| Nov 23, 2025 | Dobrikov | 0–1 | Hartge | Round 9: Dobrikov, Marco - Hartge, Gedeon | English Opening: Agincourt Defense, Keres Defense | |
| Nov 23, 2025 | Hartge | 1–0 | Garbuz | Round 8: Hartge, Gedeon - Garbuz, Vitaliy | Tarrasch Defense | |
| Nov 23, 2025 | Fasshauer | 0–1 | Hartge | Round 7: Fasshauer, Jacob - Hartge, Gedeon | Caro-Kann Defense: Exchange Variation | |
| Nov 23, 2025 | Hartge | ½–½ | Huseynov | Round 6: Hartge, Gedeon - Huseynov, Ahad | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Nov 23, 2025 | Geldner | 0–1 | Hartge | Round 5: Geldner, Gerrit - Hartge, Gedeon | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 23, 2025 | Hartge | 1–0 | Ucar | Round 4: Hartge, Gedeon - Ucar, Eren | Kangaroo Defense | |
| Nov 23, 2025 | Beyhl | 0–1 | Hartge | Round 3: Beyhl, Tobias - Hartge, Gedeon | Sicilian Defense: French Variation | |
| Nov 23, 2025 | Hartge | 0–1 | Kurley | Round 2: Hartge, Gedeon - Kurley, Roman | Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation | |
| Nov 23, 2025 | Klotzbuecher | 0–1 | Hartge | Round 1: Klotzbuecher, Robin - Hartge, Gedeon | Alekhine Defense: Exchange Variation | |
| Nov 22, 2025 | Henning | ½–½ | Hartge | Round 9: Henning, Marvin - Hartge, Gedeon | Caro-Kann Defense: Maróczy Variation | |
| Nov 22, 2025 | Hartge | ½–½ | Kracht | Round 8: Hartge, Gedeon - Kracht, Raphael | Benko Gambit Accepted: Dlugy Variation | |
| Nov 22, 2025 | Boissel | 0–1 | Hartge | Round 7: Boissel, Kasimir - Hartge, Gedeon | Benko Gambit | |
| Nov 22, 2025 | Hartge | ½–½ | Brunner | Round 6: Hartge, Gedeon - Brunner, Tobias | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 22, 2025 | Garbuz | ½–½ | Hartge | Round 5: Garbuz, Vitaliy - Hartge, Gedeon | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| Nov 22, 2025 | Hartge | ½–½ | Enekwizu | Round 4: Hartge, Gedeon - Enekwizu, Divine | King's Indian Defense: Sämisch Variation | |
| Nov 22, 2025 | Schroeter | 0–1 | Hartge | Round 3: Schroeter, Lucas - Hartge, Gedeon | Caro-Kann Defense: Exchange Variation | |
| Nov 22, 2025 | Hartge | 1–0 | Cwiek | Round 2: Hartge, Gedeon - Cwiek, Ryszard | Lion Defense: Lion's Jaw | |
| Nov 22, 2025 | Oehler | 0–1 | Hartge | Round 1: Oehler, Jonas - Hartge, Gedeon | Sicilian Defense | |
| Oct 5, 2025 | Hartge | 0–1 | Nothnagel | IM-Turnier 2025 2025 | King's Indian Defense: Kramer Variation | |
| Oct 4, 2025 | Stork | 1–0 | Hartge | IM-Turnier 2025 2025 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Oct 4, 2025 | Hartge | ½–½ | Carlstedt | IM-Turnier 2025 2025 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Oct 3, 2025 | Eugene | 1–0 | Hartge | IM-Turnier 2025 2025 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 3, 2025 | Hartge | 0–1 | Garner | IM-Turnier 2025 2025 | Queen's Indian Defense: Kasparov-Petrosian Variation, Rashkovsky Attack | |
| Oct 1, 2025 | Tschernatsch | 1–0 | Hartge | IM-Turnier 2025 2025 | Sicilian Defense: O'Kelly Variation, Venice System | |
| Oct 1, 2025 | Hartge | ½–½ | Rodriguez | IM-Turnier 2025 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 29, 2025 | Ngo | 0–1 | Hartge | IM-Turnier 2025 2025 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Sep 29, 2025 | Kopylov | ½–½ | Hartge | IM-Turnier 2025 2025 | Queen's Gambit Declined: Orthodox Defense, Classical Variation | |
| Jun 15, 2025 | Klein | 0–1 | Hartge | Round 9: Klein, Deniz - Hartge, Gedeon | Sicilian Defense: Kan Variation, Modern Variation | |
| Jun 15, 2025 | Hartge | ½–½ | Ochs | Round 8: Hartge, Gedeon - Ochs, Daniel Elias | Dutch Defense: Classical Variation | |
| Jun 15, 2025 | Meuer | ½–½ | Hartge | Round 7: Meuer, David - Hartge, Gedeon | Sicilian Defense: Alapin Variation | |
| Jun 15, 2025 | Hartge | 0–1 | Gruenter | Round 6: Hartge, Gedeon - Gruenter, Martin | English Opening: Symmetrical Variation, Three Knights Variation | |
| Jun 14, 2025 | Hagner | ½–½ | Hartge | Round 5: Hagner, Bennet - Hartge, Gedeon | Caro-Kann Defense | |
| Jun 14, 2025 | Hartge | ½–½ | Yakovenko | Round 4: Hartge, Gedeon - Yakovenko, Oleg | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jun 14, 2025 | Ollenberger | 1–0 | Hartge | Round 3: Ollenberger, Roland - Hartge, Gedeon | Caro-Kann Defense: Two Knights Attack | |
| Jun 14, 2025 | Hartge | 1–0 | Klein | Round 2: Hartge, Gedeon - Klein, Levent | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jun 14, 2025 | Fuhlrott | ½–½ | Hartge | Round 1: Fuhlrott, Tim - Hartge, Gedeon | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 21, 2025 | Hartge | ½–½ | Roser | Grenke Chess Open A | Nimzo-Indian Defense: Normal Variation | |
| Apr 21, 2025 | Nothnagel | 1–0 | Hartge | Round 8: Nothnagel, Marian Can - Hartge, Gedeon | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Apr 20, 2025 | Hartge | ½–½ | Indjic | Round 6: Hartge, Gedeon - Indjic, Aleksandar | Nimzo-Indian Defense: Normal Variation | |
| Apr 20, 2025 | Hartge | ½–½ | Trost | Round 7: Hartge, Gedeon - Trost, Edvin | Queen's Gambit Accepted: Alekhine Defense, Haberditz Variation | |
| Apr 19, 2025 | Hartge | 1–0 | Kopylov | Round 4: Hartge, Gedeon - Kopylov, Daniel | Nimzo-Indian Defense: Normal Variation | |
| Apr 19, 2025 | Grutter | 0–1 | Hartge | Round 5: Grutter, Tim - Hartge, Gedeon | Caro-Kann Defense: Two Knights Attack | |
| Sep 28, 2024 | Hartge | 0–1 | Albert | Round 29: Hartge, Gedeon - Albert, Markus | Nimzowitsch Defense: Mikenas Variation | |
| Sep 28, 2024 | Sinz | ½–½ | Hartge | Round 12: Sinz, Bernhard - Hartge, Gedeon | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Sep 28, 2024 | Hartge | ½–½ | Schulz | Round 8: Hartge, Gedeon - Schulz, Karsten | Pirc Defense | |
| Sep 28, 2024 | Vogel | 1–0 | Hartge | Round 5: Vogel, Roven - Hartge, Gedeon | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Sep 28, 2024 | Donchenko | 1–0 | Hartge | Round 10: Donchenko, Alexander - Hartge, Gedeon | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jul 26, 2024 | Schulze | 0–1 | Hartge | Round 4: Schulze, Lara - Hartge, Gedeon | Caro-Kann Defense: Two Knights Attack | |
| Jul 26, 2024 | Hartge | 1–0 | Matthaei | Round 3: Hartge, Gedeon - Matthaei, Jakob | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jul 25, 2024 | Hartge | ½–½ | Tiarks | Round 7: Hartge, Gedeon - Tiarks, Jann-Christian | Sicilian Defense: Najdorf Variation | |
| Jul 25, 2024 | Jugelt | ½–½ | Hartge | Round 6: Jugelt, Tobias - Hartge, Gedeon | Indian Defense | |
| Jul 25, 2024 | Hartge | ½–½ | Langheinrich | Round 5: Hartge, Gedeon - Langheinrich, Ferenc | Nimzo-Indian Defense: Rubinstein System | |
| Jul 13, 2024 | Weissmann | ½–½ | Hartge | Round 5: Weissmann, Lukas - Hartge, Gedeon | Caro-Kann Defense: Exchange Variation | |
| Jul 13, 2024 | Hartge | ½–½ | Neuman | Round 4: Hartge, Gedeon - Neuman, Petr | Lion Defense: Lion's Jaw | |
| Mar 31, 2024 | Hartge | 0–1 | Guliyev | new tournament description | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| Mar 30, 2024 | Bulmaga | ½–½ | Hartge | new tournament description | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 30, 2024 | Hartge | 1–0 | Kadel | Round 2: Hartge, Gedeon - Kadel, Julius | Neo-Grünfeld Defense: Goglidze Attack | |
| Nov 30, 2024 | Hartge | 1–0 | Kesselmeier | Round 5: Hartge, Gedeon - Kesselmeier, Kevin | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 30, 2024 | Hartge | 1–0 | Kracht | Round 6: Hartge, Gedeon - Kracht, Raphael | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | |
| Nov 30, 2024 | Efe | 0–1 | Hartge | Round 1: Efe, Murat - Hartge, Gedeon | Sicilian Defense | |
| Nov 30, 2024 | Lippert | 0–1 | Hartge | Round 3: Lippert, Daniel - Hartge, Gedeon | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 30, 2024 | Poetsch | 1–0 | Hartge | Round 4: Poetsch, Hagen - Hartge, Gedeon | Sicilian Defense: Kan Variation, Modern Variation | |
| Nov 30, 2024 | Natsidis | 0–1 | Hartge | Round 7: Natsidis, Christoph - Hartge, Gedeon | Queen's Gambit Declined: Three Knights Variation | |
| Oct 31, 2021 | Hartge | ½–½ | Post | Saxony-Anhalt Championship | Masters | Benoni Defense: Fianchetto Variation | |
| Oct 30, 2021 | Hartge | 0–1 | Malek | Saxony-Anhalt Championship | Masters | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Oct 30, 2021 | Pallas | 0–1 | Hartge | Saxony-Anhalt Championship | Masters | Caro-Kann Defense: Tartakower Variation | |
| Oct 29, 2021 | Hartge | 1–0 | Boehm | Saxony-Anhalt Championship | Masters | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Oct 29, 2021 | Haubold | 0–1 | Hartge | Saxony-Anhalt Championship | Masters | Sicilian Defense: Kan Variation, Wing Attack | |
| Oct 28, 2021 | Hartge | ½–½ | Michael Görgens | Saxony-Anhalt Championship | Masters | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 28, 2021 | Paul | 1–0 | Hartge | Saxony-Anhalt Championship | Masters | Benko Gambit Accepted: King Walk Variation | |
| Aug 10, 2021 | Hartge | 0–1 | Nytra | Open Letni Praha 2021 | Semi-Slav Defense: Stoltz Variation | |
| Aug 9, 2021 | Ouaki | ½–½ | Hartge | Open Letni Praha 2021 | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| Aug 8, 2021 | Hartge | ½–½ | Jurcik | Open Letni Praha 2021 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Aug 8, 2021 | Both | ½–½ | Hartge | Open Letni Praha 2021 | Sicilian Defense: French Variation, Westerinen Attack | |