Closed Games/1.d4 d5/D02 / A46 / A48/You play White

London System

One setup against almost anything. The lowest-theory way to play 1.d4 well.

Coachedanswers the move you actually played

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Variations2 of 4

Main Line vs ...e6: The Ne5 AttackFoundation10 moves·156 master games London vs the King's Indian SetupStructureWhen Black fianchettoes, the London switches gears: White grabs the centre with c4 and plays a Queen's-Gambit-style game.10 moves·10,491 master games London vs the ...c5 ChallengePlans10 moves Deep dive: the main line to move seventeenPlans17 moves·156 master games

36%26%38%

10,491 master games after 4.Nf3· White 36%· Draw 26%· Black 38%

1.2.3.4.5.6.7.8.9.10.

StartBefore the first move

The starting position. White moves first, and that single tempo is the whole reason opening theory exists.

The moves in the text are buttons. Press one and the board beside it shows the position.

The idea in one paragraph

White plays the same first five or six moves regardless of what Black does: , then Bd3 (and often Nbd2, h3, O-O). The bishop gets outside the pawn chain before e3 locks it in. That is the single most important move-order point in the whole system. The result is a solid, flexible position with no weaknesses, from which White plays either Ne5 with a kingside attack or a slow queenside expansion.

The pawn structure

White's pawns on d4, e3 and c3 form a small pyramid that is extremely hard to attack. The dark-squared bishop sits outside on f4 or g3 controlling the b8–h2 diagonal, which runs at c7 and d6 and not at Black's king. The king is hit from the other diagonal, by the bishop on d3, and the attacking machine is built around that one square: Ne5 held by the d4-pawn, the d2-knight ready to replace it from f3, f2–f4 behind it, Bd3 aimed at h7 and the queen taking whichever of f3, g3 and h4 the bishops have left free.

The plans

♔ White’s plans

Plant a knight on e5, hold it with the d4-pawn, keep the d2-knight ready to replace it from f3, add f2–f4, and attack h7 with the d3-bishop and the queen.
Trade the dark-squared bishops on d6, or let Black trade on g3 and recapture with the h-pawn ( ) so the h-file opens toward the king Black has just castled next to.
Queenside expansion with a4 and Nd2–b3–c5, especially when Black castles kingside and commits to ...c5.
The Jobava version, : Nc3 instead of Nbd2, with Nb5 and e3–e4 ideas and a much sharper game.

♚ Black’s plans

Hit d4 immediately ( ) and follow with ...Qb6 pressuring b2. This is the sharpest test of the system.
Play ...Bd6 to trade off White's good bishop, then ...Qxd6 and ...e5: .
Set up a King's Indian structure and break with ...e5: .
Develop the c8-bishop early, before ...e6, as in . It is the mirror image of White's own idea.

Traps and things that lose games

Trap 1

, before Bf4, shuts the bishop in behind its own pawn chain. It is not a losing move, it is simply not the London any more, and Black takes the good diagonal first with .

Trap 2

...Qb6 has two different answers and they are not interchangeable. Before c3 has been played ( ), the move is , offering b2, and is close to winning. After c3 ( ), Nc3 is not even legal and the pawn may not be offered: defends, and leaves Black better.

Trap 3

is a real trap and not a beginner's move. and the bishop has nowhere to go that keeps it: is the best version, and it is still bad: three pawns for the bishop, level on the scoresheet and about a pawn worse on the board. Answer with or and the whole thing evaporates.

Trap 4

...Nh5 hits the f4-bishop and no move prevents it, as in . The engine's answer is ; and both cost about a quarter of a pawn and are perfectly playable. What you must not do is ignore it. Letting the knight take on f4 with leaves you with doubled f-pawns and no bishop to show for them.

Play this if you want to spend your study time on middlegames and endgames instead of opening theory. It is genuinely sound, and the game archives say so: Gata Kamsky has over a thousand games with the Bf4 setup as White, running from 1988 to today, and Magnus Carlsen close to two hundred.

Your learning path: London System

Beginner → Grandmaster

The London gets you a good position with almost no memorisation. The catch is that the middlegames are entirely up to you.

FoundationDay one
Goal. Learn the setup and, above all, the move order.
- The setup: d4, Bf4, e3, Nf3, c3, Bd3, Nbd2, h3, O-O. Nine moves, playable against almost anything.
- The one rule that matters: Bf4 before e3. Every bad London starts by locking the bishop in.
- Why the knight goes to d2 and not c3: the c-pawn must stay on c3 supporting d4.
DrillPlay the nine-move setup in fifty blitz games. It should take you under a minute total.
Common mistakePlaying on autopilot into a bad version. If Black plays an early ...c5 and ...Qb6, you must respond, not continue the routine.
Move on whenYou can reach the full setup against 1...d5, 1...Nf6 and 1...e6 without thinking.
StructureWeeks two to four
Goal. Recognise which of three middlegames you have landed in.
- Type 1: Black plays ...e6 and ...Bd6, so you decline the bishop trade with Bg3, play Ne5 and attack the kingside.
- Type 2: Black fianchettoes, so you switch plans entirely, play c4 and treat it as a Queen's Gambit.
- Type 3: Black plays ...c5 and ...Qb6 hitting b2. You need a concrete answer, and which one depends entirely on whether you have played c3 yet.
DrillWrite down both answers to ...Qb6 (Nc3 before c3 is played, Qb3 after it) and memorise which is which. It is the only real theory the London requires.
Common mistakeLearning one answer to ...Qb6 and using it in both positions. Offering b2 with a knight is strong before c3 and simply loses a pawn after it; defending with Qb3 is the answer after c3 and is not even a legal move before it, because your own pawn is still standing on c2.
Move on whenYou can name which of the three types you are in by move six.
PlansMonths two to four
Goal. Turn the solid position into an attack.
- The attacking machine: Ne5 held by the d4-pawn with Nd2 ready to replace it from f3, f2–f4 behind it, Bd3 on the b1–h7 diagonal, and the queen taking whichever of f3, g3 and h4 is free. The bishop on g3 blocks more of the third rank than people expect.
- The trade-on-d6 plan: swap dark-squared bishops, then use the dark squares and the c-file.
- The queenside plan: b4, a4, Nb3–c5 when Black castles kingside and commits to ...c5.
DrillStudy the Bxh7+ and Bxh6 sacrifice patterns until you can calculate them in ten seconds. The London produces them constantly.
Common mistakePlaying solidly forever. The London is not a draw machine. If you never attack, strong opponents simply equalise and outplay you.
Move on whenYou have won a game with the Qf3–h3 build-up.
MasteryOngoing
Goal. Add sharpness and cover the anti-London systems.
- The Jobava London (2.Nc3 and 3.Bf4) for a much sharper version with e4 ideas.
- The lines where Black plays an early ...Bf5 or ...Bg4, mirroring your own idea.
- Endgames with the c3–d4–e3 structure: they are drawish unless you create an outside passer, so learn to create one.
DrillPlay the Jobava version for a month and compare your results. Many players find it suits them better.
Common mistakeBelieving the London is 'safe'. It is sound, which is different: the safety has to come from your play.
Move on whenYou have two versions of the system and choose between them by opponent.

Whose games to study

Gata Kamsky brought the London back to elite level and has never stopped: over a thousand games with it in the archives, spanning nearly forty years. Magnus Carlsen has close to two hundred, including the model game on this page. For the sharp version, the variation is named after Baadur Jobava for a reason.

What to learn after this

When you want more, learn the Queen's Gambit properly. The London will still be there as a low-preparation option for fast time controls.