Event: B&DCL Div 4

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Opponent Rating Result
Graham Hillman 116 1 - 0
John E Harris 120 0 - 1
Jim Newman 105 1 - 0
Phil Wallace 120 1 - 0
Roger D Howell 91 ½ - ½
David F Burt 112 0 - 1
Roger D Howell 91 1 - 0
Cornelius J Cornes 123 1 - 0
Richard Smith 109 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

243 = (987 + 400 * (5 - 2)) / 9)

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