X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.h;h=70283fca29bff341fd7d06d23ac12bacfdf8a66e;hp=d2f1ce65c17053475bd1797404dc209972dd07db;hb=20023ac9b8c28d8b15308d7bf5be4fad8501535d;hpb=9742fb10fd83e82ad760e4cac5cef3d6dff670ed

diff --git a/src/tt.h b/src/tt.h
index d2f1ce65..70283fca 100644
--- a/src/tt.h
+++ b/src/tt.h
@@ -1,7 +1,8 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2016 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -49,7 +50,7 @@ struct TTEntry {
 
     // Don't overwrite more valuable entries
     if (  (k >> 48) != key16
-        || d > depth8 - 2
+        || d > depth8 - 4
      /* || g != (genBound8 & 0xFC) // Matching non-zero keys are already refreshed by probe() */
         || b == BOUND_EXACT)
     {