Event: Wilson's Qualifier

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Opponent	Rating	Result
Neo Sherchan	89	0 - 1
Aditya Akella	56	0 - 1
Shaz Nazim	0	1 - 0

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

-85 = (145 + 400 * (1 - 2)) / 3)