X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=48e305efebf569bf1f672168a0f5da293fe748cf;hp=f1bb861dcca629e08de695df7bb0c8ff4ccf0b2f;hb=e917bd59b1e317c6b48dc676473359fdfb86d9d4;hpb=79e3710fd224e6e052f6bc5420a8f8f03bf41e18

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index f1bb861d..48e305ef 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -309,7 +309,7 @@ namespace {
         attackedBy[Us][Pt] |= b;
         attackedBy[Us][ALL_PIECES] |= b;
 
-        if (b & kingRing[Them])
+        if (b & kingRing[Them] & ~double_pawn_attacks_bb<Them>(pos.pieces(Them, PAWN)))
         {
             kingAttackersCount[Us]++;
             kingAttackersWeight[Us] += KingAttackWeights[Pt];
@@ -381,7 +381,7 @@ namespace {
             {
                 File kf = file_of(pos.square<KING>(Us));
                 if ((kf < FILE_E) == (file_of(s) < kf))
-                    score -= (TrappedRook - make_score(mob * 22, 0)) * (1 + !pos.can_castle(Us));
+                    score -= (TrappedRook - make_score(mob * 22, 0)) * (1 + !pos.castling_rights(Us));
             }
         }
 
@@ -512,7 +512,7 @@ namespace {
     Score score = SCORE_ZERO;
 
     // Non-pawn enemies
-    nonPawnEnemies = pos.pieces(Them) ^ pos.pieces(Them, PAWN);
+    nonPawnEnemies = pos.pieces(Them) & ~pos.pieces(Them, PAWN);
 
     // Squares strongly protected by the enemy, either because they defend the
     // square with a pawn, or because they defend the square twice and we don't.