Chess puzzle (Checkmate)
Moves: 1. e4 b6 2. Bc4 Bb7 3. d3 Nc6 4. Nf3 e6 5. a3 h6 6. Nc3 Be7 7. Be3 g5 8. Qd2 g4
9. Nd4 Nxd4 10. Bxd4 f6 11. O-O-O c5 12. Be3 h5 13. h3 gxh3 14. Rxh3 Bf8 15.
Qe2 Qe7 16. Rxh5 Rxh5 17. Qxh5+ Qf7 18. Qxf7+ Kxf7 19. Rh1 Kg6 20. Nb5 a6 21.
Nc3 Nh6 22. f3 Nf7 23. Kd2 Bh6 24. Ne2 Rh8 25. Bxh6 Rxh6 26. Rg1 Ne5 27. Kc3
Kf7 28. Nf4 Rh4 29. Ne2 Rh7 30. d4 cxd4+ 31. Nxd4 b5 32. Bb3 d5 33. exd5 Bxd5
34. Bxd5 exd5 35. f4 Nd7 36. g3 Rh3 37. Kb4 Nb6 38. Ka5 Nc4+ 39. Kxa6 Nxb2 40.
Nxb5 Nc4 41. a4 f5 42. Nc7 Rh6+ 43. Kb5 Nd6+ 44. Kc5 Ne4+ 45. Kxd5 Rd6+ 46. Ke5
Rd7 47. Nb5 Nf6 48. Kxf5 *
Position (FEN): 8/3r1k2/5n2/1N3K2/P4P2/6P1/2P5/6R1 b - - 0 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 781
Best move: Rd5#