17 games · 2018–2025 · 11 classical · 6 online
De Boer 25 draws10 Beerdsen
26.5% for De Boer
Openings between them
| B90 | Sicilian Defense: Najdorf Variation | 4 | 12.5% |
| B33 | Sicilian Defense: Open | 2 | 50.0% |
| A14 | English Opening: Agincourt Defense, Neo-Catalan Declined | 1 | 50.0% |
| A40 | English Defense | 1 | 100.0% |
| B10 | Caro-Kann Defense: Two Knights Attack | 1 | 0.0% |
| B94 | Sicilian Defense: Najdorf Variation | 1 | 0.0% |
| C15 | French Defense: Winawer Variation, Delayed Exchange Variation | 1 | 0.0% |
| C47 | Four Knights Game: Glek System | 1 | 0.0% |
| C64 | Ruy Lopez: Classical Variation | 1 | 50.0% |
| D31 | Queen's Gambit Declined: Janowski Variation | 1 | 0.0% |
| D96 | Grünfeld Defense: Russian Variation | 1 | 50.0% |
| D97 | Grünfeld Defense: Russian Variation, Szabo Variation | 1 | 50.0% |