411 REFERENCE · Wikibooks
Chess Opening Theory/1. d4/1...Nf6/2. c4/2...d6
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Old Indian Defence A53-A55 Indian Defence
2...d6 · Old Indian Defence
This is the so-called "Old Indian". It can either transpose into a King's Indian Defence or follow less popular lines with a strategy similar to the King's Indian, such as the Tartakower-Indian.
Theory table
Ukranian variation 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 + King's Indian Defence 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O + Tartakower-Indian 3... Bg4 4. Nc3 Nbd7 +
References
Old Indian Defence