To find out what stairs you can currently challenge someone in, first go to the Main Stairs Page, then click on "Show your stairs only" link. The ones in BOLD are ones you can make a challenge in. .
VA_M.O.N.E.Y.: Lots of things have to be taken into account, firstly they might not even be on the site when you challenged them, also they might have a lot of games to play and yours will be delt to in the process of time. Stay cool lifes to short to speed it up.
(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)