Semi-Slav Defense: Botvinnik Variation

The Semi-Slav Defense: Botvinnik Variation is a chess opening classified under ECO code D44 in the Closed & Semi-Closed Games family, arising from 1.d4 d5, including the Queen's Gambit, Slav Defense, and related systems. It is reached after 6 moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4. The resulting position leaves black to move.