| Interne Competitie SENIOREN |
| Senioren - Marijn Jansen |
| 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 |
| Marijn Jansen | |
| Rating | 1900 |
| Nr. | White | Black | Result |
| 1 | Marijn Jansen | Abs with msg | |
| 2 | Marijn Jansen | Abs with msg | |
| 3 | Marijn Jansen | Abs with msg | |
| 4 | Marijn Jansen | Abs with msg | |
| 5 | Marijn Jansen | Stefan Vosshard | ½−½ |
| 6 | Ed van Eeden | Marijn Jansen | 1−0 |
| 7 | Marc Jongerius | Marijn Jansen | 1−0 |
| 8 | Marijn Jansen | Jon van Midde | 1−0 |
| 9 | Marijn Jansen | Abs with msg | |
| 10 | Marijn Jansen | Abs with msg | |
| 11 | Marijn Jansen | Abs with msg | |
| 12 | Marijn Jansen | Abs with msg |