Event: South London Qualifier

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Opponent Rating Result
Sivan Arunan 1359 1 - 0
Adrian Casadio 0 1 - 0
Roy Yuns 1374 0 - 1
Eddie Philips 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

883 = (2733 + 400 * (3 - 1)) / 4)

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