Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bg5 a5 7. e5 h6 8.
exf6 hxg5 9. Qe2+ Be7 10. fxe7 Qxe7 11. Qxe7+ Kxe7 12. Nc3 Rb8 13. O-O-O Rh4
14. Bc4 Rxc4 15. Rhe1+ Kf8 16. Ne4 f6 17. b3 Rcb4 18. a3 R4b5 19. Re3 d5 20.
Nc3 R5b6 21. Na4 R6b7 22. Nc5 Rb5 23. Nd3 c5 24. Rde1 c4 25. Re8+ Kf7 26. R1e7+
Kg6 27. Rxc7 cxd3 28. Rcxc8 Rxc8 29. Rxc8 dxc2 30. Kxc2 d4 31. Rd8 Kf5 32. Rxd4
Ke5 33. Kd3 g6 34. Re4+ Kf5 35. b4 axb4 36. axb4 g4 37. g3 Kg5 38. Kc4 f5 39.
Rf4 Rb8 40. b5 Kf6 41. Kc5 Ke6 42. Rd4 Ke5 43. Rd5+ Ke4 44. Rd2 Rc8+ 45. Kb6
Rb8+ 46. Kc6 Rc8+ 47. Kb7 Rh8 48. b6 Rxh2 49. Ka7 Kf3 50. b7 Rxf2 51. Rxf2+
Kxf2 52. b8=Q g5 53. Qe5 Kf3 54. Kb6 f4 55. Qc3+ Kg2 56. gxf4 gxf4 57. Qd2+ Kg3
58. Qe1+ Kh3 59. Qf1+ Kg3 60. Qg1+ Kf3 61. Kc5 g3 62. Kd4 Kg4 63. Ke4 f3 64.
Ke3 f2 65. Qg2 Kh5 66. Ke2 Kg4 67. Kf1 Kf4 68. Qh3 Kf3 69. Qf5+ Ke3 70. Qg5+
Kf3 71. Qh4 *
Position (FEN): 8/8/8/8/7Q/5kp1/5p2/5K2 b - - 13 71
Black to move.
Themes: Advanced Pawn Endgame, Queen Endgame Mate in 1 
Puzzle rating: 585
Best move: g2#