/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ Copyright (C) 2008-2009 Marco Costalba
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
SearchStack *parentSstack;
int ply;
Depth depth;
- volatile Value alpha, beta, bestValue;
+ volatile Value alpha, beta, bestValue, futilityValue;
+ Value approximateEval;
bool pvNode;
Bitboard dcCandidates;
int master, slaves[THREAD_MAX];
SplitPoint *splitPoint;
int activeSplitPoints;
uint64_t nodes;
+ uint64_t betaCutOffs[2];
bool failHighPly1;
volatile bool stop;
volatile bool running;
volatile bool idle;
volatile bool workIsWaiting;
volatile bool printCurrentLine;
- unsigned char pad[64];
+ unsigned char pad[64]; // set some distance among local data for each thread
};