Event: Division 2

Opponent Rating Result
Graham D Neville 148 ½ - ½
John Lightowler 138 1 - 0
David O Vaughan 156 ½ - ½
Robert Ashworth 161 1 - 0
Ian R White 166 ½ - ½
Ronald J Kiff 137 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

351 = (906 + 400 * (3 - 0)) / 6)

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