Event: City Chess League 2021-22

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Opponent	Rating	Result
Matthew Collins	1200	1 - 0
Vijay Katukuri	1555	0 - 1
Anthony Dunford	1810	0 - 1

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

1388 = (4565 + 400 * (1 - 2)) / 3)