| Rondenlijst van Jan van der Born | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 04-09-2025 | afgezegd | 11,7 | |||
| 2 | 11-09-2025 | afgezegd | 12,7 | |||
| 3 | 18-09-2025 | afgezegd | 11,7 | |||
| 4 | 25-09-2025 | afgezegd | 11,0 | |||
| 5 | 02-10-2025 | Jan Kraijesteijn | Z | 1,0 | 35,0 | 1594 |
| 6 | 09-10-2025 | Dick de Bruijn | W | 1,0 | 39,7 | 1597 |
| 7 | 16-10-2025 | Mart van Klaveren | Z | 0,0 | 7,0 | 1571 |
| 8 | 23-10-2025 | afgezegd | 11,7 | |||
| 9 | 30-10-2025 | Guy Luder | Z | 1,0 | 44,3 | 1583 |
| 10 | 06-11-2025 | Ludwig Magrutsch | W | 1,0 | 44,3 | 1586 |
| 11 | 13-11-2025 | afgezegd | 14,3 | |||
| 12 | 20-11-2025 | Nico Dannis | W | 1,0 | 45,5 | 1596 |
| 13 | 27-11-2025 | Peter de Louw | W | 0,0 | 8,0 | 1586 |
| 14 | 04-12-2025 | Hans van Offeren | Z | 1,0 | 46,7 | 1596 |
| 15 | 11-12-2025 | Henk Erkelens | W | 1,0 | 49,0 | 1606 |
| 16 | 15-01-2026 | Derek Zuurmond | W | 0,0 | 10,0 | 1600 |
| 17 | 22-01-2026 | Ton van Nieukerke | Z | 0,5 | 34,0 | 1601 |
| 18 | 29-01-2026 | Camiel van der Stoep | Z | 0,0 | 7,3 | 1574 |
| 19 | 05-02-2026 | afgezegd | 14,3 | |||
| 20 | 12-02-2026 | Govert van Klaveren | W | 0,5 | 36,0 | 1574 |
| 21 | 19-02-2026 | oneven | 43,0 | |||
| 22 | 26-02-2026 | Jan Breedijk | Z | 1,0 | 53,7 | 1599 |
| 23 | 05-03-2026 | afgezegd | 15,7 | |||
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| Totaal | 606,5 | |||||