/*
- 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) 2008-2009 Marco Costalba
- 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/>.
*/
//// Includes
////
-#include "position.h"
+#include "value.h"
////
-//// Variables
+//// Constants modified by Joona Kiiski
////
+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
- 0, 0, 0, 0, 0, 0, 0, 0,
- 166, 192, 204, 216, 216, 204, 192, 166,
- 166, 192, 210, 242, 242, 210, 192, 166,
- 166, 192, 220, 268, 268, 220, 192, 166,
- 166, 192, 220, 242, 242, 220, 192, 166,
- 166, 192, 210, 216, 216, 210, 192, 166,
- 166, 192, 204, 216, 216, 204, 192, 166,
- 0, 0, 0, 0, 0, 0, 0, 0
- },
- { // Knight
- 704, 730, 756, 768, 768, 756, 730, 704,
- 743, 768, 794, 807, 807, 794, 768, 743,
- 781, 807, 832, 844, 844, 832, 807, 781,
- 807, 832, 857, 870, 870, 857, 832, 807,
- 820, 844, 870, 883, 883, 870, 844, 820,
- 820, 844, 870, 883, 883, 870, 844, 820,
- 781, 807, 832, 844, 844, 832, 807, 781,
- 650, 768, 794, 807, 807, 794, 768, 650
- },
- { // Bishop
- 786, 786, 792, 797, 797, 792, 786, 786,
- 812, 832, 827, 832, 832, 827, 832, 812,
- 817, 827, 842, 837, 837, 842, 827, 817,
- 822, 832, 837, 852, 852, 837, 832, 822,
- 822, 832, 837, 852, 852, 837, 832, 822,
- 817, 827, 842, 837, 837, 842, 827, 817,
- 812, 832, 827, 832, 832, 827, 832, 812,
- 812, 812, 817, 822, 822, 817, 812, 812
- },
- { // Rook
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267,
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267,
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267,
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267,
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267,
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267,
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267,
- 1267, 1275, 1282, 1289, 1289, 1282, 1275, 1267
- },
- { // Queen
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560,
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560,
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560,
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560,
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560,
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560,
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560,
- 2560, 2560, 2560, 2560, 2560, 2560, 2560, 2560
- },
- { // King
- 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,
+ {// 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
}
};
+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;
static const int EgPST[][64] = {
{ },
- { // Pawn
- 0, 0, 0, 0, 0, 0, 0, 0,
- 256, 256, 256, 256, 256, 256, 256, 256,
- 256, 256, 256, 256, 256, 256, 256, 256,
- 256, 256, 256, 256, 256, 256, 256, 256,
- 256, 256, 256, 256, 256, 256, 256, 256,
- 256, 256, 256, 256, 256, 256, 256, 256,
- 256, 256, 256, 256, 256, 256, 256, 256,
- 0, 0, 0, 0, 0, 0, 0, 0
+ {// 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
},
- { // Knight
- 730, 756, 781, 794, 794, 781, 756, 730,
- 756, 781, 807, 820, 820, 807, 781, 756,
- 781, 807, 832, 844, 844, 832, 807, 781,
- 794, 820, 844, 857, 857, 844, 820, 794,
- 794, 820, 844, 857, 857, 844, 820, 794,
- 781, 807, 832, 844, 844, 832, 807, 781,
- 756, 781, 807, 820, 820, 807, 781, 756,
- 730, 756, 781, 794, 794, 781, 756, 730
+ {// 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
},
- { // Bishop
- 786, 802, 809, 817, 817, 809, 802, 786,
- 802, 817, 825, 832, 832, 825, 817, 802,
- 809, 825, 832, 839, 839, 832, 825, 809,
- 817, 832, 839, 847, 847, 839, 832, 817,
- 817, 832, 839, 847, 847, 839, 832, 817,
- 809, 825, 832, 839, 839, 832, 825, 809,
- 802, 817, 825, 832, 832, 825, 817, 802,
- 786, 802, 809, 817, 817, 809, 802, 786
+ {// 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
},
- { // Rook
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282,
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282,
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282,
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282,
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282,
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282,
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282,
- 1282, 1282, 1282, 1282, 1282, 1282, 1282, 1282
+ {// 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
},
- { // Queen
- 2499, 2520, 2530, 2540, 2540, 2530, 2520, 2499,
- 2520, 2540, 2550, 2560, 2560, 2550, 2540, 2520,
- 2530, 2550, 2560, 2570, 2570, 2560, 2550, 2530,
- 2540, 2560, 2570, 2580, 2580, 2570, 2560, 2540,
- 2540, 2560, 2570, 2580, 2580, 2570, 2560, 2540,
- 2530, 2550, 2560, 2570, 2570, 2560, 2550, 2530,
- 2520, 2540, 2550, 2560, 2560, 2550, 2540, 2520,
- 2499, 2520, 2530, 2540, 2540, 2530, 2520, 2499
+ {// 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
},
- { // King
- 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
+ //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
}
};
projects / stockfish / blobdiff