Event: December 2022 rapidplay games

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Opponent Rating Result
Sayam Shah 920 1 - 0
Kevin Mitran 1116 0 - 1
Sophie Mitran 894 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1110 = (2930 + 400 * (2 - 1)) / 3)

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