Chess puzzle (Checkmate)
Moves: 1. g3 e6 2. Bg2 d5 3. d4 Nf6 4. Nc3 c5 5. e3 Nc6 6. Nf3 Qb6 7. dxc5 Qxc5 8. O-O
Be7 9. Bd2 O-O 10. b3 Qb6 11. Na4 Qd8 12. Nb2 Ne4 13. Nd3 f5 14. Rb1 a6 15. Bc1
b5 16. Bb2 Bf6 17. Nf4 Bxb2 18. Rxb2 Qf6 19. Nd4 Ne7 20. Bxe4 fxe4 21. f3 e5
22. Nxd5 Nxd5 23. Ne2 Nxe3 24. Qd2 exf3 25. Qxe3 Bh3 26. Rf2 e4 27. Rb1 Qe6 28.
Nf4 Qe7 29. Nxh3 Rfe8 30. Re1 Qa3 31. c3 Rad8 32. Ng5 Rd3 33. Qf4 Rf8 34. Qxe4
Rxc3 35. Qe6+ Kh8 36. Nf7+ Kg8 37. Nh6+ Kh8 38. Qg8+ Rxg8 *
Position (FEN): 6rk/6pp/p6N/1p6/8/qPr2pP1/P4R1P/4R1K1 w - - 0 39
White to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 949
Best move: Nf7#