Event: 2021 Jamboree

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Opponent	Rating	Result
Ian Leslie	0	0 - 1
Timea Foris	0	0 - 1
Mareks Ogars	0	0 - 1

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

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