Event: Kenneth Appleby

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Opponent Rating Result
Kenneth L Marsden 79 1 - 0
Thomas Jordan 113 1 - 0
Dominic Gallagher 108 1 - 0
Keith J Riach 127 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

507 = (427 + 400 * (4 - 0)) / 4)

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