| May 17, 2026 | Aden | ½–½ | Huiskes | Round 7: Aden, Tammo - Huiskes, Mathijs | Queen's Gambit Accepted | |
| May 17, 2026 | Ellenbroek | ½–½ | Aden | Round 6: Ellenbroek, Ton - Aden, Tammo | Catalan Opening: Open Defense | |
| May 16, 2026 | Aden | 1–0 | Bloemhof | Round 5: Aden, Tammo - Bloemhof, Ruben | Dutch Defense: Staunton Gambit, Alekhine Variation | |
| May 14, 2026 | Aden | ½–½ | Aden | Round 1: Aden, Tammo - Aden, Keno | Ruy Lopez: Closed, Martinez Variation | |
| Jan 5, 2026 | Aden | ½–½ | Koch | Runde 7: Aden, Tammo - Koch, Yannick | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jan 4, 2026 | Martin | ½–½ | Aden | Runde 6: Martin, Dennis - Aden, Tammo | Catalan Opening: Open Defense, Classical Line | |
| Jan 4, 2026 | Aden | 1–0 | Schumann | Runde 5: Aden, Tammo - Schumann, Steffen | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Jan 3, 2026 | Aden | ½–½ | Aden | Runde 4: Aden, Tammo - Aden, Keno | Zukertort Opening | |
| Jan 3, 2026 | Hohlbein | ½–½ | Aden | Runde 3: Hohlbein, Michael - Aden, Tammo | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jan 2, 2026 | Aden | 1–0 | Huhs | Runde 2: Aden, Tammo - Huhs, Sven | Neo-Grünfeld Defense: with Nf3 | |
| Jan 2, 2026 | Moerke | 0–1 | Aden | Runde 1: Moerke, Niklas - Aden, Tammo | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 1, 2025 | Aden | 1–0 | Herzwurm | Runde 7: Aden, Tammo - Herzwurm, Robert | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Nov 1, 2025 | Kopylov | 1–0 | Aden | Runde 6: Kopylov, Daniel - Aden, Tammo | Queen's Gambit Declined: Three Knights Variation | |
| Nov 1, 2025 | Aden | 1–0 | Goldmann | Runde 5: Aden, Tammo - Goldmann, David | King's Indian Defense: Orthodox Variation | |
| Oct 31, 2025 | Weidemann | ½–½ | Aden | Runde 4: Weidemann, Jakob - Aden, Tammo | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 31, 2025 | Aden | 1–0 | Broszeit | Runde 3: Aden, Tammo - Broszeit, Peter | Tarrasch Defense: Two Knights Variation | |
| Oct 30, 2025 | Schulze | 1–0 | Aden | Runde 2: Schulze, Lara - Aden, Tammo | Caro-Kann Defense: Endgame Offer | |
| Oct 30, 2025 | Aden | 1–0 | Nolte | Runde 1: Aden, Tammo - Nolte, Alexander Nicolai | Queen's Indian Defense: Fianchetto Variation, Traditional Line | |
| Jan 4, 2025 | Stoy | 1–0 | Aden | Round 5: Stoy, Ulf - Aden, Tammo | ? | |
| Jan 3, 2025 | Aden | 0–1 | Scheffner | Round 4: Aden, Tammo - Scheffner, Jarno | Queen's Pawn Game: Symmetrical Variation | |
| Jan 3, 2025 | Thomas | ½–½ | Aden | Round 3: Thomas, Jeremy - Aden, Tammo | Caro-Kann Defense: Maróczy Variation | |
| Jan 2, 2025 | Aden | 1–0 | Muecke | Round 2: Aden, Tammo - Muecke, Leonard | Pirc Defense: Kholmov System | |
| Jan 2, 2025 | Aden | ½–½ | Aden | Round 1: Aden, Keno - Aden, Tammo | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Jun 9, 2024 | Aden | ½–½ | Bargsten | Round 5: Aden, Tammo - Bargsten, Justus | Queen's Pawn Game: Zukertort Variation | |
| Jun 9, 2024 | Buchal | 0–1 | Aden | Round 4: Buchal, Stephan - Aden, Tammo | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jun 8, 2024 | Aden | ½–½ | Meessen | Round 3: Aden, Tammo - Meessen, Max | Catalan Opening: Open Defense | |
| Jun 8, 2024 | Hart | ½–½ | Aden | Round 2: Hart, Martin - Aden, Tammo | Caro-Kann Defense: Breyer Variation | |
| Jun 7, 2024 | Aden | 0–1 | Butenko | Round 1: Aden, Tammo - Butenko, Volodymyr | Catalan Opening: Closed | |
| Dec 14, 2024 | Aden | 1–0 | Nafati | Round 1: Aden, Tammo - Nafati, Meryem | Queen's Pawn Game: Zukertort Variation | |
| Dec 14, 2024 | Aden | ½–½ | Giorgadze | Round 3: Aden, Tammo - Giorgadze, Giorgi | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| Dec 14, 2024 | Aden | 0–1 | Eyvazli | Round 5: Aden, Tammo - Eyvazli, Ilkin | Neo-Grünfeld Defense: with Nf3 | |
| Dec 14, 2024 | Aden | 1–0 | de Vries | Round 8: Aden, Tammo - de Vries, Carsten | Tarrasch Defense: Classical Variation | |
| Dec 14, 2024 | Aden | 1–0 | Aden | Round 11: Aden, Tammo - Aden, Keno | Catalan Opening: Open Defense, Classical Line | |
| Dec 14, 2024 | Aden | 1–0 | Hermann | Round 13: Aden, Tammo - Hermann, Manfred | Queen's Pawn Game: Symmetrical Variation | |
| Dec 14, 2024 | Borshchov | 0–1 | Aden | Round 2: Borshchov, Maksym - Aden, Tammo | King's Indian Attack: Wahls Defense | |
| Dec 14, 2024 | Schuette | 0–1 | Aden | Round 4: Schuette, Marc - Aden, Tammo | Caro-Kann Defense: Advance Variation, Short Variation | |
| Dec 14, 2024 | Wuebbenhorst | 1–0 | Aden | Round 6: Wuebbenhorst, Oke - Aden, Tammo | Caro-Kann Defense: Two Knights Attack | |
| Dec 14, 2024 | Muecke | ½–½ | Aden | Round 7: Muecke, Leonard - Aden, Tammo | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Dec 14, 2024 | Schaefer | 0–1 | Aden | Round 9: Schaefer, Maik - Aden, Tammo | Caro-Kann Defense: Exchange Variation | |
| Dec 14, 2024 | Mueer | 1–0 | Aden | Round 10: Mueer, Sebastian - Aden, Tammo | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 14, 2024 | Schneider | 1–0 | Aden | Round 12: Schneider, Ilja - Aden, Tammo | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Jan 7, 2023 | Aden | ½–½ | Renner | Lower Saxony Championship | A | Dutch Defense: Staunton Gambit | |
| Jan 7, 2023 | Moenster | ½–½ | Aden | Lower Saxony Championship | A | Caro-Kann Defense: Two Knights Attack | |
| Jan 5, 2023 | Aden | ½–½ | Uhlendorff | Lower Saxony Championship | A | Bogo-Indian Defense: Retreat Variation | |