Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. d4 d5 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Bd3 Qb6 7. Qb3 Qd8 8. Qc2
cxd4 9. Nxd4 e5 10. Nxc6 bxc6 11. Bxe5 c5 12. Bb5+ Bd7 13. Bxf6 Qxf6 14. Bxd7+
Kxd7 15. Qa4+ Qc6 16. Qf4 Qe6 17. O-O Bd6 18. Qa4+ Ke7 19. Nd2 Rhe8 20. Nf3 Kf8
21. Qh4 Be7 22. Qxh7 Bf6 23. Qh8+ Ke7 24. Qh5 Rh8 25. Ng5 Qd6 26. Qxf7+ Kd8 27.
Ne6+ Kc8 28. Nf4 Kb8 29. Qxd5 Qc7 30. Ne6 *
Position (FEN): rk5r/p1q3p1/4Nb2/2pQ4/8/2P1P3/PP3PPP/R4RK1 b - - 2 30
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 851
Best move: Qxh2#