ecocodes
Volume E · Indian defenses‹ E12E14 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

E13 Queen’s Indian Defense: Kasparov Variation

E13 holds a single named line. It leaves E12, a position of the same name, with 4...Bb4 5.Bg5 h6 6.Bh4 Bb7. White has three minor pieces off their first squares, level for the most of the 8 Queen’s Indian Defense codes. White, to move in that position, has 28 legal moves, the second-lowest count of the 8 Queen’s Indian Defense codes. At 12 plies, its reference line is the third-longest of the 8 Queen’s Indian Defense codes.

Score sheet
#WhiteBlack
1d4Nf6
2c4e6
3Nf3b6
4Nc3Bb4
5Bg5h6
6Bh4Bb7

Moves only E13 plays

Same as E12 up to 3...b6, then:

  1. 4.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
  2. 4...Bb4 The bishop leaves f8 for b4, opening a line for the rook on h8, attacking the knight on c3, pinning the knight on c3 to its king.
  3. 5.Bg5 The bishop leaves c1 for g5, opening a line for the rook on a1 and the queen on d1, attacking the knight on f6.
  4. 5...h6 The h-pawn advances to h6, covering g5, opening a line for the rook on h8, attacking the bishop on g5.
  5. 6.Bh4 The bishop goes from g5 to h4, attacking the knight on f6.
  6. 6...Bb7 The bishop leaves c8 for b7, opening a line for the queen on d8, guarding the rook on a8, attacking the knight on f3.

The road to E13

  1. 1.d4 … 3.Nf3four earlier stops: A40, A45, A50, E10
  2. 3...b6E12 Queen’s Indian Defense
  3. 4.Nc3E12 Kasparov Variation
  4. 6...Bb7E13

The position after 6...Bb7

White has brought out the knight on c3, knight on f3 and bishop on h4; Black the knight on f6, bishop on b4 and bishop on b7. White could capture with Bxf6.

WhiteBlackMaterial (pawn units)3939Minor pieces developed33Moves spent on pawns23Pawns on d4, e4, d5, e510Squares attacked in the other half65not castlednot castled

Closest boards in other codes

CodeLineDiffers on
E21Nimzo-Indian Defense: Three Knights Variationseven squares: c1, h4, b6, h6, b7, h7, c8
D38Queen’s Gambit Declined: Ragozin Defensenine squares: c1, h4, d5, b6, h6, b7, d7, h7 …
D39Queen’s Gambit Declined: Ragozin Defense, Vienna Variationnine squares: c4, h4, g5, b6, h6, b7, d7, h7 …
E11Bogo-Indian Defensenine squares: b1, c1, c3, h4, b6, h6, b7, h7 …
E16Queen’s Indian Defense: Capablanca Variationnine squares: b1, c1, f1, g2, c3, g3, h4, h6 …
E20Nimzo-Indian Defensenine squares: c1, g1, f3, h4, b6, h6, b7, h7 …
E30Nimzo-Indian Defense: Leningrad Variationnine squares: g1, f3, h4, g5, b6, h6, b7, h7 …

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