| Apr 3, 2026 | Schellenberg | 0–1 | Hong | Grenke Chess Festival 2026 Open | Zukertort Opening | |
| Oct 12, 2025 | Engelberts | 0–1 | Schellenberg | Round 9: Engelberts, Martijn - Schellenberg, Simon | Bishop's Opening: Berlin Defense | |
| Oct 11, 2025 | Schellenberg | 1–0 | Ager | Round 8: Schellenberg, Simon - Ager, Josef | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Oct 10, 2025 | Subhabrata Roy | ½–½ | Schellenberg | Round 7: Subhabrata Roy - Schellenberg, Simon | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Oct 9, 2025 | Schellenberg | 1–0 | Trevisan | Round 6: Schellenberg, Simon - Trevisan, Stefano | Grünfeld Defense: Stockholm Variation | |
| Oct 9, 2025 | Smith | 1–0 | Schellenberg | Round 5: Smith, Bryan - Schellenberg, Simon | Ruy Lopez: Schliemann Defense | |
| Oct 7, 2025 | Schellenberg | 1–0 | Bartonicek | Round 4: Schellenberg, Simon - Bartonicek, Zdenek | Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation | |
| Oct 6, 2025 | Wirz | ½–½ | Schellenberg | Round 3: Wirz, Heinz - Schellenberg, Simon | Queen's Gambit Declined | |
| Oct 5, 2025 | Schellenberg | 1–0 | Bartonicek | Round 2: Schellenberg, Simon - Bartonicek, Zdenek | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Oct 5, 2025 | Rigo | 0–1 | Schellenberg | Round 1: Rigo, Gianfrancesco - Schellenberg, Simon | Scandinavian Defense: Marshall Variation | |
| Jul 20, 2025 | Schellenberg | 0–1 | Brandis | Round 9: Schellenberg, Simon - Brandis, Benjamin | Ruy Lopez: Morphy Defense | |
| Jul 19, 2025 | Meier | ½–½ | Schellenberg | Round 8: Meier, Manuel - Schellenberg, Simon | Semi-Slav Defense: Stoltz Variation | |
| Jul 18, 2025 | Schellenberg | 0–1 | Rotunno | Round 7: Schellenberg, Simon - Rotunno, Flavio | Sicilian Defense: Moscow Variation, Main Line | |
| Jul 16, 2025 | Schellenberg | 1–0 | Mattenberger | Round 5: Schellenberg, Simon - Mattenberger, Dominik | Nimzo-Larsen Attack: English Variation | |
| Jul 15, 2025 | Kasipour Azbari | 0–1 | Schellenberg | Round 4: Kasipour Azbari, Seyed Arvin - Schellenberg, Simon | Caro-Kann Defense: Panov Attack, Main Line | |
| Jul 13, 2025 | Guyer | 0–1 | Schellenberg | Round 2: Guyer, Marlon - Schellenberg, Simon | Scandinavian Defense: Main Line, Mieses Variation | |
| Jul 12, 2025 | Schellenberg | 1–0 | Gontsul | Round 1: Schellenberg, Simon - Gontsul, Artem | Indian Defense: Anti-Nimzo-Indian | |
| Jun 1, 2025 | Schellenberg | ½–½ | Rappazzo | Round 7: Schellenberg, Simon - Rappazzo, Johannes | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| May 31, 2025 | Hugentobler | ½–½ | Schellenberg | Round 6: Hugentobler, Patrick - Schellenberg, Simon | Ruy Lopez: Exchange Variation, King's Bishop Variation | |
| May 31, 2025 | Schellenberg | 1–0 | Haugner | Round 5: Schellenberg, Simon - Haugner, Jan | Queen's Gambit Declined: Pseudo-Tarrasch Variation, Canal Variation | |
| May 30, 2025 | Schellenberg | 0–1 | Regez | Round 3: Schellenberg, Simon - Regez, Markus | Benko Gambit Accepted: Modern Variation | |
| May 29, 2025 | Pfaltz | 0–1 | Schellenberg | Round 2: Pfaltz, Maximilian - Schellenberg, Simon | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 29, 2025 | Schellenberg | 1–0 | Neuschild | Round 1: Schellenberg, Simon - Neuschild, Marius | Queen's Gambit Declined | |
| May 28, 2025 | Schellenberg | 0–1 | Bauer | Round 3: Schellenberg, Simon - Bauer, Christian | Nimzo-Indian Defense: Normal Variation | |
| May 28, 2025 | Stojanovic | 1–0 | Schellenberg | Round 6: Stojanovic, Mihajlo - Schellenberg, Simon | Queen's Gambit Declined | |
| Jan 4, 2025 | Schellenberg | ½–½ | Vuckovic | 35. Staufer Open 2025 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jan 4, 2025 | Wenninger | ½–½ | Schellenberg | 35. Staufer Open 2025 | Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation | |
| Jan 2, 2025 | Schellenberg | 0–1 | Ehmann | 35. Staufer Open 2025 | Benoni Defense: King's Pawn Line | |
| Oct 13, 2024 | Schellenberg | 0–1 | Lohia | 46th International Chess Open Citta di Arco - A | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Oct 12, 2024 | Schellenberg | 1–0 | Ventura | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Classical Variation | |
| Oct 11, 2024 | Cvek | ½–½ | Schellenberg | 46th International Chess Open Citta di Arco - A | Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation | |
| Oct 10, 2024 | Schellenberg | ½–½ | Hernandez Guerrero | 46th International Chess Open Citta di Arco - A | Benoni Defense | |
| Oct 9, 2024 | Malli | 0–1 | Schellenberg | 46th International Chess Open Citta di Arco - A | English Opening: Agincourt Defense | |
| Oct 8, 2024 | Schellenberg | 1–0 | Diotallevi | 46th International Chess Open Citta di Arco - A | Queen's Gambit Declined: Queen's Knight Variation | |
| Oct 7, 2024 | Weyandt | 0–1 | Schellenberg | 46th International Chess Open Citta di Arco - A | Indian Defense: London System | |
| Oct 6, 2024 | Schellenberg | 0–1 | Bellincampi | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Old Sicilian | |
| Oct 5, 2024 | Galliani | 0–1 | Schellenberg | 46th International Chess Open Citta di Arco - A | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Jul 20, 2024 | Joie | 1–0 | Schellenberg | Round 8: Joie, Sebastien - Schellenberg, Simon | Four Knights Game | |
| Jul 19, 2024 | Schellenberg | 0–1 | Kaczmarczyk | Round 7: Schellenberg, Simon - Kaczmarczyk, Dennis | Queen's Gambit Declined: Harrwitz Attack | |
| Jul 18, 2024 | Hasenohr | ½–½ | Schellenberg | Round 6: Hasenohr, Benedict - Schellenberg, Simon | Indian Defense: Anti-Nimzo-Indian | |
| Jul 17, 2024 | Schellenberg | ½–½ | Stojanovic | Round 5: Schellenberg, Simon - Stojanovic, Mihajlo | Queen's Gambit Declined: Charousek Variation | |
| Jul 16, 2024 | Bischofberger | 0–1 | Schellenberg | Round 4: Bischofberger, Dario - Schellenberg, Simon | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Jul 15, 2024 | Schellenberg | 1–0 | Python | Round 3: Schellenberg, Simon - Python, Noe | Pirc Defense | |
| Jul 14, 2024 | Petrov | 1–0 | Schellenberg | Schweizer Einzelmeisterschaft 24 Masters | Nimzo-Indian Defense: Rubinstein System | |
| Jul 13, 2024 | Schellenberg | * | Dizdarevic | Round 1: Schellenberg, Simon - Dizdarevic, Barbara | ? | |
| Apr 1, 2024 | Schellenberg | ½–½ | Collin | Round 8: Schellenberg, Simon - Collin, Moritz Valentin | English Opening: King's English Variation | |
| May 29, 2023 | Kwiatkowski | 1–0 | Schellenberg | Schweizer Jugend Einzelmeisterschaft 2023 U16 | Scandinavian Defense: Marshall Variation | |
| May 28, 2023 | Schellenberg | 0–1 | Rappazzo | Schweizer Jugend Einzelmeisterschaft 2023 U16 | King's Indian Defense | |
| May 28, 2023 | Schellenberg | 1–0 | Artan | Schweizer Jugend Einzelmeisterschaft 2023 U16 | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| May 27, 2023 | Gendre | 0–1 | Schellenberg | Schweizer Jugend Einzelmeisterschaft 2023 U16 | Grünfeld Defense: Exchange Variation | |
| May 27, 2023 | Rotunno | ½–½ | Schellenberg | Schweizer Jugend Einzelmeisterschaft 2023 U16 | Grünfeld Defense: Exchange Variation, Nadanian Attack | |
| May 26, 2023 | Schellenberg | 0–1 | Hirzel | Schweizer Jugend Einzelmeisterschaft 2023 U16 | French Defense: Steinitz Variation, Gledhill Attack | |
| May 26, 2023 | Clotet Mas | 0–1 | Schellenberg | Schweizer Jugend Einzelmeisterschaft 2023 U16 | Scandinavian Defense: Marshall Variation | |
| — | Schellenberg | ½–½ | Borsos | Schweizer Einzelmeisterschaft 2023 Masters | Ruy Lopez: Berlin Defense | |
| — | Schellenberg | 0–1 | Carre | Schweizer Einzelmeisterschaft 2023 Masters | Caro-Kann Defense: Panov Attack | |
| — | Schellenberg | 1–0 | Shahmammadli | Schweizer Einzelmeisterschaft 2023 Masters | Czech Defense | |
| — | Schellenberg | 0–1 | Kolimar | Round 3: Schellenberg, Simon - Kolimar, Kristof Pal | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| — | Schellenberg | 1–0 | Rappazzo | Round 7: Schellenberg, Simon - Rappazzo, Johannes | Nimzo-Larsen Attack | |
| — | Schellenberg | 0–1 | Leitgeb | Round 9: Schellenberg, Simon - Leitgeb, Julian | Sicilian Defense: Modern Variations | |
| — | Bagri | 0–1 | Schellenberg | Schweizer Einzelmeisterschaft 2023 Masters | English Opening: Agincourt Defense | |
| — | Gschnitzer | 1–0 | Schellenberg | Schweizer Einzelmeisterschaft 2023 Masters | Scandinavian Defense: Marshall Variation | |
| — | Javornik | 1–0 | Schellenberg | Round 4: Javornik, Nik - Schellenberg, Simon | King's Indian Attack | |
| — | Borrmann | 1–0 | Schellenberg | Round 8: Borrmann, Laurenz - Schellenberg, Simon | Zukertort Opening: Reversed Grünfeld | |