London System Transposition
Transposing to London System setups via the Réti move order, combining flexible development.
ECO Code
A04-A09
Difficulty
Intermediate
Style
Positional/Flexible
Strategic Ideas for White
- Move order flexibility: Reach London structures through Réti transposition
- Diagonal pressure: Bb2 controls key central squares
- Delayed d4: Play d4 when most favorable for White
- Universal setup: Same formation works against various Black setups
- Solid development: Complete development without weaknesses
- Central control: Eventually establish d4-e3 pawn center
Transposition Patterns
Classic London
Transposes directly to London System with improved move order.
English Formation
Combines London bishop with English Opening pawn structure.
Catalan Connection
Unique setup combining London bishop with Catalan fianchetto.
Move Order Benefits
By reaching London System structures through 1.Nf3, White avoids some of Black's prepared responses to 1.d4. The early Bb2 can be particularly effective, and White maintains the option to transpose to various systems based on Black's setup. This approach combines the solidity of the London with the flexibility of the Réti.
Key Strategic Themes
For White
- Flexible timing: Choose the best moment for d4 advance
- Bishop activity: Bb2 provides lasting diagonal pressure
- Development advantage: Nf3 already optimally placed
- Central preparation: Prepare d4 with proper support
- System knowledge: Apply London System plans when achieved
For Black
- Central occupation: Establish central presence early
- Bishop awareness: Be mindful of the b2 bishop's influence
- Active development: Develop pieces to optimal squares
- Pawn structure: Choose optimal pawn formation
- Preparation: Prepare for eventual London structures
Main Variations
Bf4 Setup
Achieving classic London with both light and dark squared bishops active.
Central Control
Central tension with both sides fighting for control.
Quiet Development
Patient development maintaining maximum flexibility.
Common Mistakes
For White: Don't delay d4 too long. The London needs central presence to be effective.
For Black: Don't ignore the diagonal pressure. Address the Bb2 influence appropriately.
Tactical Themes
Common Patterns:
- Diagonal pressure: Bb2 creates long-term positional pressure
- Central control: d4-e3 formation supports piece activity
- Bishop coordination: Bb2 and Bf4 working together
- Pawn structure: Favorable endgame pawn structures
Famous Games
Gelfand vs. Anand
Demonstrated the practical value of move order flexibility.
Adams vs. Kramnik
Classic example of London System technique via improved move order.
Related Systems
Master the London System Transposition
Learn this clever move order that combines Réti flexibility with London System solidity.
Back to Réti Opening Explore King's Indian Attack