Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. Bc4 e6 6. c3 O-O 7. Ne5 d6 8. Nf3
Re8 9. Bg5 b6 10. h4 Bb7 11. h5 Kf7 12. hxg6+ hxg6 13. Nbd2 Rh8 14. Rxh8 Qxh8
15. Qc2 Qh1+ 16. Bf1 Nbd7 17. O-O-O Qh5 18. Be2 Be4 19. Nxe4 Nxe4 20. Bf4 Qh8
21. Ng5+ Nxg5 22. Bxg5 Bf6 23. f4 Bxg5 24. fxg5 Qh4 25. Bf3 Rh8 26. Qa4 Ke7 27.
Bc6 Qxg5 28. Bxd7 Qxe3+ 29. Kb1 Rh2 30. Bc6 Qe2 31. Bf3 Qf2 32. Qxa7 Kd7 33.
Qb7 g5 34. Qc6+ Kd8 35. Qa8+ Kd7 36. Bc6+ Ke7 37. Qe8+ Kf6 38. Qf8+ Kg6 39.
Be8+ Kh7 40. Qf7+ Kh8 41. Qf8+ Kh7 42. Qf7+ Kh8 43. Qf6+ Kh7 44. Bg6+ Kg8 45.
Qxg5 Rxg2 46. Qd8+ Kg7 47. Qxc7+ Kxg6 48. Qxb6 Qc2+ 49. Ka1 *
Position (FEN): 8/8/1Q1pp1k1/5p2/3P4/2P5/PPq3r1/K2R4 b - - 2 49
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 988
Best move: Qxd1#