| Rondenlijst van Gerrit Lemmen | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 05-09-2017 | Klaas Silver | W | 0,5 | 8 | 1740 |
| 2 | 12-09-2017 | Peter Duijs | Z | 1,0 | 21 | 1751 |
| 3 | 19-09-2017 | Rob Freer | Z | 0,5 | 11 | 1756 |
| 4 | 26-09-2017 | Willem Meyles | W | 0,0 | -1 | 1750 |
| 5 | 03-10-2017 | Dirk van der Meiden | W | 0,0 | -1 | 1744 |
| 6 | 10-10-2017 | Bondsw.di | 13 | |||
| 7 | 17-10-2017 | Alexander Versluis | Z | 0,0 | -4 | 1732 |
| 8 | 31-10-2017 | Ronald Kamps | W | 1,0 | 20 | 1740 |
| 9 | 07-11-2017 | Arend Noordam | Z | 0,5 | 6 | 1734 |
| 10 | 14-11-2017 | Arjen Dibbets | W | 1,0 | 21 | 1745 |
| 11 | 21-11-2017 | Ton Fasel | Z | 0,0 | -1 | 1740 |
| 12 | 28-11-2017 | Richard van Diepen | Z | 1,0 | 23 | 1754 |
| 13 | 05-12-2017 | John Leek | W | 0,0 | -2 | 1747 |
| 14 | 12-12-2017 | Bondsw.di | 13 | |||
| 15 | 02-01-2018 | Dick Bouma | W | 1,0 | 21 | 1758 |
| 16 | 09-01-2018 | Dirk van der Meiden | Z | 0,5 | 11 | 1762 |
| 17 | 16-01-2018 | oneven | 21 | |||
| 18 | 30-01-2018 | Wim Nieland | W | 1,0 | 22 | 1776 |
| 19 | 06-02-2018 | Jan Poland | Z | 1,0 | 22 | 1788 |
| 20 | 13-02-2018 | Bondsw.di | 13 | |||
| 21 | 20-02-2018 | Jos Vlaming | Z | 0,0 | 0 | 1786 |
| 22 | 06-03-2018 | Bondsw.di | 13 | |||
| 23 | 13-03-2018 | Rob Freer | W | 0,5 | 11 | 1791 |
| 24 | 20-03-2018 | Bert Buitink | Z | 0,0 | -1 | 1785 |
| 25 | 27-03-2018 | Jan Poland | W | 1,0 | 22 | 1797 |
| 26 | 03-04-2018 | Guido Florijn | W | 0,5 | 10 | 1799 |
| 27 | 10-04-2018 | Frank Agter | Z | 0,0 | 0 | 1797 |
| 28 | 17-04-2018 | Jos Vlaming | W | 0,0 | 0 | 1795 |
| 29 | 24-04-2018 | Alex Albrecht | Z | 0,5 | 11 | 1798 |
| 30 | 08-05-2018 | Egbert van Oene | W | 0,0 | -2 | 1790 |
| 31 | 15-05-2018 | Willem Meyles | Z | 0,0 | -1 | 1783 |
| 32 | 22-05-2018 | John Kramer | Z | 0,0 | -3 | 1774 |
| Barrièrepunten | 320 | |||||
| Totaal | 617 | |||||