Event: The Chess Centre - Guiseley (Class 2) Junior League

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Opponent Rating Result
Daniel Bond 1035 ½ - ½
Cora Wainwright 1158 0 - 1
Luigi Ucci 1348 0 - 1
Henry Dodgson 1047 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

947 = (4588 + 400 * (0 - 2)) / 4)

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