Botvinnik - Petrosian World Championship Match 1963 - Chessentials

Botvinnik - Petrosian World Championship Match 1963. The clash of the Iron Tigran and the Patriarch which turned out to be Botvinnik's match.

History of the World Chess Championship - Chessentials

Tigran V Petrosian vs Mikhail Botvinnik World Championship Match (1963)

Petrosian - Spassky World Championship Match 1966 - Chessentials

Anand - Gelfand World Chess Championship 2012 - Chessentials

World Chess Championship 1963 - Wikipedia

Is Mikhail Botvinnik the bad guy of modern chess? - Chessentials

World Chess Championship History Archives - Page 3 of 5 - Chessentials

Anand - Topalov World Chess Championship 2010 - Chessentials

World Chess Championship 1963 - Wikipedia

The Petrosian-Spassky World Championship Match (Moscow, 1966), with annotations by Tal, Boleslavsky, Bondarevsky, etc.

Tigran V Petrosian vs Mikhail Botvinnik World Championship Match (1963)

World Chess Championship History Archives - Page 3 of 5 - Chessentials