Chess Codex
Tree path 2 levels Indian Defense: Anti-Nimzo-Indian › Catalan Opening: Closed, Main Line
  1. Chess Codex
  2. Indian Defense: Anti-Nimzo-Indian E10
  3. Catalan Opening: Closed, Main Line E09 you are here
E09

Catalan Opening: Closed, Main Line

Open in Lichess
Share: X Reddit Telegram Facebook
Play from here → Click pieces to play, or use ← / → arrows.

Overview

Catalan Opening: Closed, Main Line is a specific line in the Indian Defenses family (ECO E09), arising from a recognised theoretical position.

The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.

It is reached after 18 plies of play, with the move sequence 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Nbd7.

The line is a first-level refinement of Indian Defense: Anti-Nimzo-Indian.

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

ECO code
E09
Group
Indian Defenses (E)
Plies
18
Parent
Indian Defense: Anti-Nimzo-Indian

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

Loading…

Description

Write a description

Markdown supported (headings ###, bold, lists, links). Submissions are reviewed before publishing.

Related variations at the same level

Sister lines that share the same parent Indian Defense: Anti-Nimzo-Indian:

https://test.av-webdevs.com/openings/catalan-opening-closed-main-line-2