| Rondenlijst van Jan de Jager | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 04-09-2017 | Albert Olthof | Z | 0.0 | 0.0 | 1591 |
| 2 | 12-09-2017 | afgezegd | 13.0 | |||
| 3 | 19-09-2017 | afgezegd | 13.0 | |||
| 4 | 26-09-2017 | Paul de Haas | W | 0.5 | 21.5 | 1593 |
| 5 | 03-10-2017 | Martien Snoep | Z | 1.0 | 44.0 | 1603 |
| 6 | 10-10-2017 | oneven | 26.0 | |||
| 7 | 17-10-2017 | Engbert vd Zaag | Z | 0.0 | 0.0 | 1593 |
| 8 | 31-10-2017 | afgezegd | 13.0 | |||
| 9 | 07-11-2017 | Marcel Verschoor | W | 0.0 | 0.0 | 1585 |
| 10 | 14-11-2017 | Pieter Fortuin | W | 0.0 | 0.0 | 1574 |
| 11 | 21-11-2017 | Menno van Dijk | W | 1.0 | 42.0 | 1585 |
| 12 | 28-11-2017 | Ben Rotteveel | Z | 0.5 | 23.5 | 1586 |
| 13 | 05-12-2017 | Johan de Haas | W | 1.0 | 36.0 | 1596 |
| 14 | 19-12-2017 | afgezegd | 13.0 | |||
| 15 | 26-12-2017 | Albert Olthof | W | 0.0 | 0.0 | 1588 |
| 16 | 02-01-2018 | oneven | 26.0 | |||
| 17 | 23-01-2018 | Leon vd Meer | Z | 1.0 | 33.0 | 1594 |
| 18 | 06-02-2018 | Kas Jansen | Z | 0.5 | 17.5 | 1590 |
| 19 | 13-02-2018 | Engbert vd Zaag | W | 0.5 | 22.5 | 1591 |
| 20 | 20-02-2018 | Martien Snoep | W | 0.5 | 22.0 | 1592 |
| 21 | 06-03-2018 | Frits Spruijt | Z | 1.0 | 37.0 | 1601 |
| 22 | 13-03-2018 | afgezegd | 0.0 | |||
| 23 | 20-03-2018 | afgezegd | 0.0 | |||
| 24 | 10-04-2018 | afgezegd | 0.0 | |||
| 25 | 17-04-2018 | afgezegd | 0.0 | |||
| 26 | 24-04-2018 | Ignace Rood | Z | 0.0 | 0.0 | 1594 |
| 27 | 01-05-2018 | Pieter Fortuin | Z | 0.5 | 19.0 | 1592 |
| 28 | 08-05-2018 | Frans Verheijden | W | 0.0 | 0.0 | 1581 |
| 29 | 22-05-2018 | afgezegd | 0.0 | |||
| 30 | 29-05-2018 | Ron Brands | W | 0.5 | 24.0 | 1583 |
| Totaal | 446.0 | |||||