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The Four Pawns Attack in the King's Indian Defence is a chess opening that begins with the moves: :1. d4 Nf6 :2. c4 g6 :3. Nc3 Bg7 :4. e4 d6 :5. f4 White immediately builds up a large pawn centre in order to gain a spatial advantage. Black first develops his pieces, then tries to attack White's centre by means of the pawn advances ...e7–e5, ...c7–c5 or ...f7–f5, depending on circumstances. The main variations of the Four Pawns Attack are: * The main line 5...0-0 6.Nf3 c5, when after 7.d5 Black can attack White's centre with the pawn sacrifice 7...b5 or the quieter 7...e6. The latter can transpose into the Modern Benoni. * The modern alternative 5...0-0 6.Nf3 Na6!? aims at sacrificing a pawn with 7...e5 and going into tactical complications. The relevant ''Encyclopaedia of Chess Openings'' codes are E76 through E79. ==The main line== The main line of the Four Pawns Attack after 6...c5 7.d5 continuing 7...e6 8.Be2 exd5 9.cxd5 now gives Black a choice of the old main line with 9...Re8 or the new main line with 9...Bg4. 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「King's Indian Defence, Four Pawns Attack」の詳細全文を読む スポンサード リンク
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