Event: South Bristol Junior Championship

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Opponent	Rating	Result
Charles Higenbottam	964	0 - 1
Carolus Tang	966	0 - 1
Nathan McLachlan	0	0 - 1
Owen James	0	1 - 0
Dakshya Yadav	0	1 - 0
Aidan McCarron	0	0 - 1
Walter Rogers	773	0 - 1

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

215 = (2703 + 400 * (2 - 5)) / 7)