| 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 | 1712 |
| Nr. | White | Black | Result |
| 1 | Anja Vis | Jan Ackerman | 0−1 |
| 2 | Jan Ackerman | Ed van Eeden | 0−1 |
| 3 | Leon Elferink | Jan Ackerman | 0−1 |
| 4 | Jan Ackerman | Mika Kleibeuker | 0−1 |
| 5 | Jan Ackerman | Abs with msg | |
| 6 | Jan Ackerman | Abs with msg | |
| 7 | Jan Ackerman | Abs with msg | |
| 8 | Jan Ackerman | Thijs Oostveen | 0−1 |
| 9 | Jan Ackerman | Abs with msg | |
| 10 | Jan Ackerman | Abs with msg | |
| 11 | Jan Ackerman | Abs with msg | |
| 12 | Jan Ackerman | Abs with msg |