| Opponent |
Rating |
Result |
| Ollie Self |
98 |
0 - 1 |
| Paul Heeney |
90 |
0 - 1 |
| Andy Glover |
38 |
1 - 0 |
| Brian Jones |
67 |
½ - ½ |
| John H Pakenham |
107 |
½ - ½ |
| Ian A Clack |
102 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-50 = (502 + 400 * (1 - 3)) / 6)
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