Event: SCCU County Championship: u1850

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Opponent Rating Result
Zac Welling 1698 0 - 1
Ian McAllan 1816 1 - 0
Alan VH Sands 1825 0 - 1
Steve Madden 1842 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1595 = (7181 + 400 * (1 - 3)) / 4)

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