| Apr 19, 2026 | Matthiesen | 1–0 | Chatalbashev | SonFlow Cup 2026 | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Apr 18, 2026 | Matthiesen | ½–½ | Kopylov | SonFlow Cup 2026 | Benko Gambit Accepted: Fianchetto Variation | |
| Apr 18, 2026 | Kopylov | 1–0 | Matthiesen | SonFlow Cup 2026 | Ruy Lopez: Closed, Anti-Marshall | |
| Apr 18, 2026 | Matthiesen | 1–0 | Fries-Nielsen | SonFlow Cup 2026 | Queen's Pawn Game: Modern Defense | |
| Apr 17, 2026 | Skytte | ½–½ | Matthiesen | SonFlow Cup 2026 | Queen's Gambit Declined | |
| Mar 31, 2026 | Matthiesen | 1–0 | Jorgensen | Eliteklassen | Dutch Defense: Raphael Variation | |
| Mar 22, 2026 | Le Besq | 0–1 | Matthiesen | Eliteklassen | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Mar 22, 2026 | Matthiesen | 1–0 | Sandmann | Eliteklassen | Catalan Opening: Open Defense | |
| Mar 22, 2026 | Hansen | 0–1 | Matthiesen | Eliteklassen | Sicilian Defense: Closed, Traditional | |
| Mar 22, 2026 | Matthiesen | 0–1 | Sylvan | Eliteklassen | Queen's Gambit Accepted | |
| Mar 22, 2026 | Hansen | 0–1 | Matthiesen | Eliteklassen | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Mar 22, 2026 | Matthiesen | ½–½ | Rewitz | Eliteklassen | Queen's Indian Defense: Fianchetto Variation, Traditional Line | |
| Mar 15, 2026 | Sorensen | 1–0 | Matthiesen | Køge - SK1968 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 15, 2026 | Matthiesen | 0–1 | Loftgaard | SK1968 - Frem | Indian Defense: Anti-Nimzo-Indian | |
| Jan 25, 2026 | Ahlander | 1–0 | Matthiesen | Brønshøj - SK1968 | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Jan 24, 2026 | Matthiesen | 1–0 | Jepson | SK1968 - Nordkalotten | Indian Defense: Wade-Tartakower Defense | |
| Dec 30, 2025 | Matthiesen | 1–0 | Lilja | ØBRO x CXU yearly new years tournament 2025 | King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line | |
| Dec 30, 2025 | Peitersen | ½–½ | Matthiesen | ØBRO x CXU yearly new years tournament 2025 | Four Knights Game: Scotch Variation Accepted | |
| Dec 29, 2025 | Matthiesen | 0–1 | Gregor | ØBRO x CXU yearly new years tournament 2025 | Catalan Opening: Open Defense, Classical Line | |
| Dec 28, 2025 | Moe | 0–1 | Matthiesen | ØBRO x CXU yearly new years tournament 2025 | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Dec 28, 2025 | Matthiesen | 1–0 | Kirkebække | ØBRO x CXU yearly new years tournament 2025 | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Dec 27, 2025 | Tuborg Skovvang | 0–1 | Matthiesen | ØBRO x CXU yearly new years tournament 2025 | Caro-Kann Defense: Exchange Variation | |
| Nov 2, 2025 | Hansen | 1–0 | Matthiesen | Hillerød - SK1968 | Zukertort Opening | |
| Nov 1, 2025 | Matthiesen | 0–1 | Kistrup | SK1968 - BMS | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| May 4, 2025 | Matthiesen | 1–0 | Vinter-Schou | SonFlow Cup | Benoni Defense | |
| May 4, 2025 | Kistrup | ½–½ | Matthiesen | SonFlow Cup | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| May 3, 2025 | Matthiesen | ½–½ | Korneev | SonFlow Cup | Semi-Slav Defense | |
| May 3, 2025 | Matthiesen | 0–1 | Chatalbashev | SonFlow Cup | King's Indian Defense: Makogonov Variation | |
| May 3, 2025 | Kopylov | ½–½ | Matthiesen | SonFlow Cup | Bogo-Indian Defense: Retreat Variation | |
| Apr 21, 2025 | Jalving | 1–0 | Matthiesen | Kandidatklassen | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Apr 20, 2025 | Matthiesen | 1–0 | Laursen | Kandidatklassen | Slav Defense: Exchange Variation | |
| Apr 19, 2025 | Hansen | ½–½ | Matthiesen | Kandidatklassen | Zukertort Opening | |
| Apr 18, 2025 | Matthiesen | 0–1 | Medhus | Kandidatklassen | Catalan Opening: Open Defense | |
| Apr 17, 2025 | Loftgaard | 0–1 | Matthiesen | Kandidatklassen | Ponziani Opening: Jaenisch Counterattack | |
| Apr 16, 2025 | Matthiesen | 1–0 | Klitgaard | Kandidatklassen | Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation | |
| Apr 16, 2025 | Wahlgreen | 0–1 | Matthiesen | Kandidatklassen | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Apr 7, 2024 | Matthiesen | ½–½ | Percivaldi | SK1968 - Hillerød | Zukertort Opening: Queen's Gambit Invitation | |
| Apr 6, 2024 | Sylvan | ½–½ | Matthiesen | Nordkalotten - SK1968 | Ruy Lopez: Marshall Attack, Modern Variation | |
| Jan 28, 2024 | Matthiesen | ½–½ | Smith | Køge - SK1968 | Queen's Gambit Declined: Austrian Defense | |
| Jan 27, 2024 | Kistrup | 0–1 | Matthiesen | Køge - SK1968 | Queen's Gambit Declined: Anti-Tartakower Variation | |
| Oct 29, 2023 | Pilgaard | ½–½ | Matthiesen | Brønshøj - SK1968 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Oct 28, 2023 | Matthiesen | 1–0 | Johansen | SK1968 - Frem | Tarrasch Defense: Two Knights Variation | |
| Apr 23, 2023 | Matthiesen | 0–1 | Kopylov | SonFlow | Grünfeld Defense: Exchange Variation, Classical Variation | |
| Apr 23, 2023 | Kopylov | 1–0 | Matthiesen | SonFlow | Catalan Opening: Open Defense | |
| Apr 22, 2023 | Matthiesen | 0–1 | Vinter-Schou | SonFlow | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line | |
| Apr 22, 2023 | Matthiesen | ½–½ | Sidhant | SonFlow | Semi-Slav Defense | |
| Apr 22, 2023 | Hansen | 0–1 | Matthiesen | SonFlow | King's Indian Attack: Double Fianchetto | |
| Mar 26, 2023 | Nielsen | ½–½ | Matthiesen | M3 | Catalan Opening: Open Defense | |
| Mar 25, 2023 | Matthiesen | ½–½ | Mikkelsen | M5 | Queen's Gambit Declined: Janowski Variation | |
| Jan 15, 2023 | Hillarp-Persson | 1–0 | Matthiesen | M2 SK1968 - BRØ | King's Indian Attack: Double Fianchetto | |
| Jan 14, 2023 | Matthiesen | ½–½ | Thybo | M3 Køge-SK68 | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Oct 30, 2022 | Hector | 1–0 | Matthiesen | SK1968 - Nordkalotten | Italian Game: Two Knights Defense | |
| Oct 29, 2022 | Matthiesen | 0–1 | Hansen | Hillerød - SK1968 | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Oct 16, 2022 | Matthiesen | 0–1 | Thogersen | Odensemesterskab 2022 | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Oct 16, 2022 | Jacobsen | 1–0 | Matthiesen | Odensemesterskab 2022 | Queen's Pawn Game: London System | |
| Oct 15, 2022 | Matthiesen | 0–1 | Ramsdal | Odensemesterskab 2022 | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
| Oct 15, 2022 | Skytte | 1–0 | Matthiesen | Odensemesterskab 2022 | Nimzo-Indian Defense: Normal Variation, Schlechter Defense | |
| Oct 15, 2022 | Fries-Nielsen | 1–0 | Matthiesen | Odensemesterskab 2022 | King's Indian Attack: Double Fianchetto | |