Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 e6 6. Nf3 a6 7. O-O b5 8. Bb3
Ra7 9. Qe2 Rd7 10. a3 Nc6 11. Bf4 Nf6 12. e5 dxe5 13. Nxe5 Nxe5 14. Bxe5 Be7
15. Rad1 O-O 16. Rxd7 Qxd7 17. Rd1 Qc6 18. Bc2 Bb7 19. f3 Nd7 *
Position (FEN): 5rk1/1b1nbppp/p1q1p3/1p2B3/8/P1N2P2/1PB1Q1PP/3R2K1 w - - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1963
Best move: Qd3