Oleksandr_Bortnyk
Unvanlı Oyuncu
Chess.com Antrenörü

🏆GRANDMASTER
🏆One of the best Bullet and Blitz player in the World pick Bullet rating 3367 Blitz 3083
🏆COACH, teacher🏆THE FOUNDER OF THE Bortnik Chess Academy , https://bortnikacademy.com
https://en.wikipedia.org/wiki/Olexandr_Bortnyk
https://www.twitch.tv/bortnyk_chess
https://discord.com/invite/b9DejnUQMx
https://www.youtube.com/c/bortnykchess96