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OlimpBase: Men's Chess Olympiads
Tigran Petrosian (17 June 1929 – 13 August 1984) was Grandmaster of chess (1952) and 9th World Chess Champion (1963), who was nicknamed "Iron Tigran" due to his playing style because of his almost impenetrable defence.
He became World Chess Champion in 1963 and held the title until 1969. He won the Soviet Championships of 1959, 1961, 1969, and 1975. He played for USSR in the Chess Olympiads of 1958, 1960, 1962, 1964, 1966, 1968, 1970, 1972 and 1974 and won nine team gold medals, one team silver medal, and six individual gold medals. Petrosian also played for USSR in every European Team Championship held while he was alive, a total of eight selections, from 1957 to 1983; he won eight team gold medals, and four board gold medals.
Other results include: =1st at Los Angeles 1963=; 2nd at Biel 1976; 1st at Lone Pine 1976; =1st at Rio de Janeiro 1979; 1st at Tallinn 1979; =2nd at Tilburg 1981.
There are two major opening systems named after him: the Petrosian Variation of the King's Indian Defence (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5) and the Petrosian System in the Queen's Indian Defence (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3).