| Rondenlijst van Willem van Biezen | ||||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | WP | SB | Rating |
| 1 | 07-01-2020 | Ron Brands | Z | 0.0 | 0 | 15 | 0.0 | 1558 |
| 2 | 14-01-2020 | Ben Rotteveel | Z | 0.0 | 0 | 10 | 0.0 | 1549 |
| 3 | 21-01-2020 | oneven | 2 | 0 | 0.0 | |||
| 4 | 28-01-2020 | Leon vd Meer | W | 1.0 | 2 | 3 | 3.0 | 1557 |
| 5 | 04-02-2020 | Bernard Touber | W | 0.0 | 0 | 9 | 0.0 | 1549 |
| 6 | 11-02-2020 | Pieter Fortuin | W | 0.0 | 0 | 6 | 0.0 | 1538 |
| 7 | 18-02-2020 | Kas Jansen | Z | 1.0 | 2 | 6 | 6.0 | 1548 |
| 8 | 25-02-2020 | Albert Olthof | Z | 0.0 | 0 | 12 | 0.0 | 1543 |
| 9 | 03-03-2020 | Menno van Dijk | Z | 1.0 | 2 | 6 | 6.0 | 1554 |
| 10 | 10-03-2020 | Ignace Rood | W | 1.0 | 2 | 17 | 17.0 | 1568 |
| Totaal | 10 | 84 | 32.00 | |||||