An entry in the Encyclopedia of Chess Openings (ECO E90), reached after 9 half-moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3.
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3
No further variations branch from this position in our database. To explore neighbouring ideas: