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Remove ThreatByHangingPawn bonus (#1356)

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* no ThreatByHangingPawn

* bench: 4919682
This commit is contained in:
hxim 2018-01-04 22:31:30 +01:00 • committed by Marco Costalba
parent 9afa1d7330
commit 66ce8ad5fd
1 changed files with 0 additions and 4 deletions
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4
src/evaluate.cpp
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@ -220,7 +220,6 @@ namespace {
const Score WeakQueen = S( 50, 10); const Score WeakQueen = S( 50, 10);
const Score CloseEnemies = S( 7, 0); const Score CloseEnemies = S( 7, 0);
const Score PawnlessFlank = S( 20, 80); const Score PawnlessFlank = S( 20, 80);
const Score ThreatByHangingPawn = S( 71, 61);
const Score ThreatBySafePawn = S(192,175); const Score ThreatBySafePawn = S(192,175);
const Score ThreatByRank = S( 16, 3); const Score ThreatByRank = S( 16, 3);
const Score Hanging = S( 48, 27); const Score Hanging = S( 48, 27);
@ -543,9 +542,6 @@ namespace {
safeThreats = (shift<Right>(b) | shift<Left>(b)) & weak; safeThreats = (shift<Right>(b) | shift<Left>(b)) & weak;
score += ThreatBySafePawn * popcount(safeThreats); score += ThreatBySafePawn * popcount(safeThreats);
if (weak ^ safeThreats)
score += ThreatByHangingPawn;
} }
// Squares strongly protected by the opponent, either because they attack the // Squares strongly protected by the opponent, either because they attack the