Tree path 4 levels English Opening › Agincourt Defense › English Opening: Agincourt Defense › English Opening: Symmetrical, Hedgehog, Flexible Formation
- Chess Codex
- English Opening A10
- Agincourt Defense A13
- English Opening: Agincourt Defense A13
- English Opening: Symmetrical, Hedgehog, Flexible Formation A30 you are here
English Opening: Symmetrical, Hedgehog, Flexible Formation
Overview
English Opening: Symmetrical, Hedgehog, Flexible Formation is a variation within the Flank Openings family, indexed as ECO A30.
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. c4 e6 2. Nf3 c5 3. Nc3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7, after 20 plies of opening development.
It is a variation of English Opening: Agincourt Defense, which itself descends from the root opening English Opening.
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
- A30
- Group
- Flank Openings (A)
- Plies
- 20
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
4,560 games · White 45.7% / Draw 11.1% / Black 43.3%
| Moves | Games | W / D / B |
|---|---|---|
| Bb2 | 1,679 | |
| Ba3 | 1,331 | |
| e4 | 1,228 | |
| Ng5 | 161 | |
| Bg5 | 53 | |
| h3 | 20 | |
| Qf4 | 17 | |
| Qd2 | 12 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:47:49
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