Tourney Formats
Tournament games can very greatly, but here are some details that I hope will help you (basically, a tourney can be made up of any combination of the following options):
1) 3 - 10 Player per Team
2) 5 - 15 Minute Games
3) Center Flag, Double Flag, or Triple Flag
4) 2 - 3 Teams per Game
5) Limited or Unlimited Paint
These are only guidelines and tournaments game can be different form this, but they do cover the most popular formats. For example, you can have a Seven-Player, 10-Minute, Double Flag (i.e. a flag in each base camp), Two Teams, Unlimited Paint format. Or a Three-Player, 8-Minute, Triple-Flag, Three Team, Limited Paint format.
If I've missed anything out, somebody correct me please. Hope that helps - ask if you need any more info.