ecocodes
Volume E · Indian defenses‹ E75E77 ›
a1b2c3d4e5f6g7h8
Reference position · Black to move

E76 King’s Indian Defense: Four Pawns Attack

E76 holds three named lines, all under the name King’s Indian Defense. It leaves E70 (King’s Indian Defense: Normal Variation) with 5.f4. That final move, by the f-pawn, covers e5 and g5. Of all other reference positions, the board of E80 (Sämisch Variation) comes closest, two squares apart.

Score sheet
#WhiteBlack
1d4Nf6
2c4g6
3Nc3Bg7
4e4d6
5f4

Lines filed under E76

All three share their first nine plies, the whole reference line and then split two ways at Black’s move 5.

NameAfter the shared startPliesAt the end
King’s Indian Defense: Four Pawns Attack(the shared start itself)9
King’s Indian Defense: Four Pawns Attack, Modern Defense5...Na610
King’s Indian Defense: Four Pawns Attack, Dynamic Attack5...O-O 6.Nf3 c5 7.d513Black castled

King’s Indian Defense: Four Pawns Attack, Modern Defense

  1. 5...Na6 The knight leaves b8 for a6, opening a line for the rook on a8.

King’s Indian Defense: Four Pawns Attack, Dynamic Attack

  1. 5...O-O Black castles kingside, opening a line for the queen on d8, guarding the bishop on g7.
  2. 6.Nf3 The knight leaves g1 for f3, opening a line for the rook on h1.
  3. 6...c5 The c-pawn advances two squares to c5, covering b4 and d4, opening a line for the queen on d8.
  4. 7.d5 The d-pawn advances to d5, covering c6 and e6, opening a line for the queen on d1.

The road to E76

  1. 1.d4 … 3...Bg7five earlier stops: A40, A45, A50, E60, E61
  2. 4.e4E70 Normal Variation
  3. 4...d6E70 Normal Variation
  4. 5.f4E76

The position after 5.f4

White has brought out the knight on c3; Black the knight on f6 and bishop on g7. Black could capture with Nxe4. Black is to move and has 34 legal moves.

WhiteBlackMaterial (pawn units)3939Minor pieces developed12Moves spent on pawns42Pawns on d4, e4, d5, e520Squares attacked in the other half73not castlednot castled

Codes that branch off from E76

The reference lines of one other code leave E76 from the position after 5.f4, each with its own moves.

CodeMovesReference line
E785...O-O 6.Nf3 c5 7.Be2King’s Indian Defense: Four Pawns Attack, Fluid Attack

Closest boards in other codes

CodeLineDiffers on
A42Modern Defense: Averbakh Systemfour squares: f2, f4, f6, g8
B09Pirc Defense: Austrian Attackfour squares: c2, c4, g7, f8
E71King’s Indian Defense: Makogonov Variationfour squares: f2, h2, h3, f4
E72King’s Indian Defense: Normal Variation, Deferred Fianchettofour squares: f2, g2, g3, f4
E73King’s Indian Defense: Normal Variation, Standard Developmentfour squares: f1, e2, f2, f4
E90King’s Indian Defense: Normal Variation, Rare Defensesfour squares: g1, f2, f3, f4
E77King’s Indian Defense: Four Pawns Attacksix squares: f1, e2, e8, f8, g8, h8

Where lines continue from here

Five named lines filed under other codes pass through the position after 5.f4. Besides the codes above, they belong to E77, E79.

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
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  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99

Open this line in the finderAll King’s Indian Defense codes