| Opponent |
Rating |
Result |
| David H Powell |
2118 |
0 - 1 |
| Sebastian Burford |
850 |
0 - 1 |
| Alan D Evans |
1776 |
0 - 1 |
| Harry J Sharples |
1782 |
0 - 1 |
| Sean Duffy |
1199 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1305 = (7725 + 400 * (1 - 4)) / 5)
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