ECO D43 · Semi-Slav Defense
Semi-Slav Defense: Moscow Variation
The position after 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 h6 6.Bxf6 Qxf6.
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6
Semi-Slav Defense: Moscow Variation is filed under ECO D43, a variation of Semi-Slav Defense. It is the position after 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 h6 6.Bxf6 Qxf6 — 12 half-moves in, with White to move. From here theory names one continuation, Qb3.