Tree path 8 levels English Opening › Agincourt Defense › English Opening: Agincourt Defense › English Opening: Agincourt Defense › English Opening: Neo-Catalan › English Opening: Neo-Catalan Declined › English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 › English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3
A14

English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3

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Overview

English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 is a specific line in the Flank Openings family (ECO A14), 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 is reached after 10 plies of play, with the move sequence 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 b6.

The line refines English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3, 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
A14
Group
Flank Openings (A)
Plies
10
Parent
English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3

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.

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