Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Bf4 Bf5 3. e3 Nf6 4. Bd3 Bg6 5. Nf3 e6 6. O-O Bd6 7. Bg3 Bxg3 8.
fxg3 Bh5 9. Nbd2 Ng4 10. Qe1 Nd7 11. e4 Bg6 12. Nh4 dxe4 13. Nxg6 hxg6 14. h3
exd3 15. hxg4 Qe7 16. Qe4 Nf6 17. Qxd3 Nxg4 18. Qf3 f5 19. Qxb7 Rd8 20. Qxa7 *
Position (FEN): 3rk2r/Q1p1q1p1/4p1p1/5p2/3P2n1/6P1/PPPN2P1/R4RK1 b k - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1919
Best move: Qg5