| Intern 2026/2027 |
| Group 1 - Jaap van der Tuuk |
| Site | Dijckzigt | Start date | 9-9-2025 |
| City | Utrecht | End date | 1-7-2026 |
| Country | Netherlands | Pairing system | Ladder |
| Organization | Schaakvereniging Oud Zuylen Utrecht | Arbiters | Marc Jongerius |
| Jaap van der Tuuk | |
| ID | |
| Rating | 2090 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Jaap van der Tuuk | Abs with msg | |
| 2 | Jaap van der Tuuk | Jan Maarten van den Boogaart | ½−½ |