2 games · 2025–2026 · 2 classical · 0 online
Sielecki 02 draws0 Van der Werf
50.0% for Sielecki
Openings between them
| C85 | Ruy Lopez: Closed, Delayed Exchange | 1 | 50.0% |
| E92 | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | 1 | 50.0% |
All games
| Sielecki, C2385 | ½-½ | Van der Werf, M2384 | ECU Senior +50 2026 | 2026 |
| Van der Werf, M2390 | ½-½ | Sielecki, C2390 | 23rd ch-Euro Seniors +50 | 2025 |