| Apr 3, 2026 | Klebsch | 0–1 | Freimuth | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | ? | |
| Apr 2, 2026 | Klebsch | 1–0 | Muendoerfer | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Sicilian Defense: Alapin Variation, Barmen Defense, Endgame Variation | |
| Apr 1, 2026 | Schmidt | 0–1 | Klebsch | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Apr 1, 2026 | Klebsch | ½–½ | Buergener | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Four Knights Game | |
| Mar 31, 2026 | Fischer | 1–0 | Klebsch | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Dutch Defense: Classical Variation | |
| Mar 30, 2026 | Klebsch | 1–0 | Kulgemeyer | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Mar 30, 2026 | Stoffers | 0–1 | Klebsch | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Indian Defense: Spielmann-Indian | |
| Mar 29, 2026 | Klebsch | 0–1 | Bangert | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | English Opening: Mikenas-Carls Variation | |
| Mar 28, 2026 | Struebel | ½–½ | Klebsch | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Sicilian Defense: Four Knights Variation | |
| Jan 5, 2026 | Klebsch | 0–1 | Gottschalk | Runde 7: Klebsch, Tobias - Gottschalk, Siegfried | French Defense: Winawer Variation, Portisch-Hook Variation | |
| Jan 4, 2026 | Buecklers | 0–1 | Klebsch | Runde 6: Buecklers, Martin - Klebsch, Tobias | Zukertort Opening: Kingside Fianchetto | |
| Jan 4, 2026 | Klebsch | 1–0 | Muecke | Runde 5: Klebsch, Tobias - Muecke, Leonard | Pirc Defense: 150 Attack | |
| Jan 3, 2026 | Schoene | 1–0 | Klebsch | Runde 4: Schoene, Finn - Klebsch, Tobias | Rapport-Jobava System | |
| Jan 3, 2026 | Klebsch | 1–0 | Uhlendorff | Runde 3: Klebsch, Tobias - Uhlendorff, Luca | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Jan 2, 2026 | Seer | ½–½ | Klebsch | Runde 2: Seer, Maurice - Klebsch, Tobias | French Defense: Tarrasch Variation, Open System | |
| Jan 2, 2026 | Klebsch | 0–1 | Burnus | Runde 1: Klebsch, Tobias - Burnus, Finn Crispin | Four Knights Game | |
| Jul 13, 2025 | Rabe | 0–1 | Klebsch | Round 7: Rabe, Fabian - Klebsch, Tobias | French Defense: Advance Variation | |
| Jul 12, 2025 | Klebsch | ½–½ | Wirries | Round 6: Klebsch, Tobias - Wirries, Frank-Michael, Dr. | Sicilian Defense | |
| Jul 12, 2025 | Klebsch | 0–1 | Marzik | Round 5: Klebsch, Tobias - Marzik, Arne | Nimzo-Larsen Attack: Classical Variation | |
| Jul 11, 2025 | Harms | 1–0 | Klebsch | Round 4: Harms, Friedjof - Klebsch, Tobias | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jul 11, 2025 | Bangert | 1–0 | Klebsch | Round 3: Bangert, Jonas - Klebsch, Tobias | Benko Gambit Accepted: Dlugy Variation | |
| Jul 10, 2025 | Klebsch | ½–½ | Kettner-Nikolaus | Round 2: Klebsch, Tobias - Kettner-Nikolaus, Frank | Sicilian Defense | |
| Jul 10, 2025 | Chakhalov | 0–1 | Klebsch | Round 1: Chakhalov, Mikael - Klebsch, Tobias | English Opening: King's English Variation | |
| Jun 29, 2025 | Klebsch | 1–0 | Lammers | Round 9: Klebsch, Tobias - Lammers, Frank, Prof. Dr. | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jun 29, 2025 | Klebsch | 0–1 | Panskus | Round 8: Klebsch, Tobias - Panskus, Martin | Modern Defense: Standard Line | |
| Jun 29, 2025 | Herbst | ½–½ | Klebsch | Round 7: Herbst, Frank - Klebsch, Tobias | Zukertort Opening: Herrstrom Gambit | |
| Jun 29, 2025 | Klebsch | 0–1 | Langer | Round 6: Klebsch, Tobias - Langer, Michael S. | Nimzo-Larsen Attack: Classical Variation | |
| Jun 29, 2025 | Gebauer | 0–1 | Klebsch | Round 5: Gebauer, Dimitri - Klebsch, Tobias | English Opening: King's English Variation, Adhiban Gambit | |
| Jun 29, 2025 | Klebsch | 1–0 | Kurzova | Round 4: Klebsch, Tobias - Kurzova, Marianna | Nimzo-Larsen Attack: Modern Variation | |
| Jun 29, 2025 | Waltsgott | 0–1 | Klebsch | Round 3: Waltsgott, Hermann - Klebsch, Tobias | Indian Defense | |
| Jun 29, 2025 | Klebsch | 0–1 | Oberesch | Round 2: Klebsch, Tobias - Oberesch, Tjark | Queen's Pawn Game: Chigorin Variation, Irish Gambit | |
| Jun 29, 2025 | Nechitaylo | 1–0 | Klebsch | Round 1: Nechitaylo, Nikita - Klebsch, Tobias | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Nov 16, 2024 | Rangosch | 1–0 | Klebsch | Round 2: Rangosch, Alexander - Klebsch, Tobias | Queen's Pawn Game | |
| Nov 15, 2024 | Klebsch | ½–½ | Hielscher | Round 1: Klebsch, Tobias - Hielscher, Ursula | Rapport-Jobava System | |
