[2] In 2011, Bernadskiy won the 2nd Brno Open with a score of 8.5/9[3] In 2012, he tied first in the 11th Kesarovski-Stanchev Memorial with Petar Drenchev, Tamir Nabaty, Golubka Petr, Enchev Ivajlo, and Vasil Spasov.

[4] In 2013, he tied 2nd- 5th places in the Grand Europe Albena Open with Mircea-Emilian Parligras, Hrant Melkumyan, and Tamir Nabaty.

[5] In 2015, Bernadskiy tied first in the 14th Kesarovski-Stanchev Memorial with Vasil Spasov, Spas Kozhuharov, and Viacheslav Tilicheev.

[9] In March 2022, he won the Festival Primavera Cattolica tournament after a tie-break with Arseniy Nesterov, Marin Bosiocic, Emin Ohanyan, Evan Park, and Radoslav Dimitrov.

[10] Bernadskiy is ranked 313th chess player in the world, and 24th in Ukraine (as of October 2022)[2] His highest rating was 2636 in May 2022.