Event: The Chess Centre - Horsforth (Class 1) Junior League

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Opponent Rating Result
Toby Black 646 1 - 0
Emily Leung 640 0 - 1
Toby Black 643 0 - 1
Zachary Coggill 793 0 - 1
Zachary Hardman 586 1 - 0
Rohan Kirby 799 0 - 1
Magnus Grange 567 ½ - ½
Yarik Pimenov 0 0 - 1
Zachary Coggill 906 0 - 1
Sasha Povar 1036 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

462 = (6616 + 400 * (2 - 7)) / 10)

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