Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 c6 5. Bc4 Bg4 6. d4 Nf6 7. Be3 g6 8.
O-O Bg7 9. h3 Bxf3 10. Qxf3 O-O 11. Rad1 Nbd7 12. Rfe1 a5 13. a4 Nb6 14. Ba2
Nfd5 15. Ne4 Nxe3 16. fxe3 e6 17. c3 Nd5 18. Nc5 b6 19. Nd3 Bh6 20. e4 Nf6 21.
Rf1 Nd7 22. e5 b5 23. Qxc6 bxa4 24. Qxa4 Nb6 25. Qc6 Rc8 26. Qf3 Rb8 27. Nc5
Nd5 28. Bxd5 exd5 29. Rf2 Qb6 30. Kh1 Rbd8 31. g4 Bg7 32. Rdf1 Qc7 33. Kg2 Bxe5
34. dxe5 Qxc5 35. h4 Qc7 36. Qf4 Qc6 37. Kg3 a4 38. h5 Kg7 39. h6+ Kg8 40. Ra1
Ra8 41. Rd2 Ra7 42. Rad1 Rd7 43. c4 Rfd8 44. cxd5 Rxd5 45. Rxd5 Rxd5 46. Rxd5
Qxd5 47. Qf6 Qb3+ 48. Kh4 Kf8 *
Position (FEN): 5k2/5p1p/5QpP/4P3/p5PK/1q6/1P6/8 w - - 4 49
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1521
Best move: Qd8#