Event: Division 2

Opponent Rating Result
John Y Yee 135 ½ - ½
David I Hulme 141 ½ - ½
John Y Yee 135 ½ - ½
Malcolm A Roberts 136 ½ - ½
Richard P Cantliff 121 1 - 0
Sandra G Blackburn 120 ½ - ½
Stephen J Emmerton 127 0 - 1
Philip J Cattermole 145 ½ - ½
John R Day 129 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

132 = (1189 + 400 * (1 - 1)) / 9)

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