Event: Eton Rapidplay 2019

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Opponent Rating Result
Jack Chaudhury 104 0 - 1
Kathryn Thomas 79 0 - 1
Krishna Lee 50 0 - 1
Neo Cheuk Yuen Liu 50 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-329 = (283 + 400 * (0 - 4)) / 4)

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