Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Bxf6 gxf6 9. Na3 b5 10. Nd5 Bg7 11. Bd3 O-O 12. Qh5 Qa5+ 13. c3 b4 14. Nc4 Qc5
15. O-O bxc3 16. bxc3 Be6 17. Nce3 Rae8 18. Kh1 Ne7 19. f4 Nxd5 20. exd5 h6 21.
Rf3 Qxc3 22. Rd1 Bxd5 23. Rg3 exf4 24. Rxg7+ Kxg7 25. Nf5+ Kg8 26. Qg4+ Kh8 *
Position (FEN): 4rr1k/5p2/p2p1p1p/3b1N2/5pQ1/2qB4/P5PP/3R3K w - - 4 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 843
Best move: Qg7#