Converted all of Robyrt's FAQ/Guides to wiki code for easier online reading. If you want to read them the manual way or see his web-page the link is listed below.
Guides
robyrt_faq - The main FAQ, one of the best resources on OMF2097.
robyrt_unranked - Info about unranked challengers and requirements.
robyrt_fireice - The 1 Player specific hidden opponents.