Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 g6 5. Bb2 bxc4 6. bxc4 Bg7 7. Nd2 O-O 8. e4
d6 9. Bd3 e6 10. Ne2 exd5 11. cxd5 Nbd7 12. Rc1 Rb8 13. Ba1 Re8 14. O-O Qa5 15.
Qc2 Ba6 16. Nc4 Bxc4 17. Bxc4 Nxe4 18. Bxg7 Kxg7 19. f3 Nd2 20. Rfd1 Nxc4 21.
Qxc4 Ne5 22. Qf4 Rb2 23. Nc3 c4 24. Ne4 Nd3 25. Qf6+ Kg8 26. Nxd6 Qb6+ 27. Kh1
Nf2+ 28. Kg1 Nxd1+ 29. Kh1 Nf2+ 30. Kg1 Nh3+ 31. Kh1 Qg1+ 32. Rxg1 *
Position (FEN): 4r1k1/p4p1p/3N1Qp1/3P4/2p5/5P1n/Pr4PP/6RK b - - 0 32
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 992
Best move: Nf2#