Event: Division Three

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Opponent Rating Result
John Polanyk 1830 0 - 1
Noel Wright 1401 ½ - ½
Noel Wright 1401 1 - 0
Alfredo Ramos-Alvarez 1683 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1679 = (6315 + 400 * (2 - 1)) / 4)

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