| Opponent |
Rating |
Result |
| John L Clarke |
104 |
0 - 1 |
| Peter LT Blundell |
120 |
0 - 1 |
| John L Clarke |
104 |
0 - 1 |
| John R Couzens |
116 |
0 - 1 |
| Graeme Boxall |
99 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-131 = (543 + 400 * (1 - 4)) / 5)
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