| Opponent |
Rating |
Result |
| Tu Senan |
1515 |
1 - 0 |
| David Smith |
1622 |
1 - 0 |
| Mark RA Murrell |
1945 |
1 - 0 |
| Istvan Karacsony |
1592 |
1 - 0 |
| John Cawdery |
2049 |
0 - 1 |
| John H Hodgson |
2215 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
2023 = (10938 + 400 * (4 - 1)) / 6)
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