| Opponent |
Rating |
Result |
| Chris R Tinker |
129 |
0 - 1 |
| Ian M Thackray |
114 |
½ - ½ |
| Stephen Burton |
111 |
½ - ½ |
| Malcolm E Corbett |
149 |
1 - 0 |
| Lackson Mzizi |
0 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
21 = (503 + 400 * (1 - 2)) / 5)
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