Cache evaluation score in qsearch

[stockfish] / src / tt.cpp

diff --git a/src/tt.cpp b/src/tt.cpp
index 185410e6aae307c07a211364f21800973102e202..c88aef486e3e6f3a755f0f4daee7f7ab04b6e107 100644 (file)
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -137,7 +137,7 @@ void TranspositionTable::store(const Position &pos, Value v, Depth d,
 /// transposition table. Returns a pointer to the TTEntry or NULL
 /// if position is not found.
 
-const TTEntry* TranspositionTable::retrieve(const Position &pos) const {
+TTEntry* TranspositionTable::retrieve(const Position &pos) const {
 
   TTEntry *tte = first_entry(pos);
 
@@ -182,7 +182,7 @@ void TranspositionTable::insert_pv(const Position &pos, Move pv[]) {
 
   for (int i = 0; pv[i] != MOVE_NONE; i++)
   {
-    store(p, VALUE_NONE, Depth(0), pv[i], VALUE_TYPE_NONE);
+    store(p, VALUE_NONE, Depth(-127*OnePly), pv[i], VALUE_TYPE_NONE);
     p.do_move(pv[i], st);
   }
 }