Play Like A World Champion: Petrosian and Spassky - Chess Lessons

In 1963 Tigran Petrosian unseated Botvinnik as World Champion for the final time. Petrosian was a defensive genius and held his title again in 1966 against Boris Spassky. In 1969 Spassky won another candidates cycle and defeated Petrosian to take the title.

Play Like Boris Spassky - Chess Lessons

Game Spotlight Archives - Nairobi Chess Club

Boris Spassky vs Tigran Petrosian • World Championship, 1966

Tigran Petrosian - Wikipedia

Petrosian's World Championship Immortal! - Best Of The 60s - Petrosian vs. Spassky, 1966

Exercises in Style (3/4): Solutions

The chess games of Boris Spassky

The Grossmeister Series Chess Pieces - 4.4 King

337 Bobby Fischer Games Stock Photos, High-Res Pictures, and Images - Getty Images

13 Best Chess Games by Tigran Petrosian - TheChessWorld

Bonus Pod - Recapping the book Bobby Fischer Goes to War with guest co-host Chris Wainscott [Chess Books Recaptured Series] — The Perpetual Chess Podcast

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