Event: South London Qualifier

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Opponent Rating Result
Michael Domarkas 1608 0 - 1
Hecheng Wang 1087 1 - 0
Mark Gan 1466 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1254 = (4161 + 400 * (1 - 2)) / 3)

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