Event: City Chess Swiss 2022-23

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Opponent Rating Result
Atta Chui 1803 1 - 0
Douglas Hogan 1973 0 - 1
Antoine De Milleville 1796 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1724 = (5572 + 400 * (1 - 2)) / 3)

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