Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation

Black places the queen on c7, controlling the b8–h2 diagonal.

The variation is best known for the Siberian Trap: after 7. O-O Nf6 8. Qe2 Ng4 9. h3? Nd4, White loses the queen.

A better approach for White is 8. Nb5 Qb8 9. e5.