Event: 480 Max

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Opponent Rating Result
George Mitchell 75 0 - 1
Matthew Little 110 0 - 1
George Mitchell 75 0 - 1
Matthew Little 110 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-308 = (370 + 400 * (0 - 4)) / 4)

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