Tree path 4 levels King's Pawn Game › Sicilian Defense › Sicilian Defense › Modern Variations
- Chess Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Sicilian Defense B27
- Modern Variations B50 you are here
Sicilian Defense: Modern Variations
Overview
Sicilian Defense: Modern Variations is a named branch in the Semi-Open Games group of chess theory, classified under ECO B50.
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. Nf3 d6, after 4 plies of opening development.
In the opening tree, this line branches off from Sicilian Defense, part of the broader King's Pawn Game system.
6 distinct sub-variations branch from this opening; prominent examples include Sicilian Defense, Sicilian Defense: Delayed Alapin Variation, with d6, Sicilian Defense: Kopec System, and others.
This is a deep theory tree with 115 total sub-variations across all depths — one of the larger branches in chess theory.
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
- B50
- Group
- Semi-Open Games (B)
- Plies
- 4
- Parent
- Sicilian Defense
- Direct variations
- 6
- Total in subtree
- 115
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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| Moves | Games | W / D / B |
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Source: Lichess Opening Explorer · cached
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Variations (6)
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