By slow chess I mean 90 30. Join the 90/30 tournament #2 and gain a rating! http://en.lichess.org/forum/general-chess-discussion/9030-tournament-2 (This is the forum where the information you need and how to join is located). To directly join just join: http://en.lichess.org/team/9030-tournament-2 It is recommended you read the forum post first. If you wish to know your rating your should message Tournaments.
Thanks,
enjoy.
Thanks,
enjoy.