An entry in the Encyclopedia of Chess Openings (ECO D21), reached after 6 half-moves: 1. d4 d5 2. c4 dxc4 3. Nf3 c5.
1. d4 d5 2. c4 dxc4 3. Nf3 c5
One reply continues into a sub-variation from this position. Click any to drill deeper.