New Ideas In the Nimzo-Indian Defense! – Drofa vs Dragon – Nimzo-Indian Defense, Classical Variation

The Nimzo-Indian Defence is a chess opening characterised by the moves:

1. d4 Nf6
2. c4 e6
3. Nc3 Bb4
Other move orders, such as 1.c4 e6 2.Nc3 Nf6 3.d4 Bb4, are also feasible. In the Encyclopaedia of Chess Openings, the Nimzo-Indian is classified as E20–E59.

This hypermodern opening was developed by Aron Nimzowitsch who introduced it to master-level chess in the early 20th century. Unlike most Indian openings, the Nimzo-Indian does not involve an immediate fianchetto, although Black often follows up with …b6 and …Bb7. By pinning White’s knight, Black prevents the threatened 4.e4 and seeks to inflict doubled pawns on White. White will attempt to create a pawn centre and develop their pieces to prepare for an assault on the Black position.

Black’s delay in committing to a pawn structure makes the Nimzo-Indian (sometimes colloquially referred to as the “Nimzo”) a very flexible defence to 1.d4. It can also transpose into lines of the Queen’s Gambit or Queen’s Indian Defence. The Nimzo-Indian is a highly respected defence to 1.d4, is played at all levels and has been played by every world champion since Capablanca. White often plays 3.g3 or 3.Nf3 to avoid the Nimzo-Indian, allowing him to meet 3.Nf3 Bb4+ (the Bogo-Indian Defence) with 4.Bd2 or 4.Nbd2, rather than 4.Nc3.

PGN:
[Event “TCEC Season 23 – Chess Bonus”]
[Site “https://tcec-chess.com“]
[Date “2022.08.10”]
[Round “2.11”]
[White “Drofa 3.3.18”]
[Black “KomodoDragon 3.1”]
[Result “0-1”]
[WhiteElo “3279”]
[BlackElo “3603”]
[Variant “Standard”]
[TimeControl “1800+3”]
[ECO “E32”]
[Opening “Nimzo-Indian Defense: Classical Variation”]

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[Termination “Unknown”]
[Annotator “lichess.org”]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 { E32 Nimzo-Indian Defense: Classical Variation } O-O 5. Bg5 h6 6. Bh4 c5 7. dxc5 Na6 8. e3 Nxc5 9. Ne2 d5 10. O-O-O Bd7 11. cxd5 e5 12. Kb1 Rc8 13. f3 b5 14. e4 Qb6?! { (-1.05 → -0.36) Inaccuracy. Bxc3 was best. } (14… Bxc3) 15. Bf2 Qb8 16. Ka1 a5 17. Bh4 a4 18. Bxf6 gxf6 19. Kb1?! { (-2.17 → -3.21) Inaccuracy. Qd2 was best. } (19. Qd2 Kh7 20. d6 a3 21. bxa3 Ba5 22. Qb2 Na4 23. Nxa4 bxa4 24. Qxb8 Rxb8 25. Rc1 Bb6) 19… a3 20. b3?! { (-2.99 → -4.65) Inaccuracy. Qc1 was best. } (20. Qc1 Kh7) 20… Na4 21. bxa4 bxa4 22. Ka1 Rc4 23. Rd3 Rfc8 24. g3?! { (-5.27 → -6.98) Inaccuracy. Qd2 was best. } (24. Qd2 Qb6) 24… Rd4 25. Rd2 Bxc3+ 26. Nxc3 Qb4 27. Rxd4 Qxd4 28. Bc4 Rxc4 29. Rd1 Rxc3 30. Rxd4 Rxc2 31. Rd1 f5 32. exf5 Rxh2 33. g4 h5 34. gxh5 Kh7 35. Rg1 Kh6 36. d6 Rd2 37. f6 Bf5 38. d7 Rxd7 39. Rf1 Rd3 40. Rg1 Rxf3 41. Rd1?! { (-37.85 → Mate in 22) Checkmate is now unavoidable. Rh1 was best. } (41. Rh1 Bd3) 41… Bd3 42. Re1 e4 43. Rd1 e3 44. Rb1 e2 45. Re1 Rf1 46. Rxf1 exf1=Q# { Black wins. } 0-1