For posting:
- invitations to games (you can also use the New Game menu)
- information about upcoming tournaments
- discussion of games (please limit this to completed games or discussion on how a game has arrived at a certain position ... speculation on who has an advantage or the benefits of potential moves is not permitted)
- links to interesting related sites (non-promotional)
Lightbug: Another interesting thing which I have only just realised is that black cannot win by "winning rule" number 3 ... here is a link to the rules Massacre Chess Rules