| — | Demchenko | 1–0 | Esipenko | WRBC 2022. Rapid Open | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Le | 1–0 | Demchenko | WRBC 2022. Rapid Open | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| — | Petrov | ½–½ | Demchenko | WRBC 2022. Rapid Open | Trompowsky Attack | |
| Jun 8, 2026 | Demchenko | 0–1 | Aradhya | Round 6: Demchenko, Anton - Aradhya, Garg | Nimzo-Larsen Attack: Classical Variation | |
| Jun 7, 2026 | Demchenko | 0–1 | Rozum | Round 5: Demchenko, Anton - Rozum, Ivan | Caro-Kann Defense: Two Knights Attack | |
| Jun 6, 2026 | Bayantas | 0–1 | Demchenko | Round 4: Bayantas, Asman - Demchenko, Anton | Benoni Defense: Fianchetto Variation | |
| Jun 5, 2026 | Demchenko | ½–½ | Faizrakhmanov | Round 3: Demchenko, Anton - Faizrakhmanov, Ramil | Sicilian Defense: Najdorf Variation | |
| Jun 4, 2026 | Kudaibergen | ½–½ | Demchenko | Round 2: Kudaibergen, Nurlykhan - Demchenko, Anton | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 3, 2026 | Demchenko | ½–½ | Assylov | Round 1: Demchenko, Anton - Assylov, Miras | Indian Defense: London System | |
| Apr 19, 2026 | Bodrogi | ½–½ | Demchenko | EICC 2026 | King's Indian Attack: Symmetrical Defense | |
| Apr 18, 2026 | Demchenko | 1–0 | Zakin | EICC 2026 | Queen's Pawn Game: London System | |
| Apr 16, 2026 | Musial | 0–1 | Demchenko | EICC 2026 | Sicilian Defense: Kalashnikov Variation | |
| Apr 15, 2026 | Demchenko | 0–1 | Maltsevskaya | EICC 2026 | Sicilian Defense: Venice Attack | |
| Apr 14, 2026 | Balacek | ½–½ | Demchenko | EICC 2026 | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Apr 13, 2026 | Demchenko | 1–0 | Fruebing | EICC 2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 12, 2026 | Cukrowski | 1–0 | Demchenko | EICC 2026 | Dutch Defense: Rubinstein Variation | |
| Apr 10, 2026 | Demchenko | ½–½ | Kanov | EICC 2026 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 9, 2026 | Jakubowski | ½–½ | Demchenko | EICC 2026 | English Opening: King's English Variation | |
| Apr 8, 2026 | Demchenko | ½–½ | Makkar | EICC 2026 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 7, 2026 | Bendayan Claros | 0–1 | Demchenko | EICC 2026 | East Indian Defense | |
| Mar 8, 2026 | Demchenko | 1–0 | Heberla | Rond 9: Demchenko, Anton - Heberla, Bartlomiej | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Mar 7, 2026 | Demchenko | 1–0 | Sivuk | Rond 8: Demchenko, Anton - Sivuk, Vitaly | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Mar 6, 2026 | Demchenko | 1–0 | Solodovnichenko | Rond 7: Demchenko, Anton - Solodovnichenko, Yuri | Petrov's Defense: Classical Attack, Mason-Showalter Variation | |
| Jan 18, 2026 | Amin | ½–½ | Demchenko | Rond 6: Amin, Bassem - Demchenko, Anton | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jan 17, 2026 | Westerberg | 0–1 | Demchenko | Rond 5: Westerberg, Jonathan - Demchenko, Anton | Indian Defense: Wade-Tartakower Defense | |
| Jan 16, 2026 | Demchenko | ½–½ | Seo | Rond 4: Demchenko, Anton - Seo, Jung Min | Italian Game: Giuoco Pianissimo, Normal | |
| Jan 5, 2026 | Demchenko | ½–½ | Heberla | Round 9: Demchenko, Anton - Heberla, Bartlomiej | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 4, 2026 | Li | ½–½ | Demchenko | Round 8: Li, Di - Demchenko, Anton | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| Jan 3, 2026 | Demchenko | 1–0 | Meshkovs | Round 7: Demchenko, Anton - Meshkovs, Nikita | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jan 2, 2026 | Dotzer | 0–1 | Demchenko | Round 6: Dotzer, Lukas - Demchenko, Anton | Philidor Defense: Lion Variation | |
| Dec 30, 2025 | Jain Kashish Manoj | 0–1 | Demchenko | Round 4: Jain Kashish Manoj - Demchenko, Anton | Italian Game: Paris Defense | |
| Dec 29, 2025 | Demchenko | 1–0 | Goh | Round 3: Demchenko, Anton - Goh, Zi Han | Modern Defense | |
| Dec 23, 2025 | Demchenko | ½–½ | Xu | Round 5: Demchenko, Anton - Xu, Xiangyu | Sicilian Defense: Moscow Variation, Main Line | |
| Dec 23, 2025 | Falkevall | ½–½ | Demchenko | Round 2: Falkevall, Axel - Demchenko, Anton | King's Indian Defense: Normal Variation, Rare Defenses | |
| Dec 23, 2025 | Demchenko | 1–0 | Vijayakumar | Round 1: Demchenko, Anton - Vijayakumar, Rishi | Italian Game: Giuoco Pianissimo, Normal | |
| Dec 4, 2025 | Santos Latasa | ½–½ | Demchenko | Icelandic team chess championship premier league | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 4, 2025 | Bocharov | ½–½ | Demchenko | Round 11: Bocharov, Dmitry - Demchenko, Anton | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Dec 4, 2025 | Demchenko | ½–½ | Aditya Mittal | Round 10: Demchenko, Anton - Aditya Mittal | Sicilian Defense: French Variation | |
| Dec 4, 2025 | Sjugirov | ½–½ | Demchenko | Round 9: Sjugirov, Sanan - Demchenko, Anton | King's Indian Defense: Fianchetto Variation, Long Variation | |
| Dec 4, 2025 | Demchenko | ½–½ | Sethuraman | Round 8: Demchenko, Anton - Sethuraman, S.P. | Sicilian Defense: Modern Variations | |
| Dec 4, 2025 | Tsydypov | 0–1 | Demchenko | Round 6: Tsydypov, Zhamsaran - Demchenko, Anton | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 4, 2025 | Demchenko | ½–½ | Sapenov | Round 5: Demchenko, Anton - Sapenov, Daniyal | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Dec 4, 2025 | Nogerbek | ½–½ | Demchenko | Round 4: Nogerbek, Kazybek - Demchenko, Anton | Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line | |
| Dec 4, 2025 | Demchenko | 0–1 | Makhnev | Round 3: Demchenko, Anton - Makhnev, Denis | Rapport-Jobava System | |
| Dec 3, 2025 | Kazhgaleyev | ½–½ | Demchenko | Round 2: Kazhgaleyev, Murtas - Demchenko, Anton | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 2, 2025 | Demchenko | 0–1 | Hakobyan | Round 1: Demchenko, Anton - Hakobyan, Aram | King's Indian Attack | |
| Dec 1, 2025 | Demchenko | ½–½ | Grebnev | Round 7: Demchenko, Anton - Grebnev, Aleksey | Petrov's Defense: Nimzowitsch Attack | |
| Nov 30, 2025 | Demchenko | 1–0 | Akesson | Rond 3: Demchenko, Anton - Akesson, Ralf | Sicilian Defense: Taimanov Variation | |
| Nov 28, 2025 | Demchenko | 0–1 | Kucuksari | Rond 1: Demchenko, Anton - Kucuksari, Kaan | Caro-Kann Defense: Exchange Variation | |
| Nov 27, 2025 | Garriga Cazorla | 0–1 | Demchenko | Rond 2: Garriga Cazorla, Pere - Demchenko, Anton | King's Indian Defense: Four Pawns Attack, Dynamic Attack | |
| Nov 14, 2025 | Harvey | ½–½ | Demchenko | Icelandic team chess championship premier league | Hungarian Opening: Symmetrical Variation | |
| Nov 14, 2025 | Demchenko | ½–½ | Stefansson | Icelandic team chess championship premier league | Pirc Defense | |
| Nov 14, 2025 | Kazakouski | ½–½ | Demchenko | Icelandic team chess championship premier league | Queen's Gambit Declined: Three Knights Variation | |
| Nov 14, 2025 | Demchenko | 1–0 | Kjartansson | Icelandic team chess championship premier league | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Oct 14, 2025 | Stremavicius | 1–0 | Demchenko | Round 9: Stremavicius, Titas - Demchenko, Anton | East Indian Defense | |
| Oct 13, 2025 | Gazik | ½–½ | Demchenko | Round 8: Gazik, Viktor - Demchenko, Anton | Scotch Game: Classical Variation, Millennium Variation | |
| Oct 12, 2025 | Demchenko | ½–½ | Kacharava | Round 7: Demchenko, Anton - Kacharava, Nikolozi | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 10, 2025 | Yilmaz | ½–½ | Demchenko | Round 6: Yilmaz, Mustafa - Demchenko, Anton | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| Oct 9, 2025 | Demchenko | ½–½ | Leko | Round 5: Demchenko, Anton - Leko, Peter | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 8, 2025 | Demchenko | ½–½ | Petrov | Round 4: Demchenko, Anton - Petrov, Martin | Sicilian Defense: Najdorf Variation | |
| Oct 7, 2025 | Papaioannou | ½–½ | Demchenko | Round 3: Papaioannou, Ioannis - Demchenko, Anton | East Indian Defense | |
| Oct 6, 2025 | Andersen | 0–1 | Demchenko | Round 2: Andersen, Mads - Demchenko, Anton | King's Indian Defense: Orthodox Variation | |
| Oct 5, 2025 | Demchenko | ½–½ | Sipila | Round 1: Demchenko, Anton - Sipila, Vilka | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Sep 27, 2025 | Tisaj | 0–1 | Demchenko | Round 5: Tisaj, Domen - Demchenko, Anton | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Sep 21, 2025 | Zorko | 0–1 | Demchenko | Državna clanska liga za leto 2025 | East Indian Defense | |
| Sep 20, 2025 | Demchenko | ½–½ | Ghazarian | Round 2: Demchenko, Anton - Ghazarian, Kirk | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Sep 19, 2025 | Demchenko | 1–0 | Ragger | Round 1: Demchenko, Anton - Ragger, Markus | English Opening: Agincourt Defense | |
| Sep 19, 2025 | Roshka | 0–1 | Demchenko | Round 6: Roshka, Yevgeniy - Demchenko, Anton | King's Indian Defense: Makogonov Variation | |
| Sep 15, 2025 | Demchenko | ½–½ | Aronian | FIDE Grand Swiss 2025 | French Defense: Advance Variation, Lputian Variation | |
| Sep 14, 2025 | Demchenko | 0–1 | Sadhwani | FIDE Grand Swiss 2025 | Nimzo-Larsen Attack: Classical Variation | |
| Sep 13, 2025 | Yakubboev | 1–0 | Demchenko | FIDE Grand Swiss 2025 | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Sep 12, 2025 | Demchenko | 1–0 | Gelfand | FIDE Grand Swiss 2025 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Sep 11, 2025 | Robson | ½–½ | Demchenko | FIDE Grand Swiss 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 9, 2025 | Demchenko | 0–1 | Vidit | FIDE Grand Swiss 2025 | Nimzo-Larsen Attack: Classical Variation | |
| Sep 8, 2025 | Niemann | ½–½ | Demchenko | FIDE Grand Swiss 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 7, 2025 | Demchenko | ½–½ | Mamedyarov | FIDE Grand Swiss 2025 | Indian Defense | |
| Sep 6, 2025 | Erigaisi Arjun | 1–0 | Demchenko | FIDE Grand Swiss 2025 | Petrov's Defense: Classical Attack | |
| Sep 5, 2025 | Demchenko | 1–0 | Shankland | FIDE Grand Swiss 2025 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Sep 4, 2025 | Harikrishna | 0–1 | Demchenko | FIDE Grand Swiss 2025 | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| Jul 28, 2025 | Agmanov | 0–1 | Demchenko | Round 8: Agmanov, Zhandos - Demchenko, Anton | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 27, 2025 | Demchenko | 1–0 | Bocharov | Round 7: Demchenko, Anton - Bocharov, Dmitry | Sicilian Defense: Najdorf Variation | |
| Jul 26, 2025 | Uskov | ½–½ | Demchenko | Round 6: Uskov, Artem - Demchenko, Anton | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jul 25, 2025 | Demchenko | 1–0 | Ansat | Round 5: Demchenko, Anton - Ansat, Aldiyar | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 24, 2025 | Gan-Erdene | 0–1 | Demchenko | Round 4: Gan-Erdene, Sugar - Demchenko, Anton | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jul 23, 2025 | Demchenko | 1–0 | Ravi | Round 3: Demchenko, Anton - Ravi, Teja S. | Caro-Kann Defense: Endgame Offer | |
| Jul 22, 2025 | Moldagali | ½–½ | Demchenko | Round 2: Moldagali, Beksultan - Demchenko, Anton | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 21, 2025 | Demchenko | 0–1 | Ayush Sharma | Round 1: Demchenko, Anton - Ayush Sharma | Indian Defense: London System | |
| Jul 20, 2025 | Demchenko | 0–1 | Rapport | Round 9: Demchenko, Anton - Rapport, Richard | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 20, 2025 | Mushini Ajay | 0–1 | Demchenko | Round 9: Mushini Ajay - Demchenko, Anton | Ruy Lopez: Morphy Defense, Duras Variation | |
| Jun 20, 2025 | Demchenko | 1–0 | Drazic | Round 8: Demchenko, Anton - Drazic, Sinisa | French Defense: Advance Variation, Euwe Variation | |
| Jun 20, 2025 | Gaivoronskii | 0–1 | Demchenko | Round 7: Gaivoronskii, Andrei - Demchenko, Anton | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack | |
| Jun 20, 2025 | Demchenko | 1–0 | Ljepic | Round 6: Demchenko, Anton - Ljepic, Andrej | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Jun 20, 2025 | Laurusas | ½–½ | Demchenko | Round 5: Laurusas, Tomas - Demchenko, Anton | King's Indian Defense: Exchange Variation | |
| Jun 20, 2025 | Demchenko | 1–0 | Shahil Dey | Round 4: Demchenko, Anton - Shahil Dey | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jun 20, 2025 | Filip | 0–1 | Demchenko | Round 3: Filip, Andrei - Demchenko, Anton | Modern Defense: Standard Defense | |
| Jun 20, 2025 | Demchenko | 1–0 | Kosanovic | Round 2: Demchenko, Anton - Kosanovic, Goran A | Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line | |
| Jun 20, 2025 | Popchev | 0–1 | Demchenko | Round 1: Popchev, Milko - Demchenko, Anton | Mieses Opening: Reversed Rat | |
| Jun 14, 2025 | Demchenko | 1–0 | Kostov | Round 9: Demchenko, Anton - Kostov, Deyan Samuil | Queen's Pawn Game: London System | |
| Jun 12, 2025 | Demchenko | 1–0 | Parvanyan | Round 7: Demchenko, Anton - Parvanyan, Ashot | French Defense: Advance Variation, Euwe Variation | |
| Jun 11, 2025 | Wong | ½–½ | Demchenko | Round 6: Wong, Jianwen - Demchenko, Anton | English Opening: King's English Variation, Reversed Closed Sicilian | |