Event: Knotty Ash Cup

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Opponent Rating Result
William KT Cook 1525 ½ - ½
Chris Kaye 1548 1 - 0
Tom EC Webb 1653 ½ - ½
Barbara Novak 1683 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1802 = (6409 + 400 * (2 - 0)) / 4)

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