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. Nf3 Nc6 6. Bc4 h6 7. O-O e5 8. Qb3
Qd7 9. Rd1 Nf6 10. Be3 Be7 11. Nb5 a6 12. Nc3 O-O 13. Na4 b5 14. Nb6 bxc4 15.
Qa4 Nd4 *
Position (FEN): r1b2rk1/3qbpp1/pN1p1n1p/4p3/Q1pnP3/4BN2/PP3PPP/R2R2K1 w - - 2 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1175
Best move: Nxd7