Events in chess in 1970;
FIDE top 10 by Elo rating - 1970
United States 2720
Soviet Union 2670 Soviet Union 2670 Soviet Union 2660
Denmark 2650 Soviet Union 2650 Soviet Union 2640 Soviet Union 2640
Hungary 2630 Soviet Union 2620
Boris Vasilievich Spassky is a Russian and former Soviet chess grandmaster who was the tenth World Chess Champion, holding the title from 1969 to 1972. Spassky played three world championship matches: he lost to Tigran Petrosian in 1966; defeated Petrosian in 1969 to become world champion; then lost to Bobby Fischer in a famous match in 1972.
Tigran Vardani Petrosian was a Soviet-Armenian chess grandmaster and the ninth World Chess Champion from 1963 to 1969. He was nicknamed "Iron Tigran" due to his almost-impenetrable defensive playing style, which emphasized safety above all else. Petrosian is often credited with popularizing chess in Armenia.
Mikhail Nekhemyevich Tal was a Soviet and Latvian chess player and the eighth World Chess Champion. He is considered a creative genius and is widely regarded as one of the most influential players in chess history. Tal played in an attacking and daring combinatorial style. His play was known above all for improvisation and unpredictability. Vladislav Zubok said of him, "Every game for him was as inimitable and invaluable as a poem".
Paul Keres was an Estonian chess grandmaster and chess writer. He was among the world's top players from the mid-1930s to the mid-1960s, and narrowly missed a chance at a World Chess Championship match on five occasions. As Estonia was repeatedly invaded and occupied during World War II, Keres was forced by the circumstances to represent the Soviet Union and Nazi Germany (1941–44) in international tournaments.
Leonid Zakharovych Stein was a Soviet chess Grandmaster from Ukraine. He won three USSR Chess Championships in the 1960s, and was among the world's top ten players during that era.
Jørgen Bent Larsen was a Danish chess grandmaster and author. Known for his imaginative and unorthodox style of play, he was the second-strongest non-Soviet player, behind only Bobby Fischer, for much of the 1960s and 1970s. He is considered to be the strongest player born in Denmark and the strongest from Scandinavia until the emergence of Magnus Carlsen.
Mark Evgenievich Taimanov was one of the leading Soviet and Russian chess players, among the world's top 20 players from 1946 to 1971. A prolific chess author, Taimanov was awarded the title of Grandmaster in 1952 and in 1956 won the USSR Chess Championship. He was a World Championship Candidate in 1953 and 1971, and several opening variations are named after him. Taimanov was also a world-class concert pianist.
Efim Petrovich Geller was a Soviet chess player and world-class grandmaster at his peak. He won the Soviet Championship twice and was a Candidate for the World Championship on six occasions. He won four Ukrainian SSR Championship titles and shared first in the 1991 World Seniors' Championship, winning the title outright in 1992. His wife Oksana was a ballet dancer while his son Alexander was also a chess master. Geller was coach to World Champions Boris Spassky and Anatoly Karpov. He was also an author.
Lajos Portisch is a Hungarian chess Grandmaster, whose positional style earned him the nickname, the "Hungarian Botvinnik". One of the strongest non-Soviet players from the early 1960s into the late 1980s, he participated in twelve consecutive Interzonals from 1962 through 1993, qualifying for the World Chess Championship Candidates Cycle a total of eight times. Portisch set several all-time records in Chess Olympiads. In Hungarian Chess Championships, he either shared the title or won it outright a total of eight times. He won many strong international tournaments during his career. In 2004, Portisch was awarded the title of 'Nemzet Sportolója', Hungary's highest national sports achievement award.
Borislav Ivkov was a Serbian chess Grandmaster. He was a World championship candidate in 1965, and played in four more Interzonal tournaments, in 1967, 1970, 1973, and 1979.
There have been two chess matches featuring USSR vs. Rest of the World, in 1970 and 1984, and one match Russia vs. Rest of the World, in 2002. The USSR team won the first two matches and the "Rest of the World" team won the third match.
At the World Chess Championship 1963, Tigran Petrosian narrowly qualified to challenge Mikhail Botvinnik for the World Chess Championship, and then won the match to become the ninth World Chess Champion. The cycle is particularly remembered for the controversy surrounding the Candidates' Tournament at Curaçao in 1962, which resulted in FIDE changing the format of the Candidates Tournament to a series of knockout matches.
Events in chess in 1962:
Events in chess in 1969;
Events in chess in 1971;
Events in chess in 1972;
Events in chess in 1973:
Events in chess in 1974;
Events in chess in 1976;
Viktor Lvovich Korchnoi was a Soviet and Swiss chess grandmaster (GM) and chess writer. He is considered one of the strongest players never to have become World Chess Champion.
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