Event: Nottingham HS Qualifier

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Opponent	Rating	Result
Zayan Baig	92	0 - 1
Dennis Zeng	0	1 - 0
Nicholas Lees	116	0 - 1

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

-64 = (208 + 400 * (1 - 2)) / 3)