Event: TCC South London Qualifier

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Opponent Rating Result
Varun Sahdev 1641 1 - 0
Danbe Luk 1797 0 - 1
Ron Usharovsky 1828 0 - 1
Joel Averbukh 1534 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1600 = (6800 + 400 * (1 - 2)) / 4)

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