Event: January 2022 clubnight rapidplay games

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Opponent	Rating	Result
Samuel Davids	700	1 - 0
Denisz Demjan	1339	0 - 1
Elliott Kaye	0	1 - 0
Ishan Jakkulwar	700	1 - 0
Aashna Patel	1011	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

830 = (3750 + 400 * (3 - 2)) / 5)