Caro-Kann Defense: Breyer Variation, Stein Attack

1.e4 c6 2.d3 d5 3.Nd2 g6 4.Ngf3 Bg7 5.g3 e5 6.Bg2 Ne7 7.O-O O-O 8.b4

ECO B10

The Caro-Kann Defense: Breyer Variation, Stein Attack is a chess opening line in the Caro-Kann Defense complex, reached after 1.e4 c6 2.d3 d5 3.Nd2 g6 4.Ngf3 Bg7 5.g3 e5 6.Bg2 Ne7 7.O-O O-O 8.b4.

It is catalogued under code B10 in the Encyclopaedia of Chess Openings (ECO).

The defining move b4 is chosen by White on move 8.

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