D44Opening
Semi-Slav Defense:Botvinnik Variation
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4
Black to move
- Legal moves
- 34
- Games in the next 4 moves
- 2,035,153
- Different positions among them
- 668,930
- Named lines from here
- 5
Named after Mikhail Botvinnik: one of the sharpest and most deeply analysed lines in the whole Queen’s Gambit.
It is reached after 11 moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4. It is a line of the Semi-Slav Defense.
Black is to move and has 34 legal moves. Over the next four moves — two for each side — the game can branch into 2,035,153 different games. Those games reach 668,930 different positions: most positions can be reached in more than one way, 3 on average.
The Lichess opening list names 5 further lines after this position, such as Ekstrom Variation (6... b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5).
The same moves can be played in 9,720 different legal orders that all reach this position. For example 1. d4 d5 2. c4 Nf6 3. Nf3 c6 4. Nc3 e6 5. Bg5 dxc4 6. e4, which starts as the Queen's Gambit Declined: Marshall Defense.

Move by move
- 1. d4Queen's Pawn Game
- 1... d5Queen's Pawn Game
- 2. c4Queen's Gambit
- 2... c6Slav Defense
- 3. Nf3Slav Defense: Modern Line
- 3... Nf6—
- 4. Nc3Slav Defense: Three Knights Variation
- 4... e6Semi-Slav Defense
- 5. Bg5—
- 5... dxc4Semi-Slav Defense Accepted
- 6. e4Semi-Slav Defense: Botvinnik Variation
Named lines from here
- Botvinnik VariationD446... b5 7. e5 h6 8. Bh4 g5 9. Nxg5
- Ekstrom VariationD446... b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5
Related openings
- Semi-Slav DefenseD431. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6
- Semi-Slav Defense: Anti-Moscow GambitD431. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4
FEN
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