playBunny: That is a good idea - I was going to say "random", but keeping the "highest" would probable be best. Then again, if the person does not like it, they can always switch it around.

Another thing that needs to be thought of are inactive players. It would be unfair to keep an inactive player in a stair - since everyone would just challenge them to get an easy time-out win.

Maybe some sort of process that runs monthly to remove (retire) players who have been gone for more then a month - or something similar.