mctrivia: I knew that. I've challenged top players at other games . . . and I explain in the invitation that I'm challenging them for that reason. To send an invitation with no message is a little odd (if not rude).
(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)