USSR Chess Championship
The USSR Chess Championship was played from 1920 to 1991. Organized by the USSR [Chess Federation], it was the strongest national chess championship ever held, with eight world chess champions and four world championship finalists among its winners. It was held as a round-robin tournament with the exception of the 35th and 58th championships, which used the Swiss-system.
Most wins
- Six titles: Mikhail Botvinnik, Mikhail Tal
- Four titles: Tigran Petrosian, Viktor Korchnoi, Alexander Beliavsky
- Three titles: Paul Keres, Leonid Stein, Anatoly Karpov