| Game | Result | Opening | Date |
|---|---|---|---|
| Demyanchuk, Sergey (1896) – Valente, Benjamim Viegas (1765) | 1-0 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | 2026-09-05 |
| Demyanchuk, Sergey (1896) – Dias, Jose Oliveira Gaspar (1612) | 1/2-1/2 | Owen Defense | 2026-09-04 |
| Fernandes, Rodrigo (1661) – Demyanchuk, Sergey (1896) | 0-1 | Italian Game: Classical Variation, Giuoco Pianissimo | 2026-09-04 |
| Izidoro, Klaus (1657) – Demyanchuk, Sergey (1896) | 1-0 | Queen's Gambit Declined: Anti-Tartakower Variation | 2026-09-03 |
| Demyanchuk, Sergey (1896) – Kolyvanov, Klim (1699) | 1/2-1/2 | Caro-Kann Defense: Tartakower Variation | 2026-09-02 |
| Manuel dos Santos, Fabio (1677) – Demyanchuk, Sergey (1931) | 1-0 | Italian Game: Classical Variation, Giuoco Pianissimo | 2026-07-26 |
| Demyanchuk, Sergey (1931) – Bittner, Titus (2085) | 0-1 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | 2026-07-22 |
| Demyanchuk, Sergey (1931) – Forgas Moreno, Yaniela (2237) | 0-1 | Modern Defense: Standard Line | 2026-07-21 |
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