| Rondenlijst van Gerrit Lemmen | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 25-08-2020 | Peter van Diepen | W | 1,0 | 20 | 1744 |
| 2 | 01-09-2020 | Tycho Bakker | W | 0,5 | 9 | 1743 |
| 3 | 08-09-2020 | Danny de Ruiter | Z | 0,0 | 0 | 1742 |
| 4 | 15-09-2020 | Theo Bakker | Z | 1,0 | 20 | 1751 |
| 5 | 22-09-2020 | afgezegd | 5 | |||
| 6 | 29-09-2020 | John Leek | W | 0,0 | -2 | 1745 |
| 7 | 06-10-2020 | Jan Poland | W | 0,0 | -3 | 1736 |
| 8 | 13-10-2020 | Theo de Bruijn | Z | 1,0 | 19 | 1741 |
| 9 | 25-05-2021 | afgezegd | 5 | |||
| 10 | 01-06-2021 | afgezegd | 5 | |||
| 11 | 08-06-2021 | afgezegd | 5 | |||
| 12 | 15-06-2021 | Nico Mak | Z | 1,0 | 20 | 1749 |
| 13 | 22-06-2021 | Martin Rep | W | 0,0 | -4 | 1737 |
| 14 | 29-06-2021 | Rob Freer | Z | 1,0 | 22 | 1750 |
| 15 | 06-07-2021 | Peter van Diepen | Z | 1,0 | 20 | 1757 |
| 16 | 13-07-2021 | Rob Heijink | W | 1,0 | 21 | 1766 |
| 17 | 20-07-2021 | Jos Vlaming | W | 0,0 | 0 | 1764 |
| Barrièrepunten | 300 | |||||
| Totaal | 462 | |||||