Czuch: Yep. I quite agree. Only one hour ago an opponent of mine sent me a message informing me that he had just accepted my double by mistake! Colour-coded buttons and a nice checkbox. Dead easy!
(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)