World Chess Championship 1966 - Wikipedia

Boris Spassky - Wikipedia

Immortal Games of Chess! Boris Spassky vs. Tigran Petrosian Moscow 1969 Immortal Games of Chess! Boris Spassky vs. Tigran Petrosian Moscow 1969 Queen's Gambit Declined. Spassky plays an excellent opening and

Petrosian - Spassky World Championship Match (1966) chess event

Boris Spassky vs Tigran V Petrosian World Championship Match (1966)

Boris Spassky vs Tigran V Petrosian World Championship Match, 1966

Match Of The Century: Player Interviews

Year of the Tigran

1969 World Chess Championship Final Tigran Petrosian vs Boris Spassky Armenian b

Pal Benko, Who Stepped Aside for Bobby Fischer, Dies at 91 - The New York Times

The 1969 World Chess Championship // Tigran Petrosian vs Boris Spassky (+6 -4 =13)