Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Qxe7+ Bxe7
8. Bg5 O-O 9. Be2 h6 10. Bh4 Nd5 11. Bxe7 Nxe7 12. O-O Bf5 13. Nc3 c6 14. Rfe1
Ng6 15. Nd4 Bd7 16. Nf3 Na6 17. a3 Nc5 18. d4 Ne6 19. d5 Nef4 20. Bc4 c5 21.
Nb5 Bxb5 22. Bxb5 Nxd5 23. Rad1 Nc7 24. Bc4 Rad8 25. b3 d5 26. Bf1 d4 27. Bd3
Rfe8 28. Kf1 Nf4 29. Be4 b6 30. Bc6 Rxe1+ 31. Rxe1 Nfe6 32. g3 Rd6 33. Be4 Nb5
34. a4 Nc3 35. Bd3 Kf8 36. Ne5 Ng5 37. h4 Ne6 38. Kg2 Nc7 39. Bc4 f6 *
Position (FEN): 5k2/p1n3p1/1p1r1p1p/2p1N3/P1Bp3P/1Pn3P1/2P2PK1/4R3 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1176
Best move: Ng6#