9 games · 2017–2026 · 9 classical · 0 online
Nielsen 13 draws5 Olsen
27.8% for Nielsen
Openings between them
| D36 | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | 2 | 25.0% |
| D85 | Grünfeld Defense: Exchange Variation | 2 | 25.0% |
| E10 | Indian Defense: Anti-Nimzo-Indian | 2 | 25.0% |
| A06 | Nimzo-Larsen Attack: Classical Variation | 1 | 100.0% |
| A13 | English Opening: Agincourt Defense, Catalan Defense Accepted | 1 | 0.0% |
| B90 | Sicilian Defense: Najdorf Variation | 1 | 0.0% |
All games
| Olsen, Filip Boe2456 | 0-1 | Nielsen, Viktor Haarmark2389 | ch-DEN 2026 | 2026 |
| Olsen, Filip Boe2447 | 1-0 | Nielsen, Viktor Haarmark2350 | ch-DEN 2025 | 2025 |
| Olsen, Filip Boe2435 | 1-0 | Nielsen, Viktor Haarmark2335 | ch-DEN 2023 | 2023 |
| Olsen, Filip Boe2427 | 1-0 | Nielsen, Viktor Haarmark2336 | Smuk Skak GM 2022 | 2022 |
| Olsen, Filip Boe2407 | ½-½ | Nielsen, Viktor Haarmark2323 | Copenhagen CC GM 2022 | 2022 |
| Nielsen, Viktor Haarmark2263 | 0-1 | Olsen, Filip Boe2366 | GoAudit Open 2021 | 2021 |
| Olsen, Filip Boe2397 | ½-½ | Nielsen, Viktor Haarmark2294 | Copenhagen CC GM 2021 | 2021 |
| Olsen, Filip Boe2312 | ½-½ | Nielsen, Viktor Haarmark2340 | Fredericia IM 2018 | 2018 |
| Olsen, Filip Boe2266 | 1-0 | Nielsen, Viktor Haarmark2302 | Odensemesterskabet IM2 | 2017 |