Event: Norman Ellis

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Opponent Rating Result
Clive W Davies 161 ½ - ½
Andy J Bagley 165 ½ - ½
Peter F Mason 149 0 - 1
Paul RH Clarke 151 ½ - ½
Paul May 154 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

156 = (780 + 400 * (1 - 1)) / 5)

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