Following features integrated with vbulletin board.
USER CHALLENGE OPTION
-Members may challenge another user to a battle, which will automatically setup the battle if accepted by opponent.
-Sub categories specified by admin
-Admin may setup tournaments, which will be setup as brackets
-Shows users rankings (Wins, Losses, Points, etc...)
More details on how everything should exactly work, will be provided once we get started on this project.
If you can provide a link to your portfolio that would be great.