Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Schlechter_Variation
Moves: 1. d4 e6 2. e4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nc6 6. c3 Bd7 7. Bf4 Nd5 8.
Bg3 Qg5 9. h4 Qh6 10. Nd2 O-O-O 11. Ne2 Be7 12. c4 Nb6 13. Qc2 Bf6 14. d5 exd5
15. cxd5 Nb4 *
Position (FEN): 2kr3r/pppb1ppp/1n3b1q/3P4/1n5P/5BB1/PPQNNPP1/R3K2R w KQ - 1 16
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1089
Best move: Qxc7#