ecocodes
Volume D · Closed and semi-closed games‹ D71D73 ›
a1b2c3d4e5f6g7h8
Reference position · Black to move

D72 Neo-Grünfeld Defense: with g3

D72 holds a single named line. It leaves D71 (Neo-Grünfeld Defense: Exchange Variation) with 6.e4 Nb6 7.Ne2. Black, to move in that position, has 37 legal moves, the second-highest count of the 10 Neo-Grünfeld Defense codes. At 13 plies, its reference line is the fourth-longest of the 10 Neo-Grünfeld Defense codes. Black’s pieces and pawns attack five squares in White’s half, the fourth-highest count of the 10 Neo-Grünfeld Defense codes.

Score sheet
#WhiteBlack
1d4Nf6
2c4g6
3g3d5
4Bg2Bg7
5cxd5Nxd5
6e4Nb6
7Ne2

Moves only D72 plays

Same as D73 up to 4...Bg7, then:

  1. 5.cxd5 The c-pawn takes the pawn on d5, covering c6 and e6.
  2. 5...Nxd5 The knight on f6 takes the pawn on d5, opening a line for the bishop on g7.
  3. 6.e4 The e-pawn advances two squares to e4, covering d5 and f5, opening a line for the queen on d1, attacking the knight on d5.
  4. 6...Nb6 The knight goes from d5 to b6, opening a line for the queen on d8, guarding the rook on a8.
  5. 7.Ne2 The knight leaves g1 for e2, opening a line for the rook on h1.

The road to D72

Two of the eight named positions on the way are reached by a move order other than their own.

  1. 1.d4 … 4.Bg2six earlier stops: A40, A45, A50, D70, E60
  2. 4...Bg7E60 Counterthrust Variation by another order
  3. 5...Nxd5D71 Exchange Variation by another order
  4. 7.Ne2D72

The position after 7.Ne2

White has brought out the knight on e2 and bishop on g2; Black the knight on b6 and bishop on g7. White has a half-open c-file; Black a half-open d-file. Black could capture with Bxd4, Qxd4.

WhiteBlackMaterial (pawn units)3838Minor pieces developed22Moves spent on pawns52Pawns on d4, e4, d5, e520Squares attacked in the other half65not castlednot castled

Closest boards in other codes

CodeLineDiffers on
A87Dutch Defense: Leningrad Variationnine squares: e2, f3, c4, e4, f5, b6, f6, d7 …
D86Grünfeld Defense: Exchange Variation, Classical Variationnine squares: b1, g1, b2, e2, g2, c3, g3, c4 …
E05Catalan Opening: Open Defense, Classical Lineten squares: e2, f3, c4, e4, b6, e6, f6, g6 …
E72King’s Indian Defense: Normal Variation, Deferred Fianchettoten squares: b1, f1, g1, e2, g2, c3, c4, b6 …
E73King’s Indian Defense: Normal Variation, Standard Developmentten squares: b1, g1, e2, g2, c3, g3, c4, b6 …
A42Modern Defense: Averbakh System11 squares: b1, f1, g1, e2, g2, c3, g3, c4 …
A49Indian Defense: Przepiorka Variation11 squares: f1, c2, e2, g2, f3, e4, b6, f6 …

Open this line in the finderAll Neo-Grünfeld Defense codes