Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. e5/3...Bf5/4. Nc3/4...e6

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 Is the most followed continuation of the Caro–Kann Defence: Advanced Variation. The best following attack would be 5. g4 questioning Black's bishop on the f5-square.