| Rapidtoernooi SV Castricum 2026 |
| Groep 1 - Jappe Koppenaal |
| Site | De Kern | Start date | 5/2/2026 |
| City | Castricum | End date | 5/2/2026 |
| Country | Netherlands | Pairing system | Swiss |
| Organization | Hans Leeuwerik | Arbiters |
| Jappe Koppenaal | |
| ID | 9048292 |
| Rating | 1605 |
| Categories | |
| Nr | White | Black | Result |
| 1 | Jappe Koppenaal | Ischa Zwikker | 1−0 |
| 2 | Egbert Kooiman | Jappe Koppenaal | 1−0 |
| 3 | Jappe Koppenaal | Rein Reek | 1−0 |
| 4 | Sjoerd Hoekstra | Jappe Koppenaal | 1−0 |
| 5 | Jappe Koppenaal | Loss bye | |
| 6 | Jappe Koppenaal | Loss bye | |
| 7 | Jappe Koppenaal | Loss bye |