Event: South London Qualifier

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Opponent Rating Result
Michael Domarkas 1608 0 - 1
Bharat Vatsa 1032 ½ - ½
Aarav Gupta 0 0 - 1
Imaan Khan 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

560 = (2640 + 400 * (1 - 2)) / 4)

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