Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 d6 5. d3 Bd7 6. O-O Qe7 7. Re1 O-O-O 8.
a4 Nd4 9. Bxd7+ Qxd7 10. Nxd4 exd4 11. Ne2 c5 12. Bg5 Be7 13. Bxf6 Bxf6 14. Nf4
g5 15. Nd5 Be5 16. Qd2 h5 17. b4 h4 18. a5 Kb8 19. Reb1 g4 20. b5 g3 21. fxg3
hxg3 22. h3 f5 23. a6 b6 24. Nxb6 axb6 25. a7+ Ka8 26. Ra6 f4 27. Rba1 f3 28.
Rxb6 d5 29. Rb8+ Bxb8 30. axb8=Q+ Kxb8 31. Qf4+ Qd6 32. Qxf3 Rdf8 33. Qg4 Rhg8
34. Qh4 Qf4 35. Qe7 Qf2+ 36. Kh1 Qf1+ 37. Rxf1 *
Position (FEN): 1k3rr1/4Q3/8/1Ppp4/3pP3/3P2pP/2P3P1/5R1K b - - 0 37
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 543
Best move: Rxf1#