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Another simplification for SEE pruning

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STC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 29310 W: 5225 L: 5118 D: 18967

LTC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 128454 W: 16424 L: 16442 D: 95588

Bench: 4556848
This commit is contained in:
VoyagerOne 2016-12-16 11:05:34 -05:00 • committed by Marco Costalba
parent 847bc0e80f
commit 8c61bbda54
1 changed files with 3 additions and 5 deletions
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8
src/search.cpp
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@ -934,12 +934,10 @@ moves_loop: // When in check search starts from here
&& !pos.see_ge(move, Value(-35 * lmrDepth * lmrDepth))) && !pos.see_ge(move, Value(-35 * lmrDepth * lmrDepth)))
continue; continue;
} }
else if (depth < 7 * ONE_PLY && !extension) else if ( depth < 7 * ONE_PLY
{ && !extension
Value v = -Value(400 - 100 * PvNode + 35 * depth / ONE_PLY * depth / ONE_PLY); && !pos.see_ge(move, -PawnValueEg * (depth / ONE_PLY)))
if (!pos.see_ge(move, v))
continue; continue;
}
} }
// Speculative prefetch as early as possible // Speculative prefetch as early as possible