| Jun 23, 2026 | Rotunno | 0–1 | Schlegel | SUI-chT Echallens-Winterthur | Bogo-Indian Defense: Retreat Variation | |
| Jun 23, 2026 | Schlegel | ½–½ | Degtiarev | SUI-chT Winterthur-Reti | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 21, 2026 | Schlegel | 1–0 | Wildi | SMM NLA 2026 | Modern Defense: Standard Line | |
| Mar 17, 2026 | Guex | 0–1 | Schlegel | SUI-chT Nyon-Winterthur | Sicilian Defense: Alapin Variation | |
| Mar 7, 2026 | Rodriguez Polo | 1–0 | Schlegel | SGM | English Opening: Agincourt Defense | |
| Sep 28, 2025 | Hakimifard | 0–1 | Schlegel | SMM Rd 8+9 | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Sep 27, 2025 | Saminskij | 1–0 | Schlegel | SMM Rd 8+9 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 24, 2025 | Schlegel | ½–½ | Maria | Biel Chess Festival 2025 MTO | Sicilian Defense: Najdorf Variation | |
| Jul 23, 2025 | Talwalkar | * | Schlegel | Biel Chess Festival 2025 MTO | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jul 22, 2025 | Schlegel | 0–1 | Doraszelski | Biel Chess Festival 2025 MTO | Sicilian Defense: Chekhover Variation | |
| Jul 21, 2025 | Haugner | 0–1 | Schlegel | Biel Chess Festival 2025 MTO | Sicilian Defense: Moscow Variation | |
| Jul 19, 2025 | Yang | 1–0 | Schlegel | Biel Chess Festival 2025 MTO | Bogo-Indian Defense: Retreat Variation | |
| Jul 18, 2025 | Schlegel | 1–0 | Lilliehook | Biel Chess Festival 2025 MTO | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 17, 2025 | Georgescu | 1–0 | Schlegel | Biel Chess Festival 2025 MTO | Sicilian Defense: Najdorf Variation | |
| Jul 16, 2025 | Schlegel | 0–1 | Poh | Biel Chess Festival 2025 MTO | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Jul 15, 2025 | Schultze | 0–1 | Schlegel | Biel Chess Festival 2025 MTO | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 14, 2025 | Schlegel | 1–0 | Oestmann | Biel Chess Festival 2025 MTO | Sicilian Defense: French Variation | |
| May 31, 2025 | Heinemann | 1–0 | Schlegel | Round 8: Heinemann, Josefine - Schlegel, Igor | Sicilian Defense: Moscow Variation | |
| May 30, 2025 | Schlegel | 0–1 | Nestorovic | Round 7: Schlegel, Igor - Nestorovic, Nikola | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| May 29, 2025 | Platzgummer | 0–1 | Schlegel | Round 6: Platzgummer, Fabian - Schlegel, Igor | King's Indian Attack: Sicilian Variation | |
| May 28, 2025 | Schlegel | 0–1 | Bogdanov | Round 5: Schlegel, Igor - Bogdanov, Artyom | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 28, 2025 | Oberhofer | ½–½ | Schlegel | Round 4: Oberhofer, Cedric - Schlegel, Igor | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 27, 2025 | Schlegel | ½–½ | Boehme | Round 3: Schlegel, Igor - Boehme, Sebastian | French Defense: Advance Variation, Paulsen Attack | |
| May 26, 2025 | Miller | ½–½ | Schlegel | Round 2: Miller, Eduard - Schlegel, Igor | King's Indian Attack: Sicilian Variation | |
| May 25, 2025 | Schlegel | ½–½ | Atoyan | Round 1: Schlegel, Igor - Atoyan, Alberto | Caro-Kann Defense: Endgame Offer | |
| May 24, 2025 | Schlegel | ½–½ | Mons | Round 9: Schlegel, Igor - Mons, Leon | Four Knights Game: Spanish Variation, Symmetrical Variation | |
| Apr 27, 2025 | Cereda | 0–1 | Schlegel | SUI-chT Mendrisio-Winterthur | Sicilian Defense: Moscow Variation | |
| Apr 26, 2025 | Hryzlova | 1–0 | Schlegel | Round 9: Hryzlova, Sofiia - Schlegel, Igor | King's Indian Attack | |
| Apr 25, 2025 | Schlegel | 0–1 | Fecker | Round 8: Schlegel, Igor - Fecker, Noah | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 24, 2025 | Boyer | 0–1 | Schlegel | Round 7: Boyer, Mahel - Schlegel, Igor | English Opening: Agincourt Defense | |
| Apr 23, 2025 | Schlegel | 0–1 | Vlachos | Round 6: Schlegel, Igor - Vlachos, Anatole | Italian Game: Classical Variation, Giuoco Pianissimo, with a5 | |
| Apr 22, 2025 | Krastev | 1–0 | Schlegel | Round 5: Krastev, Alexander - Schlegel, Igor | Sicilian Defense: Moscow Variation | |
| Apr 21, 2025 | Schlegel | 0–1 | Manko | Round 4: Schlegel, Igor - Manko, Mariia | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Apr 20, 2025 | Collin | ½–½ | Schlegel | Round 3: Collin, Moritz Valentin - Schlegel, Igor | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 19, 2025 | Schlegel | 0–1 | Mattenberger | Round 2: Schlegel, Igor - Mattenberger, Matthias | Sicilian Defense: O'Kelly Variation, Maróczy Bind | |
| Apr 6, 2025 | Jaeggi | ½–½ | Schlegel | SUI-chT Riehen-Winterthur | Semi-Slav Defense: Normal Variation | |
| Apr 5, 2025 | Schlegel | 1–0 | Joie | SUI-chT Winterthur-Nyon | French Defense: Advance Variation, Euwe Variation | |
| Mar 16, 2025 | Schlegel | ½–½ | Colmenares | SMM Nationalliga A 2025 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Mar 5, 2025 | Schlegel | 0–1 | Peyrer | Round 1: Schlegel, Igor - Peyrer, Konstantin | Italian Game: Paris Defense | |
| Feb 22, 2025 | Schlegel | 1–0 | Kambor | SGM 2024-2025 1. Bundesliga | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 7, 2025 | Colbow | 0–1 | Schlegel | Round 11: Colbow, Collin - Schlegel, Igor | Zukertort Opening | |
| Mar 6, 2025 | Schlegel | 1–0 | Loke | Round 10: Schlegel, Igor - Loke, Kayden | Pirc Defense: Classical Variation, Quiet System | |
| Mar 5, 2025 | Chen | ½–½ | Schlegel | Round 9: Chen, lvheng - Schlegel, Igor | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Mar 4, 2025 | Schlegel | 1–0 | Milovic | Round 8: Schlegel, Igor - Milovic, Ilija | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 3, 2025 | Matyakubov | 1–0 | Schlegel | Round 7: Matyakubov, Miraziz - Schlegel, Igor | Sicilian Defense: Moscow Variation | |
| Mar 2, 2025 | Schlegel | 0–1 | Amilal Munkhdalai | Round 6: Schlegel, Igor - Amilal Munkhdalai | French Defense: Advance Variation, Euwe Variation | |
| Mar 1, 2025 | Lavrencic | 1–0 | Schlegel | Round 5: Lavrencic, Matic - Schlegel, Igor | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 28, 2025 | Lamaze | 0–1 | Schlegel | Round 4: Lamaze, Simon - Schlegel, Igor | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 27, 2025 | Schlegel | 0–1 | Wang | Round 3: Schlegel, Igor - Wang, Hao(ZJ) | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Feb 26, 2025 | Dau Khuong Duy | ½–½ | Schlegel | Round 2: Dau Khuong Duy - Schlegel, Igor | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 25, 2025 | Schlegel | 1–0 | Srihari L R | Round 1: Schlegel, Igor - Srihari L R | Italian Game: Scotch Gambit, Anderssen Attack | |
| Nov 3, 2024 | Schlegel | ½–½ | Cilo | Round 9: Schlegel, Igor - Cilo, Selimhan | Caro-Kann Defense: Endgame Variation | |
| Nov 2, 2024 | Baenziger | ½–½ | Schlegel | Round 8: Baenziger, Fabian - Schlegel, Igor | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Nov 1, 2024 | Schlegel | 0–1 | Amar | Round 7: Schlegel, Igor - Amar, Elham | Sicilian Defense: Najdorf Variation | |
| Oct 31, 2024 | Dotzer | 0–1 | Schlegel | Round 6: Dotzer, Lukas - Schlegel, Igor | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Oct 30, 2024 | Schlegel | * | Ercan | Round 5: Schlegel, Igor - Ercan, Selman | ? | |
| Oct 13, 2024 | Schlegel | 1–0 | Loetscher | SMM Nationalliga A 2024 | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 12, 2024 | Jaeggi | ½–½ | Schlegel | SMM Nationalliga A 2024 | Semi-Slav Defense: Normal Variation | |
| Aug 25, 2024 | Schweizer | 1–0 | Schlegel | SUI-chT Schwarz-Weiss Bern-Winterthur | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Aug 24, 2024 | Schlegel | 0–1 | Colmenares | SUI-chT Winterthur-Geneve | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | |
| Jul 14, 2024 | Schlegel | 1–0 | Zarriess | Biel Chess Festival RAP | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Jul 14, 2024 | Schlegel | 1–0 | Chen | Biel Chess Festival RAP | Sicilian Defense: Old Sicilian | |
| Jul 14, 2024 | Schlegel | 1–0 | Kheerthi Ganta | Biel Chess Festival RAP | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Jul 14, 2024 | Schlegel | 1–0 | Roth | Biel Chess Festival RAP | Sicilian Defense: O'Kelly Variation, Réti System | |
| Jul 14, 2024 | Schlegel | 0–1 | Frey | Biel Chess Festival RAP | Nimzo-Larsen Attack: Classical Variation | |
| Jul 14, 2024 | Jud | 1–0 | Schlegel | Biel Chess Festival RAP | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jul 14, 2024 | Rait | 0–1 | Schlegel | Biel Chess Festival RAP | Polish Opening: Schiffler-Sokolsky Variation | |
| Jul 14, 2024 | Assaubayeva | 1–0 | Schlegel | Biel Chess Festival RAP | Zukertort Opening | |
| Jul 14, 2024 | Harsha Bharathakoti | 1–0 | Schlegel | Biel Chess Festival RAP | Queen's Gambit Declined: Semi-Slav, Abrahams Variation | |
| Jun 23, 2024 | Schlegel | 1–0 | Maier | SUI-chT Winterthur-Reti | Italian Game: Hungarian Defense | |
| May 26, 2024 | Frey | 0–1 | Schlegel | SUI-chT Wollishofen-Winterthur | Sicilian Defense: Najdorf Variation | |
| May 12, 2024 | Rotunno | ½–½ | Schlegel | Bundesturnier | Benko Gambit Declined: Quiet Line | |
| May 11, 2024 | Schlegel | 0–1 | Loetscher | Bundesturnier | Caro-Kann Defense: Advance Variation, Short Variation | |
| May 11, 2024 | Hirzel | 0–1 | Schlegel | Bundesturnier | English Opening: Agincourt Defense | |
| Apr 28, 2024 | Schlegel | 1–0 | Cavadini | SUI-chT Winterthur-Mendrisio | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Apr 14, 2024 | Knoedler | ½–½ | Schlegel | SUI-chT Bodan-Winterthur | English Opening: Agincourt Defense | |
| Mar 10, 2024 | Vogt | ½–½ | Schlegel | SUI-chT Zuerich-Winterthur | Sicilian Defense: Moscow Variation | |
| Feb 24, 2024 | Gantner | 1–0 | Schlegel | Schweizerische Gruppenmeisterschaft 2024 | Sicilian Defense: Moscow Variation | |
| Sep 6, 2024 | Fischer | 1–0 | Schlegel | Round 9: Fischer, Daniel - Schlegel, Igor | Sicilian Defense: Moscow Variation | |
| Sep 5, 2024 | Schlegel | ½–½ | Chia | Round 8: Schlegel, Igor - Chia, Yu Zhe Ashton | French Defense: Advance Variation, Euwe Variation | |
| Sep 4, 2024 | Willems | ½–½ | Schlegel | Round 7: Willems, Niels - Schlegel, Igor | Queen's Pawn Game: Chigorin Variation, Alburt Defense | |
| Sep 3, 2024 | Schlegel | 1–0 | Schnaider | Round 6: Schlegel, Igor - Schnaider, Ilan | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Sep 3, 2024 | Brilej | 1–0 | Schlegel | Round 5: Brilej, Jaka - Schlegel, Igor | Queen's Pawn Game: Colle System | |
| Sep 2, 2024 | Schlegel | 1–0 | Papadiamandis | Round 4: Schlegel, Igor - Papadiamandis, Elliot | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Sep 1, 2024 | Schlegel | 1–0 | Lumachi | Round 2: Schlegel, Igor - Lumachi, Gabriele | Caro-Kann Defense: Advance Variation, Short Variation | |
| Sep 1, 2024 | Barp | 1–0 | Schlegel | Round 3: Barp, Alberto - Schlegel, Igor | Queen's Gambit Declined | |
| Nov 24, 2023 | Schlegel | 1–0 | Gagic | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 18 | Nimzo-Larsen Attack: Modern Variation | |
| Nov 14, 2023 | Dzida | 1–0 | Schlegel | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 18 | Sicilian Defense: Najdorf Variation, Main Line | |
| Oct 15, 2023 | Schlegel | 0–1 | Haag | SMM 2023 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Oct 14, 2023 | Friedrich | ½–½ | Schlegel | SMM 2023 | Sicilian Defense: Moscow Variation | |
| Jul 17, 2023 | Schlegel | ½–½ | Stojanovic | Schweizer Einzelmeisterschaft 2023 Masters | French Defense: Burn Variation | |
| Apr 3, 2023 | Schlegel | 0–1 | Schneider | 2. Millennium Normenturnier | French Defense: Advance Variation, Euwe Variation | |
| Apr 3, 2023 | Schlegel | 1–0 | Zysk | 2. Millennium Normenturnier | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Apr 3, 2023 | Schlegel | 1–0 | Costa | 2. Millennium Normenturnier | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 3, 2023 | Schlegel | ½–½ | Oberhofer | 2. Millennium Normenturnier | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 3, 2023 | Schulz | 0–1 | Schlegel | 2. Millennium Normenturnier | Sicilian Defense | |
| Apr 3, 2023 | Yelisieiev | ½–½ | Schlegel | 2. Millennium Normenturnier | Indian Defense: Przepiorka Variation | |
| Apr 3, 2023 | Das | 1–0 | Schlegel | 2. Millennium Normenturnier | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Apr 3, 2023 | Kolb | 1–0 | Schlegel | 2. Millennium Normenturnier | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 3, 2023 | Lohvinov | ½–½ | Schlegel | 2. Millennium Normenturnier | Sicilian Defense: Chekhover Variation | |