Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Nf3 Nxd5 5. d3 g6 6. Be2 Bg7 7. O-O Qd6 8. Ng5
h6 9. Ne4 Qb6 10. Kh1 c4 11. Nbc3 Nxc3 12. Nxc3 cxd3 13. Bxd3 O-O 14. Be3 Qxb2
15. Nd5 Nc6 16. f5 Bd7 17. fxg6 fxg6 18. Bxg6 Qe5 19. c4 Rad8 20. Bd2 Qd6 21.
Be3 Bxa1 22. Qxa1 Qxg6 23. Bc5 Rxf1+ 24. Qxf1 Rf8 25. Qe1 Qf7 26. Nxe7+ Nxe7
27. Bxe7 Qf1+ 28. Qxf1 *
Position (FEN): 5rk1/pp1bB3/7p/8/2P5/8/P5PP/5Q1K b - - 0 28
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 613
Best move: Rxf1#