Clash of Champions: Spassky vs. Petrosian

For the first time since Alekhine, there was a world champion not named "Botvinnik" who was also not merely renting the title for a year. The Armenian named Tigran Petrosian held the title of world champion, with his unusual, "left-handed" style of quiet positional play and sharp tactics. Petrosian's

Petrosian - Spassky World Championship Match 1969 - Chessentials

50 years ago, the USSR was battling the Rest of the World

Botvinnik versus Smyslov and Petrosian: Four World Chess Championship Matches - 1954, 1957, 1958 and 1963: Botvinnik, Mikhail, Soltis, Andy: 9789083347943: : Books

World Chess Championship 1972 - Wikipedia

Carlsen and Kasparov in clash of the GOATs

Former chess champion, Cold War icon Bobby Fischer, dead at 64, Local News

Mark Taimanov at 85

Tal, Petrosian, Spassky and Korchnoi A Chess Multibiography With 207 Games - Andrew Soltis PDF, PDF, Chess Grandmasters

Smyslov-Spassky (29th USSR-ch, Baku 1961), with annotations by Petrosian.

Carlsen Vs Karjakin World Chess Championship - Lev Alburt & Jon Crumiller (2017) PDF, PDF, World Chess Championships

Bobby Fischer Ties Match