| May 31, 2026 | Schmider | 0–1 | Ermitsch | Finals: Schmider, Niklas - Ermitsch, Magnus | Ruy Lopez: Fianchetto Defense | |
| May 30, 2026 | Korchynskyi | ½–½ | Schmider | Semifinals: Korchynskyi, Mykola - Schmider, Niklas | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 8, 2026 | Baidetskyi | 1–0 | Schmider | Round 9: Baidetskyi, Valentin - Schmider, Niklas | Sicilian Defense: Najdorf Variation | |
| May 7, 2026 | Schmider | 0–1 | Bogdanov | Round 8: Schmider, Niklas - Bogdanov, Artyom | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| May 6, 2026 | Schlosser | ½–½ | Schmider | Round 6: Schlosser, Philipp - Schmider, Niklas | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| May 5, 2026 | Schmider | 1–0 | Sydykov | Round 5: Schmider, Niklas - Sydykov, Bayastan | French Defense: Alekhine-Chatard Attack, Albin-Chatard Gambit | |
| May 4, 2026 | Korchynskyi | ½–½ | Schmider | Round 4: Korchynskyi, Mykola - Schmider, Niklas | Queen's Pawn Game: London System | |
| May 4, 2026 | Schmider | ½–½ | Vuckovic | Round 3: Schmider, Niklas - Vuckovic, Zarko | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| May 3, 2026 | Nestorovic | 1–0 | Schmider | Round 2: Nestorovic, Nikola - Schmider, Niklas | Four Knights Game | |
| May 2, 2026 | Schmider | 0–1 | Hagner | Round 1: Schmider, Niklas - Hagner, Bennet | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Apr 27, 2026 | Schmider | 1–0 | Khusnutdinov | Round 7: Schmider, Niklas - Khusnutdinov, Rustam | French Defense: Hecht-Reefschläger Variation | |
| Apr 6, 2026 | Schmider | ½–½ | Federer | Grenke Chess Festival 2026 Open | Sicilian Defense: Najdorf Variation | |
| Apr 6, 2026 | Gut | 0–1 | Schmider | Grenke Chess Festival 2026 Open | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 5, 2026 | Schmider | * | Fanninger | Grenke Chess Festival 2026 Open | ? | |
| Apr 3, 2026 | Schmider | 0–1 | Kovacsy | Grenke Chess Festival 2026 Open | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Apr 3, 2026 | Tscharotschkin | 0–1 | Schmider | Grenke Chess Festival 2026 Open | Queen's Pawn Game: London System | |
| Apr 2, 2026 | Schmider | 1–0 | Margaryan | Grenke Chess Festival 2026 Open | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Dec 3, 2025 | Schmider | ½–½ | Royal | Round 9: Schmider, Niklas - Royal, Shreyas | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 2, 2025 | Banerjee | 0–1 | Schmider | Round 8: Banerjee, Supratit - Schmider, Niklas | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 1, 2025 | Schmider | 0–1 | Cornette | Round 7: Schmider, Niklas - Cornette, Matthieu | Ruy Lopez: Closed, Smyslov Defense | |
| Nov 30, 2025 | Khoo-Thwe | 0–1 | Schmider | Round 6: Khoo-Thwe, Louis - Schmider, Niklas | Sicilian Defense: Moscow Variation | |
| Nov 30, 2025 | Schmider | 1–0 | Haydon | Round 5: Schmider, Niklas - Haydon, David L | Ruy Lopez: Open, Howell Attack | |
| Nov 29, 2025 | Harley | 0–1 | Schmider | Round 4: Harley, Andrew D - Schmider, Niklas | Sicilian Defense: Alapin Variation | |
| Nov 28, 2025 | O`cuilleanain | 0–1 | Schmider | Round 3: O`cuilleanain, Oisin - Schmider, Niklas | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Nov 28, 2025 | Schmider | 0–1 | Mesropyan | Round 2: Schmider, Niklas - Mesropyan, Hayk | Ruy Lopez: Morphy Defense | |
| Nov 27, 2025 | Schmider | 0–1 | Manmay Chopra | Round 1: Schmider, Niklas - Manmay Chopra | Zukertort Opening: Nimzo-Larsen Variation | |
| May 31, 2025 | Samoun | 1–0 | Schmider | Round 3: Samoun, Florent - Schmider, Niklas | Sicilian Defense: Chekhover Variation | |
| May 30, 2025 | Schmider | ½–½ | Chigaev | Round 2: Schmider, Niklas - Chigaev, Maksim | French Defense: Winawer Variation, Advance Variation | |
| May 29, 2025 | Fedorchuk | 1–0 | Schmider | Round 1: Fedorchuk, Sergey A. - Schmider, Niklas | Sicilian Defense: Najdorf Variation | |
| May 28, 2025 | Schmider | 0–1 | Velten | Round 7: Schmider, Niklas - Velten, Paul | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 26, 2025 | Amin | 1–0 | Schmider | Round 5: Amin, Bassem - Schmider, Niklas | English Opening: Symmetrical Variation, Rubinstein Variation | |
| May 25, 2025 | Schmider | 0–1 | Pranav | Round 4: Schmider, Niklas - Pranav, V | Ruy Lopez: Cozio Defense | |
| May 24, 2025 | Solodovnichenko | ½–½ | Schmider | Round 3: Solodovnichenko, Yuri - Schmider, Niklas | Sicilian Defense: Najdorf Variation | |
| May 23, 2025 | Schmider | 1–0 | Moussard | Round 2: Schmider, Niklas - Moussard, Jules | Nimzowitsch Defense: Williams Variation | |
| May 22, 2025 | Schmider | 0–1 | Santos Latasa | Round 1: Schmider, Niklas - Santos Latasa, Jaime | Sicilian Defense: Moscow Variation | |
| May 21, 2025 | Bacrot | ½–½ | Schmider | Round 6: Bacrot, Etienne - Schmider, Niklas | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Apr 21, 2025 | Schmider | 0–1 | Indjic | Round 8: Schmider, Niklas - Indjic, Aleksandar | Sicilian Defense: Najdorf Variation | |
| Apr 21, 2025 | Degardin | 0–1 | Schmider | Grenke Chess Open A | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Apr 20, 2025 | Schmider | 1–0 | Casadio | Round 6: Schmider, Niklas - Casadio, Niccolo` | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 20, 2025 | Bodi | 0–1 | Schmider | Round 7: Bodi, Tibor - Schmider, Niklas | Hungarian Opening | |
| Apr 19, 2025 | Ivic | ½–½ | Schmider | Round 4: Ivic, Velimir - Schmider, Niklas | Sicilian Defense: Moscow Variation | |
| Apr 19, 2025 | Donchenko | 1–0 | Schmider | Round 5: Donchenko, Alexander - Schmider, Niklas | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 18, 2025 | Schmider | 1–0 | Ziegenfuss | Round 3: Schmider, Niklas - Ziegenfuss, Antonia | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 18, 2025 | Arnold | 0–1 | Schmider | Round 2: Arnold, Rhys - Schmider, Niklas | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Mar 30, 2025 | Schmider | 1–0 | Amann | Round 11: Schmider, Niklas - Amann, Harald | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 29, 2025 | Baenziger | 1–0 | Schmider | Round 10: Baenziger, Fabian - Schmider, Niklas | Catalan Opening: Open Defense, Classical Line | |
| Mar 28, 2025 | Schmider | 1–0 | Tomic | Round 9: Schmider, Niklas - Tomic, Aleksandar | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jan 5, 2025 | Celik | ½–½ | Schmider | 52nd Rilton Cup | Sicilian Defense: Chekhover Variation | |
| Jan 4, 2025 | Schmider | 1–0 | Wartiovaara | 52nd Rilton Cup | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jan 3, 2025 | Baenziger | 1–0 | Schmider | 52nd Rilton Cup | Queen's Gambit Declined: Tartakower Defense | |
| Jan 2, 2025 | Schmider | 1–0 | Jain Kashish Manoj | 52nd Rilton Cup | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Dec 31, 2024 | Mahitosh Dey | 0–1 | Schmider | 52nd Rilton Cup | Sicilian Defense: Moscow Variation | |
| Dec 30, 2024 | Schmider | 0–1 | Costa | 52nd Rilton Cup | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Dec 29, 2024 | Lindbergh | 0–1 | Schmider | 52nd Rilton Cup | Nimzo-Indian Defense: Normal Variation | |
| Aug 25, 2024 | Braun | 1–0 | Schmider | Round 9: Braun, Georg, Dr. - Schmider, Niklas | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Aug 24, 2024 | Schmider | 0–1 | Rosner | Round 8: Schmider, Niklas - Rosner, Jonas | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Aug 22, 2024 | Schmider | ½–½ | Kuegel | Round 6: Schmider, Niklas - Kuegel, Tobias | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Aug 22, 2024 | Petrovskyi | 0–1 | Schmider | Round 5: Petrovskyi, Vadym - Schmider, Niklas | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Aug 21, 2024 | Schmider | 1–0 | Yasmo | Round 4: Schmider, Niklas - Yasmo, Daniil | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Aug 20, 2024 | Schmider | 1–0 | Bosselmann | Round 3: Schmider, Niklas - Bosselmann, Tom Linus | Petrov's Defense: French Attack | |
| Aug 19, 2024 | Gramb | 0–1 | Schmider | Round 1: Gramb, Marius - Schmider, Niklas | Sicilian Defense: Alapin Variation | |
| Aug 16, 2024 | Lagunow | ½–½ | Schmider | Round 7: Lagunow, Raphael - Schmider, Niklas | Catalan Opening: Open Defense, Classical Line | |
| Aug 16, 2024 | Poetsch | 1–0 | Schmider | Round 2: Poetsch, Hagen - Schmider, Niklas | Scotch Game: Schmidt Variation | |
| Aug 15, 2024 | Schmider | 1–0 | Ortiz Verdezoto | Round 9: Schmider, Niklas - Ortiz Verdezoto, Anahi | Ruy Lopez: Morphy Defense | |
| Aug 10, 2024 | Schmider | 1–0 | Ribeiro | Round 1: Schmider, Niklas - Ribeiro, Rodrigo | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Aug 10, 2024 | Jarocka | 1–0 | Schmider | Round 2: Jarocka, Liwia - Schmider, Niklas | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Jun 23, 2024 | Schmider | 1–0 | Song | Round 9: Schmider, Niklas - Song, Julien | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 22, 2024 | Hladky | 0–1 | Schmider | Round 8: Hladky, Tadeas - Schmider, Niklas | Sicilian Defense: Moscow Variation | |
| Jun 21, 2024 | Schmider | 0–1 | Rakshitta Ravi | Round 7: Schmider, Niklas - Rakshitta Ravi | Ruy Lopez: Cozio Defense | |
| Jun 20, 2024 | Nytra | 0–1 | Schmider | Teplice 2024 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jun 19, 2024 | Schmider | 0–1 | Yaniv | Round 5: Schmider, Niklas - Yaniv, Yuval | King's Indian Defense: Semi-Averbakh System | |
| Jun 18, 2024 | Nemitz | 0–1 | Schmider | Round 4: Nemitz, Alfred - Schmider, Niklas | Sicilian Defense | |
| Jun 17, 2024 | Schmider | 0–1 | Warmerdam | Round 3: Schmider, Niklas - Warmerdam, Max | Zukertort Opening | |
| Jun 16, 2024 | Tichy | 0–1 | Schmider | Round 2: Tichy, Stepan - Schmider, Niklas | Zukertort Opening | |
| Jun 15, 2024 | Schmider | 1–0 | Friml | Round 1: Schmider, Niklas - Friml, Antonin | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 1, 2024 | Schmider | 1–0 | Volkov | Grenke Chess Open 2024 | Zukertort Opening | |
| Apr 1, 2024 | Gavrilescu | 1–0 | Schmider | Grenke Chess Open 2024 | Scotch Game: Mieses Variation | |
| Mar 31, 2024 | Schmider | 1–0 | Ramirez Marin | Grenke Chess Open 2024 | Zukertort Opening | |
| Mar 30, 2024 | Schmider | ½–½ | Hourigan | new tournament description | Zukertort Opening | |
| Mar 30, 2024 | Tschann | 1–0 | Schmider | new tournament description | Pirc Defense | |
| Mar 29, 2024 | Schmider | 0–1 | Gajcin | Grenke Chess Open 2024 | Zukertort Opening: Nimzo-Larsen Variation | |
| Oct 28, 2023 | Wecker | 0–1 | Schmider | 26. Offene Internationale Bayerische Schachmeisterschaft Tegernsee | Catalan Opening: Open Defense, Classical Line | |
| May 30, 2023 | Schmider | 1–0 | Tulchynskyi | 2nd Laim Pfingst Open | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 30, 2023 | Shyam | 1–0 | Schmider | 2nd Laim Pfingst Open | Zukertort Opening: Sicilian Invitation | |
| May 29, 2023 | Schmider | 1–0 | Dobrosmyslov | 2nd Laim Pfingst Open | Ruy Lopez: Open, Howell Attack | |
| May 29, 2023 | Goldbeck | * | Schmider | 2nd Laim Pfingst Open | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| May 28, 2023 | Schmider | ½–½ | Deepan Chakkravarthy J. | 2nd Laim Pfingst Open | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| May 28, 2023 | Sorensen | 1–0 | Schmider | 2nd Laim Pfingst Open | Catalan Opening: Open Defense, Classical Line | |
| May 27, 2023 | Schmider | 1–0 | Senthil Maran K | 2nd Laim Pfingst Open | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 27, 2023 | Friedrich | 0–1 | Schmider | 2nd Laim Pfingst Open | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Feb 3, 2023 | Schmider | 1–0 | Kocharin | Schachbundesliga | Catalan Opening: Closed | |
| Jul 22, 2022 | Schmider | * | Schimnatkowski | open | ? | |
| Jul 21, 2022 | Van den Berg | * | Schmider | open | ? | |
| Jul 19, 2022 | Sonnenschein | * | Schmider | open | ? | |
| Jul 16, 2022 | Schmider | * | Huckebrink | open | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jan 22, 2022 | Schmider | ½–½ | Dev | Marianske Lazne 2022 | Ruy Lopez: Open, Motzko Attack | |
| Jan 21, 2022 | Mica | ½–½ | Schmider | Marianske Lazne 2022 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jan 20, 2022 | Schmider | 1–0 | Kantorik | Marianske Lazne 2022 | Nimzowitsch Defense: Williams Variation | |
| Jan 19, 2022 | Jasny | ½–½ | Schmider | Marianske Lazne 2022 | Zukertort Opening | |
| Jan 18, 2022 | Schmider | ½–½ | Mannion | Marianske Lazne 2022 | Ruy Lopez: Closed, Flohr System | |