BrainKing - 讨论板 (Chess)

Chess

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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)

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11. 三月 2003, 08:24:55

Hannelore

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题目: 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