| May 30, 2026 | Fettan | 1–0 | Heidtkamp | DEM U14w 2026 | Bird Opening: Dutch Variation | |
| May 29, 2026 | Heidtkamp | 1–0 | Waeldchen | DEM U14w 2026 | Benoni Defense: Modern Variation | |
| May 28, 2026 | Werner | ½–½ | Heidtkamp | DEM U14w 2026 | Four Knights Game: Scotch Variation Accepted | |
| May 27, 2026 | Heidtkamp | 0–1 | Ali | DEM U14w 2026 | English Opening: Neo-Catalan Declined | |
| May 27, 2026 | Alnajjar | ½–½ | Heidtkamp | DEM U14w 2026 | King's Indian Attack, with e6 | |
| May 26, 2026 | Heidtkamp | 1–0 | Warnke | DEM U14w 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 25, 2026 | Stiehler | 1–0 | Heidtkamp | DEM U14w 2026 | King's Indian Attack | |
| May 24, 2026 | Heidtkamp | 0–1 | Burchardi | DEM U14w 2026 | Queen's Pawn Game: Colle System | |
| May 24, 2026 | Bohatyrova | ½–½ | Heidtkamp | DEM U14w 2026 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 30, 2025 | Heidtkamp | 1–0 | Tischlinger | DVM U12w 2025 | Queen's Pawn Game | |
| Dec 29, 2025 | Kuznetsova | 1–0 | Heidtkamp | DVM U12w 2025 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Dec 28, 2025 | Heidtkamp | 1–0 | Andreeva | DVM U12w 2025 | Indian Defense | |
| Dec 28, 2025 | Bayer | 0–1 | Heidtkamp | DVM U12w 2025 | English Opening: King's English Variation | |
| Dec 27, 2025 | Heidtkamp | 1–0 | Sriram | DVM U12w 2025 | Sicilian Defense: O'Kelly Variation, Normal System | |
| Dec 27, 2025 | Bacakova | 0–1 | Heidtkamp | DVM U12w 2025 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Dec 15, 2025 | Heidtkamp | 0–1 | Huang | DVM U12w 2025 | English Opening: Anglo-Dutch Defense | |
| Jun 14, 2025 | Heidtkamp | 1–0 | Szymil | DEM U12w 2025 | Dutch Defense | |
| Jun 13, 2025 | Klymenko | 1–0 | Heidtkamp | DEM U12w 2025 | Catalan Opening: Closed | |
| Jun 12, 2025 | Heidtkamp | 1–0 | Naz Oeksuez | DEM U12w 2025 | French Defense: King's Indian Attack | |
| Jun 11, 2025 | Heidtkamp | 0–1 | Artemenko | DEM U12w 2025 | Rapport-Jobava System | |
| Jun 11, 2025 | Hendler | 0–1 | Heidtkamp | DEM U12w 2025 | King's Gambit Accepted: Abbazia Defense | |
| Jun 10, 2025 | Heidtkamp | ½–½ | Gubler | DEM U12w 2025 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jun 9, 2025 | Alnajjar | ½–½ | Heidtkamp | DEM U12w 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 8, 2025 | Heidtkamp | ½–½ | Chen | DEM U12w 2025 | English Opening: King's English Variation | |
| Jun 8, 2025 | Ulianova | 0–1 | Heidtkamp | DEM U12w 2025 | Queen's Gambit Declined | |
| Mar 9, 2025 | Heidtkamp | 0–1 | Byrina | Round 6: Heidtkamp, Anna - Byrina, Olha | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Mar 8, 2025 | Rafikova | 1–0 | Heidtkamp | Round 4: Rafikova, Ailin - Heidtkamp, Anna | Italian Game: Paris Defense | |
| Mar 8, 2025 | Rafikova | 1–0 | Heidtkamp | Round 5: Rafikova, Nailya - Heidtkamp, Anna | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Mar 6, 2025 | Sobczak | 0–1 | Heidtkamp | Round 2: Sobczak, Zuzanna - Heidtkamp, Anna | Four Knights Game: Gunsberg Variation | |
| Mar 7, 2025 | Heidtkamp | 1–0 | Tiuca | Round 3: Heidtkamp, Anna - Tiuca, Emma | Rapport-Jobava System, with e6 | |
| Mar 5, 2025 | Heidtkamp | 0–1 | Lukas | Round 1: Heidtkamp, Anna - Lukas, Olivia | Italian Game: Giuoco Pianissimo, Canal Variation | |
| Dec 30, 2024 | Podousov | 0–1 | Heidtkamp | DVM U12 2024 | ? | |
| Dec 29, 2024 | Heidtkamp | 0–1 | Serwane | DVM U12 2024 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Dec 29, 2024 | Libert | 1–0 | Heidtkamp | DVM U12 2024 | Italian Game: Classical Variation, Center Attack | |
| Dec 28, 2024 | Heidtkamp | 1–0 | Tryk | DVM U12 2024 | King's Indian Attack: Sicilian Variation | |
| Dec 28, 2024 | Bergmann | 1–0 | Heidtkamp | DVM U12 2024 | Ruy Lopez: Morphy Defense | |
| Dec 27, 2024 | Heidtkamp | 1–0 | Tiuca | DVM U12 2024 | King's Indian Attack: Sicilian Variation | |
| Dec 27, 2024 | Xu | 0–1 | Heidtkamp | DVM U12 2024 | Four Knights Game: Spanish Variation, Classical Variation | |
| Oct 6, 2024 | Heidtkamp | ½–½ | Margaryan | Deutsche Ländermeisterschaft 2024 | Sicilian Defense: Kan Variation, Modern Variation | |
| Oct 5, 2024 | Heidtkamp | 0–1 | Busch | Deutsche Ländermeisterschaft 2024 | Italian Game: Giuoco Pianissimo, Canal Variation | |
| Oct 4, 2024 | Heidtkamp | 0–1 | Ratushna | Deutsche Ländermeisterschaft 2024 | Rapport-Jobava System | |
| Oct 3, 2024 | Heidtkamp | 1–0 | Krannich | Deutsche Ländermeisterschaft 2024 | Indian Defense | |
| Aug 25, 2024 | Turcanu | 1–0 | Heidtkamp | EYCC 2024 - G12 | Ruy Lopez: Schliemann Defense | |
| May 25, 2024 | Weyerer | ½–½ | Heidtkamp | DEM U12w 2024 | Queen's Pawn Game: Symmetrical Variation | |
| May 24, 2024 | Heidtkamp | 0–1 | Hladeniuk | DEM U12w 2024 | Rapport-Jobava System | |
| May 23, 2024 | Tischlinger | ½–½ | Heidtkamp | DEM U12w 2024 | Scotch Game: Potter Variation | |
| May 22, 2024 | Heidtkamp | 1–0 | Kuebart | DEM U12w 2024 | French Defense: King's Indian Attack | |
| May 22, 2024 | Schmidt | 1–0 | Heidtkamp | DEM U12w 2024 | Dutch Defense | |
| May 21, 2024 | Heidtkamp | ½–½ | Winkler | DEM U12w 2024 | Queen's Pawn Game: London System | |
| May 20, 2024 | Heidtkamp | 1–0 | Bayer | DEM U12w 2024 | Rapport-Jobava System | |
| May 19, 2024 | Alnajjar | 0–1 | Heidtkamp | DEM U12w 2024 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| May 19, 2024 | Schirmbeck | 1–0 | Heidtkamp | DEM U12w 2024 | Queen's Gambit Declined: Chigorin Defense, Exchange Variation | |
| Jun 11, 2022 | Myronova | 0–1 | Heidtkamp | DEM U10w 2022 | Four Knights Game: Italian Variation | |
| Jun 10, 2022 | Heidtkamp | 1–0 | Beimler | DEM U10w 2022 | Caro-Kann Defense: Advance Variation | |
| Jun 10, 2022 | Glotz | 1–0 | Heidtkamp | DEM U10w 2022 | Italian Game: Deutz Gambit | |
| Jun 9, 2022 | Heidtkamp | ½–½ | Schirmbeck | DEM U10w 2022 | Petrov's Defense: Three Knights Game | |
| Jun 8, 2022 | Heidtkamp | 1–0 | Tischlinger | DEM U10w 2022 | Scandinavian Defense: Modern Variation | |
| Jun 8, 2022 | Yang | 1–0 | Heidtkamp | DEM U10w 2022 | King's Gambit Accepted: MacLeod Defense | |
| Jun 7, 2022 | Heidtkamp | 1–0 | Lola | DEM U10w 2022 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jun 6, 2022 | Heidtkamp | 1–0 | Margaryan | DEM U10w 2022 | French Defense: Knight Variation | |
| Jun 6, 2022 | Englert | 1–0 | Heidtkamp | DEM U10w 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 5, 2022 | Heidtkamp | * | Stiehler | DEM U10w 2022 | Scandinavian Defense: Main Line | |
| Jun 5, 2022 | Hladeniuk | * | Heidtkamp | DEM U10w 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 29, 2021 | Heidtkamp | 0–1 | Baihaghi | DEM U10w 2021 | Italian Game: Two Knights Defense, Ulvestad Variation | |
| Aug 28, 2021 | Dominick | 1–0 | Heidtkamp | DEM U10w 2021 | Italian Game: Giuoco Pianissimo, Canal Variation | |
| Aug 28, 2021 | Bacakova | 0–1 | Heidtkamp | DEM U10w 2021 | Queen's Gambit Declined: Barmen Variation | |
| Aug 27, 2021 | Heidtkamp | 1–0 | Kühne | DEM U10w 2021 | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Aug 26, 2021 | Heidtkamp | 1–0 | Mader | DEM U10w 2021 | Caro-Kann Defense: Exchange Variation | |
| Aug 26, 2021 | Frydel | 1–0 | Heidtkamp | DEM U10w 2021 | Four Knights Game: Scotch Variation Accepted | |
| Aug 25, 2021 | Fruth | 1–0 | Heidtkamp | DEM U10w 2021 | Scotch Game: Classical Variation | |
| Aug 24, 2021 | Heidtkamp | 0–1 | Hefele | DEM U10w 2021 | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Aug 24, 2021 | Czäczine | 1–0 | Heidtkamp | DEM U10w 2021 | Scotch Game: Classical Variation | |
| Aug 23, 2021 | Heidtkamp | 1–0 | Tu | DEM U10w 2021 | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Aug 23, 2021 | Wilke | 0–1 | Heidtkamp | DEM U10w 2021 | Four Knights Game: Spanish Variation | |
