Event: Holmfirth Junior Rapid

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Opponent Rating Result
Alex Burke 1300 0 - 1
Anis Shahab 898 1 - 0
Sam Hough 1006 ½ - ½
Jacob A Westmoreland 1108 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

978 = (4312 + 400 * (1 - 2)) / 4)

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