An entry in the Encyclopedia of Chess Openings (ECO E12), reached after 7 half-moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4.
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4
No further variations branch from this position in our database. To explore neighbouring ideas: