Chess puzzle (Checkmate)
Moves: 1. Nf3 d6 2. e3 e5 3. b3 Qf6 4. Bb2 Be7 5. Be2 Qg6 6. d3 Nd7 7. g3 Nc5 8. Nbd2
f5 9. Nc4 e4 10. dxe4 fxe4 11. b4 d5 12. Nce5 Qb6 13. Qxd5 Qxb4+ 14. Kf1 Be6
15. Nc6 Qxb2 16. Qd4 Qxd4 17. Nfxd4 Bh3+ 18. Ke1 bxc6 19. Rb1 Bg2 20. Rg1 Bf3
21. Nxc6 Bxe2 22. Kxe2 Nf6 23. Rgd1 O-O 24. Nxe7+ Kh8 25. Nc6 Ng4 26. h3 Nxf2
27. Rd5 Ne6 28. Rd7 Nxh3 29. Rb7 Rf2+ 30. Kd1 Rff8 31. Nd4 Nhg5 32. Ke2 Rg8 33.
Nf5 Nc5 34. Rbxc7 Nxd7 35. Rxd7 Rae8 36. c4 Re5 37. Nd6 Ne6 *
Position (FEN): 6rk/p2R2pp/3Nn3/4r3/2P1p3/4P1P1/P3K3/8 w - - 3 38
White to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 1175
Best move: Nf7#