Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Bf5 6. Bd3 Bg6 7. Bg5 Bxd3 8.
Qxd3 h6 9. Bf4 g5 10. Be5 Nf6 11. O-O e6 12. Rfe1 Bd6 13. Bxd6 Qxd6 14. Qf5
Nbd7 15. Ne4 Nxe4 16. Qxe4 O-O-O 17. c4 Rde8 18. c5 Qf4 19. Qd3 Rd8 20. b4 g4
21. Nd2 f5 22. Nc4 e5 23. Nd6+ Kb8 24. Nxf5 Rdf8 25. Nd6 Qxf2+ 26. Kh1 Qxd4 27.
Qg3 h5 28. Rad1 Qxb4 29. Rxe5 Nxe5 30. Qxe5 Qf4 31. Qe7 Qf1+ 32. Rxf1 *
Position (FEN): 1k3r1r/pp2Q3/2pN4/2P4p/6p1/8/P5PP/5R1K b - - 0 32
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 400
Best move: Rxf1#