ecocodes
Volume D · Closed and semi-closed games‹ D82D84 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

D83 Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit

D83 holds four named lines, all under the name Grünfeld Defense. It leaves D82 (Grünfeld Defense: Brinckmann Attack) with 4...Bg7 5.e3 O-O. White, to move in that position, has 44 legal moves, the third-highest count of the 20 Grünfeld Defense codes. Material is no longer level at the end of two of its lines; the widest gap, one pawn in White’s favour, comes in Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation.

Score sheet
#WhiteBlack
1d4Nf6
2c4g6
3Nc3d5
4Bf4Bg7
5e3O-O

The move that completes D83

The reference line of D84 plays all of these moves and continues beyond them; D83 is the position reached at 5...O-O.

  1. 5...O-O Black castles kingside, opening a line for the queen on d8, guarding the bishop on g7.

Lines filed under D83

All four share the start 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 and then split two ways at White’s move 5.

NameAfter the shared startPliesAt the end
Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit5.e3 O-O10Black castled
Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Capablanca Variation5.e3 O-O 6.Rc111Black castled
Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation5.e3 O-O 6.Rc1 c5 7.dxc5 Be614White +1, Black castled
Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit5.Rc1 O-O 6.e3 c5 7.dxc5 Qa514White +1, Black castled

Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Capablanca Variation

  1. 5.e3 The e-pawn advances to e3, covering d4 and f4, opening a line for the queen on d1 and the bishop on f1.
  2. 5...O-O Black castles kingside, opening a line for the queen on d8, guarding the bishop on g7.
  3. 6.Rc1 The rook goes from a1 to c1.

Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation

  1. 5.e3 The e-pawn advances to e3, covering d4 and f4, opening a line for the queen on d1 and the bishop on f1.
  2. 5...O-O Black castles kingside, opening a line for the queen on d8, guarding the bishop on g7.
  3. 6.Rc1 The rook goes from a1 to c1.
  4. 6...c5 The c-pawn advances two squares to c5, covering b4 and d4, opening a line for the queen on d8.
  5. 7.dxc5 The d-pawn takes the pawn on c5, covering b6 and d6, opening a line for the queen on d1.

Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit

  1. 5.Rc1 The rook goes from a1 to c1.
  2. 5...O-O Black castles kingside, opening a line for the queen on d8, guarding the bishop on g7.
  3. 6.e3 The e-pawn advances to e3, covering d4 and f4, opening a line for the queen on d1 and the bishop on f1.
  4. 6...c5 The c-pawn advances two squares to c5, covering b4 and d4, opening a line for the queen on d8.
  5. 7.dxc5 The d-pawn takes the pawn on c5, covering b6 and d6, opening a line for the queen on d1.

The road to D83

  1. 1.d4 … 3.Nc3five earlier stops: A40, A45, A50, E60, E61
  2. 3...d5D80 Grünfeld Defense
  3. 4.Bf4D82 Brinckmann Attack
  4. 5...O-OD83

The position after 5...O-O

White has brought out the knight on c3 and bishop on f4; Black the knight on f6 and bishop on g7. White could capture with Bxc7, Nxd5, cxd5.

WhiteBlackMaterial (pawn units)3939Minor pieces developed22Moves spent on pawns32Pawns on d4, e4, d5, e511Squares attacked in the other half94not castledcastled kingside, move 5

Codes that branch off from D83

The reference lines of one other code leave D83 from the position after 5...O-O, each with its own moves.

CodeMovesReference line
D846.cxd5 Nxd5 7.Nxd5 Qxd5 8.Bxc7Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit Accepted

Closest boards in other codes

CodeLineDiffers on
D93Grünfeld Defense: Three Knights Variation, Hungarian Variationtwo squares: g1, f3
D95Grünfeld Defense: Three Knights Variation, Vienna Variationsix squares: c1, d1, g1, b3, f3, f4
D54Queen’s Gambit Declined: Neo-Orthodox Variationeight squares: a1, c1, f4, g5, e6, g6, e7, g7
D55Queen’s Gambit Declined: Modern Variation, Normal Lineeight squares: g1, f3, f4, g5, e6, g6, e7, g7
D92Grünfeld Defense: Three Knights Variation, Hungarian Attackeight squares: g1, e2, e3, f3, e8, f8, g8, h8
D94Grünfeld Defense: Three Knights Variation, Burille Variationeight squares: c1, g1, f3, f4, e8, f8, g8, h8
E81King’s Indian Defense: Sämisch Variation, Normal Defenseeight squares: c1, f2, e3, f3, e4, f4, d5, d6

Where lines continue from here

One named line filed under other codes passes through the position after 5...O-O. It belongs to the code listed above.

Volume D

  1. 00
  2. 01
  3. 02
  4. 03
  5. 04
  6. 05
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  96. 95
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  98. 97
  99. 98
  100. 99

Open this line in the finderAll Grünfeld Defense codes