| Opponent |
Rating |
Result |
| Vaughan WG Smith |
130 |
0 - 1 |
| Ian R Morrell |
65 |
1 - 0 |
| Nigel D Marshall |
115 |
0 - 1 |
| Edward Brown |
112 |
0 - 1 |
| Jonathan Townsend |
99 |
½ - ½ |
| Alan Holden |
96 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-31 = (617 + 400 * (1 - 3)) / 6)
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