Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Breyer_Variation
Moves: 1. e4 c6 2. d3 d5 3. Qe2 dxe4 4. dxe4 e5 5. h3 Nd7 6. Nf3 Ngf6 7. a3 Bd6 8.
Nbd2 O-O 9. g4 Re8 10. Bg2 Nf8 11. Nf1 a5 12. Ng3 b5 13. Nh5 b4 14. a4 Ba6 15.
Qe3 N8d7 16. h4 Qe7 17. Bh3 Bc5 18. Qg5 Nxe4 *
Position (FEN): r3r1k1/3nqppp/b1p5/p1b1p1QN/Pp2n1PP/5N1B/1PP2P2/R1B1K2R w KQ - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 833
Best move: Qxg7#