An entry in the Encyclopedia of Chess Openings (ECO C39), reached after 13 half-moves: 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4.
No further variations branch from this position in our database. To explore neighbouring ideas: