Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Normal_Variation
Moves: 1. e4 e6 2. d4 g5 3. h3 Bg7 4. Nf3 h6 5. c4 b6 6. Nc3 d6 7. Bd3 Bb7 8. Kf1 Nd7
9. b3 Qe7 10. Bb2 O-O-O 11. e5 d5 12. Ne2 dxc4 13. Bxc4 Bxf3 14. gxf3 Nxe5 15.
Ba6+ Kb8 16. Qc2 Nxf3 17. Qc6 Nd2+ 18. Kg2 Qd6 *
Position (FEN): 1k1r2nr/p1p2pb1/BpQqp2p/6p1/3P4/1P5P/PB1nNPK1/R6R w - - 4 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 768
Best move: Qb7#