X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fposition.cpp;h=40ebb959575fd457985b19554b8bd988bc77bc6d;hb=86ee4eb84d54dac3f9de5b455ba41909c7722173;hp=fefce56e2aa1088621a755f393e390cca534acae;hpb=ddcbacd04d1c860e808202ce8c1206c8acdca627;p=stockfish

diff --git a/src/position.cpp b/src/position.cpp
index fefce56e..40ebb959 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -306,7 +306,7 @@ void Position::set_castling_right(Color c, Square rfrom) {
   Square rto = relative_square(c, cr & KING_SIDE ? SQ_F1 : SQ_D1);
 
   castlingPath[cr] =   (between_bb(rfrom, rto) | between_bb(kfrom, kto) | rto | kto)
-                    & ~(square_bb(kfrom) | rfrom);
+                    & ~(kfrom | rfrom);
 }
 
 
@@ -666,7 +666,7 @@ bool Position::gives_check(Move m) const {
   case CASTLING:
   {
       Square kfrom = from;
-      Square rfrom = to; // Castling is encoded as 'King captures the rook'
+      Square rfrom = to; // Castling is encoded as 'king captures the rook'
       Square kto = relative_square(sideToMove, rfrom > kfrom ? SQ_G1 : SQ_C1);
       Square rto = relative_square(sideToMove, rfrom > kfrom ? SQ_F1 : SQ_D1);