X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=a769284193abe04b0b5ac0bd0b07124dccf93559;hp=0d823c8e02425d1cf617d7a7e1939490d4c4b600;hb=2a696115094882b7dc5c024a97ed7dc2bdc98642;hpb=0e1f734b05ee5c67e9a17ae0e2045a64209dee05 diff --git a/src/search.cpp b/src/search.cpp index 0d823c8e..a7692841 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1168,13 +1168,6 @@ moves_loop: // When in check, search starts from here { Depth r = reduction(improving, depth, moveCount); - // Decrease reduction at non-check cut nodes for second move at low depths - if ( cutNode - && depth <= 10 - && moveCount <= 2 - && !ss->inCheck) - r--; - // Decrease reduction if the ttHit running average is large if (thisThread->ttHitAverage > 509 * TtHitAverageResolution * TtHitAverageWindow / 1024) r--; @@ -1196,7 +1189,7 @@ moves_loop: // When in check, search starts from here // Decrease reduction if ttMove has been singularly extended (~3 Elo) if (singularQuietLMR) - r -= 1 + formerPv; + r--; if (!captureOrPromotion) {