Classical starting tabiya
White has the full centre; Black has the King's Indian setup and challenges with ...e5.
Example move sequence1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5
King's Indian Classical Variation: Adviser, Diagrams and Replay Lab
The King's Indian Classical Variation is the main Be2/Nf3/e4 system against the King's Indian Defence: 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5. This page compares the locked-centre main line, Bayonet 9.b4, 9.Ne1, 9.Nd2, 7.Be3 and Black's attacking routes.
Classical King's Indian quick map
This is the practical centre of the King's Indian Defence: White takes space, Black seeks dynamic counterplay.
- Classical tabiya:
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5. - Main line:
7.O-O Nc6 8.d5 Ne7. - Bayonet:
9.b4. - Manoeuvre systems:
9.Ne1, 9.Nd2 and 7.Be3.
King's Indian Classical Adviser
Choose your side, branch, problem and study time. The adviser points to the diagram or replay group that best fits the Classical KID structure.
Key King's Indian Classical diagrams
These python-chess checked diagrams use final-move arrows from each displayed sequence: 6...e5, 8...Ne7, 9.b4, 9.Ne1, 9.Nd2, 7.Be3 and ...Na6.
Main Line locked centre
The centre locks and both sides prepare opposite-wing plans.
Example move sequence1.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
Bayonet Attack 9.b4
White grabs queenside space before Black's kingside attack arrives.
Example move sequence1.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
9.Ne1 plan
White reroutes the knight and keeps central and defensive choices flexible.
Example move sequence1.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.Ne1
9.Nd2 plan
White supports flexible queenside expansion and avoids some pressure on f3.
Example move sequence1.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.Nd2
7.Be3 system
White develops the bishop early and invites ...Ng4 or ...c6/d5 choices.
Example move sequence1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3
...Na6 Classical
Black chooses a flexible knight route instead of the standard ...Nc6/Ne7 structure.
Example move sequence1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Na6
King's Indian Classical Replay Lab
The replay selector uses supplied King's Indian Classical PGNs only, grouped by Bayonet structures, 9.Ne1, 9.Nd2, 7.Be3, ...Na6 and Exchange-style systems.
Recommended first pass: Kasparov vs Anand for Black resources, Kramnik vs Kasparov for White's queenside squeeze, and Aronian vs Radjabov for modern Bayonet counterplay.
King's Indian Classical Branch Map
King's Indian Defence parent
This page is the Classical Be2/Nf3/e4 branch. Return to the King's Indian Defence page.
Mar del Plata comparison
The deepest locked-centre attacking lines can be split into the Mar del Plata page.
Petrosian comparison
If White uses an early d5 without the same Be2/Nf3 main-line shape, compare the Petrosian Variation page.
Other King's Indian systems
Compare Sämisch, Four Pawns Attack and Fianchetto Variation.
Study plan for White
- Learn the locked-centre main line and decide whether your main route is Bayonet 9.b4, 9.Ne1, 9.Nd2 or 7.Be3.
- Practise timing queenside breaks before Black's kingside attack lands.
- Use the Replay Lab to compare one White squeeze and one Black attacking win.
Study plan for Black
- Know your main counterplay route: ...Nc6/Ne7, ...Na6, ...Nh5, ...Ne8 or ...exd4.
- Connect ...f5 to piece activity, not just a pawn storm.
- Use the Adviser to decide whether your model game should be Bayonet defence, 9.Ne1 attack or 7.Be3 counterplay.
King's Indian Classical Variation FAQ
King's Indian Classical Variation basics
What is the King's Indian Classical Variation?
The King's Indian Classical Variation is the King's Indian setup where White builds the full centre with d4, c4 and e4, develops Nf3 and Be2, and Black replies with ...Nf6, ...g6, ...Bg7, ...d6, ...O-O and ...e5. Use the Classical starting tabiya diagram.
What is the exact move order of the King's Indian Classical Variation?
A standard move order is 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5. Use the Classical starting tabiya diagram.
Is the Classical Variation the main King's Indian Defence system?
Yes. The Classical Variation is one of the central battlegrounds of the King's Indian because both sides follow the most direct development plan. Use the Replay Lab's Classical groups.
What is Black's main idea in the Classical Variation?
Black accepts White's space advantage, then attacks the centre and kingside with ...e5, ...f5, ...g5, ...h5 or piece pressure. Use the Main Line diagram.
What is White's main idea in the Classical Variation?
White usually uses the space advantage to press on the queenside, open files and restrain Black's kingside attack. Use the Bayonet Attack diagram.
Why is the King's Indian Classical so sharp?
It is sharp because White often attacks on the queenside while Black attacks the king, so both players race on opposite wings. Use the Adviser with goal set to choose a plan.
Is the Classical Variation good for club players?
Yes, but it is more plan-heavy than quiet. Club players should learn the main structures before memorising deep move orders. Use the diagram grid.
Is the Classical Variation suitable for both sides?
Yes. White gets space and queenside chances; Black gets dynamic counterplay and practical attacking chances. Use the Replay Lab to compare wins for both colours.
Main branches and structures
What is the main line after 6...e5?
The main line is 7.O-O Nc6 8.d5 Ne7, reaching the classic locked-centre King's Indian structure. Use the Main Line diagram.
What is the Bayonet Attack?
The Bayonet Attack is 7.O-O Nc6 8.d5 Ne7 9.b4, where White gains queenside space immediately. Use the Bayonet Attack diagram.
What is the 9.Ne1 plan?
The 9.Ne1 plan supports Nd3, Be3, f3 or kingside reinforcement while keeping the centre locked. Use the 9.Ne1 plan diagram.
What is the 9.Nd2 plan?
The 9.Nd2 plan prepares b4, c5, a queenside squeeze, or flexible kingside defence. Use the 9.Nd2 plan diagram.
What is the 7.Be3 system?
The 7.Be3 system develops the bishop before castling or before fixing the centre, often provoking ...Ng4 or ...c6 ideas. Use the 7.Be3 system diagram.
What is Black's ...Na6 setup?
Black's ...Na6 setup develops the knight to c5 or supports queenside counterplay while keeping ...Nc6 options flexible. Use the ...Na6 Classical diagram.
What is the Exchange-style Classical line?
Exchange-style lines arise when Black or White clarifies the centre with dxe5, ...dxe5 or ...exd4. Use the Exchange replay group.
How do I choose a Classical branch as White?
Choose Bayonet for direct queenside space, 9.Ne1 for manoeuvring, 9.Nd2 for flexible control, or 7.Be3 for early bishop development. Use the Adviser.
Plans for White
What should White do in the locked centre?
White usually plays on the queenside with b4, c5, a4, Ba3, Rc1 or Rb1 while watching Black's kingside break. Use the Bayonet Attack diagram.
Why does White play b4?
White plays b4 to gain queenside space, prepare c5 or bxa5, and force Black to spend time answering the queenside. Use the Bayonet Attack diagram.
Why does White play d5?
White plays d5 to lock the centre and define the typical race: White on the queenside, Black on the kingside. Use the Main Line diagram.
Why does White play Ne1?
Ne1 reroutes the knight to d3 or c2 and keeps f3/f4 defensive and central options available. Use the 9.Ne1 plan diagram.
Why does White play Nd2?
Nd2 keeps the knight flexible, supports c4-c5 or b4-b5, and avoids some tactical pressure on f3. Use the 9.Nd2 plan diagram.
How does White stop Black's kingside attack?
White must combine queenside speed with timely defensive moves like h3, g3, Re1, Nd3 or piece exchanges. Use the Adviser with side set to White.
When should White open the queenside?
White should open the queenside when Black's kingside attack is not yet decisive and White's pieces can enter through open files. Use the Replay Lab's Bayonet groups.
What is White's biggest mistake?
White's biggest mistake is pushing queenside pawns too slowly while Black's ...f5, ...g5 and ...h5 attack arrives first. Use the Replay Lab's Black-win examples.
Plans for Black
What should Black do in the locked centre?
Black usually prepares ...f5, then follows with ...f4, ...g5, ...h5, ...Nf6-h5-f4 or rook lifts depending on White's setup. Use the Main Line diagram.
Why does Black play ...f5?
...f5 challenges White's centre and opens kingside attacking lanes. It is the signature King's Indian counterplay idea. Use the Replay Lab's Black attack groups.
Why does Black play ...Ne7?
After 8.d5, ...Ne7 clears c8-b7 lines, supports ...f5, and often routes the knight to g6 or c8. Use the Main Line diagram.
Why does Black play ...Nh5?
...Nh5 aims for ...f5, ...Nf4 or pressure on g3 and f4. Use the Bayonet with ...Nh5 replay group.
Why does Black play ...Ne8?
...Ne8 supports ...f5 while keeping the knight available for g7, c7 or f6 routes depending on the structure. Use the Bayonet with ...Ne8 replay group.
What is Black's rook-lift idea?
Black often uses ...Rf7, ...Bf8, ...Rg7 or ...Rh6/Rh7 to add attacking pieces to the kingside. Use the Replay Lab's Nakamura and Radjabov games.
What is Black's biggest mistake?
Black's biggest mistake is playing the kingside attack too slowly while White opens the queenside and invades. Use the Replay Lab's White-win examples.
How should Black choose a setup?
Black should choose ...Nc6/Ne7 for main-line pressure, ...Na6 for flexibility, or ...exd4 systems when a clearer structure is preferred. Use the Adviser.
Replay Lab and model games
Which Classical KID replay should I watch first?
Start with Kasparov vs Anand for Black dynamic defence, then compare Kramnik vs Kasparov for White's queenside squeeze. Use the Replay Lab selector.
Which replay shows the Bayonet Attack?
Kramnik vs Kasparov, Topalov vs Morozevich, Aronian vs Radjabov, Ivanchuk vs Radjabov and Anand vs Nakamura show Bayonet or b4 structures. Use the Bayonet replay groups.
Which replay shows Black's attacking resources?
Kasparov vs Anand, Aronian vs Radjabov, Ivanchuk vs Radjabov, Kramnik vs Nakamura and Anand vs Nakamura show strong Black counterplay. Use the Black-result replay groups.
Which replay shows White's queenside squeeze?
Kramnik vs Kasparov, Kramnik vs Grischuk, Nakamura vs Radjabov and Topalov vs Radjabov show White using space and files. Use the White-result replay groups.
Which replay shows ...Na6 systems?
Topalov vs Svidler, Kramnik vs Topalov, Gelfand vs Carlsen and Ponomariov vs Nakamura show ...Na6 structures. Use the ...Na6 replay group.
Which replay shows Exchange or ...exd4 systems?
Carlsen vs Grischuk, Topalov vs Radjabov, Morozevich vs Grischuk and Ponomariov vs Nakamura show Exchange-style or ...exd4 Classical structures. Use the Exchange replay group.
Which replay is best for Black players?
Kasparov vs Anand, Aronian vs Radjabov, Ivanchuk vs Radjabov, Aronian vs Carlsen, Gelfand vs Carlsen, Kramnik vs Nakamura and Anand vs Nakamura are strong Black models. Use the Replay Lab.
Which replay is best for White players?
Kramnik vs Kasparov, Topalov vs Morozevich, Kramnik vs Grischuk, Topalov vs Radjabov, Nakamura vs Radjabov and Kramnik vs Ponomariov are strong White models. Use the Replay Lab.
Practical repertoire choices
Should White play the Classical Variation?
White should play it if they want the most principled King's Indian fight with space, central control and queenside attacking chances. Use the Adviser with side set to White.
Should Black play the Classical King's Indian?
Black should play it if they are comfortable allowing White space in return for active kingside counterplay. Use the Adviser with side set to Black.
Is the Classical Variation too theoretical?
It is theoretical, but the main plans are more important than memorising every branch at first. Use the diagram grid before deep replay study.
Is the Bayonet Attack critical?
Yes, the Bayonet is one of White's most important Classical tests because it gains queenside space before Black's attack fully develops. Use the Bayonet Attack diagram.
Is 9.Ne1 still playable?
Yes. 9.Ne1 remains a practical manoeuvring route where White can prepare Nd3, Be3, f3 or kingside defence. Use the 9.Ne1 plan diagram.
Is 7.Be3 a Classical system?
Yes. 7.Be3 is a Classical branch because White still uses the Be2/Nf3/e4 centre structure, but develops the bishop early. Use the 7.Be3 system diagram.
What should I study after this page?
After this page, study the Mar del Plata, Petrosian, Sämisch, Four Pawns Attack and Fianchetto pages. Use the Branch Map links.
How should I use this page for training?
Use one diagram to learn the structure, one Adviser recommendation to choose a plan, and one Replay Lab group to see the plan in action. Use the Adviser first.
Next step
Use this page as the dedicated Classical KID lab. Start with the Classical starting tabiya diagram, then compare Bayonet, 9.Ne1, 9.Nd2 and 7.Be3 in the Replay Lab.
Want to connect this opening with wider opening principles?
Study opening principles with practical examples
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