Queen's Gambit Declined: Austrian Defense, Haberditz Variation is a chess opening with the ECO code D06, part of the Queen's Gambit Declined family. It goes 1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. e4 Nxe4 5. dxc5 Qa5+. White opens with 1. d4 (the queen's pawn) and Black answers 1... d5. After 10 moves it is White to move. After the last move White is a pawn ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. d4 – White plays the pawn to d4
1... d5 – Black plays the pawn to d5
2. c4 – White plays the pawn to c4
2... c5 – Black plays the pawn to c5
3. cxd5 – White captures on d5 with the c-pawn
3... Nf6 – Black plays the knight to f6
4. e4 – White plays the pawn to e4
4... Nxe4 – Black takes on e4 with the knight
5. dxc5 – White captures on c5 with the d-pawn
5... Qa5+ – Black plays the queen to a5, giving check
About the Queen's Gambit Declined
After 1.d4 d5 2.c4, Black keeps the d5 pawn with ...e6 instead of taking on c4. It is solid, classical and very reliable.
Black develops calmly: ...Nf6, ...Be7, ...O-O, and keeps a strong pawn on d5.
The light-squared bishop on c8 is often stuck behind e6; freeing it is a main task.
Black frees the position with the breaks ...c5 or ...e5; White often plays for a minority attack with b4-b5.
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