Event: Division 4

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Opponent Rating Result
Paul Davies 1532 1 - 0
Adrian Grimes 1390 1 - 0
Solomon Hayes 1656 0 - 1
George Mitchell 1453 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1708 = (6031 + 400 * (3 - 1)) / 4)

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