Lev Abramovich Polugaevsky (1934-1995) was a Soviet International Grandmaster (1962) and one of the top 10 players in the 1970s. He won the USSR championship in 1967, 1968, and 1969. He played in 20 Soviet chess championships, and finished with a winning score in every one of them. He participated in five Candidates matches. He died in Paris and is in the same cemetery (Montparnasse) as the grave of Alekhine. The opening 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 is known as the Sicilian, Najdorf, Polugaevsky variation.