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search_pv: an enpassant move is a capture

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Fix the logic in search_pv and sp_search_pv

An additional issue to consider is that a castle move
is not a capture but destination square is not empty.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2008-12-16 17:09:19 +01:00
parent 725c504a5f
commit b09cbaebb9
1 changed files with 7 additions and 5 deletions
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12
src/search.cpp
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@@ -1003,9 +1003,8 @@ namespace {
movesSearched[moveCount++] = ss[ply].currentMove = move; movesSearched[moveCount++] = ss[ply].currentMove = move;
if (moveIsCapture) if (moveIsCapture)
ss[ply].currentMoveCaptureValue = pos.midgame_value_of_piece_on(move_to(move)); ss[ply].currentMoveCaptureValue =
else if (move_is_ep(move)) move_is_ep(move)? PawnValueMidgame : pos.midgame_value_of_piece_on(move_to(move));
ss[ply].currentMoveCaptureValue = PawnValueMidgame;
else else
ss[ply].currentMoveCaptureValue = Value(0); ss[ply].currentMoveCaptureValue = Value(0);
@@ -1691,8 +1690,11 @@ namespace {
assert(move_is_ok(move)); assert(move_is_ok(move));
ss[sp->ply].currentMoveCaptureValue = move_is_ep(move)? if (moveIsCapture)
PawnValueMidgame : pos.midgame_value_of_piece_on(move_to(move)); ss[sp->ply].currentMoveCaptureValue =
move_is_ep(move)? PawnValueMidgame : pos.midgame_value_of_piece_on(move_to(move));
else
ss[sp->ply].currentMoveCaptureValue = Value(0);
lock_grab(&(sp->lock)); lock_grab(&(sp->lock));
int moveCount = ++sp->moves; int moveCount = ++sp->moves;