Event: Billingham Synthonia November 2022 Rapid

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Opponent	Rating	Result
Benjmin Dodgson	1150	1 - 0
Bill Wilson	1914	0 - 1
Matthew Mawson	0	1 - 0

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

1155 = (3064 + 400 * (2 - 1)) / 3)