Chess puzzle (Checkmate)
Moves: 1. f4 Nf6 2. Nf3 e6 3. d4 d5 4. e3 Bd6 5. Bd3 Nbd7 6. O-O O-O 7. c4 c6 8. Nc3
b6 9. cxd5 exd5 10. Ne5 Ne8 11. Nxc6 Qc7 12. Ne5 Nxe5 13. fxe5 Bxe5 14. dxe5
Qxe5 15. Qf3 Bb7 16. Nb5 Rb8 17. Nd4 Nf6 18. b3 Ne4 19. Qh3 f5 20. Rf4 g6 21.
Bb2 Qe7 22. a4 a5 23. Ba3 Qe8 24. Bxf8 Qxf8 25. Ne6 Qf7 26. Bxe4 dxe4 27. Ng5
Qg7 28. Raf1 Ba6 29. Re1 Bd3 30. Rh4 h5 31. Qg3 Rc8 32. Ne6 Qf6 33. Nf4 Bc2 34.
Nxg6 Kf7 35. Ne5+ Ke6 36. Nc4 Bxb3 37. Nxb6 Rc2 38. Rxh5 Qc3 39. Rh6+ Ke7 40.
Qg5+ Ke8 41. Rg6 *
Position (FEN): 4k3/8/1N4R1/p4pQ1/P3p3/1bq1P3/2r3PP/4R1K1 b - - 6 41
Black to move.
Themes: Hanging Piece Middlegame Mate in 1 
Puzzle rating: 695
Best move: Qxe1#