An entry in the Encyclopedia of Chess Openings (ECO B02), reached after 7 half-moves: 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6.
1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6
No further variations branch from this position in our database. To explore neighbouring ideas: