Event: SCCU County Championship: u2050

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Opponent Rating Result
Jonathan M Eckert 1837 1 - 0
Alan VH Sands 1825 ½ - ½
Adam Sefton 1803 0 - 1
Paul Kennelly 1848 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1828 = (7313 + 400 * (1 - 1)) / 4)

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