| Interne Competitie SENIOREN |
| Senioren - Bastiaan Vedder |
| 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 |
| Bastiaan Vedder | |
| Rating | 1300 |
| Nr. | White | Black | Result |
| 1 | Bastiaan Vedder | Abs with msg | |
| 2 | Bastiaan Vedder | Abs with msg | |
| 3 | Bastiaan Vedder | Abs with msg | |
| 4 | Bastiaan Vedder | Abs with msg | |
| 5 | Bastiaan Vedder | Marc Speijers | 0−1 |
| 6 | Piet Kooiman | Bastiaan Vedder | 1−0 |
| 7 | Bastiaan Vedder | Guus van Eeden | 0−1 |
| 8 | Wouter Visser | Bastiaan Vedder | 1−0 |
| 9 | Bastiaan Vedder | Abs with msg | |
| 10 | Bastiaan Vedder | Abs with msg | |
| 11 | Bastiaan Vedder | Abs with msg | |
| 12 | Bastiaan Vedder | Abs with msg |