Event: Division Five

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Opponent Rating Result
Islem Mahmoud 82 1 - 0
Joel Mitchell 90 ½ - ½
Robert Trevis 61 1 - 0
Brian Jones 60 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

273 = (293 + 400 * (2 - 0)) / 4)

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