| Oct 19, 2025 | Mueller | ½–½ | Ezra Paul Chambers | Round 5: Mueller, Ralf - Ezra Paul Chambers | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Oct 19, 2025 | Bonagura | 0–1 | Mueller | Round 4: Bonagura, Stefano - Mueller, Ralf | Queen's Pawn Game: Colle System, Traditional Colle | |
| Oct 18, 2025 | Mueller | 1–0 | Hake | Round 3: Mueller, Ralf - Hake, Nils | Pseudo Queen's Indian Defense | |
| Oct 18, 2025 | Valente | 0–1 | Mueller | Round 2: Valente, Luca - Mueller, Ralf | Four Knights Game: Scotch Variation, Belgrade Gambit | |
| Oct 17, 2025 | Mueller | ½–½ | Kranewitter | Round 1: Mueller, Ralf - Kranewitter, Norbert | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Sep 21, 2025 | Mueller | ½–½ | Brustkern | Round 1: Mueller, Ralf - Brustkern, Juergen | Queen's Gambit Declined: Chigorin Defense, Exchange Variation | |
| Sep 19, 2025 | Mueller | ½–½ | Berghof | Round 7: Mueller, Ralf - Berghof, Axel | Queen's Pawn Game: Zukertort Variation | |
| Sep 19, 2025 | Podat | ½–½ | Mueller | Round 6: Podat, Vladimir - Mueller, Ralf | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 19, 2025 | Mueller | ½–½ | Krivonosov | Round 5: Mueller, Ralf - Krivonosov, Oleg | Catalan Opening: Closed Variation, Traditional Variation | |
| Sep 19, 2025 | Cordts | ½–½ | Mueller | Round 4: Cordts, Ingo - Mueller, Ralf | Four Knights Game: Scotch Variation Accepted | |
| Sep 19, 2025 | Grawe | 0–1 | Mueller | Round 2: Grawe, Christian - Mueller, Ralf | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Nov 22, 2024 | Schaefer | 1–0 | Mueller | Round 2: Schaefer, Sascha - Mueller, Ralf | Four Knights Game: Scotch Variation | |
| Apr 14, 2024 | Hofmann | 0–1 | Mueller | Oberliga W?rttemberg Schlussrunde 2024 | Indian Defense: Anti-Nimzo-Indian | |
| Mar 24, 2024 | Hoenick | 0–1 | Mueller | SG Schwäbisch Gmünd - SC Böblingen | Queen's Gambit Declined: Ragozin Defense | |
| Mar 3, 2024 | Mueller | ½–½ | Heidenfeld | SC Böblingen - SV Jedesheim | Semi-Slav Defense: Main Line | |
| Feb 18, 2024 | Velikic | 1–0 | Mueller | SK Schwäbisch Hall - SC Böblingen | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 21, 2024 | Mueller | ½–½ | Latzke | SC Böblingen - SK Bebenhausen | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Nov 24, 2024 | Mueller | ½–½ | Hilgert | Round 5: Mueller, Ralf - Hilgert, Guenter | Four Knights Game: Italian Variation | |
| Nov 23, 2024 | Nioduschewski | ½–½ | Mueller | Round 4: Nioduschewski, Sophie - Mueller, Ralf | Queen's Pawn Game: London System | |
| Oct 20, 2024 | Mueller | ½–½ | Marcenaro | Round 5: Mueller, Ralf - Marcenaro, Alessandro | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Oct 20, 2024 | Budyi | ½–½ | Mueller | Round 4: Budyi, Danylo - Mueller, Ralf | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 19, 2024 | Mueller | ½–½ | Budai | Round 3: Mueller, Ralf - Budai, Federico | Queen's Indian Defense: Capablanca Variation | |
| Oct 19, 2024 | Bodrov | ½–½ | Mueller | Round 2: Bodrov, Timofey - Mueller, Ralf | Four Knights Game: Spanish Variation, Rubinstein Variation Accepted | |
| Oct 18, 2024 | Mueller | 1–0 | Hake | Round 1: Mueller, Ralf - Hake, Nils | Slav Defense: Exchange Variation | |
| Dec 10, 2023 | Mueller | 0–1 | Bronznik | SF Deizisau 2 - SC Böblingen | Benoni Defense | |
| Nov 5, 2023 | Mueller | 1–0 | Schmidt | SC Böblingen - SF Pfullingen | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Sep 17, 2023 | Tschlatscher | 0–1 | Mueller | Heilbronner SV 2 - SC Böblingen | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |