Tree path 3 levels King's Pawn Game › Sicilian Defense › Closed
- Chess Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Closed B23 you are here
Sicilian Defense: Closed
Overview
Sicilian Defense: Closed is a named branch in the Semi-Open Games group of chess theory, classified under ECO B23.
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.
Play reaches this position via 1. e4 c5 2. Nc3, after 3 plies of opening development.
In the opening tree, this line branches off from Sicilian Defense, part of the broader King's Pawn Game system.
4 named variations grow from this line, including Sicilian Defense: Closed, Carlsen Variation, Traditional, and others.
In total, the branch covers 21 sub-variations across 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
- B23
- Group
- Semi-Open Games (B)
- Plies
- 3
- Parent
- Sicilian Defense
- Direct variations
- 4
- Total in subtree
- 21
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.
Statistics from Lichess
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Source: Lichess Opening Explorer · cached
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Variations (4)
Show all 21 sub-variations (full subtree)
- B23 Sicilian Defense: Closed 4-ply
- B23 Carlsen Variation 9-ply
- B23 Traditional 4-ply
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Stockholm Attack 27-ply
- B23 Sicilian Defense: Closed 5-ply
- B23 Sicilian Defense: Closed, Chameleon Variation 5-ply
- B24 Sicilian Defense: Closed, Fianchetto Variation 5-ply
- B23 Sicilian Defense: Closed, Grob Attack 5-ply
- B23 Sicilian Defense: Closed, Portland Attack 7-ply
- B23 Sicilian Defense: Grand Prix Attack 5-ply
- B24 Sicilian Defense: Closed 6-ply
- B23 Korchnoi Defense 6-ply
- B23 Schofman Variation 11-ply
- B24 Sicilian Defense: Closed 8-ply
- B25 Sicilian Defense: Closed 10-ply
- B24 Smyslov Variation 13-ply
- B25 Sicilian Defense: Closed 11-ply
- B26 Sicilian Defense: Closed 11-ply
- B25 Botvinnik Defense, with Nge2 12-ply
- B25 Botvinnik Defense, with f4 12-ply
- B25 Sicilian Defense: Closed, Botvinnik Defense, Edge Variation 14-ply