Event: Yorkshire u18s Team Championship - Division 2

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Opponent	Rating	Result
Harley Townsend	1073	1 - 0
Leo Stefanakis	1078	1 - 0
Philip A Wood	1398	0 - 1
Gabriel Wood	1452	1 - 0
Henry Saunders	1378	1 - 0
Ethan Gaffney	1297	1 - 0
Corey Jay Rothery	0	1 - 0
Edgar George	904	1 - 0

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

1373 = (8580 + 400 * (7 - 1)) / 8)