Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Classical_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Qd3 f5 8.
Nc3 b6 9. O-O-O Bb7 10. Nf3 Nd7 11. d5 Nc5 12. Qb5+ Kf8 13. dxe6 Bd6 14. exf7
Ne4 15. Nxe4 fxe4 16. Ng5 Bf4+ 17. Kb1 *
Position (FEN): r2q1k1r/pbp2P1p/1p6/1Q4N1/4pb2/8/PPP2PPP/1K1R1B1R b - - 3 17
Black to move.
Themes: Hanging Piece, Queenside Attack Middlegame Mate in 1 
Puzzle rating: 451
Best move: Qxd1#