Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 O-O 6. O-O h6 7. e5 dxe5 8. dxe5
Ng4 9. Bf4 Nd7 10. e6 fxe6 11. Bxe6+ Kh7 12. Bxg4 Rxf4 13. Be6 Bxc3 14. bxc3
Rf8 15. Qd3 Nf6 16. Bxc8 Qxc8 17. Rfe1 Ng8 18. Nh4 Qg4 19. Re4 Qh5 20. Nf3 Rad8
21. Qe3 Qf5 22. Nd4 Qh5 23. Re5 g5 24. Qe4+ Kh8 25. Qxb7 Qf7 26. Ne6 Qxf2+ 27.
Kh1 Qf1+ 28. Rxf1 *
Position (FEN): 3r1rnk/pQp1p3/4N2p/4R1p1/8/2P5/P1P3PP/5R1K b - - 0 28
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 664
Best move: Rxf1#