Event: Barclays Chess Club Rapid Tournament No. 2/2023

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Opponent	Rating	Result
Jack Yu	0	1 - 0
Garo Heath	1736	1 - 0
Annish Paw	0	1 - 0
Alwyn Basch	0	1 - 0

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

834 = (1736 + 400 * (4 - 0)) / 4)