Event: City Chess Swiss 2022-23

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Opponent	Rating	Result
Johan Rydahl	1909	½ - ½
D Ian Calvert	1993	½ - ½
Vikhram Ravi	2020	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

2107 = (5922 + 400 * (1 - 0)) / 3)