Petko Atanasov vs Zoltan Ribli - Groningen 1969.??.??

Petko Atanasov vs Zoltan Ribli<br>Groningen Groningen 1969.??.??<br>Modern Defense: Pterodactyl Variation 0-1<br>https://www.chessgames.com/perl/chessgame?gid=1471246 --- Send in a voice message: https://anchor.fm/blindfoldchess/message