Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. Nf3 d5 5. Be3 Bg4 6. Be2 e6 7. O-O c5 8. c3
N6d7 9. Qb3 Qb6 10. Nbd2 Nc6 11. Rac1 c4 12. Qc2 a5 13. b3 cxb3 14. axb3 Be7
15. c4 Bf5 16. Bd3 Nb4 17. Qc3 Nxd3 18. Ra1 Bb4 19. Qc2 N3xe5 20. Qb2 dxc4 21.
dxe5 c3 22. Qa2 Qc6 23. Nc4 O-O 24. Rac1 b5 25. Nd4 Qc7 26. Nd6 Nxe5 27. N6xb5
Qd7 28. Nxc3 Nd3 29. Rc2 Bg6 30. Ncb5 e5 31. Rc7 Qe8 32. Nd6 Bxd6 33. Rc6 exd4
34. Rxd6 dxe3 35. fxe3 Qxe3+ 36. Kh1 Rad8 37. Ra6 Nf2+ 38. Kg1 Rd2 39. Qxa5
Nh3+ 40. Kh1 Qg1+ 41. Rxg1 *
Position (FEN): 5rk1/5ppp/R5b1/Q7/8/1P5n/3r2PP/6RK b - - 0 41
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 950
Best move: Nf2#