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Restore standard passed pawn definition

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Use the usual and accepted passed pawn semantic
instead of a non-standard one and remove a FIXME.

STC (http://tests.stockfishchess.org/tests/view/576401350ebc5972faa1608d):
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 29646 W: 5663 L: 5557 D: 18426

LTC (http://tests.stockfishchess.org/tests/view/5764e4e90ebc5972faa160c3):
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 40224 W: 5578 L: 5484 D: 29162

bench: 7543902
This commit is contained in:
Marco Costalba
2016-06-25 11:42:43 +02:00
parent c2c0e6b07d
commit 190d2ea4bc
2 changed files with 3 additions and 3 deletions
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1
src/evaluate.cpp
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@@ -577,6 +577,7 @@ namespace {
Square s = pop_lsb(&b);
assert(pos.pawn_passed(Us, s));
assert(!(pos.pieces(PAWN) & forward_bb(Us, s)));
int r = relative_rank(Us, s) - RANK_2;
int rr = r * (r - 1);