| Jan 5, 2026 | Weist | 0–1 | Wilting | Runde 7: Weist, Hartmut - Wilting, Oskar | King's Indian Attack: Symmetrical Defense | |
| Jan 4, 2026 | Kobs | ½–½ | Weist | Runde 6: Kobs, Stephan - Weist, Hartmut | King's Indian Attack: Double Fianchetto | |
| Jan 4, 2026 | Weist | 1–0 | Lewerenz | Runde 5: Weist, Hartmut - Lewerenz, Max | Scotch Game: Lolli Variation | |
| Jan 3, 2026 | Stolz | 1–0 | Weist | Runde 4: Stolz, Robin - Weist, Hartmut | Sicilian Defense: Smith-Morra Gambit | |
| Jan 3, 2026 | Weist | ½–½ | Geib | Runde 3: Weist, Hartmut - Geib, Niklas | Scotch Game: Lolli Variation | |
| Jan 2, 2026 | Musev | * | Weist | Runde 2: Musev, Sibin - Weist, Hartmut | ? | |
| Jan 2, 2026 | Weist | 0–1 | Kluever | Runde 1: Weist, Hartmut - Kluever, Jan Frederik | Scandinavian Defense: Lasker Variation | |
| Jan 5, 2025 | Weist | 0–1 | Wachtel | Round 7: Weist, Hartmut - Wachtel, Edwin | Sicilian Defense: Dragon Variation, Classical Variation | |
| Jan 4, 2025 | Weist | 0–1 | Remizov | Round 5: Weist, Hartmut - Remizov, Kyryl | Caro-Kann Defense: Panov Attack | |
| Jan 4, 2025 | Bartel | ½–½ | Weist | Round 6: Bartel, Reinhard - Weist, Hartmut | Nimzo-Indian Defense | |
| Jan 3, 2025 | Weist | 0–1 | Balazs | Round 3: Weist, Hartmut - Balazs, Kata | Scandinavian Defense: Lasker Variation | |
| Jan 3, 2025 | Bartels | 1–0 | Weist | Round 4: Bartels, Jens - Weist, Hartmut | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jan 2, 2025 | Reinecke | 0–1 | Weist | Round 2: Reinecke, Marten - Weist, Hartmut | Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line | |
| Jan 7, 2023 | Weist | ½–½ | Richter | Lower Saxony Championship | B | Sicilian Defense: Four Knights Variation | |
| Jan 7, 2023 | Direk | 1–0 | Weist | Lower Saxony Championship | B | Indian Defense | |
| Jan 5, 2023 | Weist | 1–0 | Struebel | Lower Saxony Championship | B | French Defense: Tarrasch Variation, Closed Variation | |
