| Opponent |
Rating |
Result |
| Kerry RP Kingston |
142 |
0 - 1 |
| Miroslav Jecek |
161 |
0 - 1 |
| Viktor Jamroz |
162 |
1 - 0 |
| Laurence AG Jones |
140 |
½ - ½ |
| Jon M Griffiths |
145 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-10 = (750 + 400 * (1 - 3)) / 5)
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