Answer
The Botvinnik Defense is a line in the Semi-Slav Defense. It is characterized by 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 Bb4. The Botvinnik Defense was developed by the Soviet chess grandmaster Mikhail Botvinnik in the 1940s. It is a solid opening for Black, and has been played by many top players, including Garry Kasparov and Vladimir Kramnik.