Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 bxc6 5. Nc3 e6 6. O-O d5 7. e5 Nd7 8. d3
Be7 9. Be3 d4 10. Nxd4 cxd4 11. Bxd4 c5 12. Be3 Nxe5 13. Qh5 Ng6 14. Bxc5 Bxc5
15. Qxc5 Ne7 16. Nb5 Nd5 17. c4 a6 *
Position (FEN): r1bqk2r/5ppp/p3p3/1NQn4/2P5/3P4/PP3PPP/R4RK1 w kq - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1903
Best move: Nd6+