| Opponent |
Rating |
Result |
| Philip J Meade |
169 |
½ - ½ |
| Robert Ashworth |
155 |
½ - ½ |
| Michael Ashworth |
188 |
0 - 1 |
| John S Burrows |
122 |
1 - 0 |
| Alun Richards |
140 |
0 - 1 |
| John Jenkins |
172 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
24 = (946 + 400 * (1 - 3)) / 6)
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