Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Classical_Variation
Moves: 1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Bd3 c5 6. b3 cxd4 7. Nb5 Bc5 8. Nf3
Nc6 9. Nd6+ Bxd6 10. exd6 Nde5 11. Nxe5 Nxe5 12. Bb5+ Nc6 13. Qg4 Qa5+ 14. Bd2
Qxb5 15. Qxg7 Rf8 16. O-O-O Bd7 17. Qf6 a5 18. a4 Qc5 19. Bh6 Nb4 *
Position (FEN): r3kr2/1p1b1p1p/3PpQ1B/p1qp4/Pn1p4/1P6/2P2PPP/2KR3R w q - 3 20
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1194
Best move: Qe7#