Events in chess in 1970;
FIDE top 10 by Elo rating - 1970
Boris Vasilievich Spassky is a Russian 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 Vartanovich Petrosian was a Soviet Armenian Grandmaster, and 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 Latvian chess player and the eighth World Chess Champion. He is considered a creative genius within the game of chess and one of its best ever players. Tal played in an attacking and daring combinatorial style. His play was known above all for improvisation and unpredictability. It has been said that "Every game for him was as inimitable and invaluable as a poem". His nickname was "Misha", a diminutive for Mikhail, and he earned the nickname "The Magician from Riga". Both The Mammoth Book of the World's Greatest Chess Games and Modern Chess Brilliancies include more games by Tal than any other player. He also held the record for the longest unbeaten streak in competitive chess history with 95 games between 23 October 1973 and 16 October 1974, until Ding Liren's streak of 100 games between 9 August 2017 and 11 November 2018. In addition, Tal was a highly regarded chess writer.
Leonid Zakharovich 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 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 and Russian 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.
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.
Evgeni Andreyevich Vasiukov was a Russian chess player, one of the strongest in the world during his peak. He was awarded the title of Grandmaster by FIDE in 1961. During his career, he won the Moscow Championship on six occasions and scored numerous victories in international tournaments, such as Belgrade Open 1961, Moscow International 1961, East Berlin 1962, Reykjavik 1968, and Manila 1974. He was rarely at his best in Soviet Championship Finals, which were among the very toughest events in the world, and never made the Soviet team for an Olympiad or a European Team Championship. Vasiukov won the World Senior Chess Championship in 1995.
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 and writer. He is considered one of the strongest players never to have become World Chess Champion.