6 games · 2017–2026 · 1 classical · 4 online
Demchenko 50 draws1 Theodorou
83.3% for Demchenko
Openings between them
| C47 | Four Knights Game: Italian Variation | 2 | 100.0% |
| A46 | Indian Defense: Wade-Tartakower Defense | 1 | 0.0% |
| B51 | Sicilian Defense: Moscow Variation | 1 | 100.0% |
| C21 | Danish Gambit Declined: Sörensen Defense | 1 | 100.0% |
| E68 | King's Indian Defense: Fianchetto Variation, Long Variation | 1 | 100.0% |
All games
| Theodorou, Nikolas2639 | 1-0 | Demchenko, A2619 | Titled Tue 10th Feb 2026 | 2026 |
| Theodorou, Nikolas2611 | 0-1 | Demchenko, A2619 | Titled Tue 18th Feb Early | 2025 |
| Theodorou, Nikolas2567 | 0-1 | Demchenko, A2654 | Chess.com RCC Wk15 Swiss | 2022 |
| Demchenko, A2654 | 1-0 | Theodorou, Nikolas2577 | Titled Tuesday 4th Jan | 2022 |
| Theodorou, Nikolas2577 | 0-1 | Demchenko, A2654 | World Blitz 2021 | 2021 |
| Demchenko, A2629 | 1-0 | Theodorou, Nikolas2495 | 18th ch-EUR Indiv 2017 | 2017 |