Always clear history and killer moves, no matter if ponder hit

lynx-chess · Oct 23, 2023 · 5fc687e · 5fc687e
1 parent 09af3da
commit 5fc687e
Showing 1 changed file with 3 additions and 11 deletions.
diff --git a/src/Lynx/Search/IDDFS.cs b/src/Lynx/Search/IDDFS.cs
@@ -120,19 +120,11 @@ public sealed partial class Engine
 
                 await _engineWriter.WriteAsync(InfoCommand.SearchResultInfo(lastSearchResult));
 
-                for (int d = 0; d < Configuration.EngineSettings.MaxDepth - 2; ++d)
-                {
-                    _killerMoves[0, d] = _previousKillerMoves[0, d + 2];
-                    _killerMoves[1, d] = _previousKillerMoves[1, d + 2];
-                }
-
                 depth = lastSearchResult.Depth + 1; // Already reduced by 2
             }
-            else
-            {
-                Array.Clear(_killerMoves);
-                Array.Clear(_historyMoves);
-            }
+
+            Array.Clear(_killerMoves);
+            Array.Clear(_historyMoves);
 
             do
             {