| Opponent |
Rating |
Result |
| Chris Lee |
0 |
1 - 0 |
| Ray A Collett |
0 |
1 - 0 |
| C King |
0 |
1 - 0 |
| Simon Berry |
0 |
1 - 0 |
| Stephen D Mellor |
0 |
0 - 1 |
| Joe Rastall |
0 |
½ - ½ |
| John Hesketh |
0 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
229 = (0 + 400 * (5 - 1)) / 7)
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