ecocodes
a1b2c3d4e5f6g7h8
After 3...Bb4 · White to move

Nimzo-Indian Defense

The list files 104 lines under the name Nimzo-Indian Defense, spread over 40 codes (E20–E59). Only nine openings in the list have more named lines. E43 alone holds 12 of them. From the starting position of Nimzo-Indian Defense, the most-travelled continuation is 4.e3, with 51 lines. The deepest, Nimzo-Indian Defense: Normal Variation, Bernstein Defense, runs to 11.Qc2. At the end of ten lines one side is ahead on material; seven names contain the word Gambit.

Score sheet
#WhiteBlack
1d4Nf6
2c4e6
3Nc3Bb4

Where the lines split

One hundred and two of the 104 lines continue from 3...Bb4; the bars show how many take each next move, and the indented rows the most common reply. The other one reach the opening by a different move order.

  1. 4.e351
    1. 4...O-O28
    2. 4...b612
    3. 4...c58
    4. 4...Nc61
  2. 4.Qc223
    1. 4...d510
    2. 4...Nc65
    3. 4...c54
    4. 4...O-O3
  3. 4.Nf38
    1. 4...c54
    2. 4...b62
    3. 4...Bxc3+1
  4. 4.Qb35
    1. 4...c54
  5. 4.f35
    1. 4...d54
  6. 4.a34
    1. 4...Bxc3+3
  7. 4.Bg53
    1. 4...h62
  8. 4.Qd31
  9. 4.e41
  10. 4.g31

Codes holding Nimzo-Indian Defense lines

Volume E

  1. 00
  2. 01
  3. 02
  4. 03
  5. 04
  6. 05
  7. 06
  8. 07
  9. 08
  10. 09
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
CodeReference lineLinesLongest line (plies)
E20Nimzo-Indian Defense7Nimzo-Indian Defense: Romanishin Variation, English Hybrid (16)
E21Nimzo-Indian Defense: Three Knights Variation4Nimzo-Indian Defense: Three Knights Variation, Euwe Variation (10)
E22Nimzo-Indian Defense: Spielmann Variation1Nimzo-Indian Defense: Spielmann Variation (7)
E23Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit4Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation (17)
E24Nimzo-Indian Defense: Sämisch Variation2Nimzo-Indian Defense: Sämisch Variation, Botvinnik Variation (16)
E25Nimzo-Indian Defense: Sämisch Variation3Nimzo-Indian Defense: Sämisch Variation, Romanovsky Variation (16)
E26Nimzo-Indian Defense: Sämisch Variation2Nimzo-Indian Defense: Sämisch Variation, O’Kelly Variation (12)
E27Nimzo-Indian Defense: Sämisch Variation1Nimzo-Indian Defense: Sämisch Variation (10)
E28Nimzo-Indian Defense: Sämisch Variation1Nimzo-Indian Defense: Sämisch Variation (11)
E29Nimzo-Indian Defense: Sämisch Variation2Nimzo-Indian Defense: Sämisch Variation, Capablanca Variation (18)
E30Nimzo-Indian Defense: Leningrad Variation2Nimzo-Indian Defense: Leningrad Variation, Averbakh Gambit (12)
E31Nimzo-Indian Defense: Leningrad Variation, Benoni Defense1Nimzo-Indian Defense: Leningrad Variation, Benoni Defense (12)
E32Nimzo-Indian Defense: Classical Variation3Nimzo-Indian Defense: Classical Variation, Keres Defense (12)
E33Nimzo-Indian Defense: Classical Variation, Zurich Variation5Nimzo-Indian Defense: Classical Variation, Zurich Variation (11)
E34Nimzo-Indian Defense: Classical Variation, Noa Variation2Nimzo-Indian Defense: Classical Variation, Belyavsky Gambit (14)
E35Nimzo-Indian Defense: Classical Variation, Noa Variation1Nimzo-Indian Defense: Classical Variation, Noa Variation (10)
E36Nimzo-Indian Defense: Classical Variation, Noa Variation4Nimzo-Indian Defense: Classical Variation, Noa Variation, Botvinnik Variation (12)
E37Nimzo-Indian Defense: Classical Variation, Noa Variation3Nimzo-Indian Defense: Classical Variation, Noa Variation, San Remo Variation (16)
E38Nimzo-Indian Defense: Classical Variation, Berlin Variation3Nimzo-Indian Defense: Classical Variation, Berlin Variation (12)
E39Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation2Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System (14)
E40Nimzo-Indian Defense: Rubinstein System2Nimzo-Indian Defense: Rubinstein System, Taimanov Variation (8)
E41Nimzo-Indian Defense: Rubinstein System3Nimzo-Indian Defense: Rubinstein System, Hübner Variation (16)
E42Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation3Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation, Main Line (13)
E43Nimzo-Indian Defense: St. Petersburg Variation12Nimzo-Indian Defense: St. Petersburg Variation (18)
E44Nimzo-Indian Defense: St. Petersburg Variation3Nimzo-Indian Defense: St. Petersburg Variation, Romanishin-Psakhis Variation (12)
E45Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation1Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation (10)
E46Nimzo-Indian Defense: Normal Variation3Nimzo-Indian Defense: Simagin Variation (12)
E47Nimzo-Indian Defense: Normal Variation1Nimzo-Indian Defense: Normal Variation (9)
E48Nimzo-Indian Defense: Normal Variation, Classical Defense2Nimzo-Indian Defense: Ragozin Defense (13)
E49Nimzo-Indian Defense: Normal Variation, Botvinnik System1Nimzo-Indian Defense: Normal Variation, Botvinnik System (13)
E50Nimzo-Indian Defense1Nimzo-Indian Defense (9)
E51Nimzo-Indian Defense: Normal Variation, Ragozin Variation5Nimzo-Indian Defense: Ragozin Variation (14)
E52Nimzo-Indian Defense: Normal Variation, Schlechter Defense2Nimzo-Indian Defense: Normal Variation, Schlechter Defense (14)
E53Nimzo-Indian Defense: Normal Variation, Gligoric System3Nimzo-Indian Defense: Normal Variation, Gligoric System (14)
E54Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation3Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation (17)
E55Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation1Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation (16)
E56Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense1Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense (14)
E57Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense1Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense (18)
E58Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line1Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line (17)
E59Nimzo-Indian Defense: Normal Variation, Bernstein Defense2Nimzo-Indian Defense: Normal Variation, Bernstein Defense (21)

Longest Nimzo-Indian Defense lines

  1. Nimzo-Indian Defense: Normal Variation, Bernstein Defense 21
  2. Nimzo-Indian Defense: Normal Variation, Bernstein Defense 19
  3. Nimzo-Indian Defense: Sämisch Variation, Capablanca Variation 18
  4. Nimzo-Indian Defense: St. Petersburg Variation 18
  5. Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense 18
  6. Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation 17
  7. Nimzo-Indian Defense: St. Petersburg Variation 17
  8. Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation 17