Event: Easter 2023 u-1400 rapidplay

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Opponent Rating Result
Shlok Lath 679 0 - 1
Eevan Pennant-Shah 771 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

525 = (1450 + 400 * (0 - 1)) / 2)

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