オープニング (チェス)
インディアンシステム (1.d4 Nf6)

「1.d4」に対し、黒が「1.… Nf6」とするケース。対称な形を最初から崩す手である。
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1.d4 Nf6 2.c4 c5 …… ベノニ・ディフェンス（Modern Benoni Defence）
1.d4 Nf6 2.c4 c5 3.d5 b5 …… ベンコー・ギャンビット
1.d4 Nf6 2.c4 d6 …… Old Indian Defence
1.d4 Nf6 2.c4 e5 …… ブダペスト・ディフェンス
1.d4 Nf6 2.c4 e6 3.g3 …… カタラン・オープニング
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 …… ニムゾ・インディアン・ディフェンス
1.d4 Nf6 2.c4 e6 3.Nf3 b5 …… Polish Defence
1.d4 Nf6 2.c4 e6 3.Nf3 b6 …… クイーンズ・インディアン・ディフェンス
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 …… Blumenfeld Gambit
1.d4 Nf6 2.c4 e6 3.Nf3 Ne4 …… Döry Defence
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ …… ボゴ・インディアン・ディフェンス
1.d4 Nf6 2.c4 e6 3.Bg5 …… Neo-Indian Attack
1.d4 Nf6 2.c4 g6 3.Nc3 d5 …… グリュエンフェルド・ディフェンス
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 …… キングズ・インディアン・ディフェンス
1.d4 Nf6 2.c4 Nc6 …… Black Knights' Tango
1.d4 Nf6 2.Nf3 e6 3.Bg5 …… Torre Attack
1.d4 Nf6 2.Bg5 …… Trompowski Attack
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