Event: City Chess Swiss 2023-24

Opponent Rating Result
Johan Rydahl 1923 0 - 1
Antony C Hall 1958 ½ - ½
Vijay Katukuri 1611 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1831 = (5492 + 400 * (1 - 1)) / 3)

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