I haven't created a pond yet, do you have the ability to eject people from a pond you create? (Like tournaments) Because then you could just kick out people who aren't in the fellowship..
(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)