| Interne Competitie SENIOREN |
| Senioren - Leon Elferink |
| 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 |
| Leon Elferink | |
| Rating | 0 |
| Nr. | White | Black | Result |
| 1 | Leon Elferink | Abs with msg | |
| 2 | Leon Elferink | Abs with msg | |
| 3 | Leon Elferink | Jan Ackerman | 0−1 |
| 4 | Leon Elferink | Anja Vis | 1−0 |
| 5 | Leon Elferink | Abs with msg | |
| 6 | Leon Elferink | Abs with msg | |
| 7 | Leon Elferink | Abs with msg | |
| 8 | Rene ten Bos | Leon Elferink | 1−0 |
| 9 | Leon Elferink | Abs with msg | |
| 10 | Leon Elferink | Abs with msg | |
| 11 | Leon Elferink | Abs with msg | |
| 12 | Leon Elferink | Abs with msg |