No problem! But just so you know, you can change the date to sign up at any time you want, and even when that date passes, the tournament will not start until you start it! I assume it just will not let you start it before then, but i haven't tried, so i wouldn't know :-)
(hide) If you want to play a game with an opponent of a similar level, you can define a required BKR range for a new game invitation. Then nobody with a BKR outside this range will be able to see/accept it. (Katechka) (show all tips)