| Opponent |
Rating |
Result |
| Roger W Walker |
1621 |
½ - ½ |
| George Bulbeck |
1646 |
1 - 0 |
| Stephen J Emmerton |
1564 |
1 - 0 |
| David M Rose |
1543 |
1 - 0 |
| James Marshall |
1525 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1900 = (7899 + 400 * (4 - 0)) / 5)
Back