Event: E Division

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Opponent Rating Result
Paul Curran 1548 0 - 1
Simon Bailey 1345 0 - 1
Harry Giles 1200 ½ - ½
Ryan Chattopadhyay 1255 0 - 1
David Otaryan 1220 0 - 1
Dave Bellis 1431 0 - 1
Roy Bywater 1400 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1000 = (9399 + 400 * (0 - 6)) / 7)

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