Event: Under 11s December 2023 Greater Manchester Chess Tournament

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Opponent Rating Result
Hafsa Riaz 1178 0 - 1
Tanisha Joshi 0 1 - 0
Avery Aggarwal 853 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

810 = (2031 + 400 * (2 - 1)) / 3)

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