Chess puzzle (Crushing)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 f6 7. exf6 Nxf6 8. Be2
Be7 9. O-O O-O 10. Nbd2 Qc7 11. b4 c4 12. h3 Bd6 13. Nxc4 Be7 14. Ne3 b5 15.
Bxb5 a6 16. Bd3 e5 17. dxe5 Nxe5 18. Bc2 Nxf3+ 19. Qxf3 Bb7 20. Qf4 *
Position (FEN): r4rk1/1bq1b1pp/p4n2/3p4/1P3Q2/P1P1N2P/2B2PP1/R1B2RK1 b - - 2 20
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 825
Best move: Qxf4