Event: OTB Junior Rolling Blitz

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Opponent	Rating	Result
Aarushi Bhutiya	0	1 - 0
Vedder Fowler	0	0 - 1
Eitan Eisen	906	0 - 1

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

169 = (906 + 400 * (1 - 2)) / 3)