An entry in the Encyclopedia of Chess Openings (ECO E33), reached after 10 half-moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6.
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6
No further variations branch from this position in our database. To explore neighbouring ideas: