// Move must not be MOVE_NONE !
- return ( !square_is_empty(move_to(m))
- && (color_of_piece_on(move_to(m)) != color_of_piece_on(move_from(m)))
- )
- || move_is_ep(m);
+ return (!square_is_empty(move_to(m)) && !move_is_castle(m)) || move_is_ep(m);
}
#endif // !defined(POSITION_H_INCLUDED)