Library/Openings/Caro-Kann Defense/Breyer Variation/Stein Attack ECO B10
Opening· 15 plies

Caro-Kann Defense: Breyer Variation, Stein Attack

An entry in the Encyclopedia of Chess Openings (ECO B10), reached after 15 half-moves: 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.

Caro-Kann Defense: Breyer Variation, Stein Attack ECO B10
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End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Caro-Kann Defense: Breyer Variation, Stein Attack is an opening in the Encyclopedia of Chess Openings, classified under code B10. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 15 half-moves from the starting position, with the move sequence 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 belongs to the Caro-Kann Defense family. Within that family this is a level-2 branch (the Breyer Variation → Stein Attack line). The immediate parent line is Caro-Kann Defense: Breyer Variation, transitioned via 8.b4.

The opening sequence in prose form: 1.e4 c6, 2.d3 d5, 3.Nd2 g6, 4.Ngf3 Bg7, 5.g3 e5, 6.Bg2 Ne7. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.