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Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. e5/3...c5/4. c3/4...Nc6/5. Nf3/5...cxd4
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Caro-Kann - Advance Variation, Botvinnik-Carls
5... cxd4 · Caro-Kann - Botvinnik-Carls Defence
Black liquidates the tension with cxd4, and White has little option but to recapture with the pawn.
Theory table
6. cxd4 6. Bb5 6. h3 6. Nxd4? -=
References
Caro-Kann