Chess puzzle (Crushing)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. O-O Nf6 6. Re1 d5 7. Nxe5 Be7 8.
Nxc6 bxc6 9. Bb3 O-O 10. Qf3 Bg4 11. Qg3 Re8 12. f3 Bd7 13. Kh1 Nh5 14. Qf2 Rf8
15. d4 Bd6 16. Ne2 Qf6 17. c3 Rfe8 18. Bd2 Bg4 19. Qf1 *
Position (FEN): r3r1k1/p1p2ppp/2pb1q2/3p3n/3P2b1/1BP2P2/PP1BN1PP/R3RQ1K b - - 4 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1717
Best move: Qh4