| Opponent |
Rating |
Result |
| Mark Littleton |
181 |
0 - 1 |
| Leonard J Laker |
144 |
1 - 0 |
| Michael J Litchfield |
139 |
1 - 0 |
| Robert Halse |
145 |
0 - 1 |
| David Michael Fuller |
164 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
75 = (773 + 400 * (2 - 3)) / 5)
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