Boris Spassky vs Tigran Vartanovich Petrosian - Petrosian - Spassky World Championship Match 1966.05.20

Boris Spassky vs Tigran Vartanovich Petrosian<br>Petrosian - Spassky World Championship Match Moscow URS round 17 1966.05.20<br>English Opening: Anglo-Indian Defense, Grünfeld Formation 1/2-1/2<br>https://www.chessgames.com/perl/chessgame?gid=1106735 --- Send in a voice message: https://anchor.fm/blindfoldchess/message