Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3

+17%
E151.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3
Feb 20, 2026
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TL;DR

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

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Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3: A Complete Guide
Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3 - Opening Moves
Summary

The Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3 arises after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 and falls under ECO code E15. By playing 4.g3, White prepares to fianchetto the light-squared bishop, directly contesting the h1-a8 diagonal where Black's own bishop aims to exert influence. While the Modern Main Line has since emerged as an important alternative, this classical fianchetto approach remains a principled way for White to fight for control of the long diagonal. With 911,505 Lichess games across all rating levels, it is a well-established opening choice.

History and Notable Players

It arises from the Queen's Indian Defense. Among the most prolific practitioners on the White side are Anatoly Karpov (131 games), Predrag Nikolic (122 games), Loek Van Wely (117 games). On the Black side, notable exponents include Anatoly Karpov (125 games), Ivan Farago (117 games), Gyula Sax (106 games).

Statistics

Based on 909,547 Lichess games across all rating levels:

  • White wins: 49.2%
  • Black wins: 43.3%
  • Draws: 7.5%

The statistics show a roughly balanced opening where both sides have equal chances.

Main Lines and Variations

After 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3, the main continuations include:

Each of these lines leads to distinct types of positions and requires its own understanding of the resulting pawn structures and piece placements.

Common Mistakes to Avoid

  • Allowing White to build an overwhelming center: Hypermodern openings allow White space in the center, but you need to strike back at the right moment. Delaying the counterattack too long can leave you without active play.

Practice on Chessiverse

The best way to learn the Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3 is through practice. On Chessiverse, you can play chess against computer opponents from any opening or custom position. Our AI bots range from beginner to grandmaster level, each with unique playing styles — from aggressive attackers to solid defenders. Choose a bot that matches your rating and work your way up as you master the opening's key ideas.

Quick Facts

Main Line1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3
FENrnbqkb1r/p1pp1ppp/1p2pn2/8/2PP4/5NP1/PP2PP1P/RNBQKB1R b KQkq - 0 4
DifficultyIntermediate
Style

Solid Defender openings aim for a rock-solid pawn structure and safe piece placement. They resist aggression, minimize weaknesses, and seek to outplay the opponent in the long run.

911,505games on Lichess
49.2%
7.5%
43.3%
White wins Draws Black wins

Top Players

As White
As Black

Data from Lichess opening explorer (blitz & rapid)

Most Popular At2500
SharpnessCalm

Popularity by Rating

Percentage of all games at each rating bracket that feature this opening.

Data from Lichess opening explorer (blitz & rapid games)

Theory Adherence by Rating

How often players choose the single most popular move at this position. Higher = more predictable play.

Black to move after the opening line

Popularity Over Time

Share of all Lichess blitz + rapid games featuring this opening, by year.

Top Moves by Rating

Black to move after the opening line

RatingMost Popular2nd3rd
400Bb763.5%Ba612%d55.2%
1000Bb776.8%Ba69.4%c53.4%
1200Bb781.8%Ba67.9%c52.5%
1400Bb784.6%Ba67.4%Bb4+2.3%
1600Bb784.8%Ba69.6%Bb4+2.2%
1800Bb779.7%Ba615.5%Bb4+2.5%
2000Bb773.2%Ba622.6%Bb4+2.8%
2200Bb759.7%Ba635.6%Bb4+3.4%
2500Ba647.4%Bb745.5%Bb4+4.7%

Popularity by Time Control

Bullet
<0.01%235K
Blitz
0.02%799K
Rapid
0.01%110K
3% more decisive in bullet
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Frequently Asked Questions

What is the Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3?

The Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3 begins with 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 and is classified under ECO code E15. With this move, White decides to challenge the h1-a8 diagonal immediately and fianchetto his own light-squared bishop to counter black's.

Is the Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3 good for beginners?

The Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3 can be played at any level. Beginners should focus on understanding the key strategic ideas rather than memorizing long theoretical lines. Our AI bots at various rating levels provide a great way to practice the opening concepts.

What are the main variations of the Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3?

The main continuations include: Queen's Indian Defence: 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+; Queen's Indian Defence: 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7. Each variation leads to distinct types of positions with their own strategic themes.

What are the win rates for the Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3?

Across 911,505 Lichess games, White wins 49.2% of the time, Black wins 43.3%, and 7.5% are drawn. Notable master practitioners on the White side include Anatoly Karpov and Predrag Nikolic. On the Black side, Anatoly Karpov and Ivan Farago are among the most frequent practitioners.

Written by

Chessiverse
Chessiverse TeamOpening Guides

Expert chess content backed by opening theory and our database of 600+ AI bots with unique playing styles and opening repertoires.

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