// to the badCaptures[] array.
Move m;
int seeValue;
+ Square from, to;
for (int i = 0; i < numOfMoves; i++)
{
m = moves[i].move;
- seeValue = pos.see(m);
+ from = move_from(m);
+ to = move_to(m);
+
+ bool hxl = ( int(pos.midgame_value_of_piece_on(from))
+ -int(pos.midgame_value_of_piece_on(to)) > 0)
+ || pos.type_of_piece_on(from) == KING;
+
+ // Avoid calling see() for LxH and equal captures because
+ // SEE is always >= 0 and we order for MVV/LVA anyway.
+ seeValue = (hxl ? pos.see(m) : 0);
+
if (seeValue >= 0)
{
if (move_promotion(m))
moves[i].score = QueenValueMidgame;
else
- moves[i].score = int(pos.midgame_value_of_piece_on(move_to(m)))
- -int(pos.type_of_piece_on(move_from(m)));
+ moves[i].score = int(pos.midgame_value_of_piece_on(to))
+ -int(pos.type_of_piece_on(from));
}
else
{