/*
- 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-34, MP-12, MP- 2, MP+ 8, MP+ 8, MP- 2, MP-12, MP-34,
+ MP-34, MP-12, MP+ 3, MP+30, MP+30, MP+ 3, MP-12, MP-34,
+ MP-34, MP-12, MP+11, MP+52, MP+52, MP+11, MP-12, MP-34,
+ MP-34, MP-12, MP+11, MP+30, MP+30, MP+11, MP-12, MP-34,
+ MP-34, MP-12, MP+ 3, MP+ 8, MP+ 8, MP+ 3, MP-12, MP-34,
+ MP-34, MP-12, MP- 2, MP+ 8, MP+ 8, MP- 2, MP-12, MP-34,
+ 0, 0, 0, 0, 0, 0, 0, 0
+ },
+ {// Knight
+ // A B C D E F G H
+ MK-136, MK-108, MK-81, MK-68, MK-68, MK-81, MK-108, MK-136,
+ MK- 94, MK- 68, MK-40, MK-26, MK-26, MK-40, MK- 68, MK- 94,
+ MK- 54, MK- 26, MK+ 0, MK+12, MK+12, MK+ 0, MK- 26, MK- 54,
+ MK- 26, MK+ 0, MK+26, MK+40, MK+40, MK+26, MK+ 0, MK- 26,
+ MK- 12, MK+ 12, MK+40, MK+54, MK+54, MK+40, MK+ 12, MK- 12,
+ MK- 12, MK+ 12, MK+40, MK+54, MK+54, MK+40, MK+ 12, MK- 12,
+ MK- 54, MK- 26, MK+ 0, MK+12, MK+12, MK+ 0, MK- 26, MK- 54,
+ MK-194, MK- 68, MK-40, MK-26, MK-26, MK-40, MK- 68, MK-194
+ },
+ {// Bishop
+ // A B C D E F G H
+ MB-41, MB-41, MB-36, MB-31, MB-31, MB-36, MB-41, MB-41,
+ MB-18, MB- 1, MB- 5, MB- 1, MB- 1, MB- 5, MB- 1, MB-18,
+ MB-14, MB- 5, MB+ 7, MB+ 3, MB+ 3, MB+ 7, MB- 5, MB-14,
+ MB- 9, MB- 1, MB+ 3, MB+16, MB+16, MB+ 3, MB- 1, MB- 9,
+ MB- 9, MB- 1, MB+ 3, MB+16, MB+16, MB+ 3, MB- 1, MB- 9,
+ MB-14, MB- 5, MB+ 7, MB+ 3, MB+ 3, MB+ 7, MB- 5, MB-14,
+ MB-18, MB- 1, MB- 5, MB- 1, MB- 1, MB- 5, MB- 1, MB-18,
+ MB-18, MB-18, MB-14, MB- 9, MB- 9, MB-14, MB-18, MB-18
+ },
+ {// Rook
+ // A B C D E F G H
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14,
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14,
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14,
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14,
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14,
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14,
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14,
+ MR-14, MR-9, MR-4, MR-0, MR-0, MR-4, MR-9, MR-14
+ },
+ {// Queen
+ // A B C D E F G H
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12,
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12,
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12,
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12,
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12,
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12,
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12,
+ MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12, MQ+12
+ },
+ {// 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;
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-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7,
+ EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7,
+ EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7,
+ EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7,
+ EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7,
+ EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7, EP-7,
+ 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-56, EB-39, EB-32, EB-23, EB-23, EB-32, EB-39, EB-56,
+ EB-39, EB-23, EB-15, EB- 8, EB- 8, EB-15, EB-23, EB-39,
+ EB-32, EB-15, EB- 8, EB- 1, EB- 1, EB- 8, EB-15, EB-32,
+ EB-23, EB- 8, EB- 1, EB+ 7, EB+ 7, EB- 1, EB- 8, EB-23,
+ EB-23, EB- 8, EB- 1, EB+ 7, EB+ 7, EB- 1, EB- 8, EB-23,
+ EB-32, EB-15, EB- 8, EB- 1, EB- 1, EB- 8, EB-15, EB-32,
+ EB-39, EB-23, EB-15, EB- 8, EB- 8, EB-15, EB-23, EB-39,
+ EB-56, EB-39, EB-32, EB-23, EB-23, EB-32, EB-39, EB-56
},
- { // 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+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1,
+ ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1,
+ ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1,
+ ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1,
+ ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1,
+ ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1,
+ ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1,
+ ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1, ER+1
},
- { // 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-77, EQ-51, EQ-39, EQ-27, EQ-27, EQ-39, EQ-51, EQ-77,
+ EQ-51, EQ-27, EQ-15, EQ- 3, EQ- 3, EQ-15, EQ-27, EQ-51,
+ EQ-39, EQ-15, EQ- 3, EQ+ 9, EQ+ 9, EQ- 3, EQ-15, EQ-39,
+ EQ-27, EQ- 3, EQ+ 9, EQ+21, EQ+21, EQ+ 9, EQ- 3, EQ-27,
+ EQ-27, EQ- 3, EQ+ 9, EQ+21, EQ+21, EQ+ 9, EQ- 3, EQ-27,
+ EQ-39, EQ-15, EQ- 3, EQ+ 9, EQ+ 9, EQ- 3, EQ-15, EQ-39,
+ EQ-51, EQ-27, EQ-15, EQ- 3, EQ- 3, EQ-15, EQ-27, EQ-51,
+ EQ-77, EQ-51, EQ-39, EQ-27, EQ-27, EQ-39, EQ-51, EQ-77
},
- { // 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
+ 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
}
};
projects / stockfish / blobdiff