| Mar 8, 2026 | Thorhallsson | 0–1 | Stefansson | Icelandic team chess championship premier league | Hungarian Opening | |
| Mar 7, 2026 | Thorhallsson | 0–1 | Ragnarsson | Icelandic team chess championship premier league | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Mar 7, 2026 | Thorfinnsson | 1–0 | Thorhallsson | Icelandic team chess championship premier league | Trompowsky Attack | |
| Mar 6, 2026 | Thorhallsson | 0–1 | Johannsson | Icelandic team chess championship premier league | Caro-Kann Defense: Tartakower Variation | |
| Mar 5, 2026 | Gretarsson | 1–0 | Thorhallsson | Icelandic team chess championship premier league | King's Indian Defense | |
| Dec 4, 2025 | Thorhallsson | 1–0 | Johannesson | Icelandic team chess championship premier league | Catalan Opening: Closed | |
| Nov 16, 2025 | Chasin | 1–0 | Thorhallsson | Icelandic team chess championship premier league | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Nov 15, 2025 | Thorhallsson | 0–1 | Laurusas | Icelandic team chess championship premier league | Old Indian Defense: Ukrainian Variation | |
| Nov 15, 2025 | Williams | 1–0 | Thorhallsson | Icelandic team chess championship premier league | Trompowsky Attack | |
| Nov 14, 2025 | Briem | 0–1 | Thorhallsson | Icelandic team chess championship premier league | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Jun 21, 2025 | Petursson | 0–1 | Thorhallsson | Icelandic Open 2025 | Pirc Defense: Classical Variation, Quiet System, Chigorin Line | |
| Jun 20, 2025 | Thorhallsson | 1–0 | Bjarnason | Icelandic Open 2025 | Caro-Kann Defense | |
| Jun 20, 2025 | Thorhallsson | 0–1 | Omarsson | Icelandic Open 2025 | Nimzo-Larsen Attack: Indian Variation | |
| Jun 19, 2025 | Bjornsson | 0–1 | Thorhallsson | Icelandic Open 2025 | Pirc Defense: Classical Variation, Quiet System | |
| Jun 19, 2025 | Thorhallsson | 1–0 | Oskarsson | Icelandic Open 2025 | Queen's Pawn Game: Colle System | |
| Jun 18, 2025 | Thorhallsson | 0–1 | Omarsson | Icelandic Open 2025 | King's Indian Defense: Sämisch Variation, Normal Defense | |
| Jun 18, 2025 | Karason | ½–½ | Thorhallsson | Icelandic Open 2025 | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jun 17, 2025 | Thorhallsson | ½–½ | Briem | Icelandic Open 2025 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jun 16, 2025 | Schitco | 1–0 | Thorhallsson | Icelandic Open 2025 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Oct 25, 2024 | Walgren | 0–1 | Thorhallsson | 39th European Chess Club Cup | Sicilian Defense: Classical Variation | |
| Oct 24, 2024 | Melling | ½–½ | Thorhallsson | 39th European Chess Club Cup | London System | |
| Oct 23, 2024 | Thorhallsson | 1–0 | Grant | 39th European Chess Club Cup | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line | |
| Oct 22, 2024 | Alekseev | 0–1 | Thorhallsson | 39th European Chess Club Cup | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Oct 21, 2024 | Thorhallsson | 1–0 | Roth | 39th European Chess Club Cup | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | |
| Oct 20, 2024 | Balog | 1–0 | Thorhallsson | Round 1: Balog, Imre - Thorhallsson, Simon | Queen's Pawn Game: London System | |
| May 1, 2022 | Thorhallsson | ½–½ | Thorhallsson | Icelandic Chess Championship 2022 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 30, 2022 | Thorhallsson | ½–½ | Heimisson | Icelandic Chess Championship 2022 | Petrov's Defense: Nimzowitsch Attack | |
| Apr 27, 2022 | Stefansson | 1–0 | Thorhallsson | Icelandic Chess Championship 2022 | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line | |
| Apr 26, 2022 | Thorhallsson | 0–1 | Steingrimsson | Icelandic Chess Championship 2022 | Slav Defense: Quiet Variation | |
| Apr 25, 2022 | Mai | 1–0 | Thorhallsson | Icelandic Chess Championship 2022 | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Apr 24, 2022 | Thorhallsson | 0–1 | Gretarsson | Icelandic Chess Championship 2022 | Slav Defense: Quiet Variation, Schallopp Defense | |
| Apr 23, 2022 | Thorhallsson | 0–1 | Kjartansson | Icelandic Chess Championship 2022 | Slav Defense: Modern Line | |
| Apr 22, 2022 | Stefansson | 1–0 | Thorhallsson | Icelandic Chess Championship 2022 | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Apr 21, 2022 | Thorhallsson | ½–½ | Thorfinnsson | Icelandic Chess Championship 2022 | Dutch Defense: Stonewall Variation, Modern Variation | |
| Apr 12, 2022 | Thorhallsson | 0–1 | Briem | ROpen 2022 | Sicilian Defense: Moscow Variation, Main Line | |
| Apr 11, 2022 | Bartelt | 0–1 | Thorhallsson | ROpen 2022 | King's Indian Defense: Fianchetto Variation, Yugoslav System | |
| Apr 7, 2022 | Schultze | 1–0 | Thorhallsson | Reykjavik Open 2022 | King's Indian Defense: Semi-Averbakh System | |
| Feb 27, 2022 | Thorhallsson | 0–1 | Osmak | Krageroe Resort Chess 2022 | Catalan Opening: Closed | |
| Feb 26, 2022 | Sjoberg | 0–1 | Thorhallsson | Krageroe Resort Chess 2022 | Sicilian Defense: Sozin Attack, Flank Variation | |
| Feb 26, 2022 | Injac | ½–½ | Thorhallsson | Krageroe Resort Chess 2022 | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Feb 25, 2022 | Vestby-Ellingsen | 1–0 | Thorhallsson | Krageroe Resort Chess 2022 | Nimzo-Indian Defense: Sämisch Variation | |
| Feb 24, 2022 | Thorhallsson | ½–½ | Mikalsen | Krageroe Resort Chess 2022 | Sicilian Defense: Richter-Rauzer Variation | |
| Feb 23, 2022 | Seo | 1–0 | Thorhallsson | Krageroe Resort Chess 2022 | King's Indian Defense: Semi-Averbakh System | |
| Sep 24, 2021 | Payne | * | Thorhallsson | 36th European Club Cup | ? | |
| Sep 23, 2021 | Thorhallsson | * | Budima | 36th European Club Cup | ? | |
| Sep 22, 2021 | Sylvan | 0–1 | Thorhallsson | 36th European Club Cup | ? | |
| Sep 21, 2021 | Thorhallsson | * | Miljkovic | 36th European Club Cup | ? | |
| Sep 20, 2021 | Gibicar | * | Thorhallsson | 36th European Club Cup | ? | |
| Sep 19, 2021 | Thorhallsson | * | Mihajlov | 36th European Club Cup | ? | |
| Sep 18, 2021 | Abasov | 1–0 | Thorhallsson | 36th European Club Cup | French Defense: Exchange Variation | |
| Sep 2, 2021 | Nielsen | 0–1 | Thorhallsson | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Defense: Semi-Averbakh System | |
| Sep 1, 2021 | Vrolijk | 1–0 | Thorhallsson | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Aug 31, 2021 | Thorhallsson | ½–½ | Gretarsson | European Individual Chess Championship 2021 - Reykjavik Open | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Aug 30, 2021 | Ftacnik | ½–½ | Thorhallsson | European Individual Chess Championship 2021 - Reykjavik Open | English Opening: Symmetrical Variation, Four Knights Variation | |
| Aug 29, 2021 | Thorhallsson | 1–0 | Haraldsson | European Individual Chess Championship 2021 - Reykjavik Open | Italian Game: Paris Defense | |
| Aug 28, 2021 | Quparadze | 1–0 | Thorhallsson | European Individual Chess Championship 2021 - Reykjavik Open | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Aug 27, 2021 | Thorhallsson | 1–0 | Ragnarsson | European Individual Chess Championship 2021 - Reykjavik Open | Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | |
| Aug 26, 2021 | Bartel | 1–0 | Thorhallsson | European Individual Chess Championship 2021 - Reykjavik Open | French Defense: Chigorin Variation | |
| — | Thorhallsson | 0–1 | George Samir | ROpen 2022 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| — | Thorhallsson | ½–½ | Williams | Goðinn 20th Anniversary Open | French Defense: Burn Variation | |
| — | Thorhallsson | 0–1 | Oskarsson | Goðinn 20th Anniversary Open | Queen's Pawn Game: London System, with e6 | |
| — | Thorhallsson | 1–0 | Magnusdottir | Goðinn 20th Anniversary Open | Sicilian Defense: Closed | |
| — | Bjarnason | 0–1 | Thorhallsson | Goðinn 20th Anniversary Open | Rat Defense: Harmonist | |
| — | Thorgeirsson | 1–0 | Thorhallsson | Goðinn 20th Anniversary Open | Polish Opening | |
| — | Hallmundarson | 0–1 | Thorhallsson | Goðinn 20th Anniversary Open | English Opening: Symmetrical Variation, Four Knights Variation | |
