Remembered best for winning a prestigious 1967 chess tournament in Sochi, Russia, this Grandmaster competed against such chess greats as Boris Spassky and Vladimir Simagin. He also published a book titled Sacrifice in Chess.
He tied for third place at the 1962 Moscow Chess Championship.
His fans and fellow chess players nicknamed him "Prince."
He grew up in a Jewish family in Rostov-on-Don, Russia. He left his native country in 1975 and lived in Canada and Israel before ultimately settling in the United States.
At a high profile 1967 tournament, he and Nikolai Krogius tied for first place with several other renowned chess players.