| Opponent |
Rating |
Result |
| Mark C Rich |
190 |
0 - 1 |
| Ian L Snape |
205 |
0 - 1 |
| John R Cordner |
139 |
0 - 1 |
| Laurence Ball |
191 |
0 - 1 |
| John R Cordner |
139 |
1 - 0 |
| Jon M Griffiths |
143 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-32 = (1007 + 400 * (1 - 4)) / 6)
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