Event: Lewisham Summer Cup

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Opponent Rating Result
Kushal Jakhria 2060 0 - 1
Christopher Gallagher 0 0 - 1
Calogero Tona 1348 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1003 = (3408 + 400 * (1 - 2)) / 3)

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