Restore LMR depth limit

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index f0bbf0fdecd013362a81f5037cb8d539e8c0495e..6f3d6df2fcfb65e690c3a585ad2100ba003c3bcd 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -970,7 +970,7 @@ split_point_start: // At split points actual search starts from here
 
       // Step 15. Reduced depth search (LMR). If the move fails high will be
       // re-searched at full depth.
-      if (   depth > 4 * ONE_PLY
+      if (   depth > 3 * ONE_PLY
           && !isPvMove
           && !captureOrPromotion
           && !dangerous