411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. c4/4...Nf6/5. Nc3/5...Nc6/6. Nf3/6...Bg4
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Caro-Kann Panov-Botvinnik Attack Caro-Kann
6... Bg4 · Caro-Kann Panov-Botvinnik Attack
White has their eye on the weak points in black's position, b7 and d5, and most commonly takes on d5 with the pawn here. However, 7. Be3, 7. Bg5, and 7. Be2 are also perfectly playable.
Theory table
7. cxd5 7. Be3 7. Be2 7. Bg5
References
Caro-Kann
Nunns Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. 1-8574-4221-0.
Modern Chess Openings: MCO-14. 1999. Nick de Firmian, Walter Korn. 0-8129-3084-3.
Play the Caro-Kann. 2007. Jovanka Houska 9781857447965