| Opponent |
Rating |
Result |
| Robert Glass |
140 |
½ - ½ |
| Ian A Clack |
114 |
½ - ½ |
| Joe Kadar |
127 |
0 - 1 |
| David M Cotterell |
113 |
0 - 1 |
| Roland Robson |
109 |
½ - ½ |
| Roger Bray |
107 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
52 = (710 + 400 * (1 - 2)) / 6)
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