X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=496df5db93f18d553f2634bcdcfa07a927fabea4;hp=7eab970a866ea27f30f3a500240affc98fac1b8b;hb=4095ff0ee51bdc76c247bd11d5f3a7008974e2ad;hpb=b2edac7075ca238326378cb2c5ef09f7cdb2fd9e

diff --git a/src/search.cpp b/src/search.cpp
index 7eab970a..496df5db 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -958,10 +958,9 @@ moves_loop: // When in check and at SpNode search starts from here
                                         [pos.piece_on(to_sq(move))][to_sq(move)] <= VALUE_ZERO))
               ss->reduction += ONE_PLY;
 
-          if (    move == countermove
-              || (   History[pos.piece_on(to_sq(move))][to_sq(move)] > VALUE_ZERO
-                  && CounterMovesHistory[pos.piece_on(prevMoveSq)][prevMoveSq]
-                                        [pos.piece_on(to_sq(move))][to_sq(move)] > VALUE_ZERO))
+          if (   History[pos.piece_on(to_sq(move))][to_sq(move)] > VALUE_ZERO
+              && CounterMovesHistory[pos.piece_on(prevMoveSq)][prevMoveSq]
+                                    [pos.piece_on(to_sq(move))][to_sq(move)] > VALUE_ZERO)
               ss->reduction = std::max(DEPTH_ZERO, ss->reduction - ONE_PLY);
 
           // Decrease reduction for moves that escape a capture