Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 g6 7. Qd2 Bg7 8. Bc4
Nc6 9. Nxc6 bxc6 10. O-O-O O-O 11. f3 Bb7 12. h4 Re8 13. g4 Qa5 14. h5 Nd7 15.
hxg6 hxg6 16. Bh6 Bxc3 17. bxc3 Ne5 18. Bb3 c5 19. Qh2 Nxf3 *
Position (FEN): r3r1k1/1b2pp2/p2p2pB/q1p5/4P1P1/1BP2n2/P1P4Q/2KR3R w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 2069
Best move: Qf4