Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Karpov_Variation
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 e6 7. Bg5 Be7 8.
Qe2 h6 9. Bh4 O-O 10. O-O-O Qb6 11. Nxf6+ Nxf6 12. Bxf6 Bxf6 13. Qe4 Bd7 *
Position (FEN): r4rk1/pp1b1pp1/1qp1pb1p/8/3PQ3/3B1N2/PPP2PPP/2KR3R w - - 2 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 411
Best move: Qh7#