Cant find gamertag for tournament?

Is anyone else having this problem, i regestered and have the email in my inbox and everything and when i type in my gamertag to see how im doing in the standings and it says its not a real gamertag, WTF?. im not going to spend another 7 hours nerding out if im not going to be getting points, anyone else have any type of info for me? my gamertag is PR0PHECYYY