Spassky won the Soviet Chess Championship twice outright (1961, 1973), and twice lost in playoffs (1956, 1963), after tying for first place during the event proper. He was a World Chess Championship candidate on seven occasions (1956, 1965, 1968, 1974, 1977, 1980 and 1985). In addition to his candidates wins in 1965 and 1968, Spassky reached the semi-final stage in 1974 and the final stage in 1977.