| Rondenlijst van Klaas Veldhuijsen | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 06-04-2021 | Bert Burggraaff | W | 0,0 | 0,0 | 1855 |
| 2 | 06-04-2021 | Ruud Wouters | Z | 1,0 | 24,0 | 1856 |
| 3 | 13-04-2021 | Nico Warner | Z | 1,0 | 23,0 | 1857 |
| 4 | 13-04-2021 | Bram van Vliet | W | 1,0 | 27,0 | 1857 |
| 5 | 20-04-2021 | Kees van Rooijen | W | 0,0 | 0,0 | 1839 |
| 6 | 20-04-2021 | Jan van Oort | W | 1,0 | 25,0 | 1840 |
| 7 | 27-04-2021 | oneven | 20,0 | |||
| 8 | 27-04-2021 | Ruud Wouters | W | 1,0 | 24,0 | 1841 |
| 9 | 04-05-2021 | Kees Lugthart | Z | 1,0 | 26,0 | 1843 |
| 10 | 04-05-2021 | Bert Burggraaff | Z | 0,5 | 14,5 | 1843 |
| 11 | 11-05-2021 | Kees van Rooijen | Z | 1,0 | 28,0 | 1845 |
| 12 | 11-05-2021 | Nico Warner | W | 1,0 | 23,0 | 1846 |
| 13 | 18-05-2021 | Bram van Vliet | Z | 1,0 | 27,0 | 1846 |
| 14 | 18-05-2021 | Jan van Oort | Z | 1,0 | 25,0 | 1847 |
| 15 | 25-05-2021 | Bert Burggraaff | W | 1,0 | 29,0 | 1857 |
| 16 | 25-05-2021 | Ruud Wouters | Z | 1,0 | 24,0 | 1857 |
| 17 | 01-06-2021 | Kees van Rooijen | W | 1,0 | 28,0 | 1859 |
| 18 | 01-06-2021 | Bert Burggraaff | W | 1,0 | 29,0 | 1868 |
| 19 | 08-06-2021 | Kees Lugthart | Z | 1,0 | 26,0 | 1869 |
| 20 | 08-06-2021 | Bram van Vliet | W | 0,0 | 0,0 | 1850 |
| 21 | 15-06-2021 | Bert Burggraaff | Z | 0,0 | 0,0 | 1839 |
| 22 | 15-06-2021 | Bram van Vliet | Z | 1,0 | 27,0 | 1840 |
| 23 | 22-06-2021 | Ruud Wouters | Z | 1,0 | 24,0 | 1841 |
| 24 | 22-06-2021 | Kees van Rooijen | Z | 1,0 | 28,0 | 1843 |
| 25 | 29-06-2021 | Bert Burggraaff | Z | 0,5 | 14,5 | 1842 |
| 26 | 29-06-2021 | Kees Lugthart | W | 1,0 | 26,0 | 1843 |
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| Startwaarde | 29,0 | |||||
| Totaal | 571,0 | |||||