| Opponent |
Rating |
Result |
| Graham W Dobson |
171 |
½ - ½ |
| Carl A Tillotson |
159 |
1 - 0 |
| John G Cooper |
165 |
½ - ½ |
| Peter A Garrett |
152 |
1 - 0 |
| David E Aspinall |
139 |
1 - 0 |
| Alan Pidcock |
136 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
287 = (922 + 400 * (3 - 1)) / 6)
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