Event: Hartley

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Opponent Rating Result
Steven M Flaherty 1597 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1197 = (1597 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Joe Barker 1500 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1900 = (1500 + 400 * (1 - 0)) / 1)