Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. e4 c5 3. Nf3 Bg7 4. Bc4 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. O-O e6 8.
c3 d5 9. exd5 cxd5 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. Bf4 Ne7 13. Nd2 O-O 14. Qg4
Qb7 15. Rfb1 Nc6 16. Bd6 Rfd8 17. Bg3 Ne5 18. Bxe5 Bxe5 19. f4 Bg7 20. Qe2 Rd6
21. Nb3 Rb6 22. Nc5 Qc6 23. Nd3 Rab8 24. Qc2 Qb7 25. b4 Rc8 26. Rb3 Rbc6 27.
Rc1 Rxc3 28. Rxc3 Rxc3 29. Qd2 Rxc1+ 30. Qxc1 h5 31. Qb1 Qa6 32. Qb3 Bd4+ 33.
Kf1 Qb5 34. a4 Qb7 35. b5 a6 36. Nc1 axb5 37. Qxb5 Qxb5+ 38. axb5 Kg7 39. Ke2
Kf6 40. Kd3 Bb6 41. Ne2 g5 42. fxg5+ Kxg5 43. Nd4 Kf4 44. g3+ Ke5 45. Nf3+ Kd6
46. Ng5 f5 47. Nh7 Bd8 48. Nf8 e5 49. Ng6 e4+ 50. Ke3 Bg5+ 51. Ke2 Kc5 52. Ne5
Kxb5 53. h4 Bf6 54. Ng6 d4 55. Nf4 d3+ 56. Kd2 Kc4 57. Nxh5 Be5 58. Nf4 Bxf4+
59. gxf4 Kd4 60. h5 e3+ 61. Kd1 Kc3 62. h6 e2+ 63. Ke1 Kd4 64. h7 Ke3 65. h8=Q
*
Position (FEN): 7Q/8/8/5p2/5P2/3pk3/4p3/4K3 b - - 0 65
Black to move.
Themes: Advanced Pawn Endgame, Queen Endgame Mate in 1 
Puzzle rating: 868
Best move: d2#