Event: Knotty Ash Cup

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Opponent Rating Result
Ron J Champion 1413 1 - 0
Tony Egerton 0 1 - 0
Christopher Brocklebank 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

738 = (1413 + 400 * (2 - 0)) / 3)

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