Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 a6 4. e3 b5 5. Bd3 Nh5 6. Bg5 Nf6 7. Nbd2 Nbd7 8. c3
e6 9. Ne5 Bb7 10. Ndf3 Be7 11. Nxd7 Nxd7 12. Bxe7 Qxe7 13. Ne5 Nf6 14. f4 O-O
15. g3 c5 16. h4 c4 17. Bb1 b4 18. Qc2 Ne4 19. Nf3 g6 20. h5 Nxg3 21. Rg1 Nxh5
22. Kd2 a5 23. Ng5 a4 24. Nxh7 Kxh7 25. Rxg6 b3 26. Rh6+ Kxh6 *
Position (FEN): r4r2/1b2qp2/4p2k/3p3n/p1pP1P2/1pP1P3/PPQK4/RB6 w - - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 708
Best move: Qh7#