I am not entirely sure, but it could be you have to register your Mii name somewhere, basically. I will see.
Rol however will host a game tonight however, look here:
http://www.vgchartz.com/forum/thread.php?id=23350&start=50
Normaly it should be no problem to count those, but please make sure you write down the places of the GB (Mii names in order).
I don't know how much time I have this week, but lets hope I get that bot in basic mode up and running soon.
Join up to the VGC Mario Kart Wii GP European League!
Or the VGC Mario Kart Wii GP Australian League!
Or the VGC Mario Kart Wii GP American League!
Or the VGC Halo 3 American League!
Or the VGC Call Of Duty PS3 League!