| Opponent |
Rating |
Result |
| Neil Griffiths |
131 |
0 - 1 |
| Peter Braham |
142 |
0 - 1 |
| Graham W Matthews |
127 |
1 - 0 |
| Clive W Davies |
159 |
½ - ½ |
| Alec Grice |
138 |
1 - 0 |
| Karim Khan |
143 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
73 = (840 + 400 * (2 - 3)) / 6)
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