4 games · 2020–2026 · 3 classical · 1 online
Thorhallsson 02 draws2 Gretarsson
25.0% for Thorhallsson
Openings between them
| B00 | Pirc Defense | 1 | 0.0% |
| B06 | Modern Defense: Standard Defense | 1 | 50.0% |
| C58 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | 1 | 50.0% |
| E61 | King's Indian Defense | 1 | 0.0% |
All games
| Gretarsson, He2414 | 1-0 | Thorhallsson, Simon2243 | TCh-ISL Kvika 2025-26 | 2026 |
| Thorhallsson, Simon2199 | ½-½ | Gretarsson, He2447 | 21st ch-EUR Indiv 2021 | 2021 |
| Thorhallsson, Simon2222 | ½-½ | Gretarsson, He2440 | ch-ISL Rapid 2020 | 2020 |
| Thorhallsson, Simon2215 | 0-1 | Gretarsson, He2401 | Reykjavik CC Autumn 2020 | 2020 |