Event: Eton Rapidplay 2019

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Opponent Rating Result
Ben Turner 121 1 - 0
Henry Adams 136 1 - 0
Alex Golding 206 0 - 1
Tom O'Gorman 189 0 - 1
Koby Kalavannan 214 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

93 = (866 + 400 * (2 - 3)) / 5)

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