Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. h3 Nf6 4. Nc3 Nbd7 5. d4 b6 6. d5 Be7 7. Bg5 O-O 8. Bxf6
Nxf6 9. Bb5 a6 10. Bc6 Rb8 11. O-O Bd7 12. Bxd7 Qxd7 13. a4 c6 14. dxc6 Qxc6
15. Re1 Rfd8 16. Nd5 Nxd5 17. exd5 Qc5 18. Re3 b5 19. Rc3 Qb6 20. axb5 Qxb5 21.
Rb3 Qc4 22. Rc3 Qb5 23. Rb3 Qd7 24. Rxb8 Rxb8 25. b3 Ra8 26. c4 Bf6 27. b4 e4
28. Nd4 Qb7 29. Rb1 Qb6 30. Nc6 e3 31. fxe3 Qxe3+ 32. Kh1 Qe4 33. c5 dxc5 34.
bxc5 Rc8 35. Rb8 Rxb8 36. Nxb8 a5 37. d6 Qb7 38. c6 Qxb8 39. c7 Qc8 40. Qc2 Be5
41. Qc6 a4 42. d7 Qxc7 43. Qa8+ Qb8 44. d8=Q+ Qxd8 *
Position (FEN): Q2q2k1/5ppp/8/4b3/p7/7P/6P1/7K w - - 0 45
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 617
Best move: Qxd8#