Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 d6 6. d5 Na5 7. h3 Nf6 8. Bd3 O-O
9. O-O Nd7 10. e4 Nb6 11. Qe2 Nd7 12. Bd2 a6 13. Bf4 Qc7 14. Rfe1 Ne5 15. Nxe5
Bxe5 16. Bxe5 dxe5 17. f4 f6 18. f5 b6 19. Qg4 Kg7 20. Rf1 Nb7 21. Qg3 Nd6 22.
Rac1 Rb8 23. b3 Rg8 24. Ne2 g5 25. h4 h6 26. Qg4 Bd7 27. Ng3 Be8 28. Be2 Qd7
29. Qh3 Rh8 30. Bh5 Qd8 31. Qg4 Kf8 32. a3 a5 33. Rc2 Bxh5 34. Nxh5 Qe8 35. g3
Qf7 36. Kf2 Ke8 37. Rb1 Kd7 38. Qe2 gxh4 39. gxh4 Rhg8 40. Ke3 a4 41. bxa4 Kc7
42. a5 bxa5 43. Rxb8 Rxb8 44. Qg4 Rb3+ 45. Ke2 Rxa3 46. Qg6 Qf8 47. Qg7 Qxg7
48. Nxg7 Nxe4 49. Ne6+ Kd6 50. Rb2 Nc3+ 51. Kf1 Na4 52. Rb8 Rc3 *
Position (FEN): 1R6/4p3/3kNp1p/p1pPpP2/n1P4P/2r5/8/5K2 w - - 8 53
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 950
Best move: Rd8#