| Opponent |
Rating |
Result |
| Mervyn J Hughes |
172 |
1 - 0 |
| Harry G Evans |
162 |
1 - 0 |
| Alireza Manuchehri |
161 |
1 - 0 |
| Philip J Makepeace |
202 |
1 - 0 |
| Neil D Tomkin |
141 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
568 = (838 + 400 * (5 - 0)) / 5)
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