| Winter 2425 |
| Groep A - Gert Kalkhoven |
| Site | Start date | 27-8-2024 | |
| City | End date | 4-2-2025 | |
| Country | Pairing system | Round Robin | |
| Organization | Arbiters |
| Gert Kalkhoven | |
| ID | |
| Rating | 1865 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Gert Kalkhoven | Rinus Roskam | ½−½ |
| 2 | Jaap Baalbergen | Gert Kalkhoven | ½−½ |
| 3 | Mathijs Vlam | Gert Kalkhoven | ½−½ |
| 4 | Gert Kalkhoven | ... | |
| 5 | Paul Roomer | Gert Kalkhoven | 0−1 |
| 6 | Gert Kalkhoven | Jan Barteling | 0−1 |
| 7 | Gert Kalkhoven | Pairing alloc bye | |
| 8 | André Buter | Gert Kalkhoven | ½−½ |
| 9 | Gert Kalkhoven | Hans de Jong | ½−½ |
| 10 | Jan Rietveld | Gert Kalkhoven | 0−1 |
| 11 | Gert Kalkhoven | Jan van Dam | 0−1 |