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.
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Perhaps after a post has been deleted then the posts about the post can be deleted too. Then people won't write posts about the post about the post or post about posts that aren't the post. And there certainly won't be any call for posts about the posts about the posts.
(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)