Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd8
8. d3 Bc5 9. Bg5 Be7 10. Bxe7 Qxe7 11. Qe2 O-O 12. O-O-O Bg4 13. h3 Bxf3 14.
gxf3 Nd4 15. Qe4 c6 16. Rhg1 a5 17. Rg3 b5 18. Rdg1 g6 19. h4 Qc5 20. h5 Ra7
21. hxg6 fxg6 22. Rxg6+ hxg6 23. Qxg6+ Rg7 *
Position (FEN): 5rk1/6r1/2p3Q1/ppq1p3/3n4/2NP1P2/PPP2P2/2K3R1 w - - 1 24
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 800
Best move: Qxg7#