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 Chess

Chess Discussion

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- invitations to games (you can also use the New Game menu or go straight to the Chess Invitation)
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11. Marzo 2003, 08:24:55
Hannelore 
Asunto: Re: Ratings
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

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