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Fix a silly unstoppable eval bug

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The logic is broken for black side because we get more bonus
for pawn in 7th rank than for pawn in 2nd rank!

Spotted by Reuven Peleg

bench:3884409
This commit is contained in:
Marco Costalba
2013-09-16 23:59:37 +02:00
parent 77b5ee0117
commit d50b33cacd
1 changed files with 1 additions and 1 deletions
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2
src/evaluate.cpp
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@@ -906,7 +906,7 @@ Value do_evaluate(const Position& pos, Value& margin) {
if (!b || pos.non_pawn_material(~us))
return SCORE_ZERO;
return Unstoppable * int(relative_rank(WHITE, frontmost_sq(us, b)));
return Unstoppable * int(relative_rank(us, frontmost_sq(us, b)));
}