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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) pawn to d5 (d5)

Vit utvecklar springaren och förbereder en fianchetto eller kontrollerar centrum flexibelt.

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

  • •Stödja e4 och driva fram till e5 för att låsa centrum och inleda ett angrepp på kungsflygeln.
  • •Använda g2-löparen och springare för att sätta press på svarts kungsflygel, ofta genomdrag av pjäser till h- och f-linjerna.
  • •Expandera på damflygeln om kungsflygelangreppet blockeras.

♚
Black's Plans

  • •Bemöta vits angrepp genom att expandera på damflygeln med ...c5, ...b5 och springare-manövrar.
  • •Utmana vits centrum genom ...d5 och ...e5, vilket bryter vits grepp om spelet.
  • •Hålla en solid försvarsstruktur på kungsflygeln och utnyttja öppna linjer som uppstår.

Key Variations

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

Classical KIA

1.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.d3 O-O 6.Nbd2 c5 7.e4 Nc6 8.Re1

Svart spelar ...e5 och etablerar ett starkt centrum. Vit spelar e4 och skapar en sluten ställning där vits mål är ett angrepp på kungsflygeln.

French Structure

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 c5 5.g3 Nc6 6.Bg2 Be7 7.O-O

Svart spelar ...e6 och fokuserar på utveckling av damflygeln. Vit trycker ofta fram e5 och inleder en attack mot kungen.

KIA vs Sicilian

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O Nge7 7.Re1

Svart fianchetterar sin egen kungsflygellöpare, vilket resulterar i en symmetrisk och mer strategisk strid.

Botvinnik System

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

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?

Universellt system

KIA fungerar mot nästan alla av svarts uppställningar - Franska, Caro-Kann, Sicilianska strukturer eller symmetriska ställningar. Lär dig ett system, spela det överallt.

Förståelse över minne

Framgång i KIA kommer från att förstå typiska planer och bondegenombrott, inte från att memorera långa teoretiska varianter.

Fischers favorit

Bobby Fischer använde KIA med stor framgång och vann många partier med ett enkelt men effektivt angreppssystem.

Angreppspotential

KIA erbjuder tydliga angreppsplaner på kungsflygeln med e5, f4, Nf3-h4-f5 och bondestormar.

Common Traps

Watch out for these dangerous tactical pitfalls

Tactical e5 Break

1.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.d3 O-O 6.Nbd2 c5 7.e4 Nc6 8.e5 Nd7 9.Re1 b5? 10.Nf1! Bb7 11.Bf4 Qc7 12.h4!

I många linjer kan svart spela ...d4 och vinna damflygelns rymd. Om vit spelar för passivt och låter svarts c- och b-bönder rulla, kan damflygeln falla samman innan kungsangreppet har hunnit starta.

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

Motståndet kan gillra en fälla genom att tillåta vits e5, men sedan spela ...f6 och effektivt stänga ner vits möjligheter på kungsflygeln om vit inte svarar rätt.

Beginner Tips

💡

I KIA är din centrala plan ofta e4 följt av e5, för att kväva svarts spel på kungsflygeln och inleda ditt angrepp.

💡

Lär dig att undvika damflygelns motangrepp från svart, särskilt när de spelar ...c4 eller ...b4.

💡

Din g2-löpare är avgörande - var försiktig med att byta bort den utan god kompensation.

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

Universal systemFlexible developmentKingside fianchettoCentral expansion with e4Attacking potential

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

Fischers mest kända KIA-parti, där han demonstrerade en obeveklig angreppsplan med e5 följt av ett kungsangrepp.

FischervsBenko
US Championship 19631-0

Kramniks positionella mästerverk i KIA, där han visade att systemet inte bara handlar om brutala angrepp, utan också om djup strategisk förståelse.

SpasskyvsPetrosian
World Championship 19691-0

Learning Resources

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Chess.com: Spela King's Indian Attack

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Lichess: KIA-studier

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