Event: SCCU County Championship: u2050

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Opponent Rating Result
Greg Billenness 1862 1 - 0
Jerry Anstead 1911 ½ - ½
D Ian W Reynolds 1898 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2157 = (5671 + 400 * (2 - 0)) / 3)

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