Wolfgang Unzicker vs Ortvin Sarapu - Siegen ol (Men) qual-F 1970.09.11

Wolfgang Unzicker vs Ortvin Sarapu<br>Siegen ol (Men) qual-F Siegen FRG round 7 1970.09.11<br>Sicilian Defense: Nimzowitsch Variation 1-0<br>https://www.chessgames.com/perl/chessgame?gid=1277171 --- Send in a voice message: https://anchor.fm/blindfoldchess/message