Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 Ne7 3. f4 Ng6 4. c4 d6 5. Nf3 d5 6. cxd5 exd5 7. e5 Bb4+ 8. Bd2
Bxd2+ 9. Qxd2 Nc6 10. Bb5 Bd7 11. Nc3 a6 12. Ba4 b5 13. Bb3 Na5 14. Bxd5 Rb8
15. O-O c6 16. Be4 Nc4 17. Qc1 O-O 18. b3 Nb6 19. Ng5 Nc8 20. f5 Nge7 21. f6
Ng6 22. Bxg6 fxg6 23. fxg7 Rf5 24. Nce4 Kxg7 25. Nf6 h6 26. Rxf5 Bxf5 27. Nf3
Ne7 28. Qc5 Rc8 29. Rd1 Nd5 30. Qa7+ Rc7 31. Qxa6 Nxf6 32. exf6+ Kxf6 33. d5
Be4 34. d6 Rd7 35. Qa3 Bd5 36. Qc5 Rxd6 37. Qd4+ Kf7 38. Ne5+ Kg8 39. Rf1 Rf6
40. Rc1 Qd6 41. Re1 Re6 42. Qf4 Rf6 43. Qd4 h5 44. Nd7 Re6 45. Rxe6 Qxe6 46.
Nf6+ Kf7 47. Nxd5 *
Position (FEN): 8/5k2/2p1q1p1/1p1N3p/3Q4/1P6/P5PP/6K1 b - - 0 47
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1221
Best move: Qe1#