Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Two_Knights_Attack
Moves: 1. e4 c6 2. Nc3 d5 3. Nf3 d4 4. Ne2 c5 5. d3 Bg4 6. Ng3 e5 7. h3 Bxf3 8. Qxf3
Bd6 9. Nf5 Bf8 10. Qg4 Qf6 11. Bg5 Qg6 12. Nxg7+ Bxg7 *
Position (FEN): rn2k1nr/pp3pbp/6q1/2p1p1B1/3pP1Q1/3P3P/PPP2PP1/R3KB1R w KQkq - 0 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 774
Best move: Qc8#