Event: Wharfedale u16s League

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Opponent	Rating	Result
Sasha Povar	1167	0 - 1
Sevan Chotai	1288	0 - 1
Aashaz Inesh Zia	929	1 - 0
Jamie Thomas	890	0 - 1
Freya Bramall	1085	0 - 1
Rowan Thomas	594	0 - 1
Muhammad Turgunboev	879	0 - 1
Thomas Hewitt	939	0 - 1
Louis Needham	1418	0 - 1

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

710 = (9189 + 400 * (1 - 8)) / 9)