Event: City Chess Swiss 2023-24

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Opponent Rating Result
Mikhail Zlobin 0 0 - 1
Alfie Heath 1540 0 - 1
Leonard Lai King 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

380 = (1540 + 400 * (1 - 2)) / 3)

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