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Do more futility pruning

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closes https://github.com/official-stockfish/Stockfish/pull/6433

Bench: 2469519
This commit is contained in:
Shawn Xu
2025-11-17 14:03:02 +01:00
committed by Joost VandeVondele
parent 61149ac9ee
commit 035cb146d4
1 changed files with 1 additions and 1 deletions
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src/search.cpp
+1 -1
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@@ -857,7 +857,7 @@ Value Search::Worker::search(
// The depth condition is important for mate finding.
{
auto futility_margin = [&](Depth d) {
Value futilityMult = 91 - 21 * !ss->ttHit;
Value futilityMult = 81 - 21 * !ss->ttHit;
return futilityMult * d //
- 2094 * improving * futilityMult / 1024 //