Bitboard hidden_checkers(Square ksq, Color c, Color toMove) const;
void put_piece(Square s, Color c, PieceType pt);
void remove_piece(Square s, Color c, PieceType pt);
Bitboard hidden_checkers(Square ksq, Color c, Color toMove) const;
void put_piece(Square s, Color c, PieceType pt);
void remove_piece(Square s, Color c, PieceType pt);