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Test with see

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2008-10-17 07:58:36 +02:00
parent 173ecc0acf
commit 06d6468ce9
1 changed files with 5 additions and 8 deletions
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13
src/movepick.cpp
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@@ -203,7 +203,7 @@ Move MovePicker::get_next_move(Lock &lock) {
/// MovePicker::pick_move_from_list(). /// MovePicker::pick_move_from_list().
void MovePicker::score_captures() { void MovePicker::score_captures() {
// Winning and equal captures in the main search are ordered by MVV/LVA. // Winning and equal captures in the main search are ordered by MVV.
// Suprisingly, this appears to perform slightly better than SEE based // Suprisingly, this appears to perform slightly better than SEE based
// move ordering. The reason is probably that in a position with a winning // move ordering. The reason is probably that in a position with a winning
// capture, capturing a more valuable (but sufficiently defended) piece // capture, capturing a more valuable (but sufficiently defended) piece
@@ -216,12 +216,9 @@ void MovePicker::score_captures() {
{ {
Move m = moves[i].move; Move m = moves[i].move;
moves[i].score = pos.see(m); moves[i].score = pos.see(m);
if (moves[i].score >= 0) //if (moves[i].score >= 0)
{ // moves[i].score = move_promotion(m) ? QueenValueMidgame
moves[i].score = HistoryMax; // : pos.midgame_value_of_piece_on(move_to(m));
moves[i].score += move_promotion(m) ? QueenValueMidgame
: pos.midgame_value_of_piece_on(move_to(m));
}
} }
} }
@@ -266,7 +263,7 @@ void MovePicker::score_evasions() {
void MovePicker::score_qcaptures() { void MovePicker::score_qcaptures() {
// Use MVV/LVA ordering // Use MVV ordering
for (int i = 0; i < numOfMoves; i++) for (int i = 0; i < numOfMoves; i++)
{ {
Move m = moves[i].move; Move m = moves[i].move;