Gennady Borisovich Sosonko vs Kenneth S Rogoff - Biel Interzonal 1976.07.31

Gennady Borisovich Sosonko vs Kenneth S Rogoff<br>Biel Interzonal Biel SUI round 15 1976.07.31<br>Catalan Opening: Closed 1/2-1/2<br>https://www.chessgames.com/perl/chessgame?gid=1127535 --- Send in a voice message: https://anchor.fm/blindfoldchess/message