Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 dxc4 6. Bxc4 O-O 7. Nf3 Ne4 8.
Nc3 Bb4 9. O-O Nxc3 10. bxc3 Bxc3 11. Rc1 Ba5 12. Bh4 Qd6 13. Bd3 c6 14. Qc2 f5
15. Qb3 Bc7 16. Bxf5 Rxf5 17. Bg3 Qe7 18. Bh4 Qf7 19. Ng5 Rxg5 20. Bxg5 Qh5 21.
Bf4 Bxf4 22. exf4 Na6 23. Rfe1 Kh8 24. Re5 Qh6 25. Qg3 Nc7 26. Qg4 Nd5 27. Qg5
Nxf4 *
Position (FEN): r1b4k/pp4pp/2p1p2q/4R1Q1/3P1n2/8/P4PPP/2R3K1 w - - 0 28
White to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 1038
Best move: Qd8#