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 variation within the Flank Openings family, indexed as ECO A14.

The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.

The line arises from 10 plies — specifically the moves 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 c5.

It is a variation of English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3, 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
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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