Tree path 6 levels Queen's Pawn Game › Indian Defense › Knights Variation › East Indian Defense › London System › London System
- Chess Codex
- Queen's Pawn Game A40
- Indian Defense A45
- Knights Variation A46
- East Indian Defense A48
- London System A48
- London System A48 you are here
London System
Overview
London System is a variation within the Flank Openings family, indexed as ECO A48.
The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.
It is reached after 7 plies of play, with the move sequence 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3.
It is a variation of London System, which itself descends from the root opening Queen's Pawn Game.
It continues primarily into one named line, London System.
In total, the branch covers 5 sub-variations across all depths.
Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.
- ECO code
- A48
- Group
- Flank Openings (A)
- Plies
- 7
- Parent
- London System
- Direct variations
- 1
- Total in subtree
- 5
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
3,867,664 games · White 47.3% / Draw 5.7% / Black 47.0%
| Moves | Games | W / D / B |
|---|---|---|
| O-O | 2,051,094 | |
| d6 | 1,316,288 | |
| d5 | 211,373 | |
| c5 | 84,551 | |
| Nh5 | 68,749 | |
| b6 | 38,909 | |
| c6 | 23,963 | |
| e6 | 19,427 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:31:39
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