The London System – Eric Rosen

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80/20 Tactics Multiplier #04

Typical Tactic Ideas in The London System – IM Eric Rosen

The London System Grandmaster Eric Rosen 1200x1200px 3

If you want to really know an opening, you should be familiar with its typical positional ideas and remember the most important theoretical lines. But this is not enough.

Each opening has its own unique tactical patterns. Patterns you need to know to succeed.

IM Eric Rosen’s course on the essential tactics in the London System gives you a complete understanding of the typical patterns for both sides.

Even if you only play against the London System, knowledge of these resources will prove invaluable.

The London System is a flexible opening which White can use virtually against any of Black’s setups. This makes it the perfect choice for players who prefer to understand key strategic and tactical ideas instead of having to memorize an endless number of theoretical variations.

The aim of this DVD is to give you a high-level understanding of the typical themes of the London System, and really cement this knowledge in your long-term memory with the included practical tests.

About the Author:

Eric Rosen is an International Master born in the USA.

The London System – Im Eric Rosen 80/20 Tactics

Rosen showed interest in the game from a very young age. He learned the rules of the game at age 7 and competed in his first tournament at age 8. By age 9, he won the IL 3rd Grade State Championship.

During the early years of Rosen’s chess career, he studied with Tamara Golovey, a professional chess coach originally from Belarus now living in the Chicago area.

Golovey was a former coach of GM Yury Shulman and World Championship contender GM Boris Gelfand. She provided Rosen with a strong foundational understanding of the game.

Rosen became a National Master in 2009, a FIDE Master in 2011, and an International Master in 2015.

People are Saying:

Eric A. (US)
Verified buyer
3 Apr 2020
“I really enjoyed this course. Eric Rosen’s teaching style, speaking ability and ability to get straight to the point, and teach you exactly what you need is fantastic. I really wish I had a teacher like Rosen years ago, I would have progressed at a much faster rate. As a group, chess players are not renowned for their speaking and personality. The game is a quiet affair and many titled players can be a challenge to learn from, but not Eric Rosen. The content is spot on, and I only wish there are more titles with IM Eric Rosen as the instructor. I would buy an entire suite of titles. I hope he considers producing more titles, I would buy them instantly.”

The London System (Main Moves)

The most common move order in which the London System chess opening arises on the board is 1.d4 Nf6 2.Bf4.

The London System (lemos Deep Dive) – Gm Damian Lemos
The London System (lemos Deep Dive) – Gm Damian Lemos
The London System Opening – Main Variation

In this case, Black has responded to White’s first move 1.d4 with one of the most popular moves, which could lead to very complicated opening positions such as the King’s Indian Defense, Queen’s Indian Defense, Benko Gambit, Budapest Gambit, etc, but White’s second move 2.Bf4 immediately sets the stage for the London System instead.

Another common move order in which White could choose to develop the London System opening is 1.d4 d5 2.Nf3 Nf6 3.Bf4.

The London System – Im Eric Rosen

The London System Opening against 2… d5

This time, Black has responded to White’s first move with …d5, which can lead to some of the main lines of the Queen’s Gambit such as The Slav Defense, The Albin Counter-gambit, etc.

But White’s second and third moves avoid any of those well-known theoretical lines and sets the stage for The London System.

This flexible chess opening is a weapon that you can use against virtually any Black defense and thus comprises a smaller body of opening theory than many other openings.

Is this course for me?

The 80/20 series helps you get the most from your study time by combining learning openings with training tactics.

If you’d like to learn all the typical tactical ideas that can arise from the London System, then IM Eric Rosen has got you covered.

This course is designed to give you the best return on your training time by hitting 3 areas at once:

  • Mastering The London System by observing games from some of the strongest players in the world.
  • Understanding Tactical patterns.
  • Calculation.

Analysing games from Magnus Carlsen, Alexander Grischuk, and Hikaru Nakamura will help you dominate all the concepts and possibilities of the system by just observing how the strongest players execute.

Patterns alert you to possibilities, calculation makes them a reality. Rosen will show you how to make analysis easy with techniques like “reversing the move order”, “doing it anyway” and “weak point overload”.

Enjoy this awesome lesson with the young expert Eric Rosen!


Special offer
: get this and the rest of the volumes in the 80/20 Chess Tactics Multiplier series for only $79.95. That’s 69% OFF! Only for a limited time.

Additional information

Running Time

8 hours



Type of Video

Opening Name


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Chapter List

  • Introduction: About this course
  • Part 1: Lessons in the London System (2 h)
    1. London System: Magnus style! (Carlsen – Bosiocic)
    2. Grischuk crushes the King’s Indian (Grischuk – Khusnutdinov)
    3. Organizing your attack (Rosen – NN)
    4. Nakamura beats the London in 11 moves (Bareev – Nakamura)
    5. Studying new variations with an engine (Stockfish – Rosen)
    6. The best line against the London (Juan Carlos Gonzalez Zamora – Viktor Laznicka)
    7. Countering the “best line”
    8. Setting up a devastating attack (Rosen – Do)
    9. Playing the London in bullet (Rosen – NN)
  • Part 2: Tactics Explained (6 h)
    1. Didn’t see that coming…
    2. Most famous London tactic
    3. Crazy novelty
    4. Simple and venomous Nc3
    5. Positional and tactical chess combined
    6. Activity over material
    7. Identifying targets
    8. Knockout punch
    9. Kingside destruction
    10. Capitalizing on the awkward queen
    11. Punishing greed
    12. Common trap
    13. Double attack (piece targets)
    14. Double attack (pawn targets)
    15. Attacking the uncastled king
    16. Leveraging the open h-file
    17. Most common London trap
    18. Punishing black’s weaknesses
    19. Restricting the opponent
    20. Pin and win
    21. Poison pawn
    22. Rubinstein plays the London!
    23. Simple oversight
    24. Sacrificing to rip open the castled king
    25. Forcing moves
    26. Tactics for positional purposes
    27. Taking down the King’s Indian setup
    28. White blunders on move 4
    29. Cruel and unusual tactic
    30. Concrete calculation
    31. Unusually strong positional idea
    32. Capitalizing on an awkward setup
    33. Aronian’s awesome attack
    34. Super GM destroys a master with creative play
    35. Positional bind leads to tactical massacre
    36. Beating an IM in 9 moves with epic queen sac
    37. Look for the counterattack!
    38. Black should have castled sooner
    39. Unstoppable threat
    40. Double piece sac to mate
    41. Don’t mess with Naroditsky
    42. Overwhelming attack
    43. Unexpected intermezzo
    44. GM crushes 2100 in a positional masterpiece
    45. The power of alignment
    46. Super GM Gelfand falls into deep prep
    47. Aronian’s creative miniature win over Nepomniachti
    48. Grandmaster makes quick work of amateur
    49. Breaking through a locked position
    50. Grandmaster brutally attacks 1800
  • Conclusion


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The London System - Eric Rosen

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