Event: Division Two

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Opponent Rating Result
Mehdi Kosari 0 ½ - ½
Gautam R Jain 182 0 - 1
Jeremy Law 173 ½ - ½
Chris J Todd 169 0 - 1
Robert C Stern 169 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

59 = (693 + 400 * (1 - 2)) / 5)

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