Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Bg5 d6 5. h3 Be6 6. Bxf6 Qxf6 7. Qf3 Bxc4 8.
Qxf6 gxf6 9. dxc4 Nd7 10. Nf3 Nb6 11. b3 Kd7 12. O-O Rhg8 13. Nh4 Rg7 14. Nf5
Rg5 15. c3 Rag8 16. g3 d5 17. h4 R5g6 18. cxd5 Nc8 19. b4 Bb6 20. c4 a6 21. c5
Ba7 22. Nc3 a5 23. a3 b6 24. Na4 bxc5 25. Nxc5+ Kd8 26. Rac1 Nd6 27. bxa5 Nxf5
28. exf5 Rg4 29. Kh2 Ke7 30. f3 Rxg3 31. Ne4 R3g7 32. d6+ cxd6 33. Rc7+ Kd8 34.
Rxa7 Kc8 35. Nxd6+ Kb8 36. Rxf7 Rg2+ 37. Kh1 R2g3 38. Rb1+ Ka8 39. Rb2 Rh3+ 40.
Rh2 Rxf3 41. a6 *
Position (FEN): k5r1/5R1p/P2N1p2/4pP2/7P/P4r2/7R/7K b - - 0 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 637
Best move: Rf1#