X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=88af08404d7cdae7c44d381f499763fd9877c119;hp=cb16798dc427fcc30162a9f346c0402aac680a95;hb=c80d52c845357db880817d6ed91d02986b5d5384;hpb=a6d6a2c2fad093a47b575ee4cfb8d346ba037fb3

diff --git a/src/search.cpp b/src/search.cpp
index cb16798d..88af0840 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -82,7 +82,7 @@ namespace {
   // History and stats update bonus, based on depth
   Value stat_bonus(Depth depth) {
     int d = depth / ONE_PLY ;
-    return Value(d * d + 2 * d - 2);
+    return d > 17 ? VALUE_ZERO : Value(d * d + 2 * d - 2);
   }
 
   // Skill structure is used to implement strength limit