Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Schlechter_Variation
Moves: 1. e4 e6 2. d4 d5 3. Bd3 c5 4. dxc5 dxe4 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. b4 Ngf6
8. Ne2 a5 9. c3 axb4 10. cxb4 b6 11. c6 Bxb4+ 12. Kf1 Ne5 13. Nd4 Nxc6 14. Nxc6
*
Position (FEN): r2qk2r/5ppp/1pN1pn2/8/1b2p3/8/P4PPP/RNBQ1K1R b kq - 0 14
Black to move.
Themes: Hanging Piece Opening Mate in 1 
Puzzle rating: 400
Best move: Qxd1#