Event: Autumn Tournament 2023

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Opponent	Rating	Result
Oliver Stockham	1874	0 - 1
Paul Cumberbatch	1733	0 - 1
Thomas W Martin	1565	0 - 1

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

1324 = (5172 + 400 * (0 - 3)) / 3)