| Intern 2024/2025 |
| Group 1 - Jan Ackerman |
| Site | Dijckzigt | Start date | 10-9-2024 |
| City | Utrecht | End date | 1-7-2025 |
| Country | Netherlands | Pairing system | Ladder |
| Organization | Schaakvereniging Oud Zuylen Utrecht | Arbiters | Marc Jongerius |
| Jan Ackerman | |
| ID | |
| Rating | 1554 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Jan Ackerman | Jan Maarten van den Boogaart | 0−1 |
| 2 | Geert Verweij | Jan Ackerman | 1−0 |
| 3 | Bert Lardenoye | Jan Ackerman | ½−½ |
| 4 | Martijn de Haan | Jan Ackerman | 0−1 |
| 5 | Jan Ackerman | Abs with msg | |
| 6 | Jan Ackerman | Rene ten Bos | 0−1 |
| 7 | Jan Ackerman | Abs with msg | |
| 8 | Jan Ackerman | Thijs Oostveen | 0−1 |
| 9 | Giovanni van Basten | Jan Ackerman | 0−1 |
| 10 | Jan Ackerman | Harm−Theo Wagenaar | 0−1 |
| 11 | Jan Ackerman | Abs with msg | |
| 12 | Jan Ackerman | Geert Verweij | 1−0 |
| 13 | Jan Ackerman | Andre Bouwmeester | 0−1 |
| 14 | Jan Ackerman | Abs for club | |
| 15 | Guus van Eeden | Jan Ackerman | 0−1 |
| 16 | Jan Ackerman | Abs with msg | |
| 17 | Jan Ackerman | Abs with msg | |
| 18 | Jan Ackerman | Pieter Slomp | 1−0 |
| 19 | Jan Ackerman | Abs with msg | |
| 20 | Jan Ackerman | Bert Lardenoye | ½−½ |
| 21 | Jan Ackerman | Abs for club | |
| 22 | Rene ten Bos | Jan Ackerman | 1−0 |
| 23 | Jan Ackerman | Albert Jan Fischer | 0−1 |
| 24 | Jan Ackerman | Guus van Eeden | 1−0 |
| 25 | Jan Ackerman | Abs with msg | |
| 26 | Jan Ackerman | Abs with msg | |
| 27 | Wout van Veen | Jan Ackerman | 1−0 |
| 28 | Thijs Oostveen | Jan Ackerman | ½−½ |
| 29 | Jan Ackerman | Ed van Eeden | 0−1 |