X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=c48865c637210aa7c41defa21877d936884889ae;hp=a26a9ab8cbc1092d8a34171cc7a5765a2aaf0c48;hb=31ac538f96a54b294e79213d33aacf5d8a182c87;hpb=883367d21749eb91a5a3737338b5a7f507751a5a

diff --git a/src/search.cpp b/src/search.cpp
index a26a9ab8..c48865c6 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -764,7 +764,7 @@ namespace {
                || (ss-2)->staticEval == VALUE_NONE;
 
     // Step 8. Futility pruning: child node (~30 Elo)
-    if (   !rootNode
+    if (   !PvNode
         &&  depth < 7 * ONE_PLY
         &&  eval - futility_margin(depth, improving) >= beta
         &&  eval < VALUE_KNOWN_WIN) // Do not return unproven wins