X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=a9c4c4e787fc69f0d1530f5a1a8b3cca15dd8e42;hp=279802387402906e969f1361eb2051a03a04efe7;hb=f99cb3dc27719021e126690b7fd5aa5f43663ed8;hpb=eed508b4445057cd26bfb95ab5cd754ac96629fd

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 27980238..a9c4c4e7 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -492,7 +492,7 @@ Value do_evaluate(const Position& pos) {
                             : pos.attacks_from<Piece>(s);
 
         if (ei.pinnedPieces[Us] & s)
-            b &= PseudoAttacks[QUEEN][pos.king_square(Us)];
+            b &= LineBB[pos.king_square(Us)][s];
 
         ei.attackedBy[Us][Piece] |= b;
 
@@ -569,7 +569,7 @@ Value do_evaluate(const Position& pos) {
             Square ksq = pos.king_square(Us);
 
             // Penalize rooks which are trapped inside a king. Penalize more if
-            // king has lost right to castle.
+            // king has lost castling availability.
             if (   ((file_of(ksq) < FILE_E) == (file_of(s) < file_of(ksq)))
                 && (rank_of(ksq) == rank_of(s) || relative_rank(Us, ksq) == RANK_1)
                 && !ei.pi->semiopen_on_side(Us, file_of(ksq), file_of(ksq) < FILE_E))