return see(m);
}
-int Position::see(Move m, int asymmThreshold) const {
+int Position::see(Move m) const {
Square from, to;
Bitboard occupied, attackers, stmAttackers;
} while (stmAttackers);
- // If we are doing asymmetric SEE evaluation and the same side does the first
- // and the last capture, it loses a tempo and gain must be at least worth
- // 'asymmThreshold', otherwise we replace the score with a very low value,
- // before negamaxing.
- if (asymmThreshold)
- for (int i = 0; i < slIndex; i += 2)
- if (swapList[i] < asymmThreshold)
- swapList[i] = - QueenValueMg * 16;
-
// Having built the swap list, we negamax through it to find the best
// achievable score from the point of view of the side to move.
while (--slIndex)