| Jan 5, 2026 | Westerhoff | 0–1 | Seeber | Runde 7: Westerhoff, Ralf - Seeber, Helmut | Semi-Slav Defense | |
| Jan 4, 2026 | Hemme | 1–0 | Seeber | Runde 6: Hemme, Gregory - Seeber, Helmut | Semi-Slav Defense: Main Line | |
| Jan 4, 2026 | Seeber | 0–1 | Kunst | Runde 5: Seeber, Helmut - Kunst, Jannis | Italian Game: Two Knights Defense, Polerio Defense | |
| Jan 3, 2026 | Gross | 1–0 | Seeber | Runde 4: Gross, Daniel - Seeber, Helmut | English Opening: King's English Variation | |
| Jan 3, 2026 | Seeber | ½–½ | Stelter | Runde 3: Seeber, Helmut - Stelter, Finja | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 2, 2026 | Kesselhut | * | Seeber | Runde 2: Kesselhut, Pascal - Seeber, Helmut | ? | |
| Jan 2, 2026 | Seeber | ½–½ | Hapke | Runde 1: Seeber, Helmut - Hapke, Thorsten | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Nov 1, 2025 | Wessels | 1–0 | Seeber | Runde 7: Wessels, Keke - Seeber, Helmut | Rapport-Jobava System | |
| Nov 1, 2025 | Seeber | 1–0 | Burdielov | Runde 6: Seeber, Helmut - Burdielov, Illia | Italian Game: Classical Variation | |
| Nov 1, 2025 | Kulgemeyer | 1–0 | Seeber | Runde 5: Kulgemeyer, Justus - Seeber, Helmut | Rapport-Jobava System | |
| Oct 31, 2025 | Seeber | 1–0 | van der Wateren | Runde 4: Seeber, Helmut - van der Wateren, Peter | Blackmar-Diemer Gambit Accepted: Ziegler Defense | |
| Oct 31, 2025 | Pawlus | ½–½ | Seeber | Runde 3: Pawlus, Daniel - Seeber, Helmut | Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense | |
| Oct 30, 2025 | Seeber | 0–1 | Wilting | Runde 2: Seeber, Helmut - Wilting, Oskar | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 30, 2025 | Voigt | 1–0 | Seeber | Runde 1: Voigt, Dominik - Seeber, Helmut | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jan 5, 2025 | Seeber | 1–0 | Rinke | Round 7: Seeber, Helmut - Rinke, Alexander | Blackmar-Diemer Gambit Accepted: Ziegler Defense | |
| Jan 2, 2025 | Seeber | 0–1 | Sturm | Round 2: Seeber, Helmut - Sturm, Tobias | Sicilian Defense | |
| Jan 2, 2025 | Drews | 1–0 | Seeber | Round 1: Drews, Nicolas - Seeber, Helmut | Queen's Gambit Declined | |
| Jul 28, 2024 | Seeber | ½–½ | Kutz | Round 7: Seeber, Helmut - Kutz, Henning Jasper | Italian Game: Classical Variation, La Bourdonnais Variation | |
| Jul 28, 2024 | Beerbaum | 0–1 | Seeber | Round 6: Beerbaum, Frank - Seeber, Helmut | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Jul 27, 2024 | Seeber | 0–1 | Wallstab | Round 5: Seeber, Helmut - Wallstab, Bernd | Pirc Defense | |
| Jul 27, 2024 | Schmidt | 1–0 | Seeber | Round 4: Schmidt, Karsten-Ruediger - Seeber, Helmut | Old Indian Defense: Two Knights Variation | |
| Jul 26, 2024 | Seeber | ½–½ | Teille | Round 3: Seeber, Helmut - Teille, Karl | Sicilian Defense: French Variation, Normal | |
| Jul 26, 2024 | Soechtig | ½–½ | Seeber | Round 2: Soechtig, Rudolf - Seeber, Helmut | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 25, 2024 | Seeber | 1–0 | Wengel | Round 1: Seeber, Helmut - Wengel, Julian | Blackmar-Diemer Gambit Accepted: Pietrowsky Defense | |
| Nov 3, 2024 | Seeber | 0–1 | Juergenpott | Round 7: Seeber, Helmut - Juergenpott, Maximilian | Caro-Kann Defense: Rasa-Studier Gambit | |
| Nov 2, 2024 | Seeber | 0–1 | Wilmink | Round 5: Seeber, Helmut - Wilmink, Luca | Sicilian Defense: Accelerated Dragon | |
| Nov 2, 2024 | Lauenstein | 0–1 | Seeber | Round 6: Lauenstein, Nico - Seeber, Helmut | Italian Game: Evans Gambit, Anderssen Variation, Cordel Line | |
| Nov 1, 2024 | Seeber | 1–0 | Wessels | Round 3: Seeber, Helmut - Wessels, Keke | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Nov 1, 2024 | Sviridov | 0–1 | Seeber | Round 4: Sviridov, Vitaliy - Seeber, Helmut | Queen's Pawn Game | |
| Oct 31, 2024 | Seeber | 1–0 | Huether | Round 1: Seeber, Helmut - Huether, Bjoern | Italian Game: Classical Variation, Center Attack | |
| Oct 31, 2024 | Marzik | 1–0 | Seeber | Round 2: Marzik, Arne - Seeber, Helmut | Catalan Opening: Closed, Main Line | |
| Jan 7, 2023 | Seeber | 1–0 | Othman | Lower Saxony Championship | B | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Jan 7, 2023 | Struebel | ½–½ | Seeber | Lower Saxony Championship | B | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Jan 5, 2023 | Seeber | 1–0 | Hornstein | Lower Saxony Championship | B | Van Geet Opening: Berlin Gambit | |
| — | Seeber | 1–0 | Bochmann | Round 2: Seeber, Helmut - Bochmann, Bradley Mike | Caro-Kann Defense: Campomanes Attack | |
| — | Seeber | 0–1 | Osmers | Round 3: Seeber, Helmut - Osmers, Julian | Caro-Kann Defense: Rasa-Studier Gambit | |
| — | Seeber | ½–½ | Kampe | Round 5: Seeber, Helmut - Kampe, Leon | Blackmar-Diemer Gambit Declined: O'Kelly Defense | |
| — | Seeber | 0–1 | Curth | Round 7: Seeber, Helmut - Curth, Collin | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| — | Naumann | 1–0 | Seeber | Round 1: Naumann, Martin - Seeber, Helmut | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| — | Zimmermann | ½–½ | Seeber | Round 4: Zimmermann, Felix - Seeber, Helmut | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| — | Hoffmann | ½–½ | Seeber | Round 6: Hoffmann, Edgar - Seeber, Helmut | Queen's Pawn Game: London System | |