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Event: Season 1 Division 2

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Opponent Rating Result
Hanif Zaman 0 0 - 1
Mike E Smith 0 ½ - ½
David Richardson 1753 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

318 = (1753 + 400 * (0 - 2)) / 3)

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