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Don't modify Eval with search stats at ttHits

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STC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 28344 W: 6148 L: 6040 D: 16156
http://tests.stockfishchess.org/tests/view/5b7d6b4e0ebc5902bdbb1914

LTC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 41084 W: 6769 L: 6680 D: 27635
http://tests.stockfishchess.org/tests/view/5b7d7f5b0ebc5902bdbb1b85

Bench: 4457440
This commit is contained in:
VoyagerOne
2018-08-22 15:51:20 -04:00
committed by Stéphane Nicolet
parent 28543cddc6
commit 3ac3b68540
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@@ -713,7 +713,7 @@ namespace {
{
// Never assume anything on values stored in TT
if ((ss->staticEval = pureStaticEval = eval = tte->eval()) == VALUE_NONE)
eval = ss->staticEval = (pureStaticEval = evaluate(pos)) - 10 * ((ss-1)->statScore > 0);
eval = ss->staticEval = pureStaticEval = evaluate(pos);
// Can ttValue be used as a better position evaluation?
if ( ttValue != VALUE_NONE