X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=c0a982363403ccae483d2fc5a00796e2323a06f6;hp=e2ab9cd933db6bd0774c27a456985f92292db96a;hb=d34bb889b185e6796bbebb9bb3c2b85c8132d7cb;hpb=a3a0df92a3ed5ce7c98ff596e687d3d6533590c8

diff --git a/src/search.cpp b/src/search.cpp
index e2ab9cd9..c0a98236 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -19,6 +19,7 @@
 
 #include <algorithm>
 #include <cassert>
+#include <cfloat>
 #include <cmath>
 #include <cstring>
 #include <iostream>
@@ -440,6 +441,7 @@ namespace {
 
             // Stop search early if one move seems to be much better than others
             if (    depth >= 12
+                &&  BestMoveChanges <= DBL_EPSILON
                 && !stop
                 &&  PVSize == 1
                 &&  bestValue > VALUE_MATED_IN_MAX_PLY