Tree path 3 levels English Opening › Agincourt Defense › English Opening: Anglo-Indian Defense, Queen's Indian Formation
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  2. English Opening A10
  3. Agincourt Defense A13
  4. English Opening: Anglo-Indian Defense, Queen's Indian Formation A17 you are here
A17

English Opening: Anglo-Indian Defense, Queen's Indian Formation

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Overview

English Opening: Anglo-Indian Defense, Queen's Indian Formation is a named branch in the Flank Openings group of chess theory, classified under ECO A17.

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 6 plies — specifically the moves 1. c4 e6 2. Nc3 Nf6 3. Nf3 b6.

In the opening tree, this line branches off from English Opening: Agincourt Defense, part of the broader English Opening system.

It continues primarily into one named line, English Opening: Anglo-Indian Defense, Queen's Indian Variation.

Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.

ECO code
A17
Group
Flank Openings (A)
Plies
6
Parent
English Opening: Agincourt Defense
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

96,695 games · White 50.0% / Draw 6.1% / Black 43.8%

MovesGamesW / D / B
g342,757
d421,391
e416,284
e38,791
d33,559
a31,832
b31,328
Qc2453

Source: Lichess Opening Explorer · cached 2026-09-26 00:44:30

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Variations (1)