Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Bg5 h6 10. Bd2 Ne8 11. Ne1 f5 12. f3 Nf6 13. Nd3 f4 14. c5 g5 15. Rc1
Ng6 16. Kh1 Rf7 17. Rg1 Bf8 18. cxd6 cxd6 19. a4 h5 20. g3 Rg7 21. gxf4 gxf4
22. Nb5 Bh3 23. Nc7 Nh4 24. Ne6 Qd7 25. Nxg7 Bxg7 26. Nf2 Kh8 27. Nxh3 Qxh3 28.
Rc7 Rg8 29. Qf1 Nxe4 30. Qxh3 *
Position (FEN): 6rk/ppR3b1/3p4/3Pp2p/P3np1n/5P1Q/1P1BB2P/6RK b - - 0 30
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1073
Best move: Nf2#