| Seizoen volmaken 2025 |
| Group 1 - Jan Hettema |
| Site | Start date | 20-5-2025 | |
| City | End date | 24-6-2025 | |
| Country | Pairing system | Keizer | |
| Organization | Arbiters |
| Jan Hettema | |
| ID | |
| Rating | 1671 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Jan Hettema | Koos Hoogland | ½−½ |
| 2 | Jan Hettema | Paul Roomer | 0−1 |
| 3 | Eddy de Wit | Jan Hettema | 1−0 |
| 4 | Jan Hettema | Reg Roodzant | 0−1 |
| 5 | Jaap Baalbergen | Jan Hettema | 1−0 |