What is the idea behind the London System?

Solid and reliable — same setup against anything. In practice that means: Build the same setup (Nf3, d4, Bf4, e3, Bd3) regardless of Black's replies; Place the bishop outside the pawn chain on f4 before playing e3; Time the e4 central break when Black's pieces are committed.

Is the London System good for beginners?

Yes — it is rated Beginner here, which means the moves follow from a handful of ideas rather than from memorised theory.

What are the plans after the London System?

White: Time the e4 central break once development is complete. Black: Keep the pressure on d4 with the already-established central tension, completing development.

All chess openings

London System

D02 · Played as white · Beginner · White Systems

Solid and reliable — same setup against anything

Also known as London, Bf4 system, Jobava London.

The main line

1.d4 d5 2.Nf3 Nf6 3.Bf4 e6 4.e3 Bd6 5.Bg3 O-O 6.Bd3 Bxg3 7.hxg3 c5 8.c3 Nc6 9.Nbd2 Qc7

Strategic ideas

Build the same setup (Nf3, d4, Bf4, e3, Bd3) regardless of Black's replies
Place the bishop outside the pawn chain on f4 before playing e3
Time the e4 central break when Black's pieces are committed
Advance against queenside castlers with a direct kingside attack
Use the London's predictability as a psychological advantage in blitz and rapid

Key themes

Solid — The London's set-up is virtually unbreakable in the opening — White never faces an immediate crisis
Positional — White builds up slowly and methodically, relying on piece coordination rather than forcing lines
Flexible — The same setup works against virtually any Black response, requiring minimal preparation

Typical plans

White plays Nf3, d4, Bf4, e3, and Bd3 regardless of what Black does, building a reliable and theory-free setup. The long-term plan is to advance e4 at the right moment to seize central space and activate all pieces. Against queenside castlers, White can launch a direct kingside attack. The London's main strength is its predictability and resistance to preparation.

Move by move

d4 — White claims the centre.
d5 — Black meets it symmetrically.
Nf3 — White develops before committing the bishop.
Nf6 — Black develops symmetrically.
Bf4 — White develops the bishop outside the pawn chain first — the defining London move, played regardless of Black's setup.
e6 — Black prepares to develop the kingside and free the f8-bishop.
e3 — White supports d4 and prepares to develop the f1-bishop, completing the reliable London structure.
Bd6 — Black develops actively, challenging White's f4-bishop and preparing to castle.
Bg3 — White preserves the bishop from a future …Bxf4 trade, tucking it onto a safe diagonal.
O-O — Black castles, ready to contest the centre with …c5 while White completes development with Bd3 and prepares e4.
Bd3 — White challenges the bishop that just took on g3, preparing to recapture toward the centre.
Bxg3 — Black trades the dark-squared bishops rather than retreat and concede the tempo.
hxg3 — White recaptures toward the kingside, doubling pawns but opening the h-file for a future rook lift or attack.
c5 — Black stakes a claim in the centre, questioning White's d4 pawn.
c3 — White supports d4 and keeps the structure solid before completing development.
Nc6 — Black develops naturally, adding pressure to the centre.
Nbd2 — White brings the last minor piece into play, preparing e4 or c3-based central play.
Qc7 — Black centralises the queen, eyeing the h2-square down the long diagonal and preparing …e5 or …b6.

Where the line leads

White's plans

Time the e4 central break once development is complete
Use the half-open h-file for a rook lift once the king finds safety
Since Black has castled kingside, build up slowly (Qc2, Rae1) rather than force matters

Black's plans

Keep the pressure on d4 with the already-established central tension, completing development
Target White's doubled g-pawns as a long-term structural weakness
Look for …e5 breaks once pieces are well coordinated

London System FAQ

What are the moves of the London System?: The London System (D02) runs 1.d4 d5 2.Nf3 Nf6 3.Bf4 e6 4.e3 Bd6 5.Bg3 O-O 6.Bd3 Bxg3 7.hxg3 c5 8.c3 Nc6 9.Nbd2 Qc7. It is played from White's side of the board.
What is the idea behind the London System?: Solid and reliable — same setup against anything. In practice that means: Build the same setup (Nf3, d4, Bf4, e3, Bd3) regardless of Black's replies; Place the bishop outside the pawn chain on f4 before playing e3; Time the e4 central break when Black's pieces are committed.
Is the London System good for beginners?: Yes — it is rated Beginner here, which means the moves follow from a handful of ideas rather than from memorised theory.
What are the plans after the London System?: White: Time the e4 central break once development is complete. Black: Keep the pressure on d4 with the already-established central tension, completing development.