Tree path 5 levels Queen's Pawn Game › Indian Defense › Knights Variation › East Indian Defense › London System
- Chess Codex
- Queen's Pawn Game A40
- Indian Defense A45
- Knights Variation A46
- East Indian Defense A48
- London System A48 you are here
London System
Overview
London System is a specific line in the Flank Openings family (ECO A48), arising from a recognised theoretical position.
The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.
It begins with 5 plies and takes 1. d4 Nf6 2. Nf3 g6 3. Bf4 to reach the canonical position.
The line refines East Indian Defense, which traces back to the root opening Queen's Pawn Game.
It continues primarily into one named line, London System.
Together the deeper variations number 6 across the full subtree.
Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.
- ECO code
- A48
- Group
- Flank Openings (A)
- Plies
- 5
- Parent
- East Indian Defense
- Direct variations
- 1
- Total in subtree
- 6
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
3,952,886 games · White 47.8% / Draw 5.7% / Black 46.5%
| Moves | Games | W / D / B |
|---|---|---|
| Bg7 | 3,413,985 | |
| d6 | 292,703 | |
| d5 | 152,951 | |
| c5 | 56,209 | |
| Nh5 | 9,331 | |
| c6 | 9,099 | |
| b6 | 5,698 | |
| e6 | 4,265 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:04:43
Write a description
Markdown supported (headings ###, bold, lists, links).
Submissions are reviewed before publishing.