ECO D44
Semi-Slav Defense Accepted
The position after 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 dxc4.
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4
Semi-Slav Defense Accepted is filed under ECO D44. It is the position after 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 dxc4 — 10 half-moves in, with White to move. From here theory names one continuation, e4.