Event: One East

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Opponent Rating Result
Matthew Lunn 2073 0 - 1
Jeff A Goldberg 2110 0 - 1
Robin W Haldane 2148 0 - 1
John M Emms 2500 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1808 = (8831 + 400 * (0 - 4)) / 4)

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