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Queen's Indian Defense report from your own games

Queen's Indian Defense report from your own games

Solid and flexible. Discover where your fianchetto setup succeeds and where it cracks.

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Queen's Indian Defense Report

34 GAMESSample Data
Win Rate
47%

Performance vs Other Openings

Queen's Indian Defense47% Win
Other Openings42% Win

Key Insights

Piece Activity
black
High Impact

Fianchettoed Bishop on b7 Remains Blocked in 65% of Games

What this means
In 22 of your 34 Queen's Indian games, your b7 bishop was blocked by your own pawns on d5 and e6 past move 20. Your win rate in these games is just 32%, compared to 69% when the bishop has an open or semi-open long diagonal. The entire point of ...b6 and ...Bb7 is to pressure the a8-h1 diagonal — when this bishop is passive, Black's opening concept fails.
How to improve
Keep the long diagonal open for your b7 bishop. Avoid locking the center with ...d5 and ...e6 unless you have a concrete reason. Instead, consider ...d6 with a later ...e5 break, which keeps the diagonal clear. If the center does close, activate the bishop via ...Bb7-a6 to target White's c4 or e2 pawns. In the Petrosian System (4.a3), play ...Ba6 directly to exchange the bishop rather than leaving it buried on b7.
#b7-bishop#piece-activity#long-diagonal
Central Play
black
High Impact

Central Breaks ...e5 and ...d5 Executed 4 Moves Too Late on Average

What this means
Engine analysis shows you play ...e5 or ...d5 central breaks on average at move 14.2, while the optimal timing is around move 10.5 in most Queen's Indian structures. The delay allows White to consolidate with moves like Rd1, Qc2, and e4, building a dominant center. When you break in the center before move 12, your win rate is 58% versus 35% when it comes later.
How to improve
Prioritize central breaks immediately after completing basic development (...Be7, ...O-O, ...Bb7). In the Classical Variation, play ...d5 as soon as White commits to a setup — this challenges the c4 pawn and activates your b7 bishop. In the Fianchetto lines, prepare ...e5 with ...Re8 and ...Bf8 to create central tension. Do not wait for White to finish development before challenging the center; the Queen's Indian requires proactive central play to justify the slightly passive bishop placement.
#e5-break#d5-break#central-timing
Positional Weakness

Light Square Weakness Exploited in 8 of 11 Petrosian System Losses

What this means
In your Petrosian System games (4.a3), White successfully planted a knight on e4 or c6 via light squares in 8 of 11 games you lost. When White controls e4 with a knight supported by d3 and f3 pawns, your position becomes cramped and your b7 bishop is completely locked out. This pattern accounts for most of your losses in this specific variation.
How to improve
Contest the light squares actively. Play ...d5 early to challenge White's control of e4. If White plays e4, respond with ...dxe4 followed by ...c5 to open lines. Consider ...Ba6 to exchange light-squared bishops, removing one of White's key pieces for light-square control. In positions where White has already established Nd2-e4, trade the knight immediately with ...Nxe4 rather than allowing it to sit on a dominating square.
#light-squares#petrosian-system#knight-outpost

Top Variations

1
Classical Variation
14 games
2
Petrosian System
11 games
3
Fianchetto Variation
9 games

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What we analyze in your Queen's Indian Defense games

Your handling of the fianchetto bishop on b7

Your timing of the ...e5 and ...d5 central breaks

Your response to the Petrosian System with a3

Your light square weakness management

Your success in Hedgehog transformations

Key Positions to Know

Critical concepts every Queen's Indian Defense player should understand

The ...b6 Fianchetto

After 1.d4 Nf6 2.c4 e6 3.Nf3 b6, Black fianchettoes the queen's bishop to b7, contesting the long diagonal and controlling the e4 square. This prevents White from establishing a classical pawn center and creates a strategic battle over light-square control.

The Nimzo-Queen's Indian Hybrid

When White avoids 3.Nc3 (which allows the Nimzo-Indian), Black switches to the Queen's Indian with 3...b6. This dynamic relationship means Black always has a solid system regardless of White's third move — the QID and Nimzo form a complementary defensive package.

The Battle for e4

The defining strategic theme of the Queen's Indian is the fight over the e4 square. Black's bishop on b7 and knight on f6 both pressure e4, while White tries to push e4 and seize the center. The side that wins this battle typically gains the initiative.

Opening Statistics

Original research from 70 real amateur games — data you won't find anywhere else.

Avg. Game Length
—awaiting data
Underdog Wins
—awaiting data
Quick Finishes
—awaiting data
Endgame Reach
—awaiting data
White's Edge
-27.2%
Favors BlackEqualFavors White

At 1200-1400

📊White's edge is 27.2% — Black actually scores better at this level.

How This Opening Changes as You Improve

RatingGamesWhite's Edge
800-10003
+33.4%67 /0 /33
1000-12003
+33.4%67 /0 /33
1200-140011
-27.2%36 /0 /64
1400-160026
-19.2%39 /0 /58
1600-180027
+14.9%56 /0 /41

Based on 70 games · Updated March 2026

Common Queen's Indian Defense patterns we detect

We automatically check if you fall for these specific traps.

About the Queen's Indian Defense

The Queen's Indian Defense (1. d4 Nf6 2. c4 e6 3. Nf3 b6) is a solid, flexible defense that avoids the main Nimzo-Indian lines. Black fianchettos the queenside bishop to control the center from afar.

We analyze your control of the long diagonal, timing of central breaks, and management of light square weaknesses. We identify where passive play allows White to dominate.

Frequently Asked Questions

Common questions about Queen's Indian Defense analysis

The Queen's Indian Defense arises after 1.d4 Nf6 2.c4 e6 3.Nf3 b6, where Black prepares to fianchetto the queen's bishop on b7, controlling the long a8-h1 diagonal. This setup fights for the e4 square indirectly — the Bb7 bishop pressures e4 and d5, discouraging White from establishing an unchallenged pawn center. The QID is a hypermodern defense favored by positional masters: Tigran Petrosian, Anatoly Karpov, and Boris Gelfand have all championed it at the highest level.
After 3...b6 4.g3 Bb7 (or 4.Nc3 Bb4), Black's Bb7 establishes long-diagonal control. Black's plan involves ...Bb4 (pin if White plays Nc3), developing with ...Be7 or ...Bb4, castling, and creating pressure on e4 with Ne4 or ...d5. Against White's e4 advance, Black responds with ...Ba6, trading the c4 bishop which often supports the e4 push. The Queen's Indian avoids fixed pawn structures, keeping the position flexible until Black can determine the best central configuration based on White's setup.
After 1.d4 Nf6 2.c4 e6 3.Nf3 b6, White plays 4.a3, preventing ...Bb4 to avoid the bishop pin and preserving the knight on c3. The idea is that after 4...Bb7 5.Nc3, White has all development options open without the pin. Black must now respond differently — typically with 5...d5 or 5...g6, planning a different fianchetto. The Petrosian Variation was refined by Anatoly Karpov and creates positions where White has more space and development freedom than the standard main lines.
After 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb4, if Black plays 5...Ne4?? (attacking c3 immediately), White responds with 6.Qc2! forking the bishop on b4 and the knight on e4. Black loses a piece because 6...Nxc3 allows 7.Qxb4, winning a bishop. The trap demonstrates that in the QID, the Ne4 idea must be prepared — either the bishop must be safe on b4 first (after 5.Qb3 Bb7 and ...Ne4), or the knight must have safe retreat squares. Timing the active knight maneuver is crucial.

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