Event: Eton Rapidplay 2019

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Opponent Rating Result
Ethan Cooper 0 1 - 0
Giovanni Currah 119 0 - 1
Alex Golding 206 0 - 1
Ben Turner 121 ½ - ½
Arushi Ramaiya 140 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-43 = (586 + 400 * (1 - 3)) / 5)

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