An entry in the Encyclopedia of Chess Openings (ECO E72), reached after 9 half-moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3.
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3
No further variations branch from this position in our database. To explore neighbouring ideas: