| Competition name |
| Group 1 - Gelder, van Leon |
| Site | Start date | 28-8-2025 | |
| City | Waalwijk | End date | 25-6-2026 |
| Country | Netherlands | Pairing system | Manual |
| Organization | Schaakverenigiing Waalwijk | Arbiters | Ron Verhoofstad |
| Gelder, van Leon | |
| ID | |
| Rating | 1866 |
| Categories | |
| Nr. | White | Black | Result |
| 1 | Remmers Hans | Gelder, van Leon | 0−1 |
| 2 | Gelder, van Leon | Dijk, van Sander | 0−1 |
| 3 | Gelder, van Leon | Sinnige Hans | ½−½ |
| 4 | Gelder, van Leon | Prins Robert | 1−0 |
| 5 | Gelder, van Leon | Bijnen, van Rene | 1−0 |
| 6 | Wanrooij, van Wim | Gelder, van Leon | 1−0 |