Allow a static evaluation to overwrite an exsisting entry

[stockfish] / src / tt.cpp

diff --git a/src/tt.cpp b/src/tt.cpp
index a2ad42d0e54f7af87e53b75fca03eb6a300da340..c10f2e447f724ff3ccff4a6aabfc3e79b0738e9b 100644 (file)
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -121,10 +121,6 @@ void TranspositionTable::store(const Key posKey, Value v, ValueType t, Depth d,
   {
       if (!tte->key() || tte->key() == posKey32) // empty or overwrite old
       {
-          // Do not overwrite when new type is VALUE_TYPE_EV_LO
-          if (tte->key() && t == VALUE_TYPE_EV_LO)
-              return;
-
           // Preserve any exsisting ttMove
           if (m == MOVE_NONE)
               m = tte->move();