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

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Opponent Rating Result
Louis Lau 993 0 - 1
Rowan McGibbon 713 1 - 0
Louis Lau 1010 0 - 1
Rowan McGibbon 686 1 - 0
Abraham Dunn 723 0 - 1
Toby Gregson 843 0 - 1
Abraham Dunn 747 1 - 0
Toby Gregson 885 0 - 1
Abraham Dunn 742 0 - 1
Abraham Dunn 742 1 - 0
Louis Lau 1069 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

723 = (9153 + 400 * (4 - 7)) / 11)

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