Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 Nge7 7. g3 O-O 8.
Bg2 Ne5 9. O-O d6 10. f4 Ng4 11. Bd2 Bxd4+ 12. Kh1 Nf2+ 13. Rxf2 Bxf2 14. Qf3
Bb6 15. Na3 Qg6 16. Nc4 Bg4 17. Qf1 Qh5 18. Nxb6 axb6 19. Qc4 c5 20. Re1 Kh8
21. e5 Be6 22. Qb5 d5 23. Qxb6 Ng8 24. Qxc5 Nh6 25. Be3 Ng4 26. Bg1 Rfc8 27.
Qb6 Rxa2 28. Bf3 Rc6 *
Position (FEN): 7k/1p3ppp/1Qr1b3/3pP2q/5Pn1/2P2BP1/rP5P/4R1BK w - - 2 29
White to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 591
Best move: Qd8#