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evaluate_passed_pawns() micro-optmization

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No functional change, only a bit faster.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-01-06 16:06:08 +01:00
parent 90585a8a36
commit cbfbf25d1b
1 changed files with 1 additions and 1 deletions
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2
src/evaluate.cpp
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@@ -937,7 +937,7 @@ namespace {
ebonus += Value(square_distance(theirKingSq, blockSq) * 6 * tr);
// If the pawn is free to advance, increase bonus
if (pos.square_is_empty(blockSq))
if (tr != 0 && pos.square_is_empty(blockSq))
{
b2 = squares_in_front_of(us, s);
b3 = b2 & ei.attacked_by(them);