Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Qa4 e6 5. Bg5 Be7 6. e3 O-O 7. cxd5 Nxd5 8.
Bxe7 Nxe7 9. Bd3 Nd7 10. Nf3 Nf6 11. h4 b5 12. Qc2 Qc7 13. Ne4 Nxe4 14. Bxe4
Nf5 15. g4 Nh6 16. Bxh7+ Kh8 17. g5 Nf5 18. Bxf5 exf5 19. Ne5 Be6 20. Rc1 Rac8
21. h5 Bd5 22. Rh2 Be4 23. Qc3 Qd6 24. h6 g6 25. d5 cxd5 26. Nc6+ Kh7 *
Position (FEN): 2r2r2/p4p1k/2Nq2pP/1p1p1pP1/4b3/2Q1P3/PP3P1R/2R1K3 w - - 2 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 678
Best move: Qg7#