World Chess Championship 1957 - Wikipedia

Viktor Gavrikov Biography - Lithuanian-Swiss chess player (1957–2016)

World Chess Championship 1957 - Wikipedia

The chess games of Carel van den Berg

From Steinitz to Carlsen & Ding Liren: Tracing the History of the World Chess Championship

List of World Chess Champions Facts for Kids

Grigory Levenfish (27 March 1889 - 9 February 1961): The Outsider of the Soviet Chess Champions

From Steinitz to Carlsen & Ding Liren: Tracing the History of the World Chess Championship

Facts and History Aound Game Of Chess for Chess Lovers

Jacqueline Piatigorsky: Patron, Player, Pioneer

Vasily Smyslov, PDF, World Chess Championships

Chess and Chess960 Wiki - Vasily Smyslov

The Fusion Race - Not Boring by Packy McCormick

After the win against Ding today, Giri has a rare feat of defeating two different world champions in the same year in classical chess. Who did it last time? : r/chess