Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Two_Knights_Attack
Moves: 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qe2 e6 6. d4 Nd7 7. Bf4 Qb6 8.
O-O-O Ngf6 9. Nd6+ Bxd6 10. Bxd6 a5 11. Nh4 Bg6 12. f4 Bh5 13. Qe3 Bxd1 14. Nf5
O-O-O *
Position (FEN): 2kr3r/1p1n1ppp/1qpBpn2/p4N2/3P1P2/4Q3/PPP3PP/2Kb1B1R w - - 2 15
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 856
Best move: Ne7#