Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. O-O Qc7 5. Re1 Nd7 6. d3 a6 7. a4 Ngf6 8. Bg5
Be7 9. c3 O-O 10. b3 Rb8 11. d4 b5 12. axb5 axb5 13. Bf1 h6 14. Bh4 g5 15. Bg3
Nh5 16. dxc5 Nxc5 17. b4 Nxg3 18. hxg3 Na4 19. Bxb5 Rxb5 20. Rxa4 Bb7 21. Qd3
Rb6 22. Nbd2 Bf6 23. Rc1 Qd7 24. Nc4 Rc6 25. Ra7 Rfc8 26. Na5 R6c7 27. Nxb7
Rxb7 28. Rxb7 Qxb7 29. Qxd6 Rxc3 30. Rxc3 Bxc3 31. Qd8+ Kg7 32. Qd3 Qxb4 33.
Kh2 Qa5 34. Ng1 Be1 35. Qd4+ Kg6 36. f3 Qc7 37. e5 Bc3 38. Qe4+ Kg7 39. f4 gxf4
40. gxf4 Qc5 41. Nf3 Qa5 42. Kh3 Bb4 43. Kg4 Be7 44. g3 Qd8 45. f5 exf5+ 46.
Qxf5 Qg8 47. Kh5 Kh8 48. Kxh6 Qg7+ 49. Kh5 Qxg3 50. Nd4 *
Position (FEN): 7k/4bp2/8/4PQ1K/3N4/6q1/8/8 b - - 1 50
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1710
Best move: Qh4#