MOSCOW, September 28 - RAPSI. Boris Spassky Jr., the son of famous Russian chess-player Boris Spassky, has filed a claim against several unidentified individuals in a French court over his father's alleged kidnapping, the Figaro newspaper reports on its website.

In mid-August this year, the Russian media reported that Spassky had been hospitalized in a Moscow medical institution. In 2010, the renowned grandmaster had suffered a stroke. He was first treated at a Moscow hospital, but his family then had him transferred to a hospital in France.

In an interview with a Russian publication, which Spassky Jr. claims was made up, his father is quoted as saying he had been "isolated" in France since 2010 and could not go to police, while his relatives gave him large quantities of sedatives which led to skin diseases. The chess-player also said he had been deprived of both his Russian and his French documents, but with the help of his friends and the Russian embassy, he had managed to fly home this August.

However, Spassky's son gives a different account of the events in the Figaro interview. He said that a woman named Valentina Kuznetsova came to visit his father at the French hospital. She had an aggressive manner and stopped the family members from talking with Spassky in private. She was also extremely offensive towards them. Some time after Spassky came home from the hospital, he disappeared without a trace.

Three weeks after his father's disappearance, Spassky Jr. learnt that he was in a Moscow hospital and was being attended by Kuznetsova.

Boris Spassky was born on January 30, 1937 in Leningrad. He learnt to play chess at the age of five in the Urals, where his family was evacuated during WWII.

He won the World Junior Chess Championship in 1955 and became an International Master. Thus, at the age of 18, he became the youngest ever grandmaster. He won over 20 international tournaments during his career.

After he married Marina Shcherbachyova in 1976, he relocated to France, while still maintaining the right to play for the USSR.