Simplify search results update

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 945fb4e44299dafab044810ac09ae72d4e6c0142..68984802e5193185aae5b3f648173563948bd94d 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -530,7 +530,7 @@ Value do_evaluate(const Position& pos, Value& margin) {
 
         // Bishop and knight outposts squares
         if (    (Piece == BISHOP || Piece == KNIGHT)
-            && !(pos.pieces(Them, PAWN) & attack_span_mask(Us, s)))
+            && !(pos.pieces(Them, PAWN) & pawn_attack_span(Us, s)))
             score += evaluate_outposts<Piece, Us>(pos, ei, s);
 
         if (  (Piece == ROOK || Piece == QUEEN)
@@ -989,7 +989,7 @@ Value do_evaluate(const Position& pos, Value& margin) {
             // black pawns: a4, b4 white: b2 then pawn in b4 is giving support.
             if (!opposed)
             {
-                b2 = supporters & in_front_bb(winnerSide, blockSq + pawn_push(winnerSide));
+                b2 = supporters & in_front_bb(winnerSide, rank_of(blockSq + pawn_push(winnerSide)));
 
                 while (b2) // This while-loop could be replaced with LSB/MSB (depending on color)
                 {
@@ -999,7 +999,7 @@ Value do_evaluate(const Position& pos, Value& margin) {
             }
 
             // Check pawns that can be sacrificed against the blocking pawn
-            b2 = attack_span_mask(winnerSide, blockSq) & candidates & ~(1ULL << s);
+            b2 = pawn_attack_span(winnerSide, blockSq) & candidates & ~(1ULL << s);
 
             while (b2) // This while-loop could be replaced with LSB/MSB (depending on color)
             {