Event: Division 3

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Opponent Rating Result
Andrew Barker 123 0 - 1
Marcel V Taylor 144 0 - 1
Roger W Walker 127 0 - 1
Harry Gardiner 131 0 - 1
Ellen Scattergood 91 1 - 0
Peter Shaw 108 1 - 0
Roger W Walker 127 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

7 = (851 + 400 * (2 - 4)) / 7)

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Opponent Rating Result
John Y Yee 135 ½ - ½
Neville Layhe 126 0 - 1
Tim Twentyman 115 ½ - ½
Tim Twentyman 115 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

123 = (491 + 400 * (1 - 1)) / 4)