| Jul 23, 2026 | Berezovskii | 0–1 | Bucher | Round 10: Berezovskii, Arina - Bucher, Dominic | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Jul 22, 2026 | Bucher | 1–0 | Corbat | Round 9: Bucher, Dominic - Corbat, Philippe | Scandinavian Defense: Modern Variation | |
| Jul 21, 2026 | Yang | 1–0 | Bucher | Round 8: Yang, Sung-Jui - Bucher, Dominic | Semi-Slav Defense: Hastings Variation | |
| Jul 20, 2026 | Bucher | 1–0 | Carey | Round 7: Bucher, Dominic - Carey, Michael | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Jul 19, 2026 | Bucher | 0–1 | Jehnichen | Round 13: Bucher, Dominic - Jehnichen, Kai | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Jul 19, 2026 | Mikavica | 0–1 | Bucher | Round 12: Mikavica, Mirko - Bucher, Dominic | Semi-Slav Defense | |
| Jul 19, 2026 | Wilhelm | 0–1 | Bucher | Round 11: Wilhelm, Serge - Bucher, Dominic | King's Indian Attack, with e6 | |
| Jul 19, 2026 | Bucher | 0–1 | Garcia | Round 10: Bucher, Dominic - Garcia, Miguel | Alekhine Defense: Four Pawns Attack, Main Line | |
| Jul 19, 2026 | Bucher | 0–1 | Muncan | Round 8: Bucher, Dominic - Muncan, Vasa | Philidor Defense | |
| Jul 19, 2026 | Osmani | 1–0 | Bucher | Round 7: Osmani, Xhevdet - Bucher, Dominic | Queen's Pawn Game: London System | |
| Jul 19, 2026 | Bucher | 1–0 | Stevens | Round 6: Bucher, Dominic - Stevens, Christian | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 19, 2026 | Bucher | ½–½ | Pardoen | Round 4: Bucher, Dominic - Pardoen, Theodore | Italian Game: Two Knights Defense, Ulvestad Variation | |
| Jul 19, 2026 | Bucher | 0–1 | Marinkovic | Round 2: Bucher, Dominic - Marinkovic, Zoran | Sicilian Defense: Richter-Rauzer Variation | |
| Jul 19, 2026 | Aryan Mehta | 1–0 | Bucher | Round 1: Aryan Mehta - Bucher, Dominic | Slav Defense: Exchange Variation | |
| Jul 18, 2026 | von Burg | ½–½ | Bucher | Round 6: von Burg, Carl Alexander - Bucher, Dominic | French Defense: Advance Variation, Euwe Variation | |
| Jul 17, 2026 | Bucher | 0–1 | Scherler | Round 5: Bucher, Dominic - Scherler, Julius | Caro-Kann Defense: Advance Variation, Bayonet Attack | |
| Jul 16, 2026 | Fattori Dittmar | ½–½ | Bucher | Round 4: Fattori Dittmar, Luca - Bucher, Dominic | French Defense: Exchange Variation | |
| Jul 15, 2026 | Bucher | 1–0 | Joly | Round 3: Bucher, Dominic - Joly, Fabrice | Petrov's Defense: Modern Attack, Center Variation | |
| Jul 14, 2026 | Tan | 1–0 | Bucher | Round 2: Tan, Jimmy - Bucher, Dominic | Rapport-Jobava System | |
| Jul 13, 2026 | Bucher | 0–1 | Alexakis | Round 1: Bucher, Dominic - Alexakis, Dimitris | Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation | |
| May 24, 2026 | Bucher | ½–½ | Pellegrini | Swiss Youth Championship 2026 U16 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| May 24, 2026 | Angelovski | 0–1 | Bucher | Swiss Youth Championship 2026 U16 | Semi-Slav Defense: Normal Variation | |
| May 23, 2026 | Federer | 1–0 | Bucher | Swiss Youth Championship 2026 U16 | French Defense: Classical Variation, Burn Variation, Main Line | |
| May 23, 2026 | Bucher | 1–0 | Navarini | Swiss Youth Championship 2026 U16 | Sicilian Defense: Dragon Variation | |
| May 22, 2026 | Piacquadio | 1–0 | Bucher | Swiss Youth Championship 2026 U16 | Slav Defense: Quiet Variation, Schallopp Defense | |
| May 22, 2026 | Bucher | 1–0 | Gireada | Swiss Youth Championship 2026 U16 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| May 14, 2026 | Bucher | 0–1 | Rohrer | Round 2: Bucher, Dominic - Rohrer, Christophe | Italian Game: Giuoco Piano | |
| Mar 23, 2026 | Bucher | 0–1 | Kanana | Swiss Youth Championship 2026 U16 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| May 20, 2024 | Bucher | 0–1 | Prunescu | Pfingst Open Glarus | French Defense: King's Indian Attack | |
| May 19, 2024 | Phung | * | Bucher | Pfingst Open Glarus | ? | |
| May 18, 2024 | Bucher | ½–½ | Manukonda Arun | Pfingst Open Glarus | Sicilian Defense | |
| May 18, 2024 | Hug | * | Bucher | Pfingst Open Glarus | ? | |
| May 17, 2024 | Bucher | 0–1 | Habibi | Pfingst Open Glarus | Sicilian Defense | |
| May 17, 2024 | Bolliger | 0–1 | Bucher | Pfingst Open Glarus | Pirc Defense: Classical Variation | |
| — | Bucher | 0–1 | Edoecs | Pfingst Open Glarus | Sicilian Defense | |