Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nf3 a6 4. Qc2 dxc4 5. Qxc4 b5 6. Qc2 Bb7 7. g3 Nd7 8. Bg2
c5 9. O-O Ngf6 10. dxc5 Bxc5 11. Nc3 O-O 12. Bf4 Rc8 13. Qb3 Qb6 14. Rad1 Rfd8
15. h3 h6 16. e3 Nh5 17. a3 Nxf4 18. gxf4 Nf6 19. Ne5 Bxg2 20. Kxg2 Qb7+ 21.
Kh2 Nd7 22. Nxd7 Rxd7 23. Rxd7 Qxd7 24. Rd1 Qc6 25. Qc2 Be7 26. Qd3 Bh4 27. Rd2
Rd8 28. Qe2 Rxd2 29. Qxd2 Bf6 30. Kg3 g6 31. Ne2 h5 32. Ng1 Qc4 33. Nf3 Qe4 34.
h4 Qf5 35. Ne5 Bxe5 36. fxe5 Qg4+ 37. Kh2 Qxh4+ 38. Kg2 Qg5+ 39. Kf1 Qxe5 40.
Qd8+ Kg7 41. Qb6 Qxb2 42. Qxa6 h4 43. Kg2 g5 44. Kf3 Qf6+ 45. Kg4 Qf5+ 46. Kh5
Kf6 47. Qc8 h3 48. Qd8+ Ke5 *
Position (FEN): 3Q4/5p2/4p3/1p2kqpK/8/P3P2p/5P2/8 w - - 2 49
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1478
Best move: Qd4#