Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3
cxd4 9. cxd4 Bb4+ 10. Bd2 O-O 11. O-O Bxd2 12. Qxd2 Ne7 13. a3 Ng6 14. b4 a5
15. b5 a4 16. Nc3 Qd8 17. Qc2 Nb6 18. g3 Bd7 19. Rab1 Qe7 20. Rb4 Rfc8 21. Qd2
Rc7 22. h4 Rac8 23. Nxa4 Nc4 24. Bxc4 dxc4 25. Nb6 c3 26. Nxc8 Qd8 27. Qc2 Qxc8
28. a4 Ne7 29. Rb3 Nd5 30. Rc1 Rc4 31. a5 Nb4 32. Rxb4 Rxb4 33. Qxc3 Qxc3 34.
Rxc3 Rxb5 35. Rc7 Be8 36. Rc8 Kf8 37. Ra8 Ke7 38. Kf1 Rb2 39. Ne1 Rb1 40. Ke2
Rb4 41. Ke3 f5 42. exf6+ gxf6 43. g4 Bc6 44. Rh8 Rb3+ 45. Kf4 h6 46. Rh7+ Kd6
47. Rxh6 Rb1 48. Nd3 Rb3 49. Nc5 *
Position (FEN): 8/1p6/2bkpp1R/P1N5/3P1KPP/1r6/5P2/8 b - - 4 49
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1104
Best move: Rf3#