Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. d4 Nc6 6. Nf3 Bg4 7. c3 e5 8.
Be3 e4 9. h3 exf3 10. hxg4 fxg2 11. Bxg2 Qxg2 12. Kd2 O-O-O 13. Kc2 Qe4+ 14.
Kc1 Be7 15. g5 f6 16. Rg1 fxg5 17. Bxg5 Bxg5+ 18. Rxg5 Qf4+ 19. Qd2 Qxd2+ 20.
Kxd2 g6 21. Re1 Rde8 22. Rf1 Re6 23. f4 Rhe8 24. Rf2 Ne7 25. Kc2 Nf5 26. b4 h6
27. Rg1 Re2+ 28. Rxe2 Rxe2+ 29. Kb3 Re6 30. d5 Rf6 31. Re1 Kd7 32. c4 Nd4+ 33.
Kc3 Nf3 34. Re4 Nh4 35. f5 Nxf5 36. c5 h5 37. b5 b6 38. c6+ Kd6 39. Kc4 h4 40.
Re8 h3 41. Rd8+ Ke7 42. Rd7+ Ke8 43. Rxc7 h2 44. Rc8+ Ke7 45. Rc7+ Kd8 46. Rh7
Ne3+ 47. Kd3 Ng4 48. Rh8+ Kc7 49. Ke4 Rf1 50. Rh7+ Kd6 51. Kd4 h1=Q *
Position (FEN): 8/p6R/1pPk2p1/1P1P4/3K2n1/8/P7/5r1q w - - 0 52
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1176
Best move: Rd7#