Event: January 2022 clubnight rapidplay games

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Opponent	Rating	Result
Geun-yeong Hur	515	1 - 0
Elliott Kaye	908	0 - 1
Elliott Kaye	870	0 - 1
Samuel Davids	700	0 - 1

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

548 = (2993 + 400 * (1 - 3)) / 4)