Bruno Hartmann vs Langeheinecke - Berlin-B 1920.??.??

Bruno Hartmann vs Langeheinecke<br>Berlin-B Berlin GER 1920.??.??<br>Blumenfeld Countergambit 1-0<br>https://www.chessgames.com/perl/chessgame?gid=1601400 --- Send in a voice message: https://anchor.fm/blindfoldchess/message