| Opponent |
Rating |
Result |
| William O'Rourke |
154 |
½ - ½ |
| Cliff H Rutlidge |
157 |
0 - 1 |
| Graham J Ashcroft |
163 |
½ - ½ |
| Mark A Whitehead |
168 |
0 - 1 |
| Peter Dickinson |
122 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
73 = (764 + 400 * (1 - 2)) / 5)
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