Chess Codex
Tree path 5 levels English Opening › Agincourt Defense › English Opening: Agincourt Defense › English Opening: Agincourt Defense › Catalan Defense
  1. Chess Codex
  2. English Opening A10
  3. Agincourt Defense A13
  4. English Opening: Agincourt Defense A13
  5. English Opening: Agincourt Defense A13
  6. Catalan Defense A13 you are here
A13

English Opening: Agincourt Defense, Catalan Defense

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Overview

English Opening: Agincourt Defense, Catalan Defense is a specific line in the Flank Openings family (ECO A13), 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. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O, after 9 plies of opening development.

The line refines English Opening: Agincourt Defense, which traces back to the root opening English Opening.

Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.

ECO code
A13
Group
Flank Openings (A)
Plies
9
Parent
English Opening: Agincourt Defense

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

Statistics from Lichess

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Description

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Related variations at the same level

Sister lines that share the same parent English Opening: Agincourt Defense:

https://test.av-webdevs.com/openings/english-opening-agincourt-defense-catalan-defense-2