Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. Bg5 O-O 6. e3 c5 7. d5 Nbd7 8. Bd3
e6 9. e4 exd5 10. exd5 Re8+ 11. Be2 Ne5 12. O-O a6 13. h3 Bf5 14. Bf4 Nxf3+ 15.
Bxf3 Ne4 16. Nxe4 Bxe4 17. Bxe4 Rxe4 18. Bg3 Rxc4 19. Qb3 Rb4 20. Qf3 Rxb2 21.
Rab1 Rxb1 22. Rxb1 b5 23. a4 b4 24. Re1 Qd7 25. Qe4 Kf8 26. a5 b3 27. f4 Re8
28. Qb1 Rxe1+ 29. Bxe1 c4 30. Bb4 Bd4+ 31. Kf1 Kg7 32. Qe4 Bf6 33. g4 c3 34. g5
Qxh3+ 35. Kf2 Qh2+ 36. Kf1 c2 37. gxf6+ Kh6 38. Bd2 b2 39. f5+ Qxd2 *
Position (FEN): 8/5p1p/p2p1Ppk/P2P1P2/4Q3/8/1ppq4/5K2 w - - 0 40
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 614
Best move: Qh4#