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King's Indian Attack report from your own games

King's Indian Attack report from your own games

Flexible system with kingside fianchetto. See your attacking success.

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King's Indian Attack Report

48 GAMESSample Data
Win Rate
54%

Performance vs Other Openings

King's Indian Attack54% Win
Other Openings48% Win

Key Insights

When e5 is played at the right moment, your win rate soars; mistimed pushes are punished
white
High Impact

e5 Advance Timing Determines Win Rate Across All KIA Lines

What this means
The e5 pawn advance is the signature break in the King's Indian Attack, and your results vary dramatically based on timing. In your 48 KIA games, when e5 is played after full kingside development (Nf3, g3, Bg2, O-O, Re1, Nbd2 with the knight ready to go to f1-h2-g4 or f1-e3), your win rate is 65% across 20 games. When e5 is pushed before the knight rerouting is set up (typically before move 12), your win rate drops to 38% across 16 games. Game #156 shows ideal timing: after Nf3 g3 Bg2 O-O d3 Nbd2 Re1 e4 Nf1 e5, the break came on move 11 with all pieces optimally placed, and the kingside attack was irresistible. Game #203 shows the danger: e5 on move 8 before Nbd2 was played, and Black's ...dxe5 followed by ...Nd5 gave Black a dominant central knight with no white pieces ready to attack.
How to improve
Treat e5 as a loaded weapon — powerful but requiring careful preparation. The checklist before playing e5 in the KIA should be: (1) king is castled, (2) rook is on e1 supporting the e-pawn, (3) knight on d2 is ready to reroute to g4 or e3 after e5, (4) the Bg2 is not blocked by the e-pawn. A good rule of thumb: e5 should come between moves 10 and 14, never before move 9 and rarely after move 16. Study Fischer's KIA games, especially his famous win against Myagmarsuren (1967), for the ideal e5 timing.
#pawn-breaks#timing#e5-advance
Your ability to convert kingside space into attacks peaks in the Yugoslav formation
white

Kingside Space Advantage Exploited Best in Yugoslav Setup

What this means
In your 17 Yugoslav Setup games (characterized by Nf3, g3, Bg2, O-O, d3, Nbd2, e4, and eventually h4-h5), you achieve a kingside space advantage in 14 of 17 games by move 15. Your average space differential on the kingside (measured by pawn advancement) is +1.4 ranks, meaning your kingside pawns are significantly further advanced than Black's defensive pawns. This space translates into concrete attacking chances: you open the h-file with hxg6 in 8 of your wins, and your Bg2 + Qe2 + Re1 battery becomes devastating once the h-file is open. Game #88 is your masterpiece: after h4-h5-hxg6, you tripled on the h-file with Qh2, Rh1, Reh1 and delivered checkmate on h7 on move 27.
How to improve
Your Yugoslav Setup is your KIA signature weapon — continue refining it. The key improvements: (1) Time h4 correctly — it should come after your pieces are fully mobilized but before Black completes queenside counterplay. (2) After h5, be patient: do not rush hxg6 unless the recapture leaves a genuine weakness. Sometimes maintaining the h5 pawn as a space-gaining wedge is stronger than opening the file immediately. (3) Study the ...Nh5 defense that some opponents play to block your h-pawn — the counter is g4 driving the knight away, followed by h5 with even more force.
#kingside#space-advantage#strengths
Your knight maneuver Nbd2-f1-e3/g4 takes too long when Black plays a French-style setup
white
High Impact

Piece Regrouping Stalls in 50% of Anti-French Games

What this means
In your 16 Anti-French Formation games (where Black plays ...e6, ...d5, ...Nf6, ...Be7 in a French-like structure), the critical knight regrouping maneuver (Nbd2-f1-e3 or Nbd2-f1-h2-g4) takes you an average of 5.3 moves to complete. In 8 of these games, Black launches a queenside counter-attack with ...c5, ...b5, ...a5 before your knight regrouping finishes, and your win rate when outpaced on the queenside is just 25% (2 wins, 5 losses, 1 draw). Game #234 illustrates the problem: your knight went Nbd2 (move 7), Nf1 (move 10, delayed by Re1), Ne3 (move 13), and by then Black already had ...c5-c4 locking up the queenside with an initiative. The 3-move gap between Nbd2 and the knight's arrival caused the tempo loss.
How to improve
Against French-style setups, accelerate the knight regrouping by playing Nbd2-Nf1 on consecutive moves without interruption. The rook lift to e1 can wait until after the knight reaches its destination. Consider the alternative route Nbd2-f1-h2-g4 instead of f1-e3, as the g4 knight directly pressures f6 and supports both e5 and h5 advances. If Black's queenside play is too fast, consider switching to a prophylactic approach: play a4 early to slow down ...b5, buying time for your knight maneuver to complete. The Anti-French KIA is a race between your kingside attack and Black's queenside expansion — every tempo counts.
#piece-regrouping#knights#tempo

Top Variations

1
Yugoslav Setup
17 games
2
Anti-French Formation
16 games
3
Classical Kingside Attack
15 games

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What we analyze in your King's Indian Attack games

Your e4-e5 pawn break timing

Your kingside attacking success

Your flexible piece placement

Your system understanding

Learn This Opening

Play through the main line move by move

1.knight to f3 (Nf3)

White begins with the most flexible first move, preparing to develop the kingside without committing the center pawns yet.

Play knight to f3 (Nf3)
Drag a piece or tap to move
1.Nf3d52.g3Nf63.Bg2c54.O-ONc65.d3e66.Nbd2Be77.e4

Key Positions to Know

Critical concepts every King's Indian Attack player should understand

The Universal Setup

White plays Nf3, g3, Bg2, O-O, d3, and Nbd2 — a setup that works against virtually any Black defense. The KIA is a "system" opening: White plays the same moves regardless of Black's response, making it incredibly easy to prepare and practically dangerous.

The e4-e5 Central Push

White's main plan is to push e4 and then e5, gaining space and cramping Black's position. The e5 advance opens the diagonal for the g2 bishop, creates a kingside space advantage, and sets the stage for a direct attack on Black's king.

The Kingside Pawn Storm

After e5 locks the center, White can launch a kingside attack with f4, Qe1-h4, and Nf3-h4-f5. The attack practically plays itself — pieces flow to the kingside while the g2 bishop provides long-range support. This plan has claimed countless victims at the club level.

Strategic Plans

♔
White's Plans

  • •Voltooi de opstelling met g3, Lg2, Pf3, d3, Pe2 en 0-0
  • •Ruk op met e5 voor ruimte op de koningsvleugel
  • •Manoeuvreer het paard naar f5 voor directe dreigingen
  • •Gebruik de open g-lijn na opmars op de koningsvleugel
  • •Pas het plan aan de specifieke opstelling van Zwart aan

♚
Black's Plans

  • •Val aan op de damevleugel met ...c5 en ...b5
  • •Gebruik centraal spel om de koningsvleugel van Wit te betwisten
  • •Ruil de loper op g2 om de lange diagonale controleur van Wit te elimineren
  • •Handhaaf centrale spanning om e5-opmars van Wit te verhinderen
  • •Look for ...d5-d4 or ...c5-c4 pawn breaks

Key Variations

Explore the most important branches and transpositions in the King's Indian Attack.

Versus de Siciliaanse

Tegen 1...c5 kan Wit 2.Pf3 spelen en dan g3, Lg2, d3 en e4. Wit heeft een natuurlijke aanval op de koningsvleugel terwijl Zwart op de damevleugel speelt.

Versus de Franse

Tegen 1...e6 2.d3 stelt Wit d4 uit en speelt de volledige KIA-opstelling. Fischer gebruikte deze aanpak om de klassieke Franse theorie te vermijden.

Versus 1...d5

Na 1.e4 d5 2.d3 bereidt Wit de KIA-opstelling voor. Zwart speelt vaak ...Pf6 en ...e6, wat leidt tot posities waarbij Wit aanvalt op de koningsvleugel.

Met e5 en Pf5

In veel posities rukt Wit op met e5 voor ruimtewinst en manoeuveert dan het paard naar het actieve f5. Dit plan is het hart van de koningsvleugelaanval van de KIA.

Opening Statistics

Original research from 1,018 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
+1.7%
Favors BlackEqualFavors White

At 1200-1400

📊White's edge is +1.7% — a slight advantage for White.

How This Opening Changes as You Improve

RatingGamesWhite's Edge
800-1000184
+7.0%51 /0 /44
1000-1200154
+1.3%49 /0 /48
1200-1400182
+1.7%50 /0 /48
1400-1600213
+3.3%50 /0 /47
1600-1800285
+10.9%54 /0 /43

Based on 1,018 games · Updated March 2026

Why Play the King's Indian Attack?

Totale Flexibiliteit

De Konings-Indische Aanval kan worden gespeeld tegen vrijwel elke verdediging van Zwart. Of het nu de Siciliaanse, de Franse of 1...e5-openingen zijn, Wit kan altijd beginnen met g3, Lg2, Pf3 en d3.

Natuurlijke Vleugelaanval

Vanuit de basisopstelling heeft Wit een natuurlijke aanval op de koningsvleugel met e5, Pf5 en directe aanvallen op de koning van Zwart. Deze aanval vloeit voort uit de positie en vereist geen uitgebreid memoriseren.

Gebruikt door Fischer

Bobby Fischer gebruikte de Konings-Indische Aanval met groot succes in veel beroemde partijen, met name tegen de Franse. Fischer's voetsporen volgen is altijd een goed idee.

Minimale Theorie Nodig

De opstelling is altijd hetzelfde: g3, Lg2, Pf3, d3 en e4. Daarna past Wit de standaardplannen toe afhankelijk van Zwarts opstelling.

Common Traps

Watch out for these dangerous tactical pitfalls

Voortijdige e5 Val

Als Wit e5 speelt voordat de ontwikkeling adequaat is voltooid, kan Zwart terugslaan met ...d5 of ...f6, waardoor het centrum van Wit wordt vernietigd en Zwart voordeel behaalt.

Central Breakthrough

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.O-O Bg4 5.d3 Nbd7 6.Nbd2 e6 7.e4 dxe4 8.dxe4 e5 9.h3 Bh5? 10.g4 Bg6 11.Nh4

Black retreats the bishop to h5 but White gains time with g4 and Nh4, winning the bishop pair.

Beginner Tips

💡

Memoriseer de basisopstelling: g3, Lg2, Pf3, d3, Pe2, 0-0

💡

Na de opstelling, speel e5 wanneer het juiste moment is

💡

Bestudeer Fischer's partijen met de KIA voor plannen

💡

Forceer de aanval niet — laat hem van nature uit de positie ontstaan

💡

Leer om plannen aan te passen aan de specifieke opstelling van Zwart

Common King's Indian Attack patterns we detect

We automatically check if you fall for these specific traps.

About the King's Indian Attack

The King's Indian Attack (1.Nf3 d5 2.g3 Nf6 3.Bg2 c5 4.O-O) is a flexible system where White fianchettoes the kingside bishop and aims for kingside expansion.

We analyze your break timing, attacking effectiveness, and strategic understanding in this flexible system.

openings.page.sections.keyThemes

Flexibel systeemLoper fianchettoKoningsvleugelaanvalHypermodern setupVeelzijdige transposities

openings.page.sections.notablePlayers

Bobby FischerBoris SpasskyTigran Petrosian

Frequently Asked Questions

Common questions about King's Indian Attack analysis

The King's Indian Attack is a flexible system where White fianchettoes the king's bishop and plays d3, Nd2, O-O, and e4, creating a strong pawn center while keeping the position solid. Unlike most 1.e4 or 1.d4 openings, it can be played against almost any Black setup — French, Sicilian, Caro-Kann, or Queen's Pawn defenses. The system was a favorite weapon of Bobby Fischer, who used it to defeat World Champions and top contenders by outplaying opponents in rich middlegames.
White's typical plan runs: 1.Nf3, 2.g3, 3.Bg2, 4.O-O, 5.d3, 6.Nbd2, and 7.e4. Once e4 is established, White aims for e5 to gain space, or executes the kingside attack with f4-f5, Nf1-g3, and a direct assault. The key strategic motif is the Nb1-d2-f1-g3 knight maneuver — the knight circles to g3 where it supports both f5 and h5 advances. Against Black players who castle kingside, the KIA's attacking potential is particularly dangerous.
Bobby Fischer made the King's Indian Attack famous by using it regularly in tournaments and match play, crushing world-class opponents. His 1965 win against Robert Byrne using the KIA is considered a masterpiece — Fischer launched a devastating kingside attack from the KIA setup, sacrificing a queen and advancing pawns to deliver a stunning mating attack. Fischer valued the KIA because it avoided heavy opening theory while offering rich middlegames where his superior understanding prevailed.
The most common error is castling kingside prematurely before understanding White's attacking intentions. After 7.e4, if Black castles kingside with the pawns on e6 and d5, White launches the standard KIA attack: 8.e5 Ne8 9.Re1 Nc7 10.Nf1 planning Ng3-h5 and the f4-f5 advance. Black's king is often caught in the center of an opening storm. The correct defensive plan is to delay castling, challenge with ...b5 or ...c5, and keep the queenside pressure alive to slow White's kingside advance.

Famous Games

FischervsMyagmarsuren
Sousse Interzonal 19671-0

One of Fischer's most brilliant KIA games, featuring a devastating kingside attack culminating in a beautiful queen sacrifice.

FischervsBenko
US Championship 19631-0

Bobby Fischer demonstrates the power of the King's Indian Attack with a model game, showcasing typical attacking patterns.

SpasskyvsPetrosian
World Championship 19691-0

Boris Spassky uses the KIA to defeat World Champion Tigran Petrosian in a critical world championship game.

Learning Resources

video

King's Indian Attack Complete Guide - Hanging Pawns

video

How to Play the King's Indian Attack - GothamChess

book

The King's Indian Attack by Gary Lane

course

King's Indian Attack Opening Guide - Chess.com

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