X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=a712ce87bb77feca94399d739367e7049e98f3b1;hp=075be835a1aa575f624b1fa2418815b54f67b6c5;hb=11c6cf720d4cdd882bc0f2c36e25910cf77fb57b;hpb=ef4822aa8d5945d490acca674eb1db8c3c38e9d5

diff --git a/src/search.cpp b/src/search.cpp
index 075be835..a712ce87 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -813,7 +813,7 @@ namespace {
     if (   !PvNode
         &&  depth < 9
         &&  eval - futility_margin(depth, improving) >= beta
-        &&  eval < VALUE_KNOWN_WIN) // Do not return unproven wins
+        &&  eval < 15000) // 50% larger than VALUE_KNOWN_WIN, but smaller than TB wins.
         return eval;
 
     // Step 8. Null move search with verification search (~40 Elo)