| Competition nameSGK Kerst 2025 |
| Group 1 - Jan van Dam |
| Site | Start date | 23-12-2025 | |
| City | End date | 23-12-2025 | |
| Country | Netherlands | Pairing system | Swiss |
| Organization | Schaakgroep Koedijk | Arbiters |
| Jan van Dam | |
| ID | |
| Rating | 0 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Hans Schoon | Jan van Dam | 0−1 |
| 2 | Jan van Dam | Gert Kalkhoven | 0−1 |
| 3 | Jan Rietveld | Jan van Dam | 1−0 |
| 4 | Jan van Dam | John Fokke | 1−0 |
| 5 | Wim Voet | Jan van Dam | 0−1 |
| 6 | Jan van Dam | Arno Vrins | 1−0 |
| 7 | André Buter | Jan van Dam | 1−0 |
| 8 | Jan van Dam | John Beerends | 1−0 |
| 9 | Timon Ensink | Jan van Dam | 0−1 |