Event: Division A

Opponent Rating Result
Martin Lythgoe 164 ½ - ½
Harry Newman 85 1 - 0
Goodchild Ndou 107 0 - 1
Jon I Lonsdale 152 0 - 1
Graham J Ashcroft 161 ½ - ½
Charalampos Patsos 132 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

134 = (801 + 400 * (2 - 2)) / 6)

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