Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. O-O Be7 5. Nxe5 d5 6. Bb3 O-O 7. d3 Nf6 8.
Bg5 c6 9. h3 Nbd7 10. Nxd7 Qxd7 11. Nd2 h6 12. Bh4 Nh7 13. Bxe7 Qxe7 14. Re1
Qg5 15. Nf3 Qg6 16. Kh2 Ng5 17. c3 Qd6+ 18. Kh1 Qf6 19. Nxg5 hxg5 20. Qg4 *
Position (FEN): r1b2rk1/pp3pp1/2p2q2/3p2p1/6Q1/1BPP3P/PP3PP1/R3R2K b - - 1 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 989
Best move: Bxg4