Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. Bf4 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nd2 O-O 6. Ngf3 d6 7. O-O Nbd7 8. e4
Qe8 9. e5 dxe5 10. dxe5 Nh5 11. Bc4+ Kh8 12. Bg5 Nxe5 13. Nxe5 Bxe5 14. Re1 Bf6
15. Nf3 b5 16. Bb3 Bb7 17. Bxf6+ Nxf6 18. Ng5 e5 19. Qe2 Qc6 20. f3 Rae8 21.
Rad1 e4 22. Qf2 exf3 23. Nxf3 Ng4 24. Qd4+ Nf6 25. Rxe8 Qxe8 26. Re1 Qd8 27.
Qc3 Bxf3 28. Qxf3 Ne4 29. Qf4 Qd4+ 30. Qe3 Qxb2 31. Rd1 Qe5 32. Qxa7 Nc3 33.
Rf1 c5 34. Bf7 Qd4+ 35. Kh1 Ne4 36. Qe7 Nf2+ 37. Kg1 Nh3+ 38. Kh1 Qg1+ 39. Rxg1
*
Position (FEN): 5r1k/4QB1p/6p1/1pp2p2/8/7n/P1P3PP/6RK b - - 0 39
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 999
Best move: Nf2#