| Mar 21, 2026 | Blokhin | 1–0 | Thorisson | Round 5: Blokhin, Sofia - Thorisson, Benedikt | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Mar 21, 2026 | Voigt | 1–0 | Thorisson | Round 4: Voigt, Anastasia - Thorisson, Benedikt | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Mar 19, 2026 | Cummins | 0–1 | Thorisson | Round 1: Cummins, Finn - Thorisson, Benedikt | Sicilian Defense: Kan Variation, Knight Variation | |
| Sep 12, 2025 | Thorisson | ½–½ | Hermannsson | Haustmot TR 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Sep 3, 2025 | Bergsson | 1–0 | Thorisson | Haustmot TR 2025 | Sicilian Defense: Kan Variation | |
| Sep 3, 2025 | Thorisson | 1–0 | Sigurdsson | Haustmot TR 2025 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Sep 3, 2025 | Skarphedinsson | ½–½ | Thorisson | Haustmot TR 2025 | Grünfeld Defense: Three Knights Variation, Hungarian Attack | |
| Sep 3, 2025 | Thorisson | 1–0 | Gudnyjarson | Haustmot TR 2025 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Sep 3, 2025 | Hardarson | 1–0 | Thorisson | Haustmot TR 2025 | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Sep 3, 2025 | Bjornsson | 1–0 | Thorisson | Haustmot TR 2025 | Sicilian Defense: Smith-Morra Gambit Accepted, Classical Formation | |
| Sep 3, 2025 | Heidarsson | ½–½ | Thorisson | Haustmot TR 2025 | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Sep 3, 2025 | Thorisson | 0–1 | Ragnarsson | Haustmot TR 2025 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Jun 21, 2025 | Ptacnikova | ½–½ | Thorisson | Icelandic Open 2025 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 20, 2025 | Finnsson | 0–1 | Thorisson | Icelandic Open 2025 | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Jun 20, 2025 | Thorisson | 1–0 | Dietzsch | Icelandic Open 2025 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jun 19, 2025 | Thorisson | 0–1 | Sokolov | Icelandic Open 2025 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 19, 2025 | Petursson | ½–½ | Thorisson | Icelandic Open 2025 | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Jun 18, 2025 | Ragnarsson | 0–1 | Thorisson | Icelandic Open 2025 | East Indian Defense | |
| Jun 18, 2025 | Thorisson | 0–1 | Thorfinnsson | Icelandic Open 2025 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 17, 2025 | Shestak | 0–1 | Thorisson | Icelandic Open 2025 | Sicilian Defense: Kan Variation | |
| Jun 16, 2025 | Thorisson | 0–1 | Bjornsson | Icelandic Open 2025 | Sicilian Defense: Dragon Variation | |
| Mar 23, 2025 | Marchix | 1–0 | Thorisson | Round 5: Marchix, Esteban - Thorisson, Benedikt | Sicilian Defense: French Variation, Open | |
| Mar 22, 2025 | Thorisson | 1–0 | Rich | Round 4: Thorisson, Benedikt - Rich, Aaron | Sicilian Defense: Accelerated Dragon, Exchange Variation | |
| Mar 22, 2025 | Sheahan | ½–½ | Thorisson | Round 3: Sheahan, Ben - Thorisson, Benedikt | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Mar 21, 2025 | Thorisson | ½–½ | Shnurov | Round 2: Thorisson, Benedikt - Shnurov, Daniil | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Mar 21, 2025 | Badacsonyi | ½–½ | Thorisson | Round 1: Badacsonyi, Stanley - Thorisson, Benedikt | Grünfeld Defense: Three Knights Variation | |
| Aug 28, 2024 | Thorisson | 0–1 | Sachilaru | EYCC 2024 - O18 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Aug 25, 2024 | Thorisson | 0–1 | Paseka | EYCC 2024 - O18 | Sicilian Defense: Classical Variation | |
| Aug 22, 2024 | Thorisson | 0–1 | Chyzy | EYCC 2024 - O18 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 9, 2024 | Thorisson | 1–0 | Gudmundsson | Round 9: Thorisson, Benedikt - Gudmundsson, Gunnar Erik | French Defense: Exchange Variation | |
| Jun 8, 2024 | Birkisson | 1–0 | Thorisson | Round 8: Birkisson, Bjorn Holm - Thorisson, Benedikt | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Jun 7, 2024 | Petursson | ½–½ | Thorisson | Round 7: Petursson, Gudni - Thorisson, Benedikt | Queen's Pawn Game: Barry Attack, Grünfeld Variation | |
| Jun 6, 2024 | Thorisson | 1–0 | Oskarsson | Round 6: Thorisson, Benedikt - Oskarsson, Markus Orri | Sicilian Defense: Richter-Rauzer Variation | |
| Jun 5, 2024 | Jonsson | 1–0 | Thorisson | Round 5: Jonsson, Gauti Pall - Thorisson, Benedikt | Sicilian Defense: Kan Variation, Knight Variation | |
| Jun 4, 2024 | Thorisson | ½–½ | Birkisson | Round 4: Thorisson, Benedikt - Birkisson, Bardur Orn | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Jun 3, 2024 | Baldursson | 0–1 | Thorisson | Round 3: Baldursson, Haraldur - Thorisson, Benedikt | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Oct 30, 2024 | Kingsley | 0–1 | Thorisson | Round 8: Kingsley, Elias - Thorisson, Benedikt | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Oct 30, 2024 | Frank | ½–½ | Thorisson | Round 9: Frank, Anton - Thorisson, Benedikt | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 29, 2024 | Thorisson | 0–1 | Soderstrom | Round 7: Thorisson, Benedikt - Soderstrom, Adrian | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Oct 28, 2024 | Thorisson | ½–½ | Nilsson | Round 6: Thorisson, Benedikt - Nilsson, Oliver | Sicilian Defense: Taimanov Variation | |
| Oct 28, 2024 | Valcu | 1–0 | Thorisson | Round 5: Valcu, Lavinia - Thorisson, Benedikt | Grünfeld Defense: Zaitsev Gambit | |
| Oct 27, 2024 | Thorisson | ½–½ | Omarsson | Round 4: Thorisson, Benedikt - Omarsson, Adam | Sicilian Defense: Najdorf Variation | |
| Oct 26, 2024 | Thorisson | 1–0 | Ostensson | Round 2: Thorisson, Benedikt - Ostensson, Julia | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 26, 2024 | Lilliehook | 0–1 | Thorisson | Round 3: Lilliehook, Victor - Thorisson, Benedikt | Sicilian Defense: French Variation | |
| Oct 25, 2024 | Falkevall | 1–0 | Thorisson | Round 1: Falkevall, Axel - Thorisson, Benedikt | Grünfeld Defense: Exchange Variation | |
| Nov 13, 2023 | Elmi | 1–0 | Thorisson | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 18b | Zukertort Opening: Quiet System | |
| Mar 31, 2023 | Kunz | * | Thorisson | Reykjavik Open | ? | |
| Apr 10, 2022 | Coursaget | 1–0 | Thorisson | ROpen 2022 | Queen's Pawn Game: Barry Attack | |
| Apr 7, 2022 | Thorisson | 0–1 | Collins | Kvika Reykjavik Open 2022 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Retreat Line | |
| Apr 7, 2022 | Palsson | 0–1 | Thorisson | Kvika Reykjavik Open 2022 | French Defense: Advance Variation, Nimzowitsch System | |
| Apr 6, 2022 | Thorisson | ½–½ | Catona | Kvika Reykjavik Open 2022 | Caro-Kann Defense: Two Knights Attack | |
| Feb 27, 2022 | Strand | 0–1 | Thorisson | Krageroe Resort Chess 2022 ELO Group | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Feb 26, 2022 | Thorisson | ½–½ | Engeset | Krageroe Resort Chess 2022 ELO Group | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Feb 26, 2022 | Haugen | ½–½ | Thorisson | Krageroe Resort Chess 2022 ELO Group | English Opening: King's English Variation, Four Knights Variation, Korchnoi Line | |
| Feb 25, 2022 | Thorisson | 1–0 | Frovik | Krageroe Resort Chess 2022 ELO Group | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Feb 25, 2022 | Skaar | ½–½ | Thorisson | Krageroe Resort Chess 2022 ELO Group | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Feb 24, 2022 | Thorisson | ½–½ | Johannessen | Krageroe Resort Chess 2022 ELO Group | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Feb 24, 2022 | Alvanjyan | 0–1 | Thorisson | Krageroe Resort Chess 2022 ELO Group | French Defense: Schlechter Variation | |
| Feb 23, 2022 | Lie | ½–½ | Thorisson | Krageroe Resort Chess 2022 ELO Group | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Sep 2, 2021 | Sveinbjornsson | 0–1 | Thorisson | European Individual Chess Championship 2021 - Reykjavik Open | French Defense: Tarrasch Variation, Closed Variation | |
| Sep 1, 2021 | Vidarsson | 1–0 | Thorisson | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Defense: Sämisch Variation, Normal Defense | |
| Aug 31, 2021 | Thorisson | ½–½ | Hreinsson | European Individual Chess Championship 2021 - Reykjavik Open | French Defense: Tarrasch Variation, Open System, Main Line | |
| Aug 30, 2021 | Kueng | 1–0 | Thorisson | European Individual Chess Championship 2021 - Reykjavik Open | Grünfeld Defense: Russian Variation | |
| Aug 29, 2021 | Thorisson | 1–0 | Briem | European Individual Chess Championship 2021 - Reykjavik Open | Scandinavian Defense: Mieses-Kotroc Variation | |
| Aug 28, 2021 | Pozimski | 1–0 | Thorisson | European Individual Chess Championship 2021 - Reykjavik Open | Zukertort Opening: Queen's Gambit Invitation | |
| Aug 27, 2021 | Thorisson | 0–1 | Lorscheid | European Individual Chess Championship 2021 - Reykjavik Open | Pirc Defense | |
| Aug 26, 2021 | Vrolijk | 1–0 | Thorisson | European Individual Chess Championship 2021 - Reykjavik Open | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| — | Thorisson | ½–½ | Andries | Nordic Youth Chess Championship | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| — | Thorisson | 0–1 | Apol | Nordic Youth Chess Championship | Sicilian Defense: Najdorf Variation, English Attack | |
| — | Olsen | ½–½ | Thorisson | Nordic Youth Chess Championship | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| — | Lappalainen | 0–1 | Thorisson | Nordic Youth Chess Championship | Sicilian Defense: Closed | |
| — | Odner | 1–0 | Thorisson | Nordic Youth Chess Championship | Grünfeld Defense: Exchange Variation | |
| — | Amundsen | ½–½ | Thorisson | Nordic Youth Chess Championship | King's Indian Attack: Symmetrical Defense | |
