Event: The Chess Centre - Ilkley (Tuesdays) Junior League

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Opponent Rating Result
Art Whittington 340 0 - 1
James Pitt 773 0 - 1
Roald Weston 567 1 - 0
Ethan Battye 789 0 - 1
James Pitt 714 1 - 0
Roald Weston 552 1 - 0
Arnie Ormerod 616 0 - 1
Ethan Battye 718 0 - 1
Art Whittington 449 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

569 = (5518 + 400 * (4 - 5)) / 9)

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