| May 30, 2026 | Koenig | ½–½ | Yozgyur | DEM U14 2026 | Zukertort Opening: Reversed Grünfeld | |
| May 29, 2026 | Prashanthakumar | ½–½ | Koenig | DEM U14 2026 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| May 28, 2026 | Koenig | 0–1 | Li | DEM U14 2026 | Zukertort Opening: Sicilian Invitation | |
| May 27, 2026 | Gao | 1–0 | Koenig | DEM U14 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 27, 2026 | Koenig | 0–1 | Fischermann | DEM U14 2026 | King's Indian Attack: Symmetrical Defense | |
| May 26, 2026 | Kaufmann | 1–0 | Koenig | DEM U14 2026 | Italian Game: Classical Variation, Greco Gambit, Modern Line | |
| May 25, 2026 | Koenig | 1–0 | Kateryniuk | DEM U14 2026 | King's Indian Attack: Spassky Variation | |
| May 24, 2026 | Junge | 1–0 | Koenig | DEM U14 2026 | Ruy Lopez: Berlin Defense, l'Hermet Variation, Berlin Wall Defense | |
| May 24, 2026 | Koenig | ½–½ | Draude | DEM U14 2026 | Zukertort Opening: Sicilian Invitation | |
| Oct 5, 2025 | Koenig | ½–½ | Bloecher | Deutsche Ländermeisterschaft 2025 | King's Indian Defense: Fianchetto Variation, Yugoslav Variation | |
| Oct 4, 2025 | Du | 0–1 | Koenig | Deutsche Ländermeisterschaft 2025 | Italian Game: Giuoco Pianissimo | |
| Oct 3, 2025 | Koenig | 1–0 | Ignatova | Deutsche Ländermeisterschaft 2025 | Neo-Grünfeld Defense: Classical Variation | |
| Oct 3, 2025 | Nguyen | 1–0 | Koenig | Deutsche Ländermeisterschaft 2025 | Queen's Pawn Game: Stonewall Attack | |
| Oct 2, 2025 | Koenig | 1–0 | Didas | Deutsche Ländermeisterschaft 2025 | King's Indian Attack: Symmetrical Defense | |
| Oct 1, 2025 | Zhang | 1–0 | Koenig | Deutsche Ländermeisterschaft 2025 | Catalan Opening: Closed | |
| Oct 1, 2025 | Koenig | 0–1 | Roessling | Deutsche Ländermeisterschaft 2025 | Zukertort Opening | |
| Jun 14, 2025 | Hellriegel | ½–½ | Koenig | DEM U12 2025 | Four Knights Game: Gunsberg Variation | |
| Jun 13, 2025 | Koenig | 1–0 | Aliyev | DEM U12 2025 | Catalan Opening: Open Defense, Classical Line | |
| Jun 12, 2025 | Koenig | 0–1 | Baumann | DEM U12 2025 | King's Indian Attack | |
| Jun 11, 2025 | Poladli | ½–½ | Koenig | DEM U12 2025 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Jun 11, 2025 | Obermair | 1–0 | Koenig | DEM U12 2025 | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jun 10, 2025 | Koenig | ½–½ | Nikonenko | DEM U12 2025 | Neo-Grünfeld Defense: Classical Variation | |
| Jun 9, 2025 | Ishcenko | ½–½ | Koenig | DEM U12 2025 | Four Knights Game: Scotch Variation Accepted | |
| Jun 8, 2025 | Koenig | 0–1 | Brueckner | DEM U12 2025 | King's Indian Attack: Symmetrical Defense | |
| Jun 8, 2025 | Ziem | 1–0 | Koenig | DEM U12 2025 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| May 25, 2024 | Gao | 1–0 | Koenig | DEM U12 2024 | Queen's Pawn Game: Colle System | |
| May 24, 2024 | Koenig | ½–½ | Subocz | DEM U12 2024 | Sicilian Defense: Closed | |
| May 23, 2024 | Koenig | 0–1 | Schellinger | DEM U12 2024 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 22, 2024 | Koenig | 1–0 | Fass | DEM U12 2024 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| May 22, 2024 | Grabowski | 1–0 | Koenig | DEM U12 2024 | Ruy Lopez: Closed, Pilnik Variation | |
| May 21, 2024 | Rinke | 1–0 | Koenig | DEM U12 2024 | Ruy Lopez: Morphy Defense, Caro Variation | |
| May 20, 2024 | Koenig | 0–1 | Fritzsche | DEM U12 2024 | Sicilian Defense: Closed | |
| May 19, 2024 | Koenig | 0–1 | Andersen | DEM U12 2024 | Italian Game: Hungarian Defense | |
| May 19, 2024 | Doeding | 1–0 | Koenig | DEM U12 2024 | Scotch Game: Benima Defense | |