| May 31, 2026 | Helgadottir | 0–1 | Birkisson | Skákþing Íslands - Áskorendaflokkur 2026 | Queen's Gambit Declined: Austrian Defense | |
| Mar 28, 2026 | Briem | 1–0 | Helgadottir | Reykjavik Open 2026 | Queen's Gambit Declined | |
| Mar 26, 2026 | Marsh | 1–0 | Helgadottir | Reykjavik Open 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 8, 2026 | B. Berglindardottir | 0–1 | Helgadottir | Islandsmót kvenna 2026 | Queen's Gambit Declined: Modern Variation | |
| Feb 8, 2026 | Helgadottir | 0–1 | Ptacnikova | Islandsmót kvenna 2026 | Nimzo-Indian Defense | |
| Feb 7, 2026 | Finnbogadottir | 0–1 | Helgadottir | Islandsmót kvenna 2026 | Sicilian Defense: Alapin Variation | |
| Feb 7, 2026 | Helgadottir | ½–½ | Briem | Islandsmót kvenna 2026 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Feb 6, 2026 | Helgadottir | 0–1 | Johannsdottir | Islandsmót kvenna 2026 | Queen's Indian Defense: Kasparov Variation | |
| Oct 29, 2025 | Kochavi | 1–0 | Helgadottir | Round 1: Kochavi, Dana - Helgadottir, Idunn | Sicilian Defense: Taimanov Variation | |
| Oct 13, 2025 | Vanhuyse | 1–0 | Helgadottir | Round 8: Vanhuyse, Nele - Helgadottir, Idunn | Scandinavian Defense: Gubinsky-Melts Defense | |
| Oct 10, 2025 | McCusker | 0–1 | Helgadottir | Round 6: McCusker, Kirsty - Helgadottir, Idunn | Sicilian Defense: French Variation, Westerinen Attack | |
| Oct 9, 2025 | Helgadottir | 0–1 | Simkunaite | Round 5: Helgadottir, Idunn - Simkunaite, Gabija | Queen's Gambit Accepted: Old Variation | |
| Oct 8, 2025 | Rinne | 0–1 | Helgadottir | Round 4: Rinne, Heini - Helgadottir, Idunn | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Oct 7, 2025 | Helgadottir | 0–1 | Froewis | Round 3: Helgadottir, Idunn - Froewis, Annika | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 6, 2025 | Piddubna | 1–0 | Helgadottir | Round 2: Piddubna, Bozhena - Helgadottir, Idunn | Catalan Opening: Closed | |
| Oct 5, 2025 | Grapsa | 1–0 | Helgadottir | Round 1: Grapsa, Georgia - Helgadottir, Idunn | Indian Defense: Anti-Nimzo-Indian | |
| Apr 27, 2025 | Helgadottir | 0–1 | Vashchenko | NM Piger Gruppe A | Benko Gambit Accepted: Pawn Return Variation | |
| Apr 27, 2025 | Bruntse | 0–1 | Helgadottir | NM Piger Gruppe A | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 26, 2025 | Helgadottir | 1–0 | Bruntse | NM Piger Gruppe A | Slav Defense: Exchange Variation | |
| Apr 26, 2025 | Ostensson | 0–1 | Helgadottir | NM Piger Gruppe A | Queen's Gambit Declined | |
| Apr 25, 2025 | Helgadottir | 1–0 | Lindstad | NM Piger Gruppe A | Queen's Indian Defense: Petrosian Variation | |
| Sep 22, 2024 | Natsheh | 0–1 | Helgadottir | 45th FIDE Women's Chess Olympiad | Trompowsky Attack: Classical Defense | |
| Sep 21, 2024 | Fronda | ½–½ | Helgadottir | 45th FIDE Women's Chess Olympiad | Sicilian Defense: Alapin Variation | |
| Sep 20, 2024 | Tawankanjana | 0–1 | Helgadottir | 45th FIDE Women's Chess Olympiad | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Sep 18, 2024 | Helgadottir | 1–0 | Saraci | 45th FIDE Women's Chess Olympiad | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Sep 15, 2024 | Randriatsiferana | 1–0 | Helgadottir | 45th FIDE Women's Chess Olympiad | Scotch Game: Haxo Gambit | |
| Sep 14, 2024 | Vujnovic | 1–0 | Helgadottir | 45th FIDE Women's Chess Olympiad | Queen's Pawn Game: London System | |
| Sep 13, 2024 | Helgadottir | ½–½ | Castro | 45th FIDE Women's Chess Olympiad | French Defense: Advance Variation, Wade Variation | |
| Sep 12, 2024 | Helgadottir | 0–1 | Terbe | 45th FIDE Women's Chess Olympiad | Semi-Slav Defense | |
| Sep 11, 2024 | Scatliffe | 0–1 | Helgadottir | 45th FIDE Women's Chess Olympiad | Sicilian Defense: French Variation | |
| Aug 29, 2024 | Berezovsky | 1–0 | Helgadottir | EYCC 2024 - G18 | Rapport-Jobava System | |
| Aug 26, 2024 | Helgadottir | 0–1 | Buchholz | EYCC 2024 - G18 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Aug 24, 2024 | Helgadottir | 0–1 | Pawicka | EYCC 2024 - G18 | Rubinstein Opening | |
| Aug 22, 2024 | Helgadottir | 0–1 | Deladerriere | EYCC 2024 - G18 | Queen's Pawn Game: Chigorin Variation | |
| Jun 9, 2024 | Ptacnikova | 1–0 | Helgadottir | Round 9: Ptacnikova, Lenka - Helgadottir, Idunn | Zukertort Opening: Reversed Grünfeld | |
| Jun 8, 2024 | Helgadottir | * | Skarphedinsson | Round 8: Helgadottir, Idunn - Skarphedinsson, Ingvar Wu | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 1, 2024 | Helgadottir | 0–1 | Jonsson | Round 1: Helgadottir, Idunn - Jonsson, Gauti Pall | Indian Defense: Spielmann-Indian | |
| Nov 23, 2023 | Momyn | 1–0 | Helgadottir | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Indian Defense: Tartakower Attack | |
| Nov 22, 2023 | Helgadottir | 0–1 | Sippola | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Rubinstein Opening: Classical Defense | |
| Nov 15, 2023 | Helgadottir | 0–1 | Braeutigam | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | King's Indian Defense: Orthodox Variation | |
| Nov 13, 2023 | Helgadottir | 0–1 | Zelbova | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Queen's Pawn Game: Colle System, Anti-Colle | |
| Apr 7, 2022 | Johannsson | ½–½ | Helgadottir | Kvika Reykjavik Open 2022 | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Apr 6, 2022 | Helgadottir | 0–1 | Ragnarsson | Kvika Reykjavik Open 2022 | Dutch Defense: Hopton Attack | |
| Sep 2, 2021 | Helgadottir | 1–0 | Johannsson | European Individual Chess Championship 2021 - Reykjavik Open | Nimzo-Indian Defense: Classical Variation | |
| Sep 1, 2021 | Brynjarsson | 0–1 | Helgadottir | European Individual Chess Championship 2021 - Reykjavik Open | Bogo-Indian Defense: Nimzowitsch Variation | |
| Aug 31, 2021 | Helgadottir | 0–1 | Vidarsson | European Individual Chess Championship 2021 - Reykjavik Open | Semi-Slav Defense | |
| Aug 30, 2021 | Hallmundarson | 1–0 | Helgadottir | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Defense: Fianchetto Variation, Debrecen Defense | |
| Aug 29, 2021 | Helgadottir | 0–1 | Ragnarsson | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Defense: Semi-Averbakh System | |
| Aug 28, 2021 | Gudmundsson | 1–0 | Helgadottir | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Indian Defense: Fianchetto Variation | |
| Aug 27, 2021 | Helgadottir | 0–1 | Saraci | European Individual Chess Championship 2021 - Reykjavik Open | Indian Defense: Budapest Defense, Adler Variation | |
| Aug 26, 2021 | Kacharava | 1–0 | Helgadottir | European Individual Chess Championship 2021 - Reykjavik Open | Sicilian Defense: Taimanov Variation | |
| Jun 19, 2021 | Helgadottir | 1–0 | Saunders | Queen’s Chess Festival - Europe - Category D | Queen's Pawn Game | |
| Jun 19, 2021 | Helgadottir | 0–1 | Subramanian | Queen’s Chess Festival - Europe - Category D | Slav Defense: Geller Gambit | |
| Jun 19, 2021 | Helgadottir | 1–0 | Arora | Queen’s Chess Festival - Europe - Category D | Queen's Gambit Accepted: Central Variation, Modern Defense | |
| Jun 19, 2021 | Helgadottir | 1–0 | Patel | Queen’s Chess Festival - Europe - Category D | Queen's Gambit Declined: Marshall Defense | |
| Jun 19, 2021 | Jaiswal | 0–1 | Helgadottir | Queen’s Chess Festival - Europe - Category D | Sicilian Defense: French Variation | |
| Jun 19, 2021 | Tsekoura | 1–0 | Helgadottir | Queen’s Chess Festival - Europe - Category D | Sicilian Defense: Paulsen-Basman Defense | |
| — | Helgadottir | 1–0 | Lehtinen | Icelandic Women Open Championship 2022 | Nimzo-Indian Defense: Three Knights Variation | |
| — | Helgadottir | 0–1 | Dolzhikova | Icelandic Women Open Championship 2022 | Horwitz Defense | |
| — | Ptacnikova | 1–0 | Helgadottir | Icelandic Women Open Championship 2022 | English Opening: King's English Variation, Reversed Closed Sicilian | |
| — | Briem | 0–1 | Helgadottir | Icelandic Women Open Championship 2022 | Queen's Pawn Game: London System | |
| — | Kryger | 0–1 | Helgadottir | Icelandic Women Open Championship 2022 | Tarrasch Defense: Classical Variation, Advance Variation | |
| — | Nazarova | 1–0 | Helgadottir | Icelandic Women Open Championship 2022 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
