Event: Wharfedale u16s League

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Opponent	Rating	Result
Cora Wainwright	1163	0 - 1
Freya Bramall	1084	0 - 1
Alex Rawse	1287	0 - 1
Charlie Marsden	798	1 - 0
Archie Sheen	873	½ - ½
Rowan McGibbon	745	1 - 0
Roald Weston	656	1 - 0
Theo Curtis	736	1 - 0

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

968 = (7342 + 400 * (4 - 3)) / 8)