Best response to the Sicilian Defense: Smith-Morra Gambit Accepted (B21)

1. e4 c5 2. d4 cxd4 3. c3 dxc3 · White to move

What is the best response to the Sicilian Defense: Smith-Morra Gambit Accepted (1. e4 c5 2. d4 cxd4 3. c3 dxc3)? White to move. See the top replies ranked by opening theory and real-game results, starting with Nf3.

The main theoretical reply is Nf3, reaching the Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation.