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Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5
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Caro-Kann Exchange Variation Caro-Kann
Caro-Kann Defence: Exchange Variation
White exchanges on d5, and black almost always responds with cxd5. This forms opposite-wing majorities. This usually leads to either the Panov-Botvinnik Attack after 4.c4, or the main line Exchange after 4. Bd3.
Theory table
3... cxd5 3... Qxd5 3... Bf5 3... c5 4... Qa5
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.