Nimzo-Indian Defense (님초인디언 방어)

한국어

The Nimzo-Indian Defense family holds 99 lines. The boards below follow its shortest line from the first move.

The Korean name in brackets is ours, not an official translation. The original name is English.

Main line

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4

One move per board, left to right. The two outlined squares are the move just played.

1. d4
1… Nf6
2. c4
2… e6
3. Nc3
3… Bb4

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Nimzo-Indian Defense (E20)

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4

Tap a piece and then the square it goes to. When the move matches the data, the reply follows on its own.

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ECO codes here

Variations in this family

Ordered by ECO code. A blank label means the entry carries the family name alone.

  1. E20Nimzo-Indian Defense6 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4

  2. E20Dilworth Gambit7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e4

  3. E20Kmoch Variation7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3

  4. E20Mikenas Attack7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3

  5. E20Romanishin Variation7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3

  6. E20Romanishin Variation11 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 O-O 6. Bg2

  7. E20Romanishin Variation, English Hybrid16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd5

  8. E21Three Knights Variation7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3

  9. E21Three Knights Variation, Korchnoi Variation9 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5

  10. E21Three Knights Variation, Euwe Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4

  11. E21Three Knights Variation, Shocron Gambit10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. d5 b5

  12. E22Spielmann Variation7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3

  13. E23Spielmann Variation, Romanovsky Gambit10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6

  14. E23Spielmann Variation, Carlsbad Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2

  15. E23Spielmann Variation, Stahlberg Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5

  16. E23Spielmann Variation, Stahlberg Variation17 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 8. Qc2 f5 9. g3

  17. E24Sämisch Variation7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3

  18. E24Sämisch Variation, Botvinnik Variation16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. e3 O-O 8. cxd5 Nxd5

  19. E25Sämisch Variation13 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5

  20. E25Sämisch Variation, Keres Variation15 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5

  21. E25Sämisch Variation, Romanovsky Variation16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5

  22. E26Sämisch Variation11 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

  23. E26Sämisch Variation, O'Kelly Variation12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6

  24. E27Sämisch Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O

  25. E28Sämisch Variation11 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3

  26. E29Sämisch Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O

  27. E29Sämisch Variation, Capablanca Variation18 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O 8. Ne2 b6 9. e4 Ne8

  28. E30Leningrad Variation7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5

  29. E30Leningrad Variation, Averbakh Gambit12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5

  30. E31Leningrad Variation, Benoni Defense12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6

  31. E32Classical Variation7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2

  32. E32Classical Variation, Keres Defense12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6

  33. E32Classical Variation, Vitolins-Adorjan Gambit12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b5

  34. E33Classical Variation, Zurich Variation8 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6

  35. E33Classical Variation, Milner-Barry Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6

  36. E34Classical Variation, Noa Variation8 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5

  37. E34Classical Variation, Belyavsky Gambit14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qd1 e5

  38. E35Classical Variation, Noa Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5

  39. E36Classical Variation, Noa Variation9 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3

  40. E36Classical Variation, Noa Variation, Botvinnik Variation12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6

  41. E36Classical Variation, Noa Variation, Main Line12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4

  42. E36Classical Variation, Romanishin Gambit12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5

  43. E37Classical Variation, Noa Variation13 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2

  44. E37Classical Variation, Modern Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5

  45. E37Classical Variation, Noa Variation, San Remo Variation16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5

  46. E38Classical Variation, Berlin Variation8 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5

  47. E38Classical Variation, Berlin Variation, Steiner Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc3+

  48. E38Classical Variation, Berlin Variation12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c5

  49. E39Classical Variation, Berlin Variation, Pirc Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O

  50. E39Classical Variation, Berlin Variation, Macieja System14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b6

  51. E40Rubinstein System7 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3

  52. E40Rubinstein System, Taimanov Variation8 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6

  53. E41Rubinstein System8 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5

  54. E41Rubinstein System, Hübner Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6

  55. E41Rubinstein System, Hübner Variation16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O O-O

  56. E42Rubinstein System, Rubinstein Variation9 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2

  57. E42Rubinstein System, Rubinstein Variation, Main Line13 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3

  58. E42Rubinstein System, Rubinstein Variation, Sherbakov Attack13 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. c5

  59. E43St. Petersburg Variation8 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6

  60. E43St. Petersburg Variation11 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3

  61. E43St. Petersburg Variation11 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Ne4 6. Qc2

  62. E43St. Petersburg Variation12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O

  63. E43St. Petersburg Variation, with Ne412 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4

  64. E43St. Petersburg Variation13 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O

  65. E43St. Petersburg Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5

  66. E43St. Petersburg Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Nf3 b6 7. Bd3 Bb7

  67. E43St. Petersburg Variation15 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O

  68. E43St. Petersburg Variation16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 b6 7. O-O Bb7 8. Na4 Qe7

  69. E43St. Petersburg Variation17 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Ne4 6. Qc2 Bb7 7. Bd3 Bxc3+ 8. bxc3 f5 9. O-O

  70. E43St. Petersburg Variation18 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Na4 cxd4 9. a3 Be7

  71. E44St. Petersburg Variation9 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2

  72. E44St. Petersburg Variation, American Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4

  73. E44St. Petersburg Variation, Romanishin-Psakhis Variation12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5

  74. E45St. Petersburg Variation, Fischer Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6

  75. E46Normal Variation8 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O

  76. E46Reshevsky Variation9 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2

  77. E46Simagin Variation12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Bd6

  78. E47Normal Variation9 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3

  79. E48Normal Variation, Classical Defense10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5

  80. E48Ragozin Defense13 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 Nc6 7. O-O

  81. E49Normal Variation, Botvinnik System13 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3

  82. E50Nimzo-Indian Defense9 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3

  83. E51Normal Variation, Ragozin Variation10 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5

  84. E51Normal Variation, Sämisch Deferred11 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3

  85. E51Ragozin Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 Nc6 7. O-O dxc4

  86. E52Normal Variation, Schlechter Defense12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6

  87. E52Normal Variation, Schlechter Defense14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5

  88. E53Normal Variation, Gligoric System12 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5

  89. E53Normal Variation, Gligoric System14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd7

  90. E53Normal Variation, Gligoric System, Keres Variation14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O b6

  91. E54Normal Variation, Gligoric System, Exchange Variation15 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4

  92. E54Normal Variation, Gligoric System, Smyslov Variation16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Qe7

  93. E54Normal Variation, Gligoric System, Exchange Variation17 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 cxd4 9. exd4

  94. E55Normal Variation, Gligoric System, Bronstein Variation16 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7

  95. E56Normal Variation, Gligoric System, Bernstein Defense14 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6

  96. E57Normal Variation, Gligoric System, Bernstein Defense18 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 dxc4 9. Bxc4 cxd4

  97. E58Normal Variation, Bernstein Defense, Exchange Line17 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3

  98. E59Normal Variation, Bernstein Defense19 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4

  99. E59Normal Variation, Bernstein Defense21 movesPlay this line

    1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Nc6 10. O-O Qc7 11. Qc2

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Data collected on 2026-09-07. The original is published as a public domain data set.