Tigran Petrosian is apparently leaving comments on the livestream : r/AnarchyChess

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

1971 Buenos Aires, ARG - Fischer vs Petrosian – Chess Universe

The Best Chess Games of Tigran Petrosian

The best chess games of Tigran Petrosian

Tigran Vartanovich Petrosian Number of games in database: 1,915 - Chess Forums

The Best Chess Games of Tigran L Petrosian

Mikhail Tal vs Tigran V Petrosian (1962)

Black to move with forced mate in this game between Paul Keres and Tigran V. Petrosian, Bled 1959 : r/chess

Tigran L. Petrosian wins Ashot Anastasyan Memorial – Chessdom

Tigran V Petrosian vs Hector Corral (1954)