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

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Opponent Rating Result
Luigi Ucci 1310 0 - 1
Henry Dodgson 1027 0 - 1
Thomas Hewitt 921 ½ - ½
Cora Wainwright 1178 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

809 = (4436 + 400 * (0 - 3)) / 4)

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