| Game | Result | Opening | Date |
|---|---|---|---|
| Benci, Jozef (2169) – Koska, Jiri (2035) | 1/2-1/2 | English Orangutan | 2026-07-17 |
| Koska, Jiri (2035) – Mandak, Miroslav (1900) | 1-0 | King's Indian Attack | 2026-07-16 |
| Janousek, Petr (2106) – Koska, Jiri (2035) | 1-0 | King's Indian Attack: Sicilian Variation | 2026-07-15 |
| Stanko, Ivan (1827) – Koska, Jiri (2035) | 0-1 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 2026-07-14 |
| Koska, Jiri (2035) – Ruggiero, Chance Timothy (1817) | 1-0 | English Opening: Symmetrical Variation, Fianchetto Variation | 2026-07-13 |
| Skyba, Andrej (1868) – Koska, Jiri (2035) | 1-0 | Scandinavian Defense: Classical Variation | 2026-07-12 |
| Koska, Jiri (2035) – Jares, Michal (2310) | 0-1 | English Opening: Symmetrical Variation, Three Knights Variation | 2026-07-11 |
| Lenartova, Klara (1602) – Koska, Jiri (2035) | 0-1 | French Defense: Exchange Variation | 2026-07-10 |
| Lenartova, Klara (1602) – Koska, Jiri (2035) | 0-1 | French Defense: Exchange Variation | 2026-07-10 |
| Koska, Jiri (2035) – Kollarik, Gorazd (1726) | 1-0 | English Opening: Symmetrical Variation, Fianchetto Variation | 2026-07-09 |
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