Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Schliemann_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nf6 5. O-O d6 6. exf5 Be7 7. d4 e4 8. d5
exf3 9. dxc6 O-O 10. Qxf3 Rb8 11. Nc3 bxc6 12. Bxc6 Ba6 13. Re1 Nd7 14. Nd5 Ne5
15. Nxe7+ Qxe7 16. Qd5+ Kh8 17. f4 *
Position (FEN): 1r3r1k/p1p1q1pp/b1Bp4/3QnP2/5P2/8/PPP3PP/R1B1R1K1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1364
Best move: Nf3+