Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
- Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+ Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
CASTLING_RIGHT_NB = 16
};
-template<Color C, CastlingSide S> struct MakeCastling {
- static constexpr CastlingRight
- right = C == WHITE ? S == QUEEN_SIDE ? WHITE_OOO : WHITE_OO
- : S == QUEEN_SIDE ? BLACK_OOO : BLACK_OO;
-};
-
enum Phase {
PHASE_ENDGAME,
PHASE_MIDGAME = 128,
VALUE_MATE_IN_MAX_PLY = VALUE_MATE - 2 * MAX_PLY,
VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY,
- PawnValueMg = 171, PawnValueEg = 240,
- KnightValueMg = 764, KnightValueEg = 848,
- BishopValueMg = 826, BishopValueEg = 891,
- RookValueMg = 1282, RookValueEg = 1373,
- QueenValueMg = 2500, QueenValueEg = 2670,
+ PawnValueMg = 136, PawnValueEg = 208,
+ KnightValueMg = 782, KnightValueEg = 865,
+ BishopValueMg = 830, BishopValueEg = 918,
+ RookValueMg = 1289, RookValueEg = 1378,
+ QueenValueMg = 2529, QueenValueEg = 2687,
MidgameLimit = 15258, EndgameLimit = 3915
};
return relative_rank(c, rank_of(s));
}
-inline bool opposite_colors(Square s1, Square s2) {
- int s = int(s1) ^ int(s2);
- return ((s >> 3) ^ s) & 1;
-}
-
constexpr Direction pawn_push(Color c) {
return c == WHITE ? NORTH : SOUTH;
}