Event: Ivan Gromov Season 3

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Opponent	Rating	Result
Andy Smith	0	1 - 0
Hugo Wilkinson	0	½ - ½
Vladimir Pantea	0	1 - 0
Jack Spicer	0	0 - 1
Thomas Humphreys	0	1 - 0
Lade Laguda	0	0 - 1
Nikolai Solodkho	0	1 - 0
Freddie Christou-Moore	0	0 - 1

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

50 = (0 + 400 * (4 - 3)) / 8)