An entry in the Encyclopedia of Chess Openings (ECO A00), reached after 9 half-moves: 1. Na3 e5 2. d3 Bxa3 3. bxa3 d5 4. e3 c5 5. Rb1.
1. Na3 e5 2. d3 Bxa3 3. bxa3 d5 4. e3 c5 5. Rb1
No further variations branch from this position in our database. To explore neighbouring ideas: