Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bc4 Qc7 8. Qe2
b5 9. Bb3 Be7 10. f3 Nc6 11. a3 O-O 12. g4 Na5 13. h4 Nxb3 14. Nxb3 Bb7 15. h5
Nd7 16. g5 f5 17. gxf6 Bxf6 18. Nd4 Rae8 19. O-O-O Ne5 20. Rdg1 Nc4 21. Bg5 *
Position (FEN): 4rrk1/1bq3pp/p2ppb2/1p4BP/2nNP3/P1N2P2/1PP1Q3/2K3RR b - - 7 21
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1548
Best move: Bxd4