London System

The setup

The first moves are simple. White plays d4, develops the bishop with Bf4 before playing e3, and follows with Nf3, c3, Nbd2 and Bd3. The order matters, because the bishop has to come out before the pawn on e3 locks the diagonal.

The most common full setup, against a Black player who builds the same kind of position, runs 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg3 O-O 6. Nbd2 c5 7. c3 Nc6 8. Bd3. White has a compact pawn pyramid on c3, d4 and e3, a bishop on g3 that is safe from pawn attacks, and a knight heading to e5. The pieces are placed for a long game with a plan on the kingside.

Why it scores well

The table is computed from the public Lichess database and sums the family called the London System and the lines named London System inside the Queen's Pawn Game. White's score is the share of points White took, counting a win as 1 and a draw as one half.

The table sums 14,922 rated Blitz, Rapid and Classical games on Lichess played on 1 September 2026 between players within 100 rating points of each other, banded by the lower rating. White scored 53.1% (plus or minus 0.8 points) overall. A score counts a win as 1 and a draw as one half. One day of games is a sample, so read small gaps between bands as noise.

White scores above half the points in every band, from 54.3 percent under 1200 to 52.2 percent above 2000, and the edge shrinks as rating rises, which is the usual pattern for a solid opening. It is not a crushing weapon. Its value is that you reach a position you understand in every game, with less theory to memorize than the main lines of the Queen's Gambit.

The plans for White

White has three standard plans, and they are connected.

• Control e5. A knight on e5, supported by the f3 or d4 pawn, cramps Black and prepares attacks on the kingside. Black has to trade it or accept a space disadvantage.
• Attack with the bishops. The bishop on d3 and the bishop on g3 point at h7 and the kingside diagonal. If Black castles, a knight on e5 and a queen on h5 or f3 make real threats.
• Break with c4 or e4. When Black's setup allows it, White opens the center with c4 or e4. This is the most advanced plan and needs care, because opening the center asks the bishop on g3 to prove its value.

How Black fights it

The London has a known weakness. When the bishop goes to f4, the b2 pawn is protected only by the queen, and Black's queen can attack it by ...Qb6 after ...c5. White must be ready for that.

Good Black players use three ideas. First, they play ...c5 early to strike at the center. Second, they develop the c8 bishop outside the pawn chain, to f5 or g4, before playing ...e6. Third, they use a knight on h5 to attack the bishop on f4, so White has to be ready with Bg3 or Bg5. Against a London that is not prepared, ...c5 followed by ...Qb6 is the most direct way to take the initiative.

The same setup against a fianchetto

Black does not have to play ...d5. Against a Black player who answers 1.d4 Nf6 with ...g6 and ...Bg7, White uses the same pieces but with a slightly different order. The small move h3 gives the bishop a retreat on h2 if Black's knight goes to h5, and the knight on d2 prepares e4.

In this structure the plan is to play e4 when it is safe, then castle and bring the queen to e2 or c2. If Black's knight goes to h5, the bishop can retreat to h2, or to g3, where Black can take it and gain the bishop pair while White recaptures with the f-pawn and half-opens the f-file. The key habit is to play e4 only after the knights are developed, because the push loosens the position and asks the center pawns to hold.

Three typical mistakes

1. Dropping the b2 pawn. Once the bishop has left c1, only the queen guards b2. A White player who plays Nf3 and Nbd2 and ignores ...c5 and ...Qb6 can lose the pawn or a tempo. The simple fix is to play c3 early, or to answer ...Qb6 with Qb3 or Qc1.
2. Playing the bishop to g3 and forgetting it. The bishop on g3 is safe, but it is also far from the action. White should use it to support Ne5 and the h-pawn, not leave it as a spectator.
3. Copying the setup against every move. The London is a system, but Black's replies are not all the same. When Black plays ...c5 and ...Qb6, or hits the bishop with ...Nh5, be willing to change the move order and play Qb3, Bg3 or h3 as the position requires.

Two model games

Both games show the London bishop on f4 against a Black knight on f6. White wins the first game and loses the second, so the setup is sound but not automatic. Both are real games from public events, published on Lichess broadcasts.

Lichess names the opening the Indian Defense: Accelerated London System, and the game began 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 e6 5. Nbd2 Qb6. The first move that Lichess's computer analysis marks as a mistake is Black's 36...Kh7, where it prefers Rd2+. White won in 40 moves.

Lichess names the opening the Queen's Pawn Game: London System, and the game began 1. d4 Nf6 2. Nf3 d5 3. Bf4 g6 4. e3 Bg7 5. Be2 O-O. The first move that Lichess's computer analysis marks as a mistake is Black's 36...a5, where it prefers e5. Black won in 53 moves.

How to learn the London

Start with the pawn structure and the squares for the pieces. Learn why the bishop goes out first, why the pawn goes to e3, why the knights land on f3 and d2. Then play thirty games with the same setup. After each game ask where you wanted to deviate and why.

A common practical question is whether the London is too passive for improving players. It is not, provided you learn the three pawn breaks. The London teaches a way to play against an isolated pawn, a way to play with a bishop pair and a way to attack with a knight on e5. Those skills move to every opening. A coach can look at your own games and show you which of the three breaks you are missing. See the packages below.