| Apr 4, 2026 | Mueller | 0–1 | Bold | Runde 9: Mueller, Markus - Bold, Andre | Réti Opening: Anglo-Slav Variation, with g3 | |
| Apr 3, 2026 | Yakovenko | 1–0 | Mueller | Runde 8: Yakovenko, Oleg - Mueller, Markus | King's Indian Defense: Orthodox Variation | |
| Apr 3, 2026 | Mueller | 0–1 | Heider | Runde 7: Mueller, Markus - Heider, Martin | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Apr 2, 2026 | Musiolik | 1–0 | Mueller | Runde 6: Musiolik, David - Mueller, Markus | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Apr 2, 2026 | Mueller | 1–0 | Syrov | Runde 5: Mueller, Markus - Syrov, Arkadi | Four Knights Game: Gunsberg Variation | |
| Mar 29, 2026 | Huschens | ½–½ | Mueller | Runde 4: Huschens, Matthias - Mueller, Markus | Caro-Kann Defense | |
| Mar 29, 2026 | Mueller | 1–0 | Roth | Runde 3: Mueller, Markus - Roth, Jonas | English Opening: King's English Variation | |
| Mar 27, 2026 | Ollenberger | 1–0 | Mueller | Runde 2: Ollenberger, Roland - Mueller, Markus | Pirc Defense | |
| Mar 27, 2026 | Junker | ½–½ | Mueller | Runde 1: Junker, Reiner - Mueller, Markus | Hungarian Opening | |
| May 18, 2025 | Klein | 1–0 | Mueller | Round 7: Klein, Deniz - Mueller, Markus | Czech Defense | |
| May 18, 2025 | Mueller | 0–1 | Vladov | Round 6: Mueller, Markus - Vladov, Arsenii | King's Indian Attack: French Variation | |
| May 18, 2025 | Foerster | ½–½ | Mueller | Round 5: Foerster, Erik - Mueller, Markus | Queen's Pawn Game | |
| May 18, 2025 | Gebhardt | ½–½ | Mueller | Round 4: Gebhardt, Max, Dr. - Mueller, Markus | Indian Defense: Wade-Tartakower Defense | |
| May 18, 2025 | Mueller | ½–½ | Schenderowitsch | Round 3: Mueller, Markus - Schenderowitsch, Michael | Sicilian Defense: O'Kelly Variation, Venice System | |
| May 18, 2025 | Leiser | 0–1 | Mueller | Round 2: Leiser, Joachim - Mueller, Markus | Caro-Kann Defense: Panov Attack | |
| May 18, 2025 | Mueller | 0–1 | Winterberg | Round 1: Mueller, Markus - Winterberg, Lukas | King's Indian Attack | |
| Apr 19, 2025 | Müller | 1–0 | Sievers | 92. Pfälzischer Schachkongress | ? | |
| Apr 18, 2025 | Müller | 1–0 | Kuhn | 92. Pfälzischer Schachkongress | Réti Opening: Réti Accepted | |
| Apr 18, 2025 | Lauer | * | Müller | 92. Pfälzischer Schachkongress | English Opening: Great Snake Variation | |
| Apr 17, 2025 | Müller | ½–½ | Lambert | 92. Pfälzischer Schachkongress | King's Indian Attack | |
| Apr 17, 2025 | Wacker | ½–½ | Müller | 92. Pfälzischer Schachkongress | Caro-Kann Defense: Tartakower Variation | |
| Apr 13, 2025 | Louis | 1–0 | Müller | 92. Pfälzischer Schachkongress | King's Indian Defense: Semi-Averbakh System | |
| Apr 13, 2025 | Huschens | 0–1 | Müller | 92. Pfälzischer Schachkongress | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Apr 12, 2025 | Müller | 1–0 | Kaufhold | 92. Pfälzischer Schachkongress | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Apr 11, 2025 | Agne | ½–½ | Müller | 92. Pfälzischer Schachkongress | Queen's Pawn Game: Accelerated London System | |
| Mar 30, 2024 | Louis | ½–½ | Mueller | Runde 9: Louis, Volker - Mueller, Markus | King's Indian Defense: Exchange Variation | |
| Mar 29, 2024 | Mueller | 0–1 | Scherer | Runde 8: Mueller, Markus - Scherer, Josua | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Mar 29, 2024 | Lambert | ½–½ | Mueller | Runde 7: Lambert, Andreas - Mueller, Markus | Indian Defense: Wade-Tartakower Defense | |
| Mar 28, 2024 | Mueller | ½–½ | Sievers | Runde 6: Mueller, Markus - Sievers, Andy | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Mar 28, 2024 | Gypser | ½–½ | Mueller | Runde 5: Gypser, Andreas, Dr. - Mueller, Markus | Sicilian Defense: Mongoose Variation | |
| Mar 24, 2024 | Mueller | ½–½ | Karpa | Runde 4: Mueller, Markus - Karpa, Adrian | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Mar 24, 2024 | Martin | ½–½ | Mueller | Runde 3: Martin, Mike - Mueller, Markus | Caro-Kann Defense: Tartakower Variation | |
| Mar 23, 2024 | Mueller | ½–½ | Huschens | Runde 2: Mueller, Markus - Huschens, Matthias | King's Indian Attack: Sicilian Variation | |
| Mar 22, 2024 | Mueller | 1–0 | Huseynov | Runde 1: Mueller, Markus - Huseynov, Ahad | Catalan Opening: Open Defense, Classical Line | |
| Oct 19, 2024 | Mueller | 0–1 | Goetsch | Round 2: Mueller, Markus - Goetsch, Thomas | Ponziani Opening: Steinitz Variation | |
| Oct 19, 2024 | Faccioli | 1–0 | Mueller | Round 3: Faccioli, Alessandro - Mueller, Markus | Queen's Gambit Accepted: Saduleto Variation | |
| Oct 18, 2024 | Sartori | 0–1 | Mueller | Round 1: Sartori, Giulia - Mueller, Markus | King's Indian Attack | |
| Oct 28, 2023 | Mueller | 0–1 | Hess | 26. Offene Internationale Bayerische Schachmeisterschaft Tegernsee | Réti Opening: Advance Variation | |