Event: October 2022 rapidplay games

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Opponent Rating Result
Jessica Maslowska 908 1 - 0
Kevin Mitran 0 ½ - ½
Sophie Mitran 952 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

887 = (1860 + 400 * (2 - 0)) / 3)

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