X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=2ec2729cf3a256efcdeaa53a2fc0ca5a725a20ee;hp=e6c901ea2c98793e68ae7a17927a12fdefa65af5;hb=cff9a8672c1da7d36bc54d168d10ea2b1ce5c728;hpb=474d133565564146ec28878afca54739cc4e22d2

diff --git a/src/position.h b/src/position.h
index e6c901ea..2ec2729c 100644
--- a/src/position.h
+++ b/src/position.h
@@ -430,7 +430,7 @@ inline void Position::move_piece(Piece pc, Square from, Square to) {
 
   // index[from] is not updated and becomes stale. This works as long as index[]
   // is accessed just by known occupied squares.
-  Bitboard fromTo = square_bb(from) | square_bb(to);
+  Bitboard fromTo = from | to;
   byTypeBB[ALL_PIECES] ^= fromTo;
   byTypeBB[type_of(pc)] ^= fromTo;
   byColorBB[color_of(pc)] ^= fromTo;