3 games · 2015–2019 · 3 classical · 0 online
Nielsen 30 draws0 Jacobsen
100.0% for Nielsen
Openings between them
| C27 | Vienna Game: Frankenstein-Dracula Variation | 1 | 100.0% |
| C42 | Petrov's Defense: Millennium Attack | 1 | 100.0% |
| C48 | Four Knights Game: Spanish Variation, Rubinstein Variation Accepted | 1 | 100.0% |
All games
| Jacobsen, Heidrikur T.1935 | 0-1 | Nielsen, Ro2339 | TCh-FAI 2018-19 | 2019 |
| Jacobsen, Heidrikur T.1935 | 0-1 | Nielsen, Ro2339 | Runavik Open 2018 | 2018 |
| Nielsen, Ro2295 | 1-0 | Jacobsen, Heidrikur T.1940 | ch-FAI 2015 | 2015 |