Sicilian Defense: Smith-Morra Gambit Accepted

1. e4 c5 2. d4 cxd4 3. c3 dxc3

Sicilian Defense: Smith-Morra Gambit Accepted is catalogued under ECO code B21. It is reached after 3 moves (6 half-moves): 1. e4 c5 2. d4 cxd4 3. c3 dxc3. After the last move it is White to play. White opens 1. e4. It is a named variation of the Sicilian Defense, which has 391 catalogued lines in total.

Position shown after the last move; White to play.