Now I will feel more comfortable!
Queen's Gambit Declined
Can't say very convinced by Nc6 either but it is recommended on this site \http://www.kenilworthchessclub.org/games/java/2007/lasker-kenilworth-repertoire.htm
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I analyzed one of my games in QGD. Hope you enjoy, if you did - subscribe to my channel to say thank you: https://www.youtube.com/kestony?sub_confirmation=1