Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 e6 3. Nf3 d5 4. d4 dxe4 5. Nxe4 cxd4 6. Nxd4 Nf6 7. Bg5 Be7 8.
f3 Nxe4 9. Bxe7 Qxe7 10. fxe4 O-O 11. Qf3 e5 12. Nf5 Bxf5 13. exf5 e4 14. Qe3
Re8 15. O-O-O a6 16. Be2 Nc6 17. Rhe1 Rac8 18. Kb1 Rc7 19. g4 h6 20. Rh1 Rec8
21. h4 Nb4 22. Rc1 Nd5 23. Qg1 Nf4 24. Bd1 e3 25. Qf1 Qe5 26. g5 e2 27. Bxe2
Qxe2 28. Qxf4 Qh5 29. Rh2 Rc4 30. Qd2 Rxh4 31. Rxh4 Qxh4 32. gxh6 Qxh6 33. Qxh6
gxh6 34. f6 Kh7 35. Rg1 Rc6 36. Rg7+ Kh8 37. Rxf7 h5 38. Rxb7 Rxf6 39. Rb3 *
Position (FEN): 7k/8/p4r2/7p/8/1R6/PPP5/1K6 b - - 1 39
Black to move.
Themes:  Endgame, Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 613
Best move: Rf1#