Sicilian Defense: Closed

Starting Position
Evaluation
0.00
Depth
0
Best Line
Engine initializing...
Initializing Logs...

Opening Overview: Sicilian Defense: Closed

Transposition: This position is structurally identical to the Sicilian, Closed.

By playing Nc3, the player enters the Sicilian Defense: Closed, a system within the Sicilian Defense complex. Departing from the popular Sicilian Defense (Qg4), this line chooses Nc3. It succeeds by sacrificing popularity for a statistically stronger weapon. This move exerts pressure on e4 and d5.

Critical Concepts

  • Control the long diagonal to exert lasting pressure.
  • Feature: Fianchetto

From here, play often proceeds with Nc6 or g6, leading into the Sicilian Defense. Data analysis shows a 42% win rate for White, indicating White advantage.

Also known as: Sicilian: Closed, Sicilian Defense: Closed Variation, Sicilian Defense, Closed Variation

Stockfish Analysis of Sicilian Defense: Closed:
+0.79 Slight Advantage (White)
Click "Start Analysis" for depth 20+

Similar Variations

Technical Details for Sicilian Defense: Closed

  • ECO Code: B23
  • Est. Win Rate: W: 42% / B: 27%
  • Moves: 5
  • Aliases: Sicilian: Closed, Sicilian Defense: Closed Variation, Sicilian Defense, Closed Variation, Closed; Chigorin Variation, Sicilian; B23, Sicilian: closed, Closed; Chigorin Variation, Sicilian; B23
View all Sicilian Defense

The World's Strongest Free Online Chess Engine

ChessEngine.ai is the ultimate resource for players seeking a free chess analysis board. Powered by Stockfish 16 NNUE.

Instant Move Calculator

Get immediate feedback on your games.

Mobile Stockfish

Access on any device without downloads.