Bench: 16641667

TerjeKir · Sep 9, 2023 · 91a05ed · 91a05ed
1 parent 0829854
commit 91a05ed
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.c b/src/search.c
@@ -310,7 +310,7 @@ static int AlphaBeta(Thread *thread, Stack *ss, int alpha, int beta, Depth depth
     if (cutnode && depth >= 7 && !ttMove)
         depth--;
 
-    if (ttHit && ttScore <= alpha && ttBound != BOUND_LOWER && ttDepth >= depth)
+    if (ttHit && depth >= 4 && ttScore <= alpha && ttBound != BOUND_LOWER && ttDepth > depth - 3)
         depth--;
 
     // Skip pruning in check, pv nodes, early iterations, when proving singularity, looking for terminal scores, or after a null move