Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Ng3/5...Bg6/6. Nf3/6...Nd7

= Caro-Kann Defence:Classical Variation =

White again has a large list of options, some of which transpose to other lines. h4 will probably transpose to the most popular line (h4 is more commonly played on move 6).

Theory table
.

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7