| Opponent |
Rating |
Result |
| John R Wilkinson |
0 |
0 - 1 |
| Roger DW Marsh |
0 |
0 - 1 |
| James I Chilton |
0 |
1 - 0 |
| Curtis Couch |
0 |
1 - 0 |
| Robin Williams |
0 |
0 - 1 |
| John M Wiseman |
0 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-67 = (0 + 400 * (2 - 3)) / 6)
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