Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. f4 d6 5. Nf3 Ng4 6. d4 exd4 7. Na4 O-O 8.
Nxc5 dxc5 9. h3 Ne3 10. Bxe3 dxe3 11. Bd3 Nc6 12. O-O Nd4 13. Ne5 Qh4 14. c3
Ne6 15. f5 Nf4 16. Qf3 g5 17. Ng4 Nxd3 18. Qxe3 Nf4 19. Kh2 Re8 20. g3 Nd5 21.
Qxc5 Qh5 22. Qxd5 Kg7 23. f6+ Kg8 24. Kg2 Bxg4 25. hxg4 Qxg4 26. Rae1 Rad8 27.
Qxb7 Rd2+ 28. Rf2 Rxf2+ 29. Kxf2 h5 30. Qxc7 h4 31. b4 Rxe4 32. Rxe4 Qxe4 33.
Qd8+ Kh7 34. Qf8 hxg3+ 35. Kxg3 Qh4+ 36. Kg2 Qg4+ 37. Kf2 Qf4+ 38. Ke2 Qh2+ 39.
Kd3 Qxa2 *
Position (FEN): 5Q2/p4p1k/5P2/6p1/1P6/2PK4/q7/8 w - - 0 40
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 935
Best move: Qg7#