break if hitting depth 0 after lmr, 12.66 +/- 8.04

tsoj · Jun 7, 2024 · 5bf3a1e · 5bf3a1e
1 parent 5281d7d
commit 5bf3a1e
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/search.nim b/src/search.nim
@@ -137,12 +137,15 @@ func search(
       newDepth = lmrDepth(newDepth, lmrMoveCounter)
       lmrMoveCounter += 1
 
+      if newDepth <= 0:
+        break
+
     # futility reduction
     if moveCounter >= minMoveCounterFutility() and newDepth > 0:
       newDepth -= futilityReduction(alpha + state.doEval(newPosition))
 
-    if newDepth <= 0:
-      continue
+      if newDepth <= 0:
+        continue
 
     # first explore with null window
     if hashResult.isEmpty or hashResult.bestMove != move or