Event: Atherton- Club Junior Rapidplay

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Opponent Rating Result
Austin Barnett 0 0 - 1
Patrick Zhao 0 0 - 1
Jimmy Feng 0 ½ - ½
Nathaniel Tidswell 0 1 - 0
Ethan Fuller 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-80 = (0 + 400 * (1 - 2)) / 5)

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