Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. Nc3 Nf6 7. Bg5 Be7 8.
Qd2 h6 9. Bh4 Nxe4 10. Nxe4 Bxh4 11. g3 Be7 12. Bf3 d5 13. Nc3 O-O 14. O-O Nd7
15. Bg2 b5 16. a3 Bb7 17. Rac1 e5 18. Nf5 Bg5 19. f4 exf4 20. gxf4 Bf6 21. Nxd5
Qc5+ 22. Kh1 Bxd5 23. Bxd5 Rad8 24. b4 Qc7 25. Qg2 Kh7 26. Be4 g6 27. Qh3 h5
28. Ne3 Kg8 29. Nd5 Qd6 30. Rcd1 Qb8 31. Rg1 Kh8 32. f5 Qe5 33. Rde1 Qd6 34.
fxg6 fxg6 35. Rxg6 Rf7 36. Qxh5+ Rh7 37. Rh6 Rxh6 38. Qxh6+ Kg8 39. Rg1+ Kf7
40. Qg6+ Ke6 41. Qf5+ Kf7 42. Qh5+ Ke6 43. Qg4+ Kf7 44. Bg6+ Kf8 45. Be4 Ke8
46. Qg8+ Nf8 47. Bg6+ Kd7 48. Qf7+ Kc8 49. Bf5+ Kb8 50. Be4 Be5 51. h3 Nd7 52.
Nf4 Bxf4 53. Rg7 Be5 54. Rg8 Qc7 55. Rxd8+ Qxd8 56. Qd5 Qc7 *
Position (FEN): 1k6/2qn4/p7/1p1Qb3/1P2B3/P6P/2P5/7K w - - 2 57
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1084
Best move: Qa8#