Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 a6 5. Bc4 e6 6. Qe2 b5 7. Bb3 Bb7 8. d5 e5
9. a4 b4 10. Nd1 Nd7 11. h4 h6 12. h5 g5 13. Ne3 Ne7 14. Nh2 Nc5 15. f3 Bc8 16.
Bc4 Bd7 17. b3 O-O 18. Bb2 f5 19. exf5 Nxf5 20. Nhg4 Nd4 21. Qd1 Rf4 22. Bd3
Qf8 23. Rf1 e4 24. fxe4 Rxf1+ 25. Bxf1 Nf3+ 26. gxf3 Bxb2 27. Bh3 Qf4 28. Nxh6+
Kh7 29. Nhf5 Bc3+ 30. Ke2 g4 31. Bxg4 Re8 32. Qh1 Bxf5 33. Bxf5+ Kh8 34. Rg1
Bd4 35. Ng4 Qxf5 36. Qg2 Nxe4 37. fxe4 Rxe4+ 38. Kd1 Rf4 39. Nf6 Qxf6 *
Position (FEN): 7k/2p5/p2p1q2/3P3P/Pp1b1r2/1P6/2P3Q1/3K2R1 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 400
Best move: Qg8#