| — | Malek | * | Gramb | Grenke Open | Sicilian Defense: French Variation | |
| Jun 7, 2026 | Barthel | ½–½ | Gramb | Round 7: Barthel, Ansgar - Gramb, Marius | Nimzo-Larsen Attack: Modern Variation | |
| Jun 6, 2026 | Gramb | 1–0 | Vranckx | Round 6: Gramb, Marius - Vranckx, Oscar | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jun 6, 2026 | Berres | ½–½ | Gramb | Round 5: Berres, Eric - Gramb, Marius | Four Knights Game: Spanish Variation, Rubinstein Variation Accepted | |
| Jun 4, 2026 | Gramb | ½–½ | Stehning | Round 2: Gramb, Marius - Stehning, Toni | Tarrasch Defense: Classical Variation, Réti Variation | |
| Jun 4, 2026 | Goeller | 0–1 | Gramb | Round 1: Goeller, Marek - Gramb, Marius | Sicilian Defense: Wing Gambit Deferred | |
| Apr 6, 2026 | Collins | ½–½ | Gramb | Grenke Chess Festival 2026 Open | King's Indian Attack | |
| Apr 3, 2026 | Gramb | 0–1 | Siva Mahadevan | Grenke Chess Festival 2026 Open | English Opening: Neo-Catalan | |
| Mar 28, 2026 | Tonndorf | ½–½ | Gramb | Round 4: Tonndorf, Matthias - Gramb, Marius | King's Indian Attack | |
| Dec 30, 2025 | Nopper | ½–½ | Gramb | Round 7: Nopper, Louis - Gramb, Marius | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Dec 30, 2025 | Gramb | 1–0 | Lordier | Round 6: Gramb, Marius - Lordier, Sophia | Sicilian Defense: Moscow Variation | |
| Dec 29, 2025 | Arnav Maheshwari | 1–0 | Gramb | Round 5: Arnav Maheshwari - Gramb, Marius | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 29, 2025 | Gramb | ½–½ | Reuter | Round 4: Gramb, Marius - Reuter, Julian-Frank | Catalan Opening | |
| Dec 28, 2025 | Drennhaus | 0–1 | Gramb | Round 3: Drennhaus, Ralf - Gramb, Marius | English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 | |
| Dec 28, 2025 | Gramb | 1–0 | Hessler Carbonell | Round 2: Gramb, Marius - Hessler Carbonell, Louis | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Dec 27, 2025 | Stirl | 0–1 | Gramb | Round 1: Stirl, Tobias - Gramb, Marius | Caro-Kann Defense: Exchange Variation | |
| Dec 12, 2025 | Gramb | 0–1 | Klaska | Round 1: Gramb, Marius - Klaska, Philipp Leon | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 3, 2025 | Gramb | 0–1 | Zysk | Round 3: Gramb, Marius - Zysk, Robert | French Defense: Advance Variation, Euwe Variation | |
| Oct 4, 2025 | Gramb | 1–0 | Dreelinck | Round 7: Gramb, Marius - Dreelinck, Jacob | English Opening: Neo-Catalan | |
| Jun 8, 2025 | Gramb | ½–½ | Gloeckler | Round 4: Gramb, Marius - Gloeckler, Christian | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jun 7, 2025 | Degraeve | 1–0 | Gramb | Round 2: Degraeve, Remy - Gramb, Marius | Ruy Lopez: Morphy Defense | |
| Apr 18, 2025 | Rosner | 1–0 | Gramb | Round 3: Rosner, Jonas - Gramb, Marius | ? | |
| Apr 17, 2025 | Maghsoodloo | 1–0 | Gramb | Round 1: Maghsoodloo, Parham - Gramb, Marius | ? | |
| Jan 17, 2025 | Gramb | 0–1 | Trapp | Round 2: Gramb, Marius - Trapp, Maximilian | Scandinavian Defense: Marshall Variation | |
| Nov 30, 2024 | Gramb | ½–½ | Del Rio De Angelis | XXI Open Internacional Gran Hotel Bali Grupo A 2024 | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Aug 25, 2024 | Gramb | ½–½ | Grossmann | Round 9: Gramb, Marius - Grossmann, Piet | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Aug 24, 2024 | Dobierzin | 0–1 | Gramb | Round 8: Dobierzin, Olaf - Gramb, Marius | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Aug 23, 2024 | Bosselmann | 1–0 | Gramb | Round 7: Bosselmann, Tom Linus - Gramb, Marius | French Defense: Advance Variation, Euwe Variation | |
| Aug 22, 2024 | Gramb | 1–0 | Weidenhoefer | Round 6: Gramb, Marius - Weidenhoefer, Max | Caro-Kann Defense: Advance Variation | |
| Aug 22, 2024 | Gramb | 0–1 | Groebel | Round 5: Gramb, Marius - Groebel, Aaron | Ruy Lopez: Cozio Defense | |
| Aug 21, 2024 | Dobrikov | 1–0 | Gramb | Round 4: Dobrikov, Marco - Gramb, Marius | Queen's Gambit Declined: Ragozin Defense | |
| Aug 20, 2024 | Lutz | 0–1 | Gramb | Round 3: Lutz, Ruben - Gramb, Marius | Queen's Gambit Declined: Ragozin Defense | |
| Aug 20, 2024 | Gramb | ½–½ | Maier | Round 2: Gramb, Marius - Maier, Alexander | Scandinavian Defense: Richter Variation | |
| Aug 19, 2024 | Gramb | 0–1 | Schmider | Round 1: Gramb, Marius - Schmider, Niklas | Sicilian Defense: Alapin Variation | |
| Mar 31, 2024 | Gramb | ½–½ | Casadio | Grenke Open | Sicilian Defense: Alapin Variation | |
| Mar 30, 2024 | Gramb | 1–0 | Viennot | Grenke Open | Queen's Pawn Game | |
| Mar 30, 2024 | Gallasch | ½–½ | Gramb | Grenke Open | Bogo-Indian Defense: Retreat Variation | |
| Mar 20, 2024 | Gramb | 0–1 | Bulmaga | Reykjavik Open 2024 | Four Knights Game: Scotch Variation Accepted | |
| Mar 15, 2024 | Gramb | 0–1 | Deac | Reykjavik Open 2024 | Sicilian Defense: Delayed Alapin Variation | |
| Nov 24, 2024 | Mester | ½–½ | Gramb | Round 5: Mester, Philipp - Gramb, Marius | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Nov 23, 2024 | Helms | ½–½ | Gramb | Round 3: Helms, Finn - Gramb, Marius | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Aug 28, 2023 | Gramb | ½–½ | Peng | WRTC | Grünfeld Defense: Exchange Variation | |
| Aug 28, 2023 | Gramb | 0–1 | Solomon | WRTC | Bogo-Indian Defense: Retreat Variation | |
| Aug 28, 2023 | Gloeckler | 1–0 | Gramb | WRTC | Sicilian Defense: Najdorf Variation | |
| Aug 28, 2023 | Strahl | 0–1 | Gramb | WRTC | Sicilian Defense: Moscow Variation | |
| Aug 20, 2023 | Ehmann | ½–½ | Gramb | German Championship | Ruy Lopez: Berlin Defense, l'Hermet Variation, Berlin Wall Defense | |
| Aug 19, 2023 | Gramb | 1–0 | Buescher | German Championship | French Defense: Tarrasch Variation | |
| Aug 18, 2023 | Gramb | ½–½ | Krassowizkij | German Championship | Caro-Kann Defense: Advance Variation | |
| Aug 18, 2023 | Wichmann | 1–0 | Gramb | German Championship | Queen's Gambit Declined: Ragozin Defense | |
| Aug 17, 2023 | Miller | 1–0 | Gramb | German Championship | Indian Defense | |
| Aug 16, 2023 | Gramb | * | Kocharin | German Women's CHampionship | ? | |
| Aug 16, 2023 | Gramb | 1–0 | Kocharin | German Championship | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Aug 16, 2023 | Bosselmann | ½–½ | Gramb | German Championship | Caro-Kann Defense: Two Knights Attack | |
| Aug 15, 2023 | Gramb | 0–1 | Lagunow | German Championship | Sicilian Defense: Alapin Variation | |
| Jun 6, 2023 | Gramb | 1–0 | Salvermoser | 1st Munich Pfingst Open | Caro-Kann Defense: Advance Variation | |
| Jun 5, 2023 | Gramb | * | Jinan Jomon | 1st Munich Pfingst Open | Ruy Lopez: Open, Howell Attack | |
| Jun 5, 2023 | Stoettner | ½–½ | Gramb | 1st Munich Pfingst Open | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jun 4, 2023 | Gramb | ½–½ | Hacker | 1st Munich Pfingst Open | Sicilian Defense: Delayed Alapin Variation | |
| Jun 3, 2023 | Gramb | 0–1 | Kjartansson | 1st Munich Pfingst Open | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Jun 2, 2023 | Harshavardhan G B | ½–½ | Gramb | 1st Munich Pfingst Open | Queen's Gambit Declined: Ragozin Defense | |
| Jun 1, 2023 | Gramb | ½–½ | Gedajlovic | 1st Munich Pfingst Open | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Mar 4, 2023 | Gramb | * | Gines Esteo | European Championship | ? | |
| Apr 5, 2022 | Zirkelbach | ½–½ | Gramb | European Championship | Catalan Opening: Closed | |
| Apr 4, 2022 | Gramb | ½–½ | Stevanic | European Individual Chess Championship | Ruy Lopez: Closed | |
| Aug 8, 2021 | Jurcik | 1–0 | Gramb | Open Letni Praha 2021 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Aug 7, 2021 | Gramb | ½–½ | Finek | Open Letni Praha 2021 | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| — | Gramb | 0–1 | Demuth | European Individual Chess Championship | ? | |
| — | Gramb | ½–½ | Unuk | European Individual Chess Championship | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Gramb | 1–0 | Taichman | European Individual Chess Championship | Owen Defense | |
| — | Gramb | 0–1 | Giannoulakis | European Individual Chess Championship | Ruy Lopez: Closed | |
| — | Dordzhieva | ½–½ | Gramb | European Individual Chess Championship | Bogo-Indian Defense: Retreat Variation | |
| — | Rozen | 1–0 | Gramb | European Individual Chess Championship | Caro-Kann Defense: Endgame Variation | |
| — | Dalaud | 1–0 | Gramb | European Individual Chess Championship | Caro-Kann Defense: Advance Variation | |