Event: Two East

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Opponent Rating Result
Steve Sonnis 1623 ½ - ½
Jack Macnamara 1405 1 - 0
Igor Naumov 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1009 = (3028 + 400 * (1 - 1)) / 3)

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