An entry in the Encyclopedia of Chess Openings (ECO E12), reached after 10 half-moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4.
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4
No further variations branch from this position in our database. To explore neighbouring ideas: