| 9 ago 2026 | Tschernatsch, Johannes 2309 | Beduschi, Ben 2017 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 37 | Ver |
| 8 ago 2026 | Hubai, Mykola 2163 | Tschernatsch, Johannes 2309 | 0-1 | A00 Apertura Húngara: Symmetrical Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 28 | Ver |
| 7 ago 2026 | Tschernatsch, Johannes 2309 | Szabolcsi, Janos 2182 | ½-½ | B12 Defensa Caro-Kann: Advance Variation, Botvinnik-Carls Defense | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 53 | Ver |
| 4 ago 2026 | Tschernatsch, Johannes 2309 | Petersen, Henrik 2292 | ½-½ | D16 Defensa Eslava: Soultanbeieff Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 34 | Ver |
| 3 ago 2026 | Boettcher, Patrick 2022 | Tschernatsch, Johannes 2309 | 0-1 | D45 Defensa Semieslava: Stoltz Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 35 | Ver |
| 30 jul 2026 | Eilenberg, Jonas 2388 | Tschernatsch, Johannes 2309 | ½-½ | D81 Defensa Grünfeld: Russian Variation, Accelerated Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 46 | Ver |
| 30 jul 2026 | Tschernatsch, Johannes 2309 | Schmidt, Florian Pascal 2093 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Yates Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 54 | Ver |
| 24 jul 2026 | Tschernatsch, Johannes 2313 | Eichner, Sebastian 2256 | 1-0 | C97 Apertura Española (Ruy López): Closed, Chigorin Defense | German Amateur Chess Championship 2026 (DSAM) | Group A | 43 | Ver |
| 23 jul 2026 | Tschernatsch, Johannes 2313 | Engel, Robert 2158 | ½-½ | B57 Defensa Siciliana: Classical Variation, Anti-Sozin Variation | German Amateur Chess Championship 2026 (DSAM) | Group A | 38 | Ver |
| 22 jul 2026 | Turel, Tugrul 2182 | Tschernatsch, Johannes 2313 | 1-0 | B50 Defensa Siciliana: Modern Variations | German Amateur Chess Championship 2026 (DSAM) | Group A | 49 | Ver |
| 6 abr 2026 | Tschernatsch, Johannes 2282 | Nguyen, Alex Dac-Vuong 2374 | 1-0 | B12 Defensa Caro-Kann: Advance Variation | Grenke Chess Festival 2026 Open | 59 | Ver |
| 5 abr 2026 | Buckels, Valentin 2430 | Tschernatsch, Johannes 2282 | 1-0 | D02 Apertura de Peón de Dama: London System, with e6 | Grenke Chess Festival 2026 Open | 52 | Ver |
| 30 dic 2025 | Gebigke, Martin 2094 | Tschernatsch, Johannes 2310 | 0-1 | D37 Gambito de Dama rehusado: Barmen Variation | 8. Internationales Spandauer Weihnachtsopen 2025 | 71 | Ver |
| 28 dic 2025 | Schulz, Jannis 2081 | Tschernatsch, Johannes 2310 | 0-1 | A48 Sistema Londres | 8. Internationales Spandauer Weihnachtsopen 2025 | 52 | Ver |
| 22 dic 2025 | Tschernatsch, Johannes 2310 | Perestjuk, Marko 2137 | 0-1 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | 8. Internationales Spandauer Weihnachtsopen 2025 | 54 | Ver |
| 23 nov 2025 | Scheftlein, Richard 2358 | Tschernatsch, Johannes 2126 | ½-½ | E61 Defensa India de Rey | German University Chess Championship 2025 | Blitz (Boards 1-100) | 44 | Ver |
| 23 nov 2025 | Tschernatsch, Johannes 2126 | Woelk, Tom-Frederic 2362 | 0-1 | B47 Defensa Siciliana: Taimanov Variation, Bastrikov Variation | German University Chess Championship 2025 | Blitz (Boards 1-100) | 43 | Ver |
| 23 nov 2025 | Niermann, Tristan 2244 | Tschernatsch, Johannes 2126 | 0-1 | A10 Apertura Inglesa: Great Snake Variation | German University Chess Championship 2025 | Blitz (Boards 1-100) | 38 | Ver |
| 23 nov 2025 | Wachinger, Nikolas 2279 | Tschernatsch, Johannes 2126 | 1-0 | A10 Apertura Inglesa: Great Snake Variation | German University Chess Championship 2025 | Blitz (Boards 1-100) | 37 | Ver |
| 22 nov 2025 | Tschernatsch, Johannes 2210 | Brunner, Tobias 2013 | 1-0 | B12 Defensa Caro-Kann: Maróczy Variation | German University Chess Championship 2025 | Rapid Board 1-100 | 24 | Ver |