| Opponent |
Rating |
Result |
| Daniel Cooper |
85 |
1 - 0 |
| Amy Lovatt |
83 |
0 - 1 |
| Roger W Walker |
117 |
0 - 1 |
| Amy Lovatt |
118 |
0 - 1 |
| Harry Gardiner |
76 |
0 - 1 |
| Roger Coleman |
80 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-40 = (559 + 400 * (2 - 4)) / 6)
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