Event: Division Six

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Opponent Rating Result
Dean Barrett 83 1 - 0
Des J Green 49 ½ - ½
Taysir Abdi 0 1 - 0
Peter Nixon 88 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

355 = (220 + 400 * (3 - 0)) / 4)

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