/*
- 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/>.
*/
VALUE_TYPE_NONE = 0,
VALUE_TYPE_UPPER = 1, // Upper bound
VALUE_TYPE_LOWER = 2, // Lower bound
- VALUE_TYPE_EXACT = 3 // Exact score
+ VALUE_TYPE_EXACT = 3, // Exact score
+ VALUE_TYPE_EVAL = 4 // Evaluation cache
};
/// Important: If the material values are changed, one must also
/// adjust the piece square tables, and the method game_phase() in the
/// Position class!
-
-const Value PawnValueMidgame = Value(0xCC);
-const Value PawnValueEndgame = Value(0x100);
-const Value KnightValueMidgame = Value(0x340);
-const Value KnightValueEndgame = Value(0x340);
-const Value BishopValueMidgame = Value(0x340);
-const Value BishopValueEndgame = Value(0x340);
-const Value RookValueMidgame = Value(0x505);
-const Value RookValueEndgame = Value(0x505);
-const Value QueenValueMidgame = Value(0xA00);
-const Value QueenValueEndgame = Value(0xA00);
+///
+/// Values modified by Joona Kiiski
+
+const Value PawnValueMidgame = Value(0x0CC);
+const Value PawnValueEndgame = Value(0x101);
+const Value KnightValueMidgame = Value(0x332);
+const Value KnightValueEndgame = Value(0x34E);
+const Value BishopValueMidgame = Value(0x345);
+const Value BishopValueEndgame = Value(0x356);
+const Value RookValueMidgame = Value(0x4F8);
+const Value RookValueEndgame = Value(0x500);
+const Value QueenValueMidgame = Value(0x9D5);
+const Value QueenValueEndgame = Value(0x9FB);
const Value PieceValueMidgame[17] = {
Value(0),
/// Bonus for having the side to move
-const Value TempoValueMidgame = Value(50);
-const Value TempoValueEndgame = Value(20);
+const Value TempoValueMidgame = Value(48);
+const Value TempoValueEndgame = Value(21);
////
inline Value value_mate_in(int ply) {
return Value(VALUE_MATE - Value(ply));
}
-
+
inline Value value_mated_in(int ply) {
return Value(-VALUE_MATE + Value(ply));
}