Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 g6 3. d3 Bg7 4. Nf3 d6 5. h3 Nf6 6. Nc3 a6 7. a3 b5 8. Ba2 Nc6
9. Bd2 O-O 10. g4 e6 11. g5 Nh5 12. h4 Bxc3 13. Bxc3 Nf4 14. Rh2 b4 15. Bf6 Qa5
16. Qd2 d5 17. e5 Nh5 18. d4 c4 19. c3 bxa3 20. b4 Qa4 21. Qc1 Rb8 22. Bb1 a5
23. Rxa3 Qb5 24. bxa5 Qxb1 25. Ra1 Qxc1+ 26. Rxc1 Nxa5 27. Nd2 Nxf6 28. gxf6
Nb3 29. Rc2 Nxd2 30. Rxd2 Rb1+ 31. Ke2 Bd7 32. Ra2 Rfb8 33. h5 R1b2+ 34. Rxb2
Rxb2+ 35. Kf3 Ba4 36. Rh1 Rc2 37. Rb1 Bb3 38. Ra1 Ra2 39. Rc1 gxh5 40. Kg3 h6
41. Kh4 Rxf2 42. Rg1+ Kh7 43. Rg7+ Kh8 44. Rxf7 Rf4+ 45. Kxh5 Bd1+ 46. Kg6 Bc2+
47. Kh5 Rf5+ 48. Kxh6 Rf3 *
Position (FEN): 7k/5R2/4pP1K/3pP3/2pP4/2P2r2/2b5/8 w - - 1 49
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1209
Best move: Rf8#