Questions tagged [london-system]

Opening system that begins with the moves 1.d4 and 2.Bf4 (white) or 2.Nf3 & 3.Bf4 (black).

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In the London, after 1.d4 d5 2.Bf4 c5 3.dxc5 Nc6 4.Nf3, why is "blocking your bishop" the best move

In this situation: [FEN ""] [StartFlipped "1"] [StartPly "7"] 1.d4 d5 2.Bf4 c5 3.dxc5 Nc6 4.Nf3 Stockfish 16 really does not value getting the bishop out (Bg4 and Bf5 ...
FluidMechanics Potential Flows's user avatar
6 votes
3 answers
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Why is move 12 a blunder for both sides?

I have trouble understanding why move 12 for both sides was such a blunder? Evaluation went roughly from -1 to -6 and back to -1.3. The engine suggests 12... Ne4. I understand that e4 is a good ...
lanskey's user avatar
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1 answer
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What's the positional threat in this opening of the London?

In a London system course, when explaining the following line, the author mentions that with 4.Ne5 "White is creating a big positional threat of Nxg4." [FEN ""] 1.d4 d5 2.Nf3 Nf6 3....
antonro's user avatar
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0 votes
2 answers
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London system move order nuances Qb6 without Nc6

In the London system, playing early Nd2 is recommended to react against Qb6. For example if we take this move order [FEN ""] 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 Qb6 6....
cmgchess's user avatar
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8 votes
2 answers
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I can play the London system exclusively up to what rating?

There are many GMs who sometimes play the London system, but none of them play it exclusively. By "exclusively" I mean play it in over 99% of my games when I'm White, I mean adopting the ...
Fate's user avatar
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4 votes
1 answer
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London system plan against Qxb6 when white has time to go a3 and Rc1 getting out of pin

In the London system where white doesn't develop the b1 knight early the Qxb6 followed by a3 is considered a mistake due to the following sequence [FEN ""] 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. ...
cmgchess's user avatar
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6 votes
1 answer
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What are the cases in which is good to take Qb3 in "London System'sSH" setups and why

I know that the main idea against London System is to play Qb6 to attack the b2 pawn which is unprotected due to the early Bf4 white plays (generally) at move 2. Normally white reacts to the threat ...
ela's user avatar
  • 275
0 votes
2 answers
202 views

What are the White plans in this "copycat" line in the Jobava London?

In the last round of last month's 4th EJCOA IM Norm tournament this interesting game was played. White plays the Jobava London and Black plays the "copycat" line with 4...Bf5. Black then ...
Brian Towers's user avatar
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3 votes
1 answer
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Literature on Accelerated London system

I (beginner) have been trying to shift from Philidor Defense (I still play it for Black) to the Accelerated London System for Blitz and Rapid. For eg: [FEN ""] 1. d4 d5 2. Bf4 Nc6 3. e3 Nf6 ...
insipidintegrator's user avatar
5 votes
2 answers
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How do you deal with Black's light-squared bishop when it's out of the pawn chain and not exchanged in the London?

I usually have problems with the light-squared bishop when Black takes it out of the pawn chain and doesn't exchange it, but instead either protects it with the e-pawn: rn1qkb1r/ppp2ppp/4pn2/3p1b2/...
antonro's user avatar
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2 votes
3 answers
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How to deal with Black's dark-squared bishop on d6 in the London system

I have problems when black places his bishop on d6 in the London. Take for instance the following game: r1bq1rk1/p2n1ppp/2n1p3/1p1pP3/2p5/2P1P1B1/PPBN1PPP/R2QK2R w KQ - 1 12 1. d4 d5 2. Bf4 { D00 ...
antonro's user avatar
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1 answer
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Playing f6 against a London

I have a question about playing f6 into a London system, it is said to be a good move here: and i understand it, you threaten e5 which is annoying for white. But why is it not a good move here: ...
FluidMechanics Potential Flows's user avatar
2 votes
1 answer
88 views

Poison Qb2 and prerequisites for Vaganian

What does black achieve with 1.d4 c6? Contributor mentions 1. d4 c6 2. Bf4 Qb6. Database shows few such openings, all responding 3.b3 with white winning no matches. Should white offer Qxb2 poison? ...
Cookie Rojas's user avatar
6 votes
2 answers
950 views

London system move order

The standard London System consists of the setup moves: d4, Bf4, e3, Nf3, Nbd2, c3, Bd3. I'm wondering about the nuances of what the most accurate move order is to play it in. Here are some of my ...
James Ko's user avatar
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8 votes
2 answers
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Why is h4 much better than h3?

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 [Event "Rated Rapid game"] [Date "2021.08.09"] [Result "0-1"] [Variant "Standard"] [TimeControl &...
maxmitz's user avatar
  • 675
13 votes
5 answers
3k views

Why are side pawns better than center pawns in this position?

So center pawns are usually regarded as more powerful than side pawns, which is why I have a question about this position. After 1. d4 d5 2. Bf4 c5 the engine and theory recommend playing 3. e3 to ...
Fanny Raymond's user avatar
-2 votes
2 answers
627 views

Is the London system a good chess opening for beginners?

Is the London System opening is a good opening to invest on for getting deep on its variation for a beginner player (rank 1000-1100)? actually I heard it's a boring and systemical opening and for ...
ᴀʀᴍᴀɴ's user avatar
5 votes
3 answers
149 views

Carlsen - Ghaem, why does Black want to do e5?

I am watching videos about the London system, and one example they use is this game. [Title "Carlsen-Ghaem, Baku 2016"] [FEN ""] 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 c5 ...
antonro's user avatar
  • 629
20 votes
7 answers
23k views

Why does the London System have the reputation it has?

After being out of chess for many years, I became interested again. While I never studied in my earlier playing days, I always played e4 openings when white. That was partly due to that being ...
GreenMatt's user avatar
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10 votes
3 answers
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Is there a horizontally mirrored London System, and what is it called?

London System is an opening for white, that goes d4, Bf4, e3, Nf3, Nd2, c3. The move order generally doesn't matter too much and there are lots of ways to transpose into this. However, what I want to ...
DrZ214's user avatar
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3 votes
4 answers
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Meeting d4-d6 from White's perspective

How do you meet d4-d6 when your opponent doesn’t play the Old Indian, and the setup is d6-Nbd7-e5, which is Pirc territory? [fen ""] 1. d4 d6 2. null Nd7 3. null e5 When this happens, can I play ...
user2545476's user avatar
16 votes
4 answers
27k views

Can black play the London system?

After 1. d4 d5 2. c4 c6 3. Nf3, Black usually plays Nf6 or e6 (which blocks his light-square bishop) and I wonder if it is possible for him to adopt the ideas from the London System and play Bf5 ...
Zuriel's user avatar
  • 9,073
11 votes
3 answers
2k views

Why is c4 bad when playing the London against a King's Indian?

Recently I (rated ~1900 "classical" on Lichess) played the following opening: 1.d4 Nf6 2.Bf4 g6 3.e3 Bg7 4.Nf3 O-O 5.Nbd2 d6 6.c4 [FEN "rnbq1rk1/ppp1ppbp/3p1np1/8/2PP1B2/4PN2/PP1N1PPP/R2QKB1R w KQ - ...
aquirdturtle's user avatar
3 votes
2 answers
3k views

Traps in the Jobava Attack

Are there any known early tactical traps in the so-called Jobava Attack (1.d4 d5 2.Nc3 Nf6 3.Bf4) for both sides? Leaving out the Barry Attack (early g6 by Black).
A. N. Other's user avatar
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On the Mason Attack

What are the main points, tactical or otherwise, backing up the Mason Attack? I got the idea reading about the London System, but the Lichess engine calls it "Mason Attack". It starts out as follows: ...
rubik's user avatar
  • 163
7 votes
1 answer
5k views

How to reply to an early c5 in the London System?

I've played the London System for about 3 months and am liking it alot, however I have run across several games where Black played a weird, but good, move early in the opening, c5. example: 1. d4 d5 ...
TMcSquared's user avatar
6 votes
3 answers
2k views

London System with Nc3 -- what's the idea?

Recently top GMs are playing a London system type setup with Nc3 before c4. I can't imagine they are going for cheap tricks with Nb5, but I am not seeing a valid positional idea behind the move ...
Ywapom's user avatar
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3 votes
2 answers
741 views

Can you recommend a dynamic, concrete, or easy-to-play line against the London System?

I hate playing against the London because it allows 800 FIDE rated players to survive for 50+ moves. By the way, I play the Grunfeld against d4, the Sicilian Najdorf against e4, and the triangle ...
Sorin Solberg's user avatar
6 votes
6 answers
1k views

The London System

I'm rated on Chess.com in 1400 right now (elo). But sometimes my rating fluctuates between 1200 to 1500. As I searched on internet, I'm a beginner that is going to the intermediate level. Should I, as ...
Rebeca Linskii's user avatar
5 votes
2 answers
2k views

London System as White: exchange of the light-squared bishops

The following is a position that frequently arises in my games when I play the London System as White: [FEN ""] 1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 At this point I am unable to place my light-squared ...
Marcus Junius Brutus's user avatar
4 votes
2 answers
347 views

How to play against bad bishop outside pawn chain

I'm trying to understand general principles and common themes on how to play against a bad bishop outside of the pawn chain. In particular, I'm talking about the less sharp variations of the london ...
Flowers's user avatar
  • 183
6 votes
3 answers
2k views

Knight to h5 in the london system

In the London system, white wants to keep their dark squared bishop, Therefore after say 1. d4 d5 2. Nf3 Nf6 3. Bf4, black can play 3...Nh5, doesn't it break white's position? [FEN ""] 1. d4 d5 2. ...
user7355's user avatar
5 votes
3 answers
5k views

London System: how to defeat copying moves?

I played the London system for the first time today and encountered a problem in my second game (I won my first). [fen "rn1qkb1r/ppp1pppp/5n2/3p1b2/3P1B2/5N2/PPP1PPPP/RN1QKB1R w KQkq - 4 4"] What is ...
Ryan Cobourn's user avatar
1 vote
3 answers
2k views

Battling the London System

I seem to have fairly good success against the London system and the Colle using the Queen's Indian defense. Has there been any games at the Senior master level where the Queen's Indian has been used?
Gyr_man's user avatar
  • 19
35 votes
18 answers
45k views

The London System: Can it be broken?

I've faced the London System several times so far, and just don't know what strategy to adapt against it (I exclusively play Nf6 in response to 1.d4). I'm a highly tactical player, so I try following ...
chubbycantorset's user avatar