/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, 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 "types.h"
-namespace {
+#define S(mg, eg) make_score(mg, eg)
-////
-//// Constants modified by Joona Kiiski
-////
-const Value MP = PawnValueMidgame;
-const Value MK = KnightValueMidgame;
-const Value MB = BishopValueMidgame;
-const Value MR = RookValueMidgame;
-const Value MQ = QueenValueMidgame;
+/// PSQT[PieceType][Square] contains Piece-Square scores. For each piece type on
+/// a given square a (midgame, endgame) score pair is assigned. PSQT is defined
+/// for white side, for black side the tables are symmetric.
-const Value EP = PawnValueEndgame;
-const Value EK = KnightValueEndgame;
-const Value EB = BishopValueEndgame;
-const Value ER = RookValueEndgame;
-const Value EQ = QueenValueEndgame;
-
-const int MgPST[][64] = {
- { },
- {// Pawn
- // A B C D E F G H
- 0, 0, 0, 0, 0, 0, 0, 0,
- MP-28, MP-6, MP+ 4, MP+14, MP+14, MP+ 4, MP-6, MP-28,
- MP-28, MP-6, MP+ 9, MP+36, MP+36, MP+ 9, MP-6, MP-28,
- MP-28, MP-6, MP+17, MP+58, MP+58, MP+17, MP-6, MP-28,
- MP-28, MP-6, MP+17, MP+36, MP+36, MP+17, MP-6, MP-28,
- MP-28, MP-6, MP+ 9, MP+14, MP+14, MP+ 9, MP-6, MP-28,
- MP-28, MP-6, MP+ 4, MP+14, MP+14, MP+ 4, MP-6, MP-28,
- 0, 0, 0, 0, 0, 0, 0, 0
- },
- {// Knight
- // A B C D E F G H
- MK-135, MK-107, MK-80, MK-67, MK-67, MK-80, MK-107, MK-135,
- MK- 93, MK- 67, MK-39, MK-25, MK-25, MK-39, MK- 67, MK- 93,
- MK- 53, MK- 25, MK+ 1, MK+13, MK+13, MK+ 1, MK- 25, MK- 53,
- MK- 25, MK+ 1, MK+27, MK+41, MK+41, MK+27, MK+ 1, MK- 25,
- MK- 11, MK+ 13, MK+41, MK+55, MK+55, MK+41, MK+ 13, MK- 11,
- MK- 11, MK+ 13, MK+41, MK+55, MK+55, MK+41, MK+ 13, MK- 11,
- MK- 53, MK- 25, MK+ 1, MK+13, MK+13, MK+ 1, MK- 25, MK- 53,
- MK-193, MK- 67, MK-39, MK-25, MK-25, MK-39, MK- 67, MK-193
- },
- {// Bishop
- // A B C D E F G H
- MB-40, MB-40, MB-35, MB-30, MB-30, MB-35, MB-40, MB-40,
- MB-17, MB+ 0, MB- 4, MB+ 0, MB+ 0, MB- 4, MB+ 0, MB-17,
- MB-13, MB- 4, MB+ 8, MB+ 4, MB+ 4, MB+ 8, MB- 4, MB-13,
- MB- 8, MB+ 0, MB+ 4, MB+17, MB+17, MB+ 4, MB+ 0, MB- 8,
- MB- 8, MB+ 0, MB+ 4, MB+17, MB+17, MB+ 4, MB+ 0, MB- 8,
- MB-13, MB- 4, MB+ 8, MB+ 4, MB+ 4, MB+ 8, MB- 4, MB-13,
- MB-17, MB+ 0, MB- 4, MB+ 0, MB+ 0, MB- 4, MB+ 0, MB-17,
- MB-17, MB-17, MB-13, MB- 8, MB- 8, MB-13, MB-17, MB-17
- },
- {// Rook
- // A B C D E F G H
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12,
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12,
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12,
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12,
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12,
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12,
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12,
- MR-12, MR-7, MR-2, MR+2, MR+2, MR-2, MR-7, MR-12
- },
- {// Queen
- // A B C D E F G H
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8,
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8,
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8,
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8,
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8,
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8,
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8,
- MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8, MQ+8
- },
- {// King
- //A B C D E F G H
- 287, 311, 262, 214, 214, 262, 311, 287,
- 262, 287, 238, 190, 190, 238, 287, 262,
- 214, 238, 190, 142, 142, 190, 238, 214,
- 190, 214, 167, 119, 119, 167, 214, 190,
- 167, 190, 142, 94, 94, 142, 190, 167,
- 142, 167, 119, 69, 69, 119, 167, 142,
- 119, 142, 94, 46, 46, 94, 142, 119,
- 94, 119, 69, 21, 21, 69, 119, 94
- }
-};
-
-const int EgPST[][64] = {
+static const Score PSQT[][SQUARE_NB] = {
{ },
- {// Pawn
- // A B C D E F G H
- 0, 0, 0, 0, 0, 0, 0, 0,
- EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8,
- EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8,
- EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8,
- EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8,
- EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8,
- EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8, EP-8,
- 0, 0, 0, 0, 0, 0, 0, 0
+ { // Pawn
+ S( 0, 0), S( 0, 0), S( 0, 0), S( 0, 0), S(0, 0), S( 0, 0), S( 0, 0), S( 0, 0),
+ S(-28,-8), S(-6,-8), S( 4,-8), S(14,-8), S(14,-8), S( 4,-8), S(-6,-8), S(-28,-8),
+ S(-28,-8), S(-6,-8), S( 9,-8), S(36,-8), S(36,-8), S( 9,-8), S(-6,-8), S(-28,-8),
+ S(-28,-8), S(-6,-8), S(17,-8), S(58,-8), S(58,-8), S(17,-8), S(-6,-8), S(-28,-8),
+ S(-28,-8), S(-6,-8), S(17,-8), S(36,-8), S(36,-8), S(17,-8), S(-6,-8), S(-28,-8),
+ S(-28,-8), S(-6,-8), S( 9,-8), S(14,-8), S(14,-8), S( 9,-8), S(-6,-8), S(-28,-8),
+ S(-28,-8), S(-6,-8), S( 4,-8), S(14,-8), S(14,-8), S( 4,-8), S(-6,-8), S(-28,-8),
+ S( 0, 0), S( 0, 0), S( 0, 0), S( 0, 0), S(0, 0), S( 0, 0), S( 0, 0), S( 0, 0)
},
- {// Knight
- // A B C D E F G H
- EK-104, EK-79, EK-55, EK-42, EK-42, EK-55, EK-79, EK-104,
- EK- 79, EK-55, EK-30, EK-17, EK-17, EK-30, EK-55, EK- 79,
- EK- 55, EK-30, EK- 6, EK+ 5, EK+ 5, EK- 6, EK-30, EK- 55,
- EK- 42, EK-17, EK+ 5, EK+18, EK+18, EK+ 5, EK-17, EK- 42,
- EK- 42, EK-17, EK+ 5, EK+18, EK+18, EK+ 5, EK-17, EK- 42,
- EK- 55, EK-30, EK- 6, EK+ 5, EK+ 5, EK- 6, EK-30, EK- 55,
- EK- 79, EK-55, EK-30, EK-17, EK-17, EK-30, EK-55, EK- 79,
- EK-104, EK-79, EK-55, EK-42, EK-42, EK-55, EK-79, EK-104
+ { // Knight
+ S(-135,-104), S(-107,-79), S(-80,-55), S(-67,-42), S(-67,-42), S(-80,-55), S(-107,-79), S(-135,-104),
+ S( -93, -79), S( -67,-55), S(-39,-30), S(-25,-17), S(-25,-17), S(-39,-30), S( -67,-55), S( -93, -79),
+ S( -53, -55), S( -25,-30), S( 1, -6), S( 13, 5), S( 13, 5), S( 1, -6), S( -25,-30), S( -53, -55),
+ S( -25, -42), S( 1,-17), S( 27, 5), S( 41, 18), S( 41, 18), S( 27, 5), S( 1,-17), S( -25, -42),
+ S( -11, -42), S( 13,-17), S( 41, 5), S( 55, 18), S( 55, 18), S( 41, 5), S( 13,-17), S( -11, -42),
+ S( -11, -55), S( 13,-30), S( 41, -6), S( 55, 5), S( 55, 5), S( 41, -6), S( 13,-30), S( -11, -55),
+ S( -53, -79), S( -25,-55), S( 1,-30), S( 13,-17), S( 13,-17), S( 1,-30), S( -25,-55), S( -53, -79),
+ S(-193,-104), S( -67,-79), S(-39,-55), S(-25,-42), S(-25,-42), S(-39,-55), S( -67,-79), S(-193,-104)
},
- {// Bishop
- // A B C D E F G H
- EB-59, EB-42, EB-35, EB-26, EB-26, EB-35, EB-42, EB-59,
- EB-42, EB-26, EB-18, EB-11, EB-11, EB-18, EB-26, EB-42,
- EB-35, EB-18, EB-11, EB- 4, EB- 4, EB-11, EB-18, EB-35,
- EB-26, EB-11, EB- 4, EB+ 4, EB+ 4, EB- 4, EB-11, EB-26,
- EB-26, EB-11, EB- 4, EB+ 4, EB+ 4, EB- 4, EB-11, EB-26,
- EB-35, EB-18, EB-11, EB- 4, EB- 4, EB-11, EB-18, EB-35,
- EB-42, EB-26, EB-18, EB-11, EB-11, EB-18, EB-26, EB-42,
- EB-59, EB-42, EB-35, EB-26, EB-26, EB-35, EB-42, EB-59
+ { // Bishop
+ S(-40,-59), S(-40,-42), S(-35,-35), S(-30,-26), S(-30,-26), S(-35,-35), S(-40,-42), S(-40,-59),
+ S(-17,-42), S( 0,-26), S( -4,-18), S( 0,-11), S( 0,-11), S( -4,-18), S( 0,-26), S(-17,-42),
+ S(-13,-35), S( -4,-18), S( 8,-11), S( 4, -4), S( 4, -4), S( 8,-11), S( -4,-18), S(-13,-35),
+ S( -8,-26), S( 0,-11), S( 4, -4), S( 17, 4), S( 17, 4), S( 4, -4), S( 0,-11), S( -8,-26),
+ S( -8,-26), S( 0,-11), S( 4, -4), S( 17, 4), S( 17, 4), S( 4, -4), S( 0,-11), S( -8,-26),
+ S(-13,-35), S( -4,-18), S( 8,-11), S( 4, -4), S( 4, -4), S( 8,-11), S( -4,-18), S(-13,-35),
+ S(-17,-42), S( 0,-26), S( -4,-18), S( 0,-11), S( 0,-11), S( -4,-18), S( 0,-26), S(-17,-42),
+ S(-17,-59), S(-17,-42), S(-13,-35), S( -8,-26), S( -8,-26), S(-13,-35), S(-17,-42), S(-17,-59)
},
- {// Rook
- // A B C D E F G H
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3,
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3,
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3,
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3,
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3,
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3,
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3,
- ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3, ER+3
+ { // Rook
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3),
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3),
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3),
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3),
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3),
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3),
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3),
+ S(-12, 3), S(-7, 3), S(-2, 3), S(2, 3), S(2, 3), S(-2, 3), S(-7, 3), S(-12, 3)
},
- {// Queen
- // A B C D E F G H
- EQ-80, EQ-54, EQ-42, EQ-30, EQ-30, EQ-42, EQ-54, EQ-80,
- EQ-54, EQ-30, EQ-18, EQ- 6, EQ- 6, EQ-18, EQ-30, EQ-54,
- EQ-42, EQ-18, EQ- 6, EQ+ 6, EQ+ 6, EQ- 6, EQ-18, EQ-42,
- EQ-30, EQ- 6, EQ+ 6, EQ+18, EQ+18, EQ+ 6, EQ- 6, EQ-30,
- EQ-30, EQ- 6, EQ+ 6, EQ+18, EQ+18, EQ+ 6, EQ- 6, EQ-30,
- EQ-42, EQ-18, EQ- 6, EQ+ 6, EQ+ 6, EQ- 6, EQ-18, EQ-42,
- EQ-54, EQ-30, EQ-18, EQ- 6, EQ- 6, EQ-18, EQ-30, EQ-54,
- EQ-80, EQ-54, EQ-42, EQ-30, EQ-30, EQ-42, EQ-54, EQ-80
+ { // Queen
+ S(8,-80), S(8,-54), S(8,-42), S(8,-30), S(8,-30), S(8,-42), S(8,-54), S(8,-80),
+ S(8,-54), S(8,-30), S(8,-18), S(8, -6), S(8, -6), S(8,-18), S(8,-30), S(8,-54),
+ S(8,-42), S(8,-18), S(8, -6), S(8, 6), S(8, 6), S(8, -6), S(8,-18), S(8,-42),
+ S(8,-30), S(8, -6), S(8, 6), S(8, 18), S(8, 18), S(8, 6), S(8, -6), S(8,-30),
+ S(8,-30), S(8, -6), S(8, 6), S(8, 18), S(8, 18), S(8, 6), S(8, -6), S(8,-30),
+ S(8,-42), S(8,-18), S(8, -6), S(8, 6), S(8, 6), S(8, -6), S(8,-18), S(8,-42),
+ S(8,-54), S(8,-30), S(8,-18), S(8, -6), S(8, -6), S(8,-18), S(8,-30), S(8,-54),
+ S(8,-80), S(8,-54), S(8,-42), S(8,-30), S(8,-30), S(8,-42), S(8,-54), S(8,-80)
},
- {// King
- //A B C D E F G H
- 18, 77, 105, 135, 135, 105, 77, 18,
- 77, 135, 165, 193, 193, 165, 135, 77,
- 105, 165, 193, 222, 222, 193, 165, 105,
- 135, 193, 222, 251, 251, 222, 193, 135,
- 135, 193, 222, 251, 251, 222, 193, 135,
- 105, 165, 193, 222, 222, 193, 165, 105,
- 77, 135, 165, 193, 193, 165, 135, 77,
- 18, 77, 105, 135, 135, 105, 77, 18
+ { // King
+ S(287, 18), S(311, 77), S(262,105), S(214,135), S(214,135), S(262,105), S(311, 77), S(287, 18),
+ S(262, 77), S(287,135), S(238,165), S(190,193), S(190,193), S(238,165), S(287,135), S(262, 77),
+ S(214,105), S(238,165), S(190,193), S(142,222), S(142,222), S(190,193), S(238,165), S(214,105),
+ S(190,135), S(214,193), S(167,222), S(119,251), S(119,251), S(167,222), S(214,193), S(190,135),
+ S(167,135), S(190,193), S(142,222), S( 94,251), S( 94,251), S(142,222), S(190,193), S(167,135),
+ S(142,105), S(167,165), S(119,193), S( 69,222), S( 69,222), S(119,193), S(167,165), S(142,105),
+ S(119, 77), S(142,135), S( 94,165), S( 46,193), S( 46,193), S( 94,165), S(142,135), S(119, 77),
+ S(94, 18), S(119, 77), S( 69,105), S( 21,135), S( 21,135), S( 69,105), S(119, 77), S( 94, 18)
}
};
-} // namespace
+#undef S
#endif // !defined(PSQTAB_H_INCLUDED)
projects / stockfish / blobdiff