Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 f5 5. Bd3 Nf6 6. Bd2 Bd6 7. Qc2 O-O 8. Nge2
Ne4 9. f3 Qh4+ 10. g3 Bxg3+ 11. Nxg3 Nxg3 12. O-O-O Nxh1 13. Rxh1 Na6 14. a3
Nc7 15. e4 Bd7 16. e5 dxc4 17. Bxc4 Nd5 18. Rg1 b5 19. Ba2 a5 20. Ne2 b4 21. a4
Rab8 22. Bb3 Qxh2 23. Qd3 c5 24. dxc5 Rbc8 25. Be3 Rf7 26. Bxd5 exd5 27. Nf4
Bxa4 28. b3 Bd7 29. e6 Bxe6 30. Nxe6 Qe5 31. Nd4 Rxc5+ 32. Kb1 Rc3 33. Qa6 Qxe3
34. Qa8+ Rf8 35. Qxd5+ Kh8 36. Rd1 Rd3 37. Rc1 Rc3 38. Rd1 Qe7 39. Nxf5 Qf6 40.
Nd6 Qg6+ 41. Kb2 Qc2+ 42. Ka1 Rxb3 43. Nf7+ Kg8 44. Nh6+ Kh8 45. Qg8+ Rxg8 *
Position (FEN): 6rk/6pp/7N/p7/1p6/1r3P2/2q5/K2R4 w - - 0 46
White to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 705
Best move: Nf7#