Event: Division Two

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Opponent Rating Result
Geoffrey C Rosser 116 0 - 1
Graham H Lamb 142 ½ - ½
Sean MG Grenham 126 1 - 0(def)
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-71 = (258 + 400 * (0 - 1)) / 2)

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