| Opponent |
Rating |
Result |
| Richard D Perrin |
143 |
0 - 1 |
| Robert Halse |
130 |
0 - 1 |
| Andrew Alderton |
122 |
0 - 1 |
| Paul T Errington |
119 |
½ - ½ |
| Richard D Perrin |
143 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-189 = (657 + 400 * (0 - 4)) / 5)
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