| Opponent |
Rating |
Result |
| Jon Duckham |
154 |
0 - 1 |
| Glenn L House |
215 |
0 - 1 |
| Barry J Hymer |
178 |
0 - 1 |
| James C.C. Foster |
172 |
½ - ½ |
| Alan Giles |
154 |
½ - ½ |
| Holden Davis |
0 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
12 = (873 + 400 * (1 - 3)) / 6)
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