X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=cf98ca35af3878dbfd5043da2446970236c1157f;hp=4139ef96b707afa81baec5e5d19a7fbf2d7a28c9;hb=aba152ea3a0b97c1df7aab3a909d52349bdf6c76;hpb=7f9ebf8e86e90ea1eb68388f1be12503a3f31e56;ds=sidebyside

diff --git a/src/search.cpp b/src/search.cpp
index 4139ef96..cf98ca35 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -826,7 +826,8 @@ split_point_start: // At split points actual search starts from here
           && !inCheck
           && !dangerous
           &&  move != ttMove
-          && (bestValue > VALUE_MATED_IN_MAX_PLY || bestValue == -VALUE_INFINITE))
+          && (bestValue > VALUE_MATED_IN_MAX_PLY || (   bestValue == -VALUE_INFINITE
+                                                     && alpha > VALUE_MATED_IN_MAX_PLY)))
       {
           // Move count based pruning
           if (   depth < 16 * ONE_PLY