Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 a6 5. Nf3 Nc6 6. Bg5 f6 7. exf6 Nxf6 8. Bxf6
Qxf6 9. dxc5 Bxc5 10. Be2 O-O 11. Nbd2 e5 12. Qb3 Ne7 13. O-O-O Bxf2 14. Ne4
Qf4+ 15. Nfd2 Be3 16. g3 Bxd2+ 17. Nxd2 b5 *
Position (FEN): r1b2rk1/4n1pp/p7/1p1pp3/5q2/1QP3P1/PP1NB2P/2KR3R w - - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1700
Best move: gxf4