For posting: - invitations to games (you can also use the New Game menu or go straight to the Chess Invitation) - 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)
Four games gives you a provisional rating and after 25 games you will gave an established BKR.
BKR. BKR means "BrainKing Rating" and is calculated by US Chess Federation formula(*) for each kind of a game separately according to your game results. Click on a game type to get the current list of rated players sorted by their BKR.
Formula can be found:
http://math.bu.edu/people/mg/ratings/approx/approx.html
(hide) If you click on a person's name and then click Finished games you will have a list of games that have been completed, then click on the name of the game to get a summary of all of these games, then click on the name of the game again and you will have a game to view and analyze. (Servant) (show all tips)