Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 e5 7. d5 a5 8. a4 Na6
9. Be3 Nh5 10. Qd2 f5 11. Bg5 Qe8 12. Be2 Nc5 13. exf5 Nb3 14. Qd1 Nxa1 15.
Qxa1 gxf5 16. Nb5 Qf7 17. Nd2 h6 18. Qd1 Nf4 19. Bxf4 exf4 20. O-O Kh8 21. Bh5
Qf6 22. b3 c6 23. dxc6 bxc6 24. Bf3 d5 25. Na3 Ba6 26. Re1 Rae8 27. cxd5 cxd5
28. Bxd5 Qd6 29. Rxe8 Rxe8 30. Ndc4 Qb4 31. Qh5 Qe1+ 32. Kh2 Rf8 33. Qf3 Qc1
34. Nd6 Qxa3 35. Nf7+ Kh7 36. Qh5 Qe7 37. Qxf5+ Kg8 38. Ng5+ Kh8 *
Position (FEN): 5r1k/4q1b1/b6p/p2B1QN1/P4p2/1P5P/5PPK/8 w - - 3 39
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 851
Best move: Qh7#