Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nf3/3...Bg7

=Indian Defence=

3...Bg7
The Bishop moves to its ideal square, bearing down on the central dark squares. Black has so far kept the options open by not committing a central pawn move. White can now take control of e4 ready for occupation or develop in a more passive way, the most common is to play g3 and fianchetto the kingside Bishop.

Theory table
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'''1. d4 Nf6 2. c4 g6 3. Nf3 Bg7'''