| Opponent |
Rating |
Result |
| Graeme Hall |
0 |
1 - 0 |
| Dave Colledge |
119 |
½ - ½ |
| Gordon Farrar |
150 |
0 - 1 |
| John Link |
102 |
0 - 1 |
| C Barry Taylor |
135 |
0 - 1 |
| Kenneth W Parkin |
96 |
1 - 0 |
| Dave Colledge |
127 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-10 = (729 + 400 * (2 - 4)) / 7)
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