An entry in the Encyclopedia of Chess Openings (ECO E16), reached after 10 half-moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+.
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+
No further variations branch from this position in our database. To explore neighbouring ideas: