| Opponent |
Rating |
Result |
| William J Moffatt |
122 |
½ - ½ |
| Geoffrey Pennington |
143 |
0 - 1 |
| Chris Soames |
100 |
1 - 0 |
| Josh Mchaffie |
100 |
|
| Carl A Tillotson |
159 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
31 = (524 + 400 * (1 - 2)) / 4)
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