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King's Indian Defense report from your own games

King's Indian Defense report from your own games

Are you a true King's Indian warrior? Find out if your attacking instincts translate into wins.

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Sample Report

King's Indian Defense Report

35 GAMESSample Data
Win Rate
54%

Performance vs Other Openings

King's Indian Defense54% Win
Other Openings48% Win

Key Insights

Attack Timing
black
High Impact

The ...f5 Break Succeeds 75% of the Time When Played After ...Nd7

What this means
In 35 King's Indian games, you played ...f5 in 22 of them. When prepared with ...Nd7 first (rerouting the knight from f6 to support f5), you won 9 out of 12. When you played ...f5 without ...Nd7 preparation, you won only 4 out of 10. The unprepared f5 often leaves the e6 square weak and your knight on f6 misplaced.
How to improve
Follow the standard King's Indian recipe: (1) ...Nbd7, (2) ...f5, (3) ...Nf6 back to support the attack. The knight reroute via d7 is not a waste of time — it ensures f5 has proper support. After ...f5 exf5 gxf5, your knight returns to f6 aiming for g4 or h5, and the g7 bishop comes alive. Never play ...f5 when your knight is still blocked on d7 without Nf6 being available.
#f5-break#knight-maneuver#preparation
Defensive Awareness
black
High Impact

White's c5 Break Ignored in 45% of Games, Costing an Average of 0.8 Pawns

What this means
When White achieved c5 in the Classical variation, you failed to react with ...a5 (preventing queenside expansion) in 7 out of 15 games. In those 7 games, White's queenside attack succeeded before your kingside attack, resulting in 5 losses. The engine consistently recommends ...a5 as the critical defensive resource.
How to improve
In the Classical King's Indian (d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5), always play ...a5 when White plays c5. This stops b4-b5 and gives your rook activity on the a-file. The timing is usually right after White plays c5 — respond immediately with ...a5. Don't get tunnel vision on the kingside; a quick ...a5 takes one move but saves your entire queenside.
#c5-break#queenside-defense#a5-resource
Piece Activity
black

Bishop on g7 Blocked in 60% of Games After Move 20

What this means
Your g7 bishop, the most important piece in the King's Indian, remains blocked behind your own pawns (e5, d6) past move 20 in 21 of 35 games. When the bishop is active (after ...f5 or ...c6/...d5), your win rate is 68%. When it stays blocked, it drops to 36%. The blocked bishop means your entire opening setup has failed to achieve its purpose.
How to improve
The entire King's Indian is built around activating the g7 bishop. Your plan should always include one of: (1) ...f5 followed by ...f4, opening the g7 bishop's diagonal, (2) ...c6 and ...d5, challenging the center directly, or (3) ...Nh5-...Nf4, forcing exchanges that open lines. If none of these are possible by move 15, reconsider whether the King's Indian was the right choice for that particular game.
#bishop-activity#g7-bishop#pawn-structure

Top Variations

1
Classical Variation
15 games
2
Saemisch Variation
11 games
3
Four Pawns Attack
9 games

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What we analyze in your King's Indian games

Your execution of the f5 pawn break and kingside attack

Your handling of the Classical variation pawn storms

Your success in Benoni-type positions with c5

Your piece coordination in the Saemisch Attack

Your defensive technique when White attacks on the queenside

Your timing of the e5 break and central counterplay

Learn This Opening

Play through the main line move by move

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

Black develops the kingside knight and attacks d4, the most flexible first move against 1.d4. This allows Black to enter the King's Indian, Nimzo-Indian, Queen's Gambit Declined, or other setups depending on White's response.

Opponent is playing…
1.d4Nf62.c4g63.Nc3Bg74.e4d65.Nf3O-O6.Be2e57.O-ONc68.d5Ne79.Ne1Nd710.f3f5

Key Positions to Know

Critical concepts every King's Indian Defense player should understand

The King's Indian Fianchetto

Black's Bg7 controls the long diagonal a1-h8 and supports the ...e5 and ...f5 breaks. This bishop often becomes Black's most important piece, especially in the middlegame when lines open up after the central pawn pushes.

The ...f5 Pawn Break

Black's signature attack. After ...Nbd7, ...e5, and preparation, Black launches ...f5 to blow open the kingside. If f5 is achieved successfully, the g7 bishop comes alive and Black often gets a crushing attack.

Dueling Attacks

The King's Indian creates the ultimate strategic battle: White expands on the queenside with c5-d5, while Black attacks on the kingside with ...f5-f4. Both sides must be relentless — the first to break through wins.

Strategic Plans

♔
White's Plans

  • •Budować silne centrum przez c4, d4 i e4
  • •Atakować na skrzydle hetmańskim przez c5 lub a4-a5
  • •Wymienić gońca na g7 by wyeliminować głównego obrońcę Czarnych
  • •Używać przewagi przestrzeni by ograniczyć figury Czarnych
  • •Utrzymywać skoczka na d5 dla dominacji centralnej
  • •Use the d5 pawn as an anchor, preventing ...d5 breaks
  • •Defend the kingside carefully while pushing queenside pawns

♚
Black's Plans

  • •Grać ...e5 dla natychmiastowego napięcia centralnego
  • •Przeprowadzić atak na skrzydle królewskim przez ...f5 i ...Se8-f6
  • •Aktywnie używać gońca na g7 wzdłuż długiej przekątnej
  • •Tworzyć kontratak na skrzydle hetmańskim przez ...c5
  • •Szukać poświęceń na h3 lub innych kluczowych polach aby otworzyć atak
  • •Look for tactical shots involving ...Bxc3, opening lines
  • •Use the e5 pawn as a springboard for ...f4 and kingside attacks

Key Variations

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

Wariant klasyczny (Sämisch)

Białe grają e3 i f3, budując masywne centrum. Czarne odpowiadają ...e5 i często ...c5 lub ...f5 dla natychmiastowego kontrataku.

Wariant Mar del Plata

Czarne grają ...e5, ...Se8, ...f5, by przeprowadzić bezpośredni atak na skrzydle królewskim Białych. To jedna z najbardziej niezrównoważonych pozycji w szachach.

Atak czterema pionkami

Białe grają c4, d4, e4 i f4, tworząc ogromne centrum czterech pionków. Czarne muszą natychmiast atakować przez ...c5 lub ...e5.

Wariant Awerbacka

Białe grają Ge3 i Hc2 zamiast popularniejszego rozwinięcia. Ten wariant jest bardziej pozycyjny.

Averbakh Variation

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5

Named after GM Yuri Averbakh, White develops the bishop to g5, putting immediate pressure on f6 and preparing Qd2. Black typically responds with 6...c5 or 6...Nbd7, aiming for ...e5 or ...e6 setups. This variation is less committal than the Saemisch but maintains pressure on Black's position.

Petrosian System

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 Nbd7 8.Bg5

Named after World Champion Tigran Petrosian, this system features an early Bg5, restraining Black's pieces. White aims to prevent ...f5 or make it less effective. After 8...h6 9.Bh4, White maintains pressure while preparing queenside expansion with Nd2, a4, and b4. Black must find counterplay with ...Nh7, ...g5, or central breaks.

Opening Statistics

Original research from 1,736 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
-0.7%
Favors BlackEqualFavors White

At 1200-1400

📊White's edge is 0.7% — the position is essentially equal.

How This Opening Changes as You Improve

RatingGamesWhite's Edge
800-100070
-10.0%44 /0 /54
1000-1200177
-4.5%46 /0 /51
1200-1400295
-0.7%49 /0 /50
1400-1600445
+2.2%50 /0 /48
1600-1800749
+2.0%49 /0 /47

Based on 1,736 games · Updated March 2026

Why Play the King's Indian Defense?

Dynamiczne i ekscytujące pozycje

Obrona Indyjska Króla tworzy niektóre z najbardziej ekscytujących i taktycznych pozycji w szachach. Obie strony często atakują jednocześnie na przeciwnych skrzydłach.

Sprawdzona przez mistrzów świata

Kasparow, Fischer, Bronstein i wielu innych mistrzów świata regularnie grało OIK. Jest to jedna z najbardziej szanowanych otwarć w repertuarze Czarnych.

Potężny kontratak

Mimo że Białe budują duże centrum pionkowe, Czarne uzyskują potężny kontratak przez ...e5, ...f5 i ...c5. Czarne nigdy nie są bez zasobów.

Bogata teoria

Ogromna ilość teorii w OIK gwarantuje, że zawsze jest więcej do nauczenia i zbadania.

Common Traps

Watch out for these dangerous tactical pitfalls

Klasyczna pułapka OIK

W wielu pozycjach OIK Czarne mogą poświęcić figury na h3 lub g4, by otworzyć linie ataku na króla Białych. Te poświęcenia mogą być druzgocące, jeśli Białe nie są ostrożne.

Saemisch Knight Trap

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 8.Qd2 Nbd7 9.Nc1? exd4 10.Bxd4 Ne5!

White's knight retreats too slowly. After 11.Be2 Neg4! or 11.Be3 Ng4!, Black wins material. The f3 pawn and bishop on e3 are both hanging. White should play 9.O-O-O instead, keeping the position under control.

Four Pawns Blunder

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Nf3 c5 7.d5 e6 8.Be2 exd5 9.cxd5? Bg4!

White recaptures incorrectly. After 10.O-O Nxe4! or even better, immediate 9...Nxe4!, Black wins a pawn. If 10.Nxe4 Re8 11.Qd3 f5! Black gets a great position. White must play 9.e5! or 9.Nxd5, maintaining central tension.

Classical Queen Trap

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.b4? Nh5! 10.Re1 Nf4 11.Bf1 f5!

White's premature queenside expansion allows Black to launch a devastating kingside attack. The knight on f4 is secure, and ...f5 breaks open White's position. If White takes on f4, ...Rxf4 gives Black tremendous compensation. White should play 9.Ne1 or 9.Nd2 instead.

Beginner Tips

💡

Naucz się dobrze fianchetto — goniec na g7 jest twoją najważniejszą figurą

💡

Typowy kontratak to ...e5 — naucz się kiedy i jak go zastosować

💡

Nie bądź bierny — Czarne muszą zawsze mieć aktywny plan

💡

Studiuj warianty Mar del Plata dla klasycznych idei atakujących

💡

Poznaj typowe motywy poświęceń dla gróźb przeciwko królowi Białych

💡

Black should be patient. Let White overextend on the queenside, then strike with ...f5, ...f4, and ...g5

💡

Learn one system deeply (Classical or Saemisch) rather than trying to play everything

💡

The opening favors practical play over memorization - understand the plans rather than memorizing 20 moves

Common King's Indian patterns we detect

We automatically check if you fall for these specific traps.

About the King's Indian Defense

The King's Indian Defense (1. d4 Nf6 2. c4 g6) is one of the most dynamic and aggressive defenses against 1. d4. Black allows White to build a big center, then counter-attacks it with fierce kingside play.

We analyze your attacking play on the kingside, timing of the f5 break, and defensive resilience when White expands. We identify where your counterattacking plans fall short.

openings.page.sections.keyThemes

Fianchetto gońcaDynamiczny kontratakNiezrównoważone pozycjeGra skrzydłowaUlubiona wielkich mistrzów

openings.page.sections.notablePlayers

Bobby FischerGarry KasparovMikhail TalTeimour Radjabov

Frequently Asked Questions

Common questions about King's Indian Defense analysis

The King's Indian Defense begins with 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6. Black allows White to build a massive pawn center (e4 and d4) and then counterattacks it. The fianchettoed bishop on g7 — the cornerstone of the defense — controls the long diagonal and supports Black's kingside counterplay. After 5. Nf3 O-O 6. Be2 e5, the Classical position is reached: Black challenges the center with ...e5 and prepares the thematic ...f5 break.
The Classical Variation (1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O) is the main line. After 7...Nc6 8. d5 Ne7, the position splits: White typically chooses the Mar del Plata system (9. Ne1, preparing f3 and queenside expansion) or the Petrosian system (9. b4, restraining Black). The middlegame features a classic race: White attacks queenside with a4-b5, while Black storms the kingside with ...f5, ...f4, and ...g5.
The Saemisch Variation (4. e4 d6 5. f3) is one of the most aggressive systems. White plays f3 before developing the kingside knight, building a massive center and preparing Be3, Qd2, and often O-O-O followed by a kingside pawn storm. Black must react sharply — the typical response is 5...O-O 6. Be3 e5, accepting the centre challenge. Black often sacrifices pieces for a devastating attack. The Saemisch is theoretically demanding but extremely double-edged.
The Four Pawns Attack (4. e4 d6 5. f4 O-O 6. Nf3) is White's most ambitious try — establishing four pawns across the centre (c4, d4, e4, f4) and grabbing maximum space. Black must counterattack immediately with 6...c5! 7. d5 e6, undermining the centre. The Four Pawns Attack requires precise knowledge from both sides.
The Four Pawns Blunder occurs after 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5? Bg4!. White's incorrect recapture 9. cxd5 allows the pin 9...Bg4!, and after 10. O-O Nxe4!, Black wins a centre pawn. White must play 9. e5! or 9. Nxd5 instead.
The Classical Queen Trap occurs after 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4? Nh5! 10. Re1 Nf4 11. Bf1 f5!. White's premature b4 allows Black to plant the knight on f4 and launch a devastating kingside pawn storm. White should play 9. Ne1 (Mar del Plata) or 9. Nd2 before queenside expansion.
Garry Kasparov used the King's Indian throughout his career, most famously in his 1978 USSR Championship victory over Korchnoi where a piece sacrifice on f3 opened White's kingside catastrophically. The King's Indian is not just an opening — it is a statement of psychological intent. By allowing White to build a centre and demolishing it, Kasparov turned defensive positions into devastating counterattacks.

Famous Games

BronsteinvsGeller
Zurich Candidates 19530-1

One of the most spectacular King's Indian games ever played. Geller sacrificed multiple pieces in a breathtaking kingside attack, culminating in a famous queen sacrifice. This game established the King's Indian as a legitimate weapon at the highest level.

TaimanovvsNajdorf
Zurich Candidates 19530-1

Najdorf demonstrated the power of Black's counterattacking strategy. Despite White's central superiority, Black's kingside pawn storm proved devastating. The game featured the typical ...f5, ...f4, ...g5 plan, breaking through White's kingside.

KorchnoivsKasparov
USSR Championship 19780-1

Young Kasparov crushed Korchnoi in a tactical masterpiece. This game showcased Kasparov's deep understanding of King's Indian attacking themes and announced him as a major force in chess. The piece sacrifice on f3 opened the floodgates.

PetrosianvsFischer
Candidates 1971 (Game 7)0-1

Fischer's famous King's Indian victory over Petrosian (inventor of the Petrosian System) in their Candidates match. Fischer demonstrated perfect timing, breaking through on the kingside with a model execution of Black's attacking plan. This game is studied by every King's Indian player.

Learning Resources

video

King's Indian Defense Masterclass - GothamChess

course

The King's Indian Defense by GM Boris Gelfand - Chessable

book

Understanding the King's Indian by GM Mikhail Golubev

book

The King's Indian Defence: Move by Move by GM Neil McDonald

course

King's Indian Defense Opening Guide - Chess.com

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