Event: City Chess Swiss 2022-23

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Opponent Rating Result
Rishabh Lakhmani 0 1 - 0
Patrick Ludden 0 1 - 0
Christopher Willoughby 1731 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

844 = (1731 + 400 * (2 - 0)) / 3)

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