Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. Nf3 Nf6 3. Bd3 Bg7 4. c3 d6 5. h3 b5 6. O-O Bb7 7. Re1 Nbd7 8. Bc2
O-O 9. d3 h6 10. Nbd2 g5 11. Nh2 d5 12. e5 Ne8 13. d4 c5 14. Ndf1 f5 15. exf6
Nexf6 16. Ng3 e6 17. Rxe6 Ne4 18. Nxe4 dxe4 19. Bxe4 Bxe4 20. Rxe4 Nf6 21. Re2
Nh5 22. Be3 c4 23. Qc2 Qd5 24. Rae1 Rf5 25. Ng4 Nf4 26. Bxf4 gxf4 27. Re8+ Rxe8
28. Rxe8+ Kf7 29. Qe2 h5 30. Qe7+ Kg6 31. Ne5+ Kh7 32. Rg8 Qxg8 33. Nf3 Qd5 34.
Qxa7 Qe4 35. Qd7 Qb1+ 36. Kh2 Rf6 37. Qxb5 Rg6 38. Qxh5+ Kg8 39. Nh4 Rh6 40.
Qe8+ Kh7 41. Nf3 Qxb2 *
Position (FEN): 4Q3/6bk/7r/8/2pP1p2/2P2N1P/Pq3PPK/8 w - - 0 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 833
Best move: Ng5#