An entry in the Encyclopedia of Chess Openings (ECO E60), reached after 7 half-moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. b4.
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. b4
No further variations branch from this position in our database. To explore neighbouring ideas: