Chess puzzle (Checkmate)
Moves: 1. Nh3 e5 2. Na3 d5 3. g3 c5 4. Bg2 f5 5. c4 Nf6 6. O-O Nc6 7. d3 d4 8. e3 Be7
9. exd4 cxd4 10. Rb1 O-O 11. Nc2 Bd7 12. b4 Bd6 13. c5 Bc7 14. b5 Ne7 15. Bxb7
Rb8 16. Bg2 Bxb5 17. Ng5 Qd7 18. Na3 Bc6 19. Nf3 Ned5 20. Rxb8 Rxb8 21. Qc2 Nc3
22. Nc4 Qe7 23. Re1 Qxc5 24. Nfxe5 Bxg2 25. Kxg2 Re8 26. Nf3 Qd5 27. Rxe8+ Nxe8
28. Bd2 Nb5 29. Qa4 Ned6 30. Nxd6 Nxd6 31. Qd7 h6 32. Qxc7 g5 33. Qd8+ Kg7 34.
Bxg5 hxg5 35. Qxg5+ Kf7 36. Qd2 Nb5 37. Qf4 Nc3 38. Kh3 Ne2 39. Ng5+ Kg6 40.
Qh4 *
Position (FEN): 8/p7/6k1/3q1pN1/3p3Q/3P2PK/P3nP1P/8 b - - 10 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 986
Best move: Ng1#