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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

Learn This Opening

Play through the main line move by move

1.pawn to d4 (d4) knight to f6 (Nf6)

White stakes a claim in the center with the queen's pawn, and Black responds with the knight, controlling e4 and d5. This is a flexible move that doesn't commit to any specific pawn structure yet, keeping options open for various Indian defenses.

Opponent is playing…
1.d4Nf62.c4e63.Nf3b64.g3Ba65.b3Bb4+6.Bd2Be77.Bg2c68.Bc3

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.

Strategic Plans

♔
White's Plans

  • •Control the center with pawns (d4, c4) and prepare e4 to gain space
  • •Complete the kingside fianchetto with g3 and Bg2 to control the long diagonal
  • •Play Nc3 and develop harmoniously, often castling kingside quickly
  • •Use the Ne5 outpost to control key central squares and restrict Black's pieces
  • •Prepare queenside expansion with a3 and b4, gaining space on that flank
  • •In endgames, exploit any light square weaknesses created by Black's fianchetto
  • •Push e4 at the right moment to gain central space and open lines for attack

♚
Black's Plans

  • •Fianchetto the queenside bishop to b7, controlling e4 and the long diagonal
  • •Play ...Bb4+ when possible to force White's bishop to d2 (less active than b2)
  • •Challenge the center with ...d5 or ...c5 breaks at the appropriate moment
  • •Use ...Ne4 to trade pieces and simplify when White has more space
  • •Develop flexibly with ...Be7, ...O-O, and ...d6 or ...d5 based on White's setup
  • •Create queenside counterplay with ...c5 or ...a5, preventing White's expansion
  • •In the middlegame, maneuver the knight to c5 or e4 to pressure White's position

Key Variations

Explore the most important branches and transpositions in the Queen's Indian Defense.

Petrosian System

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5

The most direct setup, where White plays a3 to prevent ...Bb4 and maintain maximum control. Named after World Champion Tigran Petrosian who refined this system to perfection. Black typically responds with ...d5, leading to symmetrical structures where subtle differences matter. White aims to exploit the slight space advantage while Black seeks equality through piece activity. Modern theory considers this one of Black's most reliable options.

Classical Fianchetto

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6 8.Bc3 d5 9.Ne5

The main line and most popular variation. Both sides fianchetto their bishops, leading to a strategic battle on the long diagonals. White often plays Ne5 to control key central squares, while Black seeks ...Nbd7 and ...c5 to challenge the center. The positions are rich in strategy with plans involving pawn breaks like ...d5, ...c5, or e4. This variation has been deeply analyzed at the highest level.

Miles Variation

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Bf4 Bb7 5.e3 Bb4+ 6.Nbd2

White develops the bishop outside the pawn chain before playing e3, a modern approach popularized by English GM Tony Miles. The bishop on f4 controls e5 and can support a kingside expansion. Black must decide whether to allow White this bishop placement or challenge it with ...Nh5. The positions are less theoretical than the main lines, offering practical chances.

4.Nc3 Bb4 (Hybrid)

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb4 5.Bg5 Bb7 6.e3 h6 7.Bh4 Bxc3+

A hybrid between the Nimzo-Indian and Queen's Indian. Black plays ...Bb4 when White develops the knight to c3, combining the pin from the Nimzo with the fianchetto. This leads to sharp tactical play and is recommended for aggressive players. After ...Bxc3+, Black damages White's structure but White gains the bishop pair and central control.

Kmoch Variation

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 a5

Black plays ...a5, a modern idea preventing White's typical queenside expansion with b4. This subtle move was popularized in the 21st century and has become increasingly popular. The position remains flexible, and Black can later play ...d6 or ...d5 depending on White's setup. The pawn on a5 also prepares ...Na6-c5, an interesting knight maneuver.

Old Main Line

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3

The classical treatment where Black develops naturally and plays ...Ne4, trading the knight for White's c3 knight. This simplifies the position and leads to a strategic endgame where both sides have chances. White has slightly more space, but Black's position is rock solid. This variation teaches excellent positional chess principles and is ideal for learning the opening.

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 Traps

Watch out for these dangerous tactical pitfalls

Ba6 Trap

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qc2?! Bb4+! 6.Bd2 Bb7 7.Bg2 c5!

If White plays the seemingly natural 5.Qc2 to defend c4 and prevent ...Bb4+, Black can still play ...Bb4+ with devastating effect! After 6.Bd2 Bb7, the bishop has retreated but forced White's bishop to a passive square. Then 7...c5! attacks the center immediately, and White's position crumbles. White should play 5.b3 instead, accepting the doubled pawns after ...Bb4+.

Greedy e4 Advance

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 Be7 7.O-O O-O 8.e4?! Nxe4! 9.Ng5 Nxd2 10.Nxf7 Nxf1

White's premature e4 push looks aggressive but neglects development and king safety. Black can capture the pawn with ...Nxe4!, and after the forced sequence, Black wins material. The knight on f1 is trapped, and Black is clearly better. White should complete development before pushing e4 - this opening demands patience and strategic understanding, not premature aggression.

Petrosian System Blunder

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.Bg5?! Ne4! 7.Bh4 Nxc3 8.bxc3 dxc4

The developing move 6.Bg5 looks natural but allows Black's tactical blow ...Ne4! After the forced trades, Black has captured on c4 and damaged White's pawn structure. White's pieces are poorly coordinated, and the bishop on h4 is misplaced. White should play 6.cxd5 instead, maintaining the symmetrical structure and balanced position.

Miles Variation Trap

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Bf4 Bb7 5.e3 Bb4+ 6.Nbd2 Ne4 7.a3 Bxd2+ 8.Nxd2 Nxd2 9.Qxd2 O-O

Beginner Tips

💡

Always fianchetto your queenside bishop to b7 - this is the key move that defines the Queen's Indian

💡

Play ...Bb4+ when White develops the knight to c3 - this forces White to place the bishop on d2

💡

Be patient with ...d5 - wait until you've completed development and White has committed

💡

Study the light square strategy - your main goal is controlling e4 and the long diagonal

💡

Don't fear symmetrical positions after ...d5 cxd5 - Black's position is very solid

💡

Castle early! The Queen's Indian is about strategy, but you still need king safety

💡

Use the ...Ne4 maneuver to trade pieces when White has more space

💡

Learn the typical pawn breaks: ...d5, ...c5, and occasionally ...f5 in certain positions

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.

Famous Games

PolugaevskyvsPetrosian
USSR Championship 19600-1

Tigran Petrosian's masterpiece in his beloved Queen's Indian Defense. Petrosian demonstrated the opening's strategic depth with prophylactic play and subtle maneuvering. His light square control became overwhelming, and he converted a minimal advantage into a win with perfect technique. This game showed why Petrosian was called "Iron Tigran" and established the Queen's Indian as a World Championship-caliber weapon.

KorchnoivsKarpov
World Championship 1978 (Game 2)0-1

Anatoly Karpov's legendary defensive performance in a crucial World Championship game. Despite facing strong pressure from Viktor Korchnoi, Karpov's Queen's Indian setup proved incredibly resilient. He gradually improved his position and seized the initiative, demonstrating the opening's ability to transition from defense to attack. This victory was critical in Karpov's successful title defense.

KasparovvsGelfand
Linares 19931/2-1/2

Boris Gelfand held the mighty Garry Kasparov to a draw with the Queen's Indian, showcasing the opening's solid foundations. Despite Kasparov's aggressive attempts to break through, Gelfand's accurate defense and understanding of the light square strategy kept the position balanced. This game demonstrated that even against the strongest attacking player in history, the Queen's Indian provides a reliable defense.

KramnikvsLeko
Dortmund 20070-1

Peter Leko's brilliant positional victory over World Champion Vladimir Kramnik. Leko demonstrated modern Queen's Indian strategy, combining solid structure with dynamic piece play. His patient buildup and timely ...c5 break resulted in a dominant position. The game showed how the Queen's Indian can be used not just for drawing but for outplaying even the world's best positional players.

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