Event: Holmfirth Junior Rapid

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Opponent Rating Result
Louis Hillsley 943 0 - 1
Benjamin McBurney 943 0 - 1
Leo Hirst 778 ½ - ½
Isaac Sykes 657 ½ - ½
Lily Booth 789 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

662 = (4110 + 400 * (0 - 2)) / 5)

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