Event: 27 October online rapidplay

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Opponent Rating Result
Arjun Singh 800 0 - 1
Aashna Patel 1082 0 - 1
Ishaan Chadha 1282 0 - 1
Sayam Shah 935 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

825 = (4099 + 400 * (1 - 3)) / 4)

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