| Opponent |
Rating |
Result |
| Viktor Jamroz |
144 |
0 - 1 |
| Peter L Childs |
149 |
0 - 1 |
| Cosmo Charles |
153 |
0 - 1 |
| Ian McAllan |
162 |
1 - 0 |
| Derek J Davis |
145 |
1 - 0 |
| Kerry RP Kingston |
143 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
83 = (896 + 400 * (2 - 3)) / 6)
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