Khanin began playing chess at the age of 5, and won multiple Russian Youth Championships.
In January 2019, Khanin took the lead at the sixth round of the Moscow Open.
In September 2020, Khanin (then an International Master) won the Panchenko Memorial on tiebreaks ahead of grandmasters Dmitry Kokarev and Maksim Chigaev.
[5] In 2022, Khanin was a joint winner of the World Open chess tournament.
[2] Khanin studied at Texas Tech University and played on their chess team.