Main Setup vs QGD
1.d4 d5 2.Nf3 Nf6 3.Bf4 3...e6 4.e3 Bd6 5.Bg3
Classical setup. White trades bishops with Bg3-Bxd6 or keeps them for a kingside attack. Solid and easy to play.
For White· ECO D02· beginner
Sistema Londres
Um esquema universal contra todas as defesas pretas: pouca teoria, planos repetíveis, arma moderna de Carlsen.
1.d4 d5 2.Nf3 Nf6 3.Bf4
What is the Sistema Londres?
O Sistema Londres começa 1.d4 (normalmente seguido de 2.Cf3 e 3.Bf4) e propõe uma estrutura idêntica contra quase todas as defesas pretas. O bispo das casas pretas sai para f4 antes de e3, evitando o problema clássico do bispo bloqueado atrás do peão. Desenvolvimento: Bf4, e3, c3, Cbd2, Bd3, O-O. Por ser um sistema baseado em esquemas (estrutura em vez de teoria), é a abertura preferida dos jogadores de 1.d4 com pouco tempo de estudo. Carlsen empregou-o várias vezes em Campeonatos do Mundo, validação ao mais alto nível.
Main variations
Each variation below comes with a diagram and the main plan. Click "Train this opening" to drill every line with spaced repetition.
London vs King's Indian
1.d4 d5 2.Nf3 Nf6 3.Bf4 3...g6 4.e3 Bg7 5.Be2 O-O 6.O-O
Against fianchetto setups, White plays for c4 and b4 queenside expansion. Avoid theoretical King's Indian battles entirely.
London with Ne5 plan
1.d4 d5 2.Nf3 Nf6 3.Bf4 3...e6 4.e3 Bd6 5.Bg3 O-O 6.Nbd2 c5 7.c3 Nc6 8.Bd3 Ne4 9.O-O
The aggressive London plan. Place a knight on e5 (supported by f4 or c4), aim at h7 with Bd3, and launch a kingside attack.
Common traps
Watch the trap unfold on the board, or step through move by move. These are patterns you can punish in your own games.
The ...Qb6 problem
When Black attacks b2 with Qb6, offer the queen trade with Qb3. The resulting endgame is only marginally better for White, but the simplification neutralizes Black's counterplay.
1.d4 d5 2.Nf3 Nf6 3.Bf4 e6 4.e3 Bd6 5.Bg3 Bxg3 6.hxg3 Nbd7 7.c3 Qb6 8.Qb3
0/13
Start position
How deep should you study this?
Below 1000
The London System is ideal for beginners. Just remember: 1.d4, 2.Nf3, 3.Bf4, then e3, c3, Bd3, Nbd2, castle. The setup is the same almost every game.
1000–1500
Learn the Ne5 plan (place a knight on e5 supported by f4 or c4). It's your main attacking idea and wins many games at club level.
1500+
Study the Qb3 reply to ...Qb6. Learn c4 setups against King's Indian structures. For sharper play, consider the Jobava London (2.Nc3).
Frequently asked questions
Is the London System boring?
No. The middlegames are rich with attacking ideas (Ne5, Bxh7+, kingside pawn storms). The opening is solid, but the ensuing games can be as sharp as any other 1.d4 system. Carlsen's World Championship London games prove it has real bite.
Is the London good for beginners?
Yes, one of the best opening choices for beginners and busy players. Minimal theory, consistent setup against most Black defenses, and clear strategic goals. You'll focus on tactics and endgames while your opening runs on autopilot.
Does the London work against everything?
Against most mainstream defenses, yes. It works well against the Queen's Gambit Declined, Slav, King's Indian, Grünfeld, and Benoni. The main exceptions: the Dutch Defense (1...f5) requires some adjustment, and the Benko Gambit needs a different approach.
What is the London's biggest weakness?
Objectively, the London gives Black easy equality with precise play. At the top level, well-prepared Black players can neutralize White's small edge. The London's strength is practical, not theoretical. Perfect for club players, less ideal for 2500+ classical games.
Who plays the London System at the top level?
Carlsen (including in World Championship games), Ding Liren, Richard Rapport, and many others. The London has become a mainstream elite opening in rapid/blitz and even classical games since 2015.
Related openings
For Black
Gambito da Dama Recusado
A defesa mais sólida e mais jogada contra 1.d4, estratégia clássica no seu melhor.
For White
Gambito da Dama Aceite
Aceitar o peão de c4 e libertar o bispo das casas claras: defesa activa a 1.d4.
For Black
Defesa Índia do Rei
A arma cortante de Fischer e Kasparov contra 1.d4: contra-ataque assimétrico com fianqueto e ...e5.
Deep dive
Read our full Sistema Londres guide →
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