Simplify reduction when best move doesn't change frequently.

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index b8756d381397bd9aeed94a899a1e361695ff3b8d..9bba563a7796ba7ac0f5191e1c804a9f8998bbf9 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1157,7 +1157,6 @@ moves_loop: // When in check, search starts from here
 
           // Increase reduction at root and non-PV nodes when the best move does not change frequently
           if (   (rootNode || !PvNode)
-              && thisThread->rootDepth > 10
               && thisThread->bestMoveChanges <= 2)
               r++;