Overzicht ontwikkeling ELO-rating voor Jan Hahne (startELO: 1638)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Ruud Goossens | ½ | 1639 | (+ 1) |
| 2 | Rene Orriens | 0 | 1626 | (- 13) |
| 3 | Marinus Demkes | 1 | 1634 | (+ 8) |
| 4 | Nico Pols | 1 | 1639 | (+ 5) |
| 5 | Wim Orriens | ½ | 1635 | (- 4) |
| 6 | Gert Nijenhuis | 1 | 1639 | (+ 4) |
| 7 | Ad Reijnoudt | ½ | 1634 | (- 5) |
| 8 | Geert Koster | 0 | 1622 | (- 12) |
| 9 | Andre Eisink | 0 | 1613 | (- 9) |
| 10 | extern (1550) | ½ | 1612 | (- 1) |
| 11 | Hans ter Horst | 1 | 1615 | (+ 3) |
| 12 | Ruud Goossens | ½ | 1617 | (+ 2) |
| 14 | Nico Pols | 1 | 1622 | (+ 5) |
| 15 | Wim Orriens | ½ | 1619 | (- 3) |
| 16 | Gert Nijenhuis | 1 | 1623 | (+ 4) |
| 17 | Leo van Noord | ½ | 1623 | (+ 0) |
| 18 | Cyril Wolters | 0 | 1610 | (- 13) |
| 19 | Geert Koster | ½ | 1611 | (+ 1) |
| 20 | Hans ter Horst | 1 | 1615 | (+ 4) |
| 21 | Ad Reijnoudt | ½ | 1608 | (- 7) |
| 22 | Wim Orriens | ½ | 1605 | (- 3) |
| 23 | Geert Koster | ½ | 1606 | (+ 1) |
| Huidige ELO: | 1606 |