How to Beat the London System
The setup that plays itself — and the reason so many club players stop improving.
The main line
The London System begins 1.d4 and 2.Bf4. Here is the position after the opening moves, and the moves themselves — play through them on a board before you read the plans, because everything below refers back to this structure.
| 1. | d4 | d5 |
| 2. | Bf4 |
The moves, one at a time
- White d4 — grabs a second central square and supports a knight coming to f3 or c3
- Black d5 — the mirror image, contesting the centre with a pawn rather than from a distance
- White Bf4 — gets the bishop outside the pawn chain before e3 shuts it in
The idea in one paragraph
You cannot refute the London, and trying to is how people lose to it. What you can do is take away its comfort: deny the Ne5 clamp, question the bishop early, and make White think on move six instead of move sixteen.
The four antidotes
You do not need to refute the London System. You need a plan you understand better than your opponent understands his. Any one of these four is enough.
Hit b2 with …Qb6 early
The London's one structural concession is that the bishop leaves b2 undefended. …Qb6 is the single most annoying move in the position and it comes with tempo.
Play …c5 before …Nf6
Move order is your weapon too. …c5 first means White cannot get the comfortable c3 pyramid without conceding something, and it prevents the smooth setup the system relies on.
Chase the bishop with …Nh5
Trading the f4 bishop removes the London's best piece and its main attacking idea. White gets the half-open h-file in return, so do this when your king is going queenside or staying in the middle.
Take the e5 square away
…Nbd7 and …Bd6 contest e5 directly. Once White cannot plant the knight there, the London becomes a very ordinary d4 opening with a slightly misplaced bishop.
The pawn structure
A pyramid: pawns on d4, e3, c3 with the bishop outside the chain on f4. Solid, flexible, and almost impossible to refute directly.
Structure outlasts everything else in the opening. Pieces get traded and plans change, but the pawns decide which squares exist and which do not — and that is what you are really choosing when you choose an opening.
Mistakes that lose games
Do not fianchetto without a plan for h4
…g6 setups walk straight into the h4–h5 attack. If you fianchetto, be ready to meet h4 with …h5 immediately, or choose a different structure.
Do not let White get in Ne5 and f4 unopposed
That is the whole system working. Once the clamp is established, Black is playing for a draw. Contest e5 in the first eight moves or not at all.
…Bf5 too early can misfire
Developing the bishop outside the chain is natural, but it can run into Qb3 hitting b7 and d5 at once. Cover b7 first, usually with …Qc8 or …b6.
A game worth studying
Kamsky's London games from 2010 onward — the modern demonstration that the system is a serious weapon, not a beginner's crutch.
The other side of this opening
This page is written for the player facing the London System. For the opposite view — the plans, the traps and the structures from the other side of the board — read How to play the London System.
Practise it on a live board
Reading an opening guide gets you about a third of the way. The rest comes from playing the structure until the plans are automatic. The Grandmaster Gains Academy has 197 interactive lessons and a full engine, and you can play the London System against it right now, free, in your browser.
Play the London System against the engine
Free, in the browser, no sign-up. Then have every move rated afterwards so you can see exactly where the plan went wrong.
♔ Play free nowRelated openings
- How to play the Queen's Gambit
- How to beat the Queen's Gambit
- How to play the King's Indian Defense
- How to beat the King's Indian Defense
- How to play the Dutch Defense
- How to beat the Dutch Defense
Teaching this opening?
Coaches use Grandmaster Gains to set positions, track which students actually practise, and show parents a rating that means something. See the trainer classroom or book private coaching.
Common questions
How do I beat the London System?
You cannot refute the London, and trying to is how people lose to it. What you can do is take away its comfort: deny the Ne5 clamp, question the bishop early, and make White think on move six instead of move sixteen. The four antidotes on this page each work on their own — pick the one that suits how you like to play rather than trying to learn all four.
Is the London System hard to play against?
It is hard to play against without a plan and straightforward with one. What you can do is take away its comfort: deny the Ne5 clamp, question the bishop early, and make White think on move six instead of move sixteen.
What is the biggest mistake when facing the London System?
Do not fianchetto without a plan for h4. …g6 setups walk straight into the h4–h5 attack. If you fianchetto, be ready to meet h4 with …h5 immediately, or choose a different structure.
Do I need to memorise variations to beat the London System?
No. Understanding the pawn structure — a pyramid: pawns on d4, e3, c3 with the bishop outside the chain on f4 — tells you what to aim for in every position the opening produces, which is worth more than twenty memorised moves.