Looks like thread numbers just increment 1 by 1. See how this thread is number 529928?
This is the earliest thread by numeric checking from 1 that I can see. Seems the other three have been moved somewhere I don't have access - so could be in old staff boards or test boards or something.
http://forum.toribash.com/showthread.php?t=4
Toribash is turn based fighting game for one or more players. The emphasis is on tactics rather than reaction.
Please view the homepage for videos on Toribash: www.toribash.com