Boris Spassky vs Tigran Vartanovich Petrosian - Petrosian - Spassky World Championship Match 1969.05.05

Boris Spassky vs Tigran Vartanovich Petrosian<br>Petrosian - Spassky World Championship Match Moscow URS round 9 1969.05.05<br>Benoni Defense 1/2-1/2<br>https://www.chessgames.com/perl/chessgame?gid=1106853 --- Send in a voice message: https://anchor.fm/blindfoldchess/message