How to Defend against the Catalan Opening | Part 7 | Early Bb4+, C File Attack Ideas by White

Very Important Study in the Catalan Opening for Black.

PGN FILES OF THE GAMES IN THE VIDEO:

[Event "37th ECC Open 2022"]
[Site "Mayrhofen AUT"]
[Date "2022.10.03"]
[Round "1.7"]
[White "Meshkovs, Nikita"]
[Black "Carlsen, M."]
[Result "1/2-1/2"]
[WhiteElo "2566"]
[BlackElo "2856"]
[Variant "Standard"]
[TimeControl "-"]
[ECO "E10"]
[Opening "Indian Defense: Anti-Nimzo-Indian"]
[Termination "Normal"]
[Annotator "lichess.org"]

1. d4 Nf6 2. c4 e6 3. Nf3 { E10 Indian Defense: Anti-Nimzo-Indian } d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Qc2 O-O 8. O-O b6 9. Bf4 Ba6 10. cxd5 cxd5 11. Rc1 Nbd7 12. Nc3 Nh5 13. Qa4 Nxf4 14. Qxa6 Nxg2 15. Kxg2 Qc8 16. Qxc8 Rfxc8 17. Nb5 Rd8 18. Nc7 Rab8 19. Rc6 Rb7 20. Na6 g5 21. Rac1 g4 22. Ne1 Nf6 23. Nd3 Bd6 24. Rc8 Rxc8 25. Rxc8+ Kg7 26. h3 h5 27. hxg4 hxg4 28. Nab4 a5 29. Nc6 Nd7 30. a4 Kf6 31. f3 gxf3+ 32. exf3 Kg7 33. Kf2 Nf6 34. g4 Rc7 35. Rxc7 Bxc7 36. Ke3 Ne8 37. Na7 Bb8 38. Nb5 Nf6 39. b3 Nd7 40. f4 Nf6 41. Nf2 Ng8 42. Nd3 Nf6 43. Nf2 Ng8 44. Nd3 { The game is a draw. } 1/2-1/2

[Event "52nd SIB-CMS ch-IND 2014"]
[Site "Kottayam IND"]
[Date "2014.12.14"]
[Round "9.3"]
[White "Laxman, R."]
[Black "Vidit, S."]
[Result "0-1"]
[WhiteElo "2408"]
[BlackElo "2625"]
[Variant "Standard"]
[TimeControl "-"]
[ECO "E10"]
[Opening "Indian Defense: Anti-Nimzo-Indian"]
[Termination "Normal"]
[Annotator "lichess.org"]

1. d4 Nf6 2. c4 e6 3. Nf3 { E10 Indian Defense: Anti-Nimzo-Indian } d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 Nbd7 7. Qc2 c6 8. O-O b6 9. Bf4 Ba6 10. cxd5 cxd5 11. Nc3 O-O 12. Rfc1 Bb4 13. Qa4 Bxc3 14. Rxc3 Bxe2 15. Rac1 Bc4 16. b3 b5 17. Qa3 a5 18. R3c2 Bd3 19. Rc7 Ra6 20. Qb2 b4 21. a4 bxa3 22. Qxa3 Bb5 23. h3 h6 24. g4 Ne4 25. Ne5 Nxe5 26. Bxe5 Nf6 27. Qc5 Bd3 28. Qc3 Bb5 29. Qc5 Bd3 30. Qa3 Bb5 31. Rb7 Bd7 32. Bf1 Ra8 33. Bxf6 gxf6 34. Rbc7 a4 35. bxa4 Bxa4 36. Qe3 Kg7 37. Qxe6 Qe8 38. Re7 Qb8 39. Qf5 Bb5 40. Rcc7 Bxf1 41. Qh5 Qxc7 42. Rxc7 Ra1 43. Kh2 Ra3 44. f3 Rxf3 45. Qxd5 Rxh3+ 46. Kg1 Be2 47. Qe4 Bd3 48. Qe6 Bg6 49. Kg2 Rd3 50. Qc4 Rd2+ 51. Kf3 Re8 52. Rd7 Rd3+ 53. Kf2 Rd2+ 54. Kf3 Re1 55. Rc7 Be4+ 56. Kf4 Rf2+ 57. Kg3 Rf3+ 58. Kh2 Bg6 59. Kg2 Rf4 60. Kg3 Ree4 61. Rd7 Rxg4+ 62. Kf2 Rgf4+ 63. Kg3 h5 64. Rd8 h4+ 65. Kh2 Rf2+ 66. Kg1 Rd2 { White resigns. } 0-1

[Event "Airthings Masters Prelim"]
[Site "chess24.com INT"]
[Date "2020.12.28"]
[Round "10.3"]
[White "Dubov, Daniil"]
[Black "Aronian, L.."]
[Result "1/2-1/2"]
[WhiteElo "2702"]
[BlackElo "2781"]
[Variant "Standard"]
[TimeControl "-"]
[ECO "E10"]
[Opening "Indian Defense: Anti-Nimzo-Indian"]
[Termination "Normal"]
[Annotator "lichess.org"]

1. d4 Nf6 2. c4 e6 3. Nf3 { E10 Indian Defense: Anti-Nimzo-Indian } d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Qc2 b6 8. O-O O-O 9. Bf4 Ba6 10. cxd5 cxd5 11. Rc1 Nbd7 12. Nc3 Bb4 13. Bf1 Rc8 14. Qb3 Qe7 15. Qa4 Bc4 16. Nb5 Ne4?! { (0.75 → 1.64) Inaccuracy. Bxb5 was best. } (16... Bxb5 17. Qxb5) 17. a3? { (1.64 → 0.48) Mistake. Nxa7 was best. } (17. Nxa7 Ra8 18. b3 Bb5 19. Qxb5 Rxa7 20. a4 Ra5 21. Qc6 Ra7 22. Qc2 g5 23. Be3 f5) 17... Bxb5 18. Qxb5 Bd6 19. Be3 f5 20. Rxc8 Rxc8 21. Rc1 Rxc1 22. Bxc1 g5?? { (0.18 → 2.77) Blunder. h6 was best. } (22... h6 23. Qc6) 23. Qc6?? { (2.77 → 0.12) Blunder. Nxg5 was best. } (23. Nxg5 Nxg5 24. Bxg5 Qxg5 25. Qxd7 Qe7 26. Qc8+ Kg7 27. e3 Kf6 28. Be2 Qf8 29. Qd7 Qe7) 23... g4 24. Ne1 Nf8 25. Nd3 Ng6 26. Bh6 Kf7 27. h3 Nf6 28. Bg5 h5 29. hxg4 hxg4 30. e3 Qc7 31. Qxc7+ Bxc7 32. Bxf6 Kxf6 33. Be2 Bd6 34. Kf1 Nh8 35. Nc1 Nf7 36. Na2 a5 37. Nc3 Ke7 38. Ke1 Bc7 39. Nb5 Bb8 40. Kd2 Nd6 41. Nxd6 Kxd6 42. Bb5 { The game is a draw. } 1/2-1/2