Olexandr Bortnyk

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Olexandr Mykolayovych Bortnyk (Ukrainian: Олекса́ндр Микола́йович Бо́ртник; born 18 October 1996) is a Ukrainian chess player. He was awarded the Grandmaster title in 2015, at the age of 19. A former chess prodigy, Bortnyk is one of the highest rated online players in both Blitz and Bullet. In 2018, Bortnyk immigrated to the United States with his family and founded the Bortnik School of Chess. He has resided in Charlotte, North Carolina since 2022. Bortnyk has an older brother, Mykola Bortnyk, who holds the title of International Master. Bortnyk regularly streams on Twitch and uploads content on YouTube. He cowrote a PGN course on the Jobava London with the late Daniel Naroditsky and was co-writing a Chessable course on the King's Indian Defense with Naroditsky before his death. He stated on a later stream he would very likely continue it by annotating the text and recording the videos, as Naroditsky had already typed out all the moves. The course was released on Christmas Day 2025. Bortnyk collaborated with GM Kayden Troff to finish the course.