Raul Sanguineti vs Kenneth S Rogoff - Biel Interzonal 1976.07.21

Raul Sanguineti vs Kenneth S Rogoff<br>Biel Interzonal Biel SUI round 8 1976.07.21<br>English Opening: Symmetrical Variation 1-0<br>https://www.chessgames.com/perl/chessgame?gid=1495168 --- Send in a voice message: https://anchor.fm/blindfoldchess/message