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Restore behaviour after count<ALL_PIECES> fix

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Because pos.count<ALL_PIECES>(Us) was always zero,
rewrite the formula as if this would still be
the case.

bench: 8510004
This commit is contained in:
Marco Costalba
2013-10-22 17:27:58 +02:00
parent 97015afce8
commit 35ea39bed2
1 changed files with 1 additions and 3 deletions
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4
src/evaluate.cpp
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@@ -878,9 +878,7 @@ Value do_evaluate(const Position& pos, Value& margin) {
ebonus -= ebonus / 4;
}
// Increase the bonus if we have more non-pawn pieces
if (pos.count<ALL_PIECES>( Us) - pos.count<PAWN>( Us) >
pos.count<ALL_PIECES>(Them) - pos.count<PAWN>(Them))
if (pos.count<PAWN>(Us) < pos.count<PAWN>(Them))
ebonus += ebonus / 4;
score += make_score(mbonus, ebonus);