| Jul 23, 2026 | Materia | ½–½ | Stokes | Amateur Tournament (ATO) | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jul 22, 2026 | Novalic | 1–0 | Materia | Amateur Tournament (ATO) | Queen's Pawn Game: Symmetrical Variation | |
| Jul 21, 2026 | Materia | ½–½ | Aegerter | Amateur Tournament (ATO) | Neo-Grünfeld Defense: Classical Variation | |
| Jul 21, 2026 | Kutonov | 0–1 | Materia | Amateur Tournament (ATO) | Slav Defense: Quiet Variation | |
| Jul 19, 2026 | Filipovic | 1–0 | Materia | Round 13: Filipovic, Branko - Materia, Matteo | Queen's Pawn Game: London System | |
| Jul 19, 2026 | Materia | 0–1 | Schweizer | Round 12: Materia, Matteo - Schweizer, Samuel | Zukertort Opening: Kingside Fianchetto | |
| Jul 19, 2026 | Erne | 1–0 | Materia | Round 11: Erne, Raphael - Materia, Matteo | English Opening | |
| Jul 19, 2026 | Materia | 1–0 | Habibi | Round 10: Materia, Matteo - Habibi, Ali | Zukertort Opening: Sicilian Invitation | |
| Jul 19, 2026 | Rohrer | 0–1 | Materia | Round 9: Rohrer, Christophe - Materia, Matteo | Pirc Defense: Austrian Attack, Dragon Formation | |
| Jul 19, 2026 | Materia | 1–0 | Boner | Round 8: Materia, Matteo - Boner, Timm | Queen's Pawn Game: Chigorin Variation | |
| Jul 19, 2026 | Hirzel | 1–0 | Materia | Round 7: Hirzel, Robin - Materia, Matteo | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 19, 2026 | Materia | 0–1 | Haimovich | Round 6: Materia, Matteo - Haimovich, Tal | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 19, 2026 | Maruntis | ½–½ | Materia | Round 5: Maruntis, Patrik-Robert - Materia, Matteo | Elephant Gambit | |
| Jul 19, 2026 | Materia | 1–0 | Bajraktari | Round 4: Materia, Matteo - Bajraktari, Perparim | Indian Defense: Przepiorka Variation | |
| Jul 19, 2026 | Schreiber | 0–1 | Materia | Round 2: Schreiber, Edwin - Materia, Matteo | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 19, 2026 | Materia | 0–1 | Safarli | Round 1: Materia, Matteo - Safarli, Eltaj | Indian Defense: Przepiorka Variation | |
| Jul 18, 2026 | Materia | ½–½ | Trubini | Amateur Tournament (ATO) | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Jul 17, 2026 | Hashem | ½–½ | Materia | Amateur Tournament (ATO) | Indian Defense | |
| Jul 16, 2026 | Materia | 1–0 | Liengme | Amateur Tournament (ATO) | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 15, 2026 | Suwendo | 0–1 | Materia | Amateur Tournament (ATO) | Ponziani Opening: Jaenisch Counterattack | |
| Jul 15, 2026 | Materia | ½–½ | Pham Nguyen Thai An | Amateur Tournament (ATO) | Nimzo-Larsen Attack: Classical Variation | |
| Jul 12, 2026 | Materia | ½–½ | Haugner | Round 9: Materia, Matteo - Haugner, Jan | Nimzo-Larsen Attack: Classical Variation | |
| Jul 12, 2026 | Materia | 1–0 | De Gregorio | Round 8: Materia, Matteo - De Gregorio, Alexis | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 12, 2026 | Grimaldi | 0–1 | Materia | Round 7: Grimaldi, Francois-Xavier - Materia, Matteo | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 12, 2026 | Materia | 0–1 | El-Mais | Round 6: Materia, Matteo - El-Mais, Ibaa | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 12, 2026 | Mury | 0–1 | Materia | Round 5: Mury, Marie - Materia, Matteo | Scotch Game: Schmidt Variation | |
| Jul 12, 2026 | Materia | 0–1 | Erne | Round 4: Materia, Matteo - Erne, Raphael | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jul 12, 2026 | Cloete | 0–1 | Materia | Round 3: Cloete, Willem Francois - Materia, Matteo | Italian Game: Scotch Gambit, Anderssen Attack | |
| Jul 12, 2026 | Materia | 0–1 | Rohrer | Round 2: Materia, Matteo - Rohrer, Christophe | Zukertort Opening: Quiet System | |
| Jul 21, 2024 | Materia | 1–0 | Weidenbach | Biel Chess Festival BTZ | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 21, 2024 | Maier | 1–0 | Materia | Biel Chess Festival BTZ | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Jul 21, 2024 | Angst | 1–0 | Materia | Biel Chess Festival BTZ | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Jul 21, 2024 | Musaelyan | 0–1 | Materia | Biel Chess Festival BTZ | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 21, 2024 | Gemelli | ½–½ | Materia | Biel Chess Festival BTZ | Queen's Gambit Declined: Traditional Variation | |
| Jul 14, 2024 | Materia | 0–1 | Tahay | Biel Chess Festival RAP | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 14, 2024 | Materia | ½–½ | Kuhn | Biel Chess Festival RAP | Modern Defense: Standard Line | |
| Jul 14, 2024 | Materia | 1–0 | Kiss Balint | Biel Chess Festival RAP | Sicilian Defense: Alapin Variation | |
| Jul 14, 2024 | Materia | 0–1 | Marinkovic | Biel Chess Festival RAP | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jul 14, 2024 | Materia | ½–½ | Vincenti | Biel Chess Festival RAP | French Defense: Exchange Variation | |
| Jul 14, 2024 | Jordan | 0–1 | Materia | Biel Chess Festival RAP | Ruy Lopez: Closed, Bogoljubow Variation | |
| Jul 14, 2024 | Harish | 1–0 | Materia | Biel Chess Festival RAP | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Jul 14, 2024 | Pappier | ½–½ | Materia | Biel Chess Festival RAP | Queen's Gambit Declined | |
| Jul 14, 2024 | Boyer | 0–1 | Materia | Biel Chess Festival RAP | Scotch Game: Schmidt Variation | |
| — | Geweniger | 1–0 | Materia | Round 4: Geweniger, Tim - Materia, Matteo | Queen's Gambit Declined: Exchange Variation, Positional Variation | |