| Jun 9, 2025 | Stammen | * | Liu | Round 7: Stammen, York Magnus - Liu, Yichen | ? | |
| Jun 7, 2025 | Hansen | * | Stammen | Round 3: Hansen, Lukas - Stammen, York Magnus | ? | |
| Jun 7, 2025 | Stammen | 0–1 | Meyer | Round 2: Stammen, York Magnus - Meyer, Ulrich | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Apr 21, 2025 | Wehr | 1–0 | Stammen | Round 9: Wehr, Jan - Stammen, York Magnus | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Apr 21, 2025 | Stammen | ½–½ | Nathe | Round 8: Stammen, York Magnus - Nathe, Nico | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Apr 20, 2025 | Kronseder | 0–1 | Stammen | Round 7: Kronseder, Michael - Stammen, York Magnus | French Defense: Classical Variation | |
| Apr 20, 2025 | Stammen | ½–½ | Meisters | Round 6: Stammen, York Magnus - Meisters, Leon | Zukertort Opening | |
| Apr 19, 2025 | Salomov | 1–0 | Stammen | Round 5: Salomov, Asilbek - Stammen, York Magnus | French Defense: Two Knights Variation | |
| Apr 19, 2025 | Kuhanec | * | Stammen | Round 4: Kuhanec, David - Stammen, York Magnus | ? | |
| Apr 18, 2025 | Stammen | 0–1 | Zander | Round 3: Stammen, York Magnus - Zander, Vincent | Bogo-Indian Defense: Nimzowitsch Variation | |
| Apr 18, 2025 | Schocke | 1–0 | Stammen | Round 2: Schocke, Mark - Stammen, York Magnus | English Opening: Anglo-Indian Defense | |
| Apr 17, 2025 | Stammen | ½–½ | Jonas Markgraf | Round 1: Stammen, York Magnus - Jonas Markgraf | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Aug 3, 2024 | Atar | ½–½ | Stammen | Round 7: Atar, Semih Akif - Stammen, York Magnus | English Opening: Anglo-Indian Defense | |
| Aug 3, 2024 | Stammen | 0–1 | Samoshkin | Round 6: Stammen, York Magnus - Samoshkin, Dmytro | Queen's Pawn Game: Chigorin Variation | |
| Aug 2, 2024 | Tok | 0–1 | Stammen | Round 5: Tok, Tuana - Stammen, York Magnus | Indian Defense: Spielmann-Indian | |
| Aug 2, 2024 | Stammen | 0–1 | Schott | Round 4: Stammen, York Magnus - Schott, Andy | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Aug 1, 2024 | Connemann | 0–1 | Stammen | Round 3: Connemann, Mirko - Stammen, York Magnus | Benoni Defense: King's Pawn Line | |
| Aug 1, 2024 | Stammen | 0–1 | Freese | Round 2: Stammen, York Magnus - Freese, Carsten | ? | |
| Jul 31, 2024 | Grosser | 1–0 | Stammen | Round 1: Grosser, Walter - Stammen, York Magnus | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Jun 7, 2024 | Stammen | 1–0 | Gerov | Round 10: Stammen, York Magnus - Gerov, Emil | King's Indian Attack: Symmetrical Defense | |
| Jun 7, 2024 | Neumann | 1–0 | Stammen | Round 8: Neumann, Helena - Stammen, York Magnus | French Defense: Tarrasch Variation, Open System, Main Line | |
| Jun 7, 2024 | Hagenhoff | ½–½ | Stammen | Round 6: Hagenhoff, Georg - Stammen, York Magnus | Polish Opening | |
| Jun 7, 2024 | Stammen | 0–1 | Krautkraemer | Round 5: Stammen, York Magnus - Krautkraemer, Karl-Heinz | Zukertort Opening: Queenside Fianchetto Variation | |
| Jun 7, 2024 | Heuermann | 0–1 | Stammen | Round 4: Heuermann, Heinz-Burkhard - Stammen, York Magnus | King's Indian Attack: Wahls Defense | |
| Jun 7, 2024 | Stammen | 0–1 | Schirmbeck | Round 3: Stammen, York Magnus - Schirmbeck, Markus | Queen's Gambit Declined: Ragozin Defense | |
| Jun 7, 2024 | Stammen | ½–½ | Deppe | Round 1: Stammen, York Magnus - Deppe, Leo | Richter-Veresov Attack: Richter Variation | |
| Apr 1, 2024 | Henry-Kurt Weyermann | 0–1 | Stammen | Round 9: Henry-Kurt Weyermann - Stammen, York Magnus | French Defense: Tarrasch Variation, Open System, Süchting Line | |
| Apr 1, 2024 | Meyer | 1–0 | Stammen | Round 8: Meyer, Ulrich - Stammen, York Magnus | French Defense: Advance Variation, Main Line | |
| Mar 31, 2024 | Stammen | ½–½ | Mischke Ramirez | Round 7: Stammen, York Magnus - Mischke Ramirez, Daniel Enrique | Catalan Opening: Open Defense, Classical Line | |
| Mar 31, 2024 | Luven | 0–1 | Stammen | Round 6: Luven, Thomas - Stammen, York Magnus | French Defense: Advance Variation | |
| Mar 30, 2024 | Stammen | 1–0 | Starke | Round 5: Stammen, York Magnus - Starke, Julian | Zukertort Opening: Queen's Gambit Invitation | |
| Mar 30, 2024 | Stammen | 0–1 | Klocke | Round 4: Stammen, York Magnus - Klocke, Jonas | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Mar 29, 2024 | Heinzel | 1–0 | Stammen | Round 3: Heinzel, Thomas - Stammen, York Magnus | Benoni Defense: Fianchetto Variation | |
| Mar 29, 2024 | Stammen | 0–1 | Schocke | Round 2: Stammen, York Magnus - Schocke, Mark | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Mar 28, 2024 | Garnacho Velasco | 1–0 | Stammen | Round 1: Garnacho Velasco, Eduardo - Stammen, York Magnus | French Defense: Steinitz Variation, Boleslavsky Variation | |
