| Mar 8, 2026 | Danielsen | 1–0 | Thorarinsson | Icelandic team chess championship premier league | Pirc Defense: Classical Variation, Quiet System, Czech Defense | |
| Mar 7, 2026 | Thorfinnsson | ½–½ | Thorarinsson | Icelandic team chess championship premier league | Pirc Defense: Byrne Variation | |
| Mar 7, 2026 | Thorarinsson | ½–½ | Gislason | Icelandic team chess championship premier league | King's Indian Defense: Orthodox Variation | |
| Mar 6, 2026 | Birkisson | 0–1 | Thorarinsson | Icelandic team chess championship premier league | Sicilian Defense: French Variation | |
| Mar 5, 2026 | Thorarinsson | 0–1 | Thorhallsson | Icelandic team chess championship premier league | Semi-Slav Defense | |
| Dec 4, 2025 | Skarphedinsson | ½–½ | Thorarinsson | Icelandic team chess championship premier league | Rat Defense: English Rat | |
| Nov 16, 2025 | Thorarinsson | 0–1 | Stefansson | Icelandic team chess championship premier league | Caro-Kann Defense: Panov Attack, Main Line | |
| Nov 15, 2025 | Ragnarsson | 1–0 | Thorarinsson | Icelandic team chess championship premier league | Modern Defense: Beefeater Variation | |
| Nov 15, 2025 | Thorarinsson | 0–1 | Thorfinnsson | Icelandic team chess championship premier league | ? | |
| Nov 14, 2025 | Thorarinsson | ½–½ | Birkisson | Icelandic team chess championship premier league | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Oct 19, 2025 | Rodshtein | 1–0 | Thorarinsson | Round 1: Rodshtein, Maxim - Thorarinsson, Pall A. | Bogo-Indian Defense: Retreat Variation | |
| Oct 25, 2024 | Thorarinsson | ½–½ | Evenshaug | 39th European Chess Club Cup | Catalan Opening: Open Defense, Classical Line | |
| Oct 24, 2024 | Thorarinsson | ½–½ | Dunne | 39th European Chess Club Cup | English Opening: Agincourt Defense | |
| Oct 23, 2024 | Willson | 1–0 | Thorarinsson | 39th European Chess Club Cup | Sicilian Defense: Alapin Variation | |
| Oct 22, 2024 | Thorarinsson | 0–1 | Kurochkin | 39th European Chess Club Cup | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Oct 21, 2024 | Offermann | 0–1 | Thorarinsson | 39th European Chess Club Cup | Dutch Defense: Leningrad Variation, Matulovic Variation | |
| May 6, 2024 | Sivanandan | ½–½ | Thorarinsson | Round 11: Sivanandan, Bodhana - Thorarinsson, Pall A. | Sicilian Defense: French Variation | |
| May 5, 2024 | Thorarinsson | 1–0 | Jones | Round 10: Thorarinsson, Pall A. - Jones, Steven A | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| May 4, 2024 | Harakis | * | Thorarinsson | Round 9: Harakis, Alexis M - Thorarinsson, Pall A. | ? | |
| Mar 16, 2024 | Thorarinsson | 1–0 | Rich | Round 7: Thorarinsson, Pall A. - Rich, Mark C | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 10, 2024 | Valdepenas Octavio | 1–0 | Thorarinsson | 4NCL Division Two | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 14, 2024 | Pigott | 1–0 | Thorarinsson | Main 4NCL League Division 2 - 2023/24 | Pirc Defense: Classical Variation, Quiet System | |
| Jan 13, 2024 | Thorarinsson | 0–1 | Bradbury | Main 4NCL League Division 2 - 2023/24 | Queen's Indian Defense: Kasparov-Petrosian Variation, Classical Variation | |
| Oct 20, 2024 | Thorarinsson | ½–½ | Prohaszka | Round 1: Thorarinsson, Pall A. - Prohaszka, Peter | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Nov 12, 2023 | Thorarinsson | 0–1 | Hng | 4NCL Division Two | Tarrasch Defense: Classical Variation, Endgame Variation | |
| Nov 11, 2023 | Kanellopoulos | 0–1 | Thorarinsson | Main 4NCL League Division 2 - 2023/24 | English Opening: Great Snake Variation | |
| Oct 2, 2023 | Thorarinsson | 0–1 | Gokerkan | European Chess Club Cup 2023 | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| May 1, 2023 | Royal | 1–0 | Thorarinsson | 4NCL Division 1 2022-2023 | Slav Defense: Modern Line | |
| Apr 30, 2023 | Keetman | ½–½ | Thorarinsson | 4NCL Division 1 2022-2023 | Pirc Defense: Byrne Variation | |
| Apr 29, 2023 | Thorarinsson | ½–½ | Macfarlane | 4NCL Division 1 2022-2023 | English Opening: Symmetrical Variation | |
| Mar 19, 2023 | Stewart | ½–½ | Thorarinsson | 4NCL Division 1 2022-2023 | English Opening: King's English Variation | |
| Mar 18, 2023 | Thorarinsson | 0–1 | Bates | 4NCL Division 1 2022-2023 | Nimzo-Indian Defense: Classical Variation, Milner-Barry Variation | |
| Feb 12, 2023 | Thorarinsson | 1–0 | Steil-Antoni | 4NCL Division 1 2022-2023 | Wade Defense | |
| Feb 11, 2023 | Harvey | 1–0 | Thorarinsson | 4NCL Division 1 2022-2023 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 15, 2023 | Zulfic | ½–½ | Thorarinsson | 4NCL Division 1 2022-2023 | Queen's Pawn Game: Modern Defense | |
| Jan 14, 2023 | Rowson | 1–0 | Thorarinsson | 4NCL Division 1 2022-2023 | Semi-Slav Defense: Stoltz Variation | |
| Oct 23, 2022 | Thorarinsson | 0–1 | Clarke | 4NCL Division 1 2022-2023 | King's Indian Defense: Orthodox Variation, Classical System | |
| Oct 22, 2022 | Thorarinsson | ½–½ | Jaracz | 4NCL Division 1 2022-2023 | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Oct 3, 2022 | Thorarinsson | 0–1 | Sargissian | 37th European Club Cup | Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation | |
| Feb 13, 2022 | Thorarinsson | 0–1 | Batchelor | 4NCL Main League 1-2 | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Feb 12, 2022 | Grant | 0–1 | Thorarinsson | 4NCL Main League 1-2 | Sicilian Defense: Kan Variation, Knight Variation | |
| — | Thorarinsson | ½–½ | Bremner | 4NCL Division 2 2023-2024 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| — | Thorarinsson | 1–0 | Johannsdottir | Icelandic Team Championship | Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense | |
| — | Bjornsson | 1–0 | Thorarinsson | Icelandic Team Championship | Nimzo-Indian Defense: Leningrad Variation | |
| — | Mai | ½–½ | Thorarinsson | Icelandic Team Championship | Pirc Defense: Sveshnikov System | |
