World Chess Championship 1957 - Wikipedia

Kasparov vs. Karpov World Chess Championship 1984

Vasily Smyslov, PDF, World Chess Championships

The chess games of Carel van den Berg

Why is chess grandmaster Veselin Topalov less respected than say Kramnik or Anand? - Quora

Yuri Averbakh - Wikipedia, PDF, Board Games

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

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

FIDE - International Chess Federation - The 6th World Champion Mikhail Moiseyevich Botvinnik was born on this day 110 years ago. He was World Champion from 1948 until 1963 (with brief intermissions)

The chess games of Samuel Zhukhovitsky

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

Jan Hein Donner

Remembering GM Harry Golombek OBE (01-iii-1911 07-i-1995) - British Chess News

World Chess Championship 1963 - Wikipedia

A History of Chess in Russia

Kasparov vs. Karpov World Chess Championship 1984