Event: City Chess Swiss 2022-23

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Opponent	Rating	Result
Alfie Heath	0	0 - 1
David A Morgan	1656	0 - 1
Arnaud Sutter	0	0 - 1

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

152 = (1656 + 400 * (0 - 3)) / 3)