X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.cpp;h=b8fe7567c569a6a3d633c2d9b086fcd39fafd96d;hp=33768ca4117d099e8fc0a46284a14ea803c60195;hb=2985a6b5d7be8b813da528886ff11265bfac449b;hpb=05f7d59a9a27d9f8bce8bde4e9fed7ecefeb03b9

diff --git a/src/tt.cpp b/src/tt.cpp
index 33768ca4..b8fe7567 100644
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -43,14 +43,15 @@ void TTEntry::save(Key k, Value v, bool pv, Bound b, Depth d, Move m, Value ev)
 
   // Overwrite less valuable entries
   if (  (k >> 48) != key16
-      || d / ONE_PLY > depth8 - 4
+      || d / ONE_PLY + 10 > depth8
       || b == BOUND_EXACT)
   {
       key16     = (uint16_t)(k >> 48);
       value16   = (int16_t)v;
       eval16    = (int16_t)ev;
       genBound8 = (uint8_t)(TT.generation8 | uint8_t(pv) << 2 | b);
-      depth8    = (int8_t)(d / ONE_PLY);
+      assert((d - DEPTH_NONE) / ONE_PLY >= 0);
+      depth8    = (uint8_t)((d - DEPTH_NONE) / ONE_PLY);
   }
 }