[1] Undrafted, Tolchinsky played with Krasnaya Armiya Moscow in the Minor Hockey League in Russia before opting to continue his junior career in North America with the Sault Ste.

Marie, Tolchinsky was signed to an amateur try-out contract with the Hurricanes AHL affiliate, the Charlotte Checkers to make his professional debut in a single game to end the year.

On May 7, 2018, with Tolchinsky not appearing in the post-season, the Checkers confirmed that he had left the team at his request and returned to Russia as an impending restricted free agent from the Hurricanes.

As the second placed Eastern conference team, Tolchinsky continued his standout play in the post-season with Avangard, leading the club with 20 points in 24 playoff games scoring.

[7] Following three seasons with Avangard Omsk, Tolchinsky left the club as a free agent and transferred to SKA Saint Petersburg, by signing a five-year contract through 2028 on 23 May 2023.