Tigran Vartanovich Petrosian vs Mikhail Botvinnik - Botvinnik - Petrosian World Championship Match 1963.04.22

Tigran Vartanovich Petrosian vs Mikhail Botvinnik<br>Botvinnik - Petrosian World Championship Match Moscow URS round 13 1963.04.22<br>Queen's Indian Defense: Anti-Queen's Indian System 1/2-1/2<br>https://www.chessgames.com/perl/chessgame?gid=1032630 --- Send in a voice message: https://anchor.fm/blindfoldchess/message