Event: Easter 2023 u-1400 rapidplay

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Opponent Rating Result
Freddie Adam 1097 0 - 1
Jessica Maslowska 967 0 - 1
William Adam 1213 1 - 0
Milan Saujani 1008 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1071 = (4285 + 400 * (2 - 2)) / 4)

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