Overzicht ontwikkeling ELO-rating voor Rene Orriens (startELO: 1520)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Cyril Wolters | 1 | 1532 | (+ 12) |
| 2 | Jan Hahne | 1 | 1545 | (+ 13) |
| 3 | Leo van Noord | 0 | 1538 | (- 7) |
| 4 | Ad Reijnoudt | 1 | 1547 | (+ 9) |
| 5 | Gert Nijenhuis | 1 | 1554 | (+ 7) |
| 6 | Marinus Demkes | 0 | 1546 | (- 8) |
| 7 | Wim Orriens | 1 | 1554 | (+ 8) |
| 8 | Andre Eisink | ½ | 1558 | (+ 4) |
| 12 | Cyril Wolters | 1 | 1571 | (+ 13) |
| 14 | Ruud Goossens | ½ | 1576 | (+ 5) |
| 15 | Leo van Noord | 0 | 1568 | (- 8) |
| 16 | Hans ter Horst | ½ | 1567 | (- 1) |
| 17 | Wim Orriens | 1 | 1576 | (+ 9) |
| 19 | Andre Eisink | 0 | 1570 | (- 6) |
| 20 | Geert Koster | 1 | 1581 | (+ 11) |
| 21 | Gert Nijenhuis | 0 | 1569 | (- 12) |
| 23 | Leo van Noord | 1 | 1584 | (+ 15) |
| Huidige ELO: | 1584 |