| 8 jul 2026 | Klys, Kacper 2178 | Chval, Zdenek 2092 | 1-0 | E73 Defensa India de Rey: Semi-Averbakh System | FIDE OPEN QCC | 40 | Ver |
| 8 jul 2026 | Chval, Zdenek 2068 | Stinka, Jakub 2352 | 0-1 | B90 Defensa Siciliana: Scheveningen Variation, English Attack, with f3 | FIDE OPEN QCC | 22 | Ver |
| 7 jul 2026 | Chval, Zdenek 2092 | Chval, Zdenek 2068 | ½-½ | B90 Defensa Siciliana: Najdorf Variation | FIDE OPEN QCC | 5 | Ver |
| 6 jul 2026 | Jandacek, Krystof 2008 | Chval, Zdenek 2092 | 0-1 | A73 Defensa Benoni: Classical Variation, Main Line | FIDE OPEN QCC | 26 | Ver |
| 6 jul 2026 | Chval, Zdenek 2068 | Nagy, Ladislav 2181 | ½-½ | D56 Gambito de Dama rehusado: Lasker Defense, Teichmann Variation | FIDE OPEN QCC | 36 | Ver |
| 5 jul 2026 | Chval, Zdenek 2092 | Zrust, Lukas 2081 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, Lipnitsky Attack | FIDE OPEN QCC | 22 | Ver |
| 5 jul 2026 | Chval, Zdenek 2068 | Rybackova, Lucie 2154 | ½-½ | B39 Defensa Siciliana: Accelerated Dragon, Maróczy Bind, Breyer Variation | FIDE OPEN QCC | 44 | Ver |
| 30 jun 2026 | Sahidi, Samir 2484 | Chval, Zdenek 2068 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Lipnitsky Attack | FIDE OPEN QCC | 41 | Ver |