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Event: Open Division 2 B

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Opponent Rating Result
David W Gostelow 0 ½ - ½
Roger Hart 0 1 - 0
Richard Thurstans 150 1 - 0
George I Miller 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

338 = (150 + 400 * (3 - 0)) / 4)

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