Event: West London Qualifier

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Opponent Rating Result
Matthew Coleman 1604 0 - 1
Burley Keng Akpabio 0 1 - 0
Tife Ajayi 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

401 = (1604 + 400 * (1 - 2)) / 3)

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