Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Nc3 Nxc3 7. bxc3 Qc7 8.
Bd2 d6 9. f4 Nd7 10. Nf3 Be7 11. Bd3 b6 12. Be4 Bb7 13. Bd3 O-O 14. O-O g6 15.
g4 Rfd8 16. Qc2 Rac8 17. exd6 Bxd6 18. f5 Nf6 19. fxg6 hxg6 20. Bg5 Nd5 21.
Bxg6 fxg6 22. Bxd8 Rxd8 23. Qxg6+ Qg7 24. Qxe6+ Qf7 25. Qxf7+ Kxf7 26. Ne5+ Kg8
27. Nf7 Rd7 28. Nxd6 Rxd6 29. Rae1 Nxc3 30. Re8+ Kg7 31. Re7+ Kg6 32. Rxb7 Rxd4
33. Rxa7 Rxg4+ 34. Kh1 Rb4 35. Rc1 Ne4 36. a4 Rb2 37. Rc6+ Kf5 38. Rb7 Nf2+ 39.
Kg2 Ng4+ 40. Kg1 Nxh2 41. Rbxb6 Nf3+ 42. Kf1 Ra2 43. Rb5+ Kf4 44. Rf6+ Kg3 45.
Rb3 *
Position (FEN): 8/8/5R2/8/P7/1R3nk1/r7/5K2 b - - 8 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1700
Best move: Rf2#