Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bc5
8. O-O O-O 9. h3 f5 10. Bxc6 bxc6 11. d3 e4 12. dxe4 fxe4 13. Ne5 Qf6 14. Ng4
Bxg4 15. Qxg4 Rae8 16. Be3 Bd6 17. c3 a6 18. Bd4 Qf4 *
Position (FEN): 4rrk1/2p3pp/p1pb4/8/3BpqQ1/2P4P/PP3PP1/R4RK1 w - - 2 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 817
Best move: Qxg7#