X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=64cdf1c4e5fac5f27d679e7ed4c2ad865c961a19;hp=c7d8d792fee4bb231a559e506ba501c7410c2177;hb=72e1e9b986fc4c656c3a3db24e5504e3edbb63cc;hpb=1062459029ff2ae5a717106a8634c8a1ffc15671 diff --git a/src/search.cpp b/src/search.cpp index c7d8d792..64cdf1c4 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1817,7 +1817,6 @@ namespace { && !isCheck; const int FutilityMoveCountMargin = 3 + (1 << (3 * int(sp->depth) / 8)); - const int FutilityValueMargin = 112 * bitScanReverse32(int(sp->depth) * int(sp->depth) / 2); while ( sp->bestValue < sp->beta && !thread_should_stop(threadID) @@ -1851,12 +1850,6 @@ namespace { continue; // Value based pruning - if (sp->futilityValue == VALUE_NONE) - { - EvalInfo ei; - sp->futilityValue = evaluate(pos, ei, threadID) + FutilityValueMargin; - } - Value futilityValueScaled = sp->futilityValue - moveCount * IncrementalFutilityMargin; if (futilityValueScaled < sp->beta)