| Dec 3, 2025 | Weise | 1–0 | Messerschmidt | 36. Staufer Open 2026 B | Rapport-Jobava System | |
| Nov 22, 2025 | Messerschmidt | 0–1 | Sedlak | Round 9: Messerschmidt, Nicolas - Sedlak, Frantisek | Scandinavian Defense | |
| Nov 22, 2025 | Oehring | 1–0 | Messerschmidt | Round 8: Oehring, Johannes-Fritz - Messerschmidt, Nicolas | Scotch Game: Scotch Gambit, London Defense | |
| Nov 22, 2025 | Messerschmidt | 1–0 | Muhammed Shahabdheen Raziya | Round 7: Messerschmidt, Nicolas - Muhammed Shahabdheen Raziya, Ahan Sha | Ruy Lopez: Steinitz Defense | |
| Nov 22, 2025 | Puettmann | 1–0 | Messerschmidt | Round 6: Puettmann, Luca - Messerschmidt, Nicolas | Van't Kruijs Opening | |
| Nov 22, 2025 | Messerschmidt | 1–0 | Hansmeier | Round 5: Messerschmidt, Nicolas - Hansmeier, Nils Rouven, Dr. | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 22, 2025 | Messerschmidt | ½–½ | Ugolini | Round 4: Messerschmidt, Nicolas - Ugolini, Federico | Italian Game: Two Knights Defense | |
| Nov 22, 2025 | Sharma | 0–1 | Messerschmidt | Round 3: Sharma, Rythyma - Messerschmidt, Nicolas | Bishop's Opening: Berlin Defense | |
| Nov 22, 2025 | Messerschmidt | 0–1 | Albus | Round 2: Messerschmidt, Nicolas - Albus, Alexander | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 22, 2025 | Ucar | 1–0 | Messerschmidt | Round 1: Ucar, Eren - Messerschmidt, Nicolas | English Opening: King's English Variation | |
| Nov 30, 2024 | Messerschmidt | 0–1 | Schoetschel | Round 2: Messerschmidt, Nicolas - Schoetschel, Lasse | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 30, 2024 | Messerschmidt | 0–1 | Mai | Round 4: Messerschmidt, Nicolas - Mai, Manh | Sicilian Defense: Bowdler Attack | |
| Nov 30, 2024 | Messerschmidt | 1–0 | Efe | Round 6: Messerschmidt, Nicolas - Efe, Murat | French Defense: Advance Variation | |
| Nov 30, 2024 | Messerschmidt | ½–½ | Heiermann | Round 7: Messerschmidt, Nicolas - Heiermann, Ludger | Italian Game: Giuoco Piano | |
| Nov 30, 2024 | Mousseau | 1–0 | Messerschmidt | Round 1: Mousseau, Leo - Messerschmidt, Nicolas | Vienna Game: Vienna Gambit | |
| Nov 30, 2024 | Lauten | 0–1 | Messerschmidt | Round 3: Lauten, Moritz - Messerschmidt, Nicolas | Queen's Pawn Game: Accelerated London System | |
| Nov 30, 2024 | Gross | 1–0 | Messerschmidt | Round 5: Gross, Johannes - Messerschmidt, Nicolas | Scotch Game | |
| Nov 12, 2023 | Messerschmidt | 1–0 | Steinmacher | Deutsche Schnellschach-Amateurmeisterschaft 2023 | Caro-Kann Defense: Advance Variation, Bayonet Attack | |
| Nov 12, 2023 | Lu | 1–0 | Messerschmidt | Deutsche Schnellschach-Amateurmeisterschaft 2023 | Ruy Lopez: Morphy Defense, Anderssen Variation | |
