| Opponent |
Rating |
Result |
| John Lee |
1617 |
0 - 1 |
| Andrew Adams |
1616 |
0 - 1 |
| Geoffrey C Rosser |
1626 |
1 - 0 |
| Gordon G Sands |
1540 |
0 - 0 |
| Geoffrey C Rosser |
1626 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1421 = (6485 + 400 * (1 - 3)) / 4)
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