| Opponent |
Rating |
Result |
| Jim R Bayford |
180 |
0 - 1 |
| Richard G Eales |
192 |
0 - 1 |
| Trefor H Owens |
164 |
½ - ½ |
| Peter McGill |
145 |
0 - 1 |
| Colin G Gregory |
127 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-78 = (808 + 400 * (0 - 3)) / 5)
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