Event: Eton Rapidplay 2019

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Opponent Rating Result
Harry Hawkins 75 0 - 1
Eoin Hunter 131 0 - 1
Prisha Mahindra 59 1 - 0
Talia Herberg 78 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-14 = (343 + 400 * (1 - 2)) / 4)

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