X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=5974cba731ef04a6c71885216e92818392aa5c8d;hp=a413bd3814fec6daa13b08ed3bbe9db6182158b3;hb=ec8dfe7315c865053afb198af2f1231a551c2c26;hpb=d297d1d8a78166b609af112b6208ace7c645b2f3

diff --git a/src/search.cpp b/src/search.cpp
index a413bd38..5974cba7 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1157,8 +1157,8 @@ moves_loop: // When in check, search starts from here
               r--;
 
           // Increase reduction for cut nodes (~3 Elo)
-          if (cutNode)
-              r += 1 + !captureOrPromotion;
+          if (cutNode && move != ss->killers[0])
+              r += 2;
 
           if (!captureOrPromotion)
           {