| Jun 23, 2026 | Demuth | 1–0 | Vernay | SUI-chT Riehen-Geneve | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Jun 23, 2026 | Saminskij | ½–½ | Demuth | SUI-chT Wollishofen-Riehen | Modern Defense: Standard Defense | |
| Jun 14, 2026 | Sokolov | ½–½ | Demuth | Round 4: Sokolov, Andrei - Demuth, Adrien | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jun 12, 2026 | Demuth | ½–½ | Lagarde | Round 2: Demuth, Adrien - Lagarde, Maxime | Slav Defense: Exchange Variation, Trifunovic Variation | |
| Jun 11, 2026 | Girel | ½–½ | Demuth | Round 1: Girel, Joseph - Demuth, Adrien | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Jun 10, 2026 | Demuth | ½–½ | Fridman | Round 7: Demuth, Adrien - Fridman, Daniel | Catalan Opening: Open Defense, Classical Line | |
| Jun 9, 2026 | Demuth | ½–½ | Adhiban | Round 6: Demuth, Adrien - Adhiban, B. | King's Indian Defense: Orthodox Variation | |
| Jun 8, 2026 | Sebag | ½–½ | Demuth | Round 5: Sebag, Marie - Demuth, Adrien | Modern Defense: Standard Defense | |
| Jun 7, 2026 | Baklan | ½–½ | Demuth | Round 4: Baklan, Vladimir - Demuth, Adrien | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 6, 2026 | Demuth | 0–1 | Maghsoodloo | Round 3: Demuth, Adrien - Maghsoodloo, Parham | King's Indian Attack | |
| Jun 5, 2026 | Pichon | ½–½ | Demuth | Round 2: Pichon, Ewen - Demuth, Adrien | Caro-Kann Defense: Exchange Variation | |
| Apr 21, 2026 | Gautier | ½–½ | Demuth | SMM NLA 2026 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Mar 17, 2026 | Demuth | 1–0 | Kuehn | SUI-chT Riehen-Bodan | King's Indian Attack | |
| Nov 30, 2025 | Herega | 1–0 | Demuth | Round 13: Herega, Nejc - Demuth, Adrien | Catalan Opening: Open Defense | |
| Nov 30, 2025 | Demuth | 1–0 | Serifovic | Round 12: Demuth, Adrien - Serifovic, Faruk | Zukertort Opening: Queen's Gambit Invitation | |
| Nov 30, 2025 | Danov | 1–0 | Demuth | Round 11: Danov, Lyubomir - Demuth, Adrien | Sicilian Defense: Modern Variations, Main Line | |
| Nov 30, 2025 | Demuth | 0–1 | Pantsulaia | Round 10: Demuth, Adrien - Pantsulaia, Levan | Sicilian Defense: Closed | |
| Nov 30, 2025 | Boci | 0–1 | Demuth | Round 9: Boci, Mateu - Demuth, Adrien | Modern Defense: Pseudo-Austrian Attack | |
| Nov 30, 2025 | Demuth | 1–0 | Mihov | Round 8: Demuth, Adrien - Mihov, Filip | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 30, 2025 | Ivanchuk | 1–0 | Demuth | Round 7: Ivanchuk, Vasyl - Demuth, Adrien | Modern Defense: Averbakh System | |
| Nov 30, 2025 | Demuth | 1–0 | Idrizaj | Round 6: Demuth, Adrien - Idrizaj, Abedin | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 30, 2025 | Dalaud | 0–1 | Demuth | Round 5: Dalaud, Dorian - Demuth, Adrien | Zukertort Opening: Kingside Fianchetto | |
| Nov 30, 2025 | Demuth | 1–0 | Rexhepi | Round 4: Demuth, Adrien - Rexhepi, Kadri | Nimzo-Larsen Attack: Classical Variation | |
| Nov 30, 2025 | Bujupi | 1–0 | Demuth | Round 1: Bujupi, Albert - Demuth, Adrien | Queen's Pawn Game: Modern Defense | |
| Nov 29, 2025 | Demuth | 1–0 | Herega | Round 11: Demuth, Adrien - Herega, Nejc | Sicilian Defense | |
| Nov 29, 2025 | Saric | 1–0 | Demuth | Round 10: Saric, Ante - Demuth, Adrien | Zukertort Opening: Kingside Fianchetto | |
| Nov 29, 2025 | Demuth | ½–½ | Plat | Round 9: Demuth, Adrien - Plat, Vojtech | Old Indian Defense: Two Knights Variation | |
| Nov 29, 2025 | Demuth | 0–1 | Pultinevicius | Round 8: Demuth, Adrien - Pultinevicius, Paulius | King's Indian Attack: Keres Variation | |
| Nov 29, 2025 | Droin | 0–1 | Demuth | Round 7: Droin, Augustin - Demuth, Adrien | Philidor Defense: Exchange Variation | |
| Nov 29, 2025 | Demuth | ½–½ | Pantsulaia | Round 6: Demuth, Adrien - Pantsulaia, Levan | English Opening: Symmetrical, Hedgehog, Flexible Formation | |
| Nov 28, 2025 | Salgado Lopez | ½–½ | Demuth | Round 5: Salgado Lopez, Ivan - Demuth, Adrien | Modern Defense: Pseudo-Austrian Attack | |
| Nov 28, 2025 | Demuth | 1–0 | Martinovic | Round 4: Demuth, Adrien - Martinovic, Sasa | King's Indian Defense: Normal Variation, Rare Defenses | |
| Nov 28, 2025 | Almeida | 0–1 | Demuth | Round 3: Almeida, Joao Pedro Dias - Demuth, Adrien | Modern Defense: Standard Defense | |
| Nov 28, 2025 | Demuth | 1–0 | Paasikangas | Round 2: Demuth, Adrien - Paasikangas, Johanna | King's Indian Attack | |
| Nov 28, 2025 | Dilji | 0–1 | Demuth | Round 1: Dilji, Emell - Demuth, Adrien | Sicilian Defense: Classical Variation | |
| Sep 28, 2025 | Edouard | ½–½ | Demuth | SMM Rd 8+9 | Pirc Defense | |
| Sep 27, 2025 | Demuth | ½–½ | Pelletier | SMM Rd 8+9 | English Opening: Agincourt Defense, Kurajica Defense | |
| Jun 22, 2025 | Stojanovic | 1–0 | Demuth | SMM Nationalliga A 2025 | Queen's Pawn Game | |
| Jun 1, 2025 | Di Nicolantonio | 0–1 | Demuth | Round 4: Di Nicolantonio, Lucas - Demuth, Adrien | Pirc Defense | |
| May 31, 2025 | Abergel | 0–1 | Demuth | Round 3: Abergel, Thal - Demuth, Adrien | Rapport-Jobava System | |
| May 30, 2025 | Demuth | ½–½ | Lagarde | Round 2: Demuth, Adrien - Lagarde, Maxime | Benoni Defense: Classical Variation, New York Variation | |
| May 29, 2025 | Demuth | 0–1 | Puranik | Round 1: Demuth, Adrien - Puranik, Abhimanyu | Zukertort Opening | |
| May 28, 2025 | Demuth | ½–½ | Delorme | Round 7: Demuth, Adrien - Delorme, Axel | English Opening: Symmetrical Variation | |
| May 27, 2025 | Tregubov | ½–½ | Demuth | Round 6: Tregubov, Pavel V. - Demuth, Adrien | Pirc Defense: Classical Variation, Quiet System, Chigorin Line | |
| May 26, 2025 | Demuth | 1–0 | Nezar | Round 5: Demuth, Adrien - Nezar, Mustapha | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| May 23, 2025 | David | ½–½ | Demuth | Round 2: David, Alberto - Demuth, Adrien | King's Indian Defense: Semi-Averbakh System | |
| May 22, 2025 | Demuth | ½–½ | Cheparinov | Round 1: Demuth, Adrien - Cheparinov, Ivan | Rapport-Jobava System | |
| May 21, 2025 | Albornoz Cabrera | 1–0 | Demuth | Round 3: Albornoz Cabrera, Carlos Daniel - Demuth, Adrien | French Defense: Tarrasch Variation | |
| Apr 27, 2025 | Demuth | 1–0 | Cremer | SUI-chT Riehen-Tribschen | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 6, 2025 | Demuth | ½–½ | Georgiadis | SUI-chT Riehen-Winterthur | English Opening: King's English Variation, Two Knights Variation | |
| Apr 5, 2025 | Baenziger | ½–½ | Demuth | SUI-chT Luzern-Riehen | King's Indian Defense: Fianchetto Variation, Delayed Fianchetto | |
| Mar 16, 2025 | Sedina | ½–½ | Demuth | SUI-chT Mendrisio-Riehen | Sicilian Defense: Moscow Variation | |
| Oct 13, 2024 | Demuth | 1–0 | Brunner | SMM Nationalliga A 2024 | Nimzo-Indian Defense: Normal Variation, Schlechter Defense | |
| Oct 12, 2024 | Demuth | ½–½ | Santos Ruiz | SMM Nationalliga A 2024 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Aug 25, 2024 | Sedina | ½–½ | Demuth | SUI-chT Mendrisio-Riehen | Sicilian Defense: Moscow Variation | |
| Aug 24, 2024 | Kraemer | ½–½ | Demuth | SUI-chT Luzern-Riehen | Modern Defense | |
| Aug 17, 2024 | Demuth | ½–½ | Edouard | Championnat de France 2024 | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Aug 17, 2024 | Demuth | 0–1 | Edouard | Championnat de France 2024 | King's Indian Attack: Symmetrical Defense | |
| Aug 17, 2024 | Edouard | 1–0 | Demuth | Championnat de France 2024 | Modern Defense: Standard Line | |
| Aug 16, 2024 | Edouard | ½–½ | Demuth | Championnat de France 2024 | Modern Defense: Standard Line | |
| Jun 23, 2024 | Boffa | 0–1 | Demuth | SUI-chT Schwarz-Weiss Bern-Riehen | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Jun 8, 2024 | Kirill Shevchenko | 1–0 | Demuth | Top 16 Poule Haute 2 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Jun 7, 2024 | Demuth | ½–½ | Vitiugov | Top 16 Poule Haute 2 | Nimzo-Indian Defense: Classical Variation | |
| Jun 6, 2024 | Demuth | ½–½ | Aravindh | Top 16 Poule Haute 2 | Rapport-Jobava System | |
| Jun 5, 2024 | Barseghyan | ½–½ | Demuth | Round 7: Barseghyan, Harutyun - Demuth, Adrien | Robatsch Defense | |
| Jun 4, 2024 | Tregubov | ½–½ | Demuth | Round 6: Tregubov, Pavel V. - Demuth, Adrien | Queen's Gambit Declined: Tartakower Defense | |
| Jun 3, 2024 | Ramirez Garcia | 0–1 | Demuth | Round 5: Ramirez Garcia, Jorge Alberto - Demuth, Adrien | English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation | |
| Jun 2, 2024 | Demuth | ½–½ | Esipenko | Round 4: Demuth, Adrien - Esipenko, Andrey | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jun 1, 2024 | Ter-Sahakyan | ½–½ | Demuth | Round 3: Ter-Sahakyan, Samvel - Demuth, Adrien | Modern Defense: Standard Defense | |
| May 30, 2024 | Demuth | ½–½ | Laurent-Paoli | Round 1: Demuth, Adrien - Laurent-Paoli, Pierre | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| May 26, 2024 | Demuth | ½–½ | Sokolov | SUI-chT Riehen-Geneve | English Opening: Symmetrical Variation, Three Knights Variation | |
| Apr 28, 2024 | Hommeles | 1–0 | Demuth | SUI-chT Bodan-Riehen | Modern Defense: Geller's System | |
| Apr 14, 2024 | Demuth | ½–½ | Borsuk | SUI-chT Riehen-Wollishofen | French Defense: Tarrasch Variation, Closed Variation | |
| Mar 10, 2024 | Degtiarev | ½–½ | Demuth | SUI-chT Reti-Riehen | Queen's Pawn Game: Modern Defense | |
| Oct 15, 2023 | Hasenohr | 0–1 | Demuth | SMM 2023 | Modern Defense: Averbakh System | |
| Oct 14, 2023 | Demuth | ½–½ | Atlas | SMM 2023 | English Opening: Symmetrical Variation | |
| Oct 6, 2023 | Klabis | 0–1 | Demuth | European Chess Club Cup 2023 | Modern Defense: Standard Defense | |
| Oct 5, 2023 | Demuth | ½–½ | Vallejo Pons | European Chess Club Cup 2023 | Dutch Defense: Classical Variation | |
| Oct 3, 2023 | Demuth | ½–½ | Volokitin | European Chess Club Cup 2023 | Queen's Gambit Declined: Ragozin Defense | |
| Apr 3, 2023 | Demuth | ½–½ | Cornette | Reykjavik Open 2023 | English Opening: Four Knights System, Nimzowitsch Variation | |
| Apr 2, 2023 | Sahithi | 0–1 | Demuth | Reykjavik Open 2023 | Sicilian Defense: Sozin Attack, Main Line | |
| Apr 1, 2023 | Leonard | 0–1 | Demuth | Reykjavik Open 2023 | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Mar 31, 2023 | Demuth | ½–½ | Dhulipalla Bala Chandra Prasad | Reykjavik Open | King's Indian Attack | |
| Mar 30, 2023 | Demuth | 1–0 | Papp | Reykjavik Open 2023 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Mar 29, 2023 | Briem | 0–1 | Demuth | Reykjavik Open 2023 | Benko Gambit | |
| Aug 13, 2022 | Demuth | ½–½ | Bacrot | Championnat de France Albi 2022 | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Apr 6, 2022 | Demuth | ½–½ | Kalogeris | EICC 22 | King's Indian Attack | |
| Apr 5, 2022 | Wachinger | ½–½ | Demuth | European Championship | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Apr 4, 2022 | Demuth | 1–0 | Kenneskog | EICC 22 | Sicilian Defense: Lasker-Dunne Attack | |
| Apr 3, 2022 | Spalir | ½–½ | Demuth | EICC 22 | Queen's Pawn Game: Modern Defense | |
| Apr 2, 2022 | Demuth | ½–½ | Pasztor | EICC 22 | Queen's Gambit Declined: Charousek Variation | |
| Apr 2, 2022 | Levin | ½–½ | Demuth | EICC 22 | Zukertort Opening: Kingside Fianchetto | |
| Mar 30, 2022 | Demuth | 1–0 | Yordanov | EICC 22 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Mar 29, 2022 | Ponomariov | 1–0 | Demuth | EICC 22 | English Opening: King's English Variation, Botvinnik System | |
| Mar 28, 2022 | Demuth | ½–½ | Abasov | European Individual Chess Championship 2022 | Caro-Kann Defense: Exchange Variation | |
| Jul 13, 2021 | Demuth | * | Esplugas Esteve | 40th Benasque Open | ? | |
| Jul 12, 2021 | Alonso Garcia | * | Demuth | 40th Benasque Open | ? | |
| Jul 11, 2021 | Demuth | 0–1 | Nisipeanu | 40th Benasque Open | Zukertort Opening: Pirc Invitation | |
| Jul 10, 2021 | Demuth | 1–0 | Lagarde | 40th Benasque Open | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Jul 9, 2021 | Bayo Milagro | * | Demuth | 40th Benasque Open | ? | |