Event: Wharfedale u16s League

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Opponent	Rating	Result
Louis Lau	1028	0 - 1
Henry Dodgson	1039	0 - 1
Vicente Miguel Francisco Lopes	0	0 - 1
Rowan Thomas	610	1 - 0
Cora Wainwright	1162	0 - 1
Ben Tyler	609	1 - 0
Thomas Hewitt	987	1 - 0
Louis Needham	1407	0 - 1
Muhammad Turgunboev	870	½ - ½

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

768 = (7712 + 400 * (3 - 5)) / 9)