Chess puzzle (Equality)
Moves: 1. e4 c5 2. Bc4 Nc6 3. c3 a6 4. a4 e6 5. f4 Qh4+ 6. g3 Qe7 7. Nf3 Nf6 8. e5 Nd5
9. O-O Na5 10. Be2 c4 11. d4 Nb3 12. Ra3 Qd8 13. Ra2 Nxc1 14. Qxc1 Qc7 15. Nbd2
Nb6 16. a5 Nd5 17. Nxc4 Be7 18. b4 O-O 19. Rc2 b6 20. axb6 Nxb6 21. Nxb6 Qxb6
22. Ra2 Bb7 23. Qb2 Rfc8 24. Rfa1 Bd5 25. Rxa6 Qb7 26. Rxa8 Rxa8 27. Rxa8+ Qxa8
28. Kf2 h6 29. h4 f6 30. c4 Be4 31. c5 fxe5 32. Nxe5 Bh1 33. Bf3 Bxf3 34. Nxf3
Qd5 35. b5 Bf6 36. b6 Qb7 37. Ne5 Kh7 38. Qc2+ Kg8 39. Qg6 d6 40. Ng4 *
Position (FEN): 6k1/1q4p1/1P1ppbQp/2P5/3P1PNP/6P1/5K2/8 b - - 1 40
Black to move.
Themes:  Endgame  
Puzzle rating: 841
Best move: Bxd4+