Event: OTB Junior Rolling Blitz 4

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Opponent	Rating	Result
Karthik Dasari	1153	0 - 1
Ibrahim Mirza	1018	0 - 1
Luke Marshall	872	0 - 1

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

614 = (3043 + 400 * (0 - 3)) / 3)