Angel Ribera Arnal vs Hans Mueller - Hamburg Olympiad 1930.07.17

Angel Ribera Arnal vs Hans Mueller<br>Hamburg Olympiad Hamburg GER round 6 1930.07.17<br>Nimzo-Indian Defense: Spielmann Variation, Karlsbad Variation 1/2-1/2<br>https://www.chessgames.com/perl/chessgame?gid=1981518 --- Send in a voice message: https://anchor.fm/blindfoldchess/message