Semi-Slav Defense
The Semi-Slav Defense is a variation of the Queen's Gambit Declined chess opening defined by the position reached after the moves:
1. d4 d5
2. c4 c6
3. Nf3 Nf6
4. Nc3 e6
The position may readily be reached by a number of different move orders. Wikipedia
ECO: D43–D49
Moves: 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6