9 games · 2020–2026 · 2 classical · 7 online
Demchenko 21 draws6 Kollars
27.8% for Demchenko
Openings between them
| C50 | Italian Game: Giuoco Pianissimo, Normal | 2 | 0.0% |
| C55 | Italian Game: Two Knights Defense, Modern Bishop's Opening | 2 | 50.0% |
| A05 | King's Indian Attack: Symmetrical Defense | 1 | 0.0% |
| C41 | Philidor Defense: Lion Variation | 1 | 100.0% |
| C47 | Four Knights Game | 1 | 0.0% |
| C70 | Ruy Lopez: Morphy Defense, Cozio Defense | 1 | 0.0% |
| D02 | Queen's Pawn Game: London System, with e6 | 1 | 50.0% |
All games
| Kollars, Dmitrij2634 | 1-0 | Demchenko, A2611 | Titled Tue 2nd Jun 2026 | 2026 |
| Demchenko, A2612 | 1-0 | Kollars, Dmitrij2630 | 2nd 3-0 Thu 22nd Jan 2026 | 2026 |
| Kollars, Dmitrij2625 | 0-1 | Demchenko, A2619 | Titled Tue 20th May Late | 2025 |
| Kollars, Dmitrij2638 | 1-0 | Demchenko, A2619 | Titled Tue 10th Dec Early | 2024 |
| Demchenko, A2609 | 0-1 | Kollars, Dmitrij2648 | Chess.com Classic Play-In | 2024 |
| Kollars, Dmitrij2628 | 1-0 | Demchenko, A2619 | Titled Tue 29th Aug Late | 2023 |
| Kollars, Dmitrij2643 | 1-0 | Demchenko, A2654 | 15th Teplice Open 2022 | 2022 |
| Demchenko, A2651 | 0-1 | Kollars, Dmitrij2621 | FIDE Grand Swiss 2021 | 2021 |
| Demchenko, A2641 | ½-½ | Kollars, Dmitrij2586 | Titled Tuesday 9th June | 2020 |