Event: Points Trophy

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Opponent Rating Result
Paul A Chaplin 1480 1 - 0
John Faulkner 0 0 - 1
John Faulkner 0 0 - 1
Stuart MacDonald 1840 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

630 = (3320 + 400 * (1 - 3)) / 4)

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