Chess Codex
Tree path 5 levels English Opening › King's English Variation › Reversed Sicilian › English Opening: King's English Variation, Two Knights Variation › English Opening: Carls-Bremen System
  1. Chess Codex
  2. English Opening A10
  3. King's English Variation A20
  4. Reversed Sicilian A21
  5. English Opening: King's English Variation, Two Knights Variation A22
  6. English Opening: Carls-Bremen System A22 you are here
A22

English Opening: Carls-Bremen System

Open in Lichess
Share: X Reddit Telegram Facebook
Play from here → Click pieces to play, or use ← / → arrows.

Overview

English Opening: Carls-Bremen System is a specific line in the Flank Openings family (ECO A22), 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 5 plies of play, with the move sequence 1. c4 e5 2. Nc3 Nf6 3. g3.

The line refines English Opening: King's English Variation, Two Knights Variation, which traces back to the root opening English Opening.

The line has 6 documented children — English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be7, English Opening: King's English Variation, Two Knights Variation, Fianchetto Line, English Opening: King's English Variation, Two Knights Variation, Keres Variation, and others being widely played.

In total, the branch covers 7 sub-variations across all depths.

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

ECO code
A22
Group
Flank Openings (A)
Plies
5
Parent
English Opening: King's English Variation, Two Knights Variation
Direct variations
6
Total in subtree
7

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

3,452,075 games · White 51.3% / Draw 5.2% / Black 43.5%

MovesGamesW / D / B
d5775,990
Bc5608,589
Bb4587,478
c6541,063
Nc6465,199
d6163,855
Be7104,869
g684,692

Source: Lichess Opening Explorer · cached 2026-09-26 00:45:27

Write a description

Markdown supported (headings ###, bold, lists, links). Submissions are reviewed before publishing.

Variations (6)

Related variations at the same level

Sister lines that share the same parent English Opening: King's English Variation, Two Knights Variation:

Show all 7 sub-variations (full subtree)

https://chesscodex.org/openings/english-opening-carls-bremen-system