Viktor Korchnoi vs Mark Taimanov - USSR Championship 1963.12.23

Viktor Korchnoi vs Mark Taimanov<br>USSR Championship Leningrad URS round 18 1963.12.23<br>Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1<br>https://www.chessgames.com/perl/chessgame?gid=1081520 --- Send in a voice message: https://anchor.fm/blindfoldchess/message