Not really a way to tell...but you can click on the link for a room and if it opens that and the other chess window says "server disc." then you know that's the room you were in.

www.flyordie.com/chess/index.html

If u go there and click a room..;)

That should take ya there.. then click a room and u should go into it unless its  full when u waitr after the 20 secs.

Socom

Socom..I just said the same exact thing :|