Event: Belper Club Championship

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Opponent Rating Result
Benjamin Lester 0 ½ - ½
Ronald S Harrison 0 1 - 0
Jonathan Townsend 0 1 - 0
Andy Townsend 0 1 - 0
Alan F Downham 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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