Chess puzzle (Checkmate)
Moves: 1. e3 d5 2. c3 g6 3. Qa4+ Bd7 4. Qb3 Nf6 5. Qxb7 Nc6 6. Qb3 Bg7 7. c4 dxc4 8.
Bxc4 O-O 9. Nh3 h6 10. Qc2 e6 11. b3 Ng4 12. Bb2 Bxb2 13. Qxb2 Nge5 14. f4 Nxc4
15. bxc4 Rb8 16. Qc2 Nb4 17. Qc3 Qh4+ 18. Nf2 Ba4 19. Na3 Qe7 20. O-O Rfd8 21.
d4 Rb6 22. c5 Rbb8 23. Nc4 Nd5 24. Qa3 Bb5 25. Rac1 Kh7 26. Rfe1 c6 27. Ne5 f6
28. Ned3 Rd7 29. e4 Nc7 30. f5 gxf5 31. exf5 Rg8 32. Nf4 Nd5 33. Nxe6 Qf7 34.
Qh3 Re7 35. Ng4 Rxg4 36. Qxg4 Re8 37. Nf4 Rxe1+ 38. Rxe1 Ne7 39. Re6 Bc4 40.
Rd6 Bd5 41. Nh5 Nc8 42. Rxf6 Qe7 43. Qg6+ Kh8 44. Qxh6+ Kg8 45. Rg6+ Kf7 46.
Qg7+ Ke8 47. Nf6+ Kd8 48. Qh8+ Kc7 49. Rg7 Bf7 50. Ne8+ Kb8 51. Nd6 *
Position (FEN): 1kn4Q/p3qbR1/2pN4/2P2P2/3P4/8/P5PP/6K1 b - - 14 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 595
Best move: Qe1#