X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;fp=src%2Fevaluate.cpp;h=20d1059e56857283714e10ebd6eedd588d30e4b5;hp=1988e20ec50ce117fc72fcdc7aa9691ef5d2694e;hb=764b9adda6cf59719b5c9c8a75d2a2e696395709;hpb=d00b2ec6bdd63bd88f5553b81b5da88bb298cb4f

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 1988e20e..20d1059e 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -225,9 +225,9 @@ namespace {
     // Find our pawns that are blocked or on the first two ranks
     Bitboard b = pos.pieces(Us, PAWN) & (shift<Down>(pos.pieces()) | LowRanks);
 
-    // Squares occupied by those pawns, by our king or queen or controlled by
-    // enemy pawns are excluded from the mobility area.
-    mobilityArea[Us] = ~(b | pos.pieces(Us, KING, QUEEN) | pe->pawn_attacks(Them));
+    // Squares occupied by those pawns, by our king or queen, by blockers to attacks on our king
+    // or controlled by enemy pawns are excluded from the mobility area.
+    mobilityArea[Us] = ~(b | pos.pieces(Us, KING, QUEEN) | pos.blockers_for_king(Us) | pe->pawn_attacks(Them));
 
     // Initialize attackedBy[] for king and pawns
     attackedBy[Us][KING] = pos.attacks_from<KING>(ksq);