Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. c4 d6 6. Nc3 Nbd7 7. Be2 b6 8. O-O
Bb7 9. Nd2 e5 10. Bg3 a6 11. Bf3 Qc8 12. Re1 Re8 13. Bxb7 Qxb7 14. Qf3 Reb8 15.
Rac1 h5 16. h3 g5 17. Nce4 g4 18. hxg4 hxg4 19. Nxf6+ Bxf6 20. Qf5 c5 21. Ne4
Be7 22. Qxg4+ Kf8 23. dxe5 Nxe5 24. Bxe5 dxe5 25. Rcd1 Rd8 26. Nc3 Qc6 27. Nd5
b5 28. b3 bxc4 29. bxc4 Qe6 30. Qh5 Bf6 31. Qh6+ Bg7 32. Qxe6 fxe6 33. Nc7 Rxd1
34. Rxd1 Rb8 35. Nxe6+ Kf7 36. Nxc5 Rb2 37. Nxa6 Rxa2 38. Nb4 Ra4 39. Rb1 Bf8
40. Nd3 e4 41. Rb7+ Ke6 42. Nf4+ Kf5 43. Rb5+ Kg4 44. c5 Be7 45. c6 Rc4 46. Re5
Bd6 47. Re6 Bc7 48. Nd5 *
Position (FEN): 8/2b5/2P1R3/3N4/2r1p1k1/4P3/5PP1/6K1 b - - 6 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 609
Best move: Rc1#