Event: County Championship

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Opponent Rating Result
Jason Golding 0 1 - 0
Jules Brown 0 1 - 0
Robert J Arthurton 0 1 - 0
George Anderson 0 1 - 0
William J Egan 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

320 = (0 + 400 * (4 - 0)) / 5)

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