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.
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".
Mikhail Moiseyevich Botvinnik was a Soviet and Russian chess grandmaster who held five world titles in three different reigns. The sixth World Chess Champion, he also worked as an electrical engineer and computer scientist and was a pioneer in computer chess. He also had a mathematics degree (honorary).
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.
Isaac Yefremovich Boleslavsky was a Soviet chess player and writer.
Lev Abramovich Polugaevsky was a Soviet chess player. He was awarded the title of International Grandmaster by FIDE in 1962 and was a frequent contender for the World Championship, although he never achieved that title. He was one of the strongest players in the world from the early 1960s until the late 1980s, as well as a distinguished author and opening theorist whose contributions in this field remain important to the present day.
Alexander Koblencs was a Latvian chess master, trainer, and writer. He is best known as the trainer of the 1960-61 World Champion Mikhail Tal.
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.
Igor Platonov was a Soviet Ukrainian chess player. He was active between 1958 and 1984, with his best years from 1967 to 1972, when he earned the title of Grandmaster of the Soviet Union. He was the only player to obtain the Title of Soviet Grandmaster not to obtain the International Grandmaster title. Top tournament results included a tie for first in the Kiev Championship of 1963, a tied 3rd-4th place in the very strong 1964 Trade Union Championship, a tied 7th-9th place in the 1969 Soviet Zonal at Moscow, and 2nd place in the José Raúl Capablanca Memorial tournament, Cienfuegos 1972. He played in five straight Soviet finals from 1967 to 1971. After his active career, he became a chess trainer.
The World Blitz Chess Championship is a chess tournament held to determine the world champion in chess played under blitz time controls. Since 2012, FIDE has held an annual joint rapid and blitz chess tournament and billed it as the World Rapid & Blitz Chess Championships. The current world blitz champion is the Norwegian Grandmaster Magnus Carlsen. Valentina Gunina from Russia is the current women's blitz world champion. Magnus Carlsen has won the event a record seven times.
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.
Josif Israel Zilber is a Latvian chess player who won the Latvian Chess Championship in 1958.
Kārlis Klāsups was a Latvian chess master who won Latvian Chess Championship in 1959.
Hillar Kärner was an Estonian chess player who won the Estonian Chess Championship seven times. He received the FIDE title of International Master (IM) in 1980.
The 1956 Soviet Chess Championship was the 23rd edition of USSR Chess Championship. Held from 10 January to 15 February 1956 in Leningrad. The tournament was won by Mark Taimanov who defeats Boris Spassky and Yuri Averbakh in a play-off. The final were preceded by semifinals events at Leningrad, Moscow and Riga.This edition marked the debut of the future world champion Mikhail Tal, often described as the magician from Riga, who demonstrated his over-adventurous tactical style, notably in the third round against Simagin, who had the honor to be one of the first to wonder about the soundness of the piece sacrifice that had defeated him.
The 1958 Soviet Chess Championship was the 25th edition of USSR Chess Championship, held from 12 January to 14 February 1958 in Riga. The tournament was won by Mikhail Tal. The final was preceded by quarterfinals events at Tbilisi, Minsk and Ashkhabad ; semifinals at Leningrad, Sverdlovsk and Kiev.
The 1967 Soviet Chess Championship was the 35th edition of USSR Chess Championship. Held from 7 December to 26 December 1967 in Tbilisi. The tournament was won by Lev Polugaevsky and Mikhail Tal. For the first time the Soviet Chess Championship was played on a Swiss system organized as a 13 round tournament for 130 players.
