| Opponent |
Rating |
Result |
| D Brett Lund |
207 |
0 - 1 |
| Martyn Hamer |
189 |
0 - 1 |
| Tim Hilton |
171 |
0 - 1 |
| John Whitfield |
159 |
½ - ½ |
| Malcolm R Peacock |
184 |
0 - 1 |
| William O'Rourke |
154 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-89 = (1064 + 400 * (0 - 4)) / 6)
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