| Opponent |
Rating |
Result |
| Peter Domonkos |
97 |
0 - 1 |
| John E Beech |
125 |
0 - 1 |
| Tim Prosser |
144 |
0 - 1 |
| Martin McGowan |
91 |
1 - 0 |
| Alan J Smith |
111 |
0 - 1 |
| Patrick Wilson |
55 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-30 = (623 + 400 * (2 - 4)) / 6)
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