Event: Ivan Gromov Season 3

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Opponent	Rating	Result
Donnie Nguyen	0	1 - 0
Matthew Poon	0	0 - 1
Max Li	0	1 - 0
Rohit Surapaneni	0	1 - 0
Ron Usharovsky	0	0 - 1
Edward Chu	0	1 - 0
Oliver Richards	0	1 - 0
Christopher Stork	0	0 - 1
Oli Smith	0	½ - ½

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

89 = (0 + 400 * (5 - 3)) / 9)