Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. d5
Nc5 9. Qc2 a5 10. Ne1 Nfd7 11. Nd3 f5 12. f3 f4 13. Bd2 g5 14. b3 b6 15. Nf2
Nf6 16. a3 h5 17. b4 Ncd7 18. Na4 Rf7 19. c5 Bf8 20. c6 Nb8 21. b5 Rg7 22. g4
hxg4 23. fxg4 Rh7 24. Bf3 Rh4 25. h3 Qe7 26. Kg2 Qh7 27. Rh1 Kh8 28. Rac1 Be7
29. Nc3 a4 30. Rcg1 Qg6 31. Be1 Rh7 32. Kf1 Bf8 33. Qe2 Na6 34. bxa6 Bxa6 35.
Nd3 b5 36. Nb4 Bc8 37. Bf2 Rb8 38. Ke1 Bg7 39. Kd2 Qf7 40. Kc1 Qg6 41. Kb2 Ne8
42. h4 gxh4 43. Rxh4 Nf6 44. Rgh1 Kg8 45. Be1 Rxh4 46. Rxh4 Nh7 47. Rh5 Ng5 48.
Bh4 Nxf3 49. Qxf3 Bxg4 50. Rg5 Qxg5 51. Bxg5 Bxf3 52. Kc2 Kf7 53. Kd3 Kg6 54.
Bh4 Bf6 55. Bxf6 Kxf6 56. Na6 Rc8 57. Nxb5 Bg2 58. Naxc7 Bf1+ 59. Kd2 f3 60.
Ke3 Be2 61. Ne6 Rg8 62. Nxd6 Rg2 63. c7 f2 64. c8=Q *
Position (FEN): 2Q5/8/3NNk2/3Pp3/p3P3/P3K3/4bpr1/8 b - - 0 64
Black to move.
Themes: Advanced Pawn Endgame Mate in 1 Promotion, Underpromotion
Puzzle rating: 931
Best move: f1=N#