| — | 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 | |
| Jun 23, 2026 | Stijve | 0–1 | Gaehler | SUI-chT Luzern-Wollishofen | French Defense: Winawer Variation, Retreat Variation, Armenian Line | |
| Jun 23, 2026 | Juelg | ½–½ | Stijve | SUI-chT Echallens-Luzern | Queen's Gambit Declined | |
| 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 | |
| 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 | |
| Apr 14, 2023 | Hakimifard | 0–1 | Stijve | Swiss Young Masters 2023 | Ruy Lopez: Fianchetto Defense | |
| Apr 13, 2023 | Stijve | 1–0 | Hasenohr | Swiss Young Masters 2023 | Slav Defense: Geller Gambit | |
| Apr 12, 2023 | Laurent-Paoli | 1–0 | Stijve | Swiss Young Masters 2023 | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Apr 11, 2023 | Stijve | ½–½ | Asllani | Swiss Young Masters 2023 | Catalan Opening: Closed | |
| Apr 10, 2023 | Yankelevich | ½–½ | Stijve | Swiss Young Masters 2023 | Nimzo-Indian Defense: Rubinstein System | |
| Apr 9, 2023 | Stijve | 1–0 | Riehle | Swiss Young Masters 2023 | Ruy Lopez: Closed, Martinez Variation | |
| Apr 9, 2023 | Gschnitzer | ½–½ | Stijve | Swiss Young Masters 2023 | Vienna Game: Mieses Variation | |
| Apr 8, 2023 | Stijve | 0–1 | Georgescu | Swiss Young Masters 2023 | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Apr 7, 2023 | Peng | 1–0 | Stijve | Swiss Young Masters 2023 | Tarrasch Defense: Schara Gambit | |
| Jun 25, 2022 | Blomqvist | 1–0 | Stijve | Teplice 2022 Ɩ 18. - 26.06.2022 Ɩ Start 3 pm. Ɩ Teplice Chess Club | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jun 23, 2022 | Postny | * | Stijve | Teplice 2022 Ɩ 18. - 26.06.2022 Ɩ Start 3 pm. Ɩ Teplice Chess Club | Queen's Gambit Declined: Orthodox Defense | |
| Jun 22, 2022 | Stijve | 1–0 | Budisavljevic | Teplice 2022 Ɩ 18. - 26.06.2022 Ɩ Start 3 pm. Ɩ Teplice Chess Club | English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation | |
| Jun 20, 2022 | Stijve | 0–1 | Pultinevicius | Teplice 2022 Ɩ 18. - 26.06.2022 Ɩ Start 3 pm. Ɩ Teplice Chess Club | Three Knights Opening: Steinitz Defense | |
| Sep 4, 2021 | Stijve | ½–½ | Rychagov | Online_Olympiad_Div2_PoolB | Réti Opening: Reversed Blumenfeld Gambit | |
| Sep 4, 2021 | BegmuratovKh2010 | 1–0 | Stijve | Online_Olympiad_Div2_PoolB | Sicilian Defense: Chekhover Variation | |
| Sep 2, 2021 | Stijve | 0–1 | Morgunov | Online_Olympiad_Div2_PoolB | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Sep 2, 2021 | Rabeea | 0–1 | Stijve | Online_Olympiad_Div2_PoolB | Queen's Pawn Game: Symmetrical Variation | |
| Sep 2, 2021 | Golubovsky | 1–0 | Stijve | Online_Olympiad_Div2_PoolB | Sicilian Defense: Prins Variation | |
| Jul 16, 2021 | Pelletier | ½–½ | Stijve | Swiss Title Tournament | Queen's Gambit Declined: Orthodox Defense, Main Line | |
| Jul 15, 2021 | Stijve | 1–0 | Hakimifard | Swiss Title Tournament | Sicilian Defense: Scheveningen Variation, Classical Main Line | |
| Jul 14, 2021 | Klauser | 0–1 | Stijve | Swiss Title Tournament | Sicilian Defense: Closed | |
| Jul 13, 2021 | Stijve | 0–1 | Gallagher | Swiss Title Tournament | English Opening: Symmetrical Variation | |
| Jul 12, 2021 | Stijve | ½–½ | Arcuti | Swiss Title Tournament | Ruy Lopez: Closed, Anti-Marshall | |
| Jul 11, 2021 | Fecker | ½–½ | Stijve | Swiss Title Tournament | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 10, 2021 | Stijve | 0–1 | Baenziger | Swiss Title Tournament | Sicilian Defense: Kan Variation, Knight Variation | |
| Jul 9, 2021 | Sedina | 0–1 | Stijve | Swiss Title Tournament | Sicilian Defense: Moscow Variation | |
| Jul 8, 2021 | Stijve | 0–1 | Gaehwiler | Swiss Title Tournament | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Mar 13, 2021 | Stijve | 1–0 | Pellicoro | Swiss Young Masters | Ruy Lopez: Morphy Defense, Duras Variation | |
| Mar 12, 2021 | Giesinger | 0–1 | Stijve | Swiss Young Masters | Catalan Opening: Open Defense | |
| Mar 11, 2021 | Stijve | 1–0 | Ramseyer | Swiss Young Masters | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Mar 10, 2021 | Stijve | 1–0 | Lou | Swiss Young Masters | Sicilian Defense: Najdorf Variation | |
| Mar 9, 2021 | Schlegel | ½–½ | Stijve | Swiss Young Masters | Sicilian Defense: Sozin Attack, Flank Variation | |
| Mar 8, 2021 | Stijve | 1–0 | Meier | Swiss Young Masters | Réti Opening: Advance Variation | |
| Mar 7, 2021 | Angst | ½–½ | Stijve | Swiss Young Masters | Sicilian Defense: Prins Variation, Venice Attack | |
| — | 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 | |
| — | Theo Stijve | 0–1 | Fabian Baenziger | Schweizer Einzelmeisterschaft 2023 Open | Bogo-Indian Defense: Retreat Variation | |