Tree path 4 levels English Opening › Anglo-Indian Defense › Queen's Knight Variation › English Opening: Anglo-Indian Defense, Hedgehog System
- Chess Codex
- English Opening A10
- Anglo-Indian Defense A15
- Queen's Knight Variation A16
- English Opening: Anglo-Indian Defense, Hedgehog System A17 you are here
English Opening: Anglo-Indian Defense, Hedgehog System
Overview
English Opening: Anglo-Indian Defense, Hedgehog System is a specific line in the Flank Openings family (ECO A17), 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 4 plies and takes 1. c4 Nf6 2. Nc3 e6 to reach the canonical position.
The line refines English Opening: Anglo-Indian Defense, Queen's Knight Variation, which traces back to the root opening English Opening.
It continues primarily into one named line, English Opening: Anglo-Indian Defense, Nimzo-English.
Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.
- ECO code
- A17
- Group
- Flank Openings (A)
- Plies
- 4
- Direct variations
- 1
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
4,412,148 games · White 50.0% / Draw 5.6% / Black 44.4%
| Moves | Games | W / D / B |
|---|---|---|
| g3 | 1,214,845 | |
| e4 | 1,212,351 | |
| d4 | 801,269 | |
| Nf3 | 606,163 | |
| e3 | 243,229 | |
| d3 | 209,818 | |
| a3 | 56,666 | |
| b3 | 39,711 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:44:24
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