| Opponent |
Rating |
Result |
| David Heilbronn |
77 |
1 - 0 |
| Malcolm Jones |
92 |
0 - 1 |
| Mike Felgate |
113 |
1 - 0 |
| Trevor Reece |
82 |
1 - 0 |
| John Grant |
127 |
0 - 1 |
| David H Watkin |
97 |
1 - 0 |
| John Lunn |
119 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
158 = (707 + 400 * (4 - 3)) / 7)
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