Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Cozio_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O a6 5. Ba4 g6 6. Nc3 Bg7 7. Re1 d6 8. d4
Bd7 9. Bxc6 Bxc6 10. dxe5 dxe5 11. Bg5 f6 12. Bh4 O-O 13. h3 Qe8 14. Qe2 Qf7
15. Rad1 Rad8 16. Rxd8 Rxd8 17. Rd1 Rc8 18. Rd2 f5 *
Position (FEN): 2r3k1/1pp1nqbp/p1b3p1/4pp2/4P2B/2N2N1P/PPPRQPP1/6K1 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1830
Best move: Ng5