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London System King's Indian Setup: Adviser, Diagrams and Replay Lab

The London System King's Indian setup is White's Bf4 structure against ...Nf6, ...g6, ...Bg7, ...d6 and a castled Black king. The key practical sequence is 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3, after which Black usually tests White with ...c5, ...Qb6, ...e5 or ...b6/...Bb7.

London vs King's Indian setup quick map

This page focuses on the fianchetto version of the London, where Be2 and h3 are more important than memorising a fixed autopilot setup.

  • Base setup:
    1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3.
  • White choice:
    c3 for a compact London, c4 for active Réti-style space, or e4 when fully supported.
  • Black tests:
    ...c5 and ...Qb6 pressure d4 and b2 before White is comfortable.
  • Strategic warning:
    Bd3 is less automatic because the g7 bishop changes the attacking geometry.

London KID Setup Adviser

Choose your side, Black's plan, your problem and study time. The adviser points to the diagram or replay group that best fits the fianchetto structure.

Key London System King's Indian setup diagrams

These python-chess checked diagrams use final-move arrows from each displayed sequence: h3, ...Qb6, ...Be6, ...e6, ...e5, Qb3 and c5.

KID setup start

White uses Be2 and h3 to respect the fianchetto bishop while keeping c3, c4 and e4 available.

Example move sequence1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3

...c5 and ...Qb6

Black combines ...c5 pressure on d4 with ...Qb6 pressure on b2.

Example move sequence1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3 c5 7.O-O Qb6

Be6 after Nbd2

Nbd2 protects key squares while Black develops Be6 without rushing ...Qxb2.

Example move sequence1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3 c5 7.O-O Qb6 8.Nbd2 Be6

...b6 and ...Bb7

Black doubles down on long-diagonal pressure with ...b6 and ...Bb7.

Example move sequence1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.Be2 d6 6.h3 b6 7.c4 Bb7 8.Nc3 e6

...e5 break

Black challenges d4 directly and asks White whether the centre is ready.

Example move sequence1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.h3 O-O 6.Be2 Nbd7 7.O-O e5

Qb3 trade-off

White can meet queen pressure with Qb3, but must accept the time cost.

Example move sequence1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.h3 O-O 6.Be2 c5 7.c3 Qb6 8.Qb3

White c5 break

White uses c5 when the pieces are ready to claim queenside space and disturb Black’s coordination.

Example move sequence1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.h3 O-O 6.Be2 b6 7.c4 Nbd7 8.Nc3 Bb7 9.O-O Ne4 10.Nxe4 Bxe4 11.Bh2 e5 12.Qd2 Qe7 13.Rfd1 Rfd8 14.Rac1 a5 15.Qe1 Bb7 16.Qd2 e4 17.Ne1 f5 18.Nc2 g5 19.Na3 Rf8 20.Nb5 Nf6 21.c5

London vs King's Indian Setup Replay Lab

The replay selector uses supplied A48/E61 PGNs only, grouped by ...c5/...Qb6 pressure, ...e5 central play, White c4/c5 plans and sharp fianchetto fights.

Recommended first pass: Jussupow vs Topalov for ...Qb6 pressure, Kamsky vs Smirin for the White c5 break, and Morozevich vs Grischuk for a modern Black counterplay model.

London System Branch Map

London System main line

This page handles Black's King’s Indian-style fianchetto. Return to the London System main-line page.

Early Bf4 comparison

If you want the move-order page for 2.Bf4 before Black chooses a structure, compare the Early Bf4 page.

Anti-...c5/...Qb6 comparison

If Black attacks b2 without the fianchetto emphasis, compare the anti-...c5/...Qb6 page.

QGD setup comparison

If Black uses ...d5, ...e6, ...Nf6 and ...Bd6, compare the QGD setup page.

Study plan for White

  1. Learn the Be2 and h3 setup before choosing c3, c4 or e4.
  2. Compare Black's ...c5/...Qb6, ...e5 and ...b6/...Bb7 plans.
  3. Use the Replay Lab to study one White c5-break win and one Black counterplay win.

Study plan for Black

  1. Challenge the London centre with ...c5 or ...e5 before White becomes comfortable.
  2. Use ...Qb6 only when the queen cannot be chased with tempo by Nc4, Rb1 or Qb3.
  3. Use the Adviser to match your counterplay route to White's c3, c4 or e4 choice.

London System King's Indian Setup FAQ

London System King’s Indian setup basics

What is the London System King’s Indian setup?

The London System King’s Indian setup is White’s Bf4 London structure against Black’s ...Nf6, ...g6, ...Bg7, ...d6 and castled king. The key strategic difference from the QGD setup is that Black’s g7 bishop changes the value of White’s light-squared bishop and makes Be2 more natural than Bd3. Study the KID setup start diagram to fix the exact Be2 and h3 move order.

What is the basic move order for the London System against the King’s Indian setup?

A clean move order is 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3. This reaches the core structure before Black commits to either ...c5, ...e5, ...b6 or ...Nbd7. Review the KID setup start diagram to memorise the safe move-order skeleton.

Why does White play Be2 instead of Bd3?

White often plays Be2 because Black’s fianchetto bishop on g7 reduces the attacking value of a bishop on d3. On d3 the bishop can point into a solid kingside shell, while on e2 it supports castling and keeps h3, c4 and e4 plans flexible. Compare the KID setup start diagram with the ...e5 break diagram to see why Be2 keeps White coordinated.

Is the London System King’s Indian setup the same as the King’s Indian Defence?

No, the London System King’s Indian setup is a London System branch played against King’s Indian-style development by Black. The ECO overlap around A48 and E61 comes from Black’s ...Nf6, ...g6 and ...Bg7 structure, not from White playing a main-line King’s Indian with c4 and e4 early. Use the Replay Lab’s A48 and E61 groups to see the difference in real games.

What is Black trying to do with ...g6 and ...Bg7?

Black uses ...g6 and ...Bg7 to control the long diagonal and prepare flexible breaks with ...c5 or ...e5. The g7 bishop becomes especially important if White closes the centre or leaves d4 under pressure. Open the ...b6 and ...Bb7 diagram to see how Black combines diagonal pressure with central play.

Is the London System good against the King’s Indian setup?

Yes, the London System is playable against the King’s Indian setup when White understands Be2, h3, c3 or c4, and the timing of e4 or c5. The structure is solid, but passive London autopilot can let Black equalise with ...c5, ...e5 or ...b6. Run the KID Setup Adviser to choose the right structure before selecting a replay.

Move-order choices for White

Should White play h3 in this line?

Yes, h3 is useful because it gives the Bf4 bishop a retreat to h2 and reduces annoying ...Nh5 ideas. The h3 move also supports a calmer kingside setup when Black prepares ...e5, ...c5 or ...Qb6. Use the KID setup start diagram to connect h3 with the bishop retreat square.

Should White play c3 or c4 against the King’s Indian setup?

White should choose c3 for a compact London centre and c4 for a more active Réti or Queen’s Pawn structure. The c3 plan protects d4, while c4 challenges Black’s centre but allows more open long-diagonal play for the g7 bishop. Use the KID Setup Adviser with the centre selector to decide between c3 and c4.

When should White play Nbd2?

White plays Nbd2 when they want to support e4, meet ...Qb6 calmly, and keep the centre reinforced. Nbd2 also avoids committing the knight to c3 too early, which matters when Black’s g7 bishop and ...c5 pressure the d4 point. Review the Be6 after Nbd2 diagram to see the knight’s defensive role.

When should White play Nc3?

White plays Nc3 when they are ready for a more active centre with c4 or e4 ideas rather than a pure c3 London shell. Against the fianchetto, Nc3 can be active but may also expose d4 if Black strikes with ...c5 or ...e5 at the right moment. Compare the ...b6 and ...Bb7 diagram with the White c5 break diagram to judge when Nc3 helps.

Should White play Bh2 after ...Bd6 or ...Nh5?

White often retreats to h2 when the Bf4 bishop is challenged and the bishop still supports the diagonal from h2. The h2 bishop can look quiet, but it becomes important after e4, c4-c5 or kingside tension opens lines. Watch Kamsky vs Smirin in the Replay Lab to see the h2 bishop become relevant later.

Can White play Qb3 against ...Qb6?

Yes, Qb3 is a practical way to neutralise ...Qb6 pressure and invite a queen trade or a stable b-file structure. The drawback is that early queen movement can cost time if Black gains activity with ...c5, ...Be6 or ...Nbd7. Study the Qb3 trade-off diagram to see exactly what White gains and what White spends.

Black counters and pressure points

What is Black’s ...c5 idea against the London King’s Indian setup?

Black’s ...c5 attacks d4 and tries to make White prove the London centre before White is fully developed. This is one of Black’s most important tests because it combines centre pressure with possible ...Qb6 pressure on b2. Open the ...c5 and ...Qb6 diagram to track both threats together.

Why is ...Qb6 annoying for White?

...Qb6 is annoying because it attacks b2 after White’s bishop has left c1 and no longer protects that pawn. The queen pressure can force White into Nbd2, Qb3, Rb1 or c3 decisions before White’s ideal setup is complete. Use the ...c5 and ...Qb6 diagram to locate the b2 pressure immediately.

Can Black take the b2-pawn with ...Qxb2?

Black can sometimes take b2, but in many London King’s Indian positions it is tactically risky. The common punishment is Nc4, Rb1, or c3 gaining tempi against the queen while White develops. Use the Qb3 trade-off diagram before loading Jussupow vs Topalov in the Replay Lab.

What is Black’s ...e5 break?

Black’s ...e5 break challenges d4 and tries to open central play before White completes the London bind. The break is strongest when supported by ...Nbd7, ...Re8 or piece pressure from the g7 bishop. Study the ...e5 break diagram to see the central clash before choosing a replay.

What is Black’s ...b6 and ...Bb7 plan?

Black’s ...b6 and ...Bb7 plan adds a second bishop to the long-diagonal strategy and fights for e4 and d5. This structure often resembles a reversed Réti where Black waits for the right central break. Use the ...b6 and ...Bb7 diagram to see how both bishops point into White’s centre.

Why does Black sometimes play ...Nfd7?

Black sometimes plays ...Nfd7 to prepare ...e5 directly and keep the f-pawn available for kingside expansion. The manoeuvre can look slow, but it supports a fast central strike when White develops too routinely. Load Alterman vs Avrukh in the Replay Lab to see the ...Nfd7 and ...e5 plan.

What is Black’s best plan if White plays too passively?

Black’s best plan is to hit the centre with ...e5 or ...c5 and then use the g7 bishop and open files. Passive c3 London play can give Black time to equalise or seize the initiative with ...f5, ...b5 or central exchanges. Run the KID Setup Adviser with problem set to passive structure to choose the right correction.

White plans and attacking chances

What is White’s main plan against the King’s Indian setup?

White’s main plan is to build safely with Bf4, e3, Be2, h3, O-O and then choose c3, c4, e4 or c5 depending on Black’s break. The plan succeeds when White treats the London as a flexible structure rather than a fixed seven-move script. Use the KID Setup Adviser to match the plan to ...c5, ...e5 or ...b6.

When should White play e4?

White should play e4 when the centre is prepared and Black cannot exploit the d4 square or the g7 diagonal. The e4 break is powerful only if White’s pieces support the centre and the bishop on f4 or h2 remains useful. Compare the ...e5 break diagram with the White c5 break diagram before choosing e4.

When should White play c4?

White should play c4 when they want to challenge Black’s centre and avoid a cramped c3 London shell. The c4 plan often changes the game into a reversed Réti or Queen’s Pawn structure where timing matters more than memorisation. Use the ...b6 and ...Bb7 diagram to study the c4 structure.

When should White play c5?

White should play c5 when Black’s centre and pieces are vulnerable to queenside space and file pressure. The c5 break is especially thematic when White has rerouted pieces toward b5, c4 or the open files. Study the White c5 break diagram to see the exact moment from the Kamsky vs Smirin structure.

How does White use the b-file or c-file?

White uses the b-file or c-file after ...c5, ...Qb6, queen trades, or queenside pawn tension opens lines. The file pressure often decides whether White’s extra space becomes active or just decorative. Watch Macieja vs McShane in the Replay Lab to follow the queenside file battle.

How can White avoid becoming too slow?

White avoids becoming too slow by choosing a central plan before Black completes ...e5, ...c5, ...b6 and ...Bb7 harmoniously. The London structure is solid but can drift if every move only protects a square without creating a threat. Use the KID Setup Adviser with study time set to 10 minutes for a quick anti-autopilot route.

What is White’s biggest mistake in this setup?

White’s biggest mistake is copying the standard London setup without adjusting to Black’s fianchetto bishop. The bishop on g7 changes the value of Bd3, c3, c4, e4 and the timing of Nbd2. Start with the KID setup start diagram and then compare the ...e5 break diagram.

Replay Lab guidance

Which replay should I watch first?

Start with Jussupow vs Topalov because it shows the core ...c5, ...Qb6 and ...Be6 pressure against the London King’s Indian setup. That game is a clean model of why Black should not always grab b2 and why White must still prove the centre. Choose Jussupow vs Topalov in the Replay Lab first.

Which replay shows a White win against ...c5?

Macieja vs Polgar and Macieja vs McShane both show White handling ...c5 structures with active queenside and central play. These games demonstrate that White can meet the fianchetto with space gains rather than passive defence. Open the ...c5 replay group in the Replay Lab to compare both Macieja games.

Which replay shows Black’s ...e5 plan working?

Alterman vs Avrukh and Ivanchuk vs Caruana show Black’s ...e5-based pressure becoming dangerous. The common thread is that Black activates the g7 bishop and central pawns before White’s London setup becomes active. Use the ...e5 and kingside pressure replay group to study the warning signs.

Which replay is best for White’s c5 break?

Kamsky vs Smirin is the best supplied replay for White’s c5 break because White eventually uses queenside pressure to challenge Black’s setup. The game shows why the h2 bishop can become active after the centre and queenside open. Study the White c5 break diagram and then load Kamsky vs Smirin in the Replay Lab.

Which replay is best for Black players?

Jussupow vs Topalov, Ehlvest vs Leko, Alterman vs Avrukh, Grachev vs Aronian and Morozevich vs Grischuk are useful Black-model replays. They show different Black routes: ...Qb6 pressure, ...e5, ...b6, ...f5 and queenside counterplay. Use the Black counterplay optgroups in the Replay Lab to compare the plans.

Which replay is best for White players?

Macieja vs Polgar, Macieja vs McShane, Kamsky vs Smirin, Grachev vs Tkachiev, Grachev vs Karjakin and Grachev vs Vachier-Lagrave are useful White-model replays. They show how White can use c4, c5, queenside space, piece activity and tactical pressure against the fianchetto. Use the White-result optgroups in the Replay Lab to build a practical repertoire path.

Should I study every replay on this page?

No, study one ...c5/...Qb6 game, one ...e5 game, one ...b6/...Bb7 game and one White c5-break game first. This gives the main structure map without overwhelming your memory with too many move orders. Use the Replay Lab optgroups as a four-game study path.

Practical repertoire choices

Is this setup good for rapid and blitz?

Yes, the London King’s Indian setup is good for rapid and blitz when White knows the main Black breaks. The practical danger is that Black’s ...c5, ...Qb6 or ...e5 can punish automatic development quickly. Use the KID Setup Adviser before games to choose your anti-break plan.

Is this setup too passive for White?

The setup is not automatically passive, but it becomes passive if White never chooses c4, e4, c5 or queenside expansion. London structures need a trigger move because solidity alone does not challenge Black’s fianchetto plan. Use the White c5 break diagram to see an active version of the setup.

Should beginners play this against the King’s Indian setup?

Beginners can play it if they learn the Be2 setup and the two main Black breaks, ...c5 and ...e5. The memory load is lower than many main-line King’s Indian systems, but the centre still needs active decisions. Start with the KID setup start diagram and the ...c5 and ...Qb6 diagram.

What should Black study against this London setup?

Black should study ...c5 with ...Qb6, ...e5 with ...Nbd7 or ...Re8, and ...b6 with ...Bb7. These three plans challenge the London centre from different angles and prevent White from playing a quiet setup for free. Use the KID Setup Adviser with side set to Black to pick the right replay group.

What should White study after this page?

White should next study the anti-...c5/...Qb6 page, the early Bf4 page and the main-line London page. Those branches share the same Bf4 foundation but solve different Black setups. Use the Branch Map to move from this King’s Indian setup into the related London pages.

How should I train this page in one session?

Train one diagram, one adviser recommendation and one replay group in a single session. That loop connects the move order, the strategic choice and the model-game proof before the details blur together. Begin with the KID Setup Adviser and then load the recommended Replay Lab game.

What is the fastest way to learn this London branch?

The fastest way is to memorise 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3, then compare ...c5, ...Qb6, ...e5 and ...b6. This covers the main branches without forcing you to learn every A48 and E61 transposition at once. Use the seven diagram grid first, then play through Jussupow vs Topalov in the Replay Lab.

Next step

Use this page as the dedicated London vs King’s Indian setup lab. Start with Be2 and h3, then compare ...c5/...Qb6, ...e5, ...b6/...Bb7 and White c5-break model games in the Replay Lab.

Want to connect this opening with wider opening principles?

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