Chess Opening Theory/1. d4/1...b6

1... b6 - English Defence
With the move 1.... b6 Black prepares to develop the Queenside Bishop. It's also a flexible option when played with the e6 development as Black has various ideas involving the e6, Nf6, Bb4, Bb7 moves.

White's responses
White likely to respond with one of the following:
 * 2. c4 A standard reply, White continues in Queen Gambit formation ready to play e4.
 * 2. Nf3 May transpose into a Queen's Indian Defence.
 * 2. e4 This move order arrives at a Owen's Defence

Theory table
1. d4 b6