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B32

Sicilian Defense: Open

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Overview

Sicilian Defense: Open is a named branch in the Semi-Open Games group of chess theory, classified under ECO B32.

The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.

It begins with 7 plies and takes 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 to reach the canonical position.

In the opening tree, this line branches off from Sicilian Defense: Open, part of the broader King's Pawn Game system.

7 distinct sub-variations branch from this opening; prominent examples include Sicilian Defense: Accelerated Dragon, Sicilian Defense: Flohr Variation, Sicilian Defense: Godiva Variation, and others.

Counted recursively, this branch covers 50 sub-variations at all depths.

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: B32
Group: Semi-Open Games (B)
Plies: 7
Parent: Sicilian Defense: Open
Direct variations: 7
Total in subtree: 50

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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Variations (7)

Show all 50 sub-variations (full subtree)