ecocodes
a1b2c3d4e5f6g7h8
After 1.c4 · Black to move

English Opening

The list files 176 lines under the name English Opening, spread over 30 codes (A10–A11, A13–A39, C20). Only six openings in the list have more named lines. A10 alone holds 20 of them. From the starting position of English Opening, the most-travelled continuation is 1...e5, with 59 lines. The deepest, English Opening: Symmetrical, Hedgehog, Flexible Formation, runs to 10...Nbd7. At the end of eight lines one side is ahead on material; 19 names contain the word Gambit.

Score sheet
#WhiteBlack
1c4

Where the lines split

One hundred and sixty-nine of the 176 lines continue from 1.c4; the bars show how many take each next move, and the indented rows the most common reply. The other six reach the opening by a different move order.

  1. 1...e559
    1. 2.Nc348
    2. 2.g37
    3. 2.Nf32
    4. 2.e31
  2. 1...e636
    1. 2.Nf326
    2. 2.Nc38
    3. 2.d41
  3. 1...Nf629
    1. 2.Nf313
    2. 2.Nc313
    3. 2.e41
    4. 2.d41
  4. 1...c526
    1. 2.Nc314
    2. 2.Nf38
    3. 2.b41
    4. 2.e41
  5. 1...f56
    1. 2.Nc32
    2. 2.e41
    3. 2.Nf31
    4. 2.g41
  6. 1...d54
    1. 2.cxd53
  7. 1...g53
    1. 2.d42
  8. 1...g63
    1. 2.e41
    2. 2.Nc31
  9. 1...Nc61
  10. 1...b51

Codes holding English Opening lines

Volume A

  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

Volume C

  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)
A10English Opening20English Opening: King’s English Variation, Botvinnik System, Prickly Pawn Pass System (16)
A11English Opening: Caro-Kann Defensive System1English Opening: Caro-Kann Defensive System (2)
A13English Opening: Agincourt Defense16English Opening: Agincourt Defense, Tarrasch Defense (12)
A14English Opening: Agincourt Defense, Neo-Catalan Declined10English Opening: Agincourt Defense, Keres Defense (14)
A15English Opening: Anglo-Indian Defense13English Opening: Anglo-Indian Defense, King’s Indian Formation, Double Fianchetto (8)
A16English Opening: Anglo-Indian Defense, Queen’s Knight Variation7English Opening: Anglo-Grünfeld Defense, Korchnoi Variation (12)
A17English Opening: Anglo-Indian Defense, Hedgehog System6English Opening: Anglo-Indian Defense (10)
A18English Opening: Mikenas-Carls Variation3English Opening: Mikenas-Carls Variation (7)
A19English Opening: Mikenas-Carls, Sicilian2English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit (8)
A20English Opening: King’s English Variation5English Opening: King’s English Variation, Kahiko-Hula Gambit (7)
A21English Opening: King’s English Variation, Reversed Sicilian6English Opening: King’s English Variation, Troger Defense (8)
A22English Opening: King’s English Variation, Two Knights Variation8English Opening: King’s English Variation, Adhiban Gambit (8)
A23English Opening: King’s English Variation, Two Knights Variation, Keres Variation2English Opening: King’s English Variation, Two Knights Variation, Keres Variation (8)
A24English Opening: King’s English Variation, Two Knights Variation, Fianchetto Line1English Opening: King’s English Variation, Two Knights Variation, Fianchetto Line (6)
A25English Opening: King’s English Variation, Reversed Closed Sicilian11English Opening: Closed, Taimanov Variation (12)
A26English Opening: King’s English Variation, Closed System, Full Symmetry2English Opening: King’s English Variation, Botvinnik System (11)
A27English Opening: King’s English Variation, Three Knights System1English Opening: King’s English Variation, Three Knights System (5)
A28English Opening: King’s English Variation, Four Knights Variation9English Opening: King’s English Variation, Four Knights Variation (16)
A29English Opening: King’s English Variation, Four Knights Variation, Fianchetto Line14English Opening: King’s English Variation, Four Knights Variation, Fianchetto Line (14)
A30English Opening: Symmetrical Variation6English Opening: Symmetrical, Hedgehog, Flexible Formation (20)
A31English Opening: Symmetrical Variation, Anti-Benoni Variation2English Opening: Symmetrical Variation, Anti-Benoni Variation, Kasparov-Vaganian Gambit (10)
A32English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense1English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense (8)
A33English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense2English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation (12)
A34English Opening: Symmetrical Variation, Normal Variation6English Opening: Symmetrical Variation, Rubinstein Variation (12)
A35English Opening: Symmetrical Variation, Two Knights Variation4English Opening: Symmetrical Variation, Four Knights Variation, Keres-Parma System (8)
A36English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation4English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 (10)
A37English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation9English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 (14)
A38English Opening: Symmetrical Variation, Full Symmetry Line3English Opening: Symmetrical Variation, Double Fianchetto (13)
A39English Opening: Symmetrical Variation, Mecking Variation1English Opening: Symmetrical Variation, Mecking Variation (13)
C20King’s Pawn Game1English Opening: The Whale (3)

Longest English Opening lines

  1. English Opening: Symmetrical, Hedgehog, Flexible Formation 20
  2. English Opening: King’s English Variation, Botvinnik System, Prickly Pawn Pass System 16
  3. English Opening: King’s English Variation, Four Knights Variation 16
  4. English Opening: Agincourt Defense, Keres Defense 14
  5. English Opening: Agincourt Defense, Neo-Catalan Declined 14
  6. English Opening: Agincourt Defense, Neo-Catalan Declined 14
  7. English Opening: King’s English Variation, Four Knights Variation, Fianchetto Line 14
  8. English Opening: King’s English Variation, Four Knights Variation, Fianchetto Line 14