Event: City Chess Swiss 2022-23

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Opponent Rating Result
Mike Peter Spencer 1226 1 - 0
Patrick Hill 1331 ½ - ½
Yohance Dixon 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

852 = (2557 + 400 * (1 - 1)) / 3)

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