Event: Eton Rapidplay 2019

Opponent Rating Result
Oliver Yau 140 0 - 1
Rohan Sarabi 0 1 - 0
Nigel A Arun Jacob 106 0 - 1
Hannah Kassam 76 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

81 = (322 + 400 * (2 - 2)) / 4)

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