Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Classical_Variation
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 Qxd4 6. Be3 Qd8 7. Qe2 Nd7 8.
O-O-O g6 9. Bd4 e5 10. f4 exd4 *
Position (FEN): r2qkbnr/pp1n1p1p/2p3p1/5b2/3pNP2/3B4/PPP1Q1PP/2KR2NR w kq - 0 11
White to move.
Themes: Double Check Opening Mate in 1 
Puzzle rating: 718
Best move: Nd6#