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Effectively use MVV/LVA in MovePicker::score_captures()

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-10-26 13:47:31 +01:00
parent 88885399f4
commit 714069e248
1 changed files with 2 additions and 2 deletions
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4
src/movepick.cpp
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@ -207,7 +207,7 @@ void MovePicker::score_captures() {
// capture, capturing a more valuable (but sufficiently defended) piece // capture, capturing a more valuable (but sufficiently defended) piece
// first usually doesn't hurt. The opponent will have to recapture, and // first usually doesn't hurt. The opponent will have to recapture, and
// the hanging piece will still be hanging (except in the unusual cases // the hanging piece will still be hanging (except in the unusual cases
// where it is possible to recapture with the hanging piece). Exchanging // where it is possible to recapture with the hanging piece). Exchanging
// big pieces before capturing a hanging piece probably helps to reduce // big pieces before capturing a hanging piece probably helps to reduce
// the subtree size. // the subtree size.
for (int i = 0; i < numOfMoves; i++) for (int i = 0; i < numOfMoves; i++)
@ -278,7 +278,7 @@ void MovePicker::score_qcaptures() {
moves[i].score = QueenValueMidgame; moves[i].score = QueenValueMidgame;
else else
moves[i].score = int(pos.midgame_value_of_piece_on(move_to(m))) moves[i].score = int(pos.midgame_value_of_piece_on(move_to(m)))
-int(pos.midgame_value_of_piece_on(move_to(m))) / 64; -int(pos.type_of_piece_on(move_from(m)));
} }
} }