Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. Bg5 Nf6 3. f3 b6 4. Nd2 d5 5. e3 Bb7 6. Bd3 e6 7. Ne2 Be7 8. O-O
O-O 9. Nf4 Bc8 10. c4 c6 11. Qe1 Qe8 12. Qg3 Qf7 13. e4 Kh8 14. e5 Ng8 15. Bxe7
Nxe7 16. a3 Rg8 17. h4 g6 18. Nh3 h6 19. f4 Rg7 20. Nf3 Bb7 21. cxd5 cxd5 22.
Rac1 Ng8 23. Kf2 Nc6 24. Rh1 h5 25. Nhg5 Qe7 26. Bb5 Rc8 27. Rc2 Nh6 28. Rhc1
Qd7 29. b4 a6 30. Bxc6 Rxc6 31. Rxc6 Bxc6 32. Nh2 Bb5 33. Qc3 Bc4 34. Ngf3 b5
35. Nd2 Ng4+ 36. Nxg4 hxg4 37. a4 Rh7 38. axb5 axb5 39. Kg3 Qe7 40. Ra1 *
Position (FEN): 7k/4q2r/4p1p1/1p1pPp2/1PbP1PpP/2Q3K1/3N2P1/R7 b - - 3 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 928
Best move: Qxh4#