Kingsights Logo
London System report from your own games

London System report from your own games

Don't just play on autopilot. Discover the specific tactical mistakes you make in your London System games.

Free • Instant Analysis • Works with any Chess.com username

Sample Report Preview

Here's what a personalized London System analysis looks like

Sample Report

London System Report

52 GAMESSample Data
Win Rate
58%

Performance vs Other Openings

London System58% Win
Other Openings47% Win

Key Insights

Tactical Patterns
white

You Rarely Miss the Greek Gift Sacrifice on h7

What this means
In 52 London System games, the Bxh7+ sacrifice was available 8 times and you found it in 7. Your tactical awareness in this pattern is well above average. When you execute the sacrifice, you win 86% of the time.
How to improve
Keep looking for Bxh7+ when Black has castled kingside and the knight is on f3 with the queen ready to swing to h5. The classic prerequisites are: bishop on d3, knight on f3, queen accessible to h5, and no Black knight on f6 defending h7. Your recognition of this pattern is a genuine strength — trust your instincts when the position aligns.
#greek-gift#sacrifice#tactics
Strategic Planning
white
High Impact

Middlegame Plans Stall After Move 15 in 40% of Games

What this means
Your London setup is efficient — you reach a comfortable position by move 12 in 85% of games. However, in 21 of 52 games, your play becomes aimless between moves 15-25. You shuffle pieces without a clear plan, allowing Black to equalize. Your win rate in games where you have a clear plan past move 15 is 71% vs 42% when you drift.
How to improve
After completing development, choose one of three plans: (1) Kingside attack with e4-e5 and Qe2-Ne5, (2) Queenside expansion with c4 and b4, (3) Central break with e4 after proper preparation. Decide by move 14 which plan suits the position and commit to it. The London's weakness is that it can become passive — you need a concrete middlegame target.
#middlegame-plans#strategic-play#initiative
Variation Weakness
white
High Impact

Win Rate Drops to 43% Against King's Indian Setups

What this means
When Black plays ...g6 and ...Bg7 against your London, your win rate drops from 58% overall to 43%. The fianchetto bishop neutralizes your dark-squared bishop and Black's counterplay on the long diagonal creates problems. You've lost 8 of 14 games against this setup.
How to improve
Against ...g6 setups, avoid placing your bishop on f4 where it gets challenged by ...Nh5. Instead, consider Bg5 or even a quick e4 to transpose into a more aggressive system. If you stick with Bf4, play h3 early to prevent ...Nh5 and be ready to retreat to h2 if necessary. The key is not letting the g7 bishop dominate the long diagonal.
#kings-indian-setup#dark-bishop#adaptation

Top Variations

1
Standard Setup
28 games
2
Anti-King's Indian
14 games
3
Jobava London
10 games

Enter your Chess.com username to see your personalized report

What we analyze in your London System games

Your setup of the classic 'pyramid' pawn structure

Your utilization of the e5 outpost for knights

Your execution of the Greek Gift sacrifice on h7

Your response when Black challenges the center early with c5

Learn This Opening

Play through the main line move by move

1.pawn to d4 (d4) pawn to d5 (d5)

标准的后前兵开局。白方控制了中心并为将来的行动确立了存在感。

Play pawn to d4 (d4)
Drag a piece or tap to move
1.d4d52.Bf4Nf63.e3e64.Nd2Bd65.Bg3O-O6.Bd3

Key Positions to Know

Critical concepts every London System player should understand

Early Bf4 Development

The London's trademark: developing the dark-squared bishop to f4 before playing e3. This prevents the bishop from being locked inside the pawn chain and gives White a solid, flexible position with clear plans.

The Pyramid Structure

White builds the classic d4-e3-c3 pawn formation, creating an unbreakable central structure. Combined with Nf3, Bd3, and O-O, this setup is easy to achieve and hard to attack. The structure supports a kingside initiative.

The e5 Outpost

White's primary attacking plan: maneuver a knight to e5, supported by the f4 bishop and the pawn on d4. From e5, the knight controls critical squares and often leads to a kingside attack or favorable endgame.

Key Variations

Explore the most important branches and transpositions in the London System.

伦敦对古印度防御阵型

1.d4 Nf6 2.Bf4 g6 3.e3 Bg7 4.Nf3 O-O 5.Be2 d6 6.h3

当黑方采用古印度防御阵型（g6, Bg7）时，白方保持伦敦结构并稍作修改。h3 这步棋防止了 Bg4 牵制马，并准备保留双象。白方通常寻求通过 Nbd2、O-O 和 c4 缓慢集结，旨在控制中心并限制黑方的反击。

伦敦对拒后翼弃兵阵型

1.d4 d5 2.Bf4 Nf6 3.e3 e6 4.Nd2 Bd6 5.Bg3 O-O 6.Bd3 c5 7.c3

针对经典的拒后翼弃兵阵型，白方按照标准的伦敦计划协调出子。在 Bg3（避免交换象）和 Bd3 之后，白方拥有舒适的局面。c3 支持 d4 并准备 Qc2，连接双车。黑方经常走 c5 挑战中心，白方可以用 dxc5 回应或保持张力。

乔巴瓦伦敦布局

1.d4 d5 2.Nc3 Nf6 3.Bf4

一个密切相关的体系，白方走 Nc3 而不是 c3，旨在用 Nb5 施加直接的压力。

加速伦敦（第 2 步走 Bf4）

1.d4 d5 2.Bf4 c5 3.e3 Nc6 4.c3 Nf6 5.Nf3 Bg4 6.Qb3

当黑方立即用 c5 挑战中心时，白方继续伦敦布局，但可能需要采取更具体的应对。Qb3 是一步积极的尝试，同时攻击 b7 和 d5。白方保持灵活性，同时对黑方的阵地施加直接压力。

伦敦对贝诺尼阵型

1.d4 Nf6 2.Bf4 c5 3.d5 d6 4.Nc3 g6 5.e4

对抗贝诺尼式的阵型（c5 和 d6），白方可以保持伦敦结构或转变为更具攻击性的阵型。在 d5 之后，白方可以走 e4，建立类似古印度结构的强大中心兵群。这种方法比典型的伦敦局更有野心，并导致更尖锐的对局。

Opening Statistics

Original research from 337 real amateur games — data you won't find anywhere else.

Avg. Game Length
—awaiting data
Underdog Wins
—awaiting data
Quick Finishes
—awaiting data
Endgame Reach
—awaiting data
White's Edge
+10.0%
Favors BlackEqualFavors White

At 1200-1400

📊White's edge is +10.0% — White has a clear advantage at this level.

How This Opening Changes as You Improve

RatingGamesWhite's Edge
800-100030
-20.0%40 /0 /60
1000-120057
-7.0%46 /0 /53
1200-140070
+10.0%53 /0 /43
1400-160066
+1.5%50 /0 /49
1600-1800114
-1.7%47 /0 /49

Based on 337 games · Updated March 2026

Why Play the London System?

系统而非系列变着

伦敦体系更多的是一种结构而不是一长串需要记忆的变着。一旦你理解了棋子的摆放位置和核心计划，你就可以凭直觉下棋而不是靠死记硬背。

稳固无风险

伦敦体系非常稳固，结构坚实。你不太可能在开局就被击溃，这给了你从容出子的时间，每次都能达到可下的中局局面。

避开主线理论

与后翼弃兵或西班牙开局等理论怪兽不同，伦敦系统绕过了黑方大部分准备好的防御。你的对手必须下出好棋，而不是照搬背好的棋谱，这拉平了竞技场，尤其是在俱乐部水平的对决中。

通吃一切的布局

无论黑方采用古印度防御、拒后翼弃兵、荷兰防御或任何其他开局，你的布局基本保持不变：Bf4、e3、Bd3、Nf3 以及王翼易位。这种一致性使得准备高效且执行直接。

Common Traps

Watch out for these dangerous tactical pitfalls

伦敦局中的学者将杀模式

1.d4 d5 2.Bf4 Nf6 3.e3 Bf5? 4.Bd3 Bxd3? 5.Qxd3 e6? 6.Qb5+

黑方大意地让皇后带将侵入。在 6.Qb5+ 之后，白方赢得了物质，因为黑方必须用 Nc6 或 Nd7 阻挡，然后 7.Qxb7 攻击车。黑方出子应该更小心，也许可以用 c6 在移动白格象之前控制 b5 格子。

早期的马陷阱

1.d4 d5 2.Bf4 Nf6 3.e3 c5 4.c3 Nc6 5.Nd2 Qb6 6.Qb3 c4?? 7.Qc2

过早的 c4 挺进困住了黑方自己的棋子并破坏了兵形结构。c4 的兵变成了一个永久的弱点，并且黑后的位置很尴尬。白方只需继续出子便获得明显的优势。黑方应该保持中心的张力，而不是过早地封闭局面。

c5 上的象失误

1.d4 Nf6 2.Bf4 d5 3.e3 Bf5 4.Bd3 Bxd3 5.Qxd3 e6 6.Nf3 Bd6 7.Bg5 Nbd7 8.Nbd2 c5? 9.dxc5 Bxc5?? 10.Nb3

看似自然的用象吃回走入了一个简单的马叉击。在 10.Nb3 之后，c5 上的象受到攻击必须移动，然后白方走 Nbxc5 赢得 d7 的马。黑方应该改用马吃回 (9...Nxc5)，保持物质均势。

过度延伸的王翼进攻

1.d4 d5 2.Bf4 Nf6 3.e3 c5 4.c3 Nc6 5.Nd2 e6 6.Ngf3 Bd6 7.Bg3 O-O 8.Bd3 Re8 9.Ne5 Nd7?? 10.Qh5

黑方在没有足够补偿的情况下移除了 h7 的防守者。白方的 Qh5 同时威胁着 Qxh7# 和吃 d7。如果 10...Nxe5 11.Bxe5 f6 12.Bg6!，黑方的王翼将崩溃。当白方的 Bg3 和 Bd3 瞄准王翼时，黑方在移开 Nf6 时必须小心。

Beginner Tips

💡

总是在走 e3 之前，在第 2 步或第 3 步把你的象出到 f4——这是关键的出子顺序

💡

遵循系统性的计划：Bf4、e3、Nf3（或先走 Nd2）、Bd3，然后王翼易位

💡

建立你的金字塔结构 (d4-e3-c3) 以提供坚固的中心支撑

💡

不要急于采取进攻性的走法——伦敦局讲究稳固出子和逐渐施压

💡

尽早王翼易位让你的国王处于安全位置，然后考虑在王翼或后翼推进

💡

利用你 e5 上的马作为一个强大的前哨站来限制黑方的阵地并支持进攻

💡

保持耐心——伦敦系统通常会带来微小的优势，你可以将其在稳局或残局中转化

💡

研究典型的中局计划而不是死记硬背棋谱——理解结构比理论更重要

Common London patterns we detect

We automatically check if you fall for these specific traps.

About the London System

The London System is a popular opening system for White where the dark-squared bishop is developed to f4. It is known for being easy to learn, solid, and less reliant on memorizing deep theory lines compared to main line 1. d4 openings.

We look at your "pyramid" pawn structure setup, the control of the e5 outpost, and your kingside attack patterns. We identify if you are playing too passively or missing the classic bishop sacrifice on h7.

Frequently Asked Questions

Common questions about London System analysis

The London System begins with 1. d4 followed by 2. Bf4 — the defining move. White develops the light-squared bishop before playing e3, which would otherwise lock it inside the pawn chain. The standard setup continues 2...Nf6 3. e3 e6 4. Nd2 Bd6 5. Bg3 O-O 6. Bd3, creating a solid, systematic structure. The beauty of the London is that this setup is effective against virtually any Black response.
Move order is critical: 2. Bf4 must come before 3. e3. If White plays e3 first, the light-squared bishop is permanently trapped behind the e3-d4 pawn wall. By getting Bf4 out early, White places the bishop on its most active square, where it controls g5, e5, and the central complex. The bishop on f4 supports the Ne5 outpost, targets h7 in certain lines, and is a key piece in creating kingside pressure.
After d4-e3-c3, White builds a triangle of interlocking pawns known as the 'pyramid'. This structure is extremely solid — it supports the d4 anchor, prevents ...Nd4 jumps, and gives the queen access to b3. Combined with Bd3 pointing at h7 and a knight on e5, the pyramid provides a stable platform for either a kingside attack (Ne5, Qc2-h7) or a minority attack on the queenside (b4-b5). It rarely falls apart under pressure.
The Jobava London (2. Nc3 instead of 2. c3 or 2. Nf3) is an aggressive variant popularised by Georgian GM Baadur Jobava. By developing the knight to c3 early, White immediately threatens Nb5 ideas, applies more central pressure on d5, and avoids the passive c3 setup. Jobava's brilliant attacking game against Mamedyarov at the 2015 European Team Championship demonstrated that the opening can produce sharp, decisive positions rather than drawn-out positional squeezes.
The Bishop Blunder Trap occurs after 1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Bd6 7. Bg5 Nbd7 8. Nbd2 c5? 9. dxc5 Bxc5??. The natural recapture with the bishop is a mistake — after 10. Nb3, the bishop on c5 must move, then White plays Nbxc5 winning the d7 knight. Black must recapture with 9...Nxc5 to keep equality.
In Game 10 of his 2016 World Championship match against Karjakin — a must-win situation — Carlsen chose the London System for a crucial strategic reason: he needed a position he could press in without risking an early draw by repetition. Carlsen ground Karjakin down over 75 moves, demonstrating that the London's gradual pressure can be devastating at the highest level when played by a sufficiently superior endgame technician.

Famous Games

CarlsenvsKarjakin
World Championship 2016 (Game 10)1-0

马格努斯·卡尔森在世界冠军争夺战中处于必须获胜的关键时刻采用了伦敦系统。他展示了如何使用该开局在阵地上慢慢击败对手，在一场 75 回合的马拉松比赛中磨垮了卡尔亚金的防线，保留了他夺冠的希望。

KamskyvsKramnik
Dortmund 19961-0

加塔·卡姆斯基是伦敦系统在精英阶层的早期采用者之一，他用该开局击败了世界冠军克拉姆尼克。这场对局表明，伦敦系统即使在最高水平也能成为一种正规武器，而不仅仅是为了避免理论准备的安全选择。

JobavavsMamedyarov
European Team Championship 20151-0

巴杜尔·乔巴瓦对伦敦系统的积极演绎（包含 Nc3）带来了一场精彩的进攻战。他的创造性方法证明了伦敦局可以通过具体的战术（不仅仅是阵地机动）来争取胜利，启发了一代进攻型伦敦局棋手。

RapportvsAnand
Grenke Chess Classic 20191-0

理查德·拉波尔特使用伦敦系统击败了传奇棋手维斯瓦纳坦·阿南德，证明了该开局对付世界级对手的有效性。这场对局体现了典型的伦敦局主题：坚固的结构、逐渐的集结，并在残局中转化微小的优势。

Learning Resources

video

London System Complete Guide - GothamChess

course

London System: The Complete Guide - GM Simon Williams

book

The London System: A Complete Guide by GM Oscar de Prado

book

London System: Move by Move by GM Cyrus Lakdawala

course

London System Opening Guide - Chess.com

Explore Related Openings

Analyze other openings similar to the London System

Jobava London System

The sharpest London you can play. See if your aggressive Nc3 London delivers.

Analyze Now

Queen's Gambit

Are you actually controlling the center, or just giving up pawns? We scan your real games to find where your QG strategy breaks down.

Analyze Now

Torre Attack

System opening with bite. Discover if your Bg5 pressure delivers wins.

Analyze Now

How valuable was this analysis?

Ready to master your openings?

Get a complete breakdown of your play across all openings, not just the London System.

No credit card required • Works with Chess.com