7 games · 2023–2026 · 7 classical · 0 online
Van der Werf 21 draws4 Slagboom
35.7% for Van der Werf
Openings between them
| A05 | Zukertort Opening | 1 | 0.0% |
| C50 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | 1 | 0.0% |
| C55 | Italian Game: Two Knights Defense, Modern Bishop's Opening | 1 | 0.0% |
| C58 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | 1 | 0.0% |
| C88 | Ruy Lopez: Closed, Anti-Marshall | 1 | 50.0% |
| D35 | Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 | 100.0% |
| D50 | Queen's Gambit Declined: Pseudo-Tarrasch Variation | 1 | 100.0% |
All games
| Van der Werf, M2384 | 0-1 | Slagboom, Leandro2334 | ch-NED Qualification TB | 2026 |
| Slagboom, Leandro2334 | 1-0 | Van der Werf, M2384 | ch-NED Qualification TB | 2026 |
| Slagboom, Leandro2334 | 1-0 | Van der Werf, M2384 | ch-NED Qualification TB | 2026 |
| Van der Werf, M2384 | 1-0 | Slagboom, Leandro2334 | ch-NED Qualification TB | 2026 |
| Slagboom, Leandro2334 | ½-½ | Van der Werf, M2384 | ch-NED Qualification 2026 | 2026 |
| Slagboom, Leandro2371 | 1-0 | Van der Werf, M2393 | Dutch League 2024-25 | 2025 |
| Van der Werf, M2392 | 1-0 | Slagboom, Leandro2191 | 82nd Noteboom Open | 2023 |