An entry in the Encyclopedia of Chess Openings (ECO B13), reached after 9 half-moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c5.
1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c5
No further variations branch from this position in our database. To explore neighbouring ideas: