| Interne competitie 2024_2025 |
| Groep 1 - Klaas Wiersema |
| Site | Start date | 22/02/2023 | |
| City | End date | 22/02/2023 | |
| Country | Pairing system | Keizer | |
| Organization | Arbiters |
| Klaas Wiersema | |
| ID | |
| Rating | 1098 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Klaas Wiersema | Bastiaan Beekman | 0−1 |
| 2 | Klaas Wiersema | Cisko Meulenkamp | 0−1 |
| 3 | Jaap Dijkstra | Klaas Wiersema | 0−1 |
| 4 | Klaas Wiersema | Han Wildevuur | 0−1 |
| 5 | Klaas Wiersema | Manual pairing bye | |
| 6 | Klaas Wiersema | Abs for club | |
| 7 | Klaas Wiersema | Manual pairing bye | |
| 8 | Sirion Dijks | Klaas Wiersema | 1−0 |
| 9 | Jan Oord | Klaas Wiersema | 1−0 |
| 10 | Klaas Wiersema | Abs with msg | |
| 11 | Klaas Wiersema | Jordi de Kuijper | 0−1 |
| 12 | Klaas Wiersema | Abs with msg | |
| 13 | Klaas Wiersema | Abs with msg | |
| 14 | Jaap Dijkstra | Klaas Wiersema | 1−0 |