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 g6.
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6
No further variations branch from this position in our database. To explore neighbouring ideas: