Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Bc5 6. b3 Nc6 7. Nbd2 O-O 8. Bb2
Qe7 9. a3 a5 10. h3 h6 11. e3 Rad8 12. Qe2 Rfe8 13. e4 Bg6 14. Kh2 dxe4 15.
Nxe4 Nxe4 16. dxe4 Nd4 17. Nxd4 Bxd4 18. c3 Bc5 19. b4 Bb6 20. Rad1 Rxd1 21.
Rxd1 Rd8 22. Rxd8+ Qxd8 23. Kg1 Qd6 24. Kf1 f6 25. Ke1 e5 26. Bc1 Bf7 27. Be3
Bxe3 28. Qxe3 b6 29. Bf1 Qc6 30. Qd3 Kh7 31. Be2 Bg8 32. Bg4 Bf7 33. Bf5+ Bg6
34. g4 Bxf5 35. gxf5 Qa4 36. Qd8 Qxa3 37. Qxc7 axb4 38. cxb4 Qxb4+ 39. Kf1 Qxe4
40. Qxb6 Qxf5 41. Kg2 Qg5+ 42. Kh2 Qf4+ 43. Kg2 e4 44. Qc5 Qf3+ 45. Kg1 h5 46.
h4 Qg4+ 47. Kf1 Qxh4 48. Qf5+ Kh6 49. Ke1 Qg4 50. Qd5 h4 51. Qg8 h3 52. Qh7+
Kg5 53. Qxg7+ Kf4 54. Qxf6+ Qf5 55. Qd6+ Kf3 *
Position (FEN): 8/8/3Q4/5q2/4p3/5k1p/5P2/4K3 w - - 3 56
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1172
Best move: Qg3#