| Opponent |
Rating |
Result |
| Derek Green |
118 |
0 - 1 |
| Martin Berridge |
127 |
½ - ½ |
| R Arthur Hall |
107 |
1 - 0 |
| Roger Threlfall |
139 |
½ - ½ |
| David J Friend |
114 |
½ - ½ |
| Ray Hall |
126 |
0 - 1 |
| A McKeown |
117 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
64 = (848 + 400 * (1 - 2)) / 7)
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