Tree path 8 levels Queen's Pawn Game › Indian Defense › Knights Variation › East Indian Defense › London System › London System › London System › with Bd3
London System, with Bd3
Overview
London System, with Bd3 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.
Play reaches this position via 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3, after 9 plies of opening development.
The line refines London System, which traces back to the root opening Queen's Pawn Game.
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
- 9
- Parent
- London System
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
777,699 games · White 43.3% / Draw 4.7% / Black 52.1%
| Moves | Games | W / D / B |
|---|---|---|
| O-O | 504,364 | |
| Nbd7 | 81,519 | |
| Bg4 | 46,541 | |
| Nh5 | 38,739 | |
| Nc6 | 35,223 | |
| c6 | 18,695 | |
| b6 | 13,707 | |
| c5 | 12,404 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:57:48
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