Event: Tonbridge Qualifier

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Opponent Rating Result
Orhan Ozgur 1427 1 - 0
Justin C Leung 0 1 - 0
Dmitry Belousov 82 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

770 = (1509 + 400 * (2 - 0)) / 3)

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