Event: Wharfedale u16s League

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Opponent	Rating	Result
James Kennedy	979	0 - 1
Louis Needham	1334	0 - 1
Thomas Hewitt	924	0 - 1
Henry Dodgson	1037	0 - 1
Louis Lau	1069	1 - 0
Jacob Tew	460	1 - 0
Alex Rawse	1334	0 - 1
Charlie Marsden	781	1 - 0
Alexander Marsden	856	0 - 1

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

842 = (8774 + 400 * (3 - 6)) / 9)