Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Bg5 exd5 5. cxd5 d6 6. Nc3 h6 7. Bh4 g5 8. Bg3
Bg7 9. Nf3 a6 10. e3 b5 11. Bd3 O-O 12. Rc1 b4 13. Ne2 Bg4 14. b3 Bxf3 15. gxf3
Nh5 16. h4 Nxg3 17. fxg3 Nd7 18. hxg5 Qxg5 19. f4 Qe7 20. Kf2 Rae8 21. e4 a5
22. Re1 f5 23. exf5 Qf7 24. Kg2 Qxd5+ 25. Kh3 Qf3 26. Bc4+ Kh8 27. Qxd6 Nf6 28.
Ng1 *
Position (FEN): 4rr1k/6b1/3Q1n1p/p1p2P2/1pB2P2/1P3qPK/P7/2R1R1N1 b - - 2 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 2010
Best move: Qh1#