// Polynomial material imbalance parameters
- // pair pawn knight bishop rook queen
- const int Linear[6] = { 1667, -168, -1027, -166, 238, -138 };
-
const int QuadraticOurs[][PIECE_TYPE_NB] = {
// OUR PIECES
// pair pawn knight bishop rook queen
- { 0 }, // Bishop pair
+ {1667 }, // Bishop pair
{ 40, 2 }, // Pawn
{ 32, 255, -3 }, // Knight OUR PIECES
{ 0, 104, 4, 0 }, // Bishop
if (!pieceCount[Us][pt1])
continue;
- int v = Linear[pt1];
+ int v = 0;
for (int pt2 = NO_PIECE_TYPE; pt2 <= pt1; ++pt2)
v += QuadraticOurs[pt1][pt2] * pieceCount[Us][pt2]
VALUE_MATE_IN_MAX_PLY = VALUE_MATE - 2 * MAX_PLY,
VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY,
- PawnValueMg = 198, PawnValueEg = 258,
- KnightValueMg = 817, KnightValueEg = 896,
- BishopValueMg = 836, BishopValueEg = 907,
- RookValueMg = 1270, RookValueEg = 1356,
- QueenValueMg = 2521, QueenValueEg = 2658,
+ PawnValueMg = 188, PawnValueEg = 248,
+ KnightValueMg = 753, KnightValueEg = 832,
+ BishopValueMg = 826, BishopValueEg = 897,
+ RookValueMg = 1285, RookValueEg = 1371,
+ QueenValueMg = 2513, QueenValueEg = 2650,
- MidgameLimit = 15581, EndgameLimit = 3998
+ MidgameLimit = 15258, EndgameLimit = 3915
};
enum PieceType {