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Event: Season 3 Division 4

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Opponent Rating Result
Feitong Wu 1503 ½ - ½
Sam Neil 1398 0 - 1
Deborah Edmundson 0 0 - 1
Anthony Sweeting 1550 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

813 = (4451 + 400 * (0 - 3)) / 4)

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