4 games · 2017–2026 · 4 classical · 0 online
Thorfinnsson 13 draws0 Birkisson
62.5% for Thorfinnsson
Openings between them
| B23 | Sicilian Defense: Closed, Traditional | 1 | 100.0% |
| B52 | Sicilian Defense: Moscow Variation, Main Line | 1 | 50.0% |
| B53 | Sicilian Defense: Chekhover Variation | 1 | 50.0% |
| C77 | Ruy Lopez: Morphy Defense, Tarrasch Variation | 1 | 50.0% |
All games
| Thorfinnsson, Br2377 | ½-½ | Birkisson, Bjorn Holm2200 | TCh-ISL Kvika 2025-26 | 2026 |
| Thorfinnsson, Br2354 | ½-½ | Birkisson, Bjorn Holm2128 | Icelandic Open 100yr 2025 | 2025 |
| Thorfinnsson, Br2438 | ½-½ | Birkisson, Bjorn Holm2078 | Kragero Resort Chess 2019 | 2019 |
| Thorfinnsson, Br2443 | 1-0 | Birkisson, Bjorn Holm2002 | Northern Lights Open 2017 | 2017 |