East Indian Defence

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This article uses algebraic notation to describe chess moves.
East Indian Defence
Image:chess zhor 26.png
Image:chess zver 26.png a8 rd b8 nd c8 bd d8 qd e8 kd f8 bd g8 h8 rd Image:chess zver 26.png
a7 pd b7 pd c7 pd d7 pd e7 pd f7 pd g7 h7 pd
a6 b6 c6 d6 e6 f6 nd g6 pd h6
a5 b5 c5 d5 e5 f5 g5 h5
a4 b4 c4 d4 pl e4 f4 g4 h4
a3 b3 c3 d3 e3 f3 nl g3 h3
a2 pl b2 pl c2 pl d2 e2 pl f2 pl g2 pl h2 pl
a1 rl b1 nl c1 bl d1 ql e1 kl f1 bl g1 h1 rl
Image:chess zhor 26.png
Moves 1.d4 Nf6 2.Nf3 g6
ECO A48-A49
Parent Indian Defence

In chess, the East Indian Defence is an opening characterized by the move order

1. d4 Nf6
2. Nf3 g6[1]

It has a close kinship to the more common King's Indian Defence and is often considered a variant thereof. The difference is that White has not yet played c4, and therefore retains some options.

If White plays an early c4, the opening will transpose into a King's Indian. It is also possible for White to support an early e4 advance, transposing into the Pirc Defence. Unless transposition is reached, there are four popular, independent continuations:

  • 3.g3 (the Przepiorka variation, closely related to the Fianchetto Variation of the King's Indian)
  • 3.Bg5 (the Torre system, which may be considered a variant of the Torre Attack)
  • 3.Bf4 (the London system)
  • 3.Nc3 (the Barry Attack)[2]

The Encyclopaedia of Chess Openings classifies the East Indian Defence under A49 for the Przepiorka variation and A48 for the others.

Wikibooks
Opening theory in chess has related information at

[edit] Footnotes

  1. ^ World Correspondence Chess Federation, http://www.ewccf.com/eco.htm
  2. ^ Kenilworth Chess Club, http://www.kenilworthchessclub.org/kenilworthian/2005/11/barry-attack-bibliography.html