X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=94eb5af981315ea8587a77d35b909d5130bdcc13;hp=faac36ce966727734c0109bf42fda9ef20dac9c1;hb=bc35f4c42d367ef080d54ae381d13ed35b4fbecf;hpb=889c8538a8d75ff7b9aa38beb21b9dc1a15b2bac diff --git a/src/search.cpp b/src/search.cpp index faac36ce..94eb5af9 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -177,7 +177,7 @@ namespace { const Value FutilityMarginQS = Value(0x80); // Each move futility margin is decreased - const Value IncrementalFutilityMargin = Value(0xA); + const Value IncrementalFutilityMargin = Value(0x8); // Remaining depth: 1 ply 1.5 ply 2 ply 2.5 ply 3 ply 3.5 ply const Value FutilityMargins[12] = { Value(0x100), Value(0x120), Value(0x200), Value(0x220), Value(0x250), Value(0x270), @@ -1473,7 +1473,7 @@ namespace { { if (futilityValue == VALUE_NONE) futilityValue = evaluate(pos, ei, threadID) - + 64*(1+bitScanReverse32(int(depth) * int(depth))); + + 64*(2+bitScanReverse32(int(depth) * int(depth))); futilityValueScaled = futilityValue - moveCount * IncrementalFutilityMargin;