/*
- Glaurung, a UCI chess playing engine.
- Copyright (C) 2004-2008 Tord Romstad
+ Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+ Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+ Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
- Glaurung is free software: you can redistribute it and/or modify
+ Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
-
- Glaurung is distributed in the hope that it will be useful,
+
+ Stockfish 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 General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
-#if !defined(PSQTAB_H_INCLUDED)
+#ifndef PSQTAB_H_INCLUDED
#define PSQTAB_H_INCLUDED
-////
-//// Includes
-////
-
-#include "position.h"
-#include "value.h"
+#include "types.h"
+#define S(mg, eg) make_score(mg, eg)
-////
-//// Variables
-////
-
-static const Value MP = PawnValueMidgame;
-static const Value MK = KnightValueMidgame;
-static const Value MB = BishopValueMidgame;
-static const Value MR = RookValueMidgame;
-static const Value MQ = QueenValueMidgame;
-
-static const int MgPST[][64] = {
- { },
- {// Pawn
- // A B C D E F G H
- 0, 0, 0, 0, 0, 0, 0, 0,
- MP-38, MP-12, MP- 0, MP+12, MP+12, MP- 0, MP-12, MP-38,
- MP-38, MP-12, MP+ 6, MP+38, MP+38, MP+ 6, MP-12, MP-38,
- MP-38, MP-12, MP+16, MP+64, MP+64, MP+16, MP-12, MP-38,
- MP-38, MP-12, MP+16, MP+38, MP+38, MP+16, MP-12, MP-38,
- MP-38, MP-12, MP+ 6, MP+12, MP+12, MP+ 6, MP-12, MP-38,
- MP-38, MP-12, MP- 0, MP+12, MP+12, MP- 0, MP-12, MP-38,
- 0, 0, 0, 0, 0, 0, 0, 0
- },
- {// Knight
- // A B C D E F G H
- MK-128, MK-102, MK-76, MK-64, MK-64, MK-76, MK-102, MK-128,
- MK- 89, MK- 64, MK-38, MK-25, MK-25, MK-38, MK- 64, MK- 89,
- MK- 51, MK- 25, MK- 0, MK+12, MK+12, MK- 0, MK- 25, MK- 51,
- MK- 25, MK- 0, MK+25, MK+38, MK+38, MK+25, MK- 0, MK- 25,
- MK- 12, MK+ 12, MK+38, MK+51, MK+51, MK+38, MK+ 12, MK- 12,
- MK- 12, MK+ 12, MK+38, MK+51, MK+51, MK+38, MK+ 12, MK- 12,
- MK- 51, MK- 25, MK- 0, MK+12, MK+12, MK- 0, MK- 25, MK- 51,
- MK-182, MK- 64, MK-38, MK-25, MK-25, MK-38, MK- 64, MK-182
- },
- {// Bishop
- // A B C D E F G H
- MB-46, MB-46, MB-40, MB-35, MB-35, MB-40, MB-46, MB-46,
- MB-20, MB- 0, MB- 5, MB- 0, MB- 0, MB- 5, MB- 0, MB-20,
- MB-15, MB- 5, MB+10, MB+ 5, MB+ 5, MB+10, MB- 5, MB-15,
- MB-10, MB- 0, MB+ 5, MB+20, MB+20, MB+ 5, MB- 0, MB-10,
- MB-10, MB- 0, MB+ 5, MB+20, MB+20, MB+ 5, MB- 0, MB-10,
- MB-15, MB- 5, MB+10, MB+ 5, MB+ 5, MB+10, MB- 5, MB-15,
- MB-20, MB- 0, MB- 5, MB- 0, MB- 0, MB- 5, MB- 0, MB-20,
- MB-20, MB-20, MB-15, MB-10, MB-10, MB-15, MB-20, MB-20
- },
- {// Rook
- // A B C D E F G H
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
- MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18
- },
- {// Queen
- //A B C D E F G H
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
- MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ
- },
- {// King
- //A B C D E F G H
- 302, 328, 276, 225, 225, 276, 328, 302,
- 276, 302, 251, 200, 200, 251, 302, 276,
- 225, 251, 200, 149, 149, 200, 251, 225,
- 200, 225, 175, 124, 124, 175, 225, 200,
- 175, 200, 149, 98, 98, 149, 200, 175,
- 149, 175, 124, 72, 72, 124, 175, 149,
- 124, 149, 98, 47, 47, 98, 149, 124,
- 98, 124, 72, 21, 21, 72, 124, 98
- }
-};
-static const Value EP = PawnValueEndgame;
-static const Value EK = KnightValueEndgame;
-static const Value EB = BishopValueEndgame;
-static const Value ER = RookValueEndgame;
-static const Value EQ = QueenValueEndgame;
+/// PSQT[PieceType][Square] contains Piece-Square scores. For each piece type on
+/// a given square a (middlegame, endgame) score pair is assigned. PSQT is defined
+/// for the white side and the tables are symmetric for the black side.
-static 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, EP, EP, EP, EP, EP, EP, EP,
- EP, EP, EP, EP, EP, EP, EP, EP,
- EP, EP, EP, EP, EP, EP, EP, EP,
- EP, EP, EP, EP, EP, EP, EP, EP,
- EP, EP, EP, EP, EP, EP, EP, EP,
- EP, EP, EP, EP, EP, EP, EP, EP,
- 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(-20, 0), S( 0, 0), S( 0, 0), S( 0, 0), S(0, 0), S( 0, 0), S( 0, 0), S(-20, 0),
+ S(-20, 0), S( 0, 0), S(10, 0), S(20, 0), S(20, 0), S(10, 0), S( 0, 0), S(-20, 0),
+ S(-20, 0), S( 0, 0), S(20, 0), S(40, 0), S(40, 0), S(20, 0), S( 0, 0), S(-20, 0),
+ S(-20, 0), S( 0, 0), S(10, 0), S(20, 0), S(20, 0), S(10, 0), S( 0, 0), S(-20, 0),
+ S(-20, 0), S( 0, 0), S( 0, 0), S( 0, 0), S(0, 0), S( 0, 0), S( 0, 0), S(-20, 0),
+ S(-20, 0), S( 0, 0), S( 0, 0), S( 0, 0), S(0, 0), S( 0, 0), S( 0, 0), S(-20, 0),
+ 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-102, EK-76, EK-51, EK-38, EK-38, EK-51, EK-76, EK-102,
- EK- 76, EK-51, EK-25, EK-12, EK-12, EK-25, EK-51, EK-76,
- EK- 51, EK-25, EK- 0, EK+12, EK+12, EK- 0, EK-25, EK-51,
- EK- 38, EK-12, EK+12, EK+25, EK+25, EK+12, EK-12, EK-38,
- EK- 38, EK-12, EK+12, EK+25, EK+25, EK+12, EK-12, EK-38,
- EK- 51, EK-25, EK- 0, EK+12, EK+12, EK- 0, EK-25, EK-51,
- EK- 76, EK-51, EK-25, EK-12, EK-12, EK-25, EK-51, EK-76,
- EK-102, EK-76, EK-51, EK-38, EK-38, EK-51, EK-76, EK-102
+ { // Knight
+ S(-134,-98), S(-99,-83), S(-75,-51), S(-63,-16), S(-63,-16), S(-75,-51), S(-99,-83), S(-134,-98),
+ S( -78,-68), S(-43,-53), S(-19,-21), S( -7, 14), S( -7, 14), S(-19,-21), S(-43,-53), S( -78,-68),
+ S( -59,-53), S(-24,-38), S( 0, -6), S( 12, 29), S( 12, 29), S( 0, -6), S(-24,-38), S( -59,-53),
+ S( -18,-42), S( 17,-27), S( 41, 5), S( 53, 40), S( 53, 40), S( 41, 5), S( 17,-27), S( -18,-42),
+ S( -20,-42), S( 15,-27), S( 39, 5), S( 51, 40), S( 51, 40), S( 39, 5), S( 15,-27), S( -20,-42),
+ S( 0,-53), S( 35,-38), S( 59, -6), S( 71, 29), S( 71, 29), S( 59, -6), S( 35,-38), S( 0,-53),
+ S( -54,-68), S(-19,-53), S( 5,-21), S( 17, 14), S( 17, 14), S( 5,-21), S(-19,-53), S( -54,-68),
+ S(-190,-98), S(-55,-83), S(-31,-51), S(-19,-16), S(-19,-16), S(-31,-51), S(-55,-83), S(-190,-98)
},
- {// Bishop
- // A B C D E F G H
- EB-46, EB-30, EB-23, EB-15, EB-15, EB-23, EB-30, EB-46,
- EB-30, EB-15, EB- 7, EB- 0, EB- 0, EB- 7, EB-15, EB-30,
- EB-23, EB- 7, EB- 0, EB+ 7, EB+ 7, EB- 0, EB- 7, EB-23,
- EB-15, EB- 0, EB+ 7, EB+15, EB+15, EB+ 7, EB- 0, EB-15,
- EB-15, EB- 0, EB+ 7, EB+15, EB+15, EB+ 7, EB- 0, EB-15,
- EB-23, EB- 7, EB- 0, EB+ 7, EB+ 7, EB- 0, EB- 7, EB-23,
- EB-30, EB-15, EB- 7, EB- 0, EB- 0, EB- 7, EB-15, EB-30,
- EB-46, EB-30, EB-23, EB-15, EB-15, EB-23, EB-30, EB-46
+ { // Bishop
+ S(-44,-65), S(-17,-42), S(-24,-44), S(-33,-26), S(-33,-26), S(-24,-44), S(-17,-42), S(-44,-65),
+ S(-19,-43), S( 8,-20), S( 1,-22), S( -8, -4), S( -8, -4), S( 1,-22), S( 8,-20), S(-19,-43),
+ S(-10,-33), S( 17,-10), S( 10,-12), S( 1, 6), S( 1, 6), S( 10,-12), S( 17,-10), S(-10,-33),
+ S( -9,-35), S( 18,-12), S( 11,-14), S( 2, 4), S( 2, 4), S( 11,-14), S( 18,-12), S( -9,-35),
+ S(-12,-35), S( 15,-12), S( 8,-14), S( -1, 4), S( -1, 4), S( 8,-14), S( 15,-12), S(-12,-35),
+ S(-18,-33), S( 9,-10), S( 2,-12), S( -7, 6), S( -7, 6), S( 2,-12), S( 9,-10), S(-18,-33),
+ S(-22,-43), S( 5,-20), S( -2,-22), S(-11, -4), S(-11, -4), S( -2,-22), S( 5,-20), S(-22,-43),
+ S(-39,-65), S(-12,-42), S(-19,-44), S(-28,-26), S(-28,-26), S(-19,-44), S(-12,-42), S(-39,-65)
},
- {// 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-61, EQ-40, EQ-30, EQ-20, EQ-20, EQ-30, EQ-40, EQ-61,
- EQ-40, EQ-20, EQ-10, EQ- 0, EQ- 0, EQ-10, EQ-20, EQ-40,
- EQ-30, EQ-10, EQ- 0, EQ+10, EQ+10, EQ- 0, EQ-10, EQ-30,
- EQ-20, EQ- 0, EQ+10, EQ+20, EQ+20, EQ+10, EQ- 0, EQ-20,
- EQ-20, EQ- 0, EQ+10, EQ+20, EQ+20, EQ+10, EQ- 0, EQ-20,
- EQ-30, EQ-10, EQ- 0, EQ+10, EQ+10, EQ- 0, EQ-10, EQ-30,
- EQ-40, EQ-20, EQ-10, EQ- 0, EQ- 0, EQ-10, EQ-20, EQ-40,
- EQ-61, EQ-40, EQ-30, EQ-20, EQ-20, EQ-30, EQ-40, EQ-61
+ { // 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
- 16, 78, 108, 139, 139, 108, 78, 16,
- 78, 139, 170, 200, 200, 170, 139, 78,
- 108, 170, 200, 230, 230, 200, 170, 108,
- 139, 200, 230, 261, 261, 230, 200, 139,
- 139, 200, 230, 261, 261, 230, 200, 139,
- 108, 170, 200, 230, 230, 200, 170, 108,
- 78, 139, 170, 200, 200, 170, 139, 78,
- 16, 78, 108, 139, 139, 108, 78, 16
+ { // King
+ S(298, 27), S(332, 81), S(273,108), S(225,116), S(225,116), S(273,108), S(332, 81), S(298, 27),
+ S(287, 74), S(321,128), S(262,155), S(214,163), S(214,163), S(262,155), S(321,128), S(287, 74),
+ S(224,111), S(258,165), S(199,192), S(151,200), S(151,200), S(199,192), S(258,165), S(224,111),
+ S(196,135), S(230,189), S(171,216), S(123,224), S(123,224), S(171,216), S(230,189), S(196,135),
+ S(173,135), S(207,189), S(148,216), S(100,224), S(100,224), S(148,216), S(207,189), S(173,135),
+ S(146,111), S(180,165), S(121,192), S( 73,200), S( 73,200), S(121,192), S(180,165), S(146,111),
+ S(119, 74), S(153,128), S( 94,155), S( 46,163), S( 46,163), S( 94,155), S(153,128), S(119, 74),
+ S( 98, 27), S(132, 81), S( 73,108), S( 25,116), S( 25,116), S( 73,108), S(132, 81), S( 98, 27)
}
};
+#undef S
-#endif // !defined(PSQTAB_H_INCLUDED)
+#endif // #ifndef PSQTAB_H_INCLUDED