ECO B12 · Caro-Kann Defense
Caro-Kann Defense: Advance Variation, Van der Wiel Attack
The position after 1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nc3.
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3
Caro-Kann Defense: Advance Variation, Van der Wiel Attack is filed under ECO B12, a variation of Caro-Kann Defense: Advance Variation. It is the position after 1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nc3 — 7 half-moves in, with Black to move. From here theory names one continuation, Qb6.