| Jul 12, 2026 | Schober | ½–½ | Ehlert | Round 7: Schober, Ralf - Ehlert, Horst | Bird Opening | |
| Jul 11, 2026 | Ehlert | 1–0 | Stuemer | Round 6: Ehlert, Horst - Stuemer, Paul | English Opening: Anglo-Indian Defense | |
| Jul 8, 2026 | Kahe | 1–0 | Ehlert | Round 3: Kahe, Ralph - Ehlert, Horst | Queen's Gambit Declined: Orthodox Defense | |
| Jul 7, 2026 | Ehlert | ½–½ | Waltenberger | Round 2: Ehlert, Horst - Waltenberger, Udo | English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 | |
| Jan 4, 2026 | Wolff | 1–0 | Ehlert | Runde 5: Wolff, Michael - Ehlert, Horst | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jan 3, 2026 | Ehlert | 0–1 | Salim | Runde 4: Ehlert, Horst - Salim, Florian | East Indian Defense | |
| Jan 3, 2026 | Oblender | ½–½ | Ehlert | Runde 3: Oblender, Rudi - Ehlert, Horst | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jan 2, 2026 | Ehlert | 0–1 | Drygala | Runde 2: Ehlert, Horst - Drygala, Lars | Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense | |
| Jan 2, 2026 | Haustein | 0–1 | Ehlert | Runde 1: Haustein, Henry - Ehlert, Horst | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 13, 2025 | Ehlert | ½–½ | Stuemer | Round 7: Ehlert, Horst - Stuemer, Paul | English Opening: Anglo-Indian Defense | |
| Jul 12, 2025 | Hurek | 0–1 | Ehlert | Round 6: Hurek, Werner - Ehlert, Horst | Sicilian Defense: Grand Prix Attack | |
| Jul 8, 2025 | Koehler | 1–0 | Ehlert | Round 2: Koehler, Gerhard, Dr. - Ehlert, Horst | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Jan 5, 2025 | Ehlert | ½–½ | Amrhein | Round 7: Ehlert, Horst - Amrhein, Thorsten | Queen's Pawn Game: London System | |
| Jan 4, 2025 | Ehlert | ½–½ | Gehrke | Round 5: Ehlert, Horst - Gehrke, Mathias | East Indian Defense | |
| Jan 4, 2025 | Sayas Payyappat | 0–1 | Ehlert | Round 6: Sayas Payyappat - Ehlert, Horst | Sicilian Defense: Grand Prix Attack | |
| Jan 3, 2025 | Ehlert | 1–0 | Buecklers | Round 3: Ehlert, Horst - Buecklers, Martin | Modern Defense | |
| Jan 3, 2025 | Stoy | ½–½ | Ehlert | Round 4: Stoy, Ulf - Ehlert, Horst | English Opening: Symmetrical Variation, Botvinnik System | |
| Jan 2, 2025 | Ehlert | ½–½ | Oblender | Round 1: Ehlert, Horst - Oblender, Rudi | English Opening: Great Snake Variation | |
| Jan 2, 2025 | Moerke | 1–0 | Ehlert | Round 2: Moerke, Niklas - Ehlert, Horst | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Aug 30, 2024 | Kuhn | 1–0 | Ehlert | Round 8: Kuhn, Gerd - Ehlert, Horst | Indian Defense: London System | |
| Aug 29, 2024 | Ehlert | ½–½ | Schmidt | Round 7: Ehlert, Horst - Schmidt, Gerhard, Dr. | East Indian Defense | |
| Aug 28, 2024 | Neumann | ½–½ | Ehlert | Round 6: Neumann, Joachim - Ehlert, Horst | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 24, 2024 | Rosen | ½–½ | Ehlert | Round 2: Rosen, Willy - Ehlert, Horst | Sicilian Defense: Closed | |
| Jan 7, 2023 | Ehlert | 0–1 | Schermeier | Lower Saxony Championship | A | English Opening: Anglo-Dutch Defense | |
| Jan 7, 2023 | Koss | 0–1 | Ehlert | Lower Saxony Championship | A | Slav Defense: Quiet Variation, Pin Defense | |
| Jan 5, 2023 | Langer | ½–½ | Ehlert | Lower Saxony Championship | A | English Opening: Symmetrical Variation, Three Knights Variation | |