| — | Stijve | 0–1 | Huber | new tournament description | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| — | Spiric | 0–1 | Stijve | Grenke Open | Nimzo-Indian Defense: Normal Variation | |
| — | Jarocka | ½–½ | Stijve | Grenke Open | Ruy Lopez: Closed, Anti-Marshall | |
| Apr 21, 2026 | Stijve | 1–0 | Brunner | SMM NLA 2026 | Caro-Kann Defense: Advance Variation, Bayonet Attack | |
| Mar 17, 2026 | Gantner | 0–1 | Stijve | SUI-chT Reti-Luzern | Ruy Lopez: Fianchetto Defense | |
| Mar 7, 2026 | Stijve | 1–0 | Maeser | SGM | Sicilian Defense: Kan Variation, Wing Attack | |
| Sep 28, 2025 | Stijve | 0–1 | Kaczmarczyk | SMM Rd 8+9 | French Defense: Winawer Variation, Alekhine Gambit, Kan Variation | |
| Sep 27, 2025 | Gantner | 1–0 | Stijve | SMM Rd 8+9 | Ruy Lopez: Morphy Defense, Cozio Defense | |
| May 22, 2025 | Stijve | 0–1 | Skrbec | Mitropa 2025 Open | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| May 19, 2025 | Juhasz | 1–0 | Stijve | Mitropa 2025 Open | Ruy Lopez: Morphy Defense | |
| May 18, 2025 | Stijve | 0–1 | Zienkiewicz | Mitropa 2025 Open | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| May 17, 2025 | Balint | ½–½ | Stijve | Mitropa 2025 Open | Sicilian Defense: Kalashnikov Variation | |
| May 15, 2025 | Schuricht | 1–0 | Stijve | Mitropa 2025 Open | King's Indian Attack | |
| Apr 27, 2025 | Stijve | ½–½ | Riff | SUI-chT Luzern-Geneve | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Apr 6, 2025 | Stijve | 1–0 | Schwander | SUI-chT Luzern-Tribschen | Grünfeld Defense: Exchange Variation | |
| Apr 5, 2025 | Cvitan | ½–½ | Stijve | SUI-chT Riehen-Luzern | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| Mar 16, 2025 | Gaehler | 1–0 | Stijve | SUI-chT Wollishofen-Luzern | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Oct 13, 2024 | Hasenohr | 0–1 | Stijve | SMM Nationalliga A 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 12, 2024 | Brunner | 1–0 | Stijve | SMM Nationalliga A 2024 | Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | |
| Aug 25, 2024 | Wyss | 0–1 | Stijve | SUI-chT Reti-Luzern | Scotch Game: Scotch Gambit, Advance Variation | |
| Aug 24, 2024 | Stijve | 0–1 | Cvitan | SUI-chT Luzern-Riehen | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 21, 2024 | Bogner | 1–0 | Stijve | Tiebreak: Bogner, Sebastian - Stijve, Theo | Nimzo-Indian Defense: Classical Variation | |
| Jul 21, 2024 | Stijve | 0–1 | Bogner | Tiebreak: Stijve, Theo - Bogner, Sebastian | Sicilian Defense: Richter-Rauzer Variation | |
| Jul 21, 2024 | Baenziger | 0–1 | Stijve | Round 9: Baenziger, Fabian - Stijve, Theo | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Jul 20, 2024 | Stijve | 1–0 | Georgiadis | Round 8: Stijve, Theo - Georgiadis, Nico | Sicilian Defense: Moscow Variation | |
| Jul 19, 2024 | Klauser | 0–1 | Stijve | Round 7: Klauser, Markus - Stijve, Theo | Ruy Lopez: Cozio Defense | |
| Jul 18, 2024 | Stijve | ½–½ | Georgiadis | Round 6: Stijve, Theo - Georgiadis, Ioannis | Scotch Game: Schmidt Variation | |
| Jul 17, 2024 | Kurmann | 0–1 | Stijve | Round 5: Kurmann, Oliver - Stijve, Theo | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 16, 2024 | Stijve | 1–0 | Wyss | Round 4: Stijve, Theo - Wyss, Jonas | Grünfeld Defense: Exchange Variation, Classical Variation | |
| Jul 14, 2024 | Peng | ½–½ | Stijve | Round 2: Peng, Li Min - Stijve, Theo | Nimzo-Larsen Attack: Modern Variation | |
| Jul 13, 2024 | Stijve | ½–½ | Fischer | Round 1: Stijve, Theo - Fischer, Daniel | Sicilian Defense: Lasker-Pelikan Variation | |
| Jun 5, 2024 | Stijve | 0–1 | Bogner | Round 3: Stijve, Theo - Bogner, Sebastian | Nimzo-Indian Defense: Normal Variation | |
| Jun 2, 2024 | Stijve | 1–0 | Mohylnyi | Round 9: Stijve, Theo - Mohylnyi, Stepan | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jun 1, 2024 | Stijve | ½–½ | Friedrich | Round 8: Stijve, Theo - Friedrich, Ricardo | Sicilian Defense: Richter-Rauzer Variation | |
| May 31, 2024 | Ohler | 1–0 | Stijve | Round 7: Ohler, Julius - Stijve, Theo | Queen's Gambit Declined: Modern Variation | |
| May 30, 2024 | Stijve | 1–0 | Van den Bersselaar | Round 6: Stijve, Theo - Van den Bersselaar, Jeroen | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 30, 2024 | Kjartansson | 1–0 | Stijve | Round 5: Kjartansson, Gudmundur - Stijve, Theo | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| May 29, 2024 | Stijve | 1–0 | Engesser | Round 4: Stijve, Theo - Engesser, Jonas | King's Indian Defense: Normal Variation, Standard Development | |
| May 28, 2024 | Exler | * | Stijve | Round 3: Exler, Veronika - Stijve, Theo | ? | |
| May 27, 2024 | Kollars | 1–0 | Stijve | Round 2: Kollars, Dmitrij - Stijve, Theo | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 26, 2024 | Stijve | * | Brolly | Round 1: Stijve, Theo - Brolly, Pierre-Louis | ? | |
| Apr 28, 2024 | Sokolov | ½–½ | Stijve | SUI-chT Geneve-Luzern | Ruy Lopez: Cozio Defense | |
| Apr 14, 2024 | Stijve | 1–0 | Mantovani | SUI-chT Luzern-Mendrisio | Czech Defense | |
| Mar 10, 2024 | Stijve | 1–0 | Seitz | SUI-chT Luzern-Bodan | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Feb 18, 2024 | Strehse | ½–½ | Stijve | Round 9: Nelson Strehse - Theo Stijve | French Defense: Exchange Variation | |
| Feb 17, 2024 | Stijve | 0–1 | Xu | Round 8: Theo Stijve - Yuanyuan Xu | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Feb 16, 2024 | Karen H. Grigoryan | ½–½ | Theo Stijve | Round 7: Karen H. Grigoryan - Theo Stijve | English Opening: Agincourt Defense, Wimpy System | |
| Feb 15, 2024 | Theo Stijve | ½–½ | Alexander Kovchan | Round 6: Theo Stijve - Alexander Kovchan | Sicilian Defense: Najdorf Variation | |
| Feb 15, 2024 | Emmanuel Viers | 0–1 | Theo Stijve | Round 5: Emmanuel Viers - Theo Stijve | Queen's Pawn Game: Chigorin Variation | |
| Feb 12, 2024 | Eduardo Iturrizaga Bonelli | 1–0 | Theo Stijve | Round 3: Eduardo Iturrizaga Bonelli - Theo Stijve | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Dec 30, 2024 | Labruyere | 0–1 | Stijve | Round 9: Labruyere, Roger - Stijve, Theo | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 29, 2024 | Stijve | 1–0 | Van Foreest | Round 8: Stijve, Theo - Van Foreest, Machteld | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Dec 28, 2024 | Stijve | 1–0 | Van Rootselaar | Round 7: Stijve, Theo - Van Rootselaar, Rik | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Dec 27, 2024 | Nicolai | 0–1 | Stijve | Round 6: Nicolai, Amir - Stijve, Theo | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 26, 2024 | Stijve | ½–½ | Vijayakumar | Round 5: Stijve, Theo - Vijayakumar, Rishi | Ruy Lopez: Morphy Defense | |
| Dec 24, 2024 | Mostertman | ½–½ | Stijve | Round 4: Mostertman, Milan - Stijve, Theo | French Defense: Tarrasch Variation | |
| Dec 23, 2024 | Stijve | 0–1 | Pham | Round 3: Stijve, Theo - Pham, Khoi | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Dec 22, 2024 | Ivanov | ½–½ | Stijve | Round 2: Ivanov, Dmytro - Stijve, Theo | Queen's Pawn Game: Levitsky Attack | |
| Dec 21, 2024 | Stijve | 1–0 | Ritzerveld | Round 1: Stijve, Theo - Ritzerveld, Noah | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Jul 16, 2023 | Theo Stijve | 0–1 | Oliver Kurmann | Round 2: Theo Stijve - Oliver Kurmann | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Jul 15, 2023 | Joseph Gallagher | ½–½ | Theo Stijve | Round 1: Joseph Gallagher - Theo Stijve | French Defense: Chigorin Variation | |
| Feb 18, 2023 | Theo Stijve | 1–0 | Shir Shatil | Round 9: Theo Stijve - Shir Shatil | Queen's Indian Defense: Riumin Variation | |
| Feb 17, 2023 | Theo Stijve | 0–1 | Robert Zelcic | Round 8: Theo Stijve - Robert Zelcic | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Feb 16, 2023 | Rudolf Kobl | 0–1 | Theo Stijve | Round 7: Rudolf Kobl - Theo Stijve | Italian Game: Two Knights Defense, Ulvestad Variation | |
| Feb 15, 2023 | Theo Stijve | 1–0 | Markus Regez | Round 6: Theo Stijve - Markus Regez | Sicilian Defense: Dragon Variation | |
| Feb 14, 2023 | M.R. Venkatesh | 1–0 | Theo Stijve | Round 5: M.R. Venkatesh - Theo Stijve | French Defense: Tarrasch Variation, Closed Variation | |
| Feb 13, 2023 | Theo Stijve | ½–½ | Sandipan Chanda | Round 4: Theo Stijve - Sandipan Chanda | Sicilian Defense: Venice Attack | |
| Feb 12, 2023 | Nikoloz Chkhaidze | 0–1 | Theo Stijve | Round 3: Nikoloz Chkhaidze - Theo Stijve | King's Gambit Accepted: Schallopp Defense | |
| Feb 12, 2023 | Theo Stijve | 1–0 | Florian Charaus | Round 2: Theo Stijve - Florian Charaus | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Feb 12, 2023 | Christa Hackbarth | 0–1 | Theo Stijve | Round 1: Christa Hackbarth - Theo Stijve | ? | |
| Sep 17, 2022 | Theo Stijve | ½–½ | Sello Mahlangu | Round 9: Theo Stijve - Sello Mahlangu | English Opening: Symmetrical Variation | |
| Sep 16, 2022 | Bjarne Van Dijck | 0–1 | Theo Stijve | Round 8: Bjarne Van Dijck - Theo Stijve | Sicilian Defense: Moscow Variation | |
| Sep 15, 2022 | Theo Stijve | 0–1 | James Allison | Round 7: Theo Stijve - James Allison | French Defense: Rubinstein Variation, Blackburne Defense | |
| Sep 15, 2022 | Dimitris Alexakis | 1–0 | Theo Stijve | Round 6: Dimitris Alexakis - Theo Stijve | French Defense: Schlechter Variation | |
| Sep 14, 2022 | Theo Stijve | 1–0 | Wasswa Mark Nyola | Round 5: Theo Stijve - Wasswa Mark Nyola | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Sep 14, 2022 | Jun Hao Tan | ½–½ | Theo Stijve | Round 4: Jun Hao Tan - Theo Stijve | Sicilian Defense: French Variation | |
| Sep 14, 2022 | Theo Stijve | ½–½ | Ashvin Sivakumar | Round 3: Theo Stijve - Ashvin Sivakumar | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Sep 14, 2022 | Zalan Nemeth | 1–0 | Theo Stijve | Round 2: Zalan Nemeth - Theo Stijve | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
| Sep 14, 2022 | Theo Stijve | 1–0 | Emmanuel Musasizi | Round 1: Theo Stijve - Emmanuel Musasizi | English Opening: Mikenas-Carls Variation | |
| — | Theo Stijve | 0–1 | Fabian Baenziger | Schweizer Einzelmeisterschaft 2023 Open | Bogo-Indian Defense: Retreat Variation | |
| — | Stijve | 1–0 | Loetscher | Schweizer Einzelmeisterschaft 2023 Open | Caro-Kann Defense: Advance Variation, Bayonet Attack | |
| — | Stijve | 1–0 | Georgescu | Schweizer Einzelmeisterschaft 2023 Open | Ruy Lopez: Berlin Defense | |
| — | Fecker | 1–0 | Stijve | Schweizer Einzelmeisterschaft 2023 Open | Ruy Lopez: Schliemann Defense | |
| — | Colmenares | ½–½ | Stijve | Schweizer Einzelmeisterschaft 2023 Open | French Defense: Steiner Variation | |
| — | Hasenohr | 1–0 | Stijve | Schweizer Einzelmeisterschaft 2023 Open | Queen's Pawn Game: Symmetrical Variation | |
| — | Gaehwiler | ½–½ | Stijve | Schweizer Einzelmeisterschaft 2023 Open | Catalan Opening: Closed | |