Queen's Gambit Declined: Three Knights, Vienna Variation

1.
1. d4
2. Nf6
2.
3. c4
4. e6
3.
5. Nf3
6. d5
4.
7. Nc3
8. dxc4

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The Queen's Gambit Declined: Three Knights, Vienna Variation is a chess opening classified under ECO code D37 (Closed & Semi-Closed games). It is a variation of the Queen's Gambit Declined family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.