Event: Easter 2023 u-1400 rapidplay

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Opponent Rating Result
Ishaan Chadha 1264 0 - 1
Sayam Shah 924 0 - 1
Arjun Malviya 626 1 - 0
Shayan Parmar 1142 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

789 = (3956 + 400 * (1 - 3)) / 4)

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