Soviet chess Grandmaster who’s most widely known for coaching Globe Chess Champ Boris Spassky. He performed in his 1st Soviet Tournament at age 22. He excelled both in over-the-board chess and correspondence chess and he was one of the 27 players called International Grandmaster in 1950 by FIDE on its inaugural list once the title was initially introduced. He was created and elevated in Russia, the center from the Soviet Union. He coached Boris Spassky, who for a while was regarded as the top participant on the planet.