Event: West London Qualifier

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Opponent Rating Result
Tasnim Al-Saleh 0 1 - 0
Indra Jatin Luthia 1590 0 - 1
Joshua Franks 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

397 = (1590 + 400 * (1 - 2)) / 3)

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