X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=b58d4a03dca3b7d291a6a84fbc49ccbd7174e198;hp=6308f472e37e75cd747ebcfe27e157aae2821ce3;hb=64a6138d3736babad0f0d9758e3d0e5475f477dd;hpb=4e2bb8fa44fe03a2fdb2d3448ac93986354bf9ae

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 6308f472..b58d4a03 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -274,6 +274,7 @@ namespace {
             kingRing[Us] |= shift<EAST>(kingRing[Us]);
 
         kingAttackersCount[Them] = popcount(kingRing[Us] & pe->pawn_attacks(Them));
+        kingRing[Us] &= ~double_pawn_attacks_bb<Us>(pos.pieces(Us, PAWN));
         kingAttacksCount[Them] = kingAttackersWeight[Them] = 0;
     }
   }
@@ -309,7 +310,7 @@ namespace {
         attackedBy[Us][Pt] |= b;
         attackedBy[Us][ALL_PIECES] |= b;
 
-        if (b & kingRing[Them] & ~double_pawn_attacks_bb<Them>(pos.pieces(Them, PAWN)))
+        if (b & kingRing[Them])
         {
             kingAttackersCount[Us]++;
             kingAttackersWeight[Us] += KingAttackWeights[Pt];