Event: Norman Ellis

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Opponent Rating Result
David L Pedro 141 1 - 0
Peter Braham 148 1 - 0
Robert Starley 194 1 - 0
Clive W Davies 161 1 - 0
Peter F Mason 149 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

559 = (793 + 400 * (5 - 0)) / 5)

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