Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. e5 Be7 7. Nc3 f6 8.
exd6 Bxd6 9. Be2 Ne7 10. Bh5+ Ng6 11. Qd5 c6 12. Qb3 Qe7+ 13. Be3 Be6 14. Qa4
Bf7 15. O-O-O O-O 16. Rhe1 Qc7 17. g3 a6 18. f4 b5 19. Qd4 Rad8 20. Qb6 Qc8 21.
f5 Ne5 22. Bxf7+ Rxf7 23. Bf4 Nc4 24. Qd4 Qxf5 25. Bxd6 Nxd6 26. Qb6 Qc8 27.
Qc5 Rfd7 28. a3 Nc4 29. Rxd7 Rxd7 30. a4 Rd2 31. axb5 axb5 32. Qe7 Rd8 33. b3
Ne5 34. Ne4 Re8 35. Qc5 Qe6 36. Nd6 Rd8 37. Nb7 Rd7 38. Qb6 Qe8 39. Kb1 Qb8 40.
Rxe5 fxe5 41. Qxc6 Qxb7 42. Qe6+ Kh8 *
Position (FEN): 7k/1q1r2pp/4Q3/1p2p3/8/1P4P1/2P4P/1K6 w - - 2 43
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 522
Best move: Qe8#