Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Bb4 6. Bd3 dxc4 7. Bxc4 Ne4 8. O-O
Bxc3 9. bxc3 Nxc3 10. Qc2 Nd5 11. e4 Nb6 12. Bb3 O-O 13. Ba3 Re8 14. Rad1 a5
15. Ne5 a4 16. Bc4 Nxc4 17. Nxc4 Nd7 18. Nd6 Nf6 19. Nxe8 Qxe8 20. Rfe1 b5 21.
d5 cxd5 22. exd5 Bb7 23. dxe6 fxe6 24. Qc7 Bd5 25. g4 Qg6 26. h3 Qh6 27. Re3
Nxg4 28. hxg4 *
Position (FEN): r5k1/2Q3pp/4p2q/1p1b4/p5P1/B3R3/P4P2/3R2K1 b - - 0 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 683
Best move: Qh1#