Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bb5+ Bd7 7. a4 O-O 8. O-O
Bg4 9. h3 Bxf3 10. Qxf3 a6 11. Be2 Nbd7 12. a5 Ne8 13. Bd2 Nc7 14. Qg3 Rb8 15.
Ra2 b5 16. axb6 Rxb6 17. Na4 Rb7 18. b3 Nb5 19. c3 Nc7 20. c4 Qb8 21. Bd1 Bd4
22. Kh1 Nb6 23. Nc3 Nd7 24. Ne2 Bg7 25. f4 Nf6 26. Bc2 Nd7 27. Ng1 e6 28. Ba5
exd5 29. exd5 Nf6 30. f5 Nce8 31. Qe3 Nh5 32. g4 Bd4 33. Qd3 Nhg7 34. Nf3 Bf6
35. Re1 g5 36. h4 h6 37. hxg5 hxg5 38. Bd1 Re7 39. Rh2 Qb7 40. Bc2 Rxe1+ 41.
Bxe1 Bb2 42. Nxg5 Qe7 43. Rh8+ Kxh8 44. Qh3+ Nh5 45. Qxh5+ Kg8 *
Position (FEN): 4nrk1/4qp2/p2p4/2pP1PNQ/2P3P1/1P6/1bB5/4B2K w - - 1 46
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 854
Best move: Qh7#