| Rondenlijst van Jan van Leeuwen | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 09-09-2025 | Arie de Groot | Z | 1,0 | 39,0 | 1412 |
| 2 | 16-09-2025 | Bram van Vliet | W | 1,0 | 44,0 | 1422 |
| 3 | 23-09-2025 | Kees van Rooijen | Z | 0,0 | 0,0 | 1412 |
| 4 | 30-09-2025 | Jan Haasnoot | Z | 0,0 | 0,0 | 1406 |
| 5 | 07-10-2025 | Hans Oosterbeek | W | 0,0 | 0,0 | 1396 |
| 6 | 14-10-2025 | Peter van Arnhem | W | 1,0 | 35,0 | 1399 |
| 7 | 21-10-2025 | Kock Versteeg | W | 0,5 | 23,5 | 1404 |
| 8 | 28-10-2025 | Kees Lugthart | W | 0,5 | 20,5 | 1405 |
| 9 | 04-11-2025 | oneven | 30,0 | |||
| 10 | 11-11-2025 | Peter Bakker | Z | 0,0 | 0,0 | 1395 |
| 11 | 18-11-2025 | Jan Haasnoot | W | 0,5 | 24,0 | 1399 |
| 12 | 25-11-2025 | Nico Warner | Z | 1,0 | 38,0 | 1406 |
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| Startwaarde | 8,0 | |||||
| Totaal | 262,0 | |||||