Sergey Demyanchuk
Country
POR
Birth Year
1974
Gender
M
Title
FIDE ID
1937251
FIDE rating history
View rating lists
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-03 (UTC).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-09-05 | Portuguese National Amateur Championship 2025-26 | Maia, Portugal | 6.5 | Goncalves, Antonio Guilherme | Demyanchuk, Sergey | 1/2-1/2 | 73 | Open 🎥 |
| 2 | 2026-09-05 | Portuguese National Amateur Championship 2025-26 | Maia, Portugal | 5.8 | Demyanchuk, Sergey | Valente, Benjamim Viegas | 1-0 | 74 | Open 🎥 |
| 3 | 2026-09-04 | Portuguese National Amateur Championship 2025-26 | Maia, Portugal | 4.1 | Fernandes, Rodrigo | Demyanchuk, Sergey | 0-1 | 45 | Open 🎥 |
| 4 | 2026-09-04 | Portuguese National Amateur Championship 2025-26 | Maia, Portugal | 3.11 | Demyanchuk, Sergey | Dias, Jose Oliveira Gaspar | 1/2-1/2 | 71 | Open 🎥 |
| 5 | 2026-09-03 | Portuguese National Amateur Championship 2025-26 | Maia, Portugal | 2.9 | Izidoro, Klaus | Demyanchuk, Sergey | 1-0 | 43 | Open 🎥 |
| 6 | 2026-09-02 | Portuguese National Amateur Championship 2025-26 | Maia, Portugal | 1.5 | Demyanchuk, Sergey | Kolyvanov, Klim | 1/2-1/2 | 54 | Open 🎥 |
| 7 | 2026-07-26 | 13th Famalicao Open 2026 | Vila Nova de Famalicao POR | 9.18 | Manuel dos Santos,Fabio | Demyanchuk,Sergey | 1-0 | 58 | Open |
| 8 | 2026-07-22 | 13th Famalicao Open 2026 | Vila Nova de Famalicao POR | 4.14 | Demyanchuk,Sergey | Bittner,Titus | 0-1 | 45 | Open |
| 9 | 2026-07-21 | 13th Famalicao Open 2026 | Vila Nova de Famalicao POR | 2.8 | Demyanchuk,Sergey | Forgas Moreno,Y | 0-1 | 47 | Open |
| 10 | 2025-07-26 | 12th Famalicao Open 2025 | Vila Nova de Famalicao POR | 8.11 | Sergey Demyanchuk | Paulo Pinho | 0-1 | 41 | Open |
| 11 | 2025-07-22 | 12th Famalicao Open 2025 | Vila Nova de Famalicao POR | 2.5 | Sergey Demyanchuk | Irakli Akhvlediani | 0-1 | 58 | Open |
| 12 | 2024-07-24 | 11th Famalicao Open 2024 | Vila Nova de Famalicao POR | 3.1 | Yaniela Forgas Moreno | Sergey Demyanchuk | 1-0 | 57 | Open |
| 13 | 2021-08-24 | Guimaraes Open 2021 | Guimaraes POR | 1.9 | Stamatis Kourkoulos-Arditis | Sergey Demyanchuk | 1-0 | 51 | Open |
| 14 | 2021-07-27 | 8th Famalicao Open 2021 | Vila Nova de Famalicao POR | 4.13 | Guilherme Deola Borges | Sergey Demyanchuk | 1-0 | 58 | Open |
| 15 | 2021-07-26 | 8th Famalicao Open 2021 | Vila Nova de Famalicao POR | 2.11 | Jose Barria | Sergey Demyanchuk | 1-0 | 47 | Open |
| 16 | 2019-07-31 | 7th Famalicao Open 2019 | Vila Nova de Famalicao POR | 6.12 | Sergey Demyanchuk | Antonio Fernandes | 0-1 | 69 | Open |
| 17 | 2019-07-30 | 7th Famalicao Open 2019 | Vila Nova de Famalicao POR | 4.12 | Jose Barria | Sergey Demyanchuk | 1-0 | 37 | Open |
| 18 | 2018-08-04 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 9.11 | Joao Leonardo | Sergey Demyanchuk | 1-0 | 77 | Open |
| 19 | 2018-08-03 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 8.14 | Sergey Demyanchuk | Miguel A. Murtinho Fernandes | 1-0 | 54 | Open |
| 20 | 2018-08-02 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 7.9 | Paulo Pinho | Sergey Demyanchuk | 1-0 | 45 | Open |
| 21 | 2018-08-01 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 6.11 | Sergey Demyanchuk | Jose Padeiro | 1-0 | 83 | Open |
| 22 | 2018-08-01 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 5.19 | Ruben Marrios | Sergey Demyanchuk | 0-1 | 24 | Open |
| 23 | 2018-07-31 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 4.9 | Sergey Demyanchuk | Pedro Filipe Rego | 0-1 | 30 | Open |
| 24 | 2018-07-30 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 3.16 | Guilherme Magalhaes | Sergey Demyanchuk | 0-1 | 35 | Open |
| 25 | 2018-07-30 | 6th Famalicao Open 2018 | Vila Nova de Famalicao POR | 2.27 | Sergey Demyanchuk | Guilherme Castro Filipe | 1-0 | 36 | Open |
| 26 | 2017-05-27 | 39th Portuguese Cup | Portugal POR | 3.1 | Sergey Demyanchuk | Peter Lombaers | 0-1 | 34 | Open |
| 27 | 2016-05-01 | 38th Portuguese Cup | Portugal POR | 4.2 | Sergey Demyanchuk | Jorge Viterbo Ferreira | 0-1 | 66 | Open |
| 28 | 2016-04-30 | 38th Portuguese Cup | Portugal POR | 3.1 | Gustavo Pires | Sergey Demyanchuk | 1/2-1/2 | 62 | Open |
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