Bench: 26606052

TerjeKir · Nov 15, 2023 · 3bf1e9d · 3bf1e9d
1 parent 95562bb
commit 3bf1e9d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/search.c b/src/search.c
@@ -408,6 +408,10 @@ static int AlphaBeta(Thread *thread, Stack *ss, int alpha, int beta, Depth depth
             if (lmrDepth < 3 && ss->histScore < -1024 * depth)
                 continue;
 
+            // Futility pruning
+            if (!inCheck && lmrDepth < 7 && ss->eval + 100 + 150 * depth <= alpha)
+                continue;
+
             // SEE pruning
             if (lmrDepth < 7 && !SEE(pos, move, quiet ? -50 * depth : -85 * depth))
                 continue;