Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c4 b6 5. Nc3 Bb4 6. Qa4+ Nbd7 7. Qxb4 c5 8.
dxc5 bxc5 9. Qb3 O-O 10. cxd5 exd5 11. Nxd5 Qa5+ 12. Qc3 Qd8 13. Nc7 Rb8 14.
Ne6 fxe6 15. Bxb8 Nb6 16. Rd1 Qe8 17. Bd6 Ne4 18. Qe5 Nxd6 19. Qxd6 Qf7 20. Nf3
Bb7 21. Be2 Nd5 22. Qxc5 Qg6 23. Qd4 Rc8 24. O-O h5 25. Nh4 Qg5 26. g3 Rc2 27.
Rd2 Rc8 28. Nf3 Qg6 29. h4 Rf8 30. Ng5 e5 31. Qxa7 Qc6 32. Bf3 Rxf3 33. Nxf3
Nf6 34. Qb8+ Kh7 35. Ng5+ Kg6 36. f3 Ng4 37. e4 Ne3 38. Re1 Nc4 39. Rd5 Qb6+
40. Kh1 Qxb2 41. Qe8+ Kh6 42. Qe6+ g6 43. Nf7+ Kg7 44. Qd7 Bxd5 45. Nxe5+ Kg8
46. Nxg6 Bf7 47. Ne7+ Kg7 48. Qf5 Qd2 49. Rg1 Ne3 50. Qg5+ Kf8 51. Ng6+ Bxg6
52. Qxg6 Qxa2 53. Qh6+ Ke7 54. Qxe3 Qe6 55. f4 *
Position (FEN): 8/4k3/4q3/7p/4PP1P/4Q1P1/8/6RK b - - 0 55
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 660
Best move: Qh3#