Event: 2021 Jamboree

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Opponent	Rating	Result
Ben Jukes	0	0 - 1
Simon W Gray	1458	1 - 0
Nigel Crucefix	1330	1 - 0

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

1063 = (2788 + 400 * (2 - 1)) / 3)