X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fbitboard.h;h=d21d390b1fbe825b9a73e8c9c579996fb66c0965;hb=af110e02ec96cdb46cf84c68252a1da15a902395;hp=d4485fcbefcb2766828e57ad3c56413c4df7a6b2;hpb=b60f9cc4515cdfb657a0166abb29a60257cc59e1;p=stockfish

diff --git a/src/bitboard.h b/src/bitboard.h
index d4485fcb..d21d390b 100644
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -25,13 +25,6 @@
 
 namespace Stockfish {
 
-namespace Bitbases {
-
-void init();
-bool probe(Square wksq, Square wpsq, Square bksq, Color us);
-
-} // namespace Stockfish::Bitbases
-
 namespace Bitboards {
 
 void init();
@@ -74,7 +67,6 @@ constexpr Bitboard KingFlank[FILE_NB] = {
 extern uint8_t PopCnt16[1 << 16];
 extern uint8_t SquareDistance[SQUARE_NB][SQUARE_NB];
 
-extern Bitboard SquareBB[SQUARE_NB];
 extern Bitboard BetweenBB[SQUARE_NB][SQUARE_NB];
 extern Bitboard LineBB[SQUARE_NB][SQUARE_NB];
 extern Bitboard PseudoAttacks[PIECE_TYPE_NB][SQUARE_NB];
@@ -108,7 +100,7 @@ extern Magic BishopMagics[SQUARE_NB];
 
 inline Bitboard square_bb(Square s) {
   assert(is_ok(s));
-  return SquareBB[s];
+  return (1ULL << s);
 }