| Opponent |
Rating |
Result |
| John Potter |
0 |
0 - 1 |
| Alan F Downham |
0 |
0 - 1 |
| Ian R Morrell |
0 |
0 - 1 |
| Michael O'Brien |
0 |
1 - 0 |
| Benjamin Lester |
0 |
|
| Ronald S Harrison |
0 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-160 = (0 + 400 * (1 - 3)) / 5)
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