| Interne Competitie SENIOREN |
| Senioren - Jan Ackerman |
| Site | Boorstraat | Start date | 25-10-2022 |
| City | Utrecht | End date | 31-5-2023 |
| Country | Netherlands | Pairing system | Swiss |
| Organization | Schaakvereniging Oud Zuylen Utrecht | Arbiters | Marc Jongerius |
| Jan Ackerman | |
| Rating | 1622 |
| Nr. | White | Black | Result |
| 1 | Jan Ackerman | Thijs Oostveen | 0−1 |
| 2 | Jan Ackerman | Maarten Bakker | 1−0 |
| 3 | Ed van Eeden | Jan Ackerman | 1−0 |
| 4 | Celia Keizer | Jan Ackerman | 0−1 |