| Rondenlijst van Gerrit Lemmen | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 10-09-2019 | Martin Rep | W | 1,0 | 20 | 1743 |
| 2 | 17-09-2019 | Arjen Dibbets | W | 0,5 | 9 | 1742 |
| 3 | 24-09-2019 | Rob Heijink | Z | 1,0 | 20 | 1751 |
| 4 | 01-10-2019 | Alexander Versluis | W | 1,0 | 21 | 1761 |
| 5 | 15-10-2019 | Jos Vlaming | Z | 1,0 | 24 | 1778 |
| 6 | 29-10-2019 | Danny de Ruiter | Z | 0,0 | 0 | 1777 |
| 7 | 05-11-2019 | Johan Wester | W | 1,0 | 22 | 1791 |
| 8 | 12-11-2019 | Michael van Liempt | W | 0,0 | 0 | 1788 |
| 9 | 19-11-2019 | Ruud Adema | Z | 0,0 | -1 | 1783 |
| 10 | 26-11-2019 | Ton Fasel | Z | 0,5 | 10 | 1785 |
| 11 | 03-12-2019 | Bondsw.di | 13 | |||
| 12 | 10-12-2019 | Willem Meyles | W | 0,0 | -2 | 1777 |
| 13 | 07-01-2020 | Jos Vlaming | W | 0,0 | 0 | 1773 |
| 14 | 14-01-2020 | Gerard de Geus | Z | 1,0 | 24 | 1789 |
| 15 | 28-01-2020 | Bondsw.di | 13 | |||
| 16 | 04-02-2020 | Michael van Liempt | Z | 0,0 | 0 | 1787 |
| 17 | 11-02-2020 | Rob Heijink | W | 1,0 | 20 | 1796 |
| 18 | 25-02-2020 | Bondsw.di | 13 | |||
| 19 | 03-03-2020 | Ruud Adema | W | 0,0 | -1 | 1790 |
| 20 | 10-03-2020 | Willem Meyles | Z | 0,0 | -2 | 1783 |
| 21 | 17-03-2020 | |||||
| 22 | 24-03-2020 | |||||
| 23 | 31-03-2020 | |||||
| 24 | 07-04-2020 | |||||
| 25 | 14-04-2020 | |||||
| 26 | 21-04-2020 | |||||
| 27 | 12-05-2020 | |||||
| 28 | 19-05-2020 | |||||
| 29 | 26-05-2020 | |||||
| 30 | 02-06-2020 | |||||
| 31 | 09-06-2020 | |||||
| Barrièrepunten | 332 | |||||
| Totaal | 535 | |||||