X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=b4096ebad3559edc4dad28a99091e1365bad910e;hp=e8824b6bf4c6de59b6fb3cba1c50316436147e2d;hb=fae57273b20468f534cce5843152a21214b5da05;hpb=9afa03b80ea4610729427ee8287a5bbadba03e02

diff --git a/src/search.cpp b/src/search.cpp
index e8824b6b..b4096eba 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -935,7 +935,7 @@ moves_loop: // When in check, search starts from here
               int lmrDepth = std::max(newDepth - reduction<PvNode>(improving, depth, moveCount), DEPTH_ZERO) / ONE_PLY;
 
               // Countermoves based pruning (~20 Elo)
-              if (   lmrDepth <= ((ss-1)->statScore > 0 ? 3 : 2)
+              if (   lmrDepth < 3 + ((ss-1)->statScore > 0)
                   && (*contHist[0])[movedPiece][to_sq(move)] < CounterMovePruneThreshold
                   && (*contHist[1])[movedPiece][to_sq(move)] < CounterMovePruneThreshold)
                   continue;