Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+

E161.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+
Feb 20, 2026
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TL;DR

Black plays ...Bb4+, creating immediate tension in the Fianchetto variation. This aggressive approach disrupts White's development and can lead to sharp tactical play.

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Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+: A Complete Guide
Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ - Opening Moves
Summary

The Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ arises after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ and falls under ECO code E16. With 3,294 games in the master database, it is a specialized opening choice.

History and Notable Players

It arises from the Queen's Indian Defence: 1.d4 Nf6 2.c4... 4.g3. Among the most prolific practitioners on the White side are Borislav Ivkov (12 games), Milan Sr Vidmar (9 games), Max Euwe (9 games). On the Black side, notable exponents include Viktor Korchnoi (23 games), Laszlo Zsinka (20 games), Edgard Colle (14 games).

Statistics

Based on 3,294 master-level games:

  • White wins: 36.9%
  • Black wins: 21.6%
  • Draws: 41.6%

White has a significant statistical advantage in this line, reflecting the initiative that comes with the first move.

Common Mistakes to Avoid

  • Neglecting development: In the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+, it can be tempting to make extra pawn moves early on. However, falling behind in development can be punished quickly, especially in open positions where opponent pieces can find active squares.
  • 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.
  • Playing without a plan: Each position in the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ demands a specific approach. Understand whether you should be attacking, defending, or maneuvering before making your move. Random moves lead to random results.
  • Forgetting about piece coordination: Chess pieces are strongest when they work together. A single piece attacking alone is easy to defend against, but coordinated pieces can create unstoppable threats.

Practice on Chessiverse

The best way to learn the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ 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 Bb7 5.Bg2 Bb4+
FENrn1qk2r/pbpp1ppp/1p2pn2/8/1bPP4/5NP1/PP2PPBP/RNBQK2R w KQkq - 3 6
DifficultyAdvanced
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.

3,294games in database
36.9%
41.6%
21.6%
White wins Draws Black wins

Top Players

As White
As Black

Data from 365chess.com

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Frequently Asked Questions

What is the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+?

The Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ begins with 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ and is classified under ECO code E16.

Is the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ good for beginners?

The Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ 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 win rates for the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+?

In a database of 3,294 master games, White wins 36.9% of the time, Black wins 21.6%, and 41.6% are drawn. Notable players on the White side include Borislav Ivkov and Milan Sr Vidmar. On the Black side, Viktor Korchnoi and Laszlo Zsinka are among the most frequent practitioners.

How can I practice the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+?

On Chessiverse, you can practice the Queen's Indian Defence: 1.d4 Nf6 2.c4... Bb4+ by playing against our 600+ AI bots. Each bot has a unique playing style and opening repertoire, so you can find the perfect sparring partner for any level.

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.

Practice This Opening on Chessiverse

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