X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=c50d14c21aac50605e6a58d87fddbe83d49e285f;hp=48c6e8ea1d7befaee0235485fcd07a4a28b5c412;hb=f0f6da2d30fc005fd0fa126ee1eefd11fe10a604;hpb=62937d1007e0f97e629f376adca4f4ad738e95d1

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 48c6e8ea..c50d14c2 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -275,6 +275,12 @@ namespace {
         if (relative_rank(Us, pos.square<KING>(Us)) == RANK_1)
             kingRing[Us] |= shift<Up>(kingRing[Us]);
 
+        if (file_of(pos.square<KING>(Us)) == FILE_H)
+            kingRing[Us] |= shift<WEST>(kingRing[Us]);
+
+        else if (file_of(pos.square<KING>(Us)) == FILE_A)
+            kingRing[Us] |= shift<EAST>(kingRing[Us]);
+
         kingAttackersCount[Them] = popcount(attackedBy[Us][KING] & pe->pawn_attacks(Them));
         kingAttacksCount[Them] = kingAttackersWeight[Them] = 0;
     }