Event: Knock-Out Cup

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Opponent Rating Result
Kate M Donegan 1701 ½ - ½
Alex Vickers 1400 1 - 0
Ed H Goodwin 1904 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1802 = (5005 + 400 * (1 - 0)) / 3)

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