Event: MID County / Lewis Cup

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Opponent Rating Result
C Lucjan Karpinski 172 0 - 1
Robert E Lane 148 ½ - ½
John B Atherton 161 ½ - ½
R Alan Barton 183 ½ - ½
R Alan Barton 183 0 - 1
Charlie Metcalfe 158 1 - 0
Robert E Lane 148 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

108 = (1153 + 400 * (1 - 2)) / 7)

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