| Jan 5, 2026 | Steffens | 0–1 | Schumann | Runde 7: Steffens, Olaf - Schumann, Steffen | Nimzo-Larsen Attack: Modern Variation | |
| Jan 4, 2026 | Schumann | 1–0 | Jacobi | Runde 6: Schumann, Steffen - Jacobi, Felix-Hagen | French Defense: Tarrasch Variation, Closed Variation | |
| Jan 4, 2026 | Aden | 1–0 | Schumann | Runde 5: Aden, Tammo - Schumann, Steffen | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Jan 3, 2026 | Schumann | 1–0 | Hohlbein | Runde 4: Schumann, Steffen - Hohlbein, Michael | Sicilian Defense: Kalashnikov Variation | |
| Jan 3, 2026 | Renner | ½–½ | Schumann | Runde 3: Renner, Kai - Schumann, Steffen | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jan 2, 2026 | Schumann | 1–0 | Moeller | Runde 2: Schumann, Steffen - Moeller, Jonas | Ruy Lopez: Closed, Anti-Marshall | |
| Jan 2, 2026 | Kozik | 0–1 | Schumann | Runde 1: Kozik, Andreas - Schumann, Steffen | Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line | |
| Jan 5, 2025 | Schumann | ½–½ | Stoy | Round 7: Schumann, Steffen - Stoy, Ulf | Modern Defense: Pseudo-Austrian Attack | |
| Jan 4, 2025 | Schumann | 1–0 | Seer | Round 5: Schumann, Steffen - Seer, Maurice | Ruy Lopez: Closed, Chigorin Defense, Panov System | |
| Jan 4, 2025 | Thieu | ½–½ | Schumann | Round 6: Thieu, Nguyen Gia Bao - Schumann, Steffen | Sicilian Defense: Alapin Variation | |
| Jan 3, 2025 | Schumann | 1–0 | Gehrke | Round 3: Schumann, Steffen - Gehrke, Mathias | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Jan 3, 2025 | Soellig | 1–0 | Schumann | Round 4: Soellig, Martin - Schumann, Steffen | Sicilian Defense: Closed | |
| Jan 2, 2025 | Schumann | 0–1 | Zweigait | Round 1: Schumann, Steffen - Zweigait, Leon | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Jan 2, 2025 | Goertzen | 0–1 | Schumann | Round 2: Goertzen, Simon - Schumann, Steffen | Sicilian Defense: Dragon Variation | |
| Nov 3, 2024 | Schumann | 1–0 | Kutlar | Round 7: Schumann, Steffen - Kutlar, Aras | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Nov 2, 2024 | Schumann | 0–1 | Ritscher | Round 5: Schumann, Steffen - Ritscher, Jan-Paul, Dr. | Alekhine Defense: Modern Variation, Main Line | |
| Nov 2, 2024 | Arnz | 0–1 | Schumann | Round 6: Arnz, Tom Niklas - Schumann, Steffen | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Nov 1, 2024 | Schumann | 1–0 | Koerber | Round 3: Schumann, Steffen - Koerber, Uwe | Sicilian Defense: Kan Variation, Knight Variation | |
| Nov 1, 2024 | Pahl | ½–½ | Schumann | Round 4: Pahl, Theis - Schumann, Steffen | English Opening: Great Snake Variation | |
| Oct 31, 2024 | Schumann | 1–0 | Leppert | Round 2: Schumann, Steffen - Leppert, Stefan | Sicilian Defense: Najdorf Variation, Goteborg Variation | |
| Oct 31, 2024 | Kopylov | 1–0 | Schumann | Round 1: Kopylov, Michael - Schumann, Steffen | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jan 7, 2023 | Schumann | 1–0 | Kieselbach | Lower Saxony Championship | A | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jan 7, 2023 | Renner | 1–0 | Schumann | Lower Saxony Championship | A | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jan 5, 2023 | Schumann | 1–0 | Hoellmann | Lower Saxony Championship | A | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
