Event: January 2022 clubnight rapidplay games

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Opponent Rating Result
Ananya Patel 1061 ½ - ½
Ewan Davids 0 ½ - ½
Elliott Kaye 870 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

777 = (1931 + 400 * (1 - 0)) / 3)

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