Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Bg4 5. dxe5 Nxe5 6. Nc3 Nxc4 7. Qd5 Be6 8.
Qxb7 Ne7 9. O-O Qb8 10. Qa6 Ng6 11. Ng5 Be7 12. Nxe6 fxe6 13. Qc6+ Kf7 14. Qxc4
Rf8 15. f4 Kg8 16. Qxe6+ Rf7 17. f5 Nf8 18. Qd5 Qb6+ 19. Kh1 Re8 20. b3 Bf6 21.
Bb2 Nd7 22. Na4 Qb4 23. c3 Qb8 24. Rae1 Re5 25. Qc6 Nb6 26. c4 Ree7 27. Bxf6
Rxf6 28. Nc3 Qe8 29. Qb7 Re5 30. Qxa7 Qc8 31. Nb5 Re7 32. Nxd6 Rxd6 33. e5 Rdd7
34. e6 Rd6 35. c5 Rc6 36. cxb6 Rxb6 37. Qa3 Rd6 38. Rd1 Rxd1 39. Rxd1 Kf8 40.
Rd7 Qe8 41. Rxc7 Qd8 42. Rxe7 *
Position (FEN): 3q1k2/4R1pp/4P3/5P2/8/QP6/P5PP/7K b - - 0 42
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 606
Best move: Qd1#