An entry in the Encyclopedia of Chess Openings (ECO B01), reached after 7 half-moves: 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2.
1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2
No further variations branch from this position in our database. To explore neighbouring ideas: