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From	Message
gibo play-chess-online.com chess 4/27/2006 18:50:20 play online chess	Subject: How to calculate performance ratings? Message: Can someone please tell me how you calculate performance ratings for an 11 round tournament, I know average rating of opponents is relavent, but how do you work it out?
mean_guy183 play-chess-online.com chess 4/27/2006 20:38:37 play online chess	POMG Message: -> chess.about.com <--- go there

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