| 19 jul 2026 | Schweizer, Simon 2182 | Dietiker, Manuel 2002 | 1-0 | B47 Defensa Siciliana: Taimanov Variation, Bastrikov Variation | 59th Biel International Chess Festival 2026 | Open | Blitz (BTZ) | 39 | Ver |
| 19 jul 2026 | Dietiker, Manuel 2002 | Kelecevic, Nedeljko 2150 | 0-1 | C00 Defensa Francesa: Schlechter Variation | 59th Biel International Chess Festival 2026 | Open | Blitz (BTZ) | 9 | Ver |
| 19 jul 2026 | Dietiker, Manuel 2002 | Fernandes Barbosa Dos Santos, Gabriel 2167 | 0-1 | B76 Defensa Siciliana: Dragon Variation, Yugoslav Attack, Modern Line | 59th Biel International Chess Festival 2026 | Open | Blitz (BTZ) | 43 | Ver |
| 19 jul 2026 | Dietiker, Manuel 2002 | Gautier, Anand 2198 | 0-1 | B90 Defensa Siciliana: Najdorf Variation, Petronić Attack | 59th Biel International Chess Festival 2026 | Open | Blitz (BTZ) | 18 | Ver |
| 19 jul 2026 | Dietiker, Manuel 2002 | Thorfinnsson, Bjorn 2396 | 0-1 | C47 Apertura de los Cuatro Caballos: Scotch Variation, Belgrade Gambit | 59th Biel International Chess Festival 2026 | Open | Blitz (BTZ) | 11 | Ver |