diff --git a/src/search.cpp b/src/search.cpp index f634b2d2..67f259fc 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1132,6 +1132,9 @@ moves_loop: // When in check, search starts from here { Depth r = reduction(improving, depth, moveCount); + if (PvNode) + r--; + // Decrease reduction if the ttHit running average is large (~0 Elo) if (thisThread->ttHitAverage > 537 * TtHitAverageResolution * TtHitAverageWindow / 1024) r--;