| Feb 4, 2024 | Jayson Gonzales | 1–0 | Ellen Fredericia Nilssen | Round 10: Jayson Gonzales - Ellen Fredericia Nilssen | Queen's Pawn Game: Zukertort Variation | |
| Feb 3, 2024 | Shete Sammed Jaykumar | 1–0 | Ellen Fredericia Nilssen | Round 9: Shete Sammed Jaykumar - Ellen Fredericia Nilssen | Sicilian Defense: Najdorf Variation | |
| Feb 2, 2024 | Ellen Fredericia Nilssen | 1–0 | Gaurav Kumar | Round 8: Ellen Fredericia Nilssen - Gaurav Kumar | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 1, 2024 | Ellen Fredericia Nilssen | 0–1 | Adham Fawzy | Round 7: Ellen Fredericia Nilssen - Adham Fawzy | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jan 30, 2024 | Saha Neelash | 1–0 | Ellen Fredericia Nilssen | Round 4: Saha Neelash - Ellen Fredericia Nilssen | Nimzo-Larsen Attack: Classical Variation | |
| Jan 30, 2024 | Ameya Audi | 1–0 | Ellen Fredericia Nilssen | Round 3: Ameya Audi - Ellen Fredericia Nilssen | Sicilian Defense: Najdorf Variation | |
| Jan 29, 2024 | Ellen Fredericia Nilssen | 1–0 | Sayantan Das | Round 2: Ellen Fredericia Nilssen - Sayantan Das | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 2, 2023 | Ellen Fredericia Nilssen | 0–1 | José Guilherme Barria Santos | Round 9 (Top boards): Ellen Fredericia Nilssen - José Guilherme Barria Santos | Sicilian Defense: Moscow Variation | |
| Sep 1, 2023 | Ellen Fredericia Nilssen | 1–0 | João Pedro Pinto Costa Afonso | Round 8 (Top boards): Ellen Fredericia Nilssen - João Pedro Pinto Costa Afonso | Italian Game: Classical Variation, Greco Gambit | |
| Aug 31, 2023 | Alex Garrido Outón | 1–0 | Ellen Fredericia Nilssen | Round 7 (Top boards): Alex Garrido Outón - Ellen Fredericia Nilssen | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Aug 30, 2023 | Ellen Fredericia Nilssen | ½–½ | Pedro Filipe Pinho Rego | Round 6 (Top boards): Ellen Fredericia Nilssen - Pedro Filipe Pinho Rego | Sicilian Defense: Moscow Variation | |
| Aug 29, 2023 | João Tiago Corregedor Da Fonseca Gama | 0–1 | Ellen Fredericia Nilssen | Maia Open | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 28, 2023 | Ellen Fredericia Nilssen | 1–0 | Jason Boutsias | Maia Open | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Aug 27, 2023 | Mike Ivanov | 1–0 | Ellen Fredericia Nilssen | Maia Chess Open 2023 (25/08 - 02/09) | Sicilian Defense: Prins Variation | |
| Aug 26, 2023 | Ellen Fredericia Nilssen | ½–½ | Nodar Lortkipanidze | Maia Chess Open 2023 (25/08 - 02/09) | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Aug 25, 2023 | Peter Rucek | 0–1 | Ellen Fredericia Nilssen | Maia Chess Open 2023 (25/08 - 02/09) | French Defense: Advance Variation, Euwe Variation | |
| Jun 10, 2022 | Alexander Oye-Stromberg | 1–0 | Ellen Fredericia Nilssen | Norway Chess Open 2022 | Queen's Gambit Declined: Janowski Variation | |
| Jun 9, 2022 | Ellen Fredericia Nilssen | 1–0 | Afras Mansoor | Norway Chess Open 2022 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 8, 2022 | Ellen Fredericia Nilssen | ½–½ | Mukhammadzokhid Suyarov | Norway Chess Open 2022 | French Defense: Exchange Variation | |
| Jun 7, 2022 | Karl-Emil Elmer Nielsen-Refs | ½–½ | Ellen Fredericia Nilssen | Norway Chess Open 2022 | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Jun 6, 2022 | Zi Han Goh | ½–½ | Ellen Fredericia Nilssen | Norway Chess Open 2022 | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Jun 5, 2022 | Ellen Fredericia Nilssen | 0–1 | Semen Mitusov | Norway Chess Open 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 5, 2022 | Victor Mikhalevski | * | Ellen Fredericia Nilssen | Norway Chess Open 2022 | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Jun 4, 2022 | Ellen Fredericia Nilssen | ½–½ | Alexander Fishbein | Norway Chess Open 2022 | King's Indian Defense: Makogonov Variation | |
| Jun 3, 2022 | Ellen Fredericia Nilssen | 1–0 | Rautela Saksham | Norway Chess Open 2022 | Queen's Pawn Game | |
| Jun 3, 2021 | Tymon Ochedzan | 1–0 | Ellen Fredericia Nilssen | Round 8: Tymon Ochedzan - Ellen Fredericia Nilssen | Sicilian Defense: Najdorf Variation | |
| May 27, 2021 | Ellen Fredericia Nilssen | 0–1 | Pier Luigi Basso | Round 1: Ellen Fredericia Nilssen - Pier Luigi Basso | Semi-Slav Defense: Stoltz Variation | |
| Oct 28, 2020 | Ellen Fredericia Nilssen | ½–½ | Axel Falkevall | Uppsala Young Champions - Round 9: Ellen Fredericia Nilssen - Axel Falkevall | Queen's Gambit Declined: Ragozin Defense | |
| Oct 28, 2020 | Viktoria Radeva | ½–½ | Ellen Fredericia Nilssen | Uppsala Young Champions - Round 8: Viktoria Radeva - Ellen Fredericia Nilssen | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Oct 27, 2020 | Ellen Fredericia Nilssen | 1–0 | Jung Hyun Seo | Uppsala Young Champions - Round 7: Ellen Fredericia Nilssen - Jung Hyun Seo | Queen's Gambit Declined | |
| Aug 28, 2020 | Ellen Fredericia Nilssen | ½–½ | Odin Blikra Vea | Offerspill Nordic Invitational – Round 8: Ellen Fredericia Nilssen - Odin Blikra Vea | Zukertort Opening: Dutch Variation | |
| Aug 27, 2020 | Conor O'Donnell | 1–0 | Ellen Fredericia Nilssen | Offerspill Nordic Invitational – Round 7: Conor O'Donnell - Ellen Fredericia Nilssen | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Aug 26, 2020 | Gustav Torngren | 0–1 | Ellen Fredericia Nilssen | Offerspill Nordic Invitational – Round 6: Gustav Torngren - Ellen Fredericia Nilssen | Queen's Pawn Game: Accelerated London System | |
| Aug 25, 2020 | Ellen Fredericia Nilssen | 0–1 | Lucas Ranaldi | Offerspill Nordic Invitational – Round 5: Ellen Fredericia Nilssen - Lucas Ranaldi | Queen's Indian Defense: Petrosian Variation | |
| Aug 24, 2020 | Normunds Miezis | 1–0 | Ellen Fredericia Nilssen | Offerspill Nordic Invitational – Round 4: Normunds Miezis - Ellen Fredericia Nilssen | French Defense: Exchange Variation, Monte Carlo Variation | |
| Aug 23, 2020 | Rune Djurhuus | 0–1 | Ellen Fredericia Nilssen | Offerspill Nordic Invitational – Round 3: Rune Djurhuus - Ellen Fredericia Nilssen | French Defense: Advance Variation, Euwe Variation | |
| Aug 22, 2020 | Ellen Fredericia Nilssen | ½–½ | Mads Vestby-Ellingsen | Offerspill Nordic Invitational – Round 2: Ellen Fredericia Nilssen - Mads Vestby-Ellingsen | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
