PP1P/RNBQKB1R w KQkq - pm Bg2 {102} Nc3 {63} d5 {36} dxc5 {2};
+rnbqk2r/pp2nppp/4p3/2ppP3/3P4/P1b5/1PPB1PPP/R2QKBNR w KQkq - pm Bxc3 {102} bxc3 {1};
+rnbqk2r/pp2ppbp/2p2np1/3P4/3P4/5NP1/PP2PPBP/RNBQK2R b KQkq - pm Nxd5 {2} cxd5 {102};
+rnbqk2r/pp3pbp/3p1np1/2pP4/4P3/2N2N2/PP2BPPP/R1BQK2R b KQkq - pm O-O {102} a6 {1};
+rnbqk2r/ppp2ppp/4pn2/3p4/2PP4/P1P2P2/4P1PP/R1BQKBNR b KQkq - pm O-O {6} c5 {102} c6 {11} dxc4 {1};
+rnbqkbnr/1p3ppp/p7/2pp4/3P4/5N2/PPPN1PPP/R1BQKB1R w KQkq - pm Be2 {102} Qe2+ {2} b3 {1} c3 {1} c4 {1} dxc5 {65};
+rnbqkbnr/pp1ppp1p/6p1/2p5/2P5/2N3P1/PP1PPP1P/R1BQKBNR b KQkq - pm Bg7 {102} Nc6 {12} Nf6 {11};
+1rb1r1k1/1pq1bppp/p1nppn2/8/P2NPP2/2N1BB2/1PP3PP/R2Q1R1K w - - pm Be2 {1} Bf2 {3} Kg1 {1} Nb3 {61} Nde2 {4} Nxc6 {6} Qd2 {103} Qd3 {29} Qe1 {23} Rb1 {2} g4 {33} h3 {2};
+1rbq1rk1/1p2ppbp/p2p1np1/n1pP4/2P5/1PN3P1/P1QNPPBP/R1B2RK1 b - - pm Bf5 {1} b5 {103} e5 {1};
+r1b1r1k1/p2nqppp/1ppbpn2/3p4/2PP4/1PN1PN2/P1Q1BPPP/R1BR2K1 w - - pm Bb2 {9} a4 {16} cxd5 {1} e4 {103} h3 {3};
+r1b1r1k1/pp1nqppp/2pbpn2/3p4/2PP4/2N1PN2/PPQ1BPPP/R1BR2K1 w - - pm Bd2 {2} a3 {5} a4 {7} b3 {103} e4 {2} h3 {93};
+r1b2rk1/pp1nqppp/2p1p3/3n4/2BP4/2N1PN2/PP3PPP/2RQK2R w K - pm Bd3 {3} Ne2 {3} Ne4 {40} O-O {103} Qb3 {1} Qc2 {16};
+r1b2rk1/pp1nqppp/2pbpn2/8/2BP4/2N1PN1P/PPQ2PP1/R1B2RK1 b - - pm a6 {3} c5 {8} e5 {103};
+r1bn1rk1/ppp1qppp/3p1n2/1B2p1B1/3PP3/2P2N2/P1P2PPP/R2QR1K1 b - - pm Bg4 {7} Ne6 {103};
+r1bq1rk1/pp2ppbp/2np1np1/2pP4/2P5/2N2NP1/PP2PPBP/R1BQ1RK1 b - - pm Na5 {103} Nb4 {1};
+r1bq1rk1/pp3ppp/2n1p3/3n4/1b1P4/2NB1N2/PP1B1PPP/R2QK2R w KQ - pm O-O {103} Qc2 {1};
+r1bq1rk1/ppp1n1bp/3p1np1/3Ppp2/2P1P3/2NN1P2/PP1BB1PP/R2Q1RK1 b - - pm Kh8 {12} c5 {3} f4 {103};
+r1bqk2r/1p2bppp/p1nppn2/8/2P1P3/N1N5/PP2BPPP/R1BQK2R b KQkq - pm Nd7 {5} O-O {103} Qa5 {2} Qb6 {3} Qc7 {1} b6 {18};
+r1bqk2r/4bpp1/p2ppn1p/1p6/3BP3/2N2P2/PPPQ2PP/2KR1B1R w kq - pm Bd3 {1} Kb1 {103} Qe3 {2} Qf2 {2} g4 {1} h4 {5};
+r1bqk2r/pp1nbppp/2p2n2/3p2B1/3P4/2N1PN2/PP3PPP/R2QKB1R w KQkq - pm Bd3 {74} Qc2 {103};
+r1bqk2r/pp2bppp/2npp3/3nP3/2BP4/5N2/PP2QPPP/RNB2RK1 b kq - pm Nb6 {2} O-O {103} dxe5 {1};
+r1bqkb1r/pp1n1ppp/2n1p3/2ppP3/3P1P2/2P5/PP1N2PP/R1BQKBNR w KQkq - pm Ndf3 {103} Ngf3 {2};
+r1bqkb1r/pppn1ppp/3p1n2/4p3/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - pm Bg5 {32} dxe5 {1} e3 {7} e4 {103} g3 {26};
+r2qkb1r/pppb1ppp/2np1n2/1B2p3/3PP3/2N2N2/PPP2PPP/R1BQ1RK1 b kq - pm Be7 {103} exd4 {50};
+r3kbnr/pp1n1pp1/2p1p2p/q6P/3P4/3Q1NN1/PPPB1PP1/R3K2R b KQkq - pm Bb4 {17} Qb6 {3} Qc7 {103};
+r4rk1/pbqn1ppp/2pb1n2/1p2p3/3PP3/2N2NP1/PPQ1BP1P/R1BR2K1 b - - pm Rad8 {1} Rae8 {21} Rfe8 {103} b4 {5} h6 {2};
+rn1q1rk1/pb3pp1/1pp2b1p/3p4/1P1P4/2N1PN2/P3BPPP/R2Q1RK1 b - - pm Qd6 {15} Qe7 {1} Re8 {51} a5 {103};
+rnb1k2r/2q1bppp/p2ppn2/1p6/3NP3/1BN2Q2/PPP2PPP/R1B2RK1 w kq - pm Be3 {1} Qg3 {103} Re1 {8} a3 {2};
+rnb1k2r/pp3ppp/4p3/q1Pn4/8/P1P2P2/4P1PP/R1BQKBNR w KQkq - pm Qb3 {1} e4 {103};
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+r1bqk2r/pppp1ppp/5n2/2b1N3/B2nP3/2N5/PPPP1PPP/R1BQK2R b KQkq - pm O-O {107};
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+r2qk2r/pp2bppp/5n2/2np4/8/1N3N2/PPP2PPP/R1BQ1RK1 b kq - pm Nce4 {107} Ne6 {65} Nxb3 {4} O-O {13} Qb6 {1} b6 {5};
+r2qkb1r/1p1b1pp1/p1nppn1p/6B1/3NPP2/2N5/PPPQ2PP/2KR1B1R w kq - pm Bh4 {107} Bxf6 {15};
+rn1q1rk1/pbp1bpp1/1p2pB1p/3p4/2PP4/2N1PN2/PP3PPP/2RQKB1R b K - pm Bxf6 {107};
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+rnbq1rk1/p4ppp/1p2pn2/6B1/1bBP4/2N2N2/PP3PPP/R2Q1RK1 b - - pm Bb7 {107} Bxc3 {1};
+rnbq1rk1/pp2ppbp/6p1/2p5/2BPP3/2P5/P3NPPP/R1BQ1RK1 b - - pm Nc6 {107} Nd7 {2} Qc7 {5} cxd4 {2};
+rnbq1rk1/pp3ppp/4pn2/8/1bBP4/2N2N2/PP3PPP/R1BQK2R w KQ - pm O-O {107} a3 {2};
+rnbqk1nr/ppp1bppp/4p3/3P4/3P4/2N5/PP2PPPP/R1BQKBNR b KQkq - pm exd5 {107};
+rnbqk2r/pp4pp/2pbpn2/3p1p2/2PP4/5NP1/PP2PPBP/RNBQ1RK1 w kq - pm Bf4 {35} Bg5 {3} Nbd2 {10} Nc3 {5} Ne5 {4} Qc2 {17} b3 {107};
+rnbqkb1r/pp1ppppp/2p2n2/8/2P5/5N2/PP1PPPPP/RNBQKB1R w KQkq - pm Nc3 {66} Qa4 {11} b3 {35} d4 {107} e3 {13} g3 {53};
+rnbqkb1r/pppp1ppp/5n2/4p3/2PP4/8/PP2PPPP/RNBQKBNR w KQkq - pm d5 {1} dxe5 {107};
+rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/8/PP2PPPP/RNBQKBNR w KQkq - pm Nc3 {28} Nf3 {18} e3 {1} g3 {107};
+rnbqkbnr/1pp2ppp/p3p3/8/2BP4/4PN2/PP3PPP/RNBQK2R b KQkq - pm Nf6 {53} b5 {12} c5 {107};
+rnbqkbnr/pp2pppp/3p4/8/3QP3/5N2/PPP2PPP/RNB1KB1R b KQkq - pm Bd7 {23} Nc6 {107} Nf6 {1} a6 {58};
+rnbqkbnr/ppp1pppp/3p4/8/2P5/6P1/PP1PPP1P/RNBQKBNR b KQkq - pm Nf6 {107} e5 {3};
+rnbqkbnr/pppppppp/8/8/8/2N5/PPPPPPPP/R1BQKBNR b KQkq - pm Nf6 {39} c5 {96} c6 {3} d5 {107} d6 {2} e5 {14} e6 {1} g6 {9};
+r1b1k2r/1pq1bppp/p1nppn2/8/3NPP2/2N1B3/PPP1B1PP/R2Q1RK1 w kq - pm Bf3 {1} Kh1 {89} Nb3 {3} Nxc6 {22} Qd2 {5} Qd3 {4} Qe1 {108} a3 {4} a4 {68} f5 {6} g4 {5};
+r1b1k2r/pp1p1ppp/1q2pn2/4n3/1bP1P3/1NN3P1/PP2QP1P/R1B1KB1R b KQkq - pm Bxc3+ {1} O-O {11} Qc6 {1} a5 {7} d6 {108};
+r1b1kb1r/pp1n1ppp/2p1pn2/q2P2B1/3P4/2N1PN2/PP3PPP/R2QKB1R b KQkq - pm Nxd5 {108} exd5 {2};
+r1b2rk1/ppq2ppp/2n1p1n1/2ppP2Q/3P4/P1PB1N2/2P2PPP/R1B2RK1 b - - pm Nce7 {8} c4 {108};
+r1b2rk1/ppq2ppp/2n1pn2/2p5/2BP4/P1P1PN2/5PPP/R1BQ1RK1 w - - pm Ba2 {46} Bb2 {67} Bb5 {35} Bd3 {108} Be2 {5} Qc2 {37} Qd3 {1} Qe2 {1} Rb1 {36} Re1 {3} a4 {61} h3 {18};
+r1b2rk1/ppq2ppp/2n2n2/2p1p3/3P4/P1PBPN2/5PPP/R1BQ1RK1 w - - pm Ng5 {1} Qc2 {108};
+r1bq1rk1/pp2bpp1/2n2n1p/3p2B1/3N4/2N3P1/PP2PPBP/R2Q1RK1 w - - pm Be3 {108} Bf4 {11};
+r1bq1rk1/ppp1ppbp/1nn3p1/8/3P4/2N1PNP1/PP3PBP/R1BQ1RK1 b - - pm Bg4 {38} Re8 {108} a5 {1} e5 {37} e6 {1};
+r1bqk2r/pp2bppp/2n1p3/3n4/3P4/2NB1N2/PP3PPP/R1BQK2R w KQkq - pm Be4 {1} O-O {108} a3 {2};
+r1bqkb1r/1p1pnppp/p1n1p3/1Bp5/4P3/2P2N2/PP1P1PPP/RNBQ1RK1 w kq - pm Ba4 {108} Be2 {9};
+r1bqkb1r/pp3ppp/2np1n2/4p3/4P3/2N2N2/PPP1BPPP/R1BQK2R b KQkq - pm Be7 {5} b6 {3} h6 {108};
+r2qk2r/1p1bbppp/p1nppn2/6B1/3NP3/2N2P2/PPPQ2PP/2KR1B1R w kq - pm Be3 {11} Kb1 {4} Nb3 {6} g4 {6} h4 {108};
+r2qk2r/3nbpp1/p2pbn1p/1p2p3/4P1PP/1NN1BP2/PPPQ4/2KR1B1R b kq - pm Nb6 {108} Qc7 {5} b4 {20};
+r4rk1/1bqnbppp/pp1ppn2/8/2PNP3/2N1B1P1/PP3PBP/2RQR1K1 w - - pm Nd5 {2} Qd3 {4} Qe2 {23} Rc2 {1} b3 {108} f3 {48} f4 {83} h3 {11};
+rn1q1rk1/pbp2pp1/1p2pb1p/3P4/3P4/2N1PN2/PP3PPP/2RQKB1R b K - pm exd5 {108};
+rn1q1rk1/pbp2pp1/1p2pb1p/3p4/2PP4/2N1PN2/PP3PPP/2RQKB1R w K - pm cxd5 {108};
+rn1q1rk1/pbpp1ppp/1p2pn2/8/1PP5/P1Q2N2/3PPPPP/R1B1KB1R w KQ - pm Bb2 {108};
+rn1qk2r/p1pp1ppp/bp2pn2/8/1bPP4/5NP1/PPQNPP1P/R1B1KB1R b KQkq - pm Bb7 {108} O-O {9} c5 {5};
+rn1qk2r/pbpp1ppp/1p2pn2/8/1bPP4/5NP1/PPQNPP1P/R1B1KB1R w KQkq - pm Bg2 {108};
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+rn1qkbnr/pp3ppp/4p3/3pPb2/3N4/4B3/PPP1BPPP/RN1QK2R b KQkq - pm Ne7 {108};
+rn1qkbnr/pp3ppp/4p3/3pPb2/3p4/4BN2/PPP1BPPP/RN1QK2R w KQkq - pm Nxd4 {108};
+rnb1k2r/pp3ppp/4pn2/qN4B1/2B1P3/2P5/P4PPP/R2QK2R b KQkq - pm Nxe4 {108};
+rnb2rk1/1pq1bppp/p2ppn2/8/3NPP2/2N1B3/PPP1B1PP/R2Q1RK1 w - - pm Bf3 {38} Kh1 {15} Nb3 {5} Qd3 {4} Qe1 {108} a3 {1} a4 {49} f5 {19} g4 {68};
+rnbq1rk1/p1pp1ppp/1p2pn2/8/1PP5/P1Q2N2/3PPPPP/R1B1KB1R b KQ - pm Bb7 {108} a5 {2};
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+rnbq1rk1/ppp2ppp/4pn2/3p4/1bPP4/P1N1P3/1P2NPPP/R1BQKB1R b KQ - pm Bd6 {30} Be7 {108};
+rnbqk2r/pp1p1ppp/4pn2/2p5/1bPP4/2N2NP1/PP2PP1P/R1BQKB1R b KQkq - pm Bxc3+ {7} Nc6 {43} Ne4 {21} O-O {23} b5 {1} b6 {10} cxd4 {108} d5 {1} d6 {2};
+rnbqk2r/pp1p1ppp/4pn2/8/1bPp4/2N2NP1/PP2PP1P/R1BQKB1R w KQkq - pm Nxd4 {108};
+rnbqk2r/pp1pppbp/2p2np1/8/2PP4/5NP1/PP2PPBP/RNBQK2R b KQkq - pm O-O {90} a6 {12} d5 {108};
+rnbqk2r/pp4pp/2pbpn2/3p1p2/2PP4/1P3NP1/P3PPBP/RNBQ1RK1 b kq - pm Nbd7 {1} O-O {6} Qe7 {108};
+rnbqkbnr/pp2pppp/8/3p4/4P3/8/PP1P1PPP/RNBQKBNR w KQkq - pm Qa4+ {6} e5 {3} exd5 {108};
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+r1b2rk1/ppq2ppp/2n1pn2/2p5/3P4/P1PBPN2/5PPP/R1BQ1RK1 b - - pm e5 {109};
+r1bq1rk1/4bppp/ppnppn2/8/2P1P3/N1N5/PP2BPPP/R1BQ1RK1 w - - pm Be3 {109} Nc2 {7} Qd3 {1} b3 {1} f4 {3} h4 {1};
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+r1bqkb1r/pp3ppp/2n1pn2/2pP4/3P4/2N1PN2/PP3PPP/R1BQKB1R b KQkq - pm Nxd5 {74} exd5 {109};
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+r1bqkbnr/pp1p1ppp/2n1p3/2p5/4P3/5N2/PPPPQPPP/RNB1KB1R w KQkq - pm b3 {1} c3 {4} d3 {2} g3 {109};
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+rn1qkbnr/pppb1ppp/4p3/8/3PN3/8/PPP2PPP/R1BQKBNR w KQkq - pm Bd3 {1} Be2 {3} Nf3 {109} c4 {5};
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+rnbqkb1r/pppp1ppp/5n2/4p3/2B1P3/2N5/PPPP1PPP/R1BQK1NR b KQkq - pm Bc5 {32} Be7 {8} Nc6 {109} Nxe4 {38} c6 {10} d6 {19};
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+r1b1k2r/1pqp1ppp/p3pn2/2b1n3/3NP3/2NBB2P/PPP2PP1/R2Q1R1K b kq - pm b5 {1} d6 {110};
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+r1bn1rk1/ppp1qppp/3p1n2/1B2p1B1/4P3/2PP1N2/P1P2PPP/R2QR1K1 w - - pm d4 {110};
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+rnbqk2r/ppp2ppp/4pn2/3p4/2PP4/P1b2P2/1P2P1PP/R1BQKBNR w KQkq - pm bxc3 {110};
+rnbqkbnr/ppp1pppp/3p4/8/2P5/8/PP1PPPPP/RNBQKBNR w KQkq - pm Nc3 {27} d4 {38} g3 {110};
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+r1b1k2r/ppppnppp/2n2q2/2b5/2BNP3/2P1B3/PP3PPP/RN1QK2R b KQkq - pm Ne5 {111} O-O {96} b6 {10} d6 {1};
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+r1bqkb1r/pp3ppp/2n1pn2/2pp4/4P3/3P1NP1/PPPN1PBP/R1BQK2R b KQkq - pm Bd6 {1} Be7 {111} g6 {6};
+r1bqkbnr/pp1ppp1p/2n3p1/2p5/2P5/2N3P1/PP1PPPBP/R1BQK1NR b KQkq - pm Bg7 {111} Nf6 {4} a6 {1} d6 {4};
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+r2qkb1r/pp1b1ppp/2n1pn2/4N3/2pp4/N5P1/PP2PPBP/R1BQ1RK1 w kq - pm Naxc4 {111};
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+rn1qkb1r/ppp2ppp/3pp3/3nP3/3P2b1/5N2/PPP1BPPP/RNBQK2R w KQkq - pm Nc3 {1} O-O {111} c4 {5} h3 {6};
+rnbq2k1/pp2n1pp/4pr2/2pp2B1/3P2Q1/P1PB4/2P2PPP/R3K1NR b KQ - pm Nd7 {1} Rf7 {111} e5 {3};
+rnbqk2r/ppp1bppp/5n2/3p2B1/3P4/2N5/PP2PPPP/R2QKBNR w KQkq - pm Nf3 {15} Qc2 {5} e3 {111};
+rnbqkb1r/1pp2ppp/p3pn2/8/2BP4/4PN2/PP2QPPP/RNB1K2R b KQkq - pm Be7 {1} b5 {5} c5 {111};
+rnbqkb1r/pp1ppppp/5n2/2p5/2P5/6P1/PP1PPP1P/RNBQKBNR w KQkq - pm Bg2 {104} Nc3 {47} Nf3 {111};
+rnbqkb1r/ppp1pp1p/3p1np1/8/2PPP3/2N5/PP3PPP/R1BQKBNR b KQkq - pm Bg7 {111} Nbd7 {3} Nc6 {1} c5 {2} c6 {2} e5 {3};
+rnbqkb1r/ppp2ppp/4pn2/3p4/4P3/3P4/PPPN1PPP/R1BQKBNR w KQkq - pm Ngf3 {111} g3 {9};
+rnbqkbnr/pp1ppp1p/6p1/2p5/2P1P3/5N2/PP1P1PPP/RNBQKB1R b KQkq - pm Bg7 {111} Bh6 {1} Nc6 {29} Nf6 {16} Qa5 {12} d6 {10};
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+r1b1k2r/ppppqppp/2n1p3/8/2PPn3/2B2NP1/PP2PP1P/R2QKB1R w KQkq - pm Bd2 {1} Bg2 {1} Qc2 {16} Rc1 {117};
+r1b1kb1r/pp1n1ppp/2p1pn2/q2p2B1/2PP4/2N1PN2/PP3PPP/R2QKB1R w KQkq - pm Be2 {3} Bxf6 {3} Nd2 {117} Qc2 {1} cxd5 {110};
+r1b2rk1/pp2bppp/2n1pn2/q2p4/2P2B2/P1N1PN2/1PQ2PPP/2KR1B1R w - - pm Bd3 {1} Bg5 {2} Kb1 {117} Nd2 {3} Rd2 {1} Rg1 {2} cxd5 {11} e4 {9} g4 {22} h3 {37} h4 {62};
+r1bq1rk1/pp2bppp/2n2n2/2Pp4/8/2N2NP1/PP2PPBP/R1BQ1RK1 b - - pm Bxc5 {117} d4 {1};
+r1bq1rk1/pppnn1bp/3p2p1/3Pp3/2P1Pp2/2N2P2/PP2BBPP/R2QNRK1 b - - pm b6 {3} g5 {117};
+r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N3P1/PP1PPPBP/R1BQK1NR w KQkq - pm Nf3 {117} Nh3 {3} Rb1 {2} a3 {95} b3 {2} d3 {11} e3 {29} e4 {24};
+r1bqkb1r/pp1pnppp/2n1p3/1Bp5/4P3/2P2N2/PP1P1PPP/RNBQ1RK1 b kq - pm a6 {117} d5 {13} g6 {2};
+r1bqkb1r/pp2pppp/2n2n2/2pP4/8/2N2NP1/PP1PPP1P/R1BQKB1R b KQkq - pm Nxd5 {117};
+r1bqkb1r/pp2pppp/2n2n2/2pp4/2P5/2N2NP1/PP1PPP1P/R1BQKB1R w KQkq - pm cxd5 {117} d4 {84};
+r1bqkb1r/pp2pppp/2n5/2pn4/8/2N2NP1/PP1PPPBP/R1BQK2R b KQkq - pm Nb6 {4} Nc7 {117} Nf6 {3} Nxc3 {2} e6 {66} g6 {42};
+r1bqkbnr/pp2pppp/2np4/1B6/3QP3/5N2/PPP2PPP/RNB1K2R b KQkq - pm Bd7 {117} Bg4 {3} Nf6 {2} Qc7 {3} Qd7 {8} a6 {1} e5 {1};
+r2q1rk1/pp2ppbp/3pbnp1/8/3BP3/2N2P2/PPPQ2PP/2KR1B1R w - - pm Kb1 {117} a3 {1} g4 {2} h4 {13};
+r2qkb1r/1b1n1pp1/p2ppn1p/1p6/3NP1P1/P1N1BP2/1PPQ3P/2KR1B1R b kq - pm Be7 {17} Ne5 {8} Qc7 {9} Rc8 {82} d5 {117};
+rn1qk2r/p1pp1ppp/bp2pn2/8/1bPP4/5NP1/PP1NPP1P/R1BQKB1R w KQkq - pm Qa4 {10} Qb3 {8} Qc2 {117} a3 {4};
+rnb1kb1r/1pq2ppp/p2ppn2/8/3NPP2/2N5/PPP1B1PP/R1BQ1RK1 b kq - pm Bd7 {1} Be7 {117} Nbd7 {1} b5 {1};
+rnb1kbnr/ppp1pppp/8/q7/3P4/2N5/PPP2PPP/R1BQKBNR b KQkq - pm Bf5 {6} Nf6 {117} c6 {42} e5 {2};
+rnbqk2r/p1p1bp1p/1p2pp2/8/3PN3/5N2/PPP2PPP/R2QKB1R w KQkq - pm Bb5+ {8} Bc4 {117} Bd3 {20} Qd3 {1} c4 {1};
+rnbqk2r/pp2bppp/2p2n2/3p2B1/3P4/2N2N2/PP2PPPP/R2QKB1R w KQkq - pm Qc2 {117} e3 {41} g3 {2};
+rnbqkb1r/ppp2p1p/5n2/3PN3/2B2ppP/8/PPPP2P1/RNBQK2R b KQkq - pm Bb4 {3} Bd6 {48} Be7 {1} Bg7 {117} Nbd7 {5} Ne4 {5} Nh5 {7} Nxd5 {35} Qe7 {1};
+rnbqkb1r/pppp1ppp/4pn2/6B1/3P4/5N2/PPP1PPPP/RN1QKB1R b KQkq - pm Bb4+ {4} Be7 {20} b6 {11} c5 {117} d5 {21} d6 {1} g6 {1} h6 {68};
+rnbqkbnr/pp2pppp/2p5/3P4/4P3/8/PP1P1PPP/RNBQKBNR b KQkq - pm cxd5 {117};
+r1b1k2r/1pq1bppp/p1nppn2/8/3NPP2/2N5/PPP1B1PP/R1BQ1R1K w kq - pm Be3 {118} Bf3 {2} Nxc6 {9} a4 {20} f5 {4};
+r1b1kbnr/ppqppppp/2n5/8/3NP3/8/PPP2PPP/RNBQKB1R w KQkq - pm Be2 {2} Be3 {4} Nb5 {20} Nc3 {118} c4 {5};
+r1b2rk1/2q1bppp/p2p1n2/nppPp3/4P3/2P2N1P/PPB2PP1/RNBQR1K1 b - - pm Bd7 {118} Nb7 {6} Nc4 {14} Nd7 {14} Rb8 {4} Re8 {1} c4 {1} h6 {2};
+r1bq1rk1/pp2ppbp/2n3p1/2p5/3PP3/2P2N2/P3BPPP/1RBQK2R w K - pm Be3 {12} d5 {118};
+r1bq1rk1/pp3ppp/2n2n2/2bp4/8/2N2NP1/PP2PPBP/R1BQ1RK1 w - - pm Bf4 {11} Bg5 {118} Na4 {15} a3 {4} b3 {1};
+r1bq1rk1/ppp2pbp/n2p2p1/4p1B1/2PPP1n1/2N2N2/PP2BPPP/R2Q1RK1 b - - pm Qd7 {2} Qe8 {118} f6 {16};
+r1bq1rk1/pppp1ppp/1bn2n2/1B2p3/3PP3/2P2N2/PP3PPP/RNBQ1RK1 w - - pm Bg5 {118} Bxc6 {1} Qd3 {2} Re1 {17} a4 {3} dxe5 {5};
+r1bqk2r/pp1p1ppp/2n1pn2/1N6/1b2P3/2N5/PPP2PPP/R1BQKB1R w KQkq - pm Bf4 {26} Nd6+ {3} a3 {118};
+r1bqk2r/pp1p1ppp/2n1pn2/1N6/1b2P3/P1N5/1PP2PPP/R1BQKB1R b KQkq - pm Bxc3+ {118};
+r1bqk2r/pp1p1ppp/2n1pn2/1N6/4P3/P1b5/1PP2PPP/R1BQKB1R w KQkq - pm Nxc3 {118};
+r1bqk2r/pp1pppbp/2n2np1/1Bp5/4P3/2P2N2/PP1P1PPP/RNBQ1RK1 w kq - pm Qa4 {5} Qe2 {9} Re1 {118} d4 {2} e5 {10};
+r1bqkb1r/pp4pp/2n1pn2/3p4/3P4/3B1N2/PP2NPPP/R1BQK2R b KQkq - pm Bb4+ {6} Bd6 {118} Be7 {4} Qb6 {4} Qc7 {4};
+r1bqkb1r/pppn1ppp/4pN2/8/3P4/5N2/PPP2PPP/R1BQKB1R b KQkq - pm Nxf6 {118};
+r1bqkb1r/pppn1ppp/4pn2/8/3PN3/5N2/PPP2PPP/R1BQKB1R w KQkq - pm Bd3 {30} Bg5 {72} Ng3 {3} Nxf6+ {118};
+r1bqkbnr/pppp1ppp/2n5/4p3/2B1P3/8/PPPP1PPP/RNBQK1NR w KQkq - pm Nc3 {30} Nf3 {118} d3 {17};
+r2qk2r/pppbbppp/2np1n2/1B6/3NP3/2N5/PPP2PPP/R1BQR1K1 b kq - pm Nxd4 {4} O-O {118};
+r2qkb1r/1ppb1ppp/p1n1pn2/8/2pP4/2N1PNP1/PP3PBP/R1BQ1RK1 b kq - pm Bb4 {1} Bd6 {118} Nd5 {18} Rb8 {5} b5 {1};
+rn1q1rk1/pbp1bpp1/1p2pn1p/8/2BP3B/2N1PN2/PP3PPP/2RQK2R b K - pm Nbd7 {118} Nc6 {2} Nd5 {7} Ne8 {2} a6 {7} c5 {40};
+rnb1qrk1/ppp1p1bp/3p1np1/5p2/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 w - - pm Be3 {1} Nd5 {18} Qb3 {2} Re1 {11} b3 {31} d5 {118};
+rnbq1rk1/pp1p1ppp/4pn2/2b5/2P5/P1N2N2/1PQ1PPPP/R1B1KB1R b KQ - pm Nc6 {41} Qc7 {3} b6 {118} d5 {6};
+rnbqk1nr/ppp1ppbp/3p2p1/8/3PP3/5N2/PPP2PPP/RNBQKB1R w KQkq - pm Bc4 {43} Bd3 {11} Be2 {64} Be3 {2} Nc3 {118} c3 {52} c4 {23} h3 {13};
+rnbqk2r/ppp1bppp/4pn2/3p4/2P5/5NP1/PP1PPPBP/RNBQ1RK1 b kq - pm Nc6 {2} O-O {118} c6 {2};
+rnbqk2r/ppppppbp/5np1/8/3P1B2/5N2/PPP1PPPP/RN1QKB1R w KQkq - pm Nbd2 {20} Nc3 {6} c3 {16} c4 {1} e3 {118} h3 {3};
+rnbqkb1r/pp1ppppp/5n2/2p5/3P4/5N2/PPP1PPPP/RNBQKB1R w KQkq - pm c3 {27} c4 {60} d5 {118} dxc5 {3} e3 {30} g3 {1};
+rnbqkb1r/pp3ppp/5n2/2pp4/3P4/4PN2/PP3PPP/RNBQKB1R w KQkq - pm Bb5+ {118} Be2 {16} Nc3 {12};
+rnbqkbnr/ppp2ppp/4p3/3p4/4P3/3P4/PPPN1PPP/R1BQKBNR b KQkq - pm Nc6 {2} Nf6 {118} c5 {45} dxe4 {1};
+2rq1rk1/p2nbppp/bpp1p3/3p4/2PP4/1PB3P1/P2NPPBP/R2Q1RK1 w - - pm Bb2 {10} Bf3 {1} Qc1 {4} Qc2 {72} Rb1 {1} Rc1 {35} Re1 {119} a4 {26} e3 {18} e4 {82};
+r1b2rk1/2qp1ppp/p1p1pn2/8/Nb2P3/4B3/PPP1BPPP/R2Q1RK1 w - - pm Bb6 {6} Bd3 {2} Nb6 {119} c4 {12} f4 {24};
+r1b2rk1/2qp1ppp/pNp1pn2/8/1b2P3/4B3/PPP1BPPP/R2Q1RK1 b - - pm Rb8 {119};
+r1bq1rk1/1ppnn1bp/3p2p1/p2Ppp2/2P1P3/P1N5/1P1NBPPP/1RBQ1RK1 w - - pm Re1 {1} b
+
--- /dev/null
+setboard
+id "ECM.946"
+
+go
+setboard
+id "ECM.949"
+
+go
+setboard 2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - -
+id "ECM.952"
+solution Nd5
+go
+setboard rn3rk1/4bppp/1q2p3/p2pP3/8/1PN2B1P/P4PP1/2RQ1RK1 w - -
+id "ECM.961"
+solution Bxd5
+go
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -
+id "ECM.973"
+solution Rxc8
+go
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -
+id "ECM.977"
+solution Rxc8
+go
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -
+id "ECM.978"
+solution Nxc6
+go
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -
+id "ECM.986"
+solution Nxc6
+go
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -
+id "ECM.987"
+solution Qxf7+
+go
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -
+id "ECM.993"
+solution Qxf7+
+go
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -
+id "ECM.999"
+solution Nxf7
+go
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -
+id "ECM.1004"
+solution Nxf7
+go
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -
+id "ECM.1007"
+solution g6
+go
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -
+id "ECM.1009"
+solution Kg2
+go
+setboard r1bqnrk1/pp2ppb1/1np3pp/4P1N1/5P2/2NBB3/PPP3PP/R2Q1RK1 w - -
+id "ECM.1011"
+solution Nh7
+go
+setboard 4rrk1/1bp2ppp/p1q2b1B/1pn2B2/4N1Q1/2P4P/PP3PP1/3RR1K1 w - -
+id "ECM.1016"
+solution Nxc5
+go
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -
+id "ECM.1018"
+solution Rd4
+go
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -
+id "ECM.1020"
+solution exf6
+go
+setboard 2r1rbk1/1b3ppp/pp6/2q1pNP1/Pn1RP3/2N5/1PP2QBP/5R1K w - -
+id "ECM.1025"
+solution Nh6+
+go
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -
+id "ECM.1028"
+solution Re7
+go
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -
+id "ECM.1038"
+solution Re7
+go
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -
+id "ECM.1041"
+solution Re7
+go
+setboard r1k4r/ppp1b3/5Npp/4pb1Q/8/1B2B3/PqP2PPP/2RR2K1 w - -
+id "ECM.1045"
+solution Qxf5+
+go
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -
+id "ECM.1053"
+solution Nxh7
+go
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -
+id "ECM.1057"
+solution Rxf6
+go
+setboard rbbq1rk1/p3nppp/1p2p3/8/1B1pN3/P2B4/1P3PPP/2RQ1RK1 w - -
+id "ECM.1065"
+solution Nf6+
+go
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -
+id "ECM.1066"
+solution Nxh5
+go
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -
+id "ECM.1068"
+solution Rxe7
+go
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -
+id "ECM.1076"
+solution Rxe7
+go
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -
+id "ECM.1080"
+solution Rxe7
+go
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -
+id "ECM.1082"
+solution Bd5+
+go
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -
+id "ECM.1084"
+solution Ba3
+go
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -
+id "ECM.1085"
+solution g6
+go
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -
+id "ECM.1093"
+solution g6
+go
+setboard 8/p5Q1/2ppq2p/3n1ppk/3B4/2P2P1P/P5P1/6K1 w - -
+id "ECM.1096"
+solution g4+
+go
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -
+id "ECM.1098"
+solution Ba4
+go
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -
+id "ECM.1114"
+solution Nxf7
+go
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -
+id "ECM.1122"
+solution Nxf7
+go
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -
+id "ECM.1127"
+solution Nxf7
+go
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -
+id "ECM.1131"
+solution Nb6
+go
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -
+id "ECM.1132"
+solution Nb6
+go
+setboard 1rbr2k1/4qp2/p1n2bpp/1pp1p1N1/4P3/2P1BQ1P/PPB2PP1/3RR1K1 w - -
+id "ECM.1133"
+solution Bxc5
+go
+setboard 2r2rk1/1p1q1ppp/1p3n2/3p1N2/4n3/1N3Q2/PPP2PPP/R2R2K1 w - -
+id "ECM.1134"
+solution Rxd5
+go
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -
+id "ECM.1147"
+solution Rb3
+go
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -
+id "ECM.1150"
+solution Bf4
+go
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -
+id "ECM.1151"
+solution Re7
+go
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -
+id "ECM.1152"
+solution Re7
+go
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -
+id "ECM.1160"
+solution Re7
+go
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -
+id "ECM.1161"
+solution Bg7
+go
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -
+id "ECM.1176"
+solution Qc1
+go
+setboard 3r1rk1/1pq1nppp/p7/2pB3Q/P4P2/1P2P3/6PP/2RR2K1 w - -
+id "ECM.1177"
+solution Rxc5
+go
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -
+id "ECM.1178"
+solution Rxd6
+go
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -
+id "ECM.1179"
+solution Rxd6
+go
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -
+id "ECM.1185"
+solution Bh7+
+go
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -
+id "ECM.1188"
+solution Bxf7+
+go
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -
+id "ECM.1189"
+solution Bb7
+go
+setboard 5r1r/1pkb4/5pB1/2P5/p3R2P/Pq6/1PQ2Pn1/K2R4 w - -
+id "ECM.1193"
+solution Rxd7
+go
+setboard 2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - -
+id "ECM.1199"
+solution Bxh6
+go
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -
+id "ECM.1200"
+solution Rxh8+
+go
+setboard r1bqrnk1/p4p2/1p5p/3pB1p1/P2P2n1/1P1B2N1/2Q3PP/R4RK1 w - -
+id "ECM.1202"
+solution Bh7+
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1204"
+solution Nxf7
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1208"
+solution Nxf7
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1214"
+solution Nxf7
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1217"
+solution Nxf7
+go
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -
+id "ECM.1218"
+solution Nxg7
+go
+setboard b6r/2q2k2/4pPp1/1p1n2Bp/2pPB1PP/2P2Q2/8/4R1K1 w - -
+id "ECM.1223"
+solution Bxg6+
+go
+setboard r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - -
+id "ECM.1224"
+solution Qh6+
+go
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -
+id "ECM.1227"
+solution Nxg7
+go
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -
+id "ECM.1229"
+solution Nxg7
+go
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -
+id "ECM.1232"
+solution Qxg6+
+go
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -
+id "ECM.1234"
+solution Qxg6+
+go
+setboard r3rk2/p2q1b1p/1pnP1Qp1/5pN1/2p2P2/P1P5/7P/4RRK1 w - -
+id "ECM.1249"
+solution Re7
+go
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -
+id "ECM.1254"
+solution R1b4
+go
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -
+id "ECM.1257"
+solution R1b4
+go
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -
+id "ECM.1259"
+solution Nd5
+go
+setboard 5k1r/ppqnnp2/3b2p1/2pB2Qp/3p3N/1P1P2P1/P1P2P2/2B1R1K1 w - -
+id "ECM.1262"
+solution Rxe7
+go
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -
+id "ECM.1265"
+solution Rxd7
+go
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -
+id "ECM.1267"
+solution Qh6
+go
+setboard 3rqb2/1pR3pk/p3n1pp/3p4/3B4/PP6/1P4PP/4RQK1 w - -
+id "ECM.1269"
+solution Rxe6
+go
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -
+id "ECM.1270"
+solution Rxc8+
+go
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -
+id "ECM.1271"
+solution Rxe4
+go
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -
+id "ECM.1273"
+solution Rxe4
+go
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -
+id "ECM.1274"
+solution Rxe4
+go
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -
+id "ECM.1277"
+solution Rxc5
+go
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -
+id "ECM.1278"
+solution Rxc5
+go
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -
+id "ECM.1281"
+solution Nxe6
+go
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -
+id "ECM.1285"
+solution Nxe6
+go
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -
+id "ECM.1293"
+solution Rxd7
+go
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -
+id "ECM.1294"
+solution Rxd7
+go
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -
+id "ECM.1295"
+solution Rxd4
+go
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -
+id "ECM.1304"
+solution Rxd8
+go
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -
+id "ECM.1306"
+solution Rxg6+
+go
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -
+id "ECM.1308"
+solution Bd8
+go
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -
+id "ECM.1314"
+solution Bd8
+go
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -
+id "ECM.1317"
+solution Bxe5+
+go
+setboard r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - -
+id "ECM.1318"
+solution Bc3
+go
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -
+id "ECM.1321"
+solution Rxc4
+go
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -
+id "ECM.1325"
+solution Rxc4
+go
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -
+id "ECM.1327"
+solution Nf6+
+go
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -
+id "ECM.1329"
+solution Nf6+
+go
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -
+id "ECM.1332"
+solution Rxa6
+go
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -
+id "ECM.1335"
+solution Rxa6
+go
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -
+id "ECM.1336"
+solution Rxd3
+go
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -
+id "ECM.1340"
+solution e5
+go
+setboard r1b2rk1/pp2qp2/2nRp1p1/6Pn/1Pp5/P1N1P3/1BQ2PP1/2K2B1R w - -
+id "ECM.1341"
+solution Rxh5
+go
+setboard R2b2k1/2rq1n1p/3p2p1/1p1Ppp1n/1P6/1B1PQN1P/1B3PP1/6K1 w - -
+id "ECM.1344"
+solution Nxe5
+go
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -
+id "ECM.1346"
+solution Rxc4
+go
+setboard 4r1k1/1p5p/5ppP/1qnP4/r4R2/P6P/1B1Q2K1/5R2 w - -
+id "ECM.1347"
+solution Rxf6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "ECM.1348"
+solution e6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "ECM.1350"
+solution e6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "ECM.1352"
+solution e6
+go
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -
+id "ECM.1354"
+solution Ng5
+go
+setboard 1r1q2k1/7p/2p3p1/1P1n1b1r/2BQ4/4B3/P6P/1R3RK1 w - -
+id "ECM.1355"
+solution bxc6
+go
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -
+id "ECM.1357"
+solution Rxf6
+go
+setboard 1n2n1r1/r3qppk/p2p3p/3PpP1P/1P2P3/3B2RQ/3B1P1K/6R1 w - -
+id "ECM.1371"
+solution Bxh6
+go
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -
+id "ECM.1376"
+solution Bh4
+go
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -
+id "ECM.1377"
+solution Bf8
+go
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -
+id "ECM.1380"
+solution Ng6+
+go
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -
+id "ECM.1381"
+solution Qb2
+go
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -
+id "ECM.1383"
+solution Qxg5+
+go
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -
+id "ECM.1387"
+solution Qxg5+
+go
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -
+id "ECM.1394"
+solution Qxg5+
+go
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -
+id "ECM.1398"
+solution Bxh5
+go
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -
+id "ECM.1403"
+solution Rxd5
+go
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -
+id "ECM.1405"
+solution Rf6
+go
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -
+id "ECM.1408"
+solution Rf6
+go
+setboard 2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - -
+id "ECM.1409"
+solution Nxf5+
+go
+setboard 1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - -
+id "ECM.1410"
+solution Ne6
+go
+setboard r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - -
+id "ECM.1421"
+solution Nxh6
+go
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -
+id "ECM.1423"
+solution Bg5
+go
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -
+id "ECM.1426"
+solution Bg5
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1433"
+solution Nd6
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1434"
+solution Nd6
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1438"
+solution Nd6
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1439"
+solution Nd6
+go
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -
+id "ECM.1448"
+solution Rxe6
+go
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -
+id "ECM.1450"
+solution Nxf5
+go
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -
+id "ECM.1452"
+solution Nxf5
+go
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -
+id "ECM.1454"
+solution Bxf6
+go
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -
+id "ECM.1457"
+solution Bxf6
+go
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -
+id "ECM.1478"
+solution Nf5+
+go
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -
+id "ECM.1495"
+solution Nf5+
+go
+setboard 1r2r1k1/1bn2pbp/pp1q1np1/2pPN1B1/P1B5/2N4P/1P1Q1PP1/R3R1K1 w - -
+id "ECM.1503"
+solution Nxf7
+go
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -
+id "ECM.1504"
+solution Rxc5
+go
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -
+id "ECM.1516"
+solution Bh3
+go
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -
+id "ECM.1525"
+solution Nxc6
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1527"
+solution h3
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1529"
+solution h3
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1533"
+solution h3
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1536"
+solution h3
+go
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -
+id "ECM.1546"
+solution Rxc6
+go
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -
+id "ECM.1547"
+solution f6
+go
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -
+id "ECM.1551"
+solution e5
+go
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -
+id "ECM.1553"
+solution b5
+go
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -
+id "ECM.1554"
+solution Rxa6
+go
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -
+id "ECM.1561"
+solution Rxa6
+go
+setboard 2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - -
+id "ECM.1563"
+solution Nxe6
+go
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -
+id "ECM.1564"
+solution Ba6
+go
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -
+id "ECM.1573"
+solution Nxa7
+go
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -
+id "ECM.1578"
+solution Nxa7
+go
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -
+id "ECM.1579"
+solution cxb6
+go
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -
+id "ECM.1582"
+solution f5
+go
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -
+id "ECM.1584"
+solution f5
+go
+setboard r1b2rk1/1p2qppp/p3p3/2n5/3N4/3B1R2/PPP1Q1PP/R5K1 w - -
+id "ECM.1590"
+solution Bxh7+
+go
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -
+id "ECM.1592"
+solution Bxh7+
+go
+setboard 1rb2rk1/3nqppp/p1n1p3/1p1pP3/5P2/2NBQN2/PPP3PP/2KR3R w - -
+id "ECM.1594"
+solution Bxh7+
+go
+setboard r4rk1/1bq2ppp/p1p1p3/2b1P1B1/3p2Q1/3B4/PPP2PPP/R3R1K1 w - -
+id "ECM.1597"
+solution Bxh7+
+go
+setboard 2r2r2/p2qppkp/3p2p1/3P1P2/2n2R2/7R/P5PP/1B1Q2K1 w - -
+id "ECM.1600"
+solution Rxh7+
+go
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -
+id "ECM.1601"
+solution Rxh7
+go
+setboard 4rrk1/2q1bppp/p2p4/1p1Pn3/3B1R2/P2B2Q1/1PP3PP/5R1K w - -
+id "ECM.1602"
+solution Bxh7+
+go
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -
+id "ECM.1604"
+solution Nxh7
+go
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -
+id "ECM.1605"
+solution Nxh7
+go
+setboard b3r1k1/2rN1ppp/2n1p3/p7/P3BP2/1R6/q1P2QPP/3R2K1 w - -
+id "ECM.1606"
+solution Bxh7+
+go
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -
+id "ECM.1607"
+solution Qxh7+
+go
+setboard 5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - -
+id "ECM.1610"
+solution Bxh7+
+go
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -
+id "ECM.1612"
+solution Nxh7
+go
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -
+id "ECM.1614"
+solution Rxh7
+go
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -
+id "ECM.1617"
+solution Nxh7
+go
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -
+id "ECM.1618"
+solution Bxh7+
+go
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -
+id "ECM.1620"
+solution Bxh7+
+go
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -
+id "ECM.1621"
+solution Bxh7+
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "ECM.1622"
+solution Nxh7
+go
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -
+id "ECM.1623"
+solution Rxh7
+go
--- /dev/null
+setboard 1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - -\r
+solution Nxg4\r
+id "ECM.011"\r
+go\r
+setboard 2rr2k1/1b3p1p/p4qpb/2R1n3/3p4/BP2P3/P3QPPP/3R1BKN b - -\r
+solution Rxc5\r
+id "ECM.016"\r
+go\r
+setboard r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R2K1 w - -\r
+solution Nxd6\r
+id "ECM.018"\r
+go\r
+setboard b7/2q2kp1/p3pbr1/1pPpP2Q/1P1N3P/6P1/P7/5RK1 w - -\r
+solution Rxf6+\r
+id "ECM.019"\r
+go\r
+setboard r1b2rk1/2q2ppp/2pbp3/p7/4Nn2/3B4/PPPBQ1PP/R4R1K w - -\r
+solution Rxf4\r
+id "ECM.028"\r
+go\r
+setboard 3r2k1/1q1P1ppp/r2R2n1/p4Q2/1ppB2R1/6P1/PP3PP1/6K1 w - -\r
+solution Rgxg6\r
+id "ECM.029"\r
+go\r
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -\r
+solution Rxc8\r
+id "ECM.035"\r
+go\r
+setboard r1b1rnk1/1p3pb1/1qpp2p1/2n5/2PNP2p/1PN3PP/3R1PBK/BR1Q4 b - -\r
+solution Rxa1\r
+id "ECM.039"\r
+go\r
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -\r
+solution Nxc6\r
+id "ECM.040"\r
+go\r
+setboard 2rr4/5pk1/p1q3p1/3bpP1p/1p4nR/1N4Q1/PPP3PP/3NR2K b - -\r
+solution Bxg2+\r
+id "ECM.043"\r
+go\r
+setboard r4rk1/pp4pp/2nqb3/3p4/8/2NB4/PP1Q1PPP/4RRK1 w - -\r
+solution Bxh7+\r
+id "ECM.044"\r
+go\r
+setboard 3rkb1r/1p3p2/p1n1p3/q5pp/2PpP3/1P4P1/P1Q1BPKP/R2N3R b k -\r
+solution d3\r
+id "ECM.048"\r
+go\r
+setboard 1k1r1b1r/p1p1q3/2p1p3/4Ppp1/4nP2/P2BQ3/1PP3PB/2KR3R b - -\r
+solution Rxh2\r
+id "ECM.051"\r
+go\r
+setboard r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - -\r
+solution Nfxe4\r
+id "ECM.053"\r
+go\r
+setboard r4rk1/pp1b2pp/3bpq2/3p1p2/2PPn3/PP1B4/1BQN1PPP/R4RK1 b - -\r
+solution Bxh2+\r
+id "ECM.060"\r
+go\r
+setboard 4nk2/r1r1bppp/pN2p3/2np4/8/BPN3PP/P3PPK1/2RR4 w - -\r
+solution Ncxd5\r
+id "ECM.063"\r
+go\r
+setboard 3r1rk1/1b2bppp/2q1pn2/pp4Q1/3B1P2/PBN5/1PP3PP/R2R3K b - -\r
+solution Rxd4\r
+id "ECM.066"\r
+go\r
+setboard r1b2rk1/1p2bppp/p3pn2/4B3/1qBR4/2N5/P3QPPP/R5K1 w - -\r
+solution Bd3\r
+id "ECM.068"\r
+go\r
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -\r
+solution Qh6\r
+id "ECM.071"\r
+go\r
+setboard r1b2kr1/1p1p1pNp/p1n1p1p1/5P2/3QP3/2N5/PqP1B1PP/R4RK1 w - -\r
+solution fxg6\r
+id "ECM.076"\r
+go\r
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -\r
+solution Rd4\r
+id "ECM.080"\r
+go\r
+setboard Q7/p1r1ppk1/1qP4p/2Rb2p1/8/3N2P1/4PP1P/6K1 b - -\r
+solution Qb1+\r
+id "ECM.081"\r
+go\r
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -\r
+solution exf6\r
+id "ECM.082"\r
+go\r
+setboard 4r1k1/1b4pp/p7/1prP3q/2P1B3/5P2/P3Q2P/3RR2K w - -\r
+solution Bg6\r
+id "ECM.084"\r
+go\r
+setboard rn1q1r2/4bpk1/p3p3/1pN1N1np/2pP4/4PpBb/PPQ4P/1B1RK1R1 w - -\r
+solution Nc6\r
+id "ECM.091"\r
+go\r
+setboard 6k1/1pqb1p2/5bpB/r2n4/4N1P1/1P3P2/1P1Q4/1K5R w - -\r
+solution Qxd5\r
+id "ECM.099"\r
+go\r
+setboard 2kr1r2/1pp3pp/1n2p1b1/pN2B3/P1q5/1Q1p3P/5PP1/R4R1K w - -\r
+solution Rac1\r
+id "ECM.109"\r
+go\r
+setboard r1b1Q3/6pk/p6p/1pq1n3/4N3/8/PPP3PP/R6K b - -\r
+solution Qc6\r
+id "ECM.112"\r
+go\r
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -\r
+solution Nxh7\r
+id "ECM.115"\r
+go\r
+setboard 4qbk1/1R5n/p2pr1p1/2pQpNPp/P1P1P3/2P2P2/3B4/5K2 w - -\r
+solution Ne7+\r
+id "ECM.117"\r
+go\r
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.119"\r
+go\r
+setboard 2b1rr1k/1p5p/1Ppp2q1/p3bN2/2P1n3/5R2/PBQ3BP/3R2K1 w - -\r
+solution Nxd6\r
+id "ECM.123"\r
+go\r
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -\r
+solution Nxh5\r
+id "ECM.128"\r
+go\r
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -\r
+solution Rxe7\r
+id "ECM.130"\r
+go\r
+setboard 2rq1rk1/pp2bppp/1npp1n2/3PpN1b/2P5/2N3PP/PP2PPB1/R1BQ1RK1 w - -\r
+solution c5\r
+id "ECM.131"\r
+go\r
+setboard 2n1rbk1/5pp1/7p/qP1pp3/4b1Q1/1B5P/1P1N1PP1/2B1R1K1 w - -\r
+solution Rxe4\r
+id "ECM.133"\r
+go\r
+setboard 4k3/2R2p2/5p1p/8/rb6/1N6/5PPP/5K2 w - -\r
+solution Rc4\r
+id "ECM.134"\r
+go\r
+setboard 2k3r1/pp2rp2/1np5/2Np1p2/P2P3p/1R2P1Pq/2Q2P1P/1R4K1 w - -\r
+solution Nxb7\r
+id "ECM.135"\r
+go\r
+setboard 8/1Qp3pk/7p/5p2/5Pqn/1P1r4/P5PP/2B2RK1 b - -\r
+solution c6\r
+id "ECM.137"\r
+go\r
+setboard b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - -\r
+solution d3+\r
+id "ECM.142"\r
+go\r
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -\r
+solution Bd5+\r
+id "ECM.144"\r
+go\r
+setboard 6k1/4ppbp/p5p1/1B1Q4/2P2Pn1/8/qr4PP/2B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.145"\r
+go\r
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -\r
+solution Ba3\r
+id "ECM.146"\r
+go\r
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -\r
+solution g6\r
+id "ECM.147"\r
+go\r
+setboard 5r2/1b3pk1/pqrpp1p1/4n1Nn/1p2PP1P/8/PPPQB3/1NKR2R1 b - -\r
+solution Rfc8\r
+id "ECM.148"\r
+go\r
+setboard 8/1bq3kp/p5p1/1pb1p3/4P2P/2PQ2P1/1P5B/5N1K b - -\r
+solution Qd8\r
+id "ECM.153"\r
+go\r
+setboard 4r3/Q2bppkp/3p2p1/3Nn3/4P3/6PP/1qr2PB1/R3R1K1 b - -\r
+solution Ra8\r
+id "ECM.155"\r
+go\r
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -\r
+solution Ba4\r
+id "ECM.160"\r
+go\r
+setboard r1bq3k/ppp2Qp1/2n1p2p/6N1/2BPN3/2P1n3/PP4PP/R5K1 w - -\r
+solution Nf6\r
+id "ECM.161"\r
+go\r
+setboard 3R4/1p2kp2/p1b1nN2/6p1/8/6BP/2r1qPPK/Q7 w - -\r
+solution Rd7+\r
+id "ECM.162"\r
+go\r
+setboard r1b3k1/ppp2r2/6p1/3n3p/6qP/3BQ3/PBP5/2KR3R w - -\r
+solution Bd4\r
+id "ECM.180"\r
+go\r
+setboard 1R3b2/3r3k/2p1bp1p/r1q1pNpQ/2PpP2P/6B1/P4PP1/1R4K1 w - -\r
+solution Nxh6\r
+id "ECM.186"\r
+go\r
+setboard r1b4r/pp2ppk1/2np1np1/3N3p/2B1P3/q3BP2/P1PQ2PP/1R3RK1 w - -\r
+solution Nxe7\r
+id "ECM.187"\r
+go\r
+setboard 5rk1/Q2nqppp/5n2/2p5/8/1B2PP1P/Pr1B1P2/R3K2R b KQ -\r
+solution Ne4\r
+id "ECM.189"\r
+go\r
+setboard 5rk1/5pbp/b5p1/p1nNN3/1p2n3/1P4PP/P4PB1/2BR2K1 w - -\r
+solution Nd7\r
+id "ECM.190"\r
+go\r
+setboard 2k1r1r1/ppb2p2/6b1/2qP4/2P2P2/4pP1p/P3Q2P/2RBRN1K b - -\r
+solution Bd3\r
+id "ECM.191"\r
+go\r
+setboard 5r1k/pp1n1p1p/1b1qpP2/8/1PrN4/P1N1Q1P1/7P/3R1R1K w - -\r
+solution Qh6\r
+id "ECM.192"\r
+go\r
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -\r
+solution Nb6\r
+id "ECM.193"\r
+go\r
+setboard r1k3r1/pppnb1p1/4N3/3QP2p/3P3q/4B3/PPP2P2/R3KB2 w Q -\r
+solution Ba6\r
+id "ECM.198"\r
+go\r
+setboard r1bq1rk1/pppn2bp/3p2p1/3N1p2/8/BP1BRQ1P/P1PP1PP1/4R1K1 w - -\r
+solution Nxc7\r
+id "ECM.206"\r
+go\r
+setboard 2q1r1k1/1b3pbp/3p2p1/1Ppn3n/5P2/5B2/1P1B2PP/R2NNQ1K b - -\r
+solution Ndxf4\r
+id "ECM.208"\r
+go\r
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -\r
+solution Rb3\r
+id "ECM.209"\r
+go\r
+setboard r2qr1n1/p4pk1/1p1p2p1/4p3/4PQ2/1PN2P2/1PP3P1/2KR3R w - -\r
+solution Rh7+\r
+id "ECM.210"\r
+go\r
+setboard r4rk1/ppp3b1/3p1qp1/3Pp3/2P1Bn2/4BP2/PP1Q4/2K3RR w - -\r
+solution Rxg6\r
+id "ECM.211"\r
+go\r
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -\r
+solution Re7\r
+id "ECM.213"\r
+go\r
+setboard r4n1r/ppq1nk2/1bpRpN2/4PpQ1/8/2B4P/PPP2PP1/2KR4 w - -\r
+solution Rd7\r
+id "ECM.215"\r
+go\r
+setboard 3r2k1/p5pp/bpP1p3/3n1p2/2NQpP1q/P3P3/1B1R1R2/4KBr1 b - -\r
+solution Rxf1+\r
+id "ECM.216"\r
+go\r
+setboard rnb1kr2/p4pQ1/8/1ppPpP2/2p1P3/N6P/Pq4B1/3R1RK1 w q -\r
+solution Nxb5\r
+id "ECM.226"\r
+go\r
+setboard 5r1k/2p3pp/3pQ3/3P1rN1/pp5q/5PR1/P4PKP/B7 w - -\r
+solution Bxg7+\r
+id "ECM.227"\r
+go\r
+setboard 8/pR3Bk1/3p2p1/5b1p/2P4P/6P1/P4bQK/4q3 b - -\r
+solution Bg1+\r
+id "ECM.228"\r
+go\r
+setboard rq3r1k/p2n1p2/1pbb1np1/2p2BB1/8/2N2N2/PP3QPP/3R1RK1 w - -\r
+solution Rxd6\r
+id "ECM.231"\r
+go\r
+setboard 3rr1k1/1b5p/p6p/1p3N2/6Pb/P1Q1p3/1PP4P/R5K1 b - -\r
+solution Bf2+\r
+id "ECM.237"\r
+go\r
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -\r
+solution Qc1\r
+id "ECM.238"\r
+go\r
+setboard 6k1/1pp2p2/p2p2q1/2PPb3/4r3/Pr4PK/2R5/2Q2NR1 b - -\r
+solution Rh4+\r
+id "ECM.241"\r
+go\r
+setboard 4rrk1/3b1ppp/pb6/1pqP4/P1p1PP2/1P2NK2/3QB2P/R2R4 b - -\r
+solution Rxe4\r
+id "ECM.244"\r
+go\r
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -\r
+solution Bh7+\r
+id "ECM.247"\r
+go\r
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -\r
+solution Bxf7+\r
+id "ECM.250"\r
+go\r
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -\r
+solution Bb7\r
+id "ECM.251"\r
+go\r
+setboard 2b3k1/p4ppp/7q/2Q5/8/P3r1P1/1r4BP/R3R1K1 b - -\r
+solution Rxg2+\r
+id "ECM.259"\r
+go\r
+setboard r1b1rbk1/7p/2p1pBp1/p2pP1P1/5P2/1PqB4/P1P1Q3/1K4RR w - -\r
+solution Rxh7\r
+id "ECM.260"\r
+go\r
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -\r
+solution Rxh8+\r
+id "ECM.262"\r
+go\r
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.266"\r
+go\r
+setboard r1b1r1k1/1p1n1p2/p1nBp1p1/q2pP1Np/P7/R2B3Q/2P2PPP/5RK1 w - -\r
+solution Nxf7\r
+id "ECM.267"\r
+go\r
+setboard 4n1q1/1k1b4/2p4R/2Pp4/1p1N1rpQ/3B4/PPP2P2/2K5 w - -\r
+solution Nxc6\r
+id "ECM.271"\r
+go\r
+setboard r3r1k1/pp3pp1/2bb1q2/3p4/4n1Pp/2P1BB1P/PP2NPK1/R1Q4R b - -\r
+solution Qxf3+\r
+id "ECM.274"\r
+go\r
+setboard rn4k1/pp2p1b1/4b3/q2p2Q1/2B2P2/8/P1P1K1P1/R6R w - -\r
+solution Rh8+\r
+id "ECM.277"\r
+go\r
+setboard 2r2rk1/pp3qpp/8/3P1b2/3Q4/P1N1B3/5PKP/R2R4 b - -\r
+solution Rxc3\r
+id "ECM.279"\r
+go\r
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -\r
+solution Nxg7\r
+id "ECM.280"\r
+go\r
+setboard 4k3/p4ppp/nb1P4/4p3/1P6/P4BP1/3q1r1P/2R2QKR w - -\r
+solution Qb5+\r
+id "ECM.287"\r
+go\r
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -\r
+solution Nxg7\r
+id "ECM.289"\r
+go\r
+setboard 1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - -\r
+solution Rxb2\r
+id "ECM.291"\r
+go\r
+setboard 5rk1/ppp1q2p/1n1p1np1/3P2N1/1P1R2P1/2Q4P/P3r1B1/5RK1 b - -\r
+solution Rxg2+\r
+id "ECM.292"\r
+go\r
+setboard 6k1/pp2p2p/3p2p1/4b1r1/2Pn1r1q/2B1N3/PP4B1/R3QRK1 b - -\r
+solution Qh2+\r
+id "ECM.293"\r
+go\r
+setboard r2k3r/2pb1ppp/p1p1q3/2Q5/5B2/2N5/PPP2PPP/3R2K1 w - -\r
+solution Bxc7+\r
+id "ECM.295"\r
+go\r
+setboard 2r1qrk1/pp1b1ppp/4pn2/n1b5/8/2NQ1NP1/PP1BPPBP/R2R2K1 w - -\r
+solution b4\r
+id "ECM.297"\r
+go\r
+setboard 2b1qr1k/7p/p1pR2p1/1pP1p1Q1/4P3/1B6/PP4PP/6K1 w - -\r
+solution Re6\r
+id "ECM.298"\r
+go\r
+setboard 8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - -\r
+solution Kxd5\r
+id "ECM.300"\r
+go\r
+setboard 3r1rk1/2p1qp1p/pnP3p1/4n3/PP1NpR2/1BQ4P/6P1/5RK1 w - -\r
+solution Ne6\r
+id "ECM.307"\r
+go\r
+setboard r5rk/1p1bqpnp/3p1b1B/pBnPp2P/4P3/2N2Q2/PP3P2/R3KNR1 b Q -\r
+solution Nf5\r
+id "ECM.310"\r
+go\r
+setboard r3r1k1/p1q2pp1/2p4p/7n/BPPP2N1/3Q1N2/P3n1P1/R1B4K b - -\r
+solution Nhg3+\r
+id "ECM.312"\r
+go\r
+setboard r1b2rk1/p3bppp/2q5/8/2p1NR2/PnB1P3/1PB1Q1PP/3R2K1 w - -\r
+solution Rd6\r
+id "ECM.315"\r
+go\r
+setboard 1rb2rk1/p1p2ppp/2q5/3R4/2P1N3/bP4B1/P1Q2P1P/1K5R w - -\r
+solution Bd6\r
+id "ECM.318"\r
+go\r
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -\r
+solution Rd5\r
+id "ECM.321"\r
+go\r
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -\r
+solution Rxd7\r
+id "ECM.327"\r
+go\r
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -\r
+solution Qh6\r
+id "ECM.329"\r
+go\r
+setboard 2r2r1k/1pq1b1p1/p1b1Qn1p/8/3B4/2NB4/PPP3PP/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.330"\r
+go\r
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -\r
+solution Rxc8+\r
+id "ECM.332"\r
+go\r
+setboard 8/5p2/4p1k1/4P1p1/2rBRbK1/5P2/r4P2/7R b - -\r
+solution Rxd4\r
+id "ECM.335"\r
+go\r
+setboard r1bqr1k1/pp3pp1/2p4p/3PN1n1/3P1b2/2NB4/PPQ2PPP/3R1RK1 b - -\r
+solution Rxe5\r
+id "ECM.336"\r
+go\r
+setboard r3r1k1/pbqn1ppp/1p3n2/1Pb5/2p5/5N1P/PBQ1BPP1/1N1R1RK1 b - -\r
+solution Rxe2\r
+id "ECM.337"\r
+go\r
+setboard 2r2rbk/6bp/5qp1/1N1p1n2/4p3/1p5P/1P3PP1/RBBQ1RK1 b - -\r
+solution Ng3\r
+id "ECM.338"\r
+go\r
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -\r
+solution Rxc5\r
+id "ECM.339"\r
+go\r
+setboard 1k2r2r/1bpQN2p/1p6/P3p2q/4np2/2P2N2/2P2PPP/R3R1K1 b - -\r
+solution Rxe7\r
+id "ECM.340"\r
+go\r
+setboard r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - -\r
+solution Qf6+\r
+id "ECM.342"\r
+go\r
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -\r
+solution Nxe6\r
+id "ECM.343"\r
+go\r
+setboard 2r1k2r/1pq1bppp/p3bn2/4N3/2pPN3/2P5/P3QPPP/R1B1R1K1 w k -\r
+solution Nxf6+\r
+id "ECM.345"\r
+go\r
+setboard 1r3k1r/4Rn1p/pb1p1P2/1p1q2P1/5p2/7Q/PPP1B1RP/2K5 w - -\r
+solution Rxf7+\r
+id "ECM.346"\r
+go\r
+setboard r3r1k1/pp3ppp/1qp5/2bbNQ2/5B2/2P5/PP3PPP/3RR1K1 w - -\r
+solution Rxd5\r
+id "ECM.349"\r
+go\r
+setboard r2qn1k1/1p1b3p/2pp1b2/6pQ/p1P1P3/P1N3PB/1P6/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.351"\r
+go\r
+setboard r4k1r/pp2pp2/3p1b2/q2PnQpp/3N4/1BP3P1/PP3PP1/3RR1K1 w - -\r
+solution Rxe5\r
+id "ECM.353"\r
+go\r
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -\r
+solution Rxd7\r
+id "ECM.355"\r
+go\r
+setboard 2r2rk1/p3p1bp/3qP1p1/1Q1p4/P4P2/3R4/1P4PP/2B2RK1 b - -\r
+solution Rxc1\r
+id "ECM.356"\r
+go\r
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -\r
+solution Rxd4\r
+id "ECM.357"\r
+go\r
+setboard 1r6/3b1pk1/pr1p1q1p/2pPb1p1/2B1P1P1/2N2PP1/1PQ3K1/RR6 b - -\r
+solution Rxb2\r
+id "ECM.358"\r
+go\r
+setboard 2r3k1/p1r1ppb1/2bp1np1/q5N1/1p1BP2Q/3P4/PP2N1PP/2R2R1K w - -\r
+solution Bxf6\r
+id "ECM.360"\r
+go\r
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -\r
+solution Rxd8\r
+id "ECM.366"\r
+go\r
+setboard r4rk1/5p2/p1b1pQpq/8/1B2P3/2NR4/PPP3PP/1K6 w - -\r
+solution Rd5\r
+id "ECM.367"\r
+go\r
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -\r
+solution Rxg6+\r
+id "ECM.368"\r
+go\r
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -\r
+solution Bd8\r
+id "ECM.370"\r
+go\r
+setboard 1k2rb1r/pbp1q1pp/2pp4/2PnpP2/Q7/1P3NP1/PB5P/2KR1B1R w - -\r
+solution Rxd5\r
+id "ECM.371"\r
+go\r
+setboard 7k/p1p1r2p/1p1pnr1q/5pp1/2PPPp2/2PB1P1P/P2Q1PRK/7R b - -\r
+solution g4\r
+id "ECM.372"\r
+go\r
+setboard 5qk1/p4p2/1p3Pp1/2p4Q/3rr3/7R/PP6/6RK b - -\r
+solution Rh4\r
+id "ECM.373"\r
+go\r
+setboard 2b4B/1pp2k2/1p6/3P3n/5p1P/1P4p1/P2r2P1/R5KR b - -\r
+solution f3\r
+id "ECM.375"\r
+go\r
+setboard r3k2N/pppbq1pp/5n2/3Ppn2/2BP4/2P3bP/PP2Q1P1/RNB2K1R b q -\r
+solution Bh2\r
+id "ECM.376"\r
+go\r
+setboard r2q1r2/p1pbppbk/1p3npp/n2P2B1/7Q/2NB1N2/PPP3PP/4RRK1 w - -\r
+solution d6\r
+id "ECM.377"\r
+go\r
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -\r
+solution Bxe5+\r
+id "ECM.379"\r
+go\r
+setboard r4r1k/1bq4p/p4bp1/3pn3/NP6/Q1PBB2P/6P1/3R1RK1 b - -\r
+solution d4\r
+id "ECM.387"\r
+go\r
+setboard 2k1r3/Qp3pb1/2p4p/6q1/8/1P4PN/PBPn1P2/K2R4 b - -\r
+solution Qe5\r
+id "ECM.390"\r
+go\r
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -\r
+solution Rxa6\r
+id "ECM.394"\r
+go\r
+setboard r5kr/p3PR1p/1p1p2pq/4n3/8/3B4/P4QPP/4R1K1 w - -\r
+solution Rxe5\r
+id "ECM.395"\r
+go\r
+setboard 2bq1b2/1p3k2/1r1p1p1p/pNpP1PpP/P1P3P1/6B1/1P5Q/2K1R3 w - -\r
+solution Re6\r
+id "ECM.396"\r
+go\r
+setboard 2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - -\r
+solution Rhg8\r
+id "ECM.397"\r
+go\r
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -\r
+solution Rxd3\r
+id "ECM.398"\r
+go\r
+setboard 2r2nk1/6pp/p1rPqp2/1pP1p3/1P6/2B3R1/1P2Q1PP/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.399"\r
+go\r
+setboard r2rnbk1/pp3ppp/1q4n1/3p1N2/5P2/1PQB4/PBP3PP/4RR1K w - -\r
+solution Nh6+\r
+id "ECM.401"\r
+go\r
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -\r
+solution e5\r
+id "ECM.402"\r
+go\r
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -\r
+solution Rxc4\r
+id "ECM.408"\r
+go\r
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -\r
+solution e6\r
+id "ECM.410"\r
+go\r
+setboard r4rk1/1b4bp/p1npq1P1/R3p3/8/1N2BP2/1PPQ2P1/4KB1R w K -\r
+solution Qxd6\r
+id "ECM.411"\r
+go\r
+setboard 6k1/pbq2pp1/4r2p/8/3prb2/1P1Q3P/PN2BPP1/3RRK2 b - -\r
+solution Bd2\r
+id "ECM.412"\r
+go\r
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -\r
+solution Ng5\r
+id "ECM.416"\r
+go\r
+setboard r3kbnr/1ppb3p/p1q1pp2/3p4/3P4/2N2N2/PPP2PPP/R1BQ1RK1 w kq -\r
+solution Ne5\r
+id "ECM.418"\r
+go\r
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.419"\r
+go\r
+setboard 3rr1k1/1p1qb2p/pP4p1/2p2p2/4RQ2/3P4/1PPB2PP/4R1K1 w - -\r
+solution Bc3\r
+id "ECM.420"\r
+go\r
+setboard 6k1/rnqb3p/5ppQ/2pPp3/p1N1P3/2PB3P/5PP1/1R4K1 w - -\r
+solution f4\r
+id "ECM.422"\r
+go\r
+setboard 7r/pp4k1/3pn1p1/q1pB1b2/2P5/5NR1/1P3PP1/2Q3K1 w - -\r
+solution b4\r
+id "ECM.423"\r
+go\r
+setboard 6k1/p4p1p/3pqp2/2p1r3/2Pnr1N1/P6P/1P1Q1PP1/3R1RK1 b - -\r
+solution Ne2+\r
+id "ECM.427"\r
+go\r
+setboard r2b4/pb2q1k1/np1p2r1/1N1Pp2Q/PPN1Pp2/8/2R2BPp/2R4K w - -\r
+solution Ncxd6\r
+id "ECM.434"\r
+go\r
+setboard r7/2qnb1kp/p2p1nP1/1p1Pp1p1/6N1/3BB2Q/PPP4P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.435"\r
+go\r
+setboard n1rqk3/1p2p3/1n1pP1p1/pP1P1p1r/3B3P/1BN3p1/3Q4/R3K2R w KQ -\r
+solution Qg5\r
+id "ECM.436"\r
+go\r
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -\r
+solution Bh4\r
+id "ECM.438"\r
+go\r
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -\r
+solution Bf8\r
+id "ECM.439"\r
+go\r
+setboard 4rr1k/pbp3bp/3p4/1p5q/3n4/1B1Q2B1/PP1N1N1P/4RRK1 b - -\r
+solution Rf3\r
+id "ECM.440"\r
+go\r
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -\r
+solution Ng6+\r
+id "ECM.442"\r
+go\r
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -\r
+solution Qb2\r
+id "ECM.443"\r
+go\r
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -\r
+solution Qxg5+\r
+id "ECM.445"\r
+go\r
+setboard 2k5/1p1b4/2n1p1r1/7q/4RP2/3BQN2/2P2K1P/8 w - -\r
+solution f5\r
+id "ECM.447"\r
+go\r
+setboard 2k3r1/1ppr3p/p1pB2q1/6n1/N3Pp2/8/PPP1Q1PP/3R1RK1 b - -\r
+solution f3\r
+id "ECM.448"\r
+go\r
+setboard 6r1/6rk/3p3p/p2Rp3/R1PqPp1b/2N2Q2/6PP/7K b - -\r
+solution Rxg2\r
+id "ECM.450"\r
+go\r
+setboard 2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - -\r
+solution h4\r
+id "ECM.456"\r
+go\r
+setboard 6nk/p4rrp/1p1p1p2/1q1Pp2R/4B1P1/1PP2Q1R/P6P/7K w - -\r
+solution g5\r
+id "ECM.458"\r
+go\r
+setboard r1b1k2r/6pp/p1p1p3/3np1B1/1b2N3/8/q1PQB1PP/3RK2R w Kkq -\r
+solution Qxb4\r
+id "ECM.459"\r
+go\r
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -\r
+solution Bxh5\r
+id "ECM.460"\r
+go\r
+setboard 4r1kb/p2r4/1np1p1p1/3nP1Bp/1p3P1R/1B2qP2/PPPN3Q/2K4R w - -\r
+solution Rxh5\r
+id "ECM.463"\r
+go\r
+setboard 2rq2k1/pp1bpp1p/3p1np1/8/3NPPnQ/1BP5/P1P3P1/1K1R3R w - -\r
+solution e5\r
+id "ECM.464"\r
+go\r
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -\r
+solution Rxd5\r
+id "ECM.465"\r
+go\r
+setboard 2r1kr2/p1qbbp1Q/3pp3/5p2/1p1N1PB1/6P1/PPP4P/K2RR3 w - -\r
+solution Bxf5\r
+id "ECM.466"\r
+go\r
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -\r
+solution Rf6\r
+id "ECM.467"\r
+go\r
+setboard 2rr2k1/5pn1/1b2q1pp/pP1pP3/2pP1PP1/2R1B2P/2Q3B1/3R3K w - -\r
+solution f5\r
+id "ECM.468"\r
+go\r
+setboard 2Q2bkr/5p2/1rb5/1pN1n1qB/1P1pPN2/6P1/5P2/R1R3K1 w - -\r
+solution Nce6\r
+id "ECM.469"\r
+go\r
+setboard 2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - -\r
+solution Nc3+\r
+id "ECM.470"\r
+go\r
+setboard r7/pp4pk/2n3qp/5p2/3p4/P4QB1/1PP1RPPP/6K1 b - -\r
+solution d3\r
+id "ECM.473"\r
+go\r
+setboard 2r2r1k/1p3p1p/p2p1Pp1/3Pp3/1q2Bn1Q/8/1PP3PP/4RR1K w - -\r
+solution Rxf4\r
+id "ECM.474"\r
+go\r
+setboard r4rk1/5ppp/p7/4PR2/P1qnp2Q/4B3/1P4PP/5RK1 w - -\r
+solution Rh5\r
+id "ECM.475"\r
+go\r
+setboard 4r3/pb3pk1/6p1/8/6P1/1PNrB2K/P4P1P/2R5 b - -\r
+solution Rexe3+\r
+id "ECM.476"\r
+go\r
+setboard 1r2k2r/1bq2pp1/pn2p2p/1p2P1b1/3N4/2N3Q1/PPP3PP/1K1R1BR1 w k -\r
+solution Bxb5+\r
+id "ECM.482"\r
+go\r
+setboard 2r2r2/p4p1k/1p2pBpn/2p5/6N1/8/P4P2/R3R1K1 w - -\r
+solution Kg2\r
+id "ECM.484"\r
+go\r
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -\r
+solution Bg5\r
+id "ECM.485"\r
+go\r
+setboard 2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - -\r
+solution Bh3\r
+id "ECM.488"\r
+go\r
+setboard 2b3k1/5qp1/p2r1n1p/3p4/3B4/1RP3QP/P2Nr1P1/3R2K1 b - -\r
+solution Ne4\r
+id "ECM.489"\r
+go\r
+setboard 1r2r1k1/p4ppb/q1pbnn1p/4p3/N1P1P3/pPB2NP1/2Q1RPBP/R5K1 b - -\r
+solution Nxe4\r
+id "ECM.491"\r
+go\r
+setboard r4r2/1pnqb2k/3p1p1p/p1pPpPpP/2P1N1P1/4BP2/PP1Q4/R2R2K1 w - -\r
+solution Bxc5\r
+id "ECM.492"\r
+go\r
+setboard 6kr/1p1r1p1p/p2pnPpQ/3Np2R/2q1P3/5P2/PPP5/2KR4 w - -\r
+solution Rxe5\r
+id "ECM.494"\r
+go\r
+setboard rq1r2k1/3nbp1p/p2p2p1/1p1Pp1P1/3B1P2/3B3Q/PPP4P/2KR2R1 w - -\r
+solution f5\r
+id "ECM.497"\r
+go\r
+setboard r4rk1/1bq1bppp/8/p2pPR2/3B4/1NnP3Q/1P4PP/4R1K1 w - -\r
+solution Rh5\r
+id "ECM.498"\r
+go\r
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -\r
+solution Nxh5\r
+id "ECM.499"\r
+go\r
+setboard r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - -\r
+solution f3\r
+id "ECM.500"\r
+go\r
+setboard 4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - -\r
+solution Nxf3\r
+id "ECM.501"\r
+go\r
+setboard r3rk2/pb2bpp1/1n5p/q1pP1B2/1p3B2/5N2/PPQ2PPP/R2R2K1 w - -\r
+solution Bc8\r
+id "ECM.503"\r
+go\r
+setboard r1bqr2k/ppp2p1p/5b2/3Pn1p1/1PP1Bp2/8/PB2N1PP/R2Q1RK1 w - -\r
+solution Nxf4\r
+id "ECM.504"\r
+go\r
+setboard 1q4k1/p3rppp/3b1n2/8/5P2/4P3/PP1B3P/RNQ3K1 b - -\r
+solution Bxf4\r
+id "ECM.505"\r
+go\r
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -\r
+solution Rxe6\r
+id "ECM.510"\r
+go\r
+setboard 2bk3r/3r2pp/p2nQ3/q2R2P1/1p6/8/PPP2P1P/1K3B1R b - -\r
+solution Qxd5\r
+id "ECM.525"\r
+go\r
+setboard 1kb3rr/1p2n2q/1Np2p2/1p6/1P1N1P1p/8/2P1RQPP/R6K w - -\r
+solution Nxb5\r
+id "ECM.529"\r
+go\r
+setboard 6k1/5qp1/pN5p/3pRp2/3QnP2/2r4P/r5P1/6RK b - -\r
+solution Qh5\r
+id "ECM.539"\r
+go\r
+setboard r1b2rk1/ppp2ppp/2n3q1/b2N2N1/2BP4/4p2P/PPP3P1/R2Q1RK1 w - -\r
+solution Nxf7\r
+id "ECM.553"\r
+go\r
+setboard r6r/pR1nqkpp/2p1p3/3p4/6Q1/2b4P/P1PP1PP1/2B1R1K1 w - -\r
+solution Rxe6\r
+id "ECM.555"\r
+go\r
+setboard 5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - -\r
+solution Bxh4\r
+id "ECM.557"\r
+go\r
+setboard r1b2rk1/4bnpp/2p5/pp2q3/4N3/PQ2B1P1/1PP3BP/4RRK1 w - -\r
+solution Ng5\r
+id "ECM.559"\r
+go\r
+setboard 2rr2k1/1p3p2/p2n2p1/P2PnNq1/3QP1p1/1RN5/6PP/5RK1 b - -\r
+solution Nf3+\r
+id "ECM.560"\r
+go\r
+setboard r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q -\r
+solution Nxe4\r
+id "ECM.561"\r
+go\r
+setboard 2r2rk1/pp2bppp/3q1n2/3nNRB1/3P4/1B5Q/PP4PP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.562"\r
+go\r
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -\r
+solution Rxc5\r
+id "ECM.566"\r
+go\r
+setboard 2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - -\r
+solution Nxc1\r
+id "ECM.569"\r
+go\r
+setboard 5rk1/bp4p1/p2rp2p/8/8/2PN4/PP1R1PPP/3R2K1 b - -\r
+solution e5\r
+id "ECM.577"\r
+go\r
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -\r
+solution Bh3\r
+id "ECM.578"\r
+go\r
+setboard r3r1k1/p2n4/3p1pp1/qnp3B1/1p2P1P1/1P3P2/PP2N2Q/1K1R1B2 w - -\r
+solution Nf4\r
+id "ECM.580"\r
+go\r
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -\r
+solution Nxc6\r
+id "ECM.587"\r
+go\r
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -\r
+solution h3\r
+id "ECM.589"\r
+go\r
+setboard 4r1k1/r1q2p1p/p5pB/1pbBpN1n/1n2P3/5Q2/PP3PPP/R1R3K1 w - -\r
+solution Rxc5\r
+id "ECM.592"\r
+go\r
+setboard r1r3k1/ppnbb1pp/2ppp1q1/1P3p2/P1PPn3/2N2NP1/2Q1PPBP/1RB2RK1 w - -\r
+solution Nxe4\r
+id "ECM.593"\r
+go\r
+setboard 1rb1r1k1/p1p1qppp/2pb4/8/2P3n1/4P1P1/PB2BP1P/R1QN1RK1 b - -\r
+solution Nxh2\r
+id "ECM.595"\r
+go\r
+setboard rnb2rk1/pp4pp/2pb1n2/3N1p1q/2P5/3N2P1/P1Q1PPBP/R1B2RK1 w - -\r
+solution Bf4\r
+id "ECM.597"\r
+go\r
+setboard 8/8/1p1k4/5ppp/PPK1p3/6P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.598"\r
+go\r
+setboard 7k/8/1p1ppp1p/1Pp5/2P2P2/8/3P2PP/6K1 w - -\r
+solution f5\r
+id "ECM.600"\r
+go\r
+setboard 8/p5k1/2p2p2/4p1p1/1p2P3/1P4PP/1PP5/5K2 b - -\r
+solution g4\r
+id "ECM.601"\r
+go\r
+setboard 8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - -\r
+solution g5\r
+id "ECM.605"\r
+go\r
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -\r
+solution Bxg6\r
+id "ECM.607"\r
+go\r
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -\r
+solution Rxc6\r
+id "ECM.608"\r
+go\r
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -\r
+solution f6\r
+id "ECM.609"\r
+go\r
+setboard 2kr3r/ppp1qpp1/2p5/2b2b2/2P1pPP1/1P2P1p1/PBQPB3/RN2K1R1 b Q -\r
+solution Rh1\r
+id "ECM.610"\r
+go\r
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -\r
+solution e5\r
+id "ECM.613"\r
+go\r
+setboard 5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -\r
+solution Qxf7+\r
+id "ECM.614"\r
+go\r
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -\r
+solution b5\r
+id "ECM.615"\r
+go\r
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -\r
+solution Rxa6\r
+id "ECM.616"\r
+go\r
+setboard 3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - -\r
+solution Rxa6\r
+id "ECM.617"\r
+go\r
+setboard 6B1/2p2pp1/2p5/p3K3/1k6/nP4P1/5P1P/8 b - -\r
+solution Nc4+\r
+id "ECM.621"\r
+go\r
+setboard 6k1/p3b1pp/4p3/4Pp2/Pp1r1P1P/1P4P1/2p2R2/5RK1 b - -\r
+solution Rc4\r
+id "ECM.623"\r
+go\r
+setboard 4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - -\r
+solution Qe6\r
+id "ECM.624"\r
+go\r
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -\r
+solution Ba6\r
+id "ECM.626"\r
+go\r
+setboard 3rr1k1/pppRn1pp/4Pp2/1P5q/1QB5/4P3/P4P1P/4K1R1 w - -\r
+solution Qxe7\r
+id "ECM.627"\r
+go\r
+setboard 8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - -\r
+solution b2+\r
+id "ECM.629"\r
+go\r
+setboard 3qr1k1/p4ppp/1p1P4/2r1nN2/4P2n/P7/1B4P1/3QRRK1 w - -\r
+solution d7\r
+id "ECM.632"\r
+go\r
+setboard 4r3/p4pk1/6p1/P1pB2Pp/2P3b1/2p1N1P1/Qb1r1P2/6K1 b - -\r
+solution Rxe3\r
+id "ECM.634"\r
+go\r
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -\r
+solution Nxa7\r
+id "ECM.635"\r
+go\r
+setboard r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - -\r
+solution Rxf6\r
+id "ECM.636"\r
+go\r
+setboard r3qr1k/1b4pp/p2RQ3/Bp2p3/4p3/6P1/PPP2P1P/3R2K1 b - -\r
+solution Qh5\r
+id "ECM.637"\r
+go\r
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -\r
+solution Rxb2\r
+id "ECM.640"\r
+go\r
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -\r
+solution f5\r
+id "ECM.644"\r
+go\r
+setboard 8/2k5/2p5/2pb2K1/pp4P1/1P1R4/P7/8 b - -\r
+solution Bxb3\r
+id "ECM.646"\r
+go\r
+setboard 4r2k/p2qr1pp/1pp2p2/2p1nP1N/4R3/1P1P2RP/1PP2QP1/7K w - -\r
+solution Rxg7\r
+id "ECM.648"\r
+go\r
+setboard 8/1R2P3/6k1/3B4/2P2P2/1p2r3/1Kb4p/8 w - -\r
+solution Be6\r
+id "ECM.650"\r
+go\r
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -\r
+solution Bb5\r
+id "ECM.653"\r
+go\r
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.654"\r
+go\r
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -\r
+solution Rxh7\r
+id "ECM.663"\r
+go\r
+setboard r1b2rk1/2q1bppp/p1n1p3/1p1np1P1/5P2/1NNBBQ2/PPP4P/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.665"\r
+go\r
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -\r
+solution Nxh7\r
+id "ECM.666"\r
+go\r
+setboard 2rqr1k1/1p1bbppp/p3p3/n7/3P2Q1/2PB1N2/P4PPP/R1B1R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.673"\r
+go\r
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -\r
+solution Nxh7\r
+id "ECM.674"\r
+go\r
+setboard rn1q1rk1/pb1p1ppp/4p3/2pnP3/1bp5/2N2N2/PP3PPP/RBBQK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.675"\r
+go\r
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -\r
+solution Rxh7\r
+id "ECM.676"\r
+go\r
+setboard r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.677"\r
+go\r
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -\r
+solution Nxh7\r
+id "ECM.679"\r
+go\r
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.680"\r
+go\r
+setboard 1r2nrkb/2n2p1p/p2p1Pp1/P1pPp1P1/1pP1P1q1/1P1BB1N1/3Q4/2KR3R w - -\r
+solution Rxh7\r
+id "ECM.681"\r
+go\r
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -\r
+solution Bxh7+\r
+id "ECM.682"\r
+go\r
+setboard r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 b - -\r
+solution Rxh2\r
+id "ECM.683"\r
+go\r
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -\r
+solution Nxh7\r
+id "ECM.684"\r
+go\r
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -\r
+solution Rxh7\r
+id "ECM.685"\r
+go\r
+setboard r2qn1k1/pb4Pp/1pn5/2p5/2P2p2/P1PB4/5PPP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.686"\r
+go\r
+setboard r4rk1/pp1n1ppp/3qp3/3nN1P1/b2P4/P2B1Q2/3B1P1P/1R2R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.687"\r
+go\r
+setboard r2r2k1/ppqbbppp/4pn2/6N1/n1P4P/3B1N2/PP2QPP1/1KBR3R w - -\r
+solution Nxh7\r
+id "ECM.688"\r
+go\r
+setboard r6r/4ppk1/p2p1bp1/B2p4/3P2p1/QP2P3/P1R1qPPP/2R3K1 b - -\r
+solution Rxh2\r
+id "ECM.690"\r
+go\r
+setboard 4nrk1/r4p1p/p2p2pQ/2pPpNPP/qpn1P3/5P1R/PPP1N3/2K3R1 w - -\r
+solution Qxh7+\r
+id "ECM.691"\r
+go\r
+setboard r3k2r/1b1n1p2/pq1p1bp1/1p4p1/P3P3/1NN5/1PP3PP/R2QRB1K b kq -\r
+solution Rxh2+\r
+id "ECM.692"\r
+go\r
+setboard r2qrnk1/4bppp/b1p5/1p1p2P1/p2P1N1P/2NBP3/PPQ2P2/2K3RR w - -\r
+solution Bxh7+\r
+id "ECM.693"\r
+go\r
+setboard 3r1rk1/4qp1p/p1bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -\r
+solution Bxh2+\r
+id "ECM.696"\r
+go\r
+setboard r2q1rk1/3n1ppp/8/1pbP2P1/p1N4P/PnBBPQ2/5P2/R3K2R w KQ -\r
+solution Bxh7+\r
+id "ECM.697"\r
+go\r
+setboard 2k3r1/ppq2p1p/n1Pb1p2/8/6r1/4BN1b/PPQ2PPP/R3RBK1 b - -\r
+solution Bxh2+\r
+id "ECM.698"\r
+go\r
+setboard 3qr1k1/1br2ppp/p2b4/8/PpNp4/3P4/1PP2PPP/R1BQ1RK1 b - -\r
+solution Bxh2+\r
+id "ECM.699"\r
+go\r
+setboard r1b4r/3p1kp1/pp3q1p/4RP2/8/B7/P5PP/4QRK1 w - -\r
+solution Qe4\r
+id "ECM.701"\r
+go\r
+setboard 1r2rnk1/2R2bpp/p2q4/1p1N2R1/5P2/1Q1B3P/PP4P1/7K w - -\r
+solution Rxg7+\r
+id "ECM.702"\r
+go\r
+setboard 2r2r1k/3b1pb1/p3pp1p/q2p1P1B/8/2N2RR1/P1PQ2PP/7K w - -\r
+solution Rxg7\r
+id "ECM.706"\r
+go\r
+setboard r2qr1k1/1p3ppp/2pb4/2Np4/1P1P2bn/3BP3/2QN1PPP/1RR3K1 b - -\r
+solution Nxg2\r
+id "ECM.712"\r
+go\r
+setboard r3r1k1/pp3pp1/3p4/2q4p/2P5/1PB2Q1P/n4PP1/3R1RK1 w - -\r
+solution Bxg7\r
+id "ECM.713"\r
+go\r
+setboard r5k1/pn1q1rpp/2pp4/5R1N/bP6/4BQ2/P4PPP/2R3K1 w - -\r
+solution Nxg7\r
+id "ECM.714"\r
+go\r
+setboard 3r1rk1/5pp1/pq1n1n1p/2pPR3/2B2P2/1PBQ2RP/P5P1/6K1 w - -\r
+solution Rxg7+\r
+id "ECM.715"\r
+go\r
+setboard rn3rk1/ppq2ppp/2pb1nb1/5N2/2BP4/8/PPP1N1P1/R1B1QR1K w - -\r
+solution Nxg7\r
+id "ECM.716"\r
+go\r
+setboard r1qb1r1k/2p3pp/p1n1bp2/1p1Np2Q/P3P3/1BP3R1/1P3PPP/R1B3K1 w - -\r
+solution Rxg7\r
+id "ECM.717"\r
+go\r
+setboard r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - -\r
+solution Rxg7+\r
+id "ECM.718"\r
+go\r
+setboard 4q1k1/1b3r1p/p4pp1/1p6/2P2n2/1P3N2/1B3PPP/R2Q3K b - -\r
+solution Nxg2\r
+id "ECM.719"\r
+go\r
+setboard 4rrk1/2pn2pb/p1p1qp2/1pb1pN2/P3P1PN/1P1P4/1BP2PK1/R2Q3R w - -\r
+solution Nxg7\r
+id "ECM.721"\r
+go\r
+setboard r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - -\r
+solution Rg3\r
+id "ECM.722"\r
+go\r
+setboard 4kbr1/pp1bpp1p/3p1p2/3N4/1PBQP3/q7/P1r2PPP/R4RK1 b - -\r
+solution Rxg2+\r
+id "ECM.725"\r
+go\r
+setboard rq1r1bk1/1b3pp1/3pn2p/1n2BN1P/1P2P3/3R1NP1/3Q1PB1/2R3K1 w - -\r
+solution Bxg7\r
+id "ECM.728"\r
+go\r
+setboard 3q1r2/1p1b1pk1/pn5p/3pN1pQ/3P3P/2r3B1/P4PP1/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.730"\r
+go\r
+setboard 2r3k1/pbq1np1p/1p1b1Bp1/8/6QP/2P2N2/B4PP1/4R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.733"\r
+go\r
+setboard r3r1k1/1bqn1ppp/1pp2p2/8/3P4/1B4N1/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.734"\r
+go\r
+setboard r3r1k1/pp3ppp/8/1Nbp3q/3NnBn1/2P5/PPQ2PPP/3R1RK1 b - -\r
+solution Ngxf2\r
+id "ECM.735"\r
+go\r
+setboard r2r2k1/1b2qpp1/1p2n3/p1b1p2p/4P1n1/PP1B2PP/1B1NQP2/R3NRK1 b - -\r
+solution Nxf2\r
+id "ECM.736"\r
+go\r
+setboard r5k1/1pp3pp/1b1p1r2/pN1P1n2/P1P3nq/6N1/1P1B1PQP/4RRK1 b - -\r
+solution Nxf2\r
+id "ECM.738"\r
+go\r
+setboard r2qr1k1/pb2bp1p/1pn1p1pB/8/2BP4/P1P2N2/4QPPP/3R1RK1 w - -\r
+solution d5\r
+id "ECM.742"\r
+go\r
+setboard r2qr1k1/1b1nbp1p/p3pp2/1p2N3/3P4/3B1N2/PP2QPPP/R2R2K1 w - -\r
+solution Nxf7\r
+id "ECM.745"\r
+go\r
+setboard r3kr2/1b2qp2/pp2p2N/4p2Q/8/2n5/P3B1PP/3R1R1K w q -\r
+solution Nxf7\r
+id "ECM.752"\r
+go\r
+setboard rqb1k2r/1p1nbp1p/p4pp1/8/1PBN1P2/P1N1P3/7P/2RQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.754"\r
+go\r
+setboard r2r2k1/4ppbp/5np1/p1q5/QnB1P3/5N2/1P3PPP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.755"\r
+go\r
+setboard 1r4k1/p4pp1/bqnrpn1p/2ppN3/2P2P1B/P3P3/1P2B1PP/1Q1R1RK1 w - -\r
+solution Bxf6\r
+id "ECM.758"\r
+go\r
+setboard 2rqr1k1/pp2nppp/3p2b1/6B1/2BNn1Q1/P7/1PP2PPP/2KRR3 w - -\r
+solution Bxf7+\r
+id "ECM.761"\r
+go\r
+setboard r3r1k1/pbq1ppbp/1pp2np1/4N3/3P4/2P5/PPB1QPPP/R1B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.762"\r
+go\r
+setboard r1b2rk1/p6p/2p3Pb/3pp1q1/8/2PB4/PP3PP1/RN1Q1K1R b - -\r
+solution Rxf2+\r
+id "ECM.763"\r
+go\r
+setboard r2rn3/1p3pk1/p1pNn1pp/q3P3/P7/1PN4P/2QR1PP1/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.764"\r
+go\r
+setboard r1bqr1k1/1p1nnpb1/p5pp/2P1p1B1/B3N3/5N2/P4PPP/2RQR1K1 w - -\r
+solution Nd6\r
+id "ECM.765"\r
+go\r
+setboard r1b1r1k1/pp2qpbp/2p3p1/2P5/3NnB2/7P/PPQ1PPB1/2RR2K1 b - -\r
+solution Nxf2\r
+id "ECM.766"\r
+go\r
+setboard rn2r1k1/pp3p1p/3P2p1/2p1bbB1/2B5/2N5/Pq4PP/R2Q1RK1 w - -\r
+solution Bxf7+\r
+id "ECM.767"\r
+go\r
+setboard 1bq2k2/1b1n1pp1/pp5p/2pBpN2/P3P2B/3Q1P2/1PP3PP/4K3 w - -\r
+solution Bxf7\r
+id "ECM.769"\r
+go\r
+setboard rnb2rk1/pp3pbp/2p3pB/2q5/4P3/1BN5/PPP3PP/R2Q1R1K w - -\r
+solution Rxf7\r
+id "ECM.770"\r
+go\r
+setboard 3qr1k1/1br1bp1p/p3p1pB/1p1nN3/3PB3/7Q/PP3PPP/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.771"\r
+go\r
+setboard rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - -\r
+solution Bxh6\r
+id "ECM.773"\r
+go\r
+setboard r2r2k1/pb1nbpp1/1qp1pn1p/1p2N3/3P1B2/P1N1P3/BPQ2PPP/2R2RK1 w - -\r
+solution Bxh6\r
+id "ECM.774"\r
+go\r
+setboard r1b1r3/pp2Npbk/3pp2p/q5p1/2QNPP2/6P1/PPP3P1/2KR3R w - -\r
+solution Ndf5\r
+id "ECM.776"\r
+go\r
+setboard 1rbqnr2/5p1k/p1np3p/1p1Np3/4P2P/1Q2B3/PPP1BP2/2KR3R w - -\r
+solution Bxh6\r
+id "ECM.779"\r
+go\r
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.780"\r
+go\r
+setboard 3r1r1k/p5p1/n1p2p1p/1qp2b2/N1R4R/1PB1P1P1/P2P3P/3Q2K1 w - -\r
+solution Rxh6+\r
+id "ECM.781"\r
+go\r
+setboard 6rk/3b1n1p/1p1q3b/1PpNp3/2P1Pp2/2Q2NrP/5RP1/2R2B1K b - -\r
+solution Bxh3\r
+id "ECM.783"\r
+go\r
+setboard 2r1r1k1/pb1n1pp1/1p1qpn1p/4N1B1/2PP4/3B4/P2Q1PPP/3RR1K1 w - -\r
+solution Bxh6\r
+id "ECM.789"\r
+go\r
+setboard 2br2k1/4qppp/p5r1/2pBp3/2P1Pn2/4Q2P/RP3PPK/1N4R1 b - -\r
+solution Bxh3\r
+id "ECM.791"\r
+go\r
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -\r
+solution Bxh6\r
+id "ECM.792"\r
+go\r
+setboard 6k1/p4ppp/1pn1b1rr/8/PBpPp2q/2P1P1NP/5PP1/RR3QK1 b - -\r
+solution Bxh3\r
+id "ECM.795"\r
+go\r
+setboard r1b2rk1/1p3pp1/p5Pp/2bpPp1Q/3N4/1Pq1B1R1/2P4P/3R2K1 w - -\r
+solution Bxh6\r
+id "ECM.796"\r
+go\r
+setboard 2b1rk2/r6p/1pP1p1p1/p2pNnR1/5Q2/P1B4q/1PP2P1P/1K4R1 w - -\r
+solution Nxg6+\r
+id "ECM.799"\r
+go\r
+setboard r6r/ppnqpk2/3pbpp1/5N2/1PP1P3/5RR1/P2QB1PP/6K1 w - -\r
+solution Nh6+\r
+id "ECM.801"\r
+go\r
+setboard 2b2r1k/2p3pp/2Nb4/pP5q/2PP4/P4pP1/5P1P/R1BQ2K1 b - -\r
+solution Bxg3\r
+id "ECM.803"\r
+go\r
+setboard r1bq2k1/pp3r1p/2n1p1p1/3pP3/6Q1/2PB2P1/P4PK1/R1B4R w - -\r
+solution Bxg6\r
+id "ECM.804"\r
+go\r
+setboard 3q1rk1/2r4p/n1p1n1pQ/p2pP3/Np1P2R1/5PN1/PP3KP1/2R5 w - -\r
+solution Rxg6+\r
+id "ECM.805"\r
+go\r
+setboard 2rqr1k1/pb2bp1p/1pn1pnpB/4N3/3P4/P1N3R1/1P3PPP/RB1Q2K1 w - -\r
+solution Rxg6+\r
+id "ECM.810"\r
+go\r
+setboard 2r5/pp2qr1k/1nb3pp/2ppBp2/2P4P/3B2R1/P3QPP1/1R4K1 w - -\r
+solution Rxg6\r
+id "ECM.811"\r
+go\r
+setboard 3rr3/3q1p1k/p2P2pp/1bp1b3/5N2/6QP/P1B3P1/3RR1K1 w - -\r
+solution Bxg6+\r
+id "ECM.812"\r
+go\r
+setboard 1n1b1rk1/r4p1p/p1p2qpQ/P3Np2/2BP4/2P1R3/5PPP/R5K1 w - -\r
+solution Rb1\r
+id "ECM.814"\r
+go\r
+setboard 6rk/pb3p1p/3bpPq1/3P4/1p1B3r/1B4P1/PPRQ1R1P/6K1 b - -\r
+solution Bxg3\r
+id "ECM.815"\r
+go\r
+setboard 3rr1k1/pb2bp1p/3qp1pB/1p2N3/3P2Q1/2P1R3/P4PPP/4R1K1 w - -\r
+solution Nxg6\r
+id "ECM.816"\r
+go\r
+setboard 1Q4R1/r2qbp2/3p1kp1/3Bp2p/8/3PP1P1/5PKP/8 w - -\r
+solution Rxg6+\r
+id "ECM.818"\r
+go\r
+setboard k2r3r/ppq2p1p/n1pb1Pp1/4p3/2Q5/1R2B1P1/PPP2PBP/R5K1 w - -\r
+solution Rxb7\r
+id "ECM.821"\r
+go\r
+setboard 1rb2rk1/p1p1qppp/2p2n2/3P4/1b3P2/2NB4/PPPBQ1PP/2KR3R b - -\r
+solution Ba3\r
+id "ECM.822"\r
+go\r
+setboard 4rrk1/p5pp/1p4q1/3p2n1/2pP2P1/P1P1PP2/3B2K1/1R2QR2 b - -\r
+solution Nxf3\r
+id "ECM.824"\r
+go\r
+setboard 1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - -\r
+solution Rxf6\r
+id "ECM.825"\r
+go\r
+setboard 1rbq2k1/b1p3pp/p1Pp4/3Ppr2/8/5N2/PPQ2PPP/R1B2RK1 b - -\r
+solution Rxf3\r
+id "ECM.826"\r
+go\r
+setboard 1r1q1r1k/2p3pp/1p1bQ3/p7/1PP5/Pn3B2/1B3PPP/R4RK1 b - -\r
+solution Rxf3\r
+id "ECM.827"\r
+go\r
+setboard r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - -\r
+solution Nf6+\r
+id "ECM.829"\r
+go\r
+setboard 1n2r3/p1pq1kp1/1b1pNpp1/3P4/5RP1/3Q3P/1B3P2/6K1 w - -\r
+solution Bxf6\r
+id "ECM.830"\r
+go\r
+setboard r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - -\r
+solution Nf3+\r
+id "ECM.831"\r
+go\r
+setboard 3r1b2/p4bkp/1p1P1p2/r3p1p1/2q1N3/2N2P2/1P1R2PP/2QR3K w - -\r
+solution Nxf6\r
+id "ECM.832"\r
+go\r
+setboard rqbn1rk1/1p3ppp/p3p3/8/4NP2/8/PPP1BQPP/1K1R3R w - -\r
+solution Nf6+\r
+id "ECM.833"\r
+go\r
+setboard r1b1kb1r/1p4pp/p2ppn2/8/2qNP3/2N1B3/PPP3PP/R2Q1RK1 w kq -\r
+solution Rxf6\r
+id "ECM.834"\r
+go\r
+setboard 2nr2k1/1pq1bppp/p1p5/2p1P1PQ/2P1NP2/1PNR4/P6P/6K1 w - -\r
+solution Nf6+\r
+id "ECM.836"\r
+go\r
+setboard 6nk/pn2qr1r/1pbp1p1p/2p1pPpN/P1P1P1PP/2PP3R/7Q/2BBK2R w K -\r
+solution Nxf6\r
+id "ECM.837"\r
+go\r
+setboard r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq -\r
+solution Nxe6\r
+id "ECM.841"\r
+go\r
+setboard r1b1k1nr/3n1p1p/1qpBp1p1/pp2b3/4PN2/PBN2Q2/1PP2PPP/2KR3R w kq -\r
+solution Nxe6\r
+id "ECM.842"\r
+go\r
+setboard 2r2rk1/1b3ppp/pq2p3/1pbn2N1/3B3P/1B4P1/P1P1QP2/2KRR3 w - -\r
+solution Qh5\r
+id "ECM.843"\r
+go\r
+setboard r3k2r/pp1n1pb1/1qn1p1p1/2p3Pp/4R2P/2NP2QB/PPPB1P2/2K1R3 w kq -\r
+solution Rxe6+\r
+id "ECM.844"\r
+go\r
+setboard r3k2r/1q3ppp/p3p3/2b1P3/p2N1Q2/P7/1PP3PP/3R1R1K w kq -\r
+solution Nxe6\r
+id "ECM.845"\r
+go\r
+setboard 3qr1k1/rp3pbp/2p3p1/3p1b2/N1nP4/P2NP3/1PQ2PPP/1BRR2K1 b - -\r
+solution Rxe3\r
+id "ECM.846"\r
+go\r
+setboard 1r3rk1/5pbp/p2Pp1p1/q1n3P1/2p2P1P/2N1Q2R/PP6/1BKR4 b - -\r
+solution Rxb2\r
+id "ECM.852"\r
+go\r
+setboard rr4k1/5p1p/n2p1npQ/q1pP4/6P1/2N2P1N/PP1R3P/2K4R b - -\r
+solution Rxb2\r
+id "ECM.853"\r
+go\r
+setboard 1k2bb1r/1p3p1p/p2qpP1p/3pN3/3P1Q2/2RB2P1/PP3P1P/6K1 w - -\r
+solution Qc1\r
+id "ECM.854"\r
+go\r
+setboard 5rk1/5rp1/p2qb3/R2Np2Q/3bP2B/7P/P5PK/1R6 b - -\r
+solution Rf1\r
+id "ECM.856"\r
+go\r
+setboard 3r1rk1/p3q1pp/2Rb4/3P4/8/1P2Qp2/PB3PPP/3R2K1 b - -\r
+solution Bxh2+\r
+id "ECM.858"\r
+go\r
+setboard 1r4k1/1q3pb1/r1b3p1/pp1Qp3/P3P3/1B2BP2/1PP3P1/1K1R3R w - -\r
+solution Qd8+\r
+id "ECM.860"\r
+go\r
+setboard 3r4/kb6/pp6/4R1pr/PPpq4/2N3Q1/2P3PP/3R3K b - -\r
+solution Rf8\r
+id "ECM.862"\r
+go\r
+setboard 8/2q1np1k/6p1/1PPn3p/8/P2Q3P/6P1/2R4K b - -\r
+solution Nf5\r
+id "ECM.864"\r
+go\r
+setboard 7R/1p1r4/2b2p2/2Pp1qk1/3P1bp1/3N4/2Q2PB1/6K1 w - -\r
+solution Rg8+\r
+id "ECM.866"\r
+go\r
+setboard r6r/1pn1b1k1/2p1pq2/2Pp3p/p2P1Pp1/P2BP1P1/1P2QB2/3R2KR w - -\r
+solution Rxh5\r
+id "ECM.867"\r
+go\r
+setboard 1r4k1/pp4pp/2n1b3/1Rq1p3/2P2r2/P1B2P2/2Q1B1PP/3R1K2 b - -\r
+solution Rxf3+\r
+id "ECM.868"\r
+go\r
+setboard 2rq1rk1/5ppp/2b1pb2/np6/6N1/2NBB3/PP3PPP/R2Q2K1 w - -\r
+solution Bb6\r
+id "ECM.872"\r
+go\r
+setboard 5r2/p2p2kp/3PnNp1/1qr1Pp2/2p5/P1R5/6PP/2Q1R1K1 w - -\r
+solution Qh6+\r
+id "ECM.873"\r
+go\r
+setboard 2kr1br1/ppp2p1p/2n1p1q1/2Nn4/3P4/1Q2PB2/PP1B1P1P/2R1K2R b K -\r
+solution Qg1+\r
+id "ECM.875"\r
+go\r
+setboard 2kr3r/1Rp1bpp1/p6q/Q3P3/2P5/3p1NP1/P3P2P/1R4K1 b - -\r
+solution Qe3+\r
+id "ECM.877"\r
+go\r
+setboard 6k1/1R4pp/2p5/8/P1rNp3/6Pb/4PK2/8 w - -\r
+solution a5\r
+id "ECM.878"\r
+go\r
+setboard r2r2k1/pp3ppp/2q5/2p5/2P1P1n1/P4P1b/1BQ1BP1P/R3R2K b - -\r
+solution Rd2\r
+id "ECM.879"\r
+go
\ No newline at end of file
--- /dev/null
+setboard 2q1r1k1/1ppb4/r2p1Pp1/p4n1p/2P1n3/5NPP/PP3Q1K/2BRRB2 w - -\r
+solution f7+\r
+id "ECM.001"\r
+go\r
+setboard 7r/1p2k3/2bpp3/p3np2/P1PR4/2N2PP1/1P4K1/3B4 b - -\r
+solution Bxf3+\r
+id "ECM.002"\r
+go\r
+setboard 4k3/p1P3p1/2q1np1p/3N4/8/1Q3PP1/6KP/8 w - -\r
+solution Qb5\r
+id "ECM.003"\r
+go\r
+setboard 2r1b1k1/R4pp1/4pb1p/1pBr4/1Pq2P2/3N4/2PQ2PP/5RK1 b - -\r
+solution Rcxc5\r
+id "ECM.004"\r
+go\r
+setboard 6k1/p1qb1p1p/1p3np1/2b2p2/2B5/2P3N1/PP2QPPP/4N1K1 b - -\r
+solution Bxf2+\r
+id "ECM.005"\r
+go\r
+setboard 3q4/pp3pkp/5npN/2bpr1B1/4r3/2P2Q2/PP3PPP/R4RK1 w - -\r
+solution Bxf6+\r
+id "ECM.006"\r
+go\r
+setboard 3rr1k1/pb3pp1/1p1q1b1p/1P2NQ2/3P4/P1NB4/3K1P1P/2R3R1 w - -\r
+solution Rxg7+\r
+id "ECM.007"\r
+go\r
+setboard r1b1r1k1/p1p3pp/2p2n2/2bp4/5P2/3BBQPq/PPPK3P/R4N1R b - -\r
+solution Bg4\r
+id "ECM.008"\r
+go\r
+setboard 3r4/1b2k3/1pq1pp2/p3n1pr/2P5/5PPN/PP1N1QP1/R2R2K1 b - -\r
+solution Rxh3\r
+id "ECM.009"\r
+go\r
+setboard 2r4k/pB4bp/6p1/6q1/1P1n4/2N5/P4PPP/2R1Q1K1 b - -\r
+solution Qxc1\r
+id "ECM.010"\r
+go\r
+setboard 1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - -\r
+solution Nxg4\r
+id "ECM.011"\r
+go\r
+setboard 5rk1/7p/p1N5/3pNp2/2bPnqpQ/P7/1P3PPP/4R1K1 w - -\r
+solution Ne7+\r
+id "ECM.012"\r
+go\r
+setboard rnb2rk1/pp2np1p/2p2q1b/8/2BPPN2/2P2Q2/PP4PP/R1B2RK1 w - -\r
+solution Nd5\r
+id "ECM.013"\r
+go\r
+setboard 2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - -\r
+solution Nd5\r
+id "ECM.014"\r
+go\r
+setboard r3kb1r/pp2pppp/3q4/3Pn3/6b1/2N1BN2/PP3PPP/R2QKB1R w KQkq -\r
+solution Nxe5\r
+id "ECM.015"\r
+go\r
+setboard 2rr2k1/1b3p1p/p4qpb/2R1n3/3p4/BP2P3/P3QPPP/3R1BKN b - -\r
+solution Rxc5\r
+id "ECM.016"\r
+go\r
+setboard r1b1k3/5p1p/p1p5/3np3/1b2N3/4B3/PPP1BPrP/2KR3R w q -\r
+solution Rxd5\r
+id "ECM.017"\r
+go\r
+setboard r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R2K1 w - -\r
+solution Nxd6\r
+id "ECM.018"\r
+go\r
+setboard b7/2q2kp1/p3pbr1/1pPpP2Q/1P1N3P/6P1/P7/5RK1 w - -\r
+solution Rxf6+\r
+id "ECM.019"\r
+go\r
+setboard 1rr1nbk1/5ppp/3p4/1q1PpN2/np2P3/5Q1P/P1BB1PP1/2R1R1K1 w - -\r
+solution Bxa4\r
+id "ECM.020"\r
+go\r
+setboard r7/5kp1/2p1p2p/1p1n3P/2rP4/2P3R1/PK2RPP1/2B5 b - -\r
+solution Rxc3\r
+id "ECM.021"\r
+go\r
+setboard r1r3k1/p3qpp1/b1P4p/3p4/3Nn3/4P3/P1Q2PPP/1BR1K2R b K -\r
+solution Qb4+\r
+id "ECM.022"\r
+go\r
+setboard rn3rk1/4bppp/1q2p3/p2pP3/8/1PN2B1P/P4PP1/2RQ1RK1 w - -\r
+solution Bxd5\r
+id "ECM.023"\r
+go\r
+setboard 6rk/1p1br2p/pqp5/3pNP2/3Pp3/P5PR/5PKR/Q7 w - -\r
+solution Rxh7+\r
+id "ECM.024"\r
+go\r
+setboard 2b3k1/5p1p/7b/p2B3p/3P4/P2Q1N1P/1q3PP1/6K1 w - -\r
+solution Bxf7+\r
+id "ECM.025"\r
+go\r
+setboard r1b5/4k3/p7/3p1n2/3Bp3/2P2r1P/PPBK1P2/4R2R w - -\r
+solution Bc5+\r
+id "ECM.026"\r
+go\r
+setboard r4rk1/1b3Npp/p7/1p3Q2/3P4/1B2q3/P5PP/3n1R1K b - -\r
+solution Bxg2+\r
+id "ECM.027"\r
+go\r
+setboard r1b2rk1/2q2ppp/2pbp3/p7/4Nn2/3B4/PPPBQ1PP/R4R1K w - -\r
+solution Rxf4\r
+id "ECM.028"\r
+go\r
+setboard 3r2k1/1q1P1ppp/r2R2n1/p4Q2/1ppB2R1/6P1/PP3PP1/6K1 w - -\r
+solution Rgxg6\r
+id "ECM.029"\r
+go\r
+setboard r2q1rk1/p3b1pp/2p5/1pn5/1n1Bp1b1/1P6/PQ1PPP2/2RNKBNR b K -\r
+solution Bxe2\r
+id "ECM.030"\r
+go\r
+setboard 3r2k1/p2r1p1p/1p2p1p1/q4n2/3P4/PQ1R3P/1P2NPP1/3R2K1 b - -\r
+solution Nxd4\r
+id "ECM.031"\r
+go\r
+setboard 2bnr1k1/2q2ppp/p7/2p1b3/2N1B3/R7/1P2QPPP/2B3K1 w - -\r
+solution Nxe5\r
+id "ECM.032"\r
+go\r
+setboard r1b2r1k/3nN2p/p2Q1p2/8/4PP2/1R6/q1PK2PP/4R3 w - -\r
+solution Qd5\r
+id "ECM.033"\r
+go\r
+setboard 1nk1r1r1/pp2n1pp/4p3/q2pPp1N/b1pP1P2/B1P2R2/2P1B1PP/R2Q2K1 w - -\r
+solution Nf6\r
+id "ECM.034"\r
+go\r
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -\r
+solution Rxc8\r
+id "ECM.035"\r
+go\r
+setboard br1r2k1/1q4p1/p2ppb1p/2p2p2/2P1n3/Pn2P2P/QPR2PPB/2NRNBK1 b - -\r
+solution Nxc1\r
+id "ECM.036"\r
+go\r
+setboard 2k4r/ppp1n1p1/2n2qb1/2N5/Q1P3p1/P2r3P/1P3PB1/R1B2RK1 w - -\r
+solution Qb5\r
+id "ECM.037"\r
+go\r
+setboard 8/6bk/1B1R4/6p1/2bNP3/4KP2/1r6/8 b - -\r
+solution Be5\r
+id "ECM.038"\r
+go\r
+setboard r1b1rnk1/1p3pb1/1qpp2p1/2n5/2PNP2p/1PN3PP/3R1PBK/BR1Q4 b - -\r
+solution Rxa1\r
+id "ECM.039"\r
+go\r
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -\r
+solution Nxc6\r
+id "ECM.040"\r
+go\r
+setboard 5rk1/1b3ppp/p3p3/1p1q2N1/4n3/6P1/PP2PPBP/2Q2RK1 b - -\r
+solution Nxg3\r
+id "ECM.041"\r
+go\r
+setboard 2kr3r/pppq2p1/1bn1R3/6N1/1P6/1QN1B1p1/P4PP1/R5K1 b - -\r
+solution gxf2+\r
+id "ECM.042"\r
+go\r
+setboard 2rr4/5pk1/p1q3p1/3bpP1p/1p4nR/1N4Q1/PPP3PP/3NR2K b - -\r
+solution Bxg2+\r
+id "ECM.043"\r
+go\r
+setboard r4rk1/pp4pp/2nqb3/3p4/8/2NB4/PP1Q1PPP/4RRK1 w - -\r
+solution Bxh7+\r
+id "ECM.044"\r
+go\r
+setboard 3rk1r1/3b1p1p/p2BpQ2/8/2q5/2P5/PP3PPP/3R2K1 b - -\r
+solution Rxg2+\r
+id "ECM.045"\r
+go\r
+setboard 3r1rk1/4pp1p/p1Q1b1p1/3N4/3b4/5B2/Pq3PPP/R4RK1 b - -\r
+solution Bxd5\r
+id "ECM.046"\r
+go\r
+setboard 5bk1/1bqn1r1p/p3Q1p1/4p3/1PN1Pp2/P1N4P/5PP1/R1BR2K1 w - -\r
+solution Qxf7+\r
+id "ECM.047"\r
+go\r
+setboard 3rkb1r/1p3p2/p1n1p3/q5pp/2PpP3/1P4P1/P1Q1BPKP/R2N3R b k -\r
+solution d3\r
+id "ECM.048"\r
+go\r
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -\r
+solution Qxf7+\r
+id "ECM.049"\r
+go\r
+setboard 2kr1b1R/1b3pp1/p2pp3/1pq3P1/2nQPP2/P1N5/1PP1BB2/1K6 w - -\r
+solution Rxf8\r
+id "ECM.050"\r
+go\r
+setboard 1k1r1b1r/p1p1q3/2p1p3/4Ppp1/4nP2/P2BQ3/1PP3PB/2KR3R b - -\r
+solution Rxh2\r
+id "ECM.051"\r
+go\r
+setboard r3nb1Q/p1q2kr1/2p3p1/2ppnpP1/1P3N2/4P3/PB1P4/1R2KB1R w K -\r
+solution Qxf8+\r
+id "ECM.052"\r
+go\r
+setboard r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - -\r
+solution Nfxe4\r
+id "ECM.053"\r
+go\r
+setboard 1rb1qn2/1p2nrbk/p2p2p1/P2Pp1Pp/NP2P2P/2RNB3/2QKB3/1R6 w - -\r
+solution Ba7\r
+id "ECM.054"\r
+go\r
+setboard 5r2/1b2k2p/3bp3/5PP1/Bn1Q3P/1N6/1Pr5/1K3R2 b - -\r
+solution Rxb2+\r
+id "ECM.055"\r
+go\r
+setboard r1b1r1k1/pp4bp/5np1/2qPB3/8/6NP/PPP1Q1B1/R4R1K w - -\r
+solution Rxf6\r
+id "ECM.056"\r
+go\r
+setboard r1b2r1k/1pq3bp/8/3Qp2n/1P1n1pp1/2NP2P1/3BPPBP/1R2NRK1 b - -\r
+solution Qxc3\r
+id "ECM.057"\r
+go\r
+setboard 4qk2/pp3pp1/1nbr3p/2p5/5N2/2P1Q3/PPB2PPP/2K1R3 w - -\r
+solution Ng6+\r
+id "ECM.058"\r
+go\r
+setboard 3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - -\r
+solution Rd5\r
+id "ECM.059"\r
+go\r
+setboard r4rk1/pp1b2pp/3bpq2/3p1p2/2PPn3/PP1B4/1BQN1PPP/R4RK1 b - -\r
+solution Bxh2+\r
+id "ECM.060"\r
+go\r
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.061"\r
+go\r
+setboard 2rq1r2/pp3pnk/2n1b1pp/3pQ3/3P1N2/P1N5/1P3PPP/1BR2RK1 w - -\r
+solution Bxg6+\r
+id "ECM.062"\r
+go\r
+setboard 4nk2/r1r1bppp/pN2p3/2np4/8/BPN3PP/P3PPK1/2RR4 w - -\r
+solution Ncxd5\r
+id "ECM.063"\r
+go\r
+setboard r4r1k/2pqn1b1/p1bp2pp/1p2pn2/4N3/2PP1PPQ/PPB4P/R1B1RNK1 b - -\r
+solution Nd4\r
+id "ECM.064"\r
+go\r
+setboard r1bQ1nk1/bp3ppp/p7/3B4/1P6/P3P1P1/2P4P/q1B2RK1 b - -\r
+solution Bxe3+\r
+id "ECM.065"\r
+go\r
+setboard 3r1rk1/1b2bppp/2q1pn2/pp4Q1/3B1P2/PBN5/1PP3PP/R2R3K b - -\r
+solution Rxd4\r
+id "ECM.066"\r
+go\r
+setboard 2nq2k1/2r3pp/p1p1rp2/PpQ1N3/1P1PR3/8/5PPP/2R3K1 w - -\r
+solution Nf7\r
+id "ECM.067"\r
+go\r
+setboard r1b2rk1/1p2bppp/p3pn2/4B3/1qBR4/2N5/P3QPPP/R5K1 w - -\r
+solution Bd3\r
+id "ECM.068"\r
+go\r
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -\r
+solution g6\r
+id "ECM.069"\r
+go\r
+setboard 5r1k/p6p/1p1p1qp1/2pQpr2/8/2PP2P1/PP2RPKP/5R2 b - -\r
+solution e4\r
+id "ECM.070"\r
+go\r
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -\r
+solution Qh6\r
+id "ECM.071"\r
+go\r
+setboard 2r2rk1/5pbp/p5p1/3P2q1/1QbN4/5P2/P4BPP/2RR2K1 b - -\r
+solution Bf1\r
+id "ECM.072"\r
+go\r
+setboard r1bqnrk1/pp2ppb1/1np3pp/4P1N1/5P2/2NBB3/PPP3PP/R2Q1RK1 w - -\r
+solution Nh7\r
+id "ECM.073"\r
+go\r
+setboard 3nk3/3q1p2/1B3pr1/4p3/bP2P2p/r2B4/2Q2RPP/3R2K1 w - -\r
+solution Bb5\r
+id "ECM.074"\r
+go\r
+setboard 3rnr1k/pp3ppp/4b3/2p1qNP1/P2pPR2/1P1P2Q1/2P3BP/5RK1 w - -\r
+solution Nh6\r
+id "ECM.075"\r
+go\r
+setboard r1b2kr1/1p1p1pNp/p1n1p1p1/5P2/3QP3/2N5/PqP1B1PP/R4RK1 w - -\r
+solution fxg6\r
+id "ECM.076"\r
+go\r
+setboard 5rk1/3r1p1p/3b2pQ/8/4q3/4B2P/3R1PP1/4R1K1 w - -\r
+solution Rxd6\r
+id "ECM.077"\r
+go\r
+setboard 4rrk1/1bp2ppp/p1q2b1B/1pn2B2/4N1Q1/2P4P/PP3PP1/3RR1K1 w - -\r
+solution Nxc5\r
+id "ECM.078"\r
+go\r
+setboard 2rnrbnk/3q1ppp/p1p5/3p1P2/1p1PPN2/4BQ1R/PP1N2PP/3R2K1 w - -\r
+solution Ng6+\r
+id "ECM.079"\r
+go\r
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -\r
+solution Rd4\r
+id "ECM.080"\r
+go\r
+setboard Q7/p1r1ppk1/1qP4p/2Rb2p1/8/3N2P1/4PP1P/6K1 b - -\r
+solution Qb1+\r
+id "ECM.081"\r
+go\r
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -\r
+solution exf6\r
+id "ECM.082"\r
+go\r
+setboard r2qr1k1/pp3pbp/3p1np1/2pP1bB1/2P1N3/3Q1PN1/PP4PP/R4RK1 b - -\r
+solution Nxe4\r
+id "ECM.083"\r
+go\r
+setboard 4r1k1/1b4pp/p7/1prP3q/2P1B3/5P2/P3Q2P/3RR2K w - -\r
+solution Bg6\r
+id "ECM.084"\r
+go\r
+setboard r1br2k1/ppb1qpp1/2P4p/2n1p3/4B3/P1N2N2/1P3PPP/2RQ1RK1 w - -\r
+solution Nd5\r
+id "ECM.085"\r
+go\r
+setboard 2r3k1/1nqbrp2/p5pp/1p1Pp1N1/8/1P5P/P1B2PP1/2RQR1K1 w - -\r
+solution Nxf7\r
+id "ECM.086"\r
+go\r
+setboard 2r1rbk1/1b3ppp/pp6/2q1pNP1/Pn1RP3/2N5/1PP2QBP/5R1K w - -\r
+solution Nh6+\r
+id "ECM.087"\r
+go\r
+setboard r1b1rk2/3n1pbQ/2qp2p1/p2N2P1/2Bp3N/4P3/PP3PP1/2KR3R w - -\r
+solution Nxg6+\r
+id "ECM.088"\r
+go\r
+setboard r1r2qkb/4pp1p/pBbp3P/3Nn1P1/4Q3/1B6/PPP5/1K1R2R1 w - -\r
+solution g6\r
+id "ECM.089"\r
+go\r
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -\r
+solution Re7\r
+id "ECM.090"\r
+go\r
+setboard rn1q1r2/4bpk1/p3p3/1pN1N1np/2pP4/4PpBb/PPQ4P/1B1RK1R1 w - -\r
+solution Nc6\r
+id "ECM.091"\r
+go\r
+setboard 5rk1/6pp/8/2Q4q/N2pP3/4b1Pb/4PP1K/1R3R2 b - -\r
+solution Bxf1+\r
+id "ECM.092"\r
+go\r
+setboard 2r4k/pp2Q1pp/5r2/P2P4/3Pb1P1/4Ppq1/1P1R3N/3R3K b - -\r
+solution Qe1+\r
+id "ECM.093"\r
+go\r
+setboard 1r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K w - -\r
+solution Qxh7+\r
+id "ECM.094"\r
+go\r
+setboard r1b4k/p2n1Bpp/1p1Q1n2/5p2/3P4/P3BqP1/1P3P1P/R4RK1 b - -\r
+solution Bb7\r
+id "ECM.095"\r
+go\r
+setboard rn1r2k1/p4ppp/2p3b1/3PQ3/1B2Np1q/1B3P2/P1P3PP/4R1K1 w - -\r
+solution Nf6+ \r
+solution Qe8+\r
+id "ECM.096"\r
+go\r
+setboard 4r2k/5R1p/pp1Bq1pN/2p1P3/1n1b3Q/3P4/1P4KP/8 w - -\r
+solution Rxh7+\r
+id "ECM.097"\r
+go\r
+setboard r2nk1r1/pb3q1p/4p3/3p2pQ/8/BP6/P4PPP/2R1R1K1 w q -\r
+solution Rc7\r
+id "ECM.098"\r
+go\r
+setboard 6k1/1pqb1p2/5bpB/r2n4/4N1P1/1P3P2/1P1Q4/1K5R w - -\r
+solution Qxd5\r
+id "ECM.099"\r
+go\r
+setboard rr4k1/2p1ppb1/3pbnpp/q1pP4/4P3/1PNNBP1P/P1KR2P1/2Q4R b - -\r
+solution Qxc3+\r
+id "ECM.100"\r
+go\r
+setboard 1r3rk1/3Q2pp/p3p3/6B1/3np3/6R1/PqP1B2P/3K2R1 w - -\r
+solution Qxg7+\r
+id "ECM.101"\r
+go\r
+setboard 2r5/p4Q2/k1bBp3/4P3/p1nq4/5B2/2Pr2P1/1R1RK3 w - -\r
+solution Qb7+\r
+id "ECM.102"\r
+go\r
+setboard 5rk1/p1pb2pp/2p5/3p3q/2P3n1/1Q4BN/PP1Np1KP/R3R3 b - -\r
+solution Qxh3+\r
+id "ECM.103"\r
+go\r
+setboard 2r1nk2/4qpbQ/4b3/1p2RpP1/4P3/p7/PBP5/1K5R w - -\r
+solution Qxg7+\r
+id "ECM.104"\r
+go\r
+setboard 2kr4/1bpr3p/4R3/1pQ5/8/6B1/3q2PP/2R4K w - -\r
+solution Qxc7+\r
+id "ECM.105"\r
+go\r
+setboard r4rk1/1pbb2pp/p1p1p2q/2Pp4/1P1Pn3/P3B2P/2Q1BPP1/R4RNK b - -\r
+solution Qxe3\r
+id "ECM.106"\r
+go\r
+setboard r1k4r/ppp1b3/5Npp/4pb1Q/8/1B2B3/PqP2PPP/2RR2K1 w - -\r
+solution Qxf5+\r
+id "ECM.107"\r
+go\r
+setboard 6r1/p4rkp/3RQ1n1/1pp1p1B1/2p1P3/2P3R1/P4qPK/8 w - -\r
+solution Qxe5+\r
+id "ECM.108"\r
+go\r
+setboard 2kr1r2/1pp3pp/1n2p1b1/pN2B3/P1q5/1Q1p3P/5PP1/R4R1K w - -\r
+solution Rac1\r
+id "ECM.109"\r
+go\r
+setboard 2kr1bnr/1ppq4/p3bp2/6pp/4p3/2N2NBP/PP3PP1/2RQ1RK1 w - -\r
+solution Na4\r
+id "ECM.110"\r
+go\r
+setboard r2q2rk/p3bp1p/4b1p1/3pP2R/1p1B4/3BQ3/PPP3PP/5R1K w - -\r
+solution Rxf7\r
+id "ECM.111"\r
+go\r
+setboard r1b1Q3/6pk/p6p/1pq1n3/4N3/8/PPP3PP/R6K b - -\r
+solution Qc6\r
+id "ECM.112"\r
+go\r
+setboard q6r/pp3pkp/5np1/4Q3/4P3/6N1/P4PPP/5RK1 w - -\r
+solution Nh5+\r
+id "ECM.113"\r
+go\r
+setboard r1b1rk2/pp3ppQ/1np5/4q3/2B4N/4P3/PP3PP1/2R2K1R w - -\r
+solution Qg8+\r
+id "ECM.114"\r
+go\r
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -\r
+solution Nxh7\r
+id "ECM.115"\r
+go\r
+setboard r3r1k1/p2N1pp1/1pn1p3/q1n5/2PQ4/P3B3/4PPKP/R5R1 w - -\r
+solution Nf6+\r
+id "ECM.116"\r
+go\r
+setboard 4qbk1/1R5n/p2pr1p1/2pQpNPp/P1P1P3/2P2P2/3B4/5K2 w - -\r
+solution Ne7+\r
+id "ECM.117"\r
+go\r
+setboard 3qr1k1/1p1bppbp/p2p2p1/2rPn3/P2N4/4BP2/1PPQ2PP/R2R1BK1 w - -\r
+solution Ne6\r
+id "ECM.118"\r
+go\r
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.119"\r
+go\r
+setboard 8/R5p1/6k1/pr2p1b1/4K3/7P/5P2/6R1 w - -\r
+solution h4\r
+id "ECM.120"\r
+go\r
+setboard 5rk1/1b1r1p2/p1q1pQp1/1p2P2p/8/1BP1NR2/PP1n2PP/5R1K w - -\r
+solution Bxe6\r
+id "ECM.121"\r
+go\r
+setboard 6k1/p1p2r2/1p1p1P1Q/3P4/2P5/5qr1/PP4RP/6RK w - -\r
+solution Qh3\r
+id "ECM.122"\r
+go\r
+setboard 2b1rr1k/1p5p/1Ppp2q1/p3bN2/2P1n3/5R2/PBQ3BP/3R2K1 w - -\r
+solution Nxd6\r
+id "ECM.123"\r
+go\r
+setboard 3b2rk/7p/p7/2pbqNrn/Pp1p1R2/1P1Q2P1/1BPN1R1P/6K1 w - -\r
+solution Rxd4\r
+id "ECM.124"\r
+go\r
+setboard 1rbr2k1/1pq1bp1p/p1pNn1p1/2n1p3/2B1P2P/1NQ1BP2/PP4P1/1K1R3R w - -\r
+solution Nxf7\r
+id "ECM.125"\r
+go\r
+setboard r4rk1/1pp1b1pp/p1q5/3pPp2/3Pn3/P3N3/1P3PPP/R1BQR1K1 w - -\r
+solution Qb3\r
+id "ECM.126"\r
+go\r
+setboard rbbq1rk1/p3nppp/1p2p3/8/1B1pN3/P2B4/1P3PPP/2RQ1RK1 w - -\r
+solution Nf6+\r
+id "ECM.127"\r
+go\r
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -\r
+solution Nxh5\r
+id "ECM.128"\r
+go\r
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -\r
+solution Re6\r
+id "ECM.129"\r
+go\r
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -\r
+solution Rxe7\r
+id "ECM.130"\r
+go\r
+setboard 2rq1rk1/pp2bppp/1npp1n2/3PpN1b/2P5/2N3PP/PP2PPB1/R1BQ1RK1 w - -\r
+solution c5\r
+id "ECM.131"\r
+go\r
+setboard rnbq1rk1/pp2b1pp/5n2/2pPp3/2P1N3/3B1N2/PP4PP/R1BQK2R w KQ -\r
+solution d6\r
+id "ECM.132"\r
+go\r
+setboard 2n1rbk1/5pp1/7p/qP1pp3/4b1Q1/1B5P/1P1N1PP1/2B1R1K1 w - -\r
+solution Rxe4\r
+id "ECM.133"\r
+go\r
+setboard 4k3/2R2p2/5p1p/8/rb6/1N6/5PPP/5K2 w - -\r
+solution Rc4\r
+id "ECM.134"\r
+go\r
+setboard 2k3r1/pp2rp2/1np5/2Np1p2/P2P3p/1R2P1Pq/2Q2P1P/1R4K1 w - -\r
+solution Nxb7\r
+id "ECM.135"\r
+go\r
+setboard 2r1k3/p3nrR1/1p1p4/2p1p1p1/2P1B3/2PP1P2/P5K1/7R w - -\r
+solution Rh8+\r
+id "ECM.136"\r
+go\r
+setboard 8/1Qp3pk/7p/5p2/5Pqn/1P1r4/P5PP/2B2RK1 b - -\r
+solution c6\r
+id "ECM.137"\r
+go\r
+setboard 2rr1bk1/5p1p/pPN2np1/3Bp3/2Q1n3/1P2B1Pq/P3PP2/R2R2K1 b - -\r
+solution Rxd5\r
+id "ECM.138"\r
+go\r
+setboard 3r2k1/1p4pp/p1q1p3/3p1B2/bP1B2P1/P4Q2/5PKP/2b2R2 w - -\r
+solution Rxc1\r
+id "ECM.139"\r
+go\r
+setboard rnb1r1k1/pp5p/2pp2p1/4b3/2P1P2q/1NN1BPp1/PP1QB1P1/3RR1K1 b - -\r
+solution Bf4\r
+id "ECM.140"\r
+go\r
+setboard 5n1r/1p2kp2/rB1Nb3/4p1Pp/4p2P/1PP5/8/1K1R1R2 w - -\r
+solution Rxf7+\r
+id "ECM.141"\r
+go\r
+setboard b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - -\r
+solution d3+\r
+id "ECM.142"\r
+go\r
+setboard 4r1k1/3R1ppp/p2p4/5PP1/2q2P2/2n2B2/P1P3QP/1r3R1K w - -\r
+solution Rxb1\r
+id "ECM.143"\r
+go\r
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -\r
+solution Bd5+\r
+id "ECM.144"\r
+go\r
+setboard 6k1/4ppbp/p5p1/1B1Q4/2P2Pn1/8/qr4PP/2B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.145"\r
+go\r
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -\r
+solution Ba3\r
+id "ECM.146"\r
+go\r
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -\r
+solution g6\r
+id "ECM.147"\r
+go\r
+setboard 5r2/1b3pk1/pqrpp1p1/4n1Nn/1p2PP1P/8/PPPQB3/1NKR2R1 b - -\r
+solution Rfc8\r
+id "ECM.148"\r
+go\r
+setboard 1r2k2r/p5bp/4p1p1/q2pn3/1p2N1P1/6QP/PPP5/1KBR3R w k -\r
+solution Bh6\r
+id "ECM.149"\r
+go\r
+setboard rn1q1rk1/pp3p1p/2p5/3p4/5Q1P/2NP3R/PPP3P1/4RK2 w - -\r
+solution Rg3+\r
+id "ECM.150"\r
+go\r
+setboard 7r/kppQP1pp/p7/2qp1R2/4n3/1P2b2P/P1P3PK/R7 b - -\r
+solution Re8\r
+id "ECM.151"\r
+go\r
+setboard r1b1kb1Q/qp2pp2/p3n1p1/2nN2Pp/2B4P/7N/PPP5/2KRR3 w q -\r
+solution Nc7+\r
+id "ECM.152"\r
+go\r
+setboard 8/1bq3kp/p5p1/1pb1p3/4P2P/2PQ2P1/1P5B/5N1K b - -\r
+solution Qd8\r
+id "ECM.153"\r
+go\r
+setboard 2r1q1r1/6bk/p2pN1pp/1p1N4/4P3/3R3Q/PnP4P/1K4R1 w - -\r
+solution Nf6+\r
+id "ECM.154"\r
+go\r
+setboard 4r3/Q2bppkp/3p2p1/3Nn3/4P3/6PP/1qr2PB1/R3R1K1 b - -\r
+solution Ra8\r
+id "ECM.155"\r
+go\r
+setboard 6k1/p1q2pp1/2n2b2/3B2Pp/2P2P2/5N1P/Pr1Q2K1/4R3 w - -\r
+solution Re8+\r
+id "ECM.156"\r
+go\r
+setboard r1r3k1/p4n2/3p4/5NpR/8/2q2P2/P1PQ4/2K4R w - -\r
+solution Rh8+\r
+id "ECM.157"\r
+go\r
+setboard 8/p5Q1/2ppq2p/3n1ppk/3B4/2P2P1P/P5P1/6K1 w - -\r
+solution g4+\r
+id "ECM.158"\r
+go\r
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -\r
+solution Nd6\r
+id "ECM.159"\r
+go\r
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -\r
+solution Ba4\r
+id "ECM.160"\r
+go\r
+setboard r1bq3k/ppp2Qp1/2n1p2p/6N1/2BPN3/2P1n3/PP4PP/R5K1 w - -\r
+solution Nf6\r
+id "ECM.161"\r
+go\r
+setboard 3R4/1p2kp2/p1b1nN2/6p1/8/6BP/2r1qPPK/Q7 w - -\r
+solution Rd7+\r
+id "ECM.162"\r
+go\r
+setboard 6k1/p5p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - -\r
+solution Rh8+\r
+id "ECM.163"\r
+go\r
+setboard 8/5P2/4K1kP/4R3/8/8/8/5r2 w - -\r
+solution Rg5+\r
+id "ECM.164"\r
+go\r
+setboard 3r1rk1/p1p1qp1p/2p1b1p1/8/P2PRP2/2P1NQ2/6PP/R5K1 w - -\r
+solution f5\r
+id "ECM.165"\r
+go\r
+setboard 6k1/pr3ppp/1p3qn1/5NQ1/2p5/8/P4PPP/4R1K1 w - -\r
+solution Re8+\r
+id "ECM.166"\r
+go\r
+setboard Q7/1pq2kpp/4bp2/3r4/2B5/P3P3/1r3PPP/2R1K2R b K -\r
+solution Rd1+\r
+id "ECM.167"\r
+go\r
+setboard 4r1k1/p4ppp/4q2r/1Q6/4p3/4P1P1/P4P1P/2RR2K1 w - -\r
+solution Rd6\r
+id "ECM.168"\r
+go\r
+setboard 8/5p1k/4p1p1/3p2K1/3P1Q1P/P4P2/7q/8 b - -\r
+solution f6+\r
+id "ECM.169"\r
+go\r
+setboard r4r2/6k1/3p4/2pPp2p/4Pqp1/3P1P2/1R2Q1KP/5R2 b - -\r
+solution Ra1\r
+id "ECM.170"\r
+go\r
+setboard 4r1k1/1np1r1pp/1ppp1q2/6N1/1P3P2/4RQP1/7P/4R1K1 w - -\r
+solution Qh5\r
+id "ECM.171"\r
+go\r
+setboard r4rk1/pp3p1p/3pq1p1/2nNp3/3R1P2/7Q/PP4PP/5RK1 w - -\r
+solution f5\r
+id "ECM.172"\r
+go\r
+setboard 3qn2k/1p3Bp1/rbn4p/2p5/p1P2p2/P2b2PP/1BQNRP2/1R4K1 w - -\r
+solution Qxd3\r
+id "ECM.173"\r
+go\r
+setboard 3r1rk1/1pp4p/1q3bp1/p3p3/P2n1P2/2BB3P/1PP2QP1/R4RK1 b - -\r
+solution Bh4\r
+id "ECM.174"\r
+go\r
+setboard 4rrk1/2p2ppp/p2b4/1p1P4/3P2nq/2P4P/PPQ1RPP1/RNB3K1 b - -\r
+solution Qxf2+\r
+id "ECM.175"\r
+go\r
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.176"\r
+go\r
+setboard r3kb1r/2q2p2/3p4/ppp1n1B1/P6P/1B3pQ1/1PP3b1/2KRR3 w kq -\r
+solution Bd5\r
+id "ECM.177"\r
+go\r
+setboard r1b2rk1/1p4pp/p1n3q1/4ppN1/7Q/2P1B3/P1P2PPP/R2R2K1 w - -\r
+solution Rd6\r
+id "ECM.178"\r
+go\r
+setboard 1rb2r2/1pR1N2p/p2R2pk/5p2/4pP2/1P1nP3/P4P1P/5BK1 w - -\r
+solution Rf6\r
+id "ECM.179"\r
+go\r
+setboard r1b3k1/ppp2r2/6p1/3n3p/6qP/3BQ3/PBP5/2KR3R w - -\r
+solution Bd4\r
+id "ECM.180"\r
+go\r
+setboard 3r2k1/p2q1r1p/1p1N2p1/1PpP4/3b1Bn1/1Q4Pb/1P2RP1P/R5KB b - -\r
+solution Qxd6\r
+id "ECM.181"\r
+go\r
+setboard 4r1k1/1pbb3p/2pp2q1/p1n5/2P2R2/1PN1n1P1/PB2Q1B1/5RK1 w - -\r
+solution Qxe3\r
+id "ECM.182"\r
+go\r
+setboard 3r2k1/p2r1p1p/1pR1p1qP/3P1pP1/3R4/1P2Q3/P4K2/8 w - -\r
+solution dxe6\r
+id "ECM.183"\r
+go\r
+setboard 3r3k/p1Q3bp/2p3p1/8/2P1BRn1/1P4Pb/P1N1q2P/6BK b - -\r
+solution Nf2+\r
+id "ECM.184"\r
+go\r
+setboard r4k2/p1pr1ppp/2q5/3PR2P/3Q4/8/6P1/5RK1 w - -\r
+solution Re7\r
+id "ECM.185"\r
+go\r
+setboard 1R3b2/3r3k/2p1bp1p/r1q1pNpQ/2PpP2P/6B1/P4PP1/1R4K1 w - -\r
+solution Nxh6\r
+id "ECM.186"\r
+go\r
+setboard r1b4r/pp2ppk1/2np1np1/3N3p/2B1P3/q3BP2/P1PQ2PP/1R3RK1 w - -\r
+solution Nxe7\r
+id "ECM.187"\r
+go\r
+setboard r3k2r/pb1n1pbp/4p1p1/q1n1P3/Bp1N1N2/4B3/PP3PPP/R2Q1RK1 w kq -\r
+solution Ndxe6\r
+id "ECM.188"\r
+go\r
+setboard 5rk1/Q2nqppp/5n2/2p5/8/1B2PP1P/Pr1B1P2/R3K2R b KQ -\r
+solution Ne4\r
+id "ECM.189"\r
+go\r
+setboard 5rk1/5pbp/b5p1/p1nNN3/1p2n3/1P4PP/P4PB1/2BR2K1 w - -\r
+solution Nd7\r
+id "ECM.190"\r
+go\r
+setboard 2k1r1r1/ppb2p2/6b1/2qP4/2P2P2/4pP1p/P3Q2P/2RBRN1K b - -\r
+solution Bd3\r
+id "ECM.191"\r
+go\r
+setboard 5r1k/pp1n1p1p/1b1qpP2/8/1PrN4/P1N1Q1P1/7P/3R1R1K w - -\r
+solution Qh6\r
+id "ECM.192"\r
+go\r
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -\r
+solution Nb6\r
+id "ECM.193"\r
+go\r
+setboard 1r3rk1/p4pbp/q1p2pp1/3p1b2/1n1P1P1B/PB3N2/1PPQR1PP/2KR4 b - -\r
+solution Bxc2\r
+id "ECM.194"\r
+go\r
+setboard 1rbr2k1/4qp2/p1n2bpp/1pp1p1N1/4P3/2P1BQ1P/PPB2PP1/3RR1K1 w - -\r
+solution Bxc5\r
+id "ECM.195"\r
+go\r
+setboard 2r2rk1/1p1q1ppp/1p3n2/3p1N2/4n3/1N3Q2/PPP2PPP/R2R2K1 w - -\r
+solution Rxd5\r
+id "ECM.196"\r
+go\r
+setboard rn3rk1/pp2ppbp/6p1/2R3N1/2B3b1/q3B3/P1P1Q1PP/5RK1 w - -\r
+solution Rxf7\r
+id "ECM.197"\r
+go\r
+setboard r1k3r1/pppnb1p1/4N3/3QP2p/3P3q/4B3/PPP2P2/R3KB2 w Q -\r
+solution Ba6\r
+id "ECM.198"\r
+go\r
+setboard r1nqr2k/1p1b1Q1p/p5p1/P1pPb3/5B2/2N5/BP4PP/R4RK1 w - -\r
+solution Qf8+\r
+id "ECM.199"\r
+go\r
+setboard 8/k3r1b1/Pp2rpp1/1qpQ4/4nB2/2P2NP1/7P/R4RK1 w - -\r
+solution Bb8+\r
+id "ECM.200"\r
+go\r
+setboard 1k1r4/ppq2p2/8/2pPb1r1/2P1Q1B1/6P1/PP3PK1/R4R2 b - -\r
+solution f5\r
+id "ECM.201"\r
+go\r
+setboard r1b2nk1/2qn1p1p/1ppR2p1/8/1PP1NP2/4r1PP/1Q2N1B1/3R2K1 w - -\r
+solution b5\r
+id "ECM.202"\r
+go\r
+setboard 8/5pk1/3q2p1/8/7P/5Q1K/6B1/6b1 b - -\r
+solution Qh2+\r
+id "ECM.203"\r
+go\r
+setboard 6r1/ppp4k/3p2rp/3Pb3/PPP1Np1q/5P1b/3QRRBP/6K1 b - -\r
+solution Bd4\r
+id "ECM.204"\r
+go\r
+setboard 4br1k/pR4bp/2r1B1pN/4npB1/3p4/P7/5PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.205"\r
+go\r
+setboard r1bq1rk1/pppn2bp/3p2p1/3N1p2/8/BP1BRQ1P/P1PP1PP1/4R1K1 w - -\r
+solution Nxc7\r
+id "ECM.206"\r
+go\r
+setboard r6r/1p2kp2/3p1b2/pPpPpQ1P/1nP1P2P/6R1/1P2K3/1B6 w - -\r
+solution Rg6\r
+id "ECM.207"\r
+go\r
+setboard 2q1r1k1/1b3pbp/3p2p1/1Ppn3n/5P2/5B2/1P1B2PP/R2NNQ1K b - -\r
+solution Ndxf4\r
+id "ECM.208"\r
+go\r
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -\r
+solution Rb3\r
+id "ECM.209"\r
+go\r
+setboard r2qr1n1/p4pk1/1p1p2p1/4p3/4PQ2/1PN2P2/1PP3P1/2KR3R w - -\r
+solution Rh7+\r
+id "ECM.210"\r
+go\r
+setboard r4rk1/ppp3b1/3p1qp1/3Pp3/2P1Bn2/4BP2/PP1Q4/2K3RR w - -\r
+solution Rxg6\r
+id "ECM.211"\r
+go\r
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -\r
+solution Bf4\r
+id "ECM.212"\r
+go\r
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -\r
+solution Re7\r
+id "ECM.213"\r
+go\r
+setboard 1q3rk1/r5b1/pNp1bn1p/2Pp1n2/1P2p3/1N2P2P/PBQKB3/3R3R b - -\r
+solution Nxe3\r
+id "ECM.214"\r
+go\r
+setboard r4n1r/ppq1nk2/1bpRpN2/4PpQ1/8/2B4P/PPP2PP1/2KR4 w - -\r
+solution Rd7\r
+id "ECM.215"\r
+go\r
+setboard 3r2k1/p5pp/bpP1p3/3n1p2/2NQpP1q/P3P3/1B1R1R2/4KBr1 b - -\r
+solution Rxf1+\r
+id "ECM.216"\r
+go\r
+setboard 1rq1r2k/5Rbp/p2p1p1B/2p1p3/2P1P2Q/1P6/P5PP/3b3K w - -\r
+solution Bxg7+\r
+id "ECM.217"\r
+go\r
+setboard 5Q2/5p1p/3p2p1/4p1k1/4P1P1/3R1P1K/r6P/4q3 w - -\r
+solution f4+\r
+id "ECM.218"\r
+go\r
+setboard 2b2r1k/ppq3pp/3b3r/n3NpN1/Q2PpP1B/2P1R3/PP5P/4R1K1 w - -\r
+solution Ngf7+\r
+id "ECM.219"\r
+go\r
+setboard 2r1r1k1/1R4bp/p5p1/2pqn3/8/2B5/1PQ1B1PP/5RK1 w - -\r
+solution Bc4\r
+id "ECM.220"\r
+go\r
+setboard 7k/pp1q2pp/3Nr1n1/3B2Q1/2pP4/B3P1Pb/P6P/6K1 w - -\r
+solution Qd8+\r
+id "ECM.221"\r
+go\r
+setboard r5k1/5p1p/bq1p2p1/r2Pp3/1p2N1P1/1P3P2/1KPQ3P/3R3R b - -\r
+solution Ra2+\r
+id "ECM.222"\r
+go\r
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -\r
+solution Bg7\r
+id "ECM.223"\r
+go\r
+setboard 5nk1/2b1q1p1/2p5/3pP1pQ/1r1P2P1/3B1R2/5PP1/6K1 w - -\r
+solution Rxf8+\r
+id "ECM.224"\r
+go\r
+setboard 1k1r3r/1pp2p2/p2b4/4n1p1/N3q1P1/1B2B3/PP3RP1/4RQK1 b - -\r
+solution Rh1+\r
+id "ECM.225"\r
+go\r
+setboard rnb1kr2/p4pQ1/8/1ppPpP2/2p1P3/N6P/Pq4B1/3R1RK1 w q -\r
+solution Nxb5\r
+id "ECM.226"\r
+go\r
+setboard 5r1k/2p3pp/3pQ3/3P1rN1/pp5q/5PR1/P4PKP/B7 w - -\r
+solution Bxg7+\r
+id "ECM.227"\r
+go\r
+setboard 8/pR3Bk1/3p2p1/5b1p/2P4P/6P1/P4bQK/4q3 b - -\r
+solution Bg1+\r
+id "ECM.228"\r
+go\r
+setboard r1b1Rnk1/6pp/p4q2/1pp2P2/3r4/2NB4/PP1Q2PP/4R1K1 w - -\r
+solution Nd5\r
+id "ECM.229"\r
+go\r
+setboard 1Q6/pb3pk1/1p3qp1/1N3p1p/2Pr3P/3BR1PK/r7/6R1 b - -\r
+solution Rh2+\r
+id "ECM.230"\r
+go\r
+setboard rq3r1k/p2n1p2/1pbb1np1/2p2BB1/8/2N2N2/PP3QPP/3R1RK1 w - -\r
+solution Rxd6\r
+id "ECM.231"\r
+go\r
+setboard 2kr3r/Qpp1n1p1/2b2pp1/4b3/8/6N1/PPP2P2/R1B2RK1 b - -\r
+solution Rh1+\r
+id "ECM.232"\r
+go\r
+setboard 8/2p2Q1p/1rp5/p3q1kp/P7/2P2RP1/5PK1/8 w - -\r
+solution Rf5+\r
+id "ECM.233"\r
+go\r
+setboard 1r2b3/1p2q1bk/p1p1p1p1/P1PpP2r/1P1KpPQP/4P2N/6R1/4B2R b - -\r
+solution Rxe5\r
+id "ECM.234"\r
+go\r
+setboard 6k1/3b1p1p/6p1/2BPR3/8/4Q2P/1q3rPK/8 w - -\r
+solution Re8+\r
+id "ECM.235"\r
+go\r
+setboard 2R5/4ppkp/6p1/p2P4/4P2P/p3B1P1/qbR2PK1/8 w - -\r
+solution Rg8+\r
+id "ECM.236"\r
+go\r
+setboard 3rr1k1/1b5p/p6p/1p3N2/6Pb/P1Q1p3/1PP4P/R5K1 b - -\r
+solution Bf2+\r
+id "ECM.237"\r
+go\r
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -\r
+solution Qc1\r
+id "ECM.238"\r
+go\r
+setboard 3r1rk1/1pq1nppp/p7/2pB3Q/P4P2/1P2P3/6PP/2RR2K1 w - -\r
+solution Bf3 \r
+solution Rxc5\r
+id "ECM.239"\r
+go\r
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -\r
+solution Rxd6\r
+id "ECM.240"\r
+go\r
+setboard 6k1/1pp2p2/p2p2q1/2PPb3/4r3/Pr4PK/2R5/2Q2NR1 b - -\r
+solution Rh4+\r
+id "ECM.241"\r
+go\r
+setboard 3r4/1pQ4R/p1b2kp1/P6p/2q5/7P/2P3P1/6K1 b - -\r
+solution Rd1+\r
+id "ECM.242"\r
+go\r
+setboard 6rr/1b3k1p/pbqppPn1/1p5Q/4PN2/P6R/1PP3BP/2B2R1K w - -\r
+solution Qxh7+\r
+id "ECM.243"\r
+go\r
+setboard 4rrk1/3b1ppp/pb6/1pqP4/P1p1PP2/1P2NK2/3QB2P/R2R4 b - -\r
+solution Rxe4\r
+id "ECM.244"\r
+go\r
+setboard 2r1r1k1/1p4bp/p2p1qp1/1n1P4/2P1B2P/1N1Q4/PP2R3/1K5R b - -\r
+solution Rxc4\r
+id "ECM.245"\r
+go\r
+setboard 6rr/ppqb1pkp/2pb1pn1/3p3Q/3P1P1N/3B1RN1/PPP3PP/5RK1 w - -\r
+solution Qh6+\r
+id "ECM.246"\r
+go\r
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -\r
+solution Bh7+\r
+id "ECM.247"\r
+go\r
+setboard r2q1rk1/1b1nbpp1/p1p1p2p/1pPpN3/3P1N2/P2BP3/1PQ2PPP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.248"\r
+go\r
+setboard 2r2rk1/pb4pp/1p2p3/4Npq1/3P1n2/5P2/PP1R2PP/RB2Q1K1 b - -\r
+solution Rc1\r
+id "ECM.249"\r
+go\r
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -\r
+solution Bxf7+\r
+id "ECM.250"\r
+go\r
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -\r
+solution Bb7\r
+id "ECM.251"\r
+go\r
+setboard r5k1/pp2ppb1/4qn2/r3B1p1/3P4/3QNP1R/PP2K1P1/7R w - -\r
+solution Bxf6\r
+id "ECM.252"\r
+go\r
+setboard 1R2br1k/5r1p/p2p1P2/6RQ/3p1P2/4p2B/q6P/5N1K w - -\r
+solution Rxe8\r
+id "ECM.253"\r
+go\r
+setboard kr1r4/7p/2bqp1p1/p7/1Pp1PP1P/K1B1nNPB/PP5R/RN2Q3 b - -\r
+solution Qxb4+\r
+id "ECM.254"\r
+go\r
+setboard 5r1r/1pkb4/5pB1/2P5/p3R2P/Pq6/1PQ2Pn1/K2R4 w - -\r
+solution Rxd7+\r
+id "ECM.255"\r
+go\r
+setboard kn5r/p2r2p1/1pqBp1np/1Q1pPp2/R2P4/1N6/2P2PPP/R5K1 w - -\r
+solution Rxa7+\r
+id "ECM.256"\r
+go\r
+setboard 4Rnk1/2p2pp1/3r3p/p2P4/P5Q1/1B5P/5PK1/q7 w - -\r
+solution Rxf8+\r
+id "ECM.257"\r
+go\r
+setboard 4r3/2k1p2q/pp1nR1p1/2pP1pP1/2P2P2/1P6/P1K3B1/4Q3 w - -\r
+solution Rxd6\r
+id "ECM.258"\r
+go\r
+setboard 2b3k1/p4ppp/7q/2Q5/8/P3r1P1/1r4BP/R3R1K1 b - -\r
+solution Rxg2+\r
+id "ECM.259"\r
+go\r
+setboard r1b1rbk1/7p/2p1pBp1/p2pP1P1/5P2/1PqB4/P1P1Q3/1K4RR w - -\r
+solution Rxh7\r
+id "ECM.260"\r
+go\r
+setboard 2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - -\r
+solution Bxh6\r
+id "ECM.261"\r
+go\r
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -\r
+solution Rxh8+\r
+id "ECM.262"\r
+go\r
+setboard 3r2k1/p4rPp/1b1q3Q/n1p1pP2/1p6/3B1NR1/P4P1P/6RK w - -\r
+solution Qxh7+\r
+id "ECM.263"\r
+go\r
+setboard r1bqrnk1/p4p2/1p5p/3pB1p1/P2P2n1/1P1B2N1/2Q3PP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.264"\r
+go\r
+setboard r2rn1k1/1bqn1ppp/p7/2bpP1P1/1p1N1Q2/1P3B2/PBP1NR1P/3R2K1 w - -\r
+solution Qxf7+\r
+id "ECM.265"\r
+go\r
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.266"\r
+go\r
+setboard r1b1r1k1/1p1n1p2/p1nBp1p1/q2pP1Np/P7/R2B3Q/2P2PPP/5RK1 w - -\r
+solution Nxf7\r
+id "ECM.267"\r
+go\r
+setboard r1b1k2r/ppp3pp/1qp5/2b1Pp2/3Qn3/5N2/PPPBNPPP/2KR3R w kq -\r
+solution Qd8+\r
+id "ECM.268"\r
+go\r
+setboard 1k6/1p4p1/P1p5/5Q2/2q2r2/P7/8/4R2K w - -\r
+solution Re8+\r
+id "ECM.269"\r
+go\r
+setboard 6k1/1p3p2/4r1p1/1PPrbq1p/2QN4/P2R1P1P/R4KP1/8 b - -\r
+solution Bg3+\r
+id "ECM.270"\r
+go\r
+setboard 4n1q1/1k1b4/2p4R/2Pp4/1p1N1rpQ/3B4/PPP2P2/2K5 w - -\r
+solution Nxc6\r
+id "ECM.271"\r
+go\r
+setboard r2qk2r/1pp2ppp/p3pnn1/6N1/1B1P2P1/1Q2P2P/PP3PK1/R6R b kq -\r
+solution Nh4+\r
+id "ECM.272"\r
+go\r
+setboard 2kr2r1/R2p3p/2n2p2/1R3P2/2P1p3/4BQ2/1Pq4P/4K3 w - -\r
+solution Ra8+\r
+id "ECM.273"\r
+go\r
+setboard r3r1k1/pp3pp1/2bb1q2/3p4/4n1Pp/2P1BB1P/PP2NPK1/R1Q4R b - -\r
+solution Qxf3+\r
+id "ECM.274"\r
+go\r
+setboard r1br4/ppq2pk1/3bpN2/8/2P5/3n2B1/PP2QPPP/R4K1R w - -\r
+solution Qg4+\r
+id "ECM.275"\r
+go\r
+setboard 6kb/B1p2p2/5r2/1r1p2pR/6q1/3P2P1/P1P2PP1/2KR3Q b - -\r
+solution Rb1+\r
+id "ECM.276"\r
+go\r
+setboard rn4k1/pp2p1b1/4b3/q2p2Q1/2B2P2/8/P1P1K1P1/R6R w - -\r
+solution Rh8+\r
+id "ECM.277"\r
+go\r
+setboard 3k2r1/pp1b3Q/1b2pP1p/3pN2q/5B2/7B/PP2nP1K/2R5 b - -\r
+solution Rg2+\r
+id "ECM.278"\r
+go\r
+setboard 2r2rk1/pp3qpp/8/3P1b2/3Q4/P1N1B3/5PKP/R2R4 b - -\r
+solution Rxc3\r
+id "ECM.279"\r
+go\r
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -\r
+solution Nxg7\r
+id "ECM.280"\r
+go\r
+setboard 4k2r/1bqnbppp/p3p3/1p2P1N1/2r2BB1/8/PPP3PP/R2Q1R1K w k -\r
+solution Nxf7\r
+id "ECM.281"\r
+go\r
+setboard 5r1k/1pqb3p/2n5/p1pB4/2Pp1r1P/1P5P/R2N2K1/3Q1R2 b - -\r
+solution Bxh3+\r
+id "ECM.282"\r
+go\r
+setboard r4r2/pp2qk2/4pnp1/3pQ3/2p2P2/3B4/PPP2P2/2KR3R w - -\r
+solution Bxg6+\r
+id "ECM.283"\r
+go\r
+setboard 3bq3/p1n2rk1/1pp1p1p1/3pPnPp/1P1P1N1P/2PN3K/P2BQR2/8 w - -\r
+solution Nxg6\r
+id "ECM.284"\r
+go\r
+setboard b6r/2q2k2/4pPp1/1p1n2Bp/2pPB1PP/2P2Q2/8/4R1K1 w - -\r
+solution Bxg6+\r
+id "ECM.285"\r
+go\r
+setboard r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - -\r
+solution Qh6+\r
+id "ECM.286"\r
+go\r
+setboard 4k3/p4ppp/nb1P4/4p3/1P6/P4BP1/3q1r1P/2R2QKR w - -\r
+solution Qb5+\r
+id "ECM.287"\r
+go\r
+setboard r2q1rk1/pp2pp2/3pb3/3Qb2R/4P1p1/1BN1Bn2/PPP2P2/2K4R w - -\r
+solution Rh8+\r
+id "ECM.288"\r
+go\r
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -\r
+solution Nxg7\r
+id "ECM.289"\r
+go\r
+setboard 1rbk2nr/p1pp2b1/7p/2qP1pp1/2Bn4/2NKBP2/PP2N1PP/R2Q3R b - -\r
+solution Qxc4+\r
+id "ECM.290"\r
+go\r
+setboard 1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - -\r
+solution Rxb2\r
+id "ECM.291"\r
+go\r
+setboard 5rk1/ppp1q2p/1n1p1np1/3P2N1/1P1R2P1/2Q4P/P3r1B1/5RK1 b - -\r
+solution Rxg2+\r
+id "ECM.292"\r
+go\r
+setboard 6k1/pp2p2p/3p2p1/4b1r1/2Pn1r1q/2B1N3/PP4B1/R3QRK1 b - -\r
+solution Qh2+\r
+id "ECM.293"\r
+go\r
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -\r
+solution Qxg6+\r
+id "ECM.294"\r
+go\r
+setboard r2k3r/2pb1ppp/p1p1q3/2Q5/5B2/2N5/PPP2PPP/3R2K1 w - -\r
+solution Bxc7+\r
+id "ECM.295"\r
+go\r
+setboard 2r2r2/2N2pkp/2Q5/1N2p1b1/1p6/3P1qPb/PPR2P1P/4R1K1 b - -\r
+solution e4\r
+id "ECM.296"\r
+go\r
+setboard 2r1qrk1/pp1b1ppp/4pn2/n1b5/8/2NQ1NP1/PP1BPPBP/R2R2K1 w - -\r
+solution b4\r
+id "ECM.297"\r
+go\r
+setboard 2b1qr1k/7p/p1pR2p1/1pP1p1Q1/4P3/1B6/PP4PP/6K1 w - -\r
+solution Re6\r
+id "ECM.298"\r
+go\r
+setboard 1r2k2r/2p2p1b/q1Pppb1N/p2p2P1/Q2P4/P3B3/1P5P/2KRR3 b k -\r
+solution Rb4\r
+id "ECM.299"\r
+go\r
+setboard 8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - -\r
+solution Kxd5\r
+id "ECM.300"\r
+go\r
+setboard 4b1r1/1p3ppk/3r3p/p1p1qP1B/3pPN2/3P3R/nPPQ3P/6RK w - -\r
+solution Ne6\r
+id "ECM.301"\r
+go\r
+setboard 4b2k/7p/3q3P/1p1pRpr1/1P1B4/2P2Q2/7K/8 w - -\r
+solution Qg3\r
+id "ECM.302"\r
+go\r
+setboard 2kr2r1/pbp4p/1p4p1/1NqpNp2/4nQ2/8/PPPR1PPP/2K1R3 w - -\r
+solution Nc6\r
+id "ECM.303"\r
+go\r
+setboard 1rr3k1/1p1bqpbp/1R1p2p1/pN1P4/P3P1n1/1Q6/3NB1PP/2B1R1K1 b - -\r
+solution Rc3\r
+id "ECM.304"\r
+go\r
+setboard r1br4/1p3k2/p2q1p2/3N1Pp1/3Q4/8/PP4P1/4RR1K w - -\r
+solution Re6\r
+id "ECM.305"\r
+go\r
+setboard r3kbnr/p4ppp/2p1p3/8/Q1B3b1/2N1B3/PP3PqP/R3K2R w KQkq -\r
+solution Bd5\r
+id "ECM.306"\r
+go\r
+setboard 3r1rk1/2p1qp1p/pnP3p1/4n3/PP1NpR2/1BQ4P/6P1/5RK1 w - -\r
+solution Ne6\r
+id "ECM.307"\r
+go\r
+setboard r1bq1k2/5pb1/p2p1n2/2pPrP2/2p4B/3B2R1/PP1Q2PP/R5K1 w - -\r
+solution Qg5\r
+id "ECM.308"\r
+go\r
+setboard 2bq1rk1/p4pbp/p2p2p1/3P4/2p1QP2/2Pr3P/PP1N2P1/R1B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.309"\r
+go\r
+setboard r5rk/1p1bqpnp/3p1b1B/pBnPp2P/4P3/2N2Q2/PP3P2/R3KNR1 b Q -\r
+solution Nf5\r
+id "ECM.310"\r
+go\r
+setboard r3rk2/p2q1b1p/1pnP1Qp1/5pN1/2p2P2/P1P5/7P/4RRK1 w - -\r
+solution Re7\r
+id "ECM.311"\r
+go\r
+setboard r3r1k1/p1q2pp1/2p4p/7n/BPPP2N1/3Q1N2/P3n1P1/R1B4K b - -\r
+solution Nhg3+\r
+id "ECM.312"\r
+go\r
+setboard r2qrbk1/1p4pb/2n2p1p/pNpn4/2N5/PP1PPQPB/1B5P/2R2RK1 w - -\r
+solution Nbd6\r
+id "ECM.313"\r
+go\r
+setboard 5r1k/1p1b1p1p/p2ppb2/5P1B/1q6/1Pr3R1/2PQ2PP/5R1K w - -\r
+solution Qh6\r
+id "ECM.314"\r
+go\r
+setboard r1b2rk1/p3bppp/2q5/8/2p1NR2/PnB1P3/1PB1Q1PP/3R2K1 w - -\r
+solution Rd6\r
+id "ECM.315"\r
+go\r
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -\r
+solution R1b4\r
+id "ECM.316"\r
+go\r
+setboard 4r3/pp1b3k/2p2qpp/2Pp4/1P6/PBbP1N1P/2R3P1/3Q3K b - -\r
+solution Re1+\r
+id "ECM.317"\r
+go\r
+setboard 1rb2rk1/p1p2ppp/2q5/3R4/2P1N3/bP4B1/P1Q2P1P/1K5R w - -\r
+solution Bd6\r
+id "ECM.318"\r
+go\r
+setboard 8/5k1p/5PpB/3PR3/2r4P/1p3K2/2b5/8 b - -\r
+solution Re4\r
+id "ECM.319"\r
+go\r
+setboard 4r2k/3b3p/p2p4/2pP1p2/q1B2Q1P/2PK1P2/Pr1R4/7R b - -\r
+solution Re4\r
+id "ECM.320"\r
+go\r
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -\r
+solution Rd5\r
+id "ECM.321"\r
+go\r
+setboard 2R5/2R4p/5p1k/6n1/8/1P2QPPq/r7/6K1 w - -\r
+solution Rxh7+\r
+id "ECM.322"\r
+go\r
+setboard r1b1r1kb/p1qn1pnp/2p1p1p1/4P1N1/2p1NPP1/4B3/PPPQ3P/3RK2R w K -\r
+solution Qxd7\r
+id "ECM.323"\r
+go\r
+setboard 5k1r/ppqnnp2/3b2p1/2pB2Qp/3p3N/1P1P2P1/P1P2P2/2B1R1K1 w - -\r
+solution Rxe7\r
+id "ECM.324"\r
+go\r
+setboard 5rk1/5p1p/8/3pNp2/RPrqn3/1Q5P/1P3PP1/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.325"\r
+go\r
+setboard 2rr2k1/4qppp/bn6/p1bB4/4N3/6P1/PB2PP1P/2RQ1RK1 w - -\r
+solution Rxc5\r
+id "ECM.326"\r
+go\r
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -\r
+solution Rxd7\r
+id "ECM.327"\r
+go\r
+setboard 5rk1/r2nqpp1/p3p3/1p2P3/4N1pP/8/PPP3Q1/1K1R3R w - -\r
+solution Rxd7\r
+id "ECM.328"\r
+go\r
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -\r
+solution Qh6\r
+id "ECM.329"\r
+go\r
+setboard 2r2r1k/1pq1b1p1/p1b1Qn1p/8/3B4/2NB4/PPP3PP/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.330"\r
+go\r
+setboard 3rqb2/1pR3pk/p3n1pp/3p4/3B4/PP6/1P4PP/4RQK1 w - -\r
+solution Rxe6\r
+id "ECM.331"\r
+go\r
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -\r
+solution Rxc8+\r
+id "ECM.332"\r
+go\r
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -\r
+solution Rxe4\r
+id "ECM.333"\r
+go\r
+setboard r3r1k1/1p3pPp/p1p5/3bb2N/7q/1P1Q4/2PB2PP/4RRK1 w - -\r
+solution Rxe5\r
+id "ECM.334"\r
+go\r
+setboard 8/5p2/4p1k1/4P1p1/2rBRbK1/5P2/r4P2/7R b - -\r
+solution Rxd4\r
+id "ECM.335"\r
+go\r
+setboard r1bqr1k1/pp3pp1/2p4p/3PN1n1/3P1b2/2NB4/PPQ2PPP/3R1RK1 b - -\r
+solution Rxe5\r
+id "ECM.336"\r
+go\r
+setboard r3r1k1/pbqn1ppp/1p3n2/1Pb5/2p5/5N1P/PBQ1BPP1/1N1R1RK1 b - -\r
+solution Rxe2\r
+id "ECM.337"\r
+go\r
+setboard 2r2rbk/6bp/5qp1/1N1p1n2/4p3/1p5P/1P3PP1/RBBQ1RK1 b - -\r
+solution Ng3\r
+id "ECM.338"\r
+go\r
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -\r
+solution Rxc5\r
+id "ECM.339"\r
+go\r
+setboard 1k2r2r/1bpQN2p/1p6/P3p2q/4np2/2P2N2/2P2PPP/R3R1K1 b - -\r
+solution Rxe7\r
+id "ECM.340"\r
+go\r
+setboard r1k2n1r/2pb4/1p1p1qpp/p2P1p2/3N1P1P/2Q3P1/PPP1R3/2K1RB2 w - -\r
+solution Re8+\r
+id "ECM.341"\r
+go\r
+setboard r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - -\r
+solution Qf6+\r
+id "ECM.342"\r
+go\r
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -\r
+solution Nxe6\r
+id "ECM.343"\r
+go\r
+setboard 4q1r1/5kpp/2p1nb2/2PpQp2/r4P2/1N3P2/1BP1R2P/6RK w - -\r
+solution Rxg7+\r
+id "ECM.344"\r
+go\r
+setboard 2r1k2r/1pq1bppp/p3bn2/4N3/2pPN3/2P5/P3QPPP/R1B1R1K1 w k -\r
+solution Nxf6+\r
+id "ECM.345"\r
+go\r
+setboard 1r3k1r/4Rn1p/pb1p1P2/1p1q2P1/5p2/7Q/PPP1B1RP/2K5 w - -\r
+solution Rxf7+\r
+id "ECM.346"\r
+go\r
+setboard 4rrk1/ppn3pp/2pb1n1q/3p4/1P1P4/P3BNP1/2P1BPKP/R2Q1R2 b - -\r
+solution Rxe3\r
+id "ECM.347"\r
+go\r
+setboard 2b1r2k/2Q4p/4q3/1pp5/3b4/4NP2/1P3BP1/3R2K1 w - -\r
+solution Rxd4\r
+id "ECM.348"\r
+go\r
+setboard r3r1k1/pp3ppp/1qp5/2bbNQ2/5B2/2P5/PP3PPP/3RR1K1 w - -\r
+solution Rxd5\r
+id "ECM.349"\r
+go\r
+setboard 7r/3qbk1r/3p1n2/p1pPp1p1/Pp1nPpP1/1P1Q1P1B/1NP3K1/R3B2R b - -\r
+solution Nxg4\r
+id "ECM.350"\r
+go\r
+setboard r2qn1k1/1p1b3p/2pp1b2/6pQ/p1P1P3/P1N3PB/1P6/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.351"\r
+go\r
+setboard 2rq3r/5p2/p3pkbQ/3p4/3N4/2P4R/P4PP1/4R1K1 w - -\r
+solution Rf3+\r
+id "ECM.352"\r
+go\r
+setboard r4k1r/pp2pp2/3p1b2/q2PnQpp/3N4/1BP3P1/PP3PP1/3RR1K1 w - -\r
+solution Rxe5\r
+id "ECM.353"\r
+go\r
+setboard 5rk1/2p3pp/p1p4r/2P1p3/3pPnq1/1P3R1P/PN1Q3K/R5N1 b - -\r
+solution Qxf3\r
+id "ECM.354"\r
+go\r
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -\r
+solution Rxd7\r
+id "ECM.355"\r
+go\r
+setboard 2r2rk1/p3p1bp/3qP1p1/1Q1p4/P4P2/3R4/1P4PP/2B2RK1 b - -\r
+solution Rxc1\r
+id "ECM.356"\r
+go\r
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -\r
+solution Rxd4\r
+id "ECM.357"\r
+go\r
+setboard 1r6/3b1pk1/pr1p1q1p/2pPb1p1/2B1P1P1/2N2PP1/1PQ3K1/RR6 b - -\r
+solution Rxb2\r
+id "ECM.358"\r
+go\r
+setboard 2r2rk1/5ppp/1p2p3/p7/1n1R4/P1NnPN2/1P3PPP/1R4K1 b - -\r
+solution Nxb2\r
+id "ECM.359"\r
+go\r
+setboard 2r3k1/p1r1ppb1/2bp1np1/q5N1/1p1BP2Q/3P4/PP2N1PP/2R2R1K w - -\r
+solution Bxf6\r
+id "ECM.360"\r
+go\r
+setboard r3r1k1/p4ppp/2pp1b2/8/q2n1P2/2BQ3P/PPP3P1/1K1R2NR b - -\r
+solution Re3\r
+id "ECM.361"\r
+go\r
+setboard rn1kr3/pppb4/3p1q2/3P1pNn/2P2P1p/1P2Q2P/P2NR1B1/4R1K1 w - -\r
+solution Qxe8+\r
+id "ECM.362"\r
+go\r
+setboard r2q1rk1/ppp1b1pp/1nn1p3/4P3/2PP4/2N1B2P/PP1Q4/2KR1B1R b - -\r
+solution Rxf1\r
+id "ECM.363"\r
+go\r
+setboard r3k3/1pqb1p2/p3p3/4n2r/3N1Q2/2P5/PP4B1/4RRK1 w q -\r
+solution Rxe5\r
+id "ECM.364"\r
+go\r
+setboard 1rb2bk1/q4r2/pB1p1nn1/3Pp3/N3PpP1/8/1PQ1BNP1/R1R3K1 b - -\r
+solution Rxb6\r
+id "ECM.365"\r
+go\r
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -\r
+solution Rxd8\r
+id "ECM.366"\r
+go\r
+setboard r4rk1/5p2/p1b1pQpq/8/1B2P3/2NR4/PPP3PP/1K6 w - -\r
+solution Rd5\r
+id "ECM.367"\r
+go\r
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -\r
+solution Rxg6+\r
+id "ECM.368"\r
+go\r
+setboard 2rr2k1/5ppp/p1b1pn2/q1p5/P1B1PQ2/R1PN1P2/6PP/1R4K1 b - -\r
+solution Rxd3\r
+id "ECM.369"\r
+go\r
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -\r
+solution Bd8\r
+id "ECM.370"\r
+go\r
+setboard 1k2rb1r/pbp1q1pp/2pp4/2PnpP2/Q7/1P3NP1/PB5P/2KR1B1R w - -\r
+solution Rxd5\r
+id "ECM.371"\r
+go\r
+setboard 7k/p1p1r2p/1p1pnr1q/5pp1/2PPPp2/2PB1P1P/P2Q1PRK/7R b - -\r
+solution g4\r
+id "ECM.372"\r
+go\r
+setboard 5qk1/p4p2/1p3Pp1/2p4Q/3rr3/7R/PP6/6RK b - -\r
+solution Rh4\r
+id "ECM.373"\r
+go\r
+setboard 5r1k/5Bb1/3p2Pp/p1pP4/1p2Q3/4P1P1/q7/3K3R w - -\r
+solution Rxh6+\r
+id "ECM.374"\r
+go\r
+setboard 2b4B/1pp2k2/1p6/3P3n/5p1P/1P4p1/P2r2P1/R5KR b - -\r
+solution f3\r
+id "ECM.375"\r
+go\r
+setboard r3k2N/pppbq1pp/5n2/3Ppn2/2BP4/2P3bP/PP2Q1P1/RNB2K1R b q -\r
+solution Bh2\r
+id "ECM.376"\r
+go\r
+setboard r2q1r2/p1pbppbk/1p3npp/n2P2B1/7Q/2NB1N2/PPP3PP/4RRK1 w - -\r
+solution d6\r
+id "ECM.377"\r
+go\r
+setboard 5n2/3bp1r1/1r1p3k/p1p2pNp/1nP2P1P/1PN1PB1K/P5R1/6R1 w - -\r
+solution Nf7+\r
+id "ECM.378"\r
+go\r
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -\r
+solution Bxe5+\r
+id "ECM.379"\r
+go\r
+setboard r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - -\r
+solution Bc3\r
+id "ECM.380"\r
+go\r
+setboard 2r1k2r/3b1pb1/p2ppp2/2q2P2/2p1P2p/P1N2N2/1PP1Q1PP/3R1R1K w k -\r
+solution e5\r
+id "ECM.381"\r
+go\r
+setboard 3r1rk1/1pq1bppp/p7/n2RN3/P7/1P6/1B2QPPP/R5K1 w - -\r
+solution Nd7\r
+id "ECM.382"\r
+go\r
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -\r
+solution Rxc4\r
+id "ECM.383"\r
+go\r
+setboard r3bknr/1p4pp/p3Q3/q4pb1/P1Bn4/8/1PP2PPP/R1B1R1K1 w - -\r
+solution Qd6+\r
+id "ECM.384"\r
+go\r
+setboard r1b1nrk1/p2n3p/2pp4/8/2P2q1N/1PB4P/P4PB1/R2QR1K1 w - -\r
+solution Bd5+\r
+id "ECM.385"\r
+go\r
+setboard 7k/5rp1/p1bQB2p/1p4nN/4P3/1Pq5/P5PP/3R3K b - -\r
+solution Bxe4\r
+id "ECM.386"\r
+go\r
+setboard r4r1k/1bq4p/p4bp1/3pn3/NP6/Q1PBB2P/6P1/3R1RK1 b - -\r
+solution d4\r
+id "ECM.387"\r
+go\r
+setboard r2r2k1/1bq2pb1/6pp/2P1p3/1nBpN2N/6PP/2Q2P2/3RR1K1 w - -\r
+solution Nf6+\r
+id "ECM.388"\r
+go\r
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -\r
+solution Nf6+\r
+id "ECM.389"\r
+go\r
+setboard 2k1r3/Qp3pb1/2p4p/6q1/8/1P4PN/PBPn1P2/K2R4 b - -\r
+solution Qe5\r
+id "ECM.390"\r
+go\r
+setboard r3r1k1/1pp2p1b/7p/2Q5/2PP2p1/2P1NpPq/P2R1P1P/6RK b - -\r
+solution Rxe3\r
+id "ECM.391"\r
+go\r
+setboard 5bk1/5p1p/Q5p1/1B4n1/8/2q1p3/6PP/3R2K1 b - -\r
+solution e2\r
+id "ECM.392"\r
+go\r
+setboard r5k1/1p3pp1/1p3q1p/1P1bQ3/P2P3n/8/3B1PPP/R3R1K1 b - -\r
+solution Nf3+\r
+id "ECM.393"\r
+go\r
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -\r
+solution Rxa6\r
+id "ECM.394"\r
+go\r
+setboard r5kr/p3PR1p/1p1p2pq/4n3/8/3B4/P4QPP/4R1K1 w - -\r
+solution Rxe5\r
+id "ECM.395"\r
+go\r
+setboard 2bq1b2/1p3k2/1r1p1p1p/pNpP1PpP/P1P3P1/6B1/1P5Q/2K1R3 w - -\r
+solution Re6\r
+id "ECM.396"\r
+go\r
+setboard 2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - -\r
+solution Rhg8\r
+id "ECM.397"\r
+go\r
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -\r
+solution Rxd3\r
+id "ECM.398"\r
+go\r
+setboard 2r2nk1/6pp/p1rPqp2/1pP1p3/1P6/2B3R1/1P2Q1PP/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.399"\r
+go\r
+setboard 3r2k1/pb3p1p/1q4p1/2b1P3/1Pp5/2P1p1P1/P3Q1BP/R1B4K b - -\r
+solution Qc6\r
+id "ECM.400"\r
+go\r
+setboard r2rnbk1/pp3ppp/1q4n1/3p1N2/5P2/1PQB4/PBP3PP/4RR1K w - -\r
+solution Nh6+\r
+id "ECM.401"\r
+go\r
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -\r
+solution e5\r
+id "ECM.402"\r
+go\r
+setboard r1b2rk1/pp2qp2/2nRp1p1/6Pn/1Pp5/P1N1P3/1BQ2PP1/2K2B1R w - -\r
+solution Rxh5\r
+id "ECM.403"\r
+go\r
+setboard 5rr1/pp1kq1bp/2bppn2/2p3B1/4N3/2NP2P1/PPP4P/R3QRK1 b - -\r
+solution Nxe4\r
+id "ECM.404"\r
+go\r
+setboard 1r1q1k2/R4pp1/5p1r/1p1p1n1p/3Pb2N/1BP5/2P1Q1PP/4R1K1 w - -\r
+solution Qxe4\r
+id "ECM.405"\r
+go\r
+setboard R2b2k1/2rq1n1p/3p2p1/1p1Ppp1n/1P6/1B1PQN1P/1B3PP1/6K1 w - -\r
+solution Nxe5\r
+id "ECM.406"\r
+go\r
+setboard r1b3kr/bp3ppp/p1nNp3/4P3/P1Q2P2/BBP5/5qPP/R2R3K w - -\r
+solution Nxc8\r
+id "ECM.407"\r
+go\r
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -\r
+solution Rxc4\r
+id "ECM.408"\r
+go\r
+setboard 4r1k1/1p5p/5ppP/1qnP4/r4R2/P6P/1B1Q2K1/5R2 w - -\r
+solution Rxf6\r
+id "ECM.409"\r
+go\r
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -\r
+solution e6\r
+id "ECM.410"\r
+go\r
+setboard r4rk1/1b4bp/p1npq1P1/R3p3/8/1N2BP2/1PPQ2P1/4KB1R w K -\r
+solution Qxd6\r
+id "ECM.411"\r
+go\r
+setboard 6k1/pbq2pp1/4r2p/8/3prb2/1P1Q3P/PN2BPP1/3RRK2 b - -\r
+solution Bd2\r
+id "ECM.412"\r
+go\r
+setboard 6k1/2p3p1/2b4p/p4P2/2pR2PK/2P1r2P/1B6/8 b - -\r
+solution Bg2\r
+id "ECM.413"\r
+go\r
+setboard r1b2rk1/pp2ppbp/2np1np1/q7/4P3/2N1BN2/PPPQBPPP/2KR3R b - -\r
+solution Nxe4\r
+id "ECM.414"\r
+go\r
+setboard 3r1rk1/p1q4p/1p3bp1/3bnp2/3B4/1NPB3P/P1PQ2P1/1R2R2K b - -\r
+solution Nf3\r
+id "ECM.415"\r
+go\r
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -\r
+solution Ng5\r
+id "ECM.416"\r
+go\r
+setboard 1r1q2k1/7p/2p3p1/1P1n1b1r/2BQ4/4B3/P6P/1R3RK1 w - -\r
+solution bxc6\r
+id "ECM.417"\r
+go\r
+setboard r3kbnr/1ppb3p/p1q1pp2/3p4/3P4/2N2N2/PPP2PPP/R1BQ1RK1 w kq -\r
+solution Ne5\r
+id "ECM.418"\r
+go\r
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.419"\r
+go\r
+setboard 3rr1k1/1p1qb2p/pP4p1/2p2p2/4RQ2/3P4/1PPB2PP/4R1K1 w - -\r
+solution Bc3\r
+id "ECM.420"\r
+go\r
+setboard 2b2r2/rpp2pkp/3pq3/2pR2P1/2n1P1N1/2P2B2/1P3Q1P/1K5R b - -\r
+solution Qxd5\r
+id "ECM.421"\r
+go\r
+setboard 6k1/rnqb3p/5ppQ/2pPp3/p1N1P3/2PB3P/5PP1/1R4K1 w - -\r
+solution f4\r
+id "ECM.422"\r
+go\r
+setboard 7r/pp4k1/3pn1p1/q1pB1b2/2P5/5NR1/1P3PP1/2Q3K1 w - -\r
+solution b4\r
+id "ECM.423"\r
+go\r
+setboard 5r2/4prkp/3q2p1/2pP1n2/N1Q2R2/1P4PP/P5K1/4R3 b - -\r
+solution g5\r
+id "ECM.424"\r
+go\r
+setboard B1b1rbk1/5ppp/pq6/1p2n3/2p2P2/6PP/PPQ4K/R1BR4 b - -\r
+solution Ng4+\r
+id "ECM.425"\r
+go\r
+setboard 8/2R4p/2R3bk/8/5N1P/1p3PP1/2pqP1K1/8 w - -\r
+solution g4\r
+id "ECM.426"\r
+go\r
+setboard 6k1/p4p1p/3pqp2/2p1r3/2Pnr1N1/P6P/1P1Q1PP1/3R1RK1 b - -\r
+solution Ne2+\r
+id "ECM.427"\r
+go\r
+setboard 1kqr3r/p1p4p/RpQP4/2P1p3/4B3/4Bp2/P4P1P/6K1 b - -\r
+solution Rdg8+\r
+id "ECM.428"\r
+go\r
+setboard 6k1/3Q1pp1/4p2p/p2pP3/1p1P2P1/nP1R1N2/q1r2PKP/8 w - -\r
+solution Qe8+\r
+id "ECM.429"\r
+go\r
+setboard 6k1/5pp1/p5r1/3Np2q/4P2p/1r3P1Q/n4P1P/3R2RK w - -\r
+solution Rxg6\r
+id "ECM.430"\r
+go\r
+setboard nr2rb2/3q1kpp/3p4/pnpPpNBP/2N1P3/3Q4/PP3P2/2K3RR w - -\r
+solution Nh6+\r
+id "ECM.431"\r
+go\r
+setboard r3k1r1/1pp2ppp/pb1p1qn1/4p2b/2B1P3/N1PP1NPP/PP2QPK1/R4R2 b q -\r
+solution Nh4+\r
+id "ECM.432"\r
+go\r
+setboard 1n2n1r1/r3qppk/p2p3p/3PpP1P/1P2P3/3B2RQ/3B1P1K/6R1 w - -\r
+solution Bxh6\r
+id "ECM.433"\r
+go\r
+setboard r2b4/pb2q1k1/np1p2r1/1N1Pp2Q/PPN1Pp2/8/2R2BPp/2R4K w - -\r
+solution Ncxd6\r
+id "ECM.434"\r
+go\r
+setboard r7/2qnb1kp/p2p1nP1/1p1Pp1p1/6N1/3BB2Q/PPP4P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.435"\r
+go\r
+setboard n1rqk3/1p2p3/1n1pP1p1/pP1P1p1r/3B3P/1BN3p1/3Q4/R3K2R w KQ -\r
+solution Qg5\r
+id "ECM.436"\r
+go\r
+setboard rn2kr2/pp1b1pQp/3Pp3/qB1n4/3N4/P7/1PP2PPP/2KR3R w q -\r
+solution Nxe6\r
+id "ECM.437"\r
+go\r
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -\r
+solution Bh4\r
+id "ECM.438"\r
+go\r
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -\r
+solution Bf8\r
+id "ECM.439"\r
+go\r
+setboard 4rr1k/pbp3bp/3p4/1p5q/3n4/1B1Q2B1/PP1N1N1P/4RRK1 b - -\r
+solution Rf3\r
+id "ECM.440"\r
+go\r
+setboard r3k2r/pp2ppbp/1qp5/2n2b2/2P5/4BN2/PP1QBP1P/2KR3R b kq -\r
+solution Nb3+\r
+id "ECM.441"\r
+go\r
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -\r
+solution Ng6+\r
+id "ECM.442"\r
+go\r
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -\r
+solution Qb2\r
+id "ECM.443"\r
+go\r
+setboard 2r3k1/n3qppp/1B1r1n2/N7/N4P2/1Q4PP/P5B1/R1b4K b - -\r
+solution Qe1+\r
+id "ECM.444"\r
+go\r
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -\r
+solution Qxg5+\r
+id "ECM.445"\r
+go\r
+setboard rnb2k2/ppbp2p1/2p2pB1/8/1PN5/2P5/P4PPP/R1B3K1 w - -\r
+solution Bf4\r
+id "ECM.446"\r
+go\r
+setboard 2k5/1p1b4/2n1p1r1/7q/4RP2/3BQN2/2P2K1P/8 w - -\r
+solution f5\r
+id "ECM.447"\r
+go\r
+setboard 2k3r1/1ppr3p/p1pB2q1/6n1/N3Pp2/8/PPP1Q1PP/3R1RK1 b - -\r
+solution f3\r
+id "ECM.448"\r
+go\r
+setboard r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - -\r
+solution Rxh2+\r
+id "ECM.449"\r
+go\r
+setboard 6r1/6rk/3p3p/p2Rp3/R1PqPp1b/2N2Q2/6PP/7K b - -\r
+solution Rxg2\r
+id "ECM.450"\r
+go\r
+setboard 4r1k1/1p2rq1p/2bQpp2/p1Pp4/3P4/P3RN2/5PPP/4R1K1 w - -\r
+solution Ne5\r
+id "ECM.451"\r
+go\r
+setboard b2b1r1k/3R1ppp/4qP2/4p1PQ/4P3/5B2/4N1KP/8 w - -\r
+solution g6\r
+id "ECM.452"\r
+go\r
+setboard 1k4q1/1p2Rprp/p1p5/2Pp4/1P1Q3P/6P1/P5K1/8 w - -\r
+solution Qe5+\r
+id "ECM.453"\r
+go\r
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -\r
+solution Ng6+\r
+id "ECM.454"\r
+go\r
+setboard r4r1k/p2bN2p/1p1p1p2/2q4P/3Q4/1P6/1PP3P1/1K2R2R w - -\r
+solution Ng6+\r
+id "ECM.455"\r
+go\r
+setboard 2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - -\r
+solution h4\r
+id "ECM.456"\r
+go\r
+setboard r1b2k1r/1p2qp2/pN1p1n2/2pP2pp/P2bP1P1/2N5/1P2BPP1/R2Q1RK1 b - -\r
+solution hxg4\r
+id "ECM.457"\r
+go\r
+setboard 6nk/p4rrp/1p1p1p2/1q1Pp2R/4B1P1/1PP2Q1R/P6P/7K w - -\r
+solution g5\r
+id "ECM.458"\r
+go\r
+setboard r1b1k2r/6pp/p1p1p3/3np1B1/1b2N3/8/q1PQB1PP/3RK2R w Kkq -\r
+solution Qxb4\r
+id "ECM.459"\r
+go\r
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -\r
+solution Bxh5\r
+id "ECM.460"\r
+go\r
+setboard 2r3k1/4qpp1/2p1r3/pbQpN1Pp/3P1P1P/4P3/PP6/1KR3R1 w - -\r
+solution Qxb5\r
+id "ECM.461"\r
+go\r
+setboard 4r2k/p2Q3p/2p1r1p1/4NpR1/3P4/2P1PP1b/P4q1P/6RK w - -\r
+solution Nxg6+\r
+id "ECM.462"\r
+go\r
+setboard 4r1kb/p2r4/1np1p1p1/3nP1Bp/1p3P1R/1B2qP2/PPPN3Q/2K4R w - -\r
+solution Rxh5\r
+id "ECM.463"\r
+go\r
+setboard 2rq2k1/pp1bpp1p/3p1np1/8/3NPPnQ/1BP5/P1P3P1/1K1R3R w - -\r
+solution e5\r
+id "ECM.464"\r
+go\r
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -\r
+solution Rxd5\r
+id "ECM.465"\r
+go\r
+setboard 2r1kr2/p1qbbp1Q/3pp3/5p2/1p1N1PB1/6P1/PPP4P/K2RR3 w - -\r
+solution Bxf5\r
+id "ECM.466"\r
+go\r
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -\r
+solution Rf6\r
+id "ECM.467"\r
+go\r
+setboard 2rr2k1/5pn1/1b2q1pp/pP1pP3/2pP1PP1/2R1B2P/2Q3B1/3R3K w - -\r
+solution f5\r
+id "ECM.468"\r
+go\r
+setboard 2Q2bkr/5p2/1rb5/1pN1n1qB/1P1pPN2/6P1/5P2/R1R3K1 w - -\r
+solution Nce6\r
+id "ECM.469"\r
+go\r
+setboard 2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - -\r
+solution Nc3+\r
+id "ECM.470"\r
+go\r
+setboard 2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - -\r
+solution Nxf5+\r
+id "ECM.471"\r
+go\r
+setboard 1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - -\r
+solution Ne6\r
+id "ECM.472"\r
+go\r
+setboard r7/pp4pk/2n3qp/5p2/3p4/P4QB1/1PP1RPPP/6K1 b - -\r
+solution d3\r
+id "ECM.473"\r
+go\r
+setboard 2r2r1k/1p3p1p/p2p1Pp1/3Pp3/1q2Bn1Q/8/1PP3PP/4RR1K w - -\r
+solution Rxf4\r
+id "ECM.474"\r
+go\r
+setboard r4rk1/5ppp/p7/4PR2/P1qnp2Q/4B3/1P4PP/5RK1 w - -\r
+solution Rh5\r
+id "ECM.475"\r
+go\r
+setboard 4r3/pb3pk1/6p1/8/6P1/1PNrB2K/P4P1P/2R5 b - -\r
+solution Rexe3+\r
+id "ECM.476"\r
+go\r
+setboard 1r3kr1/p3q1b1/3p2Q1/2p2p2/2P2N2/4Pn2/PB6/K2R3R w - -\r
+solution Ne6+\r
+id "ECM.477"\r
+go\r
+setboard 5r1k/6bp/3p1q2/3Q1nP1/8/6P1/PP3BKP/R2N4 b - -\r
+solution Ne3+\r
+id "ECM.478"\r
+go\r
+setboard 1r1q1k1r/Q4ppp/2B2n2/8/Pbbp4/1P4P1/2PP1P1P/R1B1K2R b KQ -\r
+solution Qe8+\r
+id "ECM.479"\r
+go\r
+setboard 5rk1/p1p1R1p1/1p5p/8/2pP1P2/3n2P1/PP2Q2P/5KNq b - -\r
+solution Nxf4\r
+id "ECM.480"\r
+go\r
+setboard r5k1/1N3ppp/4b3/1Nq5/Pn3pn1/5B2/1PPQ3P/R6K b - -\r
+solution Qxb5\r
+id "ECM.481"\r
+go\r
+setboard 1r2k2r/1bq2pp1/pn2p2p/1p2P1b1/3N4/2N3Q1/PPP3PP/1K1R1BR1 w k -\r
+solution Bxb5+\r
+id "ECM.482"\r
+go\r
+setboard r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - -\r
+solution Nxh6\r
+id "ECM.483"\r
+go\r
+setboard 2r2r2/p4p1k/1p2pBpn/2p5/6N1/8/P4P2/R3R1K1 w - -\r
+solution Kg2\r
+id "ECM.484"\r
+go\r
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -\r
+solution Bg5\r
+id "ECM.485"\r
+go\r
+setboard 3rn1k1/pp3ppp/6b1/2p1Q3/2P1P3/P4P2/1B1qBP1P/1R5K w - -\r
+solution Rd1\r
+id "ECM.486"\r
+go\r
+setboard 4r1k1/5ppp/p1q3b1/1ppNr3/2P1P3/1P4QP/P4PP1/4RRK1 w - -\r
+solution f4\r
+id "ECM.487"\r
+go\r
+setboard 2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - -\r
+solution Bh3\r
+id "ECM.488"\r
+go\r
+setboard 2b3k1/5qp1/p2r1n1p/3p4/3B4/1RP3QP/P2Nr1P1/3R2K1 b - -\r
+solution Ne4\r
+id "ECM.489"\r
+go\r
+setboard 6k1/5rp1/4Nb1p/2p5/4Q3/1r5P/q5P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.490"\r
+go\r
+setboard 1r2r1k1/p4ppb/q1pbnn1p/4p3/N1P1P3/pPB2NP1/2Q1RPBP/R5K1 b - -\r
+solution Nxe4\r
+id "ECM.491"\r
+go\r
+setboard r4r2/1pnqb2k/3p1p1p/p1pPpPpP/2P1N1P1/4BP2/PP1Q4/R2R2K1 w - -\r
+solution Bxc5\r
+id "ECM.492"\r
+go\r
+setboard rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - -\r
+solution Nf6+\r
+id "ECM.493"\r
+go\r
+setboard 6kr/1p1r1p1p/p2pnPpQ/3Np2R/2q1P3/5P2/PPP5/2KR4 w - -\r
+solution Rxe5\r
+id "ECM.494"\r
+go\r
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -\r
+solution Nd6\r
+id "ECM.495"\r
+go\r
+setboard r2q1rk1/pp1n2pp/2pb4/1P1p3n/P1PPpP2/4P2b/1BNNBP1P/R2QR1K1 b - -\r
+solution Nxf4\r
+id "ECM.496"\r
+go\r
+setboard rq1r2k1/3nbp1p/p2p2p1/1p1Pp1P1/3B1P2/3B3Q/PPP4P/2KR2R1 w - -\r
+solution f5\r
+id "ECM.497"\r
+go\r
+setboard r4rk1/1bq1bppp/8/p2pPR2/3B4/1NnP3Q/1P4PP/4R1K1 w - -\r
+solution Rh5\r
+id "ECM.498"\r
+go\r
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -\r
+solution Nxh5\r
+id "ECM.499"\r
+go\r
+setboard r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - -\r
+solution f3\r
+id "ECM.500"\r
+go\r
+setboard 4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - -\r
+solution Nxf3\r
+id "ECM.501"\r
+go\r
+setboard r2qkr2/1p3pQp/2p1b3/1B1pN3/1p6/8/1P1K1PPP/2B1R3 w q -\r
+solution Nxc6\r
+id "ECM.502"\r
+go\r
+setboard r3rk2/pb2bpp1/1n5p/q1pP1B2/1p3B2/5N2/PPQ2PPP/R2R2K1 w - -\r
+solution Bc8\r
+id "ECM.503"\r
+go\r
+setboard r1bqr2k/ppp2p1p/5b2/3Pn1p1/1PP1Bp2/8/PB2N1PP/R2Q1RK1 w - -\r
+solution Nxf4\r
+id "ECM.504"\r
+go\r
+setboard 1q4k1/p3rppp/3b1n2/8/5P2/4P3/PP1B3P/RNQ3K1 b - -\r
+solution Bxf4\r
+id "ECM.505"\r
+go\r
+setboard r3k2r/1p1b1p2/p3p3/2b3p1/4N1n1/1B5P/PPP3P1/R1B2R1K b kq -\r
+solution Bc6\r
+id "ECM.506"\r
+go\r
+setboard r3kb1r/npqbpp1p/p3n1p1/P3P3/6N1/3B1NB1/1PP3PP/R3QRK1 w kq -\r
+solution Ng5\r
+id "ECM.507"\r
+go\r
+setboard 7k/p6p/4bppb/1N6/P2p1p2/1PrP2P1/2r1P2P/1R1Q2K1 b - -\r
+solution f3\r
+id "ECM.508"\r
+go\r
+setboard 2kr4/pp1r1pp1/4n1p1/4R3/2Pp1qP1/3P2QP/5PB1/1R4K1 w - -\r
+solution Rc5+\r
+id "ECM.509"\r
+go\r
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -\r
+solution Rxe6\r
+id "ECM.510"\r
+go\r
+setboard r2qkn1r/pb2bp2/1pp1p3/5p1p/2BPN3/5NQ1/PPP2PPP/1K1RR3 w kq -\r
+solution d5\r
+id "ECM.511"\r
+go\r
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -\r
+solution Nxf5\r
+id "ECM.512"\r
+go\r
+setboard 3r3k/p4npp/1p2qpb1/4P3/5P2/P3N3/1B2QP1P/6RK w - -\r
+solution exf6\r
+id "ECM.513"\r
+go\r
+setboard 6rk/1b2bp1p/ppq1p3/2p1Pp2/P1Br1P2/1PNR2P1/2P1QK1P/6R1 b - -\r
+solution Rxf4+\r
+id "ECM.514"\r
+go\r
+setboard r3r1k1/p1q2pp1/b1pb3p/n7/B3n3/2P1BN2/PP1N1PPP/R2QK2R b KQ -\r
+solution Nxc3\r
+id "ECM.515"\r
+go\r
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -\r
+solution Bxf6\r
+id "ECM.516"\r
+go\r
+setboard r5n1/pppb1B2/2k1pb2/3p2B1/5P2/2N5/PPP3P1/2KR4 w - -\r
+solution Nxd5\r
+id "ECM.517"\r
+go\r
+setboard 2b2q2/r2n2kp/1n1p1pp1/p1pP4/1pP1NPN1/1P1B4/P5PP/Q3R1K1 w - -\r
+solution Nexf6\r
+id "ECM.518"\r
+go\r
+setboard 1k1r2r1/p1p3q1/2p2p2/3pn3/1P1b2bB/1QN5/P4PPP/1R2RBK1 b - -\r
+solution Nf3+\r
+id "ECM.519"\r
+go\r
+setboard r3k2r/1bq1bp1p/p2p1np1/1p2p3/3NP3/P1N2QB1/1PP2PPP/3RR1K1 w kq -\r
+solution Ndxb5\r
+id "ECM.520"\r
+go\r
+setboard r2q4/5p1P/2p1bR2/ppk1p1P1/3pB2Q/8/PPP5/6K1 w - -\r
+solution g6\r
+id "ECM.521"\r
+go\r
+setboard r3kb1r/pp1b1pp1/4p3/2q3Qp/5B2/2PB4/P4PPP/R3R1K1 w kq -\r
+solution Rxe6+\r
+id "ECM.522"\r
+go\r
+setboard 1rbr2k1/p4pp1/5b1p/2p1p3/3qPP2/1PNB2PP/PKP2Q2/5R1R b - -\r
+solution c4\r
+id "ECM.523"\r
+go\r
+setboard r3r1k1/p6p/bp4p1/2bPN3/6n1/6P1/PB2RPB1/3R2K1 w - -\r
+solution d6\r
+id "ECM.524"\r
+go\r
+setboard 2bk3r/3r2pp/p2nQ3/q2R2P1/1p6/8/PPP2P1P/1K3B1R b - -\r
+solution Qxd5\r
+id "ECM.525"\r
+go\r
+setboard 3r1k2/1q1r1pp1/3p2bp/p2N4/8/2P1RQ1P/P4PP1/4R1K1 w - -\r
+solution Nf6\r
+id "ECM.526"\r
+go\r
+setboard 3q3r/p2r1pkp/bp1N1np1/n2p4/5Q2/B1P5/P4PPP/R3R1K1 w - -\r
+solution Nf5+\r
+id "ECM.527"\r
+go\r
+setboard r4Nk1/1p2pp1p/p1np2p1/3N4/P3PPn1/8/1bPKBqPP/R2Q1R2 b - -\r
+solution Qd4+\r
+id "ECM.528"\r
+go\r
+setboard 1kb3rr/1p2n2q/1Np2p2/1p6/1P1N1P1p/8/2P1RQPP/R6K w - -\r
+solution Nxb5\r
+id "ECM.529"\r
+go\r
+setboard r3r1k1/p3Rp1p/1qp1bQ2/8/1p1P4/3R4/PP3PPP/6K1 w - -\r
+solution Rg3+\r
+id "ECM.530"\r
+go\r
+setboard rn4k1/pp2rpb1/2pNb1pp/4p3/P3Pq2/2P2N1P/1PB1QPP1/R3R1K1 w - -\r
+solution Nf5\r
+id "ECM.531"\r
+go\r
+setboard 3r1rk1/pp3ppp/8/2p5/4PB1n/P1P2qPP/Q3RP1K/6R1 b - -\r
+solution Qg2+\r
+id "ECM.532"\r
+go\r
+setboard r4rn1/ppp1q3/2bp2kp/6P1/3QpP2/2N5/PPP1B3/2KR3R w - -\r
+solution f5+\r
+id "ECM.533"\r
+go\r
+setboard 3qr2r/1p1bppk1/3p2p1/p1nP1PQp/3N3R/1P4PP/P1P3BK/4R3 w - -\r
+solution Ne6+\r
+id "ECM.534"\r
+go\r
+setboard 2rq1rk1/1b1nbpp1/1p5p/p2pNB2/3p1N2/4P3/PPQ2PPP/2RR2K1 w - -\r
+solution Bh7+\r
+id "ECM.535"\r
+go\r
+setboard 8/5pkp/2pp2p1/4P3/1P2P3/2QBq2P/2PnNnPK/8 b - -\r
+solution Nf1+\r
+id "ECM.536"\r
+go\r
+setboard r3r2k/pb2q1p1/1p2Nn1p/2b5/2B5/2P2P2/PPQ3PP/4RR1K w - -\r
+solution Nf4\r
+id "ECM.537"\r
+go\r
+setboard r1b2nk1/ppq2ppp/8/1BP1p1NQ/5p2/8/PP3PPP/3R2K1 w - -\r
+solution Rd7\r
+id "ECM.538"\r
+go\r
+setboard 6k1/5qp1/pN5p/3pRp2/3QnP2/2r4P/r5P1/6RK b - -\r
+solution Qh5\r
+id "ECM.539"\r
+go\r
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -\r
+solution Nf5+\r
+id "ECM.540"\r
+go\r
+setboard 6rk/p2b4/3p1Nqp/2pPpn2/P1P4p/5P1P/Q2B1NP1/6RK b - -\r
+solution Ng3+\r
+id "ECM.541"\r
+go\r
+setboard r4r1k/pppb2pp/8/3q4/2N5/P1P2nQ1/BP2R2P/R6K b - -\r
+solution Ne1+\r
+id "ECM.542"\r
+go\r
+setboard r5rk/1pp1n1pp/p1n1b1q1/3p1p2/7R/2QB1N2/PB3PPP/4R1K1 w - -\r
+solution Rxe6\r
+id "ECM.543"\r
+go\r
+setboard 8/4Ppk1/6p1/1p6/1Pb1Q3/6pq/8/6K1 w - -\r
+solution Qe5+\r
+id "ECM.544"\r
+go\r
+setboard 3R4/4Qpk1/4p1p1/7p/7K/5rP1/5P2/2q5 w - -\r
+solution Qf8+\r
+id "ECM.545"\r
+go\r
+setboard 8/5pk1/p6p/2R5/3q2p1/6P1/2Q3PK/4r3 w - -\r
+solution Rg5+\r
+id "ECM.546"\r
+go\r
+setboard 1Q4R1/8/P1b2p2/2p2k2/2P5/5p2/1r5P/4R1K1 b - -\r
+solution f2+\r
+id "ECM.547"\r
+go\r
+setboard 5r1k/1q2R3/8/6Q1/8/8/6P1/7K b - -\r
+solution Rf1+\r
+id "ECM.548"\r
+go\r
+setboard 8/4p3/8/3P3p/P2pK3/6P1/7b/3k4 w - -\r
+solution d6\r
+id "ECM.549"\r
+go\r
+setboard 3Q4/k3K3/q7/2N1P3/1P6/5r2/8/8 b - -\r
+solution Rf7+\r
+id "ECM.550"\r
+go\r
+setboard 3k4/p1p5/8/2p1p3/4P3/PpPP2K1/1P6/8 b - -\r
+solution c4\r
+id "ECM.551"\r
+go\r
+setboard 6r1/5p1k/4p3/3pQp2/1p1P1P1q/1P3RR1/7r/5K2 w - -\r
+solution Rxg8\r
+id "ECM.552"\r
+go\r
+setboard r1b2rk1/ppp2ppp/2n3q1/b2N2N1/2BP4/4p2P/PPP3P1/R2Q1RK1 w - -\r
+solution Nxf7\r
+id "ECM.553"\r
+go\r
+setboard 1r4k1/3qb2p/pr1pppn1/2p2N2/2P2PQ1/1P4P1/P2R2BP/R5K1 w - -\r
+solution Bd5\r
+id "ECM.554"\r
+go\r
+setboard r6r/pR1nqkpp/2p1p3/3p4/6Q1/2b4P/P1PP1PP1/2B1R1K1 w - -\r
+solution Rxe6\r
+id "ECM.555"\r
+go\r
+setboard 1k1r3r/ppq2pnp/1npbb1p1/3p4/3P1NP1/2NBP2P/PPQ2P1B/1KR4R w - -\r
+solution Nb5\r
+id "ECM.556"\r
+go\r
+setboard 5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - -\r
+solution Bxh4\r
+id "ECM.557"\r
+go\r
+setboard r5r1/4q2k/p2p3p/5p2/4p3/P2QR3/1PP2PPP/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.558"\r
+go\r
+setboard r1b2rk1/4bnpp/2p5/pp2q3/4N3/PQ2B1P1/1PP3BP/4RRK1 w - -\r
+solution Ng5\r
+id "ECM.559"\r
+go\r
+setboard 2rr2k1/1p3p2/p2n2p1/P2PnNq1/3QP1p1/1RN5/6PP/5RK1 b - -\r
+solution Nf3+\r
+id "ECM.560"\r
+go\r
+setboard r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q -\r
+solution Nxe4\r
+id "ECM.561"\r
+go\r
+setboard 2r2rk1/pp2bppp/3q1n2/3nNRB1/3P4/1B5Q/PP4PP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.562"\r
+go\r
+setboard r1bq1rk1/1pp2ppn/1pnp3p/3N4/2B1PN2/3P4/PPP3PP/R2Q1RK1 w - -\r
+solution Ng6\r
+id "ECM.563"\r
+go\r
+setboard r1b2rk1/pp3p1p/2pq2pn/2nNN3/2B1QP2/8/P1PP2PP/R1B1K2R w KQ -\r
+solution Nxf7\r
+id "ECM.564"\r
+go\r
+setboard 1r2r1k1/1bn2pbp/pp1q1np1/2pPN1B1/P1B5/2N4P/1P1Q1PP1/R3R1K1 w - -\r
+solution Nxf7\r
+id "ECM.565"\r
+go\r
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -\r
+solution Rxc5\r
+id "ECM.566"\r
+go\r
+setboard r1b3k1/2pq2pp/p4p2/1p1Nr3/2n2R2/1B6/PPQ2PPP/R5K1 w - -\r
+solution Rxc4\r
+id "ECM.567"\r
+go\r
+setboard 2rq1rk1/3bbppp/p3pn2/1p1pN3/2nP1B2/P1NBP2Q/1P3PPP/2R2RK1 w - -\r
+solution Nxd5\r
+id "ECM.568"\r
+go\r
+setboard 2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - -\r
+solution Nxc1\r
+id "ECM.569"\r
+go\r
+setboard 1r4nk/3b2bp/3p4/3P3p/2pNPq2/P1N2p1P/1P3Q2/1R4KR b - -\r
+solution Rxb2\r
+id "ECM.570"\r
+go\r
+setboard 2r5/p3kpp1/P2p4/1P2pP1p/1P2PqnP/6R1/r2N2P1/3RQ1K1 b - -\r
+solution Rxd2\r
+id "ECM.571"\r
+go\r
+setboard 2br2k1/1p2qppp/r1n1p3/pQ1nN3/P2P4/2B3P1/1P3PBP/2RR2K1 w - -\r
+solution Qxa6\r
+id "ECM.572"\r
+go\r
+setboard 5rk1/3q2bp/3pb2r/1p1n1p2/3p1P2/P2B1QN1/1P1B2PP/2R1R1K1 w - -\r
+solution Nxf5\r
+id "ECM.573"\r
+go\r
+setboard 4r1k1/1ppQr1p1/1p1p1pP1/3P3p/7P/1P3q2/P1P5/1KRR4 w - -\r
+solution Re1\r
+id "ECM.574"\r
+go\r
+setboard 2Rr2k1/7p/4pqp1/p4p2/1p1P1Q1P/8/PP3PP1/6K1 w - -\r
+solution Qe5\r
+id "ECM.575"\r
+go\r
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -\r
+solution Rc1\r
+id "ECM.576"\r
+go\r
+setboard 5rk1/bp4p1/p2rp2p/8/8/2PN4/PP1R1PPP/3R2K1 b - -\r
+solution e5\r
+id "ECM.577"\r
+go\r
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -\r
+solution Bh3\r
+id "ECM.578"\r
+go\r
+setboard n1bq3k/pp4bp/6p1/5pP1/3p1P2/1B1P4/PB3Q1P/4R1K1 w - -\r
+solution Bxd4\r
+id "ECM.579"\r
+go\r
+setboard r3r1k1/p2n4/3p1pp1/qnp3B1/1p2P1P1/1P3P2/PP2N2Q/1K1R1B2 w - -\r
+solution Nf4\r
+id "ECM.580"\r
+go\r
+setboard 6k1/pb3ppp/1p2p3/4P3/5P2/P1r5/1q4PP/1B2Q1RK b - -\r
+solution Rc1\r
+id "ECM.581"\r
+go\r
+setboard 2rq1kbR/4R1p1/3p3r/pp1P1Pp1/6P1/3B4/PPP1Q3/6K1 w - -\r
+solution f6\r
+id "ECM.582"\r
+go\r
+setboard 2r5/5kb1/4ppp1/pp1qB3/2rP4/1RP2R1Q/P4PP1/6K1 b - -\r
+solution Rh8\r
+id "ECM.583"\r
+go\r
+setboard 4k3/4Bp2/1p2nP1P/2p5/2K1b1B1/8/P7/8 w - -\r
+solution Bf3\r
+id "ECM.584"\r
+go\r
+setboard 3rr1k1/ppp1qp1p/3b2p1/4np1P/1P1N1Pn1/P1P4R/1B1NB3/R2Q1K2 b - -\r
+solution Nf3\r
+id "ECM.585"\r
+go\r
+setboard 1k1r3r/ppqb4/5Ppp/3p4/P2np3/3BR1Q1/2PB1PPP/R5K1 w - -\r
+solution Rxe4\r
+id "ECM.586"\r
+go\r
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -\r
+solution Nxc6\r
+id "ECM.587"\r
+go\r
+setboard 8/2R2pbk/6pp/1p2pq2/1P2Qn2/3P3P/3B1PP1/r3N1K1 b - -\r
+solution Nxd3\r
+id "ECM.588"\r
+go\r
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -\r
+solution h3\r
+id "ECM.589"\r
+go\r
+setboard r2b1rnk/1p4qp/p1p1b1p1/2PpNp2/PP1PnP1Q/3BB2R/4N1PP/R6K w - -\r
+solution Qxh7+\r
+id "ECM.590"\r
+go\r
+setboard r1b2rk1/1p3pbp/2p3p1/p1q5/1P6/1Q4P1/1P2PPBP/R1B1R1K1 b - -\r
+solution Be6\r
+id "ECM.591"\r
+go\r
+setboard 4r1k1/r1q2p1p/p5pB/1pbBpN1n/1n2P3/5Q2/PP3PPP/R1R3K1 w - -\r
+solution Rxc5\r
+id "ECM.592"\r
+go\r
+setboard r1r3k1/ppnbb1pp/2ppp1q1/1P3p2/P1PPn3/2N2NP1/2Q1PPBP/1RB2RK1 w - -\r
+solution Nxe4\r
+id "ECM.593"\r
+go\r
+setboard r1b1k2r/2q1bppp/p3p3/1p1nP1B1/3Q4/2N5/PPP1B1PP/2KR3R w kq -\r
+solution Bxe7\r
+id "ECM.594"\r
+go\r
+setboard 1rb1r1k1/p1p1qppp/2pb4/8/2P3n1/4P1P1/PB2BP1P/R1QN1RK1 b - -\r
+solution Nxh2\r
+id "ECM.595"\r
+go\r
+setboard 2rqk1nr/pp3ppp/2n1p3/2b5/3N4/2NQB1P1/PP2PPKP/R4R2 w k -\r
+solution Nxe6\r
+id "ECM.596"\r
+go\r
+setboard rnb2rk1/pp4pp/2pb1n2/3N1p1q/2P5/3N2P1/P1Q1PPBP/R1B2RK1 w - -\r
+solution Bf4\r
+id "ECM.597"\r
+go\r
+setboard 8/8/1p1k4/5ppp/PPK1p3/6P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.598"\r
+go\r
+setboard 8/5pp1/7p/5P1P/2p3P1/2k5/5P2/2K5 w - -\r
+solution f6\r
+id "ECM.599"\r
+go\r
+setboard 7k/8/1p1ppp1p/1Pp5/2P2P2/8/3P2PP/6K1 w - -\r
+solution f5\r
+id "ECM.600"\r
+go\r
+setboard 8/p5k1/2p2p2/4p1p1/1p2P3/1P4PP/1PP5/5K2 b - -\r
+solution g4\r
+id "ECM.601"\r
+go\r
+setboard 8/5K2/kp6/p1p5/P2p4/1P3P2/2P5/8 b - -\r
+solution b5\r
+id "ECM.602"\r
+go\r
+setboard 8/2k3p1/2p4p/5P2/2K3PP/8/8/8 w - -\r
+solution g5\r
+id "ECM.603"\r
+go\r
+setboard 8/1kp1b3/1p4K1/4P2p/P1P3p1/5pP1/P4P2/4B3 b - -\r
+solution h4\r
+id "ECM.604"\r
+go\r
+setboard 8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - -\r
+solution g5\r
+id "ECM.605"\r
+go\r
+setboard 8/8/3K1k2/5p1p/4p1p1/4P1P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.606"\r
+go\r
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -\r
+solution Bxg6\r
+id "ECM.607"\r
+go\r
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -\r
+solution Rxc6\r
+id "ECM.608"\r
+go\r
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -\r
+solution f6\r
+id "ECM.609"\r
+go\r
+setboard 2kr3r/ppp1qpp1/2p5/2b2b2/2P1pPP1/1P2P1p1/PBQPB3/RN2K1R1 b Q -\r
+solution Rh1\r
+id "ECM.610"\r
+go\r
+setboard 1r3qk1/pb3p1p/1pn2PpQ/2pN4/3r4/5B2/PPP4P/4RRK1 w - -\r
+solution Ne7+\r
+id "ECM.611"\r
+go\r
+setboard 4r1k1/5p1p/3q2p1/1p1P4/1P6/2p4P/2Q1nPB1/4RK2 b - -\r
+solution Ng3+\r
+id "ECM.612"\r
+go\r
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -\r
+solution e5\r
+id "ECM.613"\r
+go\r
+setboard 5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -\r
+solution Qxf7+\r
+id "ECM.614"\r
+go\r
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -\r
+solution b5\r
+id "ECM.615"\r
+go\r
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -\r
+solution Rxa6\r
+id "ECM.616"\r
+go\r
+setboard 3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - -\r
+solution Rxa6\r
+id "ECM.617"\r
+go\r
+setboard 8/p3q1k1/6p1/1p3nP1/2pp1QBr/P2P4/1PP2K2/R7 b - -\r
+solution Qe3+\r
+id "ECM.618"\r
+go\r
+setboard 7k/4b2p/5p1P/5PP1/1pNp1P2/1P1B4/2P2K2/r7 w - -\r
+solution g6\r
+id "ECM.619"\r
+go\r
+setboard 5r1k/1p1b2rP/p2p4/3P3B/P2P4/5pP1/1P2pP2/R3R1K1 b - -\r
+solution Rxg3+\r
+id "ECM.620"\r
+go\r
+setboard 6B1/2p2pp1/2p5/p3K3/1k6/nP4P1/5P1P/8 b - -\r
+solution Nc4+\r
+id "ECM.621"\r
+go\r
+setboard 3q1k2/5p2/p5pN/1b2Q2P/8/8/5PPK/8 w - -\r
+solution Qh8+\r
+id "ECM.622"\r
+go\r
+setboard 6k1/p3b1pp/4p3/4Pp2/Pp1r1P1P/1P4P1/2p2R2/5RK1 b - -\r
+solution Rc4\r
+id "ECM.623"\r
+go\r
+setboard 4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - -\r
+solution Qe6\r
+id "ECM.624"\r
+go\r
+setboard 2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - -\r
+solution Nxe6\r
+id "ECM.625"\r
+go\r
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -\r
+solution Ba6\r
+id "ECM.626"\r
+go\r
+setboard 3rr1k1/pppRn1pp/4Pp2/1P5q/1QB5/4P3/P4P1P/4K1R1 w - -\r
+solution Qxe7\r
+id "ECM.627"\r
+go\r
+setboard rn1q2k1/pp3pb1/3p2pp/2pP2N1/3r1P2/7Q/PP4PP/R1B2RK1 w - -\r
+solution Nxf7\r
+id "ECM.628"\r
+go\r
+setboard 8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - -\r
+solution b2+\r
+id "ECM.629"\r
+go\r
+setboard 5bk1/r4ppp/1r1P1n2/2p2N2/b7/2B3P1/5PBP/R3R1K1 w - -\r
+solution Bxf6\r
+id "ECM.630"\r
+go\r
+setboard 8/8/8/P2k1p2/2N5/1pb2P2/4P3/2K5 w - -\r
+solution a6\r
+id "ECM.631"\r
+go\r
+setboard 3qr1k1/p4ppp/1p1P4/2r1nN2/4P2n/P7/1B4P1/3QRRK1 w - -\r
+solution d7\r
+id "ECM.632"\r
+go\r
+setboard 6k1/5pbp/6p1/2p1r3/1pPr4/3n2NP/1PB2PP1/1R1R2K1 b - -\r
+solution Nxb2\r
+id "ECM.633"\r
+go\r
+setboard 4r3/p4pk1/6p1/P1pB2Pp/2P3b1/2p1N1P1/Qb1r1P2/6K1 b - -\r
+solution Rxe3\r
+id "ECM.634"\r
+go\r
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -\r
+solution Nxa7\r
+id "ECM.635"\r
+go\r
+setboard r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - -\r
+solution Rxf6\r
+id "ECM.636"\r
+go\r
+setboard r3qr1k/1b4pp/p2RQ3/Bp2p3/4p3/6P1/PPP2P1P/3R2K1 b - -\r
+solution Qh5\r
+id "ECM.637"\r
+go\r
+setboard 8/6kP/6p1/1p1pP3/pP6/P1n2K2/2N5/8 w - -\r
+solution e6\r
+id "ECM.638"\r
+go\r
+setboard 8/Pb6/8/8/7K/5k1p/6pB/8 b - -\r
+solution g1=Q\r
+id "ECM.639"\r
+go\r
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -\r
+solution Rxb2\r
+id "ECM.640"\r
+go\r
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -\r
+solution cxb6\r
+id "ECM.641"\r
+go\r
+setboard 6k1/p4pbp/Bp2p1p1/n2P4/q3P3/B1rQP3/P5PP/5RK1 w - -\r
+solution dxe6\r
+id "ECM.642"\r
+go\r
+setboard 5r2/R4p2/5P1k/4PK2/1p6/8/8/8 w - -\r
+solution Rxf7\r
+id "ECM.643"\r
+go\r
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -\r
+solution f5\r
+id "ECM.644"\r
+go\r
+setboard 1r6/3r1Pk1/p2p1np1/5q2/1p3P2/1B5R/PPP4Q/1K1R4 w - -\r
+solution Rh8\r
+id "ECM.645"\r
+go\r
+setboard 8/2k5/2p5/2pb2K1/pp4P1/1P1R4/P7/8 b - -\r
+solution Bxb3\r
+id "ECM.646"\r
+go\r
+setboard 2r5/1r5k/1P3p2/PR2pP1p/4P2p/2p1BP2/1p2n3/4R2K b - -\r
+solution Nd4\r
+id "ECM.647"\r
+go\r
+setboard 4r2k/p2qr1pp/1pp2p2/2p1nP1N/4R3/1P1P2RP/1PP2QP1/7K w - -\r
+solution Rxg7\r
+id "ECM.648"\r
+go\r
+setboard 6k1/p4p2/5Ppp/3RP3/Pr4P1/2p2K2/7P/8 w - -\r
+solution Rd8+\r
+id "ECM.649"\r
+go\r
+setboard 8/1R2P3/6k1/3B4/2P2P2/1p2r3/1Kb4p/8 w - -\r
+solution Be6\r
+id "ECM.650"\r
+go\r
+setboard 2kr2r1/pp2bQ1p/2b1P3/2qN4/8/1B2p2P/PPP3P1/3R1R1K b - -\r
+solution e2\r
+id "ECM.651"\r
+go\r
+setboard r1b2rk1/1p2qppp/p3p3/2n5/3N4/3B1R2/PPP1Q1PP/R5K1 w - -\r
+solution Bxh7+\r
+id "ECM.652"\r
+go\r
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -\r
+solution Bb5\r
+id "ECM.653"\r
+go\r
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.654"\r
+go\r
+setboard 6rk/3nrpbp/p1bq1npB/1p2p1N1/4P1PQ/P2B3R/1PP1N2P/5R1K w - -\r
+solution Nxh7\r
+id "ECM.655"\r
+go\r
+setboard 1rb2rk1/3nqppp/p1n1p3/1p1pP3/5P2/2NBQN2/PPP3PP/2KR3R w - -\r
+solution Bxh7+\r
+id "ECM.656"\r
+go\r
+setboard 2k5/ppp3pp/8/NQ2n2q/2Pp1n2/R4bP1/1P3P1P/4R1K1 b - -\r
+solution Qxh2+\r
+id "ECM.657"\r
+go\r
+setboard 5rrk/1p3qpp/p3pn2/2PpBp2/3P1P1Q/P1P1R2R/2b1B1PP/6K1 w - -\r
+solution Qxh7+\r
+id "ECM.658"\r
+go\r
+setboard r4rk1/1bq2ppp/p1p1p3/2b1P1B1/3p2Q1/3B4/PPP2PPP/R3R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.659"\r
+go\r
+setboard r4rk1/pb1q1ppp/2N1p3/2Rn4/3P4/3BPQ2/1P3PPP/2R3K1 w - -\r
+solution Bxh7+\r
+id "ECM.660"\r
+go\r
+setboard r5rk/1p1q1p1p/5pn1/p2p1N1Q/3P2P1/PP2R3/5P1P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.661"\r
+go\r
+setboard 2r2r2/p2qppkp/3p2p1/3P1P2/2n2R2/7R/P5PP/1B1Q2K1 w - -\r
+solution Rxh7+\r
+id "ECM.662"\r
+go\r
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -\r
+solution Rxh7\r
+id "ECM.663"\r
+go\r
+setboard 4rrk1/2q1bppp/p2p4/1p1Pn3/3B1R2/P2B2Q1/1PP3PP/5R1K w - -\r
+solution Bxh7+\r
+id "ECM.664"\r
+go\r
+setboard r1b2rk1/2q1bppp/p1n1p3/1p1np1P1/5P2/1NNBBQ2/PPP4P/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.665"\r
+go\r
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -\r
+solution Nxh7\r
+id "ECM.666"\r
+go\r
+setboard r4rk1/pp2q1p1/4b2p/2ppb3/6n1/2P3N1/PPQBBPPP/R4RK1 b - -\r
+solution Nxh2\r
+id "ECM.667"\r
+go\r
+setboard b3r1k1/2rN1ppp/2n1p3/p7/P3BP2/1R6/q1P2QPP/3R2K1 w - -\r
+solution Bxh7+\r
+id "ECM.668"\r
+go\r
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -\r
+solution Qxh7+\r
+id "ECM.669"\r
+go\r
+setboard r1b1rnk1/pp1nb1pp/2p1pp2/q3N3/2PP1P2/3BP1N1/PBQ3PP/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.670"\r
+go\r
+setboard 4r1k1/2q2r1p/p3bQ2/1p4Bp/2np4/8/PPB2PP1/3RR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.671"\r
+go\r
+setboard 5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - -\r
+solution Bxh7+\r
+id "ECM.672"\r
+go\r
+setboard 2rqr1k1/1p1bbppp/p3p3/n7/3P2Q1/2PB1N2/P4PPP/R1B1R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.673"\r
+go\r
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -\r
+solution Nxh7\r
+id "ECM.674"\r
+go\r
+setboard rn1q1rk1/pb1p1ppp/4p3/2pnP3/1bp5/2N2N2/PP3PPP/RBBQK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.675"\r
+go\r
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -\r
+solution Rxh7\r
+id "ECM.676"\r
+go\r
+setboard r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.677"\r
+go\r
+setboard rnq3rk/4bp1p/p1p3pQ/1p1pP3/1P1N1B2/2P3R1/1P3PPP/R5K1 w - -\r
+solution e6\r
+id "ECM.678"\r
+go\r
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -\r
+solution Nxh7\r
+id "ECM.679"\r
+go\r
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.680"\r
+go\r
+setboard 1r2nrkb/2n2p1p/p2p1Pp1/P1pPp1P1/1pP1P1q1/1P1BB1N1/3Q4/2KR3R w - -\r
+solution Rxh7\r
+id "ECM.681"\r
+go\r
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -\r
+solution Bxh7+\r
+id "ECM.682"\r
+go\r
+setboard r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 b - -\r
+solution Rxh2\r
+id "ECM.683"\r
+go\r
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -\r
+solution Nxh7\r
+id "ECM.684"\r
+go\r
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -\r
+solution Rxh7\r
+id "ECM.685"\r
+go\r
+setboard r2qn1k1/pb4Pp/1pn5/2p5/2P2p2/P1PB4/5PPP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.686"\r
+go\r
+setboard r4rk1/pp1n1ppp/3qp3/3nN1P1/b2P4/P2B1Q2/3B1P1P/1R2R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.687"\r
+go\r
+setboard r2r2k1/ppqbbppp/4pn2/6N1/n1P4P/3B1N2/PP2QPP1/1KBR3R w - -\r
+solution Nxh7\r
+id "ECM.688"\r
+go\r
+setboard r5k1/6bp/2q1p1p1/p2pP3/3P4/1rP2QP1/3B1PK1/2R4R w - -\r
+solution Rxh7\r
+id "ECM.689"\r
+go\r
+setboard r6r/4ppk1/p2p1bp1/B2p4/3P2p1/QP2P3/P1R1qPPP/2R3K1 b - -\r
+solution Rxh2\r
+id "ECM.690"\r
+go\r
+setboard 4nrk1/r4p1p/p2p2pQ/2pPpNPP/qpn1P3/5P1R/PPP1N3/2K3R1 w - -\r
+solution Qxh7+\r
+id "ECM.691"\r
+go\r
+setboard r3k2r/1b1n1p2/pq1p1bp1/1p4p1/P3P3/1NN5/1PP3PP/R2QRB1K b kq -\r
+solution Rxh2+\r
+id "ECM.692"\r
+go\r
+setboard r2qrnk1/4bppp/b1p5/1p1p2P1/p2P1N1P/2NBP3/PPQ2P2/2K3RR w - -\r
+solution Bxh7+\r
+id "ECM.693"\r
+go\r
+setboard rn1q1rk1/pppbb1pp/4p3/3pP1p1/3P3P/2NB4/PPP2PP1/R2QK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.694"\r
+go\r
+setboard 1r2nr1k/6pp/pp1p1p2/2pPnN2/q1P1PB2/5PR1/4K1P1/2Q4R w - -\r
+solution Bxe5\r
+id "ECM.695"\r
+go\r
+setboard 3r1rk1/4qp1p/p1bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -\r
+solution Bxh2+\r
+id "ECM.696"\r
+go\r
+setboard r2q1rk1/3n1ppp/8/1pbP2P1/p1N4P/PnBBPQ2/5P2/R3K2R w KQ -\r
+solution Bxh7+\r
+id "ECM.697"\r
+go\r
+setboard 2k3r1/ppq2p1p/n1Pb1p2/8/6r1/4BN1b/PPQ2PPP/R3RBK1 b - -\r
+solution Bxh2+\r
+id "ECM.698"\r
+go\r
+setboard 3qr1k1/1br2ppp/p2b4/8/PpNp4/3P4/1PP2PPP/R1BQ1RK1 b - -\r
+solution Bxh2+\r
+id "ECM.699"\r
+go\r
+setboard 3r2k1/p1R2p2/4pQp1/1q5p/5P1P/1PR5/2Pr2P1/6K1 b - -\r
+solution Rxg2+\r
+id "ECM.700"\r
+go\r
+setboard r1b4r/3p1kp1/pp3q1p/4RP2/8/B7/P5PP/4QRK1 w - -\r
+solution Qe4\r
+id "ECM.701"\r
+go\r
+setboard 1r2rnk1/2R2bpp/p2q4/1p1N2R1/5P2/1Q1B3P/PP4P1/7K w - -\r
+solution Rxg7+\r
+id "ECM.702"\r
+go\r
+setboard 3r2k1/pb5p/1p2qpp1/8/2p5/1P1nP3/P1N2PPP/1Q1R1R1K b - -\r
+solution Bxg2+\r
+id "ECM.703"\r
+go\r
+setboard 4rrk1/2qb2pp/p5P1/1p2p3/1b2P3/2N5/PPPQ4/1K1R2R1 w - -\r
+solution gxh7+\r
+id "ECM.704"\r
+go\r
+setboard 3q1k2/pp3ppn/2p1n2p/4pN1N/P3P2P/5Q2/1PP2PP1/6K1 w - -\r
+solution Nhxg7\r
+id "ECM.705"\r
+go\r
+setboard 2r2r1k/3b1pb1/p3pp1p/q2p1P1B/8/2N2RR1/P1PQ2PP/7K w - -\r
+solution Rxg7\r
+id "ECM.706"\r
+go\r
+setboard 5bk1/1p4p1/4N1R1/3p4/p1r2P1q/Pr1QP2P/1P6/1K4R1 w - -\r
+solution Rxg7+\r
+id "ECM.707"\r
+go\r
+setboard 2r1r1k1/5ppp/p3pn2/1pb1N3/2P5/1PQ3R1/PB2qPPP/3R2K1 w - -\r
+solution Rxg7+\r
+id "ECM.708"\r
+go\r
+setboard 7k/1bp1P1p1/3p2rp/1pb2p1q/5P2/1BP2N1P/1P4P1/R1B2R1K b - -\r
+solution Rxg2\r
+id "ECM.709"\r
+go\r
+setboard r1q1bk1r/1p3pp1/4pn1p/p3Q3/P1P2N2/1B4R1/1P3PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.710"\r
+go\r
+setboard r4rk1/p2n2p1/1q1Qpn1p/1P6/P6B/2p5/2B1KP1P/R5R1 w - -\r
+solution Rxg7+\r
+id "ECM.711"\r
+go\r
+setboard r2qr1k1/1p3ppp/2pb4/2Np4/1P1P2bn/3BP3/2QN1PPP/1RR3K1 b - -\r
+solution Nxg2\r
+id "ECM.712"\r
+go\r
+setboard r3r1k1/pp3pp1/3p4/2q4p/2P5/1PB2Q1P/n4PP1/3R1RK1 w - -\r
+solution Bxg7\r
+id "ECM.713"\r
+go\r
+setboard r5k1/pn1q1rpp/2pp4/5R1N/bP6/4BQ2/P4PPP/2R3K1 w - -\r
+solution Nxg7\r
+id "ECM.714"\r
+go\r
+setboard 3r1rk1/5pp1/pq1n1n1p/2pPR3/2B2P2/1PBQ2RP/P5P1/6K1 w - -\r
+solution Rxg7+\r
+id "ECM.715"\r
+go\r
+setboard rn3rk1/ppq2ppp/2pb1nb1/5N2/2BP4/8/PPP1N1P1/R1B1QR1K w - -\r
+solution Nxg7\r
+id "ECM.716"\r
+go\r
+setboard r1qb1r1k/2p3pp/p1n1bp2/1p1Np2Q/P3P3/1BP3R1/1P3PPP/R1B3K1 w - -\r
+solution Rxg7\r
+id "ECM.717"\r
+go\r
+setboard r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - -\r
+solution Rxg7+\r
+id "ECM.718"\r
+go\r
+setboard 4q1k1/1b3r1p/p4pp1/1p6/2P2n2/1P3N2/1B3PPP/R2Q3K b - -\r
+solution Nxg2\r
+id "ECM.719"\r
+go\r
+setboard r2r3k/5bp1/2p2N2/5P1p/3q3Q/3B2R1/n5PP/3R3K w - -\r
+solution Rxg7\r
+id "ECM.720"\r
+go\r
+setboard 4rrk1/2pn2pb/p1p1qp2/1pb1pN2/P3P1PN/1P1P4/1BP2PK1/R2Q3R w - -\r
+solution Nxg7\r
+id "ECM.721"\r
+go\r
+setboard r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - -\r
+solution Rg3\r
+id "ECM.722"\r
+go\r
+setboard r4rk1/1p1q1ppp/p1b4B/8/2R3R1/P2P4/1b1N1QPP/6K1 w - -\r
+solution Bxg7\r
+id "ECM.723"\r
+go\r
+setboard rq3rk1/3b1ppp/p2bp3/3pB2Q/8/1B5P/PP3PP1/2RR2K1 w - -\r
+solution Bxg7\r
+id "ECM.724"\r
+go\r
+setboard 4kbr1/pp1bpp1p/3p1p2/3N4/1PBQP3/q7/P1r2PPP/R4RK1 b - -\r
+solution Rxg2+\r
+id "ECM.725"\r
+go\r
+setboard 2r3k1/1p2R1p1/p3n2p/2pq4/7P/1P1P2P1/PB1Q3K/8 w - -\r
+solution Bxg7\r
+id "ECM.726"\r
+go\r
+setboard 2rr2k1/4bppp/p1n1p3/3q4/1p1P2N1/2P3R1/P3QPPP/2B2RK1 w - -\r
+solution Nh6+\r
+id "ECM.727"\r
+go\r
+setboard rq1r1bk1/1b3pp1/3pn2p/1n2BN1P/1P2P3/3R1NP1/3Q1PB1/2R3K1 w - -\r
+solution Bxg7\r
+id "ECM.728"\r
+go\r
+setboard r1b5/ppqn2bk/3R2pp/2p2p2/2P1rN2/4BN2/PPQ2PPP/4R1K1 w - -\r
+solution Rxg6\r
+id "ECM.729"\r
+go\r
+setboard 3q1r2/1p1b1pk1/pn5p/3pN1pQ/3P3P/2r3B1/P4PP1/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.730"\r
+go\r
+setboard r1bqkbnr/pp2ppp1/2p4p/3n2N1/2BP4/5N2/PPP2PPP/R1BQK2R w KQkq -\r
+solution Nxf7\r
+id "ECM.731"\r
+go\r
+setboard r2qr1k1/1ppb1p1p/p1np2p1/7Q/3PP2b/1B2N2P/PP3PP1/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.732"\r
+go\r
+setboard 2r3k1/pbq1np1p/1p1b1Bp1/8/6QP/2P2N2/B4PP1/4R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.733"\r
+go\r
+setboard r3r1k1/1bqn1ppp/1pp2p2/8/3P4/1B4N1/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.734"\r
+go\r
+setboard r3r1k1/pp3ppp/8/1Nbp3q/3NnBn1/2P5/PPQ2PPP/3R1RK1 b - -\r
+solution Ngxf2\r
+id "ECM.735"\r
+go\r
+setboard r2r2k1/1b2qpp1/1p2n3/p1b1p2p/4P1n1/PP1B2PP/1B1NQP2/R3NRK1 b - -\r
+solution Nxf2\r
+id "ECM.736"\r
+go\r
+setboard r2qr1k1/1b2bp1p/p3p1p1/1p2N1Bn/3P4/P6Q/1P3PPP/RB2R1K1 w - -\r
+solution Nxf7\r
+id "ECM.737"\r
+go\r
+setboard r5k1/1pp3pp/1b1p1r2/pN1P1n2/P1P3nq/6N1/1P1B1PQP/4RRK1 b - -\r
+solution Nxf2\r
+id "ECM.738"\r
+go\r
+setboard 2rqnk1r/pp2bpp1/2p1pn1p/2P1N2P/3P1BP1/3BQ3/PP6/2K2R1R w - -\r
+solution Nxf7\r
+id "ECM.739"\r
+go\r
+setboard 2rq1rk1/1b2bppp/p1n5/1p1BN3/5B2/P7/1P3PPP/R2Q1RK1 w - -\r
+solution Nd7\r
+id "ECM.740"\r
+go\r
+setboard 3r1qrk/p1p5/bbp3pp/4p3/4Pp1N/2Pn3P/PPQN1PPB/R4RK1 b - -\r
+solution Nxf2\r
+id "ECM.741"\r
+go\r
+setboard r2qr1k1/pb2bp1p/1pn1p1pB/8/2BP4/P1P2N2/4QPPP/3R1RK1 w - -\r
+solution d5\r
+id "ECM.742"\r
+go\r
+setboard r3r1k1/1bq1nppp/p1np4/1ppBpN2/4P3/2PP1N2/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.743"\r
+go\r
+setboard r5k1/p4ppp/3qpb2/1P2N3/1nBP4/1P5P/4QPP1/4R1K1 w - -\r
+solution Nxf7\r
+id "ECM.744"\r
+go\r
+setboard r2qr1k1/1b1nbp1p/p3pp2/1p2N3/3P4/3B1N2/PP2QPPP/R2R2K1 w - -\r
+solution Nxf7\r
+id "ECM.745"\r
+go\r
+setboard r3k2r/p1qb1p2/1p2p2p/3pPpN1/P1nP3Q/8/2P2PPP/R1B1R1K1 w kq -\r
+solution Nxf7\r
+id "ECM.746"\r
+go\r
+setboard 3qNk2/5p1p/1r3p2/2p5/Q1pb4/3b2P1/P4PBP/4R1K1 b - -\r
+solution Bxf2+\r
+id "ECM.747"\r
+go\r
+setboard 2r1r1k1/1pq1bp1p/p3pnp1/P2n2N1/7R/2P4P/1PB1QPP1/2B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.748"\r
+go\r
+setboard r1bq2k1/pp1n1ppp/3b1n2/PQ1B3r/3N1P2/2N5/1PP3PP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.749"\r
+go\r
+setboard 2r1r1k1/5ppp/pq3b2/2pB1P2/2p2B2/5Q1P/Pn3PP1/2R1R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.750"\r
+go\r
+setboard r4rk1/ppRn1p2/6pb/2P1pq1p/3N4/P1QPn1Pb/1B1NPP1P/4R1KB b - -\r
+solution Qxf2+\r
+id "ECM.751"\r
+go\r
+setboard r3kr2/1b2qp2/pp2p2N/4p2Q/8/2n5/P3B1PP/3R1R1K w q -\r
+solution Nxf7\r
+id "ECM.752"\r
+go\r
+setboard b2r1rk1/pq2bpp1/1p2p2p/4N2n/2P2R2/1PB2N2/1P2QPPP/4R1K1 w - -\r
+solution Rxf7\r
+id "ECM.753"\r
+go\r
+setboard rqb1k2r/1p1nbp1p/p4pp1/8/1PBN1P2/P1N1P3/7P/2RQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.754"\r
+go\r
+setboard r2r2k1/4ppbp/5np1/p1q5/QnB1P3/5N2/1P3PPP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.755"\r
+go\r
+setboard 1r2q1k1/p3pp2/3p1bp1/2pP2N1/8/P5PB/2Q2PK1/1rBR4 w - -\r
+solution Nxf7\r
+id "ECM.756"\r
+go\r
+setboard 2rqrbk1/pb1n1p1p/1p2pnp1/4N3/2BP1N2/1P2Q3/PB3PPP/3R1RK1 w - -\r
+solution Nxf7\r
+id "ECM.757"\r
+go\r
+setboard 1r4k1/p4pp1/bqnrpn1p/2ppN3/2P2P1B/P3P3/1P2B1PP/1Q1R1RK1 w - -\r
+solution Bxf6\r
+id "ECM.758"\r
+go\r
+setboard r1bqrbk1/5p1p/2pp2nB/pp5Q/4P3/PBNPR2P/1P4P1/R5K1 w - -\r
+solution Bxf7+\r
+id "ECM.759"\r
+go\r
+setboard r1bqkb1r/1p3ppp/pn1P1n2/4p3/2B5/2N2N2/PP3PPP/R1BQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.760"\r
+go\r
+setboard 2rqr1k1/pp2nppp/3p2b1/6B1/2BNn1Q1/P7/1PP2PPP/2KRR3 w - -\r
+solution Bxf7+\r
+id "ECM.761"\r
+go\r
+setboard r3r1k1/pbq1ppbp/1pp2np1/4N3/3P4/2P5/PPB1QPPP/R1B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.762"\r
+go\r
+setboard r1b2rk1/p6p/2p3Pb/3pp1q1/8/2PB4/PP3PP1/RN1Q1K1R b - -\r
+solution Rxf2+\r
+id "ECM.763"\r
+go\r
+setboard r2rn3/1p3pk1/p1pNn1pp/q3P3/P7/1PN4P/2QR1PP1/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.764"\r
+go\r
+setboard r1bqr1k1/1p1nnpb1/p5pp/2P1p1B1/B3N3/5N2/P4PPP/2RQR1K1 w - -\r
+solution Nd6\r
+id "ECM.765"\r
+go\r
+setboard r1b1r1k1/pp2qpbp/2p3p1/2P5/3NnB2/7P/PPQ1PPB1/2RR2K1 b - -\r
+solution Nxf2\r
+id "ECM.766"\r
+go\r
+setboard rn2r1k1/pp3p1p/3P2p1/2p1bbB1/2B5/2N5/Pq4PP/R2Q1RK1 w - -\r
+solution Bxf7+\r
+id "ECM.767"\r
+go\r
+setboard 5rk1/r2qnppp/p1nN4/2Q5/3PB3/4P3/6PP/R4RK1 w - -\r
+solution Nxf7\r
+id "ECM.768"\r
+go\r
+setboard 1bq2k2/1b1n1pp1/pp5p/2pBpN2/P3P2B/3Q1P2/1PP3PP/4K3 w - -\r
+solution Bxf7\r
+id "ECM.769"\r
+go\r
+setboard rnb2rk1/pp3pbp/2p3pB/2q5/4P3/1BN5/PPP3PP/R2Q1R1K w - -\r
+solution Rxf7\r
+id "ECM.770"\r
+go\r
+setboard 3qr1k1/1br1bp1p/p3p1pB/1p1nN3/3PB3/7Q/PP3PPP/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.771"\r
+go\r
+setboard 1qr1b1k1/4bpp1/pn2p2p/1p1nN3/3P4/P2BBN1Q/1P3PPP/4R1K1 w - -\r
+solution Bxh6\r
+id "ECM.772"\r
+go\r
+setboard rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - -\r
+solution Bxh6\r
+id "ECM.773"\r
+go\r
+setboard r2r2k1/pb1nbpp1/1qp1pn1p/1p2N3/3P1B2/P1N1P3/BPQ2PPP/2R2RK1 w - -\r
+solution Bxh6\r
+id "ECM.774"\r
+go\r
+setboard 2r5/1p4bk/3p2rp/4pN2/1P2P1pR/2P2q2/QP6/1K5R w - -\r
+solution Rxh6+\r
+id "ECM.775"\r
+go\r
+setboard r1b1r3/pp2Npbk/3pp2p/q5p1/2QNPP2/6P1/PPP3P1/2KR3R w - -\r
+solution Ndf5\r
+id "ECM.776"\r
+go\r
+setboard r1q3r1/1ppQ2pk/3bNp1p/p3pP2/P3P3/7R/1PP3PP/3R2K1 w - -\r
+solution Rxh6+\r
+id "ECM.777"\r
+go\r
+setboard 4r1k1/p1pq1pp1/2p5/3p1b2/Q7/2P1B2P/P1P1rPP1/2R2RK1 b - -\r
+solution Bxh3\r
+id "ECM.778"\r
+go\r
+setboard 1rbqnr2/5p1k/p1np3p/1p1Np3/4P2P/1Q2B3/PPP1BP2/2KR3R w - -\r
+solution Bxh6\r
+id "ECM.779"\r
+go\r
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.780"\r
+go\r
+setboard 3r1r1k/p5p1/n1p2p1p/1qp2b2/N1R4R/1PB1P1P1/P2P3P/3Q2K1 w - -\r
+solution Rxh6+\r
+id "ECM.781"\r
+go\r
+setboard r4rk1/2q1b1p1/p4p1p/n3pP2/1p2Q1N1/4B3/PPP3PP/4RR1K w - -\r
+solution Nxh6+\r
+id "ECM.782"\r
+go\r
+setboard 6rk/3b1n1p/1p1q3b/1PpNp3/2P1Pp2/2Q2NrP/5RP1/2R2B1K b - -\r
+solution Bxh3\r
+id "ECM.783"\r
+go\r
+setboard r2q1rk1/ppp2pp1/1b2b2p/3n3Q/2Bp4/3P1N2/PPP2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.784"\r
+go\r
+setboard r3rbk1/1bp1qpp1/p6p/np2p2Q/4P2N/1BP4P/PP3PP1/R1B1R1K1 w - -\r
+solution Bg5\r
+id "ECM.785"\r
+go\r
+setboard 4q3/p2r1ppk/R6p/3n4/3B1Q2/4P2P/5PP1/6K1 w - -\r
+solution Rxh6+\r
+id "ECM.786"\r
+go\r
+setboard 7r/1p2qk2/pQ1p2p1/3Ppp2/P4b2/2P2PrP/1P2R1B1/4R2K b - -\r
+solution Rhxh3+\r
+id "ECM.787"\r
+go\r
+setboard 5rk1/Qp5p/3pp1p1/4n3/2P1P2q/5r1P/P3NPP1/3R1RK1 b - -\r
+solution Rxh3\r
+id "ECM.788"\r
+go\r
+setboard 2r1r1k1/pb1n1pp1/1p1qpn1p/4N1B1/2PP4/3B4/P2Q1PPP/3RR1K1 w - -\r
+solution Bxh6\r
+id "ECM.789"\r
+go\r
+setboard 3q1rk1/p2bbpp1/1rn4p/1pp2P2/3pBBP1/3P3P/PPPQ3N/R4RK1 w - -\r
+solution Bxh6\r
+id "ECM.790"\r
+go\r
+setboard 2br2k1/4qppp/p5r1/2pBp3/2P1Pn2/4Q2P/RP3PPK/1N4R1 b - -\r
+solution Bxh3\r
+id "ECM.791"\r
+go\r
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -\r
+solution Bxh6\r
+id "ECM.792"\r
+go\r
+setboard r5r1/pbn4k/1p1p1Ppp/2pPn3/4BQq1/1PN3P1/PB3PK1/3R1R2 w - -\r
+solution Qxh6+\r
+id "ECM.793"\r
+go\r
+setboard r1b2rk1/pp2bpp1/4p2p/2q4Q/5nNB/2PB4/PP3PPP/2KR3R w - -\r
+solution Nxh6+\r
+id "ECM.794"\r
+go\r
+setboard 6k1/p4ppp/1pn1b1rr/8/PBpPp2q/2P1P1NP/5PP1/RR3QK1 b - -\r
+solution Bxh3\r
+id "ECM.795"\r
+go\r
+setboard r1b2rk1/1p3pp1/p5Pp/2bpPp1Q/3N4/1Pq1B1R1/2P4P/3R2K1 w - -\r
+solution Bxh6\r
+id "ECM.796"\r
+go\r
+setboard r2r2k1/pp1n1bp1/2p2p1p/b4N2/q2BR3/2QB2PP/1PP5/2KR4 w - -\r
+solution Nxh6+\r
+id "ECM.797"\r
+go\r
+setboard 3r2bk/1q4p1/p2P1N1p/2p1rP2/pb5R/7P/1P4P1/2Q2RK1 w - -\r
+solution Rxh6+\r
+id "ECM.798"\r
+go\r
+setboard 2b1rk2/r6p/1pP1p1p1/p2pNnR1/5Q2/P1B4q/1PP2P1P/1K4R1 w - -\r
+solution Nxg6+\r
+id "ECM.799"\r
+go\r
+setboard 6R1/6Q1/3q2p1/5p1p/P3p1k1/1P1r2P1/5PK1/8 b - -\r
+solution Rxg3+\r
+id "ECM.800"\r
+go\r
+setboard r6r/ppnqpk2/3pbpp1/5N2/1PP1P3/5RR1/P2QB1PP/6K1 w - -\r
+solution Nh6+\r
+id "ECM.801"\r
+go\r
+setboard 3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -\r
+solution Rfxg6+\r
+id "ECM.802"\r
+go\r
+setboard 2b2r1k/2p3pp/2Nb4/pP5q/2PP4/P4pP1/5P1P/R1BQ2K1 b - -\r
+solution Bxg3\r
+id "ECM.803"\r
+go\r
+setboard r1bq2k1/pp3r1p/2n1p1p1/3pP3/6Q1/2PB2P1/P4PK1/R1B4R w - -\r
+solution Bxg6\r
+id "ECM.804"\r
+go\r
+setboard 3q1rk1/2r4p/n1p1n1pQ/p2pP3/Np1P2R1/5PN1/PP3KP1/2R5 w - -\r
+solution Rxg6+\r
+id "ECM.805"\r
+go\r
+setboard 2Nq1rk1/6pp/b1p2b2/p6Q/np1p4/6P1/PB3PBP/R3R1K1 w - -\r
+solution Be4\r
+id "ECM.806"\r
+go\r
+setboard r2r4/p4pk1/2p3p1/1p1nPR2/5p1Q/2N5/PPPq4/1K4R1 w - -\r
+solution e6\r
+id "ECM.807"\r
+go\r
+setboard 2kr3r/pbq3p1/1p2pp2/2b4n/2P1B3/1P1N2Pp/PB2QP1P/R4RK1 b - -\r
+solution Nxg3\r
+id "ECM.808"\r
+go\r
+setboard r5k1/1p2Rpb1/3p1np1/2nP2B1/1qP5/1pN1Q2P/P5P1/1B4K1 w - -\r
+solution Bxg6\r
+id "ECM.809"\r
+go\r
+setboard 2rqr1k1/pb2bp1p/1pn1pnpB/4N3/3P4/P1N3R1/1P3PPP/RB1Q2K1 w - -\r
+solution Rxg6+\r
+id "ECM.810"\r
+go\r
+setboard 2r5/pp2qr1k/1nb3pp/2ppBp2/2P4P/3B2R1/P3QPP1/1R4K1 w - -\r
+solution Rxg6\r
+id "ECM.811"\r
+go\r
+setboard 3rr3/3q1p1k/p2P2pp/1bp1b3/5N2/6QP/P1B3P1/3RR1K1 w - -\r
+solution Bxg6+\r
+id "ECM.812"\r
+go\r
+setboard r2q1rk1/pp2ppb1/3pn1pQ/3R4/2P3B1/4BR2/PP4PP/6K1 w - -\r
+solution Qxg6\r
+id "ECM.813"\r
+go\r
+setboard 1n1b1rk1/r4p1p/p1p2qpQ/P3Np2/2BP4/2P1R3/5PPP/R5K1 w - -\r
+solution Rb1\r
+id "ECM.814"\r
+go\r
+setboard 6rk/pb3p1p/3bpPq1/3P4/1p1B3r/1B4P1/PPRQ1R1P/6K1 b - -\r
+solution Bxg3\r
+id "ECM.815"\r
+go\r
+setboard 3rr1k1/pb2bp1p/3qp1pB/1p2N3/3P2Q1/2P1R3/P4PPP/4R1K1 w - -\r
+solution Nxg6\r
+id "ECM.816"\r
+go\r
+setboard r2q1rk1/pb1nbp1p/1p2p1p1/4N1BQ/2PP4/P7/5PPP/RB2R1K1 w - -\r
+solution Nxg6\r
+id "ECM.817"\r
+go\r
+setboard 1Q4R1/r2qbp2/3p1kp1/3Bp2p/8/3PP1P1/5PKP/8 w - -\r
+solution Rxg6+\r
+id "ECM.818"\r
+go\r
+setboard r3r1k1/b1p2pn1/p2q1Bp1/1p1bN1Qp/3P4/2P4P/PPB2PP1/R3R1K1 w - -\r
+solution Nxg6\r
+id "ECM.819"\r
+go\r
+setboard 3r2k1/p1rn1p1p/1p2pp2/6q1/3PQNP1/5P2/P1P4R/R5K1 w - -\r
+solution Nxe6\r
+id "ECM.820"\r
+go\r
+setboard k2r3r/ppq2p1p/n1pb1Pp1/4p3/2Q5/1R2B1P1/PPP2PBP/R5K1 w - -\r
+solution Rxb7\r
+id "ECM.821"\r
+go\r
+setboard 1rb2rk1/p1p1qppp/2p2n2/3P4/1b3P2/2NB4/PPPBQ1PP/2KR3R b - -\r
+solution Ba3\r
+id "ECM.822"\r
+go\r
+setboard k7/pp1N4/4P3/5P2/8/5p2/1R6/B4Knq w - -\r
+solution Nb6+\r
+id "ECM.823"\r
+go\r
+setboard 4rrk1/p5pp/1p4q1/3p2n1/2pP2P1/P1P1PP2/3B2K1/1R2QR2 b - -\r
+solution Nxf3\r
+id "ECM.824"\r
+go\r
+setboard 1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - -\r
+solution Rxf6\r
+id "ECM.825"\r
+go\r
+setboard 1rbq2k1/b1p3pp/p1Pp4/3Ppr2/8/5N2/PPQ2PPP/R1B2RK1 b - -\r
+solution Rxf3\r
+id "ECM.826"\r
+go\r
+setboard 1r1q1r1k/2p3pp/1p1bQ3/p7/1PP5/Pn3B2/1B3PPP/R4RK1 b - -\r
+solution Rxf3\r
+id "ECM.827"\r
+go\r
+setboard r4rk1/2p1qpp1/p1p5/2Ppn2b/2PQ1N1p/4P3/PB3PPP/R4RK1 b - -\r
+solution Nf3+\r
+id "ECM.828"\r
+go\r
+setboard r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - -\r
+solution Nf6+\r
+id "ECM.829"\r
+go\r
+setboard 1n2r3/p1pq1kp1/1b1pNpp1/3P4/5RP1/3Q3P/1B3P2/6K1 w - -\r
+solution Bxf6\r
+id "ECM.830"\r
+go\r
+setboard r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - -\r
+solution Nf3+\r
+id "ECM.831"\r
+go\r
+setboard 3r1b2/p4bkp/1p1P1p2/r3p1p1/2q1N3/2N2P2/1P1R2PP/2QR3K w - -\r
+solution Nxf6\r
+id "ECM.832"\r
+go\r
+setboard rqbn1rk1/1p3ppp/p3p3/8/4NP2/8/PPP1BQPP/1K1R3R w - -\r
+solution Nf6+\r
+id "ECM.833"\r
+go\r
+setboard r1b1kb1r/1p4pp/p2ppn2/8/2qNP3/2N1B3/PPP3PP/R2Q1RK1 w kq -\r
+solution Rxf6\r
+id "ECM.834"\r
+go\r
+setboard 1rn5/p3Bk1p/1pq1bpp1/P3p3/1Q2P2P/2P3P1/5PB1/1R4K1 w - -\r
+solution Bxf6\r
+id "ECM.835"\r
+go\r
+setboard 2nr2k1/1pq1bppp/p1p5/2p1P1PQ/2P1NP2/1PNR4/P6P/6K1 w - -\r
+solution Nf6+\r
+id "ECM.836"\r
+go\r
+setboard 6nk/pn2qr1r/1pbp1p1p/2p1pPpN/P1P1P1PP/2PP3R/7Q/2BBK2R w K -\r
+solution Nxf6\r
+id "ECM.837"\r
+go\r
+setboard 7r/4p1k1/p3Pppp/1p6/3N1R2/3PQ2P/qr4b1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.838"\r
+go\r
+setboard r3k2r/1bq1bp2/p3p1pp/1p2P3/3NpP2/4B1Q1/PPP3PP/1K1R3R w kq -\r
+solution Nxe6\r
+id "ECM.839"\r
+go\r
+setboard rnbqkb1r/pp1n1p2/4p1p1/1N1pP2p/1P4Q1/3B1N2/P1PB1PPP/R3K2R w KQkq -\r
+solution Qxe6+\r
+id "ECM.840"\r
+go\r
+setboard r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq -\r
+solution Nxe6\r
+id "ECM.841"\r
+go\r
+setboard r1b1k1nr/3n1p1p/1qpBp1p1/pp2b3/4PN2/PBN2Q2/1PP2PPP/2KR3R w kq -\r
+solution Nxe6\r
+id "ECM.842"\r
+go\r
+setboard 2r2rk1/1b3ppp/pq2p3/1pbn2N1/3B3P/1B4P1/P1P1QP2/2KRR3 w - -\r
+solution Qh5\r
+id "ECM.843"\r
+go\r
+setboard r3k2r/pp1n1pb1/1qn1p1p1/2p3Pp/4R2P/2NP2QB/PPPB1P2/2K1R3 w kq -\r
+solution Rxe6+\r
+id "ECM.844"\r
+go\r
+setboard r3k2r/1q3ppp/p3p3/2b1P3/p2N1Q2/P7/1PP3PP/3R1R1K w kq -\r
+solution Nxe6\r
+id "ECM.845"\r
+go\r
+setboard 3qr1k1/rp3pbp/2p3p1/3p1b2/N1nP4/P2NP3/1PQ2PPP/1BRR2K1 b - -\r
+solution Rxe3\r
+id "ECM.846"\r
+go\r
+setboard rnbqkb1r/1p1n1pp1/p3p2p/3pP3/3p1NQP/2N5/P1PB1PP1/R3KB1R w KQkq -\r
+solution Nxe6\r
+id "ECM.847"\r
+go\r
+setboard 3r1b1R/3bkpp1/1p1np3/1BqpPPP1/PQ1N4/8/1PP5/1K6 w - -\r
+solution f6+\r
+id "ECM.848"\r
+go\r
+setboard 4r1k1/pp2n2p/1r1n1bp1/q2p1pB1/3P3N/P1NQ1P1P/1PP3R1/1K5R b - -\r
+solution Rxb2+\r
+id "ECM.849"\r
+go\r
+setboard 3r2k1/2p1bppp/4b3/p2pP3/qr1N1B1P/8/1PPQ2P1/1K1RR3 b - -\r
+solution Rxb2+\r
+id "ECM.850"\r
+go\r
+setboard 1k1r3r/ppR2ppp/1q2b3/1N6/4Q3/8/PP3PPP/4R1K1 w - -\r
+solution Rxb7+\r
+id "ECM.851"\r
+go\r
+setboard 1r3rk1/5pbp/p2Pp1p1/q1n3P1/2p2P1P/2N1Q2R/PP6/1BKR4 b - -\r
+solution Rxb2\r
+id "ECM.852"\r
+go\r
+setboard rr4k1/5p1p/n2p1npQ/q1pP4/6P1/2N2P1N/PP1R3P/2K4R b - -\r
+solution Rxb2\r
+id "ECM.853"\r
+go\r
+setboard 1k2bb1r/1p3p1p/p2qpP1p/3pN3/3P1Q2/2RB2P1/PP3P1P/6K1 w - -\r
+solution Qc1\r
+id "ECM.854"\r
+go\r
+setboard 1r4k1/1r3p2/p1p1b1pQ/q3P3/P7/bPN1R1P1/2P4P/1K1R1B2 b - -\r
+solution Bxb3\r
+id "ECM.855"\r
+go\r
+setboard 5rk1/5rp1/p2qb3/R2Np2Q/3bP2B/7P/P5PK/1R6 b - -\r
+solution Rf1\r
+id "ECM.856"\r
+go\r
+setboard 6k1/5p2/R3p1p1/1pq1PpB1/4nP2/5Q1P/P2r2PK/8 w - -\r
+solution Ra8+\r
+id "ECM.857"\r
+go\r
+setboard 3r1rk1/p3q1pp/2Rb4/3P4/8/1P2Qp2/PB3PPP/3R2K1 b - -\r
+solution Bxh2+\r
+id "ECM.858"\r
+go\r
+setboard 1r6/5pk1/p1b2qpp/P1P1n3/1N6/Q5NP/5PP1/3R2K1 b - -\r
+solution Bxg2\r
+id "ECM.859"\r
+go\r
+setboard 1r4k1/1q3pb1/r1b3p1/pp1Qp3/P3P3/1B2BP2/1PP3P1/1K1R3R w - -\r
+solution Qd8+\r
+id "ECM.860"\r
+go\r
+setboard 2R5/p3q1kp/6p1/3p4/b2P2p1/Pr4N1/5Q2/3K3R w - -\r
+solution Nf5+\r
+id "ECM.861"\r
+go\r
+setboard 3r4/kb6/pp6/4R1pr/PPpq4/2N3Q1/2P3PP/3R3K b - -\r
+solution Rf8\r
+id "ECM.862"\r
+go\r
+setboard 4r1k1/5p1p/4q1p1/8/Q5n1/3B2P1/P4P1P/2R3K1 b - -\r
+solution Nxf2\r
+id "ECM.863"\r
+go\r
+setboard 8/2q1np1k/6p1/1PPn3p/8/P2Q3P/6P1/2R4K b - -\r
+solution Nf5\r
+id "ECM.864"\r
+go\r
+setboard r1bq1rk1/ppp1n1bn/3p2p1/3Pp1Pp/1PP1Pp1P/2NN1P2/P3B3/R1BQ1RK1 b - -\r
+solution Nxg5\r
+id "ECM.865"\r
+go\r
+setboard 7R/1p1r4/2b2p2/2Pp1qk1/3P1bp1/3N4/2Q2PB1/6K1 w - -\r
+solution Rg8+\r
+id "ECM.866"\r
+go\r
+setboard r6r/1pn1b1k1/2p1pq2/2Pp3p/p2P1Pp1/P2BP1P1/1P2QB2/3R2KR w - -\r
+solution Rxh5\r
+id "ECM.867"\r
+go\r
+setboard 1r4k1/pp4pp/2n1b3/1Rq1p3/2P2r2/P1B2P2/2Q1B1PP/3R1K2 b - -\r
+solution Rxf3+\r
+id "ECM.868"\r
+go\r
+setboard 7k/1p4p1/2p4r/5p2/p1QP1q2/2P2PR1/r4P1P/4R2K b - -\r
+solution Rxh2+\r
+id "ECM.869"\r
+go\r
+setboard 1r3r2/6kp/3p1pp1/qnp1pP2/1p2P2N/3P4/PPPQ1P1P/1K1R2R1 w - -\r
+solution fxg6\r
+id "ECM.870"\r
+go\r
+setboard 5rk1/1rP3pp/p4n2/3Pp3/1P2Pq2/2Q4P/P5P1/R3R1K1 b - -\r
+solution Rxc7\r
+id "ECM.871"\r
+go\r
+setboard 2rq1rk1/5ppp/2b1pb2/np6/6N1/2NBB3/PP3PPP/R2Q2K1 w - -\r
+solution Bb6\r
+id "ECM.872"\r
+go\r
+setboard 5r2/p2p2kp/3PnNp1/1qr1Pp2/2p5/P1R5/6PP/2Q1R1K1 w - -\r
+solution Qh6+\r
+id "ECM.873"\r
+go\r
+setboard 2Qbq1k1/6p1/1p4Np/4p2P/3rP3/8/3p2PK/3R4 w - -\r
+solution Rf1\r
+id "ECM.874"\r
+go\r
+setboard 2kr1br1/ppp2p1p/2n1p1q1/2Nn4/3P4/1Q2PB2/PP1B1P1P/2R1K2R b K -\r
+solution Qg1+\r
+id "ECM.875"\r
+go\r
+setboard 2K5/6p1/kp2P3/1p6/1P6/2P1P2p/8/1r6 w - -\r
+solution e7\r
+id "ECM.876"\r
+go\r
+setboard 2kr3r/1Rp1bpp1/p6q/Q3P3/2P5/3p1NP1/P3P2P/1R4K1 b - -\r
+solution Qe3+\r
+id "ECM.877"\r
+go\r
+setboard 6k1/1R4pp/2p5/8/P1rNp3/6Pb/4PK2/8 w - -\r
+solution a5\r
+id "ECM.878"\r
+go\r
+setboard r2r2k1/pp3ppp/2q5/2p5/2P1P1n1/P4P1b/1BQ1BP1P/R3R2K b - -\r
+solution Rd2\r
+id "ECM.879"\r
+go
\ No newline at end of file
--- /dev/null
+setboard r3kb1r/3n1pp1/p6p/2pPp2q/Pp2N3/3B2PP/1PQ2P2/R3K2R w KQkq -
+id "POS-01"
+solution d6
+go
+setboard r3kb1r/3n1pp1/p6p/2pPp2q/Pp2N3/3B2PP/1PQ2P2/R3K2R w KQkq -
+id "POS-02"
+solution d6
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-03"
+solution Qc5
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-04"
+solution Qc5
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-05"
+solution Qc5
+go
+setboard r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - -
+id "POS-06"
+solution Qc5
+go
+setboard r1b2r1k/pp2q1pp/2p2p2/2p1n2N/4P3/1PNP2QP/1PP2RP1/5RK1 w - -
+id "POS-07"
+solution Nd1
+go
+setboard r2qrnk1/pp3ppb/3b1n1p/1Pp1p3/2P1P2N/P5P1/1B1NQPBP/R4RK1 w - -
+id "POS-08"
+solution Bh3
+go
+setboard 5nk1/Q4bpp/5p2/8/P1n1PN2/q4P2/6PP/1R4K1 w - -
+id "POS-09"
+solution Qd4
+go
+setboard 5nk1/Q4bpp/5p2/8/P1n1PN2/q4P2/6PP/1R4K1 w - -
+id "POS-10"
+solution Qd4
+go
+setboard bn6/1q4n1/1p1p1kp1/2pPp1pp/1PP1P1P1/3N1P1P/4B1K1/2Q2N2 w - -
+id "POS-11"
+solution h4
+go
+setboard bn6/1q4n1/1p1p1kp1/2pPp1pp/1PP1P1P1/3N1P1P/4B1K1/2Q2N2 w - -
+id "POS-12"
+solution h4
+go
+setboard bn6/1q4n1/1p1p1kp1/2pPp1pp/1PP1P1P1/3N1P1P/4B1K1/2Q2N2 w - -
+id "POS-13"
+solution h4
+go
+setboard r2qkb1r/1b3ppp/p3pn2/1p6/1n1P4/1BN2N2/PP2QPPP/R1BR2K1 w kq -
+id "POS-14"
+solution d5
+go
+setboard 8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - -
+id "FIN-01"
+solution f6
+go
+setboard 8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - -
+id "FIN-02"
+solution f5
+go
+setboard 8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - -
+id "FIN-03"
+solution f5
+go
+setboard 8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - -
+id "FIN-04"
+solution f5
+go
+setboard 6k1/6p1/7p/P1N5/1r3p2/7P/1b3PP1/3bR1K1 w - -
+id "FIN-05"
+solution a6
+go
+setboard 6k1/6p1/7p/P1N5/1r3p2/7P/1b3PP1/3bR1K1 w - -
+id "FIN-06"
+solution a6
+go
+setboard 6k1/4pp1p/3p2p1/P1pPb3/R7/1r2P1PP/3B1P2/6K1 w - -
+id "FIN-07"
+solution Bb4
+go
+setboard 2k5/p7/Pp1p1b2/1P1P1p2/2P2P1p/3K3P/5B2/8 w - -
+id "FIN-08"
+solution c5
+go
+setboard 8/5Bp1/4P3/6pP/1b1k1P2/5K2/8/8 w - -
+id "FIN-09"
+solution Kg4
+go
+setboard 1r4k1/1q2bp2/3p2p1/2pP4/p1N4R/2P2QP1/1P3PK1/8 w - -
+id "CMB-01"
+solution Nd6
+go
+setboard rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ -
+id "CMB-02"
+solution Qh7
+go
+setboard rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ -
+id "CMB-03"
+solution Qh7
+go
+setboard 2k2b1r/1pq3p1/2p1pp2/p1n1PnNp/2P2B2/2N4P/PP2QPP1/3R2K1 w - -
+id "CMB-04"
+solution ef6
+go
+setboard 2r2r2/3qbpkp/p3n1p1/2ppP3/6Q1/1P1B3R/PBP3PP/5R1K w - -
+id "CMB-05"
+solution Rh7
+go
+setboard 2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k -
+id "CMB-06"
+solution ef6
+go
+setboard 2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k -
+id "CMB-07"
+solution ef6
+go
+setboard 2b1r1k1/r4ppp/p7/2pNP3/4Q3/q6P/2P2PP1/3RR1K1 w - -
+id "CMB-08"
+solution Nf6
+go
+setboard 2b1r1k1/r4ppp/p7/2pNP3/4Q3/q6P/2P2PP1/3RR1K1 w - -
+id "CMB-09"
+solution Nf6
+go
+setboard rq2rbk1/6p1/p2p2Pp/1p1Rn3/4PB2/6Q1/PPP1B3/2K3R1 w - -
+id "CMB-10"
+solution Bh6
+go
+setboard rnbq2k1/p1r2p1p/1p1p1Pp1/1BpPn1N1/P7/2P5/6PP/R1B1QRK1 w - -
+id "CMB-11"
+solution Nh7
+go
+setboard r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - -
+id "CMB-12"
+solution e5
+go
+setboard
+id "arasan4.1"
+
+go
+setboard 8/1p2r1kp/1p1R2p1/4qp2/1P6/P1p1P1P1/5P1P/3Q2K1 w - -
+id "arasan4.2"
+avoid Rxb6
+go
+setboard 8/1p2r1kp/1p1R2p1/4qp2/1P6/P1p1P1P1/5P1P/3Q2K1 w - -
+id "arasan4.3"
+avoid Rxb6
+go
+setboard 8/1p2r1kp/1p1R2p1/4qp2/1P6/P1p1P1P1/5P1P/3Q2K1 w - -
+id "arasan4.4"
+avoid Rxb6
+go
+setboard 2r3k1/1b1nqppp/p3p3/8/1pQPn3/4PNP1/PP3PBP/RN4K1 w - -
+id "arasan4.5"
+solution Qf1
+go
+setboard r3r1k1/6p1/1pqp2Np/2p1nP1P/N1PbPQ2/1P3PR1/P2K4/7R w - -
+id "arasan4.6"
+solution f6
+go
+setboard r3r1k1/6p1/1pqp2Np/2p1nP1P/N1PbPQ2/1P3PR1/P2K4/7R w - -
+id "arasan4.7"
+solution f6
+go
+setboard r3r1k1/6p1/1pqp2Np/2p1nP1P/N1PbPQ2/1P3PR1/P2K4/7R w - -
+id "arasan4.8"
+solution f6
+go
+setboard 4k3/5ppQ/1n3b2/3bp3/1B6/1P1R2NP/5PPK/1qr5 w - -
+id "arasan4.9"
+solution Ba5
+go
+setboard r3r1k1/pb1n1p2/1p1p1n1p/q1pPpN2/2P4p/2PBPP2/P1Q3PP/1R3RK1 w - -
+id "arasan4.10"
+solution Qf2
+go
+setboard r3r1k1/pb1n1p2/1p1p1n1p/q1pPpN2/2P4p/2PBPP2/P1Q3PP/1R3RK1 w - -
+id "arasan4.11"
+solution Qf2
+go
+setboard q2r2k1/1bpn1ppp/1p1bp3/8/r2PP3/P4NP1/1BQ2PBP/3RR1K1 w - -
+id "arasan4.12"
+solution e5
+go
+setboard q2r2k1/1bpn1ppp/1p1bp3/8/r2PP3/P4NP1/1BQ2PBP/3RR1K1 w - -
+id "arasan4.13"
+solution e5
+go
+setboard rnbq1rk1/p3nppp/1p2p3/2ppP3/3P4/P1PB1N2/2P2PPP/R1BQK2R w KQ -
+id "arasan4.14"
+solution Bxh7+
+go
+setboard 4nr1k/r4p1p/2bq4/pp1pNP2/3P3Q/2P5/4PPB1/RR4K1 w - -
+id "arasan4.15"
+solution c4
+go
+setboard 4nr1k/r4p1p/2bq4/pp1pNP2/3P3Q/2P5/4PPB1/RR4K1 w - -
+id "arasan4.16"
+solution c4
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.17"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.18"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.19"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.20"
+solution Bh6
+go
+setboard 1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - -
+id "arasan4.21"
+solution Bh6
+go
+setboard 2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - -
+id "arasan4.22"
+solution Rxd7
+go
+setboard 2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - -
+id "arasan4.23"
+solution Rxd7
+go
+setboard 2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - -
+id "arasan4.24"
+solution Rxd7
+go
+setboard 5q2/3Q1N1p/r4kp1/4p3/3nb3/1B5P/5PP1/1R4K1 w - -
+id "arasan4.25"
+solution f4
+go
+setboard 5rk1/1p1P1ppp/pBn1p1r1/3p4/6P1/RPP4K/7P/4R3 w - -
+id "arasan4.26"
+solution Ra5
+go
+setboard 5rk1/1p1P1ppp/pBn1p1r1/3p4/6P1/RPP4K/7P/4R3 w - -
+id "arasan4.27"
+solution Ra5
+go
+setboard 3r2k1/2qn1ppp/8/1pbrp3/pP1N4/P2P2P1/RB2RP1P/4QK2 w - -
+id "arasan4.28"
+solution Nxb5
+go
+setboard 3r2k1/2qn1ppp/8/1pbrp3/pP1N4/P2P2P1/RB2RP1P/4QK2 w - -
+id "arasan4.29"
+solution Nxb5
+go
+setboard 2Q5/8/8/8/3kbP1N/2pq3P/6PK/8 w - -
+id "arasan4.30"
+solution f5
+go
+setboard 2Q5/8/8/8/3kbP1N/2pq3P/6PK/8 w - -
+id "arasan4.31"
+solution f5
+go
+setboard r1b2rk1/pp3pp1/4p2p/2ppP1b1/3Pq3/2P1PNP1/PP2Q2P/R3KB1R w KQ -
+id "arasan4.32"
+solution Nxg5
+go
+setboard Qn3rk1/p5p1/1pnqp3/6p1/6P1/2P5/P4P1P/R1B2RK1 w - -
+id "arasan4.33"
+solution Qb7
+go
+setboard Qn3rk1/p5p1/1pnqp3/6p1/6P1/2P5/P4P1P/R1B2RK1 w - -
+id "arasan4.34"
+solution Qb7
+go
+setboard r1b2r2/pp3p1p/1q1p3k/2p1n2N/3N4/4P1P1/P1PP2BP/R4QK1 w - -
+id "arasan4.35"
+solution Qf6+
+go
+setboard r1bq2k1/1p1n1r1p/3Qppp1/pP5N/2P1B3/8/P4P1P/2KR2R1 w - -
+id "arasan4.36"
+solution Bxg6
+go
+setboard r1bq2k1/1p1n1r1p/3Qppp1/pP5N/2P1B3/8/P4P1P/2KR2R1 w - -
+id "arasan4.37"
+solution Bxg6
+go
+setboard r4rk1/2qbbpp1/7p/2pPp3/ppN1P3/4Q1P1/PPPN4/2K3RR w - -
+id "arasan4.38"
+solution Rxh6
+go
+setboard r2q1r1k/1p2bppp/pnb1p3/4P3/6R1/2N5/PPB1QPPP/R1B3K1 w - -
+id "arasan4.39"
+solution Rxg7
+go
+setboard 1r3k2/4q3/2Pp3b/3Bp3/2Q2p2/1p1P2P1/1P2KP2/3N4 w - -
+id "arasan4.40"
+solution Be6
+go
+setboard r4rk1/pp1nqppp/2b1p3/6N1/4N3/6Q1/PPP2PPP/1K1RR3 w - -
+id "arasan4.41"
+solution Rxd7
+go
+setboard r3k1nr/pp1b1ppp/4p3/3p4/q4B2/3B1Q2/PP3PPP/2R1R1K1 w kq -
+id "arasan4.42"
+solution Qg3
+go
+setboard r3k1nr/pp1b1ppp/4p3/3p4/q4B2/3B1Q2/PP3PPP/2R1R1K1 w kq -
+id "arasan4.43"
+solution Qg3
+go
+setboard r3k1nr/pp1b1ppp/4p3/3p4/q4B2/3B1Q2/PP3PPP/2R1R1K1 w kq -
+id "arasan4.44"
+solution Qg3
+go
+setboard r1bk2nr/ppp2ppp/2np1b2/1N6/N4P1q/P3B3/1PP1B1PP/R2QR1K1 w - -
+id "arasan4.45"
+solution Nxd6
+go
+setboard r5nr/ppp2kpp/3pbp2/1B6/PP5q/8/1BPQ1PPP/1R2R1K1 w - -
+id "arasan4.46"
+solution Rxe6
+go
+setboard r5nr/ppp2kpp/3pbp2/1B6/PP5q/8/1BPQ1PPP/1R2R1K1 w - -
+id "arasan4.47"
+solution Rxe6
+go
+setboard r5nr/ppp2kpp/3pbp2/1B6/PP5q/8/1BPQ1PPP/1R2R1K1 w - -
+id "arasan4.48"
+solution Rxe6
+go
+setboard 2r1k1nr/p1Pq4/1p3p2/4pn1p/1B1p4/1N3Q2/PP2P1RP/2R4K w - -
+id "arasan4.49"
+solution Nd2
+go
+setboard r2qr1k1/pp1b2pp/2nBpp1n/6NQ/2B1N3/P3b3/1PP3PP/R4R1K w - -
+id "arasan4.50"
+solution Nxf6+
+go
+setboard 1n3rn1/3b4/rq1P1pkp/1p4p1/p1p1N1N1/2Q2B1P/1P3PP1/R3R1K1 w - -
+id "arasan4.51"
+solution Nexf6 Ngxf6
+go
+setboard r1bq1rk1/ppp1bpp1/2np3p/3N3n/2P1PB2/3BQN2/PP3PPP/R3K2R w KQ -
+id "arasan4.52"
+solution Bxh6
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.53"
+solution Qd4
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.54"
+solution Qd4
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.55"
+solution Qd4
+go
+setboard 2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - -
+id "arasan4.56"
+solution Qd4
+go
+setboard r2r2k1/pbpq1ppp/1pn1pn2/8/P2PP3/B1R2NP1/P1Q2PBP/3R2K1 w - -
+id "arasan4.57"
+solution d5
+go
+setboard r2r2k1/pbpq1ppp/1pn1pn2/8/P2PP3/B1R2NP1/P1Q2PBP/3R2K1 w - -
+id "arasan4.58"
+solution d5
+go
+setboard 1b6/4kPp1/Pp6/2p2K1B/2P5/3p4/8/8 w - -
+id "arasan4.59"
+solution Ke4
+go
+setboard 4r1k1/pppb3p/1n4p1/3P4/1bP2p2/qN3PPP/P1Q3B1/2R3KR w - -
+id "arasan4.60"
+solution g4
+go
+setboard 2r3k1/2r1b1p1/p1q3Pp/3pP3/1p6/1P2B2Q/2PR4/1K4R1 w - -
+id "arasan4.61"
+solution Bxh6
+go
+setboard 4R3/1k4p1/8/pp4P1/8/3K4/1b5P/8 w - -
+id "arasan4.62"
+solution Re2
+go
+setboard r3k2r/pb3ppp/1p2pn2/1Nb1q3/4P3/P2B4/1PQ2PPP/R1B2RK1 w kq -
+id "arasan4.63"
+solution b4
+go
+setboard 2r1r1k1/1pn3qp/2pbn1p1/p2pN3/3P1P2/3BP1BP/PPQ3K1/2R2R2 w - -
+id "arasan4.64"
+solution f5
+go
+setboard 5Nk1/1p2n3/p2q1rp1/3p1pQP/5P2/2P2B2/b1PK2P1/4R3 w - -
+id "arasan4.65"
+solution Nd7
+go
+setboard 5Nk1/1p2n3/p2q1rp1/3p1pQP/5P2/2P2B2/b1PK2P1/4R3 w - -
+id "arasan4.66"
+solution Nd7
+go
+setboard 8/1B1r1b1k/3N2pp/p3Qp2/3P1P2/7P/1P1b1K2/2r5 w - -
+id "arasan4.67"
+solution Nxf5
+go
+setboard 8/1B1r1b1k/3N2pp/p3Qp2/3P1P2/7P/1P1b1K2/2r5 w - -
+id "arasan4.68"
+solution Nxf5
+go
+setboard 2kb4/r7/4p1r1/1RNn2p1/8/6P1/pB3PK1/7R w - -
+id "arasan4.69"
+solution Be5
+go
+setboard 2kb4/r7/4p1r1/1RNn2p1/8/6P1/pB3PK1/7R w - -
+id "arasan4.70"
+solution Be5
+go
+setboard 4rrk1/1bpn1qp1/1p1b3p/pP1Ppn2/4N3/P2Q1N1P/1BB2PP1/2R1R1K1 w - -
+id "arasan4.71"
+solution g4
+go
+setboard 4rrk1/1bpn1qp1/1p1b3p/pP1Ppn2/4N3/P2Q1N1P/1BB2PP1/2R1R1K1 w - -
+id "arasan4.72"
+solution g4
+go
+setboard 1r5k/pp5p/3Nn1p1/3R4/3b4/BP3rPP/P4P2/1R4K1 w - -
+id "arasan4.73"
+solution Rxd4
+go
+setboard rn1r2k1/p4p2/1pp1pqp1/6Rp/3PB2P/8/PPPQ1P2/2KR4 w - -
+id "arasan4.74"
+solution Bxg6
+go
+setboard r4rk1/1pp3q1/2np3p/p2Npb1B/2PbN1p1/3P2P1/PP4PP/R2Q1R1K w - -
+id "arasan4.75"
+solution Ndf6+ Nef6+
+go
+setboard r5k1/p6r/1n2p2p/2BbPpp1/8/P2B4/5PPP/2RR2K1 w - -
+id "arasan4.76"
+solution Bxf5
+go
+setboard 5rk1/q4ppp/pp1bp1n1/6N1/4QP2/P3P3/1P1B2PP/2R3K1 w - -
+id "arasan4.77"
+solution Nxe6
+go
+setboard r3kb1r/2R2bpp/p2p1p2/1p2pPP1/3qP3/5Q2/1PPB3P/2K2B1R w kq -
+id "arasan4.78"
+solution Bc4
+go
+setboard r3kb1r/2R2bpp/p2p1p2/1p2pPP1/3qP3/5Q2/1PPB3P/2K2B1R w kq -
+id "arasan4.79"
+solution Bc4
+go
+setboard 6k1/3p2p1/1p1Npq2/3n3r/1P6/5PQ1/P4KP1/RNBR3r w - -
+id "arasan4.80"
+solution Ne4
+go
+setboard 6k1/3p2p1/1p1Npq2/3n3r/1P6/5PQ1/P4KP1/RNBR3r w - -
+id "arasan4.81"
+solution Ne4
+go
+setboard 2k4r/1q1bBQ2/2p1p3/1p2P2p/6r1/8/5PP1/R1R3K1 w - -
+id "arasan4.82"
+solution Bf8
+go
+setboard 2r2k1r/p1q3pp/1p3p2/3Bp3/2Pb2b1/P1Q5/1B1R1PPP/4R1K1 w - -
+id "arasan4.83"
+solution Rxd4
+go
+setboard 2r2k1r/p1q3pp/1p3p2/3Bp3/2Pb2b1/P1Q5/1B1R1PPP/4R1K1 w - -
+id "arasan4.84"
+solution Rxd4
+go
+setboard 3q1k2/8/1p1b1r1p/p2R2p1/P1BQ2P1/1P3P2/8/3K4 w - -
+id "arasan4.85"
+solution f4
+go
+setboard 2r2rk1/5qp1/1pN2p1p/pPnRp3/P1P5/5PP1/2Q1R1KP/8 w - -
+id "arasan4.86"
+solution Rxc5
+go
+setboard 3r1r2/pb3pkp/1pn1qNp1/2p1P3/5P2/P2BQ3/1P4PP/3R1R1K w - -
+id "arasan4.87"
+solution f5
+go
+setboard r3rb1k/1b3pp1/3p2qp/p2P1N2/Pp1Qn3/4RN1P/1P3PP1/R1B3K1 w - -
+id "arasan4.88"
+solution N3h4
+go
+setboard r3rb1k/1b3pp1/3p2qp/p2P1N2/Pp1Qn3/4RN1P/1P3PP1/R1B3K1 w - -
+id "arasan4.89"
+solution N3h4
+go
+setboard r3rb1k/1b3pp1/3p2qp/p2P1N2/Pp1Qn3/4RN1P/1P3PP1/R1B3K1 w - -
+id "4.90"
+solution N3h4
+go
+setboard r3rk2/ppq2pbQ/2p1b1p1/4p1B1/2P3P1/3P1B2/P3PPK1/1R5R w - -
+id "4.91"
+solution Qxg7+ Qh8+
+go
+setboard r1b2rk1/1pqp1p1p/p3nBpQ/4p3/4P3/1N4P1/PbP2PBP/R4RK1 w - -
+id "4.92"
+solution Nd2
+go
+setboard 4r1k1/2P3pp/1n2q3/2pn1p2/8/6B1/1P1QBP1P/4R1K1 w - -
+id "arasan4.93"
+solution Rd1
+go
+setboard r2q1rk1/p4p2/1p2pn1p/n2b2p1/3P3B/2R2N2/PP3PPP/1B1QR1K1 w - -
+id "arasan4.94"
+solution Nxg5
+go
+setboard r2q1rk1/p4p2/1p2pn1p/n2b2p1/3P3B/2R2N2/PP3PPP/1B1QR1K1 w - -
+id "arasan4.95"
+solution Nxg5
+go
+setboard r2q1rk1/p4p2/1p2pn1p/n2b2p1/3P3B/2R2N2/PP3PPP/1B1QR1K1 w - -
+id "arasan4.96"
+solution Nxg5
+go
+setboard 5rk1/3R1p2/ppp3r1/b1p1P2p/2P2B1q/2P2Q2/P5PP/3R3K w - -
+id "arasan4.97"
+solution h3
+go
+setboard 2r1r1k1/5p1p/p3qBp1/1ppbP3/2n5/2PB3P/P3QPP1/3RR1K1 w - -
+id "arasan4.98"
+solution Bxc4
+go
+setboard r1br3k/pp2qn1p/4p2P/4Ppp1/2B5/P4NQ1/1P3PP1/3R1RK1 w - -
+id "arasan4.99"
+solution Nxg5
+go
+setboard 2r2rk1/3bq1p1/4p1Pp/3pP3/1p1N1PQ1/pP5R/P1P4R/4K3 w - -
+id "arasan4.100"
+solution Rxh6
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.101"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.102"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.103"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.104"
+solution Qf2
+go
+setboard 2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - -
+id "arasan4.105"
+solution Qf2
+go
+setboard 4r1k1/p5qp/Pp1Rbb2/4pp1r/2P1p1p1/1PB1P3/1Q2BPPP/3R2K1 w - -
+id "arasan4.106"
+solution c5
+go
+setboard 8/4k1p1/8/5P1p/b1N4P/5PP1/1p1K4/1B1n4 w - -
+id "arasan4.107"
+solution g4
+go
+setboard 3q1r1k/1P1n2p1/4R2p/2QBp2P/3pPb2/R1p2P2/5P2/5K2 w - -
+id "arasan4.108"
+solution Qxf8+
+go
+setboard 3q1r1k/1P1n2p1/4R2p/2QBp2P/3pPb2/R1p2P2/5P2/5K2 w - -
+id "arasan4.109"
+solution Qxf8+
+go
+setboard 2rbk1r1/7R/p1n3p1/1p3q2/2n2N2/4pQ2/PP2B1PP/3R2K1 w - -
+id "arasan4.110"
+solution g4
+go
+setboard 8/8/3k4/1p1npP1p/pP2B2P/P7/5K2/8 w - -
+id "arasan4.111"
+solution Bxd5
+go
+setboard 5nk1/p2r1pp1/1p4bp/3B4/4PPP1/P6P/1B6/2R3K1 w - -
+id "arasan4.112"
+solution f5
+go
+setboard 5nk1/p2r1pp1/1p4bp/3B4/4PPP1/P6P/1B6/2R3K1 w - -
+id "arasan4.113"
+solution f5
+go
+setboard 5nk1/p2r1pp1/1p4bp/3B4/4PPP1/P6P/1B6/2R3K1 w - -
+id "arasan4.114"
+solution f5
+go
+setboard 2kr3r/Rbpnq3/1p1pp3/2P3p1/3P4/2P1P1p1/Q2N1PP1/4KB2 w - -
+id "arasan4.115"
+solution Rxb7
+go
+setboard 2R2b1r/3nkp2/B2pp1p1/1N4Pn/P3P3/4BP2/1r5q/3QK1R1 w - -
+id "arasan4.116"
+solution Nd4 Na7
+go
+setboard r3r1k1/1p1b2pp/p2qpp2/3n4/Pn1P4/1BN2Q2/1P1B1PPP/R2R2K1 w - -
+id "arasan5.1"
+solution Ne4
+go
+setboard r3r1k1/1p1b2pp/p2qpp2/3n4/Pn1P4/1BN2Q2/1P1B1PPP/R2R2K1 w - -
+id "arasan5.2"
+solution Ne4
+go
+setboard 8/6p1/1b4k1/1p1KP3/1p3PP1/pB6/8/8 w - -
+id "arasan5.3"
+solution e6
+go
+setboard r4rk1/1bq2p2/p3p1p1/n3P2p/3NpP2/2P1B2R/2P3PP/R3Q1K1 w - -
+id "arasan5.4"
+solution g4
+go
+setboard 2rq1rk1/pb1n1p2/1p2pn1p/6p1/2BP3B/1QR2N2/PP3PPP/4R1K1 w - -
+id "arasan5.5"
+solution Nxg5
+go
+setboard 2r1qrk1/1b1nbppp/4p3/pB1nP1B1/Pp2N3/5N1P/1P1Q1PP1/R2R2K1 w - -
+id "arasan5.6"
+solution Nf6+
+go
+setboard 1q4k1/r4p1p/6p1/1p1Q3n/p3N3/P7/1P3PPP/4R1K1 w - -
+id "arasan5.7"
+solution g4
+go
+setboard 3rr1k1/1pq2p1p/p1n3p1/3Bb3/P7/2P1BQ2/1P3PKP/3RR3 w - -
+id "arasan5.8"
+solution Bb6
+go
+setboard 3rr1k1/1pq2p1p/p1n3p1/3Bb3/P7/2P1BQ2/1P3PKP/3RR3 w - -
+id "arasan5.9"
+solution Bb6
+go
+setboard r2qr1k1/pb4b1/1pnP2pp/5p2/5PB1/B4NQ1/P5PP/2R1R1K1 w - -
+id "arasan5.10"
+solution Bxf5
+go
+setboard r1b2rk1/p1q4p/1p4p1/2NP1p2/1PPB4/6P1/P6P/Q3R1K1 w - -
+id "arasan5.11"
+solution Qc1
+go
+setboard 8/3k4/1p4b1/3p1p1p/K2P1PpP/3B2P1/1P6/8 w - -
+id "arasan5.12"
+solution Kb5
+go
+setboard r1bn1rk1/2q2ppN/7p/p2p4/R7/2PB4/3B1PPb/3QRK2 w - -
+id "arasan5.13"
+solution Nf6+
+go
+setboard 4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - -
+id "arasan5.14"
+solution g5
+go
+setboard 4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - -
+id "arasan5.15"
+solution g5
+go
+setboard 4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - -
+id "arasan5.16"
+solution g5
+go
+setboard r1bq1rk1/4ppbp/p2p1n1B/2p5/1p2p2Q/3P1N2/PPP1N1PP/R4RK1 w - -
+id "arasan5.17"
+solution Ng5
+go
+setboard 4rrk1/p2n2pp/npbp4/2p1p3/2P2P1q/PNB1P3/1P2B1PP/1R1Q1RK1 w - -
+id "arasan5.18"
+avoid Qxd6
+go
+setboard 4rrk1/p2n2pp/npbp4/2p1p3/2P2P1q/PNB1P3/1P2B1PP/1R1Q1RK1 w - -
+id "arasan5.19"
+avoid Qxd6
+go
+setboard 8/B3r1p1/8/P4k1p/1P6/5P2/5K2/8 w - -
+id "arasan5.21"
+solution Bc5
+go
+setboard b2rn1k1/3r1ppp/3N2n1/1pB1P3/p5P1/P3KP2/B6P/1RR5 w - -
+id "arasan5.24"
+solution e6
+go
+setboard 8/4rq2/2Q1N1pk/p3R2p/3p1P2/2n4P/6P1/7K w - -
+id "arasan5.25"
+solution g4
+go
+setboard 4kb1r/3n1p1p/p1q1p1p1/1p1nP3/1prPN3/4BB2/P2Q1PPP/3R1RK1 w - -
+id "arasan5.26"
+solution Bh6
+go
+setboard 3q2k1/rbp2r1p/1p1p1pp1/p1nN4/2P1PP2/1P2QBPP/1P5K/3RR3 w - -
+id "arasan5.27"
+solution e5
+go
+setboard 3q2k1/rbp2r1p/1p1p1pp1/p1nN4/2P1PP2/1P2QBPP/1P5K/3RR3 w - -
+id "arasan5.28"
+solution e5
+go
+id "ECM.946"
+go
+setboard
+id "ECM.949"
+go
+setboard 2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - -
+id "ECM.952"
+solution Nd5
+go
+setboard rn3rk1/4bppp/1q2p3/p2pP3/8/1PN2B1P/P4PP1/2RQ1RK1 w - -
+id "ECM.961"
+solution Bxd5
+go
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -
+id "ECM.973"
+solution Rxc8
+go
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -
+id "ECM.977"
+solution Rxc8
+go
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -
+id "ECM.978"
+solution Nxc6
+go
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -
+id "ECM.986"
+solution Nxc6
+go
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -
+id "ECM.987"
+solution Qxf7+
+go
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -
+id "ECM.993"
+solution Qxf7+
+go
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -
+id "ECM.999"
+solution Nxf7
+go
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -
+id "ECM.1004"
+solution Nxf7
+go
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -
+id "ECM.1007"
+solution g6
+go
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -
+id "ECM.1009"
+solution Kg2
+go
+setboard r1bqnrk1/pp2ppb1/1np3pp/4P1N1/5P2/2NBB3/PPP3PP/R2Q1RK1 w - -
+id "ECM.1011"
+solution Nh7
+go
+setboard 4rrk1/1bp2ppp/p1q2b1B/1pn2B2/4N1Q1/2P4P/PP3PP1/3RR1K1 w - -
+id "ECM.1016"
+solution Nxc5
+go
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -
+id "ECM.1018"
+solution Rd4
+go
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -
+id "ECM.1020"
+solution exf6
+go
+setboard 2r1rbk1/1b3ppp/pp6/2q1pNP1/Pn1RP3/2N5/1PP2QBP/5R1K w - -
+id "ECM.1025"
+solution Nh6+
+go
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -
+id "ECM.1028"
+solution Re7
+go
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -
+id "ECM.1038"
+solution Re7
+go
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -
+id "ECM.1041"
+solution Re7
+go
+setboard r1k4r/ppp1b3/5Npp/4pb1Q/8/1B2B3/PqP2PPP/2RR2K1 w - -
+id "ECM.1045"
+solution Qxf5+
+go
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -
+id "ECM.1053"
+solution Nxh7
+go
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -
+id "ECM.1057"
+solution Rxf6
+go
+setboard rbbq1rk1/p3nppp/1p2p3/8/1B1pN3/P2B4/1P3PPP/2RQ1RK1 w - -
+id "ECM.1065"
+solution Nf6+
+go
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -
+id "ECM.1066"
+solution Nxh5
+go
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -
+id "ECM.1068"
+solution Rxe7
+go
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -
+id "ECM.1076"
+solution Rxe7
+go
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -
+id "ECM.1080"
+solution Rxe7
+go
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -
+id "ECM.1082"
+solution Bd5+
+go
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -
+id "ECM.1084"
+solution Ba3
+go
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -
+id "ECM.1085"
+solution g6
+go
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -
+id "ECM.1093"
+solution g6
+go
+setboard 8/p5Q1/2ppq2p/3n1ppk/3B4/2P2P1P/P5P1/6K1 w - -
+id "ECM.1096"
+solution g4+
+go
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -
+id "ECM.1098"
+solution Ba4
+go
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -
+id "ECM.1114"
+solution Nxf7
+go
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -
+id "ECM.1122"
+solution Nxf7
+go
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -
+id "ECM.1127"
+solution Nxf7
+go
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -
+id "ECM.1131"
+solution Nb6
+go
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -
+id "ECM.1132"
+solution Nb6
+go
+setboard 1rbr2k1/4qp2/p1n2bpp/1pp1p1N1/4P3/2P1BQ1P/PPB2PP1/3RR1K1 w - -
+id "ECM.1133"
+solution Bxc5
+go
+setboard 2r2rk1/1p1q1ppp/1p3n2/3p1N2/4n3/1N3Q2/PPP2PPP/R2R2K1 w - -
+id "ECM.1134"
+solution Rxd5
+go
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -
+id "ECM.1147"
+solution Rb3
+go
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -
+id "ECM.1150"
+solution Bf4
+go
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -
+id "ECM.1151"
+solution Re7
+go
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -
+id "ECM.1152"
+solution Re7
+go
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -
+id "ECM.1160"
+solution Re7
+go
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -
+id "ECM.1161"
+solution Bg7
+go
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -
+id "ECM.1176"
+solution Qc1
+go
+setboard 3r1rk1/1pq1nppp/p7/2pB3Q/P4P2/1P2P3/6PP/2RR2K1 w - -
+id "ECM.1177"
+solution Rxc5
+go
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -
+id "ECM.1178"
+solution Rxd6
+go
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -
+id "ECM.1179"
+solution Rxd6
+go
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -
+id "ECM.1185"
+solution Bh7+
+go
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -
+id "ECM.1188"
+solution Bxf7+
+go
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -
+id "ECM.1189"
+solution Bb7
+go
+setboard 5r1r/1pkb4/5pB1/2P5/p3R2P/Pq6/1PQ2Pn1/K2R4 w - -
+id "ECM.1193"
+solution Rxd7
+go
+setboard 2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - -
+id "ECM.1199"
+solution Bxh6
+go
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -
+id "ECM.1200"
+solution Rxh8+
+go
+setboard r1bqrnk1/p4p2/1p5p/3pB1p1/P2P2n1/1P1B2N1/2Q3PP/R4RK1 w - -
+id "ECM.1202"
+solution Bh7+
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1204"
+solution Nxf7
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1208"
+solution Nxf7
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1214"
+solution Nxf7
+go
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -
+id "ECM.1217"
+solution Nxf7
+go
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -
+id "ECM.1218"
+solution Nxg7
+go
+setboard b6r/2q2k2/4pPp1/1p1n2Bp/2pPB1PP/2P2Q2/8/4R1K1 w - -
+id "ECM.1223"
+solution Bxg6+
+go
+setboard r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - -
+id "ECM.1224"
+solution Qh6+
+go
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -
+id "ECM.1227"
+solution Nxg7
+go
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -
+id "ECM.1229"
+solution Nxg7
+go
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -
+id "ECM.1232"
+solution Qxg6+
+go
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -
+id "ECM.1234"
+solution Qxg6+
+go
+setboard r3rk2/p2q1b1p/1pnP1Qp1/5pN1/2p2P2/P1P5/7P/4RRK1 w - -
+id "ECM.1249"
+solution Re7
+go
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -
+id "ECM.1254"
+solution R1b4
+go
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -
+id "ECM.1257"
+solution R1b4
+go
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -
+id "ECM.1259"
+solution Nd5
+go
+setboard 5k1r/ppqnnp2/3b2p1/2pB2Qp/3p3N/1P1P2P1/P1P2P2/2B1R1K1 w - -
+id "ECM.1262"
+solution Rxe7
+go
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -
+id "ECM.1265"
+solution Rxd7
+go
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -
+id "ECM.1267"
+solution Qh6
+go
+setboard 3rqb2/1pR3pk/p3n1pp/3p4/3B4/PP6/1P4PP/4RQK1 w - -
+id "ECM.1269"
+solution Rxe6
+go
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -
+id "ECM.1270"
+solution Rxc8+
+go
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -
+id "ECM.1271"
+solution Rxe4
+go
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -
+id "ECM.1273"
+solution Rxe4
+go
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -
+id "ECM.1274"
+solution Rxe4
+go
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -
+id "ECM.1277"
+solution Rxc5
+go
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -
+id "ECM.1278"
+solution Rxc5
+go
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -
+id "ECM.1281"
+solution Nxe6
+go
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -
+id "ECM.1285"
+solution Nxe6
+go
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -
+id "ECM.1293"
+solution Rxd7
+go
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -
+id "ECM.1294"
+solution Rxd7
+go
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -
+id "ECM.1295"
+solution Rxd4
+go
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -
+id "ECM.1304"
+solution Rxd8
+go
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -
+id "ECM.1306"
+solution Rxg6+
+go
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -
+id "ECM.1308"
+solution Bd8
+go
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -
+id "ECM.1314"
+solution Bd8
+go
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -
+id "ECM.1317"
+solution Bxe5+
+go
+setboard r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - -
+id "ECM.1318"
+solution Bc3
+go
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -
+id "ECM.1321"
+solution Rxc4
+go
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -
+id "ECM.1325"
+solution Rxc4
+go
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -
+id "ECM.1327"
+solution Nf6+
+go
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -
+id "ECM.1329"
+solution Nf6+
+go
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -
+id "ECM.1332"
+solution Rxa6
+go
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -
+id "ECM.1335"
+solution Rxa6
+go
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -
+id "ECM.1336"
+solution Rxd3
+go
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -
+id "ECM.1340"
+solution e5
+go
+setboard r1b2rk1/pp2qp2/2nRp1p1/6Pn/1Pp5/P1N1P3/1BQ2PP1/2K2B1R w - -
+id "ECM.1341"
+solution Rxh5
+go
+setboard R2b2k1/2rq1n1p/3p2p1/1p1Ppp1n/1P6/1B1PQN1P/1B3PP1/6K1 w - -
+id "ECM.1344"
+solution Nxe5
+go
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -
+id "ECM.1346"
+solution Rxc4
+go
+setboard 4r1k1/1p5p/5ppP/1qnP4/r4R2/P6P/1B1Q2K1/5R2 w - -
+id "ECM.1347"
+solution Rxf6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "ECM.1348"
+solution e6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "ECM.1350"
+solution e6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "ECM.1352"
+solution e6
+go
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -
+id "ECM.1354"
+solution Ng5
+go
+setboard 1r1q2k1/7p/2p3p1/1P1n1b1r/2BQ4/4B3/P6P/1R3RK1 w - -
+id "ECM.1355"
+solution bxc6
+go
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -
+id "ECM.1357"
+solution Rxf6
+go
+setboard 1n2n1r1/r3qppk/p2p3p/3PpP1P/1P2P3/3B2RQ/3B1P1K/6R1 w - -
+id "ECM.1371"
+solution Bxh6
+go
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -
+id "ECM.1376"
+solution Bh4
+go
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -
+id "ECM.1377"
+solution Bf8
+go
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -
+id "ECM.1380"
+solution Ng6+
+go
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -
+id "ECM.1381"
+solution Qb2
+go
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -
+id "ECM.1383"
+solution Qxg5+
+go
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -
+id "ECM.1387"
+solution Qxg5+
+go
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -
+id "ECM.1394"
+solution Qxg5+
+go
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -
+id "ECM.1398"
+solution Bxh5
+go
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -
+id "ECM.1403"
+solution Rxd5
+go
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -
+id "ECM.1405"
+solution Rf6
+go
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -
+id "ECM.1408"
+solution Rf6
+go
+setboard 2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - -
+id "ECM.1409"
+solution Nxf5+
+go
+setboard 1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - -
+id "ECM.1410"
+solution Ne6
+go
+setboard r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - -
+id "ECM.1421"
+solution Nxh6
+go
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -
+id "ECM.1423"
+solution Bg5
+go
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -
+id "ECM.1426"
+solution Bg5
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1433"
+solution Nd6
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1434"
+solution Nd6
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1438"
+solution Nd6
+go
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
+id "ECM.1439"
+solution Nd6
+go
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -
+id "ECM.1448"
+solution Rxe6
+go
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -
+id "ECM.1450"
+solution Nxf5
+go
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -
+id "ECM.1452"
+solution Nxf5
+go
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -
+id "ECM.1454"
+solution Bxf6
+go
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -
+id "ECM.1457"
+solution Bxf6
+go
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -
+id "ECM.1478"
+solution Nf5+
+go
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -
+id "ECM.1495"
+solution Nf5+
+go
+setboard 1r2r1k1/1bn2pbp/pp1q1np1/2pPN1B1/P1B5/2N4P/1P1Q1PP1/R3R1K1 w - -
+id "ECM.1503"
+solution Nxf7
+go
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -
+id "ECM.1504"
+solution Rxc5
+go
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -
+id "ECM.1516"
+solution Bh3
+go
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -
+id "ECM.1525"
+solution Nxc6
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1527"
+solution h3
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1529"
+solution h3
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1533"
+solution h3
+go
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -
+id "ECM.1536"
+solution h3
+go
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -
+id "ECM.1546"
+solution Rxc6
+go
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -
+id "ECM.1547"
+solution f6
+go
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -
+id "ECM.1551"
+solution e5
+go
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -
+id "ECM.1553"
+solution b5
+go
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -
+id "ECM.1554"
+solution Rxa6
+go
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -
+id "ECM.1561"
+solution Rxa6
+go
+setboard 2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - -
+id "ECM.1563"
+solution Nxe6
+go
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -
+id "ECM.1564"
+solution Ba6
+go
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -
+id "ECM.1573"
+solution Nxa7
+go
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -
+id "ECM.1578"
+solution Nxa7
+go
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -
+id "ECM.1579"
+solution cxb6
+go
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -
+id "ECM.1582"
+solution f5
+go
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -
+id "ECM.1584"
+solution f5
+go
+setboard r1b2rk1/1p2qppp/p3p3/2n5/3N4/3B1R2/PPP1Q1PP/R5K1 w - -
+id "ECM.1590"
+solution Bxh7+
+go
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -
+id "ECM.1592"
+solution Bxh7+
+go
+setboard 1rb2rk1/3nqppp/p1n1p3/1p1pP3/5P2/2NBQN2/PPP3PP/2KR3R w - -
+id "ECM.1594"
+solution Bxh7+
+go
+setboard r4rk1/1bq2ppp/p1p1p3/2b1P1B1/3p2Q1/3B4/PPP2PPP/R3R1K1 w - -
+id "ECM.1597"
+solution Bxh7+
+go
+setboard 2r2r2/p2qppkp/3p2p1/3P1P2/2n2R2/7R/P5PP/1B1Q2K1 w - -
+id "ECM.1600"
+solution Rxh7+
+go
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -
+id "ECM.1601"
+solution Rxh7
+go
+setboard 4rrk1/2q1bppp/p2p4/1p1Pn3/3B1R2/P2B2Q1/1PP3PP/5R1K w - -
+id "ECM.1602"
+solution Bxh7+
+go
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -
+id "ECM.1604"
+solution Nxh7
+go
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -
+id "ECM.1605"
+solution Nxh7
+go
+setboard b3r1k1/2rN1ppp/2n1p3/p7/P3BP2/1R6/q1P2QPP/3R2K1 w - -
+id "ECM.1606"
+solution Bxh7+
+go
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -
+id "ECM.1607"
+solution Qxh7+
+go
+setboard 5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - -
+id "ECM.1610"
+solution Bxh7+
+go
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -
+id "ECM.1612"
+solution Nxh7
+go
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -
+id "ECM.1614"
+solution Rxh7
+go
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -
+id "ECM.1617"
+solution Nxh7
+go
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -
+id "ECM.1618"
+solution Bxh7+
+go
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -
+id "ECM.1620"
+solution Bxh7+
+go
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -
+id "ECM.1621"
+solution Bxh7+
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "ECM.1622"
+solution Nxh7
+go
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -
+id "ECM.1623"
+solution Rxh7
+go
+setboard 1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - -\r
+solution Nxg4\r
+id "ECM.011"\r
+go\r
+setboard 2rr2k1/1b3p1p/p4qpb/2R1n3/3p4/BP2P3/P3QPPP/3R1BKN b - -\r
+solution Rxc5\r
+id "ECM.016"\r
+go\r
+setboard r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R2K1 w - -\r
+solution Nxd6\r
+id "ECM.018"\r
+go\r
+setboard b7/2q2kp1/p3pbr1/1pPpP2Q/1P1N3P/6P1/P7/5RK1 w - -\r
+solution Rxf6+\r
+id "ECM.019"\r
+go\r
+setboard r1b2rk1/2q2ppp/2pbp3/p7/4Nn2/3B4/PPPBQ1PP/R4R1K w - -\r
+solution Rxf4\r
+id "ECM.028"\r
+go\r
+setboard 3r2k1/1q1P1ppp/r2R2n1/p4Q2/1ppB2R1/6P1/PP3PP1/6K1 w - -\r
+solution Rgxg6\r
+id "ECM.029"\r
+go\r
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -\r
+solution Rxc8\r
+id "ECM.035"\r
+go\r
+setboard r1b1rnk1/1p3pb1/1qpp2p1/2n5/2PNP2p/1PN3PP/3R1PBK/BR1Q4 b - -\r
+solution Rxa1\r
+id "ECM.039"\r
+go\r
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -\r
+solution Nxc6\r
+id "ECM.040"\r
+go\r
+setboard 2rr4/5pk1/p1q3p1/3bpP1p/1p4nR/1N4Q1/PPP3PP/3NR2K b - -\r
+solution Bxg2+\r
+id "ECM.043"\r
+go\r
+setboard r4rk1/pp4pp/2nqb3/3p4/8/2NB4/PP1Q1PPP/4RRK1 w - -\r
+solution Bxh7+\r
+id "ECM.044"\r
+go\r
+setboard 3rkb1r/1p3p2/p1n1p3/q5pp/2PpP3/1P4P1/P1Q1BPKP/R2N3R b k -\r
+solution d3\r
+id "ECM.048"\r
+go\r
+setboard 1k1r1b1r/p1p1q3/2p1p3/4Ppp1/4nP2/P2BQ3/1PP3PB/2KR3R b - -\r
+solution Rxh2\r
+id "ECM.051"\r
+go\r
+setboard r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - -\r
+solution Nfxe4\r
+id "ECM.053"\r
+go\r
+setboard r4rk1/pp1b2pp/3bpq2/3p1p2/2PPn3/PP1B4/1BQN1PPP/R4RK1 b - -\r
+solution Bxh2+\r
+id "ECM.060"\r
+go\r
+setboard 4nk2/r1r1bppp/pN2p3/2np4/8/BPN3PP/P3PPK1/2RR4 w - -\r
+solution Ncxd5\r
+id "ECM.063"\r
+go\r
+setboard 3r1rk1/1b2bppp/2q1pn2/pp4Q1/3B1P2/PBN5/1PP3PP/R2R3K b - -\r
+solution Rxd4\r
+id "ECM.066"\r
+go\r
+setboard r1b2rk1/1p2bppp/p3pn2/4B3/1qBR4/2N5/P3QPPP/R5K1 w - -\r
+solution Bd3\r
+id "ECM.068"\r
+go\r
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -\r
+solution Qh6\r
+id "ECM.071"\r
+go\r
+setboard r1b2kr1/1p1p1pNp/p1n1p1p1/5P2/3QP3/2N5/PqP1B1PP/R4RK1 w - -\r
+solution fxg6\r
+id "ECM.076"\r
+go\r
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -\r
+solution Rd4\r
+id "ECM.080"\r
+go\r
+setboard Q7/p1r1ppk1/1qP4p/2Rb2p1/8/3N2P1/4PP1P/6K1 b - -\r
+solution Qb1+\r
+id "ECM.081"\r
+go\r
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -\r
+solution exf6\r
+id "ECM.082"\r
+go\r
+setboard 4r1k1/1b4pp/p7/1prP3q/2P1B3/5P2/P3Q2P/3RR2K w - -\r
+solution Bg6\r
+id "ECM.084"\r
+go\r
+setboard rn1q1r2/4bpk1/p3p3/1pN1N1np/2pP4/4PpBb/PPQ4P/1B1RK1R1 w - -\r
+solution Nc6\r
+id "ECM.091"\r
+go\r
+setboard 6k1/1pqb1p2/5bpB/r2n4/4N1P1/1P3P2/1P1Q4/1K5R w - -\r
+solution Qxd5\r
+id "ECM.099"\r
+go\r
+setboard 2kr1r2/1pp3pp/1n2p1b1/pN2B3/P1q5/1Q1p3P/5PP1/R4R1K w - -\r
+solution Rac1\r
+id "ECM.109"\r
+go\r
+setboard r1b1Q3/6pk/p6p/1pq1n3/4N3/8/PPP3PP/R6K b - -\r
+solution Qc6\r
+id "ECM.112"\r
+go\r
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -\r
+solution Nxh7\r
+id "ECM.115"\r
+go\r
+setboard 4qbk1/1R5n/p2pr1p1/2pQpNPp/P1P1P3/2P2P2/3B4/5K2 w - -\r
+solution Ne7+\r
+id "ECM.117"\r
+go\r
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.119"\r
+go\r
+setboard 2b1rr1k/1p5p/1Ppp2q1/p3bN2/2P1n3/5R2/PBQ3BP/3R2K1 w - -\r
+solution Nxd6\r
+id "ECM.123"\r
+go\r
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -\r
+solution Nxh5\r
+id "ECM.128"\r
+go\r
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -\r
+solution Rxe7\r
+id "ECM.130"\r
+go\r
+setboard 2rq1rk1/pp2bppp/1npp1n2/3PpN1b/2P5/2N3PP/PP2PPB1/R1BQ1RK1 w - -\r
+solution c5\r
+id "ECM.131"\r
+go\r
+setboard 2n1rbk1/5pp1/7p/qP1pp3/4b1Q1/1B5P/1P1N1PP1/2B1R1K1 w - -\r
+solution Rxe4\r
+id "ECM.133"\r
+go\r
+setboard 4k3/2R2p2/5p1p/8/rb6/1N6/5PPP/5K2 w - -\r
+solution Rc4\r
+id "ECM.134"\r
+go\r
+setboard 2k3r1/pp2rp2/1np5/2Np1p2/P2P3p/1R2P1Pq/2Q2P1P/1R4K1 w - -\r
+solution Nxb7\r
+id "ECM.135"\r
+go\r
+setboard 8/1Qp3pk/7p/5p2/5Pqn/1P1r4/P5PP/2B2RK1 b - -\r
+solution c6\r
+id "ECM.137"\r
+go\r
+setboard b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - -\r
+solution d3+\r
+id "ECM.142"\r
+go\r
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -\r
+solution Bd5+\r
+id "ECM.144"\r
+go\r
+setboard 6k1/4ppbp/p5p1/1B1Q4/2P2Pn1/8/qr4PP/2B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.145"\r
+go\r
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -\r
+solution Ba3\r
+id "ECM.146"\r
+go\r
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -\r
+solution g6\r
+id "ECM.147"\r
+go\r
+setboard 5r2/1b3pk1/pqrpp1p1/4n1Nn/1p2PP1P/8/PPPQB3/1NKR2R1 b - -\r
+solution Rfc8\r
+id "ECM.148"\r
+go\r
+setboard 8/1bq3kp/p5p1/1pb1p3/4P2P/2PQ2P1/1P5B/5N1K b - -\r
+solution Qd8\r
+id "ECM.153"\r
+go\r
+setboard 4r3/Q2bppkp/3p2p1/3Nn3/4P3/6PP/1qr2PB1/R3R1K1 b - -\r
+solution Ra8\r
+id "ECM.155"\r
+go\r
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -\r
+solution Ba4\r
+id "ECM.160"\r
+go\r
+setboard r1bq3k/ppp2Qp1/2n1p2p/6N1/2BPN3/2P1n3/PP4PP/R5K1 w - -\r
+solution Nf6\r
+id "ECM.161"\r
+go\r
+setboard 3R4/1p2kp2/p1b1nN2/6p1/8/6BP/2r1qPPK/Q7 w - -\r
+solution Rd7+\r
+id "ECM.162"\r
+go\r
+setboard r1b3k1/ppp2r2/6p1/3n3p/6qP/3BQ3/PBP5/2KR3R w - -\r
+solution Bd4\r
+id "ECM.180"\r
+go\r
+setboard 1R3b2/3r3k/2p1bp1p/r1q1pNpQ/2PpP2P/6B1/P4PP1/1R4K1 w - -\r
+solution Nxh6\r
+id "ECM.186"\r
+go\r
+setboard r1b4r/pp2ppk1/2np1np1/3N3p/2B1P3/q3BP2/P1PQ2PP/1R3RK1 w - -\r
+solution Nxe7\r
+id "ECM.187"\r
+go\r
+setboard 5rk1/Q2nqppp/5n2/2p5/8/1B2PP1P/Pr1B1P2/R3K2R b KQ -\r
+solution Ne4\r
+id "ECM.189"\r
+go\r
+setboard 5rk1/5pbp/b5p1/p1nNN3/1p2n3/1P4PP/P4PB1/2BR2K1 w - -\r
+solution Nd7\r
+id "ECM.190"\r
+go\r
+setboard 2k1r1r1/ppb2p2/6b1/2qP4/2P2P2/4pP1p/P3Q2P/2RBRN1K b - -\r
+solution Bd3\r
+id "ECM.191"\r
+go\r
+setboard 5r1k/pp1n1p1p/1b1qpP2/8/1PrN4/P1N1Q1P1/7P/3R1R1K w - -\r
+solution Qh6\r
+id "ECM.192"\r
+go\r
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -\r
+solution Nb6\r
+id "ECM.193"\r
+go\r
+setboard r1k3r1/pppnb1p1/4N3/3QP2p/3P3q/4B3/PPP2P2/R3KB2 w Q -\r
+solution Ba6\r
+id "ECM.198"\r
+go\r
+setboard r1bq1rk1/pppn2bp/3p2p1/3N1p2/8/BP1BRQ1P/P1PP1PP1/4R1K1 w - -\r
+solution Nxc7\r
+id "ECM.206"\r
+go\r
+setboard 2q1r1k1/1b3pbp/3p2p1/1Ppn3n/5P2/5B2/1P1B2PP/R2NNQ1K b - -\r
+solution Ndxf4\r
+id "ECM.208"\r
+go\r
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -\r
+solution Rb3\r
+id "ECM.209"\r
+go\r
+setboard r2qr1n1/p4pk1/1p1p2p1/4p3/4PQ2/1PN2P2/1PP3P1/2KR3R w - -\r
+solution Rh7+\r
+id "ECM.210"\r
+go\r
+setboard r4rk1/ppp3b1/3p1qp1/3Pp3/2P1Bn2/4BP2/PP1Q4/2K3RR w - -\r
+solution Rxg6\r
+id "ECM.211"\r
+go\r
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -\r
+solution Re7\r
+id "ECM.213"\r
+go\r
+setboard r4n1r/ppq1nk2/1bpRpN2/4PpQ1/8/2B4P/PPP2PP1/2KR4 w - -\r
+solution Rd7\r
+id "ECM.215"\r
+go\r
+setboard 3r2k1/p5pp/bpP1p3/3n1p2/2NQpP1q/P3P3/1B1R1R2/4KBr1 b - -\r
+solution Rxf1+\r
+id "ECM.216"\r
+go\r
+setboard rnb1kr2/p4pQ1/8/1ppPpP2/2p1P3/N6P/Pq4B1/3R1RK1 w q -\r
+solution Nxb5\r
+id "ECM.226"\r
+go\r
+setboard 5r1k/2p3pp/3pQ3/3P1rN1/pp5q/5PR1/P4PKP/B7 w - -\r
+solution Bxg7+\r
+id "ECM.227"\r
+go\r
+setboard 8/pR3Bk1/3p2p1/5b1p/2P4P/6P1/P4bQK/4q3 b - -\r
+solution Bg1+\r
+id "ECM.228"\r
+go\r
+setboard rq3r1k/p2n1p2/1pbb1np1/2p2BB1/8/2N2N2/PP3QPP/3R1RK1 w - -\r
+solution Rxd6\r
+id "ECM.231"\r
+go\r
+setboard 3rr1k1/1b5p/p6p/1p3N2/6Pb/P1Q1p3/1PP4P/R5K1 b - -\r
+solution Bf2+\r
+id "ECM.237"\r
+go\r
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -\r
+solution Qc1\r
+id "ECM.238"\r
+go\r
+setboard 6k1/1pp2p2/p2p2q1/2PPb3/4r3/Pr4PK/2R5/2Q2NR1 b - -\r
+solution Rh4+\r
+id "ECM.241"\r
+go\r
+setboard 4rrk1/3b1ppp/pb6/1pqP4/P1p1PP2/1P2NK2/3QB2P/R2R4 b - -\r
+solution Rxe4\r
+id "ECM.244"\r
+go\r
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -\r
+solution Bh7+\r
+id "ECM.247"\r
+go\r
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -\r
+solution Bxf7+\r
+id "ECM.250"\r
+go\r
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -\r
+solution Bb7\r
+id "ECM.251"\r
+go\r
+setboard 2b3k1/p4ppp/7q/2Q5/8/P3r1P1/1r4BP/R3R1K1 b - -\r
+solution Rxg2+\r
+id "ECM.259"\r
+go\r
+setboard r1b1rbk1/7p/2p1pBp1/p2pP1P1/5P2/1PqB4/P1P1Q3/1K4RR w - -\r
+solution Rxh7\r
+id "ECM.260"\r
+go\r
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -\r
+solution Rxh8+\r
+id "ECM.262"\r
+go\r
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.266"\r
+go\r
+setboard r1b1r1k1/1p1n1p2/p1nBp1p1/q2pP1Np/P7/R2B3Q/2P2PPP/5RK1 w - -\r
+solution Nxf7\r
+id "ECM.267"\r
+go\r
+setboard 4n1q1/1k1b4/2p4R/2Pp4/1p1N1rpQ/3B4/PPP2P2/2K5 w - -\r
+solution Nxc6\r
+id "ECM.271"\r
+go\r
+setboard r3r1k1/pp3pp1/2bb1q2/3p4/4n1Pp/2P1BB1P/PP2NPK1/R1Q4R b - -\r
+solution Qxf3+\r
+id "ECM.274"\r
+go\r
+setboard rn4k1/pp2p1b1/4b3/q2p2Q1/2B2P2/8/P1P1K1P1/R6R w - -\r
+solution Rh8+\r
+id "ECM.277"\r
+go\r
+setboard 2r2rk1/pp3qpp/8/3P1b2/3Q4/P1N1B3/5PKP/R2R4 b - -\r
+solution Rxc3\r
+id "ECM.279"\r
+go\r
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -\r
+solution Nxg7\r
+id "ECM.280"\r
+go\r
+setboard 4k3/p4ppp/nb1P4/4p3/1P6/P4BP1/3q1r1P/2R2QKR w - -\r
+solution Qb5+\r
+id "ECM.287"\r
+go\r
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -\r
+solution Nxg7\r
+id "ECM.289"\r
+go\r
+setboard 1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - -\r
+solution Rxb2\r
+id "ECM.291"\r
+go\r
+setboard 5rk1/ppp1q2p/1n1p1np1/3P2N1/1P1R2P1/2Q4P/P3r1B1/5RK1 b - -\r
+solution Rxg2+\r
+id "ECM.292"\r
+go\r
+setboard 6k1/pp2p2p/3p2p1/4b1r1/2Pn1r1q/2B1N3/PP4B1/R3QRK1 b - -\r
+solution Qh2+\r
+id "ECM.293"\r
+go\r
+setboard r2k3r/2pb1ppp/p1p1q3/2Q5/5B2/2N5/PPP2PPP/3R2K1 w - -\r
+solution Bxc7+\r
+id "ECM.295"\r
+go\r
+setboard 2r1qrk1/pp1b1ppp/4pn2/n1b5/8/2NQ1NP1/PP1BPPBP/R2R2K1 w - -\r
+solution b4\r
+id "ECM.297"\r
+go\r
+setboard 2b1qr1k/7p/p1pR2p1/1pP1p1Q1/4P3/1B6/PP4PP/6K1 w - -\r
+solution Re6\r
+id "ECM.298"\r
+go\r
+setboard 8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - -\r
+solution Kxd5\r
+id "ECM.300"\r
+go\r
+setboard 3r1rk1/2p1qp1p/pnP3p1/4n3/PP1NpR2/1BQ4P/6P1/5RK1 w - -\r
+solution Ne6\r
+id "ECM.307"\r
+go\r
+setboard r5rk/1p1bqpnp/3p1b1B/pBnPp2P/4P3/2N2Q2/PP3P2/R3KNR1 b Q -\r
+solution Nf5\r
+id "ECM.310"\r
+go\r
+setboard r3r1k1/p1q2pp1/2p4p/7n/BPPP2N1/3Q1N2/P3n1P1/R1B4K b - -\r
+solution Nhg3+\r
+id "ECM.312"\r
+go\r
+setboard r1b2rk1/p3bppp/2q5/8/2p1NR2/PnB1P3/1PB1Q1PP/3R2K1 w - -\r
+solution Rd6\r
+id "ECM.315"\r
+go\r
+setboard 1rb2rk1/p1p2ppp/2q5/3R4/2P1N3/bP4B1/P1Q2P1P/1K5R w - -\r
+solution Bd6\r
+id "ECM.318"\r
+go\r
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -\r
+solution Rd5\r
+id "ECM.321"\r
+go\r
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -\r
+solution Rxd7\r
+id "ECM.327"\r
+go\r
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -\r
+solution Qh6\r
+id "ECM.329"\r
+go\r
+setboard 2r2r1k/1pq1b1p1/p1b1Qn1p/8/3B4/2NB4/PPP3PP/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.330"\r
+go\r
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -\r
+solution Rxc8+\r
+id "ECM.332"\r
+go\r
+setboard 8/5p2/4p1k1/4P1p1/2rBRbK1/5P2/r4P2/7R b - -\r
+solution Rxd4\r
+id "ECM.335"\r
+go\r
+setboard r1bqr1k1/pp3pp1/2p4p/3PN1n1/3P1b2/2NB4/PPQ2PPP/3R1RK1 b - -\r
+solution Rxe5\r
+id "ECM.336"\r
+go\r
+setboard r3r1k1/pbqn1ppp/1p3n2/1Pb5/2p5/5N1P/PBQ1BPP1/1N1R1RK1 b - -\r
+solution Rxe2\r
+id "ECM.337"\r
+go\r
+setboard 2r2rbk/6bp/5qp1/1N1p1n2/4p3/1p5P/1P3PP1/RBBQ1RK1 b - -\r
+solution Ng3\r
+id "ECM.338"\r
+go\r
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -\r
+solution Rxc5\r
+id "ECM.339"\r
+go\r
+setboard 1k2r2r/1bpQN2p/1p6/P3p2q/4np2/2P2N2/2P2PPP/R3R1K1 b - -\r
+solution Rxe7\r
+id "ECM.340"\r
+go\r
+setboard r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - -\r
+solution Qf6+\r
+id "ECM.342"\r
+go\r
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -\r
+solution Nxe6\r
+id "ECM.343"\r
+go\r
+setboard 2r1k2r/1pq1bppp/p3bn2/4N3/2pPN3/2P5/P3QPPP/R1B1R1K1 w k -\r
+solution Nxf6+\r
+id "ECM.345"\r
+go\r
+setboard 1r3k1r/4Rn1p/pb1p1P2/1p1q2P1/5p2/7Q/PPP1B1RP/2K5 w - -\r
+solution Rxf7+\r
+id "ECM.346"\r
+go\r
+setboard r3r1k1/pp3ppp/1qp5/2bbNQ2/5B2/2P5/PP3PPP/3RR1K1 w - -\r
+solution Rxd5\r
+id "ECM.349"\r
+go\r
+setboard r2qn1k1/1p1b3p/2pp1b2/6pQ/p1P1P3/P1N3PB/1P6/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.351"\r
+go\r
+setboard r4k1r/pp2pp2/3p1b2/q2PnQpp/3N4/1BP3P1/PP3PP1/3RR1K1 w - -\r
+solution Rxe5\r
+id "ECM.353"\r
+go\r
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -\r
+solution Rxd7\r
+id "ECM.355"\r
+go\r
+setboard 2r2rk1/p3p1bp/3qP1p1/1Q1p4/P4P2/3R4/1P4PP/2B2RK1 b - -\r
+solution Rxc1\r
+id "ECM.356"\r
+go\r
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -\r
+solution Rxd4\r
+id "ECM.357"\r
+go\r
+setboard 1r6/3b1pk1/pr1p1q1p/2pPb1p1/2B1P1P1/2N2PP1/1PQ3K1/RR6 b - -\r
+solution Rxb2\r
+id "ECM.358"\r
+go\r
+setboard 2r3k1/p1r1ppb1/2bp1np1/q5N1/1p1BP2Q/3P4/PP2N1PP/2R2R1K w - -\r
+solution Bxf6\r
+id "ECM.360"\r
+go\r
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -\r
+solution Rxd8\r
+id "ECM.366"\r
+go\r
+setboard r4rk1/5p2/p1b1pQpq/8/1B2P3/2NR4/PPP3PP/1K6 w - -\r
+solution Rd5\r
+id "ECM.367"\r
+go\r
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -\r
+solution Rxg6+\r
+id "ECM.368"\r
+go\r
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -\r
+solution Bd8\r
+id "ECM.370"\r
+go\r
+setboard 1k2rb1r/pbp1q1pp/2pp4/2PnpP2/Q7/1P3NP1/PB5P/2KR1B1R w - -\r
+solution Rxd5\r
+id "ECM.371"\r
+go\r
+setboard 7k/p1p1r2p/1p1pnr1q/5pp1/2PPPp2/2PB1P1P/P2Q1PRK/7R b - -\r
+solution g4\r
+id "ECM.372"\r
+go\r
+setboard 5qk1/p4p2/1p3Pp1/2p4Q/3rr3/7R/PP6/6RK b - -\r
+solution Rh4\r
+id "ECM.373"\r
+go\r
+setboard 2b4B/1pp2k2/1p6/3P3n/5p1P/1P4p1/P2r2P1/R5KR b - -\r
+solution f3\r
+id "ECM.375"\r
+go\r
+setboard r3k2N/pppbq1pp/5n2/3Ppn2/2BP4/2P3bP/PP2Q1P1/RNB2K1R b q -\r
+solution Bh2\r
+id "ECM.376"\r
+go\r
+setboard r2q1r2/p1pbppbk/1p3npp/n2P2B1/7Q/2NB1N2/PPP3PP/4RRK1 w - -\r
+solution d6\r
+id "ECM.377"\r
+go\r
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -\r
+solution Bxe5+\r
+id "ECM.379"\r
+go\r
+setboard r4r1k/1bq4p/p4bp1/3pn3/NP6/Q1PBB2P/6P1/3R1RK1 b - -\r
+solution d4\r
+id "ECM.387"\r
+go\r
+setboard 2k1r3/Qp3pb1/2p4p/6q1/8/1P4PN/PBPn1P2/K2R4 b - -\r
+solution Qe5\r
+id "ECM.390"\r
+go\r
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -\r
+solution Rxa6\r
+id "ECM.394"\r
+go\r
+setboard r5kr/p3PR1p/1p1p2pq/4n3/8/3B4/P4QPP/4R1K1 w - -\r
+solution Rxe5\r
+id "ECM.395"\r
+go\r
+setboard 2bq1b2/1p3k2/1r1p1p1p/pNpP1PpP/P1P3P1/6B1/1P5Q/2K1R3 w - -\r
+solution Re6\r
+id "ECM.396"\r
+go\r
+setboard 2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - -\r
+solution Rhg8\r
+id "ECM.397"\r
+go\r
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -\r
+solution Rxd3\r
+id "ECM.398"\r
+go\r
+setboard 2r2nk1/6pp/p1rPqp2/1pP1p3/1P6/2B3R1/1P2Q1PP/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.399"\r
+go\r
+setboard r2rnbk1/pp3ppp/1q4n1/3p1N2/5P2/1PQB4/PBP3PP/4RR1K w - -\r
+solution Nh6+\r
+id "ECM.401"\r
+go\r
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -\r
+solution e5\r
+id "ECM.402"\r
+go\r
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -\r
+solution Rxc4\r
+id "ECM.408"\r
+go\r
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -\r
+solution e6\r
+id "ECM.410"\r
+go\r
+setboard r4rk1/1b4bp/p1npq1P1/R3p3/8/1N2BP2/1PPQ2P1/4KB1R w K -\r
+solution Qxd6\r
+id "ECM.411"\r
+go\r
+setboard 6k1/pbq2pp1/4r2p/8/3prb2/1P1Q3P/PN2BPP1/3RRK2 b - -\r
+solution Bd2\r
+id "ECM.412"\r
+go\r
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -\r
+solution Ng5\r
+id "ECM.416"\r
+go\r
+setboard r3kbnr/1ppb3p/p1q1pp2/3p4/3P4/2N2N2/PPP2PPP/R1BQ1RK1 w kq -\r
+solution Ne5\r
+id "ECM.418"\r
+go\r
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.419"\r
+go\r
+setboard 3rr1k1/1p1qb2p/pP4p1/2p2p2/4RQ2/3P4/1PPB2PP/4R1K1 w - -\r
+solution Bc3\r
+id "ECM.420"\r
+go\r
+setboard 6k1/rnqb3p/5ppQ/2pPp3/p1N1P3/2PB3P/5PP1/1R4K1 w - -\r
+solution f4\r
+id "ECM.422"\r
+go\r
+setboard 7r/pp4k1/3pn1p1/q1pB1b2/2P5/5NR1/1P3PP1/2Q3K1 w - -\r
+solution b4\r
+id "ECM.423"\r
+go\r
+setboard 6k1/p4p1p/3pqp2/2p1r3/2Pnr1N1/P6P/1P1Q1PP1/3R1RK1 b - -\r
+solution Ne2+\r
+id "ECM.427"\r
+go\r
+setboard r2b4/pb2q1k1/np1p2r1/1N1Pp2Q/PPN1Pp2/8/2R2BPp/2R4K w - -\r
+solution Ncxd6\r
+id "ECM.434"\r
+go\r
+setboard r7/2qnb1kp/p2p1nP1/1p1Pp1p1/6N1/3BB2Q/PPP4P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.435"\r
+go\r
+setboard n1rqk3/1p2p3/1n1pP1p1/pP1P1p1r/3B3P/1BN3p1/3Q4/R3K2R w KQ -\r
+solution Qg5\r
+id "ECM.436"\r
+go\r
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -\r
+solution Bh4\r
+id "ECM.438"\r
+go\r
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -\r
+solution Bf8\r
+id "ECM.439"\r
+go\r
+setboard 4rr1k/pbp3bp/3p4/1p5q/3n4/1B1Q2B1/PP1N1N1P/4RRK1 b - -\r
+solution Rf3\r
+id "ECM.440"\r
+go\r
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -\r
+solution Ng6+\r
+id "ECM.442"\r
+go\r
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -\r
+solution Qb2\r
+id "ECM.443"\r
+go\r
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -\r
+solution Qxg5+\r
+id "ECM.445"\r
+go\r
+setboard 2k5/1p1b4/2n1p1r1/7q/4RP2/3BQN2/2P2K1P/8 w - -\r
+solution f5\r
+id "ECM.447"\r
+go\r
+setboard 2k3r1/1ppr3p/p1pB2q1/6n1/N3Pp2/8/PPP1Q1PP/3R1RK1 b - -\r
+solution f3\r
+id "ECM.448"\r
+go\r
+setboard 6r1/6rk/3p3p/p2Rp3/R1PqPp1b/2N2Q2/6PP/7K b - -\r
+solution Rxg2\r
+id "ECM.450"\r
+go\r
+setboard 2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - -\r
+solution h4\r
+id "ECM.456"\r
+go\r
+setboard 6nk/p4rrp/1p1p1p2/1q1Pp2R/4B1P1/1PP2Q1R/P6P/7K w - -\r
+solution g5\r
+id "ECM.458"\r
+go\r
+setboard r1b1k2r/6pp/p1p1p3/3np1B1/1b2N3/8/q1PQB1PP/3RK2R w Kkq -\r
+solution Qxb4\r
+id "ECM.459"\r
+go\r
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -\r
+solution Bxh5\r
+id "ECM.460"\r
+go\r
+setboard 4r1kb/p2r4/1np1p1p1/3nP1Bp/1p3P1R/1B2qP2/PPPN3Q/2K4R w - -\r
+solution Rxh5\r
+id "ECM.463"\r
+go\r
+setboard 2rq2k1/pp1bpp1p/3p1np1/8/3NPPnQ/1BP5/P1P3P1/1K1R3R w - -\r
+solution e5\r
+id "ECM.464"\r
+go\r
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -\r
+solution Rxd5\r
+id "ECM.465"\r
+go\r
+setboard 2r1kr2/p1qbbp1Q/3pp3/5p2/1p1N1PB1/6P1/PPP4P/K2RR3 w - -\r
+solution Bxf5\r
+id "ECM.466"\r
+go\r
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -\r
+solution Rf6\r
+id "ECM.467"\r
+go\r
+setboard 2rr2k1/5pn1/1b2q1pp/pP1pP3/2pP1PP1/2R1B2P/2Q3B1/3R3K w - -\r
+solution f5\r
+id "ECM.468"\r
+go\r
+setboard 2Q2bkr/5p2/1rb5/1pN1n1qB/1P1pPN2/6P1/5P2/R1R3K1 w - -\r
+solution Nce6\r
+id "ECM.469"\r
+go\r
+setboard 2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - -\r
+solution Nc3+\r
+id "ECM.470"\r
+go\r
+setboard r7/pp4pk/2n3qp/5p2/3p4/P4QB1/1PP1RPPP/6K1 b - -\r
+solution d3\r
+id "ECM.473"\r
+go\r
+setboard 2r2r1k/1p3p1p/p2p1Pp1/3Pp3/1q2Bn1Q/8/1PP3PP/4RR1K w - -\r
+solution Rxf4\r
+id "ECM.474"\r
+go\r
+setboard r4rk1/5ppp/p7/4PR2/P1qnp2Q/4B3/1P4PP/5RK1 w - -\r
+solution Rh5\r
+id "ECM.475"\r
+go\r
+setboard 4r3/pb3pk1/6p1/8/6P1/1PNrB2K/P4P1P/2R5 b - -\r
+solution Rexe3+\r
+id "ECM.476"\r
+go\r
+setboard 1r2k2r/1bq2pp1/pn2p2p/1p2P1b1/3N4/2N3Q1/PPP3PP/1K1R1BR1 w k -\r
+solution Bxb5+\r
+id "ECM.482"\r
+go\r
+setboard 2r2r2/p4p1k/1p2pBpn/2p5/6N1/8/P4P2/R3R1K1 w - -\r
+solution Kg2\r
+id "ECM.484"\r
+go\r
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -\r
+solution Bg5\r
+id "ECM.485"\r
+go\r
+setboard 2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - -\r
+solution Bh3\r
+id "ECM.488"\r
+go\r
+setboard 2b3k1/5qp1/p2r1n1p/3p4/3B4/1RP3QP/P2Nr1P1/3R2K1 b - -\r
+solution Ne4\r
+id "ECM.489"\r
+go\r
+setboard 1r2r1k1/p4ppb/q1pbnn1p/4p3/N1P1P3/pPB2NP1/2Q1RPBP/R5K1 b - -\r
+solution Nxe4\r
+id "ECM.491"\r
+go\r
+setboard r4r2/1pnqb2k/3p1p1p/p1pPpPpP/2P1N1P1/4BP2/PP1Q4/R2R2K1 w - -\r
+solution Bxc5\r
+id "ECM.492"\r
+go\r
+setboard 6kr/1p1r1p1p/p2pnPpQ/3Np2R/2q1P3/5P2/PPP5/2KR4 w - -\r
+solution Rxe5\r
+id "ECM.494"\r
+go\r
+setboard rq1r2k1/3nbp1p/p2p2p1/1p1Pp1P1/3B1P2/3B3Q/PPP4P/2KR2R1 w - -\r
+solution f5\r
+id "ECM.497"\r
+go\r
+setboard r4rk1/1bq1bppp/8/p2pPR2/3B4/1NnP3Q/1P4PP/4R1K1 w - -\r
+solution Rh5\r
+id "ECM.498"\r
+go\r
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -\r
+solution Nxh5\r
+id "ECM.499"\r
+go\r
+setboard r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - -\r
+solution f3\r
+id "ECM.500"\r
+go\r
+setboard 4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - -\r
+solution Nxf3\r
+id "ECM.501"\r
+go\r
+setboard r3rk2/pb2bpp1/1n5p/q1pP1B2/1p3B2/5N2/PPQ2PPP/R2R2K1 w - -\r
+solution Bc8\r
+id "ECM.503"\r
+go\r
+setboard r1bqr2k/ppp2p1p/5b2/3Pn1p1/1PP1Bp2/8/PB2N1PP/R2Q1RK1 w - -\r
+solution Nxf4\r
+id "ECM.504"\r
+go\r
+setboard 1q4k1/p3rppp/3b1n2/8/5P2/4P3/PP1B3P/RNQ3K1 b - -\r
+solution Bxf4\r
+id "ECM.505"\r
+go\r
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -\r
+solution Rxe6\r
+id "ECM.510"\r
+go\r
+setboard 2bk3r/3r2pp/p2nQ3/q2R2P1/1p6/8/PPP2P1P/1K3B1R b - -\r
+solution Qxd5\r
+id "ECM.525"\r
+go\r
+setboard 1kb3rr/1p2n2q/1Np2p2/1p6/1P1N1P1p/8/2P1RQPP/R6K w - -\r
+solution Nxb5\r
+id "ECM.529"\r
+go\r
+setboard 6k1/5qp1/pN5p/3pRp2/3QnP2/2r4P/r5P1/6RK b - -\r
+solution Qh5\r
+id "ECM.539"\r
+go\r
+setboard r1b2rk1/ppp2ppp/2n3q1/b2N2N1/2BP4/4p2P/PPP3P1/R2Q1RK1 w - -\r
+solution Nxf7\r
+id "ECM.553"\r
+go\r
+setboard r6r/pR1nqkpp/2p1p3/3p4/6Q1/2b4P/P1PP1PP1/2B1R1K1 w - -\r
+solution Rxe6\r
+id "ECM.555"\r
+go\r
+setboard 5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - -\r
+solution Bxh4\r
+id "ECM.557"\r
+go\r
+setboard r1b2rk1/4bnpp/2p5/pp2q3/4N3/PQ2B1P1/1PP3BP/4RRK1 w - -\r
+solution Ng5\r
+id "ECM.559"\r
+go\r
+setboard 2rr2k1/1p3p2/p2n2p1/P2PnNq1/3QP1p1/1RN5/6PP/5RK1 b - -\r
+solution Nf3+\r
+id "ECM.560"\r
+go\r
+setboard r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q -\r
+solution Nxe4\r
+id "ECM.561"\r
+go\r
+setboard 2r2rk1/pp2bppp/3q1n2/3nNRB1/3P4/1B5Q/PP4PP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.562"\r
+go\r
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -\r
+solution Rxc5\r
+id "ECM.566"\r
+go\r
+setboard 2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - -\r
+solution Nxc1\r
+id "ECM.569"\r
+go\r
+setboard 5rk1/bp4p1/p2rp2p/8/8/2PN4/PP1R1PPP/3R2K1 b - -\r
+solution e5\r
+id "ECM.577"\r
+go\r
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -\r
+solution Bh3\r
+id "ECM.578"\r
+go\r
+setboard r3r1k1/p2n4/3p1pp1/qnp3B1/1p2P1P1/1P3P2/PP2N2Q/1K1R1B2 w - -\r
+solution Nf4\r
+id "ECM.580"\r
+go\r
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -\r
+solution Nxc6\r
+id "ECM.587"\r
+go\r
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -\r
+solution h3\r
+id "ECM.589"\r
+go\r
+setboard 4r1k1/r1q2p1p/p5pB/1pbBpN1n/1n2P3/5Q2/PP3PPP/R1R3K1 w - -\r
+solution Rxc5\r
+id "ECM.592"\r
+go\r
+setboard r1r3k1/ppnbb1pp/2ppp1q1/1P3p2/P1PPn3/2N2NP1/2Q1PPBP/1RB2RK1 w - -\r
+solution Nxe4\r
+id "ECM.593"\r
+go\r
+setboard 1rb1r1k1/p1p1qppp/2pb4/8/2P3n1/4P1P1/PB2BP1P/R1QN1RK1 b - -\r
+solution Nxh2\r
+id "ECM.595"\r
+go\r
+setboard rnb2rk1/pp4pp/2pb1n2/3N1p1q/2P5/3N2P1/P1Q1PPBP/R1B2RK1 w - -\r
+solution Bf4\r
+id "ECM.597"\r
+go\r
+setboard 8/8/1p1k4/5ppp/PPK1p3/6P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.598"\r
+go\r
+setboard 7k/8/1p1ppp1p/1Pp5/2P2P2/8/3P2PP/6K1 w - -\r
+solution f5\r
+id "ECM.600"\r
+go\r
+setboard 8/p5k1/2p2p2/4p1p1/1p2P3/1P4PP/1PP5/5K2 b - -\r
+solution g4\r
+id "ECM.601"\r
+go\r
+setboard 8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - -\r
+solution g5\r
+id "ECM.605"\r
+go\r
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -\r
+solution Bxg6\r
+id "ECM.607"\r
+go\r
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -\r
+solution Rxc6\r
+id "ECM.608"\r
+go\r
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -\r
+solution f6\r
+id "ECM.609"\r
+go\r
+setboard 2kr3r/ppp1qpp1/2p5/2b2b2/2P1pPP1/1P2P1p1/PBQPB3/RN2K1R1 b Q -\r
+solution Rh1\r
+id "ECM.610"\r
+go\r
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -\r
+solution e5\r
+id "ECM.613"\r
+go\r
+setboard 5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -\r
+solution Qxf7+\r
+id "ECM.614"\r
+go\r
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -\r
+solution b5\r
+id "ECM.615"\r
+go\r
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -\r
+solution Rxa6\r
+id "ECM.616"\r
+go\r
+setboard 3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - -\r
+solution Rxa6\r
+id "ECM.617"\r
+go\r
+setboard 6B1/2p2pp1/2p5/p3K3/1k6/nP4P1/5P1P/8 b - -\r
+solution Nc4+\r
+id "ECM.621"\r
+go\r
+setboard 6k1/p3b1pp/4p3/4Pp2/Pp1r1P1P/1P4P1/2p2R2/5RK1 b - -\r
+solution Rc4\r
+id "ECM.623"\r
+go\r
+setboard 4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - -\r
+solution Qe6\r
+id "ECM.624"\r
+go\r
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -\r
+solution Ba6\r
+id "ECM.626"\r
+go\r
+setboard 3rr1k1/pppRn1pp/4Pp2/1P5q/1QB5/4P3/P4P1P/4K1R1 w - -\r
+solution Qxe7\r
+id "ECM.627"\r
+go\r
+setboard 8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - -\r
+solution b2+\r
+id "ECM.629"\r
+go\r
+setboard 3qr1k1/p4ppp/1p1P4/2r1nN2/4P2n/P7/1B4P1/3QRRK1 w - -\r
+solution d7\r
+id "ECM.632"\r
+go\r
+setboard 4r3/p4pk1/6p1/P1pB2Pp/2P3b1/2p1N1P1/Qb1r1P2/6K1 b - -\r
+solution Rxe3\r
+id "ECM.634"\r
+go\r
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -\r
+solution Nxa7\r
+id "ECM.635"\r
+go\r
+setboard r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - -\r
+solution Rxf6\r
+id "ECM.636"\r
+go\r
+setboard r3qr1k/1b4pp/p2RQ3/Bp2p3/4p3/6P1/PPP2P1P/3R2K1 b - -\r
+solution Qh5\r
+id "ECM.637"\r
+go\r
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -\r
+solution Rxb2\r
+id "ECM.640"\r
+go\r
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -\r
+solution f5\r
+id "ECM.644"\r
+go\r
+setboard 8/2k5/2p5/2pb2K1/pp4P1/1P1R4/P7/8 b - -\r
+solution Bxb3\r
+id "ECM.646"\r
+go\r
+setboard 4r2k/p2qr1pp/1pp2p2/2p1nP1N/4R3/1P1P2RP/1PP2QP1/7K w - -\r
+solution Rxg7\r
+id "ECM.648"\r
+go\r
+setboard 8/1R2P3/6k1/3B4/2P2P2/1p2r3/1Kb4p/8 w - -\r
+solution Be6\r
+id "ECM.650"\r
+go\r
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -\r
+solution Bb5\r
+id "ECM.653"\r
+go\r
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.654"\r
+go\r
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -\r
+solution Rxh7\r
+id "ECM.663"\r
+go\r
+setboard r1b2rk1/2q1bppp/p1n1p3/1p1np1P1/5P2/1NNBBQ2/PPP4P/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.665"\r
+go\r
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -\r
+solution Nxh7\r
+id "ECM.666"\r
+go\r
+setboard 2rqr1k1/1p1bbppp/p3p3/n7/3P2Q1/2PB1N2/P4PPP/R1B1R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.673"\r
+go\r
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -\r
+solution Nxh7\r
+id "ECM.674"\r
+go\r
+setboard rn1q1rk1/pb1p1ppp/4p3/2pnP3/1bp5/2N2N2/PP3PPP/RBBQK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.675"\r
+go\r
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -\r
+solution Rxh7\r
+id "ECM.676"\r
+go\r
+setboard r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.677"\r
+go\r
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -\r
+solution Nxh7\r
+id "ECM.679"\r
+go\r
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.680"\r
+go\r
+setboard 1r2nrkb/2n2p1p/p2p1Pp1/P1pPp1P1/1pP1P1q1/1P1BB1N1/3Q4/2KR3R w - -\r
+solution Rxh7\r
+id "ECM.681"\r
+go\r
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -\r
+solution Bxh7+\r
+id "ECM.682"\r
+go\r
+setboard r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 b - -\r
+solution Rxh2\r
+id "ECM.683"\r
+go\r
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -\r
+solution Nxh7\r
+id "ECM.684"\r
+go\r
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -\r
+solution Rxh7\r
+id "ECM.685"\r
+go\r
+setboard r2qn1k1/pb4Pp/1pn5/2p5/2P2p2/P1PB4/5PPP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.686"\r
+go\r
+setboard r4rk1/pp1n1ppp/3qp3/3nN1P1/b2P4/P2B1Q2/3B1P1P/1R2R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.687"\r
+go\r
+setboard r2r2k1/ppqbbppp/4pn2/6N1/n1P4P/3B1N2/PP2QPP1/1KBR3R w - -\r
+solution Nxh7\r
+id "ECM.688"\r
+go\r
+setboard r6r/4ppk1/p2p1bp1/B2p4/3P2p1/QP2P3/P1R1qPPP/2R3K1 b - -\r
+solution Rxh2\r
+id "ECM.690"\r
+go\r
+setboard 4nrk1/r4p1p/p2p2pQ/2pPpNPP/qpn1P3/5P1R/PPP1N3/2K3R1 w - -\r
+solution Qxh7+\r
+id "ECM.691"\r
+go\r
+setboard r3k2r/1b1n1p2/pq1p1bp1/1p4p1/P3P3/1NN5/1PP3PP/R2QRB1K b kq -\r
+solution Rxh2+\r
+id "ECM.692"\r
+go\r
+setboard r2qrnk1/4bppp/b1p5/1p1p2P1/p2P1N1P/2NBP3/PPQ2P2/2K3RR w - -\r
+solution Bxh7+\r
+id "ECM.693"\r
+go\r
+setboard 3r1rk1/4qp1p/p1bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -\r
+solution Bxh2+\r
+id "ECM.696"\r
+go\r
+setboard r2q1rk1/3n1ppp/8/1pbP2P1/p1N4P/PnBBPQ2/5P2/R3K2R w KQ -\r
+solution Bxh7+\r
+id "ECM.697"\r
+go\r
+setboard 2k3r1/ppq2p1p/n1Pb1p2/8/6r1/4BN1b/PPQ2PPP/R3RBK1 b - -\r
+solution Bxh2+\r
+id "ECM.698"\r
+go\r
+setboard 3qr1k1/1br2ppp/p2b4/8/PpNp4/3P4/1PP2PPP/R1BQ1RK1 b - -\r
+solution Bxh2+\r
+id "ECM.699"\r
+go\r
+setboard r1b4r/3p1kp1/pp3q1p/4RP2/8/B7/P5PP/4QRK1 w - -\r
+solution Qe4\r
+id "ECM.701"\r
+go\r
+setboard 1r2rnk1/2R2bpp/p2q4/1p1N2R1/5P2/1Q1B3P/PP4P1/7K w - -\r
+solution Rxg7+\r
+id "ECM.702"\r
+go\r
+setboard 2r2r1k/3b1pb1/p3pp1p/q2p1P1B/8/2N2RR1/P1PQ2PP/7K w - -\r
+solution Rxg7\r
+id "ECM.706"\r
+go\r
+setboard r2qr1k1/1p3ppp/2pb4/2Np4/1P1P2bn/3BP3/2QN1PPP/1RR3K1 b - -\r
+solution Nxg2\r
+id "ECM.712"\r
+go\r
+setboard r3r1k1/pp3pp1/3p4/2q4p/2P5/1PB2Q1P/n4PP1/3R1RK1 w - -\r
+solution Bxg7\r
+id "ECM.713"\r
+go\r
+setboard r5k1/pn1q1rpp/2pp4/5R1N/bP6/4BQ2/P4PPP/2R3K1 w - -\r
+solution Nxg7\r
+id "ECM.714"\r
+go\r
+setboard 3r1rk1/5pp1/pq1n1n1p/2pPR3/2B2P2/1PBQ2RP/P5P1/6K1 w - -\r
+solution Rxg7+\r
+id "ECM.715"\r
+go\r
+setboard rn3rk1/ppq2ppp/2pb1nb1/5N2/2BP4/8/PPP1N1P1/R1B1QR1K w - -\r
+solution Nxg7\r
+id "ECM.716"\r
+go\r
+setboard r1qb1r1k/2p3pp/p1n1bp2/1p1Np2Q/P3P3/1BP3R1/1P3PPP/R1B3K1 w - -\r
+solution Rxg7\r
+id "ECM.717"\r
+go\r
+setboard r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - -\r
+solution Rxg7+\r
+id "ECM.718"\r
+go\r
+setboard 4q1k1/1b3r1p/p4pp1/1p6/2P2n2/1P3N2/1B3PPP/R2Q3K b - -\r
+solution Nxg2\r
+id "ECM.719"\r
+go\r
+setboard 4rrk1/2pn2pb/p1p1qp2/1pb1pN2/P3P1PN/1P1P4/1BP2PK1/R2Q3R w - -\r
+solution Nxg7\r
+id "ECM.721"\r
+go\r
+setboard r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - -\r
+solution Rg3\r
+id "ECM.722"\r
+go\r
+setboard 4kbr1/pp1bpp1p/3p1p2/3N4/1PBQP3/q7/P1r2PPP/R4RK1 b - -\r
+solution Rxg2+\r
+id "ECM.725"\r
+go\r
+setboard rq1r1bk1/1b3pp1/3pn2p/1n2BN1P/1P2P3/3R1NP1/3Q1PB1/2R3K1 w - -\r
+solution Bxg7\r
+id "ECM.728"\r
+go\r
+setboard 3q1r2/1p1b1pk1/pn5p/3pN1pQ/3P3P/2r3B1/P4PP1/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.730"\r
+go\r
+setboard 2r3k1/pbq1np1p/1p1b1Bp1/8/6QP/2P2N2/B4PP1/4R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.733"\r
+go\r
+setboard r3r1k1/1bqn1ppp/1pp2p2/8/3P4/1B4N1/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.734"\r
+go\r
+setboard r3r1k1/pp3ppp/8/1Nbp3q/3NnBn1/2P5/PPQ2PPP/3R1RK1 b - -\r
+solution Ngxf2\r
+id "ECM.735"\r
+go\r
+setboard r2r2k1/1b2qpp1/1p2n3/p1b1p2p/4P1n1/PP1B2PP/1B1NQP2/R3NRK1 b - -\r
+solution Nxf2\r
+id "ECM.736"\r
+go\r
+setboard r5k1/1pp3pp/1b1p1r2/pN1P1n2/P1P3nq/6N1/1P1B1PQP/4RRK1 b - -\r
+solution Nxf2\r
+id "ECM.738"\r
+go\r
+setboard r2qr1k1/pb2bp1p/1pn1p1pB/8/2BP4/P1P2N2/4QPPP/3R1RK1 w - -\r
+solution d5\r
+id "ECM.742"\r
+go\r
+setboard r2qr1k1/1b1nbp1p/p3pp2/1p2N3/3P4/3B1N2/PP2QPPP/R2R2K1 w - -\r
+solution Nxf7\r
+id "ECM.745"\r
+go\r
+setboard r3kr2/1b2qp2/pp2p2N/4p2Q/8/2n5/P3B1PP/3R1R1K w q -\r
+solution Nxf7\r
+id "ECM.752"\r
+go\r
+setboard rqb1k2r/1p1nbp1p/p4pp1/8/1PBN1P2/P1N1P3/7P/2RQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.754"\r
+go\r
+setboard r2r2k1/4ppbp/5np1/p1q5/QnB1P3/5N2/1P3PPP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.755"\r
+go\r
+setboard 1r4k1/p4pp1/bqnrpn1p/2ppN3/2P2P1B/P3P3/1P2B1PP/1Q1R1RK1 w - -\r
+solution Bxf6\r
+id "ECM.758"\r
+go\r
+setboard 2rqr1k1/pp2nppp/3p2b1/6B1/2BNn1Q1/P7/1PP2PPP/2KRR3 w - -\r
+solution Bxf7+\r
+id "ECM.761"\r
+go\r
+setboard r3r1k1/pbq1ppbp/1pp2np1/4N3/3P4/2P5/PPB1QPPP/R1B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.762"\r
+go\r
+setboard r1b2rk1/p6p/2p3Pb/3pp1q1/8/2PB4/PP3PP1/RN1Q1K1R b - -\r
+solution Rxf2+\r
+id "ECM.763"\r
+go\r
+setboard r2rn3/1p3pk1/p1pNn1pp/q3P3/P7/1PN4P/2QR1PP1/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.764"\r
+go\r
+setboard r1bqr1k1/1p1nnpb1/p5pp/2P1p1B1/B3N3/5N2/P4PPP/2RQR1K1 w - -\r
+solution Nd6\r
+id "ECM.765"\r
+go\r
+setboard r1b1r1k1/pp2qpbp/2p3p1/2P5/3NnB2/7P/PPQ1PPB1/2RR2K1 b - -\r
+solution Nxf2\r
+id "ECM.766"\r
+go\r
+setboard rn2r1k1/pp3p1p/3P2p1/2p1bbB1/2B5/2N5/Pq4PP/R2Q1RK1 w - -\r
+solution Bxf7+\r
+id "ECM.767"\r
+go\r
+setboard 1bq2k2/1b1n1pp1/pp5p/2pBpN2/P3P2B/3Q1P2/1PP3PP/4K3 w - -\r
+solution Bxf7\r
+id "ECM.769"\r
+go\r
+setboard rnb2rk1/pp3pbp/2p3pB/2q5/4P3/1BN5/PPP3PP/R2Q1R1K w - -\r
+solution Rxf7\r
+id "ECM.770"\r
+go\r
+setboard 3qr1k1/1br1bp1p/p3p1pB/1p1nN3/3PB3/7Q/PP3PPP/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.771"\r
+go\r
+setboard rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - -\r
+solution Bxh6\r
+id "ECM.773"\r
+go\r
+setboard r2r2k1/pb1nbpp1/1qp1pn1p/1p2N3/3P1B2/P1N1P3/BPQ2PPP/2R2RK1 w - -\r
+solution Bxh6\r
+id "ECM.774"\r
+go\r
+setboard r1b1r3/pp2Npbk/3pp2p/q5p1/2QNPP2/6P1/PPP3P1/2KR3R w - -\r
+solution Ndf5\r
+id "ECM.776"\r
+go\r
+setboard 1rbqnr2/5p1k/p1np3p/1p1Np3/4P2P/1Q2B3/PPP1BP2/2KR3R w - -\r
+solution Bxh6\r
+id "ECM.779"\r
+go\r
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.780"\r
+go\r
+setboard 3r1r1k/p5p1/n1p2p1p/1qp2b2/N1R4R/1PB1P1P1/P2P3P/3Q2K1 w - -\r
+solution Rxh6+\r
+id "ECM.781"\r
+go\r
+setboard 6rk/3b1n1p/1p1q3b/1PpNp3/2P1Pp2/2Q2NrP/5RP1/2R2B1K b - -\r
+solution Bxh3\r
+id "ECM.783"\r
+go\r
+setboard 2r1r1k1/pb1n1pp1/1p1qpn1p/4N1B1/2PP4/3B4/P2Q1PPP/3RR1K1 w - -\r
+solution Bxh6\r
+id "ECM.789"\r
+go\r
+setboard 2br2k1/4qppp/p5r1/2pBp3/2P1Pn2/4Q2P/RP3PPK/1N4R1 b - -\r
+solution Bxh3\r
+id "ECM.791"\r
+go\r
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -\r
+solution Bxh6\r
+id "ECM.792"\r
+go\r
+setboard 6k1/p4ppp/1pn1b1rr/8/PBpPp2q/2P1P1NP/5PP1/RR3QK1 b - -\r
+solution Bxh3\r
+id "ECM.795"\r
+go\r
+setboard r1b2rk1/1p3pp1/p5Pp/2bpPp1Q/3N4/1Pq1B1R1/2P4P/3R2K1 w - -\r
+solution Bxh6\r
+id "ECM.796"\r
+go\r
+setboard 2b1rk2/r6p/1pP1p1p1/p2pNnR1/5Q2/P1B4q/1PP2P1P/1K4R1 w - -\r
+solution Nxg6+\r
+id "ECM.799"\r
+go\r
+setboard r6r/ppnqpk2/3pbpp1/5N2/1PP1P3/5RR1/P2QB1PP/6K1 w - -\r
+solution Nh6+\r
+id "ECM.801"\r
+go\r
+setboard 2b2r1k/2p3pp/2Nb4/pP5q/2PP4/P4pP1/5P1P/R1BQ2K1 b - -\r
+solution Bxg3\r
+id "ECM.803"\r
+go\r
+setboard r1bq2k1/pp3r1p/2n1p1p1/3pP3/6Q1/2PB2P1/P4PK1/R1B4R w - -\r
+solution Bxg6\r
+id "ECM.804"\r
+go\r
+setboard 3q1rk1/2r4p/n1p1n1pQ/p2pP3/Np1P2R1/5PN1/PP3KP1/2R5 w - -\r
+solution Rxg6+\r
+id "ECM.805"\r
+go\r
+setboard 2rqr1k1/pb2bp1p/1pn1pnpB/4N3/3P4/P1N3R1/1P3PPP/RB1Q2K1 w - -\r
+solution Rxg6+\r
+id "ECM.810"\r
+go\r
+setboard 2r5/pp2qr1k/1nb3pp/2ppBp2/2P4P/3B2R1/P3QPP1/1R4K1 w - -\r
+solution Rxg6\r
+id "ECM.811"\r
+go\r
+setboard 3rr3/3q1p1k/p2P2pp/1bp1b3/5N2/6QP/P1B3P1/3RR1K1 w - -\r
+solution Bxg6+\r
+id "ECM.812"\r
+go\r
+setboard 1n1b1rk1/r4p1p/p1p2qpQ/P3Np2/2BP4/2P1R3/5PPP/R5K1 w - -\r
+solution Rb1\r
+id "ECM.814"\r
+go\r
+setboard 6rk/pb3p1p/3bpPq1/3P4/1p1B3r/1B4P1/PPRQ1R1P/6K1 b - -\r
+solution Bxg3\r
+id "ECM.815"\r
+go\r
+setboard 3rr1k1/pb2bp1p/3qp1pB/1p2N3/3P2Q1/2P1R3/P4PPP/4R1K1 w - -\r
+solution Nxg6\r
+id "ECM.816"\r
+go\r
+setboard 1Q4R1/r2qbp2/3p1kp1/3Bp2p/8/3PP1P1/5PKP/8 w - -\r
+solution Rxg6+\r
+id "ECM.818"\r
+go\r
+setboard k2r3r/ppq2p1p/n1pb1Pp1/4p3/2Q5/1R2B1P1/PPP2PBP/R5K1 w - -\r
+solution Rxb7\r
+id "ECM.821"\r
+go\r
+setboard 1rb2rk1/p1p1qppp/2p2n2/3P4/1b3P2/2NB4/PPPBQ1PP/2KR3R b - -\r
+solution Ba3\r
+id "ECM.822"\r
+go\r
+setboard 4rrk1/p5pp/1p4q1/3p2n1/2pP2P1/P1P1PP2/3B2K1/1R2QR2 b - -\r
+solution Nxf3\r
+id "ECM.824"\r
+go\r
+setboard 1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - -\r
+solution Rxf6\r
+id "ECM.825"\r
+go\r
+setboard 1rbq2k1/b1p3pp/p1Pp4/3Ppr2/8/5N2/PPQ2PPP/R1B2RK1 b - -\r
+solution Rxf3\r
+id "ECM.826"\r
+go\r
+setboard 1r1q1r1k/2p3pp/1p1bQ3/p7/1PP5/Pn3B2/1B3PPP/R4RK1 b - -\r
+solution Rxf3\r
+id "ECM.827"\r
+go\r
+setboard r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - -\r
+solution Nf6+\r
+id "ECM.829"\r
+go\r
+setboard 1n2r3/p1pq1kp1/1b1pNpp1/3P4/5RP1/3Q3P/1B3P2/6K1 w - -\r
+solution Bxf6\r
+id "ECM.830"\r
+go\r
+setboard r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - -\r
+solution Nf3+\r
+id "ECM.831"\r
+go\r
+setboard 3r1b2/p4bkp/1p1P1p2/r3p1p1/2q1N3/2N2P2/1P1R2PP/2QR3K w - -\r
+solution Nxf6\r
+id "ECM.832"\r
+go\r
+setboard rqbn1rk1/1p3ppp/p3p3/8/4NP2/8/PPP1BQPP/1K1R3R w - -\r
+solution Nf6+\r
+id "ECM.833"\r
+go\r
+setboard r1b1kb1r/1p4pp/p2ppn2/8/2qNP3/2N1B3/PPP3PP/R2Q1RK1 w kq -\r
+solution Rxf6\r
+id "ECM.834"\r
+go\r
+setboard 2nr2k1/1pq1bppp/p1p5/2p1P1PQ/2P1NP2/1PNR4/P6P/6K1 w - -\r
+solution Nf6+\r
+id "ECM.836"\r
+go\r
+setboard 6nk/pn2qr1r/1pbp1p1p/2p1pPpN/P1P1P1PP/2PP3R/7Q/2BBK2R w K -\r
+solution Nxf6\r
+id "ECM.837"\r
+go\r
+setboard r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq -\r
+solution Nxe6\r
+id "ECM.841"\r
+go\r
+setboard r1b1k1nr/3n1p1p/1qpBp1p1/pp2b3/4PN2/PBN2Q2/1PP2PPP/2KR3R w kq -\r
+solution Nxe6\r
+id "ECM.842"\r
+go\r
+setboard 2r2rk1/1b3ppp/pq2p3/1pbn2N1/3B3P/1B4P1/P1P1QP2/2KRR3 w - -\r
+solution Qh5\r
+id "ECM.843"\r
+go\r
+setboard r3k2r/pp1n1pb1/1qn1p1p1/2p3Pp/4R2P/2NP2QB/PPPB1P2/2K1R3 w kq -\r
+solution Rxe6+\r
+id "ECM.844"\r
+go\r
+setboard r3k2r/1q3ppp/p3p3/2b1P3/p2N1Q2/P7/1PP3PP/3R1R1K w kq -\r
+solution Nxe6\r
+id "ECM.845"\r
+go\r
+setboard 3qr1k1/rp3pbp/2p3p1/3p1b2/N1nP4/P2NP3/1PQ2PPP/1BRR2K1 b - -\r
+solution Rxe3\r
+id "ECM.846"\r
+go\r
+setboard 1r3rk1/5pbp/p2Pp1p1/q1n3P1/2p2P1P/2N1Q2R/PP6/1BKR4 b - -\r
+solution Rxb2\r
+id "ECM.852"\r
+go\r
+setboard rr4k1/5p1p/n2p1npQ/q1pP4/6P1/2N2P1N/PP1R3P/2K4R b - -\r
+solution Rxb2\r
+id "ECM.853"\r
+go\r
+setboard 1k2bb1r/1p3p1p/p2qpP1p/3pN3/3P1Q2/2RB2P1/PP3P1P/6K1 w - -\r
+solution Qc1\r
+id "ECM.854"\r
+go\r
+setboard 5rk1/5rp1/p2qb3/R2Np2Q/3bP2B/7P/P5PK/1R6 b - -\r
+solution Rf1\r
+id "ECM.856"\r
+go\r
+setboard 3r1rk1/p3q1pp/2Rb4/3P4/8/1P2Qp2/PB3PPP/3R2K1 b - -\r
+solution Bxh2+\r
+id "ECM.858"\r
+go\r
+setboard 1r4k1/1q3pb1/r1b3p1/pp1Qp3/P3P3/1B2BP2/1PP3P1/1K1R3R w - -\r
+solution Qd8+\r
+id "ECM.860"\r
+go\r
+setboard 3r4/kb6/pp6/4R1pr/PPpq4/2N3Q1/2P3PP/3R3K b - -\r
+solution Rf8\r
+id "ECM.862"\r
+go\r
+setboard 8/2q1np1k/6p1/1PPn3p/8/P2Q3P/6P1/2R4K b - -\r
+solution Nf5\r
+id "ECM.864"\r
+go\r
+setboard 7R/1p1r4/2b2p2/2Pp1qk1/3P1bp1/3N4/2Q2PB1/6K1 w - -\r
+solution Rg8+\r
+id "ECM.866"\r
+go\r
+setboard r6r/1pn1b1k1/2p1pq2/2Pp3p/p2P1Pp1/P2BP1P1/1P2QB2/3R2KR w - -\r
+solution Rxh5\r
+id "ECM.867"\r
+go\r
+setboard 1r4k1/pp4pp/2n1b3/1Rq1p3/2P2r2/P1B2P2/2Q1B1PP/3R1K2 b - -\r
+solution Rxf3+\r
+id "ECM.868"\r
+go\r
+setboard 2rq1rk1/5ppp/2b1pb2/np6/6N1/2NBB3/PP3PPP/R2Q2K1 w - -\r
+solution Bb6\r
+id "ECM.872"\r
+go\r
+setboard 5r2/p2p2kp/3PnNp1/1qr1Pp2/2p5/P1R5/6PP/2Q1R1K1 w - -\r
+solution Qh6+\r
+id "ECM.873"\r
+go\r
+setboard 2kr1br1/ppp2p1p/2n1p1q1/2Nn4/3P4/1Q2PB2/PP1B1P1P/2R1K2R b K -\r
+solution Qg1+\r
+id "ECM.875"\r
+go\r
+setboard 2kr3r/1Rp1bpp1/p6q/Q3P3/2P5/3p1NP1/P3P2P/1R4K1 b - -\r
+solution Qe3+\r
+id "ECM.877"\r
+go\r
+setboard 6k1/1R4pp/2p5/8/P1rNp3/6Pb/4PK2/8 w - -\r
+solution a5\r
+id "ECM.878"\r
+go\r
+setboard r2r2k1/pp3ppp/2q5/2p5/2P1P1n1/P4P1b/1BQ1BP1P/R3R2K b - -\r
+solution Rd2\r
+id "ECM.879"\r
+gosetboard 2q1r1k1/1ppb4/r2p1Pp1/p4n1p/2P1n3/5NPP/PP3Q1K/2BRRB2 w - -\r
+solution f7+\r
+id "ECM.001"\r
+go\r
+setboard 7r/1p2k3/2bpp3/p3np2/P1PR4/2N2PP1/1P4K1/3B4 b - -\r
+solution Bxf3+\r
+id "ECM.002"\r
+go\r
+setboard 4k3/p1P3p1/2q1np1p/3N4/8/1Q3PP1/6KP/8 w - -\r
+solution Qb5\r
+id "ECM.003"\r
+go\r
+setboard 2r1b1k1/R4pp1/4pb1p/1pBr4/1Pq2P2/3N4/2PQ2PP/5RK1 b - -\r
+solution Rcxc5\r
+id "ECM.004"\r
+go\r
+setboard 6k1/p1qb1p1p/1p3np1/2b2p2/2B5/2P3N1/PP2QPPP/4N1K1 b - -\r
+solution Bxf2+\r
+id "ECM.005"\r
+go\r
+setboard 3q4/pp3pkp/5npN/2bpr1B1/4r3/2P2Q2/PP3PPP/R4RK1 w - -\r
+solution Bxf6+\r
+id "ECM.006"\r
+go\r
+setboard 3rr1k1/pb3pp1/1p1q1b1p/1P2NQ2/3P4/P1NB4/3K1P1P/2R3R1 w - -\r
+solution Rxg7+\r
+id "ECM.007"\r
+go\r
+setboard r1b1r1k1/p1p3pp/2p2n2/2bp4/5P2/3BBQPq/PPPK3P/R4N1R b - -\r
+solution Bg4\r
+id "ECM.008"\r
+go\r
+setboard 3r4/1b2k3/1pq1pp2/p3n1pr/2P5/5PPN/PP1N1QP1/R2R2K1 b - -\r
+solution Rxh3\r
+id "ECM.009"\r
+go\r
+setboard 2r4k/pB4bp/6p1/6q1/1P1n4/2N5/P4PPP/2R1Q1K1 b - -\r
+solution Qxc1\r
+id "ECM.010"\r
+go\r
+setboard 1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - -\r
+solution Nxg4\r
+id "ECM.011"\r
+go\r
+setboard 5rk1/7p/p1N5/3pNp2/2bPnqpQ/P7/1P3PPP/4R1K1 w - -\r
+solution Ne7+\r
+id "ECM.012"\r
+go\r
+setboard rnb2rk1/pp2np1p/2p2q1b/8/2BPPN2/2P2Q2/PP4PP/R1B2RK1 w - -\r
+solution Nd5\r
+id "ECM.013"\r
+go\r
+setboard 2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - -\r
+solution Nd5\r
+id "ECM.014"\r
+go\r
+setboard r3kb1r/pp2pppp/3q4/3Pn3/6b1/2N1BN2/PP3PPP/R2QKB1R w KQkq -\r
+solution Nxe5\r
+id "ECM.015"\r
+go\r
+setboard 2rr2k1/1b3p1p/p4qpb/2R1n3/3p4/BP2P3/P3QPPP/3R1BKN b - -\r
+solution Rxc5\r
+id "ECM.016"\r
+go\r
+setboard r1b1k3/5p1p/p1p5/3np3/1b2N3/4B3/PPP1BPrP/2KR3R w q -\r
+solution Rxd5\r
+id "ECM.017"\r
+go\r
+setboard r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R2K1 w - -\r
+solution Nxd6\r
+id "ECM.018"\r
+go\r
+setboard b7/2q2kp1/p3pbr1/1pPpP2Q/1P1N3P/6P1/P7/5RK1 w - -\r
+solution Rxf6+\r
+id "ECM.019"\r
+go\r
+setboard 1rr1nbk1/5ppp/3p4/1q1PpN2/np2P3/5Q1P/P1BB1PP1/2R1R1K1 w - -\r
+solution Bxa4\r
+id "ECM.020"\r
+go\r
+setboard r7/5kp1/2p1p2p/1p1n3P/2rP4/2P3R1/PK2RPP1/2B5 b - -\r
+solution Rxc3\r
+id "ECM.021"\r
+go\r
+setboard r1r3k1/p3qpp1/b1P4p/3p4/3Nn3/4P3/P1Q2PPP/1BR1K2R b K -\r
+solution Qb4+\r
+id "ECM.022"\r
+go\r
+setboard rn3rk1/4bppp/1q2p3/p2pP3/8/1PN2B1P/P4PP1/2RQ1RK1 w - -\r
+solution Bxd5\r
+id "ECM.023"\r
+go\r
+setboard 6rk/1p1br2p/pqp5/3pNP2/3Pp3/P5PR/5PKR/Q7 w - -\r
+solution Rxh7+\r
+id "ECM.024"\r
+go\r
+setboard 2b3k1/5p1p/7b/p2B3p/3P4/P2Q1N1P/1q3PP1/6K1 w - -\r
+solution Bxf7+\r
+id "ECM.025"\r
+go\r
+setboard r1b5/4k3/p7/3p1n2/3Bp3/2P2r1P/PPBK1P2/4R2R w - -\r
+solution Bc5+\r
+id "ECM.026"\r
+go\r
+setboard r4rk1/1b3Npp/p7/1p3Q2/3P4/1B2q3/P5PP/3n1R1K b - -\r
+solution Bxg2+\r
+id "ECM.027"\r
+go\r
+setboard r1b2rk1/2q2ppp/2pbp3/p7/4Nn2/3B4/PPPBQ1PP/R4R1K w - -\r
+solution Rxf4\r
+id "ECM.028"\r
+go\r
+setboard 3r2k1/1q1P1ppp/r2R2n1/p4Q2/1ppB2R1/6P1/PP3PP1/6K1 w - -\r
+solution Rgxg6\r
+id "ECM.029"\r
+go\r
+setboard r2q1rk1/p3b1pp/2p5/1pn5/1n1Bp1b1/1P6/PQ1PPP2/2RNKBNR b K -\r
+solution Bxe2\r
+id "ECM.030"\r
+go\r
+setboard 3r2k1/p2r1p1p/1p2p1p1/q4n2/3P4/PQ1R3P/1P2NPP1/3R2K1 b - -\r
+solution Nxd4\r
+id "ECM.031"\r
+go\r
+setboard 2bnr1k1/2q2ppp/p7/2p1b3/2N1B3/R7/1P2QPPP/2B3K1 w - -\r
+solution Nxe5\r
+id "ECM.032"\r
+go\r
+setboard r1b2r1k/3nN2p/p2Q1p2/8/4PP2/1R6/q1PK2PP/4R3 w - -\r
+solution Qd5\r
+id "ECM.033"\r
+go\r
+setboard 1nk1r1r1/pp2n1pp/4p3/q2pPp1N/b1pP1P2/B1P2R2/2P1B1PP/R2Q2K1 w - -\r
+solution Nf6\r
+id "ECM.034"\r
+go\r
+setboard 2r2bk1/4qp2/3n2p1/2R1p1Np/2p1N3/r6P/1Q3PP1/3R2K1 w - -\r
+solution Rxc8\r
+id "ECM.035"\r
+go\r
+setboard br1r2k1/1q4p1/p2ppb1p/2p2p2/2P1n3/Pn2P2P/QPR2PPB/2NRNBK1 b - -\r
+solution Nxc1\r
+id "ECM.036"\r
+go\r
+setboard 2k4r/ppp1n1p1/2n2qb1/2N5/Q1P3p1/P2r3P/1P3PB1/R1B2RK1 w - -\r
+solution Qb5\r
+id "ECM.037"\r
+go\r
+setboard 8/6bk/1B1R4/6p1/2bNP3/4KP2/1r6/8 b - -\r
+solution Be5\r
+id "ECM.038"\r
+go\r
+setboard r1b1rnk1/1p3pb1/1qpp2p1/2n5/2PNP2p/1PN3PP/3R1PBK/BR1Q4 b - -\r
+solution Rxa1\r
+id "ECM.039"\r
+go\r
+setboard r1b2rk1/pp2b3/2pn1n1p/3pNppq/3P4/BP1N2P1/P3PPBP/R1Q2RK1 w - -\r
+solution Nxc6\r
+id "ECM.040"\r
+go\r
+setboard 5rk1/1b3ppp/p3p3/1p1q2N1/4n3/6P1/PP2PPBP/2Q2RK1 b - -\r
+solution Nxg3\r
+id "ECM.041"\r
+go\r
+setboard 2kr3r/pppq2p1/1bn1R3/6N1/1P6/1QN1B1p1/P4PP1/R5K1 b - -\r
+solution gxf2+\r
+id "ECM.042"\r
+go\r
+setboard 2rr4/5pk1/p1q3p1/3bpP1p/1p4nR/1N4Q1/PPP3PP/3NR2K b - -\r
+solution Bxg2+\r
+id "ECM.043"\r
+go\r
+setboard r4rk1/pp4pp/2nqb3/3p4/8/2NB4/PP1Q1PPP/4RRK1 w - -\r
+solution Bxh7+\r
+id "ECM.044"\r
+go\r
+setboard 3rk1r1/3b1p1p/p2BpQ2/8/2q5/2P5/PP3PPP/3R2K1 b - -\r
+solution Rxg2+\r
+id "ECM.045"\r
+go\r
+setboard 3r1rk1/4pp1p/p1Q1b1p1/3N4/3b4/5B2/Pq3PPP/R4RK1 b - -\r
+solution Bxd5\r
+id "ECM.046"\r
+go\r
+setboard 5bk1/1bqn1r1p/p3Q1p1/4p3/1PN1Pp2/P1N4P/5PP1/R1BR2K1 w - -\r
+solution Qxf7+\r
+id "ECM.047"\r
+go\r
+setboard 3rkb1r/1p3p2/p1n1p3/q5pp/2PpP3/1P4P1/P1Q1BPKP/R2N3R b k -\r
+solution d3\r
+id "ECM.048"\r
+go\r
+setboard 5rk1/1r1qbnnp/R2p2p1/1p1Pp3/1Pp1P1N1/2P1B1NP/5QP1/5R1K w - -\r
+solution Qxf7+\r
+id "ECM.049"\r
+go\r
+setboard 2kr1b1R/1b3pp1/p2pp3/1pq3P1/2nQPP2/P1N5/1PP1BB2/1K6 w - -\r
+solution Rxf8\r
+id "ECM.050"\r
+go\r
+setboard 1k1r1b1r/p1p1q3/2p1p3/4Ppp1/4nP2/P2BQ3/1PP3PB/2KR3R b - -\r
+solution Rxh2\r
+id "ECM.051"\r
+go\r
+setboard r3nb1Q/p1q2kr1/2p3p1/2ppnpP1/1P3N2/4P3/PB1P4/1R2KB1R w K -\r
+solution Qxf8+\r
+id "ECM.052"\r
+go\r
+setboard r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - -\r
+solution Nfxe4\r
+id "ECM.053"\r
+go\r
+setboard 1rb1qn2/1p2nrbk/p2p2p1/P2Pp1Pp/NP2P2P/2RNB3/2QKB3/1R6 w - -\r
+solution Ba7\r
+id "ECM.054"\r
+go\r
+setboard 5r2/1b2k2p/3bp3/5PP1/Bn1Q3P/1N6/1Pr5/1K3R2 b - -\r
+solution Rxb2+\r
+id "ECM.055"\r
+go\r
+setboard r1b1r1k1/pp4bp/5np1/2qPB3/8/6NP/PPP1Q1B1/R4R1K w - -\r
+solution Rxf6\r
+id "ECM.056"\r
+go\r
+setboard r1b2r1k/1pq3bp/8/3Qp2n/1P1n1pp1/2NP2P1/3BPPBP/1R2NRK1 b - -\r
+solution Qxc3\r
+id "ECM.057"\r
+go\r
+setboard 4qk2/pp3pp1/1nbr3p/2p5/5N2/2P1Q3/PPB2PPP/2K1R3 w - -\r
+solution Ng6+\r
+id "ECM.058"\r
+go\r
+setboard 3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - -\r
+solution Rd5\r
+id "ECM.059"\r
+go\r
+setboard r4rk1/pp1b2pp/3bpq2/3p1p2/2PPn3/PP1B4/1BQN1PPP/R4RK1 b - -\r
+solution Bxh2+\r
+id "ECM.060"\r
+go\r
+setboard r4rk1/1b3ppp/p2q1n2/1p2N3/3P4/1B6/P1Q2PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.061"\r
+go\r
+setboard 2rq1r2/pp3pnk/2n1b1pp/3pQ3/3P1N2/P1N5/1P3PPP/1BR2RK1 w - -\r
+solution Bxg6+\r
+id "ECM.062"\r
+go\r
+setboard 4nk2/r1r1bppp/pN2p3/2np4/8/BPN3PP/P3PPK1/2RR4 w - -\r
+solution Ncxd5\r
+id "ECM.063"\r
+go\r
+setboard r4r1k/2pqn1b1/p1bp2pp/1p2pn2/4N3/2PP1PPQ/PPB4P/R1B1RNK1 b - -\r
+solution Nd4\r
+id "ECM.064"\r
+go\r
+setboard r1bQ1nk1/bp3ppp/p7/3B4/1P6/P3P1P1/2P4P/q1B2RK1 b - -\r
+solution Bxe3+\r
+id "ECM.065"\r
+go\r
+setboard 3r1rk1/1b2bppp/2q1pn2/pp4Q1/3B1P2/PBN5/1PP3PP/R2R3K b - -\r
+solution Rxd4\r
+id "ECM.066"\r
+go\r
+setboard 2nq2k1/2r3pp/p1p1rp2/PpQ1N3/1P1PR3/8/5PPP/2R3K1 w - -\r
+solution Nf7\r
+id "ECM.067"\r
+go\r
+setboard r1b2rk1/1p2bppp/p3pn2/4B3/1qBR4/2N5/P3QPPP/R5K1 w - -\r
+solution Bd3\r
+id "ECM.068"\r
+go\r
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -\r
+solution g6\r
+id "ECM.069"\r
+go\r
+setboard 5r1k/p6p/1p1p1qp1/2pQpr2/8/2PP2P1/PP2RPKP/5R2 b - -\r
+solution e4\r
+id "ECM.070"\r
+go\r
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -\r
+solution Qh6\r
+id "ECM.071"\r
+go\r
+setboard 2r2rk1/5pbp/p5p1/3P2q1/1QbN4/5P2/P4BPP/2RR2K1 b - -\r
+solution Bf1\r
+id "ECM.072"\r
+go\r
+setboard r1bqnrk1/pp2ppb1/1np3pp/4P1N1/5P2/2NBB3/PPP3PP/R2Q1RK1 w - -\r
+solution Nh7\r
+id "ECM.073"\r
+go\r
+setboard 3nk3/3q1p2/1B3pr1/4p3/bP2P2p/r2B4/2Q2RPP/3R2K1 w - -\r
+solution Bb5\r
+id "ECM.074"\r
+go\r
+setboard 3rnr1k/pp3ppp/4b3/2p1qNP1/P2pPR2/1P1P2Q1/2P3BP/5RK1 w - -\r
+solution Nh6\r
+id "ECM.075"\r
+go\r
+setboard r1b2kr1/1p1p1pNp/p1n1p1p1/5P2/3QP3/2N5/PqP1B1PP/R4RK1 w - -\r
+solution fxg6\r
+id "ECM.076"\r
+go\r
+setboard 5rk1/3r1p1p/3b2pQ/8/4q3/4B2P/3R1PP1/4R1K1 w - -\r
+solution Rxd6\r
+id "ECM.077"\r
+go\r
+setboard 4rrk1/1bp2ppp/p1q2b1B/1pn2B2/4N1Q1/2P4P/PP3PP1/3RR1K1 w - -\r
+solution Nxc5\r
+id "ECM.078"\r
+go\r
+setboard 2rnrbnk/3q1ppp/p1p5/3p1P2/1p1PPN2/4BQ1R/PP1N2PP/3R2K1 w - -\r
+solution Ng6+\r
+id "ECM.079"\r
+go\r
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -\r
+solution Rd4\r
+id "ECM.080"\r
+go\r
+setboard Q7/p1r1ppk1/1qP4p/2Rb2p1/8/3N2P1/4PP1P/6K1 b - -\r
+solution Qb1+\r
+id "ECM.081"\r
+go\r
+setboard 1r3rk1/5pp1/1n2qn1p/1p1pPNb1/2pP2QP/2P5/1PB3P1/R1B1R1K1 w - -\r
+solution exf6\r
+id "ECM.082"\r
+go\r
+setboard r2qr1k1/pp3pbp/3p1np1/2pP1bB1/2P1N3/3Q1PN1/PP4PP/R4RK1 b - -\r
+solution Nxe4\r
+id "ECM.083"\r
+go\r
+setboard 4r1k1/1b4pp/p7/1prP3q/2P1B3/5P2/P3Q2P/3RR2K w - -\r
+solution Bg6\r
+id "ECM.084"\r
+go\r
+setboard r1br2k1/ppb1qpp1/2P4p/2n1p3/4B3/P1N2N2/1P3PPP/2RQ1RK1 w - -\r
+solution Nd5\r
+id "ECM.085"\r
+go\r
+setboard 2r3k1/1nqbrp2/p5pp/1p1Pp1N1/8/1P5P/P1B2PP1/2RQR1K1 w - -\r
+solution Nxf7\r
+id "ECM.086"\r
+go\r
+setboard 2r1rbk1/1b3ppp/pp6/2q1pNP1/Pn1RP3/2N5/1PP2QBP/5R1K w - -\r
+solution Nh6+\r
+id "ECM.087"\r
+go\r
+setboard r1b1rk2/3n1pbQ/2qp2p1/p2N2P1/2Bp3N/4P3/PP3PP1/2KR3R w - -\r
+solution Nxg6+\r
+id "ECM.088"\r
+go\r
+setboard r1r2qkb/4pp1p/pBbp3P/3Nn1P1/4Q3/1B6/PPP5/1K1R2R1 w - -\r
+solution g6\r
+id "ECM.089"\r
+go\r
+setboard r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - -\r
+solution Re7\r
+id "ECM.090"\r
+go\r
+setboard rn1q1r2/4bpk1/p3p3/1pN1N1np/2pP4/4PpBb/PPQ4P/1B1RK1R1 w - -\r
+solution Nc6\r
+id "ECM.091"\r
+go\r
+setboard 5rk1/6pp/8/2Q4q/N2pP3/4b1Pb/4PP1K/1R3R2 b - -\r
+solution Bxf1+\r
+id "ECM.092"\r
+go\r
+setboard 2r4k/pp2Q1pp/5r2/P2P4/3Pb1P1/4Ppq1/1P1R3N/3R3K b - -\r
+solution Qe1+\r
+id "ECM.093"\r
+go\r
+setboard 1r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K w - -\r
+solution Qxh7+\r
+id "ECM.094"\r
+go\r
+setboard r1b4k/p2n1Bpp/1p1Q1n2/5p2/3P4/P3BqP1/1P3P1P/R4RK1 b - -\r
+solution Bb7\r
+id "ECM.095"\r
+go\r
+setboard rn1r2k1/p4ppp/2p3b1/3PQ3/1B2Np1q/1B3P2/P1P3PP/4R1K1 w - -\r
+solution Nf6+ \r
+solution Qe8+\r
+id "ECM.096"\r
+go\r
+setboard 4r2k/5R1p/pp1Bq1pN/2p1P3/1n1b3Q/3P4/1P4KP/8 w - -\r
+solution Rxh7+\r
+id "ECM.097"\r
+go\r
+setboard r2nk1r1/pb3q1p/4p3/3p2pQ/8/BP6/P4PPP/2R1R1K1 w q -\r
+solution Rc7\r
+id "ECM.098"\r
+go\r
+setboard 6k1/1pqb1p2/5bpB/r2n4/4N1P1/1P3P2/1P1Q4/1K5R w - -\r
+solution Qxd5\r
+id "ECM.099"\r
+go\r
+setboard rr4k1/2p1ppb1/3pbnpp/q1pP4/4P3/1PNNBP1P/P1KR2P1/2Q4R b - -\r
+solution Qxc3+\r
+id "ECM.100"\r
+go\r
+setboard 1r3rk1/3Q2pp/p3p3/6B1/3np3/6R1/PqP1B2P/3K2R1 w - -\r
+solution Qxg7+\r
+id "ECM.101"\r
+go\r
+setboard 2r5/p4Q2/k1bBp3/4P3/p1nq4/5B2/2Pr2P1/1R1RK3 w - -\r
+solution Qb7+\r
+id "ECM.102"\r
+go\r
+setboard 5rk1/p1pb2pp/2p5/3p3q/2P3n1/1Q4BN/PP1Np1KP/R3R3 b - -\r
+solution Qxh3+\r
+id "ECM.103"\r
+go\r
+setboard 2r1nk2/4qpbQ/4b3/1p2RpP1/4P3/p7/PBP5/1K5R w - -\r
+solution Qxg7+\r
+id "ECM.104"\r
+go\r
+setboard 2kr4/1bpr3p/4R3/1pQ5/8/6B1/3q2PP/2R4K w - -\r
+solution Qxc7+\r
+id "ECM.105"\r
+go\r
+setboard r4rk1/1pbb2pp/p1p1p2q/2Pp4/1P1Pn3/P3B2P/2Q1BPP1/R4RNK b - -\r
+solution Qxe3\r
+id "ECM.106"\r
+go\r
+setboard r1k4r/ppp1b3/5Npp/4pb1Q/8/1B2B3/PqP2PPP/2RR2K1 w - -\r
+solution Qxf5+\r
+id "ECM.107"\r
+go\r
+setboard 6r1/p4rkp/3RQ1n1/1pp1p1B1/2p1P3/2P3R1/P4qPK/8 w - -\r
+solution Qxe5+\r
+id "ECM.108"\r
+go\r
+setboard 2kr1r2/1pp3pp/1n2p1b1/pN2B3/P1q5/1Q1p3P/5PP1/R4R1K w - -\r
+solution Rac1\r
+id "ECM.109"\r
+go\r
+setboard 2kr1bnr/1ppq4/p3bp2/6pp/4p3/2N2NBP/PP3PP1/2RQ1RK1 w - -\r
+solution Na4\r
+id "ECM.110"\r
+go\r
+setboard r2q2rk/p3bp1p/4b1p1/3pP2R/1p1B4/3BQ3/PPP3PP/5R1K w - -\r
+solution Rxf7\r
+id "ECM.111"\r
+go\r
+setboard r1b1Q3/6pk/p6p/1pq1n3/4N3/8/PPP3PP/R6K b - -\r
+solution Qc6\r
+id "ECM.112"\r
+go\r
+setboard q6r/pp3pkp/5np1/4Q3/4P3/6N1/P4PPP/5RK1 w - -\r
+solution Nh5+\r
+id "ECM.113"\r
+go\r
+setboard r1b1rk2/pp3ppQ/1np5/4q3/2B4N/4P3/PP3PP1/2R2K1R w - -\r
+solution Qg8+\r
+id "ECM.114"\r
+go\r
+setboard r1bn1rk1/pp3p1p/6p1/2bR2N1/2B2B2/q1P1P3/2Q2PPP/4K2R w K -\r
+solution Nxh7\r
+id "ECM.115"\r
+go\r
+setboard r3r1k1/p2N1pp1/1pn1p3/q1n5/2PQ4/P3B3/4PPKP/R5R1 w - -\r
+solution Nf6+\r
+id "ECM.116"\r
+go\r
+setboard 4qbk1/1R5n/p2pr1p1/2pQpNPp/P1P1P3/2P2P2/3B4/5K2 w - -\r
+solution Ne7+\r
+id "ECM.117"\r
+go\r
+setboard 3qr1k1/1p1bppbp/p2p2p1/2rPn3/P2N4/4BP2/1PPQ2PP/R2R1BK1 w - -\r
+solution Ne6\r
+id "ECM.118"\r
+go\r
+setboard 2b2r2/1p2q1k1/r3pppp/4n2P/p3N3/1B4Q1/PPP3P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.119"\r
+go\r
+setboard 8/R5p1/6k1/pr2p1b1/4K3/7P/5P2/6R1 w - -\r
+solution h4\r
+id "ECM.120"\r
+go\r
+setboard 5rk1/1b1r1p2/p1q1pQp1/1p2P2p/8/1BP1NR2/PP1n2PP/5R1K w - -\r
+solution Bxe6\r
+id "ECM.121"\r
+go\r
+setboard 6k1/p1p2r2/1p1p1P1Q/3P4/2P5/5qr1/PP4RP/6RK w - -\r
+solution Qh3\r
+id "ECM.122"\r
+go\r
+setboard 2b1rr1k/1p5p/1Ppp2q1/p3bN2/2P1n3/5R2/PBQ3BP/3R2K1 w - -\r
+solution Nxd6\r
+id "ECM.123"\r
+go\r
+setboard 3b2rk/7p/p7/2pbqNrn/Pp1p1R2/1P1Q2P1/1BPN1R1P/6K1 w - -\r
+solution Rxd4\r
+id "ECM.124"\r
+go\r
+setboard 1rbr2k1/1pq1bp1p/p1pNn1p1/2n1p3/2B1P2P/1NQ1BP2/PP4P1/1K1R3R w - -\r
+solution Nxf7\r
+id "ECM.125"\r
+go\r
+setboard r4rk1/1pp1b1pp/p1q5/3pPp2/3Pn3/P3N3/1P3PPP/R1BQR1K1 w - -\r
+solution Qb3\r
+id "ECM.126"\r
+go\r
+setboard rbbq1rk1/p3nppp/1p2p3/8/1B1pN3/P2B4/1P3PPP/2RQ1RK1 w - -\r
+solution Nf6+\r
+id "ECM.127"\r
+go\r
+setboard rn2qbr1/2p4k/p2p1nb1/1p1Pp2p/2P4P/2NBBPN1/PP1Q4/2KR2R1 w - -\r
+solution Nxh5\r
+id "ECM.128"\r
+go\r
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -\r
+solution Re6\r
+id "ECM.129"\r
+go\r
+setboard r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - -\r
+solution Rxe7\r
+id "ECM.130"\r
+go\r
+setboard 2rq1rk1/pp2bppp/1npp1n2/3PpN1b/2P5/2N3PP/PP2PPB1/R1BQ1RK1 w - -\r
+solution c5\r
+id "ECM.131"\r
+go\r
+setboard rnbq1rk1/pp2b1pp/5n2/2pPp3/2P1N3/3B1N2/PP4PP/R1BQK2R w KQ -\r
+solution d6\r
+id "ECM.132"\r
+go\r
+setboard 2n1rbk1/5pp1/7p/qP1pp3/4b1Q1/1B5P/1P1N1PP1/2B1R1K1 w - -\r
+solution Rxe4\r
+id "ECM.133"\r
+go\r
+setboard 4k3/2R2p2/5p1p/8/rb6/1N6/5PPP/5K2 w - -\r
+solution Rc4\r
+id "ECM.134"\r
+go\r
+setboard 2k3r1/pp2rp2/1np5/2Np1p2/P2P3p/1R2P1Pq/2Q2P1P/1R4K1 w - -\r
+solution Nxb7\r
+id "ECM.135"\r
+go\r
+setboard 2r1k3/p3nrR1/1p1p4/2p1p1p1/2P1B3/2PP1P2/P5K1/7R w - -\r
+solution Rh8+\r
+id "ECM.136"\r
+go\r
+setboard 8/1Qp3pk/7p/5p2/5Pqn/1P1r4/P5PP/2B2RK1 b - -\r
+solution c6\r
+id "ECM.137"\r
+go\r
+setboard 2rr1bk1/5p1p/pPN2np1/3Bp3/2Q1n3/1P2B1Pq/P3PP2/R2R2K1 b - -\r
+solution Rxd5\r
+id "ECM.138"\r
+go\r
+setboard 3r2k1/1p4pp/p1q1p3/3p1B2/bP1B2P1/P4Q2/5PKP/2b2R2 w - -\r
+solution Rxc1\r
+id "ECM.139"\r
+go\r
+setboard rnb1r1k1/pp5p/2pp2p1/4b3/2P1P2q/1NN1BPp1/PP1QB1P1/3RR1K1 b - -\r
+solution Bf4\r
+id "ECM.140"\r
+go\r
+setboard 5n1r/1p2kp2/rB1Nb3/4p1Pp/4p2P/1PP5/8/1K1R1R2 w - -\r
+solution Rxf7+\r
+id "ECM.141"\r
+go\r
+setboard b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - -\r
+solution d3+\r
+id "ECM.142"\r
+go\r
+setboard 4r1k1/3R1ppp/p2p4/5PP1/2q2P2/2n2B2/P1P3QP/1r3R1K w - -\r
+solution Rxb1\r
+id "ECM.143"\r
+go\r
+setboard 2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - -\r
+solution Bd5+\r
+id "ECM.144"\r
+go\r
+setboard 6k1/4ppbp/p5p1/1B1Q4/2P2Pn1/8/qr4PP/2B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.145"\r
+go\r
+setboard 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - -\r
+solution Ba3\r
+id "ECM.146"\r
+go\r
+setboard r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - -\r
+solution g6\r
+id "ECM.147"\r
+go\r
+setboard 5r2/1b3pk1/pqrpp1p1/4n1Nn/1p2PP1P/8/PPPQB3/1NKR2R1 b - -\r
+solution Rfc8\r
+id "ECM.148"\r
+go\r
+setboard 1r2k2r/p5bp/4p1p1/q2pn3/1p2N1P1/6QP/PPP5/1KBR3R w k -\r
+solution Bh6\r
+id "ECM.149"\r
+go\r
+setboard rn1q1rk1/pp3p1p/2p5/3p4/5Q1P/2NP3R/PPP3P1/4RK2 w - -\r
+solution Rg3+\r
+id "ECM.150"\r
+go\r
+setboard 7r/kppQP1pp/p7/2qp1R2/4n3/1P2b2P/P1P3PK/R7 b - -\r
+solution Re8\r
+id "ECM.151"\r
+go\r
+setboard r1b1kb1Q/qp2pp2/p3n1p1/2nN2Pp/2B4P/7N/PPP5/2KRR3 w q -\r
+solution Nc7+\r
+id "ECM.152"\r
+go\r
+setboard 8/1bq3kp/p5p1/1pb1p3/4P2P/2PQ2P1/1P5B/5N1K b - -\r
+solution Qd8\r
+id "ECM.153"\r
+go\r
+setboard 2r1q1r1/6bk/p2pN1pp/1p1N4/4P3/3R3Q/PnP4P/1K4R1 w - -\r
+solution Nf6+\r
+id "ECM.154"\r
+go\r
+setboard 4r3/Q2bppkp/3p2p1/3Nn3/4P3/6PP/1qr2PB1/R3R1K1 b - -\r
+solution Ra8\r
+id "ECM.155"\r
+go\r
+setboard 6k1/p1q2pp1/2n2b2/3B2Pp/2P2P2/5N1P/Pr1Q2K1/4R3 w - -\r
+solution Re8+\r
+id "ECM.156"\r
+go\r
+setboard r1r3k1/p4n2/3p4/5NpR/8/2q2P2/P1PQ4/2K4R w - -\r
+solution Rh8+\r
+id "ECM.157"\r
+go\r
+setboard 8/p5Q1/2ppq2p/3n1ppk/3B4/2P2P1P/P5P1/6K1 w - -\r
+solution g4+\r
+id "ECM.158"\r
+go\r
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -\r
+solution Nd6\r
+id "ECM.159"\r
+go\r
+setboard 1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k -\r
+solution Ba4\r
+id "ECM.160"\r
+go\r
+setboard r1bq3k/ppp2Qp1/2n1p2p/6N1/2BPN3/2P1n3/PP4PP/R5K1 w - -\r
+solution Nf6\r
+id "ECM.161"\r
+go\r
+setboard 3R4/1p2kp2/p1b1nN2/6p1/8/6BP/2r1qPPK/Q7 w - -\r
+solution Rd7+\r
+id "ECM.162"\r
+go\r
+setboard 6k1/p5p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - -\r
+solution Rh8+\r
+id "ECM.163"\r
+go\r
+setboard 8/5P2/4K1kP/4R3/8/8/8/5r2 w - -\r
+solution Rg5+\r
+id "ECM.164"\r
+go\r
+setboard 3r1rk1/p1p1qp1p/2p1b1p1/8/P2PRP2/2P1NQ2/6PP/R5K1 w - -\r
+solution f5\r
+id "ECM.165"\r
+go\r
+setboard 6k1/pr3ppp/1p3qn1/5NQ1/2p5/8/P4PPP/4R1K1 w - -\r
+solution Re8+\r
+id "ECM.166"\r
+go\r
+setboard Q7/1pq2kpp/4bp2/3r4/2B5/P3P3/1r3PPP/2R1K2R b K -\r
+solution Rd1+\r
+id "ECM.167"\r
+go\r
+setboard 4r1k1/p4ppp/4q2r/1Q6/4p3/4P1P1/P4P1P/2RR2K1 w - -\r
+solution Rd6\r
+id "ECM.168"\r
+go\r
+setboard 8/5p1k/4p1p1/3p2K1/3P1Q1P/P4P2/7q/8 b - -\r
+solution f6+\r
+id "ECM.169"\r
+go\r
+setboard r4r2/6k1/3p4/2pPp2p/4Pqp1/3P1P2/1R2Q1KP/5R2 b - -\r
+solution Ra1\r
+id "ECM.170"\r
+go\r
+setboard 4r1k1/1np1r1pp/1ppp1q2/6N1/1P3P2/4RQP1/7P/4R1K1 w - -\r
+solution Qh5\r
+id "ECM.171"\r
+go\r
+setboard r4rk1/pp3p1p/3pq1p1/2nNp3/3R1P2/7Q/PP4PP/5RK1 w - -\r
+solution f5\r
+id "ECM.172"\r
+go\r
+setboard 3qn2k/1p3Bp1/rbn4p/2p5/p1P2p2/P2b2PP/1BQNRP2/1R4K1 w - -\r
+solution Qxd3\r
+id "ECM.173"\r
+go\r
+setboard 3r1rk1/1pp4p/1q3bp1/p3p3/P2n1P2/2BB3P/1PP2QP1/R4RK1 b - -\r
+solution Bh4\r
+id "ECM.174"\r
+go\r
+setboard 4rrk1/2p2ppp/p2b4/1p1P4/3P2nq/2P4P/PPQ1RPP1/RNB3K1 b - -\r
+solution Qxf2+\r
+id "ECM.175"\r
+go\r
+setboard 1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.176"\r
+go\r
+setboard r3kb1r/2q2p2/3p4/ppp1n1B1/P6P/1B3pQ1/1PP3b1/2KRR3 w kq -\r
+solution Bd5\r
+id "ECM.177"\r
+go\r
+setboard r1b2rk1/1p4pp/p1n3q1/4ppN1/7Q/2P1B3/P1P2PPP/R2R2K1 w - -\r
+solution Rd6\r
+id "ECM.178"\r
+go\r
+setboard 1rb2r2/1pR1N2p/p2R2pk/5p2/4pP2/1P1nP3/P4P1P/5BK1 w - -\r
+solution Rf6\r
+id "ECM.179"\r
+go\r
+setboard r1b3k1/ppp2r2/6p1/3n3p/6qP/3BQ3/PBP5/2KR3R w - -\r
+solution Bd4\r
+id "ECM.180"\r
+go\r
+setboard 3r2k1/p2q1r1p/1p1N2p1/1PpP4/3b1Bn1/1Q4Pb/1P2RP1P/R5KB b - -\r
+solution Qxd6\r
+id "ECM.181"\r
+go\r
+setboard 4r1k1/1pbb3p/2pp2q1/p1n5/2P2R2/1PN1n1P1/PB2Q1B1/5RK1 w - -\r
+solution Qxe3\r
+id "ECM.182"\r
+go\r
+setboard 3r2k1/p2r1p1p/1pR1p1qP/3P1pP1/3R4/1P2Q3/P4K2/8 w - -\r
+solution dxe6\r
+id "ECM.183"\r
+go\r
+setboard 3r3k/p1Q3bp/2p3p1/8/2P1BRn1/1P4Pb/P1N1q2P/6BK b - -\r
+solution Nf2+\r
+id "ECM.184"\r
+go\r
+setboard r4k2/p1pr1ppp/2q5/3PR2P/3Q4/8/6P1/5RK1 w - -\r
+solution Re7\r
+id "ECM.185"\r
+go\r
+setboard 1R3b2/3r3k/2p1bp1p/r1q1pNpQ/2PpP2P/6B1/P4PP1/1R4K1 w - -\r
+solution Nxh6\r
+id "ECM.186"\r
+go\r
+setboard r1b4r/pp2ppk1/2np1np1/3N3p/2B1P3/q3BP2/P1PQ2PP/1R3RK1 w - -\r
+solution Nxe7\r
+id "ECM.187"\r
+go\r
+setboard r3k2r/pb1n1pbp/4p1p1/q1n1P3/Bp1N1N2/4B3/PP3PPP/R2Q1RK1 w kq -\r
+solution Ndxe6\r
+id "ECM.188"\r
+go\r
+setboard 5rk1/Q2nqppp/5n2/2p5/8/1B2PP1P/Pr1B1P2/R3K2R b KQ -\r
+solution Ne4\r
+id "ECM.189"\r
+go\r
+setboard 5rk1/5pbp/b5p1/p1nNN3/1p2n3/1P4PP/P4PB1/2BR2K1 w - -\r
+solution Nd7\r
+id "ECM.190"\r
+go\r
+setboard 2k1r1r1/ppb2p2/6b1/2qP4/2P2P2/4pP1p/P3Q2P/2RBRN1K b - -\r
+solution Bd3\r
+id "ECM.191"\r
+go\r
+setboard 5r1k/pp1n1p1p/1b1qpP2/8/1PrN4/P1N1Q1P1/7P/3R1R1K w - -\r
+solution Qh6\r
+id "ECM.192"\r
+go\r
+setboard r2r1bk1/3qp2p/3pp1p1/p2n2N1/2N3Q1/BP4P1/P4PP1/2R3K1 w - -\r
+solution Nb6\r
+id "ECM.193"\r
+go\r
+setboard 1r3rk1/p4pbp/q1p2pp1/3p1b2/1n1P1P1B/PB3N2/1PPQR1PP/2KR4 b - -\r
+solution Bxc2\r
+id "ECM.194"\r
+go\r
+setboard 1rbr2k1/4qp2/p1n2bpp/1pp1p1N1/4P3/2P1BQ1P/PPB2PP1/3RR1K1 w - -\r
+solution Bxc5\r
+id "ECM.195"\r
+go\r
+setboard 2r2rk1/1p1q1ppp/1p3n2/3p1N2/4n3/1N3Q2/PPP2PPP/R2R2K1 w - -\r
+solution Rxd5\r
+id "ECM.196"\r
+go\r
+setboard rn3rk1/pp2ppbp/6p1/2R3N1/2B3b1/q3B3/P1P1Q1PP/5RK1 w - -\r
+solution Rxf7\r
+id "ECM.197"\r
+go\r
+setboard r1k3r1/pppnb1p1/4N3/3QP2p/3P3q/4B3/PPP2P2/R3KB2 w Q -\r
+solution Ba6\r
+id "ECM.198"\r
+go\r
+setboard r1nqr2k/1p1b1Q1p/p5p1/P1pPb3/5B2/2N5/BP4PP/R4RK1 w - -\r
+solution Qf8+\r
+id "ECM.199"\r
+go\r
+setboard 8/k3r1b1/Pp2rpp1/1qpQ4/4nB2/2P2NP1/7P/R4RK1 w - -\r
+solution Bb8+\r
+id "ECM.200"\r
+go\r
+setboard 1k1r4/ppq2p2/8/2pPb1r1/2P1Q1B1/6P1/PP3PK1/R4R2 b - -\r
+solution f5\r
+id "ECM.201"\r
+go\r
+setboard r1b2nk1/2qn1p1p/1ppR2p1/8/1PP1NP2/4r1PP/1Q2N1B1/3R2K1 w - -\r
+solution b5\r
+id "ECM.202"\r
+go\r
+setboard 8/5pk1/3q2p1/8/7P/5Q1K/6B1/6b1 b - -\r
+solution Qh2+\r
+id "ECM.203"\r
+go\r
+setboard 6r1/ppp4k/3p2rp/3Pb3/PPP1Np1q/5P1b/3QRRBP/6K1 b - -\r
+solution Bd4\r
+id "ECM.204"\r
+go\r
+setboard 4br1k/pR4bp/2r1B1pN/4npB1/3p4/P7/5PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.205"\r
+go\r
+setboard r1bq1rk1/pppn2bp/3p2p1/3N1p2/8/BP1BRQ1P/P1PP1PP1/4R1K1 w - -\r
+solution Nxc7\r
+id "ECM.206"\r
+go\r
+setboard r6r/1p2kp2/3p1b2/pPpPpQ1P/1nP1P2P/6R1/1P2K3/1B6 w - -\r
+solution Rg6\r
+id "ECM.207"\r
+go\r
+setboard 2q1r1k1/1b3pbp/3p2p1/1Ppn3n/5P2/5B2/1P1B2PP/R2NNQ1K b - -\r
+solution Ndxf4\r
+id "ECM.208"\r
+go\r
+setboard 2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - -\r
+solution Rb3\r
+id "ECM.209"\r
+go\r
+setboard r2qr1n1/p4pk1/1p1p2p1/4p3/4PQ2/1PN2P2/1PP3P1/2KR3R w - -\r
+solution Rh7+\r
+id "ECM.210"\r
+go\r
+setboard r4rk1/ppp3b1/3p1qp1/3Pp3/2P1Bn2/4BP2/PP1Q4/2K3RR w - -\r
+solution Rxg6\r
+id "ECM.211"\r
+go\r
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -\r
+solution Bf4\r
+id "ECM.212"\r
+go\r
+setboard k3r3/pR5p/PppR1p1p/4nP2/1PP5/8/4B1rP/2K5 w - -\r
+solution Re7\r
+id "ECM.213"\r
+go\r
+setboard 1q3rk1/r5b1/pNp1bn1p/2Pp1n2/1P2p3/1N2P2P/PBQKB3/3R3R b - -\r
+solution Nxe3\r
+id "ECM.214"\r
+go\r
+setboard r4n1r/ppq1nk2/1bpRpN2/4PpQ1/8/2B4P/PPP2PP1/2KR4 w - -\r
+solution Rd7\r
+id "ECM.215"\r
+go\r
+setboard 3r2k1/p5pp/bpP1p3/3n1p2/2NQpP1q/P3P3/1B1R1R2/4KBr1 b - -\r
+solution Rxf1+\r
+id "ECM.216"\r
+go\r
+setboard 1rq1r2k/5Rbp/p2p1p1B/2p1p3/2P1P2Q/1P6/P5PP/3b3K w - -\r
+solution Bxg7+\r
+id "ECM.217"\r
+go\r
+setboard 5Q2/5p1p/3p2p1/4p1k1/4P1P1/3R1P1K/r6P/4q3 w - -\r
+solution f4+\r
+id "ECM.218"\r
+go\r
+setboard 2b2r1k/ppq3pp/3b3r/n3NpN1/Q2PpP1B/2P1R3/PP5P/4R1K1 w - -\r
+solution Ngf7+\r
+id "ECM.219"\r
+go\r
+setboard 2r1r1k1/1R4bp/p5p1/2pqn3/8/2B5/1PQ1B1PP/5RK1 w - -\r
+solution Bc4\r
+id "ECM.220"\r
+go\r
+setboard 7k/pp1q2pp/3Nr1n1/3B2Q1/2pP4/B3P1Pb/P6P/6K1 w - -\r
+solution Qd8+\r
+id "ECM.221"\r
+go\r
+setboard r5k1/5p1p/bq1p2p1/r2Pp3/1p2N1P1/1P3P2/1KPQ3P/3R3R b - -\r
+solution Ra2+\r
+id "ECM.222"\r
+go\r
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -\r
+solution Bg7\r
+id "ECM.223"\r
+go\r
+setboard 5nk1/2b1q1p1/2p5/3pP1pQ/1r1P2P1/3B1R2/5PP1/6K1 w - -\r
+solution Rxf8+\r
+id "ECM.224"\r
+go\r
+setboard 1k1r3r/1pp2p2/p2b4/4n1p1/N3q1P1/1B2B3/PP3RP1/4RQK1 b - -\r
+solution Rh1+\r
+id "ECM.225"\r
+go\r
+setboard rnb1kr2/p4pQ1/8/1ppPpP2/2p1P3/N6P/Pq4B1/3R1RK1 w q -\r
+solution Nxb5\r
+id "ECM.226"\r
+go\r
+setboard 5r1k/2p3pp/3pQ3/3P1rN1/pp5q/5PR1/P4PKP/B7 w - -\r
+solution Bxg7+\r
+id "ECM.227"\r
+go\r
+setboard 8/pR3Bk1/3p2p1/5b1p/2P4P/6P1/P4bQK/4q3 b - -\r
+solution Bg1+\r
+id "ECM.228"\r
+go\r
+setboard r1b1Rnk1/6pp/p4q2/1pp2P2/3r4/2NB4/PP1Q2PP/4R1K1 w - -\r
+solution Nd5\r
+id "ECM.229"\r
+go\r
+setboard 1Q6/pb3pk1/1p3qp1/1N3p1p/2Pr3P/3BR1PK/r7/6R1 b - -\r
+solution Rh2+\r
+id "ECM.230"\r
+go\r
+setboard rq3r1k/p2n1p2/1pbb1np1/2p2BB1/8/2N2N2/PP3QPP/3R1RK1 w - -\r
+solution Rxd6\r
+id "ECM.231"\r
+go\r
+setboard 2kr3r/Qpp1n1p1/2b2pp1/4b3/8/6N1/PPP2P2/R1B2RK1 b - -\r
+solution Rh1+\r
+id "ECM.232"\r
+go\r
+setboard 8/2p2Q1p/1rp5/p3q1kp/P7/2P2RP1/5PK1/8 w - -\r
+solution Rf5+\r
+id "ECM.233"\r
+go\r
+setboard 1r2b3/1p2q1bk/p1p1p1p1/P1PpP2r/1P1KpPQP/4P2N/6R1/4B2R b - -\r
+solution Rxe5\r
+id "ECM.234"\r
+go\r
+setboard 6k1/3b1p1p/6p1/2BPR3/8/4Q2P/1q3rPK/8 w - -\r
+solution Re8+\r
+id "ECM.235"\r
+go\r
+setboard 2R5/4ppkp/6p1/p2P4/4P2P/p3B1P1/qbR2PK1/8 w - -\r
+solution Rg8+\r
+id "ECM.236"\r
+go\r
+setboard 3rr1k1/1b5p/p6p/1p3N2/6Pb/P1Q1p3/1PP4P/R5K1 b - -\r
+solution Bf2+\r
+id "ECM.237"\r
+go\r
+setboard 6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - -\r
+solution Qc1\r
+id "ECM.238"\r
+go\r
+setboard 3r1rk1/1pq1nppp/p7/2pB3Q/P4P2/1P2P3/6PP/2RR2K1 w - -\r
+solution Bf3 \r
+solution Rxc5\r
+id "ECM.239"\r
+go\r
+setboard 8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - -\r
+solution Rxd6\r
+id "ECM.240"\r
+go\r
+setboard 6k1/1pp2p2/p2p2q1/2PPb3/4r3/Pr4PK/2R5/2Q2NR1 b - -\r
+solution Rh4+\r
+id "ECM.241"\r
+go\r
+setboard 3r4/1pQ4R/p1b2kp1/P6p/2q5/7P/2P3P1/6K1 b - -\r
+solution Rd1+\r
+id "ECM.242"\r
+go\r
+setboard 6rr/1b3k1p/pbqppPn1/1p5Q/4PN2/P6R/1PP3BP/2B2R1K w - -\r
+solution Qxh7+\r
+id "ECM.243"\r
+go\r
+setboard 4rrk1/3b1ppp/pb6/1pqP4/P1p1PP2/1P2NK2/3QB2P/R2R4 b - -\r
+solution Rxe4\r
+id "ECM.244"\r
+go\r
+setboard 2r1r1k1/1p4bp/p2p1qp1/1n1P4/2P1B2P/1N1Q4/PP2R3/1K5R b - -\r
+solution Rxc4\r
+id "ECM.245"\r
+go\r
+setboard 6rr/ppqb1pkp/2pb1pn1/3p3Q/3P1P1N/3B1RN1/PPP3PP/5RK1 w - -\r
+solution Qh6+\r
+id "ECM.246"\r
+go\r
+setboard r2qr1k1/1pnb1pp1/p1n1p2p/8/P2P3P/B2B1NP1/6P1/R2Q1RK1 w - -\r
+solution Bh7+\r
+id "ECM.247"\r
+go\r
+setboard r2q1rk1/1b1nbpp1/p1p1p2p/1pPpN3/3P1N2/P2BP3/1PQ2PPP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.248"\r
+go\r
+setboard 2r2rk1/pb4pp/1p2p3/4Npq1/3P1n2/5P2/PP1R2PP/RB2Q1K1 b - -\r
+solution Rc1\r
+id "ECM.249"\r
+go\r
+setboard 2r1rbk1/5pp1/bq5p/1pnBPN2/6Q1/N7/5PPP/R2R2K1 w - -\r
+solution Bxf7+\r
+id "ECM.250"\r
+go\r
+setboard 1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - -\r
+solution Bb7\r
+id "ECM.251"\r
+go\r
+setboard r5k1/pp2ppb1/4qn2/r3B1p1/3P4/3QNP1R/PP2K1P1/7R w - -\r
+solution Bxf6\r
+id "ECM.252"\r
+go\r
+setboard 1R2br1k/5r1p/p2p1P2/6RQ/3p1P2/4p2B/q6P/5N1K w - -\r
+solution Rxe8\r
+id "ECM.253"\r
+go\r
+setboard kr1r4/7p/2bqp1p1/p7/1Pp1PP1P/K1B1nNPB/PP5R/RN2Q3 b - -\r
+solution Qxb4+\r
+id "ECM.254"\r
+go\r
+setboard 5r1r/1pkb4/5pB1/2P5/p3R2P/Pq6/1PQ2Pn1/K2R4 w - -\r
+solution Rxd7+\r
+id "ECM.255"\r
+go\r
+setboard kn5r/p2r2p1/1pqBp1np/1Q1pPp2/R2P4/1N6/2P2PPP/R5K1 w - -\r
+solution Rxa7+\r
+id "ECM.256"\r
+go\r
+setboard 4Rnk1/2p2pp1/3r3p/p2P4/P5Q1/1B5P/5PK1/q7 w - -\r
+solution Rxf8+\r
+id "ECM.257"\r
+go\r
+setboard 4r3/2k1p2q/pp1nR1p1/2pP1pP1/2P2P2/1P6/P1K3B1/4Q3 w - -\r
+solution Rxd6\r
+id "ECM.258"\r
+go\r
+setboard 2b3k1/p4ppp/7q/2Q5/8/P3r1P1/1r4BP/R3R1K1 b - -\r
+solution Rxg2+\r
+id "ECM.259"\r
+go\r
+setboard r1b1rbk1/7p/2p1pBp1/p2pP1P1/5P2/1PqB4/P1P1Q3/1K4RR w - -\r
+solution Rxh7\r
+id "ECM.260"\r
+go\r
+setboard 2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - -\r
+solution Bxh6\r
+id "ECM.261"\r
+go\r
+setboard r2q1rkb/pp2p3/2p2pp1/3pPb2/3P3R/2N3P1/PPPQBPK1/3R4 w - -\r
+solution Rxh8+\r
+id "ECM.262"\r
+go\r
+setboard 3r2k1/p4rPp/1b1q3Q/n1p1pP2/1p6/3B1NR1/P4P1P/6RK w - -\r
+solution Qxh7+\r
+id "ECM.263"\r
+go\r
+setboard r1bqrnk1/p4p2/1p5p/3pB1p1/P2P2n1/1P1B2N1/2Q3PP/R4RK1 w - -\r
+solution Bh7+\r
+id "ECM.264"\r
+go\r
+setboard r2rn1k1/1bqn1ppp/p7/2bpP1P1/1p1N1Q2/1P3B2/PBP1NR1P/3R2K1 w - -\r
+solution Qxf7+\r
+id "ECM.265"\r
+go\r
+setboard r2r2k1/1bqpbpp1/ppn1p2p/2p1P1N1/P1B2B2/2P5/1PPRQPPP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.266"\r
+go\r
+setboard r1b1r1k1/1p1n1p2/p1nBp1p1/q2pP1Np/P7/R2B3Q/2P2PPP/5RK1 w - -\r
+solution Nxf7\r
+id "ECM.267"\r
+go\r
+setboard r1b1k2r/ppp3pp/1qp5/2b1Pp2/3Qn3/5N2/PPPBNPPP/2KR3R w kq -\r
+solution Qd8+\r
+id "ECM.268"\r
+go\r
+setboard 1k6/1p4p1/P1p5/5Q2/2q2r2/P7/8/4R2K w - -\r
+solution Re8+\r
+id "ECM.269"\r
+go\r
+setboard 6k1/1p3p2/4r1p1/1PPrbq1p/2QN4/P2R1P1P/R4KP1/8 b - -\r
+solution Bg3+\r
+id "ECM.270"\r
+go\r
+setboard 4n1q1/1k1b4/2p4R/2Pp4/1p1N1rpQ/3B4/PPP2P2/2K5 w - -\r
+solution Nxc6\r
+id "ECM.271"\r
+go\r
+setboard r2qk2r/1pp2ppp/p3pnn1/6N1/1B1P2P1/1Q2P2P/PP3PK1/R6R b kq -\r
+solution Nh4+\r
+id "ECM.272"\r
+go\r
+setboard 2kr2r1/R2p3p/2n2p2/1R3P2/2P1p3/4BQ2/1Pq4P/4K3 w - -\r
+solution Ra8+\r
+id "ECM.273"\r
+go\r
+setboard r3r1k1/pp3pp1/2bb1q2/3p4/4n1Pp/2P1BB1P/PP2NPK1/R1Q4R b - -\r
+solution Qxf3+\r
+id "ECM.274"\r
+go\r
+setboard r1br4/ppq2pk1/3bpN2/8/2P5/3n2B1/PP2QPPP/R4K1R w - -\r
+solution Qg4+\r
+id "ECM.275"\r
+go\r
+setboard 6kb/B1p2p2/5r2/1r1p2pR/6q1/3P2P1/P1P2PP1/2KR3Q b - -\r
+solution Rb1+\r
+id "ECM.276"\r
+go\r
+setboard rn4k1/pp2p1b1/4b3/q2p2Q1/2B2P2/8/P1P1K1P1/R6R w - -\r
+solution Rh8+\r
+id "ECM.277"\r
+go\r
+setboard 3k2r1/pp1b3Q/1b2pP1p/3pN2q/5B2/7B/PP2nP1K/2R5 b - -\r
+solution Rg2+\r
+id "ECM.278"\r
+go\r
+setboard 2r2rk1/pp3qpp/8/3P1b2/3Q4/P1N1B3/5PKP/R2R4 b - -\r
+solution Rxc3\r
+id "ECM.279"\r
+go\r
+setboard r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - -\r
+solution Nxg7\r
+id "ECM.280"\r
+go\r
+setboard 4k2r/1bqnbppp/p3p3/1p2P1N1/2r2BB1/8/PPP3PP/R2Q1R1K w k -\r
+solution Nxf7\r
+id "ECM.281"\r
+go\r
+setboard 5r1k/1pqb3p/2n5/p1pB4/2Pp1r1P/1P5P/R2N2K1/3Q1R2 b - -\r
+solution Bxh3+\r
+id "ECM.282"\r
+go\r
+setboard r4r2/pp2qk2/4pnp1/3pQ3/2p2P2/3B4/PPP2P2/2KR3R w - -\r
+solution Bxg6+\r
+id "ECM.283"\r
+go\r
+setboard 3bq3/p1n2rk1/1pp1p1p1/3pPnPp/1P1P1N1P/2PN3K/P2BQR2/8 w - -\r
+solution Nxg6\r
+id "ECM.284"\r
+go\r
+setboard b6r/2q2k2/4pPp1/1p1n2Bp/2pPB1PP/2P2Q2/8/4R1K1 w - -\r
+solution Bxg6+\r
+id "ECM.285"\r
+go\r
+setboard r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - -\r
+solution Qh6+\r
+id "ECM.286"\r
+go\r
+setboard 4k3/p4ppp/nb1P4/4p3/1P6/P4BP1/3q1r1P/2R2QKR w - -\r
+solution Qb5+\r
+id "ECM.287"\r
+go\r
+setboard r2q1rk1/pp2pp2/3pb3/3Qb2R/4P1p1/1BN1Bn2/PPP2P2/2K4R w - -\r
+solution Rh8+\r
+id "ECM.288"\r
+go\r
+setboard 2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - -\r
+solution Nxg7\r
+id "ECM.289"\r
+go\r
+setboard 1rbk2nr/p1pp2b1/7p/2qP1pp1/2Bn4/2NKBP2/PP2N1PP/R2Q3R b - -\r
+solution Qxc4+\r
+id "ECM.290"\r
+go\r
+setboard 1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - -\r
+solution Rxb2\r
+id "ECM.291"\r
+go\r
+setboard 5rk1/ppp1q2p/1n1p1np1/3P2N1/1P1R2P1/2Q4P/P3r1B1/5RK1 b - -\r
+solution Rxg2+\r
+id "ECM.292"\r
+go\r
+setboard 6k1/pp2p2p/3p2p1/4b1r1/2Pn1r1q/2B1N3/PP4B1/R3QRK1 b - -\r
+solution Qh2+\r
+id "ECM.293"\r
+go\r
+setboard r2qnr2/pp3kbQ/2npb1p1/2pN1pP1/4P3/8/PPP1BP2/R1B1K1NR w KQ -\r
+solution Qxg6+\r
+id "ECM.294"\r
+go\r
+setboard r2k3r/2pb1ppp/p1p1q3/2Q5/5B2/2N5/PPP2PPP/3R2K1 w - -\r
+solution Bxc7+\r
+id "ECM.295"\r
+go\r
+setboard 2r2r2/2N2pkp/2Q5/1N2p1b1/1p6/3P1qPb/PPR2P1P/4R1K1 b - -\r
+solution e4\r
+id "ECM.296"\r
+go\r
+setboard 2r1qrk1/pp1b1ppp/4pn2/n1b5/8/2NQ1NP1/PP1BPPBP/R2R2K1 w - -\r
+solution b4\r
+id "ECM.297"\r
+go\r
+setboard 2b1qr1k/7p/p1pR2p1/1pP1p1Q1/4P3/1B6/PP4PP/6K1 w - -\r
+solution Re6\r
+id "ECM.298"\r
+go\r
+setboard 1r2k2r/2p2p1b/q1Pppb1N/p2p2P1/Q2P4/P3B3/1P5P/2KRR3 b k -\r
+solution Rb4\r
+id "ECM.299"\r
+go\r
+setboard 8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - -\r
+solution Kxd5\r
+id "ECM.300"\r
+go\r
+setboard 4b1r1/1p3ppk/3r3p/p1p1qP1B/3pPN2/3P3R/nPPQ3P/6RK w - -\r
+solution Ne6\r
+id "ECM.301"\r
+go\r
+setboard 4b2k/7p/3q3P/1p1pRpr1/1P1B4/2P2Q2/7K/8 w - -\r
+solution Qg3\r
+id "ECM.302"\r
+go\r
+setboard 2kr2r1/pbp4p/1p4p1/1NqpNp2/4nQ2/8/PPPR1PPP/2K1R3 w - -\r
+solution Nc6\r
+id "ECM.303"\r
+go\r
+setboard 1rr3k1/1p1bqpbp/1R1p2p1/pN1P4/P3P1n1/1Q6/3NB1PP/2B1R1K1 b - -\r
+solution Rc3\r
+id "ECM.304"\r
+go\r
+setboard r1br4/1p3k2/p2q1p2/3N1Pp1/3Q4/8/PP4P1/4RR1K w - -\r
+solution Re6\r
+id "ECM.305"\r
+go\r
+setboard r3kbnr/p4ppp/2p1p3/8/Q1B3b1/2N1B3/PP3PqP/R3K2R w KQkq -\r
+solution Bd5\r
+id "ECM.306"\r
+go\r
+setboard 3r1rk1/2p1qp1p/pnP3p1/4n3/PP1NpR2/1BQ4P/6P1/5RK1 w - -\r
+solution Ne6\r
+id "ECM.307"\r
+go\r
+setboard r1bq1k2/5pb1/p2p1n2/2pPrP2/2p4B/3B2R1/PP1Q2PP/R5K1 w - -\r
+solution Qg5\r
+id "ECM.308"\r
+go\r
+setboard 2bq1rk1/p4pbp/p2p2p1/3P4/2p1QP2/2Pr3P/PP1N2P1/R1B2RK1 b - -\r
+solution Bd4+\r
+id "ECM.309"\r
+go\r
+setboard r5rk/1p1bqpnp/3p1b1B/pBnPp2P/4P3/2N2Q2/PP3P2/R3KNR1 b Q -\r
+solution Nf5\r
+id "ECM.310"\r
+go\r
+setboard r3rk2/p2q1b1p/1pnP1Qp1/5pN1/2p2P2/P1P5/7P/4RRK1 w - -\r
+solution Re7\r
+id "ECM.311"\r
+go\r
+setboard r3r1k1/p1q2pp1/2p4p/7n/BPPP2N1/3Q1N2/P3n1P1/R1B4K b - -\r
+solution Nhg3+\r
+id "ECM.312"\r
+go\r
+setboard r2qrbk1/1p4pb/2n2p1p/pNpn4/2N5/PP1PPQPB/1B5P/2R2RK1 w - -\r
+solution Nbd6\r
+id "ECM.313"\r
+go\r
+setboard 5r1k/1p1b1p1p/p2ppb2/5P1B/1q6/1Pr3R1/2PQ2PP/5R1K w - -\r
+solution Qh6\r
+id "ECM.314"\r
+go\r
+setboard r1b2rk1/p3bppp/2q5/8/2p1NR2/PnB1P3/1PB1Q1PP/3R2K1 w - -\r
+solution Rd6\r
+id "ECM.315"\r
+go\r
+setboard r1rbb3/1R3pkp/2pBp1p1/p3P3/q6P/6P1/P2Q1P2/1R3BK1 w - -\r
+solution R1b4\r
+id "ECM.316"\r
+go\r
+setboard 4r3/pp1b3k/2p2qpp/2Pp4/1P6/PBbP1N1P/2R3P1/3Q3K b - -\r
+solution Re1+\r
+id "ECM.317"\r
+go\r
+setboard 1rb2rk1/p1p2ppp/2q5/3R4/2P1N3/bP4B1/P1Q2P1P/1K5R w - -\r
+solution Bd6\r
+id "ECM.318"\r
+go\r
+setboard 8/5k1p/5PpB/3PR3/2r4P/1p3K2/2b5/8 b - -\r
+solution Re4\r
+id "ECM.319"\r
+go\r
+setboard 4r2k/3b3p/p2p4/2pP1p2/q1B2Q1P/2PK1P2/Pr1R4/7R b - -\r
+solution Re4\r
+id "ECM.320"\r
+go\r
+setboard rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - -\r
+solution Rd5\r
+id "ECM.321"\r
+go\r
+setboard 2R5/2R4p/5p1k/6n1/8/1P2QPPq/r7/6K1 w - -\r
+solution Rxh7+\r
+id "ECM.322"\r
+go\r
+setboard r1b1r1kb/p1qn1pnp/2p1p1p1/4P1N1/2p1NPP1/4B3/PPPQ3P/3RK2R w K -\r
+solution Qxd7\r
+id "ECM.323"\r
+go\r
+setboard 5k1r/ppqnnp2/3b2p1/2pB2Qp/3p3N/1P1P2P1/P1P2P2/2B1R1K1 w - -\r
+solution Rxe7\r
+id "ECM.324"\r
+go\r
+setboard 5rk1/5p1p/8/3pNp2/RPrqn3/1Q5P/1P3PP1/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.325"\r
+go\r
+setboard 2rr2k1/4qppp/bn6/p1bB4/4N3/6P1/PB2PP1P/2RQ1RK1 w - -\r
+solution Rxc5\r
+id "ECM.326"\r
+go\r
+setboard 3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - -\r
+solution Rxd7\r
+id "ECM.327"\r
+go\r
+setboard 5rk1/r2nqpp1/p3p3/1p2P3/4N1pP/8/PPP3Q1/1K1R3R w - -\r
+solution Rxd7\r
+id "ECM.328"\r
+go\r
+setboard 1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - -\r
+solution Qh6\r
+id "ECM.329"\r
+go\r
+setboard 2r2r1k/1pq1b1p1/p1b1Qn1p/8/3B4/2NB4/PPP3PP/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.330"\r
+go\r
+setboard 3rqb2/1pR3pk/p3n1pp/3p4/3B4/PP6/1P4PP/4RQK1 w - -\r
+solution Rxe6\r
+id "ECM.331"\r
+go\r
+setboard rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - -\r
+solution Rxc8+\r
+id "ECM.332"\r
+go\r
+setboard 2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - -\r
+solution Rxe4\r
+id "ECM.333"\r
+go\r
+setboard r3r1k1/1p3pPp/p1p5/3bb2N/7q/1P1Q4/2PB2PP/4RRK1 w - -\r
+solution Rxe5\r
+id "ECM.334"\r
+go\r
+setboard 8/5p2/4p1k1/4P1p1/2rBRbK1/5P2/r4P2/7R b - -\r
+solution Rxd4\r
+id "ECM.335"\r
+go\r
+setboard r1bqr1k1/pp3pp1/2p4p/3PN1n1/3P1b2/2NB4/PPQ2PPP/3R1RK1 b - -\r
+solution Rxe5\r
+id "ECM.336"\r
+go\r
+setboard r3r1k1/pbqn1ppp/1p3n2/1Pb5/2p5/5N1P/PBQ1BPP1/1N1R1RK1 b - -\r
+solution Rxe2\r
+id "ECM.337"\r
+go\r
+setboard 2r2rbk/6bp/5qp1/1N1p1n2/4p3/1p5P/1P3PP1/RBBQ1RK1 b - -\r
+solution Ng3\r
+id "ECM.338"\r
+go\r
+setboard r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - -\r
+solution Rxc5\r
+id "ECM.339"\r
+go\r
+setboard 1k2r2r/1bpQN2p/1p6/P3p2q/4np2/2P2N2/2P2PPP/R3R1K1 b - -\r
+solution Rxe7\r
+id "ECM.340"\r
+go\r
+setboard r1k2n1r/2pb4/1p1p1qpp/p2P1p2/3N1P1P/2Q3P1/PPP1R3/2K1RB2 w - -\r
+solution Re8+\r
+id "ECM.341"\r
+go\r
+setboard r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - -\r
+solution Qf6+\r
+id "ECM.342"\r
+go\r
+setboard rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - -\r
+solution Nxe6\r
+id "ECM.343"\r
+go\r
+setboard 4q1r1/5kpp/2p1nb2/2PpQp2/r4P2/1N3P2/1BP1R2P/6RK w - -\r
+solution Rxg7+\r
+id "ECM.344"\r
+go\r
+setboard 2r1k2r/1pq1bppp/p3bn2/4N3/2pPN3/2P5/P3QPPP/R1B1R1K1 w k -\r
+solution Nxf6+\r
+id "ECM.345"\r
+go\r
+setboard 1r3k1r/4Rn1p/pb1p1P2/1p1q2P1/5p2/7Q/PPP1B1RP/2K5 w - -\r
+solution Rxf7+\r
+id "ECM.346"\r
+go\r
+setboard 4rrk1/ppn3pp/2pb1n1q/3p4/1P1P4/P3BNP1/2P1BPKP/R2Q1R2 b - -\r
+solution Rxe3\r
+id "ECM.347"\r
+go\r
+setboard 2b1r2k/2Q4p/4q3/1pp5/3b4/4NP2/1P3BP1/3R2K1 w - -\r
+solution Rxd4\r
+id "ECM.348"\r
+go\r
+setboard r3r1k1/pp3ppp/1qp5/2bbNQ2/5B2/2P5/PP3PPP/3RR1K1 w - -\r
+solution Rxd5\r
+id "ECM.349"\r
+go\r
+setboard 7r/3qbk1r/3p1n2/p1pPp1p1/Pp1nPpP1/1P1Q1P1B/1NP3K1/R3B2R b - -\r
+solution Nxg4\r
+id "ECM.350"\r
+go\r
+setboard r2qn1k1/1p1b3p/2pp1b2/6pQ/p1P1P3/P1N3PB/1P6/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.351"\r
+go\r
+setboard 2rq3r/5p2/p3pkbQ/3p4/3N4/2P4R/P4PP1/4R1K1 w - -\r
+solution Rf3+\r
+id "ECM.352"\r
+go\r
+setboard r4k1r/pp2pp2/3p1b2/q2PnQpp/3N4/1BP3P1/PP3PP1/3RR1K1 w - -\r
+solution Rxe5\r
+id "ECM.353"\r
+go\r
+setboard 5rk1/2p3pp/p1p4r/2P1p3/3pPnq1/1P3R1P/PN1Q3K/R5N1 b - -\r
+solution Qxf3\r
+id "ECM.354"\r
+go\r
+setboard r1b3rk/pp1n3p/2p2b1n/4pp1q/2P5/1P3NPP/PBQ1NPB1/3RR1K1 w - -\r
+solution Rxd7\r
+id "ECM.355"\r
+go\r
+setboard 2r2rk1/p3p1bp/3qP1p1/1Q1p4/P4P2/3R4/1P4PP/2B2RK1 b - -\r
+solution Rxc1\r
+id "ECM.356"\r
+go\r
+setboard r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - -\r
+solution Rxd4\r
+id "ECM.357"\r
+go\r
+setboard 1r6/3b1pk1/pr1p1q1p/2pPb1p1/2B1P1P1/2N2PP1/1PQ3K1/RR6 b - -\r
+solution Rxb2\r
+id "ECM.358"\r
+go\r
+setboard 2r2rk1/5ppp/1p2p3/p7/1n1R4/P1NnPN2/1P3PPP/1R4K1 b - -\r
+solution Nxb2\r
+id "ECM.359"\r
+go\r
+setboard 2r3k1/p1r1ppb1/2bp1np1/q5N1/1p1BP2Q/3P4/PP2N1PP/2R2R1K w - -\r
+solution Bxf6\r
+id "ECM.360"\r
+go\r
+setboard r3r1k1/p4ppp/2pp1b2/8/q2n1P2/2BQ3P/PPP3P1/1K1R2NR b - -\r
+solution Re3\r
+id "ECM.361"\r
+go\r
+setboard rn1kr3/pppb4/3p1q2/3P1pNn/2P2P1p/1P2Q2P/P2NR1B1/4R1K1 w - -\r
+solution Qxe8+\r
+id "ECM.362"\r
+go\r
+setboard r2q1rk1/ppp1b1pp/1nn1p3/4P3/2PP4/2N1B2P/PP1Q4/2KR1B1R b - -\r
+solution Rxf1\r
+id "ECM.363"\r
+go\r
+setboard r3k3/1pqb1p2/p3p3/4n2r/3N1Q2/2P5/PP4B1/4RRK1 w q -\r
+solution Rxe5\r
+id "ECM.364"\r
+go\r
+setboard 1rb2bk1/q4r2/pB1p1nn1/3Pp3/N3PpP1/8/1PQ1BNP1/R1R3K1 b - -\r
+solution Rxb6\r
+id "ECM.365"\r
+go\r
+setboard 2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - -\r
+solution Rxd8\r
+id "ECM.366"\r
+go\r
+setboard r4rk1/5p2/p1b1pQpq/8/1B2P3/2NR4/PPP3PP/1K6 w - -\r
+solution Rd5\r
+id "ECM.367"\r
+go\r
+setboard 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - -\r
+solution Rxg6+\r
+id "ECM.368"\r
+go\r
+setboard 2rr2k1/5ppp/p1b1pn2/q1p5/P1B1PQ2/R1PN1P2/6PP/1R4K1 b - -\r
+solution Rxd3\r
+id "ECM.369"\r
+go\r
+setboard 1r2r1k1/1pqb2pp/p2bp1n1/2p3BQ/3pN3/1P1P2P1/P1P3BP/4RRK1 w - -\r
+solution Bd8\r
+id "ECM.370"\r
+go\r
+setboard 1k2rb1r/pbp1q1pp/2pp4/2PnpP2/Q7/1P3NP1/PB5P/2KR1B1R w - -\r
+solution Rxd5\r
+id "ECM.371"\r
+go\r
+setboard 7k/p1p1r2p/1p1pnr1q/5pp1/2PPPp2/2PB1P1P/P2Q1PRK/7R b - -\r
+solution g4\r
+id "ECM.372"\r
+go\r
+setboard 5qk1/p4p2/1p3Pp1/2p4Q/3rr3/7R/PP6/6RK b - -\r
+solution Rh4\r
+id "ECM.373"\r
+go\r
+setboard 5r1k/5Bb1/3p2Pp/p1pP4/1p2Q3/4P1P1/q7/3K3R w - -\r
+solution Rxh6+\r
+id "ECM.374"\r
+go\r
+setboard 2b4B/1pp2k2/1p6/3P3n/5p1P/1P4p1/P2r2P1/R5KR b - -\r
+solution f3\r
+id "ECM.375"\r
+go\r
+setboard r3k2N/pppbq1pp/5n2/3Ppn2/2BP4/2P3bP/PP2Q1P1/RNB2K1R b q -\r
+solution Bh2\r
+id "ECM.376"\r
+go\r
+setboard r2q1r2/p1pbppbk/1p3npp/n2P2B1/7Q/2NB1N2/PPP3PP/4RRK1 w - -\r
+solution d6\r
+id "ECM.377"\r
+go\r
+setboard 5n2/3bp1r1/1r1p3k/p1p2pNp/1nP2P1P/1PN1PB1K/P5R1/6R1 w - -\r
+solution Nf7+\r
+id "ECM.378"\r
+go\r
+setboard r3bb2/P1q3k1/Q2p3p/2pPp1pP/2B1P3/2B5/6P1/R5K1 w - -\r
+solution Bxe5+\r
+id "ECM.379"\r
+go\r
+setboard r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - -\r
+solution Bc3\r
+id "ECM.380"\r
+go\r
+setboard 2r1k2r/3b1pb1/p2ppp2/2q2P2/2p1P2p/P1N2N2/1PP1Q1PP/3R1R1K w k -\r
+solution e5\r
+id "ECM.381"\r
+go\r
+setboard 3r1rk1/1pq1bppp/p7/n2RN3/P7/1P6/1B2QPPP/R5K1 w - -\r
+solution Nd7\r
+id "ECM.382"\r
+go\r
+setboard q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - -\r
+solution Rxc4\r
+id "ECM.383"\r
+go\r
+setboard r3bknr/1p4pp/p3Q3/q4pb1/P1Bn4/8/1PP2PPP/R1B1R1K1 w - -\r
+solution Qd6+\r
+id "ECM.384"\r
+go\r
+setboard r1b1nrk1/p2n3p/2pp4/8/2P2q1N/1PB4P/P4PB1/R2QR1K1 w - -\r
+solution Bd5+\r
+id "ECM.385"\r
+go\r
+setboard 7k/5rp1/p1bQB2p/1p4nN/4P3/1Pq5/P5PP/3R3K b - -\r
+solution Bxe4\r
+id "ECM.386"\r
+go\r
+setboard r4r1k/1bq4p/p4bp1/3pn3/NP6/Q1PBB2P/6P1/3R1RK1 b - -\r
+solution d4\r
+id "ECM.387"\r
+go\r
+setboard r2r2k1/1bq2pb1/6pp/2P1p3/1nBpN2N/6PP/2Q2P2/3RR1K1 w - -\r
+solution Nf6+\r
+id "ECM.388"\r
+go\r
+setboard r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - -\r
+solution Nf6+\r
+id "ECM.389"\r
+go\r
+setboard 2k1r3/Qp3pb1/2p4p/6q1/8/1P4PN/PBPn1P2/K2R4 b - -\r
+solution Qe5\r
+id "ECM.390"\r
+go\r
+setboard r3r1k1/1pp2p1b/7p/2Q5/2PP2p1/2P1NpPq/P2R1P1P/6RK b - -\r
+solution Rxe3\r
+id "ECM.391"\r
+go\r
+setboard 5bk1/5p1p/Q5p1/1B4n1/8/2q1p3/6PP/3R2K1 b - -\r
+solution e2\r
+id "ECM.392"\r
+go\r
+setboard r5k1/1p3pp1/1p3q1p/1P1bQ3/P2P3n/8/3B1PPP/R3R1K1 b - -\r
+solution Nf3+\r
+id "ECM.393"\r
+go\r
+setboard 2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - -\r
+solution Rxa6\r
+id "ECM.394"\r
+go\r
+setboard r5kr/p3PR1p/1p1p2pq/4n3/8/3B4/P4QPP/4R1K1 w - -\r
+solution Rxe5\r
+id "ECM.395"\r
+go\r
+setboard 2bq1b2/1p3k2/1r1p1p1p/pNpP1PpP/P1P3P1/6B1/1P5Q/2K1R3 w - -\r
+solution Re6\r
+id "ECM.396"\r
+go\r
+setboard 2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - -\r
+solution Rhg8\r
+id "ECM.397"\r
+go\r
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -\r
+solution Rxd3\r
+id "ECM.398"\r
+go\r
+setboard 2r2nk1/6pp/p1rPqp2/1pP1p3/1P6/2B3R1/1P2Q1PP/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.399"\r
+go\r
+setboard 3r2k1/pb3p1p/1q4p1/2b1P3/1Pp5/2P1p1P1/P3Q1BP/R1B4K b - -\r
+solution Qc6\r
+id "ECM.400"\r
+go\r
+setboard r2rnbk1/pp3ppp/1q4n1/3p1N2/5P2/1PQB4/PBP3PP/4RR1K w - -\r
+solution Nh6+\r
+id "ECM.401"\r
+go\r
+setboard r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - -\r
+solution e5\r
+id "ECM.402"\r
+go\r
+setboard r1b2rk1/pp2qp2/2nRp1p1/6Pn/1Pp5/P1N1P3/1BQ2PP1/2K2B1R w - -\r
+solution Rxh5\r
+id "ECM.403"\r
+go\r
+setboard 5rr1/pp1kq1bp/2bppn2/2p3B1/4N3/2NP2P1/PPP4P/R3QRK1 b - -\r
+solution Nxe4\r
+id "ECM.404"\r
+go\r
+setboard 1r1q1k2/R4pp1/5p1r/1p1p1n1p/3Pb2N/1BP5/2P1Q1PP/4R1K1 w - -\r
+solution Qxe4\r
+id "ECM.405"\r
+go\r
+setboard R2b2k1/2rq1n1p/3p2p1/1p1Ppp1n/1P6/1B1PQN1P/1B3PP1/6K1 w - -\r
+solution Nxe5\r
+id "ECM.406"\r
+go\r
+setboard r1b3kr/bp3ppp/p1nNp3/4P3/P1Q2P2/BBP5/5qPP/R2R3K w - -\r
+solution Nxc8\r
+id "ECM.407"\r
+go\r
+setboard 6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - -\r
+solution Rxc4\r
+id "ECM.408"\r
+go\r
+setboard 4r1k1/1p5p/5ppP/1qnP4/r4R2/P6P/1B1Q2K1/5R2 w - -\r
+solution Rxf6\r
+id "ECM.409"\r
+go\r
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -\r
+solution e6\r
+id "ECM.410"\r
+go\r
+setboard r4rk1/1b4bp/p1npq1P1/R3p3/8/1N2BP2/1PPQ2P1/4KB1R w K -\r
+solution Qxd6\r
+id "ECM.411"\r
+go\r
+setboard 6k1/pbq2pp1/4r2p/8/3prb2/1P1Q3P/PN2BPP1/3RRK2 b - -\r
+solution Bd2\r
+id "ECM.412"\r
+go\r
+setboard 6k1/2p3p1/2b4p/p4P2/2pR2PK/2P1r2P/1B6/8 b - -\r
+solution Bg2\r
+id "ECM.413"\r
+go\r
+setboard r1b2rk1/pp2ppbp/2np1np1/q7/4P3/2N1BN2/PPPQBPPP/2KR3R b - -\r
+solution Nxe4\r
+id "ECM.414"\r
+go\r
+setboard 3r1rk1/p1q4p/1p3bp1/3bnp2/3B4/1NPB3P/P1PQ2P1/1R2R2K b - -\r
+solution Nf3\r
+id "ECM.415"\r
+go\r
+setboard r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - -\r
+solution Ng5\r
+id "ECM.416"\r
+go\r
+setboard 1r1q2k1/7p/2p3p1/1P1n1b1r/2BQ4/4B3/P6P/1R3RK1 w - -\r
+solution bxc6\r
+id "ECM.417"\r
+go\r
+setboard r3kbnr/1ppb3p/p1q1pp2/3p4/3P4/2N2N2/PPP2PPP/R1BQ1RK1 w kq -\r
+solution Ne5\r
+id "ECM.418"\r
+go\r
+setboard r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.419"\r
+go\r
+setboard 3rr1k1/1p1qb2p/pP4p1/2p2p2/4RQ2/3P4/1PPB2PP/4R1K1 w - -\r
+solution Bc3\r
+id "ECM.420"\r
+go\r
+setboard 2b2r2/rpp2pkp/3pq3/2pR2P1/2n1P1N1/2P2B2/1P3Q1P/1K5R b - -\r
+solution Qxd5\r
+id "ECM.421"\r
+go\r
+setboard 6k1/rnqb3p/5ppQ/2pPp3/p1N1P3/2PB3P/5PP1/1R4K1 w - -\r
+solution f4\r
+id "ECM.422"\r
+go\r
+setboard 7r/pp4k1/3pn1p1/q1pB1b2/2P5/5NR1/1P3PP1/2Q3K1 w - -\r
+solution b4\r
+id "ECM.423"\r
+go\r
+setboard 5r2/4prkp/3q2p1/2pP1n2/N1Q2R2/1P4PP/P5K1/4R3 b - -\r
+solution g5\r
+id "ECM.424"\r
+go\r
+setboard B1b1rbk1/5ppp/pq6/1p2n3/2p2P2/6PP/PPQ4K/R1BR4 b - -\r
+solution Ng4+\r
+id "ECM.425"\r
+go\r
+setboard 8/2R4p/2R3bk/8/5N1P/1p3PP1/2pqP1K1/8 w - -\r
+solution g4\r
+id "ECM.426"\r
+go\r
+setboard 6k1/p4p1p/3pqp2/2p1r3/2Pnr1N1/P6P/1P1Q1PP1/3R1RK1 b - -\r
+solution Ne2+\r
+id "ECM.427"\r
+go\r
+setboard 1kqr3r/p1p4p/RpQP4/2P1p3/4B3/4Bp2/P4P1P/6K1 b - -\r
+solution Rdg8+\r
+id "ECM.428"\r
+go\r
+setboard 6k1/3Q1pp1/4p2p/p2pP3/1p1P2P1/nP1R1N2/q1r2PKP/8 w - -\r
+solution Qe8+\r
+id "ECM.429"\r
+go\r
+setboard 6k1/5pp1/p5r1/3Np2q/4P2p/1r3P1Q/n4P1P/3R2RK w - -\r
+solution Rxg6\r
+id "ECM.430"\r
+go\r
+setboard nr2rb2/3q1kpp/3p4/pnpPpNBP/2N1P3/3Q4/PP3P2/2K3RR w - -\r
+solution Nh6+\r
+id "ECM.431"\r
+go\r
+setboard r3k1r1/1pp2ppp/pb1p1qn1/4p2b/2B1P3/N1PP1NPP/PP2QPK1/R4R2 b q -\r
+solution Nh4+\r
+id "ECM.432"\r
+go\r
+setboard 1n2n1r1/r3qppk/p2p3p/3PpP1P/1P2P3/3B2RQ/3B1P1K/6R1 w - -\r
+solution Bxh6\r
+id "ECM.433"\r
+go\r
+setboard r2b4/pb2q1k1/np1p2r1/1N1Pp2Q/PPN1Pp2/8/2R2BPp/2R4K w - -\r
+solution Ncxd6\r
+id "ECM.434"\r
+go\r
+setboard r7/2qnb1kp/p2p1nP1/1p1Pp1p1/6N1/3BB2Q/PPP4P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.435"\r
+go\r
+setboard n1rqk3/1p2p3/1n1pP1p1/pP1P1p1r/3B3P/1BN3p1/3Q4/R3K2R w KQ -\r
+solution Qg5\r
+id "ECM.436"\r
+go\r
+setboard rn2kr2/pp1b1pQp/3Pp3/qB1n4/3N4/P7/1PP2PPP/2KR3R w q -\r
+solution Nxe6\r
+id "ECM.437"\r
+go\r
+setboard 3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - -\r
+solution Bh4\r
+id "ECM.438"\r
+go\r
+setboard r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - -\r
+solution Bf8\r
+id "ECM.439"\r
+go\r
+setboard 4rr1k/pbp3bp/3p4/1p5q/3n4/1B1Q2B1/PP1N1N1P/4RRK1 b - -\r
+solution Rf3\r
+id "ECM.440"\r
+go\r
+setboard r3k2r/pp2ppbp/1qp5/2n2b2/2P5/4BN2/PP1QBP1P/2KR3R b kq -\r
+solution Nb3+\r
+id "ECM.441"\r
+go\r
+setboard 4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - -\r
+solution Ng6+\r
+id "ECM.442"\r
+go\r
+setboard 2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - -\r
+solution Qb2\r
+id "ECM.443"\r
+go\r
+setboard 2r3k1/n3qppp/1B1r1n2/N7/N4P2/1Q4PP/P5B1/R1b4K b - -\r
+solution Qe1+\r
+id "ECM.444"\r
+go\r
+setboard 7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - -\r
+solution Qxg5+\r
+id "ECM.445"\r
+go\r
+setboard rnb2k2/ppbp2p1/2p2pB1/8/1PN5/2P5/P4PPP/R1B3K1 w - -\r
+solution Bf4\r
+id "ECM.446"\r
+go\r
+setboard 2k5/1p1b4/2n1p1r1/7q/4RP2/3BQN2/2P2K1P/8 w - -\r
+solution f5\r
+id "ECM.447"\r
+go\r
+setboard 2k3r1/1ppr3p/p1pB2q1/6n1/N3Pp2/8/PPP1Q1PP/3R1RK1 b - -\r
+solution f3\r
+id "ECM.448"\r
+go\r
+setboard r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - -\r
+solution Rxh2+\r
+id "ECM.449"\r
+go\r
+setboard 6r1/6rk/3p3p/p2Rp3/R1PqPp1b/2N2Q2/6PP/7K b - -\r
+solution Rxg2\r
+id "ECM.450"\r
+go\r
+setboard 4r1k1/1p2rq1p/2bQpp2/p1Pp4/3P4/P3RN2/5PPP/4R1K1 w - -\r
+solution Ne5\r
+id "ECM.451"\r
+go\r
+setboard b2b1r1k/3R1ppp/4qP2/4p1PQ/4P3/5B2/4N1KP/8 w - -\r
+solution g6\r
+id "ECM.452"\r
+go\r
+setboard 1k4q1/1p2Rprp/p1p5/2Pp4/1P1Q3P/6P1/P5K1/8 w - -\r
+solution Qe5+\r
+id "ECM.453"\r
+go\r
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -\r
+solution Ng6+\r
+id "ECM.454"\r
+go\r
+setboard r4r1k/p2bN2p/1p1p1p2/2q4P/3Q4/1P6/1PP3P1/1K2R2R w - -\r
+solution Ng6+\r
+id "ECM.455"\r
+go\r
+setboard 2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - -\r
+solution h4\r
+id "ECM.456"\r
+go\r
+setboard r1b2k1r/1p2qp2/pN1p1n2/2pP2pp/P2bP1P1/2N5/1P2BPP1/R2Q1RK1 b - -\r
+solution hxg4\r
+id "ECM.457"\r
+go\r
+setboard 6nk/p4rrp/1p1p1p2/1q1Pp2R/4B1P1/1PP2Q1R/P6P/7K w - -\r
+solution g5\r
+id "ECM.458"\r
+go\r
+setboard r1b1k2r/6pp/p1p1p3/3np1B1/1b2N3/8/q1PQB1PP/3RK2R w Kkq -\r
+solution Qxb4\r
+id "ECM.459"\r
+go\r
+setboard 3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -\r
+solution Bxh5\r
+id "ECM.460"\r
+go\r
+setboard 2r3k1/4qpp1/2p1r3/pbQpN1Pp/3P1P1P/4P3/PP6/1KR3R1 w - -\r
+solution Qxb5\r
+id "ECM.461"\r
+go\r
+setboard 4r2k/p2Q3p/2p1r1p1/4NpR1/3P4/2P1PP1b/P4q1P/6RK w - -\r
+solution Nxg6+\r
+id "ECM.462"\r
+go\r
+setboard 4r1kb/p2r4/1np1p1p1/3nP1Bp/1p3P1R/1B2qP2/PPPN3Q/2K4R w - -\r
+solution Rxh5\r
+id "ECM.463"\r
+go\r
+setboard 2rq2k1/pp1bpp1p/3p1np1/8/3NPPnQ/1BP5/P1P3P1/1K1R3R w - -\r
+solution e5\r
+id "ECM.464"\r
+go\r
+setboard r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -\r
+solution Rxd5\r
+id "ECM.465"\r
+go\r
+setboard 2r1kr2/p1qbbp1Q/3pp3/5p2/1p1N1PB1/6P1/PPP4P/K2RR3 w - -\r
+solution Bxf5\r
+id "ECM.466"\r
+go\r
+setboard r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -\r
+solution Rf6\r
+id "ECM.467"\r
+go\r
+setboard 2rr2k1/5pn1/1b2q1pp/pP1pP3/2pP1PP1/2R1B2P/2Q3B1/3R3K w - -\r
+solution f5\r
+id "ECM.468"\r
+go\r
+setboard 2Q2bkr/5p2/1rb5/1pN1n1qB/1P1pPN2/6P1/5P2/R1R3K1 w - -\r
+solution Nce6\r
+id "ECM.469"\r
+go\r
+setboard 2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - -\r
+solution Nc3+\r
+id "ECM.470"\r
+go\r
+setboard 2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - -\r
+solution Nxf5+\r
+id "ECM.471"\r
+go\r
+setboard 1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - -\r
+solution Ne6\r
+id "ECM.472"\r
+go\r
+setboard r7/pp4pk/2n3qp/5p2/3p4/P4QB1/1PP1RPPP/6K1 b - -\r
+solution d3\r
+id "ECM.473"\r
+go\r
+setboard 2r2r1k/1p3p1p/p2p1Pp1/3Pp3/1q2Bn1Q/8/1PP3PP/4RR1K w - -\r
+solution Rxf4\r
+id "ECM.474"\r
+go\r
+setboard r4rk1/5ppp/p7/4PR2/P1qnp2Q/4B3/1P4PP/5RK1 w - -\r
+solution Rh5\r
+id "ECM.475"\r
+go\r
+setboard 4r3/pb3pk1/6p1/8/6P1/1PNrB2K/P4P1P/2R5 b - -\r
+solution Rexe3+\r
+id "ECM.476"\r
+go\r
+setboard 1r3kr1/p3q1b1/3p2Q1/2p2p2/2P2N2/4Pn2/PB6/K2R3R w - -\r
+solution Ne6+\r
+id "ECM.477"\r
+go\r
+setboard 5r1k/6bp/3p1q2/3Q1nP1/8/6P1/PP3BKP/R2N4 b - -\r
+solution Ne3+\r
+id "ECM.478"\r
+go\r
+setboard 1r1q1k1r/Q4ppp/2B2n2/8/Pbbp4/1P4P1/2PP1P1P/R1B1K2R b KQ -\r
+solution Qe8+\r
+id "ECM.479"\r
+go\r
+setboard 5rk1/p1p1R1p1/1p5p/8/2pP1P2/3n2P1/PP2Q2P/5KNq b - -\r
+solution Nxf4\r
+id "ECM.480"\r
+go\r
+setboard r5k1/1N3ppp/4b3/1Nq5/Pn3pn1/5B2/1PPQ3P/R6K b - -\r
+solution Qxb5\r
+id "ECM.481"\r
+go\r
+setboard 1r2k2r/1bq2pp1/pn2p2p/1p2P1b1/3N4/2N3Q1/PPP3PP/1K1R1BR1 w k -\r
+solution Bxb5+\r
+id "ECM.482"\r
+go\r
+setboard r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - -\r
+solution Nxh6\r
+id "ECM.483"\r
+go\r
+setboard 2r2r2/p4p1k/1p2pBpn/2p5/6N1/8/P4P2/R3R1K1 w - -\r
+solution Kg2\r
+id "ECM.484"\r
+go\r
+setboard r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -\r
+solution Bg5\r
+id "ECM.485"\r
+go\r
+setboard 3rn1k1/pp3ppp/6b1/2p1Q3/2P1P3/P4P2/1B1qBP1P/1R5K w - -\r
+solution Rd1\r
+id "ECM.486"\r
+go\r
+setboard 4r1k1/5ppp/p1q3b1/1ppNr3/2P1P3/1P4QP/P4PP1/4RRK1 w - -\r
+solution f4\r
+id "ECM.487"\r
+go\r
+setboard 2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - -\r
+solution Bh3\r
+id "ECM.488"\r
+go\r
+setboard 2b3k1/5qp1/p2r1n1p/3p4/3B4/1RP3QP/P2Nr1P1/3R2K1 b - -\r
+solution Ne4\r
+id "ECM.489"\r
+go\r
+setboard 6k1/5rp1/4Nb1p/2p5/4Q3/1r5P/q5P1/3R1R1K w - -\r
+solution Rxf6\r
+id "ECM.490"\r
+go\r
+setboard 1r2r1k1/p4ppb/q1pbnn1p/4p3/N1P1P3/pPB2NP1/2Q1RPBP/R5K1 b - -\r
+solution Nxe4\r
+id "ECM.491"\r
+go\r
+setboard r4r2/1pnqb2k/3p1p1p/p1pPpPpP/2P1N1P1/4BP2/PP1Q4/R2R2K1 w - -\r
+solution Bxc5\r
+id "ECM.492"\r
+go\r
+setboard rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - -\r
+solution Nf6+\r
+id "ECM.493"\r
+go\r
+setboard 6kr/1p1r1p1p/p2pnPpQ/3Np2R/2q1P3/5P2/PPP5/2KR4 w - -\r
+solution Rxe5\r
+id "ECM.494"\r
+go\r
+setboard 3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -\r
+solution Nd6\r
+id "ECM.495"\r
+go\r
+setboard r2q1rk1/pp1n2pp/2pb4/1P1p3n/P1PPpP2/4P2b/1BNNBP1P/R2QR1K1 b - -\r
+solution Nxf4\r
+id "ECM.496"\r
+go\r
+setboard rq1r2k1/3nbp1p/p2p2p1/1p1Pp1P1/3B1P2/3B3Q/PPP4P/2KR2R1 w - -\r
+solution f5\r
+id "ECM.497"\r
+go\r
+setboard r4rk1/1bq1bppp/8/p2pPR2/3B4/1NnP3Q/1P4PP/4R1K1 w - -\r
+solution Rh5\r
+id "ECM.498"\r
+go\r
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -\r
+solution Nxh5\r
+id "ECM.499"\r
+go\r
+setboard r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - -\r
+solution f3\r
+id "ECM.500"\r
+go\r
+setboard 4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - -\r
+solution Nxf3\r
+id "ECM.501"\r
+go\r
+setboard r2qkr2/1p3pQp/2p1b3/1B1pN3/1p6/8/1P1K1PPP/2B1R3 w q -\r
+solution Nxc6\r
+id "ECM.502"\r
+go\r
+setboard r3rk2/pb2bpp1/1n5p/q1pP1B2/1p3B2/5N2/PPQ2PPP/R2R2K1 w - -\r
+solution Bc8\r
+id "ECM.503"\r
+go\r
+setboard r1bqr2k/ppp2p1p/5b2/3Pn1p1/1PP1Bp2/8/PB2N1PP/R2Q1RK1 w - -\r
+solution Nxf4\r
+id "ECM.504"\r
+go\r
+setboard 1q4k1/p3rppp/3b1n2/8/5P2/4P3/PP1B3P/RNQ3K1 b - -\r
+solution Bxf4\r
+id "ECM.505"\r
+go\r
+setboard r3k2r/1p1b1p2/p3p3/2b3p1/4N1n1/1B5P/PPP3P1/R1B2R1K b kq -\r
+solution Bc6\r
+id "ECM.506"\r
+go\r
+setboard r3kb1r/npqbpp1p/p3n1p1/P3P3/6N1/3B1NB1/1PP3PP/R3QRK1 w kq -\r
+solution Ng5\r
+id "ECM.507"\r
+go\r
+setboard 7k/p6p/4bppb/1N6/P2p1p2/1PrP2P1/2r1P2P/1R1Q2K1 b - -\r
+solution f3\r
+id "ECM.508"\r
+go\r
+setboard 2kr4/pp1r1pp1/4n1p1/4R3/2Pp1qP1/3P2QP/5PB1/1R4K1 w - -\r
+solution Rc5+\r
+id "ECM.509"\r
+go\r
+setboard 3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -\r
+solution Rxe6\r
+id "ECM.510"\r
+go\r
+setboard r2qkn1r/pb2bp2/1pp1p3/5p1p/2BPN3/5NQ1/PPP2PPP/1K1RR3 w kq -\r
+solution d5\r
+id "ECM.511"\r
+go\r
+setboard 2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -\r
+solution Nxf5\r
+id "ECM.512"\r
+go\r
+setboard 3r3k/p4npp/1p2qpb1/4P3/5P2/P3N3/1B2QP1P/6RK w - -\r
+solution exf6\r
+id "ECM.513"\r
+go\r
+setboard 6rk/1b2bp1p/ppq1p3/2p1Pp2/P1Br1P2/1PNR2P1/2P1QK1P/6R1 b - -\r
+solution Rxf4+\r
+id "ECM.514"\r
+go\r
+setboard r3r1k1/p1q2pp1/b1pb3p/n7/B3n3/2P1BN2/PP1N1PPP/R2QK2R b KQ -\r
+solution Nxc3\r
+id "ECM.515"\r
+go\r
+setboard 4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -\r
+solution Bxf6\r
+id "ECM.516"\r
+go\r
+setboard r5n1/pppb1B2/2k1pb2/3p2B1/5P2/2N5/PPP3P1/2KR4 w - -\r
+solution Nxd5\r
+id "ECM.517"\r
+go\r
+setboard 2b2q2/r2n2kp/1n1p1pp1/p1pP4/1pP1NPN1/1P1B4/P5PP/Q3R1K1 w - -\r
+solution Nexf6\r
+id "ECM.518"\r
+go\r
+setboard 1k1r2r1/p1p3q1/2p2p2/3pn3/1P1b2bB/1QN5/P4PPP/1R2RBK1 b - -\r
+solution Nf3+\r
+id "ECM.519"\r
+go\r
+setboard r3k2r/1bq1bp1p/p2p1np1/1p2p3/3NP3/P1N2QB1/1PP2PPP/3RR1K1 w kq -\r
+solution Ndxb5\r
+id "ECM.520"\r
+go\r
+setboard r2q4/5p1P/2p1bR2/ppk1p1P1/3pB2Q/8/PPP5/6K1 w - -\r
+solution g6\r
+id "ECM.521"\r
+go\r
+setboard r3kb1r/pp1b1pp1/4p3/2q3Qp/5B2/2PB4/P4PPP/R3R1K1 w kq -\r
+solution Rxe6+\r
+id "ECM.522"\r
+go\r
+setboard 1rbr2k1/p4pp1/5b1p/2p1p3/3qPP2/1PNB2PP/PKP2Q2/5R1R b - -\r
+solution c4\r
+id "ECM.523"\r
+go\r
+setboard r3r1k1/p6p/bp4p1/2bPN3/6n1/6P1/PB2RPB1/3R2K1 w - -\r
+solution d6\r
+id "ECM.524"\r
+go\r
+setboard 2bk3r/3r2pp/p2nQ3/q2R2P1/1p6/8/PPP2P1P/1K3B1R b - -\r
+solution Qxd5\r
+id "ECM.525"\r
+go\r
+setboard 3r1k2/1q1r1pp1/3p2bp/p2N4/8/2P1RQ1P/P4PP1/4R1K1 w - -\r
+solution Nf6\r
+id "ECM.526"\r
+go\r
+setboard 3q3r/p2r1pkp/bp1N1np1/n2p4/5Q2/B1P5/P4PPP/R3R1K1 w - -\r
+solution Nf5+\r
+id "ECM.527"\r
+go\r
+setboard r4Nk1/1p2pp1p/p1np2p1/3N4/P3PPn1/8/1bPKBqPP/R2Q1R2 b - -\r
+solution Qd4+\r
+id "ECM.528"\r
+go\r
+setboard 1kb3rr/1p2n2q/1Np2p2/1p6/1P1N1P1p/8/2P1RQPP/R6K w - -\r
+solution Nxb5\r
+id "ECM.529"\r
+go\r
+setboard r3r1k1/p3Rp1p/1qp1bQ2/8/1p1P4/3R4/PP3PPP/6K1 w - -\r
+solution Rg3+\r
+id "ECM.530"\r
+go\r
+setboard rn4k1/pp2rpb1/2pNb1pp/4p3/P3Pq2/2P2N1P/1PB1QPP1/R3R1K1 w - -\r
+solution Nf5\r
+id "ECM.531"\r
+go\r
+setboard 3r1rk1/pp3ppp/8/2p5/4PB1n/P1P2qPP/Q3RP1K/6R1 b - -\r
+solution Qg2+\r
+id "ECM.532"\r
+go\r
+setboard r4rn1/ppp1q3/2bp2kp/6P1/3QpP2/2N5/PPP1B3/2KR3R w - -\r
+solution f5+\r
+id "ECM.533"\r
+go\r
+setboard 3qr2r/1p1bppk1/3p2p1/p1nP1PQp/3N3R/1P4PP/P1P3BK/4R3 w - -\r
+solution Ne6+\r
+id "ECM.534"\r
+go\r
+setboard 2rq1rk1/1b1nbpp1/1p5p/p2pNB2/3p1N2/4P3/PPQ2PPP/2RR2K1 w - -\r
+solution Bh7+\r
+id "ECM.535"\r
+go\r
+setboard 8/5pkp/2pp2p1/4P3/1P2P3/2QBq2P/2PnNnPK/8 b - -\r
+solution Nf1+\r
+id "ECM.536"\r
+go\r
+setboard r3r2k/pb2q1p1/1p2Nn1p/2b5/2B5/2P2P2/PPQ3PP/4RR1K w - -\r
+solution Nf4\r
+id "ECM.537"\r
+go\r
+setboard r1b2nk1/ppq2ppp/8/1BP1p1NQ/5p2/8/PP3PPP/3R2K1 w - -\r
+solution Rd7\r
+id "ECM.538"\r
+go\r
+setboard 6k1/5qp1/pN5p/3pRp2/3QnP2/2r4P/r5P1/6RK b - -\r
+solution Qh5\r
+id "ECM.539"\r
+go\r
+setboard 5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ -\r
+solution Nf5+\r
+id "ECM.540"\r
+go\r
+setboard 6rk/p2b4/3p1Nqp/2pPpn2/P1P4p/5P1P/Q2B1NP1/6RK b - -\r
+solution Ng3+\r
+id "ECM.541"\r
+go\r
+setboard r4r1k/pppb2pp/8/3q4/2N5/P1P2nQ1/BP2R2P/R6K b - -\r
+solution Ne1+\r
+id "ECM.542"\r
+go\r
+setboard r5rk/1pp1n1pp/p1n1b1q1/3p1p2/7R/2QB1N2/PB3PPP/4R1K1 w - -\r
+solution Rxe6\r
+id "ECM.543"\r
+go\r
+setboard 8/4Ppk1/6p1/1p6/1Pb1Q3/6pq/8/6K1 w - -\r
+solution Qe5+\r
+id "ECM.544"\r
+go\r
+setboard 3R4/4Qpk1/4p1p1/7p/7K/5rP1/5P2/2q5 w - -\r
+solution Qf8+\r
+id "ECM.545"\r
+go\r
+setboard 8/5pk1/p6p/2R5/3q2p1/6P1/2Q3PK/4r3 w - -\r
+solution Rg5+\r
+id "ECM.546"\r
+go\r
+setboard 1Q4R1/8/P1b2p2/2p2k2/2P5/5p2/1r5P/4R1K1 b - -\r
+solution f2+\r
+id "ECM.547"\r
+go\r
+setboard 5r1k/1q2R3/8/6Q1/8/8/6P1/7K b - -\r
+solution Rf1+\r
+id "ECM.548"\r
+go\r
+setboard 8/4p3/8/3P3p/P2pK3/6P1/7b/3k4 w - -\r
+solution d6\r
+id "ECM.549"\r
+go\r
+setboard 3Q4/k3K3/q7/2N1P3/1P6/5r2/8/8 b - -\r
+solution Rf7+\r
+id "ECM.550"\r
+go\r
+setboard 3k4/p1p5/8/2p1p3/4P3/PpPP2K1/1P6/8 b - -\r
+solution c4\r
+id "ECM.551"\r
+go\r
+setboard 6r1/5p1k/4p3/3pQp2/1p1P1P1q/1P3RR1/7r/5K2 w - -\r
+solution Rxg8\r
+id "ECM.552"\r
+go\r
+setboard r1b2rk1/ppp2ppp/2n3q1/b2N2N1/2BP4/4p2P/PPP3P1/R2Q1RK1 w - -\r
+solution Nxf7\r
+id "ECM.553"\r
+go\r
+setboard 1r4k1/3qb2p/pr1pppn1/2p2N2/2P2PQ1/1P4P1/P2R2BP/R5K1 w - -\r
+solution Bd5\r
+id "ECM.554"\r
+go\r
+setboard r6r/pR1nqkpp/2p1p3/3p4/6Q1/2b4P/P1PP1PP1/2B1R1K1 w - -\r
+solution Rxe6\r
+id "ECM.555"\r
+go\r
+setboard 1k1r3r/ppq2pnp/1npbb1p1/3p4/3P1NP1/2NBP2P/PPQ2P1B/1KR4R w - -\r
+solution Nb5\r
+id "ECM.556"\r
+go\r
+setboard 5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - -\r
+solution Bxh4\r
+id "ECM.557"\r
+go\r
+setboard r5r1/4q2k/p2p3p/5p2/4p3/P2QR3/1PP2PPP/4R1K1 w - -\r
+solution Rxe4\r
+id "ECM.558"\r
+go\r
+setboard r1b2rk1/4bnpp/2p5/pp2q3/4N3/PQ2B1P1/1PP3BP/4RRK1 w - -\r
+solution Ng5\r
+id "ECM.559"\r
+go\r
+setboard 2rr2k1/1p3p2/p2n2p1/P2PnNq1/3QP1p1/1RN5/6PP/5RK1 b - -\r
+solution Nf3+\r
+id "ECM.560"\r
+go\r
+setboard r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q -\r
+solution Nxe4\r
+id "ECM.561"\r
+go\r
+setboard 2r2rk1/pp2bppp/3q1n2/3nNRB1/3P4/1B5Q/PP4PP/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.562"\r
+go\r
+setboard r1bq1rk1/1pp2ppn/1pnp3p/3N4/2B1PN2/3P4/PPP3PP/R2Q1RK1 w - -\r
+solution Ng6\r
+id "ECM.563"\r
+go\r
+setboard r1b2rk1/pp3p1p/2pq2pn/2nNN3/2B1QP2/8/P1PP2PP/R1B1K2R w KQ -\r
+solution Nxf7\r
+id "ECM.564"\r
+go\r
+setboard 1r2r1k1/1bn2pbp/pp1q1np1/2pPN1B1/P1B5/2N4P/1P1Q1PP1/R3R1K1 w - -\r
+solution Nxf7\r
+id "ECM.565"\r
+go\r
+setboard 1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - -\r
+solution Rxc5\r
+id "ECM.566"\r
+go\r
+setboard r1b3k1/2pq2pp/p4p2/1p1Nr3/2n2R2/1B6/PPQ2PPP/R5K1 w - -\r
+solution Rxc4\r
+id "ECM.567"\r
+go\r
+setboard 2rq1rk1/3bbppp/p3pn2/1p1pN3/2nP1B2/P1NBP2Q/1P3PPP/2R2RK1 w - -\r
+solution Nxd5\r
+id "ECM.568"\r
+go\r
+setboard 2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - -\r
+solution Nxc1\r
+id "ECM.569"\r
+go\r
+setboard 1r4nk/3b2bp/3p4/3P3p/2pNPq2/P1N2p1P/1P3Q2/1R4KR b - -\r
+solution Rxb2\r
+id "ECM.570"\r
+go\r
+setboard 2r5/p3kpp1/P2p4/1P2pP1p/1P2PqnP/6R1/r2N2P1/3RQ1K1 b - -\r
+solution Rxd2\r
+id "ECM.571"\r
+go\r
+setboard 2br2k1/1p2qppp/r1n1p3/pQ1nN3/P2P4/2B3P1/1P3PBP/2RR2K1 w - -\r
+solution Qxa6\r
+id "ECM.572"\r
+go\r
+setboard 5rk1/3q2bp/3pb2r/1p1n1p2/3p1P2/P2B1QN1/1P1B2PP/2R1R1K1 w - -\r
+solution Nxf5\r
+id "ECM.573"\r
+go\r
+setboard 4r1k1/1ppQr1p1/1p1p1pP1/3P3p/7P/1P3q2/P1P5/1KRR4 w - -\r
+solution Re1\r
+id "ECM.574"\r
+go\r
+setboard 2Rr2k1/7p/4pqp1/p4p2/1p1P1Q1P/8/PP3PP1/6K1 w - -\r
+solution Qe5\r
+id "ECM.575"\r
+go\r
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -\r
+solution Rc1\r
+id "ECM.576"\r
+go\r
+setboard 5rk1/bp4p1/p2rp2p/8/8/2PN4/PP1R1PPP/3R2K1 b - -\r
+solution e5\r
+id "ECM.577"\r
+go\r
+setboard 2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - -\r
+solution Bh3\r
+id "ECM.578"\r
+go\r
+setboard n1bq3k/pp4bp/6p1/5pP1/3p1P2/1B1P4/PB3Q1P/4R1K1 w - -\r
+solution Bxd4\r
+id "ECM.579"\r
+go\r
+setboard r3r1k1/p2n4/3p1pp1/qnp3B1/1p2P1P1/1P3P2/PP2N2Q/1K1R1B2 w - -\r
+solution Nf4\r
+id "ECM.580"\r
+go\r
+setboard 6k1/pb3ppp/1p2p3/4P3/5P2/P1r5/1q4PP/1B2Q1RK b - -\r
+solution Rc1\r
+id "ECM.581"\r
+go\r
+setboard 2rq1kbR/4R1p1/3p3r/pp1P1Pp1/6P1/3B4/PPP1Q3/6K1 w - -\r
+solution f6\r
+id "ECM.582"\r
+go\r
+setboard 2r5/5kb1/4ppp1/pp1qB3/2rP4/1RP2R1Q/P4PP1/6K1 b - -\r
+solution Rh8\r
+id "ECM.583"\r
+go\r
+setboard 4k3/4Bp2/1p2nP1P/2p5/2K1b1B1/8/P7/8 w - -\r
+solution Bf3\r
+id "ECM.584"\r
+go\r
+setboard 3rr1k1/ppp1qp1p/3b2p1/4np1P/1P1N1Pn1/P1P4R/1B1NB3/R2Q1K2 b - -\r
+solution Nf3\r
+id "ECM.585"\r
+go\r
+setboard 1k1r3r/ppqb4/5Ppp/3p4/P2np3/3BR1Q1/2PB1PPP/R5K1 w - -\r
+solution Rxe4\r
+id "ECM.586"\r
+go\r
+setboard r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - -\r
+solution Nxc6\r
+id "ECM.587"\r
+go\r
+setboard 8/2R2pbk/6pp/1p2pq2/1P2Qn2/3P3P/3B1PP1/r3N1K1 b - -\r
+solution Nxd3\r
+id "ECM.588"\r
+go\r
+setboard 2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - -\r
+solution h3\r
+id "ECM.589"\r
+go\r
+setboard r2b1rnk/1p4qp/p1p1b1p1/2PpNp2/PP1PnP1Q/3BB2R/4N1PP/R6K w - -\r
+solution Qxh7+\r
+id "ECM.590"\r
+go\r
+setboard r1b2rk1/1p3pbp/2p3p1/p1q5/1P6/1Q4P1/1P2PPBP/R1B1R1K1 b - -\r
+solution Be6\r
+id "ECM.591"\r
+go\r
+setboard 4r1k1/r1q2p1p/p5pB/1pbBpN1n/1n2P3/5Q2/PP3PPP/R1R3K1 w - -\r
+solution Rxc5\r
+id "ECM.592"\r
+go\r
+setboard r1r3k1/ppnbb1pp/2ppp1q1/1P3p2/P1PPn3/2N2NP1/2Q1PPBP/1RB2RK1 w - -\r
+solution Nxe4\r
+id "ECM.593"\r
+go\r
+setboard r1b1k2r/2q1bppp/p3p3/1p1nP1B1/3Q4/2N5/PPP1B1PP/2KR3R w kq -\r
+solution Bxe7\r
+id "ECM.594"\r
+go\r
+setboard 1rb1r1k1/p1p1qppp/2pb4/8/2P3n1/4P1P1/PB2BP1P/R1QN1RK1 b - -\r
+solution Nxh2\r
+id "ECM.595"\r
+go\r
+setboard 2rqk1nr/pp3ppp/2n1p3/2b5/3N4/2NQB1P1/PP2PPKP/R4R2 w k -\r
+solution Nxe6\r
+id "ECM.596"\r
+go\r
+setboard rnb2rk1/pp4pp/2pb1n2/3N1p1q/2P5/3N2P1/P1Q1PPBP/R1B2RK1 w - -\r
+solution Bf4\r
+id "ECM.597"\r
+go\r
+setboard 8/8/1p1k4/5ppp/PPK1p3/6P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.598"\r
+go\r
+setboard 8/5pp1/7p/5P1P/2p3P1/2k5/5P2/2K5 w - -\r
+solution f6\r
+id "ECM.599"\r
+go\r
+setboard 7k/8/1p1ppp1p/1Pp5/2P2P2/8/3P2PP/6K1 w - -\r
+solution f5\r
+id "ECM.600"\r
+go\r
+setboard 8/p5k1/2p2p2/4p1p1/1p2P3/1P4PP/1PP5/5K2 b - -\r
+solution g4\r
+id "ECM.601"\r
+go\r
+setboard 8/5K2/kp6/p1p5/P2p4/1P3P2/2P5/8 b - -\r
+solution b5\r
+id "ECM.602"\r
+go\r
+setboard 8/2k3p1/2p4p/5P2/2K3PP/8/8/8 w - -\r
+solution g5\r
+id "ECM.603"\r
+go\r
+setboard 8/1kp1b3/1p4K1/4P2p/P1P3p1/5pP1/P4P2/4B3 b - -\r
+solution h4\r
+id "ECM.604"\r
+go\r
+setboard 8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - -\r
+solution g5\r
+id "ECM.605"\r
+go\r
+setboard 8/8/3K1k2/5p1p/4p1p1/4P1P1/5PP1/8 b - -\r
+solution f4\r
+id "ECM.606"\r
+go\r
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -\r
+solution Bxg6\r
+id "ECM.607"\r
+go\r
+setboard 6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - -\r
+solution Rxc6\r
+id "ECM.608"\r
+go\r
+setboard 1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - -\r
+solution f6\r
+id "ECM.609"\r
+go\r
+setboard 2kr3r/ppp1qpp1/2p5/2b2b2/2P1pPP1/1P2P1p1/PBQPB3/RN2K1R1 b Q -\r
+solution Rh1\r
+id "ECM.610"\r
+go\r
+setboard 1r3qk1/pb3p1p/1pn2PpQ/2pN4/3r4/5B2/PPP4P/4RRK1 w - -\r
+solution Ne7+\r
+id "ECM.611"\r
+go\r
+setboard 4r1k1/5p1p/3q2p1/1p1P4/1P6/2p4P/2Q1nPB1/4RK2 b - -\r
+solution Ng3+\r
+id "ECM.612"\r
+go\r
+setboard 6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - -\r
+solution e5\r
+id "ECM.613"\r
+go\r
+setboard 5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -\r
+solution Qxf7+\r
+id "ECM.614"\r
+go\r
+setboard 6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - -\r
+solution b5\r
+id "ECM.615"\r
+go\r
+setboard r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - -\r
+solution Rxa6\r
+id "ECM.616"\r
+go\r
+setboard 3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - -\r
+solution Rxa6\r
+id "ECM.617"\r
+go\r
+setboard 8/p3q1k1/6p1/1p3nP1/2pp1QBr/P2P4/1PP2K2/R7 b - -\r
+solution Qe3+\r
+id "ECM.618"\r
+go\r
+setboard 7k/4b2p/5p1P/5PP1/1pNp1P2/1P1B4/2P2K2/r7 w - -\r
+solution g6\r
+id "ECM.619"\r
+go\r
+setboard 5r1k/1p1b2rP/p2p4/3P3B/P2P4/5pP1/1P2pP2/R3R1K1 b - -\r
+solution Rxg3+\r
+id "ECM.620"\r
+go\r
+setboard 6B1/2p2pp1/2p5/p3K3/1k6/nP4P1/5P1P/8 b - -\r
+solution Nc4+\r
+id "ECM.621"\r
+go\r
+setboard 3q1k2/5p2/p5pN/1b2Q2P/8/8/5PPK/8 w - -\r
+solution Qh8+\r
+id "ECM.622"\r
+go\r
+setboard 6k1/p3b1pp/4p3/4Pp2/Pp1r1P1P/1P4P1/2p2R2/5RK1 b - -\r
+solution Rc4\r
+id "ECM.623"\r
+go\r
+setboard 4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - -\r
+solution Qe6\r
+id "ECM.624"\r
+go\r
+setboard 2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - -\r
+solution Nxe6\r
+id "ECM.625"\r
+go\r
+setboard 3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - -\r
+solution Ba6\r
+id "ECM.626"\r
+go\r
+setboard 3rr1k1/pppRn1pp/4Pp2/1P5q/1QB5/4P3/P4P1P/4K1R1 w - -\r
+solution Qxe7\r
+id "ECM.627"\r
+go\r
+setboard rn1q2k1/pp3pb1/3p2pp/2pP2N1/3r1P2/7Q/PP4PP/R1B2RK1 w - -\r
+solution Nxf7\r
+id "ECM.628"\r
+go\r
+setboard 8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - -\r
+solution b2+\r
+id "ECM.629"\r
+go\r
+setboard 5bk1/r4ppp/1r1P1n2/2p2N2/b7/2B3P1/5PBP/R3R1K1 w - -\r
+solution Bxf6\r
+id "ECM.630"\r
+go\r
+setboard 8/8/8/P2k1p2/2N5/1pb2P2/4P3/2K5 w - -\r
+solution a6\r
+id "ECM.631"\r
+go\r
+setboard 3qr1k1/p4ppp/1p1P4/2r1nN2/4P2n/P7/1B4P1/3QRRK1 w - -\r
+solution d7\r
+id "ECM.632"\r
+go\r
+setboard 6k1/5pbp/6p1/2p1r3/1pPr4/3n2NP/1PB2PP1/1R1R2K1 b - -\r
+solution Nxb2\r
+id "ECM.633"\r
+go\r
+setboard 4r3/p4pk1/6p1/P1pB2Pp/2P3b1/2p1N1P1/Qb1r1P2/6K1 b - -\r
+solution Rxe3\r
+id "ECM.634"\r
+go\r
+setboard 2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - -\r
+solution Nxa7\r
+id "ECM.635"\r
+go\r
+setboard r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - -\r
+solution Rxf6\r
+id "ECM.636"\r
+go\r
+setboard r3qr1k/1b4pp/p2RQ3/Bp2p3/4p3/6P1/PPP2P1P/3R2K1 b - -\r
+solution Qh5\r
+id "ECM.637"\r
+go\r
+setboard 8/6kP/6p1/1p1pP3/pP6/P1n2K2/2N5/8 w - -\r
+solution e6\r
+id "ECM.638"\r
+go\r
+setboard 8/Pb6/8/8/7K/5k1p/6pB/8 b - -\r
+solution g1=Q\r
+id "ECM.639"\r
+go\r
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -\r
+solution Rxb2\r
+id "ECM.640"\r
+go\r
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -\r
+solution cxb6\r
+id "ECM.641"\r
+go\r
+setboard 6k1/p4pbp/Bp2p1p1/n2P4/q3P3/B1rQP3/P5PP/5RK1 w - -\r
+solution dxe6\r
+id "ECM.642"\r
+go\r
+setboard 5r2/R4p2/5P1k/4PK2/1p6/8/8/8 w - -\r
+solution Rxf7\r
+id "ECM.643"\r
+go\r
+setboard 4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - -\r
+solution f5\r
+id "ECM.644"\r
+go\r
+setboard 1r6/3r1Pk1/p2p1np1/5q2/1p3P2/1B5R/PPP4Q/1K1R4 w - -\r
+solution Rh8\r
+id "ECM.645"\r
+go\r
+setboard 8/2k5/2p5/2pb2K1/pp4P1/1P1R4/P7/8 b - -\r
+solution Bxb3\r
+id "ECM.646"\r
+go\r
+setboard 2r5/1r5k/1P3p2/PR2pP1p/4P2p/2p1BP2/1p2n3/4R2K b - -\r
+solution Nd4\r
+id "ECM.647"\r
+go\r
+setboard 4r2k/p2qr1pp/1pp2p2/2p1nP1N/4R3/1P1P2RP/1PP2QP1/7K w - -\r
+solution Rxg7\r
+id "ECM.648"\r
+go\r
+setboard 6k1/p4p2/5Ppp/3RP3/Pr4P1/2p2K2/7P/8 w - -\r
+solution Rd8+\r
+id "ECM.649"\r
+go\r
+setboard 8/1R2P3/6k1/3B4/2P2P2/1p2r3/1Kb4p/8 w - -\r
+solution Be6\r
+id "ECM.650"\r
+go\r
+setboard 2kr2r1/pp2bQ1p/2b1P3/2qN4/8/1B2p2P/PPP3P1/3R1R1K b - -\r
+solution e2\r
+id "ECM.651"\r
+go\r
+setboard r1b2rk1/1p2qppp/p3p3/2n5/3N4/3B1R2/PPP1Q1PP/R5K1 w - -\r
+solution Bxh7+\r
+id "ECM.652"\r
+go\r
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -\r
+solution Bb5\r
+id "ECM.653"\r
+go\r
+setboard r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.654"\r
+go\r
+setboard 6rk/3nrpbp/p1bq1npB/1p2p1N1/4P1PQ/P2B3R/1PP1N2P/5R1K w - -\r
+solution Nxh7\r
+id "ECM.655"\r
+go\r
+setboard 1rb2rk1/3nqppp/p1n1p3/1p1pP3/5P2/2NBQN2/PPP3PP/2KR3R w - -\r
+solution Bxh7+\r
+id "ECM.656"\r
+go\r
+setboard 2k5/ppp3pp/8/NQ2n2q/2Pp1n2/R4bP1/1P3P1P/4R1K1 b - -\r
+solution Qxh2+\r
+id "ECM.657"\r
+go\r
+setboard 5rrk/1p3qpp/p3pn2/2PpBp2/3P1P1Q/P1P1R2R/2b1B1PP/6K1 w - -\r
+solution Qxh7+\r
+id "ECM.658"\r
+go\r
+setboard r4rk1/1bq2ppp/p1p1p3/2b1P1B1/3p2Q1/3B4/PPP2PPP/R3R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.659"\r
+go\r
+setboard r4rk1/pb1q1ppp/2N1p3/2Rn4/3P4/3BPQ2/1P3PPP/2R3K1 w - -\r
+solution Bxh7+\r
+id "ECM.660"\r
+go\r
+setboard r5rk/1p1q1p1p/5pn1/p2p1N1Q/3P2P1/PP2R3/5P1P/5RK1 w - -\r
+solution Qxh7+\r
+id "ECM.661"\r
+go\r
+setboard 2r2r2/p2qppkp/3p2p1/3P1P2/2n2R2/7R/P5PP/1B1Q2K1 w - -\r
+solution Rxh7+\r
+id "ECM.662"\r
+go\r
+setboard 1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - -\r
+solution Rxh7\r
+id "ECM.663"\r
+go\r
+setboard 4rrk1/2q1bppp/p2p4/1p1Pn3/3B1R2/P2B2Q1/1PP3PP/5R1K w - -\r
+solution Bxh7+\r
+id "ECM.664"\r
+go\r
+setboard r1b2rk1/2q1bppp/p1n1p3/1p1np1P1/5P2/1NNBBQ2/PPP4P/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.665"\r
+go\r
+setboard 5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - -\r
+solution Nxh7\r
+id "ECM.666"\r
+go\r
+setboard r4rk1/pp2q1p1/4b2p/2ppb3/6n1/2P3N1/PPQBBPPP/R4RK1 b - -\r
+solution Nxh2\r
+id "ECM.667"\r
+go\r
+setboard b3r1k1/2rN1ppp/2n1p3/p7/P3BP2/1R6/q1P2QPP/3R2K1 w - -\r
+solution Bxh7+\r
+id "ECM.668"\r
+go\r
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -\r
+solution Qxh7+\r
+id "ECM.669"\r
+go\r
+setboard r1b1rnk1/pp1nb1pp/2p1pp2/q3N3/2PP1P2/3BP1N1/PBQ3PP/R4RK1 w - -\r
+solution Bxh7+\r
+id "ECM.670"\r
+go\r
+setboard 4r1k1/2q2r1p/p3bQ2/1p4Bp/2np4/8/PPB2PP1/3RR1K1 w - -\r
+solution Bxh7+\r
+id "ECM.671"\r
+go\r
+setboard 5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - -\r
+solution Bxh7+\r
+id "ECM.672"\r
+go\r
+setboard 2rqr1k1/1p1bbppp/p3p3/n7/3P2Q1/2PB1N2/P4PPP/R1B1R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.673"\r
+go\r
+setboard r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - -\r
+solution Nxh7\r
+id "ECM.674"\r
+go\r
+setboard rn1q1rk1/pb1p1ppp/4p3/2pnP3/1bp5/2N2N2/PP3PPP/RBBQK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.675"\r
+go\r
+setboard r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - -\r
+solution Rxh7\r
+id "ECM.676"\r
+go\r
+setboard r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.677"\r
+go\r
+setboard rnq3rk/4bp1p/p1p3pQ/1p1pP3/1P1N1B2/2P3R1/1P3PPP/R5K1 w - -\r
+solution e6\r
+id "ECM.678"\r
+go\r
+setboard rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - -\r
+solution Nxh7\r
+id "ECM.679"\r
+go\r
+setboard 3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.680"\r
+go\r
+setboard 1r2nrkb/2n2p1p/p2p1Pp1/P1pPp1P1/1pP1P1q1/1P1BB1N1/3Q4/2KR3R w - -\r
+solution Rxh7\r
+id "ECM.681"\r
+go\r
+setboard 2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - -\r
+solution Bxh7+\r
+id "ECM.682"\r
+go\r
+setboard r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 b - -\r
+solution Rxh2\r
+id "ECM.683"\r
+go\r
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -\r
+solution Nxh7\r
+id "ECM.684"\r
+go\r
+setboard 2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - -\r
+solution Rxh7\r
+id "ECM.685"\r
+go\r
+setboard r2qn1k1/pb4Pp/1pn5/2p5/2P2p2/P1PB4/5PPP/R2Q1RK1 w - -\r
+solution Bxh7+\r
+id "ECM.686"\r
+go\r
+setboard r4rk1/pp1n1ppp/3qp3/3nN1P1/b2P4/P2B1Q2/3B1P1P/1R2R1K1 w - -\r
+solution Bxh7+\r
+id "ECM.687"\r
+go\r
+setboard r2r2k1/ppqbbppp/4pn2/6N1/n1P4P/3B1N2/PP2QPP1/1KBR3R w - -\r
+solution Nxh7\r
+id "ECM.688"\r
+go\r
+setboard r5k1/6bp/2q1p1p1/p2pP3/3P4/1rP2QP1/3B1PK1/2R4R w - -\r
+solution Rxh7\r
+id "ECM.689"\r
+go\r
+setboard r6r/4ppk1/p2p1bp1/B2p4/3P2p1/QP2P3/P1R1qPPP/2R3K1 b - -\r
+solution Rxh2\r
+id "ECM.690"\r
+go\r
+setboard 4nrk1/r4p1p/p2p2pQ/2pPpNPP/qpn1P3/5P1R/PPP1N3/2K3R1 w - -\r
+solution Qxh7+\r
+id "ECM.691"\r
+go\r
+setboard r3k2r/1b1n1p2/pq1p1bp1/1p4p1/P3P3/1NN5/1PP3PP/R2QRB1K b kq -\r
+solution Rxh2+\r
+id "ECM.692"\r
+go\r
+setboard r2qrnk1/4bppp/b1p5/1p1p2P1/p2P1N1P/2NBP3/PPQ2P2/2K3RR w - -\r
+solution Bxh7+\r
+id "ECM.693"\r
+go\r
+setboard rn1q1rk1/pppbb1pp/4p3/3pP1p1/3P3P/2NB4/PPP2PP1/R2QK2R w KQ -\r
+solution Bxh7+\r
+id "ECM.694"\r
+go\r
+setboard 1r2nr1k/6pp/pp1p1p2/2pPnN2/q1P1PB2/5PR1/4K1P1/2Q4R w - -\r
+solution Bxe5\r
+id "ECM.695"\r
+go\r
+setboard 3r1rk1/4qp1p/p1bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -\r
+solution Bxh2+\r
+id "ECM.696"\r
+go\r
+setboard r2q1rk1/3n1ppp/8/1pbP2P1/p1N4P/PnBBPQ2/5P2/R3K2R w KQ -\r
+solution Bxh7+\r
+id "ECM.697"\r
+go\r
+setboard 2k3r1/ppq2p1p/n1Pb1p2/8/6r1/4BN1b/PPQ2PPP/R3RBK1 b - -\r
+solution Bxh2+\r
+id "ECM.698"\r
+go\r
+setboard 3qr1k1/1br2ppp/p2b4/8/PpNp4/3P4/1PP2PPP/R1BQ1RK1 b - -\r
+solution Bxh2+\r
+id "ECM.699"\r
+go\r
+setboard 3r2k1/p1R2p2/4pQp1/1q5p/5P1P/1PR5/2Pr2P1/6K1 b - -\r
+solution Rxg2+\r
+id "ECM.700"\r
+go\r
+setboard r1b4r/3p1kp1/pp3q1p/4RP2/8/B7/P5PP/4QRK1 w - -\r
+solution Qe4\r
+id "ECM.701"\r
+go\r
+setboard 1r2rnk1/2R2bpp/p2q4/1p1N2R1/5P2/1Q1B3P/PP4P1/7K w - -\r
+solution Rxg7+\r
+id "ECM.702"\r
+go\r
+setboard 3r2k1/pb5p/1p2qpp1/8/2p5/1P1nP3/P1N2PPP/1Q1R1R1K b - -\r
+solution Bxg2+\r
+id "ECM.703"\r
+go\r
+setboard 4rrk1/2qb2pp/p5P1/1p2p3/1b2P3/2N5/PPPQ4/1K1R2R1 w - -\r
+solution gxh7+\r
+id "ECM.704"\r
+go\r
+setboard 3q1k2/pp3ppn/2p1n2p/4pN1N/P3P2P/5Q2/1PP2PP1/6K1 w - -\r
+solution Nhxg7\r
+id "ECM.705"\r
+go\r
+setboard 2r2r1k/3b1pb1/p3pp1p/q2p1P1B/8/2N2RR1/P1PQ2PP/7K w - -\r
+solution Rxg7\r
+id "ECM.706"\r
+go\r
+setboard 5bk1/1p4p1/4N1R1/3p4/p1r2P1q/Pr1QP2P/1P6/1K4R1 w - -\r
+solution Rxg7+\r
+id "ECM.707"\r
+go\r
+setboard 2r1r1k1/5ppp/p3pn2/1pb1N3/2P5/1PQ3R1/PB2qPPP/3R2K1 w - -\r
+solution Rxg7+\r
+id "ECM.708"\r
+go\r
+setboard 7k/1bp1P1p1/3p2rp/1pb2p1q/5P2/1BP2N1P/1P4P1/R1B2R1K b - -\r
+solution Rxg2\r
+id "ECM.709"\r
+go\r
+setboard r1q1bk1r/1p3pp1/4pn1p/p3Q3/P1P2N2/1B4R1/1P3PPP/4R1K1 w - -\r
+solution Rxg7\r
+id "ECM.710"\r
+go\r
+setboard r4rk1/p2n2p1/1q1Qpn1p/1P6/P6B/2p5/2B1KP1P/R5R1 w - -\r
+solution Rxg7+\r
+id "ECM.711"\r
+go\r
+setboard r2qr1k1/1p3ppp/2pb4/2Np4/1P1P2bn/3BP3/2QN1PPP/1RR3K1 b - -\r
+solution Nxg2\r
+id "ECM.712"\r
+go\r
+setboard r3r1k1/pp3pp1/3p4/2q4p/2P5/1PB2Q1P/n4PP1/3R1RK1 w - -\r
+solution Bxg7\r
+id "ECM.713"\r
+go\r
+setboard r5k1/pn1q1rpp/2pp4/5R1N/bP6/4BQ2/P4PPP/2R3K1 w - -\r
+solution Nxg7\r
+id "ECM.714"\r
+go\r
+setboard 3r1rk1/5pp1/pq1n1n1p/2pPR3/2B2P2/1PBQ2RP/P5P1/6K1 w - -\r
+solution Rxg7+\r
+id "ECM.715"\r
+go\r
+setboard rn3rk1/ppq2ppp/2pb1nb1/5N2/2BP4/8/PPP1N1P1/R1B1QR1K w - -\r
+solution Nxg7\r
+id "ECM.716"\r
+go\r
+setboard r1qb1r1k/2p3pp/p1n1bp2/1p1Np2Q/P3P3/1BP3R1/1P3PPP/R1B3K1 w - -\r
+solution Rxg7\r
+id "ECM.717"\r
+go\r
+setboard r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - -\r
+solution Rxg7+\r
+id "ECM.718"\r
+go\r
+setboard 4q1k1/1b3r1p/p4pp1/1p6/2P2n2/1P3N2/1B3PPP/R2Q3K b - -\r
+solution Nxg2\r
+id "ECM.719"\r
+go\r
+setboard r2r3k/5bp1/2p2N2/5P1p/3q3Q/3B2R1/n5PP/3R3K w - -\r
+solution Rxg7\r
+id "ECM.720"\r
+go\r
+setboard 4rrk1/2pn2pb/p1p1qp2/1pb1pN2/P3P1PN/1P1P4/1BP2PK1/R2Q3R w - -\r
+solution Nxg7\r
+id "ECM.721"\r
+go\r
+setboard r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - -\r
+solution Rg3\r
+id "ECM.722"\r
+go\r
+setboard r4rk1/1p1q1ppp/p1b4B/8/2R3R1/P2P4/1b1N1QPP/6K1 w - -\r
+solution Bxg7\r
+id "ECM.723"\r
+go\r
+setboard rq3rk1/3b1ppp/p2bp3/3pB2Q/8/1B5P/PP3PP1/2RR2K1 w - -\r
+solution Bxg7\r
+id "ECM.724"\r
+go\r
+setboard 4kbr1/pp1bpp1p/3p1p2/3N4/1PBQP3/q7/P1r2PPP/R4RK1 b - -\r
+solution Rxg2+\r
+id "ECM.725"\r
+go\r
+setboard 2r3k1/1p2R1p1/p3n2p/2pq4/7P/1P1P2P1/PB1Q3K/8 w - -\r
+solution Bxg7\r
+id "ECM.726"\r
+go\r
+setboard 2rr2k1/4bppp/p1n1p3/3q4/1p1P2N1/2P3R1/P3QPPP/2B2RK1 w - -\r
+solution Nh6+\r
+id "ECM.727"\r
+go\r
+setboard rq1r1bk1/1b3pp1/3pn2p/1n2BN1P/1P2P3/3R1NP1/3Q1PB1/2R3K1 w - -\r
+solution Bxg7\r
+id "ECM.728"\r
+go\r
+setboard r1b5/ppqn2bk/3R2pp/2p2p2/2P1rN2/4BN2/PPQ2PPP/4R1K1 w - -\r
+solution Rxg6\r
+id "ECM.729"\r
+go\r
+setboard 3q1r2/1p1b1pk1/pn5p/3pN1pQ/3P3P/2r3B1/P4PP1/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.730"\r
+go\r
+setboard r1bqkbnr/pp2ppp1/2p4p/3n2N1/2BP4/5N2/PPP2PPP/R1BQK2R w KQkq -\r
+solution Nxf7\r
+id "ECM.731"\r
+go\r
+setboard r2qr1k1/1ppb1p1p/p1np2p1/7Q/3PP2b/1B2N2P/PP3PP1/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.732"\r
+go\r
+setboard 2r3k1/pbq1np1p/1p1b1Bp1/8/6QP/2P2N2/B4PP1/4R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.733"\r
+go\r
+setboard r3r1k1/1bqn1ppp/1pp2p2/8/3P4/1B4N1/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.734"\r
+go\r
+setboard r3r1k1/pp3ppp/8/1Nbp3q/3NnBn1/2P5/PPQ2PPP/3R1RK1 b - -\r
+solution Ngxf2\r
+id "ECM.735"\r
+go\r
+setboard r2r2k1/1b2qpp1/1p2n3/p1b1p2p/4P1n1/PP1B2PP/1B1NQP2/R3NRK1 b - -\r
+solution Nxf2\r
+id "ECM.736"\r
+go\r
+setboard r2qr1k1/1b2bp1p/p3p1p1/1p2N1Bn/3P4/P6Q/1P3PPP/RB2R1K1 w - -\r
+solution Nxf7\r
+id "ECM.737"\r
+go\r
+setboard r5k1/1pp3pp/1b1p1r2/pN1P1n2/P1P3nq/6N1/1P1B1PQP/4RRK1 b - -\r
+solution Nxf2\r
+id "ECM.738"\r
+go\r
+setboard 2rqnk1r/pp2bpp1/2p1pn1p/2P1N2P/3P1BP1/3BQ3/PP6/2K2R1R w - -\r
+solution Nxf7\r
+id "ECM.739"\r
+go\r
+setboard 2rq1rk1/1b2bppp/p1n5/1p1BN3/5B2/P7/1P3PPP/R2Q1RK1 w - -\r
+solution Nd7\r
+id "ECM.740"\r
+go\r
+setboard 3r1qrk/p1p5/bbp3pp/4p3/4Pp1N/2Pn3P/PPQN1PPB/R4RK1 b - -\r
+solution Nxf2\r
+id "ECM.741"\r
+go\r
+setboard r2qr1k1/pb2bp1p/1pn1p1pB/8/2BP4/P1P2N2/4QPPP/3R1RK1 w - -\r
+solution d5\r
+id "ECM.742"\r
+go\r
+setboard r3r1k1/1bq1nppp/p1np4/1ppBpN2/4P3/2PP1N2/PP3PPP/R2QR1K1 w - -\r
+solution Bxf7+\r
+id "ECM.743"\r
+go\r
+setboard r5k1/p4ppp/3qpb2/1P2N3/1nBP4/1P5P/4QPP1/4R1K1 w - -\r
+solution Nxf7\r
+id "ECM.744"\r
+go\r
+setboard r2qr1k1/1b1nbp1p/p3pp2/1p2N3/3P4/3B1N2/PP2QPPP/R2R2K1 w - -\r
+solution Nxf7\r
+id "ECM.745"\r
+go\r
+setboard r3k2r/p1qb1p2/1p2p2p/3pPpN1/P1nP3Q/8/2P2PPP/R1B1R1K1 w kq -\r
+solution Nxf7\r
+id "ECM.746"\r
+go\r
+setboard 3qNk2/5p1p/1r3p2/2p5/Q1pb4/3b2P1/P4PBP/4R1K1 b - -\r
+solution Bxf2+\r
+id "ECM.747"\r
+go\r
+setboard 2r1r1k1/1pq1bp1p/p3pnp1/P2n2N1/7R/2P4P/1PB1QPP1/2B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.748"\r
+go\r
+setboard r1bq2k1/pp1n1ppp/3b1n2/PQ1B3r/3N1P2/2N5/1PP3PP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.749"\r
+go\r
+setboard 2r1r1k1/5ppp/pq3b2/2pB1P2/2p2B2/5Q1P/Pn3PP1/2R1R1K1 w - -\r
+solution Bxf7+\r
+id "ECM.750"\r
+go\r
+setboard r4rk1/ppRn1p2/6pb/2P1pq1p/3N4/P1QPn1Pb/1B1NPP1P/4R1KB b - -\r
+solution Qxf2+\r
+id "ECM.751"\r
+go\r
+setboard r3kr2/1b2qp2/pp2p2N/4p2Q/8/2n5/P3B1PP/3R1R1K w q -\r
+solution Nxf7\r
+id "ECM.752"\r
+go\r
+setboard b2r1rk1/pq2bpp1/1p2p2p/4N2n/2P2R2/1PB2N2/1P2QPPP/4R1K1 w - -\r
+solution Rxf7\r
+id "ECM.753"\r
+go\r
+setboard rqb1k2r/1p1nbp1p/p4pp1/8/1PBN1P2/P1N1P3/7P/2RQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.754"\r
+go\r
+setboard r2r2k1/4ppbp/5np1/p1q5/QnB1P3/5N2/1P3PPP/R1B2RK1 w - -\r
+solution Bxf7+\r
+id "ECM.755"\r
+go\r
+setboard 1r2q1k1/p3pp2/3p1bp1/2pP2N1/8/P5PB/2Q2PK1/1rBR4 w - -\r
+solution Nxf7\r
+id "ECM.756"\r
+go\r
+setboard 2rqrbk1/pb1n1p1p/1p2pnp1/4N3/2BP1N2/1P2Q3/PB3PPP/3R1RK1 w - -\r
+solution Nxf7\r
+id "ECM.757"\r
+go\r
+setboard 1r4k1/p4pp1/bqnrpn1p/2ppN3/2P2P1B/P3P3/1P2B1PP/1Q1R1RK1 w - -\r
+solution Bxf6\r
+id "ECM.758"\r
+go\r
+setboard r1bqrbk1/5p1p/2pp2nB/pp5Q/4P3/PBNPR2P/1P4P1/R5K1 w - -\r
+solution Bxf7+\r
+id "ECM.759"\r
+go\r
+setboard r1bqkb1r/1p3ppp/pn1P1n2/4p3/2B5/2N2N2/PP3PPP/R1BQ1RK1 w kq -\r
+solution Bxf7+\r
+id "ECM.760"\r
+go\r
+setboard 2rqr1k1/pp2nppp/3p2b1/6B1/2BNn1Q1/P7/1PP2PPP/2KRR3 w - -\r
+solution Bxf7+\r
+id "ECM.761"\r
+go\r
+setboard r3r1k1/pbq1ppbp/1pp2np1/4N3/3P4/2P5/PPB1QPPP/R1B1R1K1 w - -\r
+solution Nxf7\r
+id "ECM.762"\r
+go\r
+setboard r1b2rk1/p6p/2p3Pb/3pp1q1/8/2PB4/PP3PP1/RN1Q1K1R b - -\r
+solution Rxf2+\r
+id "ECM.763"\r
+go\r
+setboard r2rn3/1p3pk1/p1pNn1pp/q3P3/P7/1PN4P/2QR1PP1/3R2K1 w - -\r
+solution Nxf7\r
+id "ECM.764"\r
+go\r
+setboard r1bqr1k1/1p1nnpb1/p5pp/2P1p1B1/B3N3/5N2/P4PPP/2RQR1K1 w - -\r
+solution Nd6\r
+id "ECM.765"\r
+go\r
+setboard r1b1r1k1/pp2qpbp/2p3p1/2P5/3NnB2/7P/PPQ1PPB1/2RR2K1 b - -\r
+solution Nxf2\r
+id "ECM.766"\r
+go\r
+setboard rn2r1k1/pp3p1p/3P2p1/2p1bbB1/2B5/2N5/Pq4PP/R2Q1RK1 w - -\r
+solution Bxf7+\r
+id "ECM.767"\r
+go\r
+setboard 5rk1/r2qnppp/p1nN4/2Q5/3PB3/4P3/6PP/R4RK1 w - -\r
+solution Nxf7\r
+id "ECM.768"\r
+go\r
+setboard 1bq2k2/1b1n1pp1/pp5p/2pBpN2/P3P2B/3Q1P2/1PP3PP/4K3 w - -\r
+solution Bxf7\r
+id "ECM.769"\r
+go\r
+setboard rnb2rk1/pp3pbp/2p3pB/2q5/4P3/1BN5/PPP3PP/R2Q1R1K w - -\r
+solution Rxf7\r
+id "ECM.770"\r
+go\r
+setboard 3qr1k1/1br1bp1p/p3p1pB/1p1nN3/3PB3/7Q/PP3PPP/3RR1K1 w - -\r
+solution Nxf7\r
+id "ECM.771"\r
+go\r
+setboard 1qr1b1k1/4bpp1/pn2p2p/1p1nN3/3P4/P2BBN1Q/1P3PPP/4R1K1 w - -\r
+solution Bxh6\r
+id "ECM.772"\r
+go\r
+setboard rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - -\r
+solution Bxh6\r
+id "ECM.773"\r
+go\r
+setboard r2r2k1/pb1nbpp1/1qp1pn1p/1p2N3/3P1B2/P1N1P3/BPQ2PPP/2R2RK1 w - -\r
+solution Bxh6\r
+id "ECM.774"\r
+go\r
+setboard 2r5/1p4bk/3p2rp/4pN2/1P2P1pR/2P2q2/QP6/1K5R w - -\r
+solution Rxh6+\r
+id "ECM.775"\r
+go\r
+setboard r1b1r3/pp2Npbk/3pp2p/q5p1/2QNPP2/6P1/PPP3P1/2KR3R w - -\r
+solution Ndf5\r
+id "ECM.776"\r
+go\r
+setboard r1q3r1/1ppQ2pk/3bNp1p/p3pP2/P3P3/7R/1PP3PP/3R2K1 w - -\r
+solution Rxh6+\r
+id "ECM.777"\r
+go\r
+setboard 4r1k1/p1pq1pp1/2p5/3p1b2/Q7/2P1B2P/P1P1rPP1/2R2RK1 b - -\r
+solution Bxh3\r
+id "ECM.778"\r
+go\r
+setboard 1rbqnr2/5p1k/p1np3p/1p1Np3/4P2P/1Q2B3/PPP1BP2/2KR3R w - -\r
+solution Bxh6\r
+id "ECM.779"\r
+go\r
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.780"\r
+go\r
+setboard 3r1r1k/p5p1/n1p2p1p/1qp2b2/N1R4R/1PB1P1P1/P2P3P/3Q2K1 w - -\r
+solution Rxh6+\r
+id "ECM.781"\r
+go\r
+setboard r4rk1/2q1b1p1/p4p1p/n3pP2/1p2Q1N1/4B3/PPP3PP/4RR1K w - -\r
+solution Nxh6+\r
+id "ECM.782"\r
+go\r
+setboard 6rk/3b1n1p/1p1q3b/1PpNp3/2P1Pp2/2Q2NrP/5RP1/2R2B1K b - -\r
+solution Bxh3\r
+id "ECM.783"\r
+go\r
+setboard r2q1rk1/ppp2pp1/1b2b2p/3n3Q/2Bp4/3P1N2/PPP2PPP/R1B1R1K1 w - -\r
+solution Bxh6\r
+id "ECM.784"\r
+go\r
+setboard r3rbk1/1bp1qpp1/p6p/np2p2Q/4P2N/1BP4P/PP3PP1/R1B1R1K1 w - -\r
+solution Bg5\r
+id "ECM.785"\r
+go\r
+setboard 4q3/p2r1ppk/R6p/3n4/3B1Q2/4P2P/5PP1/6K1 w - -\r
+solution Rxh6+\r
+id "ECM.786"\r
+go\r
+setboard 7r/1p2qk2/pQ1p2p1/3Ppp2/P4b2/2P2PrP/1P2R1B1/4R2K b - -\r
+solution Rhxh3+\r
+id "ECM.787"\r
+go\r
+setboard 5rk1/Qp5p/3pp1p1/4n3/2P1P2q/5r1P/P3NPP1/3R1RK1 b - -\r
+solution Rxh3\r
+id "ECM.788"\r
+go\r
+setboard 2r1r1k1/pb1n1pp1/1p1qpn1p/4N1B1/2PP4/3B4/P2Q1PPP/3RR1K1 w - -\r
+solution Bxh6\r
+id "ECM.789"\r
+go\r
+setboard 3q1rk1/p2bbpp1/1rn4p/1pp2P2/3pBBP1/3P3P/PPPQ3N/R4RK1 w - -\r
+solution Bxh6\r
+id "ECM.790"\r
+go\r
+setboard 2br2k1/4qppp/p5r1/2pBp3/2P1Pn2/4Q2P/RP3PPK/1N4R1 b - -\r
+solution Bxh3\r
+id "ECM.791"\r
+go\r
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -\r
+solution Bxh6\r
+id "ECM.792"\r
+go\r
+setboard r5r1/pbn4k/1p1p1Ppp/2pPn3/4BQq1/1PN3P1/PB3PK1/3R1R2 w - -\r
+solution Qxh6+\r
+id "ECM.793"\r
+go\r
+setboard r1b2rk1/pp2bpp1/4p2p/2q4Q/5nNB/2PB4/PP3PPP/2KR3R w - -\r
+solution Nxh6+\r
+id "ECM.794"\r
+go\r
+setboard 6k1/p4ppp/1pn1b1rr/8/PBpPp2q/2P1P1NP/5PP1/RR3QK1 b - -\r
+solution Bxh3\r
+id "ECM.795"\r
+go\r
+setboard r1b2rk1/1p3pp1/p5Pp/2bpPp1Q/3N4/1Pq1B1R1/2P4P/3R2K1 w - -\r
+solution Bxh6\r
+id "ECM.796"\r
+go\r
+setboard r2r2k1/pp1n1bp1/2p2p1p/b4N2/q2BR3/2QB2PP/1PP5/2KR4 w - -\r
+solution Nxh6+\r
+id "ECM.797"\r
+go\r
+setboard 3r2bk/1q4p1/p2P1N1p/2p1rP2/pb5R/7P/1P4P1/2Q2RK1 w - -\r
+solution Rxh6+\r
+id "ECM.798"\r
+go\r
+setboard 2b1rk2/r6p/1pP1p1p1/p2pNnR1/5Q2/P1B4q/1PP2P1P/1K4R1 w - -\r
+solution Nxg6+\r
+id "ECM.799"\r
+go\r
+setboard 6R1/6Q1/3q2p1/5p1p/P3p1k1/1P1r2P1/5PK1/8 b - -\r
+solution Rxg3+\r
+id "ECM.800"\r
+go\r
+setboard r6r/ppnqpk2/3pbpp1/5N2/1PP1P3/5RR1/P2QB1PP/6K1 w - -\r
+solution Nh6+\r
+id "ECM.801"\r
+go\r
+setboard 3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -\r
+solution Rfxg6+\r
+id "ECM.802"\r
+go\r
+setboard 2b2r1k/2p3pp/2Nb4/pP5q/2PP4/P4pP1/5P1P/R1BQ2K1 b - -\r
+solution Bxg3\r
+id "ECM.803"\r
+go\r
+setboard r1bq2k1/pp3r1p/2n1p1p1/3pP3/6Q1/2PB2P1/P4PK1/R1B4R w - -\r
+solution Bxg6\r
+id "ECM.804"\r
+go\r
+setboard 3q1rk1/2r4p/n1p1n1pQ/p2pP3/Np1P2R1/5PN1/PP3KP1/2R5 w - -\r
+solution Rxg6+\r
+id "ECM.805"\r
+go\r
+setboard 2Nq1rk1/6pp/b1p2b2/p6Q/np1p4/6P1/PB3PBP/R3R1K1 w - -\r
+solution Be4\r
+id "ECM.806"\r
+go\r
+setboard r2r4/p4pk1/2p3p1/1p1nPR2/5p1Q/2N5/PPPq4/1K4R1 w - -\r
+solution e6\r
+id "ECM.807"\r
+go\r
+setboard 2kr3r/pbq3p1/1p2pp2/2b4n/2P1B3/1P1N2Pp/PB2QP1P/R4RK1 b - -\r
+solution Nxg3\r
+id "ECM.808"\r
+go\r
+setboard r5k1/1p2Rpb1/3p1np1/2nP2B1/1qP5/1pN1Q2P/P5P1/1B4K1 w - -\r
+solution Bxg6\r
+id "ECM.809"\r
+go\r
+setboard 2rqr1k1/pb2bp1p/1pn1pnpB/4N3/3P4/P1N3R1/1P3PPP/RB1Q2K1 w - -\r
+solution Rxg6+\r
+id "ECM.810"\r
+go\r
+setboard 2r5/pp2qr1k/1nb3pp/2ppBp2/2P4P/3B2R1/P3QPP1/1R4K1 w - -\r
+solution Rxg6\r
+id "ECM.811"\r
+go\r
+setboard 3rr3/3q1p1k/p2P2pp/1bp1b3/5N2/6QP/P1B3P1/3RR1K1 w - -\r
+solution Bxg6+\r
+id "ECM.812"\r
+go\r
+setboard r2q1rk1/pp2ppb1/3pn1pQ/3R4/2P3B1/4BR2/PP4PP/6K1 w - -\r
+solution Qxg6\r
+id "ECM.813"\r
+go\r
+setboard 1n1b1rk1/r4p1p/p1p2qpQ/P3Np2/2BP4/2P1R3/5PPP/R5K1 w - -\r
+solution Rb1\r
+id "ECM.814"\r
+go\r
+setboard 6rk/pb3p1p/3bpPq1/3P4/1p1B3r/1B4P1/PPRQ1R1P/6K1 b - -\r
+solution Bxg3\r
+id "ECM.815"\r
+go\r
+setboard 3rr1k1/pb2bp1p/3qp1pB/1p2N3/3P2Q1/2P1R3/P4PPP/4R1K1 w - -\r
+solution Nxg6\r
+id "ECM.816"\r
+go\r
+setboard r2q1rk1/pb1nbp1p/1p2p1p1/4N1BQ/2PP4/P7/5PPP/RB2R1K1 w - -\r
+solution Nxg6\r
+id "ECM.817"\r
+go\r
+setboard 1Q4R1/r2qbp2/3p1kp1/3Bp2p/8/3PP1P1/5PKP/8 w - -\r
+solution Rxg6+\r
+id "ECM.818"\r
+go\r
+setboard r3r1k1/b1p2pn1/p2q1Bp1/1p1bN1Qp/3P4/2P4P/PPB2PP1/R3R1K1 w - -\r
+solution Nxg6\r
+id "ECM.819"\r
+go\r
+setboard 3r2k1/p1rn1p1p/1p2pp2/6q1/3PQNP1/5P2/P1P4R/R5K1 w - -\r
+solution Nxe6\r
+id "ECM.820"\r
+go\r
+setboard k2r3r/ppq2p1p/n1pb1Pp1/4p3/2Q5/1R2B1P1/PPP2PBP/R5K1 w - -\r
+solution Rxb7\r
+id "ECM.821"\r
+go\r
+setboard 1rb2rk1/p1p1qppp/2p2n2/3P4/1b3P2/2NB4/PPPBQ1PP/2KR3R b - -\r
+solution Ba3\r
+id "ECM.822"\r
+go\r
+setboard k7/pp1N4/4P3/5P2/8/5p2/1R6/B4Knq w - -\r
+solution Nb6+\r
+id "ECM.823"\r
+go\r
+setboard 4rrk1/p5pp/1p4q1/3p2n1/2pP2P1/P1P1PP2/3B2K1/1R2QR2 b - -\r
+solution Nxf3\r
+id "ECM.824"\r
+go\r
+setboard 1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - -\r
+solution Rxf6\r
+id "ECM.825"\r
+go\r
+setboard 1rbq2k1/b1p3pp/p1Pp4/3Ppr2/8/5N2/PPQ2PPP/R1B2RK1 b - -\r
+solution Rxf3\r
+id "ECM.826"\r
+go\r
+setboard 1r1q1r1k/2p3pp/1p1bQ3/p7/1PP5/Pn3B2/1B3PPP/R4RK1 b - -\r
+solution Rxf3\r
+id "ECM.827"\r
+go\r
+setboard r4rk1/2p1qpp1/p1p5/2Ppn2b/2PQ1N1p/4P3/PB3PPP/R4RK1 b - -\r
+solution Nf3+\r
+id "ECM.828"\r
+go\r
+setboard r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - -\r
+solution Nf6+\r
+id "ECM.829"\r
+go\r
+setboard 1n2r3/p1pq1kp1/1b1pNpp1/3P4/5RP1/3Q3P/1B3P2/6K1 w - -\r
+solution Bxf6\r
+id "ECM.830"\r
+go\r
+setboard r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - -\r
+solution Nf3+\r
+id "ECM.831"\r
+go\r
+setboard 3r1b2/p4bkp/1p1P1p2/r3p1p1/2q1N3/2N2P2/1P1R2PP/2QR3K w - -\r
+solution Nxf6\r
+id "ECM.832"\r
+go\r
+setboard rqbn1rk1/1p3ppp/p3p3/8/4NP2/8/PPP1BQPP/1K1R3R w - -\r
+solution Nf6+\r
+id "ECM.833"\r
+go\r
+setboard r1b1kb1r/1p4pp/p2ppn2/8/2qNP3/2N1B3/PPP3PP/R2Q1RK1 w kq -\r
+solution Rxf6\r
+id "ECM.834"\r
+go\r
+setboard 1rn5/p3Bk1p/1pq1bpp1/P3p3/1Q2P2P/2P3P1/5PB1/1R4K1 w - -\r
+solution Bxf6\r
+id "ECM.835"\r
+go\r
+setboard 2nr2k1/1pq1bppp/p1p5/2p1P1PQ/2P1NP2/1PNR4/P6P/6K1 w - -\r
+solution Nf6+\r
+id "ECM.836"\r
+go\r
+setboard 6nk/pn2qr1r/1pbp1p1p/2p1pPpN/P1P1P1PP/2PP3R/7Q/2BBK2R w K -\r
+solution Nxf6\r
+id "ECM.837"\r
+go\r
+setboard 7r/4p1k1/p3Pppp/1p6/3N1R2/3PQ2P/qr4b1/5RK1 w - -\r
+solution Rxf6\r
+id "ECM.838"\r
+go\r
+setboard r3k2r/1bq1bp2/p3p1pp/1p2P3/3NpP2/4B1Q1/PPP3PP/1K1R3R w kq -\r
+solution Nxe6\r
+id "ECM.839"\r
+go\r
+setboard rnbqkb1r/pp1n1p2/4p1p1/1N1pP2p/1P4Q1/3B1N2/P1PB1PPP/R3K2R w KQkq -\r
+solution Qxe6+\r
+id "ECM.840"\r
+go\r
+setboard r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq -\r
+solution Nxe6\r
+id "ECM.841"\r
+go\r
+setboard r1b1k1nr/3n1p1p/1qpBp1p1/pp2b3/4PN2/PBN2Q2/1PP2PPP/2KR3R w kq -\r
+solution Nxe6\r
+id "ECM.842"\r
+go\r
+setboard 2r2rk1/1b3ppp/pq2p3/1pbn2N1/3B3P/1B4P1/P1P1QP2/2KRR3 w - -\r
+solution Qh5\r
+id "ECM.843"\r
+go\r
+setboard r3k2r/pp1n1pb1/1qn1p1p1/2p3Pp/4R2P/2NP2QB/PPPB1P2/2K1R3 w kq -\r
+solution Rxe6+\r
+id "ECM.844"\r
+go\r
+setboard r3k2r/1q3ppp/p3p3/2b1P3/p2N1Q2/P7/1PP3PP/3R1R1K w kq -\r
+solution Nxe6\r
+id "ECM.845"\r
+go\r
+setboard 3qr1k1/rp3pbp/2p3p1/3p1b2/N1nP4/P2NP3/1PQ2PPP/1BRR2K1 b - -\r
+solution Rxe3\r
+id "ECM.846"\r
+go\r
+setboard rnbqkb1r/1p1n1pp1/p3p2p/3pP3/3p1NQP/2N5/P1PB1PP1/R3KB1R w KQkq -\r
+solution Nxe6\r
+id "ECM.847"\r
+go\r
+setboard 3r1b1R/3bkpp1/1p1np3/1BqpPPP1/PQ1N4/8/1PP5/1K6 w - -\r
+solution f6+\r
+id "ECM.848"\r
+go\r
+setboard 4r1k1/pp2n2p/1r1n1bp1/q2p1pB1/3P3N/P1NQ1P1P/1PP3R1/1K5R b - -\r
+solution Rxb2+\r
+id "ECM.849"\r
+go\r
+setboard 3r2k1/2p1bppp/4b3/p2pP3/qr1N1B1P/8/1PPQ2P1/1K1RR3 b - -\r
+solution Rxb2+\r
+id "ECM.850"\r
+go\r
+setboard 1k1r3r/ppR2ppp/1q2b3/1N6/4Q3/8/PP3PPP/4R1K1 w - -\r
+solution Rxb7+\r
+id "ECM.851"\r
+go\r
+setboard 1r3rk1/5pbp/p2Pp1p1/q1n3P1/2p2P1P/2N1Q2R/PP6/1BKR4 b - -\r
+solution Rxb2\r
+id "ECM.852"\r
+go\r
+setboard rr4k1/5p1p/n2p1npQ/q1pP4/6P1/2N2P1N/PP1R3P/2K4R b - -\r
+solution Rxb2\r
+id "ECM.853"\r
+go\r
+setboard 1k2bb1r/1p3p1p/p2qpP1p/3pN3/3P1Q2/2RB2P1/PP3P1P/6K1 w - -\r
+solution Qc1\r
+id "ECM.854"\r
+go\r
+setboard 1r4k1/1r3p2/p1p1b1pQ/q3P3/P7/bPN1R1P1/2P4P/1K1R1B2 b - -\r
+solution Bxb3\r
+id "ECM.855"\r
+go\r
+setboard 5rk1/5rp1/p2qb3/R2Np2Q/3bP2B/7P/P5PK/1R6 b - -\r
+solution Rf1\r
+id "ECM.856"\r
+go\r
+setboard 6k1/5p2/R3p1p1/1pq1PpB1/4nP2/5Q1P/P2r2PK/8 w - -\r
+solution Ra8+\r
+id "ECM.857"\r
+go\r
+setboard 3r1rk1/p3q1pp/2Rb4/3P4/8/1P2Qp2/PB3PPP/3R2K1 b - -\r
+solution Bxh2+\r
+id "ECM.858"\r
+go\r
+setboard 1r6/5pk1/p1b2qpp/P1P1n3/1N6/Q5NP/5PP1/3R2K1 b - -\r
+solution Bxg2\r
+id "ECM.859"\r
+go\r
+setboard 1r4k1/1q3pb1/r1b3p1/pp1Qp3/P3P3/1B2BP2/1PP3P1/1K1R3R w - -\r
+solution Qd8+\r
+id "ECM.860"\r
+go\r
+setboard 2R5/p3q1kp/6p1/3p4/b2P2p1/Pr4N1/5Q2/3K3R w - -\r
+solution Nf5+\r
+id "ECM.861"\r
+go\r
+setboard 3r4/kb6/pp6/4R1pr/PPpq4/2N3Q1/2P3PP/3R3K b - -\r
+solution Rf8\r
+id "ECM.862"\r
+go\r
+setboard 4r1k1/5p1p/4q1p1/8/Q5n1/3B2P1/P4P1P/2R3K1 b - -\r
+solution Nxf2\r
+id "ECM.863"\r
+go\r
+setboard 8/2q1np1k/6p1/1PPn3p/8/P2Q3P/6P1/2R4K b - -\r
+solution Nf5\r
+id "ECM.864"\r
+go\r
+setboard r1bq1rk1/ppp1n1bn/3p2p1/3Pp1Pp/1PP1Pp1P/2NN1P2/P3B3/R1BQ1RK1 b - -\r
+solution Nxg5\r
+id "ECM.865"\r
+go\r
+setboard 7R/1p1r4/2b2p2/2Pp1qk1/3P1bp1/3N4/2Q2PB1/6K1 w - -\r
+solution Rg8+\r
+id "ECM.866"\r
+go\r
+setboard r6r/1pn1b1k1/2p1pq2/2Pp3p/p2P1Pp1/P2BP1P1/1P2QB2/3R2KR w - -\r
+solution Rxh5\r
+id "ECM.867"\r
+go\r
+setboard 1r4k1/pp4pp/2n1b3/1Rq1p3/2P2r2/P1B2P2/2Q1B1PP/3R1K2 b - -\r
+solution Rxf3+\r
+id "ECM.868"\r
+go\r
+setboard 7k/1p4p1/2p4r/5p2/p1QP1q2/2P2PR1/r4P1P/4R2K b - -\r
+solution Rxh2+\r
+id "ECM.869"\r
+go\r
+setboard 1r3r2/6kp/3p1pp1/qnp1pP2/1p2P2N/3P4/PPPQ1P1P/1K1R2R1 w - -\r
+solution fxg6\r
+id "ECM.870"\r
+go\r
+setboard 5rk1/1rP3pp/p4n2/3Pp3/1P2Pq2/2Q4P/P5P1/R3R1K1 b - -\r
+solution Rxc7\r
+id "ECM.871"\r
+go\r
+setboard 2rq1rk1/5ppp/2b1pb2/np6/6N1/2NBB3/PP3PPP/R2Q2K1 w - -\r
+solution Bb6\r
+id "ECM.872"\r
+go\r
+setboard 5r2/p2p2kp/3PnNp1/1qr1Pp2/2p5/P1R5/6PP/2Q1R1K1 w - -\r
+solution Qh6+\r
+id "ECM.873"\r
+go\r
+setboard 2Qbq1k1/6p1/1p4Np/4p2P/3rP3/8/3p2PK/3R4 w - -\r
+solution Rf1\r
+id "ECM.874"\r
+go\r
+setboard 2kr1br1/ppp2p1p/2n1p1q1/2Nn4/3P4/1Q2PB2/PP1B1P1P/2R1K2R b K -\r
+solution Qg1+\r
+id "ECM.875"\r
+go\r
+setboard 2K5/6p1/kp2P3/1p6/1P6/2P1P2p/8/1r6 w - -\r
+solution e7\r
+id "ECM.876"\r
+go\r
+setboard 2kr3r/1Rp1bpp1/p6q/Q3P3/2P5/3p1NP1/P3P2P/1R4K1 b - -\r
+solution Qe3+\r
+id "ECM.877"\r
+go\r
+setboard 6k1/1R4pp/2p5/8/P1rNp3/6Pb/4PK2/8 w - -\r
+solution a5\r
+id "ECM.878"\r
+go\r
+setboard r2r2k1/pp3ppp/2q5/2p5/2P1P1n1/P4P1b/1BQ1BP1P/R3R2K b - -\r
+solution Rd2\r
+id "ECM.879"\r
+gosetboard 8/6p1/7k/8/1K6/8/1P6/8 w - -
+id "MES.0001"
+solution Kc5
+go
+setboard 8/8/8/2p5/8/8/1kP5/3K4 w - -
+id "MES.0002"
+solution c4
+go
+setboard 7K/8/k1P5/7p/8/8/8/8 w - -
+id "MES.0003"
+solution Kg7
+go
+setboard 8/8/1p6/8/8/P7/8/5k1K w - -
+id "MES.0004"
+solution Kh2
+go
+setboard 8/8/8/8/8/P4p2/k6K/8 w - -
+id "MES.0005"
+solution a4
+go
+setboard 8/8/6p1/1k6/4K3/8/5P2/8 w - -
+id "MES.0006"
+solution Kd4
+go
+setboard 5k2/6p1/7p/8/7P/7K/8/8 w - -
+id "MES.0007"
+solution Kg3
+go
+setboard 8/8/1kpp4/8/2P5/2K5/8/8 w - -
+id "MES.0008"
+solution Kc2
+go
+setboard 8/5p2/1p6/1P2K2k/8/8/8/8 w - -
+id "MES.0009"
+solution Kf5
+go
+setboard 8/8/8/4p1p1/8/5P2/6K1/3k4 w - -
+id "MES.0010"
+solution Kh1
+go
+setboard 8/2p4K/8/7k/8/8/6PP/8 w - -
+id "MES.0011"
+solution g4+
+go
+setboard 4k3/4p3/4P3/4P3/8/8/2K5/8 w - -
+id "MES.0012"
+solution Kd3
+go
+setboard K7/8/1k6/1p6/8/2P5/1P6/8 w - -
+id "MES.0013"
+solution b3
+go
+setboard 7k/5K2/7P/6pP/8/8/8/8 w - -
+id "MES.0014"
+solution Kf6
+go
+setboard 8/p7/P7/8/8/4k3/4P3/4K3 w - -
+id "MES.0015"
+solution Kf1
+go
+setboard 8/k7/3p4/6K1/2P1P3/8/8/8 w - -
+id "MES.0016"
+solution Kg6
+go
+setboard K1k5/7p/8/2P5/8/8/P7/8 w - -
+id "MES.0017"
+solution c6
+go
+setboard 8/5p2/5p2/5p2/8/4K3/7P/7k w - -
+id "MES.0018"
+solution h4
+go
+setboard 8/6p1/k1P2p1p/7K/8/8/8/8 w - -
+id "MES.0019"
+solution Kg6
+go
+setboard 2k5/3p4/P7/Pp6/8/4K3/8/8 w - -
+id "MES.0020"
+solution Kd4
+go
+setboard 8/1p2pk2/1P6/8/4P3/8/6K1/8 w - -
+id "MES.0021"
+solution Kg3
+go
+setboard 8/3Pk1p1/8/1K3Pp1/8/8/8/8 w - -
+id "MES.0022"
+solution Kc6
+go
+setboard 8/5p2/7k/6p1/5P1P/8/8/7K w - -
+id "MES.0023"
+solution hxg5+
+go
+setboard 4k3/8/3p4/p6K/P5P1/8/8/8 w - -
+id "MES.0024"
+solution Kg5
+go
+setboard 8/2p1Pk2/5P2/8/3p1K2/8/8/8 w - -
+id "MES.0025"
+solution Kf3
+go
+setboard 1k1K4/1p5P/1P6/8/8/8/p7/8 w - -
+id "MES.0026"
+solution h8=Q
+go
+setboard k7/5K2/8/8/7p/p6P/P7/8 w - -
+id "MES.0027"
+solution Ke6
+go
+setboard 8/p2p4/8/8/8/k7/5P1P/7K w - -
+id "MES.0028"
+solution f4
+go
+setboard 8/8/1k1p4/8/P1P5/p7/8/3K4 w - -
+id "MES.0029"
+solution Kc2
+go
+setboard 8/K3p3/5p2/5P2/8/8/2k1P3/8 w - -
+id "MES.0030"
+solution Kb6
+go
+setboard 8/2K5/1p6/1P4k1/5p2/8/6P1/8 w - -
+id "MES.0031"
+solution Kc6
+go
+setboard 8/5p2/5p2/8/5KP1/8/6P1/3k4 w - -
+id "MES.0032"
+solution Kf5
+go
+setboard 8/8/4k1P1/4p1p1/4K3/3P4/8/8 w - -
+id "MES.0033"
+solution g7
+go
+setboard 8/8/7p/p7/k1P2K2/8/P7/8 w - -
+id "MES.0034"
+solution a3
+go
+setboard 8/8/1p1K4/Pp6/2k1p3/8/1P6/8 w - -
+id "MES.0035"
+solution a6
+go
+setboard 3k4/3p3p/3p4/PK6/4P3/8/8/8 w - -
+id "MES.0036"
+solution Kb6
+go
+setboard 7k/3p2p1/2p5/5P2/2P5/K7/8/8 w - -
+id "MES.0037"
+solution Kb4
+go
+setboard 8/7p/3p4/8/6pP/8/4PK2/7k w - -
+id "MES.0038"
+solution Kg3
+go
+setboard 8/8/K7/2p1k3/8/1p1p4/1P1P4/8 w - -
+id "MES.0039"
+solution Kb5
+go
+setboard 8/8/2p5/k1p1K3/p1P5/P7/8/8 w - -
+id "MES.0040"
+solution Kf5
+go
+setboard 8/8/1p1p3p/3P4/4K3/8/4P2k/8 w - -
+id "MES.0041"
+solution Kf3
+go
+setboard 6K1/8/pp5p/8/7k/3PP3/8/8 w - -
+id "MES.0042"
+solution d4
+go
+setboard K7/8/k7/6p1/6Pp/7p/7P/8 w - -
+id "MES.0043"
+solution Kb8
+go
+setboard 2k5/3p2p1/2p5/2K5/5P2/8/2P5/8 w - -
+id "MES.0044"
+solution Kd6
+go
+setboard 6k1/p7/3K2p1/1P5p/7P/8/8/8 w - -
+id "MES.0045"
+solution Kd5
+go
+setboard 8/1K6/8/k4p2/4pp2/8/4PP2/8 w - -
+id "MES.0046"
+solution Kc6
+go
+setboard 8/6p1/4K3/6k1/6P1/6pP/6P1/8 w - -
+id "MES.0047"
+solution Ke5
+go
+setboard 8/K7/3pk3/8/p3P3/P7/1P6/8 w - -
+id "MES.0048"
+solution Kb8
+go
+setboard 1k6/1p6/3p4/1P6/1P6/1P6/8/7K w - -
+id "MES.0049"
+solution Kg2
+go
+setboard 8/6p1/8/5p1P/5P2/6P1/8/5K1k w - -
+id "MES.0050"
+solution Ke1
+go
+setboard 8/2p5/3k4/1p1p1K2/8/1P1P4/2P5/8 w - -
+id "MES.0051"
+solution b4
+go
+setboard 4K3/pk6/2p5/2P5/1pP4P/1P6/8/8 w - -
+id "MES.0052"
+solution Kd7
+go
+setboard 8/2p5/3k3P/5pp1/5p2/1p5K/8/8 w - -
+id "MES.0053"
+solution h7
+go
+setboard 8/8/6K1/k2p4/2p5/2P4p/3P3P/8 w - -
+id "MES.0054"
+solution Kf7
+go
+setboard 8/8/1p3P1k/4P3/8/1p6/pK2P3/8 w - -
+id "MES.0055"
+solution e6
+go
+setboard 8/4Pk2/5p2/8/K7/3p2p1/3P2P1/8 w - -
+id "MES.0056"
+solution Kb5
+go
+setboard 8/1p6/8/5k1p/P1P3p1/8/5PK1/8 w - -
+id "MES.0057"
+solution a5
+go
+setboard 4k3/5p1p/1p5P/6P1/P7/8/8/4K3 w - -
+id "MES.0058"
+solution Kd2
+go
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+id "MES.0060"
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+id "MES.0061"
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+id "MES.0064"
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+id "MES.0066"
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+id "MES.0067"
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+id "MES.0070"
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+id "MES.0071"
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+id "MES.0072"
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+id "MES.0074"
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+id "MES.0076"
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+id "MES.0082"
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+id "MES.0084"
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+id "MES.0085"
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+id "MES.0086"
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+id "MES.0087"
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+id "MES.0089"
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+id "MES.0094"
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+id "MES.0095"
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+id "MES.0096"
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+id "MES.0097"
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+id "MES.0098"
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+id "MES.0100"
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+id "MES.0101"
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+id "MES.0103"
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+id "MES.0104"
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+id "MES.0105"
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+id "MES.0107"
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+id "MES.0108"
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+id "MES.0109"
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+id "MES.0110"
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+id "MES.0112"
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+id "MES.0113"
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+id "MES.0114"
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+id "MES.0115"
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+id "MES.0116"
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+id "MES.0117"
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+id "MES.0118"
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+id "MES.0119"
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+id "MES.0120"
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+id "MES.0121"
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+id "MES.0122"
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+id "MES.0123"
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+id "MES.0124"
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+id "MES.0125"
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+id "MES.0126"
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+id "MES.0127"
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+id "MES.0128"
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+id "MES.0129"
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+id "MES.0130"
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+id "MES.0131"
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+id "MES.0132"
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+id "MES.0133"
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+id "MES.0134"
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+id "MES.0135"
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+id "MES.0136"
+solution Nf4
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+id "MES.0137"
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+id "MES.0138"
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+id "MES.0139"
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+id "MES.0140"
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+id "MES.0141"
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+id "MES.0142"
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+id "MES.0143"
+solution Ke4
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+id "MES.0144"
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+id "MES.0145"
+solution d6
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+id "MES.0146"
+solution Kd4
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+id "MES.0147"
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+id "MES.0148"
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+id "MES.0149"
+solution f7
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+id "MES.0150"
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+id "MES.0151"
+solution Kd3
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+id "MES.0152"
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+setboard 8/b7/3K1p2/7P/1p5k/1P6/1PP4P/8 w - -
+id "MES.0153"
+solution h6
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+setboard 5k2/8/5PP1/8/1p3p2/6P1/P4PpK/7b w - -
+id "MES.0154"
+solution Kg1
+go
+setboard 4k1K1/3p2pP/p2P3P/P7/8/1p6/1p6/b7 w - -
+id "MES.0155"
+solution h8=R
+go
+setboard 8/8/2PK2p1/7p/p1b2P2/P5P1/2P2kP1/8 w - -
+id "MES.0156"
+solution g4
+go
+setboard 7k/3K2pP/pb4P1/8/P6p/2p1p3/2P1P1P1/8 w - -
+id "MES.0157"
+solution Kd6
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+setboard 8/5p1b/4pPkp/3pP2p/1p1P3P/1p2K2P/1P6/8 w - -
+id "MES.0158"
+solution Ke2
+go
+setboard 6k1/3p4/8/8/8/B7/P7/7K w - -
+id "MES.0159"
+solution Bb4
+go
+setboard 5k2/4p2p/6P1/3K4/8/4B3/8/8 w - -
+id "MES.0160"
+solution Bh6+
+go
+setboard 8/5p1B/7P/1K6/1p6/p7/1k6/8 w - -
+id "MES.0161"
+solution Bc2
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+setboard 5B2/p7/3p4/PPk5/8/8/4K3/8 w - -
+id "MES.0162"
+solution b6
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+setboard 8/2p2B2/5PK1/3Pk3/8/7p/8/8 w - -
+id "MES.0163"
+solution d6
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+setboard 8/B1p2p1P/8/4p3/8/k7/p2K4/8 w - -
+id "MES.0164"
+solution Bd4
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+setboard 8/8/3p4/8/3B4/p7/p1P4p/5K1k w - -
+id "MES.0165"
+solution Ba1
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+setboard 8/8/5p2/3P4/p1PK4/p7/k7/3B4 w - -
+id "MES.0166"
+solution Kc3
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+setboard 8/8/5p2/5p2/5P2/3p3B/5k1P/3K4 w - -
+id "MES.0167"
+solution Bg2
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+setboard 8/8/2pp4/2p2kp1/2K5/6P1/6P1/2B5 w - -
+id "MES.0168"
+solution Be3
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+setboard 8/7p/6pP/1B4P1/pp6/1k1K4/8/8 w - -
+id "MES.0169"
+solution Be8
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+setboard k7/pp1K4/P2B4/p7/P7/P7/8/8 w - -
+id "MES.0170"
+solution Kc8
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+setboard 8/1p6/1P1p4/1K1p2B1/P2P4/6pp/1P6/5k2 w - -
+id "MES.0171"
+solution Bd2
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+setboard 1k6/1p1p4/PK2p3/5p1p/6pP/8/8/5B2 w - -
+id "MES.0172"
+solution a7+
+go
+setboard 5kB1/3p1P2/7K/2Pp1P1P/p6p/4P3/7P/8 w - -
+id "MES.0173"
+solution Kg6
+go
+setboard 3k4/3p4/3P1P2/P6B/1p1p4/1KPP3p/1P3p2/8 w - -
+id "MES.0174"
+solution a6
+go
+setboard 8/1p6/1P6/3p1p1p/p2PpPpk/2p1P2P/2P1B1P1/6K1 w - -
+id "MES.0175"
+solution Kf2
+go
+setboard 8/8/8/2P4B/8/5K2/3k4/5b2 w - -
+id "MES.0176"
+solution c6
+go
+setboard 8/8/2B5/7b/7k/2K5/1P6/8 w - -
+id "MES.0177"
+solution b4
+go
+setboard 8/8/8/1P6/7b/7k/7B/7K w - -
+id "MES.0178"
+solution b6
+go
+setboard B3K3/8/8/P1p5/8/8/2b4k/8 w - -
+id "MES.0179"
+solution a6
+go
+setboard 8/8/B3P3/3k4/5K2/2P4b/8/8 w - -
+id "MES.0180"
+solution Bc8
+go
+setboard 1K6/3p4/3P4/8/k7/1p6/8/1b5B w - -
+id "MES.0181"
+solution Bc6+
+go
+setboard 8/8/7B/2P5/1p4p1/3k4/7K/4b3 w - -
+id "MES.0182"
+solution c6
+go
+setboard k7/8/8/1p2P1p1/bK6/8/B7/8 w - -
+id "MES.0183"
+solution Bf7
+go
+setboard 3B4/6b1/6P1/2p5/P1k5/8/8/5K2 w - -
+id "MES.0184"
+solution Ba5
+go
+setboard 8/pB4Pb/4k3/8/K2P4/8/8/8 w - -
+id "MES.0185"
+solution Be4
+go
+setboard 8/8/p7/p3b1B1/8/p7/1p2k3/1K6 w - -
+id "MES.0186"
+solution Be7
+go
+setboard k2K4/8/6P1/2B5/5P2/p7/4p2b/8 w - -
+id "MES.0187"
+solution g7
+go
+setboard B6k/6p1/2K3PP/8/4p3/8/6b1/8 w - -
+id "MES.0188"
+solution Kd6
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+setboard 8/4k3/6b1/2p5/2BP4/p4K2/4P3/8 w - -
+id "MES.0189"
+solution Kf4
+go
+setboard 8/8/2p2K2/5B1p/k7/8/2P1P3/1b6 w - -
+id "MES.0190"
+solution e4
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+setboard 8/p7/P7/P7/P4B2/8/5k2/6bK w - -
+id "MES.0191"
+solution Bc7
+go
+setboard 8/KPb5/8/P5p1/5p2/3k4/7P/2B5 w - -
+id "MES.0192"
+solution Ba3
+go
+setboard 8/1k6/1b6/p3p2P/1B5p/P7/5P2/2K5 w - -
+id "MES.0193"
+solution h6
+go
+setboard 5k2/P4P1K/1Pb2PB1/8/3p3p/8/8/8 w - -
+id "MES.0194"
+solution Bf5
+go
+setboard 8/3p4/pp1B4/k7/p1P5/P1bp4/8/3K4 w - -
+id "MES.0195"
+solution Kc1
+go
+setboard 1B6/3k4/3p4/1P6/p4b2/Pp6/1P1pK3/8 w - -
+id "MES.0196"
+solution b6
+go
+setboard 1b6/3k3p/P1p5/2Pp3p/K2P3P/8/8/6B1 w - -
+id "MES.0197"
+solution a7
+go
+setboard 8/8/8/3pk1K1/1p1p4/1PpP3b/2P1B2P/8 w - -
+id "MES.0198"
+solution Bg4
+go
+setboard 7k/2b5/6P1/2p2P1K/2Pp4/p2P4/2p5/2B5 w - -
+id "MES.0199"
+solution f6
+go
+setboard 6k1/4b2p/7B/6p1/3p2P1/3Pp1p1/2K1P1P1/8 w - -
+id "MES.0200"
+solution Kb3
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+id "MES.0202"
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+id "MES.0207"
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+id "MES.0209"
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+id "MES.0216"
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+id "MES.0231"
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+id "MES.0250"
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+id "MES.0251"
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+id "MES.0253"
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+id "MES.0261"
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+id "MES.0263"
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+id "MES.0265"
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+id "MES.0270"
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+id "MES.0271"
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+id "MES.0272"
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+id "MES.0273"
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+id "MES.0274"
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+id "MES.0275"
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+id "MES.0276"
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+id "MES.0280"
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+id "MES.0282"
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+id "MES.0284"
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+id "MES.0285"
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+id "MES.0288"
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+id "MES.0289"
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+id "MES.0290"
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+id "MES.0291"
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+id "MES.0292"
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+id "MES.0293"
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+id "MES.0294"
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+id "MES.0295"
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+id "MES.0296"
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+id "MES.0297"
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+id "MES.0298"
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+id "MES.0299"
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+id "MES.0300"
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+id "MES.0301"
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+id "MES.0302"
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+id "MES.0303"
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+id "MES.0304"
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+id "MES.0309"
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+id "MES.0310"
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+id "MES.0311"
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+go
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+id "MES.0312"
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+id "MES.0313"
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+id "MES.0314"
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+id "MES.0316"
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+id "MES.0317"
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+id "MES.0318"
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+id "MES.0319"
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+id "MES.0320"
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+id "MES.0321"
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+id "MES.0322"
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+id "MES.0323"
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+id "MES.0324"
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+id "MES.0325"
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+id "MES.0326"
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+id "MES.0327"
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+id "MES.0328"
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+id "MES.0329"
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+id "MES.0330"
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+id "MES.0331"
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+id "MES.0332"
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+id "MES.0333"
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+id "MES.0334"
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+id "MES.0335"
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+id "MES.0340"
+solution Nb5+
+go
+setboard K3b2N/8/2k3Np/7P/8/8/8/8 w - -
+id "MES.0341"
+solution Nf7
+go
+setboard k4N2/8/1p3P2/pp6/8/K4b2/1N6/8 w - -
+id "MES.0342"
+solution Nc4
+go
+setboard 1k6/2b5/p1Kpp3/P3PN2/8/2N5/8/8 w - -
+id "MES.0343"
+solution exd6
+go
+setboard 8/7N/4p2P/p3p2P/P3P1k1/2p5/7p/2b1K2N w - -
+id "MES.0344"
+solution Nf6+
+go
+setboard 1k4B1/8/8/n1K3N1/8/8/8/8 w - -
+id "MES.0345"
+solution Kb6
+go
+setboard 8/8/8/8/1B2N3/8/k1K1n3/8 w - -
+id "MES.0346"
+solution Bc5
+go
+setboard 8/8/4N1k1/8/5K2/8/B2n4/8 w - -
+id "MES.0347"
+solution Nd4
+go
+setboard 8/8/7p/8/8/2N2K2/8/1B3nk1 w - -
+id "MES.0348"
+solution Ne2+
+go
+setboard 8/8/8/NB6/8/5k2/2np3K/8 w - -
+id "MES.0349"
+solution Be8
+go
+setboard n7/7k/4p3/B7/6N1/8/8/6K1 w - -
+id "MES.0350"
+solution Ne5
+go
+setboard 8/8/8/8/8/p5pK/5B2/1Nn4k w - -
+id "MES.0351"
+solution Bd4
+go
+setboard 8/4K2p/6kP/8/4N3/7B/8/n7 w - -
+id "MES.0352"
+solution Be6
+go
+setboard 8/3N4/8/5K2/5B2/8/5Pp1/k3n3 w - -
+id "MES.0353"
+solution Bh2
+go
+setboard 3N2n1/4p3/3P4/4k3/6K1/8/2B5/8 w - -
+id "MES.0354"
+solution Nf7+
+go
+setboard 8/2N1k3/8/n7/B7/6p1/6Pp/7K w - -
+id "MES.0355"
+solution Ne8
+go
+setboard 5B1k/7p/6P1/4NnP1/8/8/K4p2/8 w - -
+id "MES.0356"
+solution g7+
+go
+setboard 8/8/p7/Pk6/p6p/3P1N2/8/K1n3B1 w - -
+id "MES.0357"
+solution Kb2
+go
+setboard B7/1P1p2p1/k2n1P2/8/N5K1/8/6p1/8 w - -
+id "MES.0358"
+solution b8=N+
+go
+setboard 8/3pB3/n4K1k/6N1/1p2P2p/1p6/1P4Pp/8 w - -
+id "MES.0359"
+solution Bf8+
+go
+setboard 2n5/1P1p4/3P4/2B1P3/3P4/6p1/pp4P1/Nk5K w - -
+id "MES.0360"
+solution Ba3
+go
+setboard nK6/2p3pk/1pp5/1P3NP1/5P2/1P4P1/p1B5/8 w - -
+id "MES.0361"
+solution Ne3+
+go
+setboard 8/6B1/8/8/3N4/4k3/8/2b1K3 w - -
+id "MES.0362"
+solution Kd1
+go
+setboard 1b5B/8/8/1N6/8/3k4/2p5/2K5 w - -
+id "MES.0363"
+solution Nc7
+go
+setboard 3K4/8/8/4k3/8/N2bB3/p7/8 w - -
+id "MES.0364"
+solution Nb5
+go
+setboard 1b6/8/1N4Pk/8/8/B6K/8/8 w - -
+id "MES.0365"
+solution Nd7
+go
+setboard 7K/1b6/8/8/3P4/4k3/1B1N2p1/8 w - -
+id "MES.0366"
+solution d5
+go
+setboard b6k/7p/2p5/8/8/2N5/3B4/1K6 w - -
+id "MES.0367"
+solution Bh6
+go
+setboard 8/8/7k/8/7P/2p5/4KN2/3B2b1 w - -
+id "MES.0368"
+solution Nd3
+go
+setboard 8/6P1/8/8/4k2K/8/2b4p/2N1B3 w - -
+id "MES.0369"
+solution g8=Q
+go
+setboard k7/8/B3P3/8/1K5b/8/4N2p/8 w - -
+id "MES.0370"
+solution Ng3
+go
+setboard 8/5b2/8/6B1/3k4/K7/1P4p1/1N6 w - -
+id "MES.0371"
+solution Nd2
+go
+setboard 1k6/2p5/B7/4Np2/8/8/6p1/6Kb w - -
+id "MES.0372"
+solution Nc6+
+go
+setboard 8/4K1p1/3N4/5P2/4B3/1k6/3pb3/8 w - -
+id "MES.0373"
+solution f6
+go
+setboard K7/2b5/3p1p2/4k3/4P3/4N3/8/2B5 w - -
+id "MES.0374"
+solution Kb7
+go
+setboard 8/8/pp6/8/kb3Np1/7P/1K6/4B3 w - -
+id "MES.0375"
+solution Bxb4
+go
+setboard 8/5N2/5pP1/7b/p7/8/1Pk5/4BK2 w - -
+id "MES.0376"
+solution Nh8
+go
+setboard 8/8/6p1/7p/pb6/k6P/2P1pB2/NK6 w - -
+id "MES.0377"
+solution c3
+go
+setboard 4K3/2k1Bp1N/6p1/5PP1/8/7p/b7/8 w - -
+id "MES.0378"
+solution Bf6
+go
+setboard 4Bk2/1pp2p1K/3p4/P5Pb/4P3/5N2/8/8 w - -
+id "MES.0379"
+solution Bc6
+go
+setboard 1b6/4P3/1P2PN2/8/2P5/P1k5/P1p2P2/K5B1 w - -
+id "MES.0380"
+solution Ne4+
+go
+setboard 6b1/2p1B1P1/p1K5/k7/p6p/p1Np2p1/8/8 w - -
+id "MES.0381"
+solution Na2
+go
+setboard 3k4/3p4/P2P2P1/p1p1P3/K3p3/3P3B/P3p2P/3N3b w - -
+id "MES.0382"
+solution Nc3
+go
+setboard 8/1p1p4/1p1PPp2/1P1K1k1P/2PP4/4B2P/5pp1/6Nb w - -
+id "MES.0383"
+solution e7
+go
+setboard 8/5BK1/8/8/p7/4B3/pn6/1k6 w - -
+id "MES.0384"
+solution Bg6+
+go
+setboard 6K1/8/6B1/8/8/2B5/pP6/k2n4 w - -
+id "MES.0385"
+solution Bh8
+go
+setboard 8/8/8/3kp3/3p4/P2B4/K1N3Np/8 w - -
+id "MES.0386"
+solution Nf4+
+go
+setboard 8/B4p2/4Np2/8/3K1P2/7N/4p2k/8 w - -
+id "MES.0387"
+solution Ng1
+go
+setboard 2N1k3/4p3/3pKp2/5p2/4NB2/pp6/8/8 w - -
+id "MES.0388"
+solution Nexd6+
+go
+setboard 5N2/8/7B/8/2K5/1p1B4/p7/k7 w - -
+id "MES.0389"
+solution Bd2
+go
+setboard 8/8/6bk/8/4nP2/4K3/4N3/4n3 w - -
+id "MES.0390"
+solution f5
+go
+setboard 3kn1K1/1p6/P4b2/N2Pn3/8/6P1/8/8 w - -
+id "MES.0391"
+solution a7
+go
+setboard 8/8/7N/1k5b/3P4/K3P3/2P5/n5b1 w - -
+id "MES.0392"
+solution Kb2
+go
+setboard 8/8/P6P/5p2/8/1b6/nN4P1/k3b2K w - -
+id "MES.0393"
+solution Nd1
+go
+setboard 2N2n2/8/1P4P1/1P3KP1/1b6/p7/8/k6b w - -
+id "MES.0394"
+solution g7
+go
+setboard 2nn4/B7/KP1P4/8/3p3k/8/8/4b3 w - -
+id "MES.0395"
+solution b7
+go
+setboard 6K1/8/Pp3p1k/1Pb4P/p2p3N/3P1PP1/4P3/3b4 w - -
+id "MES.0396"
+solution Nf5+
+go
+setboard b7/7P/2p3np/2P3p1/1P4PP/2B3Pk/7p/6bK w - -
+id "MES.0397"
+solution h5
+go
+setboard 3n2k1/3N4/7P/6N1/8/K7/7P/4b3 w - -
+id "MES.0398"
+solution Nf6+
+go
+setboard 8/8/p5Pb/1kpbP3/5p2/1N6/1KPN4/8 w - -
+id "MES.0399"
+solution c4+
+go
+setboard 2N5/5B2/8/4nk1K/6n1/4p3/8/8 w - -
+id "MES.0400"
+solution Ne7+
+go
+setboard r3rnk1/4qpp1/p5np/4pQ2/Pb2N3/1B5P/1P3PP1/R1BR2K1 w - -
+id "IQ.894"
+solution Bxh6
+go
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -
+id "IQ.895"
+solution Bxh6
+go
+setboard 6rk/1p1br2p/pqp5/3pNP2/1P1Pp3/P5PR/5PKR/Q7 w - -
+id "IQ.915"
+solution Rxh7+
+go
+setboard r4rk1/pb1q1ppp/2N1p3/2Rn4/3P4/3BPQ2/5PPP/2R3K1 w - -
+id "IQ.916"
+solution Bxh7+
+go
+setboard 3rk1nr/1p3q2/p1n2P1p/P1ppp3/3b4/2N2QPB/1PP4P/R1B2R1K w k -
+id "IQ.917"
+solution Nxd5
+go
+setboard 3rk1nr/1p3q2/p1n2P1p/P1ppp3/3b4/2N2QPB/1PP4P/R1B2R1K w k -
+id "IQ.918"
+solution Nxd5
+go
+setboard 6rk/2nbNq1p/3p1PpR/2pPp1P1/1nBbP3/2N3K1/1P6/2B4Q w - -
+id "IQ.919"
+solution Rxh7+
+go
+setboard 6rk/2nbNq1p/3p1PpR/2pPp1P1/1nBbP3/2N3K1/1P6/2B4Q w - -
+id "IQ.920"
+solution Rxh7+
+go
+setboard 6rk/2nbNq1p/3p1PpR/2pPp1P1/1nBbP3/2N3K1/1P6/2B4Q w - -
+id "IQ.921"
+solution Rxh7+
+go
+setboard r4r2/2q2pkp/p3pnp1/1p1b2Q1/2nN1N2/P4P2/BPP3PP/R4R1K w - -
+id "IQ.922"
+solution Nf5+
+go
+setboard r4r2/2q2pkp/p3pnp1/1p1b2Q1/2nN1N2/P4P2/BPP3PP/R4R1K w - -
+id "IQ.923"
+solution Nf5+
+go
+setboard r4r2/2q2pkp/p3pnp1/1p1b2Q1/2nN1N2/P4P2/BPP3PP/R4R1K w - -
+id "IQ.924"
+solution Nf5+
+go
+setboard 3r2k1/5pp1/R2B3q/2Q5/1p2rP2/6Pp/1bP2K1P/3R4 w - -
+id "IQ.925"
+solution Be5
+go
+setboard 1rb2r2/1p1nppk1/2p1n1p1/p3P2p/2qP3R/2N3NP/PP1Q2B1/5RK1 w - -
+id "IQ.926"
+solution Bd5
+go
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -
+id "IQ.927"
+solution g6
+go
+setboard 2qrrb2/pb3ppk/1npp3p/5N2/1p2n3/1P3NPB/PBPQ1P1P/3RR1K1 w - -
+id "IQ.928"
+solution Rxe4 Qf4
+go
+setboard 3r2k1/1p3pp1/1p6/7p/q2NP1P1/2Q2P1b/rP5P/2RR2K1 w - -
+id "IQ.929"
+solution Nf5
+go
+setboard 3r2k1/1p3pp1/1p6/7p/q2NP1P1/2Q2P1b/rP5P/2RR2K1 w - -
+id "IQ.930"
+solution Nf5
+go
+setboard 2q1r2k/5R1p/pp1B2pN/2p1P3/1n1b4/3P2Q1/1P4K1/8 w - -
+id "IQ.931"
+solution Qh4
+go
+setboard 2rr2k1/pb3p1p/1pq3p1/4R1N1/2n5/P4P2/BP2Q1PP/4R2K w - -
+id "IQ.932"
+solution Nxf7 Re7
+go
+setboard 2r1b1k1/p1q1brp1/1p2p1QB/4p3/4N3/2PBR3/P4PPP/6K1 w - -
+id "IQ.933"
+solution Qh7+
+go
+setboard 2r1b1k1/p1q1brp1/1p2p1QB/4p3/4N3/2PBR3/P4PPP/6K1 w - -
+id "IQ.934"
+solution Qh7+
+go
+setboard r1b1rnk1/pp3ppp/3qp3/2pnNPB1/2BP4/2P5/P1P1Q1PP/3R1RK1 w - -
+id "IQ.935"
+solution Nxf7
+go
+setboard 2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - -
+id "IQ.936"
+solution Qxc7+
+go
+setboard 2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - -
+id "IQ.937"
+solution Qxc7+
+go
+setboard 2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - -
+id "IQ.938"
+solution Qxc7+
+go
+setboard r1bq1rk1/pp1n1pp1/5n1p/2b1pN2/2B4B/2N1P3/PPQ2PPP/2KR3R w - -
+id "IQ.939"
+solution Nxh6+
+go
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -
+id "IQ.940"
+solution Re6
+go
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -
+id "IQ.941"
+solution Re6
+go
+setboard 5rk1/q5pp/4p3/r1bp1p2/1p1B1P2/1P1QP3/P4RPP/2R3K1 w - -
+id "IQ.943"
+solution Rxc5
+go
+setboard 5rk1/q5pp/4p3/r1bp1p2/1p1B1P2/1P1QP3/P4RPP/2R3K1 w - -
+id "IQ.944"
+solution Rxc5
+go
+setboard 2R4Q/pp1bkp2/4p1r1/qN1p4/Pb6/4B3/1P3PPP/6K1 w - -
+id "IQ.945"
+solution Bb6
+go
+setboard 2R4Q/pp1bkp2/4p1r1/qN1p4/Pb6/4B3/1P3PPP/6K1 w - -
+id "IQ.946"
+solution Bb6
+go
+setboard 6k1/6p1/p3br2/1p2Q3/5r2/1P1B2R1/1P3qPP/2R4K w - -
+id "IQ.947"
+solution Rc8+
+go
+setboard 6k1/6p1/p3br2/1p2Q3/5r2/1P1B2R1/1P3qPP/2R4K w - -
+id "IQ.948"
+solution Rc8+
+go
+setboard 5r1k/1b1P3p/4Q1pb/8/P7/4N1PP/1P2r3/R2R2K1 w - -
+id "IQ.949"
+solution Qf6+
+go
+setboard 5r1k/1b1P3p/4Q1pb/8/P7/4N1PP/1P2r3/R2R2K1 w - -
+id "IQ.950"
+solution Qf6+
+go
+setboard 4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - -
+id "IQ.951"
+solution Bd3
+go
+setboard 4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - -
+id "IQ.952"
+solution Bd3
+go
+setboard 4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - -
+id "IQ.953"
+solution Bd3
+go
+setboard 2rq1r2/pp1b1pkp/8/P2Q2P1/n1nN4/2P5/2P3BP/R1B2RK1 w - -
+id "IQ.954"
+solution Rxa4
+go
+setboard 2rq1r2/pp1b1pkp/8/P2Q2P1/n1nN4/2P5/2P3BP/R1B2RK1 w - -
+id "IQ.955"
+solution Rxa4
+go
+setboard 2qr1r2/p2n1ppk/1p2p2p/5b2/2PP2NQ/1B4R1/P4PPP/R5K1 w - -
+id "IQ.956"
+solution Bc2
+go
+setboard 2qr1r2/p2n1ppk/1p2p2p/5b2/2PP2NQ/1B4R1/P4PPP/R5K1 w - -
+id "IQ.957"
+solution Bc2
+go
+setboard 1r2q1k1/1p6/pN2p1p1/P3p3/2PbQ3/1P5P/6P1/5R1K w - -
+id "IQ.958"
+solution Nd7
+go
+setboard 1r2q1k1/1p6/pN2p1p1/P3p3/2PbQ3/1P5P/6P1/5R1K w - -
+id "IQ.959"
+solution Nd7
+go
+setboard 6k1/pp2q2r/2r1p3/1RPpPpp1/3P4/P5P1/3Q1PK1/7R w - -
+id "IQ.960"
+solution Rxb7
+go
+setboard k7/p1r4p/1pP1bq2/1P4p1/1Qn1B3/2b1P2P/P1P2PP1/3R2K1 w - -
+id "IQ.961"
+solution Qxc3
+go
+setboard k7/p1r4p/1pP1bq2/1P4p1/1Qn1B3/2b1P2P/P1P2PP1/3R2K1 w - -
+id "IQ.962"
+solution Qxc3
+go
+setboard k7/p1r4p/1pP1bq2/1P4p1/1Qn1B3/2b1P2P/P1P2PP1/3R2K1 w - -
+id "IQ.963"
+solution Qxc3
+go
+setboard 2r1k1nr/3bbpp1/p2p2P1/4pP2/1pqNP3/2N1B3/PPP3Q1/1K1R2R1 w k -
+id "IQ.964"
+solution b3 Nd5
+go
+setboard r6r/p1kn4/2p1b3/q3p1Qp/4P3/2PBB2P/P5P1/3R1RK1 w - -
+id "IQ.965"
+solution Bc4
+go
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -
+id "IQ.966"
+solution Bf4
+go
+setboard 4rk2/1p3r2/3q1nQp/1R1P2p1/P2pp3/3B2PP/1P3P2/2R3K1 w - -
+id "IQ.967"
+solution Qxh6+ Rxb7
+go
+setboard r5k1/1p3pbp/2q1p1p1/p1p1P3/n1P5/P1B2N1P/1P2QPP1/3R2K1 w - -
+id "IQ.968"
+solution Bxa5
+go
+setboard 1rb1r2k/3nq1b1/2p2pp1/p3p2p/P1B1P3/1P1RB1N1/2P2QPP/3R3K w - -
+id "IQ.969"
+solution Nf5 Rd6
+go
+setboard 1rb1r2k/3nq1b1/2p2pp1/p3p2p/P1B1P3/1P1RB1N1/2P2QPP/3R3K w - -
+id "IQ.970"
+solution Nf5 Rd6
+go
+setboard 4q1k1/p6p/1p2n2B/2p2rp1/2P5/2P2P2/P2Q2PP/4R1K1 w - -
+id "IQ.971"
+solution Rxe6
+go
+setboard 4q1k1/p6p/1p2n2B/2p2rp1/2P5/2P2P2/P2Q2PP/4R1K1 w - -
+id "IQ.972"
+solution Rxe6
+go
+setboard 4rbk1/1q3ppp/2Rr4/1p1P1B2/2b1PR2/p5P1/5P1P/B1Q3K1 w - -
+id "IQ.973"
+solution Bxh7+ Rxd6 Rh4 Bxg7
+go
+setboard 6k1/p1p2pp1/2p1n1q1/1r2P3/4N1PQ/5P2/P6P/3R3K w - -
+id "IQ.974"
+solution Rd8+
+go
+setboard r1b2r2/4ppkp/p2p1np1/qpn5/2PNP1P1/2N2P2/PP1QB2P/R3K2R w KQ -
+id "IQ.975"
+solution g5 cxb5
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.976"
+solution Qh6+
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.977"
+solution Qh6+
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.978"
+solution Qh6+
+go
+setboard 2r3k1/pR5p/2ppNb2/1Q1P1ppP/4q3/4P1P1/5P2/6K1 w - -
+id "IQ.979"
+solution Rg7+ Qa6
+go
+setboard 7R/5Q2/6pp/4rp1k/P3P3/5Pb1/4KPq1/3R4 w - -
+id "IQ.980"
+solution Rxh6+
+go
+setboard rnb4r/p1pq1Pkp/1pn1p1p1/3p2N1/3P4/P1PB3Q/2P2PPP/R1B1K2R w KQ -
+id "IQ.981"
+solution Qh6+
+go
+setboard r1r5/p2qnkbp/bp2ppp1/3p4/3P1P2/1Q1N1N1B/PP2PP1P/2R2RK1 w - -
+id "IQ.982"
+solution Nde5+
+go
+setboard r1b2rk1/1p3pbn/p2p2p1/q1nPp2p/P3P3/2NBBPN1/1P1Q2PP/R4RK1 w - -
+id "IQ.983"
+solution b4
+go
+setboard b3k3/2q1b1p1/p3p2r/1pPpP2p/1P1N3P/6P1/P3Q3/1BR3K1 w - -
+id "IQ.984"
+solution Bg6+
+go
+setboard 8/2bP1Q1p/6pk/p3p3/P1Bp4/1P1R2KP/5PP1/2q4r w - -
+id "IQ.985"
+solution Re3
+go
+setboard 8/2bP1Q1p/6pk/p3p3/P1Bp4/1P1R2KP/5PP1/2q4r w - -
+id "IQ.987"
+solution Re3
+go
+setboard 2b1rqk1/2R2ppp/1p1P4/p3Q3/7P/P7/B4PP1/6K1 w - -
+id "IQ.989"
+solution Qxe8
+go
+setboard r3k2r/pppqnpbp/4p1p1/3nP1B1/Q2PN2P/5P2/PP2BP2/2R1K1R1 w - -
+id "IQ.990"
+solution Nd6+
+go
+setboard r3r1k1/1p3pPp/p1p5/3bb2N/7q/1P1Q4/2PB2PP/4RRK1 w - -
+id "IQ.991"
+solution Rxe5
+go
+setboard 1q1rr1k1/pn5p/1p3pp1/1Q2b1B1/1P6/5B1P/P4PP1/2R1R1K1 w - -
+id "IQ.992"
+solution Rxe5 Bxf6
+go
+setboard r2qrbk1/p2b2pp/1pn1pn2/3p4/2pP1P2/2P2NN1/PPQ3PP/RBB2RK1 w - -
+id "IQ.993"
+solution Ng5
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.994"
+solution Bxa6 Bxf6
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.995"
+solution Bxa6 Bxf6
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.996"
+solution Bxa6 Bxf6
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.997"
+solution Bxa6 Bxf6
+go
+setboard r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - -
+id "IQ.998"
+solution Rxd6
+go
+setboard r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - -
+id "IQ.999"
+solution Rxd6
+go
+setboard r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - -
+id "IQ.1000"
+solution Rxd6
+go
+setboard r4rk1/5pp1/p2R1Bb1/1pq1Pp1p/7Q/1Bn5/P5PP/5R1K w - -
+id "IQ.1001"
+solution Bxg7
+go
+setboard r4rk1/5pp1/p2R1Bb1/1pq1Pp1p/7Q/1Bn5/P5PP/5R1K w - -
+id "IQ.1002"
+solution Bxg7
+go
+setboard 5r2/p4pkp/3bpNp1/q3n3/1r3B1Q/3p4/PPP2PPP/R4K1R w - -
+id "IQ.1003"
+solution Qh6+
+go
+setboard r3r3/pp2bBkp/6p1/q3p2Q/4n3/2N2R2/PPP3PP/2KR4 w - -
+id "IQ.1005"
+solution Bxg6
+go
+setboard r3r3/pp2bBkp/6p1/q3p2Q/4n3/2N2R2/PPP3PP/2KR4 w - -
+id "IQ.1006"
+solution Bxg6
+go
+setboard 5n2/3bp1r1/1r1p3k/p1p2pNp/1nP2P1P/1PN1PB1K/P5R1/6R1 w - -
+id "IQ.1007"
+solution Nf7+
+go
+setboard r2q1rk1/1p1bbppp/p1n1p3/2p1P2Q/4N3/6P1/PPPB1PBP/3RR1K1 w - -
+id "IQ.1008"
+solution Nf6+
+go
+setboard r2q1rk1/1p1bbppp/p1n1p3/2p1P2Q/4N3/6P1/PPPB1PBP/3RR1K1 w - -
+id "IQ.1009"
+solution Nf6+
+go
+setboard r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - -
+id "IQ.1010"
+solution Rxh6 Nd3
+go
+setboard r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - -
+id "IQ.1011"
+solution Rxh6 Nd3
+go
+setboard r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - -
+id "IQ.1012"
+solution Rxh6 Nd3
+go
+setboard r1b1rb2/1p3kpQ/p1p1p3/q1P1P3/3P4/4P1R1/PP4PP/R1B3K1 w - -
+id "IQ.1013"
+solution Bd2
+go
+setboard 3r1r2/p4pk1/bp2p1P1/4P2p/Pq1N1P2/2p4Q/2P3P1/3RK2R w - -
+id "IQ.1014"
+solution Qxh5
+go
+setboard 4Q2r/1b4pk/p1n1pr1p/1p2P2B/1qn5/5N2/PPP2PP1/2KRR3 w - -
+id "IQ.1015"
+solution Ng5+
+go
+setboard 3q1rk1/p1r2pp1/1p2p2p/6bn/3PNn2/1B2BP2/PP1Q1P1R/6RK w - -
+id "IQ.1016"
+solution Rxh5
+go
+setboard rr4k1/2q2ppp/p1b1p3/2b1pPPN/1p2P1R1/3B3Q/PPP4P/1K1R4 w - -
+id "IQ.1017"
+solution Nf6+
+go
+setboard 4r3/1r2ppk1/p2p1np1/2qP4/PpP5/1P1Q4/2B1R1PP/5R1K w - -
+id "IQ.1018"
+solution Rxf6
+go
+setboard 4r3/1r2ppk1/p2p1np1/2qP4/PpP5/1P1Q4/2B1R1PP/5R1K w - -
+id "IQ.1019"
+solution Rxf6
+go
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -
+id "IQ.1020"
+solution Nxh5
+go
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -
+id "IQ.1021"
+solution Qxh7+
+go
+setboard r1r2k2/1q1n1p2/3PpPp1/4P2p/pbpN3R/2N3K1/1P2Q2P/3R4 w - -
+id "IQ.1022"
+solution Rxh5
+go
+setboard 6k1/1p3r1p/r2q1Pp1/2p1n1P1/p1PpP3/P2P2Q1/1P4B1/4RRK1 w - -
+id "IQ.1023"
+solution Rf5
+go
+setboard 6k1/1p3r1p/r2q1Pp1/2p1n1P1/p1PpP3/P2P2Q1/1P4B1/4RRK1 w - -
+id "IQ.1024"
+solution Rf5
+go
+setboard 6k1/1p3r1p/r2q1Pp1/2p1n1P1/p1PpP3/P2P2Q1/1P4B1/4RRK1 w - -
+id "IQ.1025"
+solution Rf5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1026"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1027"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1028"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1029"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1030"
+solution Rxh5
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "IQ.1031"
+solution Nxh7
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "IQ.1032"
+solution Nxh7
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "IQ.1033"
+solution Nxh7
+go
+setboard r2qrnk1/1b2bppp/2p5/1p1pN1Pn/p2P1B2/3BP2P/PPQ2P2/2K3RR w - -
+id "IQ.1034"
+solution Bxh7+
+go
+setboard 3r2k1/2nqprb1/1p2p1Np/p2nP3/3pBP2/PP4RQ/1B5P/6RK w - -
+id "IQ.1035"
+solution Nf8 Nh8
+go
+setboard r4rk1/pppq2pp/1nbpp3/6B1/2PP2P1/3B3P/P1P2P2/1R1QR1K1 w - -
+id "IQ.1036"
+solution d5
+go
+setboard r4rk1/pppq2pp/1nbpp3/6B1/2PP2P1/3B3P/P1P2P2/1R1QR1K1 w - -
+id "IQ.1037"
+solution d5
+go
+setboard r1r1q2k/pp3pbp/4p3/2npPp1Q/3P1P1N/2P2RR1/P1P3PP/6K1 w - -
+id "IQ.1038"
+solution Rxg7
+go
+setboard r1r1q2k/pp3pbp/4p3/2npPp1Q/3P1P1N/2P2RR1/P1P3PP/6K1 w - -
+id "IQ.1039"
+solution Rxg7
+go
+setboard r4r1k/pbpq1p1B/1p2pp2/8/1b1P2Q1/8/PPP2PPP/2KR3R w - -
+id "IQ.1040"
+solution d5
+go
+setboard r4r1k/pbpq1p1B/1p2pp2/8/1b1P2Q1/8/PPP2PPP/2KR3R w - -
+id "IQ.1041"
+solution d5
+go
+setboard 2R5/r3b1k1/p2p4/P1pPp2p/6q1/2P2N1r/4Q1P1/5RK1 w - -
+id "IQ.1042"
+solution Nxe5
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1043"
+solution f4
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1044"
+solution f4
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1045"
+solution f4
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1046"
+solution f4
+go
+setboard 2q3k1/1p3pp1/4rbn1/r1pp1Np1/p2P4/4PN1R/PPQ2PP1/2K4R w - -
+id "IQ.1047"
+solution Ne7+
+go
+setboard 2q3k1/1p3pp1/4rbn1/r1pp1Np1/p2P4/4PN1R/PPQ2PP1/2K4R w - -
+id "IQ.1048"
+solution Ne7+
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "IQ.1049"
+solution Rxh7+ e6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "IQ.1050"
+solution Rxh7+ e6
+go
+setboard 4r3/pbrq1p1k/1p3Bpp/3pPn2/5PQ1/P6R/1P4PP/1B3RK1 w - -
+id "IQ.1051"
+solution Rh5 Qg5
+go
+setboard r1bn1r2/1pp3k1/p2p3p/6p1/2qNB3/2P2PP1/P1Q2KP1/1R5R w - -
+id "IQ.1052"
+solution Rxh6
+go
+setboard r1bn1r2/1pp3k1/p2p3p/6p1/2qNB3/2P2PP1/P1Q2KP1/1R5R w - -
+id "IQ.1053"
+solution Rxh6
+go
+setboard r4rk1/3bpp1p/pqp3p1/4P2n/2B5/1P6/PBPbQ1PP/4RR1K w - -
+id "IQ.1054"
+solution e6
+go
+setboard r4rk1/3bpp1p/pqp3p1/4P2n/2B5/1P6/PBPbQ1PP/4RR1K w - -
+id "IQ.1055"
+solution e6
+go
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -
+id "IQ.1056"
+solution Rxd3
+go
+setboard r3qrk1/1b3p2/1p1npnp1/2b1N1N1/p1P5/P1B5/1PB1QP1P/R2R2K1 w - -
+id "IQ.1057"
+solution Nd7
+go
+setboard r3nrk1/pp1q2pp/4R3/6p1/2PP4/1B3Q2/P4P1P/3R2K1 w - -
+id "IQ.1058"
+solution c5
+go
+setboard r5k1/4p2p/pp1qNnp1/2pPb3/2P1p1P1/4B3/PP1Q2P1/5R1K w - -
+id "IQ.1059"
+solution Bxc5
+go
+setboard r7/pp2pkbp/2pq2p1/8/2P2N2/1P2R1PP/P3QPK1/8 w - -
+id "IQ.1060"
+solution c5
+go
+setboard 2krb2r/p1q5/np2pPpp/n2pP3/2pP2P1/2P1N1B1/2P1Q1BK/RR6 w - -
+id "IQ.1061"
+solution Nxd5
+go
+setboard 2krb2r/p1q5/np2pPpp/n2pP3/2pP2P1/2P1N1B1/2P1Q1BK/RR6 w - -
+id "IQ.1062"
+solution Nxd5
+go
+setboard r7/1pqbr1pk/p1n4p/5p1P/2P1p3/2B3R1/PP1Q1PP1/1B2R1K1 w - -
+id "IQ.1063"
+solution Rxe4
+go
+setboard 2rq1r2/pb4k1/1p1p1p1p/n1pP1RpQ/2P1P2B/P1PB4/6PP/R5K1 w - -
+id "IQ.1064"
+solution e5
+go
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -
+id "IQ.1065"
+solution Nd6
+go
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -
+id "IQ.1066"
+solution Nd6
+go
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -
+id "IQ.1067"
+solution Bg7
+go
+setboard 5qk1/2p2r1p/p1p4P/1p6/3P4/1Q6/P1P3P1/5RK1 w - -
+id "IQ.1068"
+solution Qg3+
+go
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -
+id "IQ.1069"
+solution Ng6+
+go
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -
+id "IQ.1070"
+solution Ng6+
+go
+setboard r3b1rk/1p1qn1p1/p3p1np/3pPpBQ/3P4/3B1N1P/PP3PP1/2R2RK1 w - -
+id "IQ.1071"
+solution Bf6
+go
+setboard r3b1rk/1p1qn1p1/p3p1np/3pPpBQ/3P4/3B1N1P/PP3PP1/2R2RK1 w - -
+id "IQ.1072"
+solution Bf6
+go
+setboard r3b1rk/1p1qn1p1/p3p1np/3pPpBQ/3P4/3B1N1P/PP3PP1/2R2RK1 w - -
+id "IQ.1073"
+solution Bf6
+go
+setboard 2b2rk1/pp2R1bp/1qpp2p1/6N1/2P2PP1/3Q1B2/PP4PK/8 w - -
+id "IQ.1074"
+solution Bd5+
+go
+setboard 1q3rnk/5p2/3p1P1p/p3n3/Np1r2P1/1P1B4/1PP4Q/1K1R3R w - -
+id "IQ.1075"
+solution Qxh6+
+go
+setboard 2r3k1/1rq2p1p/pp1p1bp1/2pP2N1/2P1R3/1Q6/PP3PP1/4R1K1 w - -
+id "IQ.1076"
+solution Nxh7
+go
+setboard 3r3k/p5qp/bp2B1p1/n2P1p2/5N2/Q1R5/P4PPP/6K1 w - -
+id "IQ.1077"
+solution Qb2
+go
+setboard 3r3k/p5qp/bp2B1p1/n2P1p2/5N2/Q1R5/P4PPP/6K1 w - -
+id "IQ.1078"
+solution Qb2
+go
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -
+id "IQ.1079"
+solution Rc1
+go
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -
+id "IQ.1080"
+solution Rc1
+go
+setboard 4k3/pp2pp2/4n1p1/3RP1P1/2r1N3/P1P5/1P2q3/1K5Q w - -
+id "IQ.1081"
+solution Nc5
+go
+setboard 5rk1/1b3p1p/4pb2/2p1N2Q/1pP2p2/1P1R3P/qB3PP1/6K1 w - -
+id "IQ.1082"
+solution Rd8
+go
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -
+id "IQ.1083"
+solution Rd4
+go
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -
+id "IQ.1084"
+solution Rd4
+go
+setboard k1n1r3/p2R2bb/2p2qpp/4pp2/2P5/2B1Q1P1/PP3PBP/6K1 w - -
+id "IQ.1085"
+solution Qc5 Bxe5
+go
+setboard rr4k1/3nbp1p/p3p1p1/q2pPPP1/bp1B3R/1B2Q3/PPP4P/2K3R1 w - -
+id "IQ.1086"
+solution fxe6
+go
+setboard 7k/p2rq2p/1p3R1P/2p5/2P2P1Q/8/6PK/8 w - -
+id "IQ.1087"
+solution Qe1
+go
+setboard 7k/p2rq2p/1p3R1P/2p5/2P2P1Q/8/6PK/8 w - -
+id "IQ.1088"
+solution Qe1
+go
+setboard b1R2nk1/5ppp/1p3n2/5N2/1b2p3/1P2BP2/q3BQPP/6K1 w - -
+id "IQ.1089"
+solution Bc5
+go
+setboard 6k1/1p3ppp/1PbNp3/3rP1q1/2Q5/8/5PPP/1R4K1 w - -
+id "IQ.1090"
+solution Qxc6
+go
+setboard 6k1/1p3ppp/1PbNp3/3rP1q1/2Q5/8/5PPP/1R4K1 w - -
+id "IQ.1091"
+solution Qxc6
+go
+setboard 3r2k1/pqrP1p1p/6p1/1p6/n2Qp3/B1P1P3/P5PP/3R1RK1 w - -
+id "IQ.1092"
+solution Qf6 Bf8
+go
+setboard 4rrk1/4Qppp/p2P1n2/1p6/3p4/PB6/1PP3Pq/1K1RR3 w - -
+id "IQ.1093"
+solution Bxf7+
+go
+setboard 4rrk1/4Qppp/p2P1n2/1p6/3p4/PB6/1PP3Pq/1K1RR3 w - -
+id "IQ.1094"
+solution Bxf7+
+go
+setboard 4rrk1/4Qppp/p2P1n2/1p6/3p4/PB6/1PP3Pq/1K1RR3 w - -
+id "IQ.1095"
+solution Bxf7+
+go
+setboard 2b1r1k1/1r1n1pp1/q2p3p/1p1P4/1P1N1RPP/2Q1P3/5PBK/2R5 w - -
+id "IQ.1096"
+solution Qxc8
+go
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -
+id "IQ.1097"
+solution Qh6 Kg2
+go
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -
+id "IQ.1098"
+solution Qh6 Kg2
+go
+setboard 4r1k1/p4ppp/1p2q3/n2R4/2r1p3/Pn2B1P1/1Q2PPBP/3R2K1 w - -
+id "IQ.1099"
+solution Re5
+go
+setboard rnb3k1/6pp/p4q2/3p1N2/1p3Q2/1P6/1PP3PP/5R1K w - -
+id "IQ.1100"
+solution Nh6+
+go
+setboard r1b2r1k/2q2pp1/2pb3p/p1n1NB2/1pP5/1P5P/PBQ2PP1/3RR1K1 w - -
+id "IQ.1101"
+solution Rxd6
+go
+setboard r1b2r1k/2q2pp1/2pb3p/p1n1NB2/1pP5/1P5P/PBQ2PP1/3RR1K1 w - -
+id "IQ.1102"
+solution Rxd6
+go
+setboard 2k1r2r/2p2pb1/1pN4p/1P2P1p1/R1N5/2n5/5PPP/3R2K1 w - -
+id "IQ.1103"
+solution Ra8+
+go
+setboard 2k1r2r/2p2pb1/1pN4p/1P2P1p1/R1N5/2n5/5PPP/3R2K1 w - -
+id "IQ.1104"
+solution Ra8+
+go
+setboard 2k1r2r/2p2pb1/1pN4p/1P2P1p1/R1N5/2n5/5PPP/3R2K1 w - -
+id "IQ.1105"
+solution Ra8+
+go
+setboard 1q4r1/3Q1Npk/p6p/1p5N/8/7P/Pn3PP1/6K1 w - -
+id "IQ.1106"
+solution Qf5+
+go
+setboard 1q4r1/3Q1Npk/p6p/1p5N/8/7P/Pn3PP1/6K1 w - -
+id "IQ.1107"
+solution Qf5+
+go
+setboard r1q1r1k1/p1n1R1bp/1pp2pp1/5b2/2P2P1Q/P4NN1/1P1B2PP/2KR4 w - -
+id "IQ.1108"
+solution Nxf5
+go
+setboard r1q1r1k1/p1n1R1bp/1pp2pp1/5b2/2P2P1Q/P4NN1/1P1B2PP/2KR4 w - -
+id "IQ.1109"
+solution Nxf5
+go
+setboard 2r1k2r/1p2pp1p/2bp1p1b/p1qN4/4P3/6Q1/PPPR1PPP/1K3B1R w k -
+id "IQ.1110"
+solution Qh3
+go
+setboard 2r1k2r/1p2pp1p/2bp1p1b/p1qN4/4P3/6Q1/PPPR1PPP/1K3B1R w k -
+id "IQ.1111"
+solution Qh3
+go
+setboard r1br2k1/1pq2ppp/p3pP2/8/1n3PP1/1NpB4/PPP2Q1P/2KR2R1 w - -
+id "IQ.1112"
+solution Bxh7+
+go
+setboard 5k2/1pp2b1p/2p5/r3PPR1/pr6/2N5/1PP4P/2KR4 w - -
+id "IQ.1113"
+solution f6
+go
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
+id "IQ.1114"
+solution Bxg6
+go
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
+id "IQ.1115"
+solution Bxg6
+go
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
+id "IQ.1116"
+solution Bxg6
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1117"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1118"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1119"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1120"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1121"
+solution g5+
+go
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -
+id "IQ.1122"
+solution cxb6
+go
+setboard 5b2/pr4pk/4P1Rp/1pppBPP1/8/1P2P3/P6K/8 w - -
+id "IQ.1123"
+solution Rxh6+ gxh6
+go
+setboard 5b2/pr4pk/4P1Rp/1pppBPP1/8/1P2P3/P6K/8 w - -
+id "IQ.1124"
+solution Rxh6+ gxh6
+go
+setboard 8/kp6/4R3/1P2K3/8/3pp3/8/8 w - -
+id "IQ.1125"
+solution Kd6
+go
+setboard 5rk1/2rnqp1p/b3p1pP/2ppP3/1p3QN1/pP1P1BP1/P1P2P2/R3R1K1 w - -
+id "IQ.1126"
+solution Bxd5
+go
+setboard 5r1k/p5bp/1p6/4P3/P2B4/3n2PB/1PR4K/8 w - -
+id "IQ.1127"
+solution e6
+go
+setboard 4R3/5Bq1/7p/5p2/1n3k1B/7P/6PK/8 w - -
+id "IQ.1128"
+solution g3+
+go
+setboard 8/8/8/P2k1p2/2N5/1pb2P2/4P3/2K5 w - -
+id "IQ.1129"
+solution a6
+go
+setboard 1r1q1rk1/Nb1n1pbp/p5p1/3P4/PPB2p2/4B3/6PP/2RQ1RK1 w - -
+id "IQ.1130"
+solution Nc6
+go
+setboard b2rr1k1/P3pp2/3p2p1/1Q1Pb2p/2P4P/1R2B1P1/4qPBK/1R6 w - -
+id "IQ.1131"
+solution Qxe8+
+go
+setboard 8/5pk1/3P2p1/pQ6/P2p4/5pP1/3rqP1P/5RK1 w - -
+id "IQ.1132"
+solution d7
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1133"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1134"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1135"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1136"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1137"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1138"
+solution Bxd4+
+go
+setboard 8/5p1p/1n2p2P/1k1pPpP1/3K4/4N3/2P5/8 w - -
+id "IQ.1139"
+solution Nxf5
+go
+setboard 8/1p1b4/4p1k1/1PPp4/P4P1p/4n1p1/8/4BBK1 w - -
+id "IQ.1140"
+solution a5
+go
+setboard 8/1p1b4/4p1k1/1PPp4/P4P1p/4n1p1/8/4BBK1 w - -
+id "IQ.1141"
+solution a5
+go
+setboard 2q1n1kr/6b1/1r1p2B1/2p2pP1/2P1bP1N/1P1QB2P/6RK/1R6 w - -
+id "IQ.1142"
+solution Qxe4
+go
+setboard 5brk/2q2p1p/p3pP1B/4Pp2/8/1P1R1Q1K/P6P/8 w - -
+id "IQ.1143"
+solution Bxf8
+go
+setboard 1q4rk/6r1/2RP3p/1NR3p1/p3Qn2/P6P/6P1/6K1 w - -
+id "IQ.1144"
+solution d7
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1145"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1146"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1147"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1148"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1149"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1150"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1151"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1152"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1153"
+solution Nxd5
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1154"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1155"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1156"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1157"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1158"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1159"
+solution Bc8
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1160"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1163"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1164"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1165"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1166"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1168"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1169"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1170"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1171"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1172"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1173"
+solution Rb5
+go
+setboard 3r2k1/pp2qppp/4bn2/4p3/4P3/P1Nr4/1PQN1PPP/R4RK1 w - -
+id "IQ.1175"
+avoid Nd5
+go
+setboard 3r2k1/pp2qppp/4bn2/4p3/4P3/P1Nr4/1PQN1PPP/R4RK1 w - -
+id "IQ.1178"
+avoid Nd5
+go
+setboard r2q1rk1/3nbppp/p1bpp3/6PQ/1p1BP3/1BN5/PPP2P1P/2KR2R1 w - -
+id "IQ.1179"
+solution Rd3
+go
+setboard r3r1k1/1pq2pp1/p2pbb1p/P3n3/3NP3/2N5/1PP1B1PP/R2Q1R1K w - -
+id "IQ.1180"
+solution Rxf6
+go
+setboard r3r1k1/1pq2pp1/p2pbb1p/P3n3/3NP3/2N5/1PP1B1PP/R2Q1R1K w - -
+id "IQ.1181"
+solution Rxf6
+go
+setboard 1rb1r1k1/3n1ppp/p1p1p3/q3P3/7P/2N1Q1R1/PPP3P1/2KR1B2 w - -
+id "IQ.1182"
+solution Rxd7
+go
+setboard r2q1rk1/pp1n1p1p/2p2np1/4bQB1/3pNP2/1B5P/PP4P1/R3R1K1 w - -
+id "IQ.1183"
+solution Qxe5
+go
+setboard 2rnr2k/2qbp3/pp1p2p1/3P1p1p/1PPN1P2/5B1P/P2Q2P1/2R1R1K1 w - -
+id "IQ.1184"
+solution Bxh5
+go
+setboard 2r1r3/3qppkp/pp1p2p1/3PnP2/2PN4/1P5P/P2Q2P1/4RRK1 w - -
+id "IQ.1185"
+solution Rxe5
+go
+setboard 1n2rk2/1qr1pp2/pp1p1npp/3P4/1PPN1P2/P2QR1P1/7P/4RBK1 w - -
+id "IQ.1186"
+solution Ne6+
+go
+setboard 1r1r1n2/5pkp/4pNp1/2PpP1P1/p1bP1PP1/1qB1K3/p2Q4/3R3R w - -
+id "IQ.1187"
+solution f5
+go
+setboard 1r1r1n2/5pkp/4pNp1/2PpP1P1/p1bP1PP1/1qB1K3/p2Q4/3R3R w - -
+id "IQ.1188"
+solution f5
+go
+setboard 3r2k1/3rppb1/p1R1b1p1/qp1NP3/8/1P2QB2/P5PP/5RK1 w - -
+id "IQ.1190"
+solution Rxe6
+go
+setboard r2qnrk1/pp2ppb1/3p3B/2p5/7Q/1PNP3b/1PP3PP/R4RK1 w - -
+id "IQ.1191"
+solution Ne4
+go
+setboard r4bk1/pbq2pp1/1pn1p2p/8/4N3/1P2P1P1/PB2QPBP/3R2K1 w - -
+id "IQ.1192"
+solution Nf6+
+go
+setboard r4bk1/pbq2pp1/1pn1p2p/8/4N3/1P2P1P1/PB2QPBP/3R2K1 w - -
+id "IQ.1194"
+solution Nf6+
+go
+setboard rq2r1k1/pp2RNp1/1bp2n1p/8/1Q6/7P/PPB2PP1/5RK1 w - -
+id "IQ.1195"
+solution Nxh6+
+go
+setboard r4rk1/p1p2pp1/1bp1b2p/3q2B1/Pn1PN3/5N2/1P1Q1PPP/R3R1K1 w - -
+id "IQ.1196"
+solution Bxh6 Be7
+go
+setboard r4rk1/p1p2pp1/1bp1b2p/3q2B1/Pn1PN3/5N2/1P1Q1PPP/R3R1K1 w - -
+id "IQ.1197"
+solution Bxh6 Be7
+go
+setboard r1b2rk1/2q1bppp/p2pp3/2n3PQ/1p1BP3/1BN5/PPP2P1P/2KR2R1 w - -
+id "IQ.1198"
+solution Bf6
+go
+setboard r3k2r/1bqnBppp/p3p3/1p2P3/3N2Q1/3B4/PPP3PP/2KnR3 w kq -
+id "IQ.1199"
+solution Nxe6
+go
+setboard r1bqkn1r/p3bpp1/1p2pn1p/2pPN1B1/2P5/3B2N1/PP3PPP/R2QR1K1 w kq -
+id "IQ.1200"
+solution Nf5 Nh5 dxe6
+go
+setboard r3kb1r/2q2ppp/pn2p3/4P3/pPPN4/P3BQ2/6PP/R4RK1 w kq -
+id "IQ.1201"
+solution Nxe6 Rf2 Rad1
+go
+setboard r4k1r/pp3pb1/2p3p1/3nNb1q/7p/1BB1Q2P/PP3PP1/3RR1K1 w - -
+id "IQ.1202"
+solution Rxd5 Bxd5 Qc5+
+go
+setboard 4k1r1/1q1r1p2/4pQp1/3pP1B1/2p3P1/1nP2BP1/1P5K/3R4 w - -
+id "IQ.1203"
+solution Bxd5
+go
+setboard 4k1r1/1q1r1p2/4pQp1/3pP1B1/2p3P1/1nP2BP1/1P5K/3R4 w - -
+id "IQ.1204"
+solution Bxd5
+go
+setboard 2b2k1r/5ppp/1b6/q1p1PP2/3Np1Q1/1PP5/6PP/1N3RK1 w - -
+id "IQ.1205"
+solution Ne6+
+go
+setboard 1r5r/p2bbk1p/4pnp1/q1ppQ1B1/7P/2N3P1/PPP2PB1/1K1R3R w - -
+id "IQ.1206"
+solution Nxd5
+go
+setboard r2qk2r/1b1n1p2/p6n/1pp1p1Np/4P2P/2QBNP2/PPP5/2KR2R1 w kq -
+id "IQ.1210"
+solution Bxb5 Bc4 Bf1
+go
+setboard rn1qk2r/pbp2p2/1p3ppb/7p/2BP1N1P/2N1P3/PP3PP1/R2QK2R w KQkq -
+id "IQ.1211"
+solution Bxf7+
+go
+setboard r1b2k1r/p2n1pp1/1q2p3/2ppP1B1/1b1N1Q1P/2N5/PPP2P2/R3K1R1 w Q -
+id "IQ.1212"
+solution Bd8
+go
+setboard r4b1r/pp3kpp/1qp1Rn2/8/8/5Q1P/PPPB1PP1/2KR4 w - -
+id "IQ.1213"
+solution Rxf6+
+go
+setboard 7r/1Qrk1pbp/p2pp1p1/6P1/5PB1/1P6/q1P4P/2KR2BR w - -
+id "IQ.1214"
+solution Rxd6+
+go
+setboard r3k2r/2pb1npp/ppp5/2q1p3/2N1P3/1QP2N1P/PP3PP1/R2R2K1 w kq -
+id "IQ.1215"
+solution Rxd7 Qb4
+go
+setboard r3kb1r/pp3p1p/4pp2/q2pN3/2P5/8/PP3PPP/R2QR1K1 w kq -
+id "IQ.1216"
+solution Nxf7
+go
+setboard r3kbnr/p4p2/1p2p2p/3qP1p1/3Nn1QB/8/PP2NPPP/R4RK1 w kq -
+id "IQ.1217"
+solution Nxe6
+go
+setboard r1b1k1nr/2R1b1pp/1p2pp2/1N2p3/q3P3/3Q1N2/PP3PPP/3R2K1 w kq -
+id "IQ.1218"
+solution b3 Nd6+
+go
+setboard r1b1k1nr/2R1b1pp/1p2pp2/1N2p3/q3P3/3Q1N2/PP3PPP/3R2K1 w kq -
+id "IQ.1219"
+solution b3 Nd6+
+go
+setboard r1b1k1nr/2R1b1pp/1p2pp2/1N2p3/q3P3/3Q1N2/PP3PPP/3R2K1 w kq -
+id "IQ.1221"
+solution b3 Nd6+
+go
+setboard r1bqr1k1/1p1nbppp/p1n1p3/3pP2Q/3N1P2/1BN1B3/PPP3PP/R4RK1 w - -
+id "IQ.1222"
+solution Nxd5
+go
+setboard 2r1r1k1/5ppp/pq3b2/2pB1P2/2p2B2/5Q1P/Pn3PP1/2R1R1K1 w - -
+id "IQ.1223"
+solution Bxf7+
+go
+setboard rn1q1rk1/1b2bppp/p3p3/1pn1P2Q/3N4/1BN1B3/PPP3PP/R4RK1 w - -
+id "IQ.1224"
+solution Rxf7
+go
+setboard 2r1r3/pbq1bpk1/1pn3p1/6Bp/4Q3/PB3N2/1P3PPP/R3R1K1 w - -
+id "IQ.1225"
+solution Bxf7
+go
+setboard 2rq1rk1/1b3pb1/5np1/1pn1p1Np/4P2Q/2N1B3/BPP3PP/R4R1K w - -
+id "IQ.1226"
+solution Nxf7
+go
+setboard 4r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1 w - -
+id "IQ.1227"
+solution Rxg6+
+go
+setboard 4r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1 w - -
+id "IQ.1228"
+solution Rxg6+
+go
+setboard 4r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1 w - -
+id "IQ.1229"
+solution Rxg6+
+go
+setboard r5k1/1p3p1p/p1pqrPp1/3bN3/8/P1P3Q1/1P4PP/4RRK1 w - -
+id "IQ.1231"
+solution Nxf7
+go
+setboard rnb2rk1/pp3p1p/3q2pQ/3pN3/2pP4/2PB4/P1P2PPP/4RRK1 w - -
+id "IQ.1232"
+solution Nxf7
+go
+setboard r2r1bk1/1ppq2pp/2p2B2/p1n2N1b/P3P1R1/3PN3/2P3PP/R2Q2K1 w - -
+id "IQ.1233"
+solution Ne7+
+go
+setboard r2r1bk1/1ppq2pp/2p2B2/p1n2N1b/P3P1R1/3PN3/2P3PP/R2Q2K1 w - -
+id "IQ.1234"
+solution Ne7+
+go
+setboard r4rk1/pp2bpp1/1qp1b2p/4B2Q/n7/3B4/PPP2PPP/3RR1K1 w - -
+id "IQ.1236"
+solution Bxg7
+go
+setboard r4rk1/pp2bpp1/1qp1b2p/4B2Q/n7/3B4/PPP2PPP/3RR1K1 w - -
+id "IQ.1237"
+solution Bxg7
+go
+setboard 5Q2/pp1b2pk/1n1p2rp/2pP1p2/2P2P2/q1BB4/6PP/4R1K1 w - -
+id "IQ.1238"
+solution Bxg7
+go
+setboard 5Q2/pp1b2pk/1n1p2rp/2pP1p2/2P2P2/q1BB4/6PP/4R1K1 w - -
+id "IQ.1239"
+solution Bxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1240"
+solution Rxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1241"
+solution Rxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1242"
+solution Rxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1243"
+solution Rxg7
+go
+setboard r1b2k1r/1p4pp/p4B2/2bpN3/8/q2n4/P1P2PPP/1R1QR1K1 w - -
+id "IQ.1244"
+solution Bxg7+ Qh5
+go
+setboard 1r3r1k/1b2bppp/p1qp4/5PP1/1p1B3Q/1PN2R2/1PP4P/5RK1 w - -
+id "IQ.1245"
+solution Bxg7+
+go
+setboard r2b1rk1/2q2ppp/p3b3/1pn1pNB1/4Pn1Q/P1NB4/1PP3PP/R4R1K w - -
+id "IQ.1246"
+solution Nxg7
+go
+setboard 6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - -
+id "IQ.1247"
+solution Qe8+
+go
+setboard r4rk1/1bpq1ppp/3p1b2/2nP1N2/8/1p3Q1P/PPB2PP1/R1B1R1K1 w - -
+id "IQ.1248"
+solution Nxg7
+go
+setboard r2q1rk1/pp1b1Rp1/4p2p/4PnNQ/2pP4/2P1B3/P5PP/5RK1 w - -
+id "IQ.1249"
+solution R1xf5
+go
+setboard r4r1k/pbq2pp1/1p2p2p/4P3/2pP3Q/P1P3RP/R4P1P/1B4K1 w - -
+id "IQ.1250"
+solution Rxg7
+go
+setboard 2r2bk1/1bq1rppp/pp1p4/4n1P1/Pn1BP1N1/2N3Q1/1PP2RBP/5RK1 w - -
+id "IQ.1251"
+solution Bxe5
+go
+setboard r1b2rk1/pppn2bp/3p1qp1/3p2N1/3P4/3BB3/PPP2PPP/R2QR1K1 w - -
+id "IQ.1252"
+solution Nxh7
+go
+setboard rnb3kr/1p1nqppp/p3p3/2ppP3/3P1N2/2NB1Q2/PPP2PP1/R3K2R w KQ -
+id "IQ.1253"
+solution Bxh7+
+go
+setboard r1qr2k1/p3bppp/b1p5/3nN3/NP1P4/P3B3/5PPP/1B1QR1K1 w - -
+id "IQ.1254"
+solution Bxh7+
+go
+setboard 3r1rk1/1bq1bp1p/p3p1p1/3pP3/3N1P2/2PBB2R/n1P1Q1PP/5RK1 w - -
+id "IQ.1255"
+solution Rxh7
+go
+setboard r1qb1rk1/5ppp/p1n5/1ppNP1P1/2p2P1P/P4Q2/1P6/1B1R1RK1 w - -
+id "IQ.1256"
+solution Bxh7+
+go
+setboard 2r1r1k1/pbq2ppp/1p2pn2/2b1N3/2P5/2B5/PPB1QPPP/3RR1K1 w - -
+id "IQ.1257"
+solution Bxh7+
+go
+setboard 1q1r2k1/pb2b1pp/1p3p2/3P4/1n1QB3/5N2/PB3PPP/2R4K w - -
+id "IQ.1258"
+solution Bxh7+
+go
+setboard 1q1r2k1/pb2b1pp/1p3p2/3P4/1n1QB3/5N2/PB3PPP/2R4K w - -
+id "IQ.1259"
+solution Bxh7+
+go
+setboard 2r5/3nr1pk/p2qpp1p/1p5Q/3P1PN1/2P3RP/P5PK/4R3 w - -
+id "IQ.1260"
+solution Nxh6
+go
+setboard r1q2r1k/p1ppb1p1/1p2p1Qp/3n3P/3PN3/2P1B3/PP3PP1/3R1RK1 w - -
+id "IQ.1261"
+solution Bxh6
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.1262"
+solution Qh6+
+go
+setboard r4rk1/pp2qpp1/2p1bn1p/8/1bP4Q/5N1P/PPB2PP1/R1BR2K1 w - -
+id "IQ.1263"
+solution Bxh6
+go
+setboard 2r5/1p4bk/3p2rp/4pN2/1P2P1pR/2P2q2/QP6/1K5R w - -
+id "IQ.1264"
+solution Rxh6+
+go
+setboard 2r2rk1/1bq1bpp1/pn2p2p/1pn3P1/3NNP1Q/P6R/1PP3BP/R1B4K w - -
+id "IQ.1265"
+solution Nf6+
+go
+setboard 4rb2/1p1q1ppk/p1n1p2p/2p1Pn2/3PNR2/2P2K2/P2QBP2/6R1 w - -
+id "IQ.1266"
+solution Rxf5
+go
+setboard r6r/pb1R1pk1/1p2p1pp/3nP3/4N2Q/4B3/P3qPPP/3R2K1 w - -
+id "IQ.1267"
+solution Bxh6+
+go
+setboard rq1n1bk1/3b1pp1/3p3p/pppP3N/8/1P4PP/PBPQ1PB1/4R1K1 w - -
+id "IQ.1268"
+solution Qxh6
+go
+setboard 2rq1rk1/pp3pp1/4pb1p/3bN3/3P4/PnPB3R/2Q2PPP/R1B3K1 w - -
+id "IQ.1269"
+solution Bh7+
+go
+setboard 2r2rk1/p1n3pp/1p2p3/1q1pQP2/3Pn3/6N1/PP4PP/R1B2RK1 w - -
+id "IQ.1270"
+solution Bh6
+go
+setboard 4rr1k/pp4b1/4P2p/5p1R/3q4/3B2P1/PP1R4/1K5Q w - -
+id "IQ.1271"
+solution Rxh6+
+go
+setboard 1r2b3/pp1rqppk/3b3p/3Bp2Q/4P1N1/5R1P/PP3PP1/3R2K1 w - -
+id "IQ.1272"
+solution Rf6
+go
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -
+id "IQ.1273"
+solution Bxh6
+go
+setboard r2q1rk1/3nbpp1/4p2p/p1p1P3/1p1P3P/3B1b1R/PPQB1PP1/R3K3 w - -
+id "IQ.1274"
+solution Bxh6
+go
+setboard r1r1n3/5p1k/1n1P2pp/ppq1pN2/2p1P3/1PP1R2P/P1B2QPK/5R2 w - -
+id "IQ.1275"
+solution Nxh6
+go
+setboard r1n1nrk1/p4p1p/1q4pQ/2p1pN2/1pB1P1P1/5P2/PPP4P/1K1R3R w - -
+id "IQ.1276"
+solution Rd6 Rhg1
+go
+setboard r3r3/2qn1Qbk/b2p2pp/1npP4/1p6/3NB1NP/1P1R2P1/1B2R1K1 w - -
+id "IQ.1277"
+solution Qxg6+
+go
+setboard 1b4k1/1pnq1r1p/4p1p1/1pPpP2Q/1P5B/3BPP2/7P/6RK w - -
+id "IQ.1278"
+solution Bxg6
+go
+setboard 2r2rn1/p3q1bk/n2p2pp/1b1PPp2/1pp2P1N/1P2N1P1/P1QB2BP/4RRK1 w - -
+id "IQ.1279"
+solution Nxg6
+go
+setboard r2q1r1k/p3pn1p/3p2pQ/1ppP1p1n/4P3/2N2P2/PPP1BP2/2K3RR w - -
+id "IQ.1280"
+solution Qxg6
+go
+setboard 4Q3/p4pk1/2p3p1/8/3P1N2/4PBR1/q4P1K/r3r3 w - -
+id "IQ.1281"
+solution Rxg6+ Qe5+
+go
+setboard 2r1r1k1/4qpb1/p2p2p1/1p1Pn1P1/3BB3/P1P5/1P4Q1/1K2R2R w - -
+id "IQ.1282"
+solution Bxg6 Qh2 Qh3
+go
+setboard 2r1r1k1/4qpb1/p2p2p1/1p1Pn1P1/3BB3/P1P5/1P4Q1/1K2R2R w - -
+id "IQ.1283"
+solution Bxg6 Qh2 Qh3
+go
+setboard 5r2/1pr1ppk1/1n1q2p1/p2P3p/5R2/1BP1RQ2/5PP1/6K1 w - -
+id "IQ.1284"
+solution Re6
+go
+setboard 4rbk1/n2n3p/b1q1p1p1/1p1pP1B1/1PrP1N2/1R3NP1/3Q1PB1/R5K1 w - -
+id "IQ.1285"
+solution Nxg6 Bf1
+go
+setboard 4rbk1/n2n3p/b1q1p1p1/1p1pP1B1/1PrP1N2/1R3NP1/3Q1PB1/R5K1 w - -
+id "IQ.1286"
+solution Nxg6 Bf1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1287"
+solution Nxf6+ Rg1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1288"
+solution Nxf6+ Rg1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1289"
+solution Nxf6+ Rg1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1290"
+solution Nxf6+ Rg1
+go
+setboard 8/7p/2k1Pp2/pp1p2p1/3P2P1/4P3/P3K2P/8 w - -
+solution e4
+id "PET001: Pawn endgame"
+go
+setboard 8/1p4kP/5pP1/3p4/8/4P3/7K/8 w - -
+solution e4
+id "PET002: Pawn endgame"
+go
+setboard 8/8/8/pPk3pp/2P1p3/1pK3P1/5PP1/8 w - -
+solution g4
+id "PET003: Pawn endgame"
+go
+setboard 6k1/3p4/3p4/3P4/4P1p1/6P1/8/K7 w - -
+solution Kb1
+id "PET004: Pawn endgame"
+go
+setboard 8/p7/1p2k1p1/8/1p2p1Pp/3pP2P/PP6/5K2 w - -
+solution b3
+id "PET005: Pawn endgame"
+go
+setboard 8/p7/1p2k1p1/8/1p2p1Pp/3pP2P/PP6/5K2 b - -
+solution b3
+id "PET006: Pawn endgame"
+go
+setboard 8/7p/p3pk2/1p5P/3K1P2/1P6/P7/8 w - -
+solution a4
+id "PET007: Pawn endgame"
+go
+setboard 8/8/1p3p2/p3k1pp/4P2P/P3K1P1/1P6/8 w - -
+solution g4
+id "PET008: Pawn endgame"
+go
+setboard 8/8/p3k1p1/1pp5/4KP2/1P6/P5P1/8 w - -
+solution g4
+id "PET009: Pawn endgame"
+go
+setboard 8/1p3p2/p4kpp/1PPp4/P7/7P/5K1P/8 b - -
+solution Ke6
+solution Ke7
+id "PET010: Pawn endgame"
+go
+setboard 8/6p1/7p/p1N5/6PP/2k5/8/3K4 b - -
+solution a4
+id "PET011: pawns vs N"
+go
+setboard 8/8/8/5Bp1/7k/8/4pPKP/8 w - -
+solution Bg4
+id "PET012: pawns vs B"
+go
+setboard 8/8/2p5/pkp3R1/7B/P7/2p3K1/8 w - -
+solution a4+
+id "PET013: pawns vs R+B"
+go
+setboard 8/6k1/6p1/2n2PP1/3N3p/3pK3/8/8 b - -
+solution d2
+id "PET014: Knight endgame"
+go
+setboard 8/1N6/1p1P1n2/p1p1p3/P1P5/1P2k3/2K5/8 w - -
+solution Nxc5
+id "PET015: Knight endgame"
+go
+setboard 4k3/B1p4p/8/p2n1p2/5P2/5P2/1P2K2P/8 w - -
+avoid Be3
+id "PET016: bishop vs knight"
+go
+setboard 8/8/p2k1p2/1p1p3p/1P1P3p/P3NPP1/5K2/1b6 w - -
+solution Ng2
+id "PET017: bishop vs knight"
+go
+setboard 8/3k4/3b4/1K6/7p/5B1P/PP6/8 w - -
+solution b4
+id "PET018: opposite bishops"
+go
+setboard 8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - -
+solution Bh3
+id "PET019: opposite bishops"
+go
+setboard 8/4k1p1/1p2B2p/4p3/8/4P2P/1PP1KbP1/8 b - -
+avoid Bxe3
+id "PET020: opposite bishops"
+go
+setboard 5k2/8/4b3/1B5P/8/8/5pPP/5K2 b - -
+solution Bh3
+id "PET021: bishop endgame"
+go
+setboard 8/2B5/1p1p4/1PkP1p2/P4P2/5P2/1p6/bK6 w - -
+solution Bd8
+id "PET022: bishop endgame"
+go
+setboard 8/2p1bpp1/2Pp4/p2P1P1p/2K2B1P/k5P1/8/8 w - -
+solution f6
+id "PET023: bishop endgame"
+go
+setboard 8/4ppbk/p5pp/3pP3/3B4/5P1P/PP3P2/6K1 b - -
+avoid g5
+id "PET024: bishop endgame"
+go
+setboard 4K3/2k1Bp1N/6p1/5PP1/8/7p/b7/8 w - -
+solution Bf6
+id "PET025: BN vs B"
+go
+setboard 8/5k2/4p3/4Pp1p/5P1P/3Rn2K/6p1/8 b - -
+solution g1=B
+id "PET026: rook vs knight"
+go
+setboard 5k2/8/8/3R4/6K1/8/3b2pP/8 w - -
+solution Rf5+
+id "PET027: rook vs bishop"
+go
+setboard 8/4kp2/4p1p1/2p1r3/PpP5/3R4/1P1K1PP1/8 w - -
+solution g4
+id "PET028: rook endgame"
+go
+setboard 1r3k2/5pp1/3p2p1/8/3P4/P6P/2R2P1K/8 b - -
+solution Ra8
+id "PET029: rook endgame"
+go
+setboard 5k2/p1p4R/1pr5/3p1pP1/P2P1P2/2P2K2/8/8 w - -
+solution Kg3
+id "PET030: rook endgame"
+go
+setboard 8/1r3pkp/8/5p2/8/5PP1/1P1R3P/6K1 b - -
+solution f4
+id "PET031: rook endgame"
+go
+setboard 8/5pk1/r5pp/P7/3R3P/6P1/5PK1/8 w - -
+solution Ra4
+id "PET032: rook endgame"
+go
+setboard 8/4k3/2P2p2/6p1/1P4R1/4K3/7r/8 w - -
+solution Rd4
+id "PET033: rook endgame"
+go
+setboard 3r4/7p/Rp4k1/5p2/4p3/2P5/PP3P1P/5K2 b - -
+solution Rd2
+id "PET034: rook endgame"
+go
+setboard 8/8/p2k3p/1P1p1pp1/P1r5/1R1K1PP1/7P/8 b - -
+solution a5
+id "PET035: rook endgame"
+go
+setboard 8/1r3pkp/R7/6Pp/8/4P3/5PK1/8 b - -
+solution Re7
+id "PET036: rook endgame"
+go
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -
+solution Rxb2
+id "PET037: RN vs RB"
+go
+setboard 4k3/2p1b3/4p1p1/1pp1P3/5PP1/1PBK4/r1P2R2/8 b - -
+solution c4+
+id "PET038: RB vs RB"
+go
+setboard 1r6/1pb1k1p1/4p2p/1p1p4/3Pp2P/1R2P1PB/1P2PK2/8 b - -
+solution b4
+id "PET039: RB vs RB"
+go
+setboard 8/8/5P1k/8/2K5/pr2r3/4R3/2R5 w - -
+solution f7
+id "PET042: double rook endgame"
+go
+r5k1/5pp1/1P5p/3R4/2r5/P3P3/2p2PPP/2R3K1 b - -
+solution Rxa3
+id "PET043: double rook endgame"
+go
+setboard 1r6/Rp2rp2/1Pp2kp1/N1Pp3p/3Pp1nP/4P1P1/R4P2/6K1 w - -
+solution Nxb7
+solution Rxb7
+id "PET044: RRN vs RRN"
+go
+setboard 5k2/4p3/3p2Q1/3Pq1pP/5pP1/2P4K/8/8 w - -
+solution Qf5+
+id "PET045: Queen endgame"
+go
+setboard 8/8/1P1k2p1/8/5P1p/4Qb2/1q4PK/8 w - -
+solution Qe5+
+id "PET046: Q+B vs Q"
+go
+setboard 8/p4k2/1p1p1qp1/1P1P4/P5P1/7P/4Q1K1/2b5 b - -
+avoid Qb2
+id "PET047: Q+B vs Q"
+go
+setboard 6qk/1p4pn/8/3p4/2P5/p3P1P1/P1Q3K1/1B6 w - -
+avoid Qxh7+
+id "PET048: Q+B vs Q+N"
+go
+setboard 1Q6/Nn3pbp/2N2p2/1Pqk1P1P/8/8/6P1/7K w - -
+avoid Qxb7
+id "PET049: QNN vs QBN"
+go
+setboard 7k/7p/1p4p1/n2p4/1K1p3R/2NB4/3Q1P2/q1r5 w - -
+solution Rxh7+
+id "PET050: QNBR vs QNR"
+go
+version
+
+setboard 1n1r1rk1/ppq2ppp/3p2b1/3B1NP1/4PB1R/bP2P2P/P1P5/3KQ1R1 w - -
+id Quick-01
+solution Qc3
+go
+setboard 1n1r1rk1/ppq2ppp/3p2b1/3B1NP1/4PB1R/bP2P2P/P1P5/3KQ1R1 w - -
+id Quick-02
+solution Qc3
+go
+setboard 3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - -
+id Quick-03
+solution Qa8
+go
+setboard 4qrk1/3nppb1/R1Np2p1/3P2P1/1Pr5/4B3/5Q1P/5R1K w - -
+id Quick-04
+solution Ra8
+go
+setboard r3r3/2R2pk1/p2p1bpp/3P4/q2pQ3/5N1P/5PP1/1R4K1 w - -
+id Quick-05
+solution Rxf7+
+go
+setboard r3r3/2R2pk1/p2p1bpp/3P4/q2pQ3/5N1P/5PP1/1R4K1 w - -
+id Quick-06
+solution Rxf7+
+go
+setboard r5k1/Rb4p1/2q2pBp/1pp5/1b4QN/1P2P2P/5PP1/6K1 w - -
+id Quick-07
+solution Rxb7
+go
+setboard 3R4/5r1p/5ppk/8/1Q3PPq/5P2/6K1/8 w - -
+id Quick-08
+solution Rg8
+go
+setboard 2kr3r/ppp3pp/2pbbn2/4N3/3Pp3/2P3Pq/PP1NQP1P/R1B2RK1 w - -
+id Quick-09
+avoid Nxe4
+go
+setboard 2r3k1/pp1bpp1p/3p1npQ/q1r5/4P1P1/2NR1P2/PPP1N3/2K4R w - -
+id Quick-10
+solution g5
+go
+setboard r1b2rk1/pp3p2/2p2bpQ/8/1q1P4/2N2N2/Pn3PPP/1B1RR1K1 w - -
+id Quick-11
+solution Bxg6
+go
+setboard r2qk2r/1p1bbp2/1P2p3/p2pPp2/n2N1N1p/3PB3/5QPP/R4RK1 w kq -
+id Quick-12
+solution Rxa4
+go
+setboard 3r1n1r/1p2q1k1/p1p1P1p1/3n4/5Pp1/P5N1/1P3QP1/1BR1R1K1 w - -
+id Quick-13
+solution Bxg6
+go
+setboard r2q1rk1/p1p3pp/b2bp3/2pp4/6p1/2NPPN2/PPP2PP1/R1BQR1K1 w - -
+id Quick-14
+solution Ne5
+go
+setboard r2q1rk1/p1p3pp/b2bp3/2pp4/6p1/2NPPN2/PPP2PP1/R1BQR1K1 w - -
+id Quick-15
+solution Ne5
+go
+setboard 3k4/p7/K3BP2/8/7p/8/2P4P/8 w - -
+id Quick-16
+solution Kb7
+go
+setboard rq4k1/pp1nrppp/4bn2/6R1/3QP3/P4PN1/4B1PP/2B2RK1 w - -
+id Quick-17
+solution Rxg7+
+go
+setboard 2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - -
+id Quick-18
+solution Qb4
+go
+setboard 2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - -
+id Quick-19
+solution Qb4
+go
+setboard 2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - -
+id Quick-20
+solution Qb4
+go
+setboard r1b1kb1r/2q2ppp/p2ppP2/1pn3P1/3NP3/2N2Q2/PPP4P/2KR1B1R w kq -
+id Quick-21
+solution Bxb5+
+go
+setboard r1b1kb1r/2q2ppp/p2ppP2/1pn3P1/3NP3/2N2Q2/PPP4P/2KR1B1R w kq -
+id Quick-22
+solution Bxb5+
+go
+setboard r1b1kb1r/2q2ppp/p2ppP2/1pn3P1/3NP3/2N2Q2/PPP4P/2KR1B1R w kq -
+id Quick-23
+solution Bxb5+
+go
+setboard 3B4/1R3p1k/2p4p/2Pp3r/3P4/4Q1K1/6P1/3b1q2 w - -
+id Quick-24
+solution Bf6
+go
+setboard
+id "ST3_01 - Entwicklung"
+
+go
+setboard
+id "ST3_02 - Entwicklung"
+
+go
+setboard
+id "ST3_03 - Entwicklung"
+
+go
+setboard
+id "ST3_04 - Koenigssicherheit"
+
+go
+setboard r2qr1k1/pp3pbp/2n3p1/1N1p4/2P2Pb1/5N2/PP1QBPPP/2KR3R w - -
+id "ST3_05 - Koenigssicherheit"
+avoid cxd5
+go
+setboard r2qr1k1/pp3pbp/2n3p1/1N1p4/2P2Pb1/5N2/PP1QBPPP/2KR3R w - -
+id "ST3_06 - Koenigssicherheit"
+avoid cxd5
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_07 - Koenigssicherheit"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_08 - Koenigssicherheit"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_09 - Koenigssicherheit"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_10 - Trojaner"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_11 - Trojaner"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_12 - Vergifteter Bauer"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_13 - Vergifteter Bauer"
+avoid O-O
+go
+setboard 3r1rk1/4bppp/p1pq1n2/3p1P2/4p2B/2N5/PPP1QPPP/R3R1K1 w - -
+id "ST3_14 - Vergifteter Bauer"
+avoid Qxa6
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_15 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_16 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_17 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_18 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r1bq1rk1/ppp1n1bp/3p4/3Ppnp1/2P1N3/1Q4BP/PP1NBPP1/R3K2R w KQ -
+id "ST3_19 - Vergifteter Bauer"
+avoid Nxg5
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_20 - Dame vs Tuerme"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_21 - Dame vs Tuerme"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_22 - Laeuferopfer"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_23 - Laeuferopfer"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_24 - Springeropfer"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_25 - Springeropfer"
+avoid Qxa8
+go
+setboard r5k1/1qr1bpp1/3pb1n1/4p1Pp/Np2P2P/1P1B1P2/P1P1Q3/BK1R3R w - -
+id "ST3_26 - Qualitaetsopfer"
+avoid Qe3
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_27 - Qualitaetsopfer"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_28 - Qualitaetsopfer"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_29 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_30 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_31 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_32 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_33 - Verteidigung"
+avoid Qxb7
+go
+setboard 2r1qrk1/p3b1pp/4b3/1pP5/PQpP1p2/4B3/4BPPP/R4RK1 w - -
+id "ST3_34 - Verteidigung"
+avoid Bd2
+go
+setboard 1r5r/4qp1k/pn2p1b1/4P3/P4Q2/1R5P/1P2NPP1/3R2K1 w - -
+id "ST3_35 - Verteidigung"
+avoid Nd4 Qg4
+go
+setboard r1bqkb1r/ppp2p1p/2n3p1/3np1NQ/2B5/8/PPPP1PPP/RNB1K2R w KQkq -
+id "ST3_36 - Verteidigung"
+avoid Qf3
+go
+setboard N4bk1/5pp1/6qp/2n5/6b1/6P1/PP3KBP/2R1Q3 w - -
+id "ST3_37 - Verteidigung"
+avoid Qe3
+go
+setboard 4rrk1/q6p/8/p2P1p2/2PbB3/8/PPQ2N1P/5RK1 w - -
+id "ST3_38 - Verteidigung"
+avoid Bd3
+go
+setboard 2kr1b1r/pp1b3p/1qn1pp2/3p3n/2pPP1p1/2P2NB1/PPBN1PPP/RQ2K2R w KQ -
+id "ST3_39 - Verteidigung"
+avoid Nh4
+go
+setboard 3r1rk1/2q3p1/8/1p1bp3/8/PP4P1/4Q2P/R1B1R1K1 w - -
+id "ST3_40 - Verteidigung"
+avoid Bg5
+go
+setboard 1r2r1k1/Nb1n1ppp/4q3/8/2p1n3/P4Q2/BB3PPP/1R1R2K1 w - -
+id "ST3_41 - Verteidigung"
+avoid Nb5
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_42 - Verteidigung"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_43 - Verteidigung"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_44 - Endspiel B vs B"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_45 - Endspiel B vs B"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_46 - Endspiel B vs S"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_47 - Endspiel D vs D"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_48 - Endspiel D vs D"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_49 - Endspiel D&T vs D&T"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_50 - Endspiel L vs B"
+avoid Qa3
+go
+setboard 8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - -
+id "ST3_51 - Endspiel L vs L"
+avoid Kd7
+go
+setboard 8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - -
+id "ST3_52 - Endspiel L vs L"
+avoid Kd7
+go
+setboard 8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - -
+id "ST3_53 - Endspiel L vs L"
+avoid Kd7
+go
+setboard 6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - -
+id "ST3_54 - Endspiel S vs L"
+avoid Ng5
+go
+setboard 6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - -
+id "ST3_55 - Endspiel S&B vs L&S"
+avoid Ng5
+go
+setboard 6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - -
+id "ST3_56 - Endspiel T vs T"
+avoid Ng5
+go
+setboard 8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - -
+id "ST3_57 - Endspiel T vs T"
+avoid Rh6
+go
+setboard 8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - -
+id "ST3_58 - Endspiel T vs T"
+avoid Rh6
+go
+setboard 8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - -
+id "ST3_59 - Endspiel T vs T"
+avoid Rh6
+go
+setboard 2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - -
+id "ST3_60 - Endspiel T vs T"
+avoid f8=Q
+go
+setboard 2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - -
+id "ST3_61 - Endspiel T vs T"
+avoid f8=Q
+go
+setboard 2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - -
+id "ST3_62 - Endspiel T&L vs T&L"
+avoid f8=Q
+go
+setboard 8/3b1p2/3Pk3/R1K4p/8/6r1/8/2B5 w - -
+id "ST3_63 - Endspiel T&L vs T&L"
+avoid Ra3
+go
+setboard 8/3b1p2/3Pk3/R1K4p/8/6r1/8/2B5 w - -
+id "ST3_64 - Endspiel T&L vs T&S"
+avoid Ra3
+go
+setboard 2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/R4RK1 w - -
+solution Qg6
+id "WAC.001"
+go
+setboard 8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - -
+solution Rxb2
+id "WAC.002"
+go
+setboard 5rk1/1ppb3p/p1pb4/6q1/3P1p1r/2P1R2P/PP1BQ1P1/5RKN w - -
+solution Rg3
+id "WAC.003"
+go
+setboard r1bq2rk/pp3pbp/2p1p1pQ/7P/3P4/2PB1N2/PP3PPR/2KR4 w - -
+solution Qxh7+
+id "WAC.004"
+go
+setboard 5k2/6pp/p1qN4/1p1p4/3P4/2PKP2Q/PP3r2/3R4 b - -
+solution Qc4+
+id "WAC.005"
+go
+setboard 7k/p7/1R5K/6r1/6p1/6P1/8/8 w - -
+solution Rb7
+id "WAC.006"
+go
+setboard rnbqkb1r/pppp1ppp/8/4P3/6n1/7P/PPPNPPP1/R1BQKBNR b KQkq -
+solution Ne3
+id "WAC.007"
+go
+setboard r4q1k/p2bR1rp/2p2Q1N/5p2/5p2/2P5/PP3PPP/R5K1 w - -
+solution Rf7
+id "WAC.008"
+go
+setboard 3q1rk1/p4pp1/2pb3p/3p4/6Pr/1PNQ4/P1PB1PP1/4RRK1 b - -
+solution Bh2+
+id "WAC.009"
+go
+setboard 2br2k1/2q3rn/p2NppQ1/2p1P3/Pp5R/4P3/1P3PPP/3R2K1 w - -
+solution Rxh7
+id "WAC.010"
+go
+setboard r1b1kb1r/3q1ppp/pBp1pn2/8/Np3P2/5B2/PPP3PP/R2Q1RK1 w kq -
+solution Bxc6
+id "WAC.011"
+go
+setboard 4k1r1/2p3r1/1pR1p3/3pP2p/3P2qP/P4N2/1PQ4P/5R1K b - -
+solution Qxf3+
+id "WAC.012"
+go
+setboard 5rk1/pp4p1/2n1p2p/2Npq3/2p5/6P1/P3P1BP/R4Q1K w - -
+solution Qxf8+
+id "WAC.013"
+go
+setboard r2rb1k1/pp1q1p1p/2n1p1p1/2bp4/5P2/PP1BPR1Q/1BPN2PP/R5K1 w - -
+solution Qxh7+
+id "WAC.014"
+go
+setboard 1R6/1brk2p1/4p2p/p1P1Pp2/P7/6P1/1P4P1/2R3K1 w - -
+solution Rxb7
+id "WAC.015"
+go
+setboard r4rk1/ppp2ppp/2n5/2bqp3/8/P2PB3/1PP1NPPP/R2Q1RK1 w - -
+solution Nc3
+id "WAC.016"
+go
+setboard 1k5r/pppbn1pp/4q1r1/1P3p2/2NPp3/1QP5/P4PPP/R1B1R1K1 w - -
+solution Ne5
+id "WAC.017"
+go
+setboard R7/P4k2/8/8/8/8/r7/6K1 w - -
+solution Rh8
+id "WAC.018"
+go
+setboard r1b2rk1/ppbn1ppp/4p3/1QP4q/3P4/N4N2/5PPP/R1B2RK1 w - -
+solution c6
+id "WAC.019"
+go
+setboard r2qkb1r/1ppb1ppp/p7/4p3/P1Q1P3/2P5/5PPP/R1B2KNR b kq -
+solution Bb5
+id "WAC.020"
+go
+setboard 5rk1/1b3p1p/pp3p2/3n1N2/1P6/P1qB1PP1/3Q3P/4R1K1 w - -
+solution Qh6
+id "WAC.021"
+go
+setboard r1bqk2r/ppp1nppp/4p3/n5N1/2BPp3/P1P5/2P2PPP/R1BQK2R w KQkq -
+solution Ba2
+solution Nxf7
+id "WAC.022"
+go
+setboard r3nrk1/2p2p1p/p1p1b1p1/2NpPq2/3R4/P1N1Q3/1PP2PPP/4R1K1 w - -
+solution g4
+id "WAC.023"
+go
+setboard 6k1/1b1nqpbp/pp4p1/5P2/1PN5/4Q3/P5PP/1B2B1K1 b - -
+solution Bd4
+id "WAC.024"
+go
+setboard 3R1rk1/8/5Qpp/2p5/2P1p1q1/P3P3/1P2PK2/8 b - -
+solution Qh4+
+id "WAC.025"
+go
+setboard 3r2k1/1p1b1pp1/pq5p/8/3NR3/2PQ3P/PP3PP1/6K1 b - -
+solution Bf5
+id "WAC.026"
+go
+setboard 7k/pp4np/2p3p1/3pN1q1/3P4/Q7/1r3rPP/2R2RK1 w - -
+solution Qf8+
+id "WAC.027"
+go
+setboard 1r1r2k1/4pp1p/2p1b1p1/p3R3/RqBP4/4P3/1PQ2PPP/6K1 b - -
+solution Qe1+
+id "WAC.028"
+go
+setboard r2q2k1/pp1rbppp/4pn2/2P5/1P3B2/6P1/P3QPBP/1R3RK1 w - -
+solution c6
+id "WAC.029"
+go
+setboard 1r3r2/4q1kp/b1pp2p1/5p2/pPn1N3/6P1/P3PPBP/2QRR1K1 w - -
+solution Nxd6
+id "WAC.030"
+go
+setboard rb3qk1/pQ3ppp/4p3/3P4/8/1P3N2/1P3PPP/3R2K1 w - -
+solution Qxa8
+solution d6
+solution dxe6
+id "WAC.031"
+go
+setboard 6k1/p4p1p/1p3np1/2q5/4p3/4P1N1/PP3PPP/3Q2K1 w - -
+solution Qd8+
+id "WAC.032"
+go
+setboard 8/p1q2pkp/2Pr2p1/8/P3Q3/6P1/5P1P/2R3K1 w - -
+solution Qe5+
+solution Qf4
+id "WAC.033"
+go
+setboard 7k/1b1r2p1/p6p/1p2qN2/3bP3/3Q4/P5PP/1B1R3K b - -
+solution Bg1
+id "WAC.034"
+go
+setboard r3r2k/2R3pp/pp1q1p2/8/3P3R/7P/PP3PP1/3Q2K1 w - -
+solution Rxh7+
+id "WAC.035"
+go
+setboard 3r4/2p1rk2/1pQq1pp1/7p/1P1P4/P4P2/6PP/R1R3K1 b - -
+solution Re1+
+id "WAC.036"
+go
+setboard 2r5/2rk2pp/1pn1pb2/pN1p4/P2P4/1N2B3/nPR1KPPP/3R4 b - -
+solution Nxd4+
+id "WAC.037"
+go
+setboard 4k3/p4prp/1p6/2b5/8/2Q3P1/P2R1PKP/4q3 w - -
+solution Rd8+
+id "WAC.038"
+go
+setboard r1br2k1/pp2bppp/2nppn2/8/2P1PB2/2N2P2/PqN1B1PP/R2Q1R1K w - -
+solution Na4
+id "WAC.039"
+go
+setboard 3r1r1k/1p4pp/p4p2/8/1PQR4/6Pq/P3PP2/2R3K1 b - -
+solution Rc8
+id "WAC.040"
+go
+setboard 1k6/5RP1/1P6/1K6/6r1/8/8/8 w - -
+solution Ka5
+solution Kc5
+id "WAC.041"
+go
+setboard r1b1r1k1/pp1n1pbp/1qp3p1/3p4/1B1P4/Q3PN2/PP2BPPP/R4RK1 w - -
+solution Ba5
+id "WAC.042"
+go
+setboard r2q3k/p2P3p/1p3p2/3QP1r1/8/B7/P5PP/2R3K1 w - -
+solution Be7
+solution Qxa8
+id "WAC.043"
+go
+setboard 3rb1k1/pq3pbp/4n1p1/3p4/2N5/2P2QB1/PP3PPP/1B1R2K1 b - -
+solution dxc4
+id "WAC.044"
+go
+setboard 7k/2p1b1pp/8/1p2P3/1P3r2/2P3Q1/1P5P/R4qBK b - -
+solution Qxa1
+id "WAC.045"
+go
+setboard r1bqr1k1/pp1nb1p1/4p2p/3p1p2/3P4/P1N1PNP1/1PQ2PP1/3RKB1R w K -
+solution Nb5
+id "WAC.046"
+go
+setboard r1b2rk1/pp2bppp/2n1pn2/q5B1/2BP4/2N2N2/PP2QPPP/2R2RK1 b - -
+solution Nxd4
+id "WAC.047"
+go
+setboard 1rbq1rk1/p1p1bppp/2p2n2/8/Q1BP4/2N5/PP3PPP/R1B2RK1 b - -
+solution Rb4
+id "WAC.048"
+go
+setboard 2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - -
+solution Qxh7+
+id "WAC.049"
+go
+setboard k4r2/1R4pb/1pQp1n1p/3P4/5p1P/3P2P1/r1q1R2K/8 w - -
+solution Rxb6+
+id "WAC.050"
+go
+setboard r1bq1r2/pp4k1/4p2p/3pPp1Q/3N1R1P/2PB4/6P1/6K1 w - -
+solution Rg4+
+id "WAC.051"
+go
+setboard r1k5/1p3q2/1Qpb4/3N1p2/5Pp1/3P2Pp/PPPK3P/4R3 w - -
+solution Re7
+id "WAC.052"
+go
+setboard 6k1/6p1/p7/3Pn3/5p2/4rBqP/P4RP1/5QK1 b - -
+solution Re1
+id "WAC.053"
+go
+setboard r3kr2/1pp4p/1p1p4/7q/4P1n1/2PP2Q1/PP4P1/R1BB2K1 b q -
+solution Qh1+
+id "WAC.054"
+go
+setboard r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - -
+solution Qxg7+
+id "WAC.055"
+go
+setboard r1bqk2r/pppp1ppp/5n2/2b1n3/4P3/1BP3Q1/PP3PPP/RNB1K1NR b KQkq -
+solution Bxf2+
+id "WAC.056"
+go
+setboard r3q1kr/ppp5/3p2pQ/8/3PP1b1/5R2/PPP3P1/5RK1 w - -
+solution Rf8+
+id "WAC.057"
+go
+setboard 8/8/2R5/1p2qp1k/1P2r3/2PQ2P1/5K2/8 w - -
+solution Qd1+
+id "WAC.058"
+go
+setboard r1b2rk1/2p1qnbp/p1pp2p1/5p2/2PQP3/1PN2N1P/PB3PP1/3R1RK1 w - -
+solution Nd5
+id "WAC.059"
+go
+setboard rn1qr1k1/1p2np2/2p3p1/8/1pPb4/7Q/PB1P1PP1/2KR1B1R w - -
+solution Qh8+
+id "WAC.060"
+go
+setboard 3qrbk1/ppp1r2n/3pP2p/3P4/2P4P/1P3Q2/PB6/R4R1K w - -
+solution Qf7+
+id "WAC.061"
+go
+setboard 6r1/3Pn1qk/p1p1P1rp/2Q2p2/2P5/1P4P1/P3R2P/5RK1 b - -
+solution Rxg3+
+id "WAC.062"
+go
+setboard r1brnbk1/ppq2pp1/4p2p/4N3/3P4/P1PB1Q2/3B1PPP/R3R1K1 w - -
+solution Nxf7
+id "WAC.063"
+go
+setboard 8/6pp/3q1p2/3n1k2/1P6/3NQ2P/5PP1/6K1 w - -
+solution g4+
+id "WAC.064"
+go
+setboard 1r1r1qk1/p2n1p1p/bp1Pn1pQ/2pNp3/2P2P1N/1P5B/P6P/3R1RK1 w - -
+solution Ne7+
+id "WAC.065"
+go
+setboard 1k1r2r1/ppq5/1bp4p/3pQ3/8/2P2N2/PP4P1/R4R1K b - -
+solution Qxe5
+id "WAC.066"
+go
+setboard 3r2k1/p2q4/1p4p1/3rRp1p/5P1P/6PK/P3R3/3Q4 w - -
+solution Rxd5
+id "WAC.067"
+go
+setboard 6k1/5ppp/1q6/2b5/8/2R1pPP1/1P2Q2P/7K w - -
+solution Qxe3
+id "WAC.068"
+go
+setboard 2k5/pppr4/4R3/4Q3/2pp2q1/8/PPP2PPP/6K1 w - -
+solution f3
+solution h3
+id "WAC.069"
+go
+setboard 2kr3r/pppq1ppp/3p1n2/bQ2p3/1n1PP3/1PN1BN1P/1PP2PP1/2KR3R b - -
+solution Na2+
+id "WAC.070"
+go
+setboard 2kr3r/pp1q1ppp/5n2/1Nb5/2Pp1B2/7Q/P4PPP/1R3RK1 w - -
+solution Nxa7+
+id "WAC.071"
+go
+setboard r3r1k1/pp1n1ppp/2p5/4Pb2/2B2P2/B1P5/P5PP/R2R2K1 w - -
+solution e6
+id "WAC.072"
+go
+setboard r1q3rk/1ppbb1p1/4Np1p/p3pP2/P3P3/2N4R/1PP1Q1PP/3R2K1 w - -
+solution Qd2
+id "WAC.073"
+go
+setboard 5r1k/pp4pp/2p5/2b1P3/4Pq2/1PB1p3/P3Q1PP/3N2K1 b - -
+solution Qf1+
+id "WAC.074"
+go
+setboard r3r1k1/pppq1ppp/8/8/1Q4n1/7P/PPP2PP1/RNB1R1K1 b - -
+solution Qd6
+id "WAC.075"
+go
+setboard r1b1qrk1/2p2ppp/pb1pnn2/1p2pNB1/3PP3/1BP5/PP2QPPP/RN1R2K1 w - -
+solution Bxf6
+id "WAC.076"
+go
+setboard 3r2k1/ppp2ppp/6q1/b4n2/3nQB2/2p5/P4PPP/RN3RK1 b - -
+solution Ng3
+id "WAC.077"
+go
+setboard r2q3r/ppp2k2/4nbp1/5Q1p/2P1NB2/8/PP3P1P/3RR1K1 w - -
+solution Ng5+
+id "WAC.078"
+go
+setboard r3k2r/pbp2pp1/3b1n2/1p6/3P3p/1B2N1Pq/PP1PQP1P/R1B2RK1 b kq -
+solution Qxh2+
+id "WAC.079"
+go
+setboard r4rk1/p1B1bpp1/1p2pn1p/8/2PP4/3B1P2/qP2QP1P/3R1RK1 w - -
+solution Ra1
+id "WAC.080"
+go
+setboard r4rk1/1bR1bppp/4pn2/1p2N3/1P6/P3P3/4BPPP/3R2K1 b - -
+solution Bd6
+id "WAC.081"
+go
+setboard 3rr1k1/pp3pp1/4b3/8/2P1B2R/6QP/P3q1P1/5R1K w - -
+solution Bh7+
+id "WAC.082"
+go
+setboard 3rr1k1/ppqbRppp/2p5/8/3Q1n2/2P3N1/PPB2PPP/3R2K1 w - -
+solution Qxd7
+id "WAC.083"
+go
+setboard r2q1r1k/2p1b1pp/p1n5/1p1Q1bN1/4n3/1BP1B3/PP3PPP/R4RK1 w - -
+solution Qg8+
+id "WAC.084"
+go
+setboard kr2R3/p4r2/2pq4/2N2p1p/3P2p1/Q5P1/5P1P/5BK1 w - -
+solution Na6
+id "WAC.085"
+go
+setboard 8/p7/1ppk1n2/5ppp/P1PP4/2P1K1P1/5N1P/8 b - -
+solution Ng4+
+id "WAC.086"
+go
+setboard 8/p3k1p1/4r3/2ppNpp1/PP1P4/2P3KP/5P2/8 b - -
+solution Rxe5
+id "WAC.087"
+go
+setboard r6k/p1Q4p/2p1b1rq/4p3/B3P3/4P3/PPP3P1/4RRK1 b - -
+solution Rxg2+
+id "WAC.088"
+go
+setboard 1r3b1k/p4rpp/4pp2/3q4/2ppbPPQ/6RK/PP5P/2B1NR2 b - -
+solution g5
+id "WAC.089"
+go
+setboard 3qrrk1/1pp2pp1/1p2bn1p/5N2/2P5/P1P3B1/1P4PP/2Q1RRK1 w - -
+solution Nxg7
+id "WAC.090"
+go
+setboard 2qr2k1/4b1p1/2p2p1p/1pP1p3/p2nP3/PbQNB1PP/1P3PK1/4RB2 b - -
+solution Be6
+id "WAC.091"
+go
+setboard r4rk1/1p2ppbp/p2pbnp1/q7/3BPPP1/2N2B2/PPP4P/R2Q1RK1 b - -
+solution Bxg4
+id "WAC.092"
+go
+setboard r1b1k1nr/pp3pQp/4pq2/3pn3/8/P1P5/2P2PPP/R1B1KBNR w KQkq -
+solution Bh6
+id "WAC.093"
+go
+setboard 8/k7/p7/3Qp2P/n1P5/3KP3/1q6/8 b - -
+solution e4+
+id "WAC.094"
+go
+setboard 2r5/1r6/4pNpk/3pP1qp/8/2P1QP2/5PK1/R7 w - -
+solution Ng4+
+id "WAC.095"
+go
+setboard r1b4k/ppp2Bb1/6Pp/3pP3/1qnP1p1Q/8/PPP3P1/1K1R3R w - -
+solution Qd8+
+id "WAC.096"
+go
+setboard 6k1/5p2/p5np/4B3/3P4/1PP1q3/P3r1QP/6RK w - -
+solution Qa8+
+id "WAC.097"
+go
+setboard 1r3rk1/5pb1/p2p2p1/Q1n1q2p/1NP1P3/3p1P1B/PP1R3P/1K2R3 b - -
+solution Nxe4
+id "WAC.098"
+go
+setboard r1bq1r1k/1pp1Np1p/p2p2pQ/4R3/n7/8/PPPP1PPP/R1B3K1 w - -
+solution Rh5
+id "WAC.099"
+go
+setboard 8/k1b5/P4p2/1Pp2p1p/K1P2P1P/8/3B4/8 w - -
+solution b6+
+id "WAC.100"
+go
+setboard 5rk1/p5pp/8/8/2Pbp3/1P4P1/7P/4RN1K b - -
+solution Bc3
+id "WAC.101"
+go
+setboard 2Q2n2/2R4p/1p1qpp1k/8/3P3P/3B2P1/5PK1/r7 w - -
+solution Qxf8+
+id "WAC.102"
+go
+setboard 6k1/2pb1r1p/3p1PpQ/p1nPp3/1q2P3/2N2P2/PrB5/2K3RR w - -
+solution Qxg6+
+id "WAC.103"
+go
+setboard b4r1k/pq2rp2/1p1bpn1p/3PN2n/2P2P2/P2B3K/1B2Q2N/3R2R1 w - -
+solution Qxh5
+id "WAC.104"
+go
+setboard r2r2k1/pb3ppp/1p1bp3/7q/3n2nP/PP1B2P1/1B1N1P2/RQ2NRK1 b - -
+solution Qxh4
+id "WAC.105"
+go
+setboard 4rrk1/pppb4/7p/3P2pq/3Qn3/P5P1/1PP4P/R3RNNK b - -
+solution Nf2+
+id "WAC.106"
+go
+setboard 5n2/pRrk2p1/P4p1p/4p3/3N4/5P2/6PP/6K1 w - -
+solution Nb5
+id "WAC.107"
+go
+setboard r5k1/1q4pp/2p5/p1Q5/2P5/5R2/4RKPP/r7 w - -
+solution Qe5
+id "WAC.108"
+go
+setboard rn2k1nr/pbp2ppp/3q4/1p2N3/2p5/QP6/PB1PPPPP/R3KB1R b KQkq -
+solution c3
+id "WAC.109"
+go
+setboard 2kr4/bp3p2/p2p2b1/P7/2q5/1N4B1/1PPQ2P1/2KR4 b - -
+solution Be3
+id "WAC.110"
+go
+setboard 6k1/p5p1/5p2/2P2Q2/3pN2p/3PbK1P/7P/6q1 b - -
+solution Qf1+
+id "WAC.111"
+go
+setboard r4kr1/ppp5/4bq1b/7B/2PR1Q1p/2N3P1/PP3P1P/2K1R3 w - -
+solution Rxe6
+id "WAC.112"
+go
+setboard rnbqkb1r/1p3ppp/5N2/1p2p1B1/2P5/8/PP2PPPP/R2QKB1R b KQkq -
+solution Qxf6
+id "WAC.113"
+go
+setboard r1b1rnk1/1p4pp/p1p2p2/3pN2n/3P1PPq/2NBPR1P/PPQ5/2R3K1 w - -
+solution Bxh7+
+id "WAC.114"
+go
+setboard 4N2k/5rpp/1Q6/p3q3/8/P5P1/1P3P1P/5K2 w - -
+solution Nd6
+id "WAC.115"
+go
+setboard r2r2k1/2p2ppp/p7/1p2P1n1/P6q/5P2/1PB1QP1P/R5RK b - -
+solution Rd2
+id "WAC.116"
+go
+setboard 3r1rk1/q4ppp/p1Rnp3/8/1p6/1N3P2/PP3QPP/3R2K1 b - -
+solution Ne4
+id "WAC.117"
+go
+setboard r5k1/pb2rpp1/1p6/2p4q/5R2/2PB2Q1/P1P3PP/5R1K w - -
+solution Rh4
+id "WAC.118"
+go
+setboard r2qr1k1/p1p2ppp/2p5/2b5/4nPQ1/3B4/PPP3PP/R1B2R1K b - -
+solution Qxd3
+id "WAC.119"
+go
+setboard r4rk1/1bn2qnp/3p1B1Q/p2P1pP1/1pp5/5N1P/PPB2P2/2KR3R w - -
+solution g6
+id "WAC.120"
+go
+setboard 6k1/5p1p/2bP2pb/4p3/2P5/1p1pNPPP/1P1Q1BK1/1q6 b - -
+solution Bxf3+
+id "WAC.121"
+go
+setboard 1k6/ppp4p/1n2pq2/1N2Rb2/2P2Q2/8/P4KPP/3r1B2 b - -
+solution Rxf1+
+id "WAC.122"
+go
+setboard 6k1/1b2rp2/1p4p1/3P4/PQ4P1/2N2q2/5P2/3R2K1 b - -
+solution Bxd5
+solution Rc7
+id "WAC.123"
+go
+setboard 6k1/3r4/2R5/P5P1/1P4p1/8/4rB2/6K1 b - -
+solution g3
+id "WAC.124"
+go
+setboard r1bqr1k1/pp3ppp/1bp5/3n4/3B4/2N2P1P/PPP1B1P1/R2Q1RK1 b - -
+solution Bxd4+
+id "WAC.125"
+go
+setboard r5r1/pQ5p/1qp2R2/2k1p3/4P3/2PP4/P1P3PP/6K1 w - -
+solution Rxc6+
+id "WAC.126"
+go
+setboard 2k4r/1pr1n3/p1p1q2p/5pp1/3P1P2/P1P1P3/1R2Q1PP/1RB3K1 w - -
+solution Rxb7
+id "WAC.127"
+go
+setboard 6rk/1pp2Qrp/3p1B2/1pb1p2R/3n1q2/3P4/PPP3PP/R6K w - -
+solution Qg6
+id "WAC.128"
+go
+setboard 3r1r1k/1b2b1p1/1p5p/2p1Pp2/q1B2P2/4P2P/1BR1Q2K/6R1 b - -
+solution Bf3
+id "WAC.129"
+go
+setboard 6k1/1pp3q1/5r2/1PPp4/3P1pP1/3Qn2P/3B4/4R1K1 b - -
+solution Qh6
+solution Qh8
+id "WAC.130"
+go
+setboard 2rq1bk1/p4p1p/1p4p1/3b4/3B1Q2/8/P4PpP/3RR1K1 w - -
+solution Re8
+id "WAC.131"
+go
+setboard 4r1k1/5bpp/2p5/3pr3/8/1B3pPq/PPR2P2/2R2QK1 b - -
+solution Re1
+id "WAC.132"
+go
+setboard r1b1k2r/1pp1q2p/p1n3p1/3QPp2/8/1BP3B1/P5PP/3R1RK1 w kq -
+solution Bh4
+id "WAC.133"
+go
+setboard 3r2k1/p6p/2Q3p1/4q3/2P1p3/P3Pb2/1P3P1P/2K2BR1 b - -
+solution Rd1+
+id "WAC.134"
+go
+setboard 3r1r1k/N2qn1pp/1p2np2/2p5/2Q1P2N/3P4/PP4PP/3R1RK1 b - -
+solution Nd4
+id "WAC.135"
+go
+setboard 6kr/1q2r1p1/1p2N1Q1/5p2/1P1p4/6R1/7P/2R3K1 w - -
+solution Rc8+
+id "WAC.136"
+go
+setboard 3b1rk1/1bq3pp/5pn1/1p2rN2/2p1p3/2P1B2Q/1PB2PPP/R2R2K1 w - -
+solution Rd7
+id "WAC.137"
+go
+setboard r1bq3r/ppppR1p1/5n1k/3P4/6pP/3Q4/PP1N1PP1/5K1R w - -
+solution h5
+id "WAC.138"
+go
+setboard rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - -
+solution Nf6+
+id "WAC.139"
+go
+setboard r2b1rk1/pq4p1/4ppQP/3pB1p1/3P4/2R5/PP3PP1/5RK1 w - -
+solution Rc7
+id "WAC.140"
+go
+setboard 4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - -
+solution Qxf4
+id "WAC.141"
+go
+setboard r2q3n/ppp2pk1/3p4/5Pr1/2NP1Qp1/2P2pP1/PP3K2/4R2R w - -
+solution Re8
+solution f6+
+id "WAC.142"
+go
+setboard 5b2/pp2r1pk/2pp1pRp/4rP1N/2P1P3/1P4QP/P3q1P1/5R1K w - -
+solution Rxh6+
+id "WAC.143"
+go
+setboard r2q1rk1/pp3ppp/2p2b2/8/B2pPPb1/7P/PPP1N1P1/R2Q1RK1 b - -
+solution d3
+id "WAC.144"
+go
+setboard r1bq4/1p4kp/3p1n2/p4pB1/2pQ4/8/1P4PP/4RRK1 w - -
+solution Re8
+id "WAC.145"
+go
+setboard 8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - -
+solution Bc8
+id "WAC.146"
+go
+setboard r2r2k1/ppqbppbp/2n2np1/2pp4/6P1/1P1PPNNP/PBP2PB1/R2QK2R b KQ -
+solution Nxg4
+id "WAC.147"
+go
+setboard 2r1k3/6pr/p1nBP3/1p3p1p/2q5/2P5/P1R4P/K2Q2R1 w - -
+solution Rxg7
+id "WAC.148"
+go
+setboard 6k1/6p1/2p4p/4Pp2/4b1qP/2Br4/1P2RQPK/8 b - -
+solution Bxg2
+id "WAC.149"
+go
+setboard r3r1k1/5p2/pQ1b2pB/1p6/4p3/6P1/Pq2BP1P/2R3K1 b - -
+solution Ba3
+solution Bf8
+solution e3
+id "WAC.150"
+go
+setboard 8/3b2kp/4p1p1/pr1n4/N1N4P/1P4P1/1K3P2/3R4 w - -
+solution Nc3
+id "WAC.151"
+go
+setboard 1br2rk1/1pqb1ppp/p3pn2/8/1P6/P1N1PN1P/1B3PP1/1QRR2K1 w - -
+solution Ne4
+id "WAC.152"
+go
+setboard 2r3k1/q4ppp/p3p3/pnNp4/2rP4/2P2P2/4R1PP/2R1Q1K1 b - -
+solution Nxd4
+id "WAC.153"
+go
+setboard r1b2rk1/2p2ppp/p7/1p6/3P3q/1BP3bP/PP3QP1/RNB1R1K1 w - -
+solution Qxf7+
+id "WAC.154"
+go
+setboard 5bk1/1rQ4p/5pp1/2pP4/3n1PP1/7P/1q3BB1/4R1K1 w - -
+solution d6
+id "WAC.155"
+go
+setboard r1b1qN1k/1pp3p1/p2p3n/4p1B1/8/1BP4Q/PP3KPP/8 w - -
+solution Qxh6+
+id "WAC.156"
+go
+setboard 5rk1/p4ppp/2p1b3/3Nq3/4P1n1/1p1B2QP/1PPr2P1/1K2R2R w - -
+solution Ne7+
+id "WAC.157"
+go
+setboard 5rk1/n1p1R1bp/p2p4/1qpP1QB1/7P/2P3P1/PP3P2/6K1 w - -
+solution Rxg7+
+id "WAC.158"
+go
+setboard r1b2r2/5P1p/ppn3pk/2p1p1Nq/1bP1PQ2/3P4/PB4BP/1R3RK1 w - -
+solution Ne6+
+id "WAC.159"
+go
+setboard qn1kr2r/1pRbb3/pP5p/P2pP1pP/3N1pQ1/3B4/3B1PP1/R5K1 w - -
+solution Qxd7+
+id "WAC.160"
+go
+setboard 3r3k/3r1P1p/pp1Nn3/2pp4/7Q/6R1/Pq4PP/5RK1 w - -
+solution Qxd8+
+id "WAC.161"
+go
+setboard r3kbnr/p4ppp/2p1p3/8/Q1B3b1/2N1B3/PP3PqP/R3K2R w KQkq -
+solution Bd5
+id "WAC.162"
+go
+setboard 5rk1/2p4p/2p4r/3P4/4p1b1/1Q2NqPp/PP3P1K/R4R2 b - -
+solution Qg2+
+id "WAC.163"
+go
+setboard 8/6pp/4p3/1p1n4/1NbkN1P1/P4P1P/1PR3K1/r7 w - -
+solution Rxc4+
+id "WAC.164"
+go
+setboard 1r5k/p1p3pp/8/8/4p3/P1P1R3/1P1Q1qr1/2KR4 w - -
+solution Re2
+id "WAC.165"
+go
+setboard r3r1k1/5pp1/p1p4p/2Pp4/8/q1NQP1BP/5PP1/4K2R b K -
+solution d4
+id "WAC.166"
+go
+setboard 7Q/ppp2q2/3p2k1/P2Ppr1N/1PP5/7R/5rP1/6K1 b - -
+solution Rxg2+
+id "WAC.167"
+go
+setboard r3k2r/pb1q1p2/8/2p1pP2/4p1p1/B1P1Q1P1/P1P3K1/R4R2 b kq -
+solution Qd2+
+id "WAC.168"
+go
+setboard 5rk1/1pp3bp/3p2p1/2PPp3/1P2P3/2Q1B3/4q1PP/R5K1 b - -
+solution Bh6
+id "WAC.169"
+go
+setboard 5r1k/6Rp/1p2p3/p2pBp2/1qnP4/4P3/Q4PPP/6K1 w - -
+solution Qxc4
+id "WAC.170"
+go
+setboard 2rq4/1b2b1kp/p3p1p1/1p1nNp2/7P/1B2B1Q1/PP3PP1/3R2K1 w - -
+solution Bh6+
+id "WAC.171"
+go
+setboard 5r1k/p5pp/8/1P1pq3/P1p2nR1/Q7/5BPP/6K1 b - -
+solution Qe1+
+id "WAC.172"
+go
+setboard 2r1b3/1pp1qrk1/p1n1P1p1/7R/2B1p3/4Q1P1/PP3PP1/3R2K1 w - -
+solution Qh6+
+id "WAC.173"
+go
+setboard 2r2rk1/6p1/p3pq1p/1p1b1p2/3P1n2/PP3N2/3N1PPP/1Q2RR1K b - -
+solution Nxg2
+id "WAC.174"
+go
+setboard r5k1/pppb3p/2np1n2/8/3PqNpP/3Q2P1/PPP5/R4RK1 w - -
+solution Nh5
+id "WAC.175"
+go
+setboard r1bq3r/ppp2pk1/3p1pp1/8/2BbPQ2/2NP2P1/PPP4P/R4R1K b - -
+solution Rxh2+
+id "WAC.176"
+go
+setboard r1b3r1/4qk2/1nn1p1p1/3pPp1P/p4P2/1p3BQN/PKPBN3/3R3R b - -
+solution Qa3+
+id "WAC.177"
+go
+setboard 3r2k1/p1rn1p1p/1p2pp2/6q1/3PQNP1/5P2/P1P4R/R5K1 w - -
+solution Nxe6
+id "WAC.178"
+go
+setboard r1b2r1k/pp4pp/3p4/3B4/8/1QN3Pn/PP3q1P/R3R2K b - -
+solution Qg1+
+id "WAC.179"
+go
+setboard r1q2rk1/p3bppb/3p1n1p/2nPp3/1p2P1P1/6NP/PP2QPB1/R1BNK2R b KQ -
+solution Nxd5
+id "WAC.180"
+go
+setboard r3k2r/2p2p2/p2p1n2/1p2p3/4P2p/1PPPPp1q/1P5P/R1N2QRK b kq -
+solution Ng4
+id "WAC.181"
+go
+setboard r1b2rk1/ppqn1p1p/2n1p1p1/2b3N1/2N5/PP1BP3/1B3PPP/R2QK2R w KQ -
+solution Qh5
+id "WAC.182"
+go
+setboard 1r2k1r1/5p2/b3p3/1p2b1B1/3p3P/3B4/PP2KP2/2R3R1 w - -
+solution Bf6
+id "WAC.183"
+go
+setboard 4kn2/r4p1r/p3bQ2/q1nNP1Np/1p5P/8/PPP3P1/2KR3R w - -
+solution Qe7+
+id "WAC.184"
+go
+setboard 1r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K w - -
+solution Qxh7+
+id "WAC.185"
+go
+setboard r5r1/p1q2p1k/1p1R2pB/3pP3/6bQ/2p5/P1P1NPPP/6K1 w - -
+solution Bf8+
+id "WAC.186"
+go
+setboard 6k1/5p2/p3p3/1p3qp1/2p1Qn2/2P1R3/PP1r1PPP/4R1K1 b - -
+solution Nh3+
+id "WAC.187"
+go
+setboard 3RNbk1/pp3p2/4rQpp/8/1qr5/7P/P4P2/3R2K1 w - -
+solution Qg7+
+id "WAC.188"
+go
+setboard 3r1k2/1ppPR1n1/p2p1rP1/3P3p/4Rp1N/5K2/P1P2P2/8 w - -
+solution Re8+
+id "WAC.189"
+go
+setboard 8/p2b2kp/1q1p2p1/1P1Pp3/4P3/3B2P1/P2Q3P/2Nn3K b - -
+solution Bh3
+id "WAC.190"
+go
+setboard 2r1Rn1k/1p1q2pp/p7/5p2/3P4/1B4P1/P1P1QP1P/6K1 w - -
+solution Qc4
+id "WAC.191"
+go
+setboard r3k3/ppp2Npp/4Bn2/2b5/1n1pp3/N4P2/PPP3qP/R2QKR2 b Qq -
+solution Nd3+
+id "WAC.192"
+go
+setboard 5bk1/p4ppp/Qp6/4B3/1P6/Pq2P1P1/2rr1P1P/R4RK1 b - -
+solution Qxe3
+id "WAC.193"
+go
+setboard 5rk1/ppq2ppp/2p5/4bN2/4P3/6Q1/PPP2PPP/3R2K1 w - -
+solution Nh6+
+id "WAC.194"
+go
+setboard 3r1rk1/1p3p2/p3pnnp/2p3p1/2P2q2/1P5P/PB2QPPN/3RR1K1 w - -
+solution g3
+id "WAC.195"
+go
+setboard rr4k1/p1pq2pp/Q1n1pn2/2bpp3/4P3/2PP1NN1/PP3PPP/R1B1K2R b KQ -
+solution Nb4
+id "WAC.196"
+go
+setboard 7k/1p4p1/7p/3P1n2/4Q3/2P2P2/PP3qRP/7K b - -
+solution Qf1+
+id "WAC.197"
+go
+setboard 2br2k1/ppp2p1p/4p1p1/4P2q/2P1Bn2/2Q5/PP3P1P/4R1RK b - -
+solution Rd3
+id "WAC.198"
+go
+setboard r1br2k1/pp2nppp/2n5/1B1q4/Q7/4BN2/PP3PPP/2R2RK1 w - -
+solution Bxc6
+solution Rfd1
+id "WAC.199"
+go
+setboard 2rqrn1k/pb4pp/1p2pp2/n2P4/2P3N1/P2B2Q1/1B3PPP/2R1R1K1 w - -
+solution Bxf6
+id "WAC.200"
+go
+setboard 2b2r1k/4q2p/3p2pQ/2pBp3/8/6P1/1PP2P1P/R5K1 w - -
+solution Ra7
+id "WAC.201"
+go
+setboard QR2rq1k/2p3p1/3p1pPp/8/4P3/8/P1r3PP/1R4K1 b - -
+solution Rxa2
+id "WAC.202"
+go
+setboard r4rk1/5ppp/p3q1n1/2p2NQ1/4n3/P3P3/1B3PPP/1R3RK1 w - -
+solution Qh6
+id "WAC.203"
+go
+setboard r1b1qrk1/1p3ppp/p1p5/3Nb3/5N2/P7/1P4PQ/K1R1R3 w - -
+solution Rxe5
+id "WAC.204"
+go
+setboard r3rnk1/1pq2bb1/p4p2/3p1Pp1/3B2P1/1NP4R/P1PQB3/2K4R w - -
+solution Qxg5
+id "WAC.205"
+go
+setboard 1Qq5/2P1p1kp/3r1pp1/8/8/7P/p4PP1/2R3K1 b - -
+solution Rc6
+id "WAC.206"
+go
+setboard r1bq2kr/p1pp1ppp/1pn1p3/4P3/2Pb2Q1/BR6/P4PPP/3K1BNR w - -
+solution Qxg7+
+id "WAC.207"
+go
+setboard 3r1bk1/ppq3pp/2p5/2P2Q1B/8/1P4P1/P6P/5RK1 w - -
+solution Bf7+
+id "WAC.208"
+go
+setboard 4kb1r/2q2p2/r2p4/pppBn1B1/P6P/6Q1/1PP5/2KRR3 w k -
+solution Rxe5+
+id "WAC.209"
+go
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -
+solution Rh1
+id "WAC.210"
+go
+setboard r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - -
+solution Qxf7+
+id "WAC.211"
+go
+setboard rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - -
+solution Qxg7+
+id "WAC.212"
+go
+setboard 3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - -
+solution Rxh7+
+id "WAC.213"
+go
+setboard r2r2k1/1p2qpp1/1np1p1p1/p3N3/2PPN3/bP5R/4QPPP/4R1K1 w - -
+solution Ng5
+id "WAC.214"
+go
+setboard 3r2k1/pb1q1pp1/1p2pb1p/8/3N4/P2QB3/1P3PPP/1Br1R1K1 w - -
+solution Qh7+
+id "WAC.215"
+go
+setboard r2qr1k1/1b1nbppp/p3pn2/1p1pN3/3P1B2/2PB1N2/PP2QPPP/R4RK1 w - -
+solution Nxf7
+id "WAC.216"
+go
+setboard r3kb1r/1pp3p1/p3bp1p/5q2/3QN3/1P6/PBP3P1/3RR1K1 w kq -
+solution Qd7+
+id "WAC.217"
+go
+setboard 6k1/pp5p/2p3q1/6BP/2nPr1Q1/8/PP3R1K/8 w - -
+solution Bh6
+id "WAC.218"
+go
+setboard 7k/p4q1p/1pb5/2p5/4B2Q/2P1B3/P6P/7K b - -
+solution Qf1+
+id "WAC.219"
+go
+setboard 3rr1k1/ppp2ppp/8/5Q2/4n3/1B5R/PPP1qPP1/5RK1 b - -
+solution Qxf1+
+id "WAC.220"
+go
+setboard r3k3/P5bp/2N1bp2/4p3/2p5/6NP/1PP2PP1/3R2K1 w q -
+solution Rd8+
+id "WAC.221"
+go
+setboard 2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - -
+solution Bf6
+id "WAC.222"
+go
+setboard r1bqk2r/pp3ppp/5n2/8/1b1npB2/2N5/PP1Q2PP/1K2RBNR w kq -
+solution Nxe4
+id "WAC.223"
+go
+setboard 5rk1/p1q3pp/1p1r4/2p1pp1Q/1PPn1P2/3B3P/P2R2P1/3R2K1 b - -
+solution Rh6
+solution e4
+id "WAC.224"
+go
+setboard 4R3/4q1kp/6p1/1Q3b2/1P1b1P2/6KP/8/8 b - -
+solution Qh4+
+id "WAC.225"
+go
+setboard 2b2rk1/p1p4p/2p1p1p1/br2N1Q1/1p2q3/8/PB3PPP/3R1RK1 w - -
+solution Nf7
+id "WAC.226"
+go
+setboard 2k1rb1r/ppp3pp/2np1q2/5b2/2B2P2/2P1BQ2/PP1N1P1P/2KR3R b - -
+solution d5
+id "WAC.227"
+go
+setboard r4rk1/1bq1bp1p/4p1p1/p2p4/3BnP2/1N1B3R/PPP3PP/R2Q2K1 w - -
+solution Bxe4
+id "WAC.228"
+go
+setboard 8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8 b - -
+solution Rxh4
+solution b4
+id "WAC.229"
+go
+setboard 2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - -
+solution Rb4
+id "WAC.230"
+go
+setboard r4rk1/1b1nqp1p/p5p1/1p2PQ2/2p5/5N2/PP3PPP/R1BR2K1 w - -
+solution Bg5
+id "WAC.231"
+go
+setboard 1R2rq1k/2p3p1/Q2p1pPp/8/4P3/8/P1r3PP/1R4K1 w - -
+solution Qb5
+solution Rxe8
+id "WAC.232"
+go
+setboard 5rk1/p1p2r1p/2pp2p1/4p3/PPPnP3/3Pq1P1/1Q1R1R1P/4NK2 b - -
+solution Nb3
+id "WAC.233"
+go
+setboard 2kr1r2/p6p/5Pp1/2p5/1qp2Q1P/7R/PP6/1KR5 w - -
+solution Rb3
+id "WAC.234"
+go
+setboard 5r2/1p1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -
+solution Qxf7+
+solution Rxf7+
+id "WAC.235"
+go
+setboard 1R6/p5pk/4p2p/4P3/8/2r3qP/P3R1b1/4Q1K1 b - -
+solution Rc1
+id "WAC.236"
+go
+setboard r5k1/pQp2qpp/8/4pbN1/3P4/6P1/PPr4P/1K1R3R b - -
+solution Rc1+
+id "WAC.237"
+go
+setboard 1k1r4/pp1r1pp1/4n1p1/2R5/2Pp1qP1/3P2QP/P4PB1/1R4K1 w - -
+solution Bxb7
+id "WAC.238"
+go
+setboard 8/6k1/5pp1/Q6p/5P2/6PK/P4q1P/8 b - -
+solution Qf1+
+id "WAC.239"
+go
+setboard 2b4k/p1b2p2/2p2q2/3p1PNp/3P2R1/3B4/P1Q2PKP/4r3 w - -
+solution Qxc6
+id "WAC.240"
+go
+setboard 2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - -
+solution Qxh7+
+id "WAC.241"
+go
+setboard r1b1r1k1/pp1nqp2/2p1p1pp/8/4N3/P1Q1P3/1P3PPP/1BRR2K1 w - -
+solution Rxd7
+id "WAC.242"
+go
+setboard 1r3r1k/3p4/1p1Nn1R1/4Pp1q/pP3P1p/P7/5Q1P/6RK w - -
+solution Qe2
+id "WAC.243"
+go
+setboard r6r/pp3ppp/3k1b2/2pb4/B4Pq1/2P1Q3/P5PP/1RBR2K1 w - -
+solution Qxc5+
+id "WAC.244"
+go
+setboard 4rrn1/ppq3bk/3pPnpp/2p5/2PB4/2NQ1RPB/PP5P/5R1K w - -
+solution Qxg6+
+id "WAC.245"
+go
+setboard 6R1/4qp1p/ppr1n1pk/8/1P2P1QP/6N1/P4PP1/6K1 w - -
+solution Qh5+
+id "WAC.246"
+go
+setboard 2k1r3/1p2Bq2/p2Qp3/Pb1p1p1P/2pP1P2/2P5/2P2KP1/1R6 w - -
+solution Rxb5
+id "WAC.247"
+go
+setboard 5r1k/1p4pp/3q4/3Pp1R1/8/8/PP4PP/4Q1K1 b - -
+solution Qc5+
+id "WAC.248"
+go
+setboard r4rk1/pbq2pp1/1ppbpn1p/8/2PP4/1P1Q1N2/PBB2PPP/R3R1K1 w - -
+solution c5
+solution d5
+id "WAC.249"
+go
+setboard 1b5k/7P/p1p2np1/2P2p2/PP3P2/4RQ1R/q2r3P/6K1 w - -
+solution Re8+
+id "WAC.250"
+go
+setboard k7/p4p2/P1q1b1p1/3p3p/3Q4/7P/5PP1/1R4K1 w - -
+solution Qe5
+solution Qf4
+id "WAC.251"
+go
+setboard 1rb1r1k1/p1p2ppp/5n2/2pP4/5P2/2QB4/qNP3PP/2KRB2R b - -
+solution Re2
+id "WAC.252"
+go
+setboard k5r1/p4b2/2P5/5p2/3P1P2/4QBrq/P5P1/4R1K1 w - -
+solution Qe8+
+id "WAC.253"
+go
+setboard r6k/pp3p1p/2p1bp1q/b3p3/4Pnr1/2PP2NP/PP1Q1PPN/R2B2RK b - -
+solution Nxh3
+id "WAC.254"
+go
+setboard 3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -
+solution Rfxg6+
+id "WAC.255"
+go
+setboard 3r1rk1/1pb1qp1p/2p3p1/p7/P2Np2R/1P5P/1BP2PP1/3Q1BK1 w - -
+solution Nf5
+id "WAC.256"
+go
+setboard 4r1k1/pq3p1p/2p1r1p1/2Q1p3/3nN1P1/1P6/P1P2P1P/3RR1K1 w - -
+solution Rxd4
+id "WAC.257"
+go
+setboard r3brkn/1p5p/2p2Ppq/2Pp3B/3Pp2Q/4P1R1/6PP/5R1K w - -
+solution Bxg6
+id "WAC.258"
+go
+setboard r1bq1rk1/ppp2ppp/2np4/2bN1PN1/2B1P3/3p4/PPP2nPP/R1BQ1K1R w - -
+solution Qh5
+id "WAC.259"
+go
+setboard 2r2b1r/p1Nk2pp/3p1p2/N2Qn3/4P3/q6P/P4PP1/1R3K1R w - -
+solution Qe6+
+id "WAC.260"
+go
+setboard r5k1/1bp3pp/p2p4/1p6/5p2/1PBP1nqP/1PP3Q1/R4R1K b - -
+solution Nd4
+id "WAC.261"
+go
+setboard 6k1/p1B1b2p/2b3r1/2p5/4p3/1PP1N1Pq/P2R1P2/3Q2K1 b - -
+solution Rh6
+id "WAC.262"
+go
+setboard rnbqr2k/pppp1Qpp/8/b2NN3/2B1n3/8/PPPP1PPP/R1B1K2R w KQ -
+solution Qg8+
+id "WAC.263"
+go
+setboard r2r2k1/1R2qp2/p5pp/2P5/b1PN1b2/P7/1Q3PPP/1B1R2K1 b - -
+solution Rab8
+id "WAC.264"
+go
+setboard 2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k -
+solution exf6
+id "WAC.265"
+go
+setboard r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - -
+solution Rxh2+
+id "WAC.266"
+go
+setboard 2r1kb1r/pp3ppp/2n1b3/1q1N2B1/1P2Q3/8/P4PPP/3RK1NR w Kk -
+solution Nc7+
+id "WAC.267"
+go
+setboard 2r3kr/ppp2n1p/7B/5q1N/1bp5/2Pp4/PP2RPPP/R2Q2K1 w - -
+solution Re8+
+id "WAC.268"
+go
+setboard 2kr2nr/pp1n1ppp/2p1p3/q7/1b1P1B2/P1N2Q1P/1PP1BPP1/R3K2R w KQ -
+solution axb4
+id "WAC.269"
+go
+setboard 2r1r1k1/pp1q1ppp/3p1b2/3P4/3Q4/5N2/PP2RPPP/4R1K1 w - -
+solution Qg4
+id "WAC.270"
+go
+setboard 2kr4/ppp3Pp/4RP1B/2r5/5P2/1P6/P2p4/3K4 w - -
+solution Rd6
+id "WAC.271"
+go
+setboard nrq4r/2k1p3/1p1pPnp1/pRpP1p2/P1P2P2/2P1BB2/1R2Q1P1/6K1 w - -
+solution Bxc5
+id "WAC.272"
+go
+setboard 2k4B/bpp1qp2/p1b5/7p/1PN1n1p1/2Pr4/P5PP/R3QR1K b - -
+solution Ng3+
+id "WAC.273"
+go
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+solution Rb6
+id "WAC.274"
+go
+setboard r1b2rk1/1p1n1ppp/p1p2q2/4p3/P1B1Pn2/1QN2N2/1P3PPP/3R1RK1 b - -
+solution Nxg2
+solution b5
+id "WAC.275"
+go
+setboard r5k1/pp1RR1pp/1b6/6r1/2p5/B6P/P4qPK/3Q4 w - -
+solution Qd5+
+id "WAC.276"
+go
+setboard 1r4r1/p2kb2p/bq2p3/3p1p2/5P2/2BB3Q/PP4PP/3RKR2 b - -
+solution Rg3
+solution Rxg2
+id "WAC.277"
+go
+setboard r2qkb1r/pppb2pp/2np1n2/5pN1/2BQP3/2N5/PPP2PPP/R1B1K2R w KQkq -
+solution Bf7+
+id "WAC.278"
+go
+setboard r7/4b3/2p1r1k1/1p1pPp1q/1P1P1P1p/PR2NRpP/2Q3K1/8 w - -
+solution Nxf5
+id "WAC.279"
+go
+setboard r1r2bk1/5p1p/pn4p1/N2b4/3Pp3/B3P3/2q1BPPP/RQ3RK1 b - -
+solution Bxa3
+id "WAC.280"
+go
+setboard 2R5/2R4p/5p1k/6n1/8/1P2QPPq/r7/6K1 w - -
+solution Rxh7+
+id "WAC.281"
+go
+setboard 6k1/2p3p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - -
+solution Rh8+
+id "WAC.282"
+go
+setboard 3q1rk1/4bp1p/1n2P2Q/3p1p2/6r1/Pp2R2N/1B4PP/7K w - -
+solution Ng5
+id "WAC.283"
+go
+setboard 3r3k/pp4pp/8/1P6/3N4/Pn2P1qb/1B1Q2B1/2R3K1 w - -
+solution Nf5
+id "WAC.284"
+go
+setboard 2rr3k/1b2bppP/p2p1n2/R7/3P4/1qB2P2/1P4Q1/1K5R w - -
+solution Qxg7+
+id "WAC.285"
+go
+setboard 3r1k2/1p6/p4P2/2pP2Qb/8/1P1KB3/P6r/8 b - -
+solution Rxd5+
+id "WAC.286"
+go
+setboard rn3k1r/pp2bBpp/2p2n2/q5N1/3P4/1P6/P1P3PP/R1BQ1RK1 w - -
+solution Qh5
+id "WAC.287"
+go
+setboard r1b2rk1/p4ppp/1p1Qp3/4P2N/1P6/8/P3qPPP/3R1RK1 w - -
+solution Nf6+
+id "WAC.288"
+go
+setboard 2r3k1/5p1p/p3q1p1/2n3P1/1p1QP2P/1P4N1/PK6/2R5 b - -
+solution Qe5
+id "WAC.289"
+go
+setboard 2k2r2/2p5/1pq5/p1p1n3/P1P2n1B/1R4Pp/2QR4/6K1 b - -
+solution Ne2+
+id "WAC.290"
+go
+setboard 5r1k/3b2p1/p6p/1pRpR3/1P1P2q1/P4pP1/5QnP/1B4K1 w - -
+solution h3
+id "WAC.291"
+go
+setboard 4r3/1Q1qk2p/p4pp1/3Pb3/P7/6PP/5P2/4R1K1 w - -
+solution d6+
+id "WAC.292"
+go
+setboard 1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - -
+solution Nfg5
+id "WAC.293"
+go
+setboard 3r3k/1r3p1p/p1pB1p2/8/p1qNP1Q1/P6P/1P4P1/3R3K w - -
+solution Bf8
+solution Nf5
+solution Qf4
+id "WAC.294"
+go
+setboard 4r3/p4r1p/R1p2pp1/1p1bk3/4pNPP/2P1K3/2P2P2/3R4 w - -
+solution Rxd5+
+id "WAC.295"
+go
+setboard 3r4/1p2k2p/p1b1p1p1/4Q1Pn/2B3KP/4pP2/PP2R1N1/6q1 b - -
+solution Rd4+
+solution Rf8
+id "WAC.296"
+go
+setboard 3r1rk1/p3qp1p/2bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -
+solution Bxg2
+solution Bxh2+
+id "WAC.297"
+go
+setboard 3Q4/p3b1k1/2p2rPp/2q5/4B3/P2P4/7P/6RK w - -
+solution Qh8+
+id "WAC.298"
+go
+setboard 1n2rr2/1pk3pp/pNn2p2/2N1p3/8/6P1/PP2PPKP/2RR4 w - -
+solution Nca4
+id "WAC.299"
+go
+setboard b2b1r1k/3R1ppp/4qP2/4p1PQ/4P3/5B2/4N1K1/8 w - -
+solution g6
+id "WAC.300"
+go
+version
+quit
--- /dev/null
+setboard 8/6p1/7k/8/1K6/8/1P6/8 w - -
+id "MES.0001"
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+id "MES.0002"
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+go
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+id "MES.0003"
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+id "MES.0007"
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+id "MES.0010"
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+id "MES.0011"
+solution g4+
+go
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+id "MES.0013"
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+id "MES.0015"
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+id "MES.0016"
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+id "MES.0017"
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+id "MES.0018"
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+id "MES.0019"
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+id "MES.0020"
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+id "MES.0021"
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+id "MES.0022"
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+go
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+id "MES.0023"
+solution hxg5+
+go
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+id "MES.0024"
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+id "MES.0025"
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+id "MES.0026"
+solution h8=Q
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+id "MES.0027"
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+id "MES.0028"
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+id "MES.0029"
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+id "MES.0030"
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+go
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+id "MES.0031"
+solution Kc6
+go
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+id "MES.0032"
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+go
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+id "MES.0033"
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+id "MES.0034"
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+id "MES.0035"
+solution a6
+go
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+id "MES.0036"
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+id "MES.0037"
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+id "MES.0038"
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+id "MES.0039"
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+id "MES.0040"
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+id "MES.0041"
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+id "MES.0042"
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+id "MES.0043"
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+id "MES.0044"
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+id "MES.0045"
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+id "MES.0046"
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+id "MES.0047"
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+id "MES.0048"
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+id "MES.0049"
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+go
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+id "MES.0050"
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+id "MES.0051"
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+id "MES.0052"
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+id "MES.0053"
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+id "MES.0054"
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+id "MES.0055"
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+id "MES.0056"
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+id "MES.0057"
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+id "MES.0058"
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+id "MES.0059"
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+id "MES.0060"
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+id "MES.0061"
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+id "MES.0063"
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+id "MES.0064"
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+id "MES.0065"
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+id "MES.0066"
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+id "MES.0067"
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+id "MES.0069"
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+id "MES.0070"
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+id "MES.0072"
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+id "MES.0073"
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+id "MES.0074"
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+id "MES.0075"
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+id "MES.0076"
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+id "MES.0077"
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+id "MES.0078"
+solution Kf1
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+id "MES.0079"
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+go
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+id "MES.0080"
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+id "MES.0081"
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+id "MES.0082"
+solution Nb2
+go
+setboard 7N/2K5/8/8/7p/2k5/8/8 w - -
+id "MES.0083"
+solution Nf7
+go
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+id "MES.0084"
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+id "MES.0085"
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+id "MES.0086"
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+id "MES.0087"
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+id "MES.0088"
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+id "MES.0089"
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+id "MES.0090"
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+id "MES.0091"
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+id "MES.0092"
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+id "MES.0093"
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+id "MES.0094"
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+id "MES.0095"
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+id "MES.0096"
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+id "MES.0097"
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+id "MES.0098"
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+id "MES.0099"
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+id "MES.0100"
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+id "MES.0101"
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+id "MES.0102"
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+id "MES.0103"
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+id "MES.0104"
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+id "MES.0107"
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+id "MES.0115"
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+id "MES.0120"
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+id "MES.0121"
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+id "MES.0122"
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+id "MES.0123"
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+id "MES.0124"
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+id "MES.0125"
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+id "MES.0126"
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+id "MES.0127"
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+id "MES.0128"
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+id "MES.0129"
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+id "MES.0130"
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+id "MES.0131"
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+id "MES.0132"
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+id "MES.0133"
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+id "MES.0134"
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+id "MES.0135"
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+id "MES.0136"
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+id "MES.0137"
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+id "MES.0138"
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+id "MES.0139"
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+id "MES.0140"
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+id "MES.0141"
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+id "MES.0142"
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+id "MES.0143"
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+id "MES.0144"
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+id "MES.0145"
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+id "MES.0146"
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+id "MES.0147"
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+id "MES.0148"
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+id "MES.0149"
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+id "MES.0150"
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+id "MES.0151"
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+id "MES.0152"
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+id "MES.0153"
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+id "MES.0154"
+solution Kg1
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+id "MES.0155"
+solution h8=R
+go
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+id "MES.0156"
+solution g4
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+id "MES.0157"
+solution Kd6
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+id "MES.0158"
+solution Ke2
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+id "MES.0159"
+solution Bb4
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+id "MES.0160"
+solution Bh6+
+go
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+id "MES.0161"
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+id "MES.0162"
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+id "MES.0163"
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+id "MES.0164"
+solution Bd4
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+id "MES.0165"
+solution Ba1
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+id "MES.0166"
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+id "MES.0167"
+solution Bg2
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+id "MES.0168"
+solution Be3
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+id "MES.0169"
+solution Be8
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+setboard k7/pp1K4/P2B4/p7/P7/P7/8/8 w - -
+id "MES.0170"
+solution Kc8
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+id "MES.0171"
+solution Bd2
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+setboard 1k6/1p1p4/PK2p3/5p1p/6pP/8/8/5B2 w - -
+id "MES.0172"
+solution a7+
+go
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+id "MES.0173"
+solution Kg6
+go
+setboard 3k4/3p4/3P1P2/P6B/1p1p4/1KPP3p/1P3p2/8 w - -
+id "MES.0174"
+solution a6
+go
+setboard 8/1p6/1P6/3p1p1p/p2PpPpk/2p1P2P/2P1B1P1/6K1 w - -
+id "MES.0175"
+solution Kf2
+go
+setboard 8/8/8/2P4B/8/5K2/3k4/5b2 w - -
+id "MES.0176"
+solution c6
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+setboard 8/8/2B5/7b/7k/2K5/1P6/8 w - -
+id "MES.0177"
+solution b4
+go
+setboard 8/8/8/1P6/7b/7k/7B/7K w - -
+id "MES.0178"
+solution b6
+go
+setboard B3K3/8/8/P1p5/8/8/2b4k/8 w - -
+id "MES.0179"
+solution a6
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+setboard 8/8/B3P3/3k4/5K2/2P4b/8/8 w - -
+id "MES.0180"
+solution Bc8
+go
+setboard 1K6/3p4/3P4/8/k7/1p6/8/1b5B w - -
+id "MES.0181"
+solution Bc6+
+go
+setboard 8/8/7B/2P5/1p4p1/3k4/7K/4b3 w - -
+id "MES.0182"
+solution c6
+go
+setboard k7/8/8/1p2P1p1/bK6/8/B7/8 w - -
+id "MES.0183"
+solution Bf7
+go
+setboard 3B4/6b1/6P1/2p5/P1k5/8/8/5K2 w - -
+id "MES.0184"
+solution Ba5
+go
+setboard 8/pB4Pb/4k3/8/K2P4/8/8/8 w - -
+id "MES.0185"
+solution Be4
+go
+setboard 8/8/p7/p3b1B1/8/p7/1p2k3/1K6 w - -
+id "MES.0186"
+solution Be7
+go
+setboard k2K4/8/6P1/2B5/5P2/p7/4p2b/8 w - -
+id "MES.0187"
+solution g7
+go
+setboard B6k/6p1/2K3PP/8/4p3/8/6b1/8 w - -
+id "MES.0188"
+solution Kd6
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+setboard 8/4k3/6b1/2p5/2BP4/p4K2/4P3/8 w - -
+id "MES.0189"
+solution Kf4
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+setboard 8/8/2p2K2/5B1p/k7/8/2P1P3/1b6 w - -
+id "MES.0190"
+solution e4
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+id "MES.0192"
+solution Ba3
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+id "MES.0193"
+solution h6
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+id "MES.0194"
+solution Bf5
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+setboard 8/3p4/pp1B4/k7/p1P5/P1bp4/8/3K4 w - -
+id "MES.0195"
+solution Kc1
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+setboard 1B6/3k4/3p4/1P6/p4b2/Pp6/1P1pK3/8 w - -
+id "MES.0196"
+solution b6
+go
+setboard 1b6/3k3p/P1p5/2Pp3p/K2P3P/8/8/6B1 w - -
+id "MES.0197"
+solution a7
+go
+setboard 8/8/8/3pk1K1/1p1p4/1PpP3b/2P1B2P/8 w - -
+id "MES.0198"
+solution Bg4
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+setboard 7k/2b5/6P1/2p2P1K/2Pp4/p2P4/2p5/2B5 w - -
+id "MES.0199"
+solution f6
+go
+setboard 6k1/4b2p/7B/6p1/3p2P1/3Pp1p1/2K1P1P1/8 w - -
+id "MES.0200"
+solution Kb3
+go
+setboard 8/2p2b2/Pp1p4/4pp2/k7/2P5/1P2BPK1/8 w - -
+id "MES.0201"
+solution b3+
+go
+setboard B4k1K/4pP1p/PP2P2P/8/8/p7/1p6/3b4 w - -
+id "MES.0202"
+solution Be4
+go
+setboard 5k1K/7p/1Pb2P2/5P1B/p2Pp3/4P3/4P3/8 w - -
+id "MES.0203"
+solution Be8
+go
+setboard 8/6p1/4ppb1/P1p1p3/1k6/3PP3/1PK3P1/5B2 w - -
+id "MES.0204"
+solution a6
+go
+setboard 8/p1p2pp1/1pP3p1/7k/3PPb2/5P1P/8/3K2B1 w - -
+id "MES.0205"
+solution d5
+go
+setboard 8/5b1P/8/4K1B1/1k6/8/p7/8 w - -
+id "MES.0206"
+solution Bd2+
+go
+setboard 5b2/1B6/1P4k1/4P3/8/8/8/K7 w - -
+id "MES.0207"
+solution Be4+
+go
+setboard 7B/7k/3p1Kp1/6P1/8/8/8/1b6 w - -
+id "MES.0208"
+solution Bg7
+go
+setboard 8/1p6/8/8/4p3/1k1P4/5b2/KB6 w - -
+id "MES.0209"
+solution Ba2+
+go
+setboard 3k4/1K6/1P6/5p2/B1p5/8/3b4/8 w - -
+id "MES.0210"
+solution Ka6
+go
+setboard b7/8/3p4/P7/6p1/8/4KBk1/8 w - -
+id "MES.0211"
+solution Be3
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+setboard 8/pkP3P1/3B4/8/3K4/1b6/8/8 w - -
+id "MES.0212"
+solution Kc3
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+id "MES.0213"
+solution Kf4
+go
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+id "MES.0214"
+solution Kc5
+go
+setboard 3K1k2/8/2P5/2p5/5P2/8/1B4p1/3b4 w - -
+id "MES.0215"
+solution c7
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+id "MES.0216"
+solution Be5+
+go
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+id "MES.0217"
+solution Ka8
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+id "MES.0218"
+solution f5+
+go
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+id "MES.0219"
+solution Kb8
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+id "MES.0220"
+solution a6
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+id "MES.0221"
+solution a6
+go
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+id "MES.0222"
+solution b6
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+id "MES.0223"
+solution c6
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+id "MES.0224"
+solution h6
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+setboard 8/5pp1/3k2p1/1p6/pPB5/P4Kb1/5PP1/8 w - -
+id "MES.0225"
+solution fxg3
+go
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+id "MES.0231"
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+id "MES.0232"
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+id "MES.0233"
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+id "MES.0234"
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+id "MES.0235"
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+id "MES.0265"
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+id "MES.0270"
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+id "MES.0271"
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+id "MES.0272"
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+id "MES.0273"
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+id "MES.0274"
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+id "MES.0275"
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+id "MES.0276"
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+id "MES.0280"
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+id "MES.0289"
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+id "MES.0291"
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+id "MES.0292"
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+id "MES.0293"
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+id "MES.0297"
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+id "MES.0298"
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+id "MES.0299"
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+id "MES.0302"
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+id "MES.0311"
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+id "MES.0312"
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+id "MES.0313"
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+id "MES.0316"
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+id "MES.0317"
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+id "MES.0323"
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+id "MES.0328"
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+id "MES.0354"
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+setboard 7K/1b6/8/8/3P4/4k3/1B1N2p1/8 w - -
+id "MES.0366"
+solution d5
+go
+setboard b6k/7p/2p5/8/8/2N5/3B4/1K6 w - -
+id "MES.0367"
+solution Bh6
+go
+setboard 8/8/7k/8/7P/2p5/4KN2/3B2b1 w - -
+id "MES.0368"
+solution Nd3
+go
+setboard 8/6P1/8/8/4k2K/8/2b4p/2N1B3 w - -
+id "MES.0369"
+solution g8=Q
+go
+setboard k7/8/B3P3/8/1K5b/8/4N2p/8 w - -
+id "MES.0370"
+solution Ng3
+go
+setboard 8/5b2/8/6B1/3k4/K7/1P4p1/1N6 w - -
+id "MES.0371"
+solution Nd2
+go
+setboard 1k6/2p5/B7/4Np2/8/8/6p1/6Kb w - -
+id "MES.0372"
+solution Nc6+
+go
+setboard 8/4K1p1/3N4/5P2/4B3/1k6/3pb3/8 w - -
+id "MES.0373"
+solution f6
+go
+setboard K7/2b5/3p1p2/4k3/4P3/4N3/8/2B5 w - -
+id "MES.0374"
+solution Kb7
+go
+setboard 8/8/pp6/8/kb3Np1/7P/1K6/4B3 w - -
+id "MES.0375"
+solution Bxb4
+go
+setboard 8/5N2/5pP1/7b/p7/8/1Pk5/4BK2 w - -
+id "MES.0376"
+solution Nh8
+go
+setboard 8/8/6p1/7p/pb6/k6P/2P1pB2/NK6 w - -
+id "MES.0377"
+solution c3
+go
+setboard 4K3/2k1Bp1N/6p1/5PP1/8/7p/b7/8 w - -
+id "MES.0378"
+solution Bf6
+go
+setboard 4Bk2/1pp2p1K/3p4/P5Pb/4P3/5N2/8/8 w - -
+id "MES.0379"
+solution Bc6
+go
+setboard 1b6/4P3/1P2PN2/8/2P5/P1k5/P1p2P2/K5B1 w - -
+id "MES.0380"
+solution Ne4+
+go
+setboard 6b1/2p1B1P1/p1K5/k7/p6p/p1Np2p1/8/8 w - -
+id "MES.0381"
+solution Na2
+go
+setboard 3k4/3p4/P2P2P1/p1p1P3/K3p3/3P3B/P3p2P/3N3b w - -
+id "MES.0382"
+solution Nc3
+go
+setboard 8/1p1p4/1p1PPp2/1P1K1k1P/2PP4/4B2P/5pp1/6Nb w - -
+id "MES.0383"
+solution e7
+go
+setboard 8/5BK1/8/8/p7/4B3/pn6/1k6 w - -
+id "MES.0384"
+solution Bg6+
+go
+setboard 6K1/8/6B1/8/8/2B5/pP6/k2n4 w - -
+id "MES.0385"
+solution Bh8
+go
+setboard 8/8/8/3kp3/3p4/P2B4/K1N3Np/8 w - -
+id "MES.0386"
+solution Nf4+
+go
+setboard 8/B4p2/4Np2/8/3K1P2/7N/4p2k/8 w - -
+id "MES.0387"
+solution Ng1
+go
+setboard 2N1k3/4p3/3pKp2/5p2/4NB2/pp6/8/8 w - -
+id "MES.0388"
+solution Nexd6+
+go
+setboard 5N2/8/7B/8/2K5/1p1B4/p7/k7 w - -
+id "MES.0389"
+solution Bd2
+go
+setboard 8/8/6bk/8/4nP2/4K3/4N3/4n3 w - -
+id "MES.0390"
+solution f5
+go
+setboard 3kn1K1/1p6/P4b2/N2Pn3/8/6P1/8/8 w - -
+id "MES.0391"
+solution a7
+go
+setboard 8/8/7N/1k5b/3P4/K3P3/2P5/n5b1 w - -
+id "MES.0392"
+solution Kb2
+go
+setboard 8/8/P6P/5p2/8/1b6/nN4P1/k3b2K w - -
+id "MES.0393"
+solution Nd1
+go
+setboard 2N2n2/8/1P4P1/1P3KP1/1b6/p7/8/k6b w - -
+id "MES.0394"
+solution g7
+go
+setboard 2nn4/B7/KP1P4/8/3p3k/8/8/4b3 w - -
+id "MES.0395"
+solution b7
+go
+setboard 6K1/8/Pp3p1k/1Pb4P/p2p3N/3P1PP1/4P3/3b4 w - -
+id "MES.0396"
+solution Nf5+
+go
+setboard b7/7P/2p3np/2P3p1/1P4PP/2B3Pk/7p/6bK w - -
+id "MES.0397"
+solution h5
+go
+setboard 3n2k1/3N4/7P/6N1/8/K7/7P/4b3 w - -
+id "MES.0398"
+solution Nf6+
+go
+setboard 8/8/p5Pb/1kpbP3/5p2/1N6/1KPN4/8 w - -
+id "MES.0399"
+solution c4+
+go
+setboard 2N5/5B2/8/4nk1K/6n1/4p3/8/8 w - -
+id "MES.0400"
+solution Ne7+
+go
--- /dev/null
+setboard r3rnk1/4qpp1/p5np/4pQ2/Pb2N3/1B5P/1P3PP1/R1BR2K1 w - -
+id "IQ.894"
+solution Bxh6
+go
+setboard r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - -
+id "IQ.895"
+solution Bxh6
+go
+setboard 6rk/1p1br2p/pqp5/3pNP2/1P1Pp3/P5PR/5PKR/Q7 w - -
+id "IQ.915"
+solution Rxh7+
+go
+setboard r4rk1/pb1q1ppp/2N1p3/2Rn4/3P4/3BPQ2/5PPP/2R3K1 w - -
+id "IQ.916"
+solution Bxh7+
+go
+setboard 3rk1nr/1p3q2/p1n2P1p/P1ppp3/3b4/2N2QPB/1PP4P/R1B2R1K w k -
+id "IQ.917"
+solution Nxd5
+go
+setboard 3rk1nr/1p3q2/p1n2P1p/P1ppp3/3b4/2N2QPB/1PP4P/R1B2R1K w k -
+id "IQ.918"
+solution Nxd5
+go
+setboard 6rk/2nbNq1p/3p1PpR/2pPp1P1/1nBbP3/2N3K1/1P6/2B4Q w - -
+id "IQ.919"
+solution Rxh7+
+go
+setboard 6rk/2nbNq1p/3p1PpR/2pPp1P1/1nBbP3/2N3K1/1P6/2B4Q w - -
+id "IQ.920"
+solution Rxh7+
+go
+setboard 6rk/2nbNq1p/3p1PpR/2pPp1P1/1nBbP3/2N3K1/1P6/2B4Q w - -
+id "IQ.921"
+solution Rxh7+
+go
+setboard r4r2/2q2pkp/p3pnp1/1p1b2Q1/2nN1N2/P4P2/BPP3PP/R4R1K w - -
+id "IQ.922"
+solution Nf5+
+go
+setboard r4r2/2q2pkp/p3pnp1/1p1b2Q1/2nN1N2/P4P2/BPP3PP/R4R1K w - -
+id "IQ.923"
+solution Nf5+
+go
+setboard r4r2/2q2pkp/p3pnp1/1p1b2Q1/2nN1N2/P4P2/BPP3PP/R4R1K w - -
+id "IQ.924"
+solution Nf5+
+go
+setboard 3r2k1/5pp1/R2B3q/2Q5/1p2rP2/6Pp/1bP2K1P/3R4 w - -
+id "IQ.925"
+solution Be5
+go
+setboard 1rb2r2/1p1nppk1/2p1n1p1/p3P2p/2qP3R/2N3NP/PP1Q2B1/5RK1 w - -
+id "IQ.926"
+solution Bd5
+go
+setboard 3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - -
+id "IQ.927"
+solution g6
+go
+setboard 2qrrb2/pb3ppk/1npp3p/5N2/1p2n3/1P3NPB/PBPQ1P1P/3RR1K1 w - -
+id "IQ.928"
+solution Rxe4 Qf4
+go
+setboard 3r2k1/1p3pp1/1p6/7p/q2NP1P1/2Q2P1b/rP5P/2RR2K1 w - -
+id "IQ.929"
+solution Nf5
+go
+setboard 3r2k1/1p3pp1/1p6/7p/q2NP1P1/2Q2P1b/rP5P/2RR2K1 w - -
+id "IQ.930"
+solution Nf5
+go
+setboard 2q1r2k/5R1p/pp1B2pN/2p1P3/1n1b4/3P2Q1/1P4K1/8 w - -
+id "IQ.931"
+solution Qh4
+go
+setboard 2rr2k1/pb3p1p/1pq3p1/4R1N1/2n5/P4P2/BP2Q1PP/4R2K w - -
+id "IQ.932"
+solution Nxf7 Re7
+go
+setboard 2r1b1k1/p1q1brp1/1p2p1QB/4p3/4N3/2PBR3/P4PPP/6K1 w - -
+id "IQ.933"
+solution Qh7+
+go
+setboard 2r1b1k1/p1q1brp1/1p2p1QB/4p3/4N3/2PBR3/P4PPP/6K1 w - -
+id "IQ.934"
+solution Qh7+
+go
+setboard r1b1rnk1/pp3ppp/3qp3/2pnNPB1/2BP4/2P5/P1P1Q1PP/3R1RK1 w - -
+id "IQ.935"
+solution Nxf7
+go
+setboard 2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - -
+id "IQ.936"
+solution Qxc7+
+go
+setboard 2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - -
+id "IQ.937"
+solution Qxc7+
+go
+setboard 2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - -
+id "IQ.938"
+solution Qxc7+
+go
+setboard r1bq1rk1/pp1n1pp1/5n1p/2b1pN2/2B4B/2N1P3/PPQ2PPP/2KR3R w - -
+id "IQ.939"
+solution Nxh6+
+go
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -
+id "IQ.940"
+solution Re6
+go
+setboard 5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - -
+id "IQ.941"
+solution Re6
+go
+setboard 5rk1/q5pp/4p3/r1bp1p2/1p1B1P2/1P1QP3/P4RPP/2R3K1 w - -
+id "IQ.943"
+solution Rxc5
+go
+setboard 5rk1/q5pp/4p3/r1bp1p2/1p1B1P2/1P1QP3/P4RPP/2R3K1 w - -
+id "IQ.944"
+solution Rxc5
+go
+setboard 2R4Q/pp1bkp2/4p1r1/qN1p4/Pb6/4B3/1P3PPP/6K1 w - -
+id "IQ.945"
+solution Bb6
+go
+setboard 2R4Q/pp1bkp2/4p1r1/qN1p4/Pb6/4B3/1P3PPP/6K1 w - -
+id "IQ.946"
+solution Bb6
+go
+setboard 6k1/6p1/p3br2/1p2Q3/5r2/1P1B2R1/1P3qPP/2R4K w - -
+id "IQ.947"
+solution Rc8+
+go
+setboard 6k1/6p1/p3br2/1p2Q3/5r2/1P1B2R1/1P3qPP/2R4K w - -
+id "IQ.948"
+solution Rc8+
+go
+setboard 5r1k/1b1P3p/4Q1pb/8/P7/4N1PP/1P2r3/R2R2K1 w - -
+id "IQ.949"
+solution Qf6+
+go
+setboard 5r1k/1b1P3p/4Q1pb/8/P7/4N1PP/1P2r3/R2R2K1 w - -
+id "IQ.950"
+solution Qf6+
+go
+setboard 4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - -
+id "IQ.951"
+solution Bd3
+go
+setboard 4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - -
+id "IQ.952"
+solution Bd3
+go
+setboard 4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - -
+id "IQ.953"
+solution Bd3
+go
+setboard 2rq1r2/pp1b1pkp/8/P2Q2P1/n1nN4/2P5/2P3BP/R1B2RK1 w - -
+id "IQ.954"
+solution Rxa4
+go
+setboard 2rq1r2/pp1b1pkp/8/P2Q2P1/n1nN4/2P5/2P3BP/R1B2RK1 w - -
+id "IQ.955"
+solution Rxa4
+go
+setboard 2qr1r2/p2n1ppk/1p2p2p/5b2/2PP2NQ/1B4R1/P4PPP/R5K1 w - -
+id "IQ.956"
+solution Bc2
+go
+setboard 2qr1r2/p2n1ppk/1p2p2p/5b2/2PP2NQ/1B4R1/P4PPP/R5K1 w - -
+id "IQ.957"
+solution Bc2
+go
+setboard 1r2q1k1/1p6/pN2p1p1/P3p3/2PbQ3/1P5P/6P1/5R1K w - -
+id "IQ.958"
+solution Nd7
+go
+setboard 1r2q1k1/1p6/pN2p1p1/P3p3/2PbQ3/1P5P/6P1/5R1K w - -
+id "IQ.959"
+solution Nd7
+go
+setboard 6k1/pp2q2r/2r1p3/1RPpPpp1/3P4/P5P1/3Q1PK1/7R w - -
+id "IQ.960"
+solution Rxb7
+go
+setboard k7/p1r4p/1pP1bq2/1P4p1/1Qn1B3/2b1P2P/P1P2PP1/3R2K1 w - -
+id "IQ.961"
+solution Qxc3
+go
+setboard k7/p1r4p/1pP1bq2/1P4p1/1Qn1B3/2b1P2P/P1P2PP1/3R2K1 w - -
+id "IQ.962"
+solution Qxc3
+go
+setboard k7/p1r4p/1pP1bq2/1P4p1/1Qn1B3/2b1P2P/P1P2PP1/3R2K1 w - -
+id "IQ.963"
+solution Qxc3
+go
+setboard 2r1k1nr/3bbpp1/p2p2P1/4pP2/1pqNP3/2N1B3/PPP3Q1/1K1R2R1 w k -
+id "IQ.964"
+solution b3 Nd5
+go
+setboard r6r/p1kn4/2p1b3/q3p1Qp/4P3/2PBB2P/P5P1/3R1RK1 w - -
+id "IQ.965"
+solution Bc4
+go
+setboard 1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - -
+id "IQ.966"
+solution Bf4
+go
+setboard 4rk2/1p3r2/3q1nQp/1R1P2p1/P2pp3/3B2PP/1P3P2/2R3K1 w - -
+id "IQ.967"
+solution Qxh6+ Rxb7
+go
+setboard r5k1/1p3pbp/2q1p1p1/p1p1P3/n1P5/P1B2N1P/1P2QPP1/3R2K1 w - -
+id "IQ.968"
+solution Bxa5
+go
+setboard 1rb1r2k/3nq1b1/2p2pp1/p3p2p/P1B1P3/1P1RB1N1/2P2QPP/3R3K w - -
+id "IQ.969"
+solution Nf5 Rd6
+go
+setboard 1rb1r2k/3nq1b1/2p2pp1/p3p2p/P1B1P3/1P1RB1N1/2P2QPP/3R3K w - -
+id "IQ.970"
+solution Nf5 Rd6
+go
+setboard 4q1k1/p6p/1p2n2B/2p2rp1/2P5/2P2P2/P2Q2PP/4R1K1 w - -
+id "IQ.971"
+solution Rxe6
+go
+setboard 4q1k1/p6p/1p2n2B/2p2rp1/2P5/2P2P2/P2Q2PP/4R1K1 w - -
+id "IQ.972"
+solution Rxe6
+go
+setboard 4rbk1/1q3ppp/2Rr4/1p1P1B2/2b1PR2/p5P1/5P1P/B1Q3K1 w - -
+id "IQ.973"
+solution Bxh7+ Rxd6 Rh4 Bxg7
+go
+setboard 6k1/p1p2pp1/2p1n1q1/1r2P3/4N1PQ/5P2/P6P/3R3K w - -
+id "IQ.974"
+solution Rd8+
+go
+setboard r1b2r2/4ppkp/p2p1np1/qpn5/2PNP1P1/2N2P2/PP1QB2P/R3K2R w KQ -
+id "IQ.975"
+solution g5 cxb5
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.976"
+solution Qh6+
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.977"
+solution Qh6+
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.978"
+solution Qh6+
+go
+setboard 2r3k1/pR5p/2ppNb2/1Q1P1ppP/4q3/4P1P1/5P2/6K1 w - -
+id "IQ.979"
+solution Rg7+ Qa6
+go
+setboard 7R/5Q2/6pp/4rp1k/P3P3/5Pb1/4KPq1/3R4 w - -
+id "IQ.980"
+solution Rxh6+
+go
+setboard rnb4r/p1pq1Pkp/1pn1p1p1/3p2N1/3P4/P1PB3Q/2P2PPP/R1B1K2R w KQ -
+id "IQ.981"
+solution Qh6+
+go
+setboard r1r5/p2qnkbp/bp2ppp1/3p4/3P1P2/1Q1N1N1B/PP2PP1P/2R2RK1 w - -
+id "IQ.982"
+solution Nde5+
+go
+setboard r1b2rk1/1p3pbn/p2p2p1/q1nPp2p/P3P3/2NBBPN1/1P1Q2PP/R4RK1 w - -
+id "IQ.983"
+solution b4
+go
+setboard b3k3/2q1b1p1/p3p2r/1pPpP2p/1P1N3P/6P1/P3Q3/1BR3K1 w - -
+id "IQ.984"
+solution Bg6+
+go
+setboard 8/2bP1Q1p/6pk/p3p3/P1Bp4/1P1R2KP/5PP1/2q4r w - -
+id "IQ.985"
+solution Re3
+go
+setboard 8/2bP1Q1p/6pk/p3p3/P1Bp4/1P1R2KP/5PP1/2q4r w - -
+id "IQ.987"
+solution Re3
+go
+setboard 2b1rqk1/2R2ppp/1p1P4/p3Q3/7P/P7/B4PP1/6K1 w - -
+id "IQ.989"
+solution Qxe8
+go
+setboard r3k2r/pppqnpbp/4p1p1/3nP1B1/Q2PN2P/5P2/PP2BP2/2R1K1R1 w - -
+id "IQ.990"
+solution Nd6+
+go
+setboard r3r1k1/1p3pPp/p1p5/3bb2N/7q/1P1Q4/2PB2PP/4RRK1 w - -
+id "IQ.991"
+solution Rxe5
+go
+setboard 1q1rr1k1/pn5p/1p3pp1/1Q2b1B1/1P6/5B1P/P4PP1/2R1R1K1 w - -
+id "IQ.992"
+solution Rxe5 Bxf6
+go
+setboard r2qrbk1/p2b2pp/1pn1pn2/3p4/2pP1P2/2P2NN1/PPQ3PP/RBB2RK1 w - -
+id "IQ.993"
+solution Ng5
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.994"
+solution Bxa6 Bxf6
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.995"
+solution Bxa6 Bxf6
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.996"
+solution Bxa6 Bxf6
+go
+setboard r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - -
+id "IQ.997"
+solution Bxa6 Bxf6
+go
+setboard r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - -
+id "IQ.998"
+solution Rxd6
+go
+setboard r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - -
+id "IQ.999"
+solution Rxd6
+go
+setboard r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - -
+id "IQ.1000"
+solution Rxd6
+go
+setboard r4rk1/5pp1/p2R1Bb1/1pq1Pp1p/7Q/1Bn5/P5PP/5R1K w - -
+id "IQ.1001"
+solution Bxg7
+go
+setboard r4rk1/5pp1/p2R1Bb1/1pq1Pp1p/7Q/1Bn5/P5PP/5R1K w - -
+id "IQ.1002"
+solution Bxg7
+go
+setboard 5r2/p4pkp/3bpNp1/q3n3/1r3B1Q/3p4/PPP2PPP/R4K1R w - -
+id "IQ.1003"
+solution Qh6+
+go
+setboard r3r3/pp2bBkp/6p1/q3p2Q/4n3/2N2R2/PPP3PP/2KR4 w - -
+id "IQ.1005"
+solution Bxg6
+go
+setboard r3r3/pp2bBkp/6p1/q3p2Q/4n3/2N2R2/PPP3PP/2KR4 w - -
+id "IQ.1006"
+solution Bxg6
+go
+setboard 5n2/3bp1r1/1r1p3k/p1p2pNp/1nP2P1P/1PN1PB1K/P5R1/6R1 w - -
+id "IQ.1007"
+solution Nf7+
+go
+setboard r2q1rk1/1p1bbppp/p1n1p3/2p1P2Q/4N3/6P1/PPPB1PBP/3RR1K1 w - -
+id "IQ.1008"
+solution Nf6+
+go
+setboard r2q1rk1/1p1bbppp/p1n1p3/2p1P2Q/4N3/6P1/PPPB1PBP/3RR1K1 w - -
+id "IQ.1009"
+solution Nf6+
+go
+setboard r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - -
+id "IQ.1010"
+solution Rxh6 Nd3
+go
+setboard r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - -
+id "IQ.1011"
+solution Rxh6 Nd3
+go
+setboard r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - -
+id "IQ.1012"
+solution Rxh6 Nd3
+go
+setboard r1b1rb2/1p3kpQ/p1p1p3/q1P1P3/3P4/4P1R1/PP4PP/R1B3K1 w - -
+id "IQ.1013"
+solution Bd2
+go
+setboard 3r1r2/p4pk1/bp2p1P1/4P2p/Pq1N1P2/2p4Q/2P3P1/3RK2R w - -
+id "IQ.1014"
+solution Qxh5
+go
+setboard 4Q2r/1b4pk/p1n1pr1p/1p2P2B/1qn5/5N2/PPP2PP1/2KRR3 w - -
+id "IQ.1015"
+solution Ng5+
+go
+setboard 3q1rk1/p1r2pp1/1p2p2p/6bn/3PNn2/1B2BP2/PP1Q1P1R/6RK w - -
+id "IQ.1016"
+solution Rxh5
+go
+setboard rr4k1/2q2ppp/p1b1p3/2b1pPPN/1p2P1R1/3B3Q/PPP4P/1K1R4 w - -
+id "IQ.1017"
+solution Nf6+
+go
+setboard 4r3/1r2ppk1/p2p1np1/2qP4/PpP5/1P1Q4/2B1R1PP/5R1K w - -
+id "IQ.1018"
+solution Rxf6
+go
+setboard 4r3/1r2ppk1/p2p1np1/2qP4/PpP5/1P1Q4/2B1R1PP/5R1K w - -
+id "IQ.1019"
+solution Rxf6
+go
+setboard r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - -
+id "IQ.1020"
+solution Nxh5
+go
+setboard 2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - -
+id "IQ.1021"
+solution Qxh7+
+go
+setboard r1r2k2/1q1n1p2/3PpPp1/4P2p/pbpN3R/2N3K1/1P2Q2P/3R4 w - -
+id "IQ.1022"
+solution Rxh5
+go
+setboard 6k1/1p3r1p/r2q1Pp1/2p1n1P1/p1PpP3/P2P2Q1/1P4B1/4RRK1 w - -
+id "IQ.1023"
+solution Rf5
+go
+setboard 6k1/1p3r1p/r2q1Pp1/2p1n1P1/p1PpP3/P2P2Q1/1P4B1/4RRK1 w - -
+id "IQ.1024"
+solution Rf5
+go
+setboard 6k1/1p3r1p/r2q1Pp1/2p1n1P1/p1PpP3/P2P2Q1/1P4B1/4RRK1 w - -
+id "IQ.1025"
+solution Rf5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1026"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1027"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1028"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1029"
+solution Rxh5
+go
+setboard 4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - -
+id "IQ.1030"
+solution Rxh5
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "IQ.1031"
+solution Nxh7
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "IQ.1032"
+solution Nxh7
+go
+setboard 2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - -
+id "IQ.1033"
+solution Nxh7
+go
+setboard r2qrnk1/1b2bppp/2p5/1p1pN1Pn/p2P1B2/3BP2P/PPQ2P2/2K3RR w - -
+id "IQ.1034"
+solution Bxh7+
+go
+setboard 3r2k1/2nqprb1/1p2p1Np/p2nP3/3pBP2/PP4RQ/1B5P/6RK w - -
+id "IQ.1035"
+solution Nf8 Nh8
+go
+setboard r4rk1/pppq2pp/1nbpp3/6B1/2PP2P1/3B3P/P1P2P2/1R1QR1K1 w - -
+id "IQ.1036"
+solution d5
+go
+setboard r4rk1/pppq2pp/1nbpp3/6B1/2PP2P1/3B3P/P1P2P2/1R1QR1K1 w - -
+id "IQ.1037"
+solution d5
+go
+setboard r1r1q2k/pp3pbp/4p3/2npPp1Q/3P1P1N/2P2RR1/P1P3PP/6K1 w - -
+id "IQ.1038"
+solution Rxg7
+go
+setboard r1r1q2k/pp3pbp/4p3/2npPp1Q/3P1P1N/2P2RR1/P1P3PP/6K1 w - -
+id "IQ.1039"
+solution Rxg7
+go
+setboard r4r1k/pbpq1p1B/1p2pp2/8/1b1P2Q1/8/PPP2PPP/2KR3R w - -
+id "IQ.1040"
+solution d5
+go
+setboard r4r1k/pbpq1p1B/1p2pp2/8/1b1P2Q1/8/PPP2PPP/2KR3R w - -
+id "IQ.1041"
+solution d5
+go
+setboard 2R5/r3b1k1/p2p4/P1pPp2p/6q1/2P2N1r/4Q1P1/5RK1 w - -
+id "IQ.1042"
+solution Nxe5
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1043"
+solution f4
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1044"
+solution f4
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1045"
+solution f4
+go
+setboard rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - -
+id "IQ.1046"
+solution f4
+go
+setboard 2q3k1/1p3pp1/4rbn1/r1pp1Np1/p2P4/4PN1R/PPQ2PP1/2K4R w - -
+id "IQ.1047"
+solution Ne7+
+go
+setboard 2q3k1/1p3pp1/4rbn1/r1pp1Np1/p2P4/4PN1R/PPQ2PP1/2K4R w - -
+id "IQ.1048"
+solution Ne7+
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "IQ.1049"
+solution Rxh7+ e6
+go
+setboard r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - -
+id "IQ.1050"
+solution Rxh7+ e6
+go
+setboard 4r3/pbrq1p1k/1p3Bpp/3pPn2/5PQ1/P6R/1P4PP/1B3RK1 w - -
+id "IQ.1051"
+solution Rh5 Qg5
+go
+setboard r1bn1r2/1pp3k1/p2p3p/6p1/2qNB3/2P2PP1/P1Q2KP1/1R5R w - -
+id "IQ.1052"
+solution Rxh6
+go
+setboard r1bn1r2/1pp3k1/p2p3p/6p1/2qNB3/2P2PP1/P1Q2KP1/1R5R w - -
+id "IQ.1053"
+solution Rxh6
+go
+setboard r4rk1/3bpp1p/pqp3p1/4P2n/2B5/1P6/PBPbQ1PP/4RR1K w - -
+id "IQ.1054"
+solution e6
+go
+setboard r4rk1/3bpp1p/pqp3p1/4P2n/2B5/1P6/PBPbQ1PP/4RR1K w - -
+id "IQ.1055"
+solution e6
+go
+setboard 2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -
+id "IQ.1056"
+solution Rxd3
+go
+setboard r3qrk1/1b3p2/1p1npnp1/2b1N1N1/p1P5/P1B5/1PB1QP1P/R2R2K1 w - -
+id "IQ.1057"
+solution Nd7
+go
+setboard r3nrk1/pp1q2pp/4R3/6p1/2PP4/1B3Q2/P4P1P/3R2K1 w - -
+id "IQ.1058"
+solution c5
+go
+setboard r5k1/4p2p/pp1qNnp1/2pPb3/2P1p1P1/4B3/PP1Q2P1/5R1K w - -
+id "IQ.1059"
+solution Bxc5
+go
+setboard r7/pp2pkbp/2pq2p1/8/2P2N2/1P2R1PP/P3QPK1/8 w - -
+id "IQ.1060"
+solution c5
+go
+setboard 2krb2r/p1q5/np2pPpp/n2pP3/2pP2P1/2P1N1B1/2P1Q1BK/RR6 w - -
+id "IQ.1061"
+solution Nxd5
+go
+setboard 2krb2r/p1q5/np2pPpp/n2pP3/2pP2P1/2P1N1B1/2P1Q1BK/RR6 w - -
+id "IQ.1062"
+solution Nxd5
+go
+setboard r7/1pqbr1pk/p1n4p/5p1P/2P1p3/2B3R1/PP1Q1PP1/1B2R1K1 w - -
+id "IQ.1063"
+solution Rxe4
+go
+setboard 2rq1r2/pb4k1/1p1p1p1p/n1pP1RpQ/2P1P2B/P1PB4/6PP/R5K1 w - -
+id "IQ.1064"
+solution e5
+go
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -
+id "IQ.1065"
+solution Nd6
+go
+setboard r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - -
+id "IQ.1066"
+solution Nd6
+go
+setboard 5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - -
+id "IQ.1067"
+solution Bg7
+go
+setboard 5qk1/2p2r1p/p1p4P/1p6/3P4/1Q6/P1P3P1/5RK1 w - -
+id "IQ.1068"
+solution Qg3+
+go
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -
+id "IQ.1069"
+solution Ng6+
+go
+setboard r2r3k/ppq3pp/2p1n3/4NQ2/3P4/1B6/PP3PPP/6K1 w - -
+id "IQ.1070"
+solution Ng6+
+go
+setboard r3b1rk/1p1qn1p1/p3p1np/3pPpBQ/3P4/3B1N1P/PP3PP1/2R2RK1 w - -
+id "IQ.1071"
+solution Bf6
+go
+setboard r3b1rk/1p1qn1p1/p3p1np/3pPpBQ/3P4/3B1N1P/PP3PP1/2R2RK1 w - -
+id "IQ.1072"
+solution Bf6
+go
+setboard r3b1rk/1p1qn1p1/p3p1np/3pPpBQ/3P4/3B1N1P/PP3PP1/2R2RK1 w - -
+id "IQ.1073"
+solution Bf6
+go
+setboard 2b2rk1/pp2R1bp/1qpp2p1/6N1/2P2PP1/3Q1B2/PP4PK/8 w - -
+id "IQ.1074"
+solution Bd5+
+go
+setboard 1q3rnk/5p2/3p1P1p/p3n3/Np1r2P1/1P1B4/1PP4Q/1K1R3R w - -
+id "IQ.1075"
+solution Qxh6+
+go
+setboard 2r3k1/1rq2p1p/pp1p1bp1/2pP2N1/2P1R3/1Q6/PP3PP1/4R1K1 w - -
+id "IQ.1076"
+solution Nxh7
+go
+setboard 3r3k/p5qp/bp2B1p1/n2P1p2/5N2/Q1R5/P4PPP/6K1 w - -
+id "IQ.1077"
+solution Qb2
+go
+setboard 3r3k/p5qp/bp2B1p1/n2P1p2/5N2/Q1R5/P4PPP/6K1 w - -
+id "IQ.1078"
+solution Qb2
+go
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -
+id "IQ.1079"
+solution Rc1
+go
+setboard 4r1kb/5p1p/6pB/3Np3/4n3/P3Q1PP/2q2P2/R5K1 w - -
+id "IQ.1080"
+solution Rc1
+go
+setboard 4k3/pp2pp2/4n1p1/3RP1P1/2r1N3/P1P5/1P2q3/1K5Q w - -
+id "IQ.1081"
+solution Nc5
+go
+setboard 5rk1/1b3p1p/4pb2/2p1N2Q/1pP2p2/1P1R3P/qB3PP1/6K1 w - -
+id "IQ.1082"
+solution Rd8
+go
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -
+id "IQ.1083"
+solution Rd4
+go
+setboard 5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - -
+id "IQ.1084"
+solution Rd4
+go
+setboard k1n1r3/p2R2bb/2p2qpp/4pp2/2P5/2B1Q1P1/PP3PBP/6K1 w - -
+id "IQ.1085"
+solution Qc5 Bxe5
+go
+setboard rr4k1/3nbp1p/p3p1p1/q2pPPP1/bp1B3R/1B2Q3/PPP4P/2K3R1 w - -
+id "IQ.1086"
+solution fxe6
+go
+setboard 7k/p2rq2p/1p3R1P/2p5/2P2P1Q/8/6PK/8 w - -
+id "IQ.1087"
+solution Qe1
+go
+setboard 7k/p2rq2p/1p3R1P/2p5/2P2P1Q/8/6PK/8 w - -
+id "IQ.1088"
+solution Qe1
+go
+setboard b1R2nk1/5ppp/1p3n2/5N2/1b2p3/1P2BP2/q3BQPP/6K1 w - -
+id "IQ.1089"
+solution Bc5
+go
+setboard 6k1/1p3ppp/1PbNp3/3rP1q1/2Q5/8/5PPP/1R4K1 w - -
+id "IQ.1090"
+solution Qxc6
+go
+setboard 6k1/1p3ppp/1PbNp3/3rP1q1/2Q5/8/5PPP/1R4K1 w - -
+id "IQ.1091"
+solution Qxc6
+go
+setboard 3r2k1/pqrP1p1p/6p1/1p6/n2Qp3/B1P1P3/P5PP/3R1RK1 w - -
+id "IQ.1092"
+solution Qf6 Bf8
+go
+setboard 4rrk1/4Qppp/p2P1n2/1p6/3p4/PB6/1PP3Pq/1K1RR3 w - -
+id "IQ.1093"
+solution Bxf7+
+go
+setboard 4rrk1/4Qppp/p2P1n2/1p6/3p4/PB6/1PP3Pq/1K1RR3 w - -
+id "IQ.1094"
+solution Bxf7+
+go
+setboard 4rrk1/4Qppp/p2P1n2/1p6/3p4/PB6/1PP3Pq/1K1RR3 w - -
+id "IQ.1095"
+solution Bxf7+
+go
+setboard 2b1r1k1/1r1n1pp1/q2p3p/1p1P4/1P1N1RPP/2Q1P3/5PBK/2R5 w - -
+id "IQ.1096"
+solution Qxc8
+go
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -
+id "IQ.1097"
+solution Qh6 Kg2
+go
+setboard b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - -
+id "IQ.1098"
+solution Qh6 Kg2
+go
+setboard 4r1k1/p4ppp/1p2q3/n2R4/2r1p3/Pn2B1P1/1Q2PPBP/3R2K1 w - -
+id "IQ.1099"
+solution Re5
+go
+setboard rnb3k1/6pp/p4q2/3p1N2/1p3Q2/1P6/1PP3PP/5R1K w - -
+id "IQ.1100"
+solution Nh6+
+go
+setboard r1b2r1k/2q2pp1/2pb3p/p1n1NB2/1pP5/1P5P/PBQ2PP1/3RR1K1 w - -
+id "IQ.1101"
+solution Rxd6
+go
+setboard r1b2r1k/2q2pp1/2pb3p/p1n1NB2/1pP5/1P5P/PBQ2PP1/3RR1K1 w - -
+id "IQ.1102"
+solution Rxd6
+go
+setboard 2k1r2r/2p2pb1/1pN4p/1P2P1p1/R1N5/2n5/5PPP/3R2K1 w - -
+id "IQ.1103"
+solution Ra8+
+go
+setboard 2k1r2r/2p2pb1/1pN4p/1P2P1p1/R1N5/2n5/5PPP/3R2K1 w - -
+id "IQ.1104"
+solution Ra8+
+go
+setboard 2k1r2r/2p2pb1/1pN4p/1P2P1p1/R1N5/2n5/5PPP/3R2K1 w - -
+id "IQ.1105"
+solution Ra8+
+go
+setboard 1q4r1/3Q1Npk/p6p/1p5N/8/7P/Pn3PP1/6K1 w - -
+id "IQ.1106"
+solution Qf5+
+go
+setboard 1q4r1/3Q1Npk/p6p/1p5N/8/7P/Pn3PP1/6K1 w - -
+id "IQ.1107"
+solution Qf5+
+go
+setboard r1q1r1k1/p1n1R1bp/1pp2pp1/5b2/2P2P1Q/P4NN1/1P1B2PP/2KR4 w - -
+id "IQ.1108"
+solution Nxf5
+go
+setboard r1q1r1k1/p1n1R1bp/1pp2pp1/5b2/2P2P1Q/P4NN1/1P1B2PP/2KR4 w - -
+id "IQ.1109"
+solution Nxf5
+go
+setboard 2r1k2r/1p2pp1p/2bp1p1b/p1qN4/4P3/6Q1/PPPR1PPP/1K3B1R w k -
+id "IQ.1110"
+solution Qh3
+go
+setboard 2r1k2r/1p2pp1p/2bp1p1b/p1qN4/4P3/6Q1/PPPR1PPP/1K3B1R w k -
+id "IQ.1111"
+solution Qh3
+go
+setboard r1br2k1/1pq2ppp/p3pP2/8/1n3PP1/1NpB4/PPP2Q1P/2KR2R1 w - -
+id "IQ.1112"
+solution Bxh7+
+go
+setboard 5k2/1pp2b1p/2p5/r3PPR1/pr6/2N5/1PP4P/2KR4 w - -
+id "IQ.1113"
+solution f6
+go
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
+id "IQ.1114"
+solution Bxg6
+go
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
+id "IQ.1115"
+solution Bxg6
+go
+setboard r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
+id "IQ.1116"
+solution Bxg6
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1117"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1118"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1119"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1120"
+solution g5+
+go
+setboard 8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - -
+id "IQ.1121"
+solution g5+
+go
+setboard 6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - -
+id "IQ.1122"
+solution cxb6
+go
+setboard 5b2/pr4pk/4P1Rp/1pppBPP1/8/1P2P3/P6K/8 w - -
+id "IQ.1123"
+solution Rxh6+ gxh6
+go
+setboard 5b2/pr4pk/4P1Rp/1pppBPP1/8/1P2P3/P6K/8 w - -
+id "IQ.1124"
+solution Rxh6+ gxh6
+go
+setboard 8/kp6/4R3/1P2K3/8/3pp3/8/8 w - -
+id "IQ.1125"
+solution Kd6
+go
+setboard 5rk1/2rnqp1p/b3p1pP/2ppP3/1p3QN1/pP1P1BP1/P1P2P2/R3R1K1 w - -
+id "IQ.1126"
+solution Bxd5
+go
+setboard 5r1k/p5bp/1p6/4P3/P2B4/3n2PB/1PR4K/8 w - -
+id "IQ.1127"
+solution e6
+go
+setboard 4R3/5Bq1/7p/5p2/1n3k1B/7P/6PK/8 w - -
+id "IQ.1128"
+solution g3+
+go
+setboard 8/8/8/P2k1p2/2N5/1pb2P2/4P3/2K5 w - -
+id "IQ.1129"
+solution a6
+go
+setboard 1r1q1rk1/Nb1n1pbp/p5p1/3P4/PPB2p2/4B3/6PP/2RQ1RK1 w - -
+id "IQ.1130"
+solution Nc6
+go
+setboard b2rr1k1/P3pp2/3p2p1/1Q1Pb2p/2P4P/1R2B1P1/4qPBK/1R6 w - -
+id "IQ.1131"
+solution Qxe8+
+go
+setboard 8/5pk1/3P2p1/pQ6/P2p4/5pP1/3rqP1P/5RK1 w - -
+id "IQ.1132"
+solution d7
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1133"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1134"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1135"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1136"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1137"
+solution Bxd4+
+go
+setboard 3n4/8/1P6/4k2P/n2p4/4pB2/1B6/3K4 w - -
+id "IQ.1138"
+solution Bxd4+
+go
+setboard 8/5p1p/1n2p2P/1k1pPpP1/3K4/4N3/2P5/8 w - -
+id "IQ.1139"
+solution Nxf5
+go
+setboard 8/1p1b4/4p1k1/1PPp4/P4P1p/4n1p1/8/4BBK1 w - -
+id "IQ.1140"
+solution a5
+go
+setboard 8/1p1b4/4p1k1/1PPp4/P4P1p/4n1p1/8/4BBK1 w - -
+id "IQ.1141"
+solution a5
+go
+setboard 2q1n1kr/6b1/1r1p2B1/2p2pP1/2P1bP1N/1P1QB2P/6RK/1R6 w - -
+id "IQ.1142"
+solution Qxe4
+go
+setboard 5brk/2q2p1p/p3pP1B/4Pp2/8/1P1R1Q1K/P6P/8 w - -
+id "IQ.1143"
+solution Bxf8
+go
+setboard 1q4rk/6r1/2RP3p/1NR3p1/p3Qn2/P6P/6P1/6K1 w - -
+id "IQ.1144"
+solution d7
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1145"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1146"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1147"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1148"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1149"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1150"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1151"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1152"
+solution Nxd5
+go
+setboard r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq -
+id "IQ.1153"
+solution Nxd5
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1154"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1155"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1156"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1157"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1158"
+solution Bc8
+go
+setboard 8/1b6/p2k2P1/2Rp1B2/PKp5/2P5/6r1/8 w - -
+id "IQ.1159"
+solution Bc8
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1160"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1163"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1164"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1165"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1166"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1168"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1169"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1170"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1171"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1172"
+solution Rb5
+go
+setboard k5r1/p5Qp/8/3q4/8/8/P4NPP/1R4K1 w - -
+id "IQ.1173"
+solution Rb5
+go
+setboard 3r2k1/pp2qppp/4bn2/4p3/4P3/P1Nr4/1PQN1PPP/R4RK1 w - -
+id "IQ.1175"
+avoid Nd5
+go
+setboard 3r2k1/pp2qppp/4bn2/4p3/4P3/P1Nr4/1PQN1PPP/R4RK1 w - -
+id "IQ.1178"
+avoid Nd5
+go
+setboard r2q1rk1/3nbppp/p1bpp3/6PQ/1p1BP3/1BN5/PPP2P1P/2KR2R1 w - -
+id "IQ.1179"
+solution Rd3
+go
+setboard r3r1k1/1pq2pp1/p2pbb1p/P3n3/3NP3/2N5/1PP1B1PP/R2Q1R1K w - -
+id "IQ.1180"
+solution Rxf6
+go
+setboard r3r1k1/1pq2pp1/p2pbb1p/P3n3/3NP3/2N5/1PP1B1PP/R2Q1R1K w - -
+id "IQ.1181"
+solution Rxf6
+go
+setboard 1rb1r1k1/3n1ppp/p1p1p3/q3P3/7P/2N1Q1R1/PPP3P1/2KR1B2 w - -
+id "IQ.1182"
+solution Rxd7
+go
+setboard r2q1rk1/pp1n1p1p/2p2np1/4bQB1/3pNP2/1B5P/PP4P1/R3R1K1 w - -
+id "IQ.1183"
+solution Qxe5
+go
+setboard 2rnr2k/2qbp3/pp1p2p1/3P1p1p/1PPN1P2/5B1P/P2Q2P1/2R1R1K1 w - -
+id "IQ.1184"
+solution Bxh5
+go
+setboard 2r1r3/3qppkp/pp1p2p1/3PnP2/2PN4/1P5P/P2Q2P1/4RRK1 w - -
+id "IQ.1185"
+solution Rxe5
+go
+setboard 1n2rk2/1qr1pp2/pp1p1npp/3P4/1PPN1P2/P2QR1P1/7P/4RBK1 w - -
+id "IQ.1186"
+solution Ne6+
+go
+setboard 1r1r1n2/5pkp/4pNp1/2PpP1P1/p1bP1PP1/1qB1K3/p2Q4/3R3R w - -
+id "IQ.1187"
+solution f5
+go
+setboard 1r1r1n2/5pkp/4pNp1/2PpP1P1/p1bP1PP1/1qB1K3/p2Q4/3R3R w - -
+id "IQ.1188"
+solution f5
+go
+setboard 3r2k1/3rppb1/p1R1b1p1/qp1NP3/8/1P2QB2/P5PP/5RK1 w - -
+id "IQ.1190"
+solution Rxe6
+go
+setboard r2qnrk1/pp2ppb1/3p3B/2p5/7Q/1PNP3b/1PP3PP/R4RK1 w - -
+id "IQ.1191"
+solution Ne4
+go
+setboard r4bk1/pbq2pp1/1pn1p2p/8/4N3/1P2P1P1/PB2QPBP/3R2K1 w - -
+id "IQ.1192"
+solution Nf6+
+go
+setboard r4bk1/pbq2pp1/1pn1p2p/8/4N3/1P2P1P1/PB2QPBP/3R2K1 w - -
+id "IQ.1194"
+solution Nf6+
+go
+setboard rq2r1k1/pp2RNp1/1bp2n1p/8/1Q6/7P/PPB2PP1/5RK1 w - -
+id "IQ.1195"
+solution Nxh6+
+go
+setboard r4rk1/p1p2pp1/1bp1b2p/3q2B1/Pn1PN3/5N2/1P1Q1PPP/R3R1K1 w - -
+id "IQ.1196"
+solution Bxh6 Be7
+go
+setboard r4rk1/p1p2pp1/1bp1b2p/3q2B1/Pn1PN3/5N2/1P1Q1PPP/R3R1K1 w - -
+id "IQ.1197"
+solution Bxh6 Be7
+go
+setboard r1b2rk1/2q1bppp/p2pp3/2n3PQ/1p1BP3/1BN5/PPP2P1P/2KR2R1 w - -
+id "IQ.1198"
+solution Bf6
+go
+setboard r3k2r/1bqnBppp/p3p3/1p2P3/3N2Q1/3B4/PPP3PP/2KnR3 w kq -
+id "IQ.1199"
+solution Nxe6
+go
+setboard r1bqkn1r/p3bpp1/1p2pn1p/2pPN1B1/2P5/3B2N1/PP3PPP/R2QR1K1 w kq -
+id "IQ.1200"
+solution Nf5 Nh5 dxe6
+go
+setboard r3kb1r/2q2ppp/pn2p3/4P3/pPPN4/P3BQ2/6PP/R4RK1 w kq -
+id "IQ.1201"
+solution Nxe6 Rf2 Rad1
+go
+setboard r4k1r/pp3pb1/2p3p1/3nNb1q/7p/1BB1Q2P/PP3PP1/3RR1K1 w - -
+id "IQ.1202"
+solution Rxd5 Bxd5 Qc5+
+go
+setboard 4k1r1/1q1r1p2/4pQp1/3pP1B1/2p3P1/1nP2BP1/1P5K/3R4 w - -
+id "IQ.1203"
+solution Bxd5
+go
+setboard 4k1r1/1q1r1p2/4pQp1/3pP1B1/2p3P1/1nP2BP1/1P5K/3R4 w - -
+id "IQ.1204"
+solution Bxd5
+go
+setboard 2b2k1r/5ppp/1b6/q1p1PP2/3Np1Q1/1PP5/6PP/1N3RK1 w - -
+id "IQ.1205"
+solution Ne6+
+go
+setboard 1r5r/p2bbk1p/4pnp1/q1ppQ1B1/7P/2N3P1/PPP2PB1/1K1R3R w - -
+id "IQ.1206"
+solution Nxd5
+go
+setboard r2qk2r/1b1n1p2/p6n/1pp1p1Np/4P2P/2QBNP2/PPP5/2KR2R1 w kq -
+id "IQ.1210"
+solution Bxb5 Bc4 Bf1
+go
+setboard rn1qk2r/pbp2p2/1p3ppb/7p/2BP1N1P/2N1P3/PP3PP1/R2QK2R w KQkq -
+id "IQ.1211"
+solution Bxf7+
+go
+setboard r1b2k1r/p2n1pp1/1q2p3/2ppP1B1/1b1N1Q1P/2N5/PPP2P2/R3K1R1 w Q -
+id "IQ.1212"
+solution Bd8
+go
+setboard r4b1r/pp3kpp/1qp1Rn2/8/8/5Q1P/PPPB1PP1/2KR4 w - -
+id "IQ.1213"
+solution Rxf6+
+go
+setboard 7r/1Qrk1pbp/p2pp1p1/6P1/5PB1/1P6/q1P4P/2KR2BR w - -
+id "IQ.1214"
+solution Rxd6+
+go
+setboard r3k2r/2pb1npp/ppp5/2q1p3/2N1P3/1QP2N1P/PP3PP1/R2R2K1 w kq -
+id "IQ.1215"
+solution Rxd7 Qb4
+go
+setboard r3kb1r/pp3p1p/4pp2/q2pN3/2P5/8/PP3PPP/R2QR1K1 w kq -
+id "IQ.1216"
+solution Nxf7
+go
+setboard r3kbnr/p4p2/1p2p2p/3qP1p1/3Nn1QB/8/PP2NPPP/R4RK1 w kq -
+id "IQ.1217"
+solution Nxe6
+go
+setboard r1b1k1nr/2R1b1pp/1p2pp2/1N2p3/q3P3/3Q1N2/PP3PPP/3R2K1 w kq -
+id "IQ.1218"
+solution b3 Nd6+
+go
+setboard r1b1k1nr/2R1b1pp/1p2pp2/1N2p3/q3P3/3Q1N2/PP3PPP/3R2K1 w kq -
+id "IQ.1219"
+solution b3 Nd6+
+go
+setboard r1b1k1nr/2R1b1pp/1p2pp2/1N2p3/q3P3/3Q1N2/PP3PPP/3R2K1 w kq -
+id "IQ.1221"
+solution b3 Nd6+
+go
+setboard r1bqr1k1/1p1nbppp/p1n1p3/3pP2Q/3N1P2/1BN1B3/PPP3PP/R4RK1 w - -
+id "IQ.1222"
+solution Nxd5
+go
+setboard 2r1r1k1/5ppp/pq3b2/2pB1P2/2p2B2/5Q1P/Pn3PP1/2R1R1K1 w - -
+id "IQ.1223"
+solution Bxf7+
+go
+setboard rn1q1rk1/1b2bppp/p3p3/1pn1P2Q/3N4/1BN1B3/PPP3PP/R4RK1 w - -
+id "IQ.1224"
+solution Rxf7
+go
+setboard 2r1r3/pbq1bpk1/1pn3p1/6Bp/4Q3/PB3N2/1P3PPP/R3R1K1 w - -
+id "IQ.1225"
+solution Bxf7
+go
+setboard 2rq1rk1/1b3pb1/5np1/1pn1p1Np/4P2Q/2N1B3/BPP3PP/R4R1K w - -
+id "IQ.1226"
+solution Nxf7
+go
+setboard 4r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1 w - -
+id "IQ.1227"
+solution Rxg6+
+go
+setboard 4r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1 w - -
+id "IQ.1228"
+solution Rxg6+
+go
+setboard 4r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1 w - -
+id "IQ.1229"
+solution Rxg6+
+go
+setboard r5k1/1p3p1p/p1pqrPp1/3bN3/8/P1P3Q1/1P4PP/4RRK1 w - -
+id "IQ.1231"
+solution Nxf7
+go
+setboard rnb2rk1/pp3p1p/3q2pQ/3pN3/2pP4/2PB4/P1P2PPP/4RRK1 w - -
+id "IQ.1232"
+solution Nxf7
+go
+setboard r2r1bk1/1ppq2pp/2p2B2/p1n2N1b/P3P1R1/3PN3/2P3PP/R2Q2K1 w - -
+id "IQ.1233"
+solution Ne7+
+go
+setboard r2r1bk1/1ppq2pp/2p2B2/p1n2N1b/P3P1R1/3PN3/2P3PP/R2Q2K1 w - -
+id "IQ.1234"
+solution Ne7+
+go
+setboard r4rk1/pp2bpp1/1qp1b2p/4B2Q/n7/3B4/PPP2PPP/3RR1K1 w - -
+id "IQ.1236"
+solution Bxg7
+go
+setboard r4rk1/pp2bpp1/1qp1b2p/4B2Q/n7/3B4/PPP2PPP/3RR1K1 w - -
+id "IQ.1237"
+solution Bxg7
+go
+setboard 5Q2/pp1b2pk/1n1p2rp/2pP1p2/2P2P2/q1BB4/6PP/4R1K1 w - -
+id "IQ.1238"
+solution Bxg7
+go
+setboard 5Q2/pp1b2pk/1n1p2rp/2pP1p2/2P2P2/q1BB4/6PP/4R1K1 w - -
+id "IQ.1239"
+solution Bxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1240"
+solution Rxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1241"
+solution Rxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1242"
+solution Rxg7
+go
+setboard 1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - -
+id "IQ.1243"
+solution Rxg7
+go
+setboard r1b2k1r/1p4pp/p4B2/2bpN3/8/q2n4/P1P2PPP/1R1QR1K1 w - -
+id "IQ.1244"
+solution Bxg7+ Qh5
+go
+setboard 1r3r1k/1b2bppp/p1qp4/5PP1/1p1B3Q/1PN2R2/1PP4P/5RK1 w - -
+id "IQ.1245"
+solution Bxg7+
+go
+setboard r2b1rk1/2q2ppp/p3b3/1pn1pNB1/4Pn1Q/P1NB4/1PP3PP/R4R1K w - -
+id "IQ.1246"
+solution Nxg7
+go
+setboard 6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - -
+id "IQ.1247"
+solution Qe8+
+go
+setboard r4rk1/1bpq1ppp/3p1b2/2nP1N2/8/1p3Q1P/PPB2PP1/R1B1R1K1 w - -
+id "IQ.1248"
+solution Nxg7
+go
+setboard r2q1rk1/pp1b1Rp1/4p2p/4PnNQ/2pP4/2P1B3/P5PP/5RK1 w - -
+id "IQ.1249"
+solution R1xf5
+go
+setboard r4r1k/pbq2pp1/1p2p2p/4P3/2pP3Q/P1P3RP/R4P1P/1B4K1 w - -
+id "IQ.1250"
+solution Rxg7
+go
+setboard 2r2bk1/1bq1rppp/pp1p4/4n1P1/Pn1BP1N1/2N3Q1/1PP2RBP/5RK1 w - -
+id "IQ.1251"
+solution Bxe5
+go
+setboard r1b2rk1/pppn2bp/3p1qp1/3p2N1/3P4/3BB3/PPP2PPP/R2QR1K1 w - -
+id "IQ.1252"
+solution Nxh7
+go
+setboard rnb3kr/1p1nqppp/p3p3/2ppP3/3P1N2/2NB1Q2/PPP2PP1/R3K2R w KQ -
+id "IQ.1253"
+solution Bxh7+
+go
+setboard r1qr2k1/p3bppp/b1p5/3nN3/NP1P4/P3B3/5PPP/1B1QR1K1 w - -
+id "IQ.1254"
+solution Bxh7+
+go
+setboard 3r1rk1/1bq1bp1p/p3p1p1/3pP3/3N1P2/2PBB2R/n1P1Q1PP/5RK1 w - -
+id "IQ.1255"
+solution Rxh7
+go
+setboard r1qb1rk1/5ppp/p1n5/1ppNP1P1/2p2P1P/P4Q2/1P6/1B1R1RK1 w - -
+id "IQ.1256"
+solution Bxh7+
+go
+setboard 2r1r1k1/pbq2ppp/1p2pn2/2b1N3/2P5/2B5/PPB1QPPP/3RR1K1 w - -
+id "IQ.1257"
+solution Bxh7+
+go
+setboard 1q1r2k1/pb2b1pp/1p3p2/3P4/1n1QB3/5N2/PB3PPP/2R4K w - -
+id "IQ.1258"
+solution Bxh7+
+go
+setboard 1q1r2k1/pb2b1pp/1p3p2/3P4/1n1QB3/5N2/PB3PPP/2R4K w - -
+id "IQ.1259"
+solution Bxh7+
+go
+setboard 2r5/3nr1pk/p2qpp1p/1p5Q/3P1PN1/2P3RP/P5PK/4R3 w - -
+id "IQ.1260"
+solution Nxh6
+go
+setboard r1q2r1k/p1ppb1p1/1p2p1Qp/3n3P/3PN3/2P1B3/PP3PP1/3R1RK1 w - -
+id "IQ.1261"
+solution Bxh6
+go
+setboard r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - -
+id "IQ.1262"
+solution Qh6+
+go
+setboard r4rk1/pp2qpp1/2p1bn1p/8/1bP4Q/5N1P/PPB2PP1/R1BR2K1 w - -
+id "IQ.1263"
+solution Bxh6
+go
+setboard 2r5/1p4bk/3p2rp/4pN2/1P2P1pR/2P2q2/QP6/1K5R w - -
+id "IQ.1264"
+solution Rxh6+
+go
+setboard 2r2rk1/1bq1bpp1/pn2p2p/1pn3P1/3NNP1Q/P6R/1PP3BP/R1B4K w - -
+id "IQ.1265"
+solution Nf6+
+go
+setboard 4rb2/1p1q1ppk/p1n1p2p/2p1Pn2/3PNR2/2P2K2/P2QBP2/6R1 w - -
+id "IQ.1266"
+solution Rxf5
+go
+setboard r6r/pb1R1pk1/1p2p1pp/3nP3/4N2Q/4B3/P3qPPP/3R2K1 w - -
+id "IQ.1267"
+solution Bxh6+
+go
+setboard rq1n1bk1/3b1pp1/3p3p/pppP3N/8/1P4PP/PBPQ1PB1/4R1K1 w - -
+id "IQ.1268"
+solution Qxh6
+go
+setboard 2rq1rk1/pp3pp1/4pb1p/3bN3/3P4/PnPB3R/2Q2PPP/R1B3K1 w - -
+id "IQ.1269"
+solution Bh7+
+go
+setboard 2r2rk1/p1n3pp/1p2p3/1q1pQP2/3Pn3/6N1/PP4PP/R1B2RK1 w - -
+id "IQ.1270"
+solution Bh6
+go
+setboard 4rr1k/pp4b1/4P2p/5p1R/3q4/3B2P1/PP1R4/1K5Q w - -
+id "IQ.1271"
+solution Rxh6+
+go
+setboard 1r2b3/pp1rqppk/3b3p/3Bp2Q/4P1N1/5R1P/PP3PP1/3R2K1 w - -
+id "IQ.1272"
+solution Rf6
+go
+setboard r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - -
+id "IQ.1273"
+solution Bxh6
+go
+setboard r2q1rk1/3nbpp1/4p2p/p1p1P3/1p1P3P/3B1b1R/PPQB1PP1/R3K3 w - -
+id "IQ.1274"
+solution Bxh6
+go
+setboard r1r1n3/5p1k/1n1P2pp/ppq1pN2/2p1P3/1PP1R2P/P1B2QPK/5R2 w - -
+id "IQ.1275"
+solution Nxh6
+go
+setboard r1n1nrk1/p4p1p/1q4pQ/2p1pN2/1pB1P1P1/5P2/PPP4P/1K1R3R w - -
+id "IQ.1276"
+solution Rd6 Rhg1
+go
+setboard r3r3/2qn1Qbk/b2p2pp/1npP4/1p6/3NB1NP/1P1R2P1/1B2R1K1 w - -
+id "IQ.1277"
+solution Qxg6+
+go
+setboard 1b4k1/1pnq1r1p/4p1p1/1pPpP2Q/1P5B/3BPP2/7P/6RK w - -
+id "IQ.1278"
+solution Bxg6
+go
+setboard 2r2rn1/p3q1bk/n2p2pp/1b1PPp2/1pp2P1N/1P2N1P1/P1QB2BP/4RRK1 w - -
+id "IQ.1279"
+solution Nxg6
+go
+setboard r2q1r1k/p3pn1p/3p2pQ/1ppP1p1n/4P3/2N2P2/PPP1BP2/2K3RR w - -
+id "IQ.1280"
+solution Qxg6
+go
+setboard 4Q3/p4pk1/2p3p1/8/3P1N2/4PBR1/q4P1K/r3r3 w - -
+id "IQ.1281"
+solution Rxg6+ Qe5+
+go
+setboard 2r1r1k1/4qpb1/p2p2p1/1p1Pn1P1/3BB3/P1P5/1P4Q1/1K2R2R w - -
+id "IQ.1282"
+solution Bxg6 Qh2 Qh3
+go
+setboard 2r1r1k1/4qpb1/p2p2p1/1p1Pn1P1/3BB3/P1P5/1P4Q1/1K2R2R w - -
+id "IQ.1283"
+solution Bxg6 Qh2 Qh3
+go
+setboard 5r2/1pr1ppk1/1n1q2p1/p2P3p/5R2/1BP1RQ2/5PP1/6K1 w - -
+id "IQ.1284"
+solution Re6
+go
+setboard 4rbk1/n2n3p/b1q1p1p1/1p1pP1B1/1PrP1N2/1R3NP1/3Q1PB1/R5K1 w - -
+id "IQ.1285"
+solution Nxg6 Bf1
+go
+setboard 4rbk1/n2n3p/b1q1p1p1/1p1pP1B1/1PrP1N2/1R3NP1/3Q1PB1/R5K1 w - -
+id "IQ.1286"
+solution Nxg6 Bf1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1287"
+solution Nxf6+ Rg1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1288"
+solution Nxf6+ Rg1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1289"
+solution Nxf6+ Rg1
+go
+setboard r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - -
+id "IQ.1290"
+solution Nxf6+ Rg1
+go
--- /dev/null
+r3kb1r/3n1pp1/p6p/2pPp2q/Pp2N3/3B2PP/1PQ2P2/R3K2R w KQkq - bm d6; id "POS-01";c0 "Chernin - Miles, Tunis 1985, 1.d6!";
+1k1r3r/pp2qpp1/3b1n1p/3pNQ2/2pP1P2/2N1P3/PP4PP/1K1RR3 b - - bm Bb4; id "POS-02";c0 "Lilienthal - Botvinnik, Moskau 1945, 1...Bb4!";
+r6k/pp4p1/2p1b3/3pP3/7q/P2B3r/1PP2Q1P/2K1R1R1 w - - bm Qc5; id "POS-03";c0 "Boissel - Boulard, corr. 1994, 1.Qc5!";
+1nr5/2rbkppp/p3p3/Np6/2PRPP2/8/PKP1B1PP/3R4 b - - bm e5; id "POS-04";c0 "Kaplan - Kopec, USA 1975, 1...e5!";
+2r2rk1/1p1bq3/p3p2p/3pPpp1/1P1Q4/P7/2P2PPP/2R1RBK1 b - - bm Bb5; id "POS-05";c0 "Estrin - Pytel, Albena 1973, 1...Bb5!";
+3r1bk1/p4ppp/Qp2p3/8/1P1B4/Pq2P1P1/2r2P1P/R3R1K1 b - - bm e5; id "POS-06"; c0 "Nimzowitsch - Capablanca, New York 1927, 1...e5!";
+r1b2r1k/pp2q1pp/2p2p2/2p1n2N/4P3/1PNP2QP/1PP2RP1/5RK1 w - - bm Nd1; id "POS-07";c0 "Tartakower - Rubinstein, Moskau 1925, 1.Nd1!";
+r2qrnk1/pp3ppb/3b1n1p/1Pp1p3/2P1P2N/P5P1/1B1NQPBP/R4RK1 w - - bm Bh3; id "POS-08";c0 "Polugaevsky - Unzicker, Kislovodsk 1972, 1.Bh3!";
+5nk1/Q4bpp/5p2/8/P1n1PN2/q4P2/6PP/1R4K1 w - - bm Qd4; id "POS-09";c0 "Boissel - Del Gobbo, corr. 1994, 1.Qd4!";
+r3k2r/3bbp1p/p1nppp2/5P2/1p1NP3/5NP1/PPPK3P/3R1B1R b kq - bm Bf8; id "POS-10";c0 "Cucka - Jansa, Brno 1960, 1...Bf8!";
+bn6/1q4n1/1p1p1kp1/2pPp1pp/1PP1P1P1/3N1P1P/4B1K1/2Q2N2 w - - bm h4; id "POS-11";c0 "Landau - Schmidt, Noordwijk 1938, 1.h4!";
+3r2k1/pp2npp1/2rqp2p/8/3PQ3/1BR3P1/PP3P1P/3R2K1 b - - bm Rb6; id "POS-12";c0 "Korchnoi - Karpov, Meran 1981, 1...Rb6!";
+1r2r1k1/4ppbp/B5p1/3P4/pp1qPB2/2n2Q1P/P4PP1/4RRK1 b - - bm Na2; id "POS-13";c0 "Barbero - Kouatly, Budapest 1987, 1...Na2:!";
+r2qkb1r/1b3ppp/p3pn2/1p6/1n1P4/1BN2N2/PP2QPPP/R1BR2K1 w kq - bm d5; id "POS-14";c0 "Spasski - Aftonomov, Leningrad 1949, 1.d5!";
+8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - - bm f6; id "FIN-01";c0 "NN - Lasker,Ed, 1.f6!";
+8/pp2r1k1/2p1p3/3pP2p/1P1P1P1P/P5KR/8/8 w - - bm f5; id "FIN-02";c0 "Capablanca - Eliskases, Moskau 1936, 1.f5!";
+8/3p4/p1bk3p/Pp6/1Kp1PpPp/2P2P1P/2P5/5B2 b - - bm Be4; id "FIN-03";c0 "Studie 1994, 1...Be4:!";
+5k2/7R/4P2p/5K2/p1r2P1p/8/8/8 b - - bm h3; id "FIN-04";c0 "Karpov - Deep Thought, Analyse 1990, 1...h3!";
+6k1/6p1/7p/P1N5/1r3p2/7P/1b3PP1/3bR1K1 w - - bm a6; id "FIN-05";c0 "Karpov - Kasparov, Moskau 1985 [Analyse], 1.a6!";
+8/3b4/5k2/2pPnp2/1pP4N/pP1B2P1/P3K3/8 b - - bm f4; id "FIN-06";c0 "Minev - Portisch, Halle 1967, 1...f4!";
+6k1/4pp1p/3p2p1/P1pPb3/R7/1r2P1PP/3B1P2/6K1 w - - bm Bb4; id "FIN-07";c0 "Lengyel - Kaufman, Los Angeles 1974, 1.Bb4!";
+2k5/p7/Pp1p1b2/1P1P1p2/2P2P1p/3K3P/5B2/8 w - - bm c5; id "FIN-08";c0 "Spassky - Byrne, 1974, 1.c5!";
+8/5Bp1/4P3/6pP/1b1k1P2/5K2/8/8 w - - bm Kg4; id "FIN-09";c0 "Klimenok - Kabanov, UdSSR 1969, 1.Kg4!";
+1r4k1/1q2bp2/3p2p1/2pP4/p1N4R/2P2QP1/1P3PK1/8 w - - bm Nd6; id "CMB-01";c0 "Romanishin - Gdansky, Polonica Zdroj 1992, 1.Nd6:!";
+rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ - bm Qh7; id "CMB-02";c0 "Lasker,Ed - Thomas, London 1911, 1.Qh7:+!";
+4r1k1/3b1p2/5qp1/1BPpn2p/7n/r3P1N1/2Q1RPPP/1R3NK1 b - - bm Qf3; id "CMB-03";c0 "Andruet - Spassky, BL 1988, 1...Qf3!";
+2k2b1r/1pq3p1/2p1pp2/p1n1PnNp/2P2B2/2N4P/PP2QPP1/3R2K1 w - - bm ef6; id "CMB-04";c0 "Vanka - Jansa, Prag 1957, 1.ef6:!";
+2r2r2/3qbpkp/p3n1p1/2ppP3/6Q1/1P1B3R/PBP3PP/5R1K w - - bm Rh7; id "CMB-05";c0 "Boros - Szabo, Budapest 1937, 1.Rh7:+!";
+2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k - bm ef6; id "CMB-06";c0 "Lilienthal - Capablanca, Hastings 1934, 1.ef6:!";
+2rr2k1/1b3ppp/pb2p3/1p2P3/1P2BPnq/P1N3P1/1B2Q2P/R4R1K b - - bm Rc3; id "CMB-07";c0 "Rotlewi - Rubinstein, Lodz 1907, 1...Rc3:!";
+2b1r1k1/r4ppp/p7/2pNP3/4Q3/q6P/2P2PP1/3RR1K1 w - - bm Nf6; id "CMB-08";c0 "Zarkov - Mephisto, Albuquerque 1991, 1.Nf6+!";
+6k1/5p2/3P2p1/7n/3QPP2/7q/r2N3P/6RK b - - bm Rd2; id "CMB-09";c0 "Portisch - Kasparov, Moskau 1981, 1...Rd2:!";
+rq2rbk1/6p1/p2p2Pp/1p1Rn3/4PB2/6Q1/PPP1B3/2K3R1 w - - bm Bh6; id "CMB-10";c0 "Tchoudinovskikh - Merchiev, UdSSR 1987, 1.Bh6:!";
+rnbq2k1/p1r2p1p/1p1p1Pp1/1BpPn1N1/P7/2P5/6PP/R1B1QRK1 w - - bm Nh7; id "CMB-11";c0 "Vaisser - Genius 2, Aubervilliers, 1994, 1.Nh7:!";
+r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - bm e5; id "CMB-12"; c0 "Spassky - Petrosian, Moskau 1969, 1.e5!";
+
--- /dev/null
+2r3k1/4Bppp/p7/1p1bP3/8/2n5/P1PR2PP/R5K1 b - - am Bxa2; id "arasan4.1";
+8/1p2r1kp/1p1R2p1/4qp2/1P6/P1p1P1P1/5P1P/3Q2K1 w - - am Rxb6; id "arasan4.2";
+qr3k2/4Rp1p/1prp2p1/1Q1N2P1/1PPbRP2/6KP/8/8 b - - bm Qa1; id "arasan4.3";
+R7/5Qpk/2p1p2p/1bqp4/8/7P/5PP1/6K1 b - - bm Bd3; id "arasan4.4";
+2r3k1/1b1nqppp/p3p3/8/1pQPn3/4PNP1/PP3PBP/RN4K1 w - - bm Qf1; id "arasan4.5";
+r3r1k1/6p1/1pqp2Np/2p1nP1P/N1PbPQ2/1P3PR1/P2K4/7R w - - bm f6; id "arasan4.6";
+rn2kb1r/pp2pppp/2p2n2/q2p4/2PP4/4PN2/PP1BBPPP/1R1QK2R b Kkq - am Qxa2; id "arasan4.7";
+1B4k1/5p2/K5p1/7p/P4P2/5P2/8/6n1 b - - bm f5; id "arasan4.8";
+4k3/5ppQ/1n3b2/3bp3/1B6/1P1R2NP/5PPK/1qr5 w - - bm Ba5; id "arasan4.9";
+r3r1k1/pb1n1p2/1p1p1n1p/q1pPpN2/2P4p/2PBPP2/P1Q3PP/1R3RK1 w - - bm Qf2; id "arasan4.10";
+6k1/6pp/pRp5/r7/2P5/1P6/PK6/8 b - - am c5; id "arasan4.11";
+q2r2k1/1bpn1ppp/1p1bp3/8/r2PP3/P4NP1/1BQ2PBP/3RR1K1 w - - bm e5; id "arasan4.12";
+q2r2k1/1bpn1ppp/1p2p3/4P1N1/r2P4/b5P1/1BQ2PBP/3RR1K1 b - - bm Nf8; id "arasan4.13";
+rnbq1rk1/p3nppp/1p2p3/2ppP3/3P4/P1PB1N2/2P2PPP/R1BQK2R w KQ - bm Bxh7+; id "arasan4.14";
+4nr1k/r4p1p/2bq4/pp1pNP2/3P3Q/2P5/4PPB1/RR4K1 w - - bm c4; id "arasan4.15";
+3r3k/p1b3p1/2R1pr1p/3q4/3PQ3/5p2/P4PPP/B3R1K1 b - - bm Bxh2+; id "arasan4.16";
+1r1n3k/3qbppp/pr1p4/2pPpP2/2P1N1Q1/R6P/1P3PP1/2B1R1K1 w - - bm Bh6; id "arasan4.17";
+2r2rk1/p2R1ppp/2p1p3/q3N1b1/8/1P4P1/P3QP1P/3R2K1 b - - am Bf6; id "arasan4.18";
+1r2r1k1/p4ppp/2n1pq2/2P5/Q1Ppb3/8/P2NPPPP/3RKB1R b K - bm Qf5 Qg6; id "arasan4.19";
+q2r2k1/rbpn1ppp/1p1bp3/8/P2PP3/P4NP1/1BQ2PBP/3RR1K1 b - - am Rxa4; id "arasan4.20";
+2rqr1k1/1b1n1ppp/pp2p3/4N3/PbPPpB2/1PN3P1/R2Q1P1P/2R3K1 b - - bm Nf8; id "arasan4.21";
+2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - - bm Rxd7; id "arasan4.22";
+2q1r3/3n2pk/p4r1p/3Q4/R1P1pN2/4BnP1/5P1P/R6K b - - bm Rxf4; id "arasan4.23";
+q3kb1r/5p2/2b3p1/r3pn1p/8/1PP1B1P1/P1R1Q2P/2NN1RK1 b - - bm h4; id "arasan4.24";
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+2b2rk1/r3bp2/p3pp2/q2p4/5PPp/1RNB4/P1PQ3P/1R5K w - - bm Qf2; id "arasan4.101";
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+8/5p1k/5Pp1/1pQ2q1p/pP6/P7/2P4P/1K6 b - b3 am axb3; id "arasan4.103";
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+5nk1/p2r1pp1/1p4bp/3B4/4PPP1/P6P/1B6/2R3K1 w - - bm f5; id "arasan4.112";
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+8/5q1k/2Q3p1/2P4p/7P/2B3P1/6K1/5r2 b - - bm Rc1; id "arasan4.114";
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+2R2b1r/3nkp2/B2pp1p1/1N4Pn/P3P3/4BP2/1r5q/3QK1R1 w - - bm Nd4 Na7; id "arasan4.116";
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+q5k1/3bp2p/3p2p1/4b3/1PP5/r3BPrP/4BQP1/1R1R1K2 b - - bm Bxh3; id "arasan5.15";
+8/4N1pk/2p4p/1r1p3P/2p1p1P1/2P1Nq2/5P2/2Q3K1 b - - bm d4; id "arasan5.16";
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+4rrk1/p2n2pp/npbp4/2p1p3/2P2P1q/PNB1P3/1P2B1PP/1R1Q1RK1 w - - am Qxd6; id "arasan5.18";
+r1b2rk1/5p1p/pP1p2p1/3Pb3/3np2q/N3B2P/PP3PP1/RQR2BK1 b - - bm Bxh3; id "arasan5.19";
+8/B3r1p1/8/P4k1p/1P6/5P2/5K2/8 w - - bm Bc5; id "arasan5.21";
+b2rn1k1/3r1ppp/3N2n1/1pB1P3/p5P1/P3KP2/B6P/1RR5 w - - bm e6; id "arasan5.24";
+8/4rq2/2Q1N1pk/p3R2p/3p1P2/2n4P/6P1/7K w - - bm g4; id "arasan5.25";
+4kb1r/3n1p1p/p1q1p1p1/1p1nP3/1prPN3/4BB2/P2Q1PPP/3R1RK1 w - - bm Bh6; id "arasan5.26";
+3q2k1/rbp2r1p/1p1p1pp1/p1nN4/2P1PP2/1P2QBPP/1P5K/3RR3 w - - bm e5; id "arasan5.27";
+r5k1/b1pr1pp1/2p4p/4p2q/Q1P5/2B1P1P1/P2NbP1P/1R2R1K1 b - - bm Rxd2; id "arasan5.28";
+
+
--- /dev/null
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+2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - - bm Nd5; id "ECM.952";
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+5r2/1b2k2p/3bp3/5PP1/Bn1Q3P/1N6/1Pr5/1K3R2 b - - bm Rxb2+; id "ECM.993";
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+8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - - bm Ba3; id "ECM.1084";
+r2b1rk1/5qp1/2p2P2/2p3Pp/p6P/2Q5/PPP5/2KR2R1 w - - bm g6; id "ECM.1085";
+4r3/Q2bppkp/3p2p1/3Nn3/4P3/6PP/1qr2PB1/R3R1K1 b - - bm Ra8; id "ECM.1093";
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+1r2k2r/3q2pp/p3pp2/P7/2P1Q3/8/1nB3PP/1R3R1K w k - bm Ba4; id "ECM.1098";
+1q6/2rk1p2/p1n1b1rN/3p2p1/8/3Q4/PP1B1PPP/2R1R1K1 w - - bm Nxf7; id "ECM.1114";
+3r3k/p1Q3bp/2p3p1/8/2P1BRn1/1P4Pb/P1N1q2P/6BK b - - bm Nf2+; id "ECM.1122";
+5rk1/Q2nqppp/5n2/2p5/8/1B2PP1P/Pr1B1P2/R3K2R b KQ - bm Ne4; id "ECM.1127";
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+5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - - bm Bg7; id "ECM.1161";
+6k1/p4pq1/2n1p1p1/1p1pP1N1/3P1QPP/8/P3K3/8 w - - bm Qc1; id "ECM.1176";
+3r1rk1/1pq1nppp/p7/2pB3Q/P4P2/1P2P3/6PP/2RR2K1 w - - bm Rxc5; id "ECM.1177";
+8/p1r2q1k/1p1p3p/1Pp1nP2/P1P5/3R2PP/1Q4BK/8 w - - bm Rxd6; id "ECM.1178";
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+1k1r1r2/2b2R2/Bppp2p1/2q4p/Q2pP3/P2P4/2P3PP/1R4K1 w - - bm Bb7; id "ECM.1189";
+5r1r/1pkb4/5pB1/2P5/p3R2P/Pq6/1PQ2Pn1/K2R4 w - - bm Rxd7; id "ECM.1193";
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+6k1/1p3p2/4r1p1/1PPrbq1p/2QN4/P2R1P1P/R4KP1/8 b - - bm Bg3+; id "ECM.1208";
+6kb/B1p2p2/5r2/1r1p2pR/6q1/3P2P1/P1P2PP1/2KR3Q b - - bm Rb1+; id "ECM.1214";
+2r2rk1/pp3qpp/8/3P1b2/3Q4/P1N1B3/5PKP/R2R4 b - - bm Rxc3; id "ECM.1217";
+r1b2rk1/1pqp1ppp/p1n1pn2/5N2/8/2PBB3/P1P2PPP/R2QR1K1 w - - bm Nxg7; id "ECM.1218";
+b6r/2q2k2/4pPp1/1p1n2Bp/2pPB1PP/2P2Q2/8/4R1K1 w - - bm Bxg6+; id "ECM.1223";
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+1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - - bm Rxb2; id "ECM.1229";
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+2r2r2/2N2pkp/2Q5/1N2p1b1/1p6/3P1qPb/PPR2P1P/4R1K1 b - - bm e4; id "ECM.1234";
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+8/5k1p/5PpB/3PR3/2r4P/1p3K2/2b5/8 b - - bm Re4; id "ECM.1257";
+rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - - bm Nd5; id "ECM.1259";
+5k1r/ppqnnp2/3b2p1/2pB2Qp/3p3N/1P1P2P1/P1P2P2/2B1R1K1 w - - bm Rxe7; id "ECM.1262";
+3r1rk1/pbqn1pp1/1pp2n1p/2b1p1B1/P1B1P2N/2N4P/1PP1QPP1/3R1RK1 w - - bm Rxd7; id "ECM.1265";
+1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/2P1B2R/2K4R w - - bm Qh6; id "ECM.1267";
+3rqb2/1pR3pk/p3n1pp/3p4/3B4/PP6/1P4PP/4RQK1 w - - bm Rxe6; id "ECM.1269";
+rkb2qr1/1p5p/pQ1bp3/3p2B1/5n2/3B1N2/PP3PPP/2R2RK1 w - - bm Rxc8+; id "ECM.1270";
+2r2rk1/1bq2ppp/p7/1p1pNN2/1b1PnB2/3Q3P/PP3PP1/R3R1K1 w - - bm Rxe4; id "ECM.1271";
+8/5p2/4p1k1/4P1p1/2rBRbK1/5P2/r4P2/7R b - - bm Rxd4; id "ECM.1273";
+r1bqr1k1/pp3pp1/2p4p/3PN1n1/3P1b2/2NB4/PPQ2PPP/3R1RK1 b - - bm Rxe5; id "ECM.1274";
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+1k2r2r/1bpQN2p/1p6/P3p2q/4np2/2P2N2/2P2PPP/R3R1K1 b - - bm Rxe7; id "ECM.1278";
+rnb2rk1/3n1ppp/p3p3/1p2P1q1/3N4/1BN5/PPP3PP/R2Q1RK1 w - - bm Nxe6; id "ECM.1281";
+4rrk1/ppn3pp/2pb1n1q/3p4/1P1P4/P3BNP1/2P1BPKP/R2Q1R2 b - - bm Rxe3; id "ECM.1285";
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+2r2rk1/p3p1bp/3qP1p1/1Q1p4/P4P2/3R4/1P4PP/2B2RK1 b - - bm Rxc1; id "ECM.1294";
+r3r1k1/4pp1p/b5pB/q1pP4/3b4/2N4P/PP4P1/R2RQ2K w - - bm Rxd4; id "ECM.1295";
+2rbr2k/1pq2ppp/p3bn2/4p1B1/P3P3/2N3Q1/1PP1B1PP/3R1R1K w - - bm Rxd8; id "ECM.1304";
+3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - - bm Rxg6+; id "ECM.1306";
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+r3k2N/pppbq1pp/5n2/3Ppn2/2BP4/2P3bP/PP2Q1P1/RNB2K1R b q - bm Bh2; id "ECM.1314";
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+r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - - bm Bc3; id "ECM.1318";
+q1r3k1/2r4p/2p3pP/2Qp1p2/PRn5/4P1P1/5PB1/1R4K1 w - - bm Rxc4; id "ECM.1321";
+r4r1k/1bq4p/p4bp1/3pn3/NP6/Q1PBB2P/6P1/3R1RK1 b - - bm d4; id "ECM.1325";
+r3rbk1/p1q2pp1/1n5p/2pp4/4N3/1PQ3P1/PB2PP1P/3R1RK1 w - - bm Nf6+; id "ECM.1327";
+r3r1k1/1pp2p1b/7p/2Q5/2PP2p1/2P1NpPq/P2R1P1P/6RK b - - bm Rxe3; id "ECM.1329";
+2k2r1r/1pp1nqbp/p2p1p2/5P2/2PBN3/1P3Q2/1P4PP/R4RK1 w - - bm Rxa6; id "ECM.1332";
+2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - - bm Rhg8; id "ECM.1335";
+2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - - bm Rxd3; id "ECM.1336";
+r3nrk1/p1pb1qpp/3p1p2/2pP1N2/2P1PR2/P1PB4/4Q1PP/5RK1 w - - bm e5; id "ECM.1340";
+r1b2rk1/pp2qp2/2nRp1p1/6Pn/1Pp5/P1N1P3/1BQ2PP1/2K2B1R w - - bm Rxh5; id "ECM.1341";
+R2b2k1/2rq1n1p/3p2p1/1p1Ppp1n/1P6/1B1PQN1P/1B3PP1/6K1 w - - bm Nxe5; id "ECM.1344";
+6k1/5rb1/6pp/1p2p3/2b5/4B1P1/r4PBP/1RR3K1 w - - bm Rxc4; id "ECM.1346";
+4r1k1/1p5p/5ppP/1qnP4/r4R2/P6P/1B1Q2K1/5R2 w - - bm Rxf6; id "ECM.1347";
+r2q1rnk/1p1bb1pp/p2p4/3NP1P1/P2Bp3/3Q3R/1PP1B2P/6RK w - - bm e6; id "ECM.1348";
+6k1/pbq2pp1/4r2p/8/3prb2/1P1Q3P/PN2BPP1/3RRK2 b - - bm Bd2; id "ECM.1350";
+r1b2rk1/pp2ppbp/2np1np1/q7/4P3/2N1BN2/PPPQBPPP/2KR3R b - - bm Nxe4; id "ECM.1352";
+r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - - bm Ng5; id "ECM.1354";
+1r1q2k1/7p/2p3p1/1P1n1b1r/2BQ4/4B3/P6P/1R3RK1 w - - bm bxc6; id "ECM.1355";
+r1b1qbk1/pp3r1p/2pR1np1/5p2/2P1pP2/1PN1Q1PP/PB2P1B1/5RK1 w - - bm Rxf6; id "ECM.1357";
+1n2n1r1/r3qppk/p2p3p/3PpP1P/1P2P3/3B2RQ/3B1P1K/6R1 w - - bm Bxh6; id "ECM.1371";
+3r1r2/1b4bk/p1n3pp/1p2p3/4P3/q1P1QNB1/B4RPP/5RK1 w - - bm Bh4; id "ECM.1376";
+r1r3kb/1pqbpp2/p2p1npB/n7/3NP3/1BN2P2/PPPQ2P1/2KR3R w - - bm Bf8; id "ECM.1377";
+4qn1k/1b3rpp/pb2pB2/1pp1P2P/3p1NQ1/P2P2PB/1PP4K/5R2 w - - bm Ng6+; id "ECM.1380";
+2b5/2qrrpk1/5Rp1/2p4p/1pB1PR1P/1P1P2P1/5Q1K/8 w - - bm Qb2; id "ECM.1381";
+7r/2p1q1k1/1p3r1p/p1pPpPp1/2P1P1P1/PP6/3Q2KR/7R w - - bm Qxg5+; id "ECM.1383";
+r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - - bm Rxh2+; id "ECM.1387";
+2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - - bm h4; id "ECM.1394";
+3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - - bm Bxh5; id "ECM.1398";
+r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - - bm Rxd5; id "ECM.1403";
+r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - - bm Rf6; id "ECM.1405";
+2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - - bm Nc3+; id "ECM.1408";
+2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - - bm Nxf5+; id "ECM.1409";
+1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - - bm Ne6; id "ECM.1410";
+r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - - bm Nxh6; id "ECM.1421";
+r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ - bm Bg5; id "ECM.1423";
+2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - - bm Bh3; id "ECM.1426";
+3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - - bm Nd6; id "ECM.1433";
+r2q1rk1/pp1n2pp/2pb4/1P1p3n/P1PPpP2/4P2b/1BNNBP1P/R2QR1K1 b - - bm Nxf4; id "ECM.1434";
+r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - - bm f3; id "ECM.1438";
+4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - - bm Nxf3; id "ECM.1439";
+3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - - bm Rxe6; id "ECM.1448";
+2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - - bm Nxf5; id "ECM.1450";
+6rk/1b2bp1p/ppq1p3/2p1Pp2/P1Br1P2/1PNR2P1/2P1QK1P/6R1 b - - bm Rxf4+; id "ECM.1452";
+4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - - bm Bxf6; id "ECM.1454";
+1k1r2r1/p1p3q1/2p2p2/3pn3/1P1b2bB/1QN5/P4PPP/1R2RBK1 b - - bm Nf3+; id "ECM.1457";
+5r1n/r2q1pkp/3p1npN/NppPp2P/1P2P3/2P1Q1P1/5P2/R3K2R w KQ - bm Nf5+; id "ECM.1478";
+5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - - bm Bxh4; id "ECM.1495";
+1r2r1k1/1bn2pbp/pp1q1np1/2pPN1B1/P1B5/2N4P/1P1Q1PP1/R3R1K1 w - - bm Nxf7; id "ECM.1503";
+1rb2bk1/2n2qp1/p2p3p/R1pP1p2/2B5/1PBQ1N1P/2P2PP1/6K1 w - - bm Rxc5; id "ECM.1504";
+2q1rk2/QR3ppp/1pPpb3/1P2p1b1/4P3/6P1/3N1PBP/6K1 w - - bm Bh3; id "ECM.1516";
+r2q1rk1/pb1nbpp1/1pp1pn1p/3pN3/2PPP3/2N1B1P1/PP3PBP/R2Q1RK1 w - - bm Nxc6; id "ECM.1525";
+2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - - bm h3; id "ECM.1527";
+r1b2rk1/1p3pbp/2p3p1/p1q5/1P6/1Q4P1/1P2PPBP/R1B1R1K1 b - - bm Be6; id "ECM.1529";
+1rb1r1k1/p1p1qppp/2pb4/8/2P3n1/4P1P1/PB2BP1P/R1QN1RK1 b - - bm Nxh2; id "ECM.1533";
+8/8/1p1k4/5ppp/PPK1p3/6P1/5PP1/8 b - - bm f4; id "ECM.1536";
+6r1/1p3k2/pPp4R/K1P1p1p1/1P2Pp1p/5P1P/6P1/8 w - - bm Rxc6; id "ECM.1546";
+1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - - bm f6; id "ECM.1547";
+6k1/2q3p1/1n2Pp1p/pBp2P2/Pp2P3/1P1Q1KP1/8/8 w - - bm e5; id "ECM.1551";
+6k1/1q2rpp1/p6p/P7/1PB1n3/5Q2/6PP/5R1K w - - bm b5; id "ECM.1553";
+r5r1/8/bRP1pk1p/3pNp2/5P2/7P/PR4P1/6K1 w - - bm Rxa6; id "ECM.1554";
+6k1/p3b1pp/4p3/4Pp2/Pp1r1P1P/1P4P1/2p2R2/5RK1 b - - bm Rc4; id "ECM.1561";
+2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - - bm Nxe6; id "ECM.1563";
+3r1r2/pp1P3k/4Rbp1/1BP2p1p/8/7P/P4KP1/3R4 w - - bm Ba6; id "ECM.1564";
+2r1rbk1/p1Bq1ppp/Ppn1b3/1Npp4/B7/3P2Q1/1PP2PPP/R4RK1 w - - bm Nxa7; id "ECM.1573";
+8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - - bm Rxb2; id "ECM.1578";
+6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - - bm cxb6; id "ECM.1579";
+4r2k/pppb2pp/2np2q1/3B4/2P2P2/1PB1R1P1/PQ5P/6K1 w - - bm f5; id "ECM.1582";
+8/2k5/2p5/2pb2K1/pp4P1/1P1R4/P7/8 b - - bm Bxb3; id "ECM.1584";
+r1b2rk1/1p2qppp/p3p3/2n5/3N4/3B1R2/PPP1Q1PP/R5K1 w - - bm Bxh7+; id "ECM.1590";
+r2qrbk1/5ppp/pn1p4/np2P1P1/3p4/5N2/PPB2PP1/R1BQR1K1 w - - bm Bxh7+; id "ECM.1592";
+1rb2rk1/3nqppp/p1n1p3/1p1pP3/5P2/2NBQN2/PPP3PP/2KR3R w - - bm Bxh7+; id "ECM.1594";
+r4rk1/1bq2ppp/p1p1p3/2b1P1B1/3p2Q1/3B4/PPP2PPP/R3R1K1 w - - bm Bxh7+; id "ECM.1597";
+2r2r2/p2qppkp/3p2p1/3P1P2/2n2R2/7R/P5PP/1B1Q2K1 w - - bm Rxh7+; id "ECM.1600";
+1r1qr1k1/5p1p/1n2p1p1/pp1pP1P1/2pP1BB1/PnP3P1/1P3PK1/1R1Q3R w - - bm Rxh7; id "ECM.1601";
+4rrk1/2q1bppp/p2p4/1p1Pn3/3B1R2/P2B2Q1/1PP3PP/5R1K w - - bm Bxh7+; id "ECM.1602";
+5r1k/ppp2qnp/1n1p1N1Q/3Ppb2/2P4P/7B/PP6/2KR2R1 w - - bm Nxh7; id "ECM.1604";
+r4rk1/pp2q1p1/4b2p/2ppb3/6n1/2P3N1/PPQBBPPP/R4RK1 b - - bm Nxh2; id "ECM.1605";
+b3r1k1/2rN1ppp/2n1p3/p7/P3BP2/1R6/q1P2QPP/3R2K1 w - - bm Bxh7+; id "ECM.1606";
+2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - - bm Qxh7+; id "ECM.1607";
+5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - - bm Bxh7+; id "ECM.1610";
+r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - - bm Nxh7; id "ECM.1612";
+r2r2k1/p1p2p1p/4pPp1/1Pqb4/8/7R/1PB2PPP/3QR1K1 w - - bm Rxh7; id "ECM.1614";
+rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - - bm Nxh7; id "ECM.1617";
+3rr1k1/1pq1nppp/p1p2b2/4pB2/2QPP3/P1P1B3/1P4PP/3R1RK1 w - - bm Bxh7+; id "ECM.1618";
+2rrn1k1/2q2ppp/p2pp3/1p2P1P1/4B3/P5Q1/1PP3PP/R4R1K w - - bm Bxh7+; id "ECM.1620";
+r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 b - - bm Rxh2; id "ECM.1621";
+2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - - bm Nxh7; id "ECM.1622";
+2rq1bk1/1br2p1p/p2p2p1/1p1P4/4Q3/PP3N2/1BP5/1K1R3R w - - bm Rxh7; id "ECM.1623";
+
--- /dev/null
+8/ppp3k1/8/PPP5/8/8/6K1/8 w - - bm b6; id "Larsen/Endings GMG 3.1";
+8/8/4pppp/8/4PPPP/k7/8/K7 w - - bm h5; id "Larsen/Endings GMG 3.2";
+8/5k2/1p2PP1p/p1p3p1/P1P3P1/1P1K3P/8/8 b - - bm Kxf6; id "Larsen/Endings GMG 3.3";
+8/2k5/p2p3p/2pPp1p1/P5P1/3K4/2P4P/8 w - - bm a5; id "Larsen/Endings GMG 3.4";
+8/p7/4k1P1/1p1p3P/1P2pK2/2P5/P7/8 w - - bm h6; id "Larsen/Endings GMG 3.5";
+4k3/5p2/3K2p1/4P2p/7P/8/6P1/8 w - - bm g3; id "Larsen/Endings GMG 3.6";
+8/7p/p5p1/3k2P1/3p1P1P/3K4/P7/8 w - - bm a3; id "Larsen/Endings GMG 3.7";
+8/1p3pp1/8/3k3P/5PP1/8/3K4/8 w - - bm g5; id "Larsen/Endings GMG 3.8";
+8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - - bm f6; id "Larsen/Endings GMG 3.9";
+8/8/3K1k2/5p1p/4p1p1/4P1P1/5PP1/8 b - - bm f4; id "Larsen/Endings GMG 3.10";
+8/5p2/2k5/K7/8/1P6/8/8 b - - bm Kd5; id "Larsen/Endings GMG 3.11";
+8/8/4k1p1/6Q1/K7/3q4/8/8 b - - bm Qd7+; id "Larsen/Endings GMG 3.12";
+5q2/6pk/p7/1p3PPK/1P2Q3/8/8/8 w - - bm g6+ f6; id "Larsen/Endings GMG 3.13";
+6Q1/8/3p4/2pPk1p1/1p5P/1P4PK/2q5/8 b - - bm g4+; id "Larsen/Endings GMG 3.14";
+8/6pk/4QP1p/7K/5qPP/8/8/8 w - - bm f7; id "Larsen/Endings GMG 3.15";
+4Q3/Pq4pk/5p1p/5P1K/6PP/8/8/8 w - - bm a8=B; id "Larsen/Endings GMG 3.16";
+2K5/3r4/5k2/4R3/1P4p1/3P4/8/8 w - - bm Kxd7 Rg5; id "Larsen/Endings GMG 3.17";
+8/8/3P4/2p5/3r4/1PK5/1P6/4k3 w - - bm b4; id "Larsen/Endings GMG 3.18";
+8/6KP/2r1k3/8/p7/P7/1P5P/8 b - - bm Rc7+; id "Larsen/Endings GMG 3.19";
+K1k5/2r3pp/P4p2/1P6/8/5P1P/8/8 b - - bm Rc6; id "Larsen/Endings GMG 3.20";
+3k4/3P3p/P2R2p1/6p1/8/6PP/1r6/5K2 w - - bm a7; id "Larsen/Endings GMG 3.21";
+8/8/5R1P/8/2K5/7r/4p3/4k3 b - - bm Kd2 Rh1; id "Larsen/Endings GMG 3.22";
+8/2p5/5pK1/5R2/4k2P/p4P2/1r6/8 b - - bm Kd3; id "Larsen/Endings GMG 3.23";
+8/8/4r3/1PP2k2/2R5/5p1p/P6K/8 w - - bm Kg3; id "Larsen/Endings GMG 3.24";
+4k3/1p3p2/p1pRr1pp/P1P1P3/5PK1/2P5/7P/8 w - - bm h4; id "Larsen/Endings GMG 3.25";
+8/8/R7/pp5p/2bK3k/2P5/6P1/8 w - - bm Rg6; id "Larsen/Endings GMG 3.26";
+3K2k1/2R3p1/1p2p2p/3bPp2/5P2/1p4P1/7P/8 w - - bm Ke7; id "Larsen/Endings GMG 3.27";
+R7/1P2p1k1/8/5p2/6p1/7p/7b/5K2 w - - bm Ra2; id "Larsen/Endings GMG 3.28";
+5k2/3R4/6pp/4bp2/8/5K2/8/8 w - - bm Rd5; id "Larsen/Endings GMG 3.29";
+7k/8/pP1N4/3P1p2/5PpP/3r4/7P/6K1 w - - bm Nf7+; id "Larsen/Endings GMG 3.30";
+8/4p3/8/3P3p/P2pK3/6P1/7b/3k4 w - - bm d6; id "Larsen/Endings GMG 3.31";
+8/8/3P1k2/2p1pB1p/2P3pP/4K1P1/6b1/8 w - - bm Bxg4; id "Larsen/Endings GMG 3.32";
+8/8/B4p1p/3k4/p2p1pP1/P2P3P/bP2KP2/8 w - - bm b4; id "Larsen/Endings GMG 3.33";
+4B3/8/p7/P3k1p1/1Pb3P1/6K1/5P2/8 w - - bm f3; id "Larsen/Endings GMG 3.34";
+6k1/5p1p/6p1/ppp5/4b3/P1P1P3/5PPP/3B2K1 b - - bm a4; id "Larsen/Endings GMG 3.35";
+8/8/1bk3p1/p4pP1/P1P5/2BK4/6P1/8 w - - bm Bd2 c5; id "Larsen/Endings GMG 3.36";
+8/1p3B2/p2k2p1/P2p3p/1P1KbP1P/4P3/8/8 w - - bm f5; id "Larsen/Endings GMG 3.37";
+8/5Bp1/4P3/6pP/1b1k1P2/5K2/8/8 w - - bm Kg4; id "Larsen/Endings GMG 3.38";
+8/1Pb5/K7/P5p1/1k4B1/8/3p4/8 w - - bm Bd1; id "Larsen/Endings GMG 3.39";
+8/2b5/8/2Np4/P2K4/7k/8/8 b - - bm Ba5; id "Larsen/Endings GMG 3.40";
+8/1N1b4/1P6/8/7p/4K3/8/6k1 w - - bm Nd8; id "Larsen/Endings GMG 3.41";
+3n4/1p3pk1/p4p1p/P4P1K/1P2B3/5P2/7P/8 w - - bm b5; id "Larsen/Endings GMG 3.42";
+8/7k/7P/7P/p1n1p3/2P5/2K5/2B5 b - - bm Kg8; id "Larsen/Endings GMG 3.43";
+8/7k/4B3/8/3p1K2/p1n2P2/8/8 w - - bm Bb3; id "Larsen/Endings GMG 3.44";
+8/8/6p1/5n1p/4Bp1P/5P1K/5kP1/8 b - - bm Kg1; id "Larsen/Endings GMG 3.45";
+8/k5p1/p2P1nBp/2p1p2P/2P5/P3K3/6P1/8 w - - bm d7; id "Larsen/Endings GMG 3.46";
+7k/6p1/6K1/p5P1/5N2/8/8/8 w - - bm Kf7; id "Larsen/Endings GMG 3.47";
+8/8/8/6N1/5pKp/8/5kn1/8 b - - bm Ke3; id "Larsen/Endings GMG 3.48";
+8/3b1p2/4p1k1/1pn1P1Pp/2pNPKp1/P1P3P1/2B5/8 b - - bm Be8; id "Larsen/Endings GMG 3.49";
+6k1/6p1/7p/8/pb5N/2B1p2P/PP4P1/3K1b2 b - - bm e2+; id "Larsen/Endings GMG 3.50";
+8/8/3k2p1/1p2p2p/pNp1P2P/P1Pn4/1P2K1P1/2bN4 b - - bm Nc5; id "Larsen/Endings GMG 3.51";
+1R2b3/5kp1/1p2rp1p/1P1p4/3P1PP1/3B3P/5K2/8 w - - bm Bg6+; id "Larsen/Endings GMG 3.52";
+6k1/4pp1p/3p2p1/P1pPb3/R7/1r2P1PP/3B1P2/6K1 w - - bm Bb4; id "Larsen/Endings GMG 3.53";
+6k1/4pp1p/3p2p1/R2P4/2P5/1r3P2/1b1B2PP/5K2 w - - bm Rb5; id "Larsen/Endings GMG 3.54";
+5k2/4bp2/2B3p1/1P4p1/3R4/3P2PP/2r2PK1/8 b - - bm Rxf2+; id "Larsen/Endings GMG 3.55";
+7R/8/6pp/4p1k1/3b2P1/5KNP/8/4r3 b - - bm Re3+; id "Larsen/Endings GMG 3.56";
+8/pp1k3p/2pr1p2/3n4/P1B2P1P/2P2KP1/8/4R3 w - - bm Bd3; id "Larsen/Endings GMG 3.57";
+8/7R/1pkpp1r1/p1n1p3/P1K1P3/2P1NP2/1P4P1/8 w - - bm Nd5; id "Larsen/Endings GMG 3.58";
+2r3k1/pR6/4r1p1/6Pp/3p3P/3P4/PP1Kp3/6R1 b - - bm Rec6; id "Larsen/Endings GMG 3.59";
+4nk2/5pp1/2B1p2p/4q3/8/7P/5PP1/5QK1 w - - bm Bxe8; id "Larsen/Endings GMG 3.60";
+7K/8/k1P5/7p/8/8/8/8 w - - bm Kg7; id "Larsen/Endings GMG 3.61";
+2b5/2P5/8/1k5p/5K1P/6B1/6P1/8 b - - bm Ka6; id "Larsen/Endings GMG 3.62";
+8/4k3/4P3/3K4/8/8/8/8 b - - bm Ke8; id "Larsen/Endings GMG 3.63";
+
--- /dev/null
+8/6p1/7k/8/1K6/8/1P6/8 w - - bm Kc5; id "MES.0001";
+8/8/8/2p5/8/8/1kP5/3K4 w - - bm c4; id "MES.0002";
+7K/8/k1P5/7p/8/8/8/8 w - - bm Kg7; id "MES.0003";
+8/8/1p6/8/8/P7/8/5k1K w - - bm Kh2; id "MES.0004";
+8/8/8/8/8/P4p2/k6K/8 w - - bm a4; id "MES.0005";
+8/8/6p1/1k6/4K3/8/5P2/8 w - - bm Kd4; id "MES.0006";
+5k2/6p1/7p/8/7P/7K/8/8 w - - bm Kg3; id "MES.0007";
+8/8/1kpp4/8/2P5/2K5/8/8 w - - bm Kc2; id "MES.0008";
+8/5p2/1p6/1P2K2k/8/8/8/8 w - - bm Kf5; id "MES.0009";
+8/8/8/4p1p1/8/5P2/6K1/3k4 w - - bm Kh1; id "MES.0010";
+8/2p4K/8/7k/8/8/6PP/8 w - - bm g4+; id "MES.0011";
+4k3/4p3/4P3/4P3/8/8/2K5/8 w - - bm Kd3; id "MES.0012";
+K7/8/1k6/1p6/8/2P5/1P6/8 w - - bm b3; id "MES.0013";
+7k/5K2/7P/6pP/8/8/8/8 w - - bm Kf6; id "MES.0014";
+8/p7/P7/8/8/4k3/4P3/4K3 w - - bm Kf1; id "MES.0015";
+8/k7/3p4/6K1/2P1P3/8/8/8 w - - bm Kg6; id "MES.0016";
+K1k5/7p/8/2P5/8/8/P7/8 w - - bm c6; id "MES.0017";
+8/5p2/5p2/5p2/8/4K3/7P/7k w - - bm h4; id "MES.0018";
+8/6p1/k1P2p1p/7K/8/8/8/8 w - - bm Kg6; id "MES.0019";
+2k5/3p4/P7/Pp6/8/4K3/8/8 w - - bm Kd4; id "MES.0020";
+8/1p2pk2/1P6/8/4P3/8/6K1/8 w - - bm Kg3; id "MES.0021";
+8/3Pk1p1/8/1K3Pp1/8/8/8/8 w - - bm Kc6; id "MES.0022";
+8/5p2/7k/6p1/5P1P/8/8/7K w - - bm hxg5+; id "MES.0023";
+4k3/8/3p4/p6K/P5P1/8/8/8 w - - bm Kg5; id "MES.0024";
+8/2p1Pk2/5P2/8/3p1K2/8/8/8 w - - bm Kf3; id "MES.0025";
+1k1K4/1p5P/1P6/8/8/8/p7/8 w - - bm h8=Q; id "MES.0026";
+k7/5K2/8/8/7p/p6P/P7/8 w - - bm Ke6; id "MES.0027";
+8/p2p4/8/8/8/k7/5P1P/7K w - - bm f4; id "MES.0028";
+8/8/1k1p4/8/P1P5/p7/8/3K4 w - - bm Kc2; id "MES.0029";
+8/K3p3/5p2/5P2/8/8/2k1P3/8 w - - bm Kb6; id "MES.0030";
+8/2K5/1p6/1P4k1/5p2/8/6P1/8 w - - bm Kc6; id "MES.0031";
+8/5p2/5p2/8/5KP1/8/6P1/3k4 w - - bm Kf5; id "MES.0032";
+8/8/4k1P1/4p1p1/4K3/3P4/8/8 w - - bm g7; id "MES.0033";
+8/8/7p/p7/k1P2K2/8/P7/8 w - - bm a3; id "MES.0034";
+8/8/1p1K4/Pp6/2k1p3/8/1P6/8 w - - bm a6; id "MES.0035";
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+K7/2b5/3p1p2/4k3/4P3/4N3/8/2B5 w - - bm Kb7; id "MES.0374";
+8/8/pp6/8/kb3Np1/7P/1K6/4B3 w - - bm Bxb4; id "MES.0375";
+8/5N2/5pP1/7b/p7/8/1Pk5/4BK2 w - - bm Nh8; id "MES.0376";
+8/8/6p1/7p/pb6/k6P/2P1pB2/NK6 w - - bm c3; id "MES.0377";
+4K3/2k1Bp1N/6p1/5PP1/8/7p/b7/8 w - - bm Bf6; id "MES.0378";
+4Bk2/1pp2p1K/3p4/P5Pb/4P3/5N2/8/8 w - - bm Bc6; id "MES.0379";
+1b6/4P3/1P2PN2/8/2P5/P1k5/P1p2P2/K5B1 w - - bm Ne4+; id "MES.0380";
+6b1/2p1B1P1/p1K5/k7/p6p/p1Np2p1/8/8 w - - bm Na2; id "MES.0381";
+3k4/3p4/P2P2P1/p1p1P3/K3p3/3P3B/P3p2P/3N3b w - - bm Nc3; id "MES.0382";
+8/1p1p4/1p1PPp2/1P1K1k1P/2PP4/4B2P/5pp1/6Nb w - - bm e7; id "MES.0383";
+8/5BK1/8/8/p7/4B3/pn6/1k6 w - - bm Bg6+; id "MES.0384";
+6K1/8/6B1/8/8/2B5/pP6/k2n4 w - - bm Bh8; id "MES.0385";
+8/8/8/3kp3/3p4/P2B4/K1N3Np/8 w - - bm Nf4+; id "MES.0386";
+8/B4p2/4Np2/8/3K1P2/7N/4p2k/8 w - - bm Ng1; id "MES.0387";
+2N1k3/4p3/3pKp2/5p2/4NB2/pp6/8/8 w - - bm Nexd6+; id "MES.0388";
+5N2/8/7B/8/2K5/1p1B4/p7/k7 w - - bm Bd2; id "MES.0389";
+8/8/6bk/8/4nP2/4K3/4N3/4n3 w - - bm f5; id "MES.0390";
+3kn1K1/1p6/P4b2/N2Pn3/8/6P1/8/8 w - - bm a7; id "MES.0391";
+8/8/7N/1k5b/3P4/K3P3/2P5/n5b1 w - - bm Kb2; id "MES.0392";
+8/8/P6P/5p2/8/1b6/nN4P1/k3b2K w - - bm Nd1; id "MES.0393";
+2N2n2/8/1P4P1/1P3KP1/1b6/p7/8/k6b w - - bm g7; id "MES.0394";
+2nn4/B7/KP1P4/8/3p3k/8/8/4b3 w - - bm b7; id "MES.0395";
+6K1/8/Pp3p1k/1Pb4P/p2p3N/3P1PP1/4P3/3b4 w - - bm Nf5+; id "MES.0396";
+b7/7P/2p3np/2P3p1/1P4PP/2B3Pk/7p/6bK w - - bm h5; id "MES.0397";
+3n2k1/3N4/7P/6N1/8/K7/7P/4b3 w - - bm Nf6+; id "MES.0398";
+8/8/p5Pb/1kpbP3/5p2/1N6/1KPN4/8 w - - bm c4+; id "MES.0399";
+2N5/5B2/8/4nk1K/6n1/4p3/8/8 w - - bm Ne7+; id "MES.0400";
+
--- /dev/null
+r3rnk1/4qpp1/p5np/4pQ2/Pb2N3/1B5P/1P3PP1/R1BR2K1 w - - bm Bxh6; id "IQ.894";\r
+r1br2k1/p1q2pp1/4p1np/2ppP2Q/2n5/2PB1N2/2P2PPP/R1B1R1K1 w - - bm Bxh6; id "IQ.895";\r
+6rk/1p1br2p/pqp5/3pNP2/1P1Pp3/P5PR/5PKR/Q7 w - - bm Rxh7+; id "IQ.915";\r
+r4rk1/pb1q1ppp/2N1p3/2Rn4/3P4/3BPQ2/5PPP/2R3K1 w - - bm Bxh7+; id "IQ.916";\r
+3rk1nr/1p3q2/p1n2P1p/P1ppp3/3b4/2N2QPB/1PP4P/R1B2R1K w k - bm Nxd5; id "IQ.917";\r
+5rk1/1p6/q2P3p/2p2rp1/p1nbQ3/P1N3BP/1PR1B1P1/4K3 b - - bm Rf1+; id "IQ.918";\r
+6rk/2nbNq1p/3p1PpR/2pPp1P1/1nBbP3/2N3K1/1P6/2B4Q w - - bm Rxh7+; id "IQ.919";\r
+2b2rk1/1p2p1b1/1q5p/3P2p1/1n1PQ1P1/pP6/P3N2P/1K1RB2R b - - bm Bxg4; id "IQ.920";\r
+4r1k1/1pq2p1p/2p2npb/2N5/1PPQn1P1/7P/6B1/B2R2K1 b - - bm Ng3; id "IQ.921";\r
+r4r2/2q2pkp/p3pnp1/1p1b2Q1/2nN1N2/P4P2/BPP3PP/R4R1K w - - bm Nf5+; id "IQ.922";\r
+3r2k1/p2r1p1p/1p2p1p1/q4n2/3P4/PQ1R3P/1P2NPP1/3R2K1 b - - bm Nxd4; id "IQ.923";\r
+5r1k/ppp2Bbp/6p1/1bq1N3/3r1P2/PQ6/1P4PP/2R2R1K b - - bm Rxf4; id "IQ.924";\r
+3r2k1/5pp1/R2B3q/2Q5/1p2rP2/6Pp/1bP2K1P/3R4 w - - bm Be5; id "IQ.925";\r
+1rb2r2/1p1nppk1/2p1n1p1/p3P2p/2qP3R/2N3NP/PP1Q2B1/5RK1 w - - bm Bd5; id "IQ.926";\r
+3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - - bm g6; id "IQ.927";\r
+2qrrb2/pb3ppk/1npp3p/5N2/1p2n3/1P3NPB/PBPQ1P1P/3RR1K1 w - - bm Rxe4 Qf4; id "IQ.928";\r
+3r2k1/1p3pp1/1p6/7p/q2NP1P1/2Q2P1b/rP5P/2RR2K1 w - - bm Nf5; id "IQ.929";\r
+1k1r4/1bp4Q/p7/8/1pP2p2/1P2bNrP/1P4P1/5R1K b - - bm Bxf3; id "IQ.930";\r
+2q1r2k/5R1p/pp1B2pN/2p1P3/1n1b4/3P2Q1/1P4K1/8 w - - bm Qh4; id "IQ.931";\r
+2rr2k1/pb3p1p/1pq3p1/4R1N1/2n5/P4P2/BP2Q1PP/4R2K w - - bm Nxf7 Re7; id "IQ.932";\r
+2r1b1k1/p1q1brp1/1p2p1QB/4p3/4N3/2PBR3/P4PPP/6K1 w - - bm Qh7+; id "IQ.933";\r
+6rk/7p/Q2R1p2/1p2n3/4b3/1P4NP/P1P2PPK/2q5 b - - bm Qf1; id "IQ.934";\r
+r1b1rnk1/pp3ppp/3qp3/2pnNPB1/2BP4/2P5/P1P1Q1PP/3R1RK1 w - - bm Nxf7; id "IQ.935";\r
+2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - - bm Qxc7+; id "IQ.936";\r
+2k5/1p2b3/2p1p3/3pP1p1/nP1P2P1/NKP5/3B4/q3Q3 b - - bm Qb2+; id "IQ.937";\r
+r6r/2p1kp1n/2pp4/p1b2P1p/P1B1P2P/1Q4Bq/5P2/3R1RK1 b - - bm Rhg8; id "IQ.938";\r
+r1bq1rk1/pp1n1pp1/5n1p/2b1pN2/2B4B/2N1P3/PPQ2PPP/2KR3R w - - bm Nxh6+; id "IQ.939";\r
+5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - - bm Re6; id "IQ.940";\r
+6k1/1b2Bp1p/p1q2b2/1p1r1p2/8/5N1P/PP2QPP1/4R1K1 b - - bm Re5; id "IQ.941";\r
+5rk1/q5pp/4p3/r1bp1p2/1p1B1P2/1P1QP3/P4RPP/2R3K1 w - - bm Rxc5; id "IQ.943";\r
+4rnk1/1b3p2/1p1q2p1/pPb1p2p/2P1P1n1/3r1NPB/1B1NRP1P/1Q1R2K1 b - - bm Nxf2; id "IQ.944";\r
+2R4Q/pp1bkp2/4p1r1/qN1p4/Pb6/4B3/1P3PPP/6K1 w - - bm Bb6; id "IQ.945";\r
+r1r3k1/1p1bnp1p/p5pQ/q5P1/3Bp3/1P4R1/1PP1KP1P/3R4 b - - bm Bg4+; id "IQ.946";\r
+6k1/6p1/p3br2/1p2Q3/5r2/1P1B2R1/1P3qPP/2R4K w - - bm Rc8+; id "IQ.947";\r
+4r1k1/1p3p2/p1q2p1p/2b2Pr1/6PR/1P1P3Q/1P1B2RP/7K b - - bm Bf2; id "IQ.948";\r
+5r1k/1b1P3p/4Q1pb/8/P7/4N1PP/1P2r3/R2R2K1 w - - bm Qf6+; id "IQ.949";\r
+1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - - bm Nxg4; id "IQ.950";\r
+4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - - bm Bd3; id "IQ.951";\r
+6r1/ppp4k/3p2rp/3Pb3/PPP1Np1q/5P1b/3QRRBP/6K1 b - - bm Bd4; id "IQ.952";\r
+r2qk2r/1bp2pQp/p7/1p1pP3/4n3/1B2b3/PPP2PPP/RN3RK1 b kq - bm Qg5; id "IQ.953";\r
+2rq1r2/pp1b1pkp/8/P2Q2P1/n1nN4/2P5/2P3BP/R1B2RK1 w - - bm Rxa4; id "IQ.954";\r
+r5k1/5pbp/2rp2p1/8/3N1PP1/Pp6/1P1Q2qP/K2R3R b - - bm Rc1+; id "IQ.955";\r
+2qr1r2/p2n1ppk/1p2p2p/5b2/2PP2NQ/1B4R1/P4PPP/R5K1 w - - bm Bc2; id "IQ.956";\r
+1k1r4/ppq2p2/8/2pPb1r1/2P1Q1B1/6P1/PP3PK1/R4R2 b - - bm f5; id "IQ.957";\r
+1r2q1k1/1p6/pN2p1p1/P3p3/2PbQ3/1P5P/6P1/5R1K w - - bm Nd7; id "IQ.958";\r
+5r1k/p5b1/1qp4p/1r2p3/4N1P1/2Pn2B1/QP2R1PP/R6K b - - bm Ra5; id "IQ.959";\r
+6k1/pp2q2r/2r1p3/1RPpPpp1/3P4/P5P1/3Q1PK1/7R w - - bm Rxb7; id "IQ.960";\r
+k7/p1r4p/1pP1bq2/1P4p1/1Qn1B3/2b1P2P/P1P2PP1/3R2K1 w - - bm Qxc3; id "IQ.961";\r
+8/5p1k/4p1b1/4P3/2Pq4/2Q2KP1/r3P3/2R2B2 b - - bm Ra3; id "IQ.962";\r
+r1b2rk1/p1q2ppp/1p2p3/4n3/3bP3/1B3N1P/PP2QPP1/R1B2RK1 b - - bm Ba6; id "IQ.963";\r
+2r1k1nr/3bbpp1/p2p2P1/4pP2/1pqNP3/2N1B3/PPP3Q1/1K1R2R1 w k - bm b3 Nd5; id "IQ.964";\r
+r6r/p1kn4/2p1b3/q3p1Qp/4P3/2PBB2P/P5P1/3R1RK1 w - - bm Bc4; id "IQ.965";\r
+1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - - bm Bf4; id "IQ.966";\r
+4rk2/1p3r2/3q1nQp/1R1P2p1/P2pp3/3B2PP/1P3P2/2R3K1 w - - bm Qxh6+ Rxb7; id "IQ.967";\r
+r5k1/1p3pbp/2q1p1p1/p1p1P3/n1P5/P1B2N1P/1P2QPP1/3R2K1 w - - bm Bxa5; id "IQ.968";\r
+1rb1r2k/3nq1b1/2p2pp1/p3p2p/P1B1P3/1P1RB1N1/2P2QPP/3R3K w - - bm Nf5 Rd6; id "IQ.969";\r
+r1b1q1k1/p1p3b1/2pp2pp/N3r1n1/3N2PB/1P3P2/P1PQ3P/3R1RK1 b - - bm Rxa5; id "IQ.970";\r
+4q1k1/p6p/1p2n2B/2p2rp1/2P5/2P2P2/P2Q2PP/4R1K1 w - - bm Rxe6; id "IQ.971";\r
+6rk/5p1p/p4P2/1pbn2r1/3P3R/1PB4Q/PKP2R1P/6q1 b - - bm Ba3+; id "IQ.972";\r
+4rbk1/1q3ppp/2Rr4/1p1P1B2/2b1PR2/p5P1/5P1P/B1Q3K1 w - - bm Bxh7+ Rxd6 Rh4 Bxg7; id "IQ.973";\r
+6k1/p1p2pp1/2p1n1q1/1r2P3/4N1PQ/5P2/P6P/3R3K w - - bm Rd8+; id "IQ.974";\r
+r1b2r2/4ppkp/p2p1np1/qpn5/2PNP1P1/2N2P2/PP1QB2P/R3K2R w KQ - bm g5 cxb5; id "IQ.975";\r
+r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - - bm Qh6+; id "IQ.976";\r
+4r2r/pp3k2/2p1pq2/3nR3/2PP1pp1/1B1Q2P1/PP3PK1/6R1 b - - bm Ne3+ Nb4; id "IQ.977";\r
+r2qk2r/1pp2ppp/p3pnn1/6N1/1B1P2P1/1Q2P2P/PP3PK1/R6R b kq - bm Nh4+; id "IQ.978";\r
+2r3k1/pR5p/2ppNb2/1Q1P1ppP/4q3/4P1P1/5P2/6K1 w - - bm Rg7+ Qa6; id "IQ.979";\r
+7R/5Q2/6pp/4rp1k/P3P3/5Pb1/4KPq1/3R4 w - - bm Rxh6+; id "IQ.980";\r
+rnb4r/p1pq1Pkp/1pn1p1p1/3p2N1/3P4/P1PB3Q/2P2PPP/R1B1K2R w KQ - bm Qh6+; id "IQ.981";\r
+r1r5/p2qnkbp/bp2ppp1/3p4/3P1P2/1Q1N1N1B/PP2PP1P/2R2RK1 w - - bm Nde5+; id "IQ.982";\r
+r1b2rk1/1p3pbn/p2p2p1/q1nPp2p/P3P3/2NBBPN1/1P1Q2PP/R4RK1 w - - bm b4; id "IQ.983";\r
+b3k3/2q1b1p1/p3p2r/1pPpP2p/1P1N3P/6P1/P3Q3/1BR3K1 w - - bm Bg6+; id "IQ.984";\r
+8/2bP1Q1p/6pk/p3p3/P1Bp4/1P1R2KP/5PP1/2q4r w - - bm Re3; id "IQ.985";\r
+7r/p5k1/4pr2/4Np2/1p1Pn1p1/4P3/PP3PP1/2R2RK1 b - - bm Nc3; id "IQ.987";\r
+2b1rqk1/2R2ppp/1p1P4/p3Q3/7P/P7/B4PP1/6K1 w - - bm Qxe8; id "IQ.989";\r
+r3k2r/pppqnpbp/4p1p1/3nP1B1/Q2PN2P/5P2/PP2BP2/2R1K1R1 w - - bm Nd6+; id "IQ.990";\r
+r3r1k1/1p3pPp/p1p5/3bb2N/7q/1P1Q4/2PB2PP/4RRK1 w - - bm Rxe5; id "IQ.991";\r
+1q1rr1k1/pn5p/1p3pp1/1Q2b1B1/1P6/5B1P/P4PP1/2R1R1K1 w - - bm Rxe5 Bxf6; id "IQ.992";\r
+r2qrbk1/p2b2pp/1pn1pn2/3p4/2pP1P2/2P2NN1/PPQ3PP/RBB2RK1 w - - bm Ng5; id "IQ.993";\r
+r3r1k1/2qb1pbp/n1p2np1/N3p1B1/1P2P3/P1N5/2Q1BPPP/3R1RK1 w - - bm Bxa6 Bxf6; id "IQ.994";\r
+2k4r/1b3p2/p3pP2/2p1n1P1/Ppprq2P/6P1/1P2BR1K/R2N1Q2 b - - bm Rxd1; id "IQ.995";\r
+1q2r1k1/p4ppp/1p3B2/2Nb4/5R2/1PQ1p1P1/P2r1P1P/2R3K1 b - - bm Qxf4; id "IQ.996";\r
+r1b2r1k/1pq3bp/8/3Qp2n/1P1n1pp1/2NP2P1/3BPPBP/1R2NRK1 b - - bm Qxc3; id "IQ.997";\r
+r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - - bm Rxd6; id "IQ.998";\r
+4rr1k/pQ4pp/8/7q/2B2BbP/P1P2nP1/5PK1/R6R b - - bm Rxf4; id "IQ.999";\r
+r1b2Q2/1p4pk/pB3pq1/4p3/3p4/6P1/PP2PP1P/2R3K1 b - - bm Bh3; id "IQ.1000";\r
+r4rk1/5pp1/p2R1Bb1/1pq1Pp1p/7Q/1Bn5/P5PP/5R1K w - - bm Bxg7; id "IQ.1001";\r
+1k6/p1p3Q1/2qp1P2/2p5/rp6/3P3P/1BP1rP2/2KR3R b - - bm Ra1+; id "IQ.1002";\r
+5r2/p4pkp/3bpNp1/q3n3/1r3B1Q/3p4/PPP2PPP/R4K1R w - - bm Qh6+; id "IQ.1003";\r
+r3r3/pp2bBkp/6p1/q3p2Q/4n3/2N2R2/PPP3PP/2KR4 w - - bm Bxg6; id "IQ.1005";\r
+1k5r/1b5r/1b1qn3/1P2p1pP/3pPpP1/1N1Q4/6B1/1R2BRK1 b - - bm f3; id "IQ.1006";\r
+5n2/3bp1r1/1r1p3k/p1p2pNp/1nP2P1P/1PN1PB1K/P5R1/6R1 w - - bm Nf7+; id "IQ.1007";\r
+r2q1rk1/1p1bbppp/p1n1p3/2p1P2Q/4N3/6P1/PPPB1PBP/3RR1K1 w - - bm Nf6+; id "IQ.1008";\r
+2k4r/pp3ppp/2p2n2/5PBb/P3P3/2Nr3P/1PB2bP1/R3R2K b - - bm Rxh3+; id "IQ.1009";\r
+r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - - bm Rxh6 Nd3; id "IQ.1010";\r
+1kqr2r1/ppp5/2nb1p2/1Q1N2pb/P2P4/1RN1P3/3B1PP1/5R1K b - - bm Be2 Rh8; id "IQ.1011";\r
+3r2k1/pb1r2pp/1p6/2p1pPqP/2P1P3/1P1BR2P/P4K2/R4Q2 b - - bm Bxe4; id "IQ.1012";\r
+r1b1rb2/1p3kpQ/p1p1p3/q1P1P3/3P4/4P1R1/PP4PP/R1B3K1 w - - bm Bd2; id "IQ.1013";\r
+3r1r2/p4pk1/bp2p1P1/4P2p/Pq1N1P2/2p4Q/2P3P1/3RK2R w - - bm Qxh5; id "IQ.1014";\r
+4Q2r/1b4pk/p1n1pr1p/1p2P2B/1qn5/5N2/PPP2PP1/2KRR3 w - - bm Ng5+; id "IQ.1015";\r
+3q1rk1/p1r2pp1/1p2p2p/6bn/3PNn2/1B2BP2/PP1Q1P1R/6RK w - - bm Rxh5; id "IQ.1016";\r
+rr4k1/2q2ppp/p1b1p3/2b1pPPN/1p2P1R1/3B3Q/PPP4P/1K1R4 w - - bm Nf6+; id "IQ.1017";\r
+4r3/1r2ppk1/p2p1np1/2qP4/PpP5/1P1Q4/2B1R1PP/5R1K w - - bm Rxf6; id "IQ.1018";\r
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+3rr1k1/5p2/1p1q2pQ/p2Pb3/1pPp3P/6P1/P4P2/1R1R1BK1 b - - bm Bxg3; id "IQ.1283";\r
+5r2/1pr1ppk1/1n1q2p1/p2P3p/5R2/1BP1RQ2/5PP1/6K1 w - - bm Re6; id "IQ.1284";\r
+4rbk1/n2n3p/b1q1p1p1/1p1pP1B1/1PrP1N2/1R3NP1/3Q1PB1/R5K1 w - - bm Nxg6 Bf1; id "IQ.1285";\r
+2r2rk1/pp2Qp1p/3p2p1/7n/2P5/1PN3Pq/P3PP2/2R2RK1 b - - bm Nxg3; id "IQ.1286";\r
+r3r1k1/bpp1q1pp/p3bp2/2p4Q/4N3/1P2PP2/PB3P1P/R2R3K w - - bm Nxf6+ Rg1; id "IQ.1287";\r
+2r1k2r/3bbp1p/p3pp1Q/q2P4/1p3P1B/8/1PP3PP/1K1R1B1R b k - bm Rxc2; id "IQ.1288";\r
+2r1r1k1/5pbp/p5p1/3Pn3/3QP3/N1B5/PP4qP/1K1R3R b - - bm Rxc3; id "IQ.1289";\r
+r4rk1/4ppbp/1q2bnp1/n1p4P/4P1P1/2NBBP2/PP1Q4/1K1R2NR b - - bm Bxa2+ Rfb8; id "IQ.1290";\r
--- /dev/null
+1n1r1rk1/ppq2ppp/3p2b1/3B1NP1/4PB1R/bP2P2P/P1P5/3KQ1R1 w - - bm Qc3; id Quick-01;
+1q6/r4pbk/1r1p2pp/B2Pn3/Q2NP3/1p3P2/6PP/1R3RK1 b - - bm Rxa5; id Quick-02;
+3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - bm Qa8; id Quick-03;
+4qrk1/3nppb1/R1Np2p1/3P2P1/1Pr5/4B3/5Q1P/5R1K w - - bm Ra8; id Quick-04;
+r3r3/2R2pk1/p2p1bpp/3P4/q2pQ3/5N1P/5PP1/1R4K1 w - - bm Rxf7+; id Quick-05;
+r1b1Rbk1/pp3p2/2npN2p/2qp2p1/8/1QPB3P/PP3PPB/6K1 b - - bm Bxe6; id Quick-06;
+r5k1/Rb4p1/2q2pBp/1pp5/1b4QN/1P2P2P/5PP1/6K1 w - - bm Rxb7; id Quick-07;
+3R4/5r1p/5ppk/8/1Q3PPq/5P2/6K1/8 w - - bm Rg8; id Quick-08;
+2kr3r/ppp3pp/2pbbn2/4N3/3Pp3/2P3Pq/PP1NQP1P/R1B2RK1 w - - am Nxe4; id Quick-09;
+2r3k1/pp1bpp1p/3p1npQ/q1r5/4P1P1/2NR1P2/PPP1N3/2K4R w - - bm g5; id Quick-10;
+r1b2rk1/pp3p2/2p2bpQ/8/1q1P4/2N2N2/Pn3PPP/1B1RR1K1 w - - bm Bxg6; id Quick-11;
+r2qk2r/1p1bbp2/1P2p3/p2pPp2/n2N1N1p/3PB3/5QPP/R4RK1 w kq - bm Rxa4; id Quick-12;
+3r1n1r/1p2q1k1/p1p1P1p1/3n4/5Pp1/P5N1/1P3QP1/1BR1R1K1 w - - bm Bxg6;id Quick-13;
+r2q1rk1/p1p3pp/b2bp3/2pp4/6p1/2NPPN2/PPP2PP1/R1BQR1K1 w - - bm Ne5; id Quick-14;
+r2qr1k1/p2b1ppp/5n2/2pp4/5b2/NP6/PBP1NPPP/R3QRK1 b - - bm Bxh2+; id Quick-15;
+3k4/p7/K3BP2/8/7p/8/2P4P/8 w - - bm Kb7; id Quick-16;
+rq4k1/pp1nrppp/4bn2/6R1/3QP3/P4PN1/4B1PP/2B2RK1 w - - bm Rxg7+; id Quick-17;
+2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - - bm Qb4; id Quick-18;
+5k2/6p1/2p2p2/P7/1Q6/2P1pqPP/7K/8 b - - bm c5; id Quick-19;
+rnbq1b1r/ppp1p1pp/1n1p2k1/4P1N1/8/5Q2/PPPP1PPP/RNB1K2R b KQ - bm Qe8; id Quick-20;
+r1b1kb1r/2q2ppp/p2ppP2/1pn3P1/3NP3/2N2Q2/PPP4P/2KR1B1R w kq - bm Bxb5+; id Quick-21;
+4r2k/3n3p/2q3p1/2p1p1Q1/1pP1P3/1P6/5PP1/R2B2K1 b - - am Qxe4; id Quick-22;
+r3r1k1/1Bp1qppp/3p1n2/pNb5/2P5/PQ6/1P3PPP/R2R2K1 b - - bm Ng4; id Quick-23;
+3B4/1R3p1k/2p4p/2Pp3r/3P4/4Q1K1/6P1/3b1q2 w - - bm Bf6; id Quick-24;
+
--- /dev/null
+r2qkb1r/1b1n1ppp/p3pn2/1p6/3P4/1BN2N2/PP2QPPP/R1BR2K1 b kq - am b4; fmvc 11; id "ST3_01 - Entwicklung";
+rn4kr/pp2p1bp/1qpp2p1/8/3P1P2/4BN2/PPPQ2PP/R3K2R b KQ - am Qxb2; fmvc 12; id "ST3_02 - Entwicklung";
+r1bqkb1r/pppp1ppp/2n5/4P3/3pn3/2P2N2/PP2QPPP/RNB1KB1R b KQkq - am Nc5; fmvc 6; id "ST3_03 - Entwicklung";
+3r2k1/p1R1qp1p/1p2p1p1/nN6/1b3NQ1/4P1P1/P4P1P/6K1 b - - am Qf8; fmvc 26; id "ST3_04 - Koenigssicherheit";
+r2qr1k1/pp3pbp/2n3p1/1N1p4/2P2Pb1/5N2/PP1QBPPP/2KR3R w - - am cxd5; fmvc 14; id "ST3_05 - Koenigssicherheit";
+r4r1k/1pRb1p1p/p3pp1Q/8/3qP1BP/8/P4PP1/2R2K2 b - - am Kg8; fmvc 21; id "ST3_06 - Koenigssicherheit";
+2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ - am O-O; fmvc 14; id "ST3_07 - Koenigssicherheit";
+rqb1k2r/1p3p1p/p1n2Pp1/3Qb3/4N3/4B3/PP2B1P1/R4R1K b kq - am O-O; fmvc 19; id "ST3_08 - Koenigssicherheit";
+r3k2r/p2n1p2/1p3n1p/q1pb2p1/8/P1PB1NB1/3Q1PPP/2R2RK1 b kq - am O-O; fmvc 18; id "ST3_09 - Koenigssicherheit";
+rnbq1rk1/ppp1bpp1/4pn1p/6B1/2pP3P/2N1P2N/PP3PP1/2RQKB1R b K - am hxg5; fmvc 8; id "ST3_10 - Trojaner";
+r1bq1rk1/pp1n1pp1/4pb1p/6B1/7P/5N2/PPPQ1PP1/2KR1B1R b - - am hxg5; fmvc 12; id "ST3_11 - Trojaner";
+2rr2k1/1b1nbppp/p1qnp3/8/Pp1BNP2/3B2N1/1PP1QRPP/3R3K b - - am Qxa4; fmvc 23; id "ST3_12 - Vergifteter Bauer";
+rnb1r1k1/pp1p1ppp/3P1n2/q7/8/2P2N2/P3BPPP/R1BQ1RK1 b - - am Qxc3; fmvc 12; id "ST3_13 - Vergifteter Bauer";
+3r1rk1/4bppp/p1pq1n2/3p1P2/4p2B/2N5/PPP1QPPP/R3R1K1 w - - am Qxa6; fmvc 16; id "ST3_14 - Vergifteter Bauer";
+r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - - am Qxd4; fmvc 18; id "ST3_15 - Vergifteter Bauer";
+1r1qr1k1/4b1p1/p1np3p/2pN1Rp1/P3P2P/4B3/1PPQ4/5R1K b - h3 am Rxb2; fmvc 25; id "ST3_16 - Vergifteter Bauer";
+r3qrk1/1ppb3n/n2p4/p1bP1p1p/N1P1pP1B/PP6/3NB1PP/1RQ2R1K b - - am Bxa4; fmvc 20; id "ST3_17 - Vergifteter Bauer";
+rnb1kb1r/pp2pppp/1q1p1n2/2pP4/4PB2/2N2P2/PPP3PP/R2QKBNR b KQkq - am Qxb2; fmvc 7; id "ST3_18 - Vergifteter Bauer";
+r1bq1rk1/ppp1n1bp/3p4/3Ppnp1/2P1N3/1Q4BP/PP1NBPP1/R3K2R w KQ - am Nxg5; fmvc 16; id "ST3_19 - Vergifteter Bauer";
+rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6 am Qxa8; fmvc 14; id "ST3_20 - Dame vs Tuerme";
+rnb2rk1/pp3pbp/3N2p1/q3p3/8/2P3P1/P3PPBP/R1BQ1RK1 b - - am Rd8; fmvc 12; id "ST3_21 - Dame vs Tuerme";
+2r2rk1/1b1qbppp/p2pp1P1/1pn4P/n2NP3/3BBP2/PPP1NQ2/1KR4R b - - am fxg6; fmvc 19; id "ST3_22 - Laeuferopfer";
+r1bqk2r/1p1n2bp/p1p2pp1/2PppP2/3P4/2NB1N1P/PP3PP1/R2Q1RK1 b kq - am e4; fmvc 12; id "ST3_23 - Laeuferopfer";
+rn1q1rk1/pb3pb1/2p1pn2/1p2N1p1/2pPP3/2N3B1/PPQ1BPP1/R3K2R b KQ - am b4; fmvc 13; id "ST3_24 - Springeropfer";
+rnbq1rk1/pp4pp/2pbp3/5p2/2BP2P1/2P1PN1P/P1Q2P2/R1B1K2R b KQ - am fxg4; fmvc 11; id "ST3_25 - Springeropfer";
+r5k1/1qr1bpp1/3pb1n1/4p1Pp/Np2P2P/1P1B1P2/P1P1Q3/BK1R3R w - - am Qe3; fmvc 28; id "ST3_26 - Qualitaetsopfer";
+rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq - am Qxb7; fmvc 10; id "ST3_27 - Qualitaetsopfer";
+r1bq1rk1/7p/p2p4/nppPn3/2P2P2/1P6/PQ1NB2P/R2N1RK1 b - - am Bh3; fmvc 20; id "ST3_28 - Qualitaetsopfer";
+r1bqr1k1/ppnnppbp/3p2p1/P1pPP3/2B2P2/2N2N1P/1PP3P1/R1BQ1RK1 b - - am dxe5; fmvc 13; id "ST3_29 - Verteidigung";
+r4rk1/2q1ppb1/p5pp/nppPn3/4P3/2N1B3/PP2BPPP/2QR1RK1 b - - am Nac4; fmvc 19; id "ST3_30 - Verteidigung";
+r1bq1rk1/pp2bpp1/3pp3/6P1/4PPn1/2N5/PPPQ2P1/2KR1B1R b - - am Qb6; fmvc 13; id "ST3_31 - Verteidigung";
+r3r1k1/p1p2ppp/b1p1q3/4P3/1np2P1Q/1P6/P3B1PP/B1R2RK1 b - f3 am cxb3; fmvc 19; id "ST3_32 - Verteidigung";
+r1b2rk1/p2pbppp/2p1p3/3nP3/q3NP2/P2B4/2PBQ1PP/1R3R1K b - - am f5 Qd4; fmvc 16; id "ST3_33 - Verteidigung";
+2r1qrk1/p3b1pp/4b3/1pP5/PQpP1p2/4B3/4BPPP/R4RK1 w - - am Bd2; fmvc 22; id "ST3_34 - Verteidigung";
+1r5r/4qp1k/pn2p1b1/4P3/P4Q2/1R5P/1P2NPP1/3R2K1 w - - am Nd4 Qg4; fmvc 36; id "ST3_35 - Verteidigung";
+r1bqkb1r/ppp2p1p/2n3p1/3np1NQ/2B5/8/PPPP1PPP/RNB1K2R w KQkq - am Qf3; fmvc 7; id "ST3_36 - Verteidigung";
+N4bk1/5pp1/6qp/2n5/6b1/6P1/PP3KBP/2R1Q3 w - - am Qe3; fmvc 27; id "ST3_37 - Verteidigung";
+4rrk1/q6p/8/p2P1p2/2PbB3/8/PPQ2N1P/5RK1 w - - am Bd3; fmvc 31; id "ST3_38 - Verteidigung";
+2kr1b1r/pp1b3p/1qn1pp2/3p3n/2pPP1p1/2P2NB1/PPBN1PPP/RQ2K2R w KQ - am Nh4; fmvc 14; id "ST3_39 - Verteidigung";
+3r1rk1/2q3p1/8/1p1bp3/8/PP4P1/4Q2P/R1B1R1K1 w - - am Bg5; fmvc 26; id "ST3_40 - Verteidigung";
+1r2r1k1/Nb1n1ppp/4q3/8/2p1n3/P4Q2/BB3PPP/1R1R2K1 w - - am Nb5; fmvc 24; id "ST3_41 - Verteidigung";
+r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - - am Qa3; fmvc 17; id "ST3_42 - Verteidigung";
+2r2r2/pb2qpp1/1p4k1/3pP1N1/3R1Q1P/8/Pn3PP1/4R1K1 b - - am Nc4; fmvc 22; id "ST3_43 - Verteidigung";
+8/7p/1p3pp1/p2K4/Pk3PPP/8/1P6/8 b - - am Kxa4; fmvc 34; id "ST3_44 - Endspiel B vs B";
+8/2p3k1/3p2p1/1P2p3/2P1P1K1/3P4/8/8 b - - am Kh6; fmvc 30; id "ST3_45 - Endspiel B vs B";
+4k3/8/3PP1p1/8/3K3p/8/3n2PP/8 b - - am Nf1; fmvc 57; id "ST3_46 - Endspiel B vs S";
+8/1p2q2p/p4k2/P3p1p1/1PP1Q2P/8/6P1/7K b - - am gxh4; fmvc 36; id "ST3_47 - Endspiel D vs D";
+6k1/5p2/P3p1p1/2Qp4/5q2/2K5/8/8 b - - am Qc1+; fmvc 50; id "ST3_48 - Endspiel D vs D";
+2r3k1/2Pr2p1/1QR4p/p2qp3/8/3pP3/P4PPP/2R3K1 b - - am d2; fmvc 28; id "ST3_49 - Endspiel D&T vs D&T";
+8/1p4k1/pK5p/2B5/P4pp1/8/7P/8 b - - am g3; fmvc 57; id "ST3_50 - Endspiel L vs B";
+8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - - am Kd7; fmvc 26; id "ST3_51 - Endspiel L vs L";
+B7/p5p1/8/4p3/1P4bP/k1K3P1/8/8 b - - am Bf5; fmvc 57; id "ST3_52 - Endspiel L vs L";
+3k4/p4pp1/5b2/1p1P3p/2p1PB2/2P3P1/KP4P1/8 w - b6 am e5; fmvc 31; id "ST3_53 - Endspiel L vs L";
+6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - - am Ng5; fmvc 34; id "ST3_54 - Endspiel S vs L";
+8/8/4b3/p1n5/N4k2/K1P5/2P5/8 b - - am Ne4; fmvc 37; id "ST3_55 - Endspiel S&B vs L&S";
+5k2/5ppp/8/1R2PP2/1P6/3K4/1r6/8 b - - am g5; fmvc 38; id "ST3_56 - Endspiel T vs T";
+8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - - am Rh6; fmvc 41; id "ST3_57 - Endspiel T vs T";
+8/2R4p/4k3/1p2P3/pP3PK1/r7/8/8 b - - am Rb3; fmvc 52; id "ST3_58 - Endspiel T vs T";
+8/6p1/1p5p/1R2k3/4p3/1P2P3/1K4PP/3r4 b - - am Rd5; fmvc 47; id "ST3_59 - Endspiel T vs T";
+2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - - am f8=Q; fmvc 58; id "ST3_60 - Endspiel T vs T";
+2r5/7P/p5K1/8/p7/6P1/P2kp3/1R6 b - - am e1=Q e1=R e1=B e1=N; fmvc 50; id "ST3_61 - Endspiel T vs T";
+3r4/pp6/4kp2/1BPbp1pp/1P6/P3KP2/6PP/3R4 b - - am f5; fmvc 26; id "ST3_62 - Endspiel T&L vs T&L";
+8/3b1p2/3Pk3/R1K4p/8/6r1/8/2B5 w - - am Ra3; fmvc 64; id "ST3_63 - Endspiel T&L vs T&L";
+8/1pp2pPk/p1n2B2/2R1p1Pp/4P2P/1P2KP2/8/3r4 b - - am Rb1; fmvc 39; id "ST3_64 - Endspiel T&L vs T&S";
+
--- /dev/null
+setboard 8/7p/2k1Pp2/pp1p2p1/3P2P1/4P3/P3K2P/8 w - -
+solution e4
+id "PET001: Pawn endgame"
+go
+setboard 8/1p4kP/5pP1/3p4/8/4P3/7K/8 w - -
+solution e4
+id "PET002: Pawn endgame"
+go
+setboard 8/8/8/pPk3pp/2P1p3/1pK3P1/5PP1/8 w - -
+solution g4
+id "PET003: Pawn endgame"
+go
+setboard 6k1/3p4/3p4/3P4/4P1p1/6P1/8/K7 w - -
+solution Kb1
+id "PET004: Pawn endgame"
+go
+setboard 8/p7/1p2k1p1/8/1p2p1Pp/3pP2P/PP6/5K2 w - -
+solution b3
+id "PET005: Pawn endgame"
+go
+setboard 8/p7/1p2k1p1/8/1p2p1Pp/3pP2P/PP6/5K2 b - -
+solution b3
+id "PET006: Pawn endgame"
+go
+setboard 8/7p/p3pk2/1p5P/3K1P2/1P6/P7/8 w - -
+solution a4
+id "PET007: Pawn endgame"
+go
+setboard 8/8/1p3p2/p3k1pp/4P2P/P3K1P1/1P6/8 w - -
+solution g4
+id "PET008: Pawn endgame"
+go
+setboard 8/8/p3k1p1/1pp5/4KP2/1P6/P5P1/8 w - -
+solution g4
+id "PET009: Pawn endgame"
+go
+setboard 8/1p3p2/p4kpp/1PPp4/P7/7P/5K1P/8 b - -
+solution Ke6
+solution Ke7
+id "PET010: Pawn endgame"
+go
+setboard 8/6p1/7p/p1N5/6PP/2k5/8/3K4 b - -
+solution a4
+id "PET011: pawns vs N"
+go
+setboard 8/8/8/5Bp1/7k/8/4pPKP/8 w - -
+solution Bg4
+id "PET012: pawns vs B"
+go
+setboard 8/8/2p5/pkp3R1/7B/P7/2p3K1/8 w - -
+solution a4+
+id "PET013: pawns vs R+B"
+go
+setboard 8/6k1/6p1/2n2PP1/3N3p/3pK3/8/8 b - -
+solution d2
+id "PET014: Knight endgame"
+go
+setboard 8/1N6/1p1P1n2/p1p1p3/P1P5/1P2k3/2K5/8 w - -
+solution Nxc5
+id "PET015: Knight endgame"
+go
+setboard 4k3/B1p4p/8/p2n1p2/5P2/5P2/1P2K2P/8 w - -
+avoid Be3
+id "PET016: bishop vs knight"
+go
+setboard 8/8/p2k1p2/1p1p3p/1P1P3p/P3NPP1/5K2/1b6 w - -
+solution Ng2
+id "PET017: bishop vs knight"
+go
+setboard 8/3k4/3b4/1K6/7p/5B1P/PP6/8 w - -
+solution b4
+id "PET018: opposite bishops"
+go
+setboard 8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - -
+solution Bh3
+id "PET019: opposite bishops"
+go
+setboard 8/4k1p1/1p2B2p/4p3/8/4P2P/1PP1KbP1/8 b - -
+avoid Bxe3
+id "PET020: opposite bishops"
+go
+setboard 5k2/8/4b3/1B5P/8/8/5pPP/5K2 b - -
+solution Bh3
+id "PET021: bishop endgame"
+go
+setboard 8/2B5/1p1p4/1PkP1p2/P4P2/5P2/1p6/bK6 w - -
+solution Bd8
+id "PET022: bishop endgame"
+go
+setboard 8/2p1bpp1/2Pp4/p2P1P1p/2K2B1P/k5P1/8/8 w - -
+solution f6
+id "PET023: bishop endgame"
+go
+setboard 8/4ppbk/p5pp/3pP3/3B4/5P1P/PP3P2/6K1 b - -
+avoid g5
+id "PET024: bishop endgame"
+go
+setboard 4K3/2k1Bp1N/6p1/5PP1/8/7p/b7/8 w - -
+solution Bf6
+id "PET025: BN vs B"
+go
+setboard 8/5k2/4p3/4Pp1p/5P1P/3Rn2K/6p1/8 b - -
+solution g1=B
+id "PET026: rook vs knight"
+go
+setboard 5k2/8/8/3R4/6K1/8/3b2pP/8 w - -
+solution Rf5+
+id "PET027: rook vs bishop"
+go
+setboard 8/4kp2/4p1p1/2p1r3/PpP5/3R4/1P1K1PP1/8 w - -
+solution g4
+id "PET028: rook endgame"
+go
+setboard 1r3k2/5pp1/3p2p1/8/3P4/P6P/2R2P1K/8 b - -
+solution Ra8
+id "PET029: rook endgame"
+go
+setboard 5k2/p1p4R/1pr5/3p1pP1/P2P1P2/2P2K2/8/8 w - -
+solution Kg3
+id "PET030: rook endgame"
+go
+setboard 8/1r3pkp/8/5p2/8/5PP1/1P1R3P/6K1 b - -
+solution f4
+id "PET031: rook endgame"
+go
+setboard 8/5pk1/r5pp/P7/3R3P/6P1/5PK1/8 w - -
+solution Ra4
+id "PET032: rook endgame"
+go
+setboard 8/4k3/2P2p2/6p1/1P4R1/4K3/7r/8 w - -
+solution Rd4
+id "PET033: rook endgame"
+go
+setboard 3r4/7p/Rp4k1/5p2/4p3/2P5/PP3P1P/5K2 b - -
+solution Rd2
+id "PET034: rook endgame"
+go
+setboard 8/8/p2k3p/1P1p1pp1/P1r5/1R1K1PP1/7P/8 b - -
+solution a5
+id "PET035: rook endgame"
+go
+setboard 8/1r3pkp/R7/6Pp/8/4P3/5PK1/8 b - -
+solution Re7
+id "PET036: rook endgame"
+go
+setboard 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -
+solution Rxb2
+id "PET037: RN vs RB"
+go
+setboard 4k3/2p1b3/4p1p1/1pp1P3/5PP1/1PBK4/r1P2R2/8 b - -
+solution c4+
+id "PET038: RB vs RB"
+go
+setboard 1r6/1pb1k1p1/4p2p/1p1p4/3Pp2P/1R2P1PB/1P2PK2/8 b - -
+solution b4
+id "PET039: RB vs RB"
+go
+setboard 8/8/5P1k/8/2K5/pr2r3/4R3/2R5 w - -
+solution f7
+id "PET042: double rook endgame"
+go
+r5k1/5pp1/1P5p/3R4/2r5/P3P3/2p2PPP/2R3K1 b - -
+solution Rxa3
+id "PET043: double rook endgame"
+go
+setboard 1r6/Rp2rp2/1Pp2kp1/N1Pp3p/3Pp1nP/4P1P1/R4P2/6K1 w - -
+solution Nxb7
+solution Rxb7
+id "PET044: RRN vs RRN"
+go
+setboard 5k2/4p3/3p2Q1/3Pq1pP/5pP1/2P4K/8/8 w - -
+solution Qf5+
+id "PET045: Queen endgame"
+go
+setboard 8/8/1P1k2p1/8/5P1p/4Qb2/1q4PK/8 w - -
+solution Qe5+
+id "PET046: Q+B vs Q"
+go
+setboard 8/p4k2/1p1p1qp1/1P1P4/P5P1/7P/4Q1K1/2b5 b - -
+avoid Qb2
+id "PET047: Q+B vs Q"
+go
+setboard 6qk/1p4pn/8/3p4/2P5/p3P1P1/P1Q3K1/1B6 w - -
+avoid Qxh7+
+id "PET048: Q+B vs Q+N"
+go
+setboard 1Q6/Nn3pbp/2N2p2/1Pqk1P1P/8/8/6P1/7K w - -
+avoid Qxb7
+id "PET049: QNN vs QBN"
+go
+setboard 7k/7p/1p4p1/n2p4/1K1p3R/2NB4/3Q1P2/q1r5 w - -
+solution Rxh7+
+id "PET050: QNBR vs QNR"
+go
+version
+
--- /dev/null
+setboard 1n1r1rk1/ppq2ppp/3p2b1/3B1NP1/4PB1R/bP2P2P/P1P5/3KQ1R1 w - -
+id Quick-01
+solution Qc3
+go
+setboard 1n1r1rk1/ppq2ppp/3p2b1/3B1NP1/4PB1R/bP2P2P/P1P5/3KQ1R1 w - -
+id Quick-02
+solution Qc3
+go
+setboard 3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - -
+id Quick-03
+solution Qa8
+go
+setboard 4qrk1/3nppb1/R1Np2p1/3P2P1/1Pr5/4B3/5Q1P/5R1K w - -
+id Quick-04
+solution Ra8
+go
+setboard r3r3/2R2pk1/p2p1bpp/3P4/q2pQ3/5N1P/5PP1/1R4K1 w - -
+id Quick-05
+solution Rxf7+
+go
+setboard r3r3/2R2pk1/p2p1bpp/3P4/q2pQ3/5N1P/5PP1/1R4K1 w - -
+id Quick-06
+solution Rxf7+
+go
+setboard r5k1/Rb4p1/2q2pBp/1pp5/1b4QN/1P2P2P/5PP1/6K1 w - -
+id Quick-07
+solution Rxb7
+go
+setboard 3R4/5r1p/5ppk/8/1Q3PPq/5P2/6K1/8 w - -
+id Quick-08
+solution Rg8
+go
+setboard 2kr3r/ppp3pp/2pbbn2/4N3/3Pp3/2P3Pq/PP1NQP1P/R1B2RK1 w - -
+id Quick-09
+avoid Nxe4
+go
+setboard 2r3k1/pp1bpp1p/3p1npQ/q1r5/4P1P1/2NR1P2/PPP1N3/2K4R w - -
+id Quick-10
+solution g5
+go
+setboard r1b2rk1/pp3p2/2p2bpQ/8/1q1P4/2N2N2/Pn3PPP/1B1RR1K1 w - -
+id Quick-11
+solution Bxg6
+go
+setboard r2qk2r/1p1bbp2/1P2p3/p2pPp2/n2N1N1p/3PB3/5QPP/R4RK1 w kq -
+id Quick-12
+solution Rxa4
+go
+setboard 3r1n1r/1p2q1k1/p1p1P1p1/3n4/5Pp1/P5N1/1P3QP1/1BR1R1K1 w - -
+id Quick-13
+solution Bxg6
+go
+setboard r2q1rk1/p1p3pp/b2bp3/2pp4/6p1/2NPPN2/PPP2PP1/R1BQR1K1 w - -
+id Quick-14
+solution Ne5
+go
+setboard r2q1rk1/p1p3pp/b2bp3/2pp4/6p1/2NPPN2/PPP2PP1/R1BQR1K1 w - -
+id Quick-15
+solution Ne5
+go
+setboard 3k4/p7/K3BP2/8/7p/8/2P4P/8 w - -
+id Quick-16
+solution Kb7
+go
+setboard rq4k1/pp1nrppp/4bn2/6R1/3QP3/P4PN1/4B1PP/2B2RK1 w - -
+id Quick-17
+solution Rxg7+
+go
+setboard 2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - -
+id Quick-18
+solution Qb4
+go
+setboard 2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - -
+id Quick-19
+solution Qb4
+go
+setboard 2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - -
+id Quick-20
+solution Qb4
+go
+setboard r1b1kb1r/2q2ppp/p2ppP2/1pn3P1/3NP3/2N2Q2/PPP4P/2KR1B1R w kq -
+id Quick-21
+solution Bxb5+
+go
+setboard r1b1kb1r/2q2ppp/p2ppP2/1pn3P1/3NP3/2N2Q2/PPP4P/2KR1B1R w kq -
+id Quick-22
+solution Bxb5+
+go
+setboard r1b1kb1r/2q2ppp/p2ppP2/1pn3P1/3NP3/2N2Q2/PPP4P/2KR1B1R w kq -
+id Quick-23
+solution Bxb5+
+go
+setboard 3B4/1R3p1k/2p4p/2Pp3r/3P4/4Q1K1/6P1/3b1q2 w - -
+id Quick-24
+solution Bf6
+go
--- /dev/null
+setboard
+id "ST3_01 - Entwicklung"
+
+go
+setboard
+id "ST3_02 - Entwicklung"
+
+go
+setboard
+id "ST3_03 - Entwicklung"
+
+go
+setboard
+id "ST3_04 - Koenigssicherheit"
+
+go
+setboard r2qr1k1/pp3pbp/2n3p1/1N1p4/2P2Pb1/5N2/PP1QBPPP/2KR3R w - -
+id "ST3_05 - Koenigssicherheit"
+avoid cxd5
+go
+setboard r2qr1k1/pp3pbp/2n3p1/1N1p4/2P2Pb1/5N2/PP1QBPPP/2KR3R w - -
+id "ST3_06 - Koenigssicherheit"
+avoid cxd5
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_07 - Koenigssicherheit"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_08 - Koenigssicherheit"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_09 - Koenigssicherheit"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_10 - Trojaner"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_11 - Trojaner"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_12 - Vergifteter Bauer"
+avoid O-O
+go
+setboard 2kr1nr1/pbp1qp2/1p2pn1p/8/3Pp2Q/P1P3N1/2PBBPPP/R3K2R w KQ -
+id "ST3_13 - Vergifteter Bauer"
+avoid O-O
+go
+setboard 3r1rk1/4bppp/p1pq1n2/3p1P2/4p2B/2N5/PPP1QPPP/R3R1K1 w - -
+id "ST3_14 - Vergifteter Bauer"
+avoid Qxa6
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_15 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_16 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_17 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r2q1r1k/1p2b1pp/p3Bn2/3N4/P2pP3/4p3/1PP3PP/R2Q1RK1 w - -
+id "ST3_18 - Vergifteter Bauer"
+avoid Qxd4
+go
+setboard r1bq1rk1/ppp1n1bp/3p4/3Ppnp1/2P1N3/1Q4BP/PP1NBPP1/R3K2R w KQ -
+id "ST3_19 - Vergifteter Bauer"
+avoid Nxg5
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_20 - Dame vs Tuerme"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_21 - Dame vs Tuerme"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_22 - Laeuferopfer"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_23 - Laeuferopfer"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_24 - Springeropfer"
+avoid Qxa8
+go
+setboard rn2r1k1/p1pq2pp/bp2p3/5p2/2PPQ3/B1PB4/P4PPP/R3K2R w KQ f6
+id "ST3_25 - Springeropfer"
+avoid Qxa8
+go
+setboard r5k1/1qr1bpp1/3pb1n1/4p1Pp/Np2P2P/1P1B1P2/P1P1Q3/BK1R3R w - -
+id "ST3_26 - Qualitaetsopfer"
+avoid Qe3
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_27 - Qualitaetsopfer"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_28 - Qualitaetsopfer"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_29 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_30 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_31 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_32 - Verteidigung"
+avoid Qxb7
+go
+setboard rn2kb1r/pp3p1p/2p2np1/3p1b2/3q1B2/1QN5/PP1NPPPP/R3KB1R w KQkq -
+id "ST3_33 - Verteidigung"
+avoid Qxb7
+go
+setboard 2r1qrk1/p3b1pp/4b3/1pP5/PQpP1p2/4B3/4BPPP/R4RK1 w - -
+id "ST3_34 - Verteidigung"
+avoid Bd2
+go
+setboard 1r5r/4qp1k/pn2p1b1/4P3/P4Q2/1R5P/1P2NPP1/3R2K1 w - -
+id "ST3_35 - Verteidigung"
+avoid Nd4 Qg4
+go
+setboard r1bqkb1r/ppp2p1p/2n3p1/3np1NQ/2B5/8/PPPP1PPP/RNB1K2R w KQkq -
+id "ST3_36 - Verteidigung"
+avoid Qf3
+go
+setboard N4bk1/5pp1/6qp/2n5/6b1/6P1/PP3KBP/2R1Q3 w - -
+id "ST3_37 - Verteidigung"
+avoid Qe3
+go
+setboard 4rrk1/q6p/8/p2P1p2/2PbB3/8/PPQ2N1P/5RK1 w - -
+id "ST3_38 - Verteidigung"
+avoid Bd3
+go
+setboard 2kr1b1r/pp1b3p/1qn1pp2/3p3n/2pPP1p1/2P2NB1/PPBN1PPP/RQ2K2R w KQ -
+id "ST3_39 - Verteidigung"
+avoid Nh4
+go
+setboard 3r1rk1/2q3p1/8/1p1bp3/8/PP4P1/4Q2P/R1B1R1K1 w - -
+id "ST3_40 - Verteidigung"
+avoid Bg5
+go
+setboard 1r2r1k1/Nb1n1ppp/4q3/8/2p1n3/P4Q2/BB3PPP/1R1R2K1 w - -
+id "ST3_41 - Verteidigung"
+avoid Nb5
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_42 - Verteidigung"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_43 - Verteidigung"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_44 - Endspiel B vs B"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_45 - Endspiel B vs B"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_46 - Endspiel B vs S"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_47 - Endspiel D vs D"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_48 - Endspiel D vs D"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_49 - Endspiel D&T vs D&T"
+avoid Qa3
+go
+setboard r2qr1k1/pp3pp1/5n1p/2pPn3/2b5/1QP1B1PP/P3NPB1/R3R1K1 w - -
+id "ST3_50 - Endspiel L vs B"
+avoid Qa3
+go
+setboard 8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - -
+id "ST3_51 - Endspiel L vs L"
+avoid Kd7
+go
+setboard 8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - -
+id "ST3_52 - Endspiel L vs L"
+avoid Kd7
+go
+setboard 8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - -
+id "ST3_53 - Endspiel L vs L"
+avoid Kd7
+go
+setboard 6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - -
+id "ST3_54 - Endspiel S vs L"
+avoid Ng5
+go
+setboard 6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - -
+id "ST3_55 - Endspiel S&B vs L&S"
+avoid Ng5
+go
+setboard 6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - -
+id "ST3_56 - Endspiel T vs T"
+avoid Ng5
+go
+setboard 8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - -
+id "ST3_57 - Endspiel T vs T"
+avoid Rh6
+go
+setboard 8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - -
+id "ST3_58 - Endspiel T vs T"
+avoid Rh6
+go
+setboard 8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - -
+id "ST3_59 - Endspiel T vs T"
+avoid Rh6
+go
+setboard 2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - -
+id "ST3_60 - Endspiel T vs T"
+avoid f8=Q
+go
+setboard 2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - -
+id "ST3_61 - Endspiel T vs T"
+avoid f8=Q
+go
+setboard 2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - -
+id "ST3_62 - Endspiel T&L vs T&L"
+avoid f8=Q
+go
+setboard 8/3b1p2/3Pk3/R1K4p/8/6r1/8/2B5 w - -
+id "ST3_63 - Endspiel T&L vs T&L"
+avoid Ra3
+go
+setboard 8/3b1p2/3Pk3/R1K4p/8/6r1/8/2B5 w - -
+id "ST3_64 - Endspiel T&L vs T&S"
+avoid Ra3
+go
--- /dev/null
+setboard 2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/R4RK1 w - -
+solution Qg6
+id "WAC.001"
+go
+setboard 8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - -
+solution Rxb2
+id "WAC.002"
+go
+setboard 5rk1/1ppb3p/p1pb4/6q1/3P1p1r/2P1R2P/PP1BQ1P1/5RKN w - -
+solution Rg3
+id "WAC.003"
+go
+setboard r1bq2rk/pp3pbp/2p1p1pQ/7P/3P4/2PB1N2/PP3PPR/2KR4 w - -
+solution Qxh7+
+id "WAC.004"
+go
+setboard 5k2/6pp/p1qN4/1p1p4/3P4/2PKP2Q/PP3r2/3R4 b - -
+solution Qc4+
+id "WAC.005"
+go
+setboard 7k/p7/1R5K/6r1/6p1/6P1/8/8 w - -
+solution Rb7
+id "WAC.006"
+go
+setboard rnbqkb1r/pppp1ppp/8/4P3/6n1/7P/PPPNPPP1/R1BQKBNR b KQkq -
+solution Ne3
+id "WAC.007"
+go
+setboard r4q1k/p2bR1rp/2p2Q1N/5p2/5p2/2P5/PP3PPP/R5K1 w - -
+solution Rf7
+id "WAC.008"
+go
+setboard 3q1rk1/p4pp1/2pb3p/3p4/6Pr/1PNQ4/P1PB1PP1/4RRK1 b - -
+solution Bh2+
+id "WAC.009"
+go
+setboard 2br2k1/2q3rn/p2NppQ1/2p1P3/Pp5R/4P3/1P3PPP/3R2K1 w - -
+solution Rxh7
+id "WAC.010"
+go
+setboard r1b1kb1r/3q1ppp/pBp1pn2/8/Np3P2/5B2/PPP3PP/R2Q1RK1 w kq -
+solution Bxc6
+id "WAC.011"
+go
+setboard 4k1r1/2p3r1/1pR1p3/3pP2p/3P2qP/P4N2/1PQ4P/5R1K b - -
+solution Qxf3+
+id "WAC.012"
+go
+setboard 5rk1/pp4p1/2n1p2p/2Npq3/2p5/6P1/P3P1BP/R4Q1K w - -
+solution Qxf8+
+id "WAC.013"
+go
+setboard r2rb1k1/pp1q1p1p/2n1p1p1/2bp4/5P2/PP1BPR1Q/1BPN2PP/R5K1 w - -
+solution Qxh7+
+id "WAC.014"
+go
+setboard 1R6/1brk2p1/4p2p/p1P1Pp2/P7/6P1/1P4P1/2R3K1 w - -
+solution Rxb7
+id "WAC.015"
+go
+setboard r4rk1/ppp2ppp/2n5/2bqp3/8/P2PB3/1PP1NPPP/R2Q1RK1 w - -
+solution Nc3
+id "WAC.016"
+go
+setboard 1k5r/pppbn1pp/4q1r1/1P3p2/2NPp3/1QP5/P4PPP/R1B1R1K1 w - -
+solution Ne5
+id "WAC.017"
+go
+setboard R7/P4k2/8/8/8/8/r7/6K1 w - -
+solution Rh8
+id "WAC.018"
+go
+setboard r1b2rk1/ppbn1ppp/4p3/1QP4q/3P4/N4N2/5PPP/R1B2RK1 w - -
+solution c6
+id "WAC.019"
+go
+setboard r2qkb1r/1ppb1ppp/p7/4p3/P1Q1P3/2P5/5PPP/R1B2KNR b kq -
+solution Bb5
+id "WAC.020"
+go
+setboard 5rk1/1b3p1p/pp3p2/3n1N2/1P6/P1qB1PP1/3Q3P/4R1K1 w - -
+solution Qh6
+id "WAC.021"
+go
+setboard r1bqk2r/ppp1nppp/4p3/n5N1/2BPp3/P1P5/2P2PPP/R1BQK2R w KQkq -
+solution Ba2
+solution Nxf7
+id "WAC.022"
+go
+setboard r3nrk1/2p2p1p/p1p1b1p1/2NpPq2/3R4/P1N1Q3/1PP2PPP/4R1K1 w - -
+solution g4
+id "WAC.023"
+go
+setboard 6k1/1b1nqpbp/pp4p1/5P2/1PN5/4Q3/P5PP/1B2B1K1 b - -
+solution Bd4
+id "WAC.024"
+go
+setboard 3R1rk1/8/5Qpp/2p5/2P1p1q1/P3P3/1P2PK2/8 b - -
+solution Qh4+
+id "WAC.025"
+go
+setboard 3r2k1/1p1b1pp1/pq5p/8/3NR3/2PQ3P/PP3PP1/6K1 b - -
+solution Bf5
+id "WAC.026"
+go
+setboard 7k/pp4np/2p3p1/3pN1q1/3P4/Q7/1r3rPP/2R2RK1 w - -
+solution Qf8+
+id "WAC.027"
+go
+setboard 1r1r2k1/4pp1p/2p1b1p1/p3R3/RqBP4/4P3/1PQ2PPP/6K1 b - -
+solution Qe1+
+id "WAC.028"
+go
+setboard r2q2k1/pp1rbppp/4pn2/2P5/1P3B2/6P1/P3QPBP/1R3RK1 w - -
+solution c6
+id "WAC.029"
+go
+setboard 1r3r2/4q1kp/b1pp2p1/5p2/pPn1N3/6P1/P3PPBP/2QRR1K1 w - -
+solution Nxd6
+id "WAC.030"
+go
+setboard rb3qk1/pQ3ppp/4p3/3P4/8/1P3N2/1P3PPP/3R2K1 w - -
+solution Qxa8
+solution d6
+solution dxe6
+id "WAC.031"
+go
+setboard 6k1/p4p1p/1p3np1/2q5/4p3/4P1N1/PP3PPP/3Q2K1 w - -
+solution Qd8+
+id "WAC.032"
+go
+setboard 8/p1q2pkp/2Pr2p1/8/P3Q3/6P1/5P1P/2R3K1 w - -
+solution Qe5+
+solution Qf4
+id "WAC.033"
+go
+setboard 7k/1b1r2p1/p6p/1p2qN2/3bP3/3Q4/P5PP/1B1R3K b - -
+solution Bg1
+id "WAC.034"
+go
+setboard r3r2k/2R3pp/pp1q1p2/8/3P3R/7P/PP3PP1/3Q2K1 w - -
+solution Rxh7+
+id "WAC.035"
+go
+setboard 3r4/2p1rk2/1pQq1pp1/7p/1P1P4/P4P2/6PP/R1R3K1 b - -
+solution Re1+
+id "WAC.036"
+go
+setboard 2r5/2rk2pp/1pn1pb2/pN1p4/P2P4/1N2B3/nPR1KPPP/3R4 b - -
+solution Nxd4+
+id "WAC.037"
+go
+setboard 4k3/p4prp/1p6/2b5/8/2Q3P1/P2R1PKP/4q3 w - -
+solution Rd8+
+id "WAC.038"
+go
+setboard r1br2k1/pp2bppp/2nppn2/8/2P1PB2/2N2P2/PqN1B1PP/R2Q1R1K w - -
+solution Na4
+id "WAC.039"
+go
+setboard 3r1r1k/1p4pp/p4p2/8/1PQR4/6Pq/P3PP2/2R3K1 b - -
+solution Rc8
+id "WAC.040"
+go
+setboard 1k6/5RP1/1P6/1K6/6r1/8/8/8 w - -
+solution Ka5
+solution Kc5
+id "WAC.041"
+go
+setboard r1b1r1k1/pp1n1pbp/1qp3p1/3p4/1B1P4/Q3PN2/PP2BPPP/R4RK1 w - -
+solution Ba5
+id "WAC.042"
+go
+setboard r2q3k/p2P3p/1p3p2/3QP1r1/8/B7/P5PP/2R3K1 w - -
+solution Be7
+solution Qxa8
+id "WAC.043"
+go
+setboard 3rb1k1/pq3pbp/4n1p1/3p4/2N5/2P2QB1/PP3PPP/1B1R2K1 b - -
+solution dxc4
+id "WAC.044"
+go
+setboard 7k/2p1b1pp/8/1p2P3/1P3r2/2P3Q1/1P5P/R4qBK b - -
+solution Qxa1
+id "WAC.045"
+go
+setboard r1bqr1k1/pp1nb1p1/4p2p/3p1p2/3P4/P1N1PNP1/1PQ2PP1/3RKB1R w K -
+solution Nb5
+id "WAC.046"
+go
+setboard r1b2rk1/pp2bppp/2n1pn2/q5B1/2BP4/2N2N2/PP2QPPP/2R2RK1 b - -
+solution Nxd4
+id "WAC.047"
+go
+setboard 1rbq1rk1/p1p1bppp/2p2n2/8/Q1BP4/2N5/PP3PPP/R1B2RK1 b - -
+solution Rb4
+id "WAC.048"
+go
+setboard 2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - -
+solution Qxh7+
+id "WAC.049"
+go
+setboard k4r2/1R4pb/1pQp1n1p/3P4/5p1P/3P2P1/r1q1R2K/8 w - -
+solution Rxb6+
+id "WAC.050"
+go
+setboard r1bq1r2/pp4k1/4p2p/3pPp1Q/3N1R1P/2PB4/6P1/6K1 w - -
+solution Rg4+
+id "WAC.051"
+go
+setboard r1k5/1p3q2/1Qpb4/3N1p2/5Pp1/3P2Pp/PPPK3P/4R3 w - -
+solution Re7
+id "WAC.052"
+go
+setboard 6k1/6p1/p7/3Pn3/5p2/4rBqP/P4RP1/5QK1 b - -
+solution Re1
+id "WAC.053"
+go
+setboard r3kr2/1pp4p/1p1p4/7q/4P1n1/2PP2Q1/PP4P1/R1BB2K1 b q -
+solution Qh1+
+id "WAC.054"
+go
+setboard r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - -
+solution Qxg7+
+id "WAC.055"
+go
+setboard r1bqk2r/pppp1ppp/5n2/2b1n3/4P3/1BP3Q1/PP3PPP/RNB1K1NR b KQkq -
+solution Bxf2+
+id "WAC.056"
+go
+setboard r3q1kr/ppp5/3p2pQ/8/3PP1b1/5R2/PPP3P1/5RK1 w - -
+solution Rf8+
+id "WAC.057"
+go
+setboard 8/8/2R5/1p2qp1k/1P2r3/2PQ2P1/5K2/8 w - -
+solution Qd1+
+id "WAC.058"
+go
+setboard r1b2rk1/2p1qnbp/p1pp2p1/5p2/2PQP3/1PN2N1P/PB3PP1/3R1RK1 w - -
+solution Nd5
+id "WAC.059"
+go
+setboard rn1qr1k1/1p2np2/2p3p1/8/1pPb4/7Q/PB1P1PP1/2KR1B1R w - -
+solution Qh8+
+id "WAC.060"
+go
+setboard 3qrbk1/ppp1r2n/3pP2p/3P4/2P4P/1P3Q2/PB6/R4R1K w - -
+solution Qf7+
+id "WAC.061"
+go
+setboard 6r1/3Pn1qk/p1p1P1rp/2Q2p2/2P5/1P4P1/P3R2P/5RK1 b - -
+solution Rxg3+
+id "WAC.062"
+go
+setboard r1brnbk1/ppq2pp1/4p2p/4N3/3P4/P1PB1Q2/3B1PPP/R3R1K1 w - -
+solution Nxf7
+id "WAC.063"
+go
+setboard 8/6pp/3q1p2/3n1k2/1P6/3NQ2P/5PP1/6K1 w - -
+solution g4+
+id "WAC.064"
+go
+setboard 1r1r1qk1/p2n1p1p/bp1Pn1pQ/2pNp3/2P2P1N/1P5B/P6P/3R1RK1 w - -
+solution Ne7+
+id "WAC.065"
+go
+setboard 1k1r2r1/ppq5/1bp4p/3pQ3/8/2P2N2/PP4P1/R4R1K b - -
+solution Qxe5
+id "WAC.066"
+go
+setboard 3r2k1/p2q4/1p4p1/3rRp1p/5P1P/6PK/P3R3/3Q4 w - -
+solution Rxd5
+id "WAC.067"
+go
+setboard 6k1/5ppp/1q6/2b5/8/2R1pPP1/1P2Q2P/7K w - -
+solution Qxe3
+id "WAC.068"
+go
+setboard 2k5/pppr4/4R3/4Q3/2pp2q1/8/PPP2PPP/6K1 w - -
+solution f3
+solution h3
+id "WAC.069"
+go
+setboard 2kr3r/pppq1ppp/3p1n2/bQ2p3/1n1PP3/1PN1BN1P/1PP2PP1/2KR3R b - -
+solution Na2+
+id "WAC.070"
+go
+setboard 2kr3r/pp1q1ppp/5n2/1Nb5/2Pp1B2/7Q/P4PPP/1R3RK1 w - -
+solution Nxa7+
+id "WAC.071"
+go
+setboard r3r1k1/pp1n1ppp/2p5/4Pb2/2B2P2/B1P5/P5PP/R2R2K1 w - -
+solution e6
+id "WAC.072"
+go
+setboard r1q3rk/1ppbb1p1/4Np1p/p3pP2/P3P3/2N4R/1PP1Q1PP/3R2K1 w - -
+solution Qd2
+id "WAC.073"
+go
+setboard 5r1k/pp4pp/2p5/2b1P3/4Pq2/1PB1p3/P3Q1PP/3N2K1 b - -
+solution Qf1+
+id "WAC.074"
+go
+setboard r3r1k1/pppq1ppp/8/8/1Q4n1/7P/PPP2PP1/RNB1R1K1 b - -
+solution Qd6
+id "WAC.075"
+go
+setboard r1b1qrk1/2p2ppp/pb1pnn2/1p2pNB1/3PP3/1BP5/PP2QPPP/RN1R2K1 w - -
+solution Bxf6
+id "WAC.076"
+go
+setboard 3r2k1/ppp2ppp/6q1/b4n2/3nQB2/2p5/P4PPP/RN3RK1 b - -
+solution Ng3
+id "WAC.077"
+go
+setboard r2q3r/ppp2k2/4nbp1/5Q1p/2P1NB2/8/PP3P1P/3RR1K1 w - -
+solution Ng5+
+id "WAC.078"
+go
+setboard r3k2r/pbp2pp1/3b1n2/1p6/3P3p/1B2N1Pq/PP1PQP1P/R1B2RK1 b kq -
+solution Qxh2+
+id "WAC.079"
+go
+setboard r4rk1/p1B1bpp1/1p2pn1p/8/2PP4/3B1P2/qP2QP1P/3R1RK1 w - -
+solution Ra1
+id "WAC.080"
+go
+setboard r4rk1/1bR1bppp/4pn2/1p2N3/1P6/P3P3/4BPPP/3R2K1 b - -
+solution Bd6
+id "WAC.081"
+go
+setboard 3rr1k1/pp3pp1/4b3/8/2P1B2R/6QP/P3q1P1/5R1K w - -
+solution Bh7+
+id "WAC.082"
+go
+setboard 3rr1k1/ppqbRppp/2p5/8/3Q1n2/2P3N1/PPB2PPP/3R2K1 w - -
+solution Qxd7
+id "WAC.083"
+go
+setboard r2q1r1k/2p1b1pp/p1n5/1p1Q1bN1/4n3/1BP1B3/PP3PPP/R4RK1 w - -
+solution Qg8+
+id "WAC.084"
+go
+setboard kr2R3/p4r2/2pq4/2N2p1p/3P2p1/Q5P1/5P1P/5BK1 w - -
+solution Na6
+id "WAC.085"
+go
+setboard 8/p7/1ppk1n2/5ppp/P1PP4/2P1K1P1/5N1P/8 b - -
+solution Ng4+
+id "WAC.086"
+go
+setboard 8/p3k1p1/4r3/2ppNpp1/PP1P4/2P3KP/5P2/8 b - -
+solution Rxe5
+id "WAC.087"
+go
+setboard r6k/p1Q4p/2p1b1rq/4p3/B3P3/4P3/PPP3P1/4RRK1 b - -
+solution Rxg2+
+id "WAC.088"
+go
+setboard 1r3b1k/p4rpp/4pp2/3q4/2ppbPPQ/6RK/PP5P/2B1NR2 b - -
+solution g5
+id "WAC.089"
+go
+setboard 3qrrk1/1pp2pp1/1p2bn1p/5N2/2P5/P1P3B1/1P4PP/2Q1RRK1 w - -
+solution Nxg7
+id "WAC.090"
+go
+setboard 2qr2k1/4b1p1/2p2p1p/1pP1p3/p2nP3/PbQNB1PP/1P3PK1/4RB2 b - -
+solution Be6
+id "WAC.091"
+go
+setboard r4rk1/1p2ppbp/p2pbnp1/q7/3BPPP1/2N2B2/PPP4P/R2Q1RK1 b - -
+solution Bxg4
+id "WAC.092"
+go
+setboard r1b1k1nr/pp3pQp/4pq2/3pn3/8/P1P5/2P2PPP/R1B1KBNR w KQkq -
+solution Bh6
+id "WAC.093"
+go
+setboard 8/k7/p7/3Qp2P/n1P5/3KP3/1q6/8 b - -
+solution e4+
+id "WAC.094"
+go
+setboard 2r5/1r6/4pNpk/3pP1qp/8/2P1QP2/5PK1/R7 w - -
+solution Ng4+
+id "WAC.095"
+go
+setboard r1b4k/ppp2Bb1/6Pp/3pP3/1qnP1p1Q/8/PPP3P1/1K1R3R w - -
+solution Qd8+
+id "WAC.096"
+go
+setboard 6k1/5p2/p5np/4B3/3P4/1PP1q3/P3r1QP/6RK w - -
+solution Qa8+
+id "WAC.097"
+go
+setboard 1r3rk1/5pb1/p2p2p1/Q1n1q2p/1NP1P3/3p1P1B/PP1R3P/1K2R3 b - -
+solution Nxe4
+id "WAC.098"
+go
+setboard r1bq1r1k/1pp1Np1p/p2p2pQ/4R3/n7/8/PPPP1PPP/R1B3K1 w - -
+solution Rh5
+id "WAC.099"
+go
+setboard 8/k1b5/P4p2/1Pp2p1p/K1P2P1P/8/3B4/8 w - -
+solution b6+
+id "WAC.100"
+go
+setboard 5rk1/p5pp/8/8/2Pbp3/1P4P1/7P/4RN1K b - -
+solution Bc3
+id "WAC.101"
+go
+setboard 2Q2n2/2R4p/1p1qpp1k/8/3P3P/3B2P1/5PK1/r7 w - -
+solution Qxf8+
+id "WAC.102"
+go
+setboard 6k1/2pb1r1p/3p1PpQ/p1nPp3/1q2P3/2N2P2/PrB5/2K3RR w - -
+solution Qxg6+
+id "WAC.103"
+go
+setboard b4r1k/pq2rp2/1p1bpn1p/3PN2n/2P2P2/P2B3K/1B2Q2N/3R2R1 w - -
+solution Qxh5
+id "WAC.104"
+go
+setboard r2r2k1/pb3ppp/1p1bp3/7q/3n2nP/PP1B2P1/1B1N1P2/RQ2NRK1 b - -
+solution Qxh4
+id "WAC.105"
+go
+setboard 4rrk1/pppb4/7p/3P2pq/3Qn3/P5P1/1PP4P/R3RNNK b - -
+solution Nf2+
+id "WAC.106"
+go
+setboard 5n2/pRrk2p1/P4p1p/4p3/3N4/5P2/6PP/6K1 w - -
+solution Nb5
+id "WAC.107"
+go
+setboard r5k1/1q4pp/2p5/p1Q5/2P5/5R2/4RKPP/r7 w - -
+solution Qe5
+id "WAC.108"
+go
+setboard rn2k1nr/pbp2ppp/3q4/1p2N3/2p5/QP6/PB1PPPPP/R3KB1R b KQkq -
+solution c3
+id "WAC.109"
+go
+setboard 2kr4/bp3p2/p2p2b1/P7/2q5/1N4B1/1PPQ2P1/2KR4 b - -
+solution Be3
+id "WAC.110"
+go
+setboard 6k1/p5p1/5p2/2P2Q2/3pN2p/3PbK1P/7P/6q1 b - -
+solution Qf1+
+id "WAC.111"
+go
+setboard r4kr1/ppp5/4bq1b/7B/2PR1Q1p/2N3P1/PP3P1P/2K1R3 w - -
+solution Rxe6
+id "WAC.112"
+go
+setboard rnbqkb1r/1p3ppp/5N2/1p2p1B1/2P5/8/PP2PPPP/R2QKB1R b KQkq -
+solution Qxf6
+id "WAC.113"
+go
+setboard r1b1rnk1/1p4pp/p1p2p2/3pN2n/3P1PPq/2NBPR1P/PPQ5/2R3K1 w - -
+solution Bxh7+
+id "WAC.114"
+go
+setboard 4N2k/5rpp/1Q6/p3q3/8/P5P1/1P3P1P/5K2 w - -
+solution Nd6
+id "WAC.115"
+go
+setboard r2r2k1/2p2ppp/p7/1p2P1n1/P6q/5P2/1PB1QP1P/R5RK b - -
+solution Rd2
+id "WAC.116"
+go
+setboard 3r1rk1/q4ppp/p1Rnp3/8/1p6/1N3P2/PP3QPP/3R2K1 b - -
+solution Ne4
+id "WAC.117"
+go
+setboard r5k1/pb2rpp1/1p6/2p4q/5R2/2PB2Q1/P1P3PP/5R1K w - -
+solution Rh4
+id "WAC.118"
+go
+setboard r2qr1k1/p1p2ppp/2p5/2b5/4nPQ1/3B4/PPP3PP/R1B2R1K b - -
+solution Qxd3
+id "WAC.119"
+go
+setboard r4rk1/1bn2qnp/3p1B1Q/p2P1pP1/1pp5/5N1P/PPB2P2/2KR3R w - -
+solution g6
+id "WAC.120"
+go
+setboard 6k1/5p1p/2bP2pb/4p3/2P5/1p1pNPPP/1P1Q1BK1/1q6 b - -
+solution Bxf3+
+id "WAC.121"
+go
+setboard 1k6/ppp4p/1n2pq2/1N2Rb2/2P2Q2/8/P4KPP/3r1B2 b - -
+solution Rxf1+
+id "WAC.122"
+go
+setboard 6k1/1b2rp2/1p4p1/3P4/PQ4P1/2N2q2/5P2/3R2K1 b - -
+solution Bxd5
+solution Rc7
+id "WAC.123"
+go
+setboard 6k1/3r4/2R5/P5P1/1P4p1/8/4rB2/6K1 b - -
+solution g3
+id "WAC.124"
+go
+setboard r1bqr1k1/pp3ppp/1bp5/3n4/3B4/2N2P1P/PPP1B1P1/R2Q1RK1 b - -
+solution Bxd4+
+id "WAC.125"
+go
+setboard r5r1/pQ5p/1qp2R2/2k1p3/4P3/2PP4/P1P3PP/6K1 w - -
+solution Rxc6+
+id "WAC.126"
+go
+setboard 2k4r/1pr1n3/p1p1q2p/5pp1/3P1P2/P1P1P3/1R2Q1PP/1RB3K1 w - -
+solution Rxb7
+id "WAC.127"
+go
+setboard 6rk/1pp2Qrp/3p1B2/1pb1p2R/3n1q2/3P4/PPP3PP/R6K w - -
+solution Qg6
+id "WAC.128"
+go
+setboard 3r1r1k/1b2b1p1/1p5p/2p1Pp2/q1B2P2/4P2P/1BR1Q2K/6R1 b - -
+solution Bf3
+id "WAC.129"
+go
+setboard 6k1/1pp3q1/5r2/1PPp4/3P1pP1/3Qn2P/3B4/4R1K1 b - -
+solution Qh6
+solution Qh8
+id "WAC.130"
+go
+setboard 2rq1bk1/p4p1p/1p4p1/3b4/3B1Q2/8/P4PpP/3RR1K1 w - -
+solution Re8
+id "WAC.131"
+go
+setboard 4r1k1/5bpp/2p5/3pr3/8/1B3pPq/PPR2P2/2R2QK1 b - -
+solution Re1
+id "WAC.132"
+go
+setboard r1b1k2r/1pp1q2p/p1n3p1/3QPp2/8/1BP3B1/P5PP/3R1RK1 w kq -
+solution Bh4
+id "WAC.133"
+go
+setboard 3r2k1/p6p/2Q3p1/4q3/2P1p3/P3Pb2/1P3P1P/2K2BR1 b - -
+solution Rd1+
+id "WAC.134"
+go
+setboard 3r1r1k/N2qn1pp/1p2np2/2p5/2Q1P2N/3P4/PP4PP/3R1RK1 b - -
+solution Nd4
+id "WAC.135"
+go
+setboard 6kr/1q2r1p1/1p2N1Q1/5p2/1P1p4/6R1/7P/2R3K1 w - -
+solution Rc8+
+id "WAC.136"
+go
+setboard 3b1rk1/1bq3pp/5pn1/1p2rN2/2p1p3/2P1B2Q/1PB2PPP/R2R2K1 w - -
+solution Rd7
+id "WAC.137"
+go
+setboard r1bq3r/ppppR1p1/5n1k/3P4/6pP/3Q4/PP1N1PP1/5K1R w - -
+solution h5
+id "WAC.138"
+go
+setboard rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - -
+solution Nf6+
+id "WAC.139"
+go
+setboard r2b1rk1/pq4p1/4ppQP/3pB1p1/3P4/2R5/PP3PP1/5RK1 w - -
+solution Rc7
+id "WAC.140"
+go
+setboard 4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - -
+solution Qxf4
+id "WAC.141"
+go
+setboard r2q3n/ppp2pk1/3p4/5Pr1/2NP1Qp1/2P2pP1/PP3K2/4R2R w - -
+solution Re8
+solution f6+
+id "WAC.142"
+go
+setboard 5b2/pp2r1pk/2pp1pRp/4rP1N/2P1P3/1P4QP/P3q1P1/5R1K w - -
+solution Rxh6+
+id "WAC.143"
+go
+setboard r2q1rk1/pp3ppp/2p2b2/8/B2pPPb1/7P/PPP1N1P1/R2Q1RK1 b - -
+solution d3
+id "WAC.144"
+go
+setboard r1bq4/1p4kp/3p1n2/p4pB1/2pQ4/8/1P4PP/4RRK1 w - -
+solution Re8
+id "WAC.145"
+go
+setboard 8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - -
+solution Bc8
+id "WAC.146"
+go
+setboard r2r2k1/ppqbppbp/2n2np1/2pp4/6P1/1P1PPNNP/PBP2PB1/R2QK2R b KQ -
+solution Nxg4
+id "WAC.147"
+go
+setboard 2r1k3/6pr/p1nBP3/1p3p1p/2q5/2P5/P1R4P/K2Q2R1 w - -
+solution Rxg7
+id "WAC.148"
+go
+setboard 6k1/6p1/2p4p/4Pp2/4b1qP/2Br4/1P2RQPK/8 b - -
+solution Bxg2
+id "WAC.149"
+go
+setboard r3r1k1/5p2/pQ1b2pB/1p6/4p3/6P1/Pq2BP1P/2R3K1 b - -
+solution Ba3
+solution Bf8
+solution e3
+id "WAC.150"
+go
+setboard 8/3b2kp/4p1p1/pr1n4/N1N4P/1P4P1/1K3P2/3R4 w - -
+solution Nc3
+id "WAC.151"
+go
+setboard 1br2rk1/1pqb1ppp/p3pn2/8/1P6/P1N1PN1P/1B3PP1/1QRR2K1 w - -
+solution Ne4
+id "WAC.152"
+go
+setboard 2r3k1/q4ppp/p3p3/pnNp4/2rP4/2P2P2/4R1PP/2R1Q1K1 b - -
+solution Nxd4
+id "WAC.153"
+go
+setboard r1b2rk1/2p2ppp/p7/1p6/3P3q/1BP3bP/PP3QP1/RNB1R1K1 w - -
+solution Qxf7+
+id "WAC.154"
+go
+setboard 5bk1/1rQ4p/5pp1/2pP4/3n1PP1/7P/1q3BB1/4R1K1 w - -
+solution d6
+id "WAC.155"
+go
+setboard r1b1qN1k/1pp3p1/p2p3n/4p1B1/8/1BP4Q/PP3KPP/8 w - -
+solution Qxh6+
+id "WAC.156"
+go
+setboard 5rk1/p4ppp/2p1b3/3Nq3/4P1n1/1p1B2QP/1PPr2P1/1K2R2R w - -
+solution Ne7+
+id "WAC.157"
+go
+setboard 5rk1/n1p1R1bp/p2p4/1qpP1QB1/7P/2P3P1/PP3P2/6K1 w - -
+solution Rxg7+
+id "WAC.158"
+go
+setboard r1b2r2/5P1p/ppn3pk/2p1p1Nq/1bP1PQ2/3P4/PB4BP/1R3RK1 w - -
+solution Ne6+
+id "WAC.159"
+go
+setboard qn1kr2r/1pRbb3/pP5p/P2pP1pP/3N1pQ1/3B4/3B1PP1/R5K1 w - -
+solution Qxd7+
+id "WAC.160"
+go
+setboard 3r3k/3r1P1p/pp1Nn3/2pp4/7Q/6R1/Pq4PP/5RK1 w - -
+solution Qxd8+
+id "WAC.161"
+go
+setboard r3kbnr/p4ppp/2p1p3/8/Q1B3b1/2N1B3/PP3PqP/R3K2R w KQkq -
+solution Bd5
+id "WAC.162"
+go
+setboard 5rk1/2p4p/2p4r/3P4/4p1b1/1Q2NqPp/PP3P1K/R4R2 b - -
+solution Qg2+
+id "WAC.163"
+go
+setboard 8/6pp/4p3/1p1n4/1NbkN1P1/P4P1P/1PR3K1/r7 w - -
+solution Rxc4+
+id "WAC.164"
+go
+setboard 1r5k/p1p3pp/8/8/4p3/P1P1R3/1P1Q1qr1/2KR4 w - -
+solution Re2
+id "WAC.165"
+go
+setboard r3r1k1/5pp1/p1p4p/2Pp4/8/q1NQP1BP/5PP1/4K2R b K -
+solution d4
+id "WAC.166"
+go
+setboard 7Q/ppp2q2/3p2k1/P2Ppr1N/1PP5/7R/5rP1/6K1 b - -
+solution Rxg2+
+id "WAC.167"
+go
+setboard r3k2r/pb1q1p2/8/2p1pP2/4p1p1/B1P1Q1P1/P1P3K1/R4R2 b kq -
+solution Qd2+
+id "WAC.168"
+go
+setboard 5rk1/1pp3bp/3p2p1/2PPp3/1P2P3/2Q1B3/4q1PP/R5K1 b - -
+solution Bh6
+id "WAC.169"
+go
+setboard 5r1k/6Rp/1p2p3/p2pBp2/1qnP4/4P3/Q4PPP/6K1 w - -
+solution Qxc4
+id "WAC.170"
+go
+setboard 2rq4/1b2b1kp/p3p1p1/1p1nNp2/7P/1B2B1Q1/PP3PP1/3R2K1 w - -
+solution Bh6+
+id "WAC.171"
+go
+setboard 5r1k/p5pp/8/1P1pq3/P1p2nR1/Q7/5BPP/6K1 b - -
+solution Qe1+
+id "WAC.172"
+go
+setboard 2r1b3/1pp1qrk1/p1n1P1p1/7R/2B1p3/4Q1P1/PP3PP1/3R2K1 w - -
+solution Qh6+
+id "WAC.173"
+go
+setboard 2r2rk1/6p1/p3pq1p/1p1b1p2/3P1n2/PP3N2/3N1PPP/1Q2RR1K b - -
+solution Nxg2
+id "WAC.174"
+go
+setboard r5k1/pppb3p/2np1n2/8/3PqNpP/3Q2P1/PPP5/R4RK1 w - -
+solution Nh5
+id "WAC.175"
+go
+setboard r1bq3r/ppp2pk1/3p1pp1/8/2BbPQ2/2NP2P1/PPP4P/R4R1K b - -
+solution Rxh2+
+id "WAC.176"
+go
+setboard r1b3r1/4qk2/1nn1p1p1/3pPp1P/p4P2/1p3BQN/PKPBN3/3R3R b - -
+solution Qa3+
+id "WAC.177"
+go
+setboard 3r2k1/p1rn1p1p/1p2pp2/6q1/3PQNP1/5P2/P1P4R/R5K1 w - -
+solution Nxe6
+id "WAC.178"
+go
+setboard r1b2r1k/pp4pp/3p4/3B4/8/1QN3Pn/PP3q1P/R3R2K b - -
+solution Qg1+
+id "WAC.179"
+go
+setboard r1q2rk1/p3bppb/3p1n1p/2nPp3/1p2P1P1/6NP/PP2QPB1/R1BNK2R b KQ -
+solution Nxd5
+id "WAC.180"
+go
+setboard r3k2r/2p2p2/p2p1n2/1p2p3/4P2p/1PPPPp1q/1P5P/R1N2QRK b kq -
+solution Ng4
+id "WAC.181"
+go
+setboard r1b2rk1/ppqn1p1p/2n1p1p1/2b3N1/2N5/PP1BP3/1B3PPP/R2QK2R w KQ -
+solution Qh5
+id "WAC.182"
+go
+setboard 1r2k1r1/5p2/b3p3/1p2b1B1/3p3P/3B4/PP2KP2/2R3R1 w - -
+solution Bf6
+id "WAC.183"
+go
+setboard 4kn2/r4p1r/p3bQ2/q1nNP1Np/1p5P/8/PPP3P1/2KR3R w - -
+solution Qe7+
+id "WAC.184"
+go
+setboard 1r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K w - -
+solution Qxh7+
+id "WAC.185"
+go
+setboard r5r1/p1q2p1k/1p1R2pB/3pP3/6bQ/2p5/P1P1NPPP/6K1 w - -
+solution Bf8+
+id "WAC.186"
+go
+setboard 6k1/5p2/p3p3/1p3qp1/2p1Qn2/2P1R3/PP1r1PPP/4R1K1 b - -
+solution Nh3+
+id "WAC.187"
+go
+setboard 3RNbk1/pp3p2/4rQpp/8/1qr5/7P/P4P2/3R2K1 w - -
+solution Qg7+
+id "WAC.188"
+go
+setboard 3r1k2/1ppPR1n1/p2p1rP1/3P3p/4Rp1N/5K2/P1P2P2/8 w - -
+solution Re8+
+id "WAC.189"
+go
+setboard 8/p2b2kp/1q1p2p1/1P1Pp3/4P3/3B2P1/P2Q3P/2Nn3K b - -
+solution Bh3
+id "WAC.190"
+go
+setboard 2r1Rn1k/1p1q2pp/p7/5p2/3P4/1B4P1/P1P1QP1P/6K1 w - -
+solution Qc4
+id "WAC.191"
+go
+setboard r3k3/ppp2Npp/4Bn2/2b5/1n1pp3/N4P2/PPP3qP/R2QKR2 b Qq -
+solution Nd3+
+id "WAC.192"
+go
+setboard 5bk1/p4ppp/Qp6/4B3/1P6/Pq2P1P1/2rr1P1P/R4RK1 b - -
+solution Qxe3
+id "WAC.193"
+go
+setboard 5rk1/ppq2ppp/2p5/4bN2/4P3/6Q1/PPP2PPP/3R2K1 w - -
+solution Nh6+
+id "WAC.194"
+go
+setboard 3r1rk1/1p3p2/p3pnnp/2p3p1/2P2q2/1P5P/PB2QPPN/3RR1K1 w - -
+solution g3
+id "WAC.195"
+go
+setboard rr4k1/p1pq2pp/Q1n1pn2/2bpp3/4P3/2PP1NN1/PP3PPP/R1B1K2R b KQ -
+solution Nb4
+id "WAC.196"
+go
+setboard 7k/1p4p1/7p/3P1n2/4Q3/2P2P2/PP3qRP/7K b - -
+solution Qf1+
+id "WAC.197"
+go
+setboard 2br2k1/ppp2p1p/4p1p1/4P2q/2P1Bn2/2Q5/PP3P1P/4R1RK b - -
+solution Rd3
+id "WAC.198"
+go
+setboard r1br2k1/pp2nppp/2n5/1B1q4/Q7/4BN2/PP3PPP/2R2RK1 w - -
+solution Bxc6
+solution Rfd1
+id "WAC.199"
+go
+setboard 2rqrn1k/pb4pp/1p2pp2/n2P4/2P3N1/P2B2Q1/1B3PPP/2R1R1K1 w - -
+solution Bxf6
+id "WAC.200"
+go
+setboard 2b2r1k/4q2p/3p2pQ/2pBp3/8/6P1/1PP2P1P/R5K1 w - -
+solution Ra7
+id "WAC.201"
+go
+setboard QR2rq1k/2p3p1/3p1pPp/8/4P3/8/P1r3PP/1R4K1 b - -
+solution Rxa2
+id "WAC.202"
+go
+setboard r4rk1/5ppp/p3q1n1/2p2NQ1/4n3/P3P3/1B3PPP/1R3RK1 w - -
+solution Qh6
+id "WAC.203"
+go
+setboard r1b1qrk1/1p3ppp/p1p5/3Nb3/5N2/P7/1P4PQ/K1R1R3 w - -
+solution Rxe5
+id "WAC.204"
+go
+setboard r3rnk1/1pq2bb1/p4p2/3p1Pp1/3B2P1/1NP4R/P1PQB3/2K4R w - -
+solution Qxg5
+id "WAC.205"
+go
+setboard 1Qq5/2P1p1kp/3r1pp1/8/8/7P/p4PP1/2R3K1 b - -
+solution Rc6
+id "WAC.206"
+go
+setboard r1bq2kr/p1pp1ppp/1pn1p3/4P3/2Pb2Q1/BR6/P4PPP/3K1BNR w - -
+solution Qxg7+
+id "WAC.207"
+go
+setboard 3r1bk1/ppq3pp/2p5/2P2Q1B/8/1P4P1/P6P/5RK1 w - -
+solution Bf7+
+id "WAC.208"
+go
+setboard 4kb1r/2q2p2/r2p4/pppBn1B1/P6P/6Q1/1PP5/2KRR3 w k -
+solution Rxe5+
+id "WAC.209"
+go
+setboard 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - -
+solution Rh1
+id "WAC.210"
+go
+setboard r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - -
+solution Qxf7+
+id "WAC.211"
+go
+setboard rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - -
+solution Qxg7+
+id "WAC.212"
+go
+setboard 3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - -
+solution Rxh7+
+id "WAC.213"
+go
+setboard r2r2k1/1p2qpp1/1np1p1p1/p3N3/2PPN3/bP5R/4QPPP/4R1K1 w - -
+solution Ng5
+id "WAC.214"
+go
+setboard 3r2k1/pb1q1pp1/1p2pb1p/8/3N4/P2QB3/1P3PPP/1Br1R1K1 w - -
+solution Qh7+
+id "WAC.215"
+go
+setboard r2qr1k1/1b1nbppp/p3pn2/1p1pN3/3P1B2/2PB1N2/PP2QPPP/R4RK1 w - -
+solution Nxf7
+id "WAC.216"
+go
+setboard r3kb1r/1pp3p1/p3bp1p/5q2/3QN3/1P6/PBP3P1/3RR1K1 w kq -
+solution Qd7+
+id "WAC.217"
+go
+setboard 6k1/pp5p/2p3q1/6BP/2nPr1Q1/8/PP3R1K/8 w - -
+solution Bh6
+id "WAC.218"
+go
+setboard 7k/p4q1p/1pb5/2p5/4B2Q/2P1B3/P6P/7K b - -
+solution Qf1+
+id "WAC.219"
+go
+setboard 3rr1k1/ppp2ppp/8/5Q2/4n3/1B5R/PPP1qPP1/5RK1 b - -
+solution Qxf1+
+id "WAC.220"
+go
+setboard r3k3/P5bp/2N1bp2/4p3/2p5/6NP/1PP2PP1/3R2K1 w q -
+solution Rd8+
+id "WAC.221"
+go
+setboard 2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - -
+solution Bf6
+id "WAC.222"
+go
+setboard r1bqk2r/pp3ppp/5n2/8/1b1npB2/2N5/PP1Q2PP/1K2RBNR w kq -
+solution Nxe4
+id "WAC.223"
+go
+setboard 5rk1/p1q3pp/1p1r4/2p1pp1Q/1PPn1P2/3B3P/P2R2P1/3R2K1 b - -
+solution Rh6
+solution e4
+id "WAC.224"
+go
+setboard 4R3/4q1kp/6p1/1Q3b2/1P1b1P2/6KP/8/8 b - -
+solution Qh4+
+id "WAC.225"
+go
+setboard 2b2rk1/p1p4p/2p1p1p1/br2N1Q1/1p2q3/8/PB3PPP/3R1RK1 w - -
+solution Nf7
+id "WAC.226"
+go
+setboard 2k1rb1r/ppp3pp/2np1q2/5b2/2B2P2/2P1BQ2/PP1N1P1P/2KR3R b - -
+solution d5
+id "WAC.227"
+go
+setboard r4rk1/1bq1bp1p/4p1p1/p2p4/3BnP2/1N1B3R/PPP3PP/R2Q2K1 w - -
+solution Bxe4
+id "WAC.228"
+go
+setboard 8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8 b - -
+solution Rxh4
+solution b4
+id "WAC.229"
+go
+setboard 2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - -
+solution Rb4
+id "WAC.230"
+go
+setboard r4rk1/1b1nqp1p/p5p1/1p2PQ2/2p5/5N2/PP3PPP/R1BR2K1 w - -
+solution Bg5
+id "WAC.231"
+go
+setboard 1R2rq1k/2p3p1/Q2p1pPp/8/4P3/8/P1r3PP/1R4K1 w - -
+solution Qb5
+solution Rxe8
+id "WAC.232"
+go
+setboard 5rk1/p1p2r1p/2pp2p1/4p3/PPPnP3/3Pq1P1/1Q1R1R1P/4NK2 b - -
+solution Nb3
+id "WAC.233"
+go
+setboard 2kr1r2/p6p/5Pp1/2p5/1qp2Q1P/7R/PP6/1KR5 w - -
+solution Rb3
+id "WAC.234"
+go
+setboard 5r2/1p1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - -
+solution Qxf7+
+solution Rxf7+
+id "WAC.235"
+go
+setboard 1R6/p5pk/4p2p/4P3/8/2r3qP/P3R1b1/4Q1K1 b - -
+solution Rc1
+id "WAC.236"
+go
+setboard r5k1/pQp2qpp/8/4pbN1/3P4/6P1/PPr4P/1K1R3R b - -
+solution Rc1+
+id "WAC.237"
+go
+setboard 1k1r4/pp1r1pp1/4n1p1/2R5/2Pp1qP1/3P2QP/P4PB1/1R4K1 w - -
+solution Bxb7
+id "WAC.238"
+go
+setboard 8/6k1/5pp1/Q6p/5P2/6PK/P4q1P/8 b - -
+solution Qf1+
+id "WAC.239"
+go
+setboard 2b4k/p1b2p2/2p2q2/3p1PNp/3P2R1/3B4/P1Q2PKP/4r3 w - -
+solution Qxc6
+id "WAC.240"
+go
+setboard 2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - -
+solution Qxh7+
+id "WAC.241"
+go
+setboard r1b1r1k1/pp1nqp2/2p1p1pp/8/4N3/P1Q1P3/1P3PPP/1BRR2K1 w - -
+solution Rxd7
+id "WAC.242"
+go
+setboard 1r3r1k/3p4/1p1Nn1R1/4Pp1q/pP3P1p/P7/5Q1P/6RK w - -
+solution Qe2
+id "WAC.243"
+go
+setboard r6r/pp3ppp/3k1b2/2pb4/B4Pq1/2P1Q3/P5PP/1RBR2K1 w - -
+solution Qxc5+
+id "WAC.244"
+go
+setboard 4rrn1/ppq3bk/3pPnpp/2p5/2PB4/2NQ1RPB/PP5P/5R1K w - -
+solution Qxg6+
+id "WAC.245"
+go
+setboard 6R1/4qp1p/ppr1n1pk/8/1P2P1QP/6N1/P4PP1/6K1 w - -
+solution Qh5+
+id "WAC.246"
+go
+setboard 2k1r3/1p2Bq2/p2Qp3/Pb1p1p1P/2pP1P2/2P5/2P2KP1/1R6 w - -
+solution Rxb5
+id "WAC.247"
+go
+setboard 5r1k/1p4pp/3q4/3Pp1R1/8/8/PP4PP/4Q1K1 b - -
+solution Qc5+
+id "WAC.248"
+go
+setboard r4rk1/pbq2pp1/1ppbpn1p/8/2PP4/1P1Q1N2/PBB2PPP/R3R1K1 w - -
+solution c5
+solution d5
+id "WAC.249"
+go
+setboard 1b5k/7P/p1p2np1/2P2p2/PP3P2/4RQ1R/q2r3P/6K1 w - -
+solution Re8+
+id "WAC.250"
+go
+setboard k7/p4p2/P1q1b1p1/3p3p/3Q4/7P/5PP1/1R4K1 w - -
+solution Qe5
+solution Qf4
+id "WAC.251"
+go
+setboard 1rb1r1k1/p1p2ppp/5n2/2pP4/5P2/2QB4/qNP3PP/2KRB2R b - -
+solution Re2
+id "WAC.252"
+go
+setboard k5r1/p4b2/2P5/5p2/3P1P2/4QBrq/P5P1/4R1K1 w - -
+solution Qe8+
+id "WAC.253"
+go
+setboard r6k/pp3p1p/2p1bp1q/b3p3/4Pnr1/2PP2NP/PP1Q1PPN/R2B2RK b - -
+solution Nxh3
+id "WAC.254"
+go
+setboard 3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -
+solution Rfxg6+
+id "WAC.255"
+go
+setboard 3r1rk1/1pb1qp1p/2p3p1/p7/P2Np2R/1P5P/1BP2PP1/3Q1BK1 w - -
+solution Nf5
+id "WAC.256"
+go
+setboard 4r1k1/pq3p1p/2p1r1p1/2Q1p3/3nN1P1/1P6/P1P2P1P/3RR1K1 w - -
+solution Rxd4
+id "WAC.257"
+go
+setboard r3brkn/1p5p/2p2Ppq/2Pp3B/3Pp2Q/4P1R1/6PP/5R1K w - -
+solution Bxg6
+id "WAC.258"
+go
+setboard r1bq1rk1/ppp2ppp/2np4/2bN1PN1/2B1P3/3p4/PPP2nPP/R1BQ1K1R w - -
+solution Qh5
+id "WAC.259"
+go
+setboard 2r2b1r/p1Nk2pp/3p1p2/N2Qn3/4P3/q6P/P4PP1/1R3K1R w - -
+solution Qe6+
+id "WAC.260"
+go
+setboard r5k1/1bp3pp/p2p4/1p6/5p2/1PBP1nqP/1PP3Q1/R4R1K b - -
+solution Nd4
+id "WAC.261"
+go
+setboard 6k1/p1B1b2p/2b3r1/2p5/4p3/1PP1N1Pq/P2R1P2/3Q2K1 b - -
+solution Rh6
+id "WAC.262"
+go
+setboard rnbqr2k/pppp1Qpp/8/b2NN3/2B1n3/8/PPPP1PPP/R1B1K2R w KQ -
+solution Qg8+
+id "WAC.263"
+go
+setboard r2r2k1/1R2qp2/p5pp/2P5/b1PN1b2/P7/1Q3PPP/1B1R2K1 b - -
+solution Rab8
+id "WAC.264"
+go
+setboard 2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k -
+solution exf6
+id "WAC.265"
+go
+setboard r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - -
+solution Rxh2+
+id "WAC.266"
+go
+setboard 2r1kb1r/pp3ppp/2n1b3/1q1N2B1/1P2Q3/8/P4PPP/3RK1NR w Kk -
+solution Nc7+
+id "WAC.267"
+go
+setboard 2r3kr/ppp2n1p/7B/5q1N/1bp5/2Pp4/PP2RPPP/R2Q2K1 w - -
+solution Re8+
+id "WAC.268"
+go
+setboard 2kr2nr/pp1n1ppp/2p1p3/q7/1b1P1B2/P1N2Q1P/1PP1BPP1/R3K2R w KQ -
+solution axb4
+id "WAC.269"
+go
+setboard 2r1r1k1/pp1q1ppp/3p1b2/3P4/3Q4/5N2/PP2RPPP/4R1K1 w - -
+solution Qg4
+id "WAC.270"
+go
+setboard 2kr4/ppp3Pp/4RP1B/2r5/5P2/1P6/P2p4/3K4 w - -
+solution Rd6
+id "WAC.271"
+go
+setboard nrq4r/2k1p3/1p1pPnp1/pRpP1p2/P1P2P2/2P1BB2/1R2Q1P1/6K1 w - -
+solution Bxc5
+id "WAC.272"
+go
+setboard 2k4B/bpp1qp2/p1b5/7p/1PN1n1p1/2Pr4/P5PP/R3QR1K b - -
+solution Ng3+
+id "WAC.273"
+go
+setboard 8/1p6/p5R1/k7/Prpp4/K7/1NP5/8 w - -
+solution Rb6
+id "WAC.274"
+go
+setboard r1b2rk1/1p1n1ppp/p1p2q2/4p3/P1B1Pn2/1QN2N2/1P3PPP/3R1RK1 b - -
+solution Nxg2
+solution b5
+id "WAC.275"
+go
+setboard r5k1/pp1RR1pp/1b6/6r1/2p5/B6P/P4qPK/3Q4 w - -
+solution Qd5+
+id "WAC.276"
+go
+setboard 1r4r1/p2kb2p/bq2p3/3p1p2/5P2/2BB3Q/PP4PP/3RKR2 b - -
+solution Rg3
+solution Rxg2
+id "WAC.277"
+go
+setboard r2qkb1r/pppb2pp/2np1n2/5pN1/2BQP3/2N5/PPP2PPP/R1B1K2R w KQkq -
+solution Bf7+
+id "WAC.278"
+go
+setboard r7/4b3/2p1r1k1/1p1pPp1q/1P1P1P1p/PR2NRpP/2Q3K1/8 w - -
+solution Nxf5
+id "WAC.279"
+go
+setboard r1r2bk1/5p1p/pn4p1/N2b4/3Pp3/B3P3/2q1BPPP/RQ3RK1 b - -
+solution Bxa3
+id "WAC.280"
+go
+setboard 2R5/2R4p/5p1k/6n1/8/1P2QPPq/r7/6K1 w - -
+solution Rxh7+
+id "WAC.281"
+go
+setboard 6k1/2p3p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - -
+solution Rh8+
+id "WAC.282"
+go
+setboard 3q1rk1/4bp1p/1n2P2Q/3p1p2/6r1/Pp2R2N/1B4PP/7K w - -
+solution Ng5
+id "WAC.283"
+go
+setboard 3r3k/pp4pp/8/1P6/3N4/Pn2P1qb/1B1Q2B1/2R3K1 w - -
+solution Nf5
+id "WAC.284"
+go
+setboard 2rr3k/1b2bppP/p2p1n2/R7/3P4/1qB2P2/1P4Q1/1K5R w - -
+solution Qxg7+
+id "WAC.285"
+go
+setboard 3r1k2/1p6/p4P2/2pP2Qb/8/1P1KB3/P6r/8 b - -
+solution Rxd5+
+id "WAC.286"
+go
+setboard rn3k1r/pp2bBpp/2p2n2/q5N1/3P4/1P6/P1P3PP/R1BQ1RK1 w - -
+solution Qh5
+id "WAC.287"
+go
+setboard r1b2rk1/p4ppp/1p1Qp3/4P2N/1P6/8/P3qPPP/3R1RK1 w - -
+solution Nf6+
+id "WAC.288"
+go
+setboard 2r3k1/5p1p/p3q1p1/2n3P1/1p1QP2P/1P4N1/PK6/2R5 b - -
+solution Qe5
+id "WAC.289"
+go
+setboard 2k2r2/2p5/1pq5/p1p1n3/P1P2n1B/1R4Pp/2QR4/6K1 b - -
+solution Ne2+
+id "WAC.290"
+go
+setboard 5r1k/3b2p1/p6p/1pRpR3/1P1P2q1/P4pP1/5QnP/1B4K1 w - -
+solution h3
+id "WAC.291"
+go
+setboard 4r3/1Q1qk2p/p4pp1/3Pb3/P7/6PP/5P2/4R1K1 w - -
+solution d6+
+id "WAC.292"
+go
+setboard 1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - -
+solution Nfg5
+id "WAC.293"
+go
+setboard 3r3k/1r3p1p/p1pB1p2/8/p1qNP1Q1/P6P/1P4P1/3R3K w - -
+solution Bf8
+solution Nf5
+solution Qf4
+id "WAC.294"
+go
+setboard 4r3/p4r1p/R1p2pp1/1p1bk3/4pNPP/2P1K3/2P2P2/3R4 w - -
+solution Rxd5+
+id "WAC.295"
+go
+setboard 3r4/1p2k2p/p1b1p1p1/4Q1Pn/2B3KP/4pP2/PP2R1N1/6q1 b - -
+solution Rd4+
+solution Rf8
+id "WAC.296"
+go
+setboard 3r1rk1/p3qp1p/2bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - -
+solution Bxg2
+solution Bxh2+
+id "WAC.297"
+go
+setboard 3Q4/p3b1k1/2p2rPp/2q5/4B3/P2P4/7P/6RK w - -
+solution Qh8+
+id "WAC.298"
+go
+setboard 1n2rr2/1pk3pp/pNn2p2/2N1p3/8/6P1/PP2PPKP/2RR4 w - -
+solution Nca4
+id "WAC.299"
+go
+setboard b2b1r1k/3R1ppp/4qP2/4p1PQ/4P3/5B2/4N1K1/8 w - -
+solution g6
+id "WAC.300"
+go
+version
+quit
projects / typhoon.git / commitdiff