Chinakhov, 20, skated for Avangard Omsk in the Kontinental Hockey League in 2020-21 and registered 10 goals and seven assists for 17 points with six penalty minutes, six power play goals and 60 shots on goal, while averaging 14:00 of ice time in 32 regular season games. He led all KHL players 20 years or younger in points-per-game (0.53) and goals (tied) and ranked second in assists (tied) and points. He added 5-2-7 and 24 penalty minutes in 21 playoff games to help the club win the 2021 Gagarin Cup.
The Omsk, Russia native notched 36-54-90 with 22 penalty minutes and a cumulative +52 plus/minus rating in 97 career outings with Omskie Yastreby in Russia's junior league (MHL) from 2017-20. The 6-0, 178-pound winger posted 1-0-1 in five outings for Russia at the 2021 IIHF World Junior Championships and helped the country capture a silver medal at the 2019 IIHF U18 World Championships with 2-1-3 and four penalty minutes in seven appearances.