The Sicilian – Smith-Morra Gambit arises after 1.e4 c5 2.d4. ECO code: B21.

After 2...cxd4 3.c3, White offers a pawn for rapid development and central control. Named after Pierre Morra and American master Ken Smith, who championed it. White obtains open lines, a lead in development, and piece activity for the sacrificed pawn. The gambit is considered playable at all levels, though Black can equalise with precise play.