Account for Tempo in do_evaluate()

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index ae52d203ffc0b565b317aa1d945de1bd468b71b3..acda65fb45ab7002bda6bb36cb1f1599abe8dff5 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -626,13 +626,13 @@ namespace {
   }
 
 
-  // evaluate_unstoppable_pawns() scores the most advanced among the passed and
-  // candidate pawns. In case both players have no pieces but pawns, this is
-  // somewhat related to the possibility that pawns are unstoppable.
+  // evaluate_unstoppable_pawns() scores the most advanced passed pawn. In case
+  // both players have no pieces but pawns, this is somewhat related to the
+  // possibility that pawns are unstoppable.
 
   Score evaluate_unstoppable_pawns(Color us, const EvalInfo& ei) {
 
-    Bitboard b = ei.pi->passed_pawns(us) | ei.pi->candidate_pawns(us);
+    Bitboard b = ei.pi->passed_pawns(us);
 
     return b ? Unstoppable * int(relative_rank(us, frontmost_sq(us, b))) : SCORE_ZERO;
   }
@@ -693,7 +693,7 @@ namespace {
     // If we have a specialized evaluation function for the current material
     // configuration, call it and return.
     if (ei.mi->specialized_eval_exists())
-        return ei.mi->evaluate(pos);
+        return ei.mi->evaluate(pos) + Eval::Tempo;
 
     // Probe the pawn hash table
     ei.pi = Pawns::probe(pos, thisThread->pawnsTable);
@@ -793,7 +793,7 @@ namespace {
         Tracing::sf = sf;
     }
 
-    return pos.side_to_move() == WHITE ? v : -v;
+    return (pos.side_to_move() == WHITE ? v : -v) + Eval::Tempo;
   }
 
 
@@ -872,7 +872,7 @@ namespace Eval {
   /// of the position always from the point of view of the side to move.
 
   Value evaluate(const Position& pos) {
-    return do_evaluate<false>(pos) + Tempo;
+    return do_evaluate<false>(pos);
   }