Today, 47 years ago, on October 19, 1978 (National Calendar, September 18, 1978), Kalpov defeated the Chess World Championship of the United States in Ketsunovo. Kalpov focused on watching the chessboard On October 19, 1978, Anatoly-Kalpov of the Soviet Union defeated his national opponent Viktor-Ketsunovo to win the World Chess Championship. Kalpov, 27, defeated America's Bobby-Fischer three years ago to win the championship. When his opponent lost, Kalpov had been asleep, and he was quickly taken to a private villa to rest for a while before being interviewed by reporters. Ketsunovo was the first athlete to win six discs, and he was defeated in the 22nd match for three consecutive months, with a total of 21 squares.