Event: Ivan Gromov League Season 2

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Opponent	Rating	Result
Hayk Mesropyan	0	0 - 1
Sam Machin-Gray	0	1 - 0
Hayden Lam	0	0 - 1
Aaryan Agnihotri	0	0 - 1

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

-200 = (0 + 400 * (1 - 3)) / 4)