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A40

English Defense

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Overview

English Defense is a specific line in the Flank Openings family (ECO A40), 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.

The line arises from 2 plies — specifically the moves 1. d4 b6.

The line is a first-level refinement of Queen's Pawn Game.

It continues primarily into one named line, Eastbourne Gambit.

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

ECO code
A40
Group
Flank Openings (A)
Plies
2
Parent
Queen's Pawn Game
Direct variations
1

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

11,362,859 games · White 50.8% / Draw 4.4% / Black 44.7%

MovesGamesW / D / B
c43,939,155
e42,035,059
Nf31,779,903
Bf41,695,050
e3766,503
Nc3428,543
Bg5177,446
c3131,997

Source: Lichess Opening Explorer · cached 2026-09-26 00:48:58

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Variations (1)