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Event: U1825 Group A

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Opponent Rating Result
Neil J Roberts 152 1 - 0
Eddie Czestochowski 152 ½ - ½
David C May 152 ½ - ½
Grant Randall 152 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

352 = (608 + 400 * (2 - 0)) / 4)

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