Queens Gambit Declined Alekhine Variation (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.e4) Chess Puzzles

The “queens gambit declined alekhine variation” is a Queens Gambit Declined line where Black adopts an Alekhine-style approach—most notably by allowing or provoking central tension and then challenging White’s center with tempo. I don’t have a reliably documented, universally agreed exact move order for this specific named sub-variation (as used on Lichess/opening databases), so I can’t safely list the precise sequence without risking confusion with a sibling line. What you should look for instead is the defining feature: a QGD structure where Black’s play is driven by counterplay against Whit