| Rondenlijst van Marien de Jonge | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 07-09-2020 | Sebastiaan Visser | Z | 1,0 | 41,0 | 1661 |
| 2 | 14-09-2020 | afgezegd | 14,7 | |||
| 3 | 21-09-2020 | afgezegd | 14,7 | |||
| 4 | 28-09-2020 | Jan van Dongen | Z | 1,0 | 43,0 | 1670 |
| 5 | 05-10-2020 | Antoine Hoevenaren | W | 1,0 | 45,0 | 1683 |
| 6 | 12-10-2020 | Teus Morée | W | 1,0 | 38,0 | 1691 |
| 7 | 19-10-2020 | Paul Muijs | W | 1,0 | 35,0 | 1698 |
| 8 | 26-10-2020 | André van der Beek | Z | 0,0 | 0,0 | 1686 |
| 9 | 02-11-2020 | Fred Beumer | W | 0,5 | 20,0 | 1684 |
| 10 | 09-11-2020 | Sebastiaan Visser | W | 1,0 | 41,0 | 1692 |
| 11 | 16-11-2020 | Kees Romeijn | Z | 0,0 | 0,0 | 1680 |
| 12 | 23-11-2020 | Ad Huijsman | Z | 1,0 | 37,0 | 1687 |
| 13 | 30-11-2020 | Jan van Dongen | W | 0,0 | 0,0 | 1676 |
| 14 | 07-12-2020 | Antoine Hoevenaren | Z | 0,5 | 22,5 | 1679 |
| 15 | 14-12-2020 | afgezegd | 14,7 | |||
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| Startwaarde | 0,0 | |||||
| Totaal | 366,5 | |||||