Event: West London Qualifier

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Opponent Rating Result
Alp Tugrul Kucukyildiz 1433 0 - 1
Aisha Ahmed-Khan 0 0 - 1
Sophie Kalckstein 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

344 = (1433 + 400 * (1 - 2)) / 3)

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