ecocodes
Volume B · Semi-open games‹ B06B08 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

B07 King’s Pawn Game: Maróczy Defense

Also filed here: Pirc Defense, Lion Defense, Czech Defense, Modern Defense.

B07 holds 17 named lines from five openings, most of them (nine) under Pirc Defense. It leaves B00 (Pirc Defense) with 2...e5. Lines filed under C20 reach one of its named positions by a different move order. That final move, by the e-pawn, covers d4 and f4 and opens a line for the queen on d8 and the bishop on f8.

Score sheet
#WhiteBlack
1e4d6
2d4e5

Lines filed under B07

All 17 share the start 1.e4 and then split two ways at Black’s move 1.

NameAfter the shared startPlies
King’s Pawn Game: Maróczy Defense1...d6 2.d4 e54
Czech Defense1...d6 2.d4 Nf6 3.Nc3 c66
Lion Defense1...d6 2.d4 Nf6 3.Nc3 Nbd76
Pirc Defense1...d6 2.d4 Nf6 3.Nc3 g66
Lion Defense: Anti-Philidor1...d6 2.d4 Nf6 3.Nc3 Nbd7 4.f47
Lion Defense: Bayonet Attack1...d6 2.d4 Nf6 3.Nc3 Nbd7 4.g47
Modern Defense: Geller’s System1...g6 2.d4 Bg7 3.Nf3 d6 4.c37
Pirc Defense: Byrne Variation1...d6 2.d4 Nf6 3.Nc3 g6 4.Bg57
Pirc Defense: Kholmov System1...d6 2.d4 Nf6 3.Nc3 g6 4.Bc47
Pirc Defense: Sveshnikov System1...d6 2.d4 Nf6 3.Nc3 g6 4.g37
Lion Defense: Anti-Philidor, Lion’s Cave1...d6 2.d4 Nf6 3.Nc3 Nbd7 4.f4 e58
Pirc Defense: 150 Attack1...d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd29
Pirc Defense: 150 Attack, Sveshnikov-Jansa Attack1...d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.h39
Pirc Defense: Bayonet Attack1...d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.h49
Pirc Defense: Chinese Variation1...d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.g49
Pirc Defense: 150 Attack, Inner Doll Defense1...d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd2 Bg410
Lion Defense: Anti-Philidor, Lion’s Cave, Lion Claw Gambit1...d6 2.d4 Nf6 3.Nc3 Nbd7 4.f4 e5 5.Nf3 exd4 6.Qxd4 c6 7.Bc4 d514

The road to B07

  1. 1.e4one earlier stop: B00
  2. 1...d6B00 Pirc Defense
  3. 2.d4B00 Pirc Defense
  4. 2...e5B07

The position after 2...e5

White could capture with dxe5. White is to move and has 38 legal moves.

WhiteBlackMaterial (pawn units)3939Minor pieces developed00Moves spent on pawns22Pawns on d4, e4, d5, e521Squares attacked in the other half95not castlednot castled

Codes that branch off from B07

The reference lines of two other codes leave B07 from the position after 3...g6, each with its own moves.

CodeMovesReference line
B084.Nf3Pirc Defense: Classical Variation
B094.f4Pirc Defense: Austrian Attack

Closest boards in other codes

CodeLineDiffers on
A41Queen’s Pawn Gamefour squares: e2, e4, e5, e7
C20King’s Pawn Gamefour squares: d2, d4, d6, d7
C21Center Game Acceptedfour squares: d4, e5, d6, d7
C41Philidor Defensefour squares: g1, d2, f3, d4
C01French Defense: Exchange Variationfive squares: e4, d5, e5, d6, e6
C02French Defense: Advance Variationfive squares: e4, d5, e5, d6, e6
A40Queen’s Pawn Gamesix squares: e2, e4, e5, d6, d7, e7

Where lines continue from here

One named line filed under other codes passes through the position after 2...e5. Besides the codes above, it belongs to C20.

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

Other move orders

  • King’s Pawn Game: Maróczy Defense is also reached inside C20 King’s Pawn Game: Philidor Gambit, whose order is 1.e4 e5 2.d4 d6.

Open this line in the finderAll King’s Pawn Game codes