CHESS LECTURE-VOL 80 - Queens's Gambit Declined; Tarrasch

IM David Vigorito gives an overview of a system advocated by the German master Siegbert Tarrasch in which the main line is: 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6. A complete and active system against the Queen's Gambit

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The Vienna variation of the Queen’s Gambit Declined is a complex and fascinating system arising after 1 d4 d5 2 c4 e6 3 Nc3 Nf6 4 Nf3 Bb4 5 Bg5 dxc4.

Queen’s Gambit Declined: Vienna