X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=b6085b7312c49c22389de90a459decdc5a1bb41e;hp=147a1b3e90b5eb788fcbcdbb359f08792b91c293;hb=fc316cbca97976521a867e979a36e5ec2c40311f;hpb=94a3608ab9f2334784ac3b111dc79c9eb5e33ba3

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 147a1b3e..b6085b73 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -530,10 +530,17 @@ Value do_evaluate(const Position& pos, Value& margin) {
         if (Piece == BISHOP)
             score -= BishopPawns * ei.pi->pawns_on_same_color_squares(Us, s);
 
-        // Bishop and knight outposts squares
-        if (    (Piece == BISHOP || Piece == KNIGHT)
-            && !(pos.pieces(Them, PAWN) & pawn_attack_span(Us, s)))
-            score += evaluate_outposts<Piece, Us>(pos, ei, s);
+        if (Piece == BISHOP || Piece == KNIGHT)
+        {
+            // Bishop and knight outposts squares
+            if (!(pos.pieces(Them, PAWN) & pawn_attack_span(Us, s)))
+                score += evaluate_outposts<Piece, Us>(pos, ei, s);
+
+            // Pawn in front of knight/bishop
+            if (    relative_rank(Us, s) < RANK_5
+                && (pos.pieces(PAWN) & (s + pawn_push(Us))))
+                score += make_score(16, 0);
+        }
 
         if (  (Piece == ROOK || Piece == QUEEN)
             && relative_rank(Us, s) >= RANK_5)
@@ -1140,8 +1147,6 @@ Value do_evaluate(const Position& pos, Value& margin) {
 
   std::string Tracing::do_trace(const Position& pos) {
 
-    Search::RootColor = pos.side_to_move();
-
     stream.str("");
     stream << std::showpoint << std::showpos << std::fixed << std::setprecision(2);
     std::memset(scores, 0, 2 * (TOTAL + 1) * sizeof(Score));