| Feb 3, 2026 | Reinhard | 0–1 | Klymenko | Round 7: Reinhard, Ralf-Peter - Klymenko, Maria | Nimzo-Larsen Attack: Dutch Variation | |
| Feb 2, 2026 | Klymenko | ½–½ | Zinn | Round 6: Klymenko, Maria - Zinn, August | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Feb 1, 2026 | Klymenko | 0–1 | Moeller | Round 4: Klymenko, Maria - Moeller, Tom | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Feb 1, 2026 | Wetterau | ½–½ | Klymenko | Round 3: Wetterau, Nathanael - Klymenko, Maria | Sicilian Defense | |
| Dec 29, 2025 | Andreeva | ½–½ | Klymenko | DVM U12w 2025 | Sicilian Defense: Alapin Variation | |
| Dec 29, 2025 | Klymenko | 1–0 | Lange | DVM U12w 2025 | King's Indian Attack | |
| Dec 28, 2025 | Kuznetsova | 0–1 | Klymenko | DVM U12w 2025 | Sicilian Defense: Old Sicilian | |
| Dec 28, 2025 | Klymenko | 1–0 | Tischlinger | DVM U12w 2025 | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Dec 27, 2025 | Feldhaus | 0–1 | Klymenko | DVM U12w 2025 | Sicilian Defense: Old Sicilian | |
| Dec 15, 2025 | Klymenko | ½–½ | Satheesh | DVM U12w 2025 | Petrov's Defense: Nimzowitsch Attack | |
| Dec 15, 2025 | Klymenko | 0–1 | Huang | DVM U12w 2025 | Sicilian Defense: Alapin Variation | |
| Oct 4, 2025 | Kuebart | ½–½ | Klymenko | Deutsche Ländermeisterschaft 2025 | Horwitz Defense | |
| Oct 3, 2025 | Klymenko | 0–1 | Bloecher | Deutsche Ländermeisterschaft 2025 | King's Indian Defense: Fianchetto Variation, Yugoslav Variation | |
| Oct 3, 2025 | Klymenko | 1–0 | Goeb | Deutsche Ländermeisterschaft 2025 | Catalan Opening: Closed, Main Line | |
| Oct 1, 2025 | Rietveld | 0–1 | Klymenko | Deutsche Ländermeisterschaft 2025 | Sicilian Defense: Grand Prix Attack | |
| Jun 14, 2025 | Bohatyrova | 1–0 | Klymenko | DEM U12w 2025 | Zukertort Opening: Dutch Variation | |
| Jun 13, 2025 | Klymenko | 1–0 | Heidtkamp | DEM U12w 2025 | Catalan Opening: Closed | |
| Jun 12, 2025 | Shynkar | 1–0 | Klymenko | DEM U12w 2025 | Nimzo-Indian Defense: Rubinstein System | |
| Jun 11, 2025 | Klymenko | 1–0 | Alnajjar | DEM U12w 2025 | Pirc Defense | |
| Jun 11, 2025 | Lukas | 0–1 | Klymenko | DEM U12w 2025 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 10, 2025 | Klymenko | ½–½ | Bayer | DEM U12w 2025 | Caro-Kann Defense: Exchange Variation | |
| Jun 8, 2025 | Klymenko | 1–0 | Greither | DEM U12w 2025 | Sicilian Defense: Alapin Variation | |
| Jun 8, 2025 | Nehrukumar | 0–1 | Klymenko | DEM U12w 2025 | Caro-Kann Defense: Exchange Variation | |
| Jun 6, 2025 | Schirmbeck | 1–0 | Klymenko | DEM U12w 2025 | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Dec 30, 2024 | Klymenko | 1–0 | Mrugalski | DVM U12w 2024 | Caro-Kann Defense: Exchange Variation | |
| Dec 29, 2024 | Klymenko | 1–0 | Fruth | DVM U12w 2024 | Zukertort Opening: Sicilian Invitation | |
| Dec 29, 2024 | Bacakova | ½–½ | Klymenko | DVM U12w 2024 | French Defense: King's Indian Attack | |
| Dec 28, 2024 | Mersmann | 0–1 | Klymenko | DVM U12w 2024 | Caro-Kann Defense | |
| Dec 28, 2024 | Kuebart | ½–½ | Klymenko | DVM U12w 2024 | Horwitz Defense | |
| Dec 27, 2024 | Klymenko | ½–½ | Busch | DVM U12w 2024 | Center Game: Normal Variation | |
| Dec 27, 2024 | Wolf | 0–1 | Klymenko | DVM U12w 2024 | Caro-Kann Defense: Two Knights Attack | |
| May 25, 2024 | Schille | 0–1 | Klymenko | DEM U12w 2024 | French Defense: Advance Variation, Nimzowitsch System | |
| May 24, 2024 | Klymenko | 0–1 | Weyerer | DEM U12w 2024 | Van't Kruijs Opening | |
| May 23, 2024 | Kuebart | ½–½ | Klymenko | DEM U12w 2024 | Englund Gambit Declined: Reversed French | |
| May 22, 2024 | Klymenko | 0–1 | Tischlinger | DEM U12w 2024 | Queen's Pawn Game: Colle System | |
| May 22, 2024 | Ramakrishnan | 1–0 | Klymenko | DEM U12w 2024 | English Defense | |
| May 21, 2024 | Klymenko | 1–0 | Ali | DEM U12w 2024 | Queen's Pawn Game: Accelerated London System | |
| May 20, 2024 | Noennig | 0–1 | Klymenko | DEM U12w 2024 | Caro-Kann Defense: Main Line | |
| May 19, 2024 | Klymenko | ½–½ | Haidekker | DEM U12w 2024 | Slav Defense: Quiet Variation, Schallopp Defense | |
| May 19, 2024 | Margaryan | 1–0 | Klymenko | DEM U12w 2024 | Dutch Defense: Rubinstein Variation | |