| DD interne 2024-2025 2e helft |
| Groep 1B - Jan Willem Koelmans |
| Site | NSG | Start date | 3/27/2025 |
| City | Den Haag | End date | 6/12/2025 |
| Country | Netherlands | Pairing system | Round Robin |
| Organisation | DD | Arbiters | Stefan Boeters |
| Jan Willem Koelmans | |
| ID | |
| Rating | 1803 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Stefan Boeters | Jan Willem Koelmans | ½−½ |
| 2 | Jan Willem Koelmans | Aldo Hennink | 0−1 |
| 3 | Leen Spaans | Jan Willem Koelmans | 0−1 |
| 4 | Jan Willem Koelmans | Hans Smallenbroek | ..... |
| 5 | Tomas Scholtus | Jan Willem Koelmans | ..... |
| 6 | Jan Willem Koelmans | Reinhard Henn | ..... |
| 7 | Frans Pieter van den Bos | Jan Willem Koelmans | ..... |
| 8 | Adrienne Cramer | Jan Willem Koelmans | ..... |
| 9 | Jan Willem Koelmans | Bert Jan te Paske | ..... |