Event: 24th October - Internal Rapidplay

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Opponent Rating Result
Ethan Holland 1616 0 - 1
David Hitchen 0 0 - 1
Aleksander Jaruszewski 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

405 = (1616 + 400 * (1 - 2)) / 3)

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