Event: Easter 2023 u-1400 rapidplay

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Opponent	Rating	Result
Sophie Mitran	969	1 - 0
Louis White	1333	0 - 1
Ayush Bansal	838	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

913 = (3140 + 400 * (1 - 2)) / 3)