Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. d4 d6 3. Nc3 Nd7 4. Nf3 h6 5. Be3 g5 6. Bd3 Bg7 7. Qd2 Nf8 8. O-O-O
Qc7 9. e5 dxe5 10. dxe5 Bxe5 11. Nxe5 Qxe5 12. Be2 Qc7 13. h4 g4 14. Bf4 e5 15.
Bxe5 Qxe5 *
Position (FEN): r1b1knnr/pp3p2/2p4p/4q3/6pP/2N5/PPPQBPP1/2KR3R w kq - 0 16
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 767
Best move: Qd8#