| Opponent |
Rating |
Result |
| Greg Edwards |
162 |
0 - 1 |
| David R Morris |
175 |
½ - ½ |
| John P Allen |
163 |
1 - 0 |
| Conrad Allison |
154 |
0 - 1 |
| Phil M Humphries |
138 |
1 - 0 |
| Michael R Wiltshire |
147 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
90 = (939 + 400 * (2 - 3)) / 6)
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