No Tempo for draw scores given by heuristic functions

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 11a6fa27db5ff24504d0a08ad9adc3f233318f98..8e6d827eef25f27537cfc4a6e55615e054b03ce6 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -880,7 +880,8 @@ namespace {
         Trace::add(TOTAL, score);
     }
 
-    return pos.side_to_move() == WHITE ? v : -v; // Side to move point of view
+    return  (pos.side_to_move() == WHITE ? v : -v) // Side to move point of view
+           + Eval::Tempo;
   }
 
 } // namespace
@@ -890,7 +891,7 @@ namespace {
 /// evaluation of the position from the point of view of the side to move.
 
 Value Eval::evaluate(const Position& pos) {
-  return Evaluation<NO_TRACE>(pos).value() + Eval::Tempo;
+  return Evaluation<NO_TRACE>(pos).value();
 }
 
 
@@ -904,7 +905,7 @@ std::string Eval::trace(const Position& pos) {
 
   Eval::Contempt = SCORE_ZERO; // Reset any dynamic contempt
 
-  Value v = Evaluation<TRACE>(pos).value() + Eval::Tempo;
+  Value v = Evaluation<TRACE>(pos).value();
 
   v = pos.side_to_move() == WHITE ? v : -v; // Trace scores are from white's point of view