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Revert bad capture pruning

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After testing does not seem to increase ELO.

Indeed Glaurung is a little bit weaker, so revert.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-10-11 19:03:59 +02:00
parent bbf7a94d76
commit 6a15df1d82
1 changed files with 4 additions and 3 deletions
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7
src/search.cpp
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@ -1162,7 +1162,7 @@ namespace {
bool singleReply = (isCheck && mp.number_of_moves() == 1);
bool moveIsCheck = pos.move_is_check(move, dcCandidates);
bool moveIsGoodCapture = (mp.current_move_type() == MovePicker::PH_GOOD_CAPTURES);
bool moveIsCapture = pos.move_is_capture(move);
bool moveIsPassedPawnPush = pos.move_is_passed_pawn_push(move);
movesSearched[moveCount++] = ss[ply].currentMove = move;
@ -1174,7 +1174,7 @@ namespace {
// Futility pruning
if ( useFutilityPruning
&& ext == Depth(0)
&& !moveIsGoodCapture
&& !moveIsCapture
&& !moveIsPassedPawnPush
&& !move_promotion(move))
{
@ -1206,7 +1206,7 @@ namespace {
if ( depth >= 2*OnePly
&& ext == Depth(0)
&& moveCount >= LMRNonPVMoves
&& !moveIsGoodCapture
&& !moveIsCapture
&& !move_promotion(move)
&& !moveIsPassedPawnPush
&& !move_is_castle(move)
@ -2020,6 +2020,7 @@ namespace {
assert(threat == MOVE_NONE || move_is_ok(threat));
assert(!move_promotion(m));
assert(!pos.move_is_check(m));
assert(!pos.move_is_capture(m));
assert(!pos.move_is_passed_pawn_push(m));
assert(d >= OnePly);