Event: MCA U7200

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Opponent Rating Result
E Dave Williams 2000 0 - 1
Bahkti Vasiev 1718 ½ - ½
David G Owens 1832 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1850 = (5550 + 400 * (1 - 1)) / 3)

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