Original: Tal played in 21 Soviet Championships , Including the 1983 final when Tal had to withdraw after five games winning it a record six times ( 1957 , 1958 , 1967 , 1972 , 1974 , 1978 ) , a number only equalled by Botvinnik .
Simplified: Tal played in 21 Soviet championships , winning it six times , a record only equalled by Botvinnik .