Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Advance_Variation
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bh7 6. e6 fxe6 7. Bd3 Nf6 8. Bxh7
Nxh7 9. Qd3 Nf6 10. g5 hxg5 11. Bxg5 Nbd7 *
Position (FEN): r2qkb1r/pp1np1p1/2p1pn2/3p2B1/3P3P/3Q4/PPP2P2/RN2K1NR w KQkq - 1 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 680
Best move: Qg6#