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) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+ Copyright (C) 2015-2020 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
#include <algorithm>
#include "types.h"
-
-Value PieceValue[PHASE_NB][PIECE_NB] = {
- { VALUE_ZERO, PawnValueMg, KnightValueMg, BishopValueMg, RookValueMg, QueenValueMg },
- { VALUE_ZERO, PawnValueEg, KnightValueEg, BishopValueEg, RookValueEg, QueenValueEg }
-};
+#include "bitboard.h"
namespace PSQT {
{ },
{ },
{ // Knight
- { S(-169,-105), S(-96,-74), S(-80,-46), S(-79,-18) },
- { S( -79, -70), S(-39,-56), S(-24,-15), S( -9, 6) },
- { S( -64, -38), S(-20,-33), S( 4, -5), S( 19, 27) },
- { S( -28, -36), S( 5, 0), S( 41, 13), S( 47, 34) },
- { S( -29, -41), S( 13,-20), S( 42, 4), S( 52, 35) },
- { S( -11, -51), S( 28,-38), S( 63,-17), S( 55, 19) },
- { S( -67, -64), S(-21,-45), S( 6,-37), S( 37, 16) },
- { S(-200, -98), S(-80,-89), S(-53,-53), S(-32,-16) }
+ { S(-175, -96), S(-92,-65), S(-74,-49), S(-73,-21) },
+ { S( -77, -67), S(-41,-54), S(-27,-18), S(-15, 8) },
+ { S( -61, -40), S(-17,-27), S( 6, -8), S( 12, 29) },
+ { S( -35, -35), S( 8, -2), S( 40, 13), S( 49, 28) },
+ { S( -34, -45), S( 13,-16), S( 44, 9), S( 51, 39) },
+ { S( -9, -51), S( 22,-44), S( 58,-16), S( 53, 17) },
+ { S( -67, -69), S(-27,-50), S( 4,-51), S( 37, 12) },
+ { S(-201,-100), S(-83,-88), S(-56,-56), S(-26,-17) }
},
{ // Bishop
- { S(-44,-63), S( -4,-30), S(-11,-35), S(-28, -8) },
- { S(-18,-38), S( 7,-13), S( 14,-14), S( 3, 0) },
- { S( -8,-18), S( 24, 0), S( -3, -7), S( 15, 13) },
- { S( 1,-26), S( 8, -3), S( 26, 1), S( 37, 16) },
- { S( -7,-24), S( 30, -6), S( 23,-10), S( 28, 17) },
- { S(-17,-26), S( 4, 2), S( -1, 1), S( 8, 16) },
- { S(-21,-34), S(-19,-18), S( 10, -7), S( -6, 9) },
- { S(-48,-51), S( -3,-40), S(-12,-39), S(-25,-20) }
+ { S(-53,-57), S( -5,-30), S( -8,-37), S(-23,-12) },
+ { S(-15,-37), S( 8,-13), S( 19,-17), S( 4, 1) },
+ { S( -7,-16), S( 21, -1), S( -5, -2), S( 17, 10) },
+ { S( -5,-20), S( 11, -6), S( 25, 0), S( 39, 17) },
+ { S(-12,-17), S( 29, -1), S( 22,-14), S( 31, 15) },
+ { S(-16,-30), S( 6, 6), S( 1, 4), S( 11, 6) },
+ { S(-17,-31), S(-14,-20), S( 5, -1), S( 0, 1) },
+ { S(-48,-46), S( 1,-42), S(-14,-37), S(-23,-24) }
},
{ // Rook
- { S(-24, -2), S(-13,-6), S(-7, -3), S( 2,-2) },
- { S(-18,-10), S(-10,-7), S(-5, 1), S( 9, 0) },
- { S(-21, 10), S( -7,-4), S( 3, 2), S(-1,-2) },
- { S(-13, -5), S( -5, 2), S(-4, -8), S(-6, 8) },
- { S(-24, -8), S(-12, 5), S(-1, 4), S( 6,-9) },
- { S(-24, 3), S( -4,-2), S( 4,-10), S(10, 7) },
- { S( -8, 1), S( 6, 2), S(10, 17), S(12,-8) },
- { S(-22, 12), S(-24,-6), S(-6, 13), S( 4, 7) }
+ { S(-31, -9), S(-20,-13), S(-14,-10), S(-5, -9) },
+ { S(-21,-12), S(-13, -9), S( -8, -1), S( 6, -2) },
+ { S(-25, 6), S(-11, -8), S( -1, -2), S( 3, -6) },
+ { S(-13, -6), S( -5, 1), S( -4, -9), S(-6, 7) },
+ { S(-27, -5), S(-15, 8), S( -4, 7), S( 3, -6) },
+ { S(-22, 6), S( -2, 1), S( 6, -7), S(12, 10) },
+ { S( -2, 4), S( 12, 5), S( 16, 20), S(18, -5) },
+ { S(-17, 18), S(-19, 0), S( -1, 19), S( 9, 13) }
},
{ // Queen
{ S( 3,-69), S(-5,-57), S(-5,-47), S( 4,-26) },
{ S(-2,-75), S(-2,-52), S( 1,-43), S(-2,-36) }
},
{ // King
- { S(272, 0), S(325, 41), S(273, 80), S(190, 93) },
- { S(277, 57), S(305, 98), S(241,138), S(183,131) },
- { S(198, 86), S(253,138), S(168,165), S(120,173) },
- { S(169,103), S(191,152), S(136,168), S(108,169) },
- { S(145, 98), S(176,166), S(112,197), S( 69,194) },
- { S(122, 87), S(159,164), S( 85,174), S( 36,189) },
- { S( 87, 40), S(120, 99), S( 64,128), S( 25,141) },
- { S( 64, 5), S( 87, 60), S( 49, 75), S( 0, 75) }
+ { S(271, 1), S(327, 45), S(271, 85), S(198, 76) },
+ { S(278, 53), S(303,100), S(234,133), S(179,135) },
+ { S(195, 88), S(258,130), S(169,169), S(120,175) },
+ { S(164,103), S(190,156), S(138,172), S( 98,172) },
+ { S(154, 96), S(179,166), S(105,199), S( 70,199) },
+ { S(123, 92), S(145,172), S( 81,184), S( 31,191) },
+ { S( 88, 47), S(120,121), S( 65,116), S( 33,131) },
+ { S( 59, 11), S( 89, 59), S( 45, 73), S( -1, 78) }
}
};
for (Piece pc = W_PAWN; pc <= W_KING; ++pc)
{
- PieceValue[MG][~pc] = PieceValue[MG][pc];
- PieceValue[EG][~pc] = PieceValue[EG][pc];
-
Score score = make_score(PieceValue[MG][pc], PieceValue[EG][pc]);
for (Square s = SQ_A1; s <= SQ_H8; ++s)
{
- File f = map_to_queenside(file_of(s));
+ File f = File(edge_distance(file_of(s)));
psq[ pc][ s] = score + (type_of(pc) == PAWN ? PBonus[rank_of(s)][file_of(s)]
: Bonus[pc][rank_of(s)][f]);
- psq[~pc][~s] = -psq[pc][s];
+ psq[~pc][flip_rank(s)] = -psq[pc][s];
}
}
}