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. .
playBunny: A top dice roller (no name!) said to me not long ago "To play 17-1800 rated players is to steal candy from kids"..then i cant understand the fear for losing BKR...can you?