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The East Indian Defence is a chess opening characterised by the moves: :1. d4 Nf6 :2. Nf3 g6〔World Correspondence Chess Federation, http://www.ewccf.com/eco.htm〕 ==Description== This opening 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 Przepiórka 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)〔Kenilworth Chess Club, http://www.kenilworthchessclub.org/kenilworthian/2005/11/barry-attack-bibliography.html〕 The ''Encyclopaedia of Chess Openings'' classifies the East Indian Defence under A49 for the Przepiórka variation and A48 for the others. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「East Indian Defence」の詳細全文を読む スポンサード リンク
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