411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nd2/3...dxe4
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Modern variation B12 Caro-Kann → 3. Nd2
3...dxe4
4. Nxe4, retaking the pawn and defending d4, transposes into the main line 3. Nc3 variation of the Caro-Kann.
Theory table
1.e4 c6 2.d4 d5 3.Nd2 dxe4
4567Main LineNxe4
Bf5Ng3
Bg6h4
h6Nf3
Nd7=
Caro–Kann Defence