Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. c3 Nf6 4. Bf4 Bd6 5. e3 Bxf4 6. exf4 c5 7. Nbd2 Nc6 8.
dxc5 O-O 9. Bd3 b6 10. cxb6 Qxb6 11. O-O Qxb2 12. c4 Ba6 13. Qe2 Qa3 14. Nb3
Nb4 15. Nfd2 Nxd3 16. Qxd3 dxc4 17. Nxc4 Qa4 18. Rfc1 Rac8 19. Nb2 Qa3 20. Qd2
Ne4 21. Qa5 Qxb2 22. Qxa6 Qxf2+ 23. Kh1 Rxc1+ 24. Rxc1 h6 25. g3 Qf3+ 26. Kg1
Qe3+ 27. Kh1 Rd8 28. Rc8 Qf3+ 29. Kg1 Qf2+ 30. Kh1 Rxc8 31. Qxc8+ Kh7 32. Qa6
Qf3+ 33. Kg1 Qe3+ 34. Kg2 Qf2+ 35. Kh3 g5 36. Qd3 f5 37. Qd7+ Kg6 38. Qxe6+ Nf6
39. fxg5 Qf1+ 40. Kh4 *
Position (FEN): 8/p7/4Qnkp/5pP1/7K/1N4P1/P6P/5q2 b - - 2 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1500
Best move: hxg5#