| Mar 21, 2024 | Steingrimsson | 1–0 | Lu | Reykjavik Open 2024 | Bogo-Indian Defense: Grünfeld Variation | |
| Mar 20, 2024 | Can | ½–½ | Steingrimsson | Reykjavik Open 2024 | Queen's Gambit Accepted: Classical Defense | |
| Mar 19, 2024 | Steingrimsson | 1–0 | Kistrup | Reykjavik Open 2024 | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Mar 18, 2024 | Steingrimsson | ½–½ | Seemann | Reykjavik Open 2024 | Nimzo-Indian Defense: Classical Variation | |
| Mar 18, 2024 | Deac | 1–0 | Steingrimsson | Reykjavik Open 2024 | Ruy Lopez: Closed, Martinez Variation | |
| Mar 17, 2024 | Injac | 0–1 | Steingrimsson | Reykjavik Open 2024 | King's Indian Attack: Sicilian Variation | |
| Mar 16, 2024 | Steingrimsson | 1–0 | Thorfinnsson | Reykjavik Open 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 16, 2024 | Gislason | 0–1 | Steingrimsson | Reykjavik Open 2024 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Mar 15, 2024 | Steingrimsson | 1–0 | Jaksland | Reykjavik Open 2024 | Nimzo-Indian Defense: Reshevsky Variation | |
| Oct 16, 2022 | Heimisson | 1–0 | Steingrimsson | Icelandic Team Championship | Nimzo-Indian Defense | |
| Oct 15, 2022 | Steingrimsson | ½–½ | Lomasov | Icelandic Team Championship | English Opening: King's English Variation | |
| Oct 15, 2022 | Steingrimsson | ½–½ | Oleksiyenko | Icelandic Team Championship | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 14, 2022 | Cheparinov | ½–½ | Steingrimsson | Icelandic Team Championship | Caro-Kann Defense: Advance Variation, Short Variation | |
| May 1, 2022 | Steingrimsson | 0–1 | Kjartansson | Icelandic Chess Championship 2022 | Sicilian Defense: Taimanov Variation, Modern Line | |
| Apr 30, 2022 | Mai | 0–1 | Steingrimsson | Icelandic Chess Championship 2022 | Four Knights Game: Scotch Variation, Krause Gambit | |
| Apr 27, 2022 | Steingrimsson | 0–1 | Gretarsson | Icelandic Chess Championship 2022 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Apr 26, 2022 | Thorhallsson | 0–1 | Steingrimsson | Icelandic Chess Championship 2022 | Slav Defense: Quiet Variation | |
| Apr 25, 2022 | Steingrimsson | ½–½ | Stefansson | Icelandic Chess Championship 2022 | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Apr 24, 2022 | Thorfinnsson | ½–½ | Steingrimsson | Icelandic Chess Championship 2022 | Sicilian Defense: Najdorf Variation | |
| Apr 23, 2022 | Steingrimsson | ½–½ | Thorhallsson | Icelandic Chess Championship 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 22, 2022 | Heimisson | ½–½ | Steingrimsson | Icelandic Chess Championship 2022 | Sicilian Defense: Closed | |
| Apr 21, 2022 | Steingrimsson | 1–0 | Stefansson | Icelandic Chess Championship 2022 | Queen's Gambit Declined: Exchange Variation | |
| Apr 12, 2022 | Villiers | ½–½ | Steingrimsson | ROpen 2022 | Sicilian Defense: Chekhover Variation | |
| Apr 11, 2022 | Steingrimsson | ½–½ | Berdnyk | ROpen 2022 | English Opening: Symmetrical Variation | |
| Apr 10, 2022 | Steingrimsson | 0–1 | Tania | ROpen 2022 | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Apr 10, 2022 | Gukesh | ½–½ | Steingrimsson | ROpen 2022 | Tarrasch Defense: Symmetrical Variation | |
| Apr 9, 2022 | Steingrimsson | ½–½ | Praggnanandhaa | ROpen 2022 | Nimzo-Indian Defense: Classical Variation | |
| Apr 7, 2022 | Steingrimsson | ½–½ | Adhiban | Reykjavik Open 2022 | Semi-Slav Defense: Stoltz Variation | |
| Sep 4, 2021 | Steingrimsson | 1–0 | Banusz | European Individual Championship - Reykjavik Open 2021 | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System | |
| Sep 3, 2021 | Steingrimsson | 1–0 | Baltag | European Individual Championship - Reykjavik Open 2021 | Nimzo-Indian Defense: Classical Variation | |
| Sep 2, 2021 | Samadov | ½–½ | Steingrimsson | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Gambit Accepted: Furman Variation | |
| Sep 1, 2021 | Steingrimsson | ½–½ | Aizenberg | European Individual Chess Championship 2021 - Reykjavik Open | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Aug 31, 2021 | Stefansson | ½–½ | Steingrimsson | European Individual Chess Championship 2021 - Reykjavik Open | English Opening: King's English Variation | |
| Aug 30, 2021 | Steingrimsson | 1–0 | Papidakis | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Attack: Yugoslav Variation | |
| Aug 29, 2021 | Sargissian | 1–0 | Steingrimsson | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Gambit Declined: Cambridge Springs Defense, Yugoslav Variation | |
| Aug 28, 2021 | Steingrimsson | ½–½ | Ter-Sahakyan | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Aug 27, 2021 | Martirosyan | ½–½ | Steingrimsson | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Gambit Declined: Hastings Variation | |
| Aug 26, 2021 | Steingrimsson | 1–0 | Acevedo Mendez | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| May 25, 2021 | Steingrimsson | ½–½ | Chigaev | European Hybrid World Cup Qualifier | ? | |
| May 24, 2021 | Chigaev | 1–0 | Steingrimsson | European Hybrid World Cup Qualifier | King's Pawn Game | |
| — | Steingrimsson | 1–0 | Solnicki | ROpen 2022 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| — | Steingrimsson | 1–0 | Hansen | Icelandic Team Championship | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
| — | Steingrimsson | 1–0 | Thorfinnsson | Icelandic Team Championship | Queen's Gambit Declined: Charousek Variation | |
| — | Steingrimsson | 1–0 | Olafsson | Icelandic Team Championship | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| — | Steingrimsson | 1–0 | Prudnykova | Icelandic Chess Championship 2024 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| — | Steingrimsson | 0–1 | Heimisson | Icelandic Chess Championship 2024 | Slav Defense | |
| — | Steingrimsson | ½–½ | Stefansson | Icelandic Chess Championship 2024 | Queen's Gambit Declined: Ragozin Defense | |
| — | Steingrimsson | 0–1 | Gretarsson | Icelandic Chess Championship 2024 | ? | |
| — | Steingrimsson | 0–1 | Domalchuk-Jonasson | Icelandic Chess Championship 2024 | ? | |
| — | Steingrimsson | 1–0 | Arjun | 12th Annual Washington International - Championship | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| — | Steingrimsson | 1–0 | Prabhu | 12th Annual Washington International - Championship | Queen's Gambit Declined | |
| — | Steingrimsson | 1–0 | Wang | 12th Washington International - Championship | Semi-Slav Defense: Accelerated Move Order | |
| — | Steingrimsson | ½–½ | Tang | 12th Washington International - Championship | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| — | Steingrimsson | 0–1 | Rahul Srivatshav P | 12th Washington International - Championship | King's Indian Defense: Semi-Averbakh System | |
| — | Fridman | 1–0 | Steingrimsson | European Individual Championship - Reykjavik Open 2021 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation | |
| — | De Wachter | 0–1 | Steingrimsson | Reykjavik Open 2022 | Nimzo-Indian Defense: Classical Variation | |
| — | Korley | 0–1 | Steingrimsson | ROpen 2022 | Catalan Opening: Open Defense | |
| — | Petursson | 0–1 | Steingrimsson | Icelandic Team Championship | Slav Defense: Two Knights Attack | |
| — | Arngrimsson | ½–½ | Steingrimsson | Icelandic Team Championship | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| — | Kjartansson | ½–½ | Steingrimsson | Icelandic Chess Championship 2024 | Ruy Lopez: Closed | |
| — | Stefansson | 1–0 | Steingrimsson | Icelandic Chess Championship 2024 | Bogo-Indian Defense: Retreat Variation | |
| — | Birkisson | 0–1 | Steingrimsson | Icelandic Chess Championship 2024 | Sicilian Defense: Moscow Variation | |
| — | Ptacnikova | 1–0 | Steingrimsson | Icelandic Chess Championship 2024 | ? | |
| — | Ragnarsson | 1–0 | Steingrimsson | Icelandic Chess Championship 2024 | ? | |
| — | Gretarsson | 1–0 | Steingrimsson | Icelandic Chess Championship 2024 | ? | |
| — | Gutla | ½–½ | Steingrimsson | 12th Washington International - Championship | Catalan Opening: Open Defense, Modern Sharp Variation | |
| — | Liu | 0–1 | Steingrimsson | 12th Washington International - Championship | Sicilian Defense: Closed | |
| — | Zhou | ½–½ | Steingrimsson | 12th Washington International - Championship | Zukertort Opening | |
| — | Brodsky | 0–1 | Steingrimsson | 12th Washington International - Championship | Queen's Indian Defense: Petrosian Variation, Farago Defense | |