Isaac Boleslavsky vs Paul Keres - USSR Absolute Championship 1941.04.29

Isaac Boleslavsky vs Paul Keres<br>USSR Absolute Championship Leningrad- Moscow URS round 20 1941.04.29<br>Ruy Lopez: Closed 1/2-1/2<br>https://www.chessgames.com/perl/chessgame?gid=1072016 --- Send in a voice message: https://anchor.fm/blindfoldchess/message