Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Bf5 3. e3 Nf6 4. Nf3 e6 5. Be2 a6 6. Nbd2 Nc6 7. Nb3 Bb4+ 8.
Nbd2 Qe7 9. a3 Ba5 10. O-O h6 11. Nb3 Bb6 12. Ne5 Nxe5 13. Bxe5 g5 14. Qd2 Ne4
15. Qd1 f6 16. Bg3 h5 17. h3 g4 18. hxg4 *
Position (FEN): r3k2r/1pp1q3/pb2pp2/3p1b1p/3Pn1P1/PN2P1B1/1PP1BPP1/R2Q1RK1 b kq - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1708
Best move: hxg4