| — | Vyval | 1–0 | Gut | Grenke Open | Sicilian Defense: Najdorf Variation | |
| Jun 26, 2026 | Gut | 1–0 | Mavridis | 5RigoJanos_Memorial_IM-B | Queen's Gambit Declined: Charousek Variation | |
| Jun 25, 2026 | Matyassy | 1–0 | Gut | 5RigoJanos_Memorial_IM-B | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 24, 2026 | Gut | 1–0 | Horvath | 5RigoJanos_Memorial_IM-B | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| Jun 24, 2026 | Kiryttopoulos | ½–½ | Gut | 5RigoJanos_Memorial_IM-B | Sicilian Defense: Moscow Variation | |
| Jun 23, 2026 | Gut | ½–½ | Ilko-Toth | 5RigoJanos_Memorial_IM-B | Queen's Gambit Declined: Janowski Variation | |
| Jun 22, 2026 | Sofronie | 0–1 | Gut | 5RigoJanos_Memorial_IM-B | King's Indian Attack: Symmetrical Defense | |
| Jun 21, 2026 | Gut | 1–0 | Varga | 5RigoJanos_Memorial_IM-B | Queen's Gambit Accepted: Smyslov Variation | |
| Jun 20, 2026 | Sertic | 1–0 | Gut | 5RigoJanos_Memorial_IM-B | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| May 19, 2026 | Pribelszky | 1–0 | Gut | 5RigoJanos_Memorial_IM-B | Sicilian Defense: Keres Variation | |
| Apr 6, 2026 | Gut | 0–1 | Schmider | Grenke Chess Festival 2026 Open | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 5, 2026 | Lokander | ½–½ | Gut | Grenke Chess Festival 2026 Open | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Feb 16, 2026 | Gut | 0–1 | Dahl | Round 4: Gut, Lionel - Dahl, Christoph | King's Indian Defense: Semi-Averbakh System | |
| Oct 30, 2025 | Georgiadis | 1–0 | Gut | Round 2: Georgiadis, Anastasios - Gut, Lionel | Grünfeld Defense: Exchange Variation | |
| Sep 28, 2025 | Gut | 1–0 | Fend | SMM Rd 8+9 | Nimzo-Indian Defense: Rubinstein System | |
| Sep 27, 2025 | Gut | ½–½ | Joie | SMM Rd 8+9 | English Defense | |
| Jul 24, 2025 | Hu | ½–½ | Gut | Biel Chess Festival 2025 MTO | Sicilian Defense: Moscow Variation | |
| Jul 23, 2025 | Schimnatkowski | 1–0 | Gut | Biel Chess Festival 2025 MTO | Sicilian Defense: Dragon Variation, Fianchetto Variation | |
| Jul 22, 2025 | Gut | 1–0 | Kwiatkowski | Biel Chess Festival 2025 MTO | Nimzo-Indian Defense: Normal Variation | |
| Jul 21, 2025 | Talwalkar | 1–0 | Gut | Biel Chess Festival 2025 MTO | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Jul 20, 2025 | Gut | 0–1 | Schweizer | Biel Chess Festival 2025 Blitz | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | |
| Jul 20, 2025 | Lappalainen | 0–1 | Gut | Biel Chess Festival 2025 Blitz | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 20, 2025 | Gut | 1–0 | Vassiliev | Biel Chess Festival 2025 Blitz | Indian Defense: Budapest Defense, Fajarowicz Defense, Bonsdorf Variation | |
| Jul 20, 2025 | Stevens | ½–½ | Gut | Biel Chess Festival 2025 Blitz | Sicilian Defense: Closed | |
| Jul 20, 2025 | Buerki | ½–½ | Gut | Biel Chess Festival 2025 Blitz | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jul 20, 2025 | Gut | 1–0 | Kobalia | Biel Chess Festival 2025 Blitz | Slav Defense: Chebanenko Variation, Advance System | |
| Jul 20, 2025 | Gut | 1–0 | Vihaan Dumir | Biel Chess Festival 2025 Blitz | Nimzo-Indian Defense: Normal Variation | |
| Jul 20, 2025 | Chen | 1–0 | Gut | Biel Chess Festival 2025 Blitz | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Jul 20, 2025 | Gut | ½–½ | Ding | Biel Chess Festival 2025 Blitz | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jul 20, 2025 | Cordes | 0–1 | Gut | Biel Chess Festival 2025 Blitz | Neo-Grünfeld Defense: Goglidze Attack | |
| Jul 20, 2025 | Gut | 0–1 | Gloeckler | Biel Chess Festival 2025 Blitz | Nimzo-Indian Defense: Normal Variation | |
| Jul 20, 2025 | Bednarczuk | 1–0 | Gut | Biel Chess Festival 2025 Blitz | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Jul 20, 2025 | Gut | 1–0 | Avilova | Biel Chess Festival 2025 Blitz | Queen's Gambit Declined: Exchange Variation | |
| Jul 19, 2025 | Gut | ½–½ | Marcenaro | Biel Chess Festival 2025 MTO | English Defense | |
| Jul 18, 2025 | Pranesh M | 1–0 | Gut | Biel Chess Festival 2025 MTO | Sicilian Defense: Closed | |
| Jul 17, 2025 | Gut | 1–0 | Gao | Biel Chess Festival 2025 MTO | Queen's Gambit Declined: Charousek Variation | |
| Jul 16, 2025 | Guretchii | ½–½ | Gut | Biel Chess Festival 2025 MTO | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jul 15, 2025 | Gut | 1–0 | Anetov | Biel Chess Festival 2025 MTO | King's Indian Defense: Semi-Averbakh System | |
| Jul 14, 2025 | Zhang | ½–½ | Gut | Biel Chess Festival 2025 MTO | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 8, 2025 | Breyer | 0–1 | Gut | Swiss Youtch Chess Championship 2025 U16 | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Jun 7, 2025 | Gut | ½–½ | Gut | Swiss Youtch Chess Championship 2025 U16 | Slav Defense: Geller Gambit | |
| Jun 6, 2025 | Gut | 1–0 | Pellegrini | Swiss Youtch Chess Championship 2025 U16 | English Defense | |
| Jun 6, 2025 | Christen | 0–1 | Gut | Swiss Youtch Chess Championship 2025 U16 | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jun 1, 2025 | Fischer | ½–½ | Gut | Round 7: Fischer, Daniel - Gut, Lionel | Sicilian Defense: Najdorf Variation | |
| May 31, 2025 | Gut | ½–½ | Rohrer | Round 6: Gut, Lionel - Rohrer, Christophe | Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation | |
| May 31, 2025 | Gut | 1–0 | Piacquadio | Round 5: Gut, Lionel - Piacquadio, Riccardo Daniele | Nimzo-Indian Defense: Normal Variation | |
| May 30, 2025 | Gut | 1–0 | Kulikov | Round 3: Gut, Lionel - Kulikov, Mikhail L | Nimzo-Indian Defense: Normal Variation | |
| May 29, 2025 | Koehalmi-Szabo | 0–1 | Gut | Round 2: Koehalmi-Szabo, Mihaly - Gut, Lionel | Sicilian Defense: Chekhover Variation | |
| May 19, 2025 | Gut | 1–0 | Arsenie | Swiss Youtch Chess Championship 2025 U16 | Nimzo-Indian Defense: Normal Variation | |
| May 19, 2025 | Gut | ½–½ | Angelovski | Swiss Youtch Chess Championship 2025 U16 | Semi-Slav Defense: Noteboom Variation | |
| May 19, 2025 | Malli | ½–½ | Gut | Swiss Youtch Chess Championship 2025 U16 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| May 3, 2025 | Destic | 0–1 | Gut | Round 9: Destic, Elena - Gut, Lionel | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 2, 2025 | Adharsh K | 1–0 | Gut | Round 8: Adharsh K - Gut, Lionel | Sicilian Defense: Najdorf Variation | |
| May 1, 2025 | Gut | 1–0 | Vihaan Karthikeya N | Round 7: Gut, Lionel - Vihaan Karthikeya N | Queen's Gambit Declined: Charousek Variation | |
| Apr 30, 2025 | Gut | 1–0 | Orman | Round 5: Gut, Lionel - Orman, Attila | King's Indian Defense: Semi-Averbakh System | |
| Apr 30, 2025 | Wecker | ½–½ | Gut | Round 6: Wecker, Martin - Gut, Lionel | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Apr 29, 2025 | Verga | 1–0 | Gut | Round 4: Verga, Francesco - Gut, Lionel | Sicilian Defense: Najdorf Variation | |
| Apr 28, 2025 | Gut | ½–½ | Di Stasio | Round 3: Gut, Lionel - Di Stasio, Giuseppe Danilo | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 27, 2025 | Gut | 0–1 | Dardha | Round 1: Gut, Lionel - Dardha, Daniel | English Defense | |
| Apr 27, 2025 | Vardi | 0–1 | Gut | Round 2: Vardi, Daniel - Gut, Lionel | Sicilian Defense: Najdorf Variation, English Attack | |
| Apr 6, 2025 | Gut | ½–½ | Hryzlova | SUI-chT Tribschen-Luzern | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 5, 2025 | Gut | ½–½ | Rotunno | SUI-chT Tribschen-Zuerich | Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation | |
| Mar 16, 2025 | Fischer | 1–0 | Gut | SMM 2025 | Sicilian Defense: Moscow Variation | |
| Feb 5, 2025 | Peng | 1–0 | Gut | Round 4: Peng, Li Min - Gut, Lionel | Grünfeld Defense: Three Knights Variation | |
| Jan 6, 2025 | Dolzhykova | ½–½ | Gut | 35. Staufer Open 2025 | Pterodactyl Defense: Eastern, Rhamphorhynchus | |
| Jan 5, 2025 | Gut | 1–0 | Herbrig | 35. Staufer Open 2025 | Nimzo-Indian Defense: Normal Variation | |
| Jan 5, 2025 | Harshavardhan G B | 1–0 | Gut | 35. Staufer Open 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 4, 2025 | Gut | 1–0 | Besou | 35. Staufer Open 2025 | Nimzo-Indian Defense: Reshevsky Variation | |
| Jan 3, 2025 | Gut | ½–½ | Korneev | 35. Staufer Open 2025 | Nimzo-Indian Defense: Normal Variation | |
| Jan 2, 2025 | Noe | 1–0 | Gut | 35. Staufer Open 2025 | Neo-Grünfeld Defense: Goglidze Attack | |
| Feb 24, 2025 | Gut | 0–1 | Laurent-Paoli | Round 1: Gut, Lionel - Laurent-Paoli, Pierre | Nimzo-Indian Defense: Reshevsky Variation | |
| Nov 3, 2024 | Gut | ½–½ | Gut | Round 9: Gut, Lionel - Gut, Raphael | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Oct 28, 2024 | Gut | 0–1 | Morawietz | Round 3: Gut, Lionel - Morawietz, Dieter | Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation | |
| Aug 30, 2024 | Gut | ½–½ | Lyakh | EYCC 2024 - O16 | Nimzo-Indian Defense: Normal Variation | |
| Aug 29, 2024 | Antoniou | ½–½ | Gut | EYCC 2024 - O16 | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Aug 28, 2024 | Gut | ½–½ | Juhanak | EYCC 2024 - O16 | Nimzo-Indian Defense: Normal Variation | |
| Aug 23, 2024 | Gut | 0–1 | Ostrovsky Berman | EYCC 2024 - O16 | King's Indian Defense: Semi-Averbakh System | |
| Jul 22, 2024 | Kasipour Azbari | ½–½ | Gut | Tiebreak: Kasipour Azbari, Seyed Arvin - Gut, Lionel | Sicilian Defense | |
| Jul 22, 2024 | Gut | 0–1 | Kasipour Azbari | Tiebreak: Gut, Lionel - Kasipour Azbari, Seyed Arvin | Semi-Slav Defense: Botvinnik Variation, Lilienthal Variation | |
| Jul 21, 2024 | Gut | ½–½ | Joie | Round 9: Gut, Lionel - Joie, Sebastien | Dutch Defense: Classical Variation | |
| Jul 20, 2024 | Gut | 1–0 | Jetzl | Round 8: Gut, Lionel - Jetzl, Julian | Grünfeld Defense: Exchange Variation | |
| Jul 19, 2024 | Wespi | 0–1 | Gut | Round 7: Wespi, Andre - Gut, Lionel | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jul 18, 2024 | Gschnitzer | 1–0 | Gut | Round 6: Gschnitzer, Adrian - Gut, Lionel | Sicilian Defense: Najdorf Variation | |
| Jul 17, 2024 | Gut | 0–1 | Petrov | Round 5: Gut, Lionel - Petrov, Nikita | Nimzo-Indian Defense: Normal Variation | |
| Jul 16, 2024 | Saminskij | 0–1 | Gut | Round 4: Saminskij, Jan - Gut, Lionel | Sicilian Defense: Najdorf Variation | |
| Jul 15, 2024 | Gut | 0–1 | Stojanovic | Round 3: Gut, Lionel - Stojanovic, Mihajlo | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 14, 2024 | Peglau | 0–1 | Gut | Schweizer Einzelmeisterschaft 24 Masters | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Jul 13, 2024 | Gut | 1–0 | Schweizer | Round 1: Gut, Lionel - Schweizer, Samuel | Queen's Pawn Game | |
| May 20, 2024 | Gut | 1–0 | Breyer | Schweizer Jugend Einzelmeisterschaft 2024 | Nimzo-Indian Defense: Reshevsky Variation | |
| May 19, 2024 | Breyer | 0–1 | Gut | Schweizer Jugend Einzelmeisterschaft 2024 | Sicilian Defense: Najdorf Variation, English Attack | |
| May 19, 2024 | Toktomushev | 1–0 | Gut | Schweizer Jugend Einzelmeisterschaft 2024 | Grünfeld Defense: Exchange Variation | |
| May 18, 2024 | Gut | 0–1 | Malli | Schweizer Jugend Einzelmeisterschaft 2024 | Queen's Gambit Declined: Cambridge Springs Defense, Yugoslav Variation | |
| May 18, 2024 | Rappazzo | 0–1 | Gut | Schweizer Jugend Einzelmeisterschaft 2024 | Sicilian Defense: Najdorf Variation | |
| May 17, 2024 | Gut | ½–½ | Mattenberger | Schweizer Jugend Einzelmeisterschaft 2024 | King's Indian Attack | |
| May 17, 2024 | Haas | 0–1 | Gut | Schweizer Jugend Einzelmeisterschaft 2024 | Grünfeld Defense: Stockholm Variation | |
| May 11, 2024 | Loetscher | 1–0 | Gut | Bundesturnier | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| May 10, 2024 | Gut | ½–½ | Toktomushev | Bundesturnier | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 10, 2024 | Gut | ½–½ | Manko | Bundesturnier | Benko Gambit Declined: Main Line | |
| May 9, 2024 | Joie | 0–1 | Gut | Bundesturnier | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Mar 31, 2024 | Gut | ½–½ | Viennot | Grenke Open | Dutch Defense: Stonewall Variation, Modern Variation | |