Event: Division 3

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Opponent Rating Result
Eugene Husband 0 0 - 1
Peter Newton 1532 0 - 1
Rod B Newbery 1759 0 - 1
Peter F Saunders 1324 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

954 = (4615 + 400 * (1 - 3)) / 4)

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