Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Exchange_Variation
Moves: 1. e4 c6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Bf5 6. Bc4 h6 7. Ne5 e6 8. Qh5
g6 9. Qe2 Qxd4 10. g4 Bxc2 11. Nxf7 Kxf7 12. Qxe6+ Kg7 *
Position (FEN): rn3bnr/pp4k1/2p1Q1pp/8/2Bq2P1/2N5/PPb2P1P/R1B1K2R w KQ - 1 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1136
Best move: Qf7#