Event: Guildford

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Opponent Rating Result
Andrew Rychlinski 0 0 - 1
Arth Sharma 1382 0 - 1
Ronit Sachdeva 1895 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

692 = (3277 + 400 * (0 - 3)) / 3)

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