Natan Sharansky and Technology. As a child, he was a chess prodigy. He performed in simultaneous and blindfold displays, usually against adults. At the age of 15, he won the championship in his native Donetsk. When incarcerated in solitary confinement, he claims to have maintained his sanity by playing chess against himself in his mind. Sharansky beat the world chess champion Garry Kasparov in a simultaneous exhibition in Israel in 1996. He took his current Hebrew name in 1986, when he was freed from Soviet incarceration as part of a prisoner exchange and received an Israeli passport with his new name. Natan
Natan Sharansky High treason carried the death penalty. The following year, in 1978, he was sentenced to 13 years of forced labor. Sharansky spent time in the Lefortovo Prison in Moscow, followed by Vladimir and Chistopol prisons, where for part of the time he was placed in solitary confinement. His health deteriorated, to the point of endangering his life. Later he was detained in Perm 35, a post-Stalin-Gulag-type so-called "strict regimen colony" in Perm Oblast. He kept himself sane during solitary confinement by playing chess with himself, in his head. Sharansky appeared in a March 1990 edition of "National Geographic" magazine. The