Event: Central London Qualifier

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Opponent Rating Result
Idowu Ajao 0 1 - 0
Maya Kapila 1555 0 - 1
Irfan Adam Irwan Shahrin 1375 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

843 = (2930 + 400 * (1 - 2)) / 3)

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