X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=8f7d263aa0367973286914920c6c231b49be1ebb;hp=28fbf25418cad775b3eb549eb8d0c49440576955;hb=198418ee67895817f2fad63f4935540e17cd7117;hpb=bd4d2b0576ec320367769d5720c7a5b4d094ceef

diff --git a/src/search.cpp b/src/search.cpp
index 28fbf254..8f7d263a 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -998,18 +998,12 @@ moves_loop: // When in check, search starts from here
       {
           Depth r = reduction<PvNode>(improving, depth, moveCount);
 
-          if (captureOrPromotion) // (~5 Elo)
-          {
-              // Decrease reduction by comparing opponent's stat score
-              if ((ss-1)->statScore < 0)
-                  r -= ONE_PLY;
-          }
-          else
-          {
-              // Decrease reduction if opponent's move count is high (~5 Elo)
-              if ((ss-1)->moveCount > 15)
-                  r -= ONE_PLY;
+          // Decrease reduction if opponent's move count is high (~10 Elo)
+          if ((ss-1)->moveCount > 15)
+              r -= ONE_PLY;
 
+          if (!captureOrPromotion)
+          {
               // Decrease reduction for exact PV nodes (~0 Elo)
               if (pvExact)
                   r -= ONE_PLY;