Event: Eton Rapidplay 2019

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Opponent Rating Result
Amelia Keogh 0 1 - 0
Jonathan CH Lee 106 1 - 0
Kiran Lee 132 0 - 1
Leo Yu 143 0 - 1
Jake H Horton 94 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

15 = (475 + 400 * (2 - 3)) / 5)

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