Chess puzzle (Equality)
Moves: 1. d4 d5 2. c4 e6 3. e3 Nc6 4. c5 b6 5. b4 Nxb4 6. a3 Nc6 7. Bb5 Bd7 8. cxb6
axb6 9. Nf3 Ra5 10. a4 Nce7 11. Bxd7+ Qxd7 12. O-O Nf6 13. Ne5 Qd8 14. Qf3 Ra8
15. Nc3 Ng6 16. Nxg6 hxg6 17. Nb5 c6 18. Nc3 Qc7 19. Qg3 Bd6 20. f4 Nh5 21. Qg4
Rh6 22. Ba3 f5 23. Bxd6 Qxd6 24. Qg5 Qb4 25. Rfc1 c5 26. dxc5 bxc5 27. Nb5 Kd7
28. Rab1 Qd2 29. Re1 d4 30. Nxd4 *
Position (FEN): r7/3k2p1/4p1pr/2p2pQn/P2N1P2/4P3/3q2PP/1R2R1K1 b - - 0 30
Black to move.
Themes:  Middlegame  
Puzzle rating: 1590
Best move: cxd4