| Opponent |
Rating |
Result |
| Tony B Packham |
160 |
0 - 1 |
| David C Helsby |
144 |
0 - 1 |
| Geoffrey L Bishop |
141 |
0 - 1 |
| Navtej S Bansal |
142 |
½ - ½ |
| John Cook |
152 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-172 = (739 + 400 * (0 - 4)) / 5)
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