I didn't even KNOW there was such a thing. Do some players on here use them? Is that why it is so difficult to win a game? Or is it that I am too 'thick' :-)
(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)