# Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nf3/3...b6/4. g3

< Chess Opening Theory‎ | 1. d4‎ | 1...Nf6‎ | 2. c4‎ | 2...e6‎ | 3. Nf3‎ | 3...b6
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Queen's Pawn Opening
 a b c d e f g h 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 a b c d e f g h
Position in Forsyth-Edwards Notation(FEN)

rnbqkb1r/p1pp1ppp/1p2pn2/8/2PP4/5NP1/PP2PP1P/RNBQKB1R

# Queen's Indian Defense

### 4. g3

With this move, White decides to challenge the h1-a8 diagonal immediately and fianchetto his own light-squared bishop to counter black's.

Black can now play:

• 4...Bb7, a standard developing move. White can then respond with Bg2 and Nc3.
• 4...Ba6, attacking the c-pawn. This is a bit of a nuisance for white, who cannot comfortably defend the pawn with the natural e2-e3 because the bishop is already committed to g2.
• 4...Bb4+, echoing the Bogo-Indian and Nimzo-Indian defences. White can interpose with the bishop or knight.

## Theory table

For explanation of theory tables see theory table and for notation see algebraic notation.

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3

4
Bb7
...
=
Ba6
...
=
Bb4+
...
=

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