A MUST KNOW Attack in the Queen's Gambit Declined! - Master the Harrwitz Attack

We Are continuing our d4 theory with some Queen’s gambit studies. Today’s lesson will be the very popular Harrwitz attack of the Queen’s gambit declined with some beautiful tactical and strategical elements. PGN of the game: [Event "Vugar Gashimov Mem 2019"] [Site "https://lichess.org/662hZ5HY"] [Date "2019.04.06"] [Round "6.4"] [White "Karjakin, Sergey (2753)"] [Black "Anand, V. (2779)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D37"] [Opening "Queen's Gambit Declined: Harrwitz Attack"] [Termination "Normal"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3 Rd8 11. Nd2 d4 12. Nb3 Qb6 13. Na4 Bb4+ 14. axb4 Qxb4+ 15. Nd2 e5 16. Bg5 Qa5 17. Qb3 Nb4 18. Bxf6 gxf6 19. Be2 Bd7 20. Ra1 dxe3 21. fxe3 b5 22. O-O bxa4 23. Qc3 f5 24. Nf3 f6 25. Nh4 Nc6 26. Qa3 e4 27. Bd1 Ne5 28. Bxa4 Qxa4 29. Qxa4 Bxa4 30. Rxa4 f4 31. c5 fxe3 32. Rxe4 Rab8 33. Rxe3 Rxb2 34. h3 Rc2 35. Rxf6 Rxc5 36. Ra6 Nc6 37. Nf3 Rc8 38. Re6 Rc7 39. Kh2 Kg7 40. Ra4 h5 41. Ra6 Ne7 42. Nd4 Nf5 43. Ne2 Rc4 44. Rg6+ Kf8 45. Rg5 Ng7 46. Rf6+ Rf7 47. Rh6 Ke7 48. Ra5 Ke8 49. Rh8+ Rf8 50. Rh7 Rf7 51. Re5+ Kd8 52. Rexh5 1-0