| Opponent |
Rating |
Result |
| Glyn D Valentine |
145 |
½ - ½ |
| Stephen J Emmerton |
131 |
1 - 0 |
| Grenville Cross |
107 |
1 - 0 |
| Railton W Hyde |
151 |
1 - 0 |
| Maximilien Launay |
129 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
453 = (663 + 400 * (4 - 0)) / 5)
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