Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. a3 Qb6 6. Nf3 Bd7 7. b4 cxb4 8. cxb4
Nge7 9. Bb2 Ng6 10. Nbd2 Nd8 11. Nb3 Ba4 12. Qd3 a6 13. Nc5 Bxc5 14. dxc5 Qc7
15. Qe3 Nc6 16. Bd3 Nce7 17. O-O O-O 18. h4 Nf5 19. Bxf5 exf5 20. h5 Ne7 21. h6
g6 22. Qg5 f6 23. exf6 Nc6 24. Nh4 Qd7 25. Nxg6 hxg6 26. Qxg6+ Kh8 27. f7+ d4
28. Qf6+ Kh7 *
Position (FEN): r4r2/1p1q1P1k/p1n2Q1P/2P2p2/bP1p4/P7/1B3PP1/R4RK1 w - - 2 29
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 891
Best move: Qg7#