An entry in the Encyclopedia of Chess Openings (ECO C05), reached after 9 half-moves: 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4.
1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4
No further variations branch from this position in our database. To explore neighbouring ideas: