Tree path 2 levels Grob Opening › London Defense
- Chess Codex
- Grob Opening A00
- London Defense A00 you are here
Grob Opening: London Defense
Overview
Grob Opening: London Defense is a named branch in the Flank Openings group of chess theory, classified under ECO A00.
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 4 plies and takes 1. g4 e5 2. h3 Nc6 to reach the canonical position.
It branches immediately from Grob Opening in the opening tree.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- A00
- Group
- Flank Openings (A)
- Plies
- 4
- Parent
- Grob Opening
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
12,275 games · White 48.0% / Draw 4.4% / Black 47.6%
| Moves | Games | W / D / B |
|---|---|---|
| Bg2 | 9,770 | |
| d3 | 569 | |
| a3 | 379 | |
| e3 | 325 | |
| e4 | 239 | |
| Nf3 | 216 | |
| c3 | 138 | |
| b3 | 137 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:27:14
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