Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Bf4 Nc6 3. e3 h6 4. Nf3 Nf6 5. Nbd2 Bf5 6. c4 e6 7. Rc1 Bb4 8. a3
Bd6 9. Bg3 Bxg3 10. hxg3 Qe7 11. cxd5 exd5 12. Be2 a6 13. Nb3 Ne4 14. Nc5 Rb8
15. Nxe4 Bxe4 16. Bd3 f5 17. Bxe4 fxe4 18. Nh4 Qf6 19. Qg4 O-O 20. Ng6 *
Position (FEN): 1r3rk1/1pp3p1/p1n2qNp/3p4/3Pp1Q1/P3P1P1/1P3PP1/2R1K2R b K - 5 20
Black to move.
Themes: Attacking f2 or f7 Middlegame  
Puzzle rating: 1160
Best move: Qxf2+