| May 17, 2026 | Nilssen | 0–1 | Hald Falkesgaard | Fredericia Chess 2026 IM | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 17, 2026 | Loftgaard | 1–0 | Nilssen | Fredericia Chess 2026 IM | Scandinavian Defense: Gubinsky-Melts Defense | |
| May 16, 2026 | Nilssen | 0–1 | Haarh | Fredericia Chess 2026 IM | Modern Defense: Standard Defense | |
| May 16, 2026 | Boudry | 1–0 | Nilssen | Fredericia Chess 2026 IM | French Defense: King's Indian Attack | |
| May 15, 2026 | Nilssen | 0–1 | Maerevoet | Fredericia Chess 2026 IM | Queen's Gambit Declined: Charousek Variation | |
| May 15, 2026 | Kopylov | 1–0 | Nilssen | Fredericia Chess 2026 IM | Queen's Gambit Declined | |
| May 14, 2026 | Kistrup | 1–0 | Nilssen | Fredericia Chess 2026 | King's Indian Attack, with e6 | |
| May 14, 2026 | Nilssen | 0–1 | Holinka | Fredericia Chess 2026 | Sicilian Defense: Moscow Variation | |
| May 13, 2026 | Easwaralingam | ½–½ | Nilssen | Fredericia Chess 2026 | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Jan 25, 2026 | Hove | ½–½ | Nilssen | Nordkalotten - Frem | Queen's Pawn Game: Colle System | |
| Jan 24, 2026 | Nilssen | ½–½ | Pedersen | Frem - Århus/Skolerne | Slav Defense: Exchange Variation | |
| Dec 30, 2025 | Nilssen | 1–0 | Kamal | ØBRO x CXU yearly new years tournament 2025 | Slav Defense: Exchange Variation | |
| Dec 30, 2025 | Moe | 1–0 | Nilssen | ØBRO x CXU yearly new years tournament 2025 | French Defense: Tarrasch Variation, Open System, Main Line | |
| Dec 29, 2025 | Heimisson | 1–0 | Nilssen | ØBRO x CXU yearly new years tournament 2025 | French Defense: Advance Variation, Wade Variation | |
| Dec 28, 2025 | Nilssen | ½–½ | Hansen | ØBRO x CXU yearly new years tournament 2025 | Queen's Gambit Declined: Janowski Variation | |
| Dec 28, 2025 | Nilssen | ½–½ | Skovgaard | ØBRO x CXU yearly new years tournament 2025 | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Dec 27, 2025 | Ramsdal | 0–1 | Nilssen | ØBRO x CXU yearly new years tournament 2025 | Queen's Gambit Declined | |
| Dec 27, 2025 | Nilssen | 1–0 | Elnegaard | ØBRO x CXU yearly new years tournament 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 14, 2025 | Palm | ½–½ | Nilssen | Skak Liga | Queen's Gambit Declined: Harrwitz Attack, Main Line | |
| Nov 2, 2025 | Nilssen | 0–1 | Holinka | Skanderborg - Frem | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 1, 2025 | Nilssen | ½–½ | Percivaldi | Frem - Hillerød | Queen's Gambit Declined: Charousek Variation | |
| Jun 14, 2025 | Nilssen | 0–1 | Sadvakasov | 2025 FIDE World Blitz Team Championschip Pool D | Nimzo-Indian Defense: Sämisch Variation | |
| Jun 14, 2025 | Pranav | 1–0 | Nilssen | 2025 FIDE World Blitz Team Championschip Pool D | French Defense: King's Indian Attack | |
| Jun 14, 2025 | Nilssen | 1–0 | Strom-Engdahl | 2025 FIDE World Blitz Team Championschip Pool D | Slav Defense: Exchange Variation | |
| Jun 14, 2025 | Andiwoh | 0–1 | Nilssen | 2025 FIDE World Blitz Team Championschip Pool D | Queen's Pawn Game: Colle System, Traditional Colle | |
| Jun 14, 2025 | Nilssen | 1–0 | Arakhamia-Grant | 2025 FIDE World Blitz Team Championschip Pool D | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Jun 14, 2025 | Kozak | 1–0 | Nilssen | 2025 FIDE World Blitz Team Championschip Pool D | Queen's Gambit Declined: Janowski Variation | |
| Jun 14, 2025 | Nilssen | 1–0 | Munkhzul | 2025 FIDE World Blitz Team Championschip Pool D | Nimzo-Indian Defense: Normal Variation | |
| Jun 14, 2025 | Banerjee | 1–0 | Nilssen | 2025 FIDE World Blitz Team Championschip Pool D | French Defense: Advance Variation, Euwe Variation | |
| Jun 14, 2025 | Nilssen | 0–1 | Dasgupta | 2025 FIDE World Blitz Team Championschip Pool D | Nimzo-Indian Defense: St. Petersburg Variation | |
| Jun 14, 2025 | Mamedov | 1–0 | Nilssen | 2025 FIDE World Blitz Team Championschip Pool D | Queen's Gambit Declined | |
| Jun 14, 2025 | Nilssen | 1–0 | Henriquez Garcia | 2025 FIDE World Blitz Team Championschip Pool D | Dutch Defense: Classical Variation | |
| Jun 14, 2025 | Degenbaev | 0–1 | Nilssen | 2025 FIDE World Blitz Team Championschip Pool D | French Defense: Winawer Variation | |
| Jun 14, 2025 | Nilssen | 0–1 | Seemann | 2025 FIDE World bLITZ Team Championschip Pool D | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jun 13, 2025 | Nilssen | 1–0 | Zlotnik | Round 12: Nilssen, Ellen Fredericia - Zlotnik, Boris A | Nimzo-Indian Defense: Normal Variation | |
| Jun 13, 2025 | Dicen | 0–1 | Nilssen | Round 11: Dicen, Elis Denele - Nilssen, Ellen Fredericia | Queen's Pawn Game: London System, with e6 | |
| Jun 13, 2025 | Nilssen | 1–0 | Eken | Round 10: Nilssen, Ellen Fredericia - Eken, Atakan | Benko Gambit Accepted: Pawn Return Variation | |
| Jun 13, 2025 | Vashisht-Pigem | 1–0 | Nilssen | Round 9: Vashisht-Pigem, Raman - Nilssen, Ellen Fredericia | French Defense: Tarrasch Variation, Open System, Main Line | |
| Jun 12, 2025 | Nilssen | ½–½ | Frank | Round 8: Nilssen, Ellen Fredericia - Frank, Anton | Nimzo-Indian Defense: Normal Variation | |
| Jun 12, 2025 | Nilssen | 1–0 | Andiwoh | Round 7: Nilssen, Ellen Fredericia - Andiwoh, Moses | Benoni Defense: French Benoni | |
| Jun 12, 2025 | Badescu | 0–1 | Nilssen | Round 6: Badescu, Matei-Andrei - Nilssen, Ellen Fredericia | French Defense: Advance Variation, Euwe Variation | |
| Jun 12, 2025 | Florstedt | 0–1 | Nilssen | Round 5: Florstedt, Johannes - Nilssen, Ellen Fredericia | French Defense: Advance Variation, Euwe Variation | |
| Jun 11, 2025 | Nilssen | 1–0 | Bansal | 2025 FIDE World Rapid Team Championship matches 19-26 | Queen's Gambit Declined: Charousek Variation | |
| Jun 11, 2025 | Nilssen | 1–0 | Mortazavi | 2025 FIDE World Rapid Team Championship matches 19-26 | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Jun 11, 2025 | Navrotescu | ½–½ | Nilssen | 2025 FIDE World Rapid Team Championship matches 19-26 | Queen's Gambit Declined: Janowski Variation | |
| Jun 11, 2025 | Le | 1–0 | Nilssen | 2025 FIDE World Rapid Team Championship matches 19-26 | Queen's Gambit Declined | |
| Dec 30, 2024 | Javakhishvili | 1–0 | Nilssen | FIDE Women’s World Blitz Championships 2024 | Nimzo-Larsen Attack: Classical Variation | |
| Dec 30, 2024 | Nilssen | 0–1 | Zhukova | FIDE Women’s World Blitz Championships 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 30, 2024 | Nilssen | 0–1 | Bulmaga | FIDE Women’s World Blitz Championships 2024 | Nimzo-Indian Defense: Normal Variation | |
| Dec 30, 2024 | Nilssen | 1–0 | Kaldarova | FIDE Women’s World Blitz Championships 2024 | Queen's Indian Defense: Kasparov-Petrosian Variation, Polovodin Gambit | |
| Dec 30, 2024 | Nilssen | 0–1 | Tsolakidou | FIDE Women’s World Blitz Championships 2024 | Indian Defense: Anti-Nimzo-Indian | |
| Dec 30, 2024 | Nilssen | ½–½ | Uuriintuya | FIDE Women’s World Blitz Championships 2024 | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Dec 30, 2024 | Naisanga Sheba Valentine | ½–½ | Nilssen | FIDE Women’s World Blitz Championships 2024 | Catalan Opening: Open Defense | |
| Dec 30, 2024 | Nakhbayeva | 0–1 | Nilssen | FIDE Women’s World Blitz Championships 2024 | Queen's Gambit Declined: Janowski Variation | |
| Dec 30, 2024 | Heinemann | 1–0 | Nilssen | FIDE Women’s World Blitz Championships 2024 | French Defense: Tarrasch Variation, Open System | |
| Dec 30, 2024 | Sukandar | 1–0 | Nilssen | FIDE Women’s World Blitz Championships 2024 | Nimzo-Larsen Attack: Classical Variation | |
| Dec 30, 2024 | Castillo Beitia | 0–1 | Nilssen | FIDE Women’s World Blitz Championships 2024 | Queen's Gambit Declined: Janowski Variation | |
| Dec 28, 2024 | Nilssen | ½–½ | Cervantes Landeiro | FIDE Women’s World Rapid Championships 2024 | Grünfeld Defense | |
| Dec 28, 2024 | Nilssen | 0–1 | Sahithi Varshini M | FIDE Women’s World Rapid Championships 2024 | Nimzo-Indian Defense: St. Petersburg Variation | |
| Dec 28, 2024 | Narva | 1–0 | Nilssen | FIDE Women’s World Rapid Championships 2024 | French Defense: Winawer Variation, Bogoljubow Variation | |
| Dec 27, 2024 | Nilssen | 0–1 | Danielian | FIDE Women’s World Rapid Championships 2024 | Indian Defense: Anti-Nimzo-Indian | |
| Dec 27, 2024 | Nilssen | ½–½ | Khotenashvili | FIDE Women’s World Rapid Championships 2024 | Benoni Defense: King's Pawn Line | |
| Dec 27, 2024 | Melia | ½–½ | Nilssen | FIDE Women’s World Rapid Championships 2024 | French Defense: Tarrasch Variation, Open System, Main Line | |
| Dec 27, 2024 | Agrest | ½–½ | Nilssen | FIDE Women’s World Rapid Championships 2024 | French Defense: MacCutcheon Variation, Wolf Gambit | |
| Dec 26, 2024 | Nilssen | 0–1 | Wagner | FIDE Women’s World Rapid Championships 2024 | Nimzo-Indian Defense: Normal Variation | |
| Dec 26, 2024 | Nilssen | 0–1 | Garcia Martin | FIDE Women’s World Rapid Championships 2024 | Queen's Pawn Game: Modern Defense | |
| Dec 26, 2024 | Foisor | 0–1 | Nilssen | FIDE Women’s World Rapid Championships 2024 | Queen's Pawn Game: Colle System | |
| Dec 26, 2024 | Kulon | 0–1 | Nilssen | FIDE Women’s World Rapid Championships 2024 | English Opening: Agincourt Defense | |
| Sep 1, 2024 | Nilssen | ½–½ | Pedersen | DM i Lynskak | Tarrasch Defense: Symmetrical Variation | |
| Sep 1, 2024 | Nilssen | 0–1 | Hansen | DM i Lynskak | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Sep 1, 2024 | Nilssen | 0–1 | Christensen | DM i Lynskak | Dutch Defense: Classical Variation, Huisl Variation | |
| Sep 1, 2024 | Nilssen | 1–0 | Eriksson | DM i Lynskak | Nimzo-Indian Defense: Normal Variation | |
| Sep 1, 2024 | Nilssen | ½–½ | Le Besq | DM i Lynskak | Zukertort Opening: Nimzo-Larsen Variation | |
| Sep 1, 2024 | Nilssen | 1–0 | Saugmann | DM i Lynskak | Slav Defense: Exchange Variation | |
| Sep 1, 2024 | Larsen | 0–1 | Nilssen | DM i Lynskak | Queen's Indian Defense: Classical Variation | |
| Sep 1, 2024 | Jorgensen | 0–1 | Nilssen | DM i Lynskak | Indian Defense: Przepiorka Variation | |
| Sep 1, 2024 | Hoyer | 1–0 | Nilssen | DM i Lynskak | Grünfeld Defense: Exchange Variation | |
| Sep 1, 2024 | Meskenas | ½–½ | Nilssen | DM i Lynskak | French Defense: Advance Variation, Euwe Variation | |
| Sep 1, 2024 | Hald Falkesgaard | ½–½ | Nilssen | DM i Lynskak | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Sep 1, 2024 | Jepson | ½–½ | Nilssen | DM i Lynskak | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 29, 2024 | Nilssen | 0–1 | Rakhmangulova | Round 10: Nilssen, Ellen Fredericia - Rakhmangulova, Anastasiya | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Apr 28, 2024 | Kochavi | 0–1 | Nilssen | European Women's Chess Championship 2024 | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Apr 27, 2024 | Nilssen | 1–0 | Deak-Sala | Round 8: Nilssen, Ellen Fredericia - Deak-Sala, Emilia | King's Indian Defense: Makogonov Variation | |
| Apr 26, 2024 | Hapala | 1–0 | Nilssen | Round 7: Hapala, Elisabeth - Nilssen, Ellen Fredericia | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 25, 2024 | Nilssen | ½–½ | Tsirulnik | Round 6: Nilssen, Ellen Fredericia - Tsirulnik, Maritsa | Nimzo-Indian Defense: Kmoch Variation | |
| Apr 23, 2024 | Gaal | 1–0 | Nilssen | Round 5: Gaal, Zsoka - Nilssen, Ellen Fredericia | Queen's Gambit Declined: Janowski Variation | |
| Apr 22, 2024 | Nilssen | ½–½ | Balajayeva | Round 4: Nilssen, Ellen Fredericia - Balajayeva, Khanim | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Apr 21, 2024 | Makka | 0–1 | Nilssen | European Women's Chess Championship 2024 | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Apr 20, 2024 | Nilssen | 0–1 | Kulon | Round 2: Nilssen, Ellen Fredericia - Kulon, Klaudia | Scandinavian Defense: Valencian Variation | |
| Apr 19, 2024 | Kaka | 0–1 | Nilssen | European Women's Chess Championship 2024 | Indian Defense | |
| Dec 31, 2023 | Veiergang | 0–1 | Nilssen | 7 round swiss | Sicilian Defense: Najdorf Variation | |
| Dec 30, 2023 | Nilssen | ½–½ | Kakulidis | 7 round swiss | English Opening: King's English Variation | |
| Dec 30, 2023 | Hansen | 1–0 | Nilssen | 7 round swiss | Sicilian Defense: Moscow Variation | |
| Dec 29, 2023 | Nilssen | 1–0 | Falkesgaard | 7 round swiss | Semi-Slav Defense: Accelerated Move Order | |
| Dec 28, 2023 | Terryn | ½–½ | Nilssen | 7 round swiss | Sicilian Defense: Wing Gambit, Marshall Variation | |
| Dec 27, 2023 | Nilssen | 1–0 | Br�ndal | 7 round swiss | Slav Defense: Exchange Variation | |
| Dec 27, 2023 | Ramsdal | 0–1 | Nilssen | 7 round swiss | Indian Defense | |
| Nov 26, 2023 | Nilssen | 0–1 | Storme | Hillerød - Frem | Nimzo-Indian Defense: Normal Variation | |
| Oct 28, 2023 | Hansen | 1–0 | Nilssen | SK1968 - Frem | Trompowsky Attack | |
| Oct 15, 2023 | Nilssen | ½–½ | Surender | Odensemesterskabet 2023 | King's Indian Defense: Fianchetto Variation, Debrecen Defense | |