| Jun 7, 2026 | Birkisson | 1–0 | Jonsson | Skákþing Íslands - Áskorendaflokkur 2026 | Benko Gambit Accepted: King Walk Variation | |
| Jun 6, 2026 | Jonsson | 1–0 | Oskarsson | Skákþing Íslands - Áskorendaflokkur 2026 | French Defense: Classical Variation, Burn Variation | |
| Jun 5, 2026 | Omarsson | 0–1 | Jonsson | Skákþing Íslands - Áskorendaflokkur 2026 | Benko Gambit Accepted: Fully Accepted Variation | |
| Jun 4, 2026 | Jonsson | 0–1 | Birkisson | Skákþing Íslands - Áskorendaflokkur 2026 | French Defense: Classical Variation, Swiss Variation | |
| Jun 1, 2026 | Johannsson | 0–1 | Jonsson | Skákþing Íslands - Áskorendaflokkur 2026 | Sicilian Defense: Kalashnikov Variation | |
| May 31, 2026 | Jonsson | 1–0 | Hermannsson | Skákþing Íslands - Áskorendaflokkur 2026 | Van Geet Opening | |
| May 30, 2026 | Hallmundarson | ½–½ | Jonsson | Skákþing Íslands - Áskorendaflokkur 2026 | English Opening: Symmetrical Variation | |
| May 30, 2026 | Jonsson | ½–½ | Davidsson | Skákþing Íslands - Áskorendaflokkur 2026 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 25, 2026 | Omnes | * | Jonsson | Round 7: Omnes, Tiago - Jonsson, Gauti Pall | ? | |
| May 25, 2026 | Jonsson | * | Katumwa | Round 6: Jonsson, Gauti Pall - Katumwa, Iko | ? | |
| May 24, 2026 | Van der Leij | * | Jonsson | Round 5: Van der Leij, Arjan - Jonsson, Gauti Pall | ? | |
| May 24, 2026 | Jonsson | * | Drugmand | Round 4: Jonsson, Gauti Pall - Drugmand, Benoit | ? | |
| May 23, 2026 | Eedle | * | Jonsson | Round 3: Eedle, Eric F - Jonsson, Gauti Pall | ? | |
| May 23, 2026 | Jonsson | * | Aryan Goyal | Round 2: Jonsson, Gauti Pall - Aryan Goyal | ? | |
| May 22, 2026 | Ngo | 1–0 | Jonsson | Round 1: Ngo, Quang Thai - Jonsson, Gauti Pall | Trompowsky Attack: Classical Defense, Big Center Variation | |
| Apr 26, 2026 | Heimisson | 1–0 | Jonsson | Boðsmót TR A-flokkur | Queen's Gambit Accepted: Gunsberg Defense | |
| Apr 25, 2026 | Birkisson | ½–½ | Jonsson | Boðsmót TR A-flokkur | Queen's Gambit Accepted: Gunsberg Defense | |
| Apr 24, 2026 | Jonsson | 0–1 | Omarsson | Boðsmót TR A-flokkur | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 24, 2026 | Jonsson | 1–0 | Hallmundarson | Boðsmót TR A-flokkur | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Apr 24, 2026 | Jonsson | 0–1 | Heidarsson | Boðsmót TR A-flokkur | French Defense: Advance Variation | |
| Mar 31, 2026 | Jonsson | ½–½ | Panchanathan | Reykjavik Open 2026 | Philidor Defense: Exchange Variation | |
| Mar 25, 2026 | Jonsson | 0–1 | Yilmaz | Reykjavik Open 2026 | Sicilian Defense: Modern Variations | |
| Jan 24, 2026 | Jonsson | * | Skarphedinsson | Le Kock Mótaröðin - Úrslitakvöld | Queen's Pawn Game: Modern Defense | |
| Jan 24, 2026 | Jonsson | * | Skarphedinsson | Le Kock Mótaröðin - Úrslitakvöld | Horwitz Defense | |
| Jan 24, 2026 | Ragnarsson | * | Jonsson | Le Kock Mótaröðin - Úrslitakvöld | Queen's Pawn Game: Modern Defense | |
| Jan 24, 2026 | Jonsson | 0–1 | Heimisson | Le Kock Mótaröðin - Úrslitakvöld | French Defense: Advance Variation, Kupreichik Variation | |
| Jan 24, 2026 | Bjornsson | 1–0 | Jonsson | Le Kock Mótaröðin - Úrslitakvöld | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Jan 24, 2026 | Gretarsson | * | Jonsson | Le Kock Mótaröðin - Úrslitakvöld | English Opening: Agincourt Defense, Keres Defense | |
| Jan 24, 2026 | Jonsson | * | Bergsson | Le Kock Mótaröðin - Úrslitakvöld | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jan 24, 2026 | Johannsson | 1–0 | Jonsson | Le Kock Mótaröðin - Úrslitakvöld | Indian Defense: Spielmann-Indian | |
| Jan 24, 2026 | Jonsson | * | Thorfinnsson | Le Kock Mótaröðin - Úrslitakvöld | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Jan 24, 2026 | Thorfinnsson | 1–0 | Jonsson | Le Kock Mótaröðin - Úrslitakvöld | Sicilian Defense: Closed, Traditional | |
| Jan 24, 2026 | Jonsson | 0–1 | Stefansson | Le Kock Mótaröðin - Úrslitakvöld | Sicilian Defense: Modern Variations | |
| Jan 24, 2026 | Jonsson | * | Lagerman | Le Kock Mótaröðin - Úrslitakvöld | ? | |
| Dec 7, 2025 | Gretarsson | 1–0 | Jonsson | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 6, 2025 | Stefansson | 1–0 | Jonsson | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | Slav Defense: Exchange Variation | |
| Nov 15, 2025 | Jonsson | 1–0 | Ingvason | Icelandic team chess championship premier league | Four Knights Game: Gunsberg Variation | |
| Oct 24, 2025 | Jonsson | 0–1 | Chovan | Round 6: Jonsson, Gauti Pall - Chovan, Milan | Rapport-Jobava System | |
| Oct 23, 2025 | Setkauskas | 1–0 | Jonsson | Round 5: Setkauskas, Vaidas - Jonsson, Gauti Pall | Sicilian Defense: Godiva Variation | |
| Oct 20, 2025 | Jonsson | ½–½ | Schulze | Round 2: Jonsson, Gauti Pall - Schulze, Lara | Sicilian Defense: Classical Variation | |
| Apr 9, 2025 | Jonsson | ½–½ | Cornette | Reykjavik Open 2025 | Sicilian Defense: Old Sicilian | |
| Nov 1, 2024 | Jonsson | ½–½ | Elgersma | Amsterdam Chess Open 2024 | French Defense: Schlechter Variation | |
| Aug 25, 2024 | Jonsson | 0–1 | Stepinski | rubinstein24-a1 | Caro-Kann Defense: Advance Variation | |
| Aug 24, 2024 | Ochedzan | ½–½ | Jonsson | rubinstein24-a1 | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Aug 23, 2024 | Jonsson | ½–½ | Sliwerski | rubinstein24-a1 | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Aug 22, 2024 | Zerebiec | ½–½ | Jonsson | rubinstein24-a1 | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| Aug 21, 2024 | Jonsson | 0–1 | Stopa | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Pirc Defense: Classical Variation, Quiet System | |
| Aug 20, 2024 | Lasok | 0–1 | Jonsson | rubinstein24-a1 | Scandinavian Defense: Valencian Variation, Main Line | |
| Aug 19, 2024 | Jonsson | ½–½ | Galymbek | rubinstein24-a1 | Sicilian Defense: Kan Variation | |
| Aug 18, 2024 | Li | 1–0 | Jonsson | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Aug 17, 2024 | Jonsson | 1–0 | Serewa | rubinstein24-a1 | Torre Attack: Fianchetto Defense, Euwe Variation | |
| Jun 9, 2024 | Jonsson | 1–0 | Thorsteinsdottir | Round 9: Jonsson, Gauti Pall - Thorsteinsdottir, Hallgerdur | Caro-Kann Defense: Tartakower Variation | |
| Jun 8, 2024 | Heidarsson | 0–1 | Jonsson | Round 8: Heidarsson, Arnar Milutin - Jonsson, Gauti Pall | King's Indian Defense | |
| Jun 7, 2024 | Jonsson | 1–0 | Skarphedinsson | Round 7: Jonsson, Gauti Pall - Skarphedinsson, Ingvar Wu | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jun 6, 2024 | Birkisson | 1–0 | Jonsson | Round 6: Birkisson, Bardur Orn - Jonsson, Gauti Pall | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 5, 2024 | Jonsson | 1–0 | Thorisson | Round 5: Jonsson, Gauti Pall - Thorisson, Benedikt | Sicilian Defense: Kan Variation, Knight Variation | |
| Jun 4, 2024 | Brynjarsson | 0–1 | Jonsson | Round 4: Brynjarsson, Orvar Holm - Jonsson, Gauti Pall | Sicilian Defense: Kalashnikov Variation | |
| Jun 3, 2024 | Jonsson | 0–1 | Birkisson | Round 3: Jonsson, Gauti Pall - Birkisson, Bjorn Holm | Caro-Kann Defense: Exchange Variation | |
| Jun 2, 2024 | Jonsson | * | Ragnarsson | Round 2: Jonsson, Gauti Pall - Ragnarsson, Johann | Nimzo-Larsen Attack: Classical Variation | |
| Jun 1, 2024 | Helgadottir | 0–1 | Jonsson | Round 1: Helgadottir, Idunn - Jonsson, Gauti Pall | Indian Defense: Spielmann-Indian | |
| Dec 16, 2023 | Jonsson | 0–1 | Martirosyan | European Blitz Championship | Sicilian Defense: Closed, Traditional | |
| Dec 14, 2023 | Safarli | 1–0 | Jonsson | European Rapid Championship | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 23, 2023 | Jonsson | 0–1 | Elmi | Krageroe Resort Chess 2023 | Sicilian Defense: Mengarini Variation | |
| Feb 22, 2023 | Kaasen | 1–0 | Jonsson | Krageroe Resort Chess 2023 | King's Indian Defense: Makogonov Variation | |
| Dec 18, 2022 | Kacprzak | 1–0 | Jonsson | Katowice | Sicilian Defense: Kalashnikov Variation | |
| Dec 17, 2022 | Jonsson | ½–½ | Madan | Katowice | Sicilian Defense: Prins Variation | |
| Dec 16, 2022 | Jonsson | 0–1 | Ziska | European Blitz Chess Championship 2022 | Sicilian Defense | |
| Dec 16, 2022 | Jonsson | 0–1 | Seemann | Katowice | Caro-Kann Defense: Two Knights Attack | |
| Dec 16, 2022 | Jonsson | 0–1 | Cukrowski | ebrcc2022 | King's Indian Attack: Sicilian Variation | |
| Dec 16, 2022 | Jonsson | ½–½ | Maltsevskaya | Katowice | Sicilian Defense | |
| Dec 16, 2022 | Jonsson | 0–1 | Molenda | ebrcc2022 | Sicilian Defense | |
| Dec 16, 2022 | Ziska | 1–0 | Jonsson | European Blitz Chess Championship 2022 | Scandinavian Defense: Valencian Variation | |
| Dec 16, 2022 | Seemann | 1–0 | Jonsson | Katowice | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Dec 16, 2022 | Cukrowski | 1–0 | Jonsson | ebrcc2022 | Queen's Indian Accelerated | |
| Dec 16, 2022 | Maltsevskaya | 1–0 | Jonsson | Katowice | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Dec 16, 2022 | Molenda | 1–0 | Jonsson | ebrcc2022 | Alekhine Defense | |
| Aug 6, 2022 | Jonsson | ½–½ | Sorm | Letni Praha 2022 | Sicilian Defense: Old Sicilian | |
| Jul 26, 2022 | Jonsson | 0–1 | Plat | open-a | Sicilian Defense: Old Sicilian | |
| Jul 25, 2022 | Mica | ½–½ | Jonsson | open-a | King's Indian Defense: Makogonov Variation | |
| Jul 24, 2022 | Jonsson | 0–1 | Keller | open-a | Scotch Game: Mieses Variation | |
| Jul 23, 2022 | Stinka | 0–1 | Jonsson | open-a | King's Indian Defense: Makogonov Variation | |
| Jul 21, 2022 | Jonsson | 1–0 | Savitha | rapid | Sicilian Defense | |
| Jul 21, 2022 | Jonsson | 0–1 | Brozka | rapid | Caro-Kann Defense: Two Knights Attack | |
| Jul 21, 2022 | Jonsson | 0–1 | Melichar | rapid | Scotch Game: Schmidt Variation | |
| Jul 21, 2022 | Seger | ½–½ | Jonsson | rapid | Scandinavian Defense: Valencian Variation, Main Line | |
| Jul 21, 2022 | Dobrowolski | 1–0 | Jonsson | rapid | Scandinavian Defense: Valencian Variation | |
| Jul 21, 2022 | Postl | 0–1 | Jonsson | rapid | French Defense: Winawer Variation, Advance Variation | |
| Jul 20, 2022 | Jonsson | 1–0 | Halousek | rapid | Sicilian Defense: Closed | |
| Jul 20, 2022 | Jonsson | ½–½ | Lalic | rapid | Scotch Game | |
| Jul 20, 2022 | Kotlant | 0–1 | Jonsson | rapid | French Defense: Advance Variation, Paulsen Attack | |
| Apr 12, 2022 | Burlacu | 1–0 | Jonsson | ROpen 2022 | Zukertort Opening | |
| Apr 10, 2022 | Jonsson | 0–1 | Baskin | ROpen 2022 | Dutch Defense: Queen's Knight Variation | |
| Apr 10, 2022 | Sarkisian | ½–½ | Jonsson | ROpen 2022 | Rapport-Jobava System | |
| Apr 9, 2022 | Steiners | 0–1 | Jonsson | ROpen 2022 | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Feb 27, 2022 | Jonsson | ½–½ | Skotheim | Krageroe Resort Chess 2022 | King's Indian Attack | |
| Feb 25, 2022 | Jonsson | 0–1 | Zadruzny | Krageroe Resort Chess 2022 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Feb 23, 2022 | Jonsson | ½–½ | Kaasen | Krageroe Resort Chess 2022 | Sicilian Defense: Closed | |
| Feb 23, 2022 | Urkedal | 1–0 | Jonsson | Krageroe Resort Chess 2022 | King's Indian Defense: Semi-Averbakh System | |
| Dec 19, 2021 | Jonsson | ½–½ | Spalir | ME rapid 2021 | King's Indian Attack: Yugoslav Variation | |
| Dec 19, 2021 | Jonsson | 0–1 | Danielyan | ME rapid 2021 | Zukertort Opening: Kingside Fianchetto | |