Event: Guildford

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Opponent Rating Result
Arth Sharma 1382 1 - 0
Andrew Rychlinski 0 1 - 0
Max Gu 454 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1012 = (1836 + 400 * (3 - 0)) / 3)

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