Caro-Kann Defense Workshop – Pawn Structures, Tactical Ideas, and More – iChess.net
La Defensa Caro-Kann: el arma de los genios posicionales.
The Caro-Kann: How to Play It as White and Black - Chessable Blog
Caro-Kann Defense - Chess Openings - Chess.com
Caro-Kann Defense - Chess Openings - Chess.com
Lifetime Repertoires: Caro-Kann | Chessable
Caro-Kann Defense – A Complete Chess Opening Guide For Black – iChess.net
Caro-Kann: Fantasy Variation
I am a beginner in the Caro-Kann and wanted to know why in the first diagram, bd3 is an inaccuracy while bd3 is the second most popular move in the second diagram. :