Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Bg5 d6 5. Be2 Be7 6. Nc3 h6 7. Bxf6 Bxf6 8.
Nd5 O-O 9. a3 Be6 10. c4 Ne7 11. Qb3 Nxd5 12. cxd5 Bc8 13. O-O a5 14. Qc3 Qd7
15. Rac1 Bd8 16. d4 f6 17. dxe5 dxe5 18. b3 b5 19. Qc6 Qxc6 20. Rxc6 Bb7 21.
Rc2 b4 22. axb4 axb4 23. Bb5 f5 24. Nxe5 fxe4 25. Bc6 Bxc6 26. Nxc6 Re8 27. Re2
Bf6 28. Rb1 Bc3 29. Rd1 Ra6 30. Nd4 *
Position (FEN): 4r1k1/2p3p1/r6p/3P4/1p1Np3/1Pb5/4RPPP/3R2K1 b - - 8 30
Black to move.
Themes:  Endgame  
Puzzle rating: 1197
Best move: Bxd4