Queen's Gambit Declined: Semi-Slav, Koomen Variation

1.
1. d4
2. d5
2.
3. c4
4. e6
3.
5. Nc3
6. c6
4.
7. Nf3
8. dxc4
5.
9. e3
10. b5
6.
11. a4
12. Bb4
7.
13. Bd2
14. Qe7

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The Queen's Gambit Declined: Semi-Slav, Koomen Variation is a chess opening classified under ECO code D31 (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.