Tree path 6 levels English Opening › King's English Variation › Reversed Sicilian › English Opening: King's English Variation, Two Knights Variation › English Opening: King's English Variation, Four Knights Variation › Korchnoi Line
A28

English Opening: King's English Variation, Four Knights Variation, Korchnoi Line

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Overview

English Opening: King's English Variation, Four Knights Variation, Korchnoi Line is a named branch in the Flank Openings group of chess theory, classified under ECO A28.

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

Play reaches this position via 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3, after 7 plies of opening development.

In the opening tree, this line branches off from English Opening: King's English Variation, Four Knights Variation, part of the broader English Opening system.

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
A28
Group
Flank Openings (A)
Plies
7
Parent
English Opening: King's English Variation, Four Knights Variation

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

80,632 games · White 52.2% / Draw 5.9% / Black 41.9%

MovesGamesW / D / B
d527,421
a513,949
Bc510,367
d66,722
Be76,319
a64,735
e44,256
g64,155

Source: Lichess Opening Explorer · cached 2026-09-26 00:46:47

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